CN220854986U - Power battery test probe module - Google Patents
Power battery test probe module Download PDFInfo
- Publication number
- CN220854986U CN220854986U CN202320454767.6U CN202320454767U CN220854986U CN 220854986 U CN220854986 U CN 220854986U CN 202320454767 U CN202320454767 U CN 202320454767U CN 220854986 U CN220854986 U CN 220854986U
- Authority
- CN
- China
- Prior art keywords
- current
- needle
- current needle
- test probe
- module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000000523 sample Substances 0.000 title claims abstract description 52
- 238000012360 testing method Methods 0.000 title claims abstract description 38
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 18
- 238000007747 plating Methods 0.000 claims description 11
- 229910052759 nickel Inorganic materials 0.000 claims description 9
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 6
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 6
- 229910052737 gold Inorganic materials 0.000 claims description 6
- 239000010931 gold Substances 0.000 claims description 6
- 229910052709 silver Inorganic materials 0.000 claims description 6
- 239000004332 silver Substances 0.000 claims description 6
- 238000007514 turning Methods 0.000 abstract description 5
- 239000002699 waste material Substances 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 239000004020 conductor Substances 0.000 abstract description 2
- 239000002994 raw material Substances 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 238000009713 electroplating Methods 0.000 description 4
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000020411 cell activation Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Landscapes
- Measuring Leads Or Probes (AREA)
Abstract
The utility model discloses a power battery test probe module, which comprises a module base, wherein a plurality of A high-current probes are equidistantly arranged on the upper end face of the module base, a plurality of plug adapter wires connected with the A high-current probes are arranged at one end of the module base, a battery fixing loading plate is arranged at the upper end of the A high-current probes, and a voltage needle contact point, a current needle contact point, a voltage needle head, a current needle, a test loading plate, a current needle fixing seat, a current needle connecting wire terminal and a current needle adapter wire are sequentially arranged at the A high-current probes from top to bottom. The utility model has the beneficial effects that: the current needle adopts split design, makes full use of the characteristics of raw materials, makes full use of the maximum benefit, effectively reduces the cost waste problem caused by turning (the turning waste rate is reduced to 4%), and simultaneously adjusts the current conversion line by increasing the contact surface of the current needle and the cross section of a conductor, so that the surface temperature rise of the current needle is still kept within 30 ℃ when the current passes through 150A.
Description
Technical Field
The utility model relates to the technical field of battery test probe modules, in particular to a power battery test probe module.
Background
In the prior art, a conventional 100A high-current test probe is formed by assembling a main body part with a voltage pin, a current pin fixing seat, a current pin switching wire and a current pin nut fixing joint, when the conventional 100A high-current test probe is tested, a single probe is fixed on a loading plate through a nut, the loading plate drives the probe to press down to test the probe, the voltage pin preferentially contacts a battery cell, the current pin starts to contact after 2.0mm of travel, and the 75N elastic force generated by a spring enables the voltage pin to stably contact, then the current pin starts to be electrified for 5V, 100A current is electrified, the test lasts for 5 hours, the current passes through a current pin switching wire terminal, the current pin switching wire, a current pin body and finally reaches the battery cell, and the temperature of the current pin body rises at about 40 ℃ during the test standard of 100A current: the temperature rise is less than 40 ℃, the impedance is less than 1mΩ, and the conventional high-current probe has the risk of exceeding the temperature.
With the improvement of the customer battery cell activation production process, the testing device also needs to be improved and upgraded again, the original single-needle nut is fixedly tested to the current multiple probes which are simultaneously pressed down for testing, so that the high-efficiency testing industry and a simple needle changing mode are formed to improve the production efficiency, and the electric performance parameters are from the initial electrifying 100A impedance of less than 1mΩ, the temperature rise of less than 40 ℃ to the electrifying 120A temperature rise of less than 30 ℃ required by the current customer, so that the conventional probe structure can not meet the testing requirement of the customer; and the phenomenon of material waste exists in the current pin production turning, and the utility model designs a high-current probe structure and a corresponding power battery probe module.
Disclosure of utility model
The utility model aims to provide a power battery test probe module for solving the problems in the background technology. In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a power battery test probe module, includes the module base, module base up end equidistance is provided with a plurality of A high current probe, module base one end is equipped with a plurality of the multistrand plug patch cord that A high current probe is connected, a plurality of A high current probe upper end has placed battery fixation loading board, A high current probe is equipped with voltage needle contact point, current needle contact point, voltage needle syringe needle, current needle, test loading board, current needle fixing base, current needle connecting wire terminal and current needle patch cord from top to bottom in proper order.
Further preferably, a battery cell to be tested is placed in the battery fixing and loading plate.
Further preferably, a current needle fixing seat is arranged in the middle of the current needle, and a pushing spring and a fixing spring sleeved on the current needle are arranged at the upper end and the lower end of the current needle fixing seat.
Further preferably, the current pin patch cord is disposed on one side of the current pin connection cord terminal.
Further preferably, the tail part of the current pin, which is far away from the voltage pin contact point, is provided with a plug-in terminal.
Further preferably, the current needle head is connected with the current needle through riveting, and a connection gap is filled with high-temperature-resistant silver paste.
Further preferably, a nickel plating layer is arranged on the surface of the voltage needle head, a gold plating layer is arranged on the surface of the current needle head, and the current needle head is in contact with the battery cell electrode lug.
Further preferably, the surfaces of the pushing spring and the fixing spring are provided with nickel plating layers.
Further preferably, the current needle patch cord is a double square wire.
Further preferably, a plurality of nut interfaces are arranged on one side of the module base.
Advantageous effects
According to the power battery test probe module provided by the utility model, the current needle adopts a split design, the characteristics of raw materials are fully utilized, the maximum benefit is brought into play, the cost waste problem caused by turning is effectively reduced (turning waste rate is reduced to 4%), the contact surface and the conductor cross section of the current needle are increased, meanwhile, the current conversion wire is adjusted, the surface temperature rise of the current needle is still kept within 30 ℃ when the current passes through 150A, the surfaces of the current needle and the voltage needle both adopt new nickel plating and gold plating processes, the needle head can be effectively prevented from being corroded by battery liquid by the electroplating process, the service life is prolonged by 50%, the power battery test probe module can reduce the time for changing the probe by a client, meanwhile, the die can realize simultaneous testing of 8pcs in the on-site environment, the test efficiency is improved by 70%, and the module adopts an aluminum alloy natural color anode mode to improve the corrosion resistance and the service life of the metal surface.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic diagram of a 120A high current probe structure according to the present utility model;
FIG. 3 is a schematic diagram of a prior art 100A high current test probe;
FIG. 4 is a schematic diagram of a prior art freestanding 50A high current probe structure.
Detailed Description
The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.
Examples
As shown in fig. 1-2, a power battery test probe module comprises a module base 1, wherein a plurality of 120A high-current probes 2 are equidistantly arranged on the upper end surface of the module base 1, a plurality of multi-strand plug adapter wires 3 connected with the plurality of 120A high-current probes 2 are arranged at one end of the module base 1, a battery fixing loading plate 4 is arranged at the upper end of the plurality of 120A high-current probes 2, and a voltage pin contact point 5, a current pin contact point 6, a voltage pin needle 7, a current pin needle 8, a current pin 9, a test loading plate 10, a current pin fixing seat 11, a current pin connecting wire terminal 12 and a current pin adapter wire 13 are sequentially arranged on the 120A high-current probes 2 from top to bottom.
In this embodiment, a battery cell 14 to be measured is placed in the battery fixing and loading plate 4, a current needle fixing seat 15 is provided in the middle of the current needle 9, a pushing spring 16 and a fixing spring 17 sleeved on the current needle 9 are provided at the upper end and the lower end of the current needle fixing seat 15, a current needle patch cord 13 is provided at one side of the current needle connecting wire terminal 12, and a plug wire terminal 18 is provided at the tail of the current needle 9 away from the voltage needle contact point 5.
The current needle head 8 and the current needle 9 are connected through riveting, high-temperature-resistant silver paste is filled in the connecting gap of the current needle head 8 and the current needle 9, a nickel plating layer is arranged on the surface of the voltage needle head 7, a gold plating layer is arranged on the surface of the current needle head 8, and the current needle head 8 is in contact with the electrode lug of the battery cell 14.
The surfaces of the pushing spring 16 and the fixing spring 17 are respectively provided with a nickel plating layer, the current pin patch cord 13 is a double-strand 32 square wire, and one side of the module base 1 is provided with a plurality of nut interfaces 19.
The 150A high-current probe activates a battery cell according to the requirement of a customer, the temperature rise is required to be less than 30 ℃, the impedance is less than 1mΩ, the service life reaches 30K times, the top end of the current needle head adopts a hob cutting process, so that the tooth tip of the current needle head has certain puncture property, the radiating surface is increased, and meanwhile, the radiating surface has certain puncture property, and the body surface is plated with nickel, gold, corrosion and abrasion. The current needle head and the current needle rod adopt a split overstretch riveting design, so that the cost is saved and the current can be 150A. The spring provided 80N elastic force with SUS nickel-plated stainless steel wire satisfies contact stability and durability in use. The current needle connecting wire adopts a 32 square copper tin wire, and the temperature rise change is small when 150A current is passed. The spring buckle design is made according to the new requirement of the customer, so that the installation becomes simple and easy, and the high-current probe can meet the use requirement of the customer;
The current needle head adopts split type design, and two parts of current needle head and current needle pole have increased the cooling surface in the design of syringe needle side, make it better to heat introduction. The increased cross section of the shank portion increases the diameter, and the larger the cross section, the more dispersed the current distribution and the lower the temperature rise. The two parts are subjected to super-hard fit through precision machining, meanwhile, the contact surfaces of the two parts are uniformly coated with silver paste for filling, the silver paste is hardened to achieve the effect of combining two parts through local heating of a silver paste area at 500 ℃/1 minute, the experiment test shows that the temperature rise is about 20 ℃ during 1H, the temperature rise is finally stabilized at 28 ℃ after 5H, and finally, the electroplating (nickel electroplating and pure gold electroplating) process is performed for one time, the hardness is more than or equal to 450HV, and the tooth tip of the current needle head has a point puncture property;
The current needle connecting wire is verified for many times, and the increase of the square of the copper-tin wire is obviously helpful for reducing the temperature rise, the copper-tin wire has good conductivity, and the test transmission loss is lower;
The spring is made of stainless steel wires, has high strength coefficient of restitution and high temperature resistance of 450 ℃, and can ensure the stability of elasticity and the service life to be required for 30K times.
Claims (10)
1. The utility model provides a power battery test probe module which characterized in that: including module base (1), module base (1) up end equidistance is provided with a plurality of 120A high current probe (2), module base (1) one end be equipped with a plurality of stranded plug patch cord (3) that 120A high current probe (2) are connected, a plurality of battery fixed loading board (4) have been placed to 120A high current probe (2) upper end, 120A high current probe (2) are equipped with voltage needle contact point (5), current needle contact point (6), voltage needle head (7), current needle head (8), current needle (9), test loading board (10), current needle fixing base (11), current needle connecting wire terminal (12) and current needle patch cord (13) from top to bottom in proper order.
2. The power cell test probe module of claim 1, wherein: and a battery cell (14) to be tested is arranged in the battery fixing and loading plate (4).
3. The power cell test probe module of claim 1, wherein: the middle part of the current needle (9) is provided with a current needle fixing seat (11), and the upper end and the lower end of the current needle fixing seat (11) are respectively provided with a pushing spring (16) and a fixing spring (17) which are sleeved on the current needle (9).
4. The power cell test probe module of claim 1, wherein: the current pin patch cord (13) is arranged on one side of the current pin connecting wire terminal (12).
5. The power cell test probe module of claim 1, wherein: the tail part of the current needle (9) far away from the voltage needle contact point (5) is provided with an inserting end (18).
6. The power cell test probe module of claim 1, wherein: the current needle head (8) is connected with the current needle (9) through riveting, and the connection gap is filled with high-temperature-resistant silver paste.
7. The power cell test probe module of claim 2, wherein: the surface of the voltage needle head (7) is provided with a nickel plating layer, the surface of the current needle head (8) is provided with a gold plating layer, and the current needle head (8) is in contact with the electrode lug of the battery cell (14).
8. A power cell test probe module according to claim 3, wherein: the surfaces of the pushing spring (16) and the fixing spring (17) are respectively provided with a nickel plating layer.
9. The power cell test probe module of claim 1, wherein: the current needle patch cord (13) is a double 32 square wire.
10. The power cell test probe module of claim 1, wherein: one side of the module base (1) is provided with a plurality of nut interfaces (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320454767.6U CN220854986U (en) | 2023-03-12 | 2023-03-12 | Power battery test probe module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320454767.6U CN220854986U (en) | 2023-03-12 | 2023-03-12 | Power battery test probe module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220854986U true CN220854986U (en) | 2024-04-26 |
Family
ID=90781540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320454767.6U Active CN220854986U (en) | 2023-03-12 | 2023-03-12 | Power battery test probe module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220854986U (en) |
-
2023
- 2023-03-12 CN CN202320454767.6U patent/CN220854986U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205616981U (en) | Electroplating rack electrically conducts mechanism | |
| CN220854986U (en) | Power battery test probe module | |
| CN110284164B (en) | Gold plating solution for pin jack of electronic connector and electroplating equipment thereof | |
| CN206878210U (en) | Charging connector and intelligent watch | |
| CN209210954U (en) | A kind of micro- plating prosthetic device of biplate shape parallel pole relay connector conductive plane | |
| CN103151671B (en) | A kind of for network socket, the wiring board pricking with needle of interface, the manufacture method of terminal | |
| CN208189601U (en) | A kind of the front main grid structure and solar battery of more main grid batteries | |
| CN102983336B (en) | A kind of cathode current collector of alkaline manganese cell and preparation method thereof | |
| CN201725879U (en) | Spring type conductive copper base | |
| CN110350339A (en) | Conductive terminal and its manufacturing method and electric connector | |
| CN217901846U (en) | Coaxial probe for testing battery cell of new energy automobile | |
| CN221550777U (en) | Cylindrical battery combined current probe | |
| CN110707456A (en) | High-current plug connector component and high-current plug connector | |
| CN220323500U (en) | Split type chemical composition probe | |
| CN2863233Y (en) | Diamond synthesis heating mechanism | |
| CN219321569U (en) | Novel prevent plastic deformation's battery linking strip | |
| CN218896841U (en) | Conductive terminal and electric connector | |
| CN220626479U (en) | Angle self-adaptive adjusting probe based on soft material | |
| CN213460425U (en) | Transformer joint processing apparatus that generates heat | |
| CN111740283B (en) | High-voltage rectangular connector for eliminating current edge effect | |
| CN201898096U (en) | Plum-blossom-shaped contact terminal connector accessory of high-voltage circuit breaker for electric test | |
| CN212388130U (en) | Corrosion-resistant interface cladding material structure that charges | |
| CN108807019A (en) | Switch metallic conductor and its manufacturing method | |
| CN214588920U (en) | Collector plate of direct methanol fuel cell | |
| CN210576590U (en) | High-current plug connector component and high-current plug connector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |