New energy power battery pack voltage and temperature acquisition wire harness detection tool

Abstract

The invention relates to the technical field of battery pack voltage and temperature acquisition wire harness detection tools, in particular to a new energy power battery pack voltage and temperature acquisition wire harness detection tool which comprises a detection tool plate, an integrated circuit board is arranged in the detection tool plate, and two storage cavities are formed in the position, on one side of the integrated circuit board, in the detection tool plate; a winding disc is arranged in the storage cavity, collection wire harnesses are wound on the winding disc, and the two sets of collection wire harnesses correspond to voltage detection and temperature detection respectively; the beneficial effects are that according to the new energy power battery pack voltage and temperature acquisition wire harness detection tool provided by the invention, when the lengths of two groups of acquisition wire harnesses are not enough to enable a probe group to be in contact with a BMS port of a battery, pressing heads extending out of two sides of the top of an extension column are pressed, so that the pressing heads push a telescopic plate to contract towards the inner side of a cavity; at the moment, the telescopic plate drives the limiting inserting column connected to the outer side of the bottom to be separated from the limiting inserting groove, and limiting of the extending column is canceled.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of battery voltage and temperature acquisition harness detection tooling, in particular to a new energy power battery voltage and temperature acquisition harness detection tooling. BACKGROUND

[0002] With the rapid development of the new energy vehicle industry, the safety and stability of the power battery, as the core energy supply component, are of great importance. The battery pack is usually composed of multiple battery modules, each of which is equipped with a voltage and temperature acquisition harness for real-time monitoring of the battery status to ensure that the battery management system (BMS) can accurately obtain the voltage and temperature data of each string of battery cells.

[0003] In the prior art, CN207976174U discloses a "power battery voltage and temperature acquisition harness detection tooling for electric vehicles", which realizes batch detection of voltage and temperature signals by setting multiple probes to be connected to the interfaces of the acquisition harness, thereby improving the detection efficiency. However, the probe-harness assembly in the tooling is fixed relative to the position of the substrate, and the wire length and the probe extension distance are not adjustable. In actual production lines, when the battery modules to be tested are far away from the tooling reference surface due to differences in vehicle models or tray positioning errors, the effective working length of the probe harness is insufficient to reliably connect to the interface, and only the harness or the battery tray can be replaced, causing interruption of detection and reducing the universality and detection efficiency. SUMMARY

[0004] The present application aims to provide a new energy power battery voltage and temperature acquisition harness detection tooling to solve the problems raised in the background.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical solution: a detection tooling plate, an integrated circuit board is arranged inside the detection tooling plate, two groups of receiving cavities are formed on one side of the integrated circuit board inside the detection tooling plate, a winding disc is arranged in each receiving cavity, and an acquisition harness is wound on the winding disc. The two groups of acquisition harnesss correspond to voltage detection and temperature detection, respectively. One end of the acquisition harness is connected to a communication head arranged in the middle of the bottom of the winding disc, and the other end of the acquisition harness extends out of the detection tooling plate. The end of the extended end of the acquisition harness is connected to a probe group. The middle of the bottom of the communication head is vertically arranged at the center of the middle of the winding disc. The middle of the bottom of the communication head is connected to a connecting line, and the other end of the connecting line is connected to one side of the integrated circuit board.

[0006] Preferably, the integrated circuit board is provided with a voltage detection module and a voltage status display lamp group at the same time, and the voltage detection module and the voltage status display lamp group extend out of the through hole formed on the top of the integrated circuit board of the detection tooling plate at the same time.

[0007] Preferably, the integrated circuit board is provided with a voltage state display lamp group on the side parallel to the voltage detection module, the voltage state display lamp group is provided with three groups of LED display lamps, which are yellow, green and red respectively, and the voltage state display lamp group extends out of the through hole on the top of the integrated circuit board.

[0008] Preferably, the integrated circuit board is provided with a temperature state display lamp group on the side parallel to the temperature detection module, the temperature state display lamp group is provided with three groups of LED display lamps, which are yellow, green and red respectively, and the temperature state display lamp group extends out of the through hole on the top of the integrated circuit board.

[0009] Preferably, the top of the winding disc is provided with a clamping ring, the clamping ring clamps a connecting ring, the connecting ring is rotatably connected with the clamping ring, the top of the connecting ring is connected with a plurality of connecting columns, the middle part of the connecting column is provided with an expansion slot, the expansion slot is inserted with an expansion connecting column, and the top of the expansion connecting column is fixedly connected with the inner wall of the detection tool plate on the top of the receiving cavity.

[0010] Preferably, the expansion slot is provided with a first spring, the bottom of the first spring is connected with the inner wall of the bottom of the expansion slot, and the top of the first spring is connected with the expansion connecting column.

[0011] Preferably, the top of the extension column is connected with a rotating disc, the inside of the extension column is provided with a cavity, the two sides of the cavity are provided with expansion plates, and the inner sides of the two expansion plates are connected through a second spring.

[0012] Preferably, the outer side of the second spring is provided with a pressing head at the top, the outer side of the second spring is provided with a limiting insertion column at the bottom, the extension column is provided with corresponding through holes at the positions parallel to the pressing head and the limiting insertion column, so that the pressing head and the limiting insertion column can extend out of the cavity.

[0013] Preferably, the detection tool plate is provided with a plurality of limiting insertion slots around the extension column, and the limiting insertion column can be inserted into the limiting insertion slot, so as to fix the extension column and the winding disc in up-down expansion.

[0014] Compared with the prior art, the present application has the following advantages:

[0015] The new energy power battery pack voltage and temperature collection wire harness detection tool provided by the application, when the length of two groups of collection wire harnesses is insufficient to make the probe group contact the BMS port of the battery, the pressing head extending out from both sides of the top of the extension column is pressed, the pressing head pushes the telescopic plate to shrink to the inside of the cavity, at this time the telescopic plate drives the limiting plug-in column connected to the outside of the bottom to separate from the limiting plug-in slot, the limiting of the extension column is cancelled, then the first spring in the telescopic slot drives the winding disc to pop open downward through tension, the winding disc drives the extension column to drop as a whole, the limiting plug-in column on the outside of the bottom of the telescopic plate in the cavity is placed in the storage cavity, then the collection wire harness is pulled, the winding disc starts to pay off the collection wire harness through rotation, the length of the collection wire harness is increased, the probe group connected to the outside of the collection wire harness can be plugged into the BMS port of the battery, further, the winding disc is slidably connected with the connecting ring in the connecting ring through the clamping ring opened at the top, the telescopic connecting column plugged into the telescopic slot in the middle of the connecting column at the top of the connecting ring is fixedly connected with the inner wall of the detection tool plate, which prevents the normal rotation of the winding disc, further, when the winding disc drops, the bottom of the winding disc leaves a certain gap with the inner wall of the bottom of the storage cavity, which prevents the winding disc from bruising the connecting line, further, when the winding disc drops, the rotating disc connected to the top of the extension column leaves a certain gap with the surface of the detection tool plate, which avoids the rotating disc tightly adhering to the surface of the detection tool plate and hindering the normal rotation of the rotating disc; when the detection is completed and the collection wire harness is wound, the rotating disc is reversely rotated, the rotating disc drives the winding disc to rotate through the extension column, the paid-off collection wire harness is stored on the winding disc again, the pressing head extending out from the top of the extension column is pressed again, the extension column is lifted upward through the rotating disc, the extension column drives the winding disc to rise, the limiting plug-in column at the bottom of the second spring in the cavity is parallel to the limiting plug-in slot, at this time the telescopic connecting column is stored in the telescopic slot, then the pressing head is loosened, the second spring connected to the inside of the two telescopic plates drives the limiting plug-in column to pop out from the cavity through tension and plug into the limiting plug-in slot, the rotation of the winding disc and the extension column is locked again, which avoids the winding disc from being loose due to the unfixed winding disc. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the application;

[0017] Figure 2 It is a schematic diagram of the cross-sectional structure of the application;

[0018] Figure 3 It is Figure 2 It is an enlarged schematic diagram of the structure at A in the middle;

[0019] Figure 4 It is Figure 3 It is an enlarged schematic diagram of the structure at B in the middle;

[0020] Figure 5 It is an internal structure explosion diagram of the application.

[0021] In the figure: detection tooling plate 1, integrated circuit board 2, voltage detection module 3, voltage state display lamp group 4, temperature detection module 5, temperature state display lamp group 6, power cord 7, storage cavity 8, winding disc 9, extension column 10, collection wire harness 11, wiring terminal 12, connecting wire 13, probe group 14, clamping ring 15, connecting ring 16, connecting column 17, telescopic slot 18, first spring 19, telescopic connecting column 20, rotating disc 21, cavity 22, second spring 23, telescopic plate 24, pressing head 25, limiting plug-in column 26, limiting plug-in slot 27. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme of the present application clear, complete description, and the advantages are more clear and obvious, the following will be further described in detail by combining with the drawings. It should be understood that the specific embodiments described here are part of the embodiments of the present application, not all embodiments, only to explain the embodiments of the present application, and not used to limit the embodiments of the present application, all other embodiments obtained by the person skilled in the art without doing creative work, belong to the scope of protection of the present application.

[0023] Please refer to Figures 1 to 5 , the present application provides a technical scheme: detection tooling plate 1, the inside of detection tooling plate 1 is provided with integrated circuit board 2, the inside of detection tooling plate 1 is provided with two groups of storage cavities 8 on one side of integrated circuit board 2, winding disc 9 is arranged in storage cavity 8, winding disc 9 is wound with collection wire harness 11, two groups of collection wire harness 11 correspond to voltage detection and temperature detection respectively, one end of collection wire harness 11 is connected with the communication head 12 arranged in the middle of the bottom of winding disc 9, the other end of collection wire harness 11 is connected with probe group 14, the middle of the bottom of communication head 12 is perpendicular to the middle of winding disc 9, the middle of the bottom of communication head 12 is connected with connecting wire 13, the other end of connecting wire 13 is connected with one side of integrated circuit board 2; collection wire harness 11 transmits detection information to probe group 14 through communication head 12 at the bottom of winding disc 9, and then transmits to integrated circuit board 2 through probe group 14, voltage detection module 3 on integrated circuit board 2 starts to detect battery wire harness.

[0024] The integrated circuit board 2 is provided with the voltage detection module 3 and the voltage state display lamp group 4 simultaneously, the voltage detection module 3 and the voltage state display lamp group 4 are simultaneously extended from the through hole of the detection tool plate 1 opened on the top of the integrated circuit board 2; the integrated circuit board 2 is provided with the voltage state display lamp group 4 on the parallel side of the voltage detection module 3, the voltage state display lamp group 4 is provided with three groups of LED display lamps, which are yellow, green and red respectively, the voltage state display lamp group 4 is simultaneously extended from the through hole of the detection tool plate 1 opened on the top of the integrated circuit board 2; the integrated circuit board 2 is provided with the temperature state display lamp group 6 on the parallel side of the temperature detection module 5, the temperature state display lamp group 6 is simultaneously provided with three groups of LED display lamps, which are yellow, green and red respectively, the temperature state display lamp group 6 is simultaneously extended from the through hole of the detection tool plate 1 opened on the top of the integrated circuit board 2; the voltage state display lamp group 4 parallel to the voltage detection module 3 of the integrated circuit board 2 displays the detection result, the green light is on when the wiring of the wire harness is normal, the yellow light is on when the wiring of the wire harness is wrong, and the red light is on when the wiring of the wire harness is missed; the temperature state display lamp group 6 parallel to the temperature detection module 5 of the integrated circuit board 2 displays the detection result, the green light is on when the wiring of the wire harness is normal, the yellow light is on when the wiring of the wire harness is wrong, and the red light is on when the wiring of the wire harness is missed.

[0025] The top of the winding disc 9 is provided with a clamping ring 15, the clamping ring 15 clamps a connecting ring 16, the connecting ring 16 is rotationally connected with the clamping ring 15, the top of the connecting ring 16 is connected with a plurality of connecting columns 17, the middle part of the connecting column 17 is provided with an expansion slot 18, the expansion slot 18 is inserted with an expansion connecting column 20, the top of the expansion connecting column 20 is fixedly connected with the inner wall of the detection tool plate 1 on the top of the receiving cavity 8; the expansion slot 18 is provided with a first spring 19, the bottom of the first spring 19 is connected with the inner wall of the bottom of the expansion slot 18, the top of the first spring 19 is connected with the expansion connecting column 20, the expansion connecting column 20 can be expanded and contracted in the expansion slot 18 through the first spring 19; the extension column 10 is lifted upward through the rotating disc 21, the extension column 10 drives the winding disc 9 to rise, the limiting plug-in column 26 at the bottom of the second spring 23 in the cavity 22 is parallel to the limiting plug-in slot 27, at this time, the expansion connecting column 20 is received in the expansion slot 18.

[0026] The end of the top of the extension column 10 is connected with the rotating disc 21, the inside of the middle of the extension column 10 is provided with the cavity 22, the both sides of the cavity 22 are provided with the telescopic plate 24, the inside of the two groups of telescopic plates 24 is connected through the second spring 23; the outside top of the second spring 23 is provided with the pressing head 25, the outside bottom of the second spring 23 is provided with the limiting plug-in column 26, the extension column 10 is provided with the corresponding through hole at the parallel place with the pressing head 25 and the limiting plug-in column 26, so that the pressing head 25 and the limiting plug-in column 26 can be extended from the cavity 22; the detection tool plate 1 is provided with a plurality of limiting slot 27 around the extension column 10, the limiting plug-in column 26 can be plugged into the limiting slot 27, so that the extension column 10 and the upper and lower telescopic winding disc 9 are fixed; the pressing head 25 is loosened, the second spring 23 connected with the inside of the two groups of telescopic plates 24 is pulled through the tension, so that the limiting plug-in column 26 is popped out from the cavity 22 and plugged into the limiting slot 27, so that the winding disc 9 is locked.

[0027] In actual use, first, the plug at the end of the power cord 7 extending from one side of the detection tool plate 1 is connected with the wire socket, when the voltage of the battery collection harness is detected, the probe group 14 at the outside end of the collection harness 11 corresponding to the voltage detection is connected with the voltage signal interface corresponding to the battery end harness BMS port of the battery, at this time, the collection harness 11 transmits the detection information to the probe group 14 through the communication head 12 at the bottom of the winding disc 9, and then transmits the detection information to the integrated circuit board 2 through the probe group 14, the voltage detection module 3 on the integrated circuit board 2 starts to detect the battery harness, and displays the detection result through the voltage state display lamp group 4 on the integrated circuit board 2 parallel to the voltage detection module 3, when the harness connection is normal, the green light is on, when the harness connection is wrong, the yellow light is on, and when the harness connection is missed, the red light is on; when the temperature sensor collection harness of the battery is detected, the probe group 14 at the outside end of the collection harness 11 corresponding to the temperature detection is connected with the temperature signal interface corresponding to the battery end harness BMS port of the battery, at this time, the collection harness 11 transmits the detection information to the probe group 14 through the communication head 12 at the bottom of the winding disc 9, and then transmits the detection information to the integrated circuit board 2 through the probe group 14, the temperature detection module 5 on the integrated circuit board 2 starts to detect the temperature sensor collection harness, and displays the detection result through the temperature state display lamp group 6 provided on the integrated circuit board 2 parallel to the temperature detection module 5, when the harness connection is normal, the green light is on, when the harness connection is wrong, the yellow light is on, and when the harness connection is missed, the red light is on.

[0028] When the two groups of collection wire bundles 11 are not long enough for the probe groups 14 to contact the BMS ports of the battery, the pressing heads 25 on both sides of the top of the extension column 10 are pressed to push the telescopic plates 24 to contract inwardly in the cavity 22, at this time the telescopic plates 24 drive the limiting plug-in columns 26 on the outer side of the bottom to disengage from the limiting plug-in slots 27, canceling the limiting of the extension column 10, then the first springs 19 in the telescopic grooves 18 pull the winding disc 9 down to open, the winding disc 9 drives the extension column 10 to drop as a whole, the limiting plug-in columns 26 on the outer side of the bottom of the telescopic plates 24 in the cavity 22 are placed in the storage cavity 8, then the collection wire bundles 11 are pulled, the winding disc 9 starts to unwind the collection wire bundles 11 by rotating, increasing the length of the collection wire bundles 11, so that the probe groups 14 connected to the outer side of the collection wire bundles 11 can be plugged into the BMS ports of the battery, further, the winding disc 9 is connected to the connecting ring 16 in the clamping ring 15 through the clamping ring 15 opened at the top, preventing the telescopic connecting column 20 plugged into the telescopic groove 18 in the middle of the connecting column 17 from being fixedly connected to the inner wall of the detection tooling plate 1, hindering the normal rotation of the winding disc 9, further, when the winding disc 9 drops, the bottom of the winding disc 9 leaves a certain gap with the inner wall of the bottom of the storage cavity 8, preventing the winding disc 9 from crushing the connecting wires 13, further, when the winding disc 9 drops, the rotating disc 21 connected to the top of the extension column 10 leaves a certain gap with the surface of the detection tooling plate 1, avoiding the rotating disc 21 tightly adhering to the surface of the detection tooling plate 1, hindering the normal rotation of the rotating disc 21; when the detection is completed and the collection wire bundles 11 are wound, the rotating disc 21 is reversely rotated to drive the winding disc 9 to rotate with the extension column 10, the unwound collection wire bundles 11 are stored on the winding disc 9 again, the pressing heads 25 on both sides of the top of the extension column 10 are pressed again, and the extension column 10 is lifted upward by the rotating disc 21, so that the winding disc 9 rises, the limiting plug-in columns 26 at the bottom of the second springs 23 in the cavity 22 are parallel to the limiting plug-in slots 27, at this time the telescopic connecting column 20 is stored in the telescopic groove 18, then the pressing heads 25 are loosened, the second springs 23 connected to the inner side of the telescopic plates 24 pull the limiting plug-in columns 26 out of the cavity 22 by tension and plug them into the limiting plug-in slots 27, the rotation of the winding disc 9 and the extension column 10 is locked again to avoid the unwound extension column 10 on the winding disc 9 from being loose due to the unfixed winding disc 9.

[0029] Although the above describes the specific embodiments of the present application in order to enable those skilled in the art to understand the present application, the present application is not limited to the specific embodiments, and all the application creations utilizing the concept of the present application within the scope of the appended claims and the spirit and range of the present application are protected.

Claims

1. A new energy power battery pack voltage and temperature collection wiring harness detection tool, characterized in that: Include: The detection tool plate (1) is internally provided with an integrated circuit board (2), and two groups of receiving cavities (8) are opened on one side of the integrated circuit board (2) in the detection tool plate (1). The receiving cavity (8) is provided with a winding disc (9), the winding disc (9) is wound with a collection wire harness (11), two groups of collection wire harnesses (11) correspond to voltage detection and temperature detection respectively, one end of the collection wire harness (11) is connected with the communication head (12) arranged in the middle of the bottom of the winding disc (9), the other end of the collection wire harness (11) extends from the detection tool plate (1), the end of the collection wire harness (11) is connected with the probe group (14), the middle of the bottom of the communication head (12) is perpendicular to the middle of the winding disc (9), the middle of the bottom of the communication head (12) is connected with the connecting wire (13), and the other end of the connecting wire (13) is connected with one side of the integrated circuit board (2).

2. The new energy power battery pack voltage and temperature collection wiring harness detection tool according to claim 1, characterized in that: The integrated circuit board (2) is provided with a voltage detection module (3) and a voltage state display lamp group (4) at the same time, and the voltage detection module (3) and the voltage state display lamp group (4) extend out of the through hole opened on the top of the integrated circuit board (2) in the detection tool plate (1) at the same time.

3. The new energy power battery pack voltage and temperature collection wiring harness detection tool according to claim 2, characterized in that: The integrated circuit board (2) is provided with a voltage state display lamp group (4) on the parallel side of the voltage detection module (3), and the voltage state display lamp group (4) is provided with three groups of LED display lamps, which are yellow, green and red respectively. The voltage state display lamp group (4) extends out of the through hole opened on the top of the integrated circuit board (2) in the detection tool plate (1) at the same time.

4. The new energy power battery pack voltage and temperature collection wiring harness detection tool of claim 3, wherein: The integrated circuit board (2) is provided with a temperature state display lamp group (6) on the parallel side of the temperature detection module (5), and the temperature state display lamp group (6) is provided with three groups of LED display lamps at the same time, which are yellow, green and red respectively. The temperature state display lamp group (6) extends out of the through hole opened on the top of the integrated circuit board (2) in the detection tool plate (1) at the same time.

5. The new energy power battery pack voltage and temperature collection wiring harness detection tool according to claim 4, characterized in that: The top of the winding disc (9) is provided with a clamping ring (15), the clamping ring (15) clamps the connecting ring (16), the connecting ring (16) is rotatably connected with the clamping ring (15), the top of the connecting ring (16) is connected with a plurality of connecting columns (17), the middle of the connecting column (17) is provided with a telescopic slot (18), the telescopic slot (18) is inserted with a telescopic connecting column (20), and the top of the telescopic connecting column (20) is fixedly connected with the inner wall of the detection tool plate (1) on the top of the receiving cavity (8).

6. The new energy power battery pack voltage and temperature collection wiring harness detection tool of claim 5, wherein: The first spring (19) is arranged in the telescopic slot (18), the bottom of the first spring (19) is connected with the inner wall of the bottom of the telescopic slot (18), the top of the first spring (19) is connected with the telescopic connecting column (20), and the telescopic connecting column (20) can be telescopic in the telescopic slot (18) through the first spring (19).

7. The new energy power battery pack voltage and temperature collection wiring harness detection tool according to claim 6, characterized in that: The top of the extending column (10) is connected with a rotating disc (21), the inside of the extending column (10) is provided with a cavity (22), the two sides of the cavity (22) are provided with telescopic plates (24), and the inner sides of the two groups of telescopic plates (24) are connected through the second spring (23).

8. The new energy power battery pack voltage and temperature collection wiring harness detection tool according to claim 7, characterized in that: The outer top of the second spring (23) is provided with a pressing head (25), and the outer bottom of the second spring (23) is provided with a limiting plug-in column (26). The extension column (10) is provided with corresponding through holes at positions parallel to the pressing head (25) and the limiting plug-in column (26), so that the pressing head (25) and the limiting plug-in column (26) can extend out of the cavity (22).

9. The new energy power battery pack voltage and temperature collection wiring harness detection tool of claim 8, wherein: The detection tool plate (1) is provided with a plurality of groups of limiting plug-in slots (27) around the extension column (10) at the extension position. The limiting plug-in column (26) can be plugged into the limiting plug-in slot (27), so as to fix the extension column (10) and the upper and lower telescopic winding disc (9).

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