CN205195326U - Mine explosion-proof large-capacity lithium ion storage battery power supply with exhaust and pressure relief functions - Google Patents

Abstract

The utility model discloses a mine explosion-proof large-capacity lithium ion storage battery power supply with the functions of air exhaust and pressure relief, wherein a lithium ion storage battery pack is arranged in a shell, and the shell comprises a battery pack cavity, a ventilation and pressure relief device, a wiring cavity and a power switch; the battery pack cavity is arranged on one side of the shell, and the wiring cavity is arranged on the other side of the shell; moreover, the battery pack cavity and the wiring cavity are respectively provided with an upper cover; the battery pack cavity is used for placing a lithium ion storage battery pack, and the wiring cavity is used for connecting an external device with the lithium ion storage battery pack placed in the battery pack cavity; the side wall of the shell is also provided with a power switch, and the lithium ion storage battery pack placed in the battery pack cavity is directly subjected to on-off control through the power switch; and a ventilation and pressure reduction device is arranged on the side wall of the battery pack cavity and is designed into an L shape, one end of the L shape is connected with the battery pack cavity, and the other end of the L shape is connected with the outside air. Therefore, the utility model discloses can make the mining explosion-proof large capacity lithium ion battery power of area exhaust pressure release function have stability, the security is extremely strong.

Description

A mining explosion-proof large-capacity lithium-ion battery power supply with exhaust and pressure relief function

technical field

The utility model relates to the mechanical field, in particular to a mining explosion-proof large-capacity lithium-ion storage battery power supply with exhaust and pressure relief functions.

Background technique

At present, when there are defects in the production process, or misuse or abuse in the use process, lithium-ion batteries may experience liquid leakage, pressure release, fire or even explosion, accompanied by a large amount of gases, liquids and powdery solids. A mixture of particles. Therefore, the application of mine explosion-proof large-capacity lithium-ion battery power supply with exhaust and pressure relief function in the power supply of emergency avoidance facilities requires its own safety design to improve safety performance. In addition, it is also necessary to carry out safety protection for the entire mine-use explosion-proof large-capacity lithium-ion battery power supply with exhaust and pressure relief function.

Utility model content

In view of this, the purpose of this utility model is to propose a mine explosion-proof large-capacity lithium-ion battery power supply with exhaust and pressure relief function, which can make the mine explosion-proof large-capacity lithium-ion battery power supply with exhaust and pressure relief function stable. Sex, strong security.

Based on the above purpose, the mine explosion-proof large-capacity lithium-ion battery power supply with exhaust and pressure relief function provided by the utility model includes a casing and a lithium-ion battery pack, and the lithium-ion battery pack is installed in the shell;

The housing includes a battery pack cavity, a ventilation and decompression device, a wiring cavity, and a power switch; wherein, the battery pack cavity is arranged on one side of the housing, and the wiring cavity is arranged on the other side of the housing; and , the battery pack cavity and the wiring cavity are opened on the top; in addition, the battery pack cavity is used to place a lithium-ion battery pack, and the wiring cavity is used for external devices and placed in the battery pack cavity Lithium-ion battery pack in the wiring;

In addition, a power switch is also provided on the side wall of the casing, and the lithium-ion battery pack placed in the battery pack chamber is directly switched and controlled through the power switch; in addition, on the side wall of the battery pack chamber A ventilation and decompression device is installed on the top, and the ventilation and decompression device is designed in an L shape, one end of the L shape is connected with the battery pack cavity, and the other end is connected with the outside air.

Optionally, the ventilation and decompression device is made of nickel-copper alloy, stainless steel or other metal materials in the shape of a corrugated belt or a multi-layer mesh, or is made of copper-based powder metallurgy materials sintered at high temperature.

Optionally, a protective cover is provided on the port where the ventilation and decompression device is connected to the outside air, and on the top of the protective cover is a circular guard plate with ventilation holes on the side of the guard plate.

Further, the inside of the protective cover adopts a boss and a pressing ring to cooperate and press against the port of the ventilation and decompression device connected to the outside air.

Further, the shell also includes an exhaust hood plate, which is installed on the ventilation and decompression device, and is welded integrally with the outer wall of the shell; the exhaust hood plate can be connected with the There is a certain distance between the port of the ventilation and decompression device communicating with the outside air, and at the same time, it can be covered on the port of the ventilation and decompression device communicating with the outside air.

Further, an inverted Γ-shaped baffle is provided on a port of the ventilation and decompression device connected to the battery pack cavity, and the free end of the horizontal wall of the Γ-shaped baffle is fixedly connected to the inner wall of the battery pack cavity; The Γ-shaped baffle plate and the inner wall of the battery pack cavity form a space surrounded on three sides, wherein the lower side of the surrounded space is an opening.

Further, the housing also includes a power management system cavity arranged parallel to the wiring cavity on the other side of the housing, the power management system cavity is an upper open cover, and a handle is installed on the cover.

Optionally, a cable lead-in interface is also provided on the outer wall of the power management system cavity, and the cable lead-in interface is used for connecting the power management system cavity with external cables.

Optionally, the mine explosion-proof large-capacity lithium-ion battery power supply with exhaust and pressure relief function is designed with a window, a display screen and a sign, wherein the window and the display screen are respectively installed on the outer wall of the casing, and the window is used for Check the internal working conditions of the mine explosion-proof large-capacity lithium-ion battery power supply with exhaust and pressure relief function, and the display screen and the mine explosion-proof large-capacity lithium-ion battery with exhaust and pressure relief function placed in the power management system cavity The electronic board connection of the capacity lithium-ion battery power management system can display various conditions of the management system; in addition, the label is also installed on the outer wall of the casing, and the user writes some content that needs to be recorded and marked on the label.

Further, the display screen is installed on the viewing window; the housing is provided with two ventilation and decompression devices with different heights, which are respectively connected to the battery pack cavity.

It can be seen from the above that the mine explosion-proof large-capacity lithium-ion battery power supply with exhaust and pressure relief function provided by the utility model is installed in the shell through the lithium-ion battery pack, and the shell includes a battery pack chamber, a ventilating and decompressing device , wiring cavity and power switch; the battery pack cavity is arranged on one side of the shell, and the wiring cavity is arranged on the other side of the shell; The lithium-ion battery pack is used in the wiring cavity to connect the external device with the lithium-ion battery pack placed in the battery pack cavity; a power switch is also arranged on the side wall of the casing, and the power switch is directly connected to the battery pack through the power switch. The lithium-ion battery pack placed in the battery pack cavity is switched on and off; a ventilation and decompression device is installed on the side wall of the battery pack cavity, and the ventilation and decompression device is designed in an L shape, and one end of the L shape is connected to the battery pack cavity , and the other end is connected to the outside air. Therefore, the mine-used explosion-proof large-capacity lithium-ion battery power supply with exhaust and pressure relief function ensures that other chain accidents will not occur even when various extreme conditions occur in the lithium-ion battery power supply.

Description of drawings

Fig. 1 is a structural schematic diagram of a mine-used explosion-proof large-capacity lithium-ion battery power supply housing with exhaust and pressure relief functions in an embodiment of the utility model.

detailed description

In order to make the purpose, technical solutions and advantages of the utility model clearer, the utility model will be further described in detail below in combination with specific embodiments and with reference to the accompanying drawings.

As an embodiment of the present utility model, the mine-used explosion-proof large-capacity lithium-ion battery power supply with exhaust and pressure relief function includes a casing and a lithium-ion battery pack. Referring to Fig. 1, it is a structural schematic diagram of a mining explosion-proof large-capacity lithium-ion storage battery power supply housing with an exhaust and pressure relief function in an embodiment of the present utility model. The housing includes a battery pack cavity 1, a ventilation and decompression device 3, Wiring cavity 4 and power switch 9. Wherein, the battery pack cavity 1 is arranged on one side of the casing. Wherein, the lithium-ion battery pack is installed in the battery pack cavity 1 .

In addition, the battery pack cavity 1 and the wiring cavity 4 are respectively opened from the top. Preferably, covers are provided on the battery pack cavity 1 and the wiring cavity 4 respectively. Preferably, a handle is mounted on the lid. In addition, the battery chamber 1 can place a lithium-ion battery pack, and the wiring chamber 4 is used for connecting external devices to the lithium-ion battery pack placed in the battery chamber 1 .

In addition, a ventilation and decompression device 3 is installed on the side wall of the battery pack cavity 1 , and the battery pack cavity 1 communicates with the outside through the ventilation and decompression device 3 . Preferably, the ventilation and decompression device 3 is designed in an L shape, one end of the L shape is connected to the battery pack cavity 1 , and the other end is connected to the outside air. Preferably, the ventilation and decompression device 3 is made of nickel-copper alloy, stainless steel or other metal materials (except light metal) into a corrugated belt or multi-layer mesh shape, and the ventilation and decompression device 3 can also be made of copper-based powder metallurgy materials Sintered at high temperature. The ventilation and decompression device 3 can not only bear the pressure generated by the internal explosion of the lithium-ion battery pack, prevent the explosion from spreading to the explosive environment around the lithium-ion battery pack, but also reduce the explosion pressure and accelerate the pressure drop time in the lithium-ion battery pack. In addition, a power switch 9 is also arranged on the side wall of the casing, and the lithium-ion battery pack placed in the battery pack cavity 1 can be directly switched on and off through the power switch 9 .

As a preferred embodiment, the housing also includes a power management system cavity 5 arranged parallel to the wiring cavity 4 on the other side of the housing, the power management system cavity 5 is an upper open cover, and a handle is installed on the cover . The power management system cavity 5 is used to place the power management system electronic board. Preferably, a cable lead-in interface 6 is also provided on the outer wall of the power management system cavity 5, and the cable lead-in interface 6 is used for connecting the power management system cavity 5 with external cables.

In another embodiment, a protective cover is provided on the port where the ventilating and decompressing device 3 is connected to the outside air. Preferably, there is a circular guard plate on the top of the protective cover, and ventilation holes are opened on the side of the guard plate. Preferably, considering the impact of coal dust, water splashing, and collisions in coal mines, the material and strength of the protective cover are consistent with the mine explosion-proof large-capacity lithium-ion battery power supply with exhaust and pressure relief functions. And, protective cover has ventilation hole, is convenient to the pressure release of ventilation decompression device 3. In addition, the protective cover is made of cast steel Q235A, and its interior adopts a boss and a pressing ring to cooperate and press on the port connecting the ventilation and decompression device 3 to the outside air.

Also, as another preferred embodiment, an inverted "Γ"-shaped baffle is provided on a port where the ventilation and decompression device 3 is connected to the battery pack chamber 1, and the horizontal wall of the "Γ"-shaped baffle The free end is fixedly connected with the inner wall of the battery pack chamber 1. Therefore, the "Γ"-shaped baffle and the inner wall of the battery pack cavity 1 form a space surrounded on three sides, wherein the lower part of the surrounding space is an opening. Therefore, it is possible to prevent the gas, liquid and solid mixture ejected from the battery from clogging the ventilation and decompression device 3 . Preferably, a pressure relief valve is installed at the lower end of the shell close to the ventilating and decompressing device 3, so that the liquid is vaporized and the solid falls, and the pressure is released through the pressure relief valve from the lower side of the "Γ" type baffle.

In addition, as another preferred embodiment, the housing is provided with two ventilation and decompression devices 3 with different heights, which are respectively connected to the battery pack chamber 1 .

As another embodiment of the present utility model, the mine-used explosion-proof large-capacity lithium-ion battery power supply with exhaust and pressure relief function further includes an exhaust cover plate 2 . The exhaust hood plate 2 is installed above the ventilating and decompressing device 3, and is integrally welded with the outer wall of the shell. Preferably, the exhaust cover plate 2 can have a certain distance from the port communicating with the ventilation and decompression device 3 with the outside air, and can also cover the port that communicates with the ventilation and decompression device 3 with the outside air (as shown in Fig. shown in 1). Therefore, the exhaust hood panel 2 can further protect the ventilation and decompression device 3 .

Preferably, the mine explosion-proof large-capacity lithium-ion battery power supply with exhaust and pressure relief function can also be designed with a window 7, a display screen 8 and a sign 10. Wherein, the viewing window 7 and the display screen 8 are respectively installed on the outer wall of the casing, preferably the display screen 8 can be installed on the viewing window 7 . The window 7 can be used to check the internal working conditions of the mine explosion-proof large-capacity lithium-ion battery power supply with the exhaust and pressure relief function, and the display screen 8 is connected with the mine with the exhaust and pressure relief function placed in the power management system cavity 5. Connected with the electronic board of the explosion-proof large-capacity lithium-ion storage battery power management system, various conditions of the management system can be displayed. In addition, the label 10 is also installed on the outer wall of the housing, and the user writes on the label 10 some contents that need to be recorded and marked.

To sum up, the mine explosion-proof large-capacity lithium-ion battery power supply with exhaust and pressure relief function provided by the utility model can well protect the lithium-ion battery from the outside, so as to better protect the lithium-ion battery. ion storage battery, so that the lithium ion storage battery has a strong stability; the utility model has a good practical performance in the case of overcharging, short circuit, ignition and explosion of the mining explosion-proof large-capacity lithium-ion storage battery with exhaust and pressure relief function. Application effect; at the same time, the present invention is more convenient and fast to use, and is worthy of application and promotion; in addition, the mine-used explosion-proof large-capacity lithium-ion battery with exhaust and pressure relief function has low power supply cost, simple processing, and convenient installation; Finally, the mine-used explosion-proof large-capacity lithium-ion battery power supply with exhaust and pressure relief function is simple, compact and easy to implement.

Those of ordinary skill in the art should understand that: the above descriptions are only specific embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications made within the spirit and principles of the present utility model, equivalent Replacement, improvement, etc. should all be included in the protection scope of the present utility model.

Claims (10)

1. the mine anti-explosion high-capacity lithium-ion battery feed with exhaust pressure relief function, is characterized in that, comprises shell and lithium-ions battery group, and described lithium-ions battery group is arranged in described shell;

Described shell comprises battery cavity, ventilation decompressor, wire connection cavity and mains switch; Wherein, described battery cavity is arranged on an avris of this shell, and described wire connection cavity is arranged in another avris of this shell; Further, described battery cavity, described wire connection cavity are respectively and uncap; In addition, described battery cavity is for placing lithium-ions battery group, and described wire connection cavity is used for external device and the lithium-ions battery group be placed in described battery cavity carries out wiring;

In addition, the sidewall of this shell is also provided with mains switch, directly by this mains switch, switch control rule is carried out to the lithium-ions battery group be placed in described battery cavity; Further, the sidewall of described battery cavity is provided with ventilation decompressor, described ventilation decompressor design l-shaped, one end of L-type is connected with described battery cavity, and the other end is connected with outside air.

2. the mine anti-explosion high-capacity lithium-ion battery feed of band exhaust pressure relief function according to claim 1, it is characterized in that, described ventilation decompressor adopts nickel-copper alloy, stainless steel or other metal materials manufacture corrugated-ribbon or multi-deck screen is netted, or select copper based powder metallurgy material high temperature sintering to form.

3. the mine anti-explosion high-capacity lithium-ion battery feed of band exhaust pressure relief function according to claim 1, it is characterized in that, the port that described ventilation decompressor is connected with outside air is provided with protective cover, and protective cover top is a circular plates, backplate side has air vent hole.

4. the mine anti-explosion high-capacity lithium-ion battery feed of band exhaust pressure relief function according to claim 3, is characterized in that, on the port that described protective cover inside adopts boss and hold-down ring to coordinate to be pressed in described ventilation decompressor to be connected with outside air.

5. the mine anti-explosion high-capacity lithium-ion battery feed of band exhaust pressure relief function according to claim 4, it is characterized in that, described shell also comprises exhaust cover plate, and this exhaust cover plate is arranged on above described ventilation decompressor, and integrally welded with the outer wall of this shell; The port that described exhaust cover plate can be communicated with outside air with described ventilation decompressor has certain distance, can also hide on the port be communicated with outside air with described ventilation decompressor simultaneously.

6. the mine anti-explosion high-capacity lithium-ion battery feed of band exhaust pressure relief function according to claim 5, it is characterized in that, the Single port that described ventilation decompressor is connected with described battery cavity is provided with inverted Γ type baffle plate, and the free end of the horizontal wall of Γ type baffle plate is fixedly connected with described battery cavity inwall; Described Γ type baffle plate and described battery cavity inwall form a three sides surrounded space, and wherein surrounding below space is opening.

7. the mine anti-explosion high-capacity lithium-ion battery feed of band exhaust pressure relief function according to claim 5, it is characterized in that, described shell also comprises the power-supply management system chamber of another avris being arranged in parallel within this shell with wire connection cavity, uncap on being in power-supply management system chamber, this lid is provided with handle.

8. the mine anti-explosion high-capacity lithium-ion battery feed of band exhaust pressure relief function according to claim 7, it is characterized in that, the outer wall in described power-supply management system chamber is also provided with cable leading incoming interface, and this cable leading incoming interface is used for the connection of described power-supply management system chamber and external cable.

9. the mine anti-explosion high-capacity lithium-ion battery feed of band exhaust pressure relief function according to claim 8, it is characterized in that, the mine anti-explosion high-capacity lithium-ion battery feed of described band exhaust pressure relief function is designed with form, display screen and label, wherein, form, display screen is installed on the outer wall of this shell respectively, described form is for checking the working condition of the mine anti-explosion high-capacity lithium-ion battery feed inside of described band exhaust pressure relief function, and described display screen is connected with the electron plate of the mine anti-explosion high-capacity lithium-ion storage battery management system of the band exhaust pressure relief function of placing in described power-supply management system chamber, the various situations of this management system can be shown, in addition, described label is also arranged on the outer wall of this shell, and some contents needing record to indicate are written on this label by user.

10. the mine anti-explosion high-capacity lithium-ion battery feed of band exhaust pressure relief function according to claim 9, is characterized in that, described display screen is arranged on described form; Described shell is provided with the different ventilation decompressor of two height, is connected respectively with described battery cavity.