CN208207028U - A kind of checking of great current probe - Google Patents
A kind of checking of great current probe Download PDFInfo
- Publication number
- CN208207028U CN208207028U CN201820502193.4U CN201820502193U CN208207028U CN 208207028 U CN208207028 U CN 208207028U CN 201820502193 U CN201820502193 U CN 201820502193U CN 208207028 U CN208207028 U CN 208207028U
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- CN
- China
- Prior art keywords
- current bar
- needle
- voltage sample
- current
- checking
- 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.)
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Abstract
The utility model provides a kind of checking of great current probe, including fixes sleeve, current bar, voltage sample needle and compressed spring, the compressed spring is between fixes sleeve and current bar, the end contact face of the current bar is taper needle point, the middle part of current bar is the accommodating space hollowed out, voltage sample needle described in 2 is each passed through in the middle part of current bar, and the end of the top Opposed Current bar of voltage sample needle is outwardly protruding.There is cone cell needle point on the contact surface of the front end of the utility model voltage sample needle, reduce the contact resistance between electric current needle and tab, detects more acurrate；And the front end of current bar, middle section, end periphery be cased with insulating cement respectively, effectively current bar can be isolated with external voltage sample needle, fixes sleeve thus, prevent the contact short circuit in detection process；Meanwhile increase insulating cement can needle point face and the battery pole ear depth of parallelism it is bad when automatic guiding needle point face, reduce contact resistance, to reduce the case where needle point is burnt out.
Description
Technical field
The utility model relates to probe application fields, including more particularly to high-current test, high current connector used in
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 examine
It surveys, traditional handwork method is to be attached using bolt or crocodile clip, but measurement accuracy is bad, and resistance value is unstable
It is fixed.It is then attached using probe, by the positive and negative anodes of probe contact battery, related data reading is carried out by instrument.In reality
In the operation of border, under the promotion of complete machine cylinder, the two poles of the earth of probe contact probe assembly with tested battery plus-negative plate, thus real
Now to battery charging, electric discharge and the detection of voltage, electric current, resistance.However, in the prior art, due to probe structure defect, leading
Cause probe in detecting precision limited, service life is short, and production and use cost are high.
Utility model content
In view of this, the present invention provides a kind of high-current tests for being adaptable to a variety of different models, and can be applicable in
In the current probe of bipolar tab detection.
In order to solve the above technical problems, the utility model provides a kind of checking of great current probe, including fixes sleeve, electricity
Flow post, voltage sample needle and compressed spring, the compressed spring is between fixes sleeve and current bar, the electric current
The end contact face of bar is taper needle point, and the middle part of current bar is the accommodating space hollowed out, voltage sample needle described in 2 point
Chuan Guo not be in the middle part of current bar, and the end of the top Opposed Current bar of voltage sample needle is outwardly protruding.
It is further described as to a kind of above-mentioned checking of great current probe, the voltage sample needle top is " L " type
And end is equipped with conical contact end, the conical contact end is raised in the end of voltage sample needle, the top of voltage sample needle
Outside is cased with the first insulating cement being isolated with current bar.
It is further described as to a kind of above-mentioned checking of great current probe, the middle part of voltage sample needle and end difference
Equipped with the second insulating cement and third insulating cement being isolated with current bar.
Further described as to a kind of above-mentioned checking of great current probe, the second insulating cement be mutually separate two pieces absolutely
Edge glue mutually supports between two insulating cements and is equipped with a movable spring.
It is further described as to a kind of above-mentioned checking of great current probe, the fixes sleeve end is equipped with first
Switching piece and the second switching piece, the first switching piece are fixed on the current bar end, the second switching by the first fixture nut
Piece is fixed on the fixes sleeve end by the second fixture nut, mutually electrical by a connecting line between two switching pieces
Connection.
Further described as to a kind of above-mentioned checking of great current probe, first fixture nut with first turn
Slim gasket is equipped between contact pin.
It is further described as to a kind of above-mentioned checking of great current probe, between taper needle point of the current bar etc.
Away from being uniformly distributed.
The utility model has the beneficial effects that having pierceable battery electrode column on the contact surface of the front end of 1, voltage sample needle
The cone cell needle point of surface oxide layer reduces the contact resistance between electric current needle and tab, detects more acurrate.
2, it is equipped with switching piece, is connected respectively with current bar, external equipment, and is welded using cable, can be realized
Simple connection structure can be carried out the purpose effectively detected.
3, it is equipped with movable spring, electric current needle can be directly used as guide post and be oriented to, while movable spring can be further
Pressure is excessive and damage probe or measured object when preventing probe from pushing.
4, the cone cell needle point of the front end of hollow shank is distributed in disk, is obtained Multi-contact, is adapted in a variety of differences
The high-current test of model, it is widely applicable.
5, voltage sample needle front end, middle section, end periphery be cased with insulating cement respectively, thus can be effectively by current bar
It is isolated with internal voltage sample needle, fixes sleeve, prevents the contact short circuit in detection process；Meanwhile increasing insulating cement
Can needle point face and the battery pole ear depth of parallelism it is bad when automatic guiding needle point face, reduce contact resistance, to reduce needle point
The case where burning out.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the schematic diagram of the section structure of the utility model；
Fig. 3 is the configuration schematic diagram of the utility model.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
The technical solution of the utility model embodiment is clearly and completely described in the attached drawing of type embodiment.Obviously, described
Embodiment is a part of the embodiment of the utility model, instead of all the embodiments.Based on described the utility model
Embodiment, those of ordinary skill in the art's every other embodiment obtained, fall within the protection scope of the utility model.
Referring to Fig.1-3, a kind of checking of great current probe, including fixes sleeve 1, current bar 2, voltage sample needle 3
With compressed spring 4, the compressed spring 4 is between fixes sleeve 1 and current bar 2, the current bar 2
End contact face be taper needle point 21, the middle part of current bar 2 is that voltage described in hollow out accommodating space 22,2 is adopted
Sample needle 3 is each passed through the middle part of current bar 2, and the end of the top Opposed Current bar 2 of voltage sample needle 3 is to evagination
It rises.
It is further described as to a kind of above-mentioned checking of great current probe, 3 top of voltage sample needle
For " L " type and end is equipped with conical contact end 31, and the conical contact end is raised in the end of voltage sample needle 3
Portion, the apical lateral of voltage sample needle 3 are cased with the first insulating cement 51 being isolated with current bar 2.
It is further described as to a kind of above-mentioned checking of great current probe, the middle part and end point of voltage sample needle 3
The second insulating cement 52 and third insulating cement 53 that She You not be isolated with current bar 2.The Divisional of multiple insulating cements is set
It sets, can prevent current bar from contacting to form short circuit with other component.
Further described as to a kind of above-mentioned checking of great current probe, the second insulating cement be mutually separate two pieces absolutely
Edge glue mutually supports between two insulating cements and is equipped with a movable spring 6.The separation design of second insulating cement, can be in conjunction with work
Deviate and prevent that insulation effect is made to fail in the position of the effective backstop insulating cement of spring of moving.
It is further described as to a kind of above-mentioned checking of great current probe, 1 end of fixes sleeve is equipped with the
One switching piece 11 and the second switching piece 12, the first switching piece are fixed on the current bar by the first fixture nut 13
2 ends, the second switching piece are fixed on 1 end of fixes sleeve by the second fixture nut 14, two switching pieces it
Between be electrically connected with each other by a connecting line 15.2 switching pieces are connected with current bar, external equipment respectively, and adopt
It is welded with connecting line, can be realized simple connection structure can be carried out the purpose effectively detected.
It is further described as to a kind of above-mentioned checking of great current probe, first fixture nut 13 and first
Slim gasket 16 is equipped between switching piece 11.It is further described as to a kind of above-mentioned checking of great current probe, it is described
The taper needle point 21 of current bar be equidistantly uniformly distributed.Being uniformly distributed for the taper needle point can guarantee at the time of contact more
Effectively, it contacts, detects more acurrate with object in large area.
The above is preferred embodiments of the present invention, it is noted that for the ordinary skill of the art
For personnel, under the premise of not departing from principle described in the utility model, it can also make several improvements and retouch, these change
It also should be regarded as the protection scope of the utility model into retouching.
Claims (7)
1. a kind of checking of great current probe, including fixes sleeve, current bar, voltage sample needle and compressed spring, the compression
Spring is between fixes sleeve and current bar, it is characterised in that: and the end contact face of the current bar is taper needle point,
The middle part of current bar is the accommodating space hollowed out, and voltage sample needle described in 2 is each passed through in the middle part of current bar, and voltage is adopted
The end of the top Opposed Current bar of sample needle is outwardly protruding.
2. a kind of checking of great current probe as described in claim 1, it is characterised in that: the voltage sample needle top
For " L " type and end is equipped with conical contact end, and the conical contact end is raised in the end of voltage sample needle, voltage sample
The apical lateral of needle is cased with the first insulating cement being isolated with current bar.
3. a kind of checking of great current probe as described in claim 1, it is characterised in that: the middle part and end of voltage sample needle
End is respectively equipped with the second insulating cement and third insulating cement being isolated with current bar.
4. a kind of checking of great current probe as described in claim 3, it is characterised in that: the second insulating cement mutually separates
Two blocks of insulating cements mutually support between two insulating cements and are equipped with a movable spring.
5. a kind of checking of great current probe as described in claim 1, it is characterised in that: the fixes sleeve end is set
There are the first switching piece and the second switching piece, the first switching piece is fixed on the current bar end by the first fixture nut, the
Two switching pieces are fixed on the fixes sleeve end by the second fixture nut, by a connecting line phase between two switching pieces
Mutually it is electrically connected.
6. a kind of checking of great current probe as described in claim 5, it is characterised in that: first fixture nut with
Slim gasket is equipped between first switching piece.
7. a kind of checking of great current probe as described in claim 1, it is characterised in that: the taper needle of the current bar
Point is equidistantly uniformly distributed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820502193.4U CN208207028U (en) | 2018-04-10 | 2018-04-10 | A kind of checking of great current probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820502193.4U CN208207028U (en) | 2018-04-10 | 2018-04-10 | A kind of checking of great current probe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208207028U true CN208207028U (en) | 2018-12-07 |
Family
ID=64525860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820502193.4U Expired - Fee Related CN208207028U (en) | 2018-04-10 | 2018-04-10 | A kind of checking of great current probe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208207028U (en) |
-
2018
- 2018-04-10 CN CN201820502193.4U patent/CN208207028U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181207 Termination date: 20190410 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |