CN210601996U - Mobile air conditioner - Google Patents
Mobile air conditioner Download PDFInfo
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- CN210601996U CN210601996U CN201921515089.XU CN201921515089U CN210601996U CN 210601996 U CN210601996 U CN 210601996U CN 201921515089 U CN201921515089 U CN 201921515089U CN 210601996 U CN210601996 U CN 210601996U
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- cold
- heat
- heat exchanger
- air conditioner
- pipe
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
Abstract
The utility model provides a mobile air conditioner, including cold-storage system, get cold heat exchanger and send cold heat exchanger. The cold accumulation system comprises a cold accumulation box, a compressor, an evaporator and a condenser, wherein the compressor, the condenser and the evaporator are sequentially communicated to form a cold accumulation loop. The evaporator and the cold taking heat exchanger are arranged in the cold storage box. The cold sending heat exchanger and the cold taking heat exchanger are connected through a pipeline to form a refrigerating loop, the pipeline comprises a first heat preservation pipeline which is connected with a secondary refrigerant inlet of the cold sending heat exchanger and a secondary refrigerant outlet of the cold taking heat exchanger, and the heat conductivity coefficient of the first heat preservation pipeline is lower than that of the metal pipe. The utility model discloses technical scheme is through setting up first heat preservation pipeline to connect the secondary refrigerant entry of sending cold heat exchanger and get cold heat exchanger's secondary refrigerant export, can effectively promote the transport section heat preservation effect of secondary refrigerant pipeline, reduce the cold energy loss of refrigeration loop, thereby promote the cold energy utilization efficiency of mobile air conditioner.
Description
Technical Field
The utility model relates to an air conditioner technical field, in particular to mobile air conditioner.
Background
The conventional mobile air conditioner has the advantages of small volume, no installation, mobility, quicker cooling effect in a local range than the common air conditioner and the like, but the conventional mobile air conditioner is often connected with a thicker exhaust pipe for the conventional mobile air conditioner to radiate heat outwards, and the arrangement of the exhaust pipe limits the flexibility and the convenience of the use of the mobile air conditioner to a certain degree.
In order to solve the problem that the mobile air conditioner is limited in flexibility and convenience in movement, the prior art provides a mobile air conditioner which comprises a cold storage system and a refrigeration system (which is responsible for cold taking and cold sending). When the refrigerating system operates, the compressor does not need to be started (the compressor can work in the process of cold accumulation in the cold accumulation system), so that the mobile air conditioner does not generate extra heat in the process of cooling the environment, and an exhaust pipe does not need to be installed. However, the prior art still has the following technical problems: the pipeline connecting the cooling heat exchanger and the cold heat exchanger adopts a copper pipe and is completely exposed in the air, so that the heat preservation effect of the conveying section of the secondary refrigerant pipeline is poor, and further the cold energy loss is serious.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a mobile air conditioner, the transport section that aims at solving mobile air conditioner's secondary refrigerant pipeline among the prior art keeps warm the effect not good, and leads to the comparatively serious technical problem of cold energy loss.
In order to achieve the above object, the utility model provides a mobile air conditioner, mobile air conditioner includes:
the cold accumulation system comprises a cold accumulation box, a compressor, an evaporator and a condenser, wherein the compressor, the condenser and the evaporator are sequentially communicated to form a cold accumulation loop, and the evaporator is arranged in the cold accumulation box;
the cooling heat exchanger is arranged in the cold storage box;
the heat exchanger comprises a cold sending heat exchanger, the cold sending heat exchanger and the cold taking heat exchanger are connected through a pipeline to form a refrigerating loop, the pipeline comprises a first heat-preserving pipeline which is connected with a secondary refrigerant inlet of the cold sending heat exchanger and a secondary refrigerant outlet of the cold taking heat exchanger, and the heat conductivity coefficient of the first heat-preserving pipeline is lower than that of a metal pipe.
In an embodiment, the first heat-preservation pipeline includes an inner pipeline for the coolant to flow through, and a heat-preservation layer, which is a heat-preservation pipe sleeved on the outer circumference of the inner pipeline.
In one embodiment, the material of the insulating layer comprises any one of polyethylene insulating material, polyurethane insulating material, rock wool and glass wool.
In one embodiment, the inner pipe and the insulating layer are arranged at intervals to form a vacuum cavity.
In one embodiment, the first heat-preservation pipeline comprises an inner pipeline and a heat-preservation layer, the inner pipeline is used for the circulation of the secondary refrigerant, and the heat-preservation layer is a heat-preservation coating coated on the periphery of the inner pipeline.
In one embodiment, the material of the thermal insulation coating comprises any one of nano hollow ceramic microspheres, inorganic polymers, rubber powder polyphenyl particles and inorganic vitrified microspheres.
In an embodiment, the first heat-insulating pipe is a non-metal pipe, and the first heat-insulating pipe includes any one of a plastic pipe, a rubber pipe, and a plexiglas pipe.
In one embodiment, the first thermal insulation conduit has a thermal conductivity less than or equal to 1.00W/m K.
In one embodiment, the joint of the heat exchange tube of the cooling heat exchanger and the first heat preservation pipeline and the joint of the heat exchange tube of the cooling heat exchanger and the first heat preservation pipeline are coated with sealant.
In one embodiment, the pipeline further comprises a second heat preservation pipeline connecting the coolant outlet of the cold sending heat exchanger and the coolant inlet of the cold taking heat exchanger, and the heat conductivity of the second heat preservation pipeline is lower than that of the metal pipe.
The utility model provides a mobile air conditioner, including cold-storage system, get cold heat exchanger and send cold heat exchanger. The cold accumulation system comprises a cold accumulation box, a compressor, an evaporator and a condenser, wherein the compressor, the condenser and the evaporator are sequentially communicated to form a cold accumulation loop. The evaporator and the cold taking heat exchanger are arranged in the cold storage box. The cold sending heat exchanger and the cold taking heat exchanger are connected through a pipeline to form a refrigerating loop, the pipeline comprises a first heat preservation pipeline which is connected with a secondary refrigerant inlet of the cold sending heat exchanger and a secondary refrigerant outlet of the cold taking heat exchanger, and the heat conductivity coefficient of the first heat preservation pipeline is lower than that of the metal pipe. The utility model discloses technical scheme is through setting up first heat preservation pipeline to connect the secondary refrigerant entry of sending cold heat exchanger and get cold heat exchanger's secondary refrigerant export, can effectively promote the transport section heat preservation effect of secondary refrigerant pipeline, reduce the cold energy loss of refrigeration loop, thereby promote the cold energy utilization efficiency of mobile air conditioner.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of the mobile air conditioner of the present invention;
fig. 2 is a schematic structural view of a first heat-preserving duct in the mobile air conditioner shown in fig. 1;
fig. 3 is another schematic structural view of a first heat-retaining duct in the mobile air conditioner shown in fig. 1;
fig. 4 is a schematic structural diagram of another embodiment of the mobile air conditioner of the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 11 | |
12 | Evaporator with a |
| 13 | |
14 | Compressor with a compressor housing having a plurality of |
| 15 | |
16 | Heat |
| 21 | |
22 | Cold-sending |
| 23 | |
24 | Air- |
| 25 | First heat- |
251 | |
| 252 | |
253 | |
| 26 | Second heat-insulating pipeline |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout is to include three juxtapositions, exemplified by "A and/or B" including either scheme A, or scheme B, or a scheme in which both A and B are satisfied. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The embodiment of the utility model provides a mobile air conditioner is provided, it is right below combining fig. 1 to fig. 4 the utility model provides a mobile air conditioner carries out the concrete description.
In an embodiment of the present invention, as shown in fig. 1, the mobile air conditioner includes:
the cold accumulation system comprises a cold accumulation box 13, a compressor 14, an evaporator 12 and a condenser 11, wherein the compressor 14, the condenser 11 and the evaporator 12 are sequentially communicated to form a cold accumulation loop, and the evaporator 12 is arranged in the cold accumulation box 13;
a cooling heat exchanger 21, wherein the cooling heat exchanger 21 is arranged in the cold storage box 13;
the cold sending heat exchanger 22, the cold sending heat exchanger 22 and the cold taking heat exchanger 21 are connected through a pipeline to form a refrigerating loop, the pipeline comprises a first heat preservation pipeline 25 which connects a secondary refrigerant inlet of the cold sending heat exchanger 22 and a secondary refrigerant outlet of the cold taking heat exchanger 21, and the heat conductivity coefficient of the first heat preservation pipeline 25 is lower than that of a metal pipe.
Specifically, as shown in fig. 1, the cold storage system includes a condenser 11, an evaporator 12, a cold storage tank 13, a compressor 14 and a throttling device 15, and a refrigerant outlet of the compressor 14, the condenser 11, the throttling device 15, the evaporator 12 and a refrigerant inlet of the compressor 14 are sequentially communicated to form a cold storage loop. The cold storage box 13 contains a phase change cold storage material, and the evaporator 12 is disposed in the cold storage box 13 and at least partially immersed in the phase change cold storage material. The cold accumulation loop is filled with a refrigerant. The phase change cold storage material includes, but is not limited to, water, and the phase change cold storage material is taken as water as an example below. After the compressor 14 works, the refrigerant is compressed, and after the refrigerant with high temperature and high pressure enters the condenser 11, the refrigerant exchanges heat with the outside air through the operation of the heat exhaust fan 16, enters the throttling device 15, is throttled into the refrigerant with low temperature and low pressure, and then enters the evaporator 12 to exchange heat with the water in the cold storage tank 13, so that the water is cooled to ice blocks or ice water mixtures below 0 ℃, and the cold energy is stored.
The mobile air conditioner also comprises a refrigerating system, the refrigerating system comprises a cooling heat exchanger 21, a cooling heat exchanger 22 and a liquid pump 23, and the outlet of the liquid pump 23, the inlets of the cooling heat exchanger 22, the cooling heat exchanger 21 and the liquid pump 23 are sequentially communicated to form a refrigerating loop. The cooling heat exchanger 21 is arranged in the cold storage box 13 and at least partially immersed in the phase change cold storage material. The refrigeration loop is filled with a refrigerant (such as a glycol solution). The liquid pump 23 is operated to start the flow of the coolant in the heat exchanger 21. The secondary refrigerant first exchanges heat with the phase change cold storage material in the cold storage box 13 to become a low temperature state, then flows into the cold heat exchanger 22, exchanges heat with the indoor air through the operation of the cold air blower 24, and sends out cold air, thereby cooling the indoor environment.
It should be noted that the existing mobile air conditioner has the following technical problems: the pipeline connecting the cooling heat exchanger and the cold conveying heat exchanger adopts a copper pipe and is completely exposed in the air, so that the heat preservation effect of the conveying section of the secondary refrigerant pipeline is poor, the cold energy loss is serious, and the cold quantity is insufficient when air is supplied to a user or an indoor environment.
And the utility model discloses technical scheme is through setting up first heat preservation pipeline 25 to connect the secondary refrigerant entry of sending cold heat exchanger 22 and get cold heat exchanger 21's secondary refrigerant export, effectively promoted the transport section heat preservation effect of secondary refrigerant pipeline, showing and having reduced the loss of refrigeration loop cold energy, thereby promote the utilization efficiency of cold energy. It can be understood that although the metal tube has good mechanical strength and compressive resistance, the thermal conductivity of the metal material is very high, for example, the thermal conductivity of the copper tube is close to 400W/m · K, which results in severe cold energy loss of the refrigeration loop using the copper tube. And the utility model discloses well refrigerating circuit's secondary refrigerant carries section to adopt insulating tube, and the insulating tube is at least partly to be constituted by insulation material, and insulation material is light, loose, porous non-metallic material usually, and its coefficient of heat conductivity is far less than metallic material's coefficient of heat preservation, consequently, the utility model discloses technical scheme can greatly reduce the loss of refrigerating circuit cold energy.
In one embodiment, as shown in fig. 2, the first thermal insulation pipe 25 includes an inner pipe 251 and a thermal insulation layer 252, the inner pipe 251 is used for coolant to flow through, and the thermal insulation layer 252 is a thermal insulation pipe sleeved on the outer circumference of the inner pipe 251. Specifically, the inner pipe 251 may be a metal pipe or a non-metal pipe, and the inner pipe 251 is communicated with the heat exchange pipe of the cold taking heat exchanger 21 and the heat exchange pipe of the cold sending heat exchanger 22 to convey the coolant. The insulating layer 252 is sleeved on the periphery of the inner pipeline 251, the insulating layer 252 is made of insulating materials, and the insulating layer 252 can insulate the inner pipeline 251 to prevent the inner pipeline 251 from being directly exposed to cause the cold energy carried by the secondary refrigerant to directly flow out to the outside air.
Further, the material of the insulating layer 252 includes any one of polyethylene insulating material, polyurethane insulating material, rock wool and glass wool. The thermal conductivity of the polyethylene thermal insulation material ranges from 0.2W/m.K to 0.5W/m.K, the thermal conductivity of the polyurethane thermal insulation material ranges from 0.01W/m.K to 0.03W/m.K, the thermal conductivity of the rock wool and the glass wool ranges from 0.03W/m.K to 0.04W/m.K, and the thermal conductivity of the metal material is usually more than 200W/m.K, so that the thermal conductivity of the thermal insulation material used in the embodiment is far lower than that of the metal material, and therefore, the thermal insulation layer 252 can remarkably reduce the cold energy loss of the conveying section of the secondary refrigerant. Of course, in other embodiments, the heat insulating layer 252 may also be made of heat insulating materials with lower conductivity coefficients, such as rubber, plastic, and light cork, and the utility model discloses do not limit the concrete material of the heat insulating layer 252, as long as can reach certain heat insulating effect.
Further, as shown in fig. 3, a vacuum cavity 253 is formed between the inner pipe 251 and the insulation layer 252 at an interval. The vacuum cavity 253 can effectively prevent heat transfer and heat convection, so as to prevent direct heat exchange between the inner pipeline 251 and the heat insulation layer 252, thereby playing a certain role in heat insulation.
In another embodiment, the insulation layer 252 is an insulation coating applied to the outer circumference of the inner pipe 251. Specifically, the heat-insulating coating is made of a coating with low heat conductivity coefficient and high heat resistance. The material of the heat-insulating coating comprises any one of nano hollow ceramic microspheres, inorganic polymer, rubber powder polyphenyl particles, inorganic vitrified microspheres and the like. The heat-insulating coating not only has the function of heat insulation, but also has the functions of flame retardance, corrosion resistance, insulation and the like.
Further, first heat preservation pipeline 25 is the non-metallic pipe way, first heat preservation pipeline 25 includes any one in plastic conduit, rubber pipeline and organic glass pipeline etc.. It can be understood that since the compressor 14 is not needed in the refrigeration process, the pressure effect on the pipes of the refrigeration loop is small, and therefore, the first heat-preservation pipe 25 can be made of a non-metal material with a small heat conductivity coefficient, so as to reduce the cold energy loss of the pipes of the refrigeration loop. It can be understood that plastic pipes, rubber pipes and organic glass pipes have relatively low thermal conductivity and relatively high mechanical strength, and are therefore very suitable for use as thermal insulation pipes in refrigeration circuits.
Further, in order to ensure the heat retaining effect of the first heat retaining pipe 25, the heat conductivity of the first heat retaining pipe 25 is less than or equal to 1.00W/m · K.
Furthermore, the joint of the heat exchange tube of the cold heat exchanger 21 and the first heat preservation pipeline 25 and the joint of the heat exchange tube of the cold heat exchanger 22 and the first heat preservation pipeline 25 are coated with sealant. The first heat preservation pipeline 25 and the heat exchange pipes of the cold taking heat exchanger 21 and the first heat preservation pipeline 25 and the cold sending heat exchanger 22 are in threaded fit. In order to ensure the sealing performance of the joint of the first heat preservation pipeline 25 and the heat exchange pipe of the cold taking heat exchanger 21 and the joint of the heat exchange pipe of the cold sending heat exchanger 22 and the first heat preservation pipeline 25, sealant is coated on the sealing positions to prevent secondary refrigerant leakage caused by poor sealing of the joint.
In another embodiment, as shown in fig. 4, the ducts further comprise a second insulated duct 26 connecting the coolant outlet of the cold sending heat exchanger 22 and the coolant inlet of the cold taking heat exchanger 21, and the thermal conductivity of the second insulated duct 26 is lower than that of the metal pipe. It can be understood that by providing the first heat-preserving conduit 25, the cold energy loss in the transportation stage of the coolant flowing from the cooling heat exchanger 21 to the cooling heat exchanger 22 can be reduced, and the lack of cold energy in the cooling air supply can be prevented. By providing the second thermal insulation pipe 26, the cold energy loss in the return stage of the coolant flowing from the cold sending heat exchanger 22 to the cold taking heat exchanger 21 can be reduced, and the coolant is prevented from consuming more cold in the cold storage box 13 due to an excessively high temperature when returning to the cold taking heat exchanger 21. Therefore, the embodiment can further reduce the cold energy loss of the refrigeration loop and improve the cold energy utilization rate of the mobile air conditioner. It should be noted that the second thermal insulation pipeline 26 and the first thermal insulation pipeline 25 have substantially the same structure, and for the specific structure of the second thermal insulation pipeline 26, reference is made to the structure of the first thermal insulation pipeline 25 in the above embodiment, which is not described in detail herein.
The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.
Claims (10)
1. A mobile air conditioner, characterized in that the mobile air conditioner comprises:
the cold accumulation system comprises a cold accumulation box, a compressor, an evaporator and a condenser, wherein the compressor, the condenser and the evaporator are sequentially communicated to form a cold accumulation loop, and the evaporator is arranged in the cold accumulation box;
the cooling heat exchanger is arranged in the cold storage box;
the heat exchanger comprises a cold sending heat exchanger, the cold sending heat exchanger and the cold taking heat exchanger are connected through a pipeline to form a refrigerating loop, the pipeline comprises a first heat-preserving pipeline which is connected with a secondary refrigerant inlet of the cold sending heat exchanger and a secondary refrigerant outlet of the cold taking heat exchanger, and the heat conductivity coefficient of the first heat-preserving pipeline is lower than that of a metal pipe.
2. The mobile air conditioner of claim 1, wherein the first heat-insulating pipe comprises an inner pipe for circulating the coolant and a heat-insulating layer, and the heat-insulating layer is a heat-insulating pipe sleeved on the outer circumference of the inner pipe.
3. The mobile air conditioner of claim 2, wherein the material of the insulation layer comprises any one of polyethylene insulation, polyurethane insulation, rock wool, and glass wool.
4. The mobile air conditioner of claim 2, wherein the inner pipe and the insulation layer are spaced apart to form a vacuum chamber.
5. The mobile air conditioner of claim 1, wherein the first heat-insulating pipe comprises an inner pipe for the coolant to flow through and a heat-insulating layer, and the heat-insulating layer is a heat-insulating coating layer coated on the outer circumference of the inner pipe.
6. The mobile air conditioner as claimed in claim 5, wherein the material of the thermal insulation coating layer comprises any one of nano hollow ceramic beads, inorganic polymer, rubber powder polyphenyl particles and inorganic vitrified beads.
7. The mobile air conditioner of claim 1, wherein the first heat-preserving pipe is a non-metal pipe, and the first heat-preserving pipe comprises any one of a plastic pipe, a rubber pipe, and a perspex pipe.
8. The mobile air conditioner of claim 1, wherein the first heat-preserving conduit has a thermal conductivity less than or equal to 1.00W/m-K.
9. The mobile air conditioner as claimed in claim 1, wherein the junction of the heat exchange tube of the cooling heat exchanger and the first heat preservation pipe and the junction of the heat exchange tube of the cooling heat exchanger and the first heat preservation pipe are coated with sealant.
10. The mobile air conditioner according to any one of claims 1 to 9, wherein the duct further comprises a second heat-insulating duct connecting the coolant outlet of the cold sending heat exchanger and the coolant inlet of the cold taking heat exchanger, and the second heat-insulating duct has a thermal conductivity lower than that of the metal pipe.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921515089.XU CN210601996U (en) | 2019-09-10 | 2019-09-10 | Mobile air conditioner |
| PCT/CN2019/111856 WO2021046967A1 (en) | 2019-09-10 | 2019-10-18 | Mobile air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921515089.XU CN210601996U (en) | 2019-09-10 | 2019-09-10 | Mobile air conditioner |
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| Publication Number | Publication Date |
|---|---|
| CN210601996U true CN210601996U (en) | 2020-05-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921515089.XU Active CN210601996U (en) | 2019-09-10 | 2019-09-10 | Mobile air conditioner |
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| CN (1) | CN210601996U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112484183A (en) * | 2020-11-18 | 2021-03-12 | 苏州市朗吉科技有限公司 | Energy-saving cooling air conditioner for communication base station |
| CN114322142A (en) * | 2021-12-31 | 2022-04-12 | 广东美的白色家电技术创新中心有限公司 | Cold accumulation device, refrigeration system, refrigeration equipment and control method thereof |
| CN114468413A (en) * | 2022-02-10 | 2022-05-13 | 广东技术师范大学 | Liquid-cooled air conditioning suit |
-
2019
- 2019-09-10 CN CN201921515089.XU patent/CN210601996U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112484183A (en) * | 2020-11-18 | 2021-03-12 | 苏州市朗吉科技有限公司 | Energy-saving cooling air conditioner for communication base station |
| CN114322142A (en) * | 2021-12-31 | 2022-04-12 | 广东美的白色家电技术创新中心有限公司 | Cold accumulation device, refrigeration system, refrigeration equipment and control method thereof |
| CN114322142B (en) * | 2021-12-31 | 2023-09-12 | 广东美的白色家电技术创新中心有限公司 | Cold accumulation device, refrigeration system, refrigeration equipment and control method of refrigeration equipment |
| CN114468413A (en) * | 2022-02-10 | 2022-05-13 | 广东技术师范大学 | Liquid-cooled air conditioning suit |
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