CN217007620U - Battery test probe - Google Patents
Battery test probe Download PDFInfo
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- CN217007620U CN217007620U CN202220462064.3U CN202220462064U CN217007620U CN 217007620 U CN217007620 U CN 217007620U CN 202220462064 U CN202220462064 U CN 202220462064U CN 217007620 U CN217007620 U CN 217007620U
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- battery test
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Abstract
The utility model provides a battery test probe, comprising: a base formed with an inner cavity; the mounting column is arranged in the inner cavity, and a first through hole is formed in the middle of the mounting column; the current needle is detachably arranged on the mounting column, and a second through hole is formed in the current needle; the voltage needle is arranged in the first through hole and penetrates through the second through hole; a spring disposed between the mounting post and the base. The single voltage needle is a single voltage needle, the diameter of the upper end of the body of the voltage needle is smaller than that of the contact part, and the diameter size of the contact part is increased.
Description
Technical Field
The utility model relates to the technical field of electronic testing, in particular to a battery testing probe.
Background
Before series welding of the battery pieces, the whole number detection and classification must be carried out, and how to quickly and accurately detect the electrical performance of the battery pieces is a very important process, so that the final performance index of the battery assembly is influenced, and the detection efficiency is also directly influenced.
The probe is applied to one kind of test connection electronic element in the electronic test, the producer usually adopts the probe to test the electrical property of the battery piece, at present, the probe that usually uses in the market is the integral type probe or makes up the reassembling type, easy to be infected with electrolyte in the long-term work and cause the contact site of probe and battery to corrode, therefore, the probe assembly on the apparatus needs to be wiped frequently or changed; however, for a lithium power battery, a concave or screw hole may be formed in the middle of a square pole of the battery, and most of the conventional probes have the disadvantages of difficulty in sampling and inaccuracy in sampling when performing electrical performance tests.
For the above-mentioned adopt the integral type probe to carry out electrical property test to the battery and need often wipe or change the probe subassembly, carry out electrical property test to lithium power battery and can sample the shortcoming difficult and adopt inaccurate, it is necessary to provide a technical scheme who solves above-mentioned problem certainly.
SUMMERY OF THE UTILITY MODEL
The utility model aims to: the utility model provides a battery test probe, solve above-mentioned adopt the integral type probe to carry out electrical property test to the battery and need often wipe or frequently change the problem of probe subassembly, overcome and have the sampling difficulty and adopt inaccurate shortcoming when carrying out electrical property test to lithium power battery.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a battery test probe, comprising:
a base formed with an inner cavity;
the mounting column is arranged in the inner cavity, and a first through hole is formed in the middle of the mounting column;
the current needle is arranged on the mounting column, and a second through hole is formed in the current needle;
the voltage needle is arranged in the first through hole and penetrates through the second through hole;
a spring disposed between the mounting post and the base.
Still further, the voltage pin comprises a body and a contact part, wherein the contact part is positioned at the lower part of the body, and the diameter of the body is smaller than that of the contact part.
Still further, the contact portion protrudes outward through the second through hole.
Furthermore, the first through hole and the second through hole are coaxially arranged, and the diameter of the first through hole is smaller than that of the second through hole.
Furthermore, the method also comprises the following steps:
the nut comprises a first nut and a second nut, and the first nut and the second nut are fastened on the mounting column through threads;
a first lug disposed between the first nut and the second nut;
the second lug is arranged on the upper part of the base;
the connecting wire is connected between the first wire lug and the second wire lug, and the number of the connecting wires is two.
Furthermore, the method also comprises the following steps:
a spacer disposed between the first lug and the first nut.
Furthermore, a plurality of bulges are uniformly arranged on the bottom surface of the contact part and the bottom of the current pin.
Furthermore, a stabilizing sleeve is sleeved on the voltage needle and is positioned in the first through hole.
Furthermore, the material of the stabilizing sleeve is rubber or plastic.
Compared with the prior art, the utility model has the beneficial effects that:
1) the voltage needle is single voltage needle, and the body upper end diameter of voltage needle is less than the contact site diameter, has increaseed the diameter size of contact site, thereby this kind of structural design makes single voltage needle reach the effect of two voltages, and single voltage needle when carrying out the electrical property test to the battery, more can effectual assurance sampling.
2) The current pin adopts the detachable mode to be connected with the erection column, can directly dismantle the change to it when the current pin damages, need not to demolish whole module to manpower and materials have been saved.
3) Through the cover on the voltage needle be equipped with firm cover, prevent that the voltage needle from taking place to rock when the test to lead to with battery contact failure, improved the stability when using the probe to carry out electrical property test to the battery.
Drawings
Fig. 1 is a schematic perspective view of a battery test probe according to an embodiment of the present invention.
Fig. 2 is a schematic perspective view of a battery test probe according to a second embodiment of the present invention.
Fig. 3 is a schematic cross-sectional structural diagram of a battery test probe according to the present invention.
Fig. 4 is an enlarged view of a battery test probe according to the present invention.
In the figure: 1-base, 1001-lumen, 2-mounting post, 2001-first through hole, 3-current pin, 3001-second through hole, 4-voltage pin, 41-body, 42-contact, 5-spring, 6-nut, 6001-first nut, 6002-second nut, 7-spacer, 8-first lug, 9-second lug, 10-connecting wire, 11-bulge, 12-stabilizing sleeve.
Detailed Description
In order to make the technical solutions and advantages of the present invention clearer, the present invention and its advantages will be described in further detail below with reference to the following detailed description and the accompanying drawings, but the embodiments of the present invention are not limited thereto.
In the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "secured" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, the machines, the parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, so that the detailed description is omitted.
As shown in fig. 1-4, a battery test probe comprises a base 1, a mounting column 2, a current pin 3, a voltage pin 4 and a spring 5, wherein an inner cavity 1001 is formed on the base 1, the mounting column 2 is arranged in the inner cavity 1001, a first through hole 2001 is formed in the middle of the mounting column 2, the current pin 3 is arranged on the mounting column 2, a second through hole 3001 is formed in the current pin 3, the voltage pin 4 is arranged in the first through hole 2001, the voltage pin 4 passes through the second through hole 3001, and the spring 5 is arranged between the mounting column 2 and the base 1.
Preferably, the voltage needle 4 comprises a body 41 and a contact part 42, the contact part 42 is located at the lower part of the body 41, the diameter of the body 41 is smaller than that of the contact part 42, the diameter of the contact part 42 is increased, so that the effect of double voltages is achieved, the number of the voltage needles 4 is single, and sampling is more convenient in the using process.
Preferably, the contact portion 42 protrudes outward through the second through hole 3001.
Preferably, the first through hole 2001 and the second through hole 3001 have the same axial position, and the diameter of the first through hole 2001 is smaller than that of the second through hole 3001.
Preferably, the probe connector further comprises a nut 6, a first lug 8, a second lug 9 and a connecting wire 10, wherein the nut 6 comprises a first nut 6001 and a second nut 6002, the first nut 6001 and the second nut 6002 are fastened on the mounting column 2 through threads, the first lug 8 is sleeved on the mounting column 2, the first lug 8 is located between the first nut 6001 and the second nut 6002, the first lug 8 is fixed through the first nut 6001 and the second nut 6002, the second lug 9 is arranged on the upper portion of the base 1, and the two connecting wires 10 used for conducting the probe are connected between the first lug 8 and the second lug 9.
Preferably, a spacer 7 is further included, and the spacer 7 is disposed between the first lug 8 and the first nut 6001, and the spacer 7 is used for preventing the surface of the first lug 8 from being worn.
Preferably, a plurality of protrusions 11 are uniformly arranged on the bottom surface of the contact part 42 and the bottom of the current pin 3, and the protrusions 11 are used for providing electrical connection when the battery is subjected to an electrical performance test.
Preferably, the voltage pin 4 is sleeved with a stabilizing sleeve 12, and the stabilizing sleeve 12 is located in the first through hole 2001, so that the stability of the battery in the electrical performance test by using a probe is improved.
Preferably, the material of the stable sleeve 12 is rubber or plastic.
The following is described with reference to specific examples: the probe is arranged on a testing device, when the electrical property of the battery is tested, the contact part 42 of the voltage pin 4 is firstly contacted with the surface of the battery core pole column through the bulge 11 arranged at the bottom of the contact part, the spring 5 starts to be compressed until the bulge 11 on the current pin 3 is contacted with the battery core pole ear, so that the probe is respectively electrically connected with the battery pole column and a power supply, after the test is finished, the probe is separated from the battery through the testing device, and the spring 5 is reset along with the contact, so that the purpose of testing the electrical property of the battery is achieved; the diameter of the upper end of the body 41 of the voltage pin 4 is smaller than that of the contact part 42, so that the diameter of the contact part 42 is increased, the effect of double voltages is achieved, and the single voltage pin 4 is more convenient for sampling when the electrical performance of the battery is tested; the erection column 2 is connected with the current needle 3 dismantlement formula, can directly dismantle the change to it when the current needle 3 damages, need not to demolish whole module, has saved manpower and materials.
Variations and modifications to the above-described embodiments may also occur to those skilled in the art, which fall within the scope of the utility model as disclosed and taught herein. Therefore, the present invention is not limited to the above-mentioned embodiments, and any obvious improvement, replacement or modification made by those skilled in the art based on the present invention is within the protection scope of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.
Claims (9)
1. A battery test probe, comprising:
a base formed with an inner cavity;
the mounting column is arranged in the inner cavity, and a first through hole is formed in the middle of the mounting column;
the current needle is detachably arranged on the mounting column, and a second through hole is formed in the current needle;
the voltage needle is arranged in the first through hole and penetrates through the second through hole;
a spring disposed between the mounting post and the base.
2. The battery test probe of claim 1, wherein the voltage pin comprises a body and a contact portion, the contact portion being located at a lower portion of the body, the body having a diameter smaller than a diameter of the contact portion.
3. The battery test probe of claim 2, wherein the contact portion projects outwardly through the second through hole.
4. The battery test probe of claim 1, wherein the first through hole is coaxially disposed with the second through hole, and wherein the first through hole has a diameter smaller than the second through hole.
5. The battery test probe of claim 1, further comprising:
the nut comprises a first nut and a second nut, and the first nut and the second nut are fastened on the mounting column through threads;
a first lug disposed between the first nut and the second nut;
the second lug is arranged on the upper part of the base;
the connecting wire is connected between the first wire lug and the second wire lug, and the number of the connecting wires is two.
6. The battery test probe of claim 5, further comprising:
a spacer disposed between the first lug and the first nut.
7. The battery test probe as claimed in claim 2, wherein the bottom surface of the contact portion and the bottom surface of the current pin are uniformly provided with a plurality of protrusions.
8. The battery test probe of claim 1, wherein the voltage pin is sleeved with a stabilizing sleeve, and the stabilizing sleeve is located in the first through hole.
9. The battery test probe of claim 8, wherein the material of the securing sleeve is rubber or plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220462064.3U CN217007620U (en) | 2022-03-03 | 2022-03-03 | Battery test probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220462064.3U CN217007620U (en) | 2022-03-03 | 2022-03-03 | Battery test probe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217007620U true CN217007620U (en) | 2022-07-19 |
Family
ID=82394999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220462064.3U Active CN217007620U (en) | 2022-03-03 | 2022-03-03 | Battery test probe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217007620U (en) |
-
2022
- 2022-03-03 CN CN202220462064.3U patent/CN217007620U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |