Air tightness detection device for battery cover plate

Abstract

The utility model provides a battery cover plate airtightness detection device, which relates to the technical field of battery sealing detection, and comprises a frame body, a tray is clamped at the upper end of the frame body, a battery is placed on the tray, a battery cover plate covers the battery in a sealing manner, a detection module is arranged on the side surface of the frame body, and the detection module comprises an air pump. The output end of the air pump is communicated with a magnetic suction cover, the magnetic suction cover is adsorbed on the side surface of the battery and seals and covers a pressure relief valve of the battery, and the magnetic force of the magnetic suction cover adsorbs the pressure relief valve to enable the pressure relief valve to be in an open state. The magnetic force of the magnetic cover attracts the valve core of the pressure relief valve to ensure the communication between the inside and the outside of the battery, then the air pump is opened to inflate the inside of the battery, the air pressure in the battery is monitored through the air pressure gauge on the air pump, and whether the air pressure in the battery is reduced is observed after air inflation of the air pump is stopped to judge whether the battery leaks air.

Description

Technical Field

[0001] The utility model relates to the technical field of battery sealing detection, in particular to a battery cover airtightness detection device. Background Art

[0002] Battery boxes have high requirements for airtightness testing. The inner cavity of the product must be completely sealed. If cracks or side leakage occur, it will seriously affect the service life of the product and cause safety hazards. Therefore, it is necessary to design a device that can accurately detect airtightness based on the airtightness requirements put forward by customers to ensure that the product is qualified when shipped.

[0003] The inventors found in their daily work that the current testing of the battery cover's sealing is to check whether the surface is intact after the cover is processed, so as to determine whether there is a sealing problem between the battery cover and the battery after installation. However, after the battery cover is assembled with the battery, there is still uneven application of the sealant, resulting in air leakage. Utility Model Content

[0004] The technical problem to be solved by the utility model is: to detect whether the surface of the cover plate is intact after it is processed, so as to judge whether the sealing between the battery cover plate and the battery is not accurate after installation.

[0005] The technical solution adopted by the utility model to solve its technical problems is: a battery cover airtightness detection device, including a frame, a tray is clamped on the upper end of the frame, wherein the battery is placed on the tray, and the battery cover is sealed on the battery, and a detection module is provided on the side of the frame, and the detection module includes an air pump, and the output end of the air pump is connected to a magnetic cover, and the magnetic cover is adsorbed on the side of the battery and seals the pressure relief valve of the battery, wherein the magnetic force of the magnetic cover adsorbs the pressure relief valve to allow the pressure relief valve to be opened.

[0006] The effect achieved by the above components is: clamp the tray on the upper end of the frame, place the battery on the upper end of the tray, and then place the battery cover to be tested on the battery for installation, seal the magnetic cover on the side of the battery, and cover the pressure relief valve on the side of the battery. The magnetic force of the magnetic cover attracts the valve core of the pressure relief valve to ensure communication between the inside and outside of the battery, and then turn on the air pump to inflate the battery. Monitor the internal air pressure of the battery through the pressure gauge on the air pump, stop the air pump to inflate and observe whether the internal air pressure of the battery drops to determine whether the battery is leaking.

[0007] Preferably, a lifting mechanism is provided on the side of the pallet, wherein the lifting mechanism includes a sliding arm sliding on the side of the pallet, a storage groove is provided at the upper end of the sliding arm, a rotating arm is rotatably connected inside the storage groove, a lifting rope is tied to the end of the lifting rope, and a hook is fixedly connected to the end of the lifting rope.

[0008] The effect achieved by the above components is: when it is necessary to detect whether the battery cover installed on the battery is leaking, the battery can be placed on the tray first, and then the sliding arms at the four corners of the tray are pulled out, and then the rotating arms are rotated upward to tie the lifting rope to the rotating arms, and then the whole is lifted up on the hook through the crane hook, thereby achieving the effect of quickly transporting the battery to test the sealing of the battery cover.

[0009] Preferably, the surface of the hook is fixedly connected to a mounting plate, a slip ring is provided below the mounting plate, wherein the slip ring is sleeved on the surface of the lifting rope, a threaded rod is inserted into the internal thread of the mounting plate, wherein the bottom of the threaded rod is rotatably connected to the slip ring.

[0010] The effect achieved by the above components is: before lifting, the threaded rod is rotated, the threaded rod presses the slip ring downward, and the slip ring is used to tighten each lifting rope, thereby ensuring that the four rotating arms are clamped on the battery.

[0011] Preferably, the end of the sliding arm located inside the tray is fixedly connected to a spring, and the other end of the spring is fixedly connected to the tray.

[0012] The effect achieved by the above components is that the function of the spring is to pull the slide arm back into the tray when the battery does not need to be lifted.

[0013] Preferably, a slide rail is provided on the back of the air pump, wherein the inner cavity of the slide rail is slidably connected to two sliders, wherein the surface difference of the hose to which the rope is clamped at the output end of the air pump is crossed and extends downward, the surfaces of the two sliders are clamped to the two ends of the rope, and the hose connects the air pump and the magnetic cover.

[0014] Preferably, the internal thread of the slider passes through a screw rod, wherein the thread directions of the screw rod and the threaded connection of the two sliders are opposite.

[0015] The effect achieved by the above components is: the hose is inserted into the pipe outlet of the air pump, and the screw rod is rotated to drive the two sliders away from each other to pull the rope, so that the rope is tightened on the surface of the hose, and then the hose is fixed to the pipe outlet of the air pump to prevent it from falling off.

[0016] Preferably, a groove is provided on the surface of the slider, wherein the rope is inserted into the groove, and a bolt is threadedly inserted into the side surface of the slider, and one end of the bolt rests on the surface of the rope.

[0017] The effect achieved by the above components is that the rope is fixed in the groove on the surface of the slider by tightening the bolt.

[0018] The beneficial effects of the utility model are:

[0019] Clamp the tray to the upper end of the frame, place the battery on the upper end of the tray, and then place the battery cover to be tested on the battery for installation. Seal the magnetic cover on the side of the battery and cover the pressure relief valve on the side of the battery. The magnetic force of the magnetic cover attracts the valve core of the pressure relief valve to ensure the connection between the inside and outside of the battery. Then turn on the air pump to inflate the battery. Monitor the internal air pressure of the battery through the pressure gauge on the air pump. Stop the air pump and observe whether the internal air pressure of the battery drops to determine whether the battery is leaking. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0021] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0022] Figure 2 For this utility model Figure 1 Schematic diagram of the bottom structure;

[0023] Figure 3 This is a schematic diagram of the present invention from another angle;

[0024] Figure 4 This is a partial schematic diagram of the lifting mechanism in the utility model;

[0025] Figure 5 This is a partial schematic diagram of the detection module in the present utility model.

[0026] Legend: 1. Frame; 2. Tray; 3. Battery; 4. Battery cover; 5. Detection module; 51. Air pump; 52. Magnetic cover; 53. Slide rail; 54. Screw; 55. Slider; 56. Bolt; 57. Rope; 6. Support plate; 7. Lifting mechanism; 71. Sliding arm; 72. Storage trough; 73. Rotating arm; 74. Lifting rope; 75. Hook; 76. Mounting plate; 77. Slip ring; 78. Threaded rod; 79. Spring. DETAILED DESCRIPTION

[0027] The present invention will now be described in further detail with reference to the accompanying drawings, which are simplified schematic diagrams that illustrate the basic structure of the present invention in a schematic manner.

[0028] In the description of this utility model, it should be noted that, unless otherwise specified or limited, the terms "connected" and "connection" should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integral connection; mechanical connection, electrical connection; direct connection, or indirect connection through an intermediary. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0029] Figure 1-5The battery cover airtightness detection device shown in the figure includes a frame 1, and the side of the frame 1 is fixedly connected with a support plate 6, the support plate 6 supports the air pump 51, and the upper end of the frame 1 is clamped with a tray 2, wherein the battery 3 is placed on the tray 2, and the battery cover 4 is sealed on the battery 3. A detection module 5 is set on the side of the frame 1, and the detection module 5 includes an air pump 51. The output end of the air pump 51 is connected to a magnetic cover 52, and the magnetic cover 52 is adsorbed on the side of the battery 3 and seals the pressure relief valve of the battery 3, wherein the magnetic force of the magnetic cover 52 adsorbs the pressure relief valve to allow the pressure relief valve to be opened. The tray 2 is clamped on the upper end of the frame 1, the battery 3 is placed on the upper end of the tray 2, and then the battery cover 4 to be detected is placed on the battery 3 for installation, and the magnetic cover 52 is sealed and installed. Installed on the side of the battery 3, the magnetic cover 52 covers the pressure relief valve on the side of the battery 3. The magnetic force of the magnetic cover 52 attracts the valve core of the pressure relief valve to ensure communication between the inside and outside of the battery 3. Then turn on the air pump 51 to inflate the battery 3. Monitor the internal air pressure of the battery 3 through the pressure gauge on the air pump 51. Stop the air pump 51 to inflate and then observe whether the internal air pressure of the battery 3 drops to determine whether the battery 3 is leaking. A lifting mechanism 7 is provided on the side of the tray 2, wherein the lifting mechanism 7 includes a sliding arm 71 sliding on the side of the tray 2, and a storage slot 72 is provided at the upper end of the sliding arm 71. A rotating arm 73 is rotatably connected to the storage slot 72. A hanging rope 74 is tied to the end of the rotating arm 73. A hook 75 is fixedly connected to the end of the hanging rope 74. It is necessary to inspect the battery cover installed on the battery 3. When checking whether the plate 4 is leaking, the battery 3 can be placed on the tray 2 first, and then the sliding arms 71 at the four corners of the tray 2 can be pulled out, and then the rotating arms 73 can be rotated upward to tie the lifting ropes 74 to the rotating arms 73, and then the whole can be lifted up on the hook 75 by the crane hook, thereby achieving the effect of quickly transporting the battery 3 to test the sealing of the battery cover 4. The surface of the hook 75 is fixedly connected to the mounting plate 76, and a slip ring 77 is provided below the mounting plate 76, wherein the slip ring 77 is sleeved on the surface of the lifting rope 74, and a threaded rod 78 is inserted into the internal thread of the mounting plate 76, wherein the bottom of the threaded rod 78 is rotatably connected to the slip ring 77, and the threaded rod 78 is rotated before lifting, and the threaded rod 78 squeezes the slip ring 77 downward, and tightens each lifting rope 74 through the slip ring 77, thereby ensuring the four rotations. The arm 73 is clamped on the battery 3, and the port of the sliding arm 71 inside the tray 2 is fixedly connected with a spring 79, and the other end of the spring 79 is fixedly connected to the tray 2. The function of the spring 79 is to pull the sliding arm 71 back into the tray 2 when the battery 3 does not need to be lifted. A slide rail 53 is provided on the back of the air pump 51, wherein the inner cavity of the slide rail 53 is slidably connected to two sliders 55, wherein the rope 57 is clamped on the surface of the hose at the output end of the air pump 51. The two ends cross and extend downward, and the surfaces of the two sliders 55 are clamped with the two ends of the rope 57. The hose connects the air pump 51 and the magnetic cover 52. The internal thread of the slider 55 passes through the screw rod 54, wherein the thread directions of the screw rod 54 and the two sliders 55 are opposite, and the hose is inserted into the pipe mouth at the output end of the air pump 51.Rotating the screw rod 54 causes the two sliders 55 to move away from each other, pulling the rope 57, thereby tightening the rope 57 on the surface of the hose, thereby fixing the hose to the outlet of the air pump 51 to prevent it from falling off. The surface of the slider 55 is provided with a groove, in which the rope 57 is inserted. A bolt 56 is threadedly inserted on the side of the slider 55, and one end of the bolt 56 abuts against the surface of the rope 57. By tightening the bolt 56, the rope 57 is fixed in the groove on the surface of the slider 55.

[0030] Working principle: clamp the tray 2 on the upper end of the frame 1, place the battery 3 on the upper end of the tray 2, and then place the battery cover 4 to be tested on the battery 3 for installation, seal the magnetic cover 52 on the side of the battery 3, and cover the pressure relief valve on the side of the battery 3. The magnetic force of the magnetic cover 52 attracts the valve core of the pressure relief valve to ensure that the inside and outside of the battery 3 are connected, and then turn on the air pump 51 to inflate the battery 3. Monitor the internal air pressure of the battery 3 through the pressure gauge on the air pump 51, stop the air pump 51 to inflate and observe whether the internal air pressure of the battery 3 drops to determine whether the battery 3 is leaking. When it is necessary to detect whether the battery cover 4 installed on the battery 3 is leaking, you can first place the battery 3 on the tray 2, then pull out the sliding arms 71 at the four corners of the tray 2, and then rotate the rotating arm 7 upwards. 3 Tie the lifting rope 74 to the rotating arm 73, and then use the crane hook to lift the entire battery 3 on the hook 75, thereby achieving the effect of quickly transporting the battery 3 to test the sealing of the battery cover 4. Before lifting, rotate the threaded rod 78, which presses the slip ring 77 downward, tightening each lifting rope 74 through the slip ring 77, thereby ensuring that the four rotating arms 73 are clamped on the battery 3. The function of the spring 79 is to pull the sliding arm 71 back into the tray 2 when the battery 3 does not need to be lifted. The hose is inserted into the output end nozzle of the air pump 51. Rotate the screw rod 54 so that the screw rod 54 drives the two sliders 55 away from each other, pulling the rope 57, so that the rope 57 is tightened on the surface of the hose, and then fix the hose to the output end nozzle of the air pump 51 to prevent it from falling off. The rope 57 is fixed in the groove on the surface of the slider 55 by tightening the bolt 56.

[0031] Based on the above-mentioned ideal embodiment of the present invention, and in accordance with the above description, relevant personnel can make various changes and modifications without departing from the technical scope of the present invention. The technical scope of the present invention is not limited to the content of the specification, but must be determined according to the scope of the claims.

Claims

1. A battery cover airtightness detection device, comprising a frame (1), characterized in that: A tray (2) is clamped at the upper end of the frame (1), wherein the battery (3) is placed on the tray (2), and the battery cover (4) is sealed on the battery (3). A detection module (5) is provided on the side of the frame (1), and the detection module (5) includes an air pump (51). The output end of the air pump (51) is connected to a magnetic cover (52), and the magnetic cover (52) is adsorbed on the side of the battery (3) and seals the pressure relief valve of the battery (3), wherein the magnetic force of the magnetic cover (52) adsorbs the pressure relief valve so that the pressure relief valve is in an open state.

2. The battery cover airtightness detection device according to claim 1, characterized in that: A lifting mechanism (7) is provided on the side of the pallet (2), wherein the lifting mechanism (7) includes a sliding arm (71) that slides on the side of the pallet (2), a storage groove (72) is provided at the upper end of the sliding arm (71), a rotating arm (73) is rotatably connected inside the storage groove (72), a lifting rope (74) is tied to the end of the rotating arm (73), and a lifting hook (75) is fixedly connected to the end of the lifting rope (74).

3. The battery cover airtightness detection device according to claim 2, characterized in that: The surface of the hook (75) is fixedly connected to a mounting plate (76), and a slip ring (77) is provided below the mounting plate (76), wherein the slip ring (77) is sleeved on the surface of the lifting rope (74), and a threaded rod (78) is inserted into the internal thread of the mounting plate (76), wherein the threaded rod (78) is rotatably connected to the slip ring (77) below.

4. The battery cover airtightness detection device according to claim 3, characterized in that: The end of the sliding arm (71) located inside the tray (2) is fixedly connected to a spring (79), and the other end of the spring (79) is fixedly connected to the tray (2).

5. The battery cover airtightness detection device according to claim 1, characterized in that: A slide rail (53) is provided on the back of the air pump (51), wherein the inner cavity of the slide rail (53) is slidably connected to two sliders (55), and the surfaces of the two sliders (55) are clamped to the two ends of the rope (57), wherein the rope (57) is wound around the surface of the hose clamped at the output end of the air pump (51) by one circle, and the hose connects the air pump (51) and the magnetic cover (52).

6. The battery cover airtightness detection device according to claim 5, characterized in that: The internal thread of the slider (55) passes through the screw rod (54), wherein the thread directions of the screw rod (54) and the two sliders (55) are opposite.

7. The battery cover airtightness detection device according to claim 6, characterized in that: A groove is provided on the surface of the slider (55), wherein the reining rope (57) is inserted into the groove. A bolt (56) is threadedly inserted into the side surface of the slider (55), and one end of the bolt (56) abuts against the surface of the reining rope (57).

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