Explosion-proof device

Abstract

The utility model discloses an explosion-proof device which comprises a box body, open grooves are formed in the upper end and the lower end of the front side of the box body, first limiting rods are fixedly connected in the open grooves, a door plate is arranged on the front side of the box body, connecting blocks are fixedly connected to the upper end and the lower end of the rear side of the door plate, and the connecting blocks are in sliding connection with the corresponding first limiting rods. A supporting assembly used for placing a battery is arranged in the box body. According to the utility model, a to-be-tested battery can be conveniently placed and taken through the arranged supporting assembly, the box body can be sealed through the arranged door plate, so that a relatively sealed space is formed in the box body, and the door plate is of a push-pull structure, so that the impact resistance can be improved, and the damage to personnel caused by explosion generated in a battery test can be avoided; and the arranged exhaust assembly can exhaust air in the box body and filter the air, and the situation that when the door plate is opened, smoke generated by combustion of the battery in the box body harms people is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of explosion-proof devices, in particular to an explosion-proof device. Background Art

[0002] After a lithium battery is produced, it is necessary to test various indicators of the battery, especially the safety performance, to ensure the stability and safety of the battery products shipped out of the factory. During the battery testing process, there is a risk of explosion and combustion. If the test is conducted in an unprotected environment, once the battery safety performance has problems, it will cause harm to personnel and laboratories to a great extent.

[0003] It is now necessary to make an explosion-proof device for safety testing. The battery is placed in the explosion-proof device for testing. Even if the battery explodes or burns during the test, it will not cause harm to personnel or damage laboratory equipment. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes an explosion-proof device.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an explosion-proof device, including a box body, the upper and lower ends of the front side of the box body are provided with grooves, the inside of the grooves are fixedly connected with first limit rods, the front side of the box body is provided with a door panel, the upper and lower ends of the rear side of the door panel are fixedly connected with connecting blocks, the connecting blocks are slidably connected with the corresponding first limit rods, a support assembly for placing batteries is provided inside the box body, and an exhaust assembly for exhausting smoke is provided on one side of the box body.

[0006] Furthermore, an inlet pipe is fixedly connected to the upper end of the box body, an end cover is threadedly connected to the upper end of the inlet pipe, and an opening is opened on one side of the inlet pipe.

[0007] Furthermore, the support assembly includes a screw rod and a second limiting rod, the screw rod is rotatably connected to the box body, the second limiting rod is fixedly connected to the box body, and a support frame is arranged on the screw rod and the second limiting rod.

[0008] Furthermore, one side of the support frame is threadedly connected to the screw rod, and the other side of the support frame is slidably connected to the second limiting rod.

[0009] Furthermore, a perforated plate is fixedly connected inside the support frame, a servo motor is fixedly connected to one end of the rear side of the box body, and an output end of the servo motor is fixedly connected to one end of the screw rod.

[0010] Furthermore, a second observation window is provided on one side of the box body, and a first observation window is provided on the door panel, and both the first observation window and the second observation window are made of explosion-proof glass.

[0011] Furthermore, a plurality of locking bolts are arranged at one end of the front side of the door panel, a plurality of threaded holes are arranged at one side of the front end of the box body, and the locking bolts are threadedly connected with the corresponding threaded holes.

[0012] Furthermore, the exhaust assembly includes an exhaust pipe fixedly connected to the box body, one end of the exhaust pipe is fixedly connected to a filter box, a filter element is arranged inside the filter box, and one side of the filter box is fixedly connected to an exhaust fan.

[0013] Beneficial effects of the utility model:

[0014] When the utility model is in use, the explosion-proof device can facilitate the placement and removal of the battery to be tested through the provided support assembly, and the box body can be sealed through the provided door panel, so that the box body forms a relatively sealed space, and the door panel is a push-pull structure, which can improve the impact resistance and avoid the explosion caused by the battery test to cause harm to personnel, and the provided exhaust assembly can exhaust and filter the air in the box body to avoid the smoke generated by the burning battery in the box body causing harm to personnel when the door panel is opened. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solution of the present invention, the drawings required for use in the description of the specific implementation methods will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 : A front view of the utility model;

[0017] Figure 2 : The working principle diagram of the utility model;

[0018] Figure 3 : The rear view of the utility model.

[0019] The reference numerals are as follows:

[0020] 1. Box body; 2. Door panel; 3. First observation window; 4. Locking bolt; 5. Second observation window; 6. Inlet pipe; 7. End cover; 8. Slot; 9. First limit rod; 10. Threaded hole; 11. Exhaust pipe; 12. Filter box; 13. Exhaust fan; 14. Screw; 15. Second limit rod; 16. Support frame; 17. Orifice plate; 18. Servo motor; 19. Opening; 20. Connecting block. 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 of 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] like Figure 1-3 As shown, it relates to an explosion-proof device, including a box body 1, the upper and lower ends of the front side of the box body 1 are provided with grooves 8, the inside of the grooves 8 are fixedly connected with first limit rods 9, a door panel 2 is arranged on the front side of the box body 1, the upper and lower ends of the rear side of the door panel 2 are fixedly connected with connecting blocks 20, the connecting blocks 20 are slidably connected with the corresponding first limit rods 9, a supporting assembly for placing batteries is arranged inside the box body 1, and an exhaust assembly for exhausting smoke is arranged on one side of the box body 1.

[0023] like Figure 1-3 As shown, an inlet pipe 6 is fixedly connected to the upper end of the box body 1, and an end cover 7 is threadedly connected to the upper end of the inlet pipe 6. An opening 19 is opened on one side of the inlet pipe 6. External cables can pass through the opening 19 and the inlet pipe 6 to enter the interior of the box body 1 and can be connected to the battery.

[0024] like Figure 1-3 As shown, the support assembly includes a screw 14 and a second limiting rod 15, the screw 14 is rotatably connected to the box body 1, the second limiting rod 15 is fixedly connected to the box body 1, a support frame 16 is arranged on the screw 14 and the second limiting rod 15, one side of the support frame 16 is threadedly connected to the screw 14, and the other side of the support frame 16 is slidably connected to the second limiting rod 15, a perforated plate 17 is fixedly connected inside the support frame 16, a servo motor 18 is fixedly connected to one end of the rear side of the box body 1, and the output of the servo motor 18 is fixedly connected to one end of the screw 14, the servo motor 18 can drive the screw 14 to rotate, thereby driving the support frame 16 to slide along the second limiting rod 15, so as to facilitate the placement of the battery on the perforated plate 17.

[0025] like Figure 1-3 As shown, a second observation window 5 is provided on one side of the box body 1, and a first observation window 3 is provided on the door panel 2. Both the first observation window 3 and the second observation window 5 are made of explosion-proof glass. The first observation window 3 and the second observation window 5 can be used to observe the batteries inside the box body 1.

[0026] like Figure 1-3 As shown, a plurality of locking bolts 4 are provided at one end of the front side of the door panel 2, and a plurality of threaded holes 10 are provided at one side of the front end of the box body 1. The locking bolts 4 are threadedly connected with the corresponding threaded holes 10. The box body 1 can be sealed by the provided door panel 2. The provided locking bolts 4 cooperate with the threaded holes 10 to fix the door panel 2 and the box body 1.

[0027] like Figure 1-3 As shown, the exhaust assembly includes an exhaust pipe 11 fixedly connected to the box body 1, one end of the exhaust pipe 11 is fixedly connected to a filter box 12, a filter element is arranged inside the filter box 12, and one side of the filter box 12 is fixedly connected to an exhaust fan 13. The exhaust fan 13 can draw the air in the box body 1 through the exhaust pipe 11. The filter element arranged in the filter box 12 can filter the air to prevent the smoke generated by the burning of the battery in the box body 1 from causing harm to personnel when the door panel 2 is opened.

[0028] Working principle: When in use, the support assembly can be used to facilitate the placement and removal of the battery to be tested. Specifically, the servo motor 18 can drive the screw 14 to rotate, thereby driving the support frame 16 to slide along the second limit rod 15, so that the battery can be placed on the orifice plate 17. The external cables can pass through the opening 19 and the inlet pipe 6 to enter the box 1 and can be connected to the battery. The box 1 can be sealed by the door panel 2. The locking bolt 4 cooperates with the threaded hole 10 to fix the door panel 2 to the box 1, so that the box 1 forms a relatively sealed space. The door panel 2 is a push-pull structure, which can improve the impact resistance and avoid the explosion of the battery test causing harm to personnel. The exhaust assembly can exhaust and filter the air in the box 1. Specifically, the exhaust fan 13 can draw the air in the box 1 through the exhaust pipe 11, and the filter element arranged in the filter box 12 can filter the air to avoid the smoke generated by the combustion of the battery in the box 1 causing harm to personnel when the door panel 2 is opened.

[0029] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to only specific implementation methods. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. An explosion-proof device, comprising a box (1), characterized in that: The upper and lower ends of the front side of the box body (1) are both provided with slots (8), and the first limit rods (9) are fixedly connected inside the slots (8). The front side of the box body (1) is provided with a door panel (2), and the upper and lower ends of the rear side of the door panel (2) are both fixedly connected with connection blocks (20), and the connection blocks (20) are slidably connected to the corresponding first limit rods (9). A support assembly for placing batteries is provided inside the box body (1), and an exhaust assembly for exhausting smoke is provided on one side of the box body (1).

2. An explosion-proof device according to claim 1, characterized in that: The upper end of the box body (1) is fixedly connected to an inlet pipe (6), the upper end of the inlet pipe (6) is threadedly connected to an end cover (7), and one side of the inlet pipe (6) is provided with an opening (19).

3. An explosion-proof device according to claim 1, characterized in that: The support assembly comprises a screw rod (14) and a second limiting rod (15); the screw rod (14) is rotatably connected to the box body (1); the second limiting rod (15) is fixedly connected to the box body (1); and a support frame (16) is provided on the screw rod (14) and the second limiting rod (15).

4. An explosion-proof device according to claim 3, characterized in that: One side of the support frame (16) is threadedly connected to the screw rod (14), and the other side of the support frame (16) is slidably connected to the second limiting rod (15).

5. An explosion-proof device according to claim 3, characterized in that: A perforated plate (17) is fixedly connected inside the support frame (16), a servo motor (18) is fixedly connected to one end of the rear side of the box body (1), and an output end of the servo motor (18) is fixedly connected to one end of the screw rod (14).

6. An explosion-proof device according to claim 1, characterized in that: A second observation window (5) is provided on one side of the box body (1), and a first observation window (3) is provided on the door panel (2); both the first observation window (3) and the second observation window (5) are made of explosion-proof glass.

7. An explosion-proof device according to claim 1, characterized in that: A plurality of locking bolts (4) are provided at one end of the front side of the door panel (2), a plurality of threaded holes (10) are provided at one side of the front end of the box body (1), and the locking bolts (4) are threadedly connected to the corresponding threaded holes (10).

8. An explosion-proof device according to claim 1, characterized in that: The exhaust assembly comprises an exhaust pipe (11) fixedly connected to the box body (1), one end of the exhaust pipe (11) being fixedly connected to a filter box (12), a filter element being arranged inside the filter box (12), and one side of the filter box (12) being fixedly connected to an exhaust fan (13).

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