CN219936084U

CN219936084U - Battery management unit performance detection jig

Info

Publication number: CN219936084U
Application number: CN202320880399.1U
Authority: CN
Inventors: 徐建业
Original assignee: Suzhou HYC Technology Co Ltd
Current assignee: Suzhou HYC Technology Co Ltd
Priority date: 2023-04-19
Filing date: 2023-04-19
Publication date: 2023-10-31
Anticipated expiration: 2033-04-19

Abstract

The embodiment of the utility model discloses a battery management unit performance detection jig, which comprises: the device comprises a base, a displacement assembly and a contact substrate arranged on the base, wherein the contact substrate comprises a conducting piece; the displacement assembly comprises a push plate and a signal transfer substrate positioned on the push plate, wherein the signal transfer substrate comprises a conducting piece group and a transfer piece group; one end of the conducting component group is contacted and conducted with the signal transfer substrate, and the other end of the conducting component group is configured to be contacted and conducted with the polarity connection end and the test point position on the battery management unit; one end of the adapter group is in contact conduction with the signal transfer substrate, and the other end of the adapter group is configured to form conduction with the contact substrate so as to transmit signals. The utility model can complete the loading detection of the battery management unit such as positioning, electrode conduction, detection conduction and the like, simplifies the operation steps, independently operates each conduction component on the detection jig, does not interfere or interfere with each other, can rapidly and accurately remove defective products, and improves the production efficiency.

Description

Battery management unit performance detection jig

Technical Field

The utility model relates to the technical field of detection devices. And more particularly, to a battery management unit performance detection jig.

Background

With the rapid development of modern society, various electronic products enter the life of people, and the quality requirements of people on the electronic products are higher and higher, and the quality requirements of battery components in various electronic products are particularly important.

When the battery is in an operating state, such as a charging state, a discharging state, a standby state and the like, the current use state of the battery cannot be determined, and thus, the conditions of overheating, damage and even spontaneous combustion of the battery caused by the reduction of the performance of the battery often occur. In order to secure the safety and reliability of the battery pack, a management unit for monitoring the state of the battery needs to be provided in the device. The battery management unit completes the collection and monitoring of the voltage, the temperature and other data of the battery through monitoring, so as to provide relevant data for a user in real time to judge the use state and the performance loss of the battery. The reliability of the performance of the battery management unit is an important component affecting the monitoring of the battery assembly, and therefore, it is necessary to provide a jig for detecting the performance of the battery management unit, so as to perform analog detection on the battery management unit under various conditions of the battery assembly.

Disclosure of Invention

In view of the foregoing, it is an object of the present utility model to provide a battery management unit performance detecting fixture, which overcomes the drawbacks of the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a battery management unit performance detection jig, which comprises:

the base is used for bearing and positioning the battery management unit;

a contact substrate arranged on the base, wherein the contact substrate comprises a conducting piece for connecting with a connector end of the battery management unit;

the displacement assembly is positioned on the base and can reciprocate between the disengaging station and the detecting station relative to the base;

the displacement assembly includes:

a push plate; and

the signal transfer substrate is positioned on the push plate;

the signal transfer substrate comprises a conducting component group and a transfer component group;

one end of the conducting component group is in contact conduction with the signal transfer substrate, and the other end of the conducting component group is configured to be in contact with the polarity connection end and the test point on the battery management unit to form conduction when the displacement component is positioned at the detection station;

one end of the transfer component group is in contact conduction with the signal transfer substrate, and the other end of the transfer component group is configured to be in conduction with the contact substrate to transmit signals when the displacement component is positioned at the detection station.

In addition, preferably, the detection fixture comprises a transfer substrate, wherein the transfer substrate is configured on the base and is in conductive connection with the contact substrate;

when the displacement assembly is positioned at the detection station, the other end of the adapter assembly is configured to be communicated with the contact substrate through the adapter substrate so as to transmit signals.

In addition, preferably, a fixing block with a hollow inner cavity is fixed on one side of the signal transfer substrate facing the battery management unit;

the conducting piece group comprises a first probe group accommodated and fixed in the hollow inner cavity; one end of the first probe group is in contact conduction with the signal transfer substrate, and the other end of the first probe group is configured to be in contact conduction with the polarity connection end and the test point on the battery management unit when the displacement assembly is positioned at the detection station;

the adapter group comprises a second probe group accommodated and fixed in the hollow inner cavity; one end of the second probe group is in contact conduction with the signal transfer substrate, and the other end of the second probe group is configured to be in conduction with the contact substrate when the displacement assembly is positioned at the detection station so as to transmit signals.

In addition, preferably, the side of the fixed block, which is away from the signal transfer substrate, comprises a floating plate; the floating plate can float relative to the fixed block in the moving direction of the displacement assembly;

the floating plate comprises a pinhole for the first probe group and the second probe group to pass through, the end part of the first probe group deviating from the signal transfer substrate and the end part of the second probe group deviating from the signal transfer substrate can be detected out of one side surface of the floating plate deviating from the fixed block through the pinhole when the floating plate is positioned close to the fixed block.

Furthermore, preferably, the first probe set includes:

one end of the first pin group is in contact conduction with the signal transfer substrate, and the other end of the first pin group is in contact conduction with the polarity connection end of the battery management unit;

and one end of the second pin group is in contact conduction with the signal transfer substrate, and the other end of the second pin group is in contact with the test point of the battery management unit to form conduction.

Furthermore, preferably, the conducting member includes:

the probe fixing block is fixed with the base and comprises an inner cavity;

accommodating the probe fixed in the inner cavity of the probe fixing block;

the floating block is arranged on the end face of one side, away from the base, of the probe fixing block;

the surface of one side of the floating block, which is far away from the probe fixing block, comprises a cavity for accommodating and fixing the connector end of the battery management unit.

In addition, preferably, the detecting jig comprises a crimping piece hinged and fixed on the base;

the pressing connection piece comprises an upper cover and a pressing block accommodated on the upper cover, and an elastic piece is arranged between the pressing block and the upper cover; the press block is configured to provide a pressing force to the connector end of the battery management unit so that the connector end of the battery management unit is connected with the conducting piece to form conduction for signal transmission.

Furthermore, preferably, the base includes:

a bearing table for bearing and positioning the battery management unit; and

a rotating member rotatably disposed on the carrying table;

the rotating piece comprises a first plate and a second plate which are arranged in an intersecting manner in the extending direction;

the end part of the first plate is provided with a limiting block which is bent and extended, and the limiting block is used for limiting the battery management unit in a limiting groove formed in the side wall of the bearing table.

In addition, preferably, the matching surface of the first plate opposite to the bearing table comprises a first magnetic group; the matching surface of the second plate opposite to the bearing table comprises a second magnetic group.

In addition, preferably, the displacement assembly comprises a clamping hook connected and fixed on the push plate, and the base comprises a fixed hook part correspondingly matched with the clamping hook;

the push plate is arranged on the base through the guide rail, a reset elastic piece is arranged between the push plate and the base, and the acting force direction of the reset elastic piece is along the moving direction of the displacement assembly.

The beneficial effects of the utility model are as follows:

according to the technical scheme provided by the utility model, the loading detection such as positioning, electrode conduction, detection conduction and the like of the battery management unit can be completed by utilizing one set of detection jig, the polarity connection end and the test point position on the battery management unit which are arranged in a coplanar manner can be pressed and conducted by the side of the base bearing table through the displacement assembly, the conduction performance can be ensured, the polarity connection end and the test point position on the battery management unit are simultaneously conducted with the contact substrate, the operation steps are simplified, all conduction components on the detection jig are independently operated and do not interfere or interfere with each other, defective products can be rapidly and accurately removed, and the production efficiency is improved.

Drawings

The following describes the embodiments of the present utility model in further detail with reference to the drawings.

Fig. 1 is a schematic diagram showing a structure of a detection tool for detecting a battery management unit according to the present utility model.

Fig. 2 is a schematic diagram of a bottom structure of a detection tool according to the present utility model.

Fig. 3 is a schematic diagram showing a state of the detection tool carrying the battery management unit according to the present utility model.

Fig. 4 shows a schematic structure of a battery management unit according to the present utility model.

Fig. 5 is a schematic view showing a base structure of a detection tool according to the present utility model.

Fig. 6 is a schematic diagram showing an initial state of a rotating member in the structure of the detection tool according to the present utility model.

Fig. 7 is a schematic diagram showing a limiting state of a rotating member in a structure of a detection tool according to the present utility model.

Fig. 8 is a schematic diagram illustrating the cooperation between the press-connection member and the conduction member in the structure of the detection tool according to the present utility model.

Fig. 9 shows a schematic structural diagram of a press-fit member in the structure of the detection tool according to the present utility model.

Fig. 10 shows an assembly diagram of the conducting member in the structure of the detection tool according to the present utility model.

Fig. 11 is a schematic diagram showing a state of a displacement assembly of a detection tool structure according to the present utility model.

Fig. 12 shows a schematic view of the structure of the push plate not shown in fig. 11.

Fig. 13 shows a schematic structural view of the displacement assembly.

Fig. 14 shows an assembly view of the displacement assembly.

Fig. 15 shows a signal conducting connection diagram of the detection tool provided by the utility model.

Detailed Description

Various exemplary embodiments of the present utility model will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise.

The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses.

Techniques and equipment known to those of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate.

In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of exemplary embodiments may have different values.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

The detection tool provided by the embodiment is mainly used for detecting the performance of the battery management unit, and the test means comprise, but are not limited to, setting high voltage, low current, high current, temperature and other modes for the battery management unit, simulating whether the performance of the battery management unit is normal under the conventional condition and the severe condition, and detecting whether the battery management unit is qualified. In this embodiment, the detection jig is provided mainly as a conducting medium between the detection device and the battery management unit, and fig. 4 shows a schematic structural diagram of the battery management unit according to the embodiment of the present utility model, where the battery management unit includes: the device comprises an FPC circuit board, a connector end 103 positioned on the FPC circuit board, a polarity connection end 101 and a test point 102. The product sizes of different battery management units may vary slightly, the number and positions of the test points may vary slightly, and the positions and sizes of the polar connection terminals may vary slightly, which is not intended to limit the specific structure of the detection tool provided by the present utility model.

Referring first to fig. 1 to 4, in one embodiment, the present utility model provides a battery management unit performance detection jig, which includes a base 1, a contact substrate 2, and a displacement assembly 3. The base 1 is used for carrying and positioning the battery management unit 100, the contact substrate 2 is disposed on the base 1, and the contact substrate 2 includes a conductive member 4 for connecting with the connector end 103 of the battery management unit 100. The displacement assembly 3 is arranged on the base 1 and can reciprocate relative to the base 1 between a disengaging station and a detecting station. The contact substrate 2 includes a contact substrate test point 20 electrically connected to an external test device, and the contact substrate test point 20 is exposed from the bottom surface of the base 1.

Referring to fig. 13 and 14, the displacement assembly 3 includes a push plate 31 and a signal transfer substrate 32 disposed on the push plate 31, where the signal transfer substrate 32 includes a conductive member group 33 and a transfer member group 34.

The conducting member set 33 has one end in contact with the signal transferring substrate 32 and the other end configured to be in contact with the polarity connection terminal 101 and the test point 102 on the battery management unit 100 when the displacing component 3 is located at the detecting station. The adaptor set 34 has one end in contact with the signal transfer substrate 32 and the other end configured to be in communication with the contact substrate 2 for signal transmission when the displacement assembly 3 is in the inspection station.

The battery management unit is used for detecting that required test connection points are distributed on different sides and different positions of a unit device, the polarity connection ends of the battery management unit are lack of positioning between the polarity connection ends and a contact substrate, based on the flexible characteristic of a main body FPC of the battery management unit, when the polarity connection ends at one end of the FPC are pressed, fixed and conducted, the polarity connection ends at two ends of the FPC are prone to warping, instability exists in a conduction mode between the polarity connection ends of the two battery management units and the contact substrate, dislocation virtual connection is prone to occur, and simulation test effects are affected.

As shown in fig. 8, 11 to 14, the inspection jig further includes a transfer substrate 5, and the transfer substrate 5 is disposed on the base 1 and is connected to the contact substrate 2 in a conductive manner. When the displacement assembly 3 is located at the inspection station, the other end of the adaptor assembly 34 is configured to be in communication with the contact substrate 2 through the adaptor substrate 5 to transmit signals. The transfer substrate 5 is located at one side of the contact substrate 2 and is arranged in the vertical direction, the transfer substrate 5 and the contact substrate 2 form a non-coplanar structure style, so that the polarity connection end 101 and the test point 102 on the battery management unit 100 are conducted by one side of the contact substrate 2 in cooperation with the displacement assembly 3, the detection requirement of the coplanar arrangement of the polarity connection end and the test point on the battery management unit is met, and all the conduction components on the detection jig can be independently arranged and operated by changing the design without interference.

The present utility model as shown in fig. 8, 11, 13, and 14 provides a detection jig structure, wherein a fixing block 35 having a hollow cavity is fixed on a side of the signal transfer substrate 32 facing the battery management unit, and the conducting member group 33 includes a first probe group 331 accommodated and fixed in the hollow cavity; one end of the first probe set 331 is in contact with the signal transferring substrate 32, and the other end is configured to be in contact with the polarity connection terminal 101 and the test point 102 on the battery management unit 100 to form conduction when the displacement assembly 3 is located at the detection station.

The adaptor set 34 includes a second probe set 341 accommodated and fixed in the hollow cavity; one end of the second probe group 341 is in contact with the signal transfer substrate 32, and the other end is configured to be in contact with the contact substrate 2 when the displacement assembly 3 is located at the inspection station so as to transmit signals.

In this embodiment, the setting direction of the first probe set 331 and the setting direction of the second probe set 341 are both along the moving direction of the push plate 31. It should be noted that, in the case that the detection jig includes the transit substrate 5, the electrical contact point on the transit substrate 5 corresponds to the other end of the second probe set, and when the displacement assembly 3 is located at the detection station, the other end of the second probe set 341 is configured to contact the electrical contact point of the transit substrate 5, so that the second probe set 341 is electrically connected to the contact substrate 2 through the transit substrate 5 to transmit signals.

In one embodiment, the side of the fixed block 35 facing away from the signal transfer substrate 32 includes a floating plate 36; the floating plate 36 is floatable relative to the fixed block 35 in the moving direction of the displacement assembly 3. The floating plate 36 includes a pinhole for the first probe set 331 and the second probe set 341 to pass through, and the end of the first probe set 331 facing away from the signal transfer substrate 32 and the end of the second probe set 341 facing away from the signal transfer substrate 32 can protrude from the pinhole to a side surface of the floating plate 36 facing away from the fixed block 35 when the floating plate 36 is located near the fixed block 35.

In the present embodiment, as shown in fig. 14, the number of floating plates 36 is two, and a first floating plate of the two floating plates 36 is provided corresponding to the conductive member group 33, and a second floating plate of the two floating plates 36 is provided corresponding to the adapter group 34. The first floating plates separated from each other can be set to have a thickness or a floating change distance according to the distance between the first probe set 331 of the conductive member set and the polar connection terminal 101 and the test point 102 of the battery management unit 100.

The second floating plate may be set to have a thickness or a floating variation distance according to a distance between the second probe group 341 of the adapter group 34 and the adapter substrate 5. The position fall between the conducting component group 33 and the adapter component group 34 is better compensated, the corresponding parameter range is convenient to be adjusted for products (battery management units) according to actual needs, the detection requirements of products with different sizes are met, the application range of the detection jig provided by the utility model is enlarged,

in a particularly preferred embodiment, the first probe set 331 includes a first pin set and a second pin set, wherein one end of the first pin set is in contact with the signal transfer substrate 32 for conducting, and the other end of the first pin set is in contact with the polar connection terminal 101 on the battery management unit 100 for conducting.

One end of the second pin set is in contact with the signal transferring substrate 32, and the other end of the second pin set is in contact with the test point 102 of the battery management unit 100 to form a conduction.

In this embodiment, the number of the first pin sets is two, one of the two first pin sets is used to contact with the positive polarity connection terminal of the battery management unit to form conduction, and the other is used to contact with the negative polarity connection terminal of the battery management unit to form conduction.

The number of the second pin groups is two, one of the two second pin groups is used for being in contact with one test point of the battery management unit to form conduction, the other one is used for being in contact with the other test point of the battery management unit to form conduction, and under a test environment, the two test point groups can respectively simulate the battery management unit to monitor parameters such as limited temperature, current and the like of the battery under the test condition in real time, and detect the state change of the battery management unit so as to verify the reliability of the battery management unit.

Referring to fig. 9 and 10, in the present embodiment, the conducting member 4 is used to simulate the connection of the battery management unit to the circuit board of the electronic device to form signal transmission, so as to provide a detection tool for performing simulation detection on the battery management unit. Specifically, the conductive member 4 includes a probe fixing block 41, a probe 42, and a slider 43. Wherein, the probe fixing block 41 is fixed on the base 1, the probe fixing block 41 comprises an inner cavity, the probe 42 is accommodated and fixed in the inner cavity of the probe fixing block 41, and the floating block 43 is arranged on the end face of one side of the probe fixing block 41, which is away from the base 1. The surface of the slider 43 on the side facing away from the probe-mount 41 includes a cavity 44 for receiving the connector end of the fixed battery management unit.

The slider 43 is capable of floating relative to the probe holder 41 in the direction of action of the probe 42, the slider 43 includes a probe hole for the probe 42 to pass through, one end of the probe 42 is in contact with the electrical contact point of the contact substrate 2, and the end of the probe 42 away from the contact substrate 2 is capable of being separated from the surface of the contact substrate by the probe Kong Tanchu when the slider 43 is located close to the probe holder 41. The floating block 43 of the conducting piece 4 has the function of floating up and down, and when the connector end 103 of the battery management unit 100 is contacted and conducted with the probe 42 of the conducting piece 4, the floating block 43, the pressing block and the elastic piece are matched with each other to provide acting force, so that the conducting contact between the connector end of the battery management unit and the probe in the inner cavity of the probe fixing block of the conducting piece is more stable and reliable.

Fig. 9 shows a schematic structural diagram of a press-fit member in the structure of the detection jig according to the present utility model, in one embodiment, the detection jig includes a press-fit member 6, the press-fit member 6 is hinged and fixed on the base 1, the press-fit member 6 includes an upper cover 61 and a pressing block 62 accommodated on the upper cover 61, and an elastic member 63 is included between the pressing block 62 and the upper cover 61. The press block 62 is configured to provide a pressing force to the connector end 103 of the battery management unit 100 to connect the connector end 103 of the battery management unit 100 with the conductive member 4 to form a conductive connection for signal transmission.

In this embodiment, the detection tool further includes a locking element, where the locking element includes a latch hook 64 located on the base, a card body (not shown) formed on the upper cover of the crimping element and correspondingly matched with the latch hook, and an unlocking handle 65 for driving the latch hook to separate from the card body. The press-fit member 6 after being turned over and pressed down can be fixed by the locking member, and the purpose is to maintain a good and stable connection and conduction state between the connector end of the battery management unit and the conduction member. In combination with the illustrated structure, in order to avoid the unstable influence of the deformation of the upper cover 61 of the press-fit member itself on the pressure of the press block 62 on the connector end of the battery management unit, the mating locking position of the locking body and the locking hook 64 is located at a position of the upper cover 61 close to the press block 62, so as to ensure that the press block 62 can provide a stable downward force to the connector end 103 of the battery management unit 100.

In order to meet the requirement of realizing loading detection such as positioning, electrode conduction and detection conduction of the battery management unit, the embodiment provides a detection jig structure, the base 1 comprises a bearing table 11 for bearing and positioning the battery management unit 100, and a rotating member 12 rotatably arranged on the bearing table 11. The rotating member 12 includes a first plate 121 and a second plate 122 disposed in the intersecting manner in the extending direction, a limiting block 123 extending from the end of the first plate 121 in a bending manner is disposed, and the limiting block 123 is configured to limit the battery management unit 100 in a limiting groove provided on the side wall of the carrying platform 11. The battery management unit 100 is limitedly positioned on the base 1 by using the limiting groove of the side wall of the bearing table 11, so that the conduction member set 33 and the conduction member set 34 between the battery management unit 100 are realized by moving the displacement assembly 3 to the detection station, and the connection is shown in fig. 5 to 7.

In one embodiment, the first plate 121 includes a first magnetic group 124 on a mating surface opposite to the carrying platform 11, and the second plate 122 includes a second magnetic group 125 on a mating surface opposite to the carrying platform 11. In this embodiment, the polarity connection end 101 and the test point 102 of the battery management unit 100 are correspondingly disposed on the side wall of the carrying platform 11, and the first magnetic resistance 124 can limit the battery management unit 100 in the limit groove of the side wall of the carrying platform 11 by the limit block to provide a reliable clamping force, so as to prevent the battery management unit from falling off during the detection process or the switching process.

Specifically, the first magnetic set 124 may be two magnets that are mutually matched and are respectively embedded in the bearing table or the first plate and have different polarities. The bearing table can be a single magnet embedded in the bearing table or the first plate and a metal block embedded in the first plate or the bearing table and used for forming magnetic attraction fit with the single magnet. The second magnetic group 125 may be in the same arrangement as the first magnetic group, and will not be described herein.

Referring to fig. 11 and 12, in order to ensure that the conducting member set 33 contacts the polar connection end 101 and the test point 102 on the battery management unit 100 to form a stable conducting state, the displacement assembly 3 includes a hook 311 connected and fixed on the push plate 31, the base 1 includes a fixed hook portion 13 correspondingly matched with the hook 311, and the push plate 31 is disposed on the base 1 through a guide rail. Further, a return elastic member 37 is included between the push plate 31 and the base 1, and the acting force direction of the return elastic member 37 is along the moving direction of the displacement assembly.

In the embodiment shown in the drawings, the number of the hooks 311 is two, and the hooks are respectively arranged on two sides of the push plate 31, and the tail parts of the two hooks 311 are connected with a hook connecting plate 312, so that the two hooks 311 form an integral part for synchronous action. A rotary shaft 313 is arranged between the clamping hook 311 and the push plate 31. The rotating shaft 313 is away from one side of the hook end of the hook 311, a compression spring 314 is arranged between the hook 311 and the push plate 31, the compression spring 314 provides pretightening force for the hook end of the hook 311, the hook 311 is in a state capable of being buckled with the fixed hook 13 in a natural state under the action of the compression spring 314, the hook connecting plate 312 connects and fixes the two hooks 311 together, and the hook 311 can rotate according to the rotating shaft 313 by downwards pressing the hook connecting plate 312. When the displacement assembly 3 is located at the detection station, the conducting member set 33 and the adapter member set 34 are respectively contacted with the polar connection end 101 and the test point 102 on the battery management unit 100 to form conduction, and under the action of the compression spring 314, the hook end of the hook 311 and the fixed hook 13 on the base 1 can be stably hooked together. The hook end of the pressing hook connecting plate 312 and the hook end of the hook 311 are separated from the fixed hook part 13 on the base 1, and the displacement assembly can automatically move from the detection station to the separation station under the action of the reset elastic piece 37. The set of conductive elements 33 and the set of switches 34 are separated from the polarity connection terminals and the test sites on the battery management unit.

Referring to fig. 15, the signal conduction between the inspection tool and the product to be inspected provided by the present utility model is described as follows:

the probe 42 of the conducting member 4 is abutted with the connector end 103 of the battery management unit 100, and the connector end 103 of the battery management unit 100 is connected with the contact substrate 2 through the conducting member 4 to form conduction and signal transmission. The first probe set 331 of the conducting member set 33 is in contact with the polarity connection terminal 101 and the test point 102 on the battery management unit 100 to form a conducting connection, and is in communication with the signal transfer substrate 32. In the embodiment shown in the drawings, the second probe set 341 of the adapter set 34 is used to transfer the signal transfer substrate to the transfer substrate 5, so that the polarity connection terminal 101 and the test point 102 on the battery management unit 100 are both electrically connected to the transfer substrate 5. The transfer substrate 5 is welded on the contact substrate 2 and conducts signals, so that signals on the battery management unit 100 to be tested can be transferred to the contact substrate 2, and then the test equipment is connected with the contact substrate test point 20 on the back of the contact substrate 2 for conducting, so that the test experiment of the battery management unit carried by the detection tool by using the detection equipment can be realized.

For the sake of clear understanding of how the detection tool is used to load the battery management unit to be tested, the following operation flow will be described generally:

1) The battery management unit 100 to be tested is placed in the carrying table 11.

2) The upper cover 61 of the press-fit member 6 is closed, so that the connector end 103 of the battery management unit 100 to be tested is limited in the cavity 44 of the slider 43, and the connector end 103 of the battery management unit 100 is connected with the conducting member 4.

3) The turning member 12 is turned over, and the battery management unit 100 is limited in a limiting groove provided in the side wall of the carrying table 11 by a limiting block 123.

4) The displacement assembly 3 is pushed to enable the clamping hook 311 on the displacement assembly 3 to be buckled with the fixed hook part 13 on the base 1, and the displacement assembly 3 is located at the detection station.

5) The loading of the battery management unit 100 to be tested is completed, and the whole detection jig is put on the detection equipment to perform relevant test experiments of the battery management unit to be tested.

6) After the test is finished, the detection jig is taken out from the detection equipment, the clamping hook connecting plate 312 is pressed, the clamping hook 311 is separated from the fixed hook part 13 on the base 1, and the displacement assembly 3 returns to the initial separation station under the elastic force of the reset elastic piece 37;

7) The rotating member 12 is reversely turned, and the upper cover 61 of the press-fit member 6 is opened, so that the battery management unit to be tested can be taken out.

It should be understood that the foregoing examples of the present utility model are provided merely for clearly illustrating the present utility model and are not intended to limit the embodiments of the present utility model, and that various other changes and modifications may be made therein by one skilled in the art without departing from the spirit and scope of the present utility model as defined by the appended claims.

Claims

1. The utility model provides a battery management unit performance detection tool, its characterized in that, detection tool includes:

the base is used for bearing and positioning the battery management unit;

the displacement assembly includes:

a push plate; and

the signal transfer substrate is positioned on the push plate;

2. The inspection jig according to claim 1, wherein the inspection jig comprises a transfer substrate disposed on the base and in conductive connection with the contact substrate;

3. The detection jig according to claim 1, wherein a fixing block having a hollow inner cavity is fixed to a side of the signal transfer substrate facing the battery management unit;

4. The detection jig according to claim 3, wherein a side of the fixing block facing away from the signal transfer substrate includes a floating plate; the floating plate can float relative to the fixed block in the moving direction of the displacement assembly;

5. The inspection jig of claim 3, wherein the first probe set comprises:

6. The inspection jig of claim 1, wherein the conducting member comprises:

the probe fixing block is fixed with the base and comprises an inner cavity;

accommodating the probe fixed in the inner cavity of the probe fixing block;

7. The inspection jig of claim 1, including a crimp member hingedly secured to the base;

8. The inspection jig of claim 1, wherein the base comprises:

a bearing table for bearing and positioning the battery management unit; and

a rotating member rotatably disposed on the carrying table;

9. The inspection jig according to claim 8, wherein the first plate has a first magnetic set on a mating surface opposite to the carrier; the matching surface of the second plate opposite to the bearing table comprises a second magnetic group.

10. The detection jig according to claim 1, wherein the displacement assembly comprises a hook connected and fixed on the push plate, and the base comprises a fixed hook part correspondingly matched with the hook;