CN111735995A - Independently-detachable test probe - Google Patents
Independently-detachable test probe Download PDFInfo
- Publication number
- CN111735995A CN111735995A CN202010475912.XA CN202010475912A CN111735995A CN 111735995 A CN111735995 A CN 111735995A CN 202010475912 A CN202010475912 A CN 202010475912A CN 111735995 A CN111735995 A CN 111735995A
- Authority
- CN
- China
- Prior art keywords
- needle
- current
- voltage
- fixing part
- injection molding
- 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.)
- Pending
Links
- 239000000523 sample Substances 0.000 title claims abstract description 23
- 238000001746 injection moulding Methods 0.000 claims abstract description 42
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 10
- 230000003139 buffering effect Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/06—Measuring leads; Measuring probes
- G01R1/067—Measuring probes
- G01R1/06711—Probe needles; Cantilever beams; "Bump" contacts; Replaceable probe pins
- G01R1/06716—Elastic
- G01R1/06722—Spring-loaded
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/378—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC] specially adapted for the type of battery or accumulator
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Leads Or Probes (AREA)
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 invention has the beneficial effects 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 invention relates to an independently detachable test probe, and belongs to the technical field of lithium batteries.
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 defects of inconvenience in needle replacement, cost-effective damage to the surface of a battery tab, inconvenience in maintenance and the like of the conventional device, the invention provides the test probe which can be independently disassembled, is convenient to replace and operate, has high crimping reliability and small contact resistance value and is suitable for cylindrical or square lithium ion power battery charging and discharging equipment.
The invention relates to an independently detachable test probe, which is characterized by 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 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 invention has the beneficial effects 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 a tooth-shaped contact surface of the present invention.
FIG. 3 is an exploded view of the present invention;
Detailed Description
The invention is further described below 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 concept and the scope of the present invention should not be considered limited to the specific forms set forth in the embodiments but includes equivalent technical means as would be recognized by those skilled in the art based on the inventive concept.
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 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.
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 |
|---|---|---|---|
| CN202010475912.XA CN111735995A (en) | 2020-05-29 | 2020-05-29 | Independently-detachable test probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010475912.XA CN111735995A (en) | 2020-05-29 | 2020-05-29 | Independently-detachable test probe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111735995A true CN111735995A (en) | 2020-10-02 |
Family
ID=72646525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010475912.XA Pending CN111735995A (en) | 2020-05-29 | 2020-05-29 | Independently-detachable test probe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111735995A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115684680A (en) * | 2022-12-28 | 2023-02-03 | 康信达科技(苏州)有限公司 | Probe for blade battery |
| WO2023037345A1 (en) * | 2021-09-13 | 2023-03-16 | Ipte Factory Automation N.V. | Assembly for testing device for printed circuit boards, method for replacing components of a testing device and method for testing a printed circuit board |
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| CN209878831U (en) * | 2019-04-22 | 2019-12-31 | 胜峰科技(宁波)有限公司 | Concentric probe structure for lithium battery test |
| CN212845527U (en) * | 2020-05-29 | 2021-03-30 | 浙江杭可科技股份有限公司 | Independently-detachable test probe |
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2020
- 2020-05-29 CN CN202010475912.XA patent/CN111735995A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201250255A (en) * | 2011-06-14 | 2012-12-16 | Chroma Ate Inc | Intense current probe structure |
| CN206650137U (en) * | 2017-03-28 | 2017-11-17 | 中航锂电（洛阳）有限公司 | Chemical conversion machine and its probe groups |
| CN207007894U (en) * | 2017-06-20 | 2018-02-13 | 东莞市盈之宝电子科技有限公司 | A kind of super-high-current probe |
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| CN109103641A (en) * | 2018-07-09 | 2018-12-28 | 浙江杭可科技股份有限公司 | Spininess group probe unit |
| CN209878962U (en) * | 2019-04-22 | 2019-12-31 | 胜峰科技(宁波)有限公司 | Probe set for lithium battery detection |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023037345A1 (en) * | 2021-09-13 | 2023-03-16 | Ipte Factory Automation N.V. | Assembly for testing device for printed circuit boards, method for replacing components of a testing device and method for testing a printed circuit board |
| BE1029749B1 (en) * | 2021-09-13 | 2023-04-11 | Ipte Factory Automation N V | Assembly for test equipment for printed circuit boards |
| CN115684680A (en) * | 2022-12-28 | 2023-02-03 | 康信达科技(苏州)有限公司 | Probe for blade battery |
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