New energy automobile battery pack air tightness detection device

Abstract

The utility model relates to the technical field of air tightness detection, and discloses a new energy automobile battery pack air tightness detection device comprising a main body assembly. The main body assembly comprises a box body, pipe bodies are symmetrically arranged on the outer side wall of the main body assembly, and the two pipe bodies are both inserted into the box body; the cover plate is arranged on the box body; the booster pump is fixedly connected to the outer side wall of the box body and is fixedly connected with the pipe body on one side; the device has the advantage of high efficiency of detecting the air tightness of the battery pack, an operator picks up the cover plate and moves the cover plate towards the positioning frame, in the moving process of the cover plate, the inclined plane on one side of the fixing block is extruded, the fixing block moves towards the outside of the box body, the pull rod is extruded through the connecting rod, the pull rod is extruded to move towards the outside of the mounting plate, the spring is stretched, and the air tightness of the battery pack is detected. When the cover plate is tightly attached to the positioning frame, the fixing block is popped out by the spring, the cover plate is automatically fixed, operation is simple and convenient, and the problem that the detection efficiency is low due to the fact that the cover plate is complex to install is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to airtightness detection technical field, concretely is a new energy automobile battery package airtightness detection device. BACKGROUND

[0002] With international energy shortage, increasingly serious air pollution and the deepening of human low carbon environmental protection consciousness, energy conservation and environmental protection have risen to the strategic height of the national level. In the automobile industry, more and more automobile enterprises focus on new energy vehicles, and the broad prospects of new energy vehicle industry promote the rapid development of new energy vehicle battery industry.

[0003] The existing new energy automobile battery package with unqualified airtightness flows into the market, which is easy to cause the loss of life and property of consumers. The prior art starts the booster pump through the control panel to pressurize. After a specified time of pressurization, the booster pump stops working. At this time, the first one-way valve is closed, the pressure value on the pressure gauge is recorded, and whether the pressure value on the pressure gauge decreases is observed through the transparent detection box, so as to detect the airtightness of the battery package. However, in the actual use process, the top cover plate of the detection box is inconvenient to fix, and it needs to be operated by the operator for several times to complete the fixing, which leads to low detection efficiency, and thus lacks certain practicality. UTILITY MODEL CONTENT

[0004] (I) Technical problem solved

[0005] In view of the defects of the prior art, the utility model provides a new energy automobile battery package airtightness detection device, which has the advantages of high detection efficiency of battery package airtightness, and solves the problem of low detection efficiency caused by complex installation of the cover plate.

[0006] (II) Technical scheme

[0007] In order to achieve the above purpose, the utility model provides the following technical scheme: a new energy automobile battery package airtightness detection device, comprising a main body assembly; the main body assembly comprises a box body, the outer side wall of which is symmetrically provided with a pipe body, and both of the pipe bodies are inserted into the inside of the box body; a cover plate is arranged on the box body; a booster pump is fixedly connected to the outer side wall of the box body and fixedly connected with the pipe body on one side; a fixing assembly is arranged on the box body, and the fixing assembly comprises: a positioning frame fixedly connected to the inner side wall of the box body; a mounting plate fixedly connected to the outer side wall of the box body; a fixed block slidingly connected to the inside of the mounting plate and inserted into the inside of the box body, and a plurality of fixed blocks are uniformly arranged; a connecting rod is hingedly connected to the bottom of each fixed block; a pull rod is hingedly connected to one end of each connecting rod; a spring is arranged on the top of each pull rod, and both ends of each spring are fixedly connected to the top end of the pull rod and the inner side top surface of the mounting plate respectively.

[0008] Preferably, the box is provided with a fixing frame, and each pull rod is fixedly connected to the top of the fixing frame.

[0009] Preferably, a sealing strip is fixedly connected to the inner side of the positioning frame.

[0010] Preferably, the box is provided with a plurality of disassembly assemblies, each of which comprises a limiting groove formed in the outer wall of the box, a threaded rod inserted into the inner portion of the mounting plate and rotationally connected to the mounting plate, and a limiting block inserted into the limiting groove and threadedly connected to the outer sidewall of the threaded rod.

[0011] Preferably, the limiting block is fixedly connected with a limiting plate, and the limiting plate is slidingly connected to the inner bottom surface of the mounting plate.

[0012] Preferably, the threaded rod is fixedly connected with a rotating plate at one end.

[0013] (Three) beneficial effects

[0014] Compared with the prior art, the utility model provides a new energy automobile battery pack air tightness detection device, has the following beneficial effects:

[0015] The utility model discloses a battery pack air tightness detection device, has the advantages that the operation personnel pick up the cover plate, make the cover plate move to the direction of positioning frame, the cover plate moves in the process, extrude fixed block one side slope, make fixed block move to the box, and through the connecting rod extrusion pull rod, and the pull rod is extruded and moves to the outside of the mounting plate, and the spring is stretched, when the cover plate and positioning frame are close, when fixed block is ejected by spring, automatically fixed cover plate, operation is relatively simple and convenient, solve the problem that the detection efficiency is relatively low when installing the cover plate is relatively complex. ACCOUT OF DRAWINGS

[0016] Figure 1 It is the structure schematic diagram of the utility model structure schematic diagram;

[0017] Figure 2 It is the structure schematic diagram of the utility model structure schematic diagram of not including fixed assembly;

[0018] Figure 3 It is the structure schematic diagram of the utility model mounting plate section;

[0019] Figure 4 It is the structure schematic diagram of the utility model box section.

[0020] In the drawing:

[0021] 1, main component;11, box;12, cover plate;13, pipe body;14, booster pump;

[0022] 2, fixed assembly; 21, positioning frame; 22, mounting plate; 23, fixed block; 24, pull rod; 25, connecting rod; 26, spring;

[0023] 3, disassembly assembly; 31, limiting groove; 32, threaded rod; 33, limiting block;

[0024] 4, sealing strip; 5, limiting plate; 6, rotating plate; 7, fixed frame. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0026] Embodiment one

[0027] Referring to Figures 1-4 A new energy automobile battery pack air tightness detection device, including main component 1;The main component 1 includes box 11, its outer wall is symmetrically provided with pipe body 13, and two described pipe body 13 are inserted into the inside of box 11;Cover plate 12, set up in the box 11;Booster pump 14, fixedly connected to the outer wall of the box 11, and with one side the pipe body 13 fixedly connected;The box 11 is provided with fixed assembly 2, and the fixed assembly 2 includes: positioning frame 21, fixedly connected to the inner wall of the box 11;Mounting plate 22, fixedly connected to the outer wall of the box 11;Fixed block 23, slidingly connected to the inside of the mounting plate 22, inserted into the inside of the box 11, and evenly provided with multiple;Connecting rod 25, each described fixed block 23 bottom is hingedly connected with connecting rod 25;Pull rod 24, each described connecting rod 25 one end is hingedly connected with pull rod 24;Spring 26, each described pull rod 24 top is provided with spring 26, and each described spring 26 both ends are fixedly connected to the top end of pull rod 24 and the inner side top surface of mounting plate 22;The box 11 is provided with fixed frame 7, and each described pull rod 24 is fixedly connected to the top of fixed frame 7;The inner side of positioning frame 21 is fixedly connected with sealing strip 4.

[0028] When it is ready to use, the operator places the box 11 in the designated position, the operator puts the new energy automobile battery pack into the box 11, then the operator picks up the cover plate 12, and the cover plate 12 moves to the positioning frame 21, the cover plate 12 moves, the side slope of the fixed block 23 is extruded, the fixed block 23 moves out of the box 11, and the connecting rod 25 extrudes the pull rod 24, the pull rod 24 is extruded to move out of the mounting plate 22, and the spring 26 is stretched, when the cover plate 12 is tightly attached to the positioning frame 21, the fixed block 23 is ejected by the spring 26, and the cover plate 12 is automatically fixed, then the operator starts the booster pump 14 to pass the gas into the box 11 through the pipe body 13 to pressurize, and the one-way valve on the pipe body 13 prevents the gas from flowing out, after a period of time, the gas pressure sensor in the box 11 is used to observe the change of the gas pressure in the box 11, so as to judge whether the battery pack leaks or not, the operation is simple, the detection efficiency is improved, and the practicality of the device is improved; The fixing frame 7 is arranged on the box 11, the operator pulls the fixing frame 7 to drive the pull rods 24 to move at the same time, so as to drive the fixed blocks 23 at the same time, cancel the fixing of the cover plate 12, and the operator does not need to pull the pull rods 24 at the same time, which is more inconvenient, so as to improve the convenience of the device; The sealing strip 4 is fixedly connected to the inner side of the positioning frame 21, the sealing strip 4 can prevent the gas from leaking out of the gap between the cover plate 12 and the positioning frame 21 to affect the experimental results, and the stability of the device is improved.

[0029] Example two

[0030] Reference Figures 1-4 On the basis of example one, the dismounting function is increased;

[0031] The box 11 is provided with a plurality of dismounting assemblies 3, each of which comprises: a limiting groove 31 opened in the outer wall of the box 11; a threaded rod 32 inserted into the inside of the mounting plate 22 and rotationally connected with the mounting plate 22; a limiting block 33 inserted into the inside of the limiting groove 31 and threadedly connected with the outer side wall of the threaded rod 32; the limiting block 33 is fixedly connected with a limiting plate 5 at the bottom, and the limiting plate 5 is slidingly connected with the inner bottom surface of the mounting plate 22; one end of the threaded rod 32 is fixedly connected with a rotating plate 6.

[0032] After use, the operator twists the threaded rod 32, the threaded rod 32 drives the limiting block 33 to move, so that the limiting block 33 moves out of the limiting groove 31, thereby canceling the fixing of the mounting plate 22, so that the operator can completely take down the fixing assembly 2, which is convenient for the operator to maintain or replace each part of the fixing assembly 2, thereby improving the practicability of the device; the bottom of the limiting block 33 is fixedly connected with the limiting plate 5, the limiting plate 5 can limit the movement range of the limiting block 33, prevent the limiting block 33 from moving completely into the inside of the mounting plate 22, causing the limiting block 33 to rotate with the threaded rod 32, and cannot be used normally, thereby improving the stability of the device; one end of the threaded rod 32 is fixedly connected with the rotating plate 6, the operator can drive the threaded rod 32 to rotate by rotating the rotating plate 6 with hands, preventing the operator from directly rotating the threaded rod 32, which causes the palm to be easily scratched by the threaded groove, thereby improving the safety of the device.

[0033] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A new energy automobile battery pack air tightness detection device, comprising a main body assembly (1); the main body assembly (1) comprises a box body (11), the outer side wall of which is symmetrically provided with a pipe body (13), and the two pipe bodies (13) are inserted into the inside of the box body (11); a cover plate (12) is arranged on the box body (11); a booster pump (14) is fixedly connected to the outer side wall of the box body (11) and fixedly connected with one side of the pipe body (13); a fixing assembly (2) is arranged on the box body (11), and the fixing assembly (2) comprises: a positioning frame (21) fixedly connected to the inner side wall of the box body (11); an installation plate (22) fixedly connected to the outer side wall of the box body (11); a fixed block (23) slidingly connected to the inside of the installation plate (22) and inserted into the inside of the box body (11) and uniformly provided with a plurality of fixed blocks (23); a connecting rod (25) is hinged to the bottom of each fixed block (23); a pull rod (24) is hinged to one end of each connecting rod (25); a spring (26) is arranged at the top of each pull rod (24), and both ends of each spring (26) are fixedly connected to the top end of the pull rod (24) and the inner side top surface of the installation plate (22). The box body (11) is provided with a fixed frame (7), and each pull rod (24) is fixedly connected to the top of the fixed frame (7). The inner side of the positioning frame (21) is fixedly connected with a sealing strip (4). The box body (11) is provided with a plurality of disassembly assemblies (3), and each disassembly assembly (3) comprises: a limiting groove (31) opened in the outer side wall of the box body (11); a threaded rod (32) inserted into the inside of the installation plate (22) and rotatably connected with the installation plate (22); a limiting block (33) inserted into the inside of the limiting groove (31) and screwedly connected to the outer side wall of the threaded rod (32). characterized in that The bottom of the limiting block (33) is fixedly connected with a limiting plate (5), and the limiting plate (5) is slidingly connected to the inner side bottom surface of the installation plate (22). One end of the threaded rod (32) is fixedly connected with a rotating plate (6). ​ ​ ​ ​ ​ 2. The new energy vehicle battery pack air tightness detection device according to claim 1, characterized in that: ​ 3. The new energy vehicle battery pack air tightness detection device according to claim 1, characterized in that: ​ 4. The new energy vehicle battery pack air tightness detection device according to claim 1, characterized in that: ​ ​ ​ ​ 5. The new energy vehicle battery pack air tightness detection device according to claim 4, characterized in that: ​ 6. The new energy vehicle battery pack air tightness detection device according to claim 4, characterized in that: ​

Images