CN212566092U - Electric cold storage type cold air supply device - Google Patents
Electric cold storage type cold air supply device Download PDFInfo
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- CN212566092U CN212566092U CN202021782802.XU CN202021782802U CN212566092U CN 212566092 U CN212566092 U CN 212566092U CN 202021782802 U CN202021782802 U CN 202021782802U CN 212566092 U CN212566092 U CN 212566092U
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- 238000009413 insulation Methods 0.000 claims description 11
- 239000011810 insulating material Substances 0.000 claims description 10
- 238000005338 heat storage Methods 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
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- 229910052802 copper Inorganic materials 0.000 claims description 3
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- 239000012774 insulation material Substances 0.000 description 8
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- 239000002440 industrial waste Substances 0.000 description 3
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- 238000001179 sorption measurement Methods 0.000 description 1
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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
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Abstract
An embodiment of the utility model provides an electricity cold-storage formula cold wind feeding device relates to heat energy technical field. The heat-preserving device comprises a heat-preserving cavity, a vapor compression type refrigerator, a low-grade heat collector, a heat-driven refrigerator, a heat exchanger and a cold-storage medium arranged in the heat-preserving cavity, wherein the heat-preserving cavity is provided with an air inlet and an air outlet, the refrigerator with a higher cold source temperature in the heat-driven refrigerator and the vapor compression type refrigerator is arranged at the air inlet, the vapor compression type refrigerator is arranged at the air inlet side of the cold-storage medium and is thermally connected with the cold-storage medium, the low-grade heat collector is arranged outside the heat-preserving cavity and is connected with the hot end of the heat-driven refrigerator, the heat exchanger is arranged in the heat-preserving cavity, and. The electric cold accumulation type cold air supply device is provided with the vapor compression type refrigerating machine, and the low-grade heat collector continuously operates to collect heat and supply cold, so that the power consumption is reduced.
Description
Technical Field
The utility model relates to a heat energy technical field especially relates to an electricity cold-storage formula cold wind feeding device.
Background
With the rapid development of the power industry, more and more power station systems emerge in China. During the power consumption peak period, the load is reduced, so that a large amount of off-peak electricity is remained, the power product is characterized in that production, supply and marketing are completed simultaneously, and the large amount of off-peak electricity is remained, so that the waste of power resources is caused, and the energy conservation and the environmental protection are not facilitated. Therefore, the off-peak electricity and the peak electricity adopt different electricity prices to urge people to use electricity by staggering peaks, the energy utilization rate is improved, and the waste is reduced.
In hot summer, the temperature in the room needs to be lowered by providing cold air, and various refrigeration devices are used in industrial production to provide the required production temperature. The traditional way is to cool by means of an air conditioner. However, the air conditioner is directly driven by electric energy, so that the power consumption is high and the resource waste is serious. In recent years, some vapor compression type electric cold storage devices have appeared, which convert low-valley electricity (usually at night) with low price into cold energy through a refrigerator and store the cold energy in a cold storage medium; in the peak electricity stage (usually daytime) with the highest price, the room temperature air and the cold storage medium are converted into low temperature air after heat exchange, and the low temperature air is supplied to users, so that the electricity consumption cost of refrigeration is reduced. However, the whole equipment only depends on electric energy in the process of storing the electric energy, the power consumption is large, and the cooling cost is still higher.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides an electricity cold-storage formula cold wind feeding device for solve among the prior art defect that the cooling is with high costs, reduce the electric energy consumption.
The embodiment of the utility model provides an electric cold storage type cold air supply device, which comprises a heat preservation cavity, a vapor compression type refrigerator, a low-grade heat collector, a heat energy driving type refrigerator, a heat exchanger and a cold storage medium arranged in the heat preservation cavity, the heat preservation cavity is provided with an air inlet and an air outlet, the refrigerator with higher cold source temperature in the heat energy driving type refrigerator and the vapor compression type refrigerator is arranged at the air inlet, the vapor compression type refrigerating machine is arranged on the air inlet side of the cold accumulation medium and is in thermal connection with the cold accumulation medium, the low-grade heat collector is arranged outside the heat insulation cavity and is connected with the hot end of the heat energy driving type refrigerator, the heat exchanger is located in the heat preservation cavity, and the heat exchanger is thermally connected with the refrigerating machine with the lower cold source temperature in the heat energy driving type refrigerating machine and the vapor compression type refrigerating machine.
According to the utility model discloses an electricity cold-storage cold wind feeding device, vapor compression formula refrigerator includes consecutive condenser, compressor, evaporimeter and choke valve, the driving refrigerator of heat energy is installed air intake department, the evaporimeter is installed in the heat preservation cavity and be located the top of the driving refrigerator of heat energy, the heat exchanger with the evaporimeter thermal connection, the heat exchanger with be equipped with thermal insulation material between the cold junction of the driving refrigerator of heat energy.
According to the utility model discloses an electric cold storage formula cold wind feeding device, the vapor compression refrigerator is installed air intake department, the heat exchanger with the cold junction thermal connection of the driving refrigerator of heat energy, the heat exchanger sets up the intake side or the air-out side of cold-storage medium works as the heat exchanger sets up during the intake side of cold-storage medium, the condenser of vapor compression refrigerator with be provided with thermal insulation material between the heat exchanger.
According to an embodiment of the present invention, the electric cold storage type cold air supply device, the heat driving type refrigerator adopts a vuilleumier type refrigerator.
According to the utility model discloses an electricity cold-storage cold wind feeding device, the Weile Miller type refrigerator is including consecutive low temperature chamber, middle temperature chamber and high temperature chamber, the high temperature chamber with low-grade heat collector thermal connection, the low temperature chamber is laid in the heat preservation cavity and with heat exchanger thermal connection.
According to the utility model discloses an electricity cold-storage cold wind feeding device, the heat preservation cavity includes outer wall and inner wall, the outer wall is located the outside of inner wall, the inner wall with the accommodation space intussuseption that the outer wall links to each other to form is filled with insulation material.
According to the utility model discloses an electric cold-storage cold wind feeding device, the ball that cold-storage medium adopted phase change heat accumulation material or any kind of metal of stainless steel, copper, plumbous to make, silk screen or block structure.
According to the utility model discloses an electricity cold-storage cold wind feeding device, the cold-storage medium will the heat preservation cavity separates for left cavity and right cavity, the air intake with the air outlet is laid respectively left cavity with right cavity.
According to the utility model discloses an electricity cold-storage cold wind feeding device, fixed mounting has the base in the insulation chamber, the cold-storage medium piles up on the base.
According to the utility model discloses an electricity cold-storage cold wind feeding device, the air intake is located the bottom of heat preservation cavity body and orientation the base sets up, the air outlet is located the play gas side of cold-storage medium and corresponding to the base sets up.
The embodiment of the utility model provides an electricity cold accumulation formula cold wind feeding device, including vapor compression refrigerator, it refrigerates in the low ebb electricity stage, and the peak electricity stage stops work and is cooled by cold-storage medium, saves the power consumption cost; the electric cold accumulation type cold air supply device is also provided with a low-grade heat collector and a heat energy driving type refrigerating machine, so that low-grade heat such as solar energy, industrial waste heat and the like can be continuously collected for refrigeration, and the power consumption of the vapor compression type refrigerating machine is further reduced.
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, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an electric cold storage type cold air supply device provided when the temperature of a cold source of a heat energy driven refrigerator is lower than that of a vapor compression type refrigerator according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of another electric cold storage type cold air supply device provided when the temperature of the cold source of the heat energy driven refrigerator is lower than that of the vapor compression refrigerator according to the embodiment of the present invention;
fig. 3 is a schematic structural diagram of an electric cold storage type cold air supply device provided when the temperature of the cold source of the thermal driving type refrigerator is higher than that of the vapor compression type refrigerator according to an embodiment of the present invention.
Reference numerals:
10. a heat preservation cavity; 11. an air inlet; 12. an air outlet; 13. an outer wall; 14. an inner wall; 15. A thermal insulation material; 20. a vapor compression refrigerator; 21. an evaporator; 22. a throttle valve; 23. a condenser; 24. a compressor; 30. a cold storage medium; 40. a low grade heat collector; 50. A heat exchanger; 60. a thermal energy driven refrigerator; 61. a low temperature chamber; 62. a medium temperature cavity; 63. a high temperature chamber; 70. a thermal insulation material; 80. a base.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. 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.
In the description of the embodiments of the present invention, it should be noted that the terms "first" and "second" are used for clearly indicating the numbering of the product parts and do not represent any substantial difference unless explicitly stated or limited otherwise. The directions of "up", "down", "left" and "right" are all based on the directions shown in the attached drawings. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.
The structure of the electric cold storage type cold air supply apparatus according to the embodiment of the present invention will be described with reference to fig. 1 to 3.
As shown in fig. 1 to 3, an electric cold storage type cold air supply device according to an embodiment of the present invention includes a heat preservation chamber 10, a vapor compression refrigerator 20, a cold storage medium 30, a low-grade heat collector 40, a heat exchanger 50, and a thermal driving refrigerator 60. The heat preservation cavity 10 is provided with an air inlet 11 and an air outlet 12, and the vapor compression type refrigerator 20 and the heat energy driving type refrigerator 60 are provided with the refrigerators with higher cold source temperature at the air inlet 11. The cold accumulation medium 30 is arranged in the heat preservation cavity 10 and is positioned at the air inlet side of the cold accumulation medium 30, and the vapor compression type refrigerator 20 is thermally connected with the cold accumulation medium 30. The low-grade heat collector 40 is positioned outside the heat preservation cavity 10, and the low-grade heat collector 40 is connected with the hot end of the heat energy driving type refrigerator 60. The heat exchanger 50 is located in the heat-insulating cavity 10, and the heat exchanger 50 is thermally connected to the vapor compression refrigerator 20 and the heat-driven refrigerator 60, in which the temperature of the cooling source is lower. Outside air enters the refrigerator with higher cold source temperature from the air inlet 11 to be primarily cooled, and then is further cooled under the action of the refrigerator with lower cold source temperature through the heat exchanger 50, so that the air temperature gradient is reduced, the heat utilization rate is improved, and the cooled air is discharged from the air outlet 12. The vapor compression refrigerator 20 is operated in a low-peak power phase and stopped in a high-peak power phase. The low-grade heat collector 40 absorbs external solar energy or waste heat.
When the cold storage device is used, in the valley electricity stage, the vapor compression type refrigerator 20 and the heat energy driving type refrigerator 60 are started, the low-grade heat collector 40 is in a working state, air entering from the air inlet 11 is primarily cooled through the refrigerator with a high cold source temperature, then is cooled again through the heat exchanger 50 under the effect of the refrigerator with a low cold source temperature and is supplied to a user, and part of cold energy is transferred to the cold storage medium 30 for storage in the air flowing process. In the peak power phase, the vapor compression refrigerator 20 stops working, the heat energy driven refrigerator 60 and the low-grade heat collector 40 continue working, and when the cold source temperature of the heat energy driven refrigerator 60 is low, the outside air is exhausted after passing through the vapor compression refrigerator 20, the heat exchanger 50 and the cold accumulation medium 30; when the cold source temperature of the thermal driving type refrigerator is high, the outside air passes through the thermal driving type refrigerator 60, the heat exchanger 50 and the cold storage medium 30 and is discharged. Therefore, the off-peak electricity is utilized for energy storage, the utilization rate of the electric energy is improved, and the cost is reduced. It should be noted that, during the peak power period, the vapor compression refrigerator 20 may also continue to operate, specifically, according to the practical working condition.
The embodiment of the utility model provides an electricity cold-storage type cold wind feeding device, including vapor compression refrigerator 20 and heat energy drive type refrigerator 60, air intake 11 department installs the refrigerator that the cold source temperature is lower, carries out preliminary cooling to the air; the vapor compression type refrigerator 20 refrigerates in the low-ebull electricity stage, and stops working in the high-peak electricity stage to supply cold by the cold accumulation medium 30, so that the electricity cost is saved; the electric cold accumulation type cold air supply device is also provided with a low-grade heat collector 40 which continuously collects low-grade heat such as solar energy, industrial waste heat and the like for refrigeration, so that the power consumption of the vapor compression type refrigerator 20 is further reduced; the thermal drive type refrigerator 60 does not need to be driven by electric power, further reducing power consumption.
The vapor compression refrigerator 20 includes an evaporator 21, a throttle valve 22, a condenser 23, and a compressor 24 connected in series. As shown in fig. 1 to 3, the condenser 23 is located inside the insulating chamber 10, and the evaporator 21, the throttle valve 22 and the compressor 24 are located outside the insulating chamber 10. The evaporator 21, the throttle valve 22, the condenser 23, and the compressor 24 are connected in sequence via connecting pipes. The connecting pipe connecting the evaporator 21 and the compressor 24 passes through the wall surface of the heat-insulating chamber 10, the connecting pipe connecting the evaporator 21 and the throttle valve 22 also passes through the wall surface of the heat-insulating chamber 10, and the air inlet 11 is provided in the region between the two connecting pipes.
As shown in fig. 1 and 2, when the temperature of the cold source of the thermal driving type refrigerator 60 is lower than the temperature of the cold source of the vapor compression refrigerator 20, the vapor compression refrigerator 20 is installed at the air inlet 11, and the heat exchanger 50 is thermally connected to the cold side of the thermal driving type refrigerator 60. The heat exchanger 50 may be installed on the air outlet side of the cold storage medium 30 or on the air inlet side of the cold storage medium 30. As shown in fig. 1, the heat exchanger 50 is installed on the air intake side of the cold storage medium 30, the heat driven refrigerator 60 is installed on the top of the heat exchanger 50, the air intake 11 is disposed below the vapor compression refrigerator 20, and in the off-peak electricity stage, the external air firstly passes through the vapor compression refrigerator 20 after entering, and then exchanges heat with the heat exchanger 50, so as to realize step cooling and improve the heat utilization rate. As shown in fig. 1, the heat exchanger 50 and the vapor compression refrigerator 20 are located on the same side of the cold storage medium 30, and in order to avoid irreversible loss due to heat transfer between the heat exchanger 50 and the evaporator 21 of the vapor compression refrigerator 20, a heat insulating material 70 is installed between the evaporator 21 and the heat exchanger 50, which are the cold ends of the vapor compression refrigerator 20. The heat insulating material 70 is made of heat insulating material such as glass wool or rock wool. As shown in fig. 2, the heat exchanger 50 is installed on the air outlet side of the cold storage medium 30 on the side different from the side of the vapor compression refrigerator 20 on which the cold storage medium 30 is installed, and in this case, the heat insulating material 70 does not need to be provided. In the off-peak electricity stage, the external air is primarily cooled by the vapor compression refrigerator 20 after entering, and then is discharged from the air outlet 12 after sequentially passing through the cold accumulation medium 30 and the heat exchanger 50.
When the temperature of the cold source of the thermal driving type refrigerator 60 is higher than the temperature of the cold source of the vapor compression refrigerator 20, as shown in fig. 3, the air inlet 11 is disposed below the cold end of the thermal driving type refrigerator 60, for example, below the low temperature chamber of the vuilleumier refrigerator; the evaporator 21 of the vapor compression refrigerator 20 is thermally connected to the heat exchanger 50, and a heat insulating material 70 is provided between the heat exchanger 50 and the cold end of the heat driven refrigerator 60, and the heat insulating material 70 is made of a heat insulating material such as glass wool or rock wool. After entering, the outside air is primarily cooled by the low temperature chamber of the vuilleumier refrigerator and then further cooled by the heat exchanger 50.
In the embodiment of the present invention, the thermal driving refrigerator 60 is a vuilleumier-type refrigerator, for example, may be a vuilleumier-type refrigerator, a vuilleumier-type pulse tube refrigerator, or a combination thereof. Specifically, the vuilleumier-type refrigerator includes a low-temperature chamber 61, a medium-temperature chamber 62, and a high-temperature chamber 63, which are connected in sequence. The low-temperature cavity 61 is located in the heat insulation cavity 10 and connected with the heat exchanger 50, the high-temperature cavity 63 is located outside the heat insulation cavity 10 and connected with the low-grade heat collector 40, and the low-grade heat collector 40 collects low-grade heat such as industrial waste heat and solar energy and transmits the low-grade heat to the heat exchanger 50 through the Ville Miller type refrigerating machine to provide cold for air.
The heat insulation cavity 10 comprises an outer wall 13 and an inner wall 14, the outer wall 13 is located on the outer side of the inner wall 14, and a containing space formed between the inner wall 14 and the outer wall 13 is filled with a heat insulation material 15. As shown in fig. 1, the inner wall 14 and the outer wall 13 are connected to each other to form a certain accommodating space therebetween, and the accommodating space is filled with a thermal insulation material 15 to prevent heat from being diffused outward, thereby improving the utilization rate of heat energy. The thermal insulation material 15 may be any one or a combination of more of polyester foam, glass wool and rock wool, and the embodiment of the present invention is not limited in this respect.
In the embodiment of the present invention, the cold storage medium 30 may be a ball, a wire mesh or a block structure made of a phase change heat storage material or a solid material such as stainless steel, copper, lead, etc., and the heat storage density is high. For example, the cold storage medium 30 is formed by stacking a plurality of stainless steel blocks. For another example, the cold storage medium 30 is high-temperature molten salt, and the high-temperature molten salt is stored in a case-like structure. Of course, a thermochemical heat storage material or an adsorption heat storage material may be used as the cold storage medium 30.
As shown in fig. 1, the cold storage medium 30 divides the heat preservation cavity 10 into a left chamber and a right chamber, and the air inlet 11 and the air outlet 12 are respectively arranged in the left chamber and the right chamber to ensure that the air entering the heat preservation cavity 10 passes through the cold storage medium 30 before being exhausted so as to fully absorb heat. For example, the air inlet 11 may be disposed in the left chamber, and correspondingly, the air outlet 12 may be disposed in the right chamber; for another example, the inlet 11 is disposed in the right chamber, and the outlet 12 is disposed in the left chamber. The vapor compression type refrigerator 20 is installed at the air inlet 11 to ensure that the temperature of the external air is initially raised through the condenser 23 after entering the air, and then raised to the required heating temperature through the cold storage medium 30 and the heat exchanger 50, so that the heat utilization rate and the air heating effect are improved. Specifically, the left chamber and the right chamber may be the same or different in size, and the left and right distinction is only used to distinguish the two chambers, and no orientation limitation is made. After entering from the air inlet 11, the outside air flows from one side chamber to the other side chamber, and absorbs heat to be converted into high-temperature air through the cold storage medium 30 in the flowing process.
Specifically, as shown in fig. 1, a base 80 is fixedly installed in the thermal insulation cavity 10, and the cold storage medium 30 is disposed on the base 80. The cold accumulation medium 30 is connected to the base 80 to divide the thermal insulation cavity 10 into two chambers. A certain gap is left between the cold accumulation medium 30 and the top of the heat preservation cavity 10 for the cold accumulation medium 30 to expand with heat and contract with cold.
In the embodiment of the present invention, the air inlet 11 is located at the bottom of the heat preservation cavity 10, and the air outlet 12 is arranged corresponding to the base 80. An air inlet fan can be arranged at the air inlet 11, and an air outlet fan can be arranged at the air outlet 12. The air entering from the air inlet 11 flows upwards from the bottom, passes through the evaporator 21 and the cold storage medium 30 in sequence, and is emitted from the air outlet 12 on the other side of the cold storage medium 30. The air outlet 12 is disposed corresponding to the base 80, so that the cold air passing through the cold storage medium 30 is fully mixed and then discharged, thereby avoiding uneven air temperature.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. An electric cold storage type cold air supply device is characterized by comprising a heat preservation cavity, a vapor compression type refrigerator, a low-grade heat collector, a heat energy driving type refrigerator, a heat exchanger and a cold storage medium arranged in the heat preservation cavity, the heat preservation cavity is provided with an air inlet and an air outlet, the refrigerator with higher cold source temperature in the heat energy driving type refrigerator and the vapor compression type refrigerator is arranged at the air inlet, the vapor compression type refrigerating machine is arranged on the air inlet side of the cold accumulation medium and is in thermal connection with the cold accumulation medium, the low-grade heat collector is arranged outside the heat insulation cavity and is connected with the hot end of the heat energy driving type refrigerator, the heat exchanger is located in the heat preservation cavity, and the heat exchanger is thermally connected with the refrigerating machine with the lower cold source temperature in the heat energy driving type refrigerating machine and the vapor compression type refrigerating machine.
2. The electric cold storage type cold air supply device according to claim 1, wherein the vapor compression type refrigerator includes a condenser, a compressor, an evaporator and a throttle valve connected in sequence, the heat energy driven type refrigerator is installed at the air inlet, the evaporator is installed in the heat insulating chamber and located above the heat energy driven type refrigerator, the heat exchanger is thermally connected to the evaporator, and a heat insulating material is provided between the heat exchanger and the cold end of the heat energy driven type refrigerator.
3. The electric cold storage-type cold air supply device according to claim 1, wherein the vapor compression refrigerator is installed at the air intake port, the heat exchanger is thermally connected to a cold end of the heat energy driven refrigerator, the heat exchanger is provided on an air intake side or an air outlet side of the cold storage medium, and when the heat exchanger is provided on the air intake side of the cold storage medium, a heat insulating material is provided between a condenser of the vapor compression refrigerator and the heat exchanger.
4. The electric cold-storage-type cold-wind supplying device according to claim 1, wherein the thermal-energy-driven refrigerator is a vuilleumier-type refrigerator.
5. The electric cold-storage cold-blast supply device according to claim 4, wherein said vuilleumier-type refrigerator comprises a low-temperature chamber, a medium-temperature chamber and a high-temperature chamber connected in sequence, said high-temperature chamber being thermally connected to said low-grade heat collector, said low-temperature chamber being arranged in said thermal insulation chamber and being thermally connected to said heat exchanger.
6. The electric cold-storage cold-blast supplying device according to any of claims 1 to 5, wherein said heat-insulating chamber comprises an outer wall and an inner wall, said outer wall is located outside said inner wall, and a receiving space formed by connecting said inner wall and said outer wall is filled with a heat-insulating material.
7. The cold-wind supply device of any one of claims 1 to 5, wherein the cold-storage medium is a phase-change heat-storage material or a ball, wire mesh or block structure made of any one of stainless steel, copper and lead.
8. The electric cold-storage cold-air supply device according to any one of claims 1 to 5, wherein the cold-storage medium divides the thermal insulation cavity into a left chamber and a right chamber, and the air inlet and the air outlet are respectively disposed in the left chamber and the right chamber.
9. The electric cold-storage cold-air supply device according to any one of claims 1 to 5, wherein a base is fixedly mounted in the warm chamber, and the cold-storage medium is stacked on the base.
10. The electric cold-storage cold-air supply device according to claim 9, wherein the air inlet is located at the bottom of the thermal insulation chamber and is disposed toward the base, and the air outlet is located at the air outlet side of the cold-storage medium and is disposed corresponding to the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021782802.XU CN212566092U (en) | 2020-08-24 | 2020-08-24 | Electric cold storage type cold air supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021782802.XU CN212566092U (en) | 2020-08-24 | 2020-08-24 | Electric cold storage type cold air supply device |
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| CN212566092U true CN212566092U (en) | 2021-02-19 |
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| CN202021782802.XU Active CN212566092U (en) | 2020-08-24 | 2020-08-24 | Electric cold storage type cold air supply device |
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| CN (1) | CN212566092U (en) |
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- 2020-08-24 CN CN202021782802.XU patent/CN212566092U/en active Active
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