CN212845527U - Independently-detachable test probe - Google Patents
Independently-detachable test probe Download PDFInfo
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- CN212845527U CN212845527U CN202020963320.8U CN202020963320U CN212845527U CN 212845527 U CN212845527 U CN 212845527U CN 202020963320 U CN202020963320 U CN 202020963320U CN 212845527 U CN212845527 U CN 212845527U
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Abstract
An independently detachable test probe, comprising: the injection molding piece is provided with two voltage pin assembly mounting through holes and two current pin assembly mounting through holes; the current needle assembly comprises a current fixing part and a current needle, the current needle is detachably mounted at the mounting through hole of the current needle assembly through the current fixing part, and the lead connecting end of the current needle is electrically connected with the formation equipment through a lead; the lower end surface of the current needle falls outside the injection molding piece; and the voltage needle assembly comprises a voltage needle fixing part and a voltage needle, the voltage needle is detachably mounted in the voltage needle assembly mounting through hole through the voltage needle fixing part, the lead connecting end of the voltage needle is electrically connected with the formation equipment through a lead, and the contact end of the voltage needle falls outside the injection molding piece. The utility model has the advantages that: the voltage needle is convenient to disassemble; the contact surface of the current pin adopts a zigzag structure design, so that poor contact is prevented when foreign matters exist on the surface of a battery tab; can be suitable for the current range of 30A-150A; the spring plays a buffer role when the probe current needle and the voltage needle are compressed.
Description
Technical Field
The utility model relates to a test probe that can independently dismantle belongs to lithium cell technical field.
Background
The probe of producing on the existing market, there is the use unstable, the contact segment of probe can not fully contact with the utmost point ear of electric core, thereby lead to high temperature to burn out probe and utmost point ear, at the in-process of the probe maintenance in later stage, can not independently dismantle, thereby make the consuming time power of maintenance in later stage, and the terminal surface of probe is processed very smoothly moreover, when probe and utmost point ear contact, the foreign matter can probably exist, thereby lead to the contact surface resistance to increase, the temperature risees, make electric core damage.
Disclosure of Invention
In order to solve the inconvenient, cost-effective shortcoming such as hindering battery tab surface of needle changing that present device exists, be unfavorable for the maintenance, the utility model provides a can independently dismantle, change convenient operation, crimping reliability height, contact resistance are little, are applicable to cylindrical or square lithium ion power battery charging and discharging equipment and use the test probe.
A test probe that can independently dismantle, a serial communication port, include:
the injection molding piece is provided with two voltage pin assembly mounting through holes for mounting the voltage pin assembly and a current pin assembly mounting through hole for penetrating the lower end of the current pin assembly, and the central axis of the current pin fixing piece mounting through hole is arranged in parallel with the central axis of the voltage pin assembly mounting through hole;
the current needle assembly is inserted into the current needle fixing piece mounting through hole of the injection molding piece and comprises a current fixing part for mounting a current needle and a current needle for contacting with a battery tab, the current needle is detachably mounted at the current needle assembly mounting through hole of the injection molding piece through the current fixing part, and the lead connecting end of the current needle is electrically connected with formation equipment through a lead; the lower end surface of the current needle falls outside the injection molding part to form a tab contact surface which can be in contact connection with a battery tab;
and the voltage needle assembly is inserted in the voltage needle assembly mounting through hole of the injection molding part and comprises a voltage needle fixing part and a voltage needle, the voltage needle is detachably mounted in the voltage needle assembly mounting through hole of the injection molding part through the voltage needle fixing part, the lead connecting end of the voltage needle is electrically connected with formation equipment through a lead, and the contact end of the voltage needle falls outside the injection molding part and is positioned at the same side of the injection molding part with the contact surface of the current needle to be used for being in contact with a battery tab to measure the voltage of the battery.
The current fixing part comprises a current fixing part and a nut component, the current fixing part is used for fixing a current needle, the nut component is used for fixing a lead, the current fixing part is inserted into the current needle component mounting through hole, the upper end of the current fixing part penetrates through the mounting through hole of the injection molding part and then is in threaded connection with the nut component used for fixing the lead connecting end, and the lower end of the current fixing part is provided with a detachable current needle.
The current fixing part further comprises a spring used for buffering, the spring is sleeved outside the current needle fixing part, the lower end of the spring abuts against the boss of the current needle fixing part, and the upper end of the spring abuts against the inner wall of the injection molding part.
The contact surface of the electrode lug of the current pin is a tooth profile and is used for preventing poor contact when foreign matters exist on the surface of the electrode lug of the battery.
The nut component comprises a first nut and a second nut, the first nut and the second nut are sequentially sleeved on the thread section of the current needle, and the first nut and the second nut are respectively in threaded connection with the thread section of the current needle fixing piece.
The lower tip of injection molding is equipped with the boss, is equipped with the mounting hole that is used for fixing on the boss.
The voltage needle fixing part comprises a voltage needle sleeve and an embedded needle sleeve, wherein the voltage needle sleeve is inserted into the voltage needle assembly mounting through hole, the embedded needle sleeve is inserted into the voltage needle sleeve, and a voltage needle is detachably arranged in the embedded needle sleeve.
The utility model has the advantages that: 1) the voltage needle is convenient to disassemble, and is beneficial to later-stage needle replacement and maintenance;
2) the contact surface of the current pin is designed in a zigzag structure, so that poor contact can be prevented when foreign matters exist on the surface of a battery tab;
3) the voltage needle is used for detecting the voltage of the battery and can be suitable for the current range of 30A-150A;
4) the spring plays the cushioning effect when probe current needle and voltage needle compress, and the current needle mounting is used for the current needle fixed mounting, and the spiral shell is used for binding post's arrangement and fixed.
Drawings
Fig. 1 is an axial view of the present invention;
fig. 2 is a structural view of the tooth-shaped contact surface of the present invention.
Fig. 3 is an exploded view of the present invention;
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
With reference to the accompanying drawings:
the injection molding part 4 is provided with two voltage pin assembly mounting through holes for mounting the voltage pin assembly and a current pin assembly mounting through hole for penetrating the lower end of the current pin assembly, and the central axis of the current pin fixing part mounting through hole is arranged in parallel with the central axis of the voltage pin assembly mounting through hole;
the current needle assembly is inserted into the current needle fixing piece mounting through hole of the injection molding piece and comprises a current fixing part for mounting a current needle and a current needle 1 for contacting with a battery tab, the current needle is detachably mounted at the current needle assembly mounting through hole of the injection molding piece through the current fixing part, and the lead connecting end of the current needle is electrically connected with the formation equipment through a lead; the lower end surface of the current needle falls outside the injection molding part to form a tab contact surface which can be in contact connection with a battery tab;
and the voltage needle assembly 2 is inserted in the voltage needle assembly mounting through hole of the injection molding part and comprises a voltage needle fixing part and a voltage needle 22, the voltage needle is detachably mounted in the voltage needle assembly mounting through hole of the injection molding part through the voltage needle fixing part, a lead connecting end of the voltage needle is electrically connected with formation equipment through a lead, and a contact end of the voltage needle falls outside the injection molding part and is positioned at the same side of the injection molding part as a contact surface of the current needle to be in contact with a battery tab to measure the voltage of the battery.
The current fixing part comprises a current fixing part 3 for fixing a current needle and a nut component 5 for fixing a lead, the current fixing part is inserted into the current needle component mounting through hole, the upper end of the current fixing part penetrates through the mounting through hole of the injection molding part and then is in threaded connection with the nut component for fixing the lead connecting end, and the lower end of the current fixing part is provided with a detachable current needle.
The current fixing part further comprises a spring 6 for buffering, the spring is sleeved outside the current needle fixing part, the lower end of the spring abuts against the boss of the current needle fixing part, and the upper end of the spring abuts against the inner wall of the injection molding part.
The contact surface of the electrode lug of the current pin 1 is a tooth-shaped surface 11 and is used for preventing poor contact when foreign matters exist on the surface of the electrode lug of the battery.
The nut component 5 comprises a first nut 51 and a second nut 52, the first nut and the second nut are sequentially sleeved on the threaded section of the current needle, and the first nut and the second nut are respectively screwed with the threaded section of the current needle fixing piece.
The lower tip of injection molding 4 is equipped with the boss, is equipped with the mounting hole that is used for fixing on the boss.
The voltage needle fixing part comprises a voltage needle sleeve 21 and an embedded needle sleeve 23, wherein the voltage needle sleeve is inserted into the voltage needle assembly mounting through hole, the embedded needle sleeve is inserted into the voltage needle sleeve, and a voltage needle is detachably arranged in the embedded needle sleeve.
The contact surface of the current pin 1 is a tooth profile and is used for preventing poor contact when foreign matters exist on the surface of a battery tab.
The voltage needle assembly 2 comprises a voltage needle sleeve 21, a voltage needle 22 and an embedded needle sleeve 23, wherein the embedded needle sleeve 21 is fixedly arranged on the inner wall of the voltage needle assembly mounting through hole, and the voltage needle 22 is detachably arranged in the embedded needle sleeve 21.
The wire connecting end of the voltage needle 22 is electrically connected with the formation equipment through a wire.
The nut assembly 5 comprises a first nut 51 and a second nut 52, the first nut 51 and the second nut 52 are sequentially sleeved on the threaded section of the current pin, and the first nut 51 and the second nut 52 are respectively screwed with the threaded section of the current pin fixing member 3.
The injection molding 4 is made of insulating materials, and the axial section of the injection molding is of a T-shaped structure.
The embodiments described in this specification are merely illustrative of implementations of the inventive concepts, and the scope of the invention should not be considered limited to the specific forms set forth in the embodiments, but rather the scope of the invention includes equivalent technical means that can be conceived by those skilled in the art based on the inventive concepts.
Claims (7)
1. An independently detachable test probe, comprising:
the injection molding piece is provided with two voltage pin assembly mounting through holes for mounting the voltage pin assembly and a current pin assembly mounting through hole for penetrating the lower end of the current pin assembly, and the central shaft of the current pin assembly mounting through hole is arranged in parallel with the central shaft of the voltage pin assembly mounting through hole;
the current needle assembly is inserted into the current needle assembly mounting through hole of the injection molding part and comprises a current fixing part for mounting a current needle and the current needle for contacting with a battery tab, the current needle is detachably mounted at the current needle assembly mounting through hole of the injection molding part through the current fixing part, and the lead connecting end of the current needle is electrically connected with formation equipment through a lead; the lower end surface of the current needle falls outside the injection molding part to form a tab contact surface which can be in contact connection with a battery tab;
and the voltage needle assembly is inserted in the voltage needle assembly mounting through hole of the injection molding part and comprises a voltage needle fixing part and a voltage needle, the voltage needle is detachably mounted in the voltage needle assembly mounting through hole of the injection molding part through the voltage needle fixing part, the lead connecting end of the voltage needle is electrically connected with formation equipment through a lead, and the contact end of the voltage needle falls outside the injection molding part and is positioned at the same side of the injection molding part with the contact surface of the current needle to be used for being in contact with a battery tab to measure the voltage of the battery.
2. An independently detachable test probe according to claim 1, wherein: the current fixing part comprises a current fixing part and a nut component, the current fixing part is used for fixing a current needle, the nut component is used for fixing a lead, the current fixing part is inserted into the current needle component mounting through hole, the upper end of the current fixing part penetrates through the mounting through hole of the injection molding part and then is in threaded connection with the nut component used for fixing the lead connecting end, and the lower end of the current fixing part is provided with a detachable current needle.
3. An independently detachable test probe according to claim 1, wherein: the current fixing part further comprises a spring used for buffering, the spring is sleeved outside the current needle fixing part, the lower end of the spring abuts against the boss of the current needle fixing part, and the upper end of the spring abuts against the inner wall of the injection molding part.
4. An independently detachable test probe according to claim 1, 2 or 3, wherein: the contact surface of the electrode lug of the current pin is a tooth profile and is used for preventing poor contact when foreign matters exist on the surface of the electrode lug of the battery.
5. An independently detachable test probe according to claim 2, wherein: the nut component comprises a first nut and a second nut, the first nut and the second nut are sequentially sleeved on the thread section of the current needle, and the first nut and the second nut are respectively in threaded connection with the thread section of the current needle fixing piece.
6. An independently detachable test probe according to claim 1, wherein: the lower tip of injection molding is equipped with the boss, is equipped with the mounting hole that is used for fixing on the boss.
7. An independently detachable test probe according to claim 1, wherein: the voltage needle fixing part comprises a voltage needle sleeve and an embedded needle sleeve, wherein the voltage needle sleeve is inserted into the voltage needle assembly mounting through hole, the embedded needle sleeve is inserted into the voltage needle sleeve, and a voltage needle is detachably arranged in the embedded needle sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020963320.8U CN212845527U (en) | 2020-05-29 | 2020-05-29 | Independently-detachable test probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020963320.8U CN212845527U (en) | 2020-05-29 | 2020-05-29 | Independently-detachable test probe |
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| Publication Number | Publication Date |
|---|---|
| CN212845527U true CN212845527U (en) | 2021-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020963320.8U Active CN212845527U (en) | 2020-05-29 | 2020-05-29 | Independently-detachable test probe |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111735995A (en) * | 2020-05-29 | 2020-10-02 | 浙江杭可科技股份有限公司 | Independently-detachable test probe |
-
2020
- 2020-05-29 CN CN202020963320.8U patent/CN212845527U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111735995A (en) * | 2020-05-29 | 2020-10-02 | 浙江杭可科技股份有限公司 | Independently-detachable test probe |
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