CN215813238U - Insulation testing device of battery cell module - Google Patents

Abstract

The utility model discloses an insulation testing device of a cell module, which comprises a rack, a jacking unit, a testing unit and a driving unit, wherein the rack is provided with a tester, the jacking unit is arranged on the rack and is electrically connected with the tester, the jacking unit is used for supporting the cell module, a conductive buffer part is arranged on the contact surface of the jacking unit and the cell module, the testing unit is arranged on the rack and is electrically connected with the tester, the testing unit is used for testing the cell module, the driving unit is arranged on the rack, and the driving unit is used for driving the testing unit to move along the X-axis direction, the Y-axis direction and the Z-axis direction. The insulation testing device of the battery cell module can avoid the phenomenon of scratching the blue film during the insulation and voltage resistance test, and ensures the use safety of the battery cell module.

Description

Insulation testing device of battery cell module

Technical Field

The utility model relates to the technical field of battery production testing, in particular to an insulation testing device of a battery cell module.

Background

At present, when the dielectric withstand voltage test of the battery cell module is detected, a metal plate is generally used for directly contacting the bottom of the battery cell to test the dielectric withstand voltage. Because the metal sheet directly contacts with the bottom of the battery cell, the blue membrane of the battery cell is easily scratched, and therefore the safety of the module can be affected.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an insulation testing device of a battery cell module, which can avoid the phenomenon of scratching a blue film during the insulation and voltage resistance test and ensure the use safety of the battery cell module.

In order to achieve the technical effects, the technical scheme of the utility model is as follows:

the utility model discloses an insulation testing device of a battery cell module, which comprises: the tester comprises a rack, wherein a tester is arranged on the rack; the jacking unit is arranged on the rack and electrically connected with the tester, the jacking unit is used for supporting the battery cell module, and a conductive buffer piece is arranged on the contact surface of the jacking unit and the battery cell module; the test unit is arranged on the rack and electrically connected with the tester, and is used for testing the battery cell module; and the driving unit is arranged on the rack and is used for driving the test unit to move along the X-axis direction, the Y-axis direction and the Z-axis direction.

In some embodiments, the jacking unit comprises: the first insulating plate is connected with the rack; the contact bottom plates are distributed at intervals with the first insulating plate, the contact bottom plates are multiple, the contact bottom plates are arranged at intervals along the length direction of the first insulating plate, the conductive buffer parts are arranged on the contact bottom plates, and the contact bottom plates are electrically connected with the tester; the elastic component, the elastic component is a plurality of, and is a plurality of the one end of elastic component is connected on first insulating plate, and the other end is connected one on the contact bottom plate.

In some specific embodiments, the number of the guide sleeves is multiple, and the multiple guide sleeves are inserted on the first insulating plate; the plurality of guide columns are arranged in one-to-one correspondence with the plurality of guide sleeves, one end of each guide column is inserted into the corresponding guide sleeve and penetrates out of the corresponding guide sleeve to be electrically connected with the tester, and the other end of each guide column is connected to one contact bottom plate; wherein: the elastic piece is sleeved on the guide post, one end of the elastic piece is connected to the guide sleeve, and the other end of the elastic piece is connected to one contact bottom plate.

In some specific embodiments, both ends of the contact base plate are provided with elastic members.

In some specific embodiments, the jacking unit further comprises: the section bar supporting piece is connected to the rack; a second insulating plate disposed between the frame and the profile support.

In some embodiments, the test unit includes a driving source, an output end of the driving source is provided with a mounting insulation board, the mounting insulation board is provided with a test probe, one end of the test probe is electrically connected to the tester, and the other end of the test probe can be matched with the battery cell module.

In some specific embodiments, the number of the test probes is at least three, one of the test probes is connected to the conduction line of the tester, and at least two of the test probes are connected to the test line of the tester.

In some embodiments, the driving unit includes: the driving base is arranged on the rack; the Z-axis driving assembly is matched with the test unit and can drive the test unit to move along the Z-axis direction; the Y-axis driving component is matched with the Z-axis driving component and can drive the Z-axis driving component to move along the Y-axis direction; the X-axis driving assembly is arranged on the driving base and matched with the Y-axis driving assembly, and the X-axis driving assembly can drive the Y-axis driving assembly to move along the X-axis direction.

In some embodiments, the insulation testing device of the battery cell module further includes a display unit, the display unit is disposed on the rack and connected to the tester, and the display unit is configured to display a test result.

In some embodiments, the number of the driving units is two, the two driving units are respectively located at two sides of the jacking unit, and two testing units are arranged on each driving unit.

The insulation testing device of the battery cell module has the beneficial effects that: because be equipped with electrically conductive bolster on the contact surface of jacking unit and electric core module, electrically conductive bolster can take place deformation when receiving electric core module extrusion to guarantee the stable contact of jacking unit and electric core module bottom, avoided because the high phenomenon that leads to certain electric core to leak to examine of a plurality of electric cores in the electric core module takes place, electrically conductive bolster can also protect the blue membrane of electric core module betterly, thereby avoid the blue damaged phenomenon of membrane of electric core module to take place.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

Fig. 1 is a schematic structural diagram of an insulation testing apparatus of a cell module according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a jacking unit of an insulation testing device of a cell module according to an embodiment of the present invention;

FIG. 3 is an exploded schematic view of the structure shown in FIG. 2;

fig. 4 is a schematic structural diagram of a driving unit of an insulation testing apparatus of a cell module according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a test unit of the insulation test apparatus for a cell module according to an embodiment of the present invention.

Reference numerals:

1. a frame; 2. a tester;

3. a jacking unit; 31. a conductive buffer member; 32. a first insulating plate; 33. a contact base plate; 34. an elastic member; 35. a guide sleeve; 36. a guide post; 37. a profile support; 38. a second insulating plate;

4. a test unit; 41. a drive source; 42. installing an insulating plate; 43. testing the probe;

5. a drive unit; 51. a drive base; 52. a Z-axis drive assembly; 53. a Y-axis drive assembly; 54. an X-axis drive assembly;

6. a display unit;

100. battery cell module.

Detailed Description

In order to make the technical problems solved, the technical solutions adopted and the technical effects achieved by the present invention clearer, the technical solutions of the present invention are further described below by way of specific embodiments with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.

Furthermore, features defined as "first" and "second" may explicitly or implicitly include one or more of the features for distinguishing between descriptive features, non-sequential, non-trivial and non-trivial. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The following describes a specific structure of an insulation test device of a cell module according to an embodiment of the present invention with reference to fig. 1 to 5.

The utility model discloses an insulation testing device of a battery cell module, as shown in fig. 1, the insulation testing device of the battery cell module of the embodiment comprises a rack 1, a jacking unit 3, a testing unit 4 and a driving unit 5, wherein the rack 1 is provided with the tester 2, the jacking unit 3 is arranged on the rack 1, the jacking unit 3 is electrically connected with the tester 2, the jacking unit 3 is used for supporting the battery cell module 100, a conductive buffer piece 31 is arranged on the contact surface of the jacking unit 3 and the battery cell module 100, the testing unit 4 is arranged on the rack 1 and is electrically connected with the tester 2, the testing unit 4 is used for testing the battery cell module 100, the driving unit 5 is arranged on the rack 1, and the driving unit 5 is used for driving the testing unit 4 to move along the X-axis direction, the Y-axis direction and the Z-axis direction.

It can be understood that, in the experimental process, the battery cell module 100 is placed on the conductive buffer member 31 of the jacking unit 3, the conductive buffer member 31 has three functions, the first function is a conductive function, and it is ensured that the battery cell module 100 can be conducted with a test power supply through the jacking unit 3, so that the insulation test can be stably performed; the second function is a laminating function, the conductive buffer member 31 has certain elasticity, and can deform when being extruded by the battery cell module 100, so that stable contact between the jacking unit 3 and the bottom of the battery cell module 100 is ensured, and the phenomenon that a certain battery cell is missed to be detected due to different heights of a plurality of battery cells in the battery cell module 100 is avoided; the third effect is the guard action, and the material of electrically conductive bolster 31 is comparatively soft, can protect the blue membrane of electric core module 100 better to avoid the damaged phenomenon of blue membrane of electric core module 100 to take place. In addition, the driving unit 5 can drive the testing unit 4 to move, and no matter the size of the battery cell module 100, the testing unit 4 can accurately stop supporting the battery cell module 100 for testing, so that the insulation testing device of the embodiment can be compatible with the battery cell modules 100 of various sizes and models.

In some embodiments, as shown in fig. 2 to 3, the jacking unit 3 includes a first insulating plate 32, a plurality of contact bottom plates 33 and elastic members 34, the first insulating plate 32 is connected to the rack 1, the contact bottom plates 33 are spaced apart from the first insulating plate 32, the plurality of contact bottom plates 33 are spaced apart along the length direction of the first insulating plate 32, the conductive buffers 31 are disposed on the contact bottom plates 33, the contact bottom plates 33 are electrically connected to the tester 2, the elastic members 34 are plural, one end of each elastic member 34 is connected to the first insulating plate 32, and the other end is connected to one of the contact bottom plates 33. It can be understood that the contact base plate 33 can play a role of stably supporting the cell module 100, and ensure that the cell module 100 is stably electrically connected with the test unit 4, thereby ensuring that the test is stably performed. The first insulating plate 32 can ensure that the contact bottom plate 33 is insulated from the rack 1, so that the phenomenon that the rack 1 is electrified in the test process is avoided, and the use safety of the insulation testing device of the embodiment is improved. Elastic component 34 can stretch out and draw back under electric core module 100's pressure for contact bottom plate 33 is good with the contact of electric core module 100 bottom, has avoided having the difference in height between electric core of electric core module 100, makes some electric cores probably and survey test panel contactless, thereby leads to the phenomenon emergence of lou examining.

It should be noted that, in the present embodiment, a material of the first insulating plate 32 may be any insulating material according to actual needs, and the material of the first insulating plate 32 is not limited herein. The elastic piece 34 can be selected from a spring or an elastic pad, and can be specifically selected according to actual requirements.

In some specific embodiments, as shown in fig. 3, the jacking unit 3 further includes a plurality of guide sleeves 35 and a plurality of guide pillars 36, the plurality of guide sleeves 35 are inserted into the first insulating plate 32, the plurality of guide pillars 36 are arranged in one-to-one correspondence with the plurality of guide sleeves 35, one end of each guide pillar 36 is inserted into the guide sleeve 35 and penetrates through the guide sleeve 35 to be electrically connected with the tester 2, the other end of each guide pillar 36 is connected to one contact base plate 33, the elastic member 34 is sleeved on the guide pillar 36, one end of the elastic member 34 is connected to the guide sleeve 35, and the other end of the elastic member 34 is connected to one contact base plate 33, it can be understood that the guide sleeves 35 can better protect the first insulating plate 32, and prevent the elastic member 34 from damaging the first insulating plate 32 when being compressed, while the guide pillars 36 can prevent the elastic member 34 from being bent when being compressed, and on the other hand, ensure that the contact base plate 33 can be stably connected with the tester 2, thereby ensuring that the test can be performed reliably.

In some embodiments, as shown in fig. 2, both ends of the contact base 33 are provided with elastic members 34. It can be understood that if only one elastic member 34 is disposed on the contact base plate 33, the cell module 100 is easily placed on the contact base plate 33 and swayed. In this embodiment, both ends of the contact bottom plate 33 are provided with the elastic members 34, so that the stability of the battery cell module 100 is ensured, and the insulation test can be stably performed.

In some specific embodiments, as shown in fig. 2-3, the jacking unit 3 further comprises a profile support 37 and a second insulating plate 38, the profile support 37 being connected to the frame 1, the second insulating plate 38 being provided between the frame 1 and the profile support 37. It can be understood that the profile support 37 can better ensure the stable support of the cell module 100 by the jacking unit 3

In some embodiments, as shown in fig. 5, the testing unit 4 includes a driving source 41, a mounting insulation plate 42 is disposed on an output end of the driving source 41, a testing probe 43 is disposed on the mounting insulation plate 42, one end of the testing probe 43 is electrically connected to the tester 2, and the other end of the testing probe can be matched with the battery cell module 100. It can be understood that, after the battery cell module 100 is placed on the jacking unit 3, the driving unit 5 drives the testing unit 4 to the position of the total positive output pole or the total negative output pole of the battery module, and the driving source 41 drives the mounting insulation plate 42 to move, so that the testing probe 43 is jacked to the position of the total positive output pole or the total negative output pole for testing. That is, in the actual measurement process, the driving unit 5 drives the testing unit 4 to the vicinity of the detection position, and then the driving source 41 drives the testing probe 43 to stop against the battery cell module 100. Compare in the technical scheme that test probe 43 that drive unit 5 directly driven test unit 4 stopped to support on electric core module 100, the mode of accurate positioning after pre-positioning earlier of this embodiment can ensure test probe 43 on the one hand and contact with electric core module 100 steadily, and on the other hand has avoided test probe 43 to strike the phenomenon emergence of other spare parts.

It should be added that the driving source 41 may be a linear driving structure such as an air cylinder, an electric push rod, etc. according to actual needs, and the specific type of the driving source 41 is not limited herein.

In some embodiments, there are at least three test probes 43, one test probe 43 connected to a conductive line of tester 2, and at least two test probes 43 connected to a test line of tester 2. Use two test probes 43 to be connected with tester 2, that is to say at the actual testing in-process, have two test probes 43 and battery module contact, can increase like this and the area of contact of electric core module 100, guarantee that the contact is good.

In some embodiments, as shown in fig. 1 and 4, the driving unit 5 includes a driving base 51, a Z-axis driving assembly 52, a Y-axis driving assembly 53, and an X-axis driving assembly 54, the driving base 51 is disposed on the frame 1, the Z-axis driving assembly 52 is engaged with the testing unit 4, the Z-axis driving assembly 52 is capable of driving the testing unit 4 to move along the Z-axis direction, the Y-axis driving assembly 53 is engaged with the Z-axis driving assembly 52, the Y-axis driving assembly 53 is capable of driving the Z-axis driving assembly 52 to move along the Y-axis direction, the X-axis driving assembly 54 is disposed on the driving base 51 and engaged with the Y-axis driving assembly 53, and the X-axis driving assembly 54 is capable of driving the Y-axis driving assembly 53 to move along the X-axis direction. Thus, the movement of the test unit 4 in the Z-axis direction, the Y-axis direction, and the X-axis direction can be very conveniently driven. It should be noted that the Z-axis driving assembly 52, the Y-axis driving assembly 53, and the X-axis driving assembly 54 are structures in which driving motors are matched with lead screw nuts, and may also be structures of air cylinders, that is, the Z-axis driving assembly 52, the Y-axis driving assembly 53, and the X-axis driving assembly 54 may be linear driving structures selected according to actual needs.

Of course, it should be additionally noted that, in other embodiments of the present invention, the driving unit 5 may directly select the robot arm to complete the movement in three directions, and is not limited to the structure of the present embodiment.

In some embodiments, as shown in fig. 1, the insulation testing apparatus for a battery cell module further includes a display unit 6, the display unit 6 is disposed on the rack 1 and connected to the tester 2, and the display unit 6 is configured to display a testing result. From this, the user can clearly observe unqualified electric core module 100 from display element 6 to convenience of customers rejects unqualified electric core module 100.

In some embodiments, there are two driving units 5, two driving units 5 are respectively located at two sides of the jacking unit 3, and two testing units 4 are arranged on each driving unit 5. It can be understood that, because the total positive output pole and the total negative output pole of the battery cell module 100 of different models are distributed differently, the test unit 4 can be arranged at four positions, up, down, left and right, and the test unit 4 can meet the test requirements of the battery cell modules 100 of various models, thereby improving the compatibility of the insulation test device of the embodiment.

Example (b):

a specific structure of an insulation test apparatus for a cell module according to an embodiment of the present invention is described below with reference to fig. 1 to 5.

As shown in fig. 1-5, the insulation testing device of electric core module of this embodiment includes frame 1, jacking unit 3, test unit 4 and drive unit 5, be equipped with tester 2 in the frame 1, jacking unit 3 is established in frame 1, jacking unit 3 is used for supporting electric core module 100, test unit 4 is two, two test unit 4 all establish in frame 1 and are located jacking unit 3's both ends, test unit 4 is connected with tester 2 electricity, drive unit 5 is two, every drive unit 5 is used for driving a test unit 4 along the Z axle direction, the motion of Y axle direction and X axle direction. The tester 2 is a four-wire system insulation tester, two of which are used as test wires and the other two are used as conducting wires for verifying conduction.

As shown in fig. 2 to 3, the jacking unit 3 includes a first insulating plate 32, a contact bottom plate 33, an elastic member 34, a guide bush 35, a guide post 36, a profile support 37, and a second insulating plate 38. The number of the second insulating plates 38 is three, and three second insulating plates 38 are provided on the rack 1 at intervals. The profile supporting member 37 is disposed on the second insulating plate 38, the first insulating plate 32 is disposed on the profile supporting member 37, the contact bottom plates 33 are spaced apart from the first insulating plate 32, and the contact bottom plates 33 are twelve spaced apart along the length of the first insulating plate 32. The guide sleeves 35 are two sets of guide sleeves 35 arranged at intervals, the number of the guide sleeves 35 in each set is twelve, the twelve guide sleeves 35 are arranged at intervals along the length direction of the first insulating plate 32, and the guide sleeves 35 are arranged on the first insulating plate 32 in a penetrating mode. Twenty-four guide posts 36 are provided, and one end of each guide post 36 is inserted into the guide sleeve 35, and the other end is connected to a contact base plate 33. All the guide posts 36 in one set of guide sleeves 35 are connected with the test wires of the tester 2, and all the guide posts 36 in the other set of guide sleeves 35 are correspondingly connected with the twelve contact bottom plates 33 one by one. The number of the elastic elements 34 is twenty-four, one end of each elastic element 34 is abutted against the guide sleeve 35, the other end of each elastic element is abutted against one contact bottom plate 33, and the conductive buffer piece 31 is arranged on the contact bottom plate 33.

As shown in fig. 5, the testing unit 4 includes a cylinder, an installation insulating plate 42 is disposed on an output end of a piston rod of the cylinder, a testing probe 43 is disposed on the installation insulating plate 42, one end of the testing probe 43 is electrically connected to the tester 2, and the other end of the testing probe can be matched with the battery cell module 100. The number of the test probes 43 is three, one of the test probes 43 is connected to a conduction line of the tester 2, and two of the test probes 43 are connected to a test line of the tester 2.

As shown in fig. 4, the driving unit 5 includes a driving base 51, a Z-axis driving assembly 52, a Y-axis driving assembly 53 and an X-axis driving assembly 54, the driving base 51 is disposed on the frame 1, the Z-axis driving assembly 52 is engaged with the testing unit 4, the Z-axis driving assembly 52 can drive the testing unit 4 to move along the Z-axis direction, the Y-axis driving assembly 53 is engaged with the Z-axis driving assembly 52, the Y-axis driving assembly 53 can drive the Z-axis driving assembly 52 to move along the Y-axis direction, the X-axis driving assembly 54 is disposed on the driving base 51 and engaged with the Y-axis driving assembly 53, and the X-axis driving assembly 54 can drive the Y-axis driving assembly 53 to move along the X-axis direction.

The working flow of the insulation testing device of the battery cell module in the embodiment is as follows: the full automation of insulation test device of this embodiment is furnished with the PLC procedure, and on the robot snatched electric core module 100 from the process of the last way and put jacking unit 3, under electric core module 100 dead weight effect, jacking unit 3 can be according to electric core module 100's difference in height adjustment contact bottom plate 33 position, and the bottom contact of guaranteeing contact bottom plate 33 and electric core module 100 is good. PLC calls out the set program, and drive unit 5 moves the total positive output pole position of electric core module 100, and the cylinder releases, and test probe 43 pushes up the total positive output pole of electric core module 100. The tester 2 starts to work, firstly, whether the test system is conducted or not is detected, and if the conduction is abnormal, the equipment gives an alarm; if the conduction is normal, the test is started. After the test is finished, the PLC compares the test result with the set value, the test value is qualified in the qualified range, and the equipment gives an alarm if the test value is not in the qualified range. The drive unit 5 is then moved to the overall negative output stage position and the test steps described above are repeated. If the total positive and total negative are tested to be qualified, the final result on the display unit 6 is displayed to be qualified, and the battery cell module 100 normally flows into the next procedure. If one or more of the two test results are not qualified, the final result shows that the two test results are not qualified, and the battery cell module 100 is placed in the isolation area.

The insulation testing device of the battery cell module of the embodiment has the following advantages:

firstly, the method comprises the following steps: the contact bottom plate 33 on the jacking unit 3, which is in contact with the battery cell module 100, adopts a floating design, so that the contact bottom plate 33 is ensured to be in good contact with the bottom of the battery cell module 100;

secondly, the method comprises the following steps: the conductive buffer member 31 is attached to the contact bottom plate 33, so that the damage of a blue film of the battery cell module 100 is avoided, and the use safety of the battery cell module 100 is ensured;

thirdly, the method comprises the following steps: the battery cell module 100 is carried, and the testing process is fully automated, so that human intervention is not needed, and the detection efficiency is high;

fourthly: the test unit 4 can move along the X-axis direction, the Y-axis direction and the Z-axis direction under the driving of the driving unit 5, so that the battery cell module is compatible with battery cell modules 100 of different models, and the application range is wide;

fifth, the method comprises the following steps: the tester 2 adopts a four-wire system, wherein two wires are used for testing conduction, and normal testing is started after the conduction testing is normal, so that the testing misjudgment is avoided;

sixthly; jacking unit 3 adopts insulating material to keep apart with frame 1, guarantees the authenticity of test.

In the description herein, references to the description of "some embodiments," "other embodiments," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description of the present invention, which should be interpreted as a limitation.

Claims (10)

1. The utility model provides an insulation test device of electricity core module which characterized in that includes:

the tester comprises a rack (1), wherein a tester (2) is arranged on the rack (1);

the battery cell module testing device comprises a rack (1), a jacking unit (3), a testing instrument (2), a battery cell module (100), a conductive buffer piece (31), a lifting unit (3) and a testing unit (3), wherein the jacking unit (3) is arranged on the rack (1), the jacking unit (3) is electrically connected with the testing instrument (2), the jacking unit (3) is used for supporting the battery cell module (100), and the contact surface of the jacking unit (3) and the battery cell module (100) is provided with the conductive buffer piece (31);

the testing unit (4) is arranged on the rack (1) and is electrically connected with the tester (2), and the testing unit (4) is used for testing the battery cell module (100);

the driving unit (5) is arranged on the rack (1), and the driving unit (5) is used for driving the test unit (4) to move along the X-axis direction, the Y-axis direction and the Z-axis direction.

2. The insulation testing device of the battery cell module set according to claim 1, wherein the jacking unit (3) comprises:

a first insulating plate (32), wherein the first insulating plate (32) is connected with the rack (1);

the contact bottom plates (33), the contact bottom plates (33) and the first insulating plate (32) are distributed at intervals, the contact bottom plates (33) are multiple, the contact bottom plates (33) are arranged at intervals along the length direction of the first insulating plate (32), the conductive buffer piece (31) is arranged on the contact bottom plates (33), and the contact bottom plates (33) are electrically connected with the tester (2);

a plurality of elastic members (34), wherein one end of each of the plurality of elastic members (34) is connected to the first insulating plate (32), and the other end of each of the plurality of elastic members (34) is connected to one of the contact base plates (33).

3. The insulation testing device of the battery cell module set according to claim 2, wherein the jacking unit (3) further comprises:

the number of the guide sleeves (35) is multiple, and the guide sleeves (35) are inserted on the first insulating plate (32);

the number of the guide columns (36) is multiple, the guide columns (36) and the guide sleeves (35) are arranged in a one-to-one correspondence mode, one ends of the guide columns (36) are inserted into the guide sleeves (35) and penetrate through the guide sleeves (35) to be electrically connected with the tester (2), and the other ends of the guide columns (36) are connected to one contact bottom plate (33);

wherein: the elastic piece (34) is sleeved on the guide post (36), one end of the elastic piece (34) is connected to the guide sleeve (35), and the other end of the elastic piece (34) is connected to one contact bottom plate (33).

4. The insulation testing device of the battery cell module as recited in claim 2, wherein both ends of the contact bottom plate (33) are provided with elastic members (34).

5. The insulation testing device of the battery cell module set according to claim 2, wherein the jacking unit (3) further comprises:

a profile support (37), the profile support (37) being connected to the machine frame (1), a second insulating plate (38), the second insulating plate (38) being arranged between the machine frame (1) and the profile support (37).

6. The insulation testing device of the battery cell module according to any one of claims 1 to 5, wherein the testing unit (4) comprises a driving source (41), a mounting insulation plate (42) is arranged on an output end of the driving source (41), a testing probe (43) is arranged on the mounting insulation plate (42), one end of the testing probe (43) is electrically connected with the tester (2), and the other end of the testing probe can be matched with the battery cell module (100).

7. The insulation testing device of the battery cell module as recited in claim 6, wherein the number of the test probes (43) is at least three, one of the test probes (43) is connected with the conducting wire of the tester (2), and at least two of the test probes (43) are connected with the test wire of the tester (2).

8. The insulation testing device of the cell module set according to any one of claims 1 to 5, wherein the driving unit (5) comprises:

the driving base (51), the said driving base (51) is set up on the said framework (1);

the Z-axis driving assembly (52), the Z-axis driving assembly (52) is matched with the test unit (4), and the Z-axis driving assembly (52) can drive the test unit (4) to move along the Z-axis direction;

the Y-axis driving assembly (53), the Y-axis driving assembly (53) is matched with the Z-axis driving assembly (52), and the Y-axis driving assembly (53) can drive the Z-axis driving assembly (52) to move along the Y-axis direction;

the X-axis driving assembly (54) is arranged on the driving base (51) and matched with the Y-axis driving assembly (53), and the X-axis driving assembly (54) can drive the Y-axis driving assembly (53) to move along the X-axis direction.

9. The insulation testing device of the battery cell module according to any one of claims 1 to 5, further comprising a display unit (6), wherein the display unit (6) is disposed on the rack (1) and connected to the tester (2), and the display unit (6) is used for displaying a testing result.

10. The insulation testing device of the battery cell module as recited in any one of claims 1 to 5, wherein the number of the driving units (5) is two, the two driving units (5) are respectively located at two sides of the jacking unit (3), and each driving unit (5) is provided with two testing units (4).

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