Nondestructive testing device for battery pack

Abstract

The utility model discloses a nondestructive testing device for a battery pack, which comprises a working table, a material area and a shielding test room are arranged on the working table, 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 radiation source is installed on the radiation source guide rail through a rotary table. A detector is mounted on the detector guide rail; the radiation source and the detector are oppositely arranged. According to the device, the transfer of the battery pack is realized through the conveying device, the battery pack is transferred into the shielding room to realize image scanning, and unqualified parts in a product can be automatically identified and judged.

Description

Technical Field

[0001] The utility model relates to the technical field of industrial non-destructive testing, in particular to a battery pack non-destructive testing device. 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 nondestructive testing device for battery packs. Utility Model Content

[0004] The purpose of the utility model is to provide a battery pack non-destructive testing device 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-mentioned purpose, the present invention provides the following solutions: The present invention provides a battery pack nondestructive testing device, comprising:

[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. The scanning device includes a ray source guide rail and a detector guide rail. The ray source is installed on the ray source guide rail through a turntable; the detector is installed on the detector guide rail; the ray source and the detector are arranged facing each other.

[0008] The ray source guide rail includes two parallel ray source X translation axes, on which a ray source Y translation axis is slidably mounted; a sliding platform is slidably mounted on one side of the ray source Y translation axis, and a mounting seat is fixedly mounted on the other side; a servo motor is also fixedly mounted on the sliding platform, and the servo motor is transmission-connected to the turntable.

[0009] A high voltage generator and a cooler connected to the ray source are installed on the mounting seat.

[0010] The detector guide rail comprises two parallel detector X translation axes, on which a detector Y translation axis is slidably mounted; the detector Y translation axis is slidably mounted with the detector; the two detector X translation axes are arranged inside the two ray source X translation axes.

[0011] 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;

[0012] The bearing frame is arranged on a chain conveyor, and two chain conveyors are arranged, one of which is arranged outside the shielding test room, and the other is arranged inside the shielding test room and below the radiation source. The detector is arranged below the bearing frame.

[0013] 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.

[0014] 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.

[0015] The detector is an X-ray receiving device.

[0016] 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

[0017] 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.

[0018] Figure 1 This is a schematic diagram of the overall structure of the device;

[0019] Figure 2 This is a schematic diagram of the scanning device structure of the device;

[0020] Figure 3 This is an enlarged schematic diagram of the local structure of the scanning device of the device;

[0021] 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. X translation axis of ray source; 92. Y translation axis of ray source; 93. ray source; 94. turntable; 95. sliding platform; 96. Y translation axis of detector; 97. mounting seat; 98. detector; 99. X translation axis of detector. DETAILED DESCRIPTION

[0022] 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.

[0023] 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.

[0024] The utility model provides a battery pack nondestructive testing device, comprising:

[0025] 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;

[0026] 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 ray source 93 is installed on the ray source rail via a turntable 94; a detector 98 is installed on the detector rail; and the ray source 93 and the detector are arranged opposite to each other.

[0027] The ray source guide rail includes two parallel ray source X translation axes 91, on which a ray source Y translation axis 92 is slidably mounted; a sliding platform 95 is slidably mounted on one side of the ray source Y translation axis 92, and a mounting seat 97 is fixedly mounted on the other side; a servo motor is also fixedly mounted on the sliding platform 95, and the servo motor is transmission-connected to the turntable 94.

[0028] A high voltage generator and a cooler connected to the radiation source 93 are mounted on the mounting base 97 .

[0029] The detector guide rail includes two parallel detector X translation axes 99 , on which a detector Y translation axis 96 is slidably mounted; a detector 98 is slidably mounted on the detector Y translation axis 96 ; the two detector X translation axes 99 are arranged inside the two ray source X translation axes 91 .

[0030] 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.

[0031] 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 below the radiation source 93 .

[0032] The detector 98 is placed below the supporting frame 6 .

[0033] 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 98 .

[0034] 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.

[0035] The detector 98 is an X-ray receiving device.

[0036] 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.

[0037] In one embodiment of the utility model, the first electrical control box 10 controls the movement of the detector X translation axis 99, the detector Y translation axis 96, the radiation source X translation axis 91 and the radiation source Y translation axis 92 to adjust the position of the detector 98 and the radiation source 93, thereby realizing a comprehensive scan of the battery pack 3; the radiation source 93 is installed on a turntable 94, and the swinging motion is realized by the control of the servo motor to cooperate with different X-ray irradiation angles during image acquisition.

[0038] 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.

[0039] 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.

[0040] In one embodiment of the utility model, the ray source X translation axis 91, the ray source Y translation axis 92, the detector Y translation axis 96, the detector X translation axis 99, 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.

[0041] 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.

[0042] 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 nondestructive testing 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 ray source (93) is installed on the ray source guide rail via a turntable (94); the detector (98) is installed on the detector guide rail; and the ray source (93) and the detector (98) are arranged opposite to each other.

2. A battery pack nondestructive testing device according to claim 1, characterized in that: The ray source guide rail comprises two parallel ray source X translation axes (91), on which a ray source Y translation axis (92) is slidably mounted; a sliding platform (95) is slidably mounted on one side of the ray source Y translation axis (92), and a mounting seat (97) is fixedly mounted on the other side; a servo motor is also fixedly mounted on the sliding platform (95), and the servo motor is drivingly connected to the turntable (94).

3. A battery pack nondestructive testing device according to claim 2, characterized in that: A high voltage generator and a cooler connected to the radiation source (93) are mounted on the mounting seat (97).

4. A nondestructive testing device for a battery pack according to claim 1, characterized in that: The detector guide rail comprises two detector X translation axes (99) arranged in parallel, on which a detector Y translation axis (96) is slidably mounted; on which the detector Y translation axis (96) is slidably mounted the detector (98); the two detector X translation axes (99) are arranged inside the two ray source X translation axes (91).

5. The nondestructive testing device for a battery pack according to claim 1, characterized in that: The conveying device comprises a lifting frame (4) and a carrying frame (6), wherein the lifting frame (4) is slidably mounted on the bottom of a 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 below the radiation source (93).

6. A battery pack nondestructive testing device according to claim 5, characterized in that: The detector (98) is placed below the supporting frame (6).

7. The nondestructive testing device for a battery pack 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 (98).

8. The nondestructive testing device for a battery pack 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. A battery pack nondestructive testing device according to claim 1, characterized in that: The detector (98) is an X-ray receiving device.

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