CN217212800U - Fixture tool for detecting battery module and detection system - Google Patents

Abstract

The utility model provides an anchor clamps frock and detecting system for battery module detects, anchor clamps frock is including the pen-shape metre limit structure who is located bottom plate one end, be located the drive structure of the bottom plate other end, be located the module limit structure between pen-shape metre limit structure and the drive structure, the drive structure is used for promoting by the spacing battery module that awaits measuring of module limit structure, make the anodal pen-shape metre contact of centre gripping on the anodal of the battery module that awaits measuring and the pen-shape metre limit structure, make the negative pole of the battery module that awaits measuring and the negative pole pen-shape metre contact of centre gripping on the pen-shape metre limit structure. The detection system comprises a tool clamp, a driving structure control switch connected with the driving structure, and a controller in communication connection with the internal resistance meter. The utility model relates to a fixture tool and a detection system which can ensure that the testing position, force and the like of the battery module to be tested in the same batch are kept consistent, the result is consistent, and the rework rate is reduced; the problems of management and control batch confusion, data loss, difficult query and the like caused by manual recording can be avoided.

Description

Fixture tool for detecting battery module and detection system

Technical Field

The utility model relates to a lithium cell check out test set technical field specifically is an anchor clamps frock and detecting system for battery module detects.

Background

With the rapid development of new energy, lithium batteries are widely applied to various industries, and the management and control of lithium batteries in the production process are very important, so that the voltage and the internal resistance of a battery cell or even a battery module need to be detected to sort out qualified battery cells or modules.

At present, most of the conventional handheld internal resistance meters are used for detecting, and in the operation process, a positive/negative electrode meter of the internal resistance meter is directly contacted with a positive electrode/negative electrode of a battery cell/module to obtain voltage and internal resistance, so that the following problems exist in the test process: the handheld internal resistance instrument is contacted with the battery cell/module, and the test point position is uncertain, so that the test value jumps back and forth; during testing, the contact force degrees of the handheld internal resistance instrument and the battery core/module are inconsistent, so that the abnormal condition of the tested numerical value is caused, and the problem of inaccurate tested numerical value is easily caused.

Meanwhile, in the process of testing the battery cell/module, the conventional handheld internal resistance meter needs to record a test value, so that the problems of error record, data loss, difficulty in later-stage query, batch confusion and the like easily occur.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the voltage and the resistance testing process of electricity core module in, the contact position of hand-held type internal resistance appearance and electricity core module, contact dynamics change greatly, cause test value constantly to beat, detect the inaccurate problem of numerical value, designed an anchor clamps frock for battery module detects. Meanwhile, in order to solve the problems that test data need to be recorded manually in the test process, data loss, disorder, difficult query and the like are easily caused, a detection system for detecting the battery module is designed.

The technical scheme for realizing the purpose of the utility model is as follows:

in a first aspect, the utility model provides an anchor clamps frock for battery module detects, including the pen-shape metre limit structure who is located bottom plate one end, be located the drive structure of the bottom plate other end, be located the module limit structure between pen-shape metre limit structure and the drive structure, the drive structure is used for promoting by the spacing battery module that awaits measuring of module limit structure, makes the anodal pen-shape metre contact of centre gripping on the anodal of the battery module that awaits measuring and the pen-shape metre limit structure, makes the negative pole of the battery module that awaits measuring and the negative pole pen-shape metre contact of centre gripping on pen-shape metre limit structure.

The utility model discloses a fixture tool, on the one hand, carry on the spacing to the battery module to be measured through the module limit structure to avoid the drive structure to promote the in-process of the battery module to be measured, the battery module to be measured takes place the skew thereby causes the problem that the positive pole and the negative pole of the battery module to be measured can not accurately contact with the positive pole pen-shape metre and the negative pole pen-shape metre of internal resistance appearance; on the other hand, the positions of the anode and the cathode of the internal resistance meter are adjusted and fixed through the meter pen limiting structure, so that the internal resistance meter can be suitable for detection of battery modules to be detected with different specifications. Due to the arrangement of the clamp tool, the accuracy of the test value of the battery module to be tested can be ensured, the consistency of a single internal resistance instrument on the test results of the same batch of battery modules to be tested can be improved, the rework rate caused by inaccurate test can be reduced, and the material waste can be reduced.

The utility model discloses in an embodiment of module limit structure, above-mentioned module limit structure is equipped with module stop block subassembly including setting up 2 first tracks that are parallel to each other on the bottom plate on the first track, and module stop block subassembly is used for spacing to the battery module that awaits measuring.

Furthermore, the module limiting block assembly comprises 2 module limiting blocks which are parallel to each other, wherein the 2 module limiting blocks are used for limiting the battery module to be tested, and gaps are formed between the 2 module limiting blocks and the limited battery module to be tested.

Preferably, the surface of the module limiting block is a smooth surface.

Preferably, the height of the module limiting block is 0.5-1.5 times of the height of the battery module to be tested, and the width of the module limiting block is 0.5-1.5 times of the width of the battery module to be tested.

The utility model discloses in one preferred embodiment of module limit structure and pen-shape metre limit structure, there is 1 group of module stopper subassemblies at least on the above-mentioned first track, and has 1 anodal pen-shape metre of group and negative pole pen-shape metre on the pen-shape metre limit structure at least.

The utility model discloses in an embodiment of pen-shape metre limit structure, above-mentioned pen-shape metre limit structure includes the fixed plate of vertical fixation on the bottom plate, is equipped with 2 second tracks that are parallel to each other on the fixed plate, and installs positive pen-shape metre stopper, negative pole pen-shape metre stopper on the second track, and positive pen-shape metre stopper is used for the centre gripping and adjusts the position of positive pen-shape metre, and negative pole pen-shape metre stopper is used for the centre gripping and adjusts the position of negative pole pen-shape metre.

Further, above-mentioned positive marker stopper and negative pole marker stopper all include the marker stopper down, and the both ends of marker stopper down are through bolt activity fixation on the second track, and the upper portion of marker stopper down can be dismantled and be equipped with the marker stopper, and go up and mill the clamping part that is equipped with positive marker or negative pole marker between marker stopper down and the marker stopper down.

Preferably, the one side of keeping away from module limit structure on the above-mentioned fixed plate is equipped with the supporting shoe, and the supporting shoe is used for carrying out auxiliary stay to the fixed plate.

The second aspect, the utility model also provides a detecting system for battery module detects, including the anchor clamps frock of the first aspect, still include with drive structure connection's drive structure control switch, with the controller that internal resistance appearance communication is connected, the controller is used for showing and takes notes the operating condition of the detection data of the battery module that awaits measuring, demonstration internal resistance appearance.

The utility model discloses a design detecting system, on the one hand carry on spacingly through frock clamp to the battery module that awaits measuring, on the other hand adjust through the marker pen limit structure, positive pole marker pen and the accurate contact of negative pole marker pen and the positive pole of the battery module that awaits measuring of internal resistance appearance when guaranteeing to detect for make battery module that awaits measuring test position, dynamics etc. all keep unanimous, guarantee the accuracy that detects; on the other hand, through the setting of the controller, the conditions of batch, detection data and qualification of the battery module to be tested can be displayed and recorded in time, and the problems of management and control batch confusion, data loss, difficult query and the like caused by manual recording are avoided.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a module limit structure of anchor clamps frock, can carry on spacingly to the battery module that awaits measuring, in-process with avoiding drive structure to promote the battery module that awaits measuring, thereby the battery module that awaits measuring takes place the skew and causes the anodal pen-shape metre of the battery module that awaits measuring and negative pole and the problem that the negative pole pen-shape metre can not accurate contact, promote the anodal pen-shape metre and the negative pole pen-shape metre contact of battery module and the internal resistance appearance that await measuring through driving qigong simultaneously, guarantee same batch of battery module that awaits measuring test position, dynamics etc. all keep unanimous, guarantee the uniformity of same batch of battery module testing result that awaits measuring, reduce the test inaccurate and the rework rate that leads to, it is extravagant to reduce the material.

2. The utility model discloses a pen-shape metre limit structure of anchor clamps frock can adjust and fix the position of the positive pole of internal resistance appearance and negative pole, makes its detection that can be suitable for the battery module that awaits measuring of different specifications. Due to the arrangement of the clamp tool, the accuracy of the test value of the battery module to be tested can be ensured, and a single internal resistance instrument pair can be improved.

3. The design of the detection system is in communication connection with the internal resistance instrument through the controller, so that the batch, detection data and qualification conditions of the battery module to be detected can be timely displayed and recorded, and the problems of management and control batch confusion, data loss, difficult query and the like caused by manual recording are avoided.

Drawings

In order to more clearly illustrate the technical solution of the embodiment of the present invention, the drawings used in the description of the embodiment will be briefly introduced below. It should be apparent that the drawings in the following description are only for the purpose of illustrating the embodiments of the present invention or the technical solutions in the prior art more clearly, and that other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a perspective view of a jig tool for battery module inspection in example 1;

fig. 2 is a schematic view of a gauge pen limiting structure of the fixture tool in embodiment 1;

fig. 3 is a schematic view of a detection system for battery module detection in embodiment 2;

wherein, 1, the bottom plate; 2. a meter pen limiting structure; 3. a drive structure; 4. a module limiting structure; 5. a battery module to be tested; 6. a first track; 7. a module stopper; 8. a fixing plate; 9. a second track; 10. a positive meter pen limiting block; 11. a negative electrode meter pen limiting block; 12. the lower pen limit block; 13. a pen feeding limiting block; 14. a clamping portion; 15. a support block; 100. clamping the tool; 200. a drive structure control switch; 300. an internal resistance meter; 400. and a controller.

Detailed Description

The present invention will be further described with reference to specific embodiments, and advantages and features of the present invention will become more apparent as the description proceeds. These examples are merely illustrative and do not limit the scope of the invention in any way. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention, and that such changes and modifications are intended to be included within the scope of the invention.

In the description of the present embodiments, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to a number of indicated technical features. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.

Example 1:

this embodiment provides a fixture attachment, it is spacing to carry out the centre gripping to the battery module that awaits measuring when being used for battery module to detect, carry out centre gripping and adjusting position to the anodal pen-shape metre and the negative pole pen-shape metre of internal resistance appearance, please refer to fig. 1, fixture attachment is including the pen-shape metre limit structure 2 that is located 1 one end of bottom plate, the drive structure 3 that is located the 1 other end of bottom plate, be located pen-shape metre limit structure 2 and drive structure 3 between module limit structure 4, drive structure 3 is used for promoting by the spacing battery module 5 that awaits measuring of module limit structure 4, make the anodal pen-shape metre contact of centre gripping on the positive pole of the battery module 5 that awaits measuring and the pen-shape metre limit structure 2, make the negative pole of the battery module 5 that awaits measuring and the negative pole pen-shape metre contact of centre gripping on the pen-shape metre limit structure 2.

In this embodiment, as shown in fig. 1, in an embodiment of the module limiting structure 4, the module limiting structure 4 includes 2 mutually parallel first rails 6 arranged on the bottom plate 1, a module limiting block assembly is arranged on the first rails 6, and the module limiting block assembly is used for limiting the battery module 5 to be tested.

Further, as shown in fig. 1, the module limiting block assembly includes 2 module limiting blocks 7 parallel to each other, and the 2 module limiting blocks 7 are used for limiting the battery module 5 to be tested. In order to avoid shaking back and forth in the process that the battery module 5 to be tested is pushed by the driving structure 3, the battery module 5 to be tested is also prevented from contacting with the walls of the module limiting blocks 7 to influence the movement or surface abrasion of the battery module 5 to be tested, so that gaps are formed between the 2 module limiting blocks 7 and the limited battery module 5 to be tested, and in the embodiment, the width of the preferred selection gap is 0.2-1 cm.

Preferably, in order to avoid surface damage caused by contact between the battery module 5 to be tested and the module limiting block 7, the surface of the module limiting block 7 is a smooth surface.

Preferably, the driving structure 3 pushes the battery module 5 to be tested to contact the gauge pen limiting structure 2, and the battery module 5 to be tested needs to be taken out from the module limiting structure 4 after detection is finished, so that the height of the module limiting block 7 is 0.5-1.5 times of the height of the battery module 5 to be tested, and the width of the module limiting block is 0.5-1.5 times of the width of the battery module to be tested.

In order to detect a plurality of battery modules 5 to be detected simultaneously, in a preferred embodiment of the module limiting structure and the stylus limiting structure, the first rail 6 has at least 1 set of module limiting block components, and the stylus limiting structure 2 has at least 1 set of positive stylus and negative stylus.

In this embodiment, as shown in fig. 1 and fig. 2, in an embodiment of above-mentioned pen-shape metre limit structure 2, pen-shape metre limit structure 2 includes fixed plate 8 of vertical fixation on bottom plate 1, is equipped with 2 second tracks 9 that are parallel to each other on the fixed plate 8, and installs anodal pen-shape metre stopper 10 on the second track 9, negative pole pen-shape metre stopper 11, and anodal pen-shape metre stopper 10 is used for the position of centre gripping and adjustment anodal pen-shape metre, and negative pole pen-shape metre stopper 11 is used for the position of centre gripping and adjustment negative pole pen-shape metre.

Specifically, as shown in fig. 2, the positive electrode meter pen stopper 10 and the negative electrode meter pen stopper 11 each include a lower meter pen stopper 12, two ends of the lower meter pen stopper 12 are movably fixed on the second rail 9 through bolts, the upper portion of the lower meter pen stopper 12 is detachably provided with an upper meter pen stopper 13, and a clamping portion 14 of the positive electrode meter pen or the negative electrode meter pen is milled between the upper meter pen stopper 13 and the lower meter pen stopper 12, in this embodiment, the shape of the clamping portion 14 is determined according to the shapes of the positive electrode meter pen and the negative electrode meter pen, for example, when the positive electrode meter pen and the negative electrode meter pen are cylindrical, the clamping portion 14 is in a circular hole shape.

Preferably, because drive structure 3 promotes the battery module 5 that awaits measuring and is close to the fixed plate 8 direction to with positive pole pen-shape metre and the contact of negative pole pen-shape metre fixed on pen-shape metre limit structure 2, consequently fixed plate 8 can bear certain thrust when the contact, consequently avoids fixed plate 8 to appear the condition that the contact (or striking) is turned over the damage, as shown in fig. 1, the one side of keeping away from module limit structure 4 on fixed plate 8 is equipped with supporting shoe 15, and supporting shoe 15 is used for carrying out the auxiliary stay to fixed plate 8.

In the test process of the battery module 5 to be tested, the operation process of the clamp tool is as follows:

firstly, the battery module 5 to be tested is placed between the 2 module limiting blocks 7, the positions of the 2 module limiting blocks 7 are adjusted to enable the module limiting blocks 7 to be close to the battery module 5 to be tested to limit the battery module 5 to be tested, and the module limiting blocks 7 are fixed on the first track 6. It should be noted that: in the adjustment process, a gap of 0.5cm is formed between the module limiting block 7 and the battery module 5 to be measured;

secondly, adjusting and fixing the positions of an anode meter pen limiting block 10 and a cathode meter pen limiting block 11 on the meter pen limiting structure 2 according to the positions of the anode and the cathode on the battery module 5 to be tested;

then, the driving structure 3 is opened, the driving structure 3 pushes the battery module 5 to be tested to move towards the direction of the marker pen limiting structure 2, the anode of the battery module 5 to be tested is enabled to be in contact with the anode marker pen on the anode marker pen limiting block 10, and the cathode of the battery module 5 to be tested is enabled to be in contact with the cathode marker pen on the cathode marker pen limiting block 11;

thirdly, electrifying the internal resistance meter, and detecting the voltage and the resistance of the battery module 5 to be detected;

and finally, after the test is finished, closing the internal resistance meter, enabling the driving structure 3 to recover to the initial position, moving the positions of the 2 module limiting blocks 7 to eliminate the limitation on the battery module 5 to be tested, and taking out the battery module 5 to be tested.

In the fixture tool of the embodiment, on one hand, the battery module 5 to be tested is limited by the module limiting structure 4, so that the problem that the positive electrode and the negative electrode of the battery module 5 to be tested cannot be accurately contacted with the positive electrode stylus and the negative electrode stylus of the internal resistance meter due to the deviation of the battery module 5 to be tested in the process that the driving structure 3 pushes the battery module 5 to be tested is avoided; on the other hand, the positions of the anode and the cathode of the internal resistance meter are adjusted and fixed through the meter pen limiting structure 2, so that the internal resistance meter can be suitable for detection of battery modules 5 to be detected with different specifications. The setting of anchor clamps frock can ensure the accurate nature of the battery module 5 test value that awaits measuring, also can improve the uniformity of single internal resistance appearance to the same batch of battery module 5 testing results that awaits measuring, reduce the test inaccurate and the rework rate that leads to, reduce the material extravagant.

Example 2:

the embodiment provides a detection system for detecting a battery module, as shown in fig. 3, including the fixture apparatus 100 of embodiment 1, further including a driving structure control switch 200 connected to the driving structure 3, and a controller 400 in communication connection with the internal resistance meter 300, where the controller 400 is configured to display and record detection data of the battery module 5 to be detected, and display a working state of the internal resistance meter.

In the embodiment, by designing the detection system, on one hand, the battery module to be detected 5 is limited by the tool fixture 100, and on the other hand, the positive electrode stylus and the negative electrode stylus of the internal resistance meter 300 are adjusted by the stylus limiting structure 2, so that the positive electrode stylus and the negative electrode stylus of the battery module to be detected 2 are accurately contacted during detection, the test position, the force and the like of the battery module to be detected 2 are kept consistent, and the detection accuracy is ensured; on the other hand, through the setting of the controller 400, the conditions of the batch, the detection data and the qualification of the battery module 5 to be tested can be displayed and recorded in time, and the problems of management and control batch confusion, data loss, difficult query and the like caused by manual recording are avoided.

The above description is only for the preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (10)

1. The utility model provides a fixture attachment for battery module detects which characterized in that: including the pen-shape metre limit structure that is located bottom plate one end, be located the drive structure of the bottom plate other end, be located the module limit structure between pen-shape metre limit structure and the drive structure, the drive structure be used for promoting by the spacing battery module that awaits measuring of module limit structure makes the anodal of the battery module that awaits measuring with the anodal pen-shape metre contact of centre gripping on the pen-shape metre limit structure makes the negative pole of the battery module that awaits measuring with the negative pole pen-shape metre contact of centre gripping on the pen-shape metre limit structure.

2. The clamp tooling of claim 1, wherein: the module limiting structure comprises 2 mutually parallel first tracks arranged on the bottom plate, a module limiting block assembly is arranged on each first track, and the module limiting block assembly is used for limiting the battery module to be tested.

3. The clamp tooling of claim 2, wherein: the module limiting block assembly comprises 2 module limiting blocks which are parallel to each other, 2 module limiting blocks are used for limiting the battery module to be tested, and 2 gaps are formed between the module limiting blocks and the limited battery module to be tested.

4. The clamp tooling of claim 3, wherein: the surface of the module limiting block is a smooth surface.

5. The clamp tooling of claim 3, wherein: the height of the module limiting block is 0.5-1.5 times of the height of the battery module to be tested, and the width of the module limiting block is 0.5-1.5 times of the width of the battery module to be tested.

6. A fixture attachment according to any one of claims 2-5, characterized in that: the first track is provided with at least 1 group of module limit block assemblies, and the gauge pen limit structure is provided with at least 1 group of positive gauge pen and negative gauge pen.

7. The clamp tooling of claim 1, wherein: the marker limit structure includes the vertical fixation fixed plate on the bottom plate, be equipped with 2 second tracks that are parallel to each other on the fixed plate, just install anodal marker stopper, negative pole marker stopper on the second track, anodal marker stopper is used for the centre gripping and adjusts the position of anodal marker, negative pole marker stopper is used for the centre gripping and adjusts the position of negative pole marker.

8. The clamp tooling of claim 7, wherein: anodal pen-shape metre stopper with negative pole pen-shape metre stopper all includes pen-shape metre stopper down, the both ends of pen-shape metre stopper are fixed through the bolt activity down on the second track, the upper portion of pen-shape metre stopper can be dismantled and be equipped with the pen-shape metre stopper down, just the pen-shape metre stopper with be equipped with the clamping part of anodal pen-shape metre or negative pole pen-shape metre down between the pen-shape metre stopper.

9. The clamp tooling of claim 7, wherein: and a supporting block is arranged on one surface of the fixed plate, which is far away from the module limiting structure, and the supporting block is used for carrying out auxiliary support on the fixed plate.

10. A detection system for battery module detection, characterized by: the fixture tool comprises the fixture tool of any one of claims 1 to 9, and further comprises a driving structure control switch connected with the driving structure, and a controller in communication connection with the internal resistance meter, wherein the controller is used for displaying and recording detection data of a battery module to be detected and displaying the working state of the internal resistance meter.

Images