WO2016157311A1 - 空気調和機 - Google Patents
空気調和機 Download PDFInfo
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- WO2016157311A1 WO2016157311A1 PCT/JP2015/059697 JP2015059697W WO2016157311A1 WO 2016157311 A1 WO2016157311 A1 WO 2016157311A1 JP 2015059697 W JP2015059697 W JP 2015059697W WO 2016157311 A1 WO2016157311 A1 WO 2016157311A1
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- unit
- infrared sensors
- diagnosis
- remote controller
- indoor unit
- Prior art date
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- 238000003745 diagnosis Methods 0.000 claims abstract description 90
- 238000001514 detection method Methods 0.000 claims abstract description 80
- 230000002159 abnormal effect Effects 0.000 claims abstract description 47
- 238000004891 communication Methods 0.000 abstract description 35
- 238000012545 processing Methods 0.000 description 14
- 230000015654 memory Effects 0.000 description 13
- 230000006870 function Effects 0.000 description 12
- 238000010586 diagram Methods 0.000 description 11
- 230000005856 abnormality Effects 0.000 description 8
- 238000004378 air conditioning Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000002950 deficient Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000007791 dehumidification Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009429 electrical wiring Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Images
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
-
- 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
- F24F11/46—Improving electric energy efficiency or saving
-
- 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
-
- 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
- F24F11/52—Indication arrangements, e.g. displays
-
- 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
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/0022—Radiation pyrometry, e.g. infrared or optical thermometry for sensing the radiation of moving bodies
- G01J5/0025—Living bodies
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2120/00—Control inputs relating to users or occupants
- F24F2120/10—Occupancy
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2120/00—Control inputs relating to users or occupants
- F24F2120/10—Occupancy
- F24F2120/12—Position of occupants
Definitions
- the present invention relates to an air conditioner equipped with a human detector.
- Patent Document 1 diagnoses whether the operation state of the human detector is normal or abnormal based on the voltage level input to the signal processing unit within a set time after the power supply voltage of the human detector is turned on. An apparatus is described.
- Patent Document 2 includes means for forcibly generating a signal of a human detection sensor, operates a means for forcibly generating a signal of a human detection sensor, and detects whether the signal is generated by the human detection sensor.
- a device for diagnosing whether the operation state of the human detector is normal or abnormal is described.
- patent document 1 and patent document 2 when there is an abnormality in the sensor circuit of the human detector, the abnormality can be detected.
- the human detector is in an operating state because the human detector is defective or deteriorated. Is not normal, that is, the sensor is operating, but it is difficult to diagnose whether there is a problem in detection accuracy.
- the present invention has been made in view of the above, and an object of the present invention is to obtain an air conditioner capable of more easily and accurately performing diagnosis of the operating state of a detector.
- the present invention is an air conditioner, which is an indoor unit, an outdoor unit connected to the indoor unit, communicates with the indoor unit, and the indoor unit A remote controller that transmits a trigger signal to the detector, and a detector having a plurality of infrared sensors, and when the indoor unit receives the trigger signal, the plurality of infrared sensors of the detector are operated, A diagnostic unit that obtains the detection result of the infrared sensor, compares the obtained detection result of the infrared sensor with the detection result of the other infrared sensor, and diagnoses whether the operating state of the detector is normal or abnormal It is characterized by providing.
- Block diagram showing the configuration of the air conditioner Diagram showing each infrared sensor and turntable The figure which shows the detection processing range of the human detector
- the figure which shows an example of the remote controller with which an air conditioner is equipped The figure which shows an example of the display screen when diagnosing a human detector
- the figure which shows an example of the display screen of the result that the diagnostic result of a human detector is abnormal The figure which shows an example of the display screen of a detailed result when the diagnostic result of a human detector is abnormal
- the flowchart which shows an example of a process of the diagnostic part and remote controller in an air conditioner
- FIG. 1 is a block diagram showing a configuration of an air conditioner 1 according to Embodiment 1.
- the air conditioner 1 harmonizes indoor air.
- the air conditioner 1 is an indoor unit 10 that is installed indoors, an outdoor unit 20 that is installed outside and cools a heat medium circulating in the indoor unit 10, and a detection that detects indoor people installed in the room.
- a remote controller abbreviated as a remote controller in FIG. 1
- Embodiment 1 demonstrates the case where the human detector 30 which detects a person is used as a detector, the object to detect is not limited to a person, You may use the detector which detects things other than a person.
- Embodiment 1 the case where the indoor unit 10 and the remote controller 40 communicate with each other wirelessly will be described, but the communication between them is not limited to wireless communication.
- the indoor unit 10 and the remote controller 40 may be connected by a signal line, and both may communicate by wire.
- the indoor unit 10 and the outdoor unit 20 of the air conditioner 1 are connected by a connection pipe 21 that circulates the heat medium.
- the heat medium circulates between the indoor unit 10 and the outdoor unit 20.
- the indoor unit 10 is connected to the human detector 30 by wiring.
- the indoor unit 10 communicates wirelessly with the indoor unit control unit 14 that controls the operation of each unit of the indoor unit 10, the diagnostic unit 15 that diagnoses whether the operation state of the human detector 30 is normal or abnormal, and the remote controller 40. And a communication unit 16.
- the indoor unit control unit 14, the diagnosis unit 15, and the communication unit 16 are connected to be communicable with each other. Further, the indoor unit control unit 14 controls the outdoor unit 20 by supplying a power supply voltage to the outdoor unit 20 through electrical wiring.
- the outdoor unit 20 is operated based on an instruction output from the indoor unit control unit 14.
- the outdoor unit 20 may execute control independently of the control of the indoor unit control unit 14. Specifically, the operation condition set for the indoor unit 10 may not be included in the control condition, and the operation may be controlled based on the state of the heat medium flowing through the indoor unit 20.
- the indoor unit control unit 14 receives a command signal related to air conditioning (hereinafter referred to as a command signal) from the remote controller 40 via the communication unit 16.
- the command signal is at least one of a command for operating or stopping, a command for switching a harmony mode such as heating, cooling, and dehumidification, a command for raising or lowering a harmonized temperature, and a command for changing the direction in which air is sent out from the indoor unit 10. is there.
- the indoor unit control unit 14 changes the air conditioning setting according to the command signal, and controls the operation of each unit of the indoor unit 10 and the outdoor unit 20.
- the human detector 30 includes a plurality of infrared sensors 33a, 33b, 33c, 33d, 33e, and 33f, a turntable 34 that supports the plurality of infrared sensors 33a to 33f, and a human detector controller that controls the human detector 30. 35.
- FIG. 2 is a diagram showing each infrared sensor and a turntable.
- the infrared sensors 33a to 33f detect infrared rays emitted from an object existing in the detection range.
- the infrared sensors 33a to 33f are arranged in a straight line and fixed.
- the infrared sensors 33a to 33f may have the same specifications or different specifications.
- the turntable 34 includes a support unit that supports the infrared sensors 33a to 33f and a drive unit that rotates the support unit, and rotates the infrared sensors 33a to 33f arranged in a row.
- the turntable 34 rotates a support portion supporting the infrared sensors 33a to 33f around the rotation axis X.
- the infrared sensors 33a to 33f arranged in a row are overlapped in the direction along the rotation axis X.
- the detection ranges of the infrared sensors 33a to 33f on the turntable 34 are set as detection ranges A, B, C, D, E, and F, respectively.
- the detection directions of the infrared sensors 33a to 33f are parallel to each other on the turntable 34.
- the detection ranges A to F are moved by the rotation of the turntable 34.
- the detection ranges of the infrared sensors 33a to 33f move by the same angle as the amount of change in the rotation angle of the turntable 34 in accordance with the rotation of the turntable 34.
- Each of the infrared sensors 33a to 33f detects infrared rays emitted from an angle range of a certain height and width centering on the detection direction in the room.
- the human detector 30 detects infrared rays in the detection processing range 50 determined by the detection ranges A to F of the infrared sensors 33a to 33f and the rotation angle range of the turntable 34.
- the human detector 30 of the first embodiment has the six infrared sensors 33a to 33f, it may have at least two or more infrared sensors.
- the infrared sensors 33a to 33f are not limited to a form in which the infrared sensors 33a to 33f are linearly arranged in a line in the vertical direction, but may be a form in which the infrared sensors 33a to 33f are arranged in a plurality of lines or a curved line.
- the infrared sensors 33a to 33f are not limited to a configuration in which the infrared sensors 33a to 33f are arranged in directions parallel to each other.
- the human detector 30 may include a mechanism for moving the detection positions of the infrared sensors 33a to 33f other than the turntable 34.
- the human detector 30 may use a parallel moving table that can move in the horizontal direction instead of the turntable 34 and changes the detection range of each of the infrared sensors 33a to 33f in the horizontal direction.
- the human detector control unit 35 is communicably connected to the infrared sensors 33a to 33f, and acquires the detection results of the infrared sensors 33a to 33f. As detection results of the infrared sensors 33a to 33f, infrared detection information is exemplified.
- the human detector control unit 35 controls the rotation direction of the turntable 34.
- the human detector control unit 35 controls the orientation of the infrared sensors 33a to 33f and controls the detection range by controlling the rotation direction of the turntable 34.
- the human detector control unit 35 acquires position information (direction information) of the detection range of each of the infrared sensors 33a to 33f from the turntable 34.
- the human detector control unit 35 rotates the position detector in the rotation direction such as an encoder even if it acquires the position information of the detection ranges of the infrared sensors 33a to 33f based on the control information for controlling the position of the turntable 34.
- the position information of the detection ranges of the infrared sensors 33a to 33f may be obtained based on the information of the position detector provided on the table 34.
- the human detector control unit 35 is communicably connected to the indoor unit control unit 14.
- the human detector control unit 35 determines whether or not there is a person based on the position information of the detection ranges of the infrared sensors 33a to 33f and the detection information of infrared rays within the detection ranges (hereinafter collectively referred to as infrared information). judge.
- FIG. 3 is a diagram showing the detection processing range 50 of the human detector 30.
- the detection processing range 50 is the total of the ranges in which the infrared sensors 33a to 33f detect infrared rays while the turntable 34 changes to the rotation angles i to n.
- each of the infrared sensors 33a, 33b, 33c, 33d, 33e, 33f is detected by the detection ranges A to F and the detection ranges Ai determined by the directions of the rotation angles i. , Bi, Ci, Di, Ei and Fi are detected.
- the infrared sensors 33a to 33f detect infrared rays emitted from the detection ranges Aj to Fj, respectively.
- the turntable 34 is rotated by a rotation angle k from the reference position, each of the infrared sensors 33a to 33f detects infrared rays emitted from the detection ranges Ak to Fk, respectively.
- the infrared sensors 33a to 33f detect infrared rays emitted from the ranges Al to Fl, respectively.
- the infrared sensors 33a to 33f detect infrared rays emitted from the detection ranges Am to Fm, respectively.
- the infrared sensors 33a to 33f detect infrared rays emitted from the detection ranges An to Fn, respectively. That is, the ranges in which each of the infrared sensors 33a to 33f detects infrared rays when the turntable 34 is rotated by a predetermined rotation angle from the reference position are the detection ranges A, B, C, D, E, F and the rotation angle i, respectively.
- the total of the detection ranges in which the infrared sensors 33a to 33f can detect infrared rays while the turntable 34 changes to the rotation angles i to n is the detection processing range 50.
- the human detector 30 can detect infrared rays within the detection processing range 50.
- the detection processing range is determined in accordance with the number and arrangement of infrared sensors in the human detector, the specifications of a table that supports the infrared sensors so as to be movable, and the like.
- the human detector control unit 35 transmits to the indoor unit control unit 14 the detection result, that is, whether there is a person and where there is a person.
- the indoor unit control unit 14 determines the air conditioning setting in the indoor unit 10 based on the received result.
- the indoor unit control unit 14 does not detect a person from a state where a person is detected when the state changes from a state where no person is detected to a state where a person is detected according to a change in the detection result of the person.
- the air conditioning setting is changed.
- the human detector control unit 35 detects the position information of the detection ranges of the infrared sensors 33a to 33f and the detection information of infrared rays within the detection ranges. (Hereinafter collectively referred to as infrared information) is transmitted to the indoor unit control unit 14.
- infrared information is transmitted to the indoor unit control unit 14.
- the indoor unit control unit 14 acquires information indicating that the trigger signal has been received from the remote controller 40 from the diagnosis unit 15
- the indoor unit control unit 14 outputs the received infrared information to the diagnosis unit 15.
- the diagnosis unit 15 When receiving the trigger signal from the remote controller 40, the diagnosis unit 15 outputs information indicating that the trigger signal has been received to the indoor unit control unit 14, and receives the infrared information of each of the infrared sensors 33a to 33f from the indoor unit control unit 14. get.
- the trigger signal is a signal that serves as a trigger for the diagnosis unit 15 to start diagnosing the operating state of the human detector 30.
- the diagnosis unit 15 acquires infrared information (detection results) of the infrared sensors 33a to 33f.
- the diagnosis unit 15 diagnoses whether the operating state of the human detector 30 is normal or abnormal by comparing the detection results.
- the diagnosis unit 15 compares the detection result of one of the infrared sensors 33a to 33f with another detection result of the infrared sensors 33a to 33f, and the operating state of the human detector 30 is normal or abnormal. Diagnose.
- the diagnosis unit 15 preferably compares the detection results of the adjacent infrared sensors 33a to 33f.
- the detection result is measured by the intensity information of the detected infrared ray (hereinafter referred to as intensity information), the information of the wavelength having the strongest intensity in the detected infrared distribution (hereinafter referred to as wavelength information), and the infrared sensors 33a to 33f.
- Temperature information hereinafter referred to as temperature information).
- the diagnosis unit 15 calculates a difference between detection results of two infrared sensors selected from the infrared sensors 33a to 33f, and if the difference obtained by the calculation is equal to or less than a first threshold value, The difference is determined to be normal, and if the difference is greater than the first threshold, the difference in detection result is diagnosed as abnormal.
- the first threshold value is a reference value for determining whether the difference in detection results is normal or abnormal, and can be changed as appropriate. In the first embodiment, the first threshold is set to 5 ° C.
- the diagnosis unit 15 detects a difference in detection result between two infrared sensors adjacent to each of the infrared sensors 33a to 33f, and performs the above-described determination.
- the diagnosis unit 15 performs the diagnosis of the difference between the detection results by rotating the infrared sensors 33a to 33f with the turntable 34 and moving the measurement position, and the infrared rays described above at each position. The determination based on the comparison of the detection results between the sensors is repeated a set number of times. The diagnosis unit 15 counts the number of times that the difference between the detection results is diagnosed as abnormal. Examples of the difference in detection result include a difference in temperature information (temperature difference) measured by each of the infrared sensors 33a to 33f.
- each infrared sensor used to calculate the difference between the detection results Diagnose as normal during the period.
- the second threshold value is a reference value for determining whether the human detector 30 is normal or abnormal, and the setting can be changed as appropriate. In the first embodiment, the second threshold value is set to three.
- diagnosis result information information on the diagnosis result of the operating state of the human detector 30 (hereinafter referred to as diagnosis result information) to the remote controller 40 via the communication unit 16.
- the remote controller 40 includes a remote controller control unit (abbreviated as “remote control unit” in FIG. 1) 46 that controls the remote controller 40, an input unit 47 that receives input, a display unit 48 that performs display, and the indoor unit 10. And a communication unit 49 that communicates wirelessly.
- the remote controller control unit 46 acquires input information from the input unit 47 and receives harmony information and diagnosis result information from the indoor unit 10 via the communication unit 49.
- the remote controller control unit 46 outputs and displays at least one of the acquired input information, the received harmony information, and the diagnosis result information on the display unit 48.
- the remote controller control unit 46 converts the acquired input information into a command signal or a trigger signal and transmits it to the indoor unit 10 via the communication unit 49.
- the input unit 47 inputs the received input information to the remote controller control unit 46.
- the display unit 48 displays at least one of input information, harmonization information, and diagnosis result information output from the remote controller control unit 46.
- the indoor unit 10 and the remote controller 40 communicate information wirelessly via the communication unit 16 and the communication unit 49, respectively.
- FIG. 4 is a diagram illustrating an example of the remote controller 40 provided in the air conditioner 1.
- the remote controller 40 is provided in the housing 40a, the lower half of the housing 40a, various buttons 47a functioning as the input unit 47, the menu button 47b, the determination button 47c, the operation or stop button 47d, and the housing 40a.
- a display 48 a is provided in the upper half and functions as the display unit 48.
- the various buttons that function as the input unit 47 are all configured to output input information to the remote controller control unit 46 when pressed, but by touching, pulling, or twisting, etc. Input information may be output.
- the various buttons functioning as the input unit 47 are collectively referred to as buttons 47a to 47d.
- FIG. 5 is a diagram illustrating an example of the display screen 51 when the human detector 30 is diagnosed.
- the display 48a displays the display screen 51 by operating the buttons 47a to 47d.
- the display screen 51 has a display of “diagnosis of human detector” above the display 48a and a display of “start” and “cancel” below the display 48a.
- the enter button 47 c is pressed while the “start” display is selected, input information indicating that a trigger signal is transmitted to the indoor unit 10 is input to the remote controller control unit 46.
- the input information indicating that the trigger signal is transmitted to the indoor unit 10 is not input to the remote controller control unit 46, and the display 48a The display is switched to the initial screen including at least one of the harmony information.
- FIG. 6 is a diagram showing an example of a display screen 52 for a result indicating that the diagnosis result of the human detector 30 is normal.
- the display 48a displays the display screen 52.
- the display screen 52 has a display of “diagnosis of human detector” above the display 48a and a display of “result: normal” immediately below the display of “diagnosis of human detector”.
- FIG. 7 is a diagram showing an example of a display screen 53 of a result indicating that the diagnosis result of the human detector 30 is abnormal.
- the display 48 a displays the display screen 53.
- the display screen 53 has a display of “diagnosis of human detector” above the display 48 a and a display of “result: abnormal” immediately below the display of “diagnosis of human detector”.
- FIG. 8 is a diagram showing an example of the detailed result display screen 54 when the diagnosis result of the human detector 30 is abnormal.
- the remote controller control unit 46 causes the human detector 30 to display the detailed result.
- the display 48 a displays the display screen 54 instead of the display screen 53.
- the display screen 54 has a display of “diagnosis of human detector” above the display 48a, a display of “result: abnormal” immediately below the display of “diagnostic of human detector”, and “result: abnormal”.
- the detailed result is displayed as “detailed” and a display indicating whether the adjacent infrared sensors 33a to 33f are diagnosed as normal or abnormal, for example, “between A and B: normal”, “B Between -C: Abnormal, "C-D: Abnormal”, “D-E: Normal”, and "E-F: Normal”.
- the letters A to F correspond to the arrangement positions of the infrared sensors 33a to 33f.
- the display of the detailed result allows the user to immediately recognize that there is an abnormality in the infrared sensor 33c that has been diagnosed as abnormal between the adjacent infrared sensors 33b and 33d.
- the air conditioner 1 diagnoses whether the operating state of the human detector 30 is normal or abnormal.
- the remote controller 40 detects a user operation, the remote controller 40 displays the display screen 51 on the display 48a. The user presses the enter button 47c in a state where “start” is selected.
- the input unit 47 detects that the enter button 47 c is pressed, the remote controller 40 outputs input information indicating that a trigger signal is transmitted to the indoor unit 10 to the remote controller control unit 46.
- the remote controller control unit 46 converts the acquired input information into a trigger signal, and transmits the trigger signal to the indoor unit 10 via the communication unit 49.
- FIG. 9 is a flowchart illustrating an example of processing of the diagnosis unit 15 and the remote controller 40 in the air conditioner 1 according to Embodiment 1.
- the remote controller is abbreviated as a remote controller.
- the diagnosis unit 15 checks whether or not a trigger signal has been received from the remote controller 40 (step S11). If the diagnosis unit 15 has not received the trigger signal from the remote controller 40 via the communication unit 16 (No in step S11), the diagnosis unit 15 returns to step S11 again. When the power supply voltage of the air conditioner 1 is on, the diagnosis unit 15 repeats step S11 until a trigger signal is received, and confirms whether the trigger signal has been received.
- the diagnosis unit 15 acquires temperature information of each of the infrared sensors 33a to 33f from the indoor unit control unit 14 (step S13). Specifically, the diagnosis unit 15 outputs information indicating that the trigger signal has been received to the indoor unit control unit 14.
- the indoor unit control unit 14 transmits the infrared rays of the infrared sensors 33 a to 33 f of the human detector 30 via the human detector control unit 35.
- the indoor unit control unit 14 will be described as a case where the acquired infrared information is converted into temperature information.
- the indoor unit control unit 14 outputs the temperature information of the infrared sensors 33a to 33f obtained by the conversion to the diagnosis unit 15.
- the diagnosis unit 15 compares the acquired temperature information of each of the infrared sensors 33a to 33f.
- the diagnosis unit 15 calculates a temperature information difference (temperature difference) between adjacent infrared sensors (step S14), and calculates the temperature information difference obtained by the calculation and the first threshold value. Compare (step S15).
- the diagnosis unit 15 compares the difference between the calculated temperature information and the first threshold value (step S15).
- the diagnosis unit 15 determines that the difference in temperature information between the infrared sensors 33b and 33c and the difference in temperature information between the infrared sensors 33c and 33d are higher than a threshold, and the difference in temperature information between other adjacent infrared sensors. Gives a comparison result that is less than or equal to the threshold.
- the diagnosis unit 15 determines that the difference in detection result is normal when the difference in temperature information between adjacent infrared sensors is equal to or less than the first threshold, and the difference in detection result is greater than the first threshold. Diagnose that there is an abnormality (step S15). If the difference in temperature information is greater than the first threshold (No in step S15), the diagnosis unit 15 counts the difference in temperature information (step S16). Proceed to step S17. On the other hand, when the difference in temperature information is equal to or smaller than the first threshold (Yes in Step S15), the diagnosis unit 15 does not perform Step S16 and proceeds to Step S17.
- Step S17 If the n is less than N (No in Step S17), the diagnosis unit 15 adds 1 to the current n (Step S18), returns to Step S13, and executes Step S13 to Step S17. In this way, the diagnosis unit 15 increases n by 1 each time the difference between the detection results is diagnosed once. If n is N (Yes in step S17), the diagnosis unit 15 proceeds to step S19.
- the diagnosis unit 15 counts the difference in temperature information between the infrared sensors 33a to 33f when it is diagnosed that the difference in detection result is abnormal. Accumulate.
- the diagnosis unit 15 assumes that the total count of temperature information differences exceeds the second threshold value, and sets the difference between the infrared sensors 33a to 33f. Is normal or abnormal (step S19).
- the diagnosis unit 15 diagnoses that the human detector 30 is normal when the sum of all the counts between the infrared sensors 33a to 33f is equal to or smaller than the second threshold (Yes in step S19), and the human detector 30 Is transmitted to the remote controller 40 via the communication unit 16 (step S20).
- the remote controller control unit 46 receives diagnostic result information indicating that the operating state of the human detector 30 is normal from the indoor unit 10 via the communication unit 49.
- the display unit 48 switches the display 48a to the display screen 52 in accordance with the acquired diagnosis result information (step S21), and operates the human detector 30.
- the state diagnosis flow ends.
- the display screen 52 allows the user to recognize that the operating state of the human detector 30 has been diagnosed.
- the diagnosis unit 15 diagnoses that the human detector 30 is abnormal and detects human
- the diagnosis result information indicating that the operating state of the machine 30 is abnormal is transmitted to the remote controller 40 via the communication unit 16 (step S22).
- the remote controller control unit 46 receives diagnostic result information indicating that the operating state of the human detector 30 is abnormal from the indoor unit 10 via the communication unit 49.
- the display unit 48 switches the display 48a to the display screen 53 in accordance with the acquired diagnosis result information (step S23), and operates the human detector 30.
- the state diagnosis flow ends. Display screen 53 allows the user to recognize that the operating state of human detector 30 has been diagnosed as abnormal.
- the air conditioner 1 includes a human detector 30 having a plurality of infrared sensors 33a to 33f, and compares the detection results between the infrared sensors 33a to 33f to determine whether the operating state of the human detector 30 is normal or abnormal. Diagnose. Therefore, the first embodiment diagnoses the operating state of the human detector 30 even when the operating state of the human detector 30 is not normal because at least one of the infrared sensors 33a to 33f is defective or deteriorated. Can do.
- the operation state of the human detector 30 can be easily diagnosed by a simple operation from the remote controller 40.
- the air conditioner 1 can identify the infrared sensor that causes the operating state of the human detector 30 to be abnormal, and the user can recognize the identified infrared sensor on the display screen 54. For this reason, the first embodiment can prompt the user to replace only the infrared sensor causing the abnormality, and can improve the maintenance performance and reduce the maintenance cost.
- the diagnosis unit 15 may determine whether the human detector 30 is abnormal or may determine whether there is an abnormality between the infrared sensors of the human detector 30. For example, in the example of FIG. 8, the diagnosis unit 15 compares the infrared sensors of the human detector 30, determines that the difference in temperature information between the infrared sensors 33 a and 33 b is normal, and determines the infrared sensors 33 b and 33 b. It is determined that the difference in temperature information between the infrared sensors 33c is abnormal, the difference in temperature information between the infrared sensors 33c and 33d is determined abnormal, and the difference in temperature information between the infrared sensors 33d and 33e is normal.
- the display unit 48 displays the display screen 54 shown in FIG. 8 on the display 48a to recognize to the user that the operating state of the human detector 30 has been diagnosed as abnormal. Then, the user can be informed that the infrared sensor causing the abnormality is the infrared sensor 33c.
- the trigger signal is transmitted from the remote controller 40 to the indoor unit 10, but the present invention is not limited to this.
- a configuration may be adopted in which a trigger signal is output from the indoor unit control unit 14 to the diagnosis unit 15 every time a certain time elapses to diagnose whether the operating state of the human detector 30 is normal or abnormal.
- a trigger signal is output from the indoor unit control unit 14 to the diagnosis unit 15 to diagnose whether the operation state of the human detector 30 is normal or abnormal. May be.
- FIG. 10 is a diagram schematically illustrating the air conditioner 1 according to the first embodiment.
- the indoor unit 10 includes a processor 11, a memory 12, and a communication device 13 that communicates wirelessly.
- the memory 12 stores an indoor unit control program and a human detector diagnostic program.
- a short-range wireless communication device that performs communication within a range of several centimeters to several meters is used as the communication device 13. Examples of such devices include infrared communication standards that use infrared rays, Wi-Fi (registered trademark) standards that use radio waves, and Bluetooth (registered trademark) standards that use 2.4 GHz radio waves. .
- the human detector 30 includes a processor 31, a memory 32, infrared sensors 33a to 33f, and a turntable 34.
- the memory 32 stores a human detector control program.
- a remote controller (abbreviated as “remote control” in FIG. 10) 40 includes a processor 41, a memory 42, an input device 43 that accepts input, an output device 44 that performs output, and a communication device 45 that communicates wirelessly. .
- the memory 42 stores a remote controller control program.
- the communication device 45 is the same as the communication device 13.
- the indoor unit control unit 14 and the diagnostic unit 15 are realized by the processor 11 executing the indoor unit control program and the human detector diagnostic program stored in the memory 12, respectively. This is realized by the communication device 13.
- a plurality of processors and a plurality of memories may cooperate to realize the functions of the indoor unit control unit 14 and the diagnosis unit 15, or a system LSI (Large Scale Integration) or a plurality of processing circuits may be implemented in the indoor unit control unit 14.
- the function of the diagnosis unit 15 may be realized.
- the human detector control unit 35 is realized by the processor 31 executing a human detector control program stored in the memory 32. Further, a plurality of processors and a plurality of memories may cooperate to realize the function of the human detector control unit 35, or the system LSI or a plurality of processing circuits may realize the function of the human detector control unit 35. Good. Further, the function of the human detector control unit 35 may be realized across a plurality of devices.
- the remote controller control unit 46 is realized by the processor 41 executing the remote controller control program stored in the memory 42. Further, a plurality of processors and a plurality of memories may cooperate to realize the function of the remote controller control unit 46, or a system LSI or a plurality of processing circuits may realize the function of the remote controller control unit 46. Further, the function of the remote controller control unit 46 may be realized across a plurality of devices.
- the input unit 47 is realized by the input device 43
- the display unit 48 is realized by the output device 44
- the communication unit 49 is realized by the communication device 45.
- the configuration described in the above embodiment shows an example of the contents of the present invention, and can be combined with another known technique, and can be combined with other configurations without departing from the gist of the present invention. It is also possible to omit or change the part.
- 1 air conditioner 10 indoor unit, 11, 31, 41 processor, 12, 32, 42 memory, 13, 45 communication device, 14 indoor unit control unit, 15 diagnostic unit, 16, 49 communication unit, 20 outdoor unit, 21 Connection pipe, 30 human detector, 33a, 33b, 33c, 33d, 33e, 33f infrared sensor, 34 turntable, 35 human detector controller, 40 remote controller, 40a housing, 43 input device, 44 output device, 46 Remote controller control unit, 47 input unit, 47a various buttons, 47b menu button, 47c determination button, 47d run or stop button, 48 display unit, 48a display, 50 detection processing range, 51, 52, 53, 54 display screen.
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Abstract
Description
図1は、実施の形態1に係る空気調和機1の構成を示すブロック図である。空気調和機1は、室内の空気を調和する。空気調和機1は、室内に設置される室内機10と、室外に設置され、室内機10内を循環する熱媒を冷却する室外機20と、室内に設置され、室内の人を検知する検知機である人検知機30と、室内機10と無線で通信するリモートコントローラ(図1では、リモコンと略記する)40とを備える。実施の形態1では、検知機として人を検知する人検知機30を用いる場合について説明するが、検知する対象は人に限定されず、人以外の物を検知する検知機を用いてもよい。実施の形態1では、室内機10とリモートコントローラ40とが無線で通信する場合について説明するが、両者の通信は無線に限定されない。室内機10とリモートコントローラ40とは信号線で接続され、両者は有線で通信してもよい。空気調和機1の室内機10と室外機20とは、熱媒を循環させる接続配管21で接続されている。熱媒は、室内機10と室外機20との間で循環する。室内機10は、配線で人検知機30と接続されている。
Claims (4)
- 室内機と、
前記室内機に接続された室外機と、
前記室内機と通信し、前記室内機へトリガ信号を送信するリモートコントローラと、
複数の赤外線センサを有する検知機と、を備え、
前記室内機は、前記トリガ信号を受信した場合、前記検知機の複数の前記赤外線センサを稼動させ、複数の前記赤外線センサの検出結果を取得し、取得した前記赤外線センサの検出結果と他の前記赤外線センサの検出結果とを比較し、前記検知機の作動状態が正常か異常かを診断する診断部を備えることを特徴とする空気調和機。 - 前記室内機は、前記検知機の診断結果を前記リモートコントローラに送信し、
前記リモートコントローラは、受信した前記診断結果を表示する表示部を備えることを特徴とする請求項1に記載の空気調和機。 - 前記検出結果は、前記赤外線センサが測定した温度情報であることを特徴とする請求項1または2に記載の空気調和機。
- 前記診断部は、隣接する前記赤外線センサが測定した温度情報を比較し、前記温度情報の差異が設定した閾値以上である場合、異常であると判定することを特徴とする請求項3に記載の空気調和機。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
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US15/538,815 US10465933B2 (en) | 2015-03-27 | 2015-03-27 | Air conditioner |
EP15862146.6A EP3098534B1 (en) | 2015-03-27 | 2015-03-27 | Air conditioner |
CN201580076240.2A CN107250680B (zh) | 2015-03-27 | 2015-03-27 | 空气调节机 |
JP2017508844A JP6498275B2 (ja) | 2015-03-27 | 2015-03-27 | 空気調和機 |
PCT/JP2015/059697 WO2016157311A1 (ja) | 2015-03-27 | 2015-03-27 | 空気調和機 |
Applications Claiming Priority (1)
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PCT/JP2015/059697 WO2016157311A1 (ja) | 2015-03-27 | 2015-03-27 | 空気調和機 |
Publications (1)
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WO2016157311A1 true WO2016157311A1 (ja) | 2016-10-06 |
Family
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PCT/JP2015/059697 WO2016157311A1 (ja) | 2015-03-27 | 2015-03-27 | 空気調和機 |
Country Status (5)
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US (1) | US10465933B2 (ja) |
EP (1) | EP3098534B1 (ja) |
JP (1) | JP6498275B2 (ja) |
CN (1) | CN107250680B (ja) |
WO (1) | WO2016157311A1 (ja) |
Cited By (1)
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JP2021139580A (ja) * | 2020-03-06 | 2021-09-16 | 富士電機株式会社 | 給気システム |
Families Citing this family (4)
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KR102560458B1 (ko) * | 2017-02-03 | 2023-07-26 | 엘지전자 주식회사 | 공기조화기 시스템 및 그 제어방법 |
CN110906507A (zh) * | 2018-09-18 | 2020-03-24 | 珠海格力电器股份有限公司 | 一种空调故障处理方法及装置 |
CN111322729B (zh) * | 2018-12-17 | 2022-02-01 | 浙江盾安自控科技有限公司 | 空调控制方法、装置、系统、设备和存储介质 |
CN109631265B (zh) * | 2018-12-29 | 2020-09-29 | 同济大学 | 大型公共空间舒适度智能调节系统 |
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CN107250680A (zh) | 2017-10-13 |
CN107250680B (zh) | 2019-08-27 |
US10465933B2 (en) | 2019-11-05 |
EP3098534B1 (en) | 2019-08-28 |
EP3098534A4 (en) | 2017-04-12 |
JPWO2016157311A1 (ja) | 2017-07-27 |
JP6498275B2 (ja) | 2019-04-10 |
EP3098534A1 (en) | 2016-11-30 |
US20170363313A1 (en) | 2017-12-21 |
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