New energy automobile battery tray airtightness detection equipment

Abstract

The utility model discloses a new energy automobile battery tray airtightness detection device, which comprises a detection machine body, the inside of the detection machine body is fixedly connected with a fixing frame, the inner wall of the detection machine body is provided with a tray, and one side of the detection machine body is fixedly connected with a control panel. Through the arrangement of the detection seat and the positioning plate, a hydraulic rod is controlled to operate to position and connect the tray, the position of the detection seat is adjusted and fixed, then a first screw rod is rotated to drive a detection head to be inserted into the inner wall of a wire inlet, meanwhile, a sealing gasket is pushed to be tightly attached to the outer side of the wire inlet, effective sealing is conducted, and then an air pump is controlled to operate; the interior of the tray is vacuumized, and meanwhile, the detection head detects the internal air pressure in real time and transmits the air pressure to the control panel in real time, so that the wire inlets of different sizes can be quickly and hermetically connected and detected, the burden of workers is effectively reduced, the detection efficiency and quality are improved, the detection versatility is improved, and the equipment practicability is enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of new energy vehicle detection, in particular to an airtightness detection device for a battery tray of a new energy vehicle. Background Art

[0002] With the continuous development of society, people are using more and more cars. Traditional cars are highly polluting, and new energy vehicles are developing faster and faster. The battery pack is the main source of power for new energy vehicles. New energy battery packs will leak during use. Therefore, it is necessary to test the air tightness of the battery pack during the production process to prevent the battery pack from short-circuiting due to leakage and water seepage. There are waterproof protection level requirements for new energy battery packs. After the whole pack is assembled, the air tightness of the battery pack needs to be tested. The air tightness of the battery pack directly affects the safety of the car, and has very high requirements for the entire air tightness detection system.

[0003] According to the announcement number "CN 216144478 U", a new energy vehicle battery tray quick-change tooling airtightness detection equipment is disclosed. This device can make up for the shortcomings of the existing technology, thereby preventing the situation where fixing errors lead to erroneous airtightness detection results and affect the detection quality.

[0004] However, the airtightness detection equipment for battery trays of new energy vehicles currently in use usually connects the tray by pressing, and then inserts the detection head through the line port for detection. However, for line ports of different sizes, corresponding detection heads are usually required for sealing connections, which not only requires time-consuming and labor-intensive replacement but also requires the preparation of a large number of detection heads of different specifications, increasing the detection cost. Utility Model Content

[0005] The purpose of the utility model is to provide an airtight detection device for a battery tray of a new energy vehicle, so as to solve the problem that the airtight detection device for a battery tray of a new energy vehicle currently used in the above-mentioned background technology usually connects the tray by pressing, and then inserts the detection head into the interior through the circuit port for detection. However, for circuit ports of different sizes, corresponding detection heads are usually required for sealing connection, which not only requires time-consuming and laborious replacement but also requires preparation of a large number of detection heads of different specifications, thereby increasing the detection cost.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a new energy vehicle battery tray airtightness detection device, comprising a detection body, a fixed frame is fixedly connected to the inside of the detection body, a tray is placed on the inner wall of the detection body, a control panel is fixedly connected to one side of the detection body, a sealing cover is slidably connected to one side of the detection body, a rubber pad is fixedly connected to one side of the sealing cover, a hydraulic rod is fixedly connected to the top of the fixed frame, a sliding groove is provided at the bottom end of the fixed frame, a positioning plate is slidably connected to the inner wall of the sliding groove, the top of the positioning plate is fixedly connected to the output end of the hydraulic rod, a sealing block is fixedly connected to one end of the positioning plate, an adjustment groove is provided on one side of the sealing block, a detection seat is slidably connected to the inner wall of the adjustment groove, a groove is provided on the upper surface of the sealing block, a limiting slide groove is provided on the inner side of the detection seat, a sealing rod is slidably connected to the inner wall of the limiting slide groove, a sealing pad is fixedly connected to the outer side of one end of the sealing rod, and a detection head is fixedly connected to the inner side of one end of the sealing rod.

[0007] Preferably, a connecting wire tube is fixedly connected to the top end of the sealing rod, the connecting wire tube is connected to the detection head, and a pressure gauge is fixedly connected to the top end of the detection body.

[0008] Preferably, an air pump is fixedly connected to the top of the detection body, a fixed screw is rotatably connected to one side of the detection body, a slide groove is provided on the inner side of the detection body, a fixed block is slidably connected to the inner wall of the slide groove, and the fixed block is connected to the fixed screw by a threaded sleeve.

[0009] Preferably, a wire inlet is provided on one side of the pallet, the hydraulic rod is electrically connected to the control panel, and the pressure gauge is electrically connected to the control panel.

[0010] Preferably, the air pump is electrically connected to the control panel, the connecting wire tube is electrically connected to the control panel, and one end of the connecting wire tube is fixedly connected to the output end of the air pump.

[0011] Preferably, a first latching tooth is fixedly connected to the inner wall of the adjusting groove, a limiting groove is provided on one side of the detecting seat, and a second latching tooth is slidably connected to the inner wall of the limiting groove.

[0012] Preferably, a spring is fixedly connected to the inner wall of the limiting groove, one end of the spring is fixedly connected to one side of the limiting groove, and the first latching tooth and the second latching tooth are engaged with each other.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. This utility model positions and connects the pallet by setting the detection seat and the positioning plate, adjusts and fixes the position of the detection seat, and then drives the detection head to insert into the inner wall of the line inlet by rotating the first screw, and at the same time pushes the sealing gasket to close to the outer side of the line inlet for effective sealing. Then, the air pump is controlled to operate to vacuum the inside of the pallet, and at the same time, the detection head detects the internal air pressure in real time and transmits it to the control panel in real time, so as to facilitate the rapid sealing connection and detection of line inlets of different sizes, effectively reduce the burden on staff, improve the efficiency and quality of detection, improve the versatility of detection, and enhance the practicality of equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the internal structure of the utility model;

[0017] Figure 3 It is a schematic diagram of the local structure of the fixing frame of the utility model;

[0018] Figure 4 This is a schematic diagram of the detection head structure of the utility model;

[0019] Figure 5 For the utility model Figure 3 Schematic diagram of the structure at point A.

[0020] In the figure: 1. detection body; 2. fixing frame; 3. tray; 4. control panel; 5. sealing cover; 6. rubber pad; 7. fixing screw rod; 8. slide groove; 9. fixing block; 10. pressure gauge; 11. air pump; 12. hydraulic rod; 13. slide groove; 14. positioning plate; 15. line inlet; 16. sealing block; 17. adjustment groove; 18. detection seat; 19. groove; 20. first latch tooth; 21. first screw rod; 22. limit groove; 23. spring; 24. second latch tooth; 25. limit slide groove; 26. sealing rod; 27. connecting wire tube; 28. sealing pad; 29. ​​detection head. DETAILED DESCRIPTION

[0021] 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.

[0022] See also Figure 1-5The utility model provides a technical solution: a new energy vehicle battery tray airtightness detection device, comprising a detection body 1, a fixing frame 2 is fixedly connected to the inside of the detection body 1, a tray 3 is placed on the inner wall of the detection body 1, a control panel 4 is fixedly connected to one side of the detection body 1, a sealing cover 5 is slidably connected to one side of the detection body 1, a rubber pad 6 is fixedly connected to one side of the sealing cover 5, a hydraulic rod 12 is fixedly connected to the top of the fixing frame 2, a sliding groove 13 is provided at the bottom end of the fixing frame 2, and a positioning plate 1 is slidably connected to the inner wall of the sliding groove 13 4. The top of the positioning plate 14 is fixedly connected to the output end of the hydraulic rod 12. A sealing block 16 is fixedly connected to one end of the positioning plate 14. An adjusting groove 17 is provided on one side of the sealing block 16. A detection seat 18 is slidably connected to the inner wall of the adjusting groove 17. A groove 19 is provided on the upper surface of the sealing block 16. A limiting slide 25 is provided on the inner side of the detection seat 18. A sealing rod 26 is slidably connected to the inner wall of the limiting slide 25. A sealing pad 28 is fixedly connected to the outer side of one end of the sealing rod 26. A detection head 29 is fixedly connected to the inner side of one end of the sealing rod 26. When the tray 3 is placed at the bottom end of the positioning plate 14, the positioning plate 14 is driven downward by controlling the hydraulic rod 12 to position and connect the tray 3. At this time, according to the position of the wire inlet 15, the second latch 24 is pushed to disengage from the first latch 20, thereby pushing the detection seat 18 to slide on the inner wall of the adjustment groove 17, so that the height of the detection seat 18 matches the wire inlet 15. At this time, the second latch 24 is released, and the first latch 20 is engaged with the spring 23 to fix the position of the detection seat 18. By rotating the first screw rod 21, the sealing rod 26 is driven to slide on the inner wall of the limiting slide groove 25, thereby pushing the detection head 29 to insert into the inner wall of the wire inlet 15, and at the same time pushing the sealing gasket 28 to close to the outer side of the wire inlet 15 for effective sealing. Then the air pump 11 is controlled to operate to vacuum the inside of the tray 3. At the same time, the detection head 29 detects the internal air pressure in real time and transmits it to the control panel 4 in real time, so as to facilitate the rapid sealing connection and detection of wire inlets 15 of different sizes, improve the versatility and efficiency of detection, and enhance the practicality of the equipment.

[0023] The top of the sealing rod 26 is fixedly connected with a connecting wire tube 27, and the connecting wire tube 27 is connected to the detection head 29. The top of the detection body 1 is fixedly connected with a pressure gauge 10, and the top of the detection body 1 is fixedly connected with an air pump 11. One side of the detection body 1 is rotatably connected with a fixed screw 7. A slide groove 8 is provided on the inner side of the detection body 1. The inner wall of the slide groove 8 is slidably connected with a fixed block 9, and the fixed block 9 is connected to the fixed screw 7 through a threaded sleeve.

[0024] A wire inlet 15 is provided on one side of the tray 3, the hydraulic rod 12 is electrically connected to the control panel 4, the pressure gauge 10 is electrically connected to the control panel 4, the air pump 11 is electrically connected to the control panel 4, the connecting wire pipe 27 is electrically connected to the control panel 4, and one end of the connecting wire pipe 27 is fixedly connected to the output end of the air pump 11.

[0025] A first latch tooth 20 is fixedly connected to the inner wall of the adjustment groove 17, a limiting groove 22 is provided on one side of the detection seat 18, a second latch tooth 24 is slidably connected to the inner wall of the limiting groove 22, a spring 23 is fixedly connected to the inner wall of the limiting groove 22, one end of the spring 23 is fixedly connected to one side of the limiting groove 22, and the first latch tooth 20 and the second latch tooth 24 are engaged with each other.

[0026] Working principle: When in use, the staff places the tray 3 at the bottom end of the positioning plate 14, and then controls the hydraulic rod 12 to drive the positioning plate 14 to move downward to position and connect the tray 3. At this time, according to the position of the wire inlet 15, the second latch 24 is pushed to disengage from the first latch 20, thereby pushing the detection seat 18 to slide on the inner wall of the adjustment groove 17, so that the height of the detection seat 18 matches the wire inlet 15. At this time, the second latch 24 is released, and under the action of the spring 23, it is engaged with the first latch 20 to fix the position of the detection seat 18, and then the detection seat 18 is fixed. By rotating the first screw 21, the sealing rod 26 is driven to slide on the inner wall of the limiting slide groove 25, thereby pushing the detection head 29 to insert into the inner wall of the wire inlet 15, and at the same time pushing the sealing gasket 28 to close to the outer side of the wire inlet 15 for effective sealing. Then the air pump 11 is controlled to operate to vacuum the inside of the tray 3. At the same time, the detection head 29 detects the internal air pressure in real time and transmits it to the control panel 4 in real time, so as to facilitate the rapid sealing connection and detection of wire inlets 15 of different sizes, improve the versatility and efficiency of detection, and enhance the practicality of the equipment, thus completing the use process of the entire structure.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A new energy vehicle battery tray airtightness detection device, comprising a detection body (1), characterized in that: The interior of the detection body (1) is fixedly connected to a fixing frame (2), the inner wall of the detection body (1) is provided with a tray (3), one side of the detection body (1) is fixedly connected to a control panel (4), one side of the detection body (1) is slidably connected to a sealing cover (5), one side of the sealing cover (5) is fixedly connected to a rubber pad (6), the top end of the fixing frame (2) is fixedly connected to a hydraulic rod (12), the bottom end of the fixing frame (2) is provided with a sliding groove (13), the inner wall of the sliding groove (13) is slidably connected to a positioning plate (14), the top end of the positioning plate (14) is in contact with the hydraulic rod (12) The output end of the positioning plate (14) is fixedly connected, one end of the positioning plate (14) is fixedly connected to a sealing block (16), one side of the sealing block (16) is provided with an adjusting groove (17), the inner wall of the adjusting groove (17) is slidably connected to a detection seat (18), the upper surface of the sealing block (16) is provided with a groove (19), the inner side of the detection seat (18) is provided with a limiting sliding groove (25), the inner wall of the limiting sliding groove (25) is slidably connected to a sealing rod (26), the outer side of one end of the sealing rod (26) is fixedly connected to a sealing pad (28), and the inner side of one end of the sealing rod (26) is fixedly connected to a detection head (29).

2. According to claim 1, a new energy vehicle battery tray airtightness detection device is characterized in that: The top end of the sealing rod (26) is fixedly connected to a connecting wire tube (27), the connecting wire tube (27) and the detection head (29) are connected to each other, and the top end of the detection body (1) is fixedly connected to a pressure gauge (10).

3. The air tightness detection device for a battery tray of a new energy vehicle according to claim 2 is characterized in that: The top of the detection body (1) is fixedly connected to an air pump (11), one side of the detection body (1) is rotatably connected to a fixed screw rod (7), a slide groove (8) is provided on the inner side of the detection body (1), a fixed block (9) is slidably connected to the inner wall of the slide groove (8), and the fixed block (9) is connected to the fixed screw rod (7) by a threaded sleeve.

4. The air tightness detection device for a battery tray of a new energy vehicle according to claim 3 is characterized in that: A wire inlet (15) is provided on one side of the tray (3); the hydraulic rod (12) is electrically connected to the control panel (4); and the pressure gauge (10) is electrically connected to the control panel (4).

5. The air tightness detection device for a battery tray of a new energy vehicle according to claim 4 is characterized in that: The air pump (11) is electrically connected to the control panel (4), the connecting wire tube (27) is electrically connected to the control panel (4), and one end of the connecting wire tube (27) is fixedly connected to the output end of the air pump (11).

6. The air tightness detection device for a battery tray of a new energy vehicle according to claim 1 is characterized in that: The inner wall of the adjustment groove (17) is fixedly connected with a first latch tooth (20), one side of the detection seat (18) is provided with a limit groove (22), and the inner wall of the limit groove (22) is slidably connected with a second latch tooth (24).

7. The air tightness detection device for a battery tray of a new energy vehicle according to claim 6 is characterized in that: A spring (23) is fixedly connected to the inner wall of the limiting groove (22), one end of the spring (23) is fixedly connected to one side of the limiting groove (22), and the first latching tooth (20) and the second latching tooth (24) are engaged with each other.

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