CN216351132U - Multi-temperature testing device - Google Patents
Multi-temperature testing device Download PDFInfo
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- CN216351132U CN216351132U CN202122945228.6U CN202122945228U CN216351132U CN 216351132 U CN216351132 U CN 216351132U CN 202122945228 U CN202122945228 U CN 202122945228U CN 216351132 U CN216351132 U CN 216351132U
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- baffle
- temperature
- box body
- test apparatus
- cover body
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- 238000012360 testing method Methods 0.000 title claims abstract description 42
- 238000005192 partition Methods 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims abstract 2
- 238000010438 heat treatment Methods 0.000 claims description 9
- 238000009413 insulation Methods 0.000 claims description 7
- 238000005057 refrigeration Methods 0.000 claims description 3
- 238000002474 experimental method Methods 0.000 abstract description 6
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 abstract description 5
- 229910001416 lithium ion Inorganic materials 0.000 abstract description 5
- 238000001514 detection method Methods 0.000 abstract description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 10
- 238000012546 transfer Methods 0.000 description 7
- 239000007788 liquid Substances 0.000 description 5
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
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- 230000000694 effects Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
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- 239000010959 steel Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 229910000885 Dual-phase steel Inorganic materials 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910000963 austenitic stainless steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- -1 extruded sheet Substances 0.000 description 1
- 239000006261 foam material Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000011491 glass wool Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000003446 memory effect Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
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- 229910052759 nickel Inorganic materials 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000013522 software testing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 229910001067 superalloy steel Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
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Abstract
The utility model discloses a multi-temperature testing device, which comprises a box body and a cover body, wherein the box body is provided with an inner cavity, and the cover body seals an opening of the inner cavity; the method is characterized in that: the inner cavity is divided into a plurality of mutually independent working cavities by at least one partition plate; the bottom surface in each working cavity is provided with a baffle plate which is continuously arranged along the bottom surface, and the baffle plate surrounds and forms a test space; a space is reserved between the baffle and the inner wall of the working cavity; the upper end of the baffle extends into the cover body sealing test space; the temperature of the utility model is controllable, and simultaneously, a plurality of groups of tests can be carried out at different temperatures, thereby improving the efficiency of the lithium ion battery detection experiment.
Description
Technical Field
The utility model relates to the technical field of lithium ion battery testing devices, in particular to a multi-temperature testing device which provides stable mutual independence.
Background
The lithium ion battery has the advantages of higher energy density, long service life, no memory effect and the like, so that the application field is continuously expanded. The temperature of the northern area is relatively low and can reach minus 40 ℃ at least, and the temperature of the northern area is relatively high in hot summer, so that the performance of the lithium battery at different environmental temperatures needs to be detected so as to meet the use requirements of the lithium battery in different areas and ensure the use safety and good and stable battery performance of the lithium battery.
Disclosure of Invention
The utility model aims to provide a multi-temperature testing device, which is controllable in temperature, can be used for carrying out multiple groups of tests at different temperatures, and improves the efficiency of a lithium ion battery detection experiment.
In order to solve the technical problem, the technical scheme of the utility model is as follows: a multi-temperature testing device comprises a box body and a cover body, wherein the box body is provided with an inner cavity, and the cover body seals an opening of the inner cavity; the inner cavity is divided into a plurality of mutually independent working cavities by at least one partition plate; the bottom surface in each working cavity is provided with a baffle plate which is continuously arranged along the bottom surface, and the baffle plate surrounds and forms a test space; a space is reserved between the baffle and the inner wall of the working cavity; the upper end of the baffle extends into the cover body sealing test space; the temperature adjusting device also comprises a temperature adjusting component which is arranged corresponding to each working cavity.
In a further improvement, the upper end of the baffle is higher than the upper end of the box body. According to the utility model, the upper end of the baffle is higher than the upper end of the box body and extends into the cover body, so that a relatively abundant accommodating space is effectively ensured in each working cavity, and the accommodation and operation of batteries with various sizes are facilitated.
In a further improvement, one side of the cover body facing the box body is provided with a groove for accommodating the upper end of the baffle; according to the utility model, the cover body and the baffle are mutually nested, so that the sealing installation between the cover body and the baffle is effectively ensured, the air communication inside the working cavity is avoided, and the mutual temperature interference is prevented.
In a further improvement, a vacuumizing device is communicated with a gap between the baffle and the working cavity. According to the utility model, the vacuumizing device is arranged between each working cavity and the corresponding baffle plate, so that air in the gap is removed, the heat transfer between the working cavities is further reduced, and the stability of the working temperature in the working cavities is ensured.
In a further improvement, the temperature regulating assembly comprises a pipeline assembly and a temperature source which are uniformly distributed on the baffle plate. The utility model provides stable heat transfer for the pipe assembly through the temperature source, and ensures that each working cavity has independent temperature control.
In a further refinement, the conduit assembly includes a first conduit wound around the baffle and a second conduit in contact with a temperature source; the first pipeline is communicated with the second pipeline, and heat-conducting media are filled in the first pipeline and the second pipeline. In the utility model, further preferably, the temperature of the temperature source is transmitted to the baffle plate through the matching of the first pipeline and the second pipeline, so that the temperature in the working cavity is stably controlled by the first pipeline, the second pipeline and the temperature source.
In a further improvement, the first conduit is embedded within the baffle and the second conduit is external to the baffle. According to the utility model, the baffle is embedded in the first pipeline, so that the occupation of the space in the inner cavity and the working cavity is effectively reduced, and the use of the pipeline is facilitated.
In a further improvement, the box body is also provided with an accommodating space, and the box body is far away from the baffle plate to form the accommodating space; the temperature source is located in the accommodating space. According to the utility model, the temperature source is arranged in the accommodating space of the box body and is matched with the detachable baffle plate, so that on one hand, the internal space of the box body is effectively utilized, and the whole utility model is convenient to assemble and maintain.
In a further improvement, the temperature source is a refrigeration source or a heating source. The utility model can provide temperature sources with different temperatures for each working cavity, thereby effectively ensuring the stability and controllability of the temperature.
In a further improvement, each partition plate is provided with a vacuum heat insulation core plate. According to the utility model, the mutual interference of the temperatures of the working cavities is reduced from multiple angles, the vacuum heat insulation plate cores are arranged in the partition plates, the components ensure that the working cavities are mutually independent in space, the heat transfer or radiation in the working cavities is further reduced, and the stable and controllable temperatures in the working cavities are effectively ensured.
By adopting the technical scheme, the utility model has the beneficial effects that:
the utility model divides an inner cavity into a plurality of mutually independent working cavities through at least one partition plate; if the batteries in each working cavity need different temperature tests, adjusting the corresponding temperature adjusting assembly; a plurality of groups of parallel experiments or cold and hot impact experiments are carried out at the same time, so that the test efficiency and the test stability are effectively improved;
according to the utility model, the baffle in each working cavity is spaced from the inner wall of the working cavity, and the upper end of the baffle extends into the cover body to seal the test space, so that small interference in each working cavity is effectively ensured.
Thereby achieving the above object of the present invention.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a perspective view of the present invention;
FIG. 3 is a schematic view of the temperature control assembly of the present invention in cooperation with a second conduit;
fig. 4 is a top view of the hidden cover of the present invention.
In the figure:
a box body 1; an inner cavity 100; a cover body 2; a groove 21; a partition plate 3; a working chamber 300; a vacuum heat insulating core panel 31; a baffle 4; a temperature adjusting component 5; a pipe assembly 51; a first pipe 511; a second conduit 512; a temperature source 52.
Detailed Description
In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following specific examples.
The embodiment discloses a multi-temperature testing device, as shown in fig. 1 to 4, comprising a box body 1 and a cover body 2, wherein the box body 1 is provided with an inner cavity 100, and the cover body 2 seals an opening of the inner cavity 100; the inner cavity 100 is divided into a plurality of mutually independent working cavities 300 by at least one dividing plate 3; the bottom surface in each working chamber 300 is provided with a baffle 4 which is continuously arranged along the bottom surface, and the baffle 4 surrounds to form a test space; a space is reserved between the baffle 4 and the inner wall of the working cavity 300; the upper end of the baffle 4 extends into the sealed test space of the cover body 2; and a temperature adjusting assembly 5 provided corresponding to each working chamber 300. In the present embodiment, an inner chamber 100 is divided into a plurality of independent working chambers 300 by at least one dividing plate 3; if the batteries in each working chamber 300 need different temperature tests, the corresponding temperature regulating assembly 5 is adjusted; a plurality of groups of parallel experiments or cold and hot impact experiments are carried out at the same time, so that the test efficiency and the test stability are effectively improved; in the embodiment, a space is reserved between the baffle 4 in each working chamber 300 and the inner wall of the working chamber 300, and the upper end of the baffle 4 extends into the sealed test space of the cover body 2, so that small interference in each working chamber 300 is effectively ensured.
In this embodiment, the upper end of the baffle 4 is higher than the upper end of the box body 1. The upper end that this embodiment is higher than box 1 through the upper end that sets up baffle 4 is deepened to the lid 2 in, effectively guarantees to have in each working chamber 300 than abundant accommodation space, makes things convenient for the holding and the operation of multiple size battery.
In the embodiment, a groove 21 for accommodating the upper end of the baffle 4 is arranged on one side of the cover body 2 facing the box body 1; this embodiment effectively guarantees the seal installation between lid 2 and the baffle 4 through the mutual nestification of lid 2 and baffle 4, avoids the inside air intercommunication of working chamber 300, prevents mutual temperature interference. Meanwhile, the cover body 2 realizes the fixed mounting effect of pressing the baffle plate 4 through the groove 21.
In this embodiment, a vacuum pumping device is connected to the gap between the baffle 4 and the working chamber 300. In this embodiment, a vacuum pumping device is disposed between each working chamber 300 and the corresponding baffle 4, so as to remove air existing in the gap, further reduce the heat transfer between the working chamber 300 and between the working chambers and the external environment, and ensure the stability of the working temperature in the working chamber 300. When dismantling and installing, can dismantle baffle 4 upper and lower both ends and be provided with the sealing strip, prevent the space evacuation back between baffle 4 and the box 1, the inner chamber 100 pressure variation at battery place influences the battery test result.
The material of the box body 1 in this embodiment is one or more of low temperature resistant metal materials such as austenitic stainless steel, nickel steel, low alloy ferritic steel, aluminum alloy, copper and copper alloy, titanium and titanium alloy, iron-based superalloy, and dual phase steel.
In this embodiment, the cover body 2 is made of one or more of materials with heat insulation function, such as heat insulation glass, glass wool, rock wool board, phenolic foam material, extruded sheet, polystyrene board, rubber and plastic heat insulation material, and the like. Lid 2 has the sealing washer, and the connection structure through the hasp lock is fixed to be withheld on the top that can dismantle baffle 4 to seal the top in space between baffle 4 and the box 1.
The temperature conditioning assembly 5 in this embodiment comprises a duct assembly 51 and a temperature source 52 that are evenly distributed over the baffle 4. The present embodiment provides a steady heat transfer to the tube assembly 51 via the temperature source 52, ensuring independent temperature control of each working chamber 300.
The duct assembly 51 in this embodiment comprises a first duct 511 wound around the baffle 4 and a second duct 512 in contact with the temperature source 52; the first pipe 511 and the second pipe 512 are communicated, and the first pipe 511 and the second pipe 512 are filled with a heat transfer medium. It is further preferable in this embodiment that the temperature of the temperature source 52 is transmitted to the baffle 4 through the cooperation of the first conduit 511 and the second conduit 512, so as to ensure that the temperature in the working chamber 300 is stably controlled by the first conduit 511, the second conduit 512 and the temperature source 52. The first duct 511 and the second duct 512 have good thermal conductivity themselves, and each of the first duct 511 and the second duct 512 provided in communication therewith form a circulation path in combination. Each circulation can be ensured by arranging a circulating pump to ensure the circulation flow of the internal medium.
In this embodiment, the first pipe 511 is spirally embedded in the baffle 4, and the second pipe 512 is located outside the baffle 4. In this embodiment, the first pipe 511 is embedded into the baffle 4, so that the space occupied by the inner cavity 100 and the working cavity 300 is effectively reduced, and the use of this embodiment is facilitated. The extension end of the first pipeline 511 and the interface (medium conveying interface) of the second pipeline 512 which are used in cooperation with each other are detachably connected, when the baffle plate 4 is installed or detached, the connection part of the first pipeline 511 and the second pipeline 512 is preferentially installed or detached, and then the detachable plate is installed or taken out. A metal hose may be used to facilitate detachment of the second pipe 512.
In this embodiment, the medium circulating in each passage is one or more of N, N-Dimethylformamide (DMF), ethylene glycol, and glycerol.
In this embodiment, the box body 1 further has an accommodating space, and the box body 1 is far away from the baffle 4 to form the accommodating space; the temperature source 52 is located within the containment space. In this embodiment, the temperature source 52 is installed in the accommodating space of the box body 1, and the detachable baffle 4 is matched, so that on one hand, the internal space of the box body 1 is effectively utilized, and the assembly and maintenance of the whole embodiment are facilitated.
The temperature source 52 in this embodiment is a cooling source or a heating source. This embodiment can provide different temperature sources 52 for each working chamber 300, which effectively ensures the temperature stability and controllability.
In the embodiment, the refrigeration source is liquid nitrogen injection equipment, and liquid nitrogen injected by the liquid nitrogen injection equipment is in contact with the second pipeline 512 for heat exchange; the heating source in this embodiment is the electrical heating board, and the outer wall outside of second pipeline 512 of electrical heating board parcel in the intensification cavity is along with medium circulation flows to the cavity heat absorption or heat release, reaches temperature quick adjustment's effect.
In this embodiment, one chamber corresponds to one display screen, and the display screen can show the actual temperature of cavity and set temperature. A temperature setting button is arranged beside the display screen, and the temperature required by the chamber can be set.
Each working chamber 300 contains a plurality of temperature sensors, and the temperature data of the corresponding position is collected through the plurality of temperature sensors and is displayed in a display screen. When the temperature does not accord with the preset temperature, the corresponding electric heating plate or the liquid nitrogen ejector is automatically opened through the single chip microcomputer or the controller, and the heating plate or the liquid nitrogen ejector is automatically closed until the temperature meets the requirement.
In this embodiment, each of the partition plates 3 has a vacuum heat insulation core plate 31. In this embodiment, the mutual interference of the temperatures between the working chambers 300 is reduced from a plurality of angles, the vacuum heat insulation core 31 is arranged in the partition plate 3, the components ensure the mutual independence of the working chambers 300 in space, the heat transfer or radiation in the working chambers 300 is further reduced, and the stable and controllable temperatures in the working chambers 300 are effectively ensured.
The model 1160100 polymer lithium ion battery is used as a test object, and the battery core of the model is cooled to-30 ℃ and heated to 60 ℃.
The baffle 4 is installed in the cabinet 1, and a junction of the first pipe 511 and the second pipe 512 is installed. The battery 1160100 to be tested is placed in the temperature rising cavity and the temperature reducing cavity respectively. The cover body 2 is covered, and the gap between the baffle 4 and the inner wall of the working chamber 300 is vacuumized. Then, buttons beside the display screen are adjusted, the temperature of the heating cavity is set to be 60 ℃, and the temperature of the cooling cavity is set to be-30 ℃. After 20min, the temperatures of the two cavities reached the set values. After the test is finished, the cover body 2 is opened, the clamp is loosened, the battery after the test is taken out, and the detachable baffle 4 is taken out.
This embodiment equipment long service life can provide two at least test spaces, can realize that a plurality of batteries go up and down the test of heating simultaneously, improves efficiency of software testing.
The above embodiments and drawings are not intended to limit the forms and modes of the present embodiments, and any suitable changes or modifications thereof by those skilled in the art should be considered as not departing from the scope of the present embodiments.
Claims (10)
1. A multi-temperature testing device comprises a box body and a cover body, wherein the box body is provided with an inner cavity, and the cover body seals an opening of the inner cavity; the method is characterized in that: the inner cavity is divided into a plurality of mutually independent working cavities by at least one partition plate; the bottom surface in each working cavity is provided with a baffle plate which is continuously arranged along the bottom surface, and the baffle plate surrounds and forms a test space; a space is reserved between the baffle and the inner wall of the working cavity; the upper end of the baffle extends into the cover body sealing test space.
2. A multiple temperature test apparatus as defined in claim 1, wherein: the upper end of the baffle is higher than the upper end of the box body.
3. A multiple temperature test apparatus as defined in claim 1, wherein: one side of the cover body facing the box body is provided with a groove for accommodating the upper end of the baffle.
4. A multiple temperature test apparatus according to claim 3, wherein: and a vacuumizing device is communicated with a gap between the baffle and the working cavity.
5. A multiple temperature test apparatus as defined in claim 1, wherein: each working cavity is also provided with a group of temperature adjusting components, and the temperature adjusting components comprise pipeline components and temperature sources which are uniformly distributed on the baffle plate.
6. A multiple temperature test apparatus according to claim 5, wherein: the pipe assembly comprises a first pipe wound on the baffle and a second pipe contacted with the temperature source; the first pipeline is communicated with the second pipeline, and heat-conducting media are filled in the first pipeline and the second pipeline.
7. A multiple temperature test apparatus according to claim 6, wherein: the first conduit is embedded within the baffle and the second conduit is external to the baffle.
8. A multiple temperature test apparatus according to claim 6, wherein: the box body is also provided with an accommodating space, and the box body is far away from the baffle plate to form the accommodating space; the temperature source is located in the accommodating space.
9. A multiple temperature test apparatus according to claim 6, wherein: the temperature source is a refrigeration source or a heating source.
10. A multiple temperature testing apparatus according to any one of claims 1 to 9, wherein: each partition plate is provided with a vacuum heat insulation core plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122945228.6U CN216351132U (en) | 2021-11-26 | 2021-11-26 | Multi-temperature testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122945228.6U CN216351132U (en) | 2021-11-26 | 2021-11-26 | Multi-temperature testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216351132U true CN216351132U (en) | 2022-04-19 |
Family
ID=81153319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122945228.6U Active CN216351132U (en) | 2021-11-26 | 2021-11-26 | Multi-temperature testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216351132U (en) |
-
2021
- 2021-11-26 CN CN202122945228.6U patent/CN216351132U/en active Active
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Effective date of registration: 20230426 Address after: 226001 room 16010, building 21 (22), No. 1692, Xinghu Avenue, development zone, Nantong City, Jiangsu Province Patentee after: Nantong saide Energy Co.,Ltd. Address before: 213000 No.2 Hongyang Road, Tianning District, Changzhou City, Jiangsu Province Patentee before: Changzhou saide Energy Technology Co.,Ltd. |
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Effective date of registration: 20240605 Address after: Room 402-1, Door 5, Building 2, No. 6 Zhuyuan Road, Huayuan Industrial Zone, Binhai New Area, Tianjin, 300000 Patentee after: Tianjin Guangcaiweiye Technology Co.,Ltd. Country or region after: China Address before: 226001 room 16010, building 21 (22), No. 1692, Xinghu Avenue, development zone, Nantong City, Jiangsu Province Patentee before: Nantong saide Energy Co.,Ltd. Country or region before: China |
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