WO2019044145A1 - 空気処理装置 - Google Patents
空気処理装置 Download PDFInfo
- Publication number
- WO2019044145A1 WO2019044145A1 PCT/JP2018/024390 JP2018024390W WO2019044145A1 WO 2019044145 A1 WO2019044145 A1 WO 2019044145A1 JP 2018024390 W JP2018024390 W JP 2018024390W WO 2019044145 A1 WO2019044145 A1 WO 2019044145A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- air
- camera
- imaging
- casing
- drain pan
- Prior art date
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/32—Responding to malfunctions or emergencies
- F24F11/38—Failure diagnosis
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0071—Indoor units, e.g. fan coil units with means for purifying supplied air
- F24F1/0073—Indoor units, e.g. fan coil units with means for purifying supplied air characterised by the mounting or arrangement of filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/49—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring ensuring correct operation, e.g. by trial operation or configuration checks
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/56—Remote control
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B15/00—Systems controlled by a computer
- G05B15/02—Systems controlled by a computer electric
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/183—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a single remote source
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/20—Casings or covers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/22—Means for preventing condensation or evacuating condensate
- F24F13/222—Means for preventing condensation or evacuating condensate for evacuating condensate
- F24F2013/227—Condensate pipe for drainage of condensate from the evaporator
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/51—Housings
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/54—Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils
Definitions
- the present invention relates to an air treatment device.
- Patent Document 1 discloses a technique for acquiring image data of a predetermined imaging target inside a casing of an air conditioner.
- a camera (imaging device) is installed inside a casing of the indoor unit.
- the camera is provided at a position where an imaging target (for example, a filter) can be imaged.
- the image data of the imaging target imaged by the camera is output to the central monitoring device via the LAN.
- the service provider or the like can grasp the state of the imaging target (for example, clogging of the filter, breakage, installation state, etc.).
- An object of the present disclosure is to propose an air processing device capable of easily installing an imaging device inside a casing.
- the first aspect includes a casing (20) and an imaging device (70) for acquiring image data of a predetermined imaging target (40, 43, 45, 60, 66) located inside the casing (20).
- the main body (20a) of the casing (20) is provided with predetermined components (47, 49), and the imaging device (70) has the imaging target (40, 43, 45, 60, 66).
- the imaging device (70) of the first aspect is attached to a predetermined component (47, 49) via an attachment (52). Since the mounting portion (52) is configured to be removable from the component (47, 49), the mounting operation of the imaging device (70) can be performed easily.
- the mounting portion (52) is A pair of sandwiching members (53) opposed to sandwich the component (47, 49); And a pressing member (55) for pressing the holding member (53) so as to narrow the distance between the pair of holding members (53).
- the sandwiching members (53) are pressed by the pressing member (55).
- the imaging device (70) can be easily attached to the component.
- a wireless communication unit (77) is provided for wirelessly transmitting image data acquired by the imaging device (70) to the outside of the casing (20).
- the image data acquired by the imaging device (70) is transmitted to the outside of the casing (20) by the wireless communication unit (77). For this reason, it is not necessary to lead the wiring for transmitting the image data from the inside to the outside of the casing (20).
- Air treatment device for transmitting image data acquired by the imaging device (70) to the outside of the casing (20) by wire; And a wireless communication unit (77) disposed outside the casing (20) and transmitting the output data of the transmission line (91) to a predetermined receiving unit (80) wirelessly.
- the image data acquired by the imaging device (70) is sent to the outside of the casing (20) through the transmission line (91). Then, the image data is transmitted to the receiving unit (80) by the wireless communication unit (77) outside the casing (20).
- the wireless communication unit (77) is provided inside the casing (20
- transmission of image data from the inside of the casing (20) to the outside may be hindered by the casing (20).
- the image data is wirelessly sent to the receiving unit (80). Therefore, the image data can be reliably sent to the receiving unit (80).
- One end is connected to the imaging device (70), and a wire (56) is provided to the outside of the casing (20); The other end of the wire (56) is provided with a connector (56a) to which an external wire (86) is connected.
- the wiring (56) connected to the imaging device (70) is disposed outside the casing (20), and is connected to the external wiring (86) through the connector (56a). Therefore, the wiring work of the imaging device (70) can be easily performed.
- a sixth aspect is any one of the first to fifth aspects:
- the imaging device (70) is an air processing device characterized by including a wide angle type or fish eye type lens (71).
- the imaging device (70) of the sixth aspect captures an imaging object (40, 43, 45, 60, 66) with a wide-angle or fish-eye lens (71). As a result, the angle of view or imaging range of the imaging device (70) becomes wider.
- the imaging device (70) is an air processing device characterized in that it comprises a lens (71) and a light source (72) positioned behind the lens (71) in the imaging direction.
- the light source (72) since the light source (72) is located behind the lens (71), the light source (72) can be prevented from entering the imaging range of the imaging device (70).
- the imaging target (40, 43, 45, 60, 66) includes at least one of a drain pan (60), a drain, a drain pump (66), a float switch, and a humidifying element (45). Air treatment device.
- an imaging device (70) acquires at least one image data of a drain pan (60), a drain, a drain pump (66), a float switch, and a humidification element (45). Therefore, based on this image data, the dirt in the drain pan (60), the growth of bacteria and mold in the drain pan (60), the dirt and clogging of the drainage port, the failure of the drain pump (66), the humidifying element ( 45) It is possible to confirm the growth, breakage, etc. of dirt, fungus and mold.
- the component is an air processing device characterized in that it is a pipe (47, 49).
- the attachment portion (52) is configured to be detachable from the pipe (47, 49) as a component. That is, the pipes (47, 49) function as parts for supporting the imaging device (70).
- a tenth aspect is any one of the first to ninth aspects: Assuming that the average flow velocity of the blown air blown out from the casing (20) is Va,
- the imaging device (70) is an air processing device characterized in that it is disposed at a position where air of 30% or less of the average flow velocity Va of the blown air flows.
- the flow velocity of the air at the location where the imaging device (70) is disposed is relatively small, it is possible to suppress that dust and the like in the air adhere to the lens of the imaging device (70) and become dirty.
- An eleventh aspect is characterized in that, in any one of the first to tenth aspects, the lens (71) of the imaging device (70) faces the downstream side of the air flow.
- the lens (71) of the imaging device (70) faces the downstream side of the air flow, dust and the like in the air can be prevented from adhering to the lens (71) and becoming dirty.
- the imaging device (70) can be attached to the component (47, 49) provided on the main body (20a) of the casing (20) via the attachment portion (52), the imaging device (70) ) Can be performed easily.
- the components (47, 49) function as members for supporting the imaging device (70), so the number of parts can be reduced.
- FIG. 1 is a plan view showing the internal structure of the air conditioning apparatus according to the first embodiment.
- FIG. 2 is a front view of the air conditioning apparatus according to the first embodiment.
- FIG. 3 is a longitudinal cross-sectional view showing the internal structure of the air conditioning apparatus according to the first embodiment.
- FIG. 4 is a perspective view showing a schematic configuration on the front panel side of the air conditioning apparatus according to the first embodiment.
- FIG. 5 is a perspective view showing the structure of the imaging unit according to the first embodiment.
- FIG. 6 is a block diagram showing a schematic configuration of the imaging system according to the first embodiment.
- FIG. 7 is a plan view showing the internal structure of the air conditioning apparatus according to the second embodiment.
- FIG. 8 is a cross-sectional view showing the internal structure of the air conditioning apparatus according to the second embodiment.
- FIG. 9 is a perspective view showing the structure of an imaging unit according to a modification.
- FIG. 10 is a perspective view showing the structure of the imaging unit according to the second embodiment.
- FIG. 11 is a block diagram showing a schematic configuration of an imaging system according to the first modification.
- FIG. 12 is a block diagram showing a schematic configuration of an imaging system according to the second modification.
- FIG. 13 is a block diagram showing a schematic configuration of an imaging system according to the third modification.
- FIG. 14 is a time chart showing the timing of the operation of each device according to the third modification.
- FIG. 15 is a timing chart illustrating the operation timings of the devices according to another control example 1 of the third modification.
- FIG. 16 is a time chart showing the operation timings of the devices according to another control example 2 of the third modification.
- FIG. 17 is a time chart showing the operation timings of the devices according to another control example 3 of the third modification.
- FIG. 18 is a timing chart illustrating operation timings of the devices according to another control example 4 of the third modification.
- FIG. 19 is a block diagram showing a schematic configuration of an imaging system according to the fourth modification.
- FIG. 20 is a schematic plan view enlarging the periphery of the imaging device according to the fifth modification.
- FIG. 21 is a schematic plan view enlarging the periphery of the imaging device according to the seventh modification.
- FIG. 22 is a schematic plan view enlarging the periphery of the imaging device according to the eighth modification.
- FIG. 23 is a perspective view showing the positional relationship between the camera and the light source.
- FIG. 24 is a longitudinal cross-sectional view of the air conditioning apparatus according to the third embodiment.
- the air processing apparatus is an air conditioner (10).
- An air conditioner (10) regulates at least the temperature of air. Specifically, the air conditioner (10) regulates the temperature of room air (RA) and supplies the temperature-controlled air to the room as supply air (SA).
- the air conditioner (10) includes an indoor unit (11) installed in a space above the ceiling. The indoor unit (11) is connected to an outdoor unit (not shown) via a refrigerant pipe. Thus, in the air conditioner (10), a refrigerant circuit is configured. In the refrigerant circuit, a vapor compression refrigeration cycle is performed by circulating the filled refrigerant.
- the outdoor unit is provided with a compressor and an outdoor heat exchanger connected to the refrigerant circuit, and an outdoor fan corresponding to the outdoor heat exchanger.
- the indoor unit (11) includes a casing (20) installed on the ceiling and a fan (40) and an indoor heat exchanger (43) accommodated in the casing (20). Have. Inside the casing (20), a drain pan (60) for recovering condensed water generated from air in the casing (20), and a drain pump (66) for discharging water accumulated in the drain pan (60) And are provided.
- the casing (20) is formed in the shape of a rectangular hollow box.
- the casing (20) has a top plate (21), a bottom plate (22), and four side plates (23, 24, 25 and 26).
- the four side plates are composed of a front panel (23), a rear panel (24), a first side panel (25), and a second side panel (26).
- the front panel (23) and the rear panel (24) face each other.
- the first side panel (25) and the second side panel (26) face each other.
- the front panel (23) faces the maintenance space (15). On the front panel (23) side, an electrical component box (16), an inspection port (50), and an inspection lid (51) are provided.
- a suction port (31) is formed in the first side panel (25).
- a suction duct (not shown) is connected to the suction port (31). The inflow end of the suction duct is connected to the indoor space.
- An outlet (32) is formed in the second side panel (26).
- An outlet duct (not shown) is connected to the outlet (32). The outlet end of the outlet duct is connected to the indoor space.
- an air flow path (33) is formed between the suction port (31) and the blowout port (32).
- the fan (40) is disposed closer to the first side panel (25) in the air flow path (33).
- the fan (40) conveys the air of the air flow path (33).
- three sirocco fans (41) are driven by one motor (42) (see FIG. 1).
- the indoor heat exchanger (43) is disposed closer to the second side panel (26) in the air flow path (33).
- the indoor heat exchanger (43) is configured by, for example, a fin and tube type heat exchanger.
- the indoor heat exchanger (43) of the present embodiment is disposed obliquely.
- the indoor heat exchanger (43) serving as the evaporator constitutes a cooling unit that cools the air.
- a header collecting pipe (47) which is a pipe (strictly speaking, a refrigerant pipe) is provided on the front side of the indoor heat exchanger (43).
- the header collecting pipe (47) extends obliquely along the side edge of the indoor heat exchanger (43).
- the header collecting pipe (47) is connected to the heat transfer pipe of the indoor heat exchanger (43) via a branch pipe (not shown).
- the drain pan (60) is disposed below the indoor heat exchanger (43) along the bottom plate (22).
- the drain pan (60) includes a first side wall (61), a second side wall (62), and a bottom (63).
- the first side wall (61) is located upstream of the indoor heat exchanger (43).
- the second side wall (62) is located downstream of the indoor heat exchanger (43).
- the bottom portion (63) is formed across the first side wall (61) and the second side wall (62).
- the bottom (63) is formed with a recess (64) having a substantially trapezoidal cross section near the center.
- the height of the bottom of the recess (64) is the lowest. That is, the deepest deepest portion is formed in the recess (64).
- the drain pump (66) is disposed inside the drain pan (60). Specifically, the suction portion (66a) of the drain pump (66) is disposed inside the recess (64) of the drain pan (60).
- the inflow end of drain piping (67) is connected to the discharge part of drain pump (66).
- the drain pipe (67) penetrates the front panel (23) of the casing (20) in the horizontal direction.
- the electrical component box (16) is disposed closer to the fan (40) of the front panel (23). Inside the electrical component box (16), a printed circuit board (17) on which a power supply circuit, a control circuit and the like are mounted, a wire connected to each circuit, a high power side power supply unit, a low power side power supply unit and the like are accommodated.
- the electrical component box (16) includes a box main body (16a) whose front side opens, and an electrical component cover (16b) which opens and closes an opening surface of the box main body (16a).
- the electric component cover (16b) constitutes a part of the front panel (23). By removing the electrical component cover (16b), the inside of the electrical component box (16) is exposed to the maintenance space (15).
- the inspection port (50) is disposed closer to the indoor heat exchanger (43) of the front panel (23).
- the inspection port (50) is composed of a rectangular portion (50a) and a triangular portion (50b) continuous with one lower corner of the rectangular portion.
- the triangular portion (50b) protrudes from the rectangular portion (50a) toward the second side panel (26).
- the inspection port (50) is formed at a position corresponding to the drain pan (60). By removing the inspection lid (51) from the inspection port (50), the inside of the drain pan (60) can be inspected from the maintenance space (15) side.
- the inspection lid (51) has a shape substantially similar to the inspection opening (50) and slightly larger than the inspection opening (50). At the outer edge of the inspection lid (51), a plurality of (three in this example) fastening holes for attaching the inspection lid (51) to the casing body (20a) are formed.
- the inspection lid (51) is fixed to the casing body (20a) by a plurality of fastening members (for example, bolts) inserted through the fastening holes. With such a configuration, the inspection lid (51) is detachably attached to the casing main body (20a) so as to open and close the inspection opening (50).
- the imaging system (S) includes an imaging unit including a camera (70) which is an imaging device, an adjustment mechanism (100), and a mounting portion (52).
- the camera (70) of the present embodiment is attached to a header collecting pipe (47) which is a component via an attaching portion (52) (the details will be described later).
- the camera (70) constitutes an imaging device for imaging the image data of the drain pan (60) to be imaged.
- the camera (70) has a lens (71) and a light source (flash).
- the lens (71) is formed of, for example, a super wide-angle lens.
- the adjusting mechanism (100) includes a ball joint (101).
- the ball joint (101) has a first joint (110) fixed to the mounting portion (52) side and a second joint (120) fixed to the camera (70) side.
- the first joint (110) has a rod (111) and a socket (112) provided at the tip of the rod (111).
- the socket (112) has a shape in which a part of a hollow sphere is cut away, and a substantially spherical fitting recess (113) is formed in its inside.
- a plurality of notch grooves (114) (four in this example) are formed in the peripheral edge portion of the opening end of the fitting recess (113).
- the plurality of notch grooves (114) are circumferentially arranged at equal intervals.
- the number of notch grooves (114) is not limited to this, and the notch grooves (114) may be omitted.
- the second joint (120) has a pivot (121) connected to the camera (70), and a ball (122) provided at the tip of the pivot (121).
- the ball (122) fits inside the mating recess (113) of the socket (112).
- the ball (122) is held in the socket (112) in spherical contact with the mating recess (113). That is, the ball (122) is configured to be rotatable inside the fitting recess (113).
- the pivot shaft (121) is tiltable with the ball (122), and is configured to be rotatable about the axial center of the pivot shaft (121). Further, the pivot shaft (121) is engageable with each notch groove (114) of the socket (112).
- the pivot shaft (121) can be positioned by engaging the pivot shaft (121) with the notch groove (114).
- the camera (70) can change 360 ° direction about the axial center of the rod (111), and can change the inclination angle of the rod (111) with respect to the axial center .
- the imaging direction of the camera (70) can be arbitrarily adjusted according to the position of the imaging target.
- the attachment portion (52) of this example is configured by a clip type.
- the mounting portion (52) has a pair of holding members (53) and an elastic member (for example, a spring, not shown) for urging the pair of holding members (53) inward.
- Each holding member (53) has a substantially rectangular projecting plate portion (53a) and a gripping portion (53b) supported by the tip of the projecting plate portion (53a).
- a support shaft (not shown) for rotatably supporting the projecting plate portions (53a) is provided.
- the grip portion (53b) is formed in a substantially arc shape bulging outward.
- the pair of grips (53b) are arranged to face each other.
- the spring is disposed between the pair of holding members (53).
- the spring constitutes a pressing member for pressing the holding member (53) so as to narrow the distance between the pair of holding members (53).
- An imaging system (S) according to the present embodiment will be described with reference to FIG.
- An imaging system (S) according to the present embodiment includes the camera (70) described above, a power supply unit (18), and a communication terminal (80).
- the camera (70) described above is provided in the casing (20) of the indoor unit (11).
- the camera (70) includes an imaging control unit (74), a storage unit (75), an ID assigning unit (76), and a wireless communication unit (77).
- the imaging control unit (74) controls the imaging operation of the camera (70) according to an imaging command input from the outside. Specifically, in the present embodiment, when a signal indicating an imaging command is input from the communication terminal (80) to the wireless communication unit (77), an operation of imaging the imaging target by the camera (70) is executed. Thereby, with the camera (70), image data of an imaging target (in the present embodiment, drain pan (60)) is acquired.
- the imaging control unit (74) is configured using a microcomputer and a memory device (specifically, a semiconductor memory) that stores software for operating the microcomputer.
- the storage unit (75) stores the acquired image data.
- the storage unit (75) is configured of various memory devices (semiconductor memories).
- the ID assigning unit (76) associates ID information corresponding to image data with corresponding image data.
- this ID information the date / time of imaging, the model / place of the air conditioner corresponding to the imaged drain pan (60), etc. may be mentioned. Therefore, the storage unit (75) stores image data including the ID information.
- the wireless communication unit (77) is wirelessly connected to the communication terminal (80). It constitutes a wireless transmission means.
- the wireless communication unit (77) is configured of, for example, a wireless router.
- the wireless communication unit (77) is connected to a communication terminal (80) around the air conditioner (10) via a wireless LAN. This enables data exchange between the camera (70) and the communication terminal (80).
- the wireless communication unit (77) wirelessly transmits the image data acquired by the camera (70) to the communication terminal (80).
- the wireless communication unit (77) appropriately receives an imaging command from the communication terminal (80) (such as a service provider).
- the wireless communication unit (77) may use, for example, a communication line of mobile high-speed communication technology (for example, LTE).
- the power supply unit (18) is provided, for example, inside the electrical component box (16) of the air conditioner (10).
- the power supply line (85) of the camera (70) is led to the outside of the casing (20) through, for example, the inspection port (50), and is drawn into the inside of the electric component box (16) from the outside.
- the camera (70) in the casing (20) and the power supply unit (18) in the electrical component box (16) are connected via the power supply line (85).
- the power supply unit (18) doubles as a power supply for other devices of the air conditioner (10).
- the communication terminal (80) is configured of a smartphone, a tablet terminal, a mobile phone, a personal computer, etc. that can be connected to a wireless LAN or the like.
- the communication terminal (80) includes a microcomputer, software for operating the microcomputer, a memory device as a storage unit, a receiving unit for receiving image data, and a transmitting unit for outputting a predetermined command. It contains.
- the communication terminal (80) has an operation unit (81) and a display unit (82).
- the service provider or the like operates predetermined application software using an operation unit (81) such as a keyboard or a touch panel. For example, on the application software displayed on the display unit (82), it is possible to transmit an instruction for performing imaging of the camera (70) or download image data acquired by the camera (70).
- the air conditioner (10) is configured to be capable of performing a cooling operation and a heating operation.
- the refrigerant compressed by the compressor of the outdoor unit is released (condensed) by the outdoor heat exchanger and decompressed by the expansion valve.
- the decompressed refrigerant is evaporated in the indoor heat exchanger (43) of the indoor unit (11) and compressed again in the compressor.
- the air when the air is cooled to the dew point temperature or less by the indoor heat exchanger (43), the moisture in the air is condensed.
- the condensed water generated in this manner is suitably recovered to the drain pan (60).
- the condensed water collected in the drain pan (60) is discharged to the outside of the casing (20) by the drain pump (66).
- the refrigerant compressed by the compressor of the outdoor unit is released (condensed) by the indoor heat exchanger (43) of the indoor unit (11) and decompressed by the expansion valve.
- the decompressed refrigerant is evaporated by the outdoor heat exchanger of the outdoor unit and compressed again by the compressor. Therefore, in the indoor heat exchanger (43), the refrigerant releases heat to the air, and the air is heated.
- the camera (70) of the present embodiment is attached to the header collecting pipe (47) via the attaching part (52). Specifically, when the inspection port (50) is removed from the casing main body (20a), the header manifold (47) is exposed to the outside of the casing (20). In this state, the mounting portion (52) is attached to the header collecting pipe (47). When the header collecting pipe (47) is sandwiched between the pair of holding members (53), the header collecting pipe (47) is held by the biased holding portion (53b). As a result, the camera (70) is supported by the header collecting pipe (47) through the mounting portion (52). In this state, the lens (71) of the camera (70) faces obliquely downward. Next, the imaging mechanism of the camera (70) is finely adjusted by the adjustment mechanism (100). As a result, the drain pan (60) can be easily positioned within the imaging range of the camera (70).
- the state of the drain pan (60) described above can be appropriately confirmed by the imaging system (S).
- the lens (71) of the camera (70) is directed to the inside of the drain pan (60).
- the service provider or the like operates the communication terminal (80) and inputs an imaging command on the application software.
- an imaging command is output from the communication terminal (80) to the camera (70).
- imaging of the camera (70) is executed by the imaging control unit (74).
- the inside of the drain pan (60) is illuminated by operating the light source (72). By such imaging, the image data inside the drain pan (60) can be acquired at the timing required by the service provider or the like.
- the image data stored in the camera (70) in this manner is output to the communication terminal (80) together with the ID information. Therefore, the service provider or the like can confirm this image data by the display unit (82), and can appropriately grasp the state of the drain pan (60). Specifically, the service provider or the like checks the image data to check the degree of decay, mold, dirt, etc. of the condensed water in the drain pan (60), check the water level in the drain pan (60), drain piping ( 67) clogging, and failure of the drain pump (66) can be grasped.
- Embodiment 1- since the image data inside the drain pan (60) can be appropriately acquired by the camera (70), the service provider etc. can not enter the space on the ceiling and the inside state of the drain pan (60). Can understand Here, the image data acquired by the camera (70) is transmitted to a communication terminal (80) outside the casing (20) by wireless. Therefore, image data can be easily sent to the communication terminal (80) relatively distant from the camera (70) without providing a transmission line or the like.
- the camera (70) is attached to a header collecting pipe (47) which is a component via an attaching portion (52).
- the attachment portion (52) can be easily attached to and detached from the header manifold (47) by the pair of holding members (53). Therefore, the camera (70) can be easily attached within the casing (20).
- the header manifold (47) functions as a support member for the camera (70), the number of parts can be reduced.
- the header manifold (47) which is a component is arranged in the vicinity of the inspection port (50), the camera (70) can be attached from the outside of the casing (20).
- the camera (70) can arbitrarily adjust the angle in the imaging direction by the adjustment mechanism (100). Therefore, the drain pan (60) to be imaged can be easily positioned in the imaging range of the camera (70).
- the air conditioner (10) according to the second embodiment differs from the first embodiment in the basic configuration.
- the air conditioner (10) of the second embodiment takes in outdoor air (OA) and adjusts the temperature and humidity of this air.
- the air conditioner (10) supplies the air thus treated into the room as supply air (SA). That is, the air conditioner (10) is an outside air treatment system.
- the air conditioner (10) also includes a humidifying element (45) for humidifying air, for example, in winter.
- the air conditioner (10) is installed, for example, in a space above the ceiling. Further, the air conditioner (10) has an outdoor unit (not shown) and an indoor unit (11) as in the first embodiment, and these are connected by a refrigerant pipe, whereby a refrigerant circuit is obtained. Configured
- the indoor unit (11) includes a casing (20) installed on the ceiling, an air supply fan (40a), an exhaust fan (40b), and an indoor heat exchanger (43). And a total heat exchanger (44) and a humidifying element (45). Further, a drain pan (60) for collecting condensed water generated in the indoor heat exchanger (43) and a drain port for discharging water accumulated in the drain pan (60) are provided in the casing (20).
- the casing (20) is formed in the shape of a rectangular hollow box.
- the casing (20) of the second embodiment is, similarly to the first embodiment, a top plate (21), a bottom plate (22), a front panel (23), a rear panel (24), a first side panel (25), and a second It has a side panel (26).
- the front panel (23) faces the maintenance space (15).
- An electrical component box (16), an inspection port (50), and an inspection lid (51) are provided on the front panel (23) side (the details will be described later).
- An inner air port (34) and an air supply port (35) are formed in the first side panel (25).
- An inside air duct (not shown) is connected to the inside air port (34). The inflow end of the inside air duct is connected to the indoor space.
- An air supply duct (not shown) is connected to the air supply port (35). The outlet end of the air supply duct is connected to the indoor space.
- An exhaust port (36) and an open air port (37) are formed in the second side panel (26).
- An exhaust duct (not shown) is connected to the exhaust port (36). The outflow end of the exhaust duct is connected to the outdoor space.
- An outside air duct (not shown) is connected to the outside air port (37). The inflow end of the outside air duct is connected to the outdoor space.
- the air supply flow path (33A) is a flow path from the outside air port (37) to the air supply port (35).
- the exhaust flow path (33B) is a flow path from the inside air port (34) to the exhaust port (36).
- the total heat exchanger (44) is formed in a horizontally long square pole.
- the total heat exchanger (44) is configured, for example, by alternately stacking two types of sheets in the horizontal direction.
- a first passage (44a) communicating with the air supply flow passage (33A) is formed in one of the two types of sheets.
- a second passage (44b) communicating with the exhaust passage (33B) is formed in the other of the two types of sheets.
- Each sheet is made of a material having heat conductivity and hygroscopicity. For this reason, in the total heat exchanger (44), latent heat and sensible heat are exchanged between the air flowing through the first passage (44a) and the air flowing through the second passage (44b).
- the air supply fan (40a) is disposed in the air supply channel (33A) and conveys the air of the air supply channel (33A). More specifically, the air supply fan (40a) is disposed in the air supply channel (33A) between the first passage (44a) of the total heat exchanger (44) and the indoor heat exchanger (43) .
- Exhaust fan The exhaust fan (40b) is disposed in the exhaust flow path (33B) and conveys the air in the exhaust flow path (33B). More specifically, the exhaust fan (40b) is disposed downstream of the second passage (44b) of the total heat exchanger (44) in the exhaust passage (33B).
- the indoor heat exchanger (43) is disposed closer to the front panel (23) in the air supply passage (33A).
- the indoor heat exchanger (43) is configured by, for example, a fin and tube type heat exchanger.
- the humidifying element (45) is disposed closer to the front panel (23) in the air supply passage (33A).
- the humidifying element (45) is disposed downstream of the indoor heat exchanger (43) in the air supply flow path (33A).
- the humidifying element (45) is configured by horizontally arranging a plurality of hygroscopic materials extending vertically. Water from the water supply tank (48) is supplied to these hygroscopic materials. In the humidifying element (45), the evaporated air is applied to the air flowing around the hygroscopic material. Thus, the air flowing through the air supply passage (33A) is humidified.
- the water supply tank (48) is formed of a rectangular container extending back and forth along the humidifying element (45).
- a water pipe (49) for supplying humidified water to the water supply tank (48) is connected to the water supply tank (48) (see FIG. 7).
- the water pipe (49) extends in the front-rear direction along the humidifying element (45) and the water supply tank (48).
- the water pipe (49) is a pipe (component) to which the mounting portion (52) of the camera (70) is attached.
- the drain pan (60) is installed below the indoor heat exchanger (43), and collects condensed water generated in the indoor heat exchanger (43). Moreover, the drain pan (60) of Embodiment 2 is arrange
- the electrical component box (16) is provided on the front of the front panel (23) and substantially in the center.
- the same electrical components as in the first embodiment are accommodated in the electrical component box (16).
- the inspection port (50) is disposed in the vicinity of the indoor heat exchanger (43) and the humidifying element (45) of the front panel (23).
- the inspection port (50) is formed at a position corresponding to the drain pan (60) and the humidifying element (45).
- the inspection lid (51) is attached to the casing body (20a) via a plurality of fastening members.
- the camera (70) of the present embodiment is connected to, for example, a water pipe (49) which is a component via the same attachment portion (52) as that of the first embodiment. That is, the water pipe (49) is sandwiched by the pair of clamping members (53) of the mounting portion (52). At this time, the mounting position of the camera (70) is adjusted such that the camera (70) faces the inside of the drain pan (60). Furthermore, fine adjustment of the imaging direction of the camera (70) is performed by the adjustment mechanism (100). As a result, the drain pan (60) can be easily positioned within the imaging range of the camera (70).
- the basic configuration of the imaging system (S) is the same as that of Embodiment 1 (see FIG. 6).
- the air conditioner (10) is configured to be capable of performing a cooling operation and a heating operation.
- the indoor heat exchanger (43) in the cooling operation, is an evaporator, and in the heating operation, the indoor heat exchanger (43) is a condenser (dissipator). Also, in the heating operation, the humidifying element (45) operates to humidify the air. Further, in the cooling operation and the heating operation, when the air supply fan (40a) and the exhaust fan (40b) are operated, outdoor air (OA) is taken into the air supply flow path (33A) from the outdoor air port (37) and Air (RA) is taken into the exhaust flow path (33B) from the inside air port (34). Thereby, ventilation of indoor space is performed.
- the outdoor air (OA) taken into the air supply flow path (33A) flows through the first passage (44a) of the total heat exchanger (44).
- the room air (RA) taken into the exhaust flow path (33B) flows through the second passage (44b) of the total heat exchanger (44).
- outdoor air (OA) has a higher temperature and humidity than room air (RA). Therefore, in the total heat exchanger (44), the latent heat and the sensible heat of the outdoor air (OA) are applied to the indoor air (RA). As a result, the air is cooled and dehumidified in the first passage (44a).
- the air to which the latent heat and the sensible heat are applied passes through the exhaust port (36) and is discharged to the outdoor space as exhaust air (EA).
- the air cooled and dehumidified in the first passage (44a) passes through the humidifying element (45) in a stopped state after being cooled by the indoor heat exchanger (43). Thereafter, this air passes through the air supply port (35) and is supplied to the indoor space as supply air (SA).
- the outdoor air (OA) taken into the air supply passage (33A) flows through the first passage (44a) of the total heat exchanger (44).
- the room air (RA) taken into the exhaust flow path (33B) flows through the second passage (44b) of the total heat exchanger (44).
- outdoor air (OA) has lower temperature and humidity than room air (RA). Therefore, in the total heat exchanger (44), the latent heat and the sensible heat of the room air (RA) are applied to the outdoor air (OA). As a result, heating and humidification of air are performed in the first passage (44a).
- the second passage (44b) the air from which the latent heat and the sensible heat have been removed passes through the exhaust port (36) and is discharged to the outdoor space as exhaust air (EA).
- the air heated and humidified in the first passage (44a) passes through the humidifying element (45) after being heated in the indoor heat exchanger (43).
- the humidifying element (45) the moisture vaporized by the hygroscopic material is applied to the air, and the air is further humidified.
- the air that has passed through the humidification element (45) passes through the air supply port (35) and is supplied to the indoor space as supply air (SA).
- the state of the drain pan (60) can be confirmed in the same manner as the first embodiment. That is, when an imaging command from the communication terminal (80) is input to the wireless communication unit (77) of the camera (70), the camera (70) executes imaging. Thereby, for example, in summer, image data inside the drain pan (60) can be acquired, and the state of the drain pan (60) can be grasped.
- the humidifying element (45) when the humidifying element (45) operates with the heating operation, scale, mold, etc. may be generated on the surface of the hygroscopic material.
- the image data of the humidifying element (45) can also be acquired by the camera (70), the state of such a humidifying element (45) can be easily grasped.
- the mounting portion (52) includes a mounting member (54) having a U-shaped cross section, and a fastening member (55) (for example, a bolt and a nut) to be fastened to the mounting member (54).
- the mounting member (54) includes a substrate (54a) to which the rod (111) is connected, and a pair of holding plates (54b) extending from both ends in the width direction of the substrate (54a) to the side opposite to the rod (111). And.
- the substrate (54 a) and the holding plate (54 b) are made of a metal material or resin material having elasticity.
- the holding plate (54 b) constitutes a pair of holding members facing each other so as to hold the component.
- the fastening member (55) constitutes a pressing member for pressing the holding plate (54b) so as to narrow the distance between the pair of support plates (73).
- the attaching part (52) of the example of FIG. 10 has two fastening members (55), it may be one or three or more.
- the fastening member (55) is fastened in a state where a predetermined component is positioned inside the attachment member (54).
- the component is held inside the mounting member (54), and the camera (70) is supported by the component.
- an imaging system (S) according to the following modification may be adopted.
- the imaging system (S) of the modification 1 shown in FIG. 11 includes a communication unit (90) separate from the camera (70).
- the communication unit (90) is disposed outside the casing (20) and connected to the camera (70) via the transmission line (91).
- the transmission line (91) is inserted into, for example, a through hole for wiring formed in the inspection lid (51).
- the transmission line (91) is connected to a first transmission / reception unit (78) on the camera (70) side and a second transmission / reception unit (92) on the communication unit (90) side. This enables transmission and reception of image data and signals between the camera (70) and the communication unit (90).
- the storage unit (75), the ID assigning unit (76), and the wireless communication unit (77) are provided in the camera (70).
- the storage unit (75), the ID assigning unit (76), and the wireless communication unit (77) are provided in the communication unit (90).
- the communication terminal (80) is wirelessly connected to the wireless communication unit (77) of the communication unit (90).
- an imaging command from the communication terminal (80) is sent to the communication unit (90) by wireless.
- This imaging command is input to the camera (70) via the transmission line (91).
- imaging of the camera (70) is performed.
- the image data acquired by the camera (70) is input to the communication unit (90) through the transmission line (91), and is appropriately stored in the storage unit (75).
- the ID assigning unit (76) associates ID information corresponding to the image data with the image data.
- the image data to which the ID information is assigned is appropriately transmitted to the communication terminal (80) by wireless.
- a communication unit (90) that wirelessly exchanges data with the communication terminal (80) is provided outside the casing (20). For this reason, radio waves between the communication terminal (80) and the communication unit (90) are less likely to interfere, and data transmission is stabilized.
- the communication unit (90) and the communication terminal (80) are connected to the cloud server (95) via the network (N).
- image data on the communication unit (90) side is sent to the cloud server (95) via the network (N) and stored in the cloud server (95).
- the communication terminal (80) can acquire image data from the cloud server (95).
- the imaging system (S) of the third modification shown in FIG. 13 is configured to control the camera (70) in conjunction with the operation of each device of the air conditioner (10). This point will be described in detail.
- the air conditioning control unit (19) is provided in the electrical component box (16).
- the air conditioning control unit (19) is configured to appropriately control each component of the fan (40), the drain pump (66), the refrigerant circuit, and the like in the cooling operation and the heating operation described above.
- the camera (70) of the third modification is provided with an input unit (79).
- a signal (X) corresponding to the operation command from the air conditioning control unit (19) is input to the input unit (79).
- the imaging control unit (74) causes the camera (70) to perform imaging in synchronization with the input of the signal (X) to the input unit (79).
- the imaging timing of the camera (70) of the imaging system (S) of the modification 3 will be described with reference to the timing chart of FIG.
- the air conditioner (10) according to the first embodiment is targeted.
- the imaging of the camera (70) of this example is performed before the start of the operation of the fan (40) and the start of the cooling operation of the indoor heat exchanger (43).
- the cooling operation of the indoor heat exchanger (43) is an operation of cooling air by the refrigerant flowing in the indoor heat exchanger (43) which is to be an evaporator. Therefore, the stop state of the indoor heat exchanger (43) means that the refrigerant does not substantially flow through the indoor heat exchanger (43) and the air is not cooled.
- the air conditioner (10) for example, the compressor is stopped or the flow of the refrigerant in the indoor heat exchanger (43) is restricted, whereby the indoor heat exchanger (43) is stopped.
- the air conditioning control unit (19) when the cooling operation start command is input to the air conditioning control unit (19) at time t1, the air conditioning control unit (19) generates a fan (at time t2 after ⁇ Ta from this time t1. 40) and the control to start the cooling operation of the indoor heat exchanger (43). Thereby, the cooling operation is started from time t2.
- the air conditioning control unit (19) outputs a signal (X) for performing imaging of the camera (70) to the camera (70) simultaneously with the time t1 when the cooling operation start command is input.
- the imaging control unit (74) causes the camera (70) to perform imaging.
- the camera (70) acquires the image data of the drain pan (60) at substantially the same timing as the cooling operation start command.
- imaging of the camera (70) is performed immediately before the start of the operation of the fan (40) and immediately before the start of the cooling operation of the indoor heat exchanger (43). In other words, imaging of the camera (70) is performed immediately before the start of the cooling operation.
- the fan (40) and the indoor heat exchanger (43) are stopped. Therefore, at time point t1, the overall power consumption of the air conditioner (10) is reduced. Therefore, the power supplied from the power supply unit (18) to the camera (70) can be sufficiently secured.
- the surface of the condensed water inside the drain pan (60) becomes unstable due to the air flow of the drain pan (60) and the influence of vibration.
- the fan (40) since the fan (40) is in the stopped state at time t1, the water surface of the condensed water inside the drain pan (60) is also stabilized. Therefore, it is possible to prevent the image data of the drain pan (60) from being unclear due to the water surface of the condensed water becoming unstable.
- the indoor heat exchanger (43) When the indoor heat exchanger (43) performs a cooling operation, condensed water is likely to be generated from the air cooled by the indoor heat exchanger (43). For this reason, the water surface in drain pan (60) tends to rise.
- the indoor heat exchanger (43) is in a stopped state at time t1. Therefore, the water surface in the drain pan (60) does not rise due to the cooling operation of the indoor heat exchanger (43). Therefore, it is possible to prevent the image data of the drain pan (60) from being unclear due to the rise of the water surface of the condensed water.
- the drain pan (60) is imaged at time t1 immediately before the start of the next cooling operation. For this reason, rot of condensed water and generation of mold in image data become remarkable, and it is possible to grasp the degree of dirt of the drain pan (60) more clearly.
- the drain pan (60) may be imaged at the following timing.
- each timing of the above-mentioned example and the example described below can also be combined.
- Control Example 1 Imaging of the camera (70) is performed after the operation of the fan (40) is stopped and after the cooling operation of the indoor heat exchanger (43) is stopped.
- the air conditioning control unit (19) when the air conditioning control unit (19) receives a cooling operation stop command at time t3, the air conditioning control unit (19) controls the fan (40) to stop, and the indoor heat exchanger Control to stop the cooling operation of (43) is performed. Thereby, the cooling operation is stopped from time t3.
- the air conditioning control unit (19) outputs a signal (X) for performing imaging of the camera (70) to the camera (70) at time t4 which is ⁇ Tb after time t3.
- the imaging control unit (74) causes the camera (70) to perform imaging.
- the camera (70) acquires the image data of the drain pan (60) at a timing slightly later than the end of the cooling operation.
- imaging of the camera (70) is performed immediately after the end of the operation of the fan (40) and immediately after the end of the cooling operation of the indoor heat exchanger (43). In other words, imaging of the camera (70) is performed immediately after the cooling operation is stopped.
- Control Example 2 imaging of the camera (70) is performed after the operation of the drain pump (66) is stopped.
- the drain pump (66) is operated, for example, simultaneously with the start of the cooling operation, and is stopped immediately after the cooling operation is stopped.
- the drain pump (66) may be operated intermittently by a timer or the like, or may be executed when the water level in the drain pan (60) exceeds a predetermined level.
- the air conditioning control unit (19) performs control to stop the drain pump (66) at time t5.
- the air conditioning control unit (19) outputs the signal (X) to the input unit (79) of the camera (70) at time t6 after ⁇ Tc from time t5.
- imaging of the camera (70) is executed at time t6 immediately after the stop of the drain pump (66).
- the drain pump (66) is in the stop state. For this reason, the total power consumption of the air conditioner (10) is reduced as in the above embodiment. Therefore, the power supplied from the power supply unit (18) to the camera (70) can be sufficiently secured.
- the drain pump (66) When the drain pump (66) is in operation, the water surface of the condensed water inside the drain pan (60) due to the drain pump (66) sucking in the condensed water or the vibration of the drain pump (66). becomes unstable. On the other hand, at time t6, the drain pump (66) is stopped, and the water surface of the condensed water inside the drain pan (60) is also stabilized. Therefore, it is possible to prevent the image of the acquired data from being unclear due to the instability of the water surface of the condensed water.
- Condensed water in the drain pan (60) is drained until just before the stop of the operation of the drain pump (66). Therefore, immediately after the operation of the drain pump (66) is stopped, there should normally be no much condensed water accumulated inside the drain pan (60). Nevertheless, in the case where a relatively large amount of condensed water is present inside the drain pan (60), it can be assumed that the drain pump (66) is defective or that a drainage pipe is clogged. Therefore, by imaging the inside of the drain pan (60) at time t6, the above-mentioned problems relating to the drainage structure of condensed water can be discovered.
- Control Example 3 imaging of the camera (70) is performed before the start of operation of the drain pump (66).
- the air conditioning control unit (19) causes the drain pump (66) to be drain pump at time t8 after ⁇ Td from time t7. Control to operate (66) is performed.
- the air conditioning control unit (19) outputs the signal (X) to the input unit (79) of the camera (70). Thereby, imaging of the camera (70) is performed at time t7 immediately before the operation of the drain pump (66).
- the drain pump (66) is in the stop state. For this reason, the total power consumption of the air conditioner (10) is reduced as in the above embodiment. Therefore, the power supplied from the power supply unit (18) to the camera (70) can be sufficiently secured. In addition, the surface of the condensed water of the drain pan (60) is also stabilized.
- control example 4 is applied to the heating operation of the second embodiment described above.
- the imaging of the camera (70) of the second embodiment is performed before the start of the operation of the fans (the air supply fan (40a) and the exhaust fan (40b)) and before the start of the heating operation of the indoor heat exchanger (43) It is performed before the start of operation of the element (45).
- the air conditioning control unit (19) charges the air at time t10 after ⁇ Te after time t9.
- Control for operating the fan (40a) and the exhaust fan (40b), control for starting the heating operation of the indoor heat exchanger (43), and control for operating the humidifying element (45) are performed. Thereby, the heating operation is started from time t10.
- the air conditioning control unit (19) outputs a signal (X) for performing imaging of the camera (70) to the camera (70) simultaneously with the time t9 when the start command of the heating operation is input.
- the imaging control unit (74) causes the camera (70) to perform imaging.
- the camera (70) acquires the image data of the drain pan (60) and the humidifying element (45) at substantially the same timing as the start command of the heating operation.
- the air supply fan (40a), the exhaust fan (40b), the indoor heat exchanger (43), and the humidifying element (45) are stopped. Therefore, at time t9, the overall power consumption of the air conditioner (10) is reduced. Therefore, the power supplied from the power supply unit (18) to the camera (70) can be sufficiently secured. At time t9, the surface of the humidified water in the drain pan (60) is also stabilized.
- the humidification element (45) is imaged at time t9 immediately before the start of the next heating operation. For this reason, the occurrence of scale and mold in the image data of the humidifying element (45) becomes remarkable, and it is possible to grasp the degree of the soiling of the humidifying element (45) more clearly.
- a determination unit (96) is provided in the cloud server (95) of the imaging system (S) according to the modification 3.
- the determination unit (96) automatically determines the state of the imaging target based on the image data acquired by the camera (70).
- the determination unit (96) may be provided in the communication unit (90), the camera (70), or the communication terminal (80).
- the image data is acquired interlockingly with the driving operation (including the stopping operation) of the air conditioning apparatus (10).
- the determination unit (96) of the cloud server (95) determines the state of the imaging target based on the image data.
- the determination unit (96) is realized, for example, by using AI (Artificial Intelligence) deep learning. Thereby, the determination unit (96) can determine, for example, the degree of contamination of the drain pan (60), the humidifying element (45), and the like. In addition, the determination unit (96) may determine the degree of contamination of the drain pan (60) or the humidifying element (45) in the future.
- the determination result of the determination unit (96) is transmitted to, for example, the communication terminal (80).
- the service provider or the like can grasp the current or future state of the imaging target via the communication terminal (80). Therefore, based on such information, a schedule of maintenance can be planned.
- the image data determined by the determination unit (96) is acquired at a regular timing interlocked with the air conditioner (10). For this reason, an error factor of the image data used for AI can be removed, and the determination accuracy can be improved.
- the determination accuracy can be improved.
- by acquiring image data in the presentation state of each device described above it is possible to reliably remove an error factor of the image data caused by the flow or vibration of air.
- the wiring (internal wiring (56)) on the camera (imaging device (70)) side is connected to the external wiring (86) via the first connector (56a) and the second connector (86a).
- one end of the internal wiring (56) is connected to the camera (70).
- the internal wiring (56) is disposed to the outside of the casing (20) through the insertion hole (27) provided in the casing (20).
- the insertion hole (27) is formed in the inspection lid (51).
- the casing (20) may be provided with a member such as a lid for closing a gap between the inner edge of the insertion hole (27) and the internal wiring (56).
- the other end of the internal wiring (56) of the camera (70) of the present example is disposed outside the casing (20).
- a first connector (56a) is provided at the other end of the casing (20).
- one end of the external wiring (86) is connected to the power supply unit (18) inside the electrical component box (16).
- the external wiring (86) is disposed to the outside of the electrical component box (16).
- the other end of the external wiring (86) is disposed outside the electrical component box (16).
- a second connector (86a) is provided at the other end of the external wiring (86).
- the first connector (56a) and the second connector (86a) are connected outside the casing (20).
- the internal wiring (56) of the camera (70) and the external wiring (86) are connected to each other, and power can be supplied to the camera (70).
- the internal wiring (56) and the external wiring (86) may be transmission lines for exchanging image data and various signals, or may be cables capable of both power supply and transmission.
- a wireless communication unit (77) (for example, a wireless LAN adapter) is disposed inside the electrical component box (16). ) And the external wiring (86).
- image data and various signals can be exchanged between the camera (70) and the wireless communication unit (77) by wire connection.
- the wireless communication unit (77) exchanges image data and various signals with the communication terminal (80) by wireless connection.
- the internal wiring (56) of the camera (70) is disposed to the outside of the casing (20), and the other end of the internal wiring (56) is provided with the first connector (56a). ing. Therefore, connection and removal of the internal wiring (56) can be easily performed without accessing the inside of the casing (20).
- the first connector (56a) of the internal wiring (56) and the second connector (86a) of the external wiring (86) may be connected inside the electrical component box (16).
- the air conditioner (10) of the modified example 7 includes a mirror (57) that forms a mirror image of an imaging target toward the camera (70).
- the drain pan (60) is an imaging target.
- another part (C) is interposed between the lens (71) of the camera (70) and the drain pan (60). For this reason, this part (C) becomes an obstacle of the camera (70), and the camera (70) can not directly image the drain pan (60).
- the mirror (57) is disposed forward in the imaging direction of the camera (70), and the mirror (57) forms a mirror image of the drain pan (60).
- the camera (70), the object to be imaged, and the mirror (57) are formed in the mirror (57) and the relative position of each other is such that the mirror image of the drain pan (60) is formed toward the camera (70). It is set.
- the direction in which light directed from the camera (70) to the mirror (57) is reflected by the mirror (57) is directed to the drain pan (60). Therefore, even if a predetermined part (C) intervenes between the camera (70) and the drain pan (60), the camera (70) indirectly connects the drain pan (60) through the mirror (57). It can be imaged.
- the mirror (57) may be a general mirror in which a metal such as aluminum or silver is vapor-deposited on the surface of glass, or a so-called metal mirror in which a metal is polished to form a mirror surface.
- the relative position between the camera (70) and the reflecting portion (R) is set so as to reduce the influence of the reflected light of the light source (72) of the camera (70).
- the drain pan (60) is an imaging target.
- the reflecting portion (R) is located on the back side of the drain pan (60).
- the reflective portion (R) is made of, for example, a metal material that easily reflects light, such as a stainless steel plate. In this example, an angle ( ⁇ a in FIG.
- ⁇ a when ⁇ a is larger than 10 °, the reflected light can be prevented from entering the imaging range of the camera (70), and the above-mentioned problems can be avoided. It is preferable that ⁇ a be larger than 0 ° and smaller than 80 °.
- the camera (70) of the above embodiment may have the following configuration.
- a vibration isolation member is preferably interposed between the camera (70) and the component (for example, the inspection lid (51)) to which the camera (70) is attached. Thereby, it can suppress that the vibration by the side of a casing (20) propagates to a camera (70). As a result, it is possible to prevent the image data acquired by the camera (70) from being unclear due to the influence of the vibration.
- the camera (70) has a waterproof structure for suppressing water immersion to the inside.
- the periphery of the camera (70) is covered with a waterproofing member.
- water for example, condensed water, humidified water, etc.
- the lens (71) of the camera (70) is preferably a wide-angle lens or a fisheye lens.
- the wide-angle lens referred to here also includes a so-called super-wide-angle lens having a wider angle of view than a general wide-angle lens.
- the fisheye lens has a field angle of 180 ° or more, preferably 220 ° or more.
- a wide-angle lens or a fisheye lens has a wider angle of view than a normal lens, so that even if the distance between the lens (71) and the imaging target is relatively short, the imaging target can be imaged over a wide range.
- the camera (70) preferably has an automatic processing unit for performing various types of automatic processing.
- the automatic processing unit is configured to be able to execute at least one of an autofocus function, an automatic exposure adjustment function, and a white balance adjustment function.
- the camera (70) has a light source (72) (flash) for illuminating the object to be imaged.
- the light source (72) is provided behind the lens (71) of the camera (70) in the imaging direction.
- the light source (72) in the imaging range of the camera (70) may enter directly, and image data may become unclear due to the influence of light.
- image data may become unclear due to the influence of light.
- the light source (72) behind the lens (71) it is possible to prevent the light source (72) from directly entering the imaging range of the camera (70). As a result, it is possible to prevent the image data from being unclear due to the influence of the light source (72).
- a translucent material such as frosted glass (clouded glass) can also be used.
- the air conditioning apparatus (10) is a ceiling-hanging or ceiling-embedding air conditioning apparatus.
- the air conditioner (10) has an outdoor unit (not shown) and an indoor unit (11), and a refrigerant circuit is configured by connecting these by refrigerant piping.
- the indoor unit (11) includes a casing (20) installed on the ceiling.
- the casing (20) is a rectangular box-like casing main body (20a) having an opening on the lower side, and a panel (130) (detachably provided on the casing main body (20a) so as to close the opening. And a casing member).
- the panel (130) includes a rectangular frame-shaped panel body (131) and a suction grill (132) provided at the center of the panel body (131).
- One suction port (31) is formed at the center of the panel body (131).
- the suction grille (132) is attached to the suction port (31).
- One outlet (32) is formed at each of the four side edges of the panel body (131). Each outlet (32) extends along four side edges.
- Wind direction adjusting blades (133) are respectively provided in the insides of the respective air outlets (32).
- a bell mouth (134), an indoor fan (40), an indoor heat exchanger (43), and a drain pan (60) are provided inside the casing body (20a).
- the bellmouth (134) and the indoor fan (40) are located above the suction grille (132).
- the indoor heat exchanger (43) is disposed to surround the indoor fan (40).
- the indoor heat exchanger (43) is composed of a fin-and-tube type heat exchanger.
- the drain pan (60) is disposed below the indoor heat exchanger (43).
- the camera (70) is attached to the indoor heat exchanger (43) via the attachment (52).
- the attachment portion (52) is attached to the heat transfer tube or tube sheet of the indoor heat exchanger (43) which is a component. Since the mounting portion (52) is configured to be removable from the indoor heat exchanger (43), mounting work of the camera (70) is simplified.
- the lens (71) of the camera (70) preferably faces the downwind side (downstream of the air flow). By doing so, dust and the like in the air are less likely to adhere to the surface of the lens (71), so that the contamination of the lens (71) can be suppressed.
- the flow velocity of air around the lens 71 is more preferably 30% or less.
- the lens (71) of the camera (70) may be arranged to face the windward side (upstream side of the air flow). In this case, it is preferable to use a fisheye lens (spherical lens) as the lens (71) of the camera (70).
- a fisheye lens spherical lens
- the water level of the drain pan (60) can also be detected using halation as described above. That is, when the water level of the drain pan (60) reaches a predetermined value (for example, the upper limit water level), the relative positions of the camera (70) and the drain pan (60) are set such that halation occurs. Thereby, it can be determined that the water level of the drain pan (60) has reached a predetermined height based on the image data in which halation has occurred.
- a predetermined value for example, the upper limit water level
- a float or the like may be provided inside the drain pan (60), or a scale or a mark may be attached to the inner wall of the drain pan (60). This makes it easy to determine the water level of the drain pan (60) in the image data.
- the inner wall of the drain pan (60) may be coated with a light emitting paint that emits light by ultraviolet light, and the light emitting paint may be irradiated with a UV (ultraviolet) lamp or the like.
- a UV (ultraviolet) lamp or the like.
- the camera (70) may be arranged to bring the lens (71) of the camera (70) to a predetermined water level in the drain pan (60). In this case, when the water level of the drain pan (60) reaches a predetermined height, the lens (71) is flooded, and image data of this state is acquired. Based on the image data, it can be determined that the water level of the drain pan (60) has reached a predetermined height.
- the component in which the imaging device (70) is provided is not limited to the refrigerant pipe (header collecting pipe (47) or water pipe (49)) described above.
- the component may be a plate-like member such as a pipe solid plate for supporting the pipe, a tube plate of the heat exchanger, or a pressure plate of the heat exchanger.
- the component may be a motor base supporting the motor of the fan (40), a water tank (for example, the above-described water supply tank), a connection port (a blower outlet, a suction port) of a duct, or the like. These components are parts that are not usually removed during maintenance or the like.
- the attaching part (52) can be attached to a part which is removed from the casing main body (20a), and the camera (70) can be supported.
- the humidification element (45), the lid of the water supply tank, and the like can be mentioned.
- the electrical component box installed in the casing (20), the panel (130) (panel main body (131), suction grill (132)) and the like can be mentioned.
- the imaging target of the imaging device (70) may be other than the drain pan (60) and the humidifying element (45).
- the imaging target includes a drain pump (66), an air filter, a heat exchanger (eg, an indoor heat exchanger (43)), a fan (40), a drain (including a drain in the drain pan (60)), a drain pan ( 60) It may be the surface (water level) of water within.
- the water (humidified water) flowing out of the humidifying element (45) is recovered.
- the humidifying element (45) does not operate normally, the surplus humidified water does not flow through the drain of the drain pan (60). Therefore, it can be determined whether the humidifying element (45) is operating normally by determining the presence or absence of water near the drain port of the drain pan (60) from the image data.
- the mounting portion (52) described above does not necessarily have to be a method for sandwiching the component (C).
- the attachment portion (52) may be a fastening member that is removably wound around the component (C), such as a binding band or a surface fastener.
- the imaging device (70) is not limited to a camera, and may be, for example, an optical sensor or the like.
- the imaging control unit (74) of the imaging device (70) may not necessarily be provided on the camera (70) side, and may be provided on the communication unit (90) side shown in FIG. 11, for example.
- the camera (70) may start an imaging operation by being turned on (energized). In this case, the camera (70) may be controlled to be energized at the timing of starting the imaging operation.
- the imaging device (70) is applied to the casing (20) of the indoor unit (11) installed in the ceiling, it is applied to the casing of a floor-mounted, wall-mounted, ceiling-hung, etc. indoor unit May be In addition, the imaging device (70) may be applied to the casing of the outdoor unit.
- the imaging device (70) may be applied to an air processing device other than the air conditioner (10).
- air treatment devices include a humidity control device that regulates the humidity of air, a ventilation device that ventilates a room, and an air purification device that purifies air.
- the present invention is useful for air treatment devices.
- Air conditioner air processing device 20 casing 20a casing main body (main body) 40 fans (target for imaging) 43 Indoor heat exchanger (target for imaging) 45 Humidification element (target for imaging) 51a inner wall 52 mounting portion 53 clamping member 55 fastening member (pressing member) 56 Wiring (internal wiring) 56a 1st connector (connector) 60 drain pan (target for imaging) 66 Drain pump (target for imaging) 70 Camera (imaging device) 71 lens 72 light source 77 wireless communication unit 80 reception unit 86 external wiring 91 transmission line
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Abstract
Description
前記取付部(52)は、
前記構成部品(47,49)を挟むように対向する一対の挟持部材(53)と、
前記一対の挟持部材(53)の間隔を狭めるように該挟持部材(53)を押し付ける押付部材(55)とを備えていることを特徴とする空気処理装置である。
前記撮像装置(70)で取得した画像データを無線により前記ケーシング(20)の外部へ伝送する無線通信部(77)を備えていることを特徴とする空気処理装置である。
前記撮像装置(70)で取得した画像データを有線によりケーシング(20)の外部へ伝送する伝送線(91)と、
前記ケーシング(20)の外部に配置されるとともに、前記伝送線(91)の出力データを無線により所定の受信部(80)へ伝送する無線通信部(77)とを備えていることを特徴とする空気処理装置である。
一端が前記撮像装置(70)に接続するとともに、前記ケーシング(20)の外部まで配設される配線(56)を備え、
前記配線(56)の前記他端には、外部配線(86)が連結されるコネクタ(56a)が設けられることを特徴とする空気処理装置である。
前記撮像装置(70)は、広角式又は魚眼式のレンズ(71)を備えていることを特徴とする空気処理装置である。
前記撮像装置(70)は、レンズ(71)と、該レンズ(71)よりも撮像方向における後方に位置する光源(72)とを備えていることを特徴とする空気処理装置である。
前記撮像対象(40,43,45,60,66)は、ドレンパン(60)、排水口、ドレンポンプ(66)、フロートスイッチ、及び加湿エレメント(45)の少なくとも1つを含んでいることを特徴とする空気処理装置である。
前記構成部品は、配管(47,49)であることを特徴とする空気処理装置である。
ケーシング(20)から吹き出される吹出空気の平均流速をVaとすると、
前記撮像装置(70)は、前記吹出空気の平均流速Vaの30%以下の空気が流れる位置に配置されることを特徴とする空気処理装置である。
実施形態1に係る空気処理装置は、空気調和装置(10)である。空気調和装置(10)は、空気の少なくとも温度を調節する。具体的に、空気調和装置(10)は、室内空気(RA)の温度を調節し、温度を調節した空気を供給空気(SA)として室内へ供給する。空気調和装置(10)は、天井裏の空間に設置される室内ユニット(11)を備えている。室内ユニット(11)は、冷媒配管を介して室外ユニット(図示省略)に接続される。これにより、空気調和装置(10)では、冷媒回路が構成される。冷媒回路では、充填された冷媒が循環することで蒸気圧縮式の冷凍サイクルが行われる。なお、室外ユニットには、冷媒回路に接続される圧縮機及び室外熱交換器と、室外熱交換器に対応する室外ファンが設けられる。
図1~図3に示すように、室内ユニット(11)は、天井裏に設置されるケーシング(20)と、ケーシング(20)に収容されるファン(40)及び室内熱交換器(43)を備えている。ケーシング(20)の内部には、該ケーシング(20)内の空気中から発生した凝縮水を回収するドレンパン(60)と、ドレンパン(60)に溜まった水を排出するためのドレンポンプ(66)とが設けられる。
ケーシング(20)は、直方体の中空箱形に形成されている。ケーシング(20)は、天板(21)、底板(22)、及び4つの側板(23,24,25,26)を有している。4つの側板は、前面パネル(23)、後面パネル(24)、第1側面パネル(25)、及び第2側面パネル(26)で構成される。前面パネル(23)及び後面パネル(24)は、互いに対向している。第1側面パネル(25)及び第2側面パネル(26)は互いに対向している。
ファン(40)は、空気流路(33)における第1側面パネル(25)寄りに配置される。ファン(40)は、空気流路(33)の空気を搬送する。本実施形態では、3台のシロッコ型ファン(41)が、1つのモータ(42)に駆動される(図1を参照)。
室内熱交換器(43)は、空気流路(33)における第2側面パネル(26)寄りに配置される。室内熱交換器(43)は、例えばフィンアンドチューブ式の熱交換器で構成される。本実施形態の室内熱交換器(43)は、斜め置きの配置となる。蒸発器となる室内熱交換器(43)は、空気を冷却する冷却部を構成する。
図3に模式的に示すように、ドレンパン(60)は、底板(22)に沿うように、室内熱交換器(43)の下側に配置される。ドレンパン(60)は、第1側壁(61)、第2側壁(62)、及び底部(63)を含んでいる。第1側壁(61)は、室内熱交換器(43)の上流側に位置する。第2側壁(62)は、室内熱交換器(43)の下流側に位置する。底部(63)は、第1側壁(61)と第2側壁(62)とに亘って形成される。底部(63)には、中央寄りに略台形状の断面を有する凹部(64)が形成される。ドレンパン(60)では、この凹部(64)の底面の高さが、最も低くなる。つまり、凹部(64)には、最も深い最深部が構成されている。
ドレンポンプ(66)は、ドレンパン(60)の内部に配置される。具体的に、ドレンポンプ(66)の吸込部(66a)は、ドレンパン(60)の凹部(64)の内部に配置される。ドレンポンプ(66)の吐出部には、ドレン配管(67)の流入端が接続される。ドレン配管(67)は、ケーシング(20)の前面パネル(23)を水平方向に貫通している。ドレンポンプ(66)が運転されると、ドレンパン(60)に溜まった凝縮水が汲み上げられる。汲み上げられた水は、ドレン配管(67)を介してケーシング(20)の外部へ排出される。
図1に示すように、電装品箱(16)は、前面パネル(23)のファン(40)寄りに配置される。電装品箱(16)の内部には、電源回路や制御回路等が搭載されたプリント基板(17)、各回路に接続される配線、強電側電源部、弱電側電源部などが収容される。電装品箱(16)は、前側が開口する箱本体(16a)と、箱本体(16a)の開口面を開閉する電装品蓋(16b)とを含んでいる。電装品蓋(16b)は、前面パネル(23)の一部を構成している。電装品蓋(16b)を取り外すことで、電装品箱(16)の内部がメンテナンス用空間(15)に露出される。
図1に示すように、点検口(50)は、前面パネル(23)の室内熱交換器(43)寄りに配置される。図2及び図4に示すように、点検口(50)は、長方形部分(50a)と、該長方形部分の下側の一方の角部と連続する三角形部分(50b)とで構成される。三角形部分(50b)は、長方形部分(50a)から第2側面パネル(26)側に突出している。点検口(50)は、ドレンパン(60)に対応する位置に形成される。点検口(50)から点検蓋(51)を取り外すことで、メンテナンス用空間(15)側からドレンパン(60)の内部を点検することができる。
図5に示すように、撮像システム(S)は、撮像装置であるカメラ(70)、調整機構(100)、及び取付部(52)を含む撮像ユニットを備えている。本実施形態のカメラ(70)は、構成部品であるヘッダ集合管(47)に取付部(52)を介して取り付けられる(詳細は後述する)。
本実施形態に係る撮像システム(S)について、図6を参照しながら説明する。本実施形態に係る撮像システム(S)は、上述したカメラ(70)と、電源部(18)と、通信端末(80)とを含んでいる。
実施形態1に係る空気調和装置(10)の基本的な運転動作について図1及び図3を参照しながら説明する。空気調和装置(10)は、冷房運転と暖房運転とを実行可能に構成される。
本実施形態のカメラ(70)は、取付部(52)を介してヘッダ集合管(47)に取り付けられる。具体的に、ケーシング本体(20a)から点検口(50)を取り外すと、ケーシング(20)の外部にヘッダ集合管(47)が露出する状態となる。この状態で、ヘッダ集合管(47)に取付部(52)を取り付ける。ヘッダ集合管(47)を一対の挟持部材(53)で挟み込むと、付勢された把持部(53b)によりヘッダ集合管(47)が保持される。この結果、カメラ(70)は、取付部(52)を介してヘッダ集合管(47)に支持される。この状態では、カメラ(70)のレンズ(71)が斜め下を向く状態になる。次いで、調整機構(100)により、カメラ(70)の撮像方向を微調整する。この結果、カメラ(70)の撮像範囲内にドレンパン(60)を容易に位置付けることができる。
本実施形態では、上述したドレンパン(60)の状態を、撮像システム(S)により適宜確認することができる。
上記実施形態1によれば、カメラ(70)によりドレンパン(60)の内部の画像データを適宜取得できるため、サービス業者等は、天井裏の空間に入り込むことなく、ドレンパン(60)の内部の状態を把握できる。ここで、カメラ(70)で取得した画像データは、無線により、ケーシング(20)の外部の通信端末(80)へ伝送される。このため、伝送線等を設けずとも、カメラ(70)から比較的離れた通信端末(80)に対して、容易に画像データを送ることができる。
実施形態2に係る空気調和装置(10)は、上記実施形態1と基本的な構成が異なる。実施形態2の空気調和装置(10)は、室外空気(OA)を取り込み、この空気の温度及び湿度を調節する。そして、空気調和装置(10)は、このように処理した空気を供給空気(SA)として室内へ供給する。つまり、空気調和装置(10)は、外気処理方式である。また、空気調和装置(10)は、例えば冬場等において、空気を加湿するための加湿エレメント(45)を備えている。
図7及び図8に示すように、室内ユニット(11)は、天井裏に設置されるケーシング(20)と、給気ファン(40a)と、排気ファン(40b)と、室内熱交換器(43)と、全熱交換器(44)と、加湿エレメント(45)とを備えている。また、ケーシング(20)の内部には、室内熱交換器(43)で発生した凝縮水を回収するドレンパン(60)と、ドレンパン(60)に溜まった水を排出するための排水口とが設けられる。
ケーシング(20)は、直方体の中空箱形に形成されている。実施形態2のケーシング(20)は、実施形態1と同様、天板(21)、底板(22)、前面パネル(23)、後面パネル(24)、第1側面パネル(25)、及び第2側面パネル(26)を備えている。
全熱交換器(44)は、横長の四角柱状に形成される。全熱交換器(44)は、例えば2種類のシートが水平方向に交互に積み重なって構成される。2種類のシートのうちの一方には、給気流路(33A)に連通する第1通路(44a)が形成される。2種類のシートのうちの他方のシートには、排気流路(33B)に連通する第2通路(44b)が形成される。各シートは、伝熱性及び吸湿性を有する材料で構成される。このため、全熱交換器(44)では、第1通路(44a)を流れる空気と、第2通路(44b)を流れる空気との間で潜熱及び顕熱の交換が行われる。
給気ファン(40a)は、給気流路(33A)に配置され、給気流路(33A)の空気を搬送する。より詳細には、給気ファン(40a)は、給気流路(33A)において、全熱交換器(44)の第1通路(44a)と室内熱交換器(43)との間に配置される。
排気ファン(40b)は、排気流路(33B)に配置され、排気流路(33B)の空気を搬送する。より詳細には、排気ファン(40b)は、排気流路(33B)において、全熱交換器(44)の第2通路(44b)の下流側に配置される。
室内熱交換器(43)は、給気流路(33A)における前面パネル(23)寄りに配置される。室内熱交換器(43)は、例えばフィンアンドチューブ式の熱交換器で構成される。
加湿エレメント(45)は、給気流路(33A)における前面パネル(23)寄りに配置される。加湿エレメント(45)は、給気流路(33A)における室内熱交換器(43)の下流側に配置される。加湿エレメント(45)は、上下に延びる複数の吸湿材料が水平方向に配列されて構成される。これらの吸湿材料には、給水タンク(48)からの水が供給される。加湿エレメント(45)では、吸湿材料の周囲を流れる空気中に、蒸発した空気が付与される。これにより、給気流路(33A)を流れる空気が加湿される。
図8に模式的に示すように、ドレンパン(60)は、室内熱交換器(43)の下側に設置され、室内熱交換器(43)で発生した凝縮水を回収する。また、実施形態2のドレンパン(60)は、加湿エレメント(45)の下側に配置される。このため、ドレンパン(60)は、加湿エレメント(45)から流出した水(加湿水)も回収可能となっている。
図7及び図9に示すように、電装品箱(16)は、前面パネル(23)の前面、且つ略中央部に設けられる。電装品箱(16)の内部には、実施形態1と同様の電装品が収容される。
図7に示すように、点検口(50)は、前面パネル(23)のうち室内熱交換器(43)及び加湿エレメント(45)の近傍に配置される。点検口(50)は、ドレンパン(60)及び加湿エレメント(45)に対応する位置に形成される。点検口(50)から点検蓋(51)を取り外すことで、メンテナンス用空間(15)側から、ドレンパン(60)の内部や加湿エレメント(45)を点検することができる。点検蓋(51)は、複数の締結部材を介してケーシング本体(20a)に取り付けられる。
図7に示すように、本実施形態のカメラ(70)は、上記実施形態1と同様の取付部(52)を介して、例えば構成部品である水配管(49)に接続される。つまり、取付部(52)の一対の挟持部材(53)により水配管(49)が挟み込まれる。この際、カメラ(70)がドレンパン(60)の内部を向くように、カメラ(70)の取り付け位置が調整される。更に、調整機構(100)により、カメラ(70)の撮像方向の微調整が行われる。この結果、カメラ(70)の撮像範囲内にドレンパン(60)を容易に位置付けることができる。
実施形態2に係る空気調和装置(10)の運転動作について図7及び図8を参照しながら説明する。空気調和装置(10)は、冷房運転と暖房運転とを実行可能に構成される。
実施形態2においても、実施形態1と同様にして、ドレンパン(60)の状態を確認できる。つまり、通信端末(80)からの撮像指令がカメラ(70)の無線通信部(77)に入力されると、カメラ(70)が撮像を実行する。これにより、例えば夏季において、ドレンパン(60)の内部の画像データを取得でき、ドレンパン(60)の状態を把握することができる。
図10に示す変形例は、上記実施形態と取付部(52)の構成が異なる。具体的に、取付部(52)は、断面コの字状の取付部材(54)と、該取付部材(54)に締結される締結部材(55)(例えばボルトナット)とを有する。取付部材(54)は、ロッド(111)が連結される基板(54a)と、該基板(54a)の幅方向の両端からロッド(111)と逆側に延出する一対の挟持板(54b)とを有する。基板(54a)及び挟持板(54b)は、弾性を有する金属材料あるいは樹脂材料で構成される。挟持板(54b)は、構成部品を挟むように対向する一対の挟持部材を構成する。締結部材(55)は、一対の支持板(73)の間隔を狭めるように該挟持板(54b)を押し付ける押付部材を構成している。図10の例の取付部(52)は、2本の締結部材(55)を有するが、1本、又は3本以上であってもよい。
各実施形態(詳細は後述する実施形態3も含む)に係る空気調和装置(10)においては、以下に挙げる変形例に係る撮像システム(S)を採用してもよい。
図11に示す変形例1の撮像システム(S)は、カメラ(70)と別体の通信ユニット(90)を備えている。通信ユニット(90)は、ケーシング(20)の外部に配置され、伝送線(91)を介してカメラ(70)と接続される。伝送線(91)は、例えば点検蓋(51)に形成した配線用の貫通穴に挿通される。伝送線(91)は、カメラ(70)側の第1送受信部(78)と、通信ユニット(90)側の第2送受信部(92)とに接続される。これにより、カメラ(70)と通信ユニット(90)との間で画像データや信号の授受が可能となっている。
図12に示す変形例2の撮像システム(S)では、通信ユニット(90)及び通信端末(80)がネットワーク(N)を介してクラウドサーバ(95)に接続される。例えば通信ユニット(90)側の画像データは、ネットワーク(N)を経由してクラウドサーバ(95)に送られ、該クラウドサーバ(95)に記憶されていく。通信端末(80)は、クラウドサーバ(95)から画像データを取得することができる。
図13に示す変形例3の撮像システム(S)は、空気調和装置(10)の各機器の動作に連動してカメラ(70)を制御するように構成される。この点について詳細に説明する。
上記実施形態においては、以下のようなタイミングでドレンパン(60)を撮像してもよい。なお、上記の例や、以下に説明する例の各タイミングを組み合わせることもできる。
制御例1では、カメラ(70)の撮像が、ファン(40)の運転の停止後で且つ室内熱交換器(43)の冷却動作の停止後に実行される。
制御例2では、カメラ(70)の撮像が、ドレンポンプ(66)の運転の停止後に実行される。ここで、ドレンポンプ(66)は、例えば冷房運転の開始と同時に運転され、冷房運転の停止直後に停止される。あるいは、ドレンポンプ(66)は、タイマー等により間欠的に運転されるものであってもよし、ドレンパン(60)の水位が所定レベルを越えると実行されるものであってもよい。
制御例3では、カメラ(70)の撮像が、ドレンポンプ(66)の運転の開始前に実行される。図17に示すように、例えば時点t7においてドレンポンプ(66)を運転させる指令があると、空調制御部(19)は、ドレンポンプ(66)を時点t7からΔTd後の時点t8において、ドレンポンプ(66)を運転させる制御を行う。一方、空調制御部(19)は、時点t7において、信号(X)をカメラ(70)の入力部(79)に出力する。これにより、ドレンポンプ(66)の運転直前の時点t7において、カメラ(70)の撮像が実行される。
制御例4は、上述した実施形態2の暖房運転に適用される。実施形態2のカメラ(70)の撮像は、ファン(給気ファン(40a)及び排気ファン(40b))の運転の開始前、且つ室内熱交換器(43)の加熱動作の開始前、且つ加湿エレメント(45)の運転の開始前に実行される。
図19に示す変形例4は、変形例3に係る撮像システム(S)のクラウドサーバ(95)に判定部(96)が設けられる。判定部(96)は、カメラ(70)で取得した画像データに基づき、撮像対象の状態を自動的に判定する。なお、判定部(96)を通信ユニット(90)やカメラ(70)や通信端末(80)に設けることもできる。また、変形例4では、上述した変形例3と同様、空気調和装置(10)の運転動作(停止動作も含む)に連動して画像データが取得される。
変形例5は、カメラ(撮像装置(70))側の配線(内部配線(56))が第1コネクタ(56a)及び第2コネクタ(86a)を介して外部配線(86)と接続される。図20に模式的に示すように、カメラ(70)には、内部配線(56)の一端が接続される。内部配線(56)は、ケーシング(20)に設けられた挿通穴(27)を介してケーシング(20)の外部まで配設される。本例では、挿通穴(27)が点検蓋(51)に形成される。ケーシング(20)には、該挿通穴(27)の内縁と内部配線(56)との間の隙間を塞ぐための蓋などの部材が設けられてもよい。
ケーシング本体(20a)に点検蓋(51)(ケーシング部材)を装着すると、内部配線(56)の接点と、外部配線(86)の接点とが繋がる構成としてもよい。具体的には、例えば内部配線(56)の他端側と接続する第1接点部を点検蓋(51)の外縁部に設ける。点検口(50)の開口縁部に外部配線(86)の他端と接続する第2接点部を設ける。点検口(50)に点検蓋(51)を装着すると、点検蓋(51)側の第1接点部と、ケーシング本体(20a)側の第2接点部とが接触する。これにより、点検蓋(51)の装着に伴い、カメラ(70)側の内部配線(56)と外部配線(86)とを電気的に接続できる。従って、内部配線(56)と外部配線(86)とを接続する作業を省略できる。
変形例7の空気調和装置(10)は、カメラ(70)に向かって撮像対象の鏡像を形成する鏡(57)を備えている。図21に模式的に示す例では、ドレンパン(60)が撮像対象となっている。本例では、カメラ(70)のレンズ(71)とドレンパン(60)との間に他の部品(C)が介在している。このため、この部品(C)がカメラ(70)の障害物となり、カメラ(70)は、ドレンパン(60)を直接的に撮像できない。これに対し、本例では、カメラ(70)の撮像方向における前方に鏡(57)が配置され、この鏡(57)にドレンパン(60)の鏡像が形成される。つまり、カメラ(70)、撮像対象、及び鏡(57)は、鏡(57)に形成されドレンパン(60)の鏡像が、カメラ(70)に向かって形成されるように、互いの相対位置が設定される。換言すると、カメラ(70)から鏡(57)に向かう光が鏡(57)によって反射する方向が、ドレンパン(60)を向いている。従って、カメラ(70)とドレンパン(60)との間に所定の部品(C)が介在していたとしても、カメラ(70)は、鏡(57)を介してドレンパン(60)を間接的に撮像できる。
変形例8の空気調和装置(10)は、カメラ(70)の光源(72)の反射光の影響を軽減するように、カメラ(70)と反射部(R)との相対位置が設定される。図22に模式的に示す例では、ドレンパン(60)が撮像対象となっている。カメラ(70)の撮像方向において、ドレンパン(60)の裏側には反射部(R)が位置している。反射部(R)は、例えばステンレス鋼板のような、光が反射し易い金属材料で構成される。本例では、カメラ(70)の撮像方向と、反射部(R)の反射面の垂線(p)とが成す角度(図22のθa)が所定角度に設定される。θaが10°以下であると、撮像時において、カメラ(70)の光源(72)から発する光が反射部(R)に反射した際、反射光がカメラ(70)の撮像範囲に入ってしまい、画像データが不鮮明になる可能性がある。特に、カメラ(70)が自動露出調整などの光に応じた処理を行う場合、画像データが反射光の影響を強く受け、画像データが不鮮明になり易い。これに対し、θaを10°より大きくすると、反射光がカメラ(70)の撮像範囲に入り込むことを抑制でき、上記の不具合を回避できる。θaは0°より大きく80°より小さいことが好ましい。
上記実施形態のカメラ(70)は、以下のような構成であってもよい。
カメラ(70)と、該カメラ(70)が取り付けられる構成部品(例えば点検蓋(51))との間には、防振部材を介設するのが好ましい。これにより、ケーシング(20)側の振動がカメラ(70)に伝播するのを抑制できる。この結果、カメラ(70)で取得した画像データが振動の影響により不鮮明となることを回避できる。
カメラ(70)は、その内部への浸水を抑制するための防水構造を有しているのが好ましい。例えばカメラ(70)の周囲を防水用の部材で覆う。これにより、ケーシング(20)内の水(例えば凝縮水、加湿水など)の影響により、カメラ(70)が故障してしまうことを回避できる。
カメラ(70)のレンズ(71)は、広角レンズ、又は魚眼レンズであることが好ましい。なお、ここでいう広角レンズは、一般的な広角レンズに対して、画角が更に広い、いわゆる超広角レンズも含む。魚眼レンズは、180°以上の画角を有し、好ましくは220°以上の画角を有する。広角レンズや魚眼レンズは、通常のレンズと比べて、画角が広いため、レンズ(71)と撮像対象との距離が比較的短くても撮像対象を広範囲に亘って撮像できる。
カメラ(70)は、各種の自動処理を行うための自動処理部を有しているのが好ましい。具体的には、自動処理部は、オートフォーカス機能、自動露出調整機能、及びホワイトバランス調整機能の少なくとも1つの機能を実行可能に構成される。
図23に示すように、カメラ(70)は、撮像対象を照らすための光源(72)(フラッシュ)を有する。光源(72)は、カメラ(70)のレンズ(71)よりも撮像方向における後方に設けられる。光源(72)がレンズ(71)の前方に位置すると、カメラ(70)の撮像範囲の光源(72)が直接入ってしまい、光の影響に起因して画像データが不鮮明になってしまう可能性がある。これに対し、光源(72)をレンズ(71)よりも後方に設けることで、カメラ(70)の撮像範囲に光源(72)が直接入り込んでしまうことを回避できる。この結果、光源(72)の影響に起因して画像データが不鮮明になることを回避できる。
実施形態3に係る空気調和装置(10)は、天井吊り式ないし天井埋め込み式の空気調和装置である。空気調和装置(10)は、室外ユニット(図示省略)と、室内ユニット(11)とを有し、これらが冷媒配管で接続されることで、冷媒回路が構成される。
撮像装置であるカメラ(70)は、ケーシング(20)の内部において、その周囲の空気の流速が比較的小さいのが好ましい。具体的に、空気調和装置(10)の吹出口(32)から吹き出される空気の平均流速をVaとすると、カメラ(70)は、吹出空気の平均流速Vaの30%以下の空気が流れる位置に配置される。カメラ(70)の周囲の空気の流速が大きすぎると、空気中の塵埃などがカメラ(70)のレンズ(71)の表面に付着し易くなり、レンズ(71)が汚れ易くなる。これに対し、カメラ(70)の周囲の空気の流速を、吹出空気の平均流速Vaの30%以下とすると、このようなレンズ(71)の汚れを抑制できる。
上述したようなハレーションを利用して、ドレンパン(60)の水位を検出することもできる。つまり、ドレンパン(60)の水位が所定値(例えば上限の水位)に達すると、ハレーションが生じるように、カメラ(70)及びドレンパン(60)の相対位置を設定する。これにより、ハレーションが生じた画像データに基づき、ドレンパン(60)の水位が所定高さに至ったことを判定できる。
撮像装置(70)が設けられる構成部品は、上述した冷媒配管(ヘッダ集合管(47)や水配管(49))に限られない。例えば構成部品は、配管を支持するための配管固体板、熱交換器の管板、熱交換器の押さえ板などの板状の部材であってもよい。構成部品は、ファン(40)のモータを支持するモータ台、水槽(例えば上述した給水タンク)、ダクトの接続口(吹出口、吸込口)などであってもよい。これらの構成部品は、メンテナンスの際などは通常、取り外しが行われない部品である。
撮像装置(70)の撮像対象は、ドレンパン(60)及び加湿エレメント(45)以外であってもよい。例えば撮像対象は、ドレンポンプ(66)、エアフィルタ、熱交換器(例えば室内熱交換器(43))、ファン(40)、排水口(ドレンパン(60)内の排水口も含む)、ドレンパン(60)内の水の表面(水位)であってもよい。
上述した取付部(52)は、必ずしも構成部品(C)を挟み込む方式でなくてもよい。例えば取付部(52)は、例えば結束バンドや面ファスナーなど、構成部品(C)に着脱可能に巻き付けられる締付部材であってもよい。
上述した全ての形態においては、以下のような構成としてもよい。
20 ケーシング
20a ケーシング本体(本体)
40 ファン(撮像対象)
43 室内熱交換器(撮像対象)
45 加湿エレメント(撮像対象)
51a 内壁
52 取付部
53 挟持部材
55 締結部材(押付部材)
56 配線(内部配線)
56a 第1コネクタ(コネクタ)
60 ドレンパン(撮像対象)
66 ドレンポンプ(撮像対象)
70 カメラ(撮像装置)
71 レンズ
72 光源
77 無線通信部
80 受信部
86 外部配線
91 伝送線
Claims (11)
- ケーシング(20)と、
前記ケーシング(20)の内部に位置する所定の撮像対象(40,43,45,60,66)の画像データを取得する撮像装置(70)とを備え、
前記ケーシング(20)の本体(20a)には、所定の構成部品(47,49)が設けられ、
前記撮像装置(70)は、該撮像対象(40,43,45,60,66)を撮像可能な位置となるように前記構成部品(47,49)に着脱可能に取り付けられる取付部(52)を有することを特徴とする空気処理装置。 - 請求項1において、
前記取付部(52)は、
前記構成部品(47,49)を挟むように対向する一対の挟持部材(53)と、
前記一対の挟持部材(53)の間隔を狭めるように該挟持部材(53)を押し付ける押付部材(55)とを備えていることを特徴とする空気処理装置。 - 請求項1又は2において、
前記撮像装置(70)で取得した画像データを無線により前記ケーシング(20)の外部へ伝送する無線通信部(77)を備えていることを特徴とする空気処理装置。 - 請求項1乃至3のいずれか1つにおいて、
前記撮像装置(70)で取得した画像データを有線によりケーシング(20)の外部へ伝送する伝送線(91)と、
前記ケーシング(20)の外部に配置されるとともに、前記伝送線(91)の出力データを無線により所定の受信部(80)へ伝送する無線通信部(77)とを備えていることを特徴とする空気処理装置。 - 請求項1乃至4のいずれか1つにおいて、
一端が前記撮像装置(70)に接続するとともに、前記ケーシング(20)の外部まで配設される配線(56)を備え、
前記配線(56)の他端には、外部配線(86)が接続されるコネクタ(56a)が設けられることを特徴とする空気処理装置。 - 請求項1乃至5のいずれか1つにおいて、
前記撮像装置(70)は、広角式又は魚眼式のレンズ(71)を備えていることを特徴とする空気処理装置。 - 請求項1乃至6のいずれか1つにおいて、
前記撮像装置(70)は、レンズ(71)と、該レンズ(71)よりも撮像方向における後方に位置する光源(72)とを備えていることを特徴とする空気処理装置。 - 請求項1乃至7のいずれか1つにおいて、
前記撮像対象(40,43,45,60,66)は、ドレンパン(60)、排水口、ドレンポンプ(66)、フロートスイッチ、及び加湿エレメント(45)の少なくとも1つを含んでいることを特徴とする空気処理装置。 - 請求項1乃至8のいずれか1つにおいて、
前記構成部品(47,49)は、配管(47,49)であることを特徴とする空気処理装置。 - 請求項1乃至9のいずれか1つにおいて、
ケーシング(20)から吹き出される吹出空気の平均流速をVaとすると、
前記撮像装置(70)は、前記吹出空気の平均流速Vaの30%以下の空気が流れる位置に配置されることを特徴とする空気処理装置。 - 請求項1乃至10のいずれか1つにおいて、
前記撮像装置(70)のレンズ(71)は、空気流れの下流側を向いていることを特徴とする空気処理装置。
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