CN111964229A - Method and device for controlling temperature of air conditioner filter screen and air conditioner - Google Patents
Method and device for controlling temperature of air conditioner filter screen and air conditioner Download PDFInfo
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- CN111964229A CN111964229A CN202010743841.7A CN202010743841A CN111964229A CN 111964229 A CN111964229 A CN 111964229A CN 202010743841 A CN202010743841 A CN 202010743841A CN 111964229 A CN111964229 A CN 111964229A
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- 238000000034 method Methods 0.000 title claims abstract description 54
- 239000003507 refrigerant Substances 0.000 claims abstract description 81
- 238000010438 heat treatment Methods 0.000 claims abstract description 62
- 230000001276 controlling effect Effects 0.000 claims abstract description 29
- 230000001105 regulatory effect Effects 0.000 claims abstract description 26
- 238000012937 correction Methods 0.000 claims description 65
- 239000007788 liquid Substances 0.000 claims description 35
- 229910020875 Pn−1−Pn−2 Inorganic materials 0.000 claims description 4
- 229910020873 Pn−2−Pn−3 Inorganic materials 0.000 claims description 4
- 238000005265 energy consumption Methods 0.000 abstract description 14
- 238000010586 diagram Methods 0.000 description 14
- 238000003860 storage Methods 0.000 description 13
- 239000000428 dust Substances 0.000 description 10
- 230000001954 sterilising effect Effects 0.000 description 8
- 238000004659 sterilization and disinfection Methods 0.000 description 7
- 241000894006 Bacteria Species 0.000 description 6
- 238000005485 electric heating Methods 0.000 description 6
- 230000006870 function Effects 0.000 description 6
- 238000004891 communication Methods 0.000 description 5
- 238000004378 air conditioning Methods 0.000 description 4
- 238000004590 computer program Methods 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 230000003750 conditioning effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000009928 pasteurization Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
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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
- F24F11/62—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
- F24F11/64—Electronic processing using pre-stored data
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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
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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
- F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
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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
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/86—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling compressors within refrigeration or heat pump circuits
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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
- F24F13/28—Arrangement or mounting of filters
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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
- F24F2140/00—Control inputs relating to system states
- F24F2140/20—Heat-exchange fluid temperature
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- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
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Abstract
The application relates to the technical field of air conditioners and discloses a method for controlling the temperature of an air conditioner filter screen, wherein the air conditioner comprises a temperature adjusting pipeline which conducts heat of a refrigerant to the filter screen, and the method comprises the following steps: determining a target heating duty ratio according to the temperature of the temperature regulating pipeline and the target temperature of the filter screen; and controlling the running time of the compressor according to the target heating duty ratio. The temperature of the filter screen is adjusted by utilizing the heat of the refrigerant in the operation of the air conditioner, the refrigerant is guided back to the refrigerant flow path of the air conditioner by the temperature adjusting pipeline, the operation time of the compressor is adjusted by utilizing the heat of the refrigerant of the air conditioner, an additional temperature adjusting structure is not required to be additionally arranged, and the energy consumption is saved. The application also discloses a device and an air conditioner for controlling the temperature of the air conditioner filter screen.
Description
Technical Field
The present application relates to the field of air conditioner technology, and for example, to a method and an apparatus for controlling the temperature of an air conditioner filter screen, and an air conditioner.
Background
At present, for solving and breeding the bacterium easily after accumulating the dust on the air conditioner filter screen, partial dust and bacterium still probably get into indoorly along with the air current, influence the problem of the quality of room air, prior art provides an air conditioner filter screen structure and includes electric heating wire, heat for electric heating wire through external power supply, the heat that generates heat with electric heating wire makes the dust of gluing on the filter screen body surface dry to the dust of being convenient for drops from filter screen body, in order to avoid long-time accumulation to breed the bacterium.
In the process of implementing the embodiments of the present disclosure, it is found that at least the following problems exist in the related art:
the energy consumption is high in the process of heating the air conditioner filter screen by using the electric heating wire.
Disclosure of Invention
The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview nor is intended to identify key/critical elements or to delineate the scope of such embodiments but rather as a prelude to the more detailed description that is presented later.
The embodiment of the disclosure provides a method and a device for controlling the temperature of an air conditioner filter screen and an air conditioner, and aims to solve the problem of high energy consumption in the process of heating the air conditioner filter screen by using an electric heating wire.
In some embodiments, the method comprises:
determining a target heating duty ratio according to the temperature of the temperature regulating pipeline and the target temperature of the filter screen;
and controlling the running time of the compressor according to the target heating duty ratio.
In some embodiments, the apparatus includes a processor and a memory storing program instructions, including a processor and a memory storing program instructions, the processor configured to perform the above-described method for air conditioner screen temperature control when executing the program instructions.
In some embodiments, the air conditioner includes an indoor heat exchanger, an outdoor heat exchanger, a filter screen, and a refrigerant circulation loop, and further includes:
the liquid inlet pipeline is communicated with a refrigerant outlet of the indoor heat exchanger or the outdoor heat exchanger;
the temperature adjusting pipeline is communicated with the liquid inlet pipeline and is configured to conduct heat of the refrigerant to the filter screen;
a liquid outlet pipeline which is communicated with the temperature adjusting pipeline and a refrigerant inlet of the indoor heat exchanger or the outdoor heat exchanger and is configured to guide the refrigerant into the refrigerant circulating loop from the temperature adjusting pipeline; and the device for controlling the temperature of the air conditioner filter screen.
The method and the device for controlling the temperature of the air conditioner filter screen and the air conditioner provided by the embodiment of the disclosure can realize the following technical effects:
the temperature of the filter screen is adjusted by utilizing the heat of the refrigerant in the operation of the air conditioner, the refrigerant is guided back to the refrigerant flow path of the air conditioner by the temperature adjusting pipeline, the operation time of the compressor is adjusted to adjust the temperature of the filter screen by utilizing the heat of the refrigerant of the air conditioner, an additional temperature adjusting structure is not required to be additionally arranged, and the energy consumption is saved.
The foregoing general description and the following description are exemplary and explanatory only and are not restrictive of the application.
Drawings
One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the accompanying drawings and not in limitation thereof, in which elements having the same reference numeral designations are shown as like elements and not in limitation thereof, and wherein:
FIG. 1 is a schematic diagram of a method for temperature control of an air conditioner screen according to an embodiment of the present disclosure;
FIG. 2a is a schematic diagram of an air conditioner according to an embodiment of the present disclosure;
FIG. 2b is a schematic diagram of another air conditioner provided by an embodiment of the present disclosure;
fig. 2c is a schematic view of another air conditioner provided in the embodiment of the present disclosure;
FIG. 3 is a schematic diagram of another method for temperature control of an air conditioner screen according to an embodiment of the present disclosure;
fig. 4 is a schematic view of another device for controlling the temperature of an air conditioner filter screen according to an embodiment of the disclosure.
Detailed Description
So that the manner in which the features and elements of the disclosed embodiments can be understood in detail, a more particular description of the disclosed embodiments, briefly summarized above, may be had by reference to the embodiments, some of which are illustrated in the appended drawings. In the following description of the technology, for purposes of explanation, numerous details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may be practiced without these details. In other instances, well-known structures and devices may be shown in simplified form in order to simplify the drawing.
The terms "first," "second," and the like in the description and in the claims, and the above-described drawings of embodiments of the present disclosure, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the present disclosure described herein may be made. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.
The term "plurality" means two or more unless otherwise specified.
In the embodiment of the present disclosure, the character "/" indicates that the preceding and following objects are in an or relationship. For example, A/B represents: a or B.
The term "and/or" is an associative relationship that describes objects, meaning that three relationships may exist. For example, a and/or B, represents: a or B, or A and B.
As shown in fig. 2a, 2b and 2c, an embodiment of the present disclosure provides a new air conditioner structure, which aims to adjust the temperature of a filter screen by using heat of a refrigerant during operation of an air conditioner, so as to solve the problem of high energy consumption during heating the air conditioner filter screen by using an electric heating wire.
Fig. 2a is a schematic diagram of an air conditioner according to an embodiment of the present disclosure. The air conditioner provided by the embodiment comprises: an indoor heat exchanger 21, an outdoor heat exchanger 22, a liquid inlet pipeline 23, a temperature adjusting pipeline 24, a liquid outlet pipeline 25, a throttling element 26, a four-way valve 27, a compressor 28 and a filter screen (not shown in the figure).
The indoor heat exchanger 21, the outdoor heat exchanger 22, the throttle element 26, the four-way valve 27, and the compressor 28 form a refrigerant circulation circuit.
The liquid inlet line 23 communicates with a refrigerant outlet of the outdoor heat exchanger 22.
And a temperature adjusting line 24 communicating with the liquid inlet line 23 and configured to transfer heat of the refrigerant to the filter.
The liquid outlet line 25 communicates the temperature control line 24 with the refrigerant inlet of the exterior heat exchanger 22, and is configured to introduce the refrigerant from the temperature control line 24 into the refrigerant circulation circuit.
For the regions with humid summer environment, the air conditioner provided in fig. 2a can perform sterilization operation on the air conditioner filter screen in the cooling mode. The outdoor heat exchanger 22 is a condenser, the refrigerant in the refrigerant circuit flows in the direction of a → E → D → C → B → F → a, the refrigerant flows into the outdoor heat exchanger 22 from E to release heat and become a liquid refrigerant with higher temperature, then the liquid refrigerant enters the temperature adjusting pipeline 24 through the liquid inlet pipeline 23, the temperature adjusting pipeline 24 transmits the heat of the refrigerant to the filter screen, and the temperature of the filter screen is increased to achieve the purpose of sterilization.
In the embodiment of the disclosure, the temperature of the filter screen is adjusted by using the heat of the refrigerant in the operation of the air conditioner, the refrigerant is guided back to the refrigerant flow path of the air conditioner by the temperature adjusting pipeline, the operation time of the compressor is adjusted to adjust the temperature of the filter screen by using the heat of the refrigerant of the air conditioner, an additional temperature adjusting structure is not required to be additionally arranged, and the energy consumption is saved.
Fig. 2b is a schematic diagram of another air conditioner provided in the embodiments of the present disclosure. The air conditioner provided by the embodiment comprises: an indoor heat exchanger 21, an outdoor heat exchanger 22, a liquid inlet pipeline 23, a temperature adjusting pipeline 24, a liquid outlet pipeline 25, a throttling element 26, a four-way valve 27, a compressor 28 and a filter screen (not shown in the figure).
The indoor heat exchanger 21, the outdoor heat exchanger 22, the throttle element 26, the four-way valve 27, and the compressor 28 form a refrigerant circulation circuit.
The liquid inlet pipe 23 communicates with a refrigerant outlet of the indoor heat exchanger 21.
And a temperature adjusting line 24 communicating with the liquid inlet line 23 and configured to transfer heat of the refrigerant to the filter.
The liquid outlet line 25 communicates the temperature control line 24 with the refrigerant inlet of the indoor heat exchanger 21, and is configured to introduce the refrigerant from the temperature control line 24 into the refrigerant circulation circuit.
Aiming at the areas with humid environments in winter, the air conditioner provided by the figure 3 can realize the sterilization operation of the air conditioner filter screen in the heating mode. The indoor heat exchanger 21 is a condenser, the refrigerant in the refrigerant circuit flows in the direction of a → B → C → D → E → F → a, the refrigerant flows into the indoor heat exchanger 21 from E to release heat and become a liquid refrigerant with higher temperature, then the liquid refrigerant enters the temperature adjusting pipeline 24 through the liquid inlet pipeline 23, the temperature adjusting pipeline 24 transmits the heat of the refrigerant to the filter screen, and the temperature of the filter screen is increased to achieve the purpose of sterilization.
In the embodiment of the disclosure, the temperature of the filter screen is adjusted by using the heat of the refrigerant in the operation of the air conditioner, the refrigerant is guided back to the refrigerant flow path of the air conditioner by the temperature adjusting pipeline, the operation time of the compressor is adjusted to adjust the temperature of the filter screen by using the heat of the refrigerant of the air conditioner, an additional temperature adjusting structure is not required to be additionally arranged, and the energy consumption is saved.
Fig. 2c is a schematic diagram of another air conditioner provided by the embodiment of the disclosure. The air conditioner provided by the embodiment comprises: an indoor heat exchanger 21, an outdoor heat exchanger 22, a liquid inlet pipeline 23, a temperature adjusting pipeline 24, a liquid outlet pipeline 25, a throttling element 26, a four-way valve 27, a compressor 28 and a filter screen (not shown in the figure).
The liquid inlet pipe 23 is communicated with a refrigerant outlet of the indoor heat exchanger 21 or the outdoor heat exchanger 22. And a temperature adjusting line 24 communicating with the liquid inlet line 23 and configured to transfer heat of the refrigerant to the filter. The liquid outlet line 25 communicates the temperature control line 24 with the refrigerant inlet of the indoor heat exchanger 21 or the outdoor heat exchanger 22, and is configured to introduce the refrigerant from the temperature control line 24 into the refrigerant circulation circuit. Namely, the temperature adjusting pipeline 24 can be respectively connected with the indoor heat exchanger 21 and the outdoor heat exchanger 22, so that the filter screen can be heated, and the filter screen can be cooled.
In the embodiment of the disclosure, the temperature of the filter screen is adjusted by using the heat of the refrigerant in the operation of the air conditioner, the refrigerant is guided back to the refrigerant flow path of the air conditioner by the temperature adjusting pipeline, the operation time of the compressor is adjusted to adjust the temperature of the filter screen by using the heat of the refrigerant of the air conditioner, an additional temperature adjusting structure is not required to be additionally arranged, and the energy consumption is saved.
In some embodiments, the air conditioner further comprises: a fixing member configured to fix the temperature adjusting line on and in contact with the filter screen.
In some embodiments, the liquid inlet pipeline is communicated with the refrigerant outlet of the indoor heat exchanger or the refrigerant outlet of the outdoor heat exchanger through a first three-way valve. The liquid outlet pipe is communicated with a refrigerant inlet of the indoor heat exchanger or a refrigerant inlet of the outdoor heat exchanger through a second three-way valve. When the liquid inlet pipeline is connected with the refrigerant outlet of the indoor heat exchanger through the first three-way valve, the liquid outlet pipeline is connected with the refrigerant inlet of the indoor heat exchanger through the second three-way valve. When the liquid inlet pipeline is connected with the refrigerant outlet of the outdoor heat exchanger through the first three-way valve, the liquid outlet pipeline is connected with the refrigerant inlet of the outdoor heat exchanger through the second three-way valve.
The following is a schematic flow chart of a method for controlling the temperature of an air conditioner filter screen provided by an embodiment of the present disclosure, and the following method controls the air conditioner provided by the above embodiment.
Fig. 1 is a schematic diagram of a method for controlling a temperature of a screen of an air conditioner according to an embodiment of the present disclosure, where the air conditioner includes a temperature control circuit for transferring heat of a refrigerant to the screen. As shown in fig. 1, the method comprises the steps of:
s101, determining a target heating duty ratio according to the temperature of the temperature adjusting pipeline and the target temperature of the filter screen. Wherein the target temperature of the filter screen is the target heating temperature of the filter screen. The controller of the air conditioner obtains the target heating temperature of the filter screen and the temperature of the temperature adjusting pipeline, and determines the target heating duty ratio according to the temperature adjusting pipeline temperature and the target temperature of the filter screen.
Optionally, the controller receives a target screen temperature manually set by a user. Optionally, the air conditioning system is preset with a filter screen temperature adjustment mode and a corresponding filter screen target temperature. The controller receives a filter screen temperature adjusting mode instruction, and acquires a corresponding filter screen target temperature according to the filter screen temperature adjusting mode.
In different embodiments, the target temperature of the filter screen has different values.
In some embodiments, the first target temperature is determined with the purpose of drying dust on the surface of the screen body. According to filter screen target temperature regulation filter screen temperature, the messenger glues the dust that covers on filter screen body surface dry to the dust of being convenient for drops from filter screen body, breeds the bacterium in order to avoid long-time accumulation.
In some embodiments, the second target temperature is determined for sterilization purposes based on the high temperature pasteurization principle. Optionally, the second target temperature is 55 ℃ to 70 ℃. Optionally, the second target temperature is 56 ℃, 58 ℃, 60 ℃, 62 ℃, 64 ℃, 66 ℃ or 68 ℃. Specifically, the second target temperature is determined based on the indoor ambient humidity. The greater the indoor ambient humidity, the greater the second target temperature. Wherein the second target temperature is greater than the first target temperature. Under the great condition of long-time unclean filter screen or indoor environment humidity, easily breed the bacterium on the filter screen, control filter screen temperature reaches higher second target temperature, not only can make the dust of cladding on filter screen body surface dry, can also eliminate the bacterium.
In some embodiments, step S101 comprises: determining a target duty ratio correction value according to the temperature of the temperature regulating pipeline and the target temperature of the filter screen; and determining the target heating duty ratio according to the current heating duty ratio and the target duty ratio correction value.
In the embodiment of the disclosure, the target heating duty ratio is determined by integrating the target temperature of the filter screen and the temperature of the temperature regulating pipeline. In various embodiments, the target heating duty cycle may be determined in accordance with other parameters.
Optionally, the target heating duty ratio is determined according to the filter screen temperature and the filter screen target temperature acquired in real time. The target heating duty ratio is adjusted according to the temperature of the filter screen, the temperature of the filter screen is actually measured, and the accuracy of temperature control of the filter screen is improved.
Optionally, the target heating duty ratio is determined according to the temperature of the temperature adjusting pipeline, the filter screen temperature obtained in real time and the filter screen target temperature. According to the temperature of the temperature adjusting pipeline and the temperature of the filter screen acquired in real time, the energy consumption of the air conditioning system and the control accuracy of the temperature of the filter screen can be considered, and whether the temperature adjusting pipeline is abnormal or not can be found in time. For example: when the difference between the temperature of the temperature adjusting pipeline and the temperature of the filter screen acquired in real time is large, the heat loss is large, and a user can be prompted to check the temperature adjusting pipeline in time.
In some embodiments, determining the target heating duty cycle according to the temperature regulating pipeline temperature, the filter screen temperature obtained in real time and the filter screen target temperature includes: determining the adjusting temperature according to the temperature of the temperature adjusting pipeline and the temperature of the filter screen obtained in real time; and determining a target duty ratio correction value according to the adjusting temperature and the target temperature of the filter screen. Optionally, the temperature adjustment is an average value of the temperature adjustment pipeline and the temperature of the filter screen obtained in real time, or a larger temperature value of the temperature adjustment pipeline and the temperature of the filter screen obtained in real time, or a smaller temperature value of the temperature adjustment pipeline and the temperature of the filter screen obtained in real time.
In some embodiments, determining the target duty cycle correction value based on the temperature conditioning circuit temperature and the target screen temperature comprises: determining a first duty ratio correction value and a second duty ratio correction value according to the temperature of the temperature regulating pipeline and the target temperature of the filter screen; determining a target duty cycle correction value based on the first duty cycle correction value and the second duty cycle correction value.
In some embodiments, the target duty cycle correction value is determined according to the following relationship:
wherein, ToutfIs a target duty cycle correction value; t isout1Is a first duty cycle correction value; t isout2Is a second duty cycle correction value.
In some embodiments, the first duty cycle correction value is determined according to the following relationship:
Tout1＝Out_gain1*(Kp1*Dn+Ki1*Pn+Kd1*(Dn－Dn-1)；
wherein, Out _ gain1Is the duty cycle output coefficient; kp1Is a proportional control quantity; ki1Is an integral control quantity; kd1Is a differential control amount; dn＝Pn-Pn-1；Dn-1＝Pn-1-Pn-2；PnThe difference value of the current temperature regulating pipeline temperature and the target temperature of the filter screen is obtained; pn-1The difference value between the temperature of the previous temperature adjusting pipeline and the target temperature of the filter screen is obtained; pn-2To calculate Pn-1The difference between the previous temperature regulating pipeline temperature and the target filter screen temperature.
In some embodiments, the second duty cycle correction value is determined according to the following relationship:
Tout2＝Out_gain1*(Kp1*Dn-1+Ki1*Pn-1+Kd1*(Dn-1－Dn-2)；
wherein D isn-2＝Pn-2-Pn-3；Pn-3To calculate Pn-2The difference between the previous temperature regulating pipeline temperature and the target filter screen temperature.
In some embodiments, determining a target heating duty cycle from a current heating duty cycle and the target duty cycle correction value comprises: and adding the current heating duty ratio and the target duty ratio correction value to obtain a target duty ratio.
And S102, controlling the running time of the compressor according to the target heating duty ratio. This application utilizes the heat adjustment air conditioner filter screen temperature of air conditioner self refrigerant, and the air conditioner is based on the pipeline temperature that adjusts the temperature and the definite target heating duty cycle of filter screen target temperature to according to the operating duration of target heating duty cycle control compressor, can improve the thermal utilization ratio of refrigerant, reduce the energy consumption among the heat transmission process between the pipeline and the filter screen of adjusting the temperature, effective control air conditioner filter screen temperature has improved degerming efficiency.
In some embodiments, controlling the run time of the compressor according to the target heating duty cycle comprises: and controlling the running time of the compressor in unit time according to the duty ratio.
In some embodiments, the compressor is controlled to operate at a set operating frequency. Optionally, the compressor operates at a higher set operating frequency within the operating duration and at a set minimum operating frequency within a time other than the operating duration, so that wear of the compressor due to frequent shutdown of the compressor is avoided, and the service life of the compressor is prolonged.
Wherein, the set working frequency is determined according to the temperature adjusting mode of the air conditioner filter screen. For example: when air conditioner filter screen temperature regulation mode used the dust drying on messenger's filter screen body surface as the purpose, the control compressor was with the first operating frequency operation that sets for, and when air conditioner filter screen temperature regulation mode used the degerming as the purpose, the control compressor was with the second operating frequency operation that sets for. Because the temperature that reaches degerming purpose needs is higher, the second is set for operating frequency and is greater than first operating frequency of setting for to guarantee that air conditioner filter screen temperature satisfies corresponding demand.
According to the temperature control device and the temperature control method, the temperature of the filter screen is adjusted by utilizing the heat of the refrigerant in the operation of the air conditioner, the refrigerant is guided back to the refrigerant flow path of the air conditioner through the temperature control pipeline, the operation time of the compressor is adjusted to adjust the temperature of the filter screen by utilizing the heat of the refrigerant of the air conditioner, an additional temperature control structure is not needed to be additionally arranged, and the energy consumption is saved.
In some embodiments, the method for air conditioner screen temperature control further comprises: under the condition that the temperature of the temperature adjusting pipeline is within a set temperature range, determining a target wind speed according to the temperature of the temperature adjusting pipeline and the target temperature of the filter screen; and adjusting the rotating speed of the fan according to the target wind speed. The air conditioner comprehensively adjusts the running time of the compressor and the rotating speed of the fan, can maintain the stability of the temperature of the filter screen, avoids the over-low or over-high temperature of the filter screen, and improves the sterilization efficiency and the energy efficiency of the filter screen.
Fig. 3 is a schematic diagram of another method for controlling the temperature of a screen of an air conditioner according to an embodiment of the present disclosure, in which the air conditioner includes a temperature control circuit for transferring heat of a refrigerant to the screen. As shown in fig. 3, the method comprises the steps of:
s301, determining the temperature range of the temperature adjusting pipeline.
S302, under the condition that the temperature of the temperature adjusting pipeline is within the first temperature range, determining a target heating duty ratio and a target wind speed according to the temperature of the temperature adjusting pipeline and the target temperature of the filter screen.
In the embodiment of the disclosure, the target heating duty ratio and the target wind speed are determined by integrating the target temperature of the filter screen and the temperature of the temperature adjusting pipeline. In various embodiments, the target heating duty cycle and the target wind speed may be determined as a function of other parameters.
Exemplified by determining a target heating duty cycle. Optionally, the target heating duty ratio is determined according to the filter screen temperature and the filter screen target temperature acquired in real time. Optionally, the target heating duty ratio is determined according to the temperature of the temperature adjusting pipeline, the filter screen temperature obtained in real time and the filter screen target temperature.
In some embodiments, determining the target heating duty cycle according to the temperature regulating pipeline temperature, the filter screen temperature obtained in real time and the filter screen target temperature includes: determining the adjusting temperature according to the temperature of the temperature adjusting pipeline and the temperature of the filter screen obtained in real time; and determining a target duty ratio correction value according to the adjusting temperature and the target temperature of the filter screen. Optionally, the temperature adjustment is an average value of the temperature adjustment pipeline and the temperature of the filter screen obtained in real time, or a larger temperature value of the temperature adjustment pipeline and the temperature of the filter screen obtained in real time, or a smaller temperature value of the temperature adjustment pipeline and the temperature of the filter screen obtained in real time.
According to the embodiment of the disclosure, the target heating duty ratio and the target wind speed are determined by taking the target temperature of the filter screen and the target temperature of the temperature adjusting pipeline as examples, and when the target heating duty ratio is determined according to the real-time acquired temperature of the filter screen and the target temperature of the filter screen, or the target heating duty ratio is determined according to the temperature adjusting pipeline temperature, the real-time acquired temperature of the filter screen and the target temperature of the filter screen, the adaptive adjustment can be performed on the control process, so that the temperature adjusting accuracy of the air conditioner filter screen is improved, and the temperature of the air conditioner.
And S303, controlling the running time of the compressor according to the target heating duty ratio, and adjusting the rotating speed of the fan according to the target wind speed.
The running time of the compressor and the rotating speed of the fan are comprehensively adjusted, the stability of the temperature of the filter screen can be maintained, the temperature of the filter screen is prevented from being too low or too high, and the degerming efficiency and the energy efficiency of the filter screen are improved.
In some embodiments, the compressor is controlled to operate at a set operating frequency. Wherein, the set working frequency is determined according to the temperature adjusting mode of the air conditioner filter screen. For example: when air conditioner filter screen temperature regulation mode used the dust drying on messenger's filter screen body surface as the purpose, the control compressor was with the first operating frequency operation that sets for, and when air conditioner filter screen temperature regulation mode used the degerming as the purpose, the control compressor was with the second operating frequency operation that sets for. Because the temperature that reaches degerming purpose needs is higher, the second is set for operating frequency and is greater than first operating frequency of setting for to guarantee that air conditioner filter screen temperature satisfies corresponding demand.
S304, under the condition that the temperature of the temperature adjusting pipeline is in the second temperature range, determining a target heating duty ratio according to the temperature of the temperature adjusting pipeline and the target temperature of the filter screen.
And S305, controlling the running time of the compressor according to the target heating duty ratio.
Wherein the temperature value in the second temperature range is smaller than the temperature value in the first temperature range. The first temperature range and the second temperature range are determined according to a target temperature of the filter screen. The target temperature of the filter screen is greater than the minimum value of the first temperature range and less than or equal to the maximum value of the first temperature range. I.e. the temperature value in the first temperature range is closer to the target screen temperature.
In some embodiments, the method further comprises: and under the condition that the temperature of the temperature adjusting pipeline is less than the temperature value in the second temperature range, controlling the running time of the compressor according to the duty ratio of 100%. When the temperature of the temperature adjusting pipeline is smaller than the temperature value within the second temperature range, the difference value between the temperature of the temperature adjusting pipeline and the target temperature of the filter screen is large, the compressor is controlled to operate according to the duty ratio of 100%, and the filter screen can be rapidly heated.
Under the condition that the temperature of the temperature adjusting pipeline is within the first temperature range, the temperature of the temperature adjusting pipeline is close to the target temperature of the air conditioner filter screen, the target heating duty ratio and the target air speed are determined according to the temperature of the temperature adjusting pipeline and the target temperature of the filter screen, the phenomenon that the energy consumption of an air conditioning system is increased due to the fact that the temperature of the filter screen is too high is avoided, and the sterilization efficiency is.
In the temperature adjusting process of the air conditioner filter screen, different air conditioner filter screen temperature control schemes are determined based on the temperature range of the temperature adjusting pipeline temperature, so that the temperature control of the air conditioner filter screen is optimized.
In one embodiment, for example, the target screen temperature is 56 ℃, the first temperature range is [ T1, T2 ], and the second temperature range is [ T0, T1 ]. Wherein T0 is 45 ℃, T1 is 54 ℃ and T2 is 58 ℃.
And when the temperature of the temperature adjusting pipeline is lower than the temperature value in the second temperature range, namely lower than 45 ℃, the compressor is controlled to operate according to the duty ratio of 100 percent, so that the filter screen is rapidly heated.
And when the temperature of the temperature adjusting pipeline is in a second temperature range, namely, the temperature is more than or equal to 45 ℃ and less than 54 ℃, determining a target heating duty ratio according to the temperature of the temperature adjusting pipeline and the target temperature of the filter screen, and controlling the running time of the compressor according to the target heating duty ratio.
When the temperature of the temperature adjusting pipeline is within a first temperature range, namely, the temperature is greater than or equal to 54 ℃ and less than 58 ℃, a target heating duty ratio and a target air speed are determined according to the temperature of the temperature adjusting pipeline and the target temperature of the filter screen, the running time of the compressor is controlled according to the target heating duty ratio, and the rotating speed of the fan is adjusted according to the target air speed. At the moment, the temperature of the temperature adjusting pipeline is close to the target temperature of the air conditioner filter screen, the target heating duty ratio and the target air speed are determined according to the temperature adjusting pipeline temperature and the target temperature of the filter screen, the phenomenon that the energy consumption of an air conditioning system is increased due to the fact that the temperature of the filter screen is too high is avoided, and the degerming efficiency is improved.
In the embodiment of the disclosure, the temperature control scheme is determined according to the temperature range of the temperature regulating pipeline, so that the temperature control process of the filter screen can be optimized. And when the temperature of the temperature adjusting pipeline is in the second temperature range, the target heating duty ratio is determined by integrating the temperature of the temperature adjusting pipeline and the target temperature of the filter screen, so that the running time of the compressor is controlled according to the target heating duty ratio, and the filter screen is controlled to be rapidly heated. Under the condition that the temperature of the temperature adjusting pipeline is within the first temperature range, the target heating duty ratio and the target air speed are determined by integrating the temperature of the temperature adjusting pipeline and the target temperature of the filter screen, the running time of the compressor is controlled according to the target heating duty ratio, the phenomenon that the filter screen is too hot due to overlong heating time and the energy consumption is increased is avoided, the rotating speed of the fan is adjusted according to the target air speed, the stability of the temperature of the filter screen is maintained, the sterilizing efficiency of the filter screen is optimized, and.
In some embodiments, in steps 202 and S304, determining a target heating duty cycle based on the tempering circuit temperature and the screen target temperature includes: determining a target duty ratio correction value according to the temperature of the temperature regulating pipeline and the target temperature of the filter screen; and determining the target heating duty ratio according to the current heating duty ratio and the target duty ratio correction value.
In some embodiments, determining the target duty cycle correction value based on the temperature conditioning circuit temperature and the target screen temperature comprises: determining a first duty ratio correction value and a second duty ratio correction value according to the temperature of the temperature regulating pipeline and the target temperature of the filter screen; determining a target duty cycle correction value based on the first duty cycle correction value and the second duty cycle correction value.
In some embodiments, the target duty cycle correction value is determined according to the following relationship:
wherein, ToutfIs a target duty cycle correction value; t isout1Is a first duty cycle correction value; t isout2Is a second duty cycle correction value.
In some embodiments, the first duty cycle correction value is determined according to the following relationship:
Tout1＝Out_gain1*(Kp1*Dn+Ki1*Pn+Kd1*(Dn－Dn-1)；
wherein, Out _ gain1Is the duty cycle output coefficient; kp1Is a proportional control quantity; ki1Is an integral control quantity; kd1Is a differential control amount; dn＝Pn-Pn-1；Dn-1＝Pn-1-Pn-2；PnThe difference value of the current temperature regulating pipeline temperature and the target temperature of the filter screen is obtained; pn-1The temperature of the pipeline is adjusted for the previous timeThe difference between the temperature and the target temperature of the filter screen; pn-2To calculate Pn-1The difference between the previous temperature regulating pipeline temperature and the target filter screen temperature.
In some embodiments, the second duty cycle correction value is determined according to the following relationship:
Tout2＝Out_gain1*(Kp1*Dn-1+Ki1*Pn-1+Kd1*(Dn-1－Dn-2)；
wherein D isn-2＝Pn-2-Pn-3；Pn-3To calculate Pn-2The difference between the previous temperature regulating pipeline temperature and the target filter screen temperature.
In some embodiments, in step S302, determining a target wind speed according to the temperature regulating pipeline temperature and the target screen temperature includes: determining a target wind speed correction value according to the temperature of the temperature regulating pipeline and the target temperature of the filter screen; and determining the target wind speed according to the current wind speed and the target wind speed correction value.
In some embodiments, determining a target wind speed correction value based on the attemperation circuit temperature and the screen target temperature includes: determining a first wind speed correction value and a second wind speed correction value according to the temperature of the temperature adjusting pipeline and the target temperature of the filter screen; a target wind speed correction value is determined based on the first wind speed correction value and the second wind speed correction value.
In some embodiments, the target wind speed correction value is determined according to the following relationship.
Wherein S isoutfA target wind speed correction value is obtained; sout1A first wind speed correction value; t isout2Is a second wind speed correction value.
In some embodiments, the first wind speed correction value is determined according to the following relationship:
Sout1＝Out_gain2*(Kp2*Dn+Ki2*Pn+Kd2*(Dn－Dn-1)；
wherein S isout1A first wind speed correction value; out _ gain2The wind speed output coefficient; kp2Is a proportional control quantity; ki2Is an integral control quantity; kd2Is a differential control amount; dn＝Pn-Pn-1；Dn-1＝Pn-1-Pn-2；PnThe difference value of the current temperature regulating pipeline temperature and the target temperature of the filter screen is obtained; pn-1The difference value between the temperature of the previous temperature adjusting pipeline and the target temperature of the filter screen is obtained; pn-2To calculate Pn-1The difference between the previous temperature regulating pipeline temperature and the target filter screen temperature.
In some embodiments, the second wind speed correction value is determined according to the following relationship;
Sout2＝Out_gain2*(Kp2*Dn-1+Ki2*Pn-1+Kd2*(Dn-1－Dn-2)；
wherein D isn-2＝Pn-2-Pn-3；Pn-3To calculate Pn-2The difference between the previous temperature regulating pipeline temperature and the target filter screen temperature.
In some embodiments, determining the target wind speed based on the current wind speed and the target wind speed correction value comprises: and adding the current wind speed and the target wind speed correction value to obtain the target wind speed.
The embodiment of the disclosure also provides a device for controlling the temperature of an air conditioner filter screen, which comprises a processor and a memory, wherein the memory stores program instructions, and the processor is configured to execute the method for controlling the temperature of the air conditioner filter screen when executing the program instructions.
The embodiment of the disclosure also provides a device for controlling the temperature of an air conditioner filter screen, which comprises a processor and a memory, wherein the memory stores program instructions, and the processor is configured to execute the method for controlling the temperature of the air conditioner filter screen when executing the program instructions.
The embodiment of the disclosure also provides an air conditioner, which comprises an indoor heat exchanger, an outdoor heat exchanger, a filter screen, a refrigerant circulation loop, a liquid inlet pipeline, a temperature adjusting pipeline and a liquid outlet pipeline, and further comprises the device for controlling the temperature of the air conditioner filter screen.
As shown in fig. 4, an embodiment of the present disclosure provides an apparatus for controlling the temperature of an air conditioner filter screen, which includes a processor (processor)400 and a memory (memory) 401. Optionally, the apparatus may also include a Communication Interface 402 and a bus 403. The processor 400, the communication interface 402, and the memory 401 may communicate with each other through a bus 403. Communication interface 402 may be used for information transfer. Processor 400 may invoke logic instructions in memory 401 to perform the method for air conditioner screen temperature control of the above-described embodiments.
In addition, the logic instructions in the memory 401 may be implemented in the form of software functional units and may be stored in a computer readable storage medium when the logic instructions are sold or used as independent products.
The memory 401 is a computer-readable storage medium and can be used for storing software programs, computer-executable programs, such as program instructions/modules corresponding to the methods in the embodiments of the present disclosure. The processor 400 executes functional applications and data processing by executing program instructions/modules stored in the memory 401, that is, implements the method for controlling the temperature of the air conditioner filter screen in the above-described embodiment.
The memory 401 may include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area may store data created according to the use of the terminal device, and the like. Further, the memory 401 may include a high-speed random access memory, and may also include a nonvolatile memory.
Embodiments of the present disclosure provide a computer-readable storage medium storing computer-executable instructions configured to perform the above-described method for air conditioner screen temperature control.
Embodiments of the present disclosure provide a computer program product comprising a computer program stored on a computer readable storage medium, the computer program comprising program instructions which, when executed by a computer, cause the computer to perform the above-described method for air conditioner screen temperature control.
The computer-readable storage medium described above may be a transitory computer-readable storage medium or a non-transitory computer-readable storage medium.
The technical solution of the embodiments of the present disclosure may be embodied in the form of a software product, where the computer software product is stored in a storage medium and includes one or more instructions to enable a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method of the embodiments of the present disclosure. And the aforementioned storage medium may be a non-transitory storage medium comprising: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes, and may also be a transient storage medium.
The above description and drawings sufficiently illustrate embodiments of the disclosure to enable those skilled in the art to practice them. Other embodiments may incorporate structural, logical, electrical, process, and other changes. The examples merely typify possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in or substituted for those of others. Furthermore, the words used in the specification are words of description only and are not intended to limit the claims. As used in the description of the embodiments and the claims, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. Similarly, the term "and/or" as used in this application is meant to encompass any and all possible combinations of one or more of the associated listed. Furthermore, the terms "comprises" and/or "comprising," when used in this application, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. Without further limitation, an element defined by the phrase "comprising an …" does not exclude the presence of other like elements in a process, method or apparatus that comprises the element. In this document, each embodiment may be described with emphasis on differences from other embodiments, and the same and similar parts between the respective embodiments may be referred to each other. For methods, products, etc. of the embodiment disclosures, reference may be made to the description of the method section for relevance if it corresponds to the method section of the embodiment disclosure.
Those of skill in the art would appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software may depend upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the disclosed embodiments. It can be clearly understood by the skilled person that, for convenience and brevity of description, the specific working processes of the system, the apparatus and the unit described above may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the embodiments disclosed herein, the disclosed methods, products (including but not limited to devices, apparatuses, etc.) may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units may be merely a logical division, and in actual implementation, there may be another division, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form. The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to implement the present embodiment. In addition, functional units in the embodiments of the present disclosure may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
The flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to embodiments of the present disclosure. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). In some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. In the description corresponding to the flowcharts and block diagrams in the figures, operations or steps corresponding to different blocks may also occur in different orders than disclosed in the description, and sometimes there is no specific order between the different operations or steps. For example, two sequential operations or steps may in fact be executed substantially concurrently, or they may sometimes be executed in the reverse order, depending upon the functionality involved. Each block of the block diagrams and/or flowchart illustrations, and combinations of blocks in the block diagrams and/or flowchart illustrations, can be implemented by special purpose hardware-based systems that perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
Claims (10)
1. A method for controlling the temperature of a filter screen of an air conditioner, wherein the air conditioner comprises a temperature adjusting pipeline for conducting the heat of a refrigerant to the filter screen, and the method is characterized by comprising the following steps:
determining a target heating duty ratio according to the temperature of the temperature regulating pipeline and the target temperature of the filter screen;
and controlling the running time of the compressor according to the target heating duty ratio.
2. The method of claim 1, wherein determining a target heating duty cycle based on the trim line temperature and the screen target temperature comprises:
determining a target duty ratio correction value according to the temperature of the temperature regulating pipeline and the target temperature of the filter screen;
and determining a target heating duty ratio according to the current heating duty ratio and the target duty ratio correction value.
3. The method of claim 2, wherein determining a target duty cycle correction based on the trim line temperature and the screen target temperature comprises:
determining a first duty ratio correction value and a second duty ratio correction value according to the temperature of the temperature adjusting pipeline and the target temperature of the filter screen;
determining a target duty cycle correction value based on the first duty cycle correction value and the second duty cycle correction value.
4. A method according to claim 3, wherein the target duty cycle correction value is determined according to the following relation:
wherein, ToutfIs a target duty cycle correction value; t isout1Is a first duty cycle correction value; t isout2Is a second duty cycle correction value.
5. Method according to claim 4, characterized in that the first duty cycle correction value is determined according to the following relation:
Tout1＝Out_gain1*(Kp1*Dn+Ki1*Pn+Kd1*(Dn－Dn-1)；
wherein, Out _ gain1Is the duty cycle output coefficient; kp1Is a proportional control quantity; ki1Is an integral control quantity; kd1Is a differential control amount; dn＝Pn-Pn-1；Dn-1＝Pn-1-Pn-2；PnThe difference value of the current temperature regulating pipeline temperature and the target temperature of the filter screen is obtained; pn-1The difference value between the temperature of the previous temperature adjusting pipeline and the target temperature of the filter screen is obtained; pn-2To calculate Pn-1The difference between the previous temperature regulating pipeline temperature and the target filter screen temperature.
6. Method according to claim 5, characterized in that the second duty cycle correction value is determined according to the following relation:
Tout2＝Out_gain1*(Kp1*Dn-1+Ki1*Pn-1+Kd1*(Dn-1－Dn-2)；
wherein D isn-2＝Pn-2-Pn-3；Pn-3To calculate Pn-2The difference between the previous temperature regulating pipeline temperature and the target filter screen temperature.
7. The method of claim 2, wherein determining a target heating duty cycle based on a current heating duty cycle and the target duty cycle correction value comprises:
and adding the current heating duty ratio and the target duty ratio correction value to obtain a target duty ratio.
8. An apparatus for air conditioner screen temperature control comprising a processor and a memory having stored thereon program instructions, wherein the processor is configured to perform the method for air conditioner screen temperature control of any one of claims 1 to 7 when executing the program instructions.
9. The utility model provides an air conditioner, includes indoor heat exchanger, outdoor heat exchanger, filter screen, refrigerant circulation circuit, its characterized in that still includes:
the liquid inlet pipeline is communicated with a refrigerant outlet of the indoor heat exchanger or the outdoor heat exchanger;
the temperature adjusting pipeline is communicated with the liquid inlet pipeline and is configured to conduct heat of the refrigerant to the filter screen;
a liquid outlet pipeline which is communicated with the temperature adjusting pipeline and a refrigerant inlet of the indoor heat exchanger or the outdoor heat exchanger and is configured to guide the refrigerant into the refrigerant circulating loop from the temperature adjusting pipeline; and the combination of (a) and (b),
the apparatus for temperature control of an air conditioner screen as set forth in claim 8.
10. The air conditioner according to claim 9, further comprising:
a fixing member configured to fix the temperature adjusting line on and in contact with a filter screen.
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Effective date of registration: 20220428 Address after: No.1 Gangcheng South Road, Jiangbei District, Chongqing, 400026 Applicant after: CHONGQING HAIER AIR-CONDITIONER Co.,Ltd. Applicant after: QINGDAO HAIER AIR CONDITIONER GENERAL Corp.,Ltd. Applicant after: Haier Smart Home Co., Ltd. Address before: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Shandong, Qingdao Applicant before: QINGDAO HAIER AIR CONDITIONER GENERAL Corp.,Ltd. Applicant before: Haier Smart Home Co., Ltd. |
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