CN219695388U - Module direct current internal resistance test fixture - Google Patents
Module direct current internal resistance test fixture Download PDFInfo
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- CN219695388U CN219695388U CN202320856136.7U CN202320856136U CN219695388U CN 219695388 U CN219695388 U CN 219695388U CN 202320856136 U CN202320856136 U CN 202320856136U CN 219695388 U CN219695388 U CN 219695388U
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- 238000012360 testing method Methods 0.000 title claims abstract description 143
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims abstract description 37
- 230000007704 transition Effects 0.000 claims abstract description 22
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 17
- 229910052802 copper Inorganic materials 0.000 claims description 17
- 239000010949 copper Substances 0.000 claims description 17
- 238000009413 insulation Methods 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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Abstract
The utility model discloses a module direct current internal resistance test fixture, wherein a portal frame is arranged in a U shape, and two ends of the portal frame are respectively arranged on a supporting table; the upper ends of the two portal frames are respectively provided with a positive and negative electrode bus bar test pushing cylinder and a bus bar side pushing cylinder, a module support table to be tested for installing a module to be tested is arranged between the positive and negative electrode bus bar test pushing cylinder and the bus bar side pushing cylinder, a positive and negative electrode bus bar test device is connected with a piston rod of the positive and negative electrode bus bar test pushing cylinder, and a bus bar side test device is connected with a piston rod of the bus bar side pushing cylinder; the positive and negative electrode test pushing cylinder is arranged on the portal frame above the module to be tested, the guide transition structure is connected with a piston rod of the positive and negative electrode test pushing cylinder, and the positive and negative electrode test device is arranged at the lower end of the guide transition structure. The utility model can test the DC internal resistance value rapidly, accurately and reliably, and can be used for off-line test and on-line test.
Description
Technical Field
The utility model belongs to the technical field of power battery systems, and particularly relates to a module direct current internal resistance test fixture.
Background
The battery pack is an important component of the new energy technology and provides energy and power for the storage of the new energy automobile. The module is an important component of the battery pack, is not only an electric conductor, but also a heating element, and the thermal runaway safety of the module is also an important component of the module and the battery pack, so that the module and the battery pack are subjected to strong inspection according to the national standard at present. Therefore, the module is used as an important part of the battery pack, the electric performance of the module has important influence on the driving running of the whole vehicle, and the module has positive significance on the service life of the whole battery pack and the use evaluation of terminal clients.
The internal DC resistance of the module is one of important parameters of battery performance, and in the manufacturing process, not only is the finished product required to be tested in the offline process, but also the online test in the process is required to accurately check the welding quality and reliability in the production rhythm of rapid mass production.
Disclosure of Invention
The utility model aims to provide a module direct current internal resistance test fixture which is used for solving the problems in the prior art.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a module direct current internal resistance test fixture, including brace table, positive and negative terminal busbar test pushing cylinder, positive and negative terminal busbar testing arrangement, the module brace table that awaits measuring, busbar side pushing cylinder, busbar side testing arrangement, portal frame, positive and negative terminal test pushing cylinder, direction transition structure and positive and negative terminal testing arrangement, positive and negative terminal busbar testing arrangement, busbar side testing arrangement and positive and negative terminal testing arrangement all connect test equipment, and the portal frame is to U-shaped setting, and the both ends of portal frame are installed on a brace table respectively; the upper ends of the two portal frames are respectively provided with a positive and negative electrode bus bar test pushing cylinder and a bus bar side pushing cylinder, a module to be tested supporting table for installing a module to be tested is arranged between the positive and negative electrode bus bar test pushing cylinder and the bus bar side pushing cylinder, a positive and negative electrode bus bar test device is connected with a piston rod of the positive and negative electrode bus bar test pushing cylinder and is aligned with the module to be tested, and a bus bar side test device is connected with a piston rod of the bus bar side pushing cylinder and is aligned with the module to be tested; the positive and negative electrode test pushing cylinder is arranged on the portal frame above the module to be tested, the guide transition structure is connected with a piston rod of the positive and negative electrode test pushing cylinder, and the positive and negative electrode test device is arranged at the lower end of the guide transition structure and is aligned with the module to be tested.
As an optimized technical scheme in the utility model, the positive and negative end bus bar test pushing cylinder is a double-piston cylinder provided with two piston rods, and the two piston rods of the positive and negative end bus bar test pushing cylinder are both connected with the positive and negative end bus bar test device.
As a preferable technical scheme in the utility model, the positive and negative terminal busbar test device comprises a first connecting plate and a first insulating plate which are mutually parallel, wherein the first connecting plate is connected with two piston rods of a positive and negative terminal busbar test pushing cylinder; the two ends of the first insulating plate are connected with first insulating fixing plates, the two first insulating fixing plates are respectively connected to the two ends of the first connecting plate through first bolts, the two first insulating fixing plates are provided with first fixing plate strip holes, and the first bolts penetrate through the first fixing plate strip holes and are in threaded connection with the first connecting plate; the positive and negative terminal busbar testing device further comprises at least two first contact pins connected to testing equipment through lines, each first contact pin is in contact with and pressed against one busbar at one end of the module to be tested, one end, facing the first insulating plate, of each first contact pin is connected with a first insulating fixing seat, and the first insulating fixing seat is connected with the first insulating plate through two second bolts; two first insulating plate strip holes parallel to each other are formed in the first insulating plate, and two second bolts respectively penetrate through one first insulating plate strip hole and are in threaded connection with the first insulating fixing seat.
As a preferable technical scheme in the utility model, the bus side pushing cylinder is a double-piston cylinder provided with two piston rods, and the two piston rods of the bus side pushing cylinder are both connected with the bus side testing device.
As a preferable technical scheme in the utility model, the busbar side testing device comprises a second connecting plate and a second insulating plate which are parallel to each other, wherein the second connecting plate is connected with two piston rods of the busbar side pushing cylinder; the two ends of the second insulating plate are connected with second insulating fixing plates, the two second insulating fixing plates are respectively connected to the two ends of the second connecting plate through third bolts, the two second insulating fixing plates are provided with second fixing plate strip holes, and the second bolts penetrate through the second fixing plate strip holes and are in threaded connection with the second connecting plate; the positive and negative terminal busbar testing device further comprises at least three second contact pins connected to testing equipment through lines, each second contact pin is in contact with one busbar at the other end of the module to be tested and is pressed tightly, one end, facing the second insulating plate, of each second contact pin is connected with a second insulating fixing seat, and the second insulating fixing seats are connected with the second insulating plate through two fourth bolts; two second insulating board strip holes parallel to each other are formed in the second insulating board, and two second bolts respectively penetrate through one second insulating board strip hole and are in threaded connection with the second insulating fixing base.
As a preferable technical scheme in the utility model, the module support table to be tested comprises a base mounting plate, a module support and positioning convex blocks arranged at the upper end of the module support, wherein the module support is arranged on the base mounting plate, and the positioning convex blocks are provided with a plurality of positioning convex blocks and are limited on the periphery of the module to be tested.
As a preferable technical scheme in the utility model, the portal frame is provided with a guide rail, the guide transition structure is provided with a guide block, and the guide block is connected to the guide rail in a sliding way.
As a preferable technical scheme in the utility model, the guide transition structure comprises a third connecting plate, a fixed column and a fourth connecting plate, wherein the third connecting plate is connected with the guide block and a piston rod of the positive and negative electrode test pushing cylinder, the fourth connecting plate is arranged below the third connecting plate in parallel, the third connecting plate is connected with the fourth connecting plate through the fixed column, and the positive and negative electrode test device is arranged at the lower end of the fourth connecting plate.
As a preferable technical scheme in the utility model, the positive and negative electrode testing device comprises an electromagnetic valve body arranged at the lower end of a fourth connecting plate, wherein one end of the electromagnetic valve body, facing towards a module to be tested, is provided with two T-shaped sliding grooves extending along the vertical direction, and each T-shaped sliding groove is internally and slidably connected with two T-shaped sliding blocks which are controlled by the electromagnetic valve body and have insulation protection; among the two T-shaped sliding blocks, a fixed copper block is installed at the upper end of the T-shaped sliding block located below, a connecting copper block is installed at the upper end of the T-shaped sliding block located above, the connecting copper block is connected to testing equipment through a cable, and the anode and the cathode of the module to be tested are respectively clamped between the fixed copper block and the T-shaped sliding block above the fixed copper block.
As a preferable technical scheme in the utility model, the fourth connecting plate is connected with the electromagnetic valve body through at least two fifth bolts; the fourth connecting plate is provided with two mutually parallel connecting plate strip holes, at least one fifth bolt is arranged above each connecting plate strip hole, and the fifth bolt penetrates through the corresponding connecting plate strip hole and is connected with the electromagnetic valve body.
The beneficial effects are that: the utility model sets up the module to be tested on the module supporting table to be tested, set up the positive and negative terminal busbar test pushing cylinder, busbar side pushing cylinder and positive and negative terminal test pushing cylinder which connect the test equipment on both sides and above the module supporting table to be tested separately, the positive and negative terminal busbar test pushing cylinder can drive the positive and negative terminal busbar test device to contact the busbar of one end of the module to be tested, the busbar side pushing cylinder drives the busbar side test device to contact the busbar of the other end of the module to be tested, the positive and negative terminal test device can drive the positive and negative terminal test device to contact the positive and negative pole of the module to be tested, apply a certain electric current to the module through the test equipment matched with, measure the voltage between positive pole and negative pole of the module, each series of electric core, calculate the direct current internal resistance value of the module by the test equipment, the whole test process is fast, accurate and reliable, suitable for the test of the module in-production, the module supporting table to be tested is used alone, can be used for the test of cutting off the line, the module supporting table to be tested is connected with the conveyer belt in the production line, can cooperate with the production line to carry out the on-line test, the practicality of the equipment has been improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram showing the connection of the pushing cylinder for testing the positive and negative electrode buses, the supporting table and the device for testing the positive and negative electrode buses;
FIG. 3 is a schematic diagram showing the connection of the bus side pushing cylinder with the support table and the bus side testing device according to the present utility model;
FIG. 4 is a schematic diagram of a supporting table of a testing module according to the present utility model;
FIG. 5 is a schematic diagram showing the connection between the guide transition structure and the positive and negative electrode test device in the present utility model.
In the figure: 1-a supporting table; 2-positive and negative terminal bus test pushing cylinder; 3-positive and negative terminal bus bar testing device; 301-a first connection plate; 302-a first insulating plate; 303-a first insulating fixing plate; 304-a first fixation plate elongated hole; 305-a first stylus; 306-a first insulating holder; 307-first insulating plate elongated holes; 4-a module support table to be tested; 401-a base mounting plate; 402-module support; 403-positioning the bumps; 5-a module to be tested; 6-a busbar side pushing cylinder; 7-a bus side test device; 701-a second connection plate; 702-a second insulating plate; 703-a second insulating fixing plate; 704-a second fixation plate elongated hole; 705-a second stylus; 706-a second insulating holder; 707-second insulating plate elongated holes; 8-portal frames; 9-positive and negative electrode test pushing cylinder; 10-guiding transition structure; 1001-a third connection plate; 1002-fixing the column; 1003-fourth connecting plate; 1004-connecting the strip holes; 11-a guide block; 12, a guide rail; 13-an anode and cathode testing device; 1301-electromagnetic valve body; 1302-T type chute; 1303-T shaped sliders; 1304-fixing copper blocks; 1305-connecting copper blocks.
Detailed Description
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the present utility model will be briefly described below with reference to the accompanying drawings and the description of the embodiments or the prior art, and it is obvious that the following description of the structure of the drawings is only some embodiments of the present utility model, and other drawings can be obtained according to these drawings without inventive effort to a person skilled in the art. It should be noted that the description of these examples is for aiding in understanding the present utility model, but is not intended to limit the present utility model.
Examples:
as shown in fig. 1-5, this embodiment provides a module direct current internal resistance test fixture, including a supporting table 1, a positive and negative terminal bus bar test pushing cylinder 2, a positive and negative terminal bus bar test device 3, a module supporting table 4 to be tested, a bus bar side pushing cylinder 6, a bus bar side test device 7, a portal frame 8, a positive and negative terminal test pushing cylinder 9, a guiding transition structure 10 and a positive and negative terminal test device 13, wherein the positive and negative terminal bus bar test device 3, the bus bar side test device 7 and the positive and negative terminal test device 13 are all connected with a test equipment, the portal frame 8 is in a U-shaped arrangement, and two ends of the portal frame 8 are respectively mounted on one supporting table 1, so that a portal frame structure is integrally formed, namely, the device can be used alone for performing a down line test, and also can be arranged outside a transportation line of module production equipment for performing an on-line test; the upper ends of the two portal frames 8 are respectively provided with a positive and negative electrode bus bar test pushing cylinder 2 and a bus bar side pushing cylinder 6, a module to be tested supporting table 4 for installing a module to be tested 5 is arranged between the positive and negative electrode bus bar test pushing cylinder 2 and the bus bar side pushing cylinder 6, the positive and negative electrode bus bar test device 3 is connected with a piston rod of the positive and negative electrode bus bar test pushing cylinder 2 and is aligned with the module to be tested 5, the bus bar side test device 7 is connected with a piston rod of the bus bar side pushing cylinder 6 and is aligned with the module to be tested 5, the positive and negative electrode bus bar test pushing cylinder 2 pushes the positive and negative electrode bus bar test device 3 to stretch and retract, the bus bar side pushing cylinder 6 pushes the bus bar side test device 7 to stretch and retract, and the bus bar test device can contact two ends of the module to be tested 5, and then measured voltage signals are transmitted to test equipment; the positive and negative electrode test pushing cylinder 9 is arranged on the portal frame 8 above the module 5 to be tested, the guide transition structure 10 is connected with a piston rod of the positive and negative electrode test pushing cylinder 9, the positive and negative electrode test device 13 is arranged at the lower end of the guide transition structure 10 and is aligned with the module 5 to be tested, so that the positive and negative electrode test device 13 can be contacted with the positive and negative electrodes of the module 5 to be tested through telescopic movement, voltage information of the positive and negative electrodes of the module 5 to be tested is acquired and input into test equipment, and the test equipment directly calculates the total direct current internal resistance of the module 5 to be tested and the direct current internal resistance between each series of battery cells through an internal processing system.
According to the utility model, the module to be tested 5 is arranged on the module to be tested supporting table 4, the positive and negative electrode bus bar test pushing cylinder 2, the bus bar side pushing cylinder 6 and the positive and negative electrode test pushing cylinder 9 which are connected with the testing equipment are respectively arranged on two sides and above the module to be tested supporting table 4, the positive and negative electrode bus bar test pushing cylinder 2 can drive the positive and negative electrode bus bar test device 3 to contact the bus bar at one end of the module to be tested 5, the bus bar side pushing cylinder 6 drives the bus bar side test device 7 to contact the bus bar at the other end of the module to be tested 5, the positive and negative electrode test pushing cylinder 9 can drive the positive and negative electrode test device 13 to contact the positive and negative electrodes of the module to be tested 5, a certain current is applied to the module through matched testing equipment, and meanwhile, the direct current internal resistance value of the module is calculated by the testing equipment, the whole testing process is fast, accurate and reliable, the whole testing process is suitable for testing of the module in mass production, the module to be tested singly, the module to be tested can be used for the lower line test, the module to be tested 4 can be connected with a conveyer belt in a production line, and the module to be tested supporting table to be matched with the production line, and the practicability of the equipment can be tested.
As a preferred implementation manner in this embodiment, it should be further explained that the positive and negative electrode bus bar test pushing cylinder 2 is a double-piston cylinder with two piston rods, and the two piston rods of the positive and negative electrode bus bar test pushing cylinder 2 are both connected with the positive and negative electrode bus bar test device 3, so that the positive and negative electrode bus bar test device 3 is more stable.
As a preferred implementation manner in this example, it should be further explained that the positive and negative terminal bus bar testing device 3 includes a first connecting plate 301 and a first insulating plate 302 that are parallel to each other, and the first connecting plate 301 is connected to two piston rods of the positive and negative terminal bus bar testing pushing cylinder 2; the two ends of the first insulating plate 302 are connected with first insulating fixing plates 303, the two first insulating fixing plates 303 are respectively connected to the two ends of the first connecting plate 301 through first bolts, the two first insulating fixing plates 303 are respectively provided with first fixing plate strip holes 304, the first bolts penetrate through the first fixing plate strip holes 304 and are in threaded connection with the first connecting plate 301, when the first bolts are screwed down, the first insulating fixing plates 303 can be pressed down, the stability of the first insulating plates 303 is ensured, the stability of the first insulating plates 302 can be ensured, and when the first bolts are unscrewed, the positions of the first insulating plates 302 can be adjusted by utilizing the sliding between the first fixing plate strip holes 304 and the screw rod parts of the first bolts, so that the positions of the first insulating plates 302 can be flexibly adjusted according to actual conditions; the positive and negative terminal busbar test device 3 further comprises at least two first contact pins 305 connected to the test equipment through a circuit, each first contact pin 305 is contacted with and pressed against one busbar at one end of the module 5 to be tested, one end of each first contact pin 305 facing the first insulation plate 302 is connected with a first insulation fixing seat 306, the first insulation fixing seat 306 is connected with the first insulation plate 302 through two second bolts, the position of the first insulation plate 302 can be adjusted, and therefore the position of the first contact pin 305 can be adjusted, and enough gaps are reserved between the first contact pins 305 and the module 5 to be tested for the movement adjustment of the positive and negative terminal busbar test device 3; the first insulating plate 302 is provided with two parallel first insulating plate strip holes 307, and two second bolts respectively pass through one first insulating plate strip hole 307 and are in threaded connection with the first insulating fixing seat 306, so that the distance between the first contact pins 305 can be adjusted, and the first contact pins 305 can accurately contact two bus bars of the module 5 to be tested.
As a preferred implementation manner in this embodiment, it should be further explained that the busbar side pushing cylinder 6 is a double-piston cylinder provided with two piston rods, and the two piston rods of the busbar side pushing cylinder 6 are both connected to the busbar side testing device 7, so that the busbar side testing device 7 is more stable.
As a preferred embodiment in this example, it should be further explained that the bus-bar side test device 7 includes a second connection plate 701 and a second insulating plate 702 that are parallel to each other, the second connection plate 701 being connected to two piston rods of the bus-bar side pushing cylinder 6; the two ends of the second insulating plate 702 are connected with second insulating fixing plates 703, the two second insulating fixing plates 703 are respectively connected to the two ends of the second connecting plate 701 through third bolts, the two second insulating fixing plates 703 are respectively provided with second fixing plate strip holes 704, the second bolts pass through the second fixing plate strip holes 704 and are in threaded connection with the second connecting plate 701, when the third bolts are screwed down, the second insulating plate 702 can be pressed down, the stability of the second insulating plate 703 is ensured, the stability of the second insulating plate 702 can also be ensured, and when the third bolts are unscrewed, the positions of the second insulating plate 702 can be adjusted by utilizing the sliding between the second fixing plate strip holes 704 and the screw rod parts of the third bolts, so that the positions of the second insulating plate 702 can be flexibly adjusted according to actual conditions; the positive and negative terminal busbar test device 3 further comprises at least three second contact pins 705 connected to the test equipment through lines, each second contact pin 705 contacts and compresses one busbar at the other end of the module 5 to be tested, one end of each second contact pin 705, which faces the second insulating plate 702, is connected with a second insulating fixing seat 706, the second insulating fixing seat 706 is connected with the second insulating plate 702 through two fourth bolts, the position of the second insulating plate 702 is adjusted, and the position of the second contact pin 705 can be adjusted, so that a sufficient gap is reserved between the second contact pin 705 and the module 5 to be tested for the movement adjustment of the busbar side test device 7; the second insulating board 702 is provided with two parallel second insulating board strip holes 707, and two second bolts respectively pass through one second insulating board strip hole 707 and are in threaded connection with the second insulating fixing base 706, so that the distance between the second contact pins 705 can be adjusted, and the second contact pins 705 can accurately contact two bus bars of the module 5 to be tested.
As a preferred implementation manner in this embodiment, it should be further explained that the module supporting table 4 to be tested includes a base mounting plate 401, a module support 402 and positioning protrusions 403 disposed at an upper end of the module support 402, the module support 402 is mounted on the base mounting plate 401, and the positioning protrusions 403 are disposed in a plurality of positions and limited around the module 5 to be tested.
As a preferred implementation manner in this embodiment, it should be further described that the gantry 8 is provided with a guide rail 12, the guiding transition structure 10 is provided with a guide block 11, and the guide block 11 is slidably connected to the guide rail 12, so that the movement of the guiding transition structure 10 can be more regular, and the stability of the guiding transition structure 10 is enhanced.
As a preferred embodiment in this embodiment, it should be further described that the guiding and transition structure 10 includes a third connecting plate 1001, a fixing column 1002 and a fourth connecting plate 1003, the third connecting plate 1001 is connected with the guiding block 11 and the piston rods of the positive and negative electrode test pushing cylinders 9, the fourth connecting plate 1003 is disposed in parallel below the third connecting plate 1001, the third connecting plate 1001 is connected with the fourth connecting plate 1003 through the fixing column 1002, and the positive and negative electrode test device 13 is mounted at the lower end of the fourth connecting plate 1003, so that the positive and negative electrode test device 13 is located at a suitable height, and then the positive and negative electrode test device 13 can be accurately abutted to the module 5 to be tested through movement of the guiding and transition structure 10.
As a preferred embodiment in this example, it should be further described that the positive and negative electrode testing device 13 includes a solenoid valve body 1301 mounted at the lower end of the fourth connecting plate 1003, one end of the solenoid valve body 1301 facing the module 5 to be tested is provided with two T-shaped sliding grooves 1302 extending in the vertical direction, and two T-shaped sliding blocks 1303 controlled by the solenoid valve body 1301 and having insulation protection are slidably connected in each T-shaped sliding groove 1302; among the two T-shaped sliding blocks 1303, a fixed copper block 1304 is installed at the upper end of the T-shaped sliding block 1303 located below, a connecting copper block 1305 is installed at the upper end of the T-shaped sliding block 1303 located above, the connecting copper block 1305 is connected to a testing device through a cable, the positive pole and the negative pole of the module 5 to be tested are respectively clamped between the fixed copper block 1304 and the T-shaped sliding block 1303 above the fixed copper block 1304, the electromagnetic valve body 1301 controls the T-shaped sliding block 1303 to move up and down, fine adjustment in the height direction can be achieved, and then the two T-shaped sliding blocks 1303 can clamp the positive pole and the negative pole of the module 5 to be tested more accurately and rapidly.
As a preferred embodiment in this example, it should be further explained that the fourth connection plate 1003 is connected to the solenoid valve body 1301 by at least two fifth bolts; the fourth connection board 1003 is provided with two connection board strip holes 1004 parallel to each other, at least one fifth bolt is arranged above each connection board strip hole 1004, the fifth bolt passes through the corresponding connection board strip hole 1004 and is connected with the solenoid valve body 1301, so that the solenoid valve body 1301 can be finely adjusted in the horizontal direction, and further the positive and negative electrode testing device 13 can clamp the positive electrode and the negative electrode of the module 5 to be tested more accurately.
Finally, it should be noted that: the foregoing description is only of the preferred embodiments of the utility model and is not intended to limit the scope of the utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. The utility model provides a module direct current internal resistance test fixture, a serial communication port, including brace table (1), positive and negative terminal busbar test promotes cylinder (2), positive and negative terminal busbar testing arrangement (3), module brace table (4) await measuring, busbar side promotes cylinder (6), busbar side testing arrangement (7), portal frame (8), positive and negative terminal test promotes cylinder (9), direction transition structure (10) and positive and negative terminal testing arrangement (13), positive and negative terminal busbar testing arrangement (3), busbar side testing arrangement (7) and positive and negative terminal testing arrangement (13) all connect test equipment, portal frame (8) are to U-shaped setting, and the both ends of portal frame (8) are installed on a brace table (1) respectively; the upper ends of the two portal frames (8) are respectively provided with a positive and negative end bus bar test pushing cylinder (2) and a bus bar side pushing cylinder (6), a module to be tested supporting table (4) for installing a module to be tested (5) is arranged between the positive and negative end bus bar test pushing cylinder (2) and the bus bar side pushing cylinder (6), the positive and negative end bus bar test device (3) is connected with a piston rod of the positive and negative end bus bar test pushing cylinder (2) and is aligned with the module to be tested (5), and the bus bar side test device (7) is connected with a piston rod of the bus bar side pushing cylinder (6) and is aligned with the module to be tested (5); the positive and negative electrode test pushing cylinder (9) is arranged on the portal frame (8) above the module to be tested (5), the guide transition structure (10) is connected with a piston rod of the positive and negative electrode test pushing cylinder (9), and the positive and negative electrode test device (13) is arranged at the lower end of the guide transition structure (10) and is aligned with the module to be tested (5).
2. The module direct current internal resistance test fixture according to claim 1, wherein the positive and negative terminal bus bar test pushing cylinder (2) is a double-piston cylinder provided with two piston rods, and the two piston rods of the positive and negative terminal bus bar test pushing cylinder (2) are both connected with the positive and negative terminal bus bar test device (3).
3. The module direct current internal resistance test fixture according to claim 2, wherein the positive and negative terminal bus bar test device (3) comprises a first connecting plate (301) and a first insulating plate (302) which are parallel to each other, and the first connecting plate (301) is connected with two piston rods of the positive and negative terminal bus bar test pushing cylinder (2); the two ends of the first insulating plate (302) are connected with first insulating fixing plates (303), the two first insulating fixing plates (303) are respectively connected to the two ends of the first connecting plate (301) through first bolts, first fixing plate strip holes (304) are formed in the two first insulating fixing plates (303), and the first bolts penetrate through the first fixing plate strip holes (304) and are in threaded connection with the first connecting plate (301); the positive and negative terminal busbar testing device (3) further comprises at least two first contact pins (305) connected to testing equipment through lines, each first contact pin (305) is contacted with and pressed against one busbar at one end of the module to be tested (5), one end, facing the first insulating plate (302), of each first contact pin (305) is connected with a first insulating fixing seat (306), and the first insulating fixing seats (306) are connected with the first insulating plate (302) through two second bolts; two first insulating plate strip holes (307) which are parallel to each other are formed in the first insulating plate (302), and two second bolts respectively penetrate through one first insulating plate strip hole (307) and are in threaded connection with the first insulating fixing seat (306).
4. The module direct current internal resistance test fixture according to claim 1, wherein the busbar side pushing cylinder (6) is a double-piston cylinder provided with two piston rods, and the two piston rods of the busbar side pushing cylinder (6) are connected with the busbar side test device (7).
5. The module direct current internal resistance testing jig according to claim 4, wherein the busbar side testing device (7) comprises a second connecting plate (701) and a second insulating plate (702) which are parallel to each other, and the second connecting plate (701) is connected with two piston rods of the busbar side pushing cylinder (6); two ends of the second insulating plate (702) are connected with second insulating fixing plates (703), the two second insulating fixing plates (703) are respectively connected to two ends of the second connecting plate (701) through third bolts, second fixing plate strip holes (704) are formed in the two second insulating fixing plates (703), and the second bolts penetrate through the second fixing plate strip holes (704) and are in threaded connection with the second connecting plate (701); the positive and negative terminal busbar testing device (3) further comprises at least three second contact pins (705) connected to testing equipment through lines, each second contact pin (705) is in contact with and pressed against one busbar at the other end of the module to be tested (5), one end, facing towards the second insulating plate (702), of each second contact pin (705) is connected with a second insulating fixing seat (706), and the second insulating fixing seats (706) are connected with the second insulating plate (702) through two fourth bolts; two second insulating board strip holes (707) parallel to each other are formed in the second insulating board (702), and the two second bolts respectively penetrate through one second insulating board strip hole (707) and are in threaded connection with the second insulating fixing base (706).
6. The module direct current internal resistance testing jig according to any one of claims 1 to 5, wherein the module support table (4) to be tested comprises a base mounting plate (401), a module support (402) and positioning projections (403) arranged at the upper end of the module support (402), the module support (402) is mounted on the base mounting plate (401), and the positioning projections (403) are provided with a plurality of positioning projections and are limited on the periphery of the module (5) to be tested.
7. A module direct current internal resistance testing jig according to any one of claims 1-5, characterized in that a guide rail (12) is arranged on the portal frame (8), a guide block (11) is arranged on the guide transition structure (10), and the guide block (11) is slidably connected to the guide rail (12).
8. The module direct current internal resistance test fixture according to claim 7, wherein the guiding transition structure (10) comprises a third connecting plate (1001), a fixing column (1002) and a fourth connecting plate (1003), the third connecting plate (1001) is connected with the guide block (11) and a piston rod of the positive and negative electrode test pushing cylinder (9), the fourth connecting plate (1003) is arranged below the third connecting plate (1001) in parallel, the third connecting plate (1001) is connected with the fourth connecting plate (1003) through the fixing column (1002), and the positive and negative electrode test device (13) is mounted at the lower end of the fourth connecting plate (1003).
9. The module direct current internal resistance test fixture according to claim 8, wherein the positive and negative electrode test device (13) comprises an electromagnetic valve body (1301) arranged at the lower end of a fourth connecting plate (1003), two T-shaped sliding grooves (1302) extending along the vertical direction are arranged at one end of the electromagnetic valve body (1301) towards the module to be tested (5), and two T-shaped sliding blocks (1303) controlled by the electromagnetic valve body (1301) and provided with insulation protection are slidingly connected in each T-shaped sliding groove (1302); among the two T-shaped sliding blocks (1303), a fixed copper block (1304) is arranged at the upper end of the T-shaped sliding block (1303) positioned below, a connecting copper block (1305) is arranged at the upper end of the T-shaped sliding block (1303) positioned above, the connecting copper block (1305) is connected to testing equipment through a cable, and the positive pole and the negative pole of the module to be tested (5) are respectively clamped between the fixed copper block (1304) and the T-shaped sliding block (1303) above the fixed copper block (1304).
10. The module direct current internal resistance test fixture according to claim 9, wherein the fourth connecting plate (1003) is connected with the electromagnetic valve body (1301) through at least two fifth bolts; two mutually parallel connecting plate strip holes (1004) are formed in the fourth connecting plate (1003), at least one fifth bolt is arranged above each connecting plate strip hole (1004), and the fifth bolt penetrates through the corresponding connecting plate strip hole (1004) and is connected with the electromagnetic valve body (1301).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320856136.7U CN219695388U (en) | 2023-04-17 | 2023-04-17 | Module direct current internal resistance test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320856136.7U CN219695388U (en) | 2023-04-17 | 2023-04-17 | Module direct current internal resistance test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219695388U true CN219695388U (en) | 2023-09-15 |
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ID=87962770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320856136.7U Active CN219695388U (en) | 2023-04-17 | 2023-04-17 | Module direct current internal resistance test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219695388U (en) |
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2023
- 2023-04-17 CN CN202320856136.7U patent/CN219695388U/en active Active
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