阅读说明：本技术 一种新能源汽车消防引导装置及电池箱 (New energy automobile fire control guiding device and battery box ) 是由 刘健 于 2021-08-02 设计创作，主要内容包括：本发明提供了一种新能源汽车消防引导装置及电池箱,包括：箱体和箱盖,箱体和箱盖密封连接,其内部形成一容置空间,箱体的容置空间内安装有多个电池组模块,电池组模块之间,以及电池组模块与箱体之间的连通空隙形成内部热交换空间,箱体或箱盖上设置有消防灭火流剂导入口和导出口,导入口和导出口与消防引导管道连通；导入口和导出口或消防引导管道设置有密封控制件；本发明通过上述设计得到的一种新能源汽车消防引导装置及电池箱,当车载电池出现异常高温时,将消防灭火流剂通过消防引导管道快速集中导入电池箱内部,直抵并包围高温电池芯组及其它易燃部位进行主动热交换,从而实现高效降温阻燃作用,且全过程操作快速精准,节约成本,提升消防灭火效率。(The invention provides a new energy automobile fire-fighting guiding device and a battery box, which comprise: the box body and the box cover are hermetically connected, an accommodating space is formed in the box body and the box cover, a plurality of battery pack modules are installed in the accommodating space of the box body, internal heat exchange spaces are formed among the battery pack modules and among communication gaps between the battery pack modules and the box body, a fire-fighting fire extinguishing fluid inlet and an outlet are formed in the box body or the box cover, and the inlet and the outlet are communicated with a fire-fighting guide pipeline; the leading-in port and the leading-out port or the fire-fighting guide pipeline are provided with sealing control pieces; according to the new energy automobile fire-fighting guiding device and the battery box, when the vehicle-mounted battery is abnormally high in temperature, the fire-fighting fluid is quickly and intensively guided into the battery box through the fire-fighting guiding pipeline and directly abuts against and surrounds the high-temperature battery core group and other inflammable parts to perform active heat exchange, so that the high-efficiency cooling and flame-retardant effect is achieved, the whole process is quick and accurate in operation, the cost is saved, and the fire-fighting efficiency is improved.)

1. The utility model provides a new energy automobile fire control guiding device which characterized in that includes: the box body and the box cover are hermetically connected, an accommodating space is formed in the box body, a plurality of battery pack modules are installed in the accommodating space of the box body, internal heat exchange spaces are formed among the battery pack modules and the box body, a fire-fighting fluid introducing port and a fire-fighting fluid outlet are formed in the box body or the box cover, and the introducing port and the fire-fighting fluid outlet are communicated with the fire-fighting guide channel; the leading-in port, the leading-out port or the fire-fighting guide channel communicated with the leading-in port and the leading-out port are provided with closed control pieces.

2. The new energy automobile fire fighting guidance device according to claim 1, characterized in that: the closed control piece arranged in the leading-in port, the leading-out port or the fire-fighting guide channel communicated with the leading-in port and the leading-out port can be a pressure penetration valve, a single-layer or multi-layer pressure penetration film is arranged in the pressure penetration valve, and the pressure penetration film isolates the accommodating space of the box body from the external space.

3. The new energy automobile fire fighting guidance device according to claim 2, characterized in that: the pressure penetrating valve can be used as a connecting piece, and the two ends of the valve of the pressure penetrating valve are provided with buckles or thread grooves which can be tightly connected with the inlet or the outlet and connected with the fire fighting guide pipeline or between the fire fighting guide pipelines.

4. The new energy automobile fire fighting guidance device according to claim 2, characterized in that: the pressure penetration valve is internally provided with a pressure penetration membrane which is an elastic membrane structure.

5. The new energy automobile fire fighting guidance device according to claim 4, characterized in that: the pressure penetrating membrane is fixedly connected with the pressure penetrating valve in a detachable or integrated mode.

6. The new energy automobile fire fighting guidance device according to claim 1, characterized in that: the lead-in port or the lead-out port is arranged at the position opposite to the gap in the battery box.

7. The new energy automobile fire fighting guidance device according to claim 1, characterized in that: and a protective closing valve can be arranged at the external entrance and exit of the fire-fighting guide channel.

8. The new energy automobile fire fighting guidance device according to claim 1, characterized in that: the fire extinguishing fluid is stored in an on-board container or an external fire-fighting facility.

9. The utility model provides a new energy automobile battery box which characterized in that: the fire-fighting guiding device of the new energy automobile comprises any one of claims 1 to 9.

Technical Field

The invention relates to the field of new energy automobiles, in particular to a fire-fighting guiding device of a new energy automobile and a battery box.

Background

Along with the gradual increase of the energy of the batteries of the electric automobiles, the corresponding safety problem is also increased, and the phenomena that the electric automobiles are ignited and smoke are rare in the industry are frequent. How to ensure the safety of the battery of the electric automobile under extreme conditions becomes a key topic for research in the field of electric automobiles. At present, no special fire extinguishing system is available for timely extinguishing the fire of the battery pack. Particularly, when the electric vehicle is charged in the underground parking lot, the charging process is a high-occurrence time period when the battery of the electric vehicle catches fire, and the parking spaces in the underground parking lot are dense, which easily leads to tragedy that the vehicle is continuously conducted to catch fire, so that the problem of spontaneous combustion caused by heat generation of the battery of the electric vehicle is related to public property and life safety, and the problem is urgently solved in the field of new energy vehicles.

Disclosure of Invention

The invention aims to provide a new energy automobile fire-fighting guiding device which can quickly cool or extinguish a battery with abnormal high temperature, so that the temperature of the battery is quickly lowered, and the situation that the battery generates heat in a short time to burn out a vehicle is avoided, thereby playing a fire-fighting role.

Another object of the present invention is to provide a new energy vehicle battery box, which can not only rapidly cool or extinguish an abnormally high temperature battery, so as to rapidly lower the temperature of the battery, but also prevent the battery from being heated in a short time to burn out the vehicle, thereby playing a role in fire protection.

The invention is realized by the following steps:

a new energy automobile fire control guider includes: the box body and the box cover are hermetically connected, an accommodating space is formed in the box body, a plurality of battery pack modules are installed in the accommodating space of the box body, internal heat exchange spaces are formed among the battery pack modules and the box body, a fire-fighting fluid introducing port and a fire-fighting fluid outlet are formed in the box body or the box cover, and the introducing port and the fire-fighting fluid outlet are communicated with the fire-fighting guide channel; the leading-in port, the leading-out port or the fire-fighting guide channel communicated with the leading-in port and the leading-out port are provided with closed control pieces.

Preferably, the closing control element arranged in the introducing port, the leading-out port or the fire fighting guide channel communicated with the introducing port and the leading-out port can be a pressure penetration valve, a single-layer or multi-layer pressure penetration membrane is arranged in the pressure penetration valve, and the pressure penetration membrane isolates the accommodating space of the box body from the external space.

Preferably, the pressure penetration valve can be used as a connecting piece, and a buckle or a thread groove is arranged at two ends of the valve of the pressure penetration valve, can be tightly connected with the inlet or the outlet and is connected with or between the fire fighting guide pipelines.

Preferably, a pressure penetration membrane is arranged in the pressure penetration valve, and the pressure penetration membrane is of an elastic membrane structure.

Further, the pressure penetrating membrane is fixedly connected with the pressure penetrating valve in a detachable or integrated mode.

Preferably, the inlet or the outlet is arranged at a position facing the gap inside the battery box.

Preferably, a protective closing valve can be arranged at the external entrance and exit of the fire fighting guide channel; specifically, a sealing valve is arranged at the communication position of the leading-in port and the leading-out port and the fire-fighting guide channel.

Preferably, the fire fighting fluid is stored in an on-board container or an external fire fighting facility.

The invention also provides a new energy automobile battery box which comprises the new energy automobile fire-fighting guiding device.

The invention has the beneficial effects that:

according to the new energy automobile battery box obtained through the design, when the vehicle-mounted battery is abnormally high in temperature, the fire-fighting liquid is quickly and intensively introduced into the automobile body battery box to directly abut against and surround the battery box and other inflammable parts for active heat exchange, so that efficient cooling and flame retardance are realized, the whole process is quick and accurate in operation, the cost is saved, and the fire-fighting efficiency is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic diagram of a battery box according to an embodiment of the present invention;

FIG. 2 is a first schematic view of a connector structure according to an embodiment of the present invention;

FIG. 3 is a second schematic view of a connector structure according to an embodiment of the present invention;

FIG. 4 is a third schematic view of a connector structure according to an embodiment of the present invention;

FIG. 5 is a fourth schematic view of a connector structure according to an embodiment of the present invention;

FIG. 6 is a schematic view of another connector configuration provided by an embodiment of the present invention;

FIG. 7 is a schematic view of a connection portion according to another embodiment of the present invention;

FIG. 8 is a schematic structural view of a battery box according to another embodiment of the present invention;

fig. 9 is a schematic view of the internal structure of a battery box according to another embodiment of the present invention.

Icon: 100. a battery box; 10. a box body; 11. a box cover; 20. a battery module; 101. an inlet port; 102. a lead-out port; 103. a mounting member; 104. a first channel; 105. a second channel; 106. a third channel; 1011. a second communication port; 1012. a first communication port; 1013. a limiting part; 1014. a first connection portion; 1015. pressure-penetrating the membrane; 1016. a second connecting portion; 12. a connecting member; 120. an annular groove; 13. an external pipeline; 30. a pressure-permeable valve; 300. an accommodating cavity; 3000. a valve body housing; 301. a second joint; 302. a first screw shell; 303. a fastener; 3033. mounting a shell; 304. a second screw shell; 3040. a holding member; 3041. a holding portion; 40. an intermediate connecting member; 401. a first screw connection portion; 402. an intermediate fastener; 403. a second screw connection portion; 501. a first joint; 502. a first conduit; 601. a third joint; 602. an external pipeline.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the present invention, unless otherwise expressly stated or limited, the first feature may be present on or under the second feature in direct contact with the first and second feature, or may be present in the first and second feature not in direct contact but in contact with another feature between them. Also, the first feature being above, on or above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature. A first feature that underlies, and underlies a second feature includes a first feature that is directly under and obliquely under a second feature, or simply means that the first feature is at a lesser level than the second feature.

Referring to fig. 1, the present invention provides a new energy vehicle battery box 100, including: the battery box 100 comprises a box body 10 and a box cover 11, wherein the box body 10 is hermetically connected with the box cover 11, and the box body 10 is provided with a mounting piece 103 for mounting the battery box 100 on a new energy automobile; an accommodating space is formed inside the battery box 100, a plurality of battery pack modules 20 are installed in the accommodating space of the box body 10, internal heat exchange spaces, namely fire-fighting guide channels, are formed by gaps between the battery pack modules 20 and the box body 10, fire-fighting fluid inlet 101 and fire-fighting fluid outlet 102 are arranged on the box body 10 or the box cover 11, and the inlet 101 and the fire-fighting fluid outlet 102 are communicated with the fire-fighting guide channels; the introducing port 101, the discharging port 102 or the fire-fighting guide channel communicated with the introducing port and the discharging port are provided with a closed control member. In the present invention, it should be noted that the battery box 100 is not a standard product, and the structural features thereof are designed according to the corresponding type of the electric vehicle, and in order to facilitate understanding, the present invention adopts a common battery box 100 structure in the embodiments for description, and is not limited to the battery box 100 structure shown in the drawings of the present embodiment.

Further, in the present invention, a single-layer or multi-layer pressure penetration film 1015 is disposed in the introduction port 101, the discharge port 102 or a fire fighting guide channel communicated therewith, and the pressure penetration film 1015 isolates the accommodating space of the box body 10 from an external space. In actual operation, the pressure penetration membrane 1015 is a membrane structure which is damaged when reaching a specific external output pressure value, the membrane structure is not a specific special material, structural parameter specifications such as required thickness of different materials and the like are adjusted to reach a limited pressure breakthrough value, and the membrane structure is more economical and practical and has stronger adaptability to the environment.

A connection member is provided at the introduction port 101 or a pipeline communicating therewith, and the connection member is used for connecting with an external pipeline for communicating the fire extinguishing fluid.

For the connecting member, the first embodiment:

in this embodiment, the closing control member disposed in the introduction port 101, the discharge port 102 or the fire-fighting guide channel communicated with the introduction port 101 and the discharge port 102 is a pressure penetration valve 30, the pressure penetration valve 30 can be used as a connecting member, and a snap or a thread groove is disposed at both ends of the valve of the pressure penetration valve 30, so that the introduction port 101 or the discharge port 102 can be tightly connected and connected with or between the fire-fighting guide pipes. The structure of the pressure-penetration valve 30 please refer to fig. 2, 3, 4 and 5, the first pipeline 502 is communicated with the introduction port 101, the end of the first pipeline 502 is connected with the first joint 501, and the end of the first joint 501 is connected with the pressure-penetration valve 30, wherein the pressure-penetration valve 30 comprises a pressure-penetration membrane 1015, a valve body shell 3000, a supporting member 3040 and a fastening member 303, the valve body shell 3000 comprises a second joint 301, a first spiral shell 302 and a mounting shell 3033, the second joint 301, the first spiral shell 302 and the mounting shell 3033 are sequentially and integrally formed with a coaxial line, a flow hole is formed on the axis of the second joint 301, the first spiral shell 302 and the mounting shell 3033, and a receiving cavity 300 is formed on the mounting shell 3033 at the end of the valve body shell 3000, the receiving cavity 300 is circular and is used for receiving the pressure-penetration membrane 1015, wherein the pressure-penetration membrane 1015 and the pressure-penetration membrane 1015 are of an elastic membrane structure, moreover, the pressure-penetrable membrane 1015 and the pressure-penetrable valve 30 are detachably or integrally fixedly connected, in this embodiment, detachably connected; the outer ring surface and the inner ring surface of the mounting shell 3033 are both provided with thread grooves for connection; one end of the abutting part 3040 is an abutting part 3041 matched with the shape of the accommodating cavity 300, the outer annular surface of the abutting part 3041 is provided with a thread groove, the thread groove is fastened and connected with a thread groove arranged on the inner annular surface of the mounting housing 3033, so that the abutting part 3041 abuts against a pressure penetration membrane accommodated in the accommodating cavity 300 from the axial direction, the other side of the abutting part 3041 is integrally connected with a second screw shell 304 for fastening the abutting part 3041, the centers of the second screw shell 304 and the abutting part 3041 are provided with circulation holes, the inner wall surface of the second screw shell 304 is provided with a thread groove for connecting an external pipeline 602, and the corresponding external pipeline 602 is provided with an external thread groove matched with the thread groove; or, an intermediate connector 40 is connected between the connection positions of the external pipes 602 and then communicated with the external pipes 602, the corresponding connection position of the external pipe 602 is an internal thread groove matched with the intermediate connector 40, as shown in the figure, a third connector 601 connected with the external pipe 602; the intermediate connecting piece 40 comprises a first thread-engaging portion 401, a second thread-engaging portion 403 and an intermediate fastening piece 402, wherein the first thread-engaging portion 401 and the second thread-engaging portion 403 are oppositely arranged on two sides of the intermediate fastening piece 402 and are both provided with external threads, and are used for connecting with an external pipeline 602 which can only be internally connected in a matching manner, and it needs to be noted that a flow hole is formed in the axial direction of the intermediate connecting piece 40; the fastening member 303 is provided with a through receiving hole and an annular groove in the axial direction, wherein the receiving hole is used as a supporting member 3040 connected with the valve body housing 3000, the second screw housing 304 penetrates out of the receiving hole, the radial wall surface of the annular groove is provided with a thread groove connected and matched with the outer annular surface of the mounting housing 3033, and after the mounting housing 3033 is connected with the fastening member 303, the bottom wall of the annular groove supports against the supporting portion 3041 in the axial direction, so as to further provide fastening pressure for the pressure penetration membrane. The principle of the fire fighting process is that the fire extinguishing fluid communicated with the external pipe 602 is introduced into the pressure penetration valve 30 under pressure to burst the pressure penetration membrane under pressure, so that the fire extinguishing fluid passes through the pressure penetration valve 30 and enters the fire extinguishing guide passage from the introduction port to perform the fire extinguishing operation.

For the connecting piece, the specific embodiment two:

as shown in fig. 5, the connecting member includes a first connecting portion 1014, a second connecting portion 1016, and a limiting portion 1013, the first connecting portion 1014 and the second connecting portion 1016 are respectively provided with a first communicating opening 1012 and a second communicating opening 1011, and the pressure permeable membrane 1015 is fixedly installed between the first communicating opening 1012 and the second communicating opening 1011; the spacing part 1013 is disposed between the first connection part 1014 and the second connection part 1016, and is used to facilitate installation to a standard position, and prevent the falling-off phenomenon caused by the improper installation. A wedge-shaped boss is formed at the joint of the first communication port 1012 and the second communication port 1011, and the peripheral connecting surface of the pressure penetration film 1015 is a conical surface attached to the surface of the wedge-shaped boss; with reference to fig. 5, an included angle between the bus bar of the wedge-shaped boss and the axis of the connecting member is α, and in this embodiment, a value range of α is any angle of 30 to 60 °, it should be noted that, since the connection between the first communication port 1012 and the second communication port 1011 forms a wedge-shaped boss, and in the embodiment shown in fig. 2, the area of the first communication port 1012 is larger than that of the second communication port 1011, when the second communication port 1011 is connected to an external pipeline to enter a fire-fighting liquid, the pressure-permeable film 1015 is facilitated to be pushed away, and when the pressure-permeable film 1015 can bear a larger pressure in the reverse direction, when the internal and external air pressure differences in the case 10 are caused by heat generated when the battery pack module 20 in the battery case 100 is working, the protection effect is higher, and in this embodiment, the pressure-permeable film 1015 has elasticity, and when there is an air pressure difference between the inside and the outside of the case 10, the pressure is adjusted by deformation. Further, the outer annular surfaces of the first connecting portion 1014 and the second connecting portion 1016 are both provided with a thread groove for connecting one end of the connecting member with the box body 10 and the other end thereof with an external pipeline. It should be noted that the connector may be designed to be installed separately from the box 10, or may be formed integrally with the box 10.

For the connecting piece, the specific embodiment three:

FIG. 6 also shows a connecting member 12 for connecting the introducing port 101 or the introducing port 102 with an external pipeline, specifically, the connecting member 12 has one end screwed with the introducing port 101 or the introducing port 102 and the other end screwed with the external pipeline 13; an annular groove 120 is formed between the first communication port 1012 and the second communication port 1011 of the connecting member 12, the pressure penetration film 1015 is installed in the annular groove 120, and when the connecting member 12 is screwed with the introduction port 101, the end of the introduction port 101 abuts against the pressure penetration film 1015 to be fixed between the end of the introduction port 101 and the annular groove 120; thereby, the first communication port 1012 and the second communication port 1011 are hermetically connected. It should be noted that, regardless of whether the both ends of the connector 12 are provided with the internal thread or the external thread, the primary purpose of the connector is to connect the introduction port 101 or the introduction port 102 to the external pipe 13, and the present invention is not limited to the threaded connection, and may be in various connection forms such as expansion, bonding, clamping, welding, and the like.

In other embodiments, the introduction port 101 and the outlet port 102 are provided with closing valves for the same purpose as the pressure-permeable membrane 1015, so that when a fire-fighting operation is required, a fire-fighting fluid is introduced through the introduction port 101 and is discharged through the outlet port 102, and the battery module 20 with abnormal temperature or smoke generated by combustion is rapidly cooled to achieve the purpose of fire-fighting.

In practical operation, as shown in fig. 1, a first channel 104 and a second channel 105 are formed between the battery pack modules 20, the first channel 104 and the second channel 105 are orthogonally disposed, and the inlet 101 or the outlet 102 is disposed on the box body 10 or the box cover 11 opposite to the first channel 104 and the second channel 105, so that the direct communication between the inlet 101 or the outlet 102 and the first channel 104 and the second channel 105 can effectively reduce the on-way resistance during the flow of the fire extinguishing fluid, thereby enabling the fire extinguishing fluid to be rapidly introduced into the battery box 100.

As shown in fig. 7 and 8, in the present embodiment, the structure of the battery pack module 20 is two upper and lower layers horizontally laid, and a third channel 106 is formed in a gap between the upper battery pack module 20 and the lower battery pack module 20, so that the fire-fighting fluid inlet 101 and the fire-fighting fluid outlet 102 correspond to the third channel 106 and one of the first channel 104 and the second channel 105 according to the arrangement manner of the battery pack modules 20 of the structural characteristics, thereby ensuring better fluidity of the fire-fighting fluid and improving fire-fighting efficiency.

It should be noted that the outlet 102 is disposed around the box body 10 of the battery box 100, and is intended to allow the fire extinguishing fluid to flow into the accommodating space in the battery box 100 through the inlet 101, and to ensure that the liquid in the battery box 100 has a significant fluidity, so as to take away heat in time, and to facilitate rapid cooling of the battery module 20. The fire extinguishing fluid is stored in an on-board container or an external fire-fighting facility to provide the fire extinguishing fluid when fire-fighting operations are required.

Preferably, the fire extinguishing fluid is water or liquid nitrogen.

The invention has the beneficial effects that:

according to the new energy automobile fire-fighting guiding device and the battery box, the fire-fighting liquid is quickly and intensively guided into the battery box of the automobile body to directly abut against and surround the battery box and other inflammable parts, so that efficient cooling and flame retardance are realized, the whole process is quick and accurate in operation, the cost is saved, and the fire-fighting efficiency is improved.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.