CN210772480U - Air conditioning system - Google Patents
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- CN210772480U CN210772480U CN201921249772.3U CN201921249772U CN210772480U CN 210772480 U CN210772480 U CN 210772480U CN 201921249772 U CN201921249772 U CN 201921249772U CN 210772480 U CN210772480 U CN 210772480U
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Abstract
The utility model relates to an air conditioning technology field specifically provides an air conditioning system, aims at solving current air conditioner and need follow indoor heat absorption at the defrosting in-process, leads to the problem that indoor temperature descends. Mesh for this reason, the utility model discloses an air conditioning system includes the compressor, the cross valve, outdoor heat exchanger, indoor heat exchanger and heat accumulation subassembly, the heat accumulation subassembly includes heat exchanger, first automatically controlled valve, second automatically controlled valve and third automatically controlled valve, heat exchanger's first end is through first automatically controlled valve, the exit end of cross valve and compressor is connected, heat exchanger's first end is still connected through the first end of second automatically controlled valve and outdoor heat exchanger, heat exchanger's second end is connected through the first end of third automatically controlled valve and outdoor heat exchanger, indoor heat exchanger's first end is connected through the first end of third automatically controlled valve and outdoor heat exchanger. The utility model adopts the above-mentioned air conditioning system can use the heat that the heat accumulation subassembly absorbed and stored to realize the defrosting of outdoor heat exchanger, avoids leading to the indoor temperature to descend.
Description
Technical Field
The utility model relates to an air conditioning technology field specifically provides an air conditioning system.
Background
Air conditioning refers to a device that regulates and controls ambient air within a building or structure by manual means. When the air conditioner is in heating operation, the surface of the outdoor heat exchanger of the air conditioner is easy to frost, and the frosting on the surface of the outdoor heat exchanger can influence the heat convection between the refrigerant flowing through the outdoor heat exchanger and air, so that the refrigerating performance of the outdoor heat exchanger is reduced, the heating effect of the air conditioner is influenced, and the comfort of the indoor environment is reduced.
In order to solve the problems, the conventional air conditioner usually adopts a refrigeration defrosting mode to defrost, namely, the refrigerant is reversed through a four-way valve and flows reversely, and the high-temperature refrigerant directly enters an outdoor heat exchanger to perform forced defrosting. However, in the process of refrigeration and defrosting, the indoor heat exchanger stops heating, and needs to absorb heat from the indoor space to defrost the outdoor heat exchanger, so that the indoor temperature is reduced, the comfort of the indoor environment is reduced, and the use experience of a user is influenced.
Therefore, there is a need in the art for a new air conditioning system that addresses the above-mentioned problems.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems in the prior art, i.e. to solve the problem that the existing air conditioner needs to absorb heat from the indoor space to lower the indoor temperature and reduce the comfort of the indoor environment in the defrosting process, the utility model provides an air conditioning system, which comprises a compressor, a four-way valve, an outdoor heat exchanger and an indoor heat exchanger, wherein the compressor, the four-way valve, the outdoor heat exchanger and the indoor heat exchanger form a closed loop circulation loop, the air conditioning system further comprises a heat storage component, the heat storage component comprises a heat exchanger, a first electric control valve, a second electric control valve and a third electric control valve, the first end of the heat exchanger is connected with the outlet end of the compressor through the first electric control valve and the four-way valve, the first end of the heat exchanger is connected with the first end of the outdoor heat exchanger through the second electric control valve, the second end of the heat exchanger is connected with the first end of, the first end of the indoor heat exchanger is connected with the first end of the outdoor heat exchanger through a third electric control valve.
In a preferred embodiment of the above air conditioning system, the air conditioning system further includes a first expansion valve, and the first expansion valve is connected between the third electronic control valve and the first end of the indoor heat exchanger.
In the above preferred technical solution of the air conditioning system, the air conditioning system further includes a second expansion valve, the second expansion valve is connected between the second electric control valve and the first end of the outdoor heat exchanger, and the second expansion valve is further connected between the third electric control valve and the first end of the outdoor heat exchanger.
In a preferred embodiment of the air conditioning system, the air conditioning system further includes a first stop valve, the first stop valve is connected between the second electronic control valve and the second expansion valve, and the first stop valve is further connected between the third electronic control valve and the second expansion valve.
In the preferable technical scheme of the air conditioning system, the air conditioning system further comprises a second stop valve, the four-way valve is connected with the first end of the heat exchanger through the second stop valve and the first electric control valve, and the four-way valve is further connected with the second end of the indoor heat exchanger through the second stop valve.
In the preferable technical scheme of the air conditioning system, the air conditioning system further comprises a gas-liquid separator, the inlet end of the gas-liquid separator is connected with the four-way valve, the outlet end of the gas-liquid separator is connected with the inlet end of the compressor, and the gas-liquid separator is used for performing gas-liquid separation on the refrigerant flowing into the compressor.
In the preferable technical scheme of the air conditioning system, the air conditioning system further comprises a connecting pipeline, and the four-way valve is connected with the second end of the outdoor heat exchanger through the connecting pipeline.
In a preferred embodiment of the air conditioning system, the heat exchanger is a water-fluorine heat exchanger.
In a preferred embodiment of the air conditioning system, the number of the heat storage units is plural, and the plural heat storage units are connected in parallel.
In the above-mentioned preferred technical solution of the air conditioning system, the number of the indoor heat exchangers is plural, and the plural indoor heat exchangers are connected in parallel.
It can be understood by those skilled in the art that in the preferred technical solution of the present invention, the air conditioning system further includes a heat storage assembly, the heat storage assembly includes a heat exchanger, a first electric control valve, a second electric control valve and a third electric control valve, the first end of the heat exchanger is connected through the first electric control valve, the four-way valve and the outlet end of the compressor, the first end of the heat exchanger is further connected through the second electric control valve and the first end of the outdoor heat exchanger, the second end of the heat exchanger is connected through the third electric control valve and the first end of the outdoor heat exchanger, and the first end of the indoor heat exchanger is connected through the third electric control valve and the first end of the outdoor heat exchanger. Compared with the technical proposal that the indoor heat exchanger stops heating and needs to absorb heat from the indoor to defrost the outdoor heat exchanger in the refrigeration and defrost processes of the air conditioner in the prior art, when the air conditioning system of the utility model is in the heating mode, the first electric control valve and the third electric control valve are opened, the second electric control valve is closed, so that the heat exchanger can absorb and store the heat of a part of the refrigerant flowing out of the compressor, when the outdoor heat exchanger needs defrosting, the first electric control valve and the third electric control valve are opened, the second electric control valve is closed, so that the heat exchanger heats the refrigerant flowing out of the outdoor heat exchanger using the absorbed and stored heat of a portion of the refrigerant flowing out of the compressor, in order to realize the defrosting of outdoor heat exchanger, do not need indoor heat exchanger to follow indoor heat absorption, avoided leading to indoor temperature to descend, improved the travelling comfort of indoor environment, and then improved user's use and experienced.
Further, when the air conditioning system is in a refrigeration mode, because the temperature of the refrigerant flowing out of the outdoor heat exchanger is higher, the heat carried by the refrigerant is more, in order to avoid energy waste, the second electric control valve is opened, and the first electric control valve and the third electric control valve are closed, so that the heat exchanger can also absorb and store the heat of the refrigerant flowing out of the outdoor heat exchanger, heat can be provided for external equipment (such as a water heater, a hot water tank and the like), water in the external equipment can be heated without adopting other heat sources, the energy is saved, and the utilization rate of the energy is improved.
Further, when the air conditioning system starts the heat storage mode, the first electric control valve and the third electric control valve are opened, and the second electric control valve is closed, so that the heat exchanger can absorb and store heat of all refrigerants flowing out of the compressor, heat can be provided for external equipment (such as a water heater, a hot water tank and the like), normal operation of the external equipment is guaranteed under the condition that other energy sources such as gas and coal cannot be used, and use experience of a user is improved.
Drawings
Fig. 1 is a schematic view of a first structure of an air conditioning system according to the present invention;
fig. 2 is a second schematic structural diagram of the air conditioning system of the present invention.
Wherein, 1, a compressor; 2. a four-way valve; 3. an outdoor heat exchanger; 4. an indoor heat exchanger; 5. a heat storage component; 51. a heat exchanger; 52. a first electrically controlled valve; 53. a second electrically controlled valve; 54. a third electrically controlled valve; 6. a first expansion valve; 7. a second expansion valve; 8. a first shut-off valve; 9. a second stop valve; 10. connecting a pipeline; 11. a gas-liquid separator.
Detailed Description
Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention.
It should be noted that, in the description of the present invention, the terms "first", "second" and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Based on the problem among the prior art mentioned in the background art, the utility model provides an air conditioning system, this air conditioning system can absorb and save the heat of the partly refrigerant that flows from the compressor through the heat accumulation subassembly under the heating mode, can also use the heat accumulation subassembly to absorb and the heat of the partly refrigerant that flows from the compressor of storage to heat the refrigerant that flows from outdoor heat exchanger under the defrosting mode, in order to realize outdoor heat exchanger's defrosting, do not need indoor heat exchanger to follow indoor heat absorption, avoided leading to indoor temperature to descend, the travelling comfort of indoor environment has been improved, and then user's use experience has been improved.
Referring to fig. 1 and 2, fig. 1 is a schematic view of a first structure of an air conditioning system according to the present invention; fig. 2 is a second schematic structural diagram of the air conditioning system of the present invention. As shown in fig. 1, the utility model discloses an air conditioning system includes compressor 1, cross valve 2, outdoor heat exchanger 3, indoor heat exchanger 4 and heat accumulation subassembly 5, and compressor 1, cross valve 2, outdoor heat exchanger 3 and indoor heat exchanger 4 form closed loop's circulation circuit, and cross valve 2 makes air conditioning system be in the mode of refrigeration or heating mode through the mode of switching-over.
The heat storage assembly 5 comprises a heat exchanger 51, a first electric control valve 52, a second electric control valve 53 and a third electric control valve 54, wherein the first end of the heat exchanger 51 is connected with the outlet end of the compressor 1 through the first electric control valve 52 and the four-way valve 2, the first end of the heat exchanger 51 is connected with the first end of the outdoor heat exchanger 3 through the second electric control valve 53, the second end of the heat exchanger 51 is connected with the first end of the outdoor heat exchanger 3 through the third electric control valve 54, the first end of the indoor heat exchanger 4 is connected with the first end of the outdoor heat exchanger 3 through the third electric control valve 54, the second end of the outdoor heat exchanger 3 is connected with the four-way valve 2, and the second end of the indoor heat exchanger is connected. The heat exchanger 51 may be a water fluorine heat exchanger, a fluorine heat exchanger, or the like, and those skilled in the art may flexibly adjust and set the type of the heat exchanger 51 in practical applications.
Further, the air conditioning system further includes a first expansion valve 6 and a second expansion valve 7, the first expansion valve 6 is connected between the third electronic control valve 54 and the first end of the indoor heat exchanger 4; a first end of the outdoor heat exchanger 3 is connected to a first end of the heat exchanger 51 through the second expansion valve 7 and the second electronic control valve 53, and a first end of the outdoor heat exchanger 3 is connected to a second end of the heat exchanger 51 through the second expansion valve 7 and the third electronic control valve 54.
The first electronic control valve 52, the second electronic control valve 53 and the third electronic control valve 54 may be expansion valves or ball valves; the first expansion valve 6 and the second expansion valve 7 may be expansion valves such as a manual expansion valve, a thermostatic expansion valve, and an electronic expansion valve.
Further, the air conditioning system further includes a first stop valve 8, the first end of the outdoor heat exchanger 3 is connected to the first end of the heat exchanger 51 through a second expansion valve 7, the first stop valve 8 and a second electronic control valve 53, and the first end of the outdoor heat exchanger 3 is connected to the second end of the heat exchanger 51 through the second expansion valve 7, the first stop valve 8 and a third electronic control valve 54.
Further, the air conditioning system further comprises a second stop valve 9, the four-way valve 2 is connected with a first end of the heat exchanger 51 through the second stop valve 9 and the first electric control valve 52, and the four-way valve 2 is further connected with a second end of the indoor heat exchanger 4 through the second stop valve 9.
Wherein, first stop valve 8 is the trachea stop valve, and second stop valve 9 is the liquid pipe stop valve.
Preferably, the air conditioning system further includes a connection line 10, and the four-way valve 2 is connected to the second end of the outdoor heat exchanger 3 through the connection line 10.
Preferably, when the air conditioning system is in a heating mode, the first electronic control valve 52, the third electronic control valve 54, the first expansion valve 6, the second expansion valve 7, the first stop valve 8 and the second stop valve 9 are opened, the second electronic control valve 53 is closed, the heat exchanger 51, the compressor 1, the indoor heat exchanger 4 and the outdoor heat exchanger 3 are communicated, a part of refrigerant flowing out of the compressor 1 flows into the heat exchanger 51 through the four-way valve 2, the second stop valve 9 and the first electronic control valve 52 to exchange heat with the refrigerant in the heat exchanger 51, so as to absorb and store heat of a part of refrigerant flowing out of the compressor 1, and the other part of refrigerant flowing out of the compressor 1 flows to the indoor heat exchanger 4 through the four-way valve 2; the refrigerant flowing out of the indoor heat exchanger 4 flows through the first expansion valve 6 and joins with the refrigerant flowing out of the heat exchanger 51, the joined refrigerant flows into the outdoor heat exchanger 3 through the third electric control valve 54, the first stop valve 8 and the second expansion valve 7, the refrigerant flowing out of the outdoor heat exchanger 3 returns to the compressor 1 through the four-way valve 2, in the process, the heating effect of the air conditioning system is guaranteed, the heat of a part of the refrigerant flowing out of the compressor 1 is absorbed and stored, the heat is reserved for defrosting of the subsequent outdoor heat exchanger 3, defrosting can be achieved without absorbing heat from the indoor space, and the indoor temperature is prevented from being reduced.
It should be noted that, since the temperature of the refrigerant flowing out of the compressor 1 is higher than the temperature of the refrigerant flowing out of the indoor heat exchanger 4, the heat exchanger 51 is configured to absorb and store the heat of a part of the refrigerant flowing out of the compressor 1 during the heating operation in order to enable the heat exchanger 51 to absorb and store more heat. Of course, it will be appreciated by those skilled in the art that the heat exchanger 51 may be configured to absorb and store heat of a portion of the refrigerant flowing out of the indoor heat exchanger 4 without departing from the spirit and scope of the present invention.
Preferably, when the air conditioning system is in the defrosting mode, the first electric control valve 52, the third electric control valve 54, the second expansion valve 7, the first stop valve 8 and the second stop valve 9 are opened, the second electric control valve 53 and the first expansion valve 6 are closed, the heat exchanger 51, the compressor 1 and the outdoor heat exchanger 3 are communicated, the refrigerant flowing out of the outdoor heat exchanger 3 flows into the heat exchanger 51 through the second expansion valve 7, the first stop valve 8 and the third electric control valve 54 to exchange heat with the refrigerant in the heat exchanger 51, the refrigerant flowing out of the outdoor heat exchanger 3 is heated, the heated refrigerant flows out of the heat exchanger 51 and flows into the compressor 1 through the first electric control valve 52, the second stop valve 9 and the four-way valve 2, the refrigerant flowing into the compressor 1 returns to the outdoor heat exchanger 3 through the four-way valve 2 and the connecting pipeline 11, and frost on the outdoor heat exchanger 3 is removed by heat carried by the heated refrigerant, in the process, the heat absorbed and stored in the heating process of the heat exchanger 51 is used for heating the refrigerant circularly flowing in the air conditioning system, so that the purpose of heat storage and defrosting is achieved, and the refrigerant circularly flowing in the air conditioning system cannot flow into the indoor heat exchanger 4 because the first expansion valve 6 is in a closed state, so that heat cannot be absorbed from the indoor space, the indoor temperature is prevented from being reduced, and the use experience of a user is improved.
Preferably, the air conditioning system further has a heat storage mode, when the air conditioning system is in the heat storage mode, the first electric control valve 52, the third electric control valve 54, the second expansion valve 7, the first cutoff valve 8 and the second cutoff valve 9 are opened, the second electric control valve 53 and the first expansion valve 6 are closed, the heat exchanger 51, the compressor 1 and the outdoor heat exchanger 3 are communicated, all of the refrigerant flowing out of the compressor 1 flows into the heat exchanger 51 through the four-way valve 2, the second cutoff valve 9 and the first electric control valve 52 and exchanges heat with the refrigerant in the heat exchanger 51 to absorb and store heat of all of the refrigerant flowing out of the compressor 1, the refrigerant flowing out of the heat exchanger 51 flows into the outdoor heat exchanger 3 through the third electric control valve 54, the first cutoff valve 8 and the second expansion valve 7, the refrigerant flowing out of the outdoor heat exchanger 3 returns to the compressor 1 through the four-way valve 2, in the process, because the first expansion valve 6 is in the closed state, all the refrigerant flowing out of the compressor 1 flows to the heat exchanger 51, the heat exchanger 51 absorbs and stores the heat of all the refrigerant flowing out of the compressor 1, sufficient heat can be provided for external equipment (such as a water heater, a hot water tank and the like), the normal operation of the external equipment is ensured under the condition that other energy sources such as gas and coal cannot be used, and the use experience of a user is further improved.
Preferably, when the air conditioning system is in the cooling mode, the second electronic control valve 53, the first expansion valve 6, the second expansion valve 7, the first cut-off valve 8 and the second cut-off valve 9 are opened, the first electronic control valve 52 and the third electronic control valve 54 are closed, the heat exchanger 51, the compressor 1, the indoor heat exchanger 4 and the outdoor heat exchanger 3 are communicated, the refrigerant flowing out of the outdoor heat exchanger 3 flows into the heat exchanger 51 through the second expansion valve 7, the first cut-off valve 8 and the second electronic control valve 53 and exchanges heat with the refrigerant in the heat exchanger 51 to absorb and store heat of the refrigerant flowing out of the outdoor heat exchanger 3, the refrigerant flowing out of the heat exchanger 51 flows into the indoor heat exchanger 4 through the first expansion valve 6, the refrigerant flowing out of the indoor heat exchanger 4 flows into the compressor 1 through the second cut-off valve 9 and the four-way valve 2, the refrigerant flowing into the compressor 1 returns to the outdoor heat exchanger 3 through the four-way, in the refrigeration process, the outdoor heat exchanger 3 releases heat, the temperature of the refrigerant flowing out of the outdoor heat exchanger 3 is high, the refrigerant in the heat exchanger 51 absorbs and stores the heat of the refrigerant flowing out of the outdoor heat exchanger 3, heat can be provided for external equipment such as a water heater and a hot water tank, the water in the water heater or the hot water tank can be heated without adopting other heat sources, the energy waste is avoided, and the energy utilization rate is improved.
Preferably, the refrigerant circulating in the air conditioning system is a secondary refrigerant, such as freon, saturated hydrocarbon, unsaturated hydrocarbon, etc.
Preferably, the refrigerant in the heat exchanger 51 is a coolant, such as water, an aqueous solution of sodium chloride or calcium chloride, or an organic solution of ethylene glycol, glycerol, or the like.
It should be further noted that the number of the heat storage assemblies 5 may be one or more, and those skilled in the art can flexibly adjust and set the number of the heat storage assemblies 5. As shown in fig. 2, when the number of the thermal storage assemblies 5 is plural (for example, 2, 3, or 4), the plural thermal storage assemblies 5 are connected in parallel, and may be used simultaneously or individually.
It should be further noted that the number of the indoor heat exchangers 4 may be one or more, and those skilled in the art can flexibly adjust and set the number of the indoor heat exchangers 4. As shown in fig. 2, when the number of the indoor heat exchangers 4 is plural (for example, 2, 3, or 4), the plural indoor heat exchangers 4 are connected in parallel, and may be used simultaneously or individually.
In order to prevent the compressor 1 from liquid impact, as shown in fig. 1, the air conditioning system further includes a gas-liquid separator 11, the gas-liquid separator 11 is disposed in the circulation loop upstream of the compressor 1, and the gas-liquid separator 11 is configured to separate gas and liquid of the refrigerant flowing into the compressor 1.
Preferably, the inlet end of the gas-liquid separator 11 is connected to the indoor heat exchanger 4 or the outdoor heat exchanger 3 through the four-way valve 2, the outlet end of the gas-liquid separator 11 is connected to the inlet end of the compressor 1, the low-temperature and low-pressure gaseous refrigerant flowing out of the outdoor heat exchanger 3 or the indoor heat exchanger 4 flows to the compressor 1 after being subjected to gas-liquid separation through the gas-liquid separator 11, the liquid content in the low-temperature and low-pressure gaseous refrigerant entering the compressor 1 is reduced, the low-temperature and low-pressure gaseous refrigerant is prevented from carrying liquid to enter the compressor 1, the liquid impact phenomenon of the compressor 1 is avoided, and the.
So far, the technical solution of the present invention has been described with reference to the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, a person skilled in the art can make equivalent changes or substitutions to the related technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.
Claims (10)
1. An air conditioning system comprises a compressor, a four-way valve, an outdoor heat exchanger and an indoor heat exchanger, wherein the compressor, the four-way valve, the outdoor heat exchanger and the indoor heat exchanger form a closed loop circulation loop,
the air conditioning system is characterized in that the air conditioning system further comprises a heat storage assembly, the heat storage assembly comprises a heat exchanger, a first electric control valve, a second electric control valve and a third electric control valve, the first end of the heat exchanger is connected with the outlet end of the compressor through the first electric control valve, the four-way valve and the outlet end of the compressor, the first end of the heat exchanger is connected with the first end of the outdoor heat exchanger through the second electric control valve, the second end of the heat exchanger is connected with the first end of the outdoor heat exchanger through the third electric control valve, and the first end of the indoor heat exchanger is connected with the first end of the outdoor heat exchanger through the third electric control valve.
2. The air conditioning system of claim 1, further comprising a first expansion valve connected between the third electrically controlled valve and the first end of the indoor heat exchanger.
3. The air conditioning system of claim 1, further comprising a second expansion valve connected between the second electronic control valve and the first end of the outdoor heat exchanger, the second expansion valve further connected between the third electronic control valve and the first end of the outdoor heat exchanger.
4. The air conditioning system of claim 3, further comprising a first shut-off valve connected between the second electrically controlled valve and the second expansion valve, the first shut-off valve further connected between the third electrically controlled valve and the second expansion valve.
5. The air conditioning system of claim 1, further comprising a second shutoff valve, wherein the four-way valve is connected to the first end of the heat exchanger through the second shutoff valve, the first electrically controlled valve, and the four-way valve is further connected to the second end of the indoor heat exchanger through the second shutoff valve.
6. The air conditioning system as claimed in claim 1, further comprising a gas-liquid separator, wherein an inlet end of the gas-liquid separator is connected to the four-way valve, an outlet end of the gas-liquid separator is connected to an inlet end of the compressor, and the gas-liquid separator is configured to separate a refrigerant flowing into the compressor into a gas and a liquid.
7. The air conditioning system of claim 1, further comprising a connecting line, wherein the four-way valve is connected to the second end of the outdoor heat exchanger through the connecting line.
8. The air conditioning system of claim 1, wherein the heat exchanger is a water-fluorine heat exchanger.
9. The air conditioning system according to any one of claims 1 to 8, characterized in that the number of the heat storage assemblies is plural, and the plural heat storage assemblies are connected in parallel.
10. The air conditioning system according to any one of claims 1 to 8, wherein the number of the indoor heat exchangers is plural, and the plural indoor heat exchangers are connected in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921249772.3U CN210772480U (en) | 2019-08-02 | 2019-08-02 | Air conditioning system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921249772.3U CN210772480U (en) | 2019-08-02 | 2019-08-02 | Air conditioning system |
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| CN210772480U true CN210772480U (en) | 2020-06-16 |
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| CN201921249772.3U Active CN210772480U (en) | 2019-08-02 | 2019-08-02 | Air conditioning system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112178844A (en) * | 2020-09-21 | 2021-01-05 | 广东申菱环境系统股份有限公司 | Air conditioning unit with cold accumulation function and control method thereof |
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2019
- 2019-08-02 CN CN201921249772.3U patent/CN210772480U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112178844A (en) * | 2020-09-21 | 2021-01-05 | 广东申菱环境系统股份有限公司 | Air conditioning unit with cold accumulation function and control method thereof |
| CN112178844B (en) * | 2020-09-21 | 2022-04-08 | 广东申菱环境系统股份有限公司 | Air conditioning unit with cold accumulation function and control method thereof |
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