CN207717942U - Cell voltage test structure - Google Patents

Abstract

A kind of cell voltage test structure, including telescopic positive pen, telescopic cathode pen, realizing the fixing bolt being rotatablely connected between the positive pen and the cathode pen and a pair of of fixed card buckle；The anode pen includes positive pen core, positive nib portion made of the anode pen core includes positive pars contractilis and extended by the positive pars contractilis lower end, the anode pen further include for be inserted into the positive pars contractilis and positive pen core shell and positive wire across the top of positive pen core shell and positive nib portion electric connection；The cathode pen includes cathode pen core, cathode nib portion made of the cathode pen core includes cathode pars contractilis and extended downwardly by the pars contractilis；The cathode pen further includes the cathode pen core shell for being inserted into the cathode pars contractilis and the cathode conductor across the top of cathode pen core shell and the electric connection of cathode nib portion；Above-mentioned cell voltage test structure is simple in structure and highly practical.

Description

Cell voltage test structure

【Technical field】

The utility model is related to battery electrode column voltage tester fields, are specifically related to a kind of cell voltage test structure.

【Background technology】

Currently, lithium ion battery generally detected by the positive and negative anodes test pencil being fixed to each other the lithium of single form and dimension from Sub- battery, the shapes and sizes which detects lithium battery are single, and changing lithium battery shape or size will table customized again Pen, can not only reduce efficiency, can also waste material, increase cost；The tooling of another kind detection voltage is exactly pen meter of universal meter, inspection One hand-held positive test pencil when survey, a hand-held cathode test pencil are detected, because two test pencils will all alignment lithium electricity simultaneously every time The positive and negative anodes in pond could be measured effectively, therefore detection efficiency is relatively low.

In consideration of it, it is really necessary to provide a kind of novel cell voltage test structure with overcome the deficiencies in the prior art.

【Utility model content】

The purpose of this utility model is to provide the cell voltage test structure that a kind of flexibility is good and detection efficiency is high.

To achieve the goals above, the utility model provides a kind of cell voltage test structure, the cell voltage test Structure includes telescopic positive pen, telescopic cathode pen, is rotated between the positive pen and the cathode pen to realize The fixing bolt of connection and a pair of of fixed card buckle；The anode pen includes positive pen core, and the anode pen core is stretched including anode Contracting portion and being extended downwardly by the positive pars contractilis lower end forms and for the anode in electrical contact with the anode of mesuring battary Written portion, the anode pen further include for be inserted into the positive pars contractilis and positive pen core shell and across positive pen core The positive wire that the top of shell is electrically connected with the positive nib portion；The cathode pen includes cathode pen core, the cathode Pen core includes cathode pars contractilis and is extended downwardly by the pars contractilis lower end to form and for electrical with the cathode of mesuring battary The cathode nib portion of contact；The cathode pen further includes cathode pen core shell for being inserted into the cathode pars contractilis and passes through The cathode conductor that the top of cathode pen core shell is electrically connected with cathode nib portion；The anode pars contractilis and cathode are flexible Offer the uniform and annular in shape limiting slot in multiple intervals in portion, the anode pen core shell and the cathode pen core shell Bottom end is opened up there are one opening annular in shape, by the limiting slot that a fixed card buckle is inserted in the positive pars contractilis And the company of fixation in the opening of the positive pen core shell between the achievable positive pars contractilis and the positive pars contractilis It connects, by inserting in a fixed card buckle in one limiting slot of the cathode pars contractilis and the opening of the cathode pen core shell Being fixedly connected between the positive pars contractilis and the positive pars contractilis can be achieved.

Further, the positive pen core shell and the cathode pen core shell are respectively equipped with the close to the position on top One fixed ring and the second fixed ring, first fixed ring and the second fixed ring shape size and the fixing bolt phase Corresponding, first fixed ring is realized by the fixing bolt with second fixed ring and is rotatablely connected.

Further, between the angle between the positive pen and the cathode pen is 0 ° -180 °.

Further, it is divided into 0.1cm-0.2cm between the limiting slot on the positive pars contractilis and cathode pars contractilis.

Further, length and the cathode conductor of the positive wire in positive pen core shell are in the cathode Adjustable in length in pen core shell.

Compared with prior art, the utility model is suitable for not by telescopic positive pen and telescopic cathode pen Similar shape and different size of battery, it is highly practical, it can also be by the positive pen and the cathode pen by the fixing bolt Be fixed together the simultaneously different angle of expansible, improves flexibility and detection efficiency；In conclusion the utility model design is closed Reason, it is easy to operate, material is saved, cost-effective, flexibility is good, and detection efficiency is high.

【Description of the drawings】

Fig. 1 is the exploded view of the utility model cell voltage test structure；

Fig. 2 is the installation diagram of positive pen and cathode pen shown in Fig. 1；

【Specific implementation mode】

It is clear in order to make the purpose of this utility model, technical solution and advantageous effects be more clear, below in conjunction with attached Figure and specific implementation mode, the present invention will be further described in detail.It should be understood that described in this specification Specific implementation mode is not intended to limit the utility model just for the sake of explaining the utility model.

Also referring to Fig. 1 and Fig. 2, a kind of cell voltage test structure 100 provided by the utility model, including it is scalable Positive pen 1, telescopic cathode pen 2, realizing the fixation being rotatablely connected between the positive pen 1 and the cathode pen 2 Bolt 3 and a pair of of fixed card buckle 4.The anode pen 1 includes positive pen core 11, and the anode pen core 11 is including being flame-resistant insulation It the positive pars contractilis 111 of material and is extended downwardly by positive 111 lower end of pars contractilis and forms and be used for and mesuring battary Anode positive nib portion 112 in electrical contact, the anode pen 1 further include for being inserted into the positive pars contractilis 111 and being exhausted The positive pen core shell 12 of the fire-retardant material of edge and electrical across the top of positive pen core shell 12 and the positive nib portion 112 The positive wire 13 of connection.The cathode pen 2 includes cathode pen core 21, and the cathode pen core 21 includes for flame-resistant insulation material Cathode pars contractilis 211 and being extended downwardly by 211 lower end of the pars contractilis forms and the cathode for mesuring battary is electrically connected with Tactile cathode nib portion 212.The cathode pen 2 further includes for being inserted into the cathode pars contractilis 211 and being flame-resistant insulation material Cathode pen core shell 22 and the cathode that is electrically connected across the top of cathode pen core shell 22 and cathode nib portion 212 Conducting wire 23.It should be noted that length and the cathode conductor 23 of the positive wire 13 in positive pen core shell 12 Length in the cathode pen core shell 22 can be adjusted freely.

The anode pen core shell 12 and the cathode pen core shell 22 are respectively equipped with first close to the position on top and consolidate Determine ring 121 and the second fixed ring 122, first fixed ring 121 it is consistent with 122 shape size of the second fixed ring and Corresponding with the fixing bolt 3, the fixing bolt 3 passes through first fixed ring 121 and second fixed ring 122, i.e., described first fixed ring 121 is rotatablely connected with second fixed ring 122 by the fixing bolt 3.It is appreciated that The anode pen 1 and the cathode pen 2 can by the connection between first fixed ring 121 and second fixed ring 122 Form different angles.When needing the positive pen 1 being used separately with the cathode pen 2, the fixed spiral shell only need to be back-outed Bolt 3.In the present embodiment, between the angle between the positive pen 1 and the cathode pen 2 is 0 ° -180 °.

The limit uniform and annular in shape with multiple intervals are offered on cathode pars contractilis 211 of the anode pars contractilis 111 The bottom end of slot a, the anode pen core shell 12 and the cathode pen core shell 22 is opened up there are one opening b annular in shape, is led to It crosses and a fixed card buckle 4 is inserted in into a limiting slot a of the positive pars contractilis 111 and opening for the positive pen core shell 12 Being fixedly connected between the positive pars contractilis 111 and the positive pen core shell 12 can be achieved in mouthful b, by by a fixation Buckle 4, which inserts in, can be achieved institute in a limiting slot a of the cathode pars contractilis 211 and opening b of the cathode pen core shell 22 State being fixedly connected between cathode pars contractilis 211 and the cathode pen core shell 22.If wanting to change the positive pen 1 or described The length of cathode pen 2 need to only remove fixed card buckle 4 corresponding with the positive pen 1 or the cathode pen 2, adjust the anode 111/ cathode pars contractilis 211 of pars contractilis stretches into the length of the positive 12/ cathode pen core shell 22 of pen core shell and passes through correspondence Fixed card buckle 4 fix, it is described anode pen 1 and the length of the cathode pen 2 may be the same or different.It should be noted that It is that, when adjusting the length of the positive pen 1 or the cathode pen 2, need to ensure the position of corresponding opening b and corresponding one The position of limiting slot a matches, in the present embodiment, the limit on the anode pars contractilis 111 and cathode pars contractilis 211 It is divided into 0.1cm-0.2cm between slot a.The fixed card buckle 4 is insulated plastic material, has certain elastic deformation and will not send out Raw plastic deformation.

The utility model is suitable for different shape and difference by telescopic positive pen 1 and telescopic cathode pen 2 The battery of size, it is highly practical, the positive pen 1 can be also fixed together with the cathode pen 2 by the fixing bolt 3 And the angle that expansible is different, improve flexibility and detection efficiency.In conclusion the utility model is designed reasonably, operation letter Just, material is saved, cost-effective, flexibility is good, and detection efficiency is high.

The utility model is not only in the description and the implementation described, therefore for the personnel of familiar field For other advantage and modification is easily implemented, therefore without departing substantially from universal defined by claim and equivalency range Spirit and scope in the case of, the utility model is not limited to specific details, representative equipment and shown here as with retouch The diagram example stated.

Claims (5)

1. a kind of cell voltage test structure, it is characterised in that：The cell voltage test structure include telescopic positive pen, Telescopic cathode pen, realizing the fixing bolt being rotatablely connected between the positive pen and the cathode pen and a pair of solid Fixed buckle；The anode pen includes positive pen core, and the anode pen core is including positive pars contractilis and by the positive pars contractilis Lower end, which extends downwardly, forms and is used for the positive nib portion in electrical contact with the anode of mesuring battary, and the anode pen further includes using In be inserted into the positive pars contractilis and positive pen core shell and across the top of positive pen core shell and the anode nib The positive wire that portion is electrically connected；The cathode pen includes cathode pen core, the cathode pen core include cathode pars contractilis and by The pars contractilis lower end, which extends downwardly, to be formed and is used for the cathode nib portion in electrical contact with the cathode of mesuring battary；The cathode Pen further include cathode pen core shell for being inserted into the cathode pars contractilis and across the top of cathode pen core shell with it is described The cathode conductor that cathode nib portion is electrically connected；It is uniform that multiple intervals are offered on the anode pars contractilis and cathode pars contractilis And limiting slot annular in shape, the bottom end of the anode pen core shell and the cathode pen core shell open up that there are one annular in shape Opening, by the way that a fixed card buckle to be inserted in a limiting slot of the positive pars contractilis and opening for the positive pen core shell Being fixedly connected between the positive pars contractilis and the positive pen core shell can be achieved in mouthful, by inserting a fixed card buckle In in a limiting slot of the cathode pars contractilis and the opening of the cathode pen core shell can be achieved the cathode pars contractilis with Being fixedly connected between the cathode pen core shell.

2. cell voltage test structure as described in claim 1, it is characterised in that：The anode pen core shell and described negative Pole pen core shell is respectively equipped with the first fixed ring and the second fixed ring close to the position on top, first fixed ring with it is described Second fixed ring shape size is corresponding with the fixing bolt, and first fixed ring passes through described with second fixed ring Fixing bolt realizes rotation connection.

3. cell voltage test structure as claimed in claim 2, it is characterised in that：Between the anode pen and the cathode pen Angle be 0 ° -180 ° between.

4. cell voltage test structure as described in claim 1, it is characterised in that：The anode pars contractilis and cathode are flexible It is divided into 0.1cm-0.2cm between limiting slot in portion.

5. cell voltage test structure as described in claim 1, it is characterised in that：The positive wire is in positive pen core shell The adjustable in length of interior length and the cathode conductor in the cathode pen core shell.