CN202994859U - Probe device - Google Patents
Probe device Download PDFInfo
- Publication number
- CN202994859U CN202994859U CN 201220709768 CN201220709768U CN202994859U CN 202994859 U CN202994859 U CN 202994859U CN 201220709768 CN201220709768 CN 201220709768 CN 201220709768 U CN201220709768 U CN 201220709768U CN 202994859 U CN202994859 U CN 202994859U
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- CN
- China
- Prior art keywords
- probe
- needle tubing
- probe needle
- tip
- internal
- 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.)
- Expired - Fee Related
Links
- 239000000523 sample Substances 0.000 title claims abstract description 130
- 238000009413 insulation Methods 0.000 claims description 13
- 238000009434 installation Methods 0.000 claims description 6
- 238000005452 bending Methods 0.000 claims description 4
- 238000012360 testing method Methods 0.000 abstract description 18
- 230000007547 defect Effects 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 6
- 229910052802 copper Inorganic materials 0.000 description 6
- 239000010949 copper Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 241001149930 Protura <class> Species 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
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- Measuring Leads Or Probes (AREA)
Abstract
Disclosed in the utility model is a probe device that comprises a probe needle head, a probe needle tube, an elastic retainer ring for a shaft, a first plain washer, a spring, and a second plain washer. The retainer ring is arranged on the probe needle tube; the spring is arranged at one side, far away from the probe needle head, of the retainer ring; and the tail portion of the probe needle head is fixedly connected to the probe needle tube. Besides, the probe device is characterized in that the head portion of the probe needle head has a plurality of bent and elastic metal strips that are arranged into a lantern shape at intervals along the circumference of the probe needle head. According to the probe device provided by the utility model, defects that the test precision for the probe is not ideal and the stability is poor in the prior art can be overcome. And the advantages of the probe device are as follows: the probe employs an elastic multi-spot type needle head, so that the needle head can be contacted with the tab surface of the electrical core stably, thereby substantially improving the test precision and the one-time test passing rate; and the test efficiency is substantially enhanced.
Description
Technical field
The utility model relates to a kind of probe unit, is a kind of probe unit for test battery core parameter specifically, belongs to field of test instrument.
Background technology
Probe unit is called for short probe, is mainly used in various electronic and electrical equipment tests.In the field tests of battery battery core, probe is used for being connected to the input end of testing tool, and then battery core internal resistance and voltage being tested efficiently by contact battery core both positive and negative polarity, its afterbody.Must carry out sorting and combo to battery core before battery dispatches from the factory, namely by test battery core internal resistance and voltage, carry out the battery core sorting and assemble in groups according to measured data.And probe plays most important effect for the accuracy of data in battery core parameter measurement process.Therefore the research of probe technique just seemed necessary.
Understand according to the applicant, existing at present domestic its syringe needle of probe for the battery core parameter testing adopts plane, reason due to the cell polar ear manufacture craft, the flatness of lug is extremely low, and consistance is very poor, cause the probe surface of contact of plane little and unstable, so cause not ideal enough, the less stable of the data precision of surveying; Simultaneously, due to the structural limitations of existing probe, need two complete equipments carry out twice different test to internal resistance and the voltage tester of battery core, testing efficiency is lower.
Summary of the invention
The technical matters that the utility model solves is: propose the probe unit that a kind of precision is higher, stability is better, testing efficiency is higher.
In order to solve the problems of the technologies described above, a kind of probe unit of the technical scheme that the utility model proposes comprises:
The probe needle tubing, be fixedly connected on the probe tip of described probe needle tubing one end; Described probe needle tubing is provided with back-up ring, and described back-up ring is provided with spring away from probe tip one side; The afterbody of described probe tip is fixedly connected on described probe needle tubing; It is characterized in that: that the head of described probe tip comprises a plurality of bendings and have flexible bonding jumper and circumferentially be spaced into lantern-shaped along described probe tip.
The utility model further improves and is:
1. described probe needle tubing is hollow structure; Its inside also has: be arranged at insulation guide pin bushing in described probe needle tubing, be arranged at internal probe sleeve pipe in described insulation guide pin bushing, be arranged at the internal probe of described internal probe sleeve pipe; Described internal probe forms conduction with described inner sleeve and is connected; The welded top of described internal probe sleeve pipe has external wire.
2. the other end of described probe needle tubing is provided with screw thread and a bolt is installed; Be provided with the second plain washer between described bolt and described probe needle tubing; Described bolt vertically has through hole.
3. the top of described bonding jumper forms the pyramidal tip shape.
4. described probe needle tubing is provided with draw-in groove, and described back-up ring comprises the circlip for shaft and the first plain washer that is fixedly connected with described circlip for shaft that is installed in described draw-in groove; Described spring is fixedly connected with described the first plain washer.
5. described probe needle tubing inside has counterbore, is used for determining the installation site of described insulation guide pin bushing; Described insulation guide pin bushing inside has counterbore, is used for determining the installation site of described internal probe sleeve pipe.
The beneficial effects of the utility model are as follows:
Probe unit of the present utility model solves well that present probe test precision is not ideal enough, the defective of poor stability.Its advantage is that probe adopts elasticity multiple spot shape syringe needle, makes the good stability that also keeps of syringe needle and cell polar ear Surface Contact, has improved greatly contact precision and has once tested percent of pass and testing efficiency.
Description of drawings
Be described further of the present utility model below in conjunction with accompanying drawing.
Fig. 1 is the three-dimensional view of the utility model embodiment one.
Fig. 2 is the front view of the utility model embodiment one.
Fig. 3 is that the A-A of the utility model embodiment one is to cross section view.
Fig. 4 is the three-dimensional view of the utility model embodiment two.
Fig. 5 is the front view of the utility model embodiment two.
Fig. 6 is that the A-A of the utility model embodiment two is to cross section view.
Number in the figure is schematically as follows: 1-internal probe, 2-probe tip, 3-probe needle tubing, 4-circlip for shaft, 5-the first plain washer, 6-spring, 7-the second plain washer, 8-bolt, the 9-guide pin bushing that insulate, 10-internal probe sleeve pipe.
Embodiment
Embodiment one
A kind of probe unit as shown in Figures 1 to 3.
The present embodiment comprises:
The outer probe needle tubing 3 that conductive material consists of; Probe tip 2 is fixedly connected on an end of probe needle tubing 3; Probe needle tubing 3 is provided with draw-in groove, and circlip for shaft 4 is installed in draw-in groove, and the first bottle holder circle 5, circlip for shaft 4 and spring 6 are fixedly connected sequentially towards the probe caudal directions and are in the same place; The other end of probe needle tubing 3 is provided with screw thread, and a bolt 8 is installed; The second plain washer 7 is housed between bolt 8 and probe needle tubing 3; The head of probe tip 2 is to be formed by monoblock copper sheet bending after cutting into strip, forms the arc with 5mm stroke, forms the lantern dress along circumferentially being arranged in order of outer probe tip 2, and the top of bonding jumper is with 45 ° of pyramidal tip syringe needles.
During work, probe begins to press down, the conehead type prongs contact cell polar ear outer ring, 45 ° of four sides of probe tip lower end, probe continues to press down, and after reaching stroke, probe tip utilizes the elasticity of its copper sheet that battery core is clamped, the tester reading that this moment, observable was connected with probe, after registration was stable, then record data were lifted on probe, the probe tip copper sheet slowly recovers elasticity, separate with cell polar ear, get back to original position, thereby complete a test job.
Embodiment two
A kind of probe unit as shown in Figs. 4-6.
The present embodiment comprises:
The probe needle tubing 3 that conductive material consists of; Probe tip 2 is fixedly connected on an end of probe needle tubing 3; The insulation guide pin bushing 9 of PP material is installed in probe needle tubing 3 by clearance fit, probe needle tubing 3 inside have counterbore, be used for determining the installation site of insulation guide pin bushing 9, prevent that simultaneously when probe from pressing down, insulation guide pin bushing 9 produces relative displacement upwards because of the effect that is subjected to upward force, play position-limiting action; Internal probe sleeve pipe 10 by clearance fit be installed in insulation guide pin bushing 9, insulation guide pin bushing 9 inside have counterbore, when preventing simultaneously that for the installation site of determining internal probe sleeve pipe 10 probe from pressing down, internal probe sleeve pipe 10 produces relative displacement upwards because of the effect that is subjected to upward force, play position-limiting action, the counterbore in principle and probe needle tubing 3 is similar; Internal probe 1 is installed in internal probe sleeve pipe 10; Probe needle tubing 3 is provided with draw-in groove, and circlip for shaft 4 is installed in draw-in groove, is fixedly connected sequentially with spring 6 towards probe caudal directions the first bottle holder circle 5, circlip for shaft 4 and is in the same place; The other end of probe needle tubing 3 is provided with screw thread, and a bolt 8 is installed; The second plain washer 7 is housed between bolt 8 and probe needle tubing 3; Bolt 8 vertically has through hole; The welded top of internal probe sleeve pipe 10 has wire, and wire is drawn from the probe afterbody by the passage in probe needle tubing 3 and the through hole of bolt 8; The head of probe tip 2 is to be formed by monoblock copper sheet bending after cutting into strip, form have the 5mm stroke arc, form the lantern dress along circumferentially being arranged in order of outer probe tip 2, the top of bonding jumper is with 45 ° of pyramidal tip syringe needles.
During work, the syringe needle of internal probe touches the cell polar ear center, then 45 of the probe tip lower end ° of four sides conehead type prongs begin to contact the cell polar ear outer ring, probe continues to press down, after reaching stroke, probe tip utilizes the elasticity of its copper sheet that battery core is clamped, the tester reading that this moment, observable was connected with probe, after registration is stable, record battery core internal resistance and voltage data, then lift on probe, the probe tip copper sheet slowly recovers elasticity, separate with cell polar ear, get back to original position, thereby complete the test job of a battery core internal resistance and voltage.
In addition to the implementation, the present invention can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of requirement of the present invention.
Claims (6)
1. probe unit comprises: the probe needle tubing, be fixedly connected on the probe tip of described probe needle tubing one end; Described probe needle tubing is provided with back-up ring, and described back-up ring is provided with spring away from probe tip one side; The afterbody of described probe tip is fixedly connected on described probe needle tubing; It is characterized in that: that the head of described probe tip comprises a plurality of bendings and have flexible bonding jumper and circumferentially be spaced into lantern-shaped along described probe tip.
2. probe unit according to claim 1, it is characterized in that: described probe needle tubing is hollow structure; Its inside also has: be arranged at insulation guide pin bushing in described probe needle tubing, be arranged at internal probe sleeve pipe in described insulation guide pin bushing, be arranged at the internal probe of described internal probe sleeve pipe; Described internal probe forms conduction with described inner sleeve and is connected; The welded top of described internal probe sleeve pipe has external wire.
3. described probe unit according to claim 1 and 2, it is characterized in that: the other end of described probe needle tubing is provided with screw thread and a bolt is installed; Be provided with the second plain washer between described bolt and described probe needle tubing; Described bolt vertically has through hole.
4. described probe unit according to claim 1 and 2, it is characterized in that: the top of described bonding jumper forms the pyramidal tip shape.
5. described probe unit according to claim 1 and 2, it is characterized in that: described probe needle tubing is provided with draw-in groove, and described back-up ring comprises the circlip for shaft and the first plain washer that is fixedly connected with described circlip for shaft that is installed in described draw-in groove; Described spring is fixedly connected with described the first plain washer.
6. probe unit according to claim 2 is characterized in that: described probe needle tubing inside has counterbore, is used for determining the installation site of described insulation guide pin bushing; Described insulation guide pin bushing inside has counterbore, is used for determining the installation site of described internal probe sleeve pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220709768 CN202994859U (en) | 2012-12-20 | 2012-12-20 | Probe device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220709768 CN202994859U (en) | 2012-12-20 | 2012-12-20 | Probe device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202994859U true CN202994859U (en) | 2013-06-12 |
Family
ID=48566028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220709768 Expired - Fee Related CN202994859U (en) | 2012-12-20 | 2012-12-20 | Probe device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202994859U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103076468A (en) * | 2012-12-20 | 2013-05-01 | 上海恒动汽车电池有限公司 | Probe device |
| CN108906669A (en) * | 2018-07-17 | 2018-11-30 | 游诚琦 | A kind of automatic sorting method of lithium cell |
| CN108940934A (en) * | 2018-07-17 | 2018-12-07 | 游诚琦 | A kind of lithium battery consistency sorting unit |
| CN108993934A (en) * | 2018-07-17 | 2018-12-14 | 游诚琦 | A kind of automatic fraction collector of lithium cell |
-
2012
- 2012-12-20 CN CN 201220709768 patent/CN202994859U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103076468A (en) * | 2012-12-20 | 2013-05-01 | 上海恒动汽车电池有限公司 | Probe device |
| CN108906669A (en) * | 2018-07-17 | 2018-11-30 | 游诚琦 | A kind of automatic sorting method of lithium cell |
| CN108940934A (en) * | 2018-07-17 | 2018-12-07 | 游诚琦 | A kind of lithium battery consistency sorting unit |
| CN108993934A (en) * | 2018-07-17 | 2018-12-14 | 游诚琦 | A kind of automatic fraction collector of lithium cell |
| CN108993934B (en) * | 2018-07-17 | 2020-12-01 | 国网江苏省电力有限公司无锡供电分公司 | An automatic sorting machine for lithium batteries |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANGHAI H + D EV BATTERY CO., LTD. Free format text: FORMER OWNER: SHANGHAI H + D EV BATTERY CO.,LTD. Effective date: 20150522 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 201804 JIADING, SHANGHAI TO: 201805 JIADING, SHANGHAI |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20150522 Address after: 201805 Jiading District, Anting Town Park Road, No. 799, No. Patentee after: SHANGHAI H&D EV BATTERY Co.,Ltd. Address before: 201804 Shanghai Jiading District Huangdu Town Road No. 805 spring Patentee before: Shanghai H & D Ev Battery Co.,Ltd. |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Probe device Effective date of registration: 20190318 Granted publication date: 20130612 Pledgee: Jiangxi State-owned Venture Capital Management Co.,Ltd. Pledgor: SHANGHAI H&D EV BATTERY Co.,Ltd. Registration number: 2019360000012 |
|
| 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: 20130612 Termination date: 20211220 |