CN220105575U - Energy storage distributed temperature control system for environment test box - Google Patents
Energy storage distributed temperature control system for environment test box Download PDFInfo
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- CN220105575U CN220105575U CN202321617920.9U CN202321617920U CN220105575U CN 220105575 U CN220105575 U CN 220105575U CN 202321617920 U CN202321617920 U CN 202321617920U CN 220105575 U CN220105575 U CN 220105575U
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- 238000004146 energy storage Methods 0.000 title claims abstract description 44
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 61
- 238000010438 heat treatment Methods 0.000 claims abstract description 51
- 238000005057 refrigeration Methods 0.000 claims abstract description 41
- 230000007613 environmental effect Effects 0.000 claims abstract description 22
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 8
- 229910052802 copper Inorganic materials 0.000 claims description 8
- 239000010949 copper Substances 0.000 claims description 8
- 239000000498 cooling water Substances 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000011551 heat transfer agent Substances 0.000 description 33
- 238000001816 cooling Methods 0.000 description 22
- 239000003507 refrigerant Substances 0.000 description 11
- 239000006258 conductive agent Substances 0.000 description 10
- 238000005338 heat storage Methods 0.000 description 10
- 230000001276 controlling effect Effects 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 230000033228 biological regulation Effects 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The utility model discloses an energy storage distributed temperature control system for an environmental test box, which belongs to the technical field of environmental tests and comprises a refrigeration heating module, a heat conducting agent module, a control module and at least one test box body; the refrigerating and heating module is communicated with the test box body through the heat conducting agent module; according to the utility model, the refrigerating links of all test boxes are concentrated to one set of refrigerating system for execution, so that the accessories of the refrigerating system are reduced to a great extent, the system is simplified, the failure rate is reduced, and the system is more stable in operation; the refrigerating system of each test box body is not required to be cooled, so that the pipeline of a cooling water system is simplified, and the manufacturing cost is reduced; through concentrated refrigeration, the refrigerating capacity is distributed to different test boxes as required, the refrigerating capacity can be adjusted steplessly from zero, the condition that the refrigerating system needs to be operated and has the lowest energy consumption only by the refrigerating capacity in an independent refrigerating system is avoided, and the device generally reduces the energy consumption and is more environment-friendly.
Description
Technical Field
The utility model relates to the technical field of environmental tests, in particular to an energy storage distributed temperature control system for an environmental test chamber.
Background
In the field of environmental tests, an environmental laboratory apparatus generally corresponds to a set of refrigeration systems, and each set of refrigeration system has corresponding refrigeration accessories, such as a refrigeration compressor, a condenser, an oil separator, an electromagnetic valve, an expansion valve, and the like; the refrigeration accessories can be used in a large scale in a mass-used environment instrument, and corresponding control modules for regulating and controlling the refrigeration accessories are also used in a large scale; if a water cooling system is used, cooling water and related pipelines are also required to be configured for each set of refrigeration system; the problems of complex system, high cost, high overall failure rate and the like are caused; it is therefore desirable to provide an energy storage distributed temperature control system for an environmental test chamber.
Disclosure of Invention
The utility model aims to provide an energy storage distributed temperature control system for an environmental test box, which has the advantages of reducing related accessories of a refrigerating system, simplifying related control modules, simplifying pipelines of a cooling water system, reducing manufacturing cost, reducing failure rate to a great extent and enabling the system to run more stably, so as to solve the problems in the background technology.
In order to achieve the above purpose, the utility model provides an energy storage distributed temperature control system for an environmental test chamber, which comprises a refrigeration heating module, a heat conducting agent module, a control module and at least one test chamber body; the refrigerating and heating module is communicated with the test box body through the heat conducting agent module, and the control module is arranged in a matched mode with the test box body;
the refrigerating and heating module comprises a refrigerating compressor, a throttling device, an evaporator and a heater; the refrigerating compressor, the throttling device, the evaporator and the heater are connected together through copper pipes;
the heat conducting agent module comprises a heat conducting agent energy storage box, a heat exchanger and a circulating pipeline; the heat conducting agent energy storage box, the heat exchanger and the circulating assembly are connected together through a circulating pipeline;
the control module comprises a controller and an inner box temperature sensor, and the controller and the inner box temperature sensor are installed in a matched mode with the test box body.
Preferably, the refrigerating and heating module further comprises a refrigerating assembly; the refrigeration assembly is connected to the refrigeration compressor.
Preferably, the refrigeration assembly comprises a condenser, and the refrigeration compressor, the condenser, the throttling device and the evaporator are sequentially connected by copper pipes to form a circulation system.
Preferably, the refrigeration assembly comprises a precooler and a condenser, and the refrigeration compressor, the precooler, the condenser, the throttling device and the evaporator are sequentially connected by copper pipes to form a circulation system.
Preferably, the heat conductive agent module further comprises a circulation assembly; the circulating assembly is connected to the circulating pipeline.
Preferably, the circulation assembly comprises a flow pump, the flow pump is provided with a plurality of groups, and the heat conducting agent energy storage box, the flow pump and the heat exchanger are sequentially connected together through pipelines.
Preferably, the circulating assembly comprises a booster pump and a three-way proportional valve, the booster pump is provided with a group, the three-way proportional valve is provided with a plurality of groups, and the heat conducting agent energy storage box, the booster pump, the plurality of groups of three-way proportional valves and the heat exchanger are sequentially connected together through pipelines.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the refrigerating links of all test boxes are concentrated to one set of refrigerating system for execution, so that the accessories of the refrigerating system are reduced to a great extent, the system is simplified, the failure rate is reduced, and the system is more stable in operation; the refrigerating system of each test box body is not required to be cooled, so that the pipeline of a cooling water system is simplified, and the manufacturing cost is reduced; through concentrated refrigeration, the refrigerating capacity is distributed to different test boxes as required, the refrigerating capacity can be adjusted steplessly from zero, the condition that the refrigerating system needs to be operated and has the lowest energy consumption only by the refrigerating capacity in an independent refrigerating system is avoided, and the device generally reduces the energy consumption and is more environment-friendly.
Drawings
FIG. 1 is a schematic diagram of an energy storage distributed temperature control system for an environmental test chamber according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram of an energy storage distributed temperature control system for an environmental test chamber according to a second embodiment of the present utility model;
fig. 3 is a schematic structural diagram of an energy storage distributed temperature control system for an environmental test chamber in accordance with a third embodiment of the present utility model.
In the figure: 100. a refrigerating and heating module; 101. a refrigeration compressor; 102. a throttle device; 103. an evaporator; 104. a heater; 105. a condenser; 106. a precooler; 200. a thermal conductive agent module; 201. a heat conductive agent energy storage tank; 202. a heat exchanger; 203. a circulation line; 204. a flow pump; 205. a booster pump; 206. a three-way proportional valve; 300. a control module; 301. a controller; 302. an inner box temperature sensor; 400. and (3) a test box body.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
Referring to fig. 1, the present utility model provides an energy storage distributed temperature control system for an environmental test chamber, which includes a refrigeration and heating module 100, a heat conductive agent module 200, a control module 300 and a test chamber 400; the refrigerating and heating module 100 is communicated with the test box 400 through the heat conducting agent module 200, and the control module 300 is matched with the test box 400.
In the present embodiment, the cooling and heating module 100 includes a cooling compressor 101, a condenser 105, a throttling device 102, an evaporator 103, a heater 104 and related auxiliary accessories not shown. The refrigeration compressor 101, the condenser 105, the throttling device 102 and the evaporator 103 are sequentially connected by copper pipes to form a circulation system, the refrigeration system is filled with refrigerant, and the refrigerant circularly flows in the circulation system. The low-temperature low-pressure gaseous refrigerant is changed into high-temperature high-pressure gaseous refrigerant after working by the compressor, is changed into a normal-temperature high-pressure liquid state after heat release by the condenser 105, is changed into a low-temperature low-pressure gas-liquid mixture by the throttling function of the throttling device 102, and is then absorbed by the evaporator 103 to be changed into a low-temperature low-pressure gaseous state, and finally returns to the refrigeration compressor 101 to be compressed, thereby completing one cycle.
Preferably, the heat transfer agent module 200 includes a heat transfer agent storage tank 201, a plurality of flow pumps 204, a plurality of heat exchangers 202, a circulation line 203, and a heat transfer agent flowing in the system. The heat conducting agent energy storage tank 201, the flow pump 204 and the heat exchanger 202 are sequentially connected through pipelines to form a plurality of circulating pipelines 203, and the heat conducting agent energy storage tank 201 and the pipelines are filled with a proper heat conducting agent. The evaporator 103 and the heater 104 of the cooling and heating module 100 are installed in the heat transfer agent storage tank 201, and exchange heat with the heat transfer agent, respectively, to lower or raise the temperature of the heat transfer agent. Each test chamber 400 is provided with a heat exchanger 202 and a set of circulation pipes 203 which are arranged inside, each set of circulation pipes 203 is provided with a flow pump 204, and the flow rate of the heat conducting agent in the circulation pipes 203 is controlled by controlling the operating frequency of the flow pump 204, so that the refrigerating capacity or the heating capacity of the test chamber 400 is further controlled.
It is noted that the control module 300 includes a controller 301, an internal tank temperature sensor 302, and a flow pump 204. The temperature of the inner box of the test box 400 detected by the inner box temperature sensor 302 is compared with the set value of the temperature of the inner box, and the controller 301 controls the cooling capacity or heating capacity of the flow control heat exchanger 202 of the flow pump 204 by PID adjustment. When the cooling load or the heating load of the test chamber 400 is large, the controller 301 increases the flow rate of the heat conductive agent in the circulation line 203 by increasing the operating frequency of the flow pump 204, thereby further controlling the cooling capacity or the heating capacity of the test chamber 400. When the cooling load or the heating load is small, the controller 301 reduces the operation frequency of the flow pump 204 to reduce the flow rate of the heat transfer agent in the circulation line 203, further reduces the cooling capacity or the heating capacity of the heat exchanger 202 of the test box 400, and adapts the cooling capacity or the heating capacity to the load.
The specific control method is as follows:
when refrigeration is needed: the heat conducting agent energy storage box 201 is filled with a proper amount of heat conducting agent, before the test box 400 is used, the refrigerating and heating module 100 cools the heat conducting agent in the heat conducting agent energy storage box 201 to a certain temperature in advance to achieve the purpose of cold storage, the temperature is defined as cold storage temperature, the cold storage temperature is lower than the lowest test temperature of all the test boxes 400, and after the temperature of the heat conducting agent is reduced to the cold storage temperature, the refrigerating and heating module 100 stops running. As the cooling capacity of the heat transfer agent is consumed, the temperature of the heat transfer agent in the heat transfer agent storage tank 201 is gradually increased, and when the temperature is increased to a certain temperature, the cooling and heating module 100 is turned on again, so that the temperature of the heat transfer agent is reduced to the cooling storage temperature again. When each test box 400 needs to be refrigerated, the respective control module 300 regulates and controls the flow of the heat conducting agent of each circulation pipeline 203 according to the respective cooling load in a PID regulation mode so as to meet the refrigeration requirement of each test box 400.
When heating is needed: before the test box 400 is used, the refrigerating and heating module 100 heats the heat conducting agent in the heat conducting agent energy storage box 201 to a certain temperature in advance to achieve the heat storage purpose, the temperature is defined as heat storage temperature, the heat storage temperature is higher than the highest test temperature of all the test box 400, and the refrigerating and heating module 100 stops running after the temperature of the heat conducting agent rises to the heat storage temperature. As the heat of the heat conducting agent is consumed, the temperature of the heat conducting agent in the heat conducting agent energy storage tank 201 gradually decreases, and when the temperature decreases to a certain temperature, the refrigeration and heating module 100 is turned on again, so that the temperature of the heat conducting agent increases to the heat storage temperature again. When each test box 400 needs to be heated, the respective control module 300 regulates and controls the flow of the heat conducting agent of each circulation pipeline 203 according to the respective heat load in a PID regulation mode so as to meet the heating requirement of each test box 400.
Example two
Referring to fig. 2, the present utility model provides an energy storage distributed temperature control system for an environmental test chamber, which includes a refrigeration and heating module 100, a heat conductive agent module 200, a control module 300 and a test chamber 400; the refrigerating and heating module 100 is communicated with the test box 400 through the heat conducting agent module 200, and the control module 300 is matched with the test box 400.
Unlike the first embodiment, the following is:
the heat transfer agent module 200 includes a heat transfer agent storage tank 201, a booster pump 205, a plurality of three-way proportional valves 206, a plurality of heat exchangers 202, a circulation line 203, and a heat transfer agent flowing in the system. The heat conducting agent energy storage tank 201, the booster pump 205, the plurality of three-way proportional valves 206 and the heat exchanger 202 are sequentially connected through pipelines to form a plurality of circulating pipelines 203, and the heat conducting agent energy storage tank 201 and the pipelines are filled with a proper heat conducting agent. The evaporator 103 and the heater 104 of the cooling and heating module 100 are installed in the heat transfer agent storage tank 201 to exchange heat with the heat transfer agent, so that the temperature of the heat transfer agent is lowered or raised. Each test chamber 400 is provided with a heat exchanger 202 and a set of circulation pipelines 203 which are arranged in the test chamber, each set of circulation pipelines 203 is provided with a three-way proportional valve 206, and the opening degree of the three-way proportional valve 206 is controlled to control the flow rate of the heat conducting agent in the circulation pipelines 203 and further control the refrigerating capacity or the heating capacity of the test chamber 400.
Example III
Referring to fig. 3, the present utility model provides an energy storage distributed temperature control system for an environmental test chamber, which includes a refrigeration and heating module 100, a heat conductive agent module 200, a control module 300 and a test chamber 400; the refrigerating and heating module 100 is communicated with the test box 400 through the heat conducting agent module 200, and the control module 300 is matched with the test box 400.
Unlike the first and second embodiments, the following are:
the cooling and heating module 100 includes a cooling compressor 101, a precooler 106, a condenser 105, a throttling device 102, an evaporator 103, a heater 104 and related auxiliary accessories not shown. The refrigeration compressor 101, the precooler 106, the condenser 105, the throttling device 102 and the evaporator 103 are sequentially connected by copper pipes to form a circulation system, the refrigeration system is filled with refrigerant, and the refrigerant circularly flows in the circulation system. The low-temperature low-pressure gaseous refrigerant is changed into a high-temperature high-pressure gaseous refrigerant through the work of the refrigeration compressor 101, the high-temperature high-pressure gaseous refrigerant enters the precooler 106 to release a certain amount of heat and reduce the temperature, then flows through the condenser 105 to release heat and then is changed into a normal-temperature high-pressure liquid state, the refrigerant at the outlet of the throttling device 102 is changed into a low-temperature low-pressure gas-liquid mixture through the throttling effect of the throttling device 102, the refrigerant enters the evaporator 103 again to absorb heat and is changed into a low-temperature low-pressure gaseous state, and finally returns to the refrigeration compressor 101 to be compressed, so that one cycle is completed.
The heat transfer agent module 200 includes two sets of heat transfer agent storage tanks 201, a plurality of flow pumps 204, a plurality of heat exchangers 202, a circulation line 203, and heat transfer agent flowing in the system. The first group of heat-conducting agent energy storage boxes 201 and the second group of heat-conducting agent energy storage boxes 201 are respectively connected with the corresponding flow pump 204 and the corresponding heat exchanger 202 in sequence through pipelines to form a plurality of circulating pipelines 203, and the heat-conducting agent energy storage boxes 201 and the pipelines are filled with proper heat-conducting agents. The evaporator 103 and the heater 104 of the cooling and heating module 100 are installed in the first group of heat-conductive agent storage tanks 201, and exchange heat with the heat-conductive agent, respectively, to lower or raise the temperature of the heat-conductive agent. Precooler 106 is mounted within a second set of heat-transfer agent storage tanks 201 and emits heat to raise the temperature of the heat-transfer agent. Each test chamber 400 is provided with a heat exchanger 202 and a set of circulation pipes 203 which are arranged inside, each set of circulation pipes 203 is provided with a flow pump 204, and the flow rate of the heat conducting agent in the circulation pipes 203 is controlled by controlling the operating frequency of the flow pump 204, so that the refrigerating capacity or the heating capacity of the test chamber 400 is further controlled.
It should be noted that the specific control manner is as follows:
the heat transfer agent in the first group of heat transfer agent storage tanks 201 can be cooled or heated, so that the test tank 400 forming a loop with the first group of heat transfer agent storage tanks 201 can be subjected to a low temperature test or a high temperature test.
When refrigeration is needed: the first group of heat-conducting agent energy storage boxes 201 are filled with a proper amount of heat-conducting agent, before the test box body 400 is used, the refrigerating and heating module 100 cools the heat-conducting agent in the first group of heat-conducting agent energy storage boxes 201 to a certain temperature in advance to achieve the purpose of cold storage, the temperature is defined as cold storage temperature, the cold storage temperature is lower than the lowest test temperature of all the test box bodies 400, and after the heat-conducting agent temperature is lowered to the cold storage temperature, the refrigerating and heating module 100 stops running. As the cooling capacity of the heat transfer agent is consumed, the temperature of the heat transfer agent in the first group of heat transfer agent storage tanks 201 is gradually increased, and when the temperature is increased to a certain temperature, the cooling and heating module 100 is turned on again, so that the temperature of the heat transfer agent is reduced to the cooling storage temperature again. When each test box 400 needs to be refrigerated, the respective control module 300 regulates and controls the flow of the heat conducting agent of each circulation pipeline 203 according to the respective cooling load in a PID regulation mode so as to meet the refrigeration requirement of each test box 400.
When heating is needed: before the test box 400 is used, the refrigerating and heating module 100 heats the heat conducting agent in the first group of heat conducting agent energy storage boxes 201 to a certain temperature in advance to achieve the heat storage purpose, wherein the temperature is defined as heat storage temperature, the heat storage temperature is higher than the highest test temperature of all the test box 400, and the refrigerating and heating module stops running after the heat conducting agent temperature rises to the heat storage temperature. As the heat of the heat-conducting agent is consumed, the temperature of the heat-conducting agent in the first group of heat-conducting agent energy storage boxes 201 gradually decreases, and when the temperature decreases to a certain temperature, the refrigeration and heating module 100 is turned on again, so that the temperature of the heat-conducting agent increases to the heat storage temperature again. When each test box 400 needs to be heated, the respective control module 300 regulates and controls the flow of the heat conducting agent of each circulation pipeline 203 according to the respective heat load in a PID regulation mode so as to meet the heating requirement of each test box 400.
The heat transfer agent in the second group of heat transfer agent storage tanks 201 only absorbs the heat released by the precooler 106, so that the secondary coolant in the second group of heat transfer agent storage tanks 201 only can raise the temperature, and the test tank 400 forming a loop with the second group of heat transfer agent storage tanks 201 can only perform high-temperature tests. The control module 300 controls the heating capacity of each test box 400 by controlling the flow pump 204, and if the maximum liquid supply flow of the flow pump 204 still cannot meet the heating requirement, the auxiliary electric heater 104 in the corresponding test box 400 needs to be started for heating and supplementing so as to meet the heating condition.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. An energy storage distributed temperature control system for an environmental test chamber is characterized by comprising a refrigeration heating module (100), a heat conducting agent module (200), a control module (300) and at least one test chamber body (400); the refrigerating and heating module (100) is communicated with the test box body (400) through the heat conducting agent module (200), and the control module (300) is arranged in a matched mode with the test box body (400);
the refrigerating and heating module (100) comprises a refrigerating compressor (101), a throttling device (102), an evaporator (103) and a heater (104); the refrigerating compressor (101), the throttling device (102), the evaporator (103) and the heater (104) are connected together through copper pipes;
the heat conducting agent module (200) comprises a heat conducting agent energy storage box (201), a heat exchanger (202) and a circulating pipeline (203); the heat conducting agent energy storage box (201), the heat exchanger (202) and the circulating assembly are connected together through a circulating pipeline (203);
the control module (300) comprises a controller (301) and an inner box temperature sensor (302), and the controller (301) and the inner box temperature sensor (302) are installed in a matched mode with the test box body (400).
2. The energy storage distributed temperature control system for an environmental test chamber of claim 1, wherein: the refrigerating and heating module (100) further comprises a refrigerating assembly; the refrigeration assembly is connected to a refrigeration compressor (101).
3. The energy storage distributed temperature control system for an environmental test chamber of claim 2, wherein: the refrigeration assembly comprises a condenser (105), and the refrigeration compressor (101), the condenser (105), the throttling device (102) and the evaporator (103) are sequentially connected through copper pipes to form a circulation system.
4. The energy storage distributed temperature control system for an environmental test chamber of claim 2, wherein: the refrigeration assembly comprises a precooler (106) and a condenser (105), and the refrigeration compressor (101), the precooler (106), the condenser (105), the throttling device (102) and the evaporator (103) are sequentially connected by copper pipes to form a circulation system.
5. The energy storage distributed temperature control system for an environmental test chamber of claim 1, wherein: the thermal conductivity agent module (200) further comprises a circulation assembly; the circulating assembly is connected to a circulating pipeline (203).
6. The energy storage distributed temperature control system for an environmental test chamber of claim 5, wherein: the circulating assembly comprises a flow pump (204), the flow pump (204) is provided with a plurality of groups, and the heat conducting agent energy storage box (201), the flow pump (204) and the heat exchanger (202) are sequentially connected together through pipelines.
7. The energy storage distributed temperature control system for an environmental test chamber of claim 5, wherein: the circulating assembly comprises a booster pump (205) and a three-way proportional valve (206), wherein the booster pump (205) is provided with a group, the three-way proportional valve (206) is provided with a plurality of groups, and the heat conducting agent energy storage box (201), the booster pump (205), the plurality of groups of three-way proportional valves (206) and the heat exchanger (202) are sequentially connected together through pipelines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321617920.9U CN220105575U (en) | 2023-06-21 | 2023-06-21 | Energy storage distributed temperature control system for environment test box |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321617920.9U CN220105575U (en) | 2023-06-21 | 2023-06-21 | Energy storage distributed temperature control system for environment test box |
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| CN220105575U true CN220105575U (en) | 2023-11-28 |
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| CN202321617920.9U Active CN220105575U (en) | 2023-06-21 | 2023-06-21 | Energy storage distributed temperature control system for environment test box |
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- 2023-06-21 CN CN202321617920.9U patent/CN220105575U/en active Active
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