CN216934500U

CN216934500U - Fire control unit of electric automobile battery and cooling mechanism thereof

Info

Publication number: CN216934500U
Application number: CN202220193243.1U
Authority: CN
Inventors: 李明哲; 邹会俊; 邹红旗; 张艳
Original assignee: Shanghai Yingan Industrial Co ltd
Current assignee: Shanghai Yingan Industrial Co ltd
Priority date: 2022-01-24
Filing date: 2022-01-24
Publication date: 2022-07-12
Anticipated expiration: 2032-01-24

Abstract

The utility model belongs to the technical field of fire fighting devices, and particularly relates to a fire fighting device for an electric vehicle battery and a cooling mechanism thereof, which comprise a bottom plate; the spraying pieces are arranged on the bottom plate; the spraying part is internally provided with a first flow guide hole which penetrates through the spraying part along the axis direction of the spraying part, and the water inlet hole is communicated with the first flow guide hole; water flow enters the spraying piece from the water inlet hole, and then water spray is sprayed out from the upper end of the spraying piece to cover the bottom plate under the guidance of the first flow guide hole for cooling. Thereby spray the water flower that the piece sprayed through a plurality of and cover whole bottom plate, realize the holistic cooling of this fire control unit, prevent that this fire control unit's spare part from being influenced and damaged by the high temperature of burning things which may cause a fire disaster.

Description

Fire control unit of electric automobile battery and cooling mechanism thereof

Technical Field

The utility model relates to the technical field of fire fighting devices, in particular to a fire fighting device for an electric vehicle battery and a cooling mechanism thereof.

Background

The existing fire fighting device for the electric automobile is usually designed with an opening on a battery, and then the fire fighting device is arranged on one side of the battery, so that when the battery is at high temperature or even on fire, the fire fighting device is triggered to start, and the puncturing parts of the fire fighting device extend into the opening of the battery to spray water, so as to realize fire extinguishing, for example, the power battery with the fire fighting emergency water injection function of the chinese patent application No. 201911192878.9.

However, the fire fighting device usually has no temperature lowering mechanism, so that the high temperature generated during the operation of the battery or after the fire is caught can easily damage the components of the fire fighting device, and further the fire fighting device can be damaged when not used or damaged after being used once, and cannot be used again, thereby causing waste.

Disclosure of Invention

The utility model aims to provide a fire fighting device for an electric vehicle battery and a cooling mechanism thereof.

The purpose of the utility model is realized as follows:

a cooling mechanism comprises

A base plate; and

a plurality of spray members, each of which is disposed on the base plate;

the spraying part is internally provided with a first flow guide hole which penetrates through the spraying part along the axis direction of the spraying part, and the water inlet hole is communicated with the first flow guide hole;

water flow enters the spraying piece from the water inlet hole, and then water spray is sprayed out from the upper end of the spraying piece to cover the bottom plate under the guidance of the first flow guide hole for cooling.

Preferably, the water inlet end is fixedly arranged on the bottom plate and is positioned above the water inlet hole, so that the water inlet hole is communicated with the first flow guide hole;

a spraying end extending upwards for spraying water spray to the peripheral side of the spraying piece;

wherein, the opening of the first diversion hole is positioned at the spraying end.

Preferably, one side of the spraying piece is further provided with an auxiliary pipe, a second flow guide hole penetrating along the axis direction of the auxiliary pipe is formed in the auxiliary pipe, and the second flow guide hole is communicated with the first flow guide hole.

Preferably, a first step part is formed at the end part of the spraying end, a second step part is arranged at the outer end part of the auxiliary pipe, and the first step part and the second step part are both used for connecting the water pipe.

Preferably, the diameter of the secondary tube is smaller than the diameter of the spray member.

Preferably, the sub-pipe is disposed obliquely at one side of the spraying member.

Preferably, the bottom plate is quadrilateral, the number of the spraying pieces is four, and the four spraying pieces are respectively arranged on the edges of the four sides of the bottom plate.

A fire fighting device for an electric vehicle battery comprises a puncture water spraying mechanism, a lifting mechanism and the cooling mechanism;

the puncture water spraying mechanism and the lifting mechanism are arranged on the bottom plate, and the cooling mechanism is used for spraying water flowers to cool the puncture water spraying mechanism and the lifting mechanism.

Preferably, the puncture water-jet mechanism includes:

a driving member disposed on the base plate; and

the puncture piece comprises a moving end and a puncture end; the motion end is arranged in the driving piece, and the puncture end extends out of the shell;

wherein a flow guide channel communicated with a water source is arranged in the puncture piece, and an opening of the flow guide channel is arranged at the puncture end;

the driving piece drives the puncture piece to move, the puncture end of the puncture piece is used for puncturing the battery shell, and the liquid is sprayed out from the flow guide channel to extinguish the fire.

Preferably, the lifting mechanism comprises a plurality of cylinders which are uniformly distributed at the edge of the bottom plate and used for lifting the height of the bottom plate.

Compared with the prior art, the utility model has the outstanding and beneficial technical effects that:

1. the utility model realizes the integral cooling of the fire fighting device by covering the whole bottom plate with spray water sprayed by a plurality of spraying pieces, and prevents the parts of the fire fighting device from being damaged by the influence of high temperature of a fire source.

2. The utility model divides the water outlet in the other direction through the auxiliary pipe, so that the spraying direction of the spraying piece is more comprehensive, and more parts and more positions on the parts can be covered.

3. According to the utility model, the fire fighting device is independent, and the cooling mechanism, the lifting mechanism and the puncture water spraying mechanism are all arranged on the bottom plate by a designer, so that the whole fire fighting device can be moved by a user only by moving the bottom plate, and the position of the user can be conveniently adjusted to adapt to electric automobiles with different specifications. Meanwhile, the puncture piece is provided with a puncture end which can directly puncture the shell of the battery, and then fire extinguishing liquid is injected into the battery, so that fire extinguishing is realized, and the method is simple and effective.

4. The lower sides of the airflow channel and the water flow channel are both open and the first blocking cover and the second blocking cover are detachably arranged, so that a manufacturer can complete manufacturing by simple stamping, hole opening or direct die integrated molding, and the water flow channel are convenient to process and simple in structure. Simultaneously through detachable fender lid, the user also can simply and conveniently open rivers passageway and airflow channel, effectively observes and clears up rivers passageway and airflow channel, prevents that both are inside to produce too much impurity and block up or damage the passageway, influences this fire control unit's use.

5. In the utility model, after the puncture piece is lifted, one end of the water guide pipe is still positioned in the water guide channel of the puncture piece, and further, in the movement range of the puncture piece, the water guide channel can be communicated with the water flow channel through the water guide hole all the time, so that the normal water spraying function of the fire fighting device is ensured.

6. According to the utility model, the dry water spray nozzles are uniformly distributed on the conical surface of the lug at the puncture end and are communicated with the outer side of the puncture piece and the main runner, so that water spray in multiple angle directions is realized, and more effective fire extinguishing can be realized.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is an exploded view of the present invention.

Fig. 3 is a cross-sectional view of the present invention.

Fig. 4 is a schematic diagram of the back structure of the present invention.

Fig. 5 is an exploded view of the piercing water jet mechanism.

Fig. 6 is a schematic structural view of the spray member.

Reference numerals: 1. a puncture water spraying mechanism; 11. a drive member; 111. a drive chamber; 112. a water conduit; 1121. a water guide hole; 12. a piercing member; 121. a moving end; 122. a puncture end; 1221. a bump; 123. a flow guide channel; 1231. a main flow channel; 1232. a water jet;

2. a cooling mechanism; 21. a spraying member; 211. a first flow guide hole; 212. a water inlet end; 213. a spraying end; 214. a secondary pipe; 2141. a second flow guide hole; 215. a first step portion; 216. a second step portion;

3. a lifting mechanism; 31. a cylinder;

4. a base plate; 41. an air flow channel; 411. a first open mouth; 42. a water flow channel; 421. a second open mouth; 43. a first shield cover; 44. a second shield cover; 45. a water inlet hole;

5. a gas pipe connector; 6. a water pipe connector.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

As shown in fig. 1-3, a fire fighting device for an electric vehicle battery comprises a bottom plate 4, a cooling mechanism 2, a lifting mechanism 3 and a piercing and water spraying mechanism 1, wherein the piercing and water spraying mechanism 1, the cooling mechanism 2 and the lifting mechanism 3 are all arranged on the bottom plate 4. When a battery of the electric automobile catches fire, the fire fighting device is arranged below the battery, then the lifting mechanism 3 drives the whole fire fighting device to ascend to a proper height, then the puncture water spraying mechanism 1 punctures a shell of the battery, and liquid for fire extinguishing is injected into the battery so as to achieve fire extinguishing and fighting of the battery, and the liquid for fire extinguishing in the embodiment refers to water. Meanwhile, the cooling component sprays water spray to cool the lifting mechanism 3 and the puncture water spraying mechanism 1, so that the parts of the fire fighting device are prevented from being damaged due to the influence of high temperature of a fire source.

Referring to fig. 3 and 5, the water jet puncturing mechanism 1 includes a driving member 11 and a puncturing member 12. The driver 11 is arranged on the base plate 4. The puncturing part 12 comprises a moving end 121 and a puncturing end 122, the moving end 121 is arranged in the driving part 11, and the puncturing end 122 extends out of the housing. Wherein, be provided with the water conservancy diversion passageway 123 that communicates the water source in the piercing part 12, the opening setting of water conservancy diversion passageway 123 is in piercing end 122. The driving member 11 drives the puncturing member 12 to move, the puncturing end 122 of the puncturing member 12 punctures the battery shell, and then the diversion channel 123 ejects liquid from the puncturing end 122 into the battery to extinguish the fire.

The conventional fire fighting device for the electric vehicle is usually designed with an opening on the battery, and then the fire fighting device is arranged on one side of the battery, so that when the battery is at a high temperature or even catches fire, the fire fighting device is triggered to start, and the puncturing parts of the fire fighting device penetrate into the opening of the battery to spray water, so as to extinguish the fire. However, the design requires opening the battery first, the process is complex, and potential safety hazards are easy to occur. Meanwhile, the fire fighting device needs the battery and the opening on the battery to be matched, the adaptability is low, and the battery structure of other electric vehicles cannot be matched. And this fire control unit can't remove, and the producer needs to install in advance, uses comparatively inconveniently.

And this embodiment is through independently coming out the fire control unit, and the designer all sets up on bottom plate 4 with cooling mechanism 2, elevating

system

3 and 1 three of puncture water spray mechanism to the user only needs to remove bottom plate 4 can remove whole fire control unit, so that the user adjusting position, with the electric automobile of the different specifications of adaptation. Meanwhile, the puncturing end 122 of the puncturing part 12 can directly puncture the shell of the battery, and then fire extinguishing liquid is injected into the battery, so that fire extinguishing is realized, and the method is simple and effective.

Referring to fig. 3 and 4, a driving cavity 111 is arranged in the driving member 11, the moving end 121 of the puncturing element 12 is arranged in the driving cavity 111, and the edge of the moving end 121 abuts against the inner wall of the driving cavity 111. An air flow channel 41 is arranged in the bottom plate 4, and the air flow channel 41 is communicated with the lower side of the driving cavity 111 and a pneumatic source. Therefore, after the air flow enters the lower side of the driving cavity 111, due to the attaching and sealing effect of the puncturing part 12 on the inner wall, the pressure effect generated by the air flow can effectively lift the puncturing part 12, and enough power is generated to drive the puncturing part 12 to puncture the shell of the battery.

Referring to fig. 3 and 4, a water flow channel 42 is disposed in the bottom plate 4, one end of the water flow channel 42 is communicated with the flow guide channel 123, and the other end is connected to a water source. After the battery case is pierced by the piercing member 12, the water from the water source flows into the flow guide channel 123 through the water flow channel 42, and then flows into the battery from the opening of the flow guide channel 123, so as to extinguish the fire.

With reference to fig. 1 to 4, the airflow channel 41 is connected to the pneumatic source through the air pipe connector 5, and the water flow channel 42 is communicated with the water source through the water pipe connector 6, so that two-way, three-way or multi-way communication between the pneumatic source and the water source is realized through the air pipe connector 5 and the water pipe connector 6, and multi-level and multi-thread functions of the same driving source and the water source in the fire fighting device are realized.

As shown in fig. 4, the lower sides of the airflow channel 41 and the water flow channel 42 are open to form a first open opening 411 and a second open opening 421, respectively. The first open aperture 411 and the second open aperture 421 are respectively detachably provided with a first blocking cover 43 and a second blocking cover 44, and the first blocking cover 43 and the second blocking cover 44 respectively close the first open aperture 411 and the second open aperture 421. The design producer can complete the manufacturing only by simple stamping, hole opening or direct die integral forming, and has convenient processing and simple structure. Meanwhile, through the detachable blocking cover, a user can simply open the water flow channel 42 and the air flow channel 41, effectively observe and clean the water flow channel 42 and the air flow channel 41, and prevent the water flow channel 42 and the air flow channel 41 from being blocked or damaged due to excessive impurities generated inside the water flow channel and the air flow channel, so that the use of the fire fighting device is prevented from being influenced.

Referring to fig. 3 and 5, a water guide tube 112 is disposed in the driving chamber 111, and one end of the water guide tube is fixed to the bottom plate 4, and the other end of the water guide tube extends into the flow guide channel 123. A water guiding hole 1121 is further formed in the water guiding pipe 112, and the water guiding hole 1121 communicates the water guiding channel 123 and the water flow channel 42. Therefore, after the puncturing part 12 is lifted, one end of the water conduit 112 is still located in the water guiding channel 123 of the puncturing part 12, and further, in the movement range of the puncturing part 12, the water guiding channel 123 can be communicated with the water flow channel 42 through the water guiding hole 1121 all the time, so that the normal water spraying function of the fire fighting device is ensured.

Sealing rings can be arranged between the moving end 121 of the puncturing element 12 and the inner wall of the driving cavity 111, and between the water guide pipe 112 and the inner wall of the flow guide channel 123, so as to achieve the effects of sealing, water proofing and leakage proofing.

Further, referring to fig. 3 and 5, the end of the piercing end 122 is provided with a tapered projection 1221, the tip of which is upward to facilitate piercing the battery case. The opening of water conservancy diversion passageway 123 is seted up the conical surface of lug 1221 makes things convenient for lug 1221 to stretch into can effectively spray water after the battery and realize putting out a fire.

As shown in fig. 3, the guiding passage 123 includes a main flow passage 1231 and a plurality of water spraying ports 1232. The main flow passage 1231 is opened in the axial direction of the puncturing member 12. The plurality of water spraying holes 1232 are openings of the flow guiding channel 123, and the plurality of water spraying holes 1232 are uniformly distributed on the conical surface of the projection 1221 of the puncturing end 122 to communicate the outer side of the puncturing part 12 with the main flow channel 1231, so that water spraying in a plurality of angle directions is realized, and more effective fire extinguishing is realized.

Further, with reference to fig. 3 and 5, the water spraying holes 1232 are circumferentially arranged on the puncturing end 122 with the axis center of the puncturing member 12, so that the water spraying of the puncturing member 12 can be more uniform, the inside of the battery can be more completely covered, and the fire extinguishing efficiency can be further improved.

As shown in fig. 1, the lifting mechanism 3 includes a plurality of cylinders 31, and all of the cylinders 31 are located at the edge of the bottom plate 4, and preferably, four corners of the bottom plate 4 are selected in this embodiment, so that the height of the bottom plate 4 is raised by the extension and contraction of the push rods of the cylinders 31, and the height of the whole fire fighting device is raised.

With reference to fig. 1 and 3, the cooling mechanism 2 includes a plurality of spraying members 21 uniformly distributed on the bottom plate 4. The shape of the bottom plate 4 is preferably quadrilateral, the number of the spraying pieces 21 is preferably four, and the four spraying pieces 21 are respectively arranged on the edges of the four sides of the bottom plate 4, so that the water spray sprayed by the plurality of spraying pieces 21 covers the whole bottom plate 4, and the overall temperature reduction of the fire fighting device is realized.

As shown in fig. 3, the spraying member 21 includes a water inlet 45 formed in the bottom plate 4 and connected to a water source, a first guiding hole 211 penetrating through the spraying member 21 along an axial direction of the spraying member 21 is formed in the spraying member 21, and the water inlet 45 is connected to the guiding hole. Therefore, water flow enters the spraying piece 21 from the water inlet hole 45 and is then sprayed out from the upper end of the spraying piece 21 under the guidance of the diversion hole to form spray to cover the bottom plate 4, and the temperature is reduced.

Specifically, referring to fig. 3 and 6, the spraying member 21 includes a water inlet end 212 and a spraying end 213. The water inlet end 212 is fixedly disposed on the bottom plate 4 and located above the water inlet hole 45, so that the water inlet hole 45 is communicated with the diversion hole. The spraying end 213 extends upward for spraying water toward the peripheral side of the spraying member 21. The opening of the diversion hole is located at the spraying end 213, and water flow is sprayed out from the spraying end 213 from bottom to top to spray water.

Referring to fig. 3 and 6, a secondary pipe 214 is further disposed on one side of the spraying member 21, and in this embodiment, the secondary pipe 214 is preferably disposed on one side of the spraying member 21 in an inclined manner, and further may preferably be perpendicular to one side of the spraying member 21. A second flow guiding hole 2141 extending through the auxiliary tube 214 in the axial direction is formed in the auxiliary tube 214, and the second flow guiding hole 2141 is communicated with the first flow guiding hole 211. Thereby, the water outlet in the other direction is branched out through the auxiliary pipe 214, the spraying direction of the spraying piece 21 is more comprehensive, and more parts and more positions on the parts can be covered.

As shown in fig. 6, a first step 215 is formed at the end of the spraying end 213, a second step 216 is provided at the outer end of the secondary pipe 214, and the first step 215 and the second step 216 are both used for connecting a water pipe. Thereby realize spraying the extension of piece 21 and auxiliary pipe 214 through the water pipe, realize the extension regulation and control to the water spray position to satisfy more user demands, the more service environment of adaptation. Simultaneously through the water pipe of step portion collocation different grade type, also can realize spraying of different specifications, set up porous then can realize accurate water spray if on the single direction of water pipe, the water pipe all sets up a plurality of water jets from top to bottom and can realize that the upper and lower full range sprays.

The spray sprayed from the sub-pipe 214 after receiving the water pipe can be used for cooling the side surface of the cylinder 31, and can also be used for cooling itself.

Further, the diameter of the secondary pipe 214 is smaller than the diameter of the spraying member 21, so that the second flow guide hole 2141 in the secondary pipe 214 is prevented from seizing excessive water flow in the first flow guide hole 211, and the spraying function of the spraying member 21 is prevented from being affected.

The foregoing shows and describes the general principles and features of the present invention, together with the advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A cooling mechanism is characterized by comprising

A base plate (4); and

a plurality of spray elements (21) each arranged on the base plate (4);

wherein, a water inlet hole (45) communicated with a water source is formed on the bottom plate (4), a first flow guide hole (211) penetrating through the spraying piece (21) along the axial direction of the spraying piece (21) is formed in the spraying piece (21), and the water inlet hole (45) is communicated with the first flow guide hole (211);

water flow enters the spraying piece (21) from the water inlet hole (45), and then water spray is sprayed out from the upper end of the spraying piece (21) to cover the bottom plate (4) under the guidance of the first flow guide hole (211) for cooling.

2. A cooling mechanism according to claim 1, wherein: the spray member (21) comprises:

the water inlet end (212) is fixedly arranged on the bottom plate (4) and is positioned above the water inlet hole (45), so that the water inlet hole (45) is communicated with the first diversion hole (211);

a spraying end (213) extending upward for spraying water spray to the peripheral side of the spraying member (21);

wherein the opening of the first deflector hole (211) is located at the spraying end (213).

3. A cooling mechanism according to claim 2, wherein: one side of the spraying piece (21) is further provided with an auxiliary pipe (214), a second flow guide hole (2141) penetrating along the axis direction of the auxiliary pipe (214) is formed in the auxiliary pipe (214), and the second flow guide hole (2141) is communicated with the first flow guide hole (211).

4. A cooling mechanism according to claim 3, wherein: the end of the spraying end (213) is formed with a first step part (215), the outer end of the secondary pipe (214) is provided with a second step part (216), and the first step part (215) and the second step part (216) are both used for connecting a water pipe.

5. A cooling mechanism according to claim 3, wherein: the diameter of the secondary pipe (214) is smaller than the diameter of the sprinkling member (21).

6. A cooling mechanism according to claim 3, wherein: the secondary pipe (214) is obliquely arranged on one side of the spraying member (21).

7. A cooling mechanism according to any one of claims 1 to 6, wherein: the bottom plate (4) is quadrilateral, the number of the spraying pieces (21) is four, and the four spraying pieces (21) are respectively arranged on the edges of the four sides of the bottom plate (4).

8. The utility model provides a fire control unit of electric automobile battery which characterized in that: which comprises a puncture water spraying mechanism (1), a lifting mechanism (3) and a temperature reducing mechanism (2) according to any one of claims 1 to 7;

the puncture water spraying mechanism (1) and the lifting mechanism (3) are arranged on the bottom plate (4), and the cooling mechanism (2) is used for spraying water spray to cool the puncture water spraying mechanism (1) and the lifting mechanism (3).

9. The fire fighting device for the battery of the electric vehicle according to claim 8, wherein: the puncture water spray mechanism (1) comprises:

a drive (11) arranged on the base plate (4); and

a puncture piece (12) including a movement end (121) and a puncture end (122); the moving end (121) is arranged in the driving part (11), the puncturing end (122) extends out of the driving part (11), and the puncturing end (122) is used for puncturing the battery shell;

wherein a flow guide channel (123) communicated with a water source is arranged in the puncture piece (12), an opening of the flow guide channel (123) is arranged at the puncture end (122), and the flow guide channel (123) sprays liquid to extinguish fire;

the driving piece (11) drives the puncture piece (12) to move.

10. The fire fighting device for the battery of the electric vehicle according to claim 8, wherein: the lifting mechanism (3) comprises a plurality of cylinders (31) which are uniformly distributed at the edge of the bottom plate (4) and used for lifting the height of the bottom plate (4).