CN206863083U - A kind of high current water-cooling probe assembly for lithium battery test - Google Patents
A kind of high current water-cooling probe assembly for lithium battery test Download PDFInfo
- Publication number
- CN206863083U CN206863083U CN201720558374.4U CN201720558374U CN206863083U CN 206863083 U CN206863083 U CN 206863083U CN 201720558374 U CN201720558374 U CN 201720558374U CN 206863083 U CN206863083 U CN 206863083U
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- China
- Prior art keywords
- connecting shaft
- bottom plate
- lithium battery
- high current
- probe
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Abstract
The utility model discloses a kind of high current water-cooling probe assembly for lithium battery test, including：For the L-type probe bottom plate contacted with pole, radiating seat, its insulation board is arranged on the upper end of probe base, and side is provided with water inlet and delivery port, and inside is provided with the runner of UNICOM's water inlet and delivery port；And connecting shaft, its lower end can universal swing installed in the upper end of radiating seat.Because connecting shaft with probe bottom plate is that universal swing is connected, so that in contact process is tested, probe bottom plate is not swung by connecting shaft to be influenceed fully to contact with lithium battery pole all the time, ensure that probe bottom plate and battery electrode column contact resistance are smaller, it ensure that in larger contact area and test process and contact well, improve testing efficiency；Radiating seat is additionally provided with, the temperature of probe bottom plate is reduced by water-cooling so that probe bottom plate can be tested multi-model number, and ensure that measuring accuracy.
Description
Technical field
It the utility model is related to formation of Li-ion batteries partial volume test equipment, and in particular to a kind of big electricity for lithium battery test
Flow water-cooling probe assembly.
Background technology
With the fast development of electric automobile, the power lithium battery market demand is progressively increased, and dynamic lithium battery production is surveyed
Needing to carry out high current charge-discharge in examination, the mode that screws can be used when original test equipment connects with battery, operating efficiency is low,
Poor reliability.
Probe is directly crimped on battery plus-negative plate post using cylinder or quick-speed jigs, operating efficiency is high, but probe
With pole loose contact, heating of contact can be caused serious, or even battery and probe can be burnt.For these problems, equipment at present
Producer also devises a variety of solutions, such as《Multi-point contact type umbrella-shaped probes component》(the patent No.：201210225818.4), should
Although patent meets high-current test demand to a certain extent, contact area is still not abundant enough；And《Electric current is visited
Pin》(the patent No.：201510537634.5), although contact surface is abundant, materials are more, when contact surface deviation is big, still not
It can ensure that contact is good.
The content of the invention
The application provides a kind of lithium battery test process middle probe and pole contact is good, contact area is big and testing efficiency
High high current water-cooling probe assembly.
A kind of high current water-cooling probe assembly for lithium battery test is provided in a kind of embodiment, including：
For the L-type probe bottom plate contacted with pole；
Radiating seat, for its insulating mounting in the upper end of probe base, side is provided with water inlet and delivery port, and inside is provided with UNICOM
The runner of water inlet and delivery port；
And connecting shaft, its lower end can universal swing installed in the upper end of radiating seat.
Further, in addition to shaft-cup, shaft-cup is arranged on radiating seat upper end, and encloses an accommodating cavity with radiating seat,
Shaft-cup upper end is provided with the through hole of conducting accommodating cavity, and the lower surface of connecting shaft is sphere, and the diameter of sphere is more than connecting shaft
The diameter of axle, the lower end of connecting shaft are placed in accommodating cavity through the through hole of shaft-cup.
Further, in addition to spring and spring shim, spring are set in connecting shaft, and spring shim is fixed on connecting shaft
Upper surface, the diameter of spring shim is more than the diameter of axle of connecting shaft；Connecting shaft upper end is provided with moveable installation set, spring-compressed
Between installation set and shaft-cup.
Further, in addition to signal contact chip and collets, signal contact chip are arranged on probe bottom plate by collets
Side, and the lower end bending of signal contact chip extends to the lower section of probe bottom plate.
Further, signal contact chip and collets are respectively provided with two, are symmetrically mounted on the both sides of probe bottom plate.
Further, in addition to insulating trip, insulating trip are arranged between radiating seat and probe bottom plate.
Further, insulating trip is silica gel piece.
Further, the water inlet of radiating seat and delivery port are provided with the water pipe head for connecting water pipe.
According to the high current water-cooling probe assembly for being used for lithium battery test of above-described embodiment, because connecting shaft is with visiting
Pin bottom plate be universal swing connection so that in contact process test, probe bottom plate by connecting shaft swing influenceed all the time with
Lithium battery pole fully contacts, it is ensured that probe bottom plate and battery electrode column contact resistance are smaller, ensure that larger contact area and
Contacted well in test process, also enable probe bottom plate quickly to be docked with pole, improve testing efficiency；It is additionally provided with radiating
Seat, the temperature of probe bottom plate is reduced by water-cooling, it is ensured that heat quickly spreads caused by pole during battery charging and discharging so that
Probe bottom plate can be tested multi-model number, and ensure that measuring accuracy.
Brief description of the drawings
Fig. 1 is the positive structure diagram for the high current water-cooling probe assembly of lithium battery test；
Fig. 2 is the side structure schematic view for the high current water-cooling probe assembly of lithium battery test；
Fig. 3 is the sectional view for the high current water-cooling probe assembly of lithium battery test.
Embodiment
The present invention is described in further detail below by embodiment combination accompanying drawing.
The high current water-cooling probe assembly for lithium battery test is provided in the present embodiment, is set in probe assembly
There is water-cooling, therefore this probe assembly can be tested the lithium battery of high current.
As shown in Figure 1, Figure 2 and Figure 3, the high current water-cooling probe assembly originally implemented mainly include probe bottom plate 1,
Radiating seat 2 and connecting shaft 3.
The l-shaped structure of probe base 1, its lower end plane are used to contact with lithium battery pole, and during test, circuit flows mostly to
Probe base 1.
In the present embodiment, symmetrical signal contact chip 4, signal contact chip 4 are also equipped with the lower end both sides of probe base 1
In order to keep apart between probe base 1, signal contact chip 4 is arranged on probe base 1 by collets 5, and collets 5 are exhausted
The silica gel block or unit of plastic of edge.Signal contact chip 4 is the structure of 90 ° of bendings, and the bending part bending of signal contact chip 4 extends to spy
The lower section of pin base 1, so as to which signal contact chip 4 can carry out signal acquisition.Because signal contact chip 4 and probe base 1 are mutual
Do not disturb, therefore both can carry out independent signal acquisition test respectively.
Radiating seat 2 in the present embodiment is made up of body and radiating flap, and radiating seat 2 is by the insulating mounting of insulating trip 6 in L
The transverse slat upper end of type probe base 1, insulating trip 6 are the silica gel piece of insulation.The side of radiating seat 2 is provided with water inlet and delivery port,
Inside is provided with the runner of UNICOM's water inlet and delivery port, water pipe head 7 is separately installed with water inlet and delivery port, water pipe connects
First 7 are connected with outer water tube, and recirculated water is imported into progress water-cooled in radiating seat 2 by outside realized by water tank and water pump.
The lower surface of connecting shaft 3 is sphere, sphere directly more than connecting shaft 3 the diameter of axle, the i.e. lower end of connecting shaft 3 sphere
Structure is more than connecting shaft 3.In order to which the universal swing of connecting shaft 3 is arranged on radiating seat 2, axle is installed in the upper end of radiating seat 2
Lid 8, an accommodating cavity is enclosed between shaft-cup 8 and radiating seat 2, is provided with through hole among the upper end of shaft-cup 8, the diameter of through hole is more than
It is placed in equal to the diameter of axle of connecting shaft 3, and less than the diameter of the sphere of connecting shaft 3, the lower end of connecting shaft 3 through the through hole of shaft-cup 3
In accommodating cavity between shaft-cup 8 and radiating seat 2, so as to which the lower end of connecting shaft 3 is arranged on radiating seat 2 by shaft-cup 8, and connect
Axle 3 is that universal swing formula is connected with radiating seat 2 by lower end sphere.So that connecting shaft 3 within the specific limits may be used with probe bottom plate 1
Angle is automatically adjusted, avoids probe bottom plate 1 and battery electrode column loose contact.
In order to produce larger collision when preventing probe base 1 from being contacted with lithium battery pole, the upper end of connecting shaft 3 is also installed
There is moveable installation set 9, and spring 10 is arranged with connecting shaft 3, the upper surface of connecting shaft 3 is provided with spring shim 11, bullet
Spring pad 11 is ring washer, and its external diameter is more than the diameter of axle of connecting shaft 3, and installation set 9 is sleeved on the upper end of connecting shaft 3, spring 10
Both ends are compressed between installation set 9 and shaft-cup 8.When installation set 9 is arranged in test needle bed, connecting shaft 3 can be relative to testing needle
Bed axial movement, plays a part of buffering.
A kind of high current water-cooling probe assembly for lithium battery test that the present embodiment provides, due to connecting shaft 3
It is that universal swing is connected with probe bottom plate 1 so that in contact process is tested, probe bottom plate 1 is not swung by connecting shaft 3 to be influenceed
All the time fully contacted with lithium battery pole, it is ensured that probe bottom plate and battery electrode column contact resistance are smaller, ensure that larger contact
Contacted well in area and test process, also enable probe bottom plate 1 quickly to be docked with pole, improve testing efficiency；Also
Provided with radiating seat 2, pass through the temperature of water-cooling reduction probe bottom plate, it is ensured that heat is quick caused by pole during battery charging and discharging
Diffusion so that probe bottom plate 1 can be tested multi-model number, especially the battery of high current, and ensure that test
Precision.
Use above specific case is illustrated to the present invention, is only intended to help and is understood the present invention, not limiting
The system present invention.For those skilled in the art, according to the thought of the present invention, can also make some simple
Deduce, deform or replace.
Claims (8)
- A kind of 1. high current water-cooling probe assembly for lithium battery test, it is characterised in that including：For the L-type probe bottom plate contacted with pole；Radiating seat, for its insulating mounting in the upper end of the probe base, side is provided with water inlet and delivery port, and inside is provided with UNICOM The runner of the water inlet and delivery port；And connecting shaft, its lower end can universal swing installed in the upper end of the radiating seat.
- 2. the high current water-cooling probe assembly for lithium battery test as claimed in claim 1, it is characterised in that also wrap Include shaft-cup, the shaft-cup is arranged on the radiating seat upper end, and encloses an accommodating cavity with the radiating seat, on the shaft-cup End is provided with the through hole for turning on the accommodating cavity, and the lower surface of the connecting shaft is sphere, and the diameter of the sphere is more than institute The diameter of axle of connecting shaft is stated, the lower end of the connecting shaft is placed in the accommodating cavity through the through hole of the shaft-cup.
- 3. the high current water-cooling probe assembly for lithium battery test as claimed in claim 2, it is characterised in that also wrap Spring and spring shim are included, the spring is set in the connecting shaft, and the spring shim is fixed on the upper of the connecting shaft End face, the diameter of the spring shim are more than the diameter of axle of the connecting shaft；The connecting shaft upper end is provided with moveable installation set, The spring-compressed is between the installation set and shaft-cup.
- 4. the high current water-cooling probe assembly for lithium battery test as claimed in claim 1, it is characterised in that also wrap Signal contact chip and collets are included, the signal contact chip is arranged on the side of the probe bottom plate by the collets, and And the signal contact chip lower end bending extends to the lower section of the probe bottom plate.
- 5. the high current water-cooling probe assembly for lithium battery test as claimed in claim 4, it is characterised in that described Signal contact chip and collets are respectively provided with two, are symmetrically mounted on the both sides of the probe bottom plate.
- 6. the high current water-cooling probe assembly for lithium battery test as claimed in claim 1, it is characterised in that also wrap Insulating trip is included, the insulating trip is arranged between the radiating seat and probe bottom plate.
- 7. the high current water-cooling probe assembly for lithium battery test as claimed in claim 6, it is characterised in that described Insulating trip is silica gel piece.
- 8. the high current water-cooling probe assembly for lithium battery test as claimed in claim 1, it is characterised in that described The water inlet and delivery port of radiating seat are provided with the water pipe head for connecting water pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720558374.4U CN206863083U (en) | 2017-05-18 | 2017-05-18 | A kind of high current water-cooling probe assembly for lithium battery test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720558374.4U CN206863083U (en) | 2017-05-18 | 2017-05-18 | A kind of high current water-cooling probe assembly for lithium battery test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206863083U true CN206863083U (en) | 2018-01-09 |
Family
ID=60824412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720558374.4U Expired - Fee Related CN206863083U (en) | 2017-05-18 | 2017-05-18 | A kind of high current water-cooling probe assembly for lithium battery test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206863083U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108931674A (en) * | 2018-10-15 | 2018-12-04 | 东莞市盈之宝电子科技有限公司 | A kind of heat radiating type probe |
| CN109713389A (en) * | 2018-12-28 | 2019-05-03 | 蜂巢能源科技有限公司 | Charging probe |
-
2017
- 2017-05-18 CN CN201720558374.4U patent/CN206863083U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108931674A (en) * | 2018-10-15 | 2018-12-04 | 东莞市盈之宝电子科技有限公司 | A kind of heat radiating type probe |
| CN108931674B (en) * | 2018-10-15 | 2024-01-26 | 东莞市盈之宝电子科技有限公司 | Heat dissipation type probe |
| CN109713389A (en) * | 2018-12-28 | 2019-05-03 | 蜂巢能源科技有限公司 | Charging probe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180109 Termination date: 20200518 |