Battery pack nondestructive arc detection device

Abstract

The utility model discloses a lossless arc-shaped detection device for a battery pack, which comprises a workbench, a material area and a shielding test room are arranged on the workbench, and a conveying device is arranged between the material area and the shielding test room; a battery pack is stored in the material area; a scanning device is installed in the shielding test room and comprises a radiation source guide rail and a detector guide rail, and a detector is installed on the detector guide rail through an upper arc-shaped guide rail. A radiation source is mounted on the radiation source guide rail through a lower arc-shaped guide rail; the radiation source and the detector are oppositely arranged. According to the device, transfer of the battery pack is achieved through the conveying device, the battery pack is transferred into the shielding room to achieve image scanning, and unqualified parts in products can be automatically recognized and judged; the problem of internal condition detection after the battery pack is assembled is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of industrial non-destructive testing, in particular to a non-destructive arc detection device for a battery pack. Background Art

[0002] After the assembly of the new energy vehicle battery pack is completed, there may be problems such as assembly damage, loose bonding, and metal leakage inside. Due to the large size and high weight of the battery pack, the existing testing equipment cannot detect the existence of such problems, resulting in risky battery packs being installed on the car, which not only directly affects the safety of consumers' lives and property, but also causes reputation and property damage to the manufacturing companies.

[0003] Therefore, there is an urgent need to design a non-destructive arc detection device for a battery pack. Utility Model Content

[0004] The purpose of the utility model is to provide a non-destructive arc detection device for a battery pack to solve the problems existing in the above-mentioned prior art, to solve the difficulty of detecting the internal conditions of the battery pack after assembly, to avoid risky battery packs from flowing out of the production line, and to protect the interests of consumers and manufacturers.

[0005] To achieve the above purpose, the utility model provides the following solution: The utility model provides a battery pack non-destructive arc detection device, including:

[0006] A workbench, wherein a material area and a shielding test room are arranged on the workbench, and a conveying device is arranged between the material area and the shielding test room; battery packs are stored in the material area;

[0007] A scanning device is installed in the shielding test room, and the scanning device includes a ray source rail and a detector rail. The detector is installed on the detector rail through an upper arc rail; the ray source is installed on the ray source rail through a lower arc rail; the ray source and the detector are arranged facing each other.

[0008] The detector guide rail comprises two parallel detector X translation axes, on which the detector Y translation axis is slidably mounted; a sliding platform is slidably mounted on one side of the detector Y translation axis, the upper arc-shaped guide rail is fixedly mounted on the bottom of the sliding platform, a rack is fixedly mounted on the inner ring of the upper arc-shaped guide rail, and an annular protrusion is formed on the side wall, the rack is meshed with a gear on the mounting platform for transmission, and the detector is fixedly mounted on the mounting platform; the mounting platform is slidably mounted along the annular protrusion;

[0009] The upper arc-shaped guide rail and the lower arc-shaped guide rail have the same structure and are symmetrically arranged.

[0010] A servo motor is also fixedly mounted on the mounting platform, and the servo motor is transmission-connected to the turntable; the ray source / detector is rotatably mounted on the turntable.

[0011] The ray source guide rail comprises two parallel ray source X translation axes, on which a ray source Y translation axis is slidably mounted; on which the lower arc guide rail is slidably mounted; the two ray source X translation axes are arranged inside the two detector X translation axes.

[0012] The conveying device comprises a lifting frame and a carrying frame, wherein the lifting frame is slidably mounted on the bottom of the translation frame, and the translation frame is used to move the battery pack to the carrying frame through the lifting frame;

[0013] The bearing frame is arranged on a chain conveyor. Two chain conveyors are arranged. One chain conveyor is arranged outside the shielding test room, and the other chain conveyor is placed inside the shielding test room and above the radiation source.

[0014] The ray source is placed below the supporting frame, and a high voltage generator and a cooler connected to the ray source are also installed on the sliding platform of the Y translation axis of the ray source.

[0015] A first electric control box is also installed on the workbench, and the first electric control box is used to control the movement of the ray source and the detector.

[0016] A second electric control box is also installed on the workbench, and the second electric control box is used to control the movement of the conveying device.

[0017] The detector is an X-ray receiving device.

[0018] The utility model discloses the following technical effects: the device realizes the transfer of battery packs through a conveying device, transfers the battery packs to a shielding room for image scanning, and can automatically identify and judge unqualified parts in the product; and solves the problem of detecting the internal conditions of the battery pack after assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0020] Figure 1 This is a schematic diagram of the overall structure of the device;

[0021] Figure 2This is a schematic diagram of the scanning device structure of the device;

[0022] Figure 3 This is an enlarged schematic diagram of the local structure of the scanning device of the device;

[0023] Among them, 1. workbench; 2. material area; 3. battery pack; 4. lifting frame; 5. translation frame; 6. load-bearing frame; 7. chain conveyor; 8. shielding test room; 9. scanning device; 10. first electric control box; 11. second electric control box; 91. detector X translation axis; 92. detector Y translation axis; 93. ray source; 94. upper arc guide rail; 95. sliding platform; 96. rack; 97. mounting platform; 98. lower arc guide rail; 99. detector; 910. turntable; 911. ray source X translation axis; 912. ray source Y translation axis. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0026] The utility model provides a non-destructive arc detection device for a battery pack, comprising:

[0027] A workbench 1 is provided with a material area 2 and a shielding test room 8, and a conveying device is provided between the material area 2 and the shielding test room 8; a battery pack 3 is stored in the material area 2;

[0028] A scanning device 9 is installed in the shielding test room 8. The scanning device 9 includes a ray source rail and a detector rail. A detector 99 is installed on the detector rail through an upper arc rail 94; a ray source 93 is installed on the ray source rail through a lower arc rail 98; the ray source 93 and the detector 99 are arranged opposite to each other.

[0029] The detector guide rail includes two parallel detector X translation axes 91, on which a detector Y translation axis 92 is slidably mounted; a sliding platform 95 is slidably mounted on one side of the detector Y translation axis 92, an upper arc-shaped guide rail 94 is fixedly mounted on the bottom of the sliding platform 95, a rack 96 is fixedly mounted on the inner ring of the upper arc-shaped guide rail 94, and an annular protrusion is formed on the side wall, the rack 96 is meshed with a gear on a mounting platform 97 for transmission, and a detector 99 is fixedly mounted on the mounting platform 97; the mounting platform 97 is slidably arranged along the annular protrusion;

[0030] The upper arc-shaped guide rail 94 and the lower arc-shaped guide rail 98 have the same structure and are symmetrically arranged.

[0031] A servo motor is also fixedly mounted on the mounting platform 97, and the servo motor is in driving connection with the turntable 910; the ray source 93 / detector 99 is rotatably mounted on the turntable 910. The ray source guide rail includes two parallel ray source X translation axes 911, on which a ray source Y translation axis 912 is slidably mounted; a lower arc guide rail 98 is slidably mounted on the ray source Y translation axis 912; the two ray source X translation axes 911 are arranged inside the two detector X translation axes 91.

[0032] The conveying device includes a lifting frame 4 and a carrying frame 6. The lifting frame 4 is slidably mounted on the bottom of the translation frame 5. The translation frame 5 is used to move the battery pack 3 to the carrying frame 6 through the lifting frame 4.

[0033] The supporting frame 6 is disposed on a chain conveyor 7 . Two chain conveyors 7 are disposed. One chain conveyor 7 is disposed outside the shielding test room 8 , and the other chain conveyor 7 is disposed inside the shielding test room 8 and above the radiation source 93 .

[0034] The ray source 93 is placed below the supporting frame 6 , and a high voltage generator and a cooler connected to the ray source 93 are also installed on the sliding platform 95 of the ray source Y translation axis 912 .

[0035] A first electric control box 10 is also installed on the workbench 1 , and the first electric control box 10 is used to control the movement of the radiation source 93 and the detector 99 .

[0036] A second electric control box 11 is also installed on the workbench 1, and the second electric control box 11 is used to control the movement of the conveying device.

[0037] The detector 99 is an X-ray receiving device.

[0038] In one embodiment of the utility model, a battery pack 3 for testing is placed in the material area 2. The second electric control box 11 controls the translation frame 5 to move the battery pack 3 from the material area to the supporting frame 6. The lifting frame 4 provided on the translation frame 5 is used to grab the battery pack 3. After the battery pack 3 is placed on the supporting frame 6, the battery pack 3 is transported to the shielded test room 8 for testing via the chain conveyor 7.

[0039] In one embodiment of the utility model, the first electric control box 10 controls the movement of the X-translation axis 911 of the ray source, the Y-translation axis 912 of the ray source, the X-translation axis 91 of the detector, and the sliding platforms on the Y-translation axis 912 of the ray source and the Y-translation axis 91 of the detector move the detector 99 and the ray source 93 to be relative to each other, and the upper arc guide rail 94 and the lower arc guide rail 98 provided on the sliding platform 95 are connected to the mounting platform 97 through the rack 96 transmission; the turntable 910 on the mounting platform 97 realizes the swinging action through the control of the servo motor to cooperate with different X-ray irradiation angles during image acquisition.

[0040] In one embodiment of the utility model, the lifting frame 4 is composed of an electric hoist and a fixed frame. The fixed frame mounts and fixes the battery pack firmly, and the electric hoist lifts the fixed frame and the battery pack.

[0041] In one embodiment of the present invention, the test shielding room 8 can shield X-rays during testing to protect the environment and human health.

[0042] In one embodiment of the utility model, the ray source X translation axis 911, the ray source Y translation axis 912, the detector X translation axis 91, the detector Y translation axis 92 and the translation frame 5 are all composed of a frame structure and a gear rack motion structure; the gear rack motion structure is composed of a gear rack motion pair, a reducer, and a servo motor.

[0043] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0044] The embodiments described above are only descriptions of the preferred methods of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should fall within the protection scope determined by the claims of the present invention.

Claims

1. A non-destructive arc detection device for a battery pack, characterized in that: include: A workbench (1), wherein a material area (2) and a shielding test room (8) are arranged on the workbench (1), and a conveying device is arranged between the material area (2) and the shielding test room (8); a battery pack (3) is stored in the material area (2); A scanning device (9) is installed in the shielded test room (8), and the scanning device (9) comprises a ray source guide rail and a detector guide rail. A detector (99) is installed on the detector guide rail via an upper arc-shaped guide rail (94); the ray source (93) is installed on the ray source guide rail via a lower arc-shaped guide rail (98); and the ray source (93) and the detector (99) are arranged facing each other.

2. A battery pack non-destructive arc detection device according to claim 1, characterized in that: The detector guide rail comprises two detector X translation axes (91) arranged in parallel, and a detector Y translation axis (92) is slidably mounted on the detector X translation axis (91); a sliding platform (95) is slidably mounted on one side of the detector Y translation axis (92), and the upper arc-shaped guide rail (94) is fixedly mounted on the bottom of the sliding platform (95); a rack (96) is fixedly mounted on the inner ring of the upper arc-shaped guide rail (94), and a side wall is formed with an annular protrusion, the rack (96) is meshed with a gear on a mounting platform (97) for transmission, and the detector (99) is fixedly mounted on the mounting platform (97); the mounting platform (97) is slidably mounted along the annular protrusion; The upper arc-shaped guide rail (94) and the lower arc-shaped guide rail (98) have the same structure and are symmetrically arranged.

3. A battery pack non-destructive arc detection device according to claim 2, characterized in that: A servo motor is also fixedly mounted on the mounting platform (97), and the servo motor is drivingly connected to the turntable (910); the ray source (93) and the detector (99) are rotatably mounted on the turntable (910).

4. A battery pack non-destructive arc detection device according to claim 2, characterized in that: The ray source guide rail comprises two parallel ray source X translation axes (911), on which a ray source Y translation axis (912) is slidably mounted; the ray source Y translation axis (912) is slidably mounted on the ray source Y translation axis (912); the lower arc-shaped guide rail (98) is slidably mounted; and the two ray source X translation axes (911) are arranged inside the two detector X translation axes (91).

5. A battery pack non-destructive arc detection device according to claim 4, characterized in that: The conveying device comprises a lifting frame (4), a translation frame (5) and a carrying frame (6), wherein the lifting frame (4) is slidably mounted on the bottom of the translation frame (5), and the translation frame (5) is used to move the battery pack (3) to the carrying frame (6) via the lifting frame (4); The supporting frame (6) is arranged on a chain conveyor (7), and two chain conveyors (7) are arranged, one of the chain conveyors (7) is arranged outside the shielding test room (8), and the other chain conveyor (7) is placed inside the shielding test room (8) and located above the radiation source (93).

6. A battery pack non-destructive arc detection device according to claim 5, characterized in that: The ray source (93) is placed below the supporting frame (6), and a high-voltage generator and a cooler connected to the ray source (93) are also installed on the sliding platform (95) of the ray source Y translation axis (912).

7. The battery pack non-destructive arc detection device according to claim 1, characterized in that: A first electric control box (10) is also installed on the workbench (1), and the first electric control box (10) is used to control the movement of the radiation source (93) and the detector (99).

8. The battery pack non-destructive arc detection device according to claim 1, characterized in that: A second electric control box (11) is also installed on the workbench (1), and the second electric control box (11) is used to control the movement of the conveying device.

9. The battery pack non-destructive arc detection device according to claim 1, characterized in that: The detector (99) is an X-ray receiving device.

Images