CN213692253U

CN213692253U - Special fireproof and explosion-proof box for battery pack

Info

Publication number: CN213692253U
Application number: CN202023225586.1U
Authority: CN
Inventors: 蒋文
Original assignee: Shenzhen Dragonfly Internet Smart Technology Co ltd
Current assignee: Shenzhen Dragonfly Internet Smart Technology Co ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-07-13
Anticipated expiration: 2030-12-28

Abstract

The utility model provides a special case of group battery fire prevention explosion-proof. This group battery fire and explosion protection special case includes explosion-proof case shell, rear end cap and the sealed lid that is used for sealed explosion-proof case shell, and sealed lid rotates to be connected at explosion-proof case shell upside, and explosion-proof case shell is inside still to be provided with the intermediate level that is used for the fire prevention and to be used for explosion-proof inlayer box, and explosion-proof case shell setting is hugged closely to the intermediate level, and the intermediate level setting is hugged closely to the inlayer case, and the connection can be dismantled in explosion-proof case shell one side to the rear end cap, and forms the control. The utility model discloses an in mutually support between explosion-proof case shell, intermediate level and the inlayer box and form three-layer fire prevention explosion-proof structure, can prevent effectively that the battery from the harm that causes external environment when charging on fire or explosion, make the utility model discloses it is more intelligent, smart jack's setting can be for the utility model provides a power-off protection improves the utility model discloses a safety in utilization.

Description

Special fireproof and explosion-proof box for battery pack

Technical Field

The utility model relates to a technical field of the special case of fire prevention explosion-proof especially relates to the special case of group battery fire prevention explosion-proof.

Background

With the gradual improvement of living standard, the electric vehicle plays an increasingly important role in the life of people.

However, when charging an electric vehicle, a user may detach the battery in the electric vehicle and transport the battery to a room for charging, and the battery may be ignited or exploded after being charged for a long time, which may cause a certain safety hazard when charging the battery indoors.

Therefore, in order to avoid the occurrence of fire or explosion when charging the battery, it is necessary to equip the battery with an explosion-proof case, which is a professional harness for temporarily storing or transporting explosives, capable of suppressing the damaging effect of shock waves and fragments generated by the explosives on the surrounding environment.

But present explosion-proof case simple structure, the function is single, and people can not in time handle when inside high temperature moreover, also can lead to explosion-proof case's life to shorten, and explosion-proof case among the prior art is when the battery takes place to catch fire or explode moreover, and the battery charger often still is in the on-state to probably cause bigger harm.

Therefore, it is urgently required to redesign a new fire-proof and explosion-proof special box to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides an explosion-proof special case of group battery fire prevention to solve the technical problem who proposes in the above-mentioned background art.

The utility model provides a special case for fire and explosion protection of a battery pack, which comprises an explosion-proof case shell, a rear end cover and a sealing cover for sealing the explosion-proof case shell, wherein the sealing cover is rotatably connected on the upper side of the explosion-proof case shell, the explosion-proof case shell is internally provided with a middle layer for fire protection and an inner layer case body for explosion protection, the middle layer is arranged closely attached to the inner wall of the explosion-proof case shell, the inner layer case body is arranged closely attached to the inner wall of the middle layer, the rear end cover can be detachably connected on one side of the explosion-proof, and form the control chamber between explosion-proof box shell and the rear end cap, be provided with the smart jack and the battery charger that are used for the current protection in the control chamber, the charging seat has been seted up to the explosion-proof box shell outside, and the charging seat is connected with the smart jack electricity, and the smart jack is connected with the battery charger electricity, and the electric current that gets into the charging seat conveys to the battery charger in, and the battery charger charges for placing the battery in the inlayer incasement.

Optionally, a driving assembly for controlling the sealing cover to open or close is arranged in the explosion-proof box shell.

Optionally, drive assembly is including uncapping the connecting piece and the motor of uncapping, uncapping connecting piece one end and sealed lid fixed connection, the connecting piece other end of uncapping is provided with a plurality of gears of evenly arranging, the gear is connected with the output meshing of the motor of uncapping, when the motor during operation of uncapping, the output of the motor of uncapping drives the connecting piece of uncapping and rotates, thereby the connecting piece of uncapping drives sealed lid and opens or be.

Optionally, a cover opening button for controlling the opening or closing of the sealing cover is arranged on the upper side surface of the explosion-proof box shell, and the cover opening button is electrically connected with a cover opening motor.

Optionally, the inner side surface of the explosion-proof box shell is provided with a temperature sensing probe for detecting the temperature in the inner box body and a smoke sensing probe for detecting whether smoke exists in the inner box body, and the temperature sensing probe and the smoke sensing probe are arranged oppositely.

Optionally, a control panel is arranged in the control cavity, and the control panel is electrically connected with the temperature sensing probe, the smoke sensing probe and the cover opening button respectively.

Optionally, the sealing cover is provided with a locking device for locking the sealing cover and the explosion-proof box shell.

Optionally, the locking device includes a connecting portion, a locking shaft, a clamping block and an identification column, the connecting portion is fixedly connected to the sealing cover, the locking shaft is rotatably connected to the connecting portion, the identification column is fixedly connected to one end of the locking shaft extending out of the sealing cover, and the clamping block is fixedly connected to one end of the locking shaft far away from the identification column.

Optionally, the control cavity is further connected with a fire extinguisher and a cooling fan, the fire extinguisher is used for extinguishing the charged battery in the inner layer box, and the cooling fan is used for timely discharging heat in the inner layer box.

Optionally, the side wall of the explosion-proof box shell is provided with a plurality of air inlets, and the rear end cover is provided with a plurality of air outlets.

The utility model has the advantages as follows:

the special fireproof and explosion-proof case for the battery pack comprises an explosion-proof case shell, a rear end cover and a sealing cover for sealing the explosion-proof case shell, wherein the sealing cover is rotatably connected to the upper side of the explosion-proof case shell, an intermediate layer for fire prevention and an inner layer case body for explosion prevention are further arranged inside the explosion-proof case shell, the intermediate layer is tightly attached to the explosion-proof case shell, the inner layer case is tightly attached to the intermediate layer, the rear end cover is detachably connected to one side of the explosion-proof case shell, and a control cavity is formed between the explosion-proof case shell and the rear end cover, wherein the explosion-proof case shell, the intermediate layer and the inner layer case body are mutually matched to form a three-layer fireproof and explosion-proof structure, so that the damage of a battery to the external environment during charging can be effectively prevented, meanwhile, the driving assembly can realize the automatic opening or closing of the sealing cover, when the battery in the inner box body is short-circuited, overcharged and leaked electricity, the intelligent socket can cut off the connection between the external power supply and the battery charger and the battery in time, thereby improving the use safety of the utility model.

Drawings

Fig. 1 is a schematic structural view of a fire-proof and explosion-proof special box for a battery pack provided by the utility model;

FIG. 2 is an enlarged view of a portion of area A of FIG. 1;

fig. 3 is a schematic sectional structural view of the special fireproof and explosion-proof box for the battery pack provided by the present invention;

fig. 4 is a schematic structural view of an embodiment of the special fireproof and explosion-proof box for the battery pack provided by the present invention;

FIG. 5 is a partial enlarged view of the area B in FIG. 4;

fig. 6 is a schematic structural view of another embodiment of the special fireproof and explosion-proof box for the battery pack provided by the present invention;

fig. 7 is a schematic structural view of an embodiment of a locking device of a fireproof and explosion-proof special box for a battery pack provided by the present invention;

the main element symbols are as follows:

100. an explosion-proof case housing; 110. a cover opening button;

200. a rear end cap; 210. an air outlet;

300. a sealing cover;

400. an intermediate layer;

500. an inner layer box body; 510. an air inlet;

600. a control chamber; 610. an intelligent socket; 620. a battery charger; 630. a charging seat; 640. a control panel; 650. a fire extinguisher; 660. a heat radiation fan;

710. uncovering the connecting piece; 711. a gear; 720. a cover opening motor;

800. a temperature sensing probe; 810. a smoke sensing probe;

900. a locking device; 910. a connecting portion; 920. a latch shaft; 930. a clamping block; 940. the pillars are identified.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

Referring to fig. 1 to 7, fig. 1 is a schematic structural view of a fire-proof and explosion-proof special box for a battery pack provided by the present invention; FIG. 2 is an enlarged view of a portion of area A of FIG. 1; fig. 3 is a schematic sectional structural view of the special fireproof and explosion-proof box for the battery pack provided by the present invention; fig. 4 is a schematic structural view of an embodiment of the special fireproof and explosion-proof box for the battery pack provided by the present invention; fig. 5 is a partial enlarged view of a region B in fig. 4, and fig. 6 is a schematic structural view of another embodiment of the special fireproof and explosion-proof box for a battery pack provided by the present invention; fig. 7 is a schematic structural view of an embodiment of the locking device of the fireproof and explosion-proof special box for battery pack provided by the present invention.

The utility model discloses an explosion-proof special case of group battery fire prevention includes explosion-proof case shell 100, rear end cap 200 and the sealed lid 300 that is used for sealed explosion-proof case shell 100.

Wherein, sealed lid 300 rotates to be connected at explosion-proof box shell 100 upside, explosion-proof box shell 100 is inside still to be provided with and to be used for the intermediate level 400 of fire prevention and be used for blast proof inlayer box 500, intermediate level 400 hugs closely explosion-proof box shell 100 inner wall setting, inlayer box 500 hugs closely intermediate level 400 inner wall setting, connection can be dismantled in explosion-proof box shell 100 one side to rear end cap 200, and form control chamber 600 between explosion-proof box shell 100 and the rear end cap 200, be provided with smart jack 610 and the battery charger 620 that is used for the outage protection in the control chamber 600, charging seat 630 has been seted up in the explosion-proof box shell 100 outside, charging seat 630 is connected with smart jack 610 electricity, smart jack 610 is connected with battery charger 620 electricity, the electric current that gets into charging seat 630 conveys in battery charger 620, battery.

Explosion-proof box shell 100, middle level 400 and inlayer box 500 three layer construction carry out fire prevention explosion-proof protection to the battery of placing in inlayer box 500, thereby can take place the electric leakage when the battery charges for a long time and catch fire, play isolation protection's effect to the battery when the circumstances such as explosion, and simultaneously, intelligent socket 610 in the control chamber 600 can play electric leakage protection's effect, when the battery takes place the short circuit, overcharge, the electric leakage or catch fire, during the circumstances such as explosion, intelligent socket 610 can in time cut off the electric current in the circuit, thereby play electric leakage protection's effect.

When the user need use the utility model discloses a group battery fire prevention explosion-proof special case when charging to the battery, the user places the battery in inlayer box 500, and charging seat 630 is connected with external power source, and charging seat 630 supplies power to battery charger 620, and simultaneously, battery charger 620 charges to the battery of placing in the inlayer protective box.

In this embodiment, a driving assembly is provided in the explosion-proof box housing 100, and the driving assembly is used for controlling the sealing cover 300 to open or close, so that the opening or closing of the sealing cover 300 of the present invention is more intelligent.

As a more preferred embodiment of this embodiment, drive assembly includes uncapping connecting piece 710 and uncapping motor 720, uncapping connecting piece 710 one end and sealed lid 300 fixed connection, uncapping connecting piece 710 other end is provided with a plurality of gears 711 of evenly arranging, gear 711 is connected with the output meshing of uncapping motor 720, when uncapping motor 720 during operation, uncapping motor 720's output drives uncapping connecting piece 710 and rotates to uncapping connecting piece 710 drives sealed lid 300 and opens or close.

Wherein, when the user need control the opening or closing of sealed lid 300, motor 720 entering operating condition uncaps, the output of motor 720 that uncaps takes place to rotate, thereby drive connecting piece 710 that uncaps to rotate, and then connecting piece 710 that uncaps drives sealed lid 300 and rotates, thereby realized the automated control to sealed lid 300, and simultaneously, motor 720 and the meshing of connecting piece 710 that uncaps are connected, can improve motor 720 that uncaps to uncap connecting piece 710 control precision.

In this embodiment, a cap opening button 110 is disposed on the upper side surface of the explosion-proof box housing 100, the cap opening button 110 is electrically connected to a cap opening motor 720, and the cap opening button 110 is used for controlling the opening or closing of the sealing cap 300.

The uncap button 110 mainly controls the operating state of the uncap motor 720, thereby controlling the opening or closing of the sealing cover 300.

Specifically, the open cover button 110 may be made of a transparent material, and the open cover button 110 may display a charging state of a battery placed in the inner case 500, when an electric quantity of the battery in the inner case 500 is not full, the open cover button 110 is displayed in red, when the electric quantity of the battery in the inner case 500 is full, the open cover button 110 is displayed in green, and simultaneously, the open cover button 110 may be installed on one side of the explosion-proof case housing 100 away from a junction of the sealing cover 300 and the explosion-proof case housing 100.

In this embodiment, a temperature sensing probe 800 for detecting the temperature of the inner box 500 and a smoke sensing probe 810 for detecting whether smoke exists in the inner box 500 are disposed on the inner side surface of the explosion-proof box housing 100, and the temperature sensing probe 800 and the smoke sensing probe 810 are disposed opposite to each other.

Wherein, temperature-sensing probe 800 and smoke sensing probe 810 can carry out real-time supervision to the battery in the inlayer box 500 to prevent that the battery from charging unusually, thereby can improve the utility model discloses a fire prevention explosion-proof function.

In this embodiment, a control board 640 is disposed in the control cavity 600, and the control board 640 is electrically connected to the temperature sensing probe 800, the smoke sensing probe 810 and the lid opening button 110 respectively.

The control board 640 is mainly used for controlling the temperature sensing probe 800, the smoke sensing probe 810 and the decapping button 110.

In this embodiment, the sealing cover 300 is provided with a locker 900 for locking the sealing cover 300 with the explosion-proof case housing 100.

When the sealing cover 300 needs to be opened, the sealing cover 300 can be rotated only by opening the locking device 900 first.

Specifically, the locking device 900 includes a connecting portion 910, a locking shaft 920, a clamping block 930 and an identification column 940, the connecting portion 910 is fixedly connected to the sealing cover 300, the locking shaft 920 is rotatably connected to the connecting portion 910, the identification column 940 is fixedly connected to one end of the locking shaft 920 extending out of the sealing cover 300, and the clamping block 930 is fixedly connected to one end of the locking shaft 920 far away from the identification column 940.

When a user needs to open the sealing cover 300, the locking shaft is firstly rotated through the external opening device, the locking shaft rotates to drive the clamping block to rotate, so that the clamping block is separated from the inner side of the explosion-proof box, the sealing cover can be normally opened, the explosion-proof performance can be enhanced through the arrangement of the locking device 900, and the sealing cover 300 is opened when the battery is prevented from exploding.

More specifically, the identification post 940 is adapted to be adapted to an external opening device, that is, the rotation of the latch shaft 920 can be controlled only by a specific opening device, so as to enhance the safety of the present invention.

Referring to fig. 1 to 5, in the present embodiment, a fire extinguisher 650 and a heat dissipation fan 660 are further connected to the control chamber 600, the fire extinguisher 650 is used for extinguishing a fire of the battery charged in the inner case 500, and the heat dissipation fan 660 is used for discharging heat in the inner case 500 in time.

Wherein, fire extinguisher 650 is preferred for the aerosol fire extinguisher 650, and when the battery in the inlayer box 500 takes place the abnormal conditions such as electric leakage or catching fire, the aerosol fire extinguisher 650 sprays the aerosol to inlayer box 500 and the battery of placing in inlayer box 500, can in time eliminate the conflagration and the explosion risk that the battery burning produced.

Simultaneously, radiator fan 660 can in time discharge the high temperature in inlayer box 500 when the battery charges the utility model discloses an explosion-proof special case of group battery fire prevention to further improve the radiating effect.

As a preferred embodiment of this embodiment, the side wall of the explosion-proof box housing 100 is provided with a plurality of air inlets 510, and the rear end cover 200 is provided with a plurality of air outlets 210.

On the one hand, air intake 510 and air outlet 210 can keep the circulation of air in the inlayer box 500 to avoid the production of inlayer box 500 internal high temperature, on the other hand, radiator fan 660's setting can improve the flow rate of gas between air intake 510 and the air outlet 210, thereby accelerated the gaseous mobile plastics in the inlayer box 500, and then promoted the effect of dispelling the temperature, thereby avoided the battery in the inlayer box 500 to take place high temperature when charging and pile up and cause harm to the battery.

In this embodiment, the inner casing 500 is made of stainless steel, and the middle layer 400 is made of rock wool. Inlayer box 500 adopts stainless steel and intermediate layer 400 to adopt the rock wool to further improve the utility model discloses a fire prevention thermal-insulated effect, simultaneously, the utility model discloses an explosion-proof case shell 100's fire-retardant grade can reach UL-V0 grade, greatly improves the utility model discloses a fire prevention and explosion-proof effect.

The special fireproof and explosion-proof box for the battery pack comprises an explosion-proof box shell 100, a rear end cover 200 and a sealing cover 300 for sealing the explosion-proof box shell 100, wherein the sealing cover 300 is rotatably connected to the upper side of the explosion-proof box shell 100, an intermediate layer 400 for fire prevention and an inner layer box body 500 for explosion prevention are further arranged inside the explosion-proof box shell 100, the intermediate layer 400 is tightly attached to the explosion-proof box shell 100, the inner layer box is tightly attached to the intermediate layer 400, the rear end cover 200 is detachably connected to one side of the explosion-proof box shell 100, and a control cavity 600 is formed between the explosion-proof box shell 100 and the rear end cover 200, wherein the explosion-proof box shell 100, the intermediate layer 400 and the inner layer box body 500 are matched with each other to form a three-layer fireproof and explosion-proof structure, so that the damage of the battery to the external environment during charging can be effectively prevented, the setting of smart jack 610 can do the utility model provides a power-off protection, smart jack 610 can in time cut off external power and battery charger 620 and be connected of battery when the battery in inlayer box 500 takes place the short circuit, overcharges and the condition such as electric leakage, thereby improves the utility model discloses an safety in utilization.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A special case for fire and explosion protection of a battery pack is characterized by comprising an explosion-proof case shell, a rear end cover and a sealing cover for sealing the explosion-proof case shell, wherein the sealing cover is rotatably connected to the upper side of the explosion-proof case shell, a middle layer for fire protection and an inner layer case body for explosion protection are further arranged inside the explosion-proof case shell, the middle layer is tightly attached to the inner wall of the explosion-proof case shell, the inner layer case body is tightly attached to the inner wall of the middle layer, the rear end cover is detachably connected to one side of the explosion-proof case shell, a control cavity is formed between the explosion-proof case shell and the rear end cover, an intelligent socket for current protection and a battery charger are arranged in the control cavity, a charging seat is arranged on the outer side of the explosion-proof case shell and is electrically connected with the intelligent socket, the intelligent, the current entering the charging seat is transmitted into the battery charger, and the battery charger charges the battery placed in the inner box body.

2. The special case for fire and explosion protection of battery pack according to claim 1, wherein a driving assembly for controlling the opening or closing of the sealing cover is provided in the explosion-proof case housing.

3. The special fireproof and explosion-proof box for the battery pack according to claim 2, wherein the driving assembly comprises an uncovering connecting piece and an uncovering motor, one end of the uncovering connecting piece is fixedly connected with the sealing cover, a plurality of gears which are uniformly distributed are arranged at the other end of the uncovering connecting piece, the gears are meshed with the output end of the uncovering motor, and when the uncovering motor works, the output end of the uncovering motor drives the uncovering connecting piece to rotate, so that the uncovering connecting piece drives the sealing cover to be opened or closed.

4. The special fireproof and explosion-proof box for the battery pack as claimed in claim 3, wherein a cover opening button for controlling the opening or closing of the sealing cover is arranged on the upper side surface of the explosion-proof box shell, and the cover opening button is electrically connected with the cover opening motor.

5. The special fireproof and explosion-proof box for the battery pack as claimed in claim 4, wherein a temperature sensing probe for detecting the temperature in the inner box body and a smoke sensing probe for detecting whether smoke exists in the inner box body are arranged on the inner side surface of the outer shell of the explosion-proof box, and the temperature sensing probe and the smoke sensing probe are arranged oppositely.

6. The special fireproof and explosion-proof box for the battery pack according to claim 5, wherein a control panel is arranged in the control cavity, and the control panel is electrically connected with the temperature sensing probe, the smoke sensing probe and the cover opening button respectively.

7. The special case for fire and explosion protection of battery pack as claimed in claim 1, wherein said sealing cover is provided with a locking device for locking said sealing cover with said explosion-proof case housing.

8. The special fireproof and explosion-proof box for the battery pack according to claim 7, wherein the locking device comprises a connecting part, a locking shaft, a clamping block and an identification column, the connecting part is fixedly connected with the sealing cover, the locking shaft is rotatably connected in the connecting part, the identification column is fixedly connected to one end of the locking shaft extending out of the sealing cover, and the clamping block is fixedly connected with one end of the locking shaft far away from the identification column.

9. The fire-proof and explosion-proof special box for the battery pack according to claim 1, wherein a fire extinguisher and a cooling fan are further connected in the control cavity, the fire extinguisher is used for extinguishing the fire of the battery charged in the inner box, and the cooling fan is used for timely discharging the heat in the inner box.

10. The special fireproof and explosion-proof box for the battery pack according to claim 1, wherein a plurality of air inlets are formed in the side wall of the shell of the explosion-proof box, and a plurality of air outlets are formed in the rear end cover.