CN220096084U - Photovoltaic photo-thermal coupling utilized integrated new energy heat pump air conditioning system for refrigerator car - Google Patents
Photovoltaic photo-thermal coupling utilized integrated new energy heat pump air conditioning system for refrigerator car Download PDFInfo
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- CN220096084U CN220096084U CN202321358834.0U CN202321358834U CN220096084U CN 220096084 U CN220096084 U CN 220096084U CN 202321358834 U CN202321358834 U CN 202321358834U CN 220096084 U CN220096084 U CN 220096084U
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- heat exchanger
- electromagnetic valve
- pipeline
- air conditioning
- heat
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 34
- 230000008878 coupling Effects 0.000 title claims abstract description 16
- 238000010168 coupling process Methods 0.000 title claims abstract description 16
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 16
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 47
- 239000003507 refrigerant Substances 0.000 claims description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 238000009825 accumulation Methods 0.000 claims description 7
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 4
- 230000010354 integration Effects 0.000 claims 1
- 239000002918 waste heat Substances 0.000 abstract description 15
- 238000010248 power generation Methods 0.000 abstract description 11
- 238000005057 refrigeration Methods 0.000 abstract description 11
- 238000010257 thawing Methods 0.000 description 10
- 238000010438 heat treatment Methods 0.000 description 5
- 238000005265 energy consumption Methods 0.000 description 4
- 239000004065 semiconductor Substances 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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- Air-Conditioning For Vehicles (AREA)
Abstract
The utility model relates to the technical field of air conditioning systems, in particular to a heat pump air conditioning system for a photovoltaic photo-thermal coupling utilized integrated new energy refrigeration vehicle, which comprises an external heat exchanger, a refrigeration carriage heat exchanger, a cab heat exchanger and a compressor, wherein one end of the external heat exchanger is connected with one end of the compressor through a fourth electromagnetic valve, a four-way reversing valve is arranged between the fourth electromagnetic valve and the compressor, the other end of the compressor is connected with one end of the cab heat exchanger through a ninth electromagnetic valve, and the other end of the cab heat exchanger is connected with the other end of the external heat exchanger through a twelfth electronic expansion valve and a seventh electronic expansion valve. The utility model can utilize the refrigerating carriage to refrigerate and simultaneously supply heat for the cab in winter, realize the utilization of waste heat, and utilize the waste heat generated by the power generation of the photovoltaic panel to defrost the heat exchanger outside the vehicle, thereby improving the heat exchange efficiency.
Description
Technical Field
The utility model relates to the technical field of air conditioning systems, in particular to a heat pump air conditioning system for a photovoltaic photo-thermal coupling utilized integrated new energy refrigerator car.
Background
At present, most of cab air conditioning systems and refrigerating systems of pure electric new energy refrigerated vehicles are arranged separately and are two independent systems, and the pure electric vehicles adopt PTC heating in winter to cause cruising shrinkage. In view of the above, the work skillfully couples the cab air conditioning system and the refrigerator carriage refrigerating system together and utilizes the photovoltaic driving part of electronic equipment; in winter, the refrigerating carriage is used for refrigerating and supplying heat for the cab, so that waste heat utilization is realized, waste heat generated by power generation of the photovoltaic panel is used for defrosting when the heat pump air conditioning system supplies heat in winter, and stable heat supply and no shutdown defrosting of the air conditioning system are ensured; compared with the traditional pure electric refrigerator car, the product has longer endurance mileage and lower energy consumption, and has wide application prospect.
Photovoltaic photo-thermal (PV/T) power generation mainly utilizes the photovoltaic effect of semiconductors, commonly referred to as the "photovoltaic effect". The semiconductor is filled with P-N junctions. The P-type semiconductor is composed mainly of electrons and the N-type semiconductor is composed mainly of holes, and when the two are contacted together, the contact is convenient to generate a P-N junction. The arrangement inside the electric field barrier can be divided into conduction and valence bands according to the electric field barrier. When sunlight irradiates the P-N junction, electrons in an original equilibrium state absorb solar energy to transition from the valence band to the conduction band, so that a potential difference is generated between the conduction band and the valence band to form a current.
The photovoltaic photo-thermal (PV/T) system heat collecting module consists of a heat collecting plate and a heat collecting pipe. The heat collecting plate is used for absorbing heat of the photovoltaic plate, and the heat medium in the heat collecting pipe is used for conveying the heat to the water tank for storage. Therefore, waste heat generated by the photovoltaic panel can be collected and used for defrosting in winter of the heat pump air conditioning system, and meanwhile, the efficiency of photovoltaic power generation can be improved.
Based on the consideration, the utility model designs the heat pump air conditioning system for the integrated new energy refrigerator car, which utilizes the photovoltaic photo-thermal coupling.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide the integrated new energy refrigeration vehicle heat pump air conditioning system by photovoltaic photo-thermal coupling utilization, which is used for coupling a cab air conditioning system and a refrigeration system of a refrigeration carriage, and in winter, the refrigeration carriage is used for refrigerating and supplying heat to the cab, so that waste heat utilization is realized, waste heat generated by power generation of a photovoltaic panel is used for defrosting an external heat exchanger, and the heat exchange efficiency of the external heat exchanger is improved; compared with the traditional pure electric vehicle, the method has longer endurance mileage and lower energy consumption, and has wide application prospect. Meanwhile, the photovoltaic driving part electronic equipment is adopted, so that the energy consumption of the new energy electric vehicle is reduced, and the endurance mileage is improved.
In order to achieve the purpose of the utility model, the technical scheme adopted by the utility model is as follows:
the utility model discloses a heat pump air conditioning system for a photovoltaic photo-thermal coupling utilized integrated new energy refrigerator car, which comprises an external heat exchanger, a refrigerator compartment heat exchanger, a cab heat exchanger and a compressor, wherein one end of the external heat exchanger is connected with one end of the compressor through a fourth electromagnetic valve; the fourth electromagnetic valve is connected with the ninth electromagnetic valve through a pipeline, a fifth electromagnetic valve and an eighth electromagnetic valve are arranged on the pipeline, one end of the refrigerator carriage heat exchanger is connected with the pipeline between the fifth electromagnetic valve and the eighth electromagnetic valve, and the other end of the refrigerator carriage heat exchanger is connected with the pipeline between the seventh electronic expansion valve and the twelfth electronic expansion valve through a tenth electronic expansion valve.
The system comprises a vehicle exterior heat exchanger, a water tank, a photovoltaic photo-thermal module and a pump, wherein one end of the water tank is connected with one end of the photovoltaic photo-thermal module through the pump, the other end of the photovoltaic photo-thermal module is connected with one end of the vehicle exterior heat exchanger through a third electromagnetic valve, and the other end of the water tank is connected with the other end of the vehicle exterior heat exchanger through a first electromagnetic valve; the third electromagnetic valve is connected with one end of the photovoltaic photo-thermal module and one end of the cold accumulation pipeline, the other end of the cold accumulation pipeline is connected with the first electromagnetic valve and one end of the water tank, and the cold accumulation pipeline is provided with the second electromagnetic valve.
The photovoltaic photo-thermal module comprises a solar cell panel, a heat collecting plate and a heat collecting pipe, wherein the heat collecting pipe is communicated with the water tank, the photovoltaic photo-thermal module is fixed at the top of the refrigerator compartment, and the photovoltaic photo-thermal system (PV/T) heat collecting module consists of the heat collecting plate and the heat collecting pipe. The heat collecting plate is used for absorbing heat of the photovoltaic plate, and the heat medium in the heat collecting pipe is used for conveying the heat to the water tank for storage. Therefore, waste heat generated by photovoltaic panel power generation can be collected and used for defrosting in winter of the heat pump air conditioning system, and meanwhile, the efficiency of photovoltaic power generation can be improved.
Fans are arranged outside the heat exchanger outside the vehicle, the refrigerator compartment heat exchanger and the cab heat exchanger.
The external heat exchanger is a fin type heat exchanger, the external heat exchanger comprises a refrigerant pipeline and a glycol pipeline, a refrigerant inlet of the refrigerant pipeline is connected with the seventh electronic expansion valve, and a refrigerant outlet of the refrigerant pipeline is connected with the fourth electromagnetic valve; the ethylene glycol inlet of the ethylene glycol pipeline is connected with the first electromagnetic valve, and the ethylene glycol outlet of the ethylene glycol pipeline is connected with the third electromagnetic valve.
The utility model has the beneficial effects that:
(1) A cabin air conditioning system and a refrigerated compartment refrigeration system are coupled. The two sets of systems are ingeniously coupled together, so that the purposes of reducing one heat exchanger and accessory parts thereof are achieved.
(2) And (5) utilizing waste heat. In winter, the heat exchanger of the refrigerator carriage is used as an evaporator, the heat exchanger of the cab is used as a condenser, and the refrigerator carriage is used for refrigerating and supplying heat to the cab to realize waste heat utilization.
(3) And (5) photovoltaic power generation. Solar energy is a clean renewable energy source. The solar cell panel is placed in the top space of the refrigerator carriage, so that part of electronic equipment is driven, the load of the main battery of the pure electric refrigerator car is reduced, and the endurance mileage is improved.
(4) Waste heat utilization. The photovoltaic panel can generate a large amount of heat in the power generation process, waste heat generated by power generation of the photovoltaic panel can be used for defrosting of the heat pump air conditioning system in winter, and stable heat supply and no shutdown defrosting of the air conditioning system are ensured.
Drawings
Fig. 1 is a schematic diagram of an air conditioning system according to the present utility model.
Fig. 2 is a schematic diagram of an external heat exchanger in the present utility model.
Description of the embodiments
The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:
see fig. 1-2.
The utility model discloses a heat pump air conditioning system for a photovoltaic photo-thermal coupling utilized integrated new energy refrigerator car, which comprises an external heat exchanger 1, a refrigerator compartment heat exchanger 2, a cab heat exchanger 3 and a compressor 4, wherein one end of the external heat exchanger 1 is connected with one end connected with the compressor 4 through a fourth electromagnetic valve 14, a four-way reversing valve 5 is arranged between the fourth electromagnetic valve 14 and the compressor 4, the other end of the compressor 4 is connected with one end of the cab heat exchanger 3 through a ninth electromagnetic valve 19, the other end of the cab heat exchanger 3 is connected with the other end of the external heat exchanger 1 through a twelfth electronic expansion valve 22 and a seventh electronic expansion valve 17, and the seventh electronic expansion valve 17 and the twelfth electronic expansion valve 22 are respectively connected with a sixth electromagnetic valve 16 and an eleventh electromagnetic valve 21 in parallel; the fourth electromagnetic valve 14 is connected with the ninth electromagnetic valve 19 through a pipeline, a fifth electromagnetic valve 15 and an eighth electromagnetic valve 18 are arranged on the pipeline, one end of the refrigerator compartment heat exchanger 2 is connected with the pipeline between the fifth electromagnetic valve 15 and the eighth electromagnetic valve 18, and the other end of the refrigerator compartment heat exchanger is connected with the pipeline between the seventh electronic expansion valve 17 and the twelfth electronic expansion valve 22 through a tenth electronic expansion valve 20.
Working principle:
summer (3 modes)
Refrigerator compartment closed, cab cooling (mode 1): the fourth, sixth and ninth solenoid valves 14,16,19 are opened; the fifth, eighth, eleventh solenoid valves 15, 18, 21 are closed; the twelfth electronic expansion valve 22 is opened; the seventh and tenth electronic expansion valves 7, 10 are closed; the refrigerant starts from the compressor 4, flows through the off-vehicle heat exchanger 1 to release heat, and the cab heat exchanger 3 to absorb heat, and finally returns to the compressor 4.
Refrigerating compartment, cab closed (mode 2): the fourth, sixth and eighth solenoid valves 14,16,18 are opened; the fifth, ninth and eleventh solenoid valves 15,19,21 are closed; the tenth electronic expansion valve 20 is opened; the seventh and twelfth electronic expansion valves 7, 22 are closed; the refrigerant starts from compression and 4, flows through the heat exchanger 1 outside the vehicle to release heat, and the refrigerator compartment heat exchanger 2 to absorb heat, and finally returns to the compressor 4.
Refrigerating carriage refrigeration, cab refrigeration (mode 3): the fourth, sixth, eighth, ninth solenoid valves 14,16,18, 19 are opened; the fifth and eleventh solenoid valves 15, 21 are closed; the tenth and twelfth electronic expansion valves 20, 22 are opened; the seventh electronic expansion valve 17 is closed; the refrigerant starts from the compressor 4, flows through the heat exchanger 1 outside the vehicle to release heat, and flows into the heat exchanger 3 of the cab and the heat exchanger 2 of the refrigerated compartment to absorb heat respectively through diversion, and finally merges and returns to the compressor 4.
Winter (5 modes)
Refrigerator compartment closed, cab heating (mode 4): the four-way reversing valve 5 is switched; the fourth, sixth and ninth solenoid valves 14,16,19 are opened; the fifth, eighth, eleventh solenoid valves 15, 18, 21 are closed; the twelfth electronic expansion valve 22 is opened; the seventh and tenth electronic expansion valves 27, 20 are closed; the refrigerant starts from the compressor 4, flows through the cabin heat exchanger 3 to release heat, absorbs heat from the off-vehicle heat exchanger 1, and finally returns to the compressor 4.
Refrigerating carriage refrigeration, cab heating (off-board heat exchanger, mode 5): the four-way reversing valve 5 is switched; the fifth, ninth and eleventh solenoid valves 15,19,21 are opened; the fourth, sixth and eighth solenoid valves 14,16,18 are closed; the tenth electronic expansion valve 20 is opened; the seventh and twelfth electronic expansion valves 17 and 22 are closed; the refrigerant starts from the compressor 4, flows through the cab heat exchanger 3 to release heat, and the refrigerator compartment heat exchanger 2 to absorb heat, and finally returns to the compressor 4.
Refrigerating carriage refrigeration and cab heating (the external heat exchanger bears partial cold load, mode 6): the four-way reversing valve 5 is switched; the fourth, fifth, ninth, eleventh solenoid valves 14, 15,19,21 are opened; the sixth and eighth solenoid valves 16,18 are closed; the seventh and tenth electronic expansion valves 17, 20 are opened; the twelfth electronic expansion valve 22 is closed; the refrigerant starts from the compressor 4, flows through the cab heat exchanger 3 to release heat, and flows into the outside heat exchanger 1 to absorb heat and the refrigerator compartment heat exchanger 2 to absorb heat respectively through diversion, and finally returns to the compressor 4 after converging.
Heat collection (mode 7): the second solenoid valve 12 is opened; the first and third solenoid valves 11,13 are closed; the coolant flows from the pump 23 through the tank 6 to release heat and the photovoltaic photo-thermal module 7 to absorb heat.
Defrost (mode 8): the first and third solenoid valves 11,13 are opened; the second solenoid valve 12 is closed; the refrigerant starts from the pump 23, flows through the water tank 6 and the photovoltaic photo-thermal module 7 to absorb heat, and releases heat and defrost in the external heat exchanger.
See fig. 2.
The external heat exchanger 1 is a fin type heat exchanger provided with a refrigerant pipeline and a glycol pipeline which are mutually independent, and the heat exchanger is arranged outside the vehicle. Wherein a refrigerant pipeline runs through the refrigerant, a refrigerant inlet 101 of the refrigerant pipeline is connected with the seventh electronic expansion valve 17, and a refrigerant outlet 102 of the refrigerant pipeline is connected with the fourth electromagnetic valve 14 to complete the system cycle; the glycol pipeline walks the ethylene glycol, the ethylene glycol entry 103 of ethylene glycol pipeline links to each other with first solenoid valve 11, the ethylene glycol export 104 of ethylene glycol pipeline links to each other with third solenoid valve 13, uses the waste heat that solar panel electricity generation that gathers produced for defrosting.
Compared with the existing new energy refrigerator car
The heat pump air conditioning system for the photovoltaic photo-thermal coupling utilized integrated new energy refrigerator car is developed aiming at cold chain transportation, and has the advantages of compact structure, energy conservation, environmental protection and the like.
Compared with the existing pure electric new energy refrigerator car, the novel electric new energy refrigerator car skillfully couples the cab air conditioning system and the refrigerator car system together, so that a compressor, a heat exchanger and accessory parts thereof can be reduced.
The work utilizes the refrigerating carriage to refrigerate and simultaneously supply heat for the cab in winter through the coupling system, thereby realizing the utilization of waste heat and reducing the energy consumption; when the temperature of the refrigerated compartment is lower than-22 ℃, the external heat exchanger of the switch-on vehicle is controlled to serve as an evaporator in a digital mode to share the cold load of part of the refrigerated compartment, so that the temperature of the refrigerated compartment is prevented from being too low.
The photovoltaic photo-thermal plate is paved at the top of the refrigerator carriage, and the photovoltaic driving part electronic equipment is adopted, so that the load of a main battery is reduced, and the endurance mileage is improved.
The work adopts a photovoltaic photo-thermal (PV/T) technology, waste heat generated by power generation of a photovoltaic panel is used for defrosting a heat pump air conditioning system through flowing of a heating medium in winter, the heat pump air conditioning efficiency of the whole vehicle is improved, and stable heat supply and no shutdown defrosting of the air conditioning system are ensured.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent changes or direct or indirect application in the relevant art utilizing the present specification and drawings are included in the scope of the present utility model.
Claims (5)
1. The utility model provides an integration new forms of energy refrigerator car heat pump air conditioning system that photovoltaic photo-thermal coupling utilized which characterized in that: the novel cold-storage type automobile external heat exchanger comprises an automobile external heat exchanger (1), a cold-storage compartment heat exchanger (2), a cab heat exchanger (3) and a compressor (4), wherein one end of the automobile external heat exchanger (1) is connected with one end connected with the compressor (4) through a fourth electromagnetic valve (14), a four-way reversing valve (5) is arranged between the fourth electromagnetic valve (14) and the compressor (4), the other end of the compressor (4) is connected with one end of the cab heat exchanger (3) through a ninth electromagnetic valve (19), the other end of the cab heat exchanger (3) is connected with the other end of the automobile external heat exchanger (1) through a twelfth electronic expansion valve (22) and a seventh electronic expansion valve (17), and the seventh electronic expansion valve (22) are respectively connected with a sixth electromagnetic valve (16) and an eleventh electromagnetic valve (21) in parallel; the fourth electromagnetic valve (14) is connected with the ninth electromagnetic valve (19) through a pipeline, a fifth electromagnetic valve (15) and an eighth electromagnetic valve (18) are arranged on the pipeline, one end of the refrigerator compartment heat exchanger (2) is connected with the pipeline between the fifth electromagnetic valve (15) and the eighth electromagnetic valve (18), and the other end of the refrigerator compartment heat exchanger is connected with the pipeline between the seventh electronic expansion valve (17) and the twelfth electronic expansion valve (22) through a tenth electronic expansion valve (20).
2. The heat pump air conditioning system for a photovoltaic photo-thermal coupling utilized integrated new energy refrigerator car according to claim 1, wherein the heat pump air conditioning system is characterized in that: the device comprises a vehicle exterior heat exchanger (1), and is characterized by further comprising a water tank (6), a photovoltaic photo-thermal module (7) and a pump (23), wherein one end of the water tank (6) is connected with one end of the photovoltaic photo-thermal module (7) through the pump (23), the other end of the photovoltaic photo-thermal module (7) is connected with one end of the vehicle exterior heat exchanger (1) through a third electromagnetic valve (13), and the other end of the water tank (6) is connected with the other end of the vehicle exterior heat exchanger (1) through a first electromagnetic valve (11); the cold accumulation pipeline (9) is characterized in that one end of the third electromagnetic valve (13) is connected with one end of the photovoltaic photo-thermal module (7) and one end of the cold accumulation pipeline (9), the other end of the cold accumulation pipeline (9) is connected with the first electromagnetic valve (11) and one end of the water tank (6), and the cold accumulation pipeline (9) is provided with the second electromagnetic valve (12).
3. The heat pump air conditioning system for a photovoltaic photo-thermal coupling utilized integrated new energy refrigerator car according to claim 2, wherein the heat pump air conditioning system is characterized in that: the photovoltaic and photo-thermal module (7) comprises a solar cell panel, a heat collecting plate and a heat collecting pipe, wherein the heat collecting pipe is communicated with the water tank (6), and the photovoltaic and photo-thermal module (7) is fixed at the top of the refrigerator compartment.
4. The heat pump air conditioning system for a photovoltaic photo-thermal coupling utilized integrated new energy refrigerator car according to claim 3, wherein: the outside of the vehicle exterior heat exchanger (1), the refrigerator compartment heat exchanger (2) and the outside of the cab heat exchanger (3) are provided with fans (10).
5. The heat pump air conditioning system for a photovoltaic photo-thermal coupling utilized integrated new energy refrigerator car according to claim 4, wherein the heat pump air conditioning system is characterized in that: the external heat exchanger (1) is a fin type heat exchanger, the external heat exchanger (1) comprises a refrigerant pipeline and a glycol pipeline, a refrigerant inlet (101) of the refrigerant pipeline is connected with the seventh electronic expansion valve (17), and a refrigerant outlet (102) of the refrigerant pipeline is connected with the fourth electromagnetic valve (14); the ethylene glycol inlet (103) of the ethylene glycol pipeline is connected with the first electromagnetic valve (11), and the ethylene glycol outlet (104) of the ethylene glycol pipeline is connected with the third electromagnetic valve (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321358834.0U CN220096084U (en) | 2023-05-31 | 2023-05-31 | Photovoltaic photo-thermal coupling utilized integrated new energy heat pump air conditioning system for refrigerator car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321358834.0U CN220096084U (en) | 2023-05-31 | 2023-05-31 | Photovoltaic photo-thermal coupling utilized integrated new energy heat pump air conditioning system for refrigerator car |
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| Publication Number | Publication Date |
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| CN220096084U true CN220096084U (en) | 2023-11-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321358834.0U Active CN220096084U (en) | 2023-05-31 | 2023-05-31 | Photovoltaic photo-thermal coupling utilized integrated new energy heat pump air conditioning system for refrigerator car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220096084U (en) |
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2023
- 2023-05-31 CN CN202321358834.0U patent/CN220096084U/en active Active
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