CN210347875U

CN210347875U - Cold and hot integrative explosion-proof detection test case of power battery

Info

Publication number: CN210347875U
Application number: CN201920915003.6U
Authority: CN
Inventors: 段志秋
Original assignee: Shenzhen Horad Environmental Technology Co ltd
Current assignee: Shenzhen Horad Environmental Technology Co ltd
Priority date: 2019-06-15
Filing date: 2019-06-15
Publication date: 2020-04-17
Anticipated expiration: 2029-06-15

Abstract

The utility model discloses a cold and hot integrative explosion-proof detection test box of power battery, the power battery comprises a box body, be equipped with the baffle in the box, be equipped with circular opening on the baffle, opening upper surface is equipped with hexagonal spacing groove, the baffle separates the box into high-temperature box and low-temperature box, the low-temperature box bottom is connected with the hydraulic stem, and the hydraulic stem top has connected gradually first baffle, connecting rod and second baffle, the connecting rod is located the opening, and the upper and lower both ends of connecting rod are connected with first baffle and second baffle respectively, be fixed with explosion-proof box on the second baffle, explosion-proof box comprises bottom plate and protection casing, be equipped with two vertical limiting plates on the bottom plate, the limiting plate inboard is equipped with the shell fragment, and the bottom plate upper surface has connected gradually telescopic link and bottom plate; the utility model discloses a proof box carries out explosion-proof detection to power battery under strong heat, strong cold and hot alternate environment, and is sealed effectual, simple structure convenient operation, and the security performance is high.

Description

Cold and hot integrative explosion-proof detection test case of power battery

Technical Field

The utility model relates to a proof box specifically is a cold and hot integrative explosion-proof detection test case of power battery.

Background

The power battery is easy to explode due to the fact that chemical substances are contained in the power battery and are cooled when being heated and extruded, chemical pollution is caused to the surrounding environment after explosion, the existing battery explosion-proof detection device can only be used for carrying out heat explosion-proof test or pressure explosion-proof test independently, operation is troublesome, the detection flow is prolonged, and therefore detection efficiency is reduced.

In addition, current battery explosion-proof test case does not meet cold or under cold and hot alternating state to the battery, and the battery detects the in-process if the explosion also does not have fine protection device, and the security performance is not high.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a cold and hot integrative explosion-proof detection test case of power battery to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a cold and hot integrated explosion-proof detection test box for a power battery comprises a box body, wherein a partition plate is arranged in the box body, a circular opening is formed in the partition plate, a hexagonal limiting groove is formed in the upper surface of the opening, the box body is divided into a high-temperature box and a low-temperature box by the partition plate, a hydraulic rod is connected to the bottom of the low-temperature box, a first baffle, a connecting rod and a second baffle are sequentially connected to the top of the hydraulic rod, the connecting rod is located in the opening, the upper end and the lower end of the connecting rod are respectively connected with the first baffle and the second baffle, an explosion-proof box is fixed to the second baffle and consists of a bottom plate and a protective cover, two vertical limiting plates are arranged on the bottom plate, elastic pieces are arranged on the inner sides of the limiting plates, a telescopic rod and a lower supporting plate are sequentially connected to the upper surface of the bottom, the protection casing top is equipped with the pressure release hole, and the pressure release hole is connected with the pressure release pipe through the solenoid valve, is equipped with the shower in the protection casing, and the shower is connected with nitrogen gas conveyor, and shower bottom evenly distributed has the several shower nozzle.

As a further aspect of the present invention: the first baffle is located the opening top, and first baffle is the hexagon structure, the second baffle is located the opening below, and the second baffle is circular structure and diameter is greater than the opening diameter.

As a further aspect of the present invention: the protection casing lateral wall is equipped with the several ventilation hole, and the ventilation hole in-connection has sealed lid, sealed lid diameter is greater than the ventilation hole diameter, and sealed lid passes through the spring and is connected with the ventilation hole.

As a further aspect of the present invention: the high-temperature box and the low-temperature box are hinged to the front sides, the front side of the box door is provided with an observation window, and the back side of the box door is provided with a sealing strip.

As a further aspect of the present invention: and two corners of the bottom of the lower supporting plate are connected with limiting rods, and the bottoms of the limiting rods are hinged on the bottom plate.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a proof box is integrated in a box with high-temperature box and low-temperature box, to power battery carry out explosion-proof detection under strong heat, strong cold and hot alternate environment, and is sealed effectual, simple structure convenient operation, the security performance is high.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the explosion-proof box of the present invention.

Fig. 3 is a schematic structural diagram of the middle partition plate of the present invention.

Fig. 4 is a schematic view of the connection between the middle vent hole and the sealing cover of the present invention.

In the figure: 1-box body, 2-low temperature box, 3-hydraulic rod, 4-second baffle, 5-explosion-proof box, 6-clapboard, 7-connecting rod, 8-first baffle, 9-high temperature box, 10-bottom plate, 11-limiting plate, 12-limiting rod, 13-bottom plate, 14-telescopic rod, 15-elastic sheet, 16-protective cover, 17-top plate, 18-spray head, 19-spray pipe, 20-pressure relief pipe, 21-limiting groove, 22-opening, 23-ventilation hole, 24-sealing cover, 25-spring, 26-box door, 27-sealing strip and 28-observation window.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, in the embodiment of the present invention, a cold and hot integrated explosion-proof detection test box for a power battery includes a box body 1, a partition plate 6 is disposed in the box body 1, a circular opening 22 is disposed on the partition plate 6, a hexagonal limiting groove 21 is disposed on the upper surface of the opening 22, the partition plate 6 divides the box body 1 into a high temperature box 9 and a low temperature box 2, a hydraulic rod 3 is connected to the bottom of the low temperature box 2, a first baffle 8, a connecting rod 7 and a second baffle 4 are sequentially connected to the top of the hydraulic rod 3, the connecting rod 7 is located in the opening 22, the upper and lower ends of the connecting rod 7 are respectively connected to the first baffle 8 and the second baffle 4, an explosion-proof box 5 is fixed on the second baffle 4, the explosion-proof box 5 is composed of a bottom plate 10 and a protective cover 16, two vertical limiting plates 11 are disposed on the bottom plate 10, an elastic sheet 15 is disposed inside the limiting plates, the upper supporting plate 17 is correspondingly arranged above the lower supporting plate 13, the top of the upper supporting plate 17 is fixed on the protective cover 16 through the telescopic rod 14, the protective cover 16 is of a U-shaped structure, the top of the protective cover 16 is provided with a pressure relief hole, the pressure relief hole is connected with a pressure relief pipe 20 through an electromagnetic valve, a spraying pipe 19 is arranged in the protective cover 16, the spraying pipe 19 is connected with a nitrogen conveying device, and a plurality of spray heads 18 are uniformly distributed at the bottom of the spraying pipe 19.

The utility model discloses a proof box is integrated in a box 1 with high temperature box 9 and low temperature box 2, to power battery explosion-proof detection under strong heat, strong cold and hot alternate environment, sealed effectual, simple structure convenient operation, the security performance is high.

When the novel experimental test box works, firstly, a power battery is placed between the lower supporting plate 13 and the upper supporting plate 17, the upper supporting plate 17 and the lower supporting plate 13 are driven by the telescopic rod 14 to clamp the power battery, and meanwhile, the left side and the right side of the power battery can also be clamped by the elastic sheets 15; in an initial state, the explosion-proof box 5 is positioned in the high-temperature box 9 and is baked at high temperature in the high-temperature box 9 through a high-temperature device, and at the moment, the high-temperature explosion-proof of the battery can be detected to test whether the battery is exploded or not and the explosion degree in a high-temperature state; similarly, the power battery can also enter the low-temperature box 2 to perform low-temperature explosion-proof detection, or the power battery is driven by the hydraulic rod 3 to perform high-low temperature impact detection in the circulating motion of the high-temperature box 9 and the low-temperature box 2; because the upper end and the lower end of the explosion-proof box 5 are respectively provided with the first baffle plate 8 and the second baffle plate 4, when the explosion-proof box 5 moves to the high-temperature box 9, the second baffle plate 4 positioned at the bottom seals the opening 22; similarly, when the explosion-proof box 5 moves to the low-temperature box 2, the first baffle plate 8 at the top part seals the limiting groove 21 and the opening 22, so that the high-temperature box 9 and the low-temperature box 2 are respectively sealed in a heat insulation way, and the explosion-proof box 5 can move back and forth in the high-temperature box 9 and the low-temperature box 2.

The box body 1 is divided into a high-temperature box 9 and a low-temperature box 2 through a heat-insulating partition plate 6, so that the high-temperature box 9 and the low-temperature box 2 are not interfered with each other, and the high-temperature box 9 and the low-temperature box 2 are respectively kept in a high-temperature state and a low-temperature state without controlling the cold and hot alternation of a system; bottom plate 10 on the explosion-proof box 5 mainly plays fixed and spacing effect to power battery, power battery receives the spacing of vertical direction between upper plate 17 and bottom plate 13 respectively, secondly receive the location of left right direction between shell fragment 15 and limiting plate 11, thereby fix power battery on bottom plate 10, telescopic link 14 that upper plate 17 and bottom plate 13 are connected simultaneously can be respectively downwards and upwards extrusion with upper plate 17 and bottom plate 13, make power battery bear certain pressure, thereby also can detect power battery's explosion-proof performance under high-pressure state.

The protective cover 16 on the bottom plate 10 is used for protecting the power battery from explosion, so that the safety of operators and equipment is ensured; when the power battery explodes, a large pressure and impact force are generated, the protective cover 16 firstly discharges high-pressure gas in the protective cover 16 through the pressure relief hole at the top part through the pressure relief pipe 20, and the pressure in the protective cover 16 is reduced to avoid the damage of the protective cover 16; then the nitrogen conveying device conveys nitrogen to the spray pipe 19, liquid nitrogen is atomized and sprayed out through the spray head 18, and the power battery and oxygen are isolated by the nitrogen, so that the fire catching phenomenon caused by explosion is avoided, and meanwhile, the fire extinguishing treatment can be carried out.

The first baffle plate 8 is positioned above the opening 22, the first baffle plate 8 is in a hexagonal structure, the second baffle plate 4 is positioned below the opening 22, and the second baffle plate 4 is in a circular structure and has a diameter larger than that of the opening 22; the first baffle plate 8 and the second baffle plate 4 respectively seal the bottoms of the limiting groove 21 and the opening 22; when the hydraulic rod 3 pushes the second baffle 4 upwards to enable the explosion-proof box 5 to be located in the high-temperature area, the second baffle 4 is limited by the opening 22 and cannot move upwards, and the bottom of the opening 22 can be sealed, so that the high-temperature box 9 becomes a sealed space; similarly, when the hydraulic rod 3 drives the second supporting plate to move downwards and the explosion-proof box 5 is located in the low-temperature area, the first supporting plate is limited by the limiting groove 21 on the opening 22 and cannot move downwards, and the opening 22 is sealed to form a closed space in the low-temperature area; the explosion-proof box 5 can be respectively positioned in the closed high-temperature box 9 and the closed low-temperature box 2 through the simple arrangement of the first baffle 8 and the second baffle 4, and the heat insulation effect is achieved.

The front sides of the high-temperature box 9 and the low-temperature box 2 are hinged with box doors 26, the front sides of the box doors 26 are provided with observation windows 28, and the back sides of the box doors 26 are provided with sealing strips 27; the box door 26 is convenient for opening the high-temperature box 9 and the low-temperature box 2, and the sealing strip 27 can enable the interiors of the high-temperature box 9 and the low-temperature box 2 to be in a sealing state; meanwhile, the detection state of the power battery can be observed through the observation window 28.

Two corners of the bottom of the lower supporting plate 13 are connected with limiting rods 12, and the bottoms of the limiting rods 12 are hinged to the bottom plate 10; the limiting rod 12 is used for limiting the position of the lower supporting plate 13, and the situation that the lower supporting plate 13 moves too high or even exceeds the position of the elastic sheet 15 is avoided, so that the power battery cannot be limited left or right by the elastic sheet 15.

Referring to fig. 4, in the embodiment of the present invention, the side wall of the protective cover 16 is provided with a plurality of vent holes 23, a sealing cover 24 is connected in the vent holes 23, the diameter of the sealing cover 24 is larger than that of the vent holes 23, and the sealing cover 24 is connected with the vent holes 23 through springs 25; the ventilation hole 23 on the protective cover 16 is used for transmitting the ambient temperature in the high-temperature box 9 or the low-temperature box 2 to the power battery so as to perform explosion-proof detection on the power battery; when the power battery explodes and impacts are generated, the sealing cover 24 on the vent hole 23 compresses the back spring 25 under the action of impact force and seals the vent hole 23, so that a closed space is formed in the protective cover 16, and chips generated by the impact generated by the explosion are placed and splashed into the box body 1; when the high-pressure gas in the protective cover 16 disappears, the sealing cover 24 can return to the original state again under the action of the spring 25, so that the ventilation hole 23 is continuously ventilated.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an integrative explosion-proof detection test case of power battery cold and hot, includes box (1), its characterized in that: the explosion-proof box is characterized in that a partition plate (6) is arranged in the box body (1), a circular opening (22) is formed in the partition plate (6), a hexagonal limiting groove (21) is formed in the upper surface of the opening (22), the partition plate (6) divides the box body (1) into a high-temperature box (9) and a low-temperature box (2), a hydraulic rod (3) is connected to the bottom of the low-temperature box (2), a first baffle (8), a connecting rod (7) and a second baffle (4) are sequentially connected to the top of the hydraulic rod (3), the connecting rod (7) is located in the opening (22), the upper end and the lower end of the connecting rod (7) are respectively connected with the first baffle (8) and the second baffle (4), an explosion-proof box (5) is fixed on the second baffle (4), the explosion-proof box (5) is composed of a bottom plate (10) and a protective cover (16), two vertical limiting plates (11) are arranged on the bottom plate, bottom plate (10) upper surface has connected gradually telescopic link (14) and bottom plate (13), bottom plate (13) top correspondence is equipped with mounting plate (17), and mounting plate (17) top is passed through telescopic link (14) and is fixed on protection casing (16), protection casing (16) are U type structure, and protection casing (16) top is equipped with the pressure release hole, and the pressure release hole is connected with pressure release pipe (20) through the solenoid valve, is equipped with shower (19) in protection casing (16), and shower (19) are connected with nitrogen gas conveyor, and shower (19) bottom evenly distributed has several shower nozzle (18).

2. The cold and hot integrated explosion-proof detection test box for the power battery according to claim 1, characterized in that: the first baffle (8) is located above the opening (22), the first baffle (8) is of a hexagonal structure, the second baffle (4) is located below the opening (22), and the second baffle (4) is of a circular structure and has a diameter larger than that of the opening (22).

3. The cold and hot integrated explosion-proof detection test box for the power battery according to claim 1, characterized in that: the protection casing (16) lateral wall is equipped with several ventilation hole (23), and ventilation hole (23) in-connection has sealed lid (24), sealed lid (24) diameter is greater than ventilation hole (23) diameter, and sealed lid (24) are connected with ventilation hole (23) through spring (25).

4. The cold and hot integrated explosion-proof detection test box for the power battery according to claim 1, characterized in that: the front sides of the high-temperature box (9) and the low-temperature box (2) are hinged with box doors (26), the front sides of the box doors (26) are provided with observation windows (28), and the back sides of the box doors (26) are provided with sealing strips (27).

5. The cold and hot integrated explosion-proof detection test box for the power battery according to claim 1, characterized in that: two corners of the bottom of the lower supporting plate (13) are connected with limiting rods (12), and the bottoms of the limiting rods (12) are hinged on the bottom plate (10).