CN214669363U - Vehicle-mounted charger aging test temperature control device - Google Patents
Vehicle-mounted charger aging test temperature control device Download PDFInfo
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- CN214669363U CN214669363U CN202120484768.6U CN202120484768U CN214669363U CN 214669363 U CN214669363 U CN 214669363U CN 202120484768 U CN202120484768 U CN 202120484768U CN 214669363 U CN214669363 U CN 214669363U
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Abstract
The utility model relates to an aging test temperature control device of a vehicle-mounted charger, which is provided with a loading station and a testing station; the transfer system is used for transferring the vehicle-mounted charger to the loading station and the testing station; the test station is provided with a first test mechanism and is used for carrying out a first aging index test on the vehicle-mounted charger; a second testing mechanism; the second aging index testing device is used for carrying out second aging index testing on the vehicle-mounted charger; and a lifting air cooling mechanism; the transfer system comprises a sliding table and a transfer mechanism for driving the sliding table, a clamping block is arranged on the sliding table in a sliding mode, a heat conduction pipe which is arranged in a zigzag mode is arranged in the clamping block, two ends of the heat conduction pipe extend out of the clamping block and are communicated with an external circulating cooling pipe, a clamping groove matched with the vehicle-mounted charger is formed in the side face of the clamping block, a heat conduction layer is arranged in the clamping groove, and the heat conduction layer is a heat conduction silica gel sheet; the first testing mechanism and the second testing mechanism can test the aging index of the vehicle-mounted charger in a linkage or single action manner; the lifting air cooling mechanism is used for controlling the test temperature of the vehicle-mounted charger to be consistent with the preset temperature during testing.
Description
Technical Field
The utility model relates to a test equipment's technical field, especially vehicle-mounted machine aging testing temperature control device that charges's technical field.
Background
The vehicle-mounted charger is fixedly installed on the electric automobile, and can dynamically adjust charging current or voltage parameters according to data provided by a Battery Management System (BMS) to execute corresponding actions so as to complete a charging process.
At present, the existing testing equipment has no temperature management control function, is not intelligent enough, cannot adjust and control the temperature quickly, is fixed in size by a clamp for fixing the vehicle-mounted charger, cannot adjust according to the specification of the vehicle-mounted charger, is unstable in clamping of the vehicle-mounted charger, has a gap between the clamp and the vehicle-mounted charger, and generates vibration to cause friction between the vehicle-mounted charger and the clamp when the vehicle-mounted charger performs other tests such as vibration test and the like, so that the vehicle-mounted charger is damaged; moreover, most tests of the charging equipment still stay on the test function of a single project, the operability is single, the flexibility is poor, the charging equipment is not comprehensively and intelligently tested, and the test efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem among the prior art, provide on-vehicle machine aging testing temperature control device that charges, be to on-vehicle machine that charges carry out the carrier of multiple relevant technical parameter test, can control the test temperature unanimous with preset temperature, and the fixture block as anchor clamps is adjustable makes its and on-vehicle machine that charges's size cooperation, makes the fixture block with on-vehicle machine that charges stable fixed, convenient operation, degree of automation is high, the controllable degree of test is high, has improved efficiency of software testing.
The utility model discloses an overcome the problem that prior art exists, provide following technical scheme:
vehicle-mounted quick-witted aging testing temperature control device that charges has:
a loading station and a testing station; the transfer system is used for transferring the vehicle-mounted charger to the loading station and the testing station;
the test station has:
the first testing mechanism is used for testing a first aging index of the vehicle-mounted charger;
a second testing mechanism; the second aging index testing device is used for carrying out second aging index testing on the vehicle-mounted charger; and a lifting air cooling mechanism; wherein the content of the first and second substances,
the transfer system comprises a sliding table and a transfer mechanism for driving the sliding table, a clamping block is slidably arranged on the sliding table, a heat conduction pipe which is arranged in a zigzag manner is arranged in the clamping block, two ends of the heat conduction pipe extend out of the clamping block and are communicated with an external circulating cooling pipe, a clamping groove matched with the vehicle-mounted charger is arranged on the side surface of the clamping block, a heat conduction layer is arranged in the clamping groove, and the heat conduction layer is a heat conduction silica gel sheet; the first testing mechanism and the second testing mechanism can test the aging index of the vehicle-mounted charger in a linkage or single action manner; the lifting air cooling mechanism is used for controlling the test temperature of the vehicle-mounted charger during testing to be consistent with the preset temperature.
In an embodiment disclosed in the application, the fixture block is vertical to be set up, be equipped with the slip rail rather than sliding connection on the slip table of fixture block bottom, the slip rail internal rotation is equipped with the screw rod, the screw rod is connected with fixture block bottom transmission, the outer tip of screw rod stretches out the slip table, the outer tip of screw rod is equipped with the hand wheel.
In an embodiment disclosed in the application, the sliding rail is arranged in the middle of the bottom of the fixture block, guide rails are further arranged on the sliding tables on two sides of the bottom of the fixture block and are connected with the fixture block in a sliding manner, the guide rails are arranged in parallel with the sliding rail, and the guide rails are used for sliding guide of the fixture block.
In one embodiment disclosed herein, the transfer system comprises:
the sliding table is used for placing the vehicle-mounted charger; the transfer mechanism is used for driving the sliding table to move;
the transfer mechanism comprises a rodless cylinder, a slide rail pair and a telescopic positioning piece; the sliding table is connected with the rodless cylinder and can slide along the sliding rail pair; the telescopic positioning piece is matched with the sliding table and used for fixing the sliding table at the test station.
In one embodiment of the present disclosure, the first testing mechanism includes:
a first driving member; the connecting plate is connected with the first driving piece;
wherein the connecting plate has a first connecting plug; the connecting plate can enable the first connecting plug to be plugged in the vehicle-mounted charger under the driving action of the first driving piece.
In one embodiment of the present disclosure, the second testing mechanism includes:
a second driving member; and a connecting seat connected with the second driving piece;
wherein the connecting seat is provided with a second connecting plug; the connecting seat can be used for plugging the second connecting plug into the vehicle-mounted charger under the driving action of the second driving piece.
In one embodiment of the present disclosure, the elevating air cooling mechanism includes an elevating cooling plate having a cooling airflow channel therein; when the vehicle-mounted charger is located at the test station, the lifting cooling plate is abutted to the upper surface of the vehicle-mounted charger and used for controlling the test temperature of the vehicle-mounted charger to be consistent with the preset temperature.
In an embodiment of the present disclosure, the lifting air cooling mechanism further includes an air nozzle unit, the air nozzle unit has a plurality of air nozzles, and the plurality of air nozzles are adapted to the cooling airflow channel in the lifting cooling plate.
In one embodiment disclosed herein, the tuyere unit further comprises a tuyere transfer member;
the tuyere is arranged at the working end of the tuyere conveying piece:
the air nozzle can be pushed by the air nozzle conveying piece to be in sealing butt joint with the interface of the cooling airflow channel.
In one embodiment disclosed herein, the apparatus further comprises a pair of grating sensors; the grating sensor is arranged at the joint of the loading station and the testing station.
The utility model has the advantages that:
the utility model is suitable for testing the vehicle-mounted charger, is a carrier for testing relevant technical parameters such as vibration test, high and low voltage test, aging test, energy efficiency test, comprehensive test and the like, the slidable fixture block can be tightly attached to the outer wall of the vehicle-mounted charger, so that the vehicle-mounted charger is stably fixed, the vehicle-mounted charger is prevented from being damaged due to vibration, and the fixture block can fix the vehicle-mounted chargers with different sizes by sliding, the heat conduction layer improves the heat exchange efficiency of the fixture block and the vehicle-mounted charger, have insulating, absorbing effect, over-and-under type forced air cooling mechanism and locate the heat pipe in the fixture can control the test temperature unanimous with presetting the temperature, and the inside coolant liquid velocity of flow of control heat pipe can be adjusted the temperature fast, and it is fast to have a temperature variation, adjusts the efficient some to convenient operation, degree of automation is high, and the test is controllable to be spent highly, has improved efficiency of software testing.
The features and advantages of the present invention will be described in detail by embodiments with reference to the accompanying drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic diagram of the overall structure of a temperature control device for aging test of a vehicle-mounted charger;
FIG. 2 is a front view of FIG. 1;
FIG. 3 is a schematic view of another angle of the overall structure of the temperature control device for the aging test of the vehicle-mounted charger;
FIG. 4 is a block diagram;
fig. 5 is a top view of fig. 4.
In the drawings
100-an integral test bench; 10 a-a loading station; 10 b-a test station; 1-a workbench; 10-a transfer system; 11-a slide rail pair; 12-rodless cylinders; 13-a telescopic positioning member; 2-a sliding table; 20-a first catch; 21-a second catch; 22-a fixture block; 23-a card slot; 24-a thermally conductive layer; 25-a heat pipe; 26-a guide rail; 27-a screw; 28-hand wheel; 29-a guide rail; 20 a-vehicle charger; 3-a first testing mechanism; 30-a first drive member; 31-a connecting plate; 4-a second testing mechanism; 40-a second drive member; 41-a connecting seat; 5-a tuyere mechanism; 51-tuyere transfer pieces; 52-air nozzle; 6-lifting air cooling mechanism; 60-lifting type cooling plates; 61-a cylinder; 62-a guide bar; 7-a frame; 70-mounting a plate; 71-grating sensor.
Detailed Description
In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.
In the description of the embodiments of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are used only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present application, "a plurality" means two or more unless specifically defined otherwise.
The following disclosure provides many different embodiments or examples for implementing different features of the invention. In order to simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Moreover, the embodiments of the present application may repeat reference numerals or letters in the various examples, which are repeated for purposes of simplicity and clarity and do not in themselves dictate a relationship between the various embodiments and/or arrangements discussed.
Embodiments of the present application will be described in detail below with reference to the accompanying drawings.
Like fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, the utility model discloses, on-vehicle machine aging testing temperature control device that charges, like the whole testboard 100 in picture, include:
the device comprises a workbench 1, a rack 7, a loading station 10a and a testing station 10b, wherein the workbench 1 is arranged at the lower end of the rack 7, and the loading station 10a and the testing station 10b are arranged on the workbench 1; the vehicle-mounted charger is characterized by further comprising a moving system 10 for moving the vehicle-mounted charger 20a to the loading station 10a and the testing station 10 b;
the test station 10b has:
the first testing mechanism 3 is used for carrying out a first aging index test on the vehicle-mounted charger 20 a; a second testing mechanism 4; the second aging index test is carried out by the vehicle-mounted charger 20 a; the first testing mechanism 3 and the second testing mechanism 4 can test the aging index of the vehicle-mounted charger 20a in a linkage or single action manner;
a lifting air cooling mechanism 6; the lifting air cooling mechanism 6 is used for controlling the test temperature of the vehicle-mounted charger 20a to be consistent with the preset temperature during testing.
In one embodiment of the present disclosure of the present application,
the transfer system 10 includes:
the sliding table 2 is used for placing the vehicle-mounted charger 20 a; the transfer mechanism is used for driving the sliding table 2 to move; the sliding table 2 is provided with a first clamping piece 20 and a second clamping piece 21, and the first clamping piece 20 and the second clamping piece 21 are distributed at two ends of the vehicle-mounted charger 20a to clamp the vehicle-mounted charger 20a (product).
The first card is held a 20 and is held the structure of a 21 with the second card and is the same, all locates fixture block 22 on the slip table 2 including sliding, the vertical setting of fixture block 22, its inboard be equipped with on-vehicle machine 20a complex draw-in groove 23 that charges, be equipped with one deck heat-conducting layer 24 in the draw-in groove 23, heat-conducting layer 24 is heat-conducting silica gel piece.
A heat conduction pipe 25 is arranged in the fixture block 22, the heat conduction pipe 25 is arranged in the fixture block 22 in a zigzag manner, two ends of the heat conduction pipe 25 extend out of the tops of two ends of the fixture block 22, two ends of the heat conduction pipe 25 are communicated with an external circulating cooling pipe, and the circulating cooling pipe injects a circulating flowing cooling liquid into the heat conduction pipe 25. The heat pipe 25 is arranged in a serpentine manner so that the heat pipe 25 can sufficiently exchange heat with the cartridge 22.
A sliding rail 26 matched with the clamping block 22 is arranged at a corresponding position on the sliding table 2, a screw rod 27 is rotationally arranged in the sliding rail 26, the outer end of the screw rod 27 extends out of the side part of the sliding table 2, and a hand wheel 28 is arranged at the outer end of the screw rod 27. The bottom of the fixture block 22 is slidably connected with the sliding rail 26, the screw 27 is in transmission connection with the bottom of the fixture block 22, and the hand wheel 28 is rotated to rotate the screw 27, so that the screw 27 drives the fixture block 22 to slide in the sliding rail 26, and the clamping groove 23 clamps the vehicle-mounted charger 20 a.
The sliding rail 26 is arranged in the middle of the bottom of the fixture block 22, the sliding tables 2 on two sides of the bottom of the fixture block 22 are further provided with guide rails 29, the guide rails 29 are slidably connected with the fixture block 22, the guide rails 29 are arranged in parallel with the sliding rail 26, and the guide rails 29 are used for slidably guiding the fixture block 22.
The transfer mechanism is arranged on the workbench 1 and comprises a rodless cylinder 11, a slide rail pair 12 and a telescopic positioning piece 13; the sliding table 2 is connected with the rodless cylinder 12 and can slide along the sliding rail pair 11; the telescopic positioning piece 13 is matched with the sliding table 2 and used for positioning and fixing the sliding table 2 on the test station 10 b.
The first test mechanism 3 includes:
a first driving member 30; and a connecting plate 31 connected with the first driving member 30;
wherein the connection plate 31 has a first connection plug; the connecting plate 31 can connect the first connecting plug to the vehicle-mounted charger 20a under the driving action of the first driving member 30.
The second testing mechanism 4 includes:
a second driving member 40; and a connecting seat 41 connected with the second driving member 40;
wherein the connecting socket 41 has a second connecting plug; the connecting base 41 can plug the second connecting plug into the vehicle-mounted charger 20a under the driving action of the second driving member 40.
In one embodiment of the present disclosure, the elevating air-cooling mechanism 6 includes an elevating cooling plate 60, and the elevating cooling plate 60 has a cooling airflow channel therein; when the vehicle-mounted charger 20a is located at the test station 10b, the lifting cooling plate 60 abuts against the upper surface of the vehicle-mounted charger 20a and is used for controlling the test temperature of the vehicle-mounted charger to be consistent with the preset temperature.
The upper part of the frame 7 is provided with a mounting plate 70, the mounting plate 70 is fixed with a cylinder 61 and a guide rod 62, the cylinder 61 is connected with the lifting cooling plate 60 through a telescopic rod, and the lifting cooling plate 60 is also connected with the guide rod 62 to limit the linear movement of the lifting cooling plate 60.
The lifting air cooling mechanism 6 further comprises an air nozzle unit 5, the air nozzle unit 5 is provided with a plurality of air nozzles 52, and the air nozzles 52 are matched with cooling airflow channels in the lifting cooling plate 60.
The tuyere unit 5 further includes a tuyere transfer member 51; the tuyere 52 is provided at the working end of the tuyere transfer member 51: the tuyere 52 can be in sealing contact with the interface of the cooling airflow channel under the pushing of the tuyere transferring piece 51.
In one embodiment disclosed herein, the apparatus further comprises a pair of grating sensors 71; the frame 7 comprises a vertical column, the grating sensor 71 is fixedly mounted on the vertical column, and the grating sensor 71 is arranged at the joint of the loading station 10a and the testing station 10 b.
The use process comprises the following steps:
after on the slip table 2 is placed to on-vehicle machine 20a that charges, rotates hand wheel 28, makes fixture block 22 slide to on-vehicle machine 20a centre gripping that charges, the draw-in groove 23 card of fixture block 22 is in on-vehicle machine 20a side that charges, heat-conducting layer 24 in the draw-in groove 23 and on-vehicle machine 20a contact carry out the heat transfer, and heat-conducting layer 24 is the heat conduction silica gel piece, and it not only has the effect that promotes heat transfer efficiency, still plays insulating, absorbing effect simultaneously, and a piece 21 is held to the card of first card 20 and second card is fixed on-vehicle machine 20 a.
The vehicle-mounted charger 20a moves from the loading station 10a to the testing station 10b, the vehicle-mounted charger 20a is connected with the first testing mechanism 3 and the second testing mechanism 4 through the first connecting plug and the second connecting plug for testing, the plurality of air nozzles 52 blow cooling air flow out of positions corresponding to the vehicle-mounted charger 20a, circulating cooling liquid enters the heat conduction pipes 25, the cooling liquid exchanges heat with the fixture blocks 22 in the heat conduction pipes 25, the vehicle-mounted charger 20a is subjected to temperature control, when the specified temperature is low, the flow speed of the cooling liquid in the heat conduction pipes 25 is increased, the heat exchange efficiency is increased, when the specified temperature is high, the flow speed of the cooling liquid in the heat conduction pipes 25 is decreased, the heat exchange efficiency is decreased, and therefore the lifting type air cooling mechanism 6 is assisted to perform rapid temperature control. The test board is used as a carrier of the detection system for data acquisition, data processing and charging and discharging control, when the integral test board 100 is used for carrying out aging test on the vehicle-mounted charger 20a, the temperature can be adjusted to a specified temperature, corresponding test power is controlled to be output, the charger to be tested is controlled to carry out charging test or discharging test at the specified temperature, and various related technical parameter tests such as vibration test, high and low voltage test, aging test, energy efficiency test, comprehensive test and the like are carried out.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention.
Claims (10)
1. Vehicle-mounted quick-witted aging testing temperature control device that charges has:
a loading station (10a) and a testing station (10 b); and
a transfer system (10) for transferring the vehicle-mounted charger (20a) to the loading station (10a) and the testing station (10 b);
characterized in that the test station (10b) has:
the first testing mechanism (3) is used for carrying out a first aging index test on the vehicle-mounted charger (20 a);
a second testing mechanism (4); the second aging index test is carried out on the vehicle-mounted charger (20 a); and
a lifting air cooling mechanism (6); wherein the content of the first and second substances,
the transfer system (10) comprises a sliding table (2) and a transfer mechanism for driving the sliding table (2), a clamping block (22) is arranged on the sliding table (2) in a sliding mode, a heat conduction pipe (25) which is arranged in a zigzag mode is arranged in the clamping block (22), two ends of the heat conduction pipe (25) extend out of the clamping block (22) and are communicated with an external circulating cooling pipe, a clamping groove (23) matched with the vehicle-mounted charger (20a) is formed in the side face of the clamping block (22), a heat conduction layer (24) is arranged in the clamping groove (23), and the heat conduction layer (24) is a heat conduction silica gel sheet; the first testing mechanism (3) and the second testing mechanism (4) can test the aging index of the vehicle-mounted charger (20a) in a linkage or single action manner; the lifting air cooling mechanism (6) is used for controlling the test temperature of the vehicle-mounted charger (20a) to be consistent with the preset temperature during testing.
2. The vehicle-mounted charger aging test temperature control device according to claim 1, characterized in that: the fixture block (22) is vertically arranged, a sliding rail (26) which is connected with the sliding rail in a sliding mode is arranged on the sliding table (2) at the bottom of the fixture block (22), a screw rod (27) is arranged in the sliding rail (26) in a rotating mode, the screw rod (27) is connected with the bottom of the fixture block (22) in a transmission mode, the outer end portion of the screw rod (27) extends out of the sliding table (2), and a hand wheel (28) is arranged at the outer end portion of the screw rod (27).
3. The temperature control device for the aging test of the vehicle-mounted charger according to claim 2, characterized in that: the sliding rail (26) is arranged in the middle of the bottom of the clamping block (22), guide rails (29) are further arranged on the sliding tables (2) on two sides of the bottom of the clamping block (22), the guide rails (29) are connected with the clamping block (22) in a sliding mode, the guide rails (29) are arranged in parallel with the sliding rail (26), and the guide rails (29) are used for sliding guide of the clamping block (22).
4. The vehicle-mounted charger aging test temperature control device according to claim 1, characterized in that: the transfer mechanism comprises a rodless cylinder (12), a slide rail pair (11) and a telescopic positioning piece (13); the sliding table (2) is connected with the rodless cylinder (12) and can slide along the sliding rail pair (11); the telescopic positioning piece (13) is matched with the sliding table (2) and used for fixing the sliding table (2) on the test station (10 b).
5. The vehicle-mounted charger aging test temperature control device according to claim 1, characterized in that: the first testing mechanism (3) comprises:
a first drive member (30); and
a connecting plate (31) connected to the first drive member (30);
wherein the connection plate (31) has a first connection plug; the connecting plate (31) can be used for connecting the first connecting plug to the vehicle-mounted charger (20a) under the driving action of the first driving piece (30).
6. The vehicle-mounted charger aging test temperature control device according to claim 1, characterized in that: the second testing mechanism (4) comprises:
a second drive member (40); and
a connecting seat (41) connected with the second driving piece (40);
wherein the connecting socket (41) has a second connecting plug; the connecting seat (41) can be used for plugging the second connecting plug into the vehicle-mounted charger (20a) under the driving action of the second driving piece (40).
7. The vehicle-mounted charger aging test temperature control device according to claim 1, characterized in that: the lifting air cooling mechanism (6) comprises a lifting cooling plate (60), and a cooling airflow channel is formed in the lifting cooling plate (60); when the vehicle-mounted charger (20a) is located at the test station (10b), the lifting cooling plate (60) abuts against the upper surface of the vehicle-mounted charger (20a) and is used for controlling the test temperature of the vehicle-mounted charger to be consistent with the preset temperature.
8. The vehicle-mounted charger aging test temperature control device according to claim 7, characterized in that: the lifting type air cooling mechanism (6) further comprises an air nozzle unit (5), the air nozzle unit (5) is provided with a plurality of air nozzles (52), and the air nozzles (52) are matched with cooling airflow channels in the lifting type cooling plate (60).
9. The vehicle-mounted charger aging test temperature control device according to claim 8, characterized in that:
the tuyere unit (5) further comprises a tuyere transfer member (51);
the tuyere (52) is arranged at the working end of the tuyere conveying piece (51):
the air nozzle (52) can be pushed by the air nozzle conveying piece (51) to be in sealing contact with the interface of the cooling airflow channel.
10. The temperature control device for the aging test of the vehicle-mounted charger according to any one of claims 1 to 9, characterized in that: the apparatus further comprises a pair of grating sensors (71); the grating sensor (71) is arranged at the joint of the loading station (10a) and the testing station (10 b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120484768.6U CN214669363U (en) | 2021-03-05 | 2021-03-05 | Vehicle-mounted charger aging test temperature control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120484768.6U CN214669363U (en) | 2021-03-05 | 2021-03-05 | Vehicle-mounted charger aging test temperature control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214669363U true CN214669363U (en) | 2021-11-09 |
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ID=78451521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120484768.6U Active CN214669363U (en) | 2021-03-05 | 2021-03-05 | Vehicle-mounted charger aging test temperature control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214669363U (en) |
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2021
- 2021-03-05 CN CN202120484768.6U patent/CN214669363U/en active Active
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