CN208921756U - A kind of checking of great current probe - Google Patents
A kind of checking of great current probe Download PDFInfo
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- CN208921756U CN208921756U CN201821477092.2U CN201821477092U CN208921756U CN 208921756 U CN208921756 U CN 208921756U CN 201821477092 U CN201821477092 U CN 201821477092U CN 208921756 U CN208921756 U CN 208921756U
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- needle
- voltage
- checking
- syringe needle
- hollow
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Abstract
The utility model relates to high current application fields, more particularly to a kind of checking of great current probe, including a hollow shank, one voltage needle, one voltage syringe needle, the hollow shank is equipped with the accommodating cavity for installing voltage needle, the hollow shank bottom is equipped with the circular groove for installing voltage syringe needle, the circular groove is stretched out in voltage syringe needle bottom surface, outer wall of the hollow shank at circular groove is equipped with several radiating grooves, the hollow shank bottom surface is equipped with the first taper needle point of several uniform dense distributions, the voltage syringe needle is connected to voltage needle bottom, voltage syringe needle bottom surface annular is provided with the second taper needle point, the hollow needle bar side surface cover is equipped with sleeve, hollow needle bar side face between the sleeve and the radiating groove is equipped with big spring.The utility model structure optimization, contact is good, and measuring accuracy is high, good heat dissipation effect.
Description
Technical field
The utility model relates to high current application fields, and in particular to a kind of checking of great current probe.
Background technique
In cell production process, the charging to battery semi-finished product, electric discharge and voltage, electric current, resistance is needed to detect,
Traditional handwork method is to be attached using bolt or crocodile clip, but measurement accuracy is bad, and resistance value is unstable.With
It is attached afterwards using probe, by the positive and negative anodes of probe contact battery, related data reading is carried out by instrument.In practical operation
In, under the promotion of complete machine cylinder, the two poles of the earth of probe contact probe assembly with tested battery plus-negative plate, to realize to battery
Charging, electric discharge and the detection of voltage, electric current, resistance.However, in the prior art, due to probe structure defect, leading to probe in detecting
Precision is limited, and service life is short, and production and use cost are high.
Utility model content
In view of the above problems, the purpose of the utility model is to provide a kind of structure optimizations, and contact is good, test essence
Spend high checking of great current probe.
The technical solution of the utility model are as follows: a kind of checking of great current probe, including a hollow shank, a voltage are provided
Needle, a voltage syringe needle, the hollow shank are equipped with the accommodating cavity for installing voltage needle, and the hollow shank bottom is equipped with for peace
The circular groove of voltage syringe needle is filled, the circular groove is stretched out in voltage syringe needle bottom surface, and the hollow shank is close to round recessed
Outer wall at slot is equipped with several radiating grooves, and the hollow shank bottom surface is equipped with the first taper needle of several uniform dense distributions
Point, the voltage syringe needle are connected to voltage needle bottom, and voltage syringe needle bottom surface annular is provided with the second taper needle point, the sky
Heart shank side is arranged with sleeve, and the hollow needle bar side face between the sleeve and the radiating groove is equipped with big spring.
Preferably, the hollow shank upper side is equipped with external screw thread, and the external screw thread is for screwing in two nuts, two nuts
Between be equipped with corrugated gasket.
Preferably, the voltage needle lower side is equipped with little spring.
Preferably, the voltage needle section is equipped with rear gum cover, is equipped with interior gum cover, voltage needle bottom in the middle part of the voltage needle
Portion is equipped with preceding gum cover.
Preferably, snap ring is equipped with above the rear gum cover.
Preferably, the accommodating cavity of the outer profile of the preceding gum cover and the hollow shank is collectively formed interior with circular groove
Profile fitting.
Preferably, the voltage syringe needle and the preceding gum cover are interference fitted.
Preferably, voltage syringe needle bottom is equipped with annular protrusion, and the annular protrusion is equipped with uniform dense distribution
Second taper needle point.
The utility model has the following beneficial effects: 1. first taper needle points and the second taper needle point can obtain Multi-contact,
The high-current test and high current connector in a variety of different models are adapted to, it is widely applicable；2. voltage needle section, middle part, bottom
The periphery in portion is cased with insulating cement respectively, thus can effectively be isolated hollow shank and internal voltage needle, prevent from detecting
Contact short circuit in journey；3. being equipped with radiating groove close to the outside of voltage syringe needle in hollow shank, it is conducive to rapid cooling；4. hollow
Position is kept away between the accommodating cavity wall of shank and voltage needle not contact, and prevents the contact short circuit in detection process；5. the voltage syringe needle
It is interference fitted with the preceding gum cover, so that position is more stable during the test for voltage syringe needle.
Detailed description of the invention
Fig. 1 is a kind of checking of great current probe structure schematic diagram of the utility model.
Fig. 2 is a kind of checking of great current probe schematic bottom view of the utility model.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only to explain this
Utility model is not used to limit the utility model.
As shown in Figure 1 to Figure 2, the utility model provides a kind of checking of great current probe, including hollow 1, one electricity of shank
Pressing 2, a voltage syringe needle 10, the hollow shank 1 are equipped with the accommodating cavity for installing voltage needle 2, hollow 1 bottom of shank
Equipped with the circular groove for installing voltage syringe needle 10, the circular groove, the hollow needle are stretched out in 10 bottom surface of voltage syringe needle
Outer wall of the bar 1 at circular groove is equipped with several radiating grooves 9, and hollow 1 bottom surface of shank is equipped with several uniformly intensive
First taper needle point 12 of distribution, the voltage syringe needle 10 are connected to 2 bottom of voltage needle, the setting of voltage syringe needle bottom surface annular
There is the second taper needle point 11, hollow 1 side of shank is arranged with sleeve 6, between the sleeve 6 and the radiating groove 10
Hollow 1 side of shank is equipped with big spring 8.
1 upper side of hollow shank is equipped with external screw thread, and the external screw thread is for screwing in two nuts 5, between two nuts 5
Equipped with corrugated gasket 14.
2 lower side of voltage needle is equipped with little spring 13.
2 head of voltage needle is equipped with rear gum cover 4, is equipped with interior gum cover 7,2 bottom of voltage needle in the middle part of the voltage needle 2
Equipped with preceding gum cover 15.
Snap ring 3 is equipped with after described above gum cover 15.
The Internal periphery that the accommodating cavity and circular groove of the outer profile of the preceding gum cover 15 and the hollow shank 1 are collectively formed
Fitting.
The voltage syringe needle 10 is interference fitted with the preceding gum cover 15.
10 bottom of voltage syringe needle is equipped with annular protrusion, and the annular protrusion is equipped with the second cone of uniform dense distribution
Shape needle point 11.
The first taper needle point 12 and the second taper needle point 11 of the utility model design rationally, can obtain Multi-contact,
The high-current test and high current connector in a variety of different models are adapted to, it is widely applicable；Voltage needle section, middle part, bottom
Periphery be cased with insulating cement (i.e. preceding gum cover, interior gum cover and rear gum cover) respectively, thus can effectively by hollow shank 1 with it is internal
Voltage needle 2 is isolated, and prevents the contact short circuit in detection process；It is equipped with and dissipates close to the outside of voltage syringe needle 10 in hollow shank 1
Heat channel slot 9 is conducive to rapid cooling；Position is kept away between the accommodating cavity wall of hollow shank 1 and voltage needle 21 not contact, and prevents detection process
In contact short circuit；The voltage syringe needle 10 is interference fitted with the preceding gum cover 15, so that voltage syringe needle 10 is during the test
Position is more stable.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modification, equivalent replacement or improvement etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (8)
1. a kind of checking of great current probe, including a hollow shank, a voltage needle, a voltage syringe needle, which is characterized in that the sky
Heart shank is equipped with the accommodating cavity for installing voltage needle, and the hollow shank bottom is equipped with for the round recessed of installation voltage syringe needle
The circular groove is stretched out in slot, voltage syringe needle bottom surface, if outer wall of the hollow shank at circular groove is equipped with
Dry radiating groove, the hollow shank bottom surface are equipped with the first taper needle point of several uniform dense distributions, and the voltage syringe needle connects
It connects in voltage needle bottom, voltage syringe needle bottom surface annular is provided with the second taper needle point, and the hollow needle bar side surface cover is equipped with
Sleeve, the hollow needle bar side face between the sleeve and the radiating groove are equipped with big spring.
2. checking of great current probe according to claim 1, which is characterized in that the hollow shank upper side is equipped with outer
Screw thread, the external screw thread are equipped with corrugated gasket between two nuts for screwing in two nuts.
3. checking of great current probe according to claim 1, which is characterized in that the voltage needle lower side is equipped with small bullet
Spring.
4. checking of great current probe according to claim 1, which is characterized in that the voltage needle section is equipped with rear gum cover,
Interior gum cover is equipped in the middle part of the voltage needle, voltage needle bottom is equipped with preceding gum cover.
5. checking of great current probe according to claim 4, which is characterized in that be equipped with snap ring after described above gum cover.
6. checking of great current probe according to claim 4, which is characterized in that the outer profile and the sky of the preceding gum cover
The accommodating cavity of heart shank is bonded with the Internal periphery that circular groove is collectively formed.
7. checking of great current probe according to claim 6, which is characterized in that the voltage syringe needle and the preceding gum cover mistake
It is full of cooperation.
8. checking of great current probe according to claim 1, which is characterized in that voltage syringe needle bottom is equipped with convex annular
It rises, the annular protrusion is equipped with the second taper needle point of uniform dense distribution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821477092.2U CN208921756U (en) | 2018-09-11 | 2018-09-11 | A kind of checking of great current probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821477092.2U CN208921756U (en) | 2018-09-11 | 2018-09-11 | A kind of checking of great current probe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208921756U true CN208921756U (en) | 2019-05-31 |
Family
ID=66705059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821477092.2U Active CN208921756U (en) | 2018-09-11 | 2018-09-11 | A kind of checking of great current probe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208921756U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112098842A (en) * | 2020-08-10 | 2020-12-18 | 昆山康信达光电有限公司 | Split type lithium battery test current probe |
-
2018
- 2018-09-11 CN CN201821477092.2U patent/CN208921756U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112098842A (en) * | 2020-08-10 | 2020-12-18 | 昆山康信达光电有限公司 | Split type lithium battery test current probe |
| CN112098842B (en) * | 2020-08-10 | 2024-05-03 | 昆山康信达光电有限公司 | Split type lithium battery test current probe |
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