Heat dissipation and fire extinguishing mechanism for storage battery of new energy automobile

Abstract

The invention provides a new energy automobile storage battery heat dissipation and fire extinguishing mechanism, and relates to the field of new energy automobiles. The new energy automobile storage battery heat dissipation and fire extinguishing mechanism comprises a first mounting box, a second mounting box, a U-shaped frame and a storage battery body, the upper surface of the first mounting box is fixedly connected with the second mounting box, and mounting blocks are fixedly connected to the front ends and the rear ends of the lower portions of the outer walls of the two sides of the first mounting box correspondingly; and two mounting holes are formed in the upper surface of each mounting block, a mounting plate is fixedly connected to the middle of the outer wall of the rear end of the first mounting box through a plurality of bolts, and mounting cavities are formed in the two sides of the middle of the outer wall of the rear end of the mounting plate. According to the heat dissipation and fire extinguishing mechanism for the storage battery of the new energy automobile, air cooling and heat dissipation of the storage battery body are achieved through the two servo motors provided with the heat dissipation fans, heat dissipated by the storage battery body is absorbed through the U-shaped frame, the heat conduction pieces and the heat conduction rods, and then the heat dissipation effect of the storage battery body is improved.

Description

Technical Field

[0001] The present invention relates to the field of new energy vehicles, and in particular to a heat dissipation and fire extinguishing mechanism for a battery of a new energy vehicle. Background Art

[0002] With the rapid development of the new energy vehicle market, the importance of new energy vehicle batteries has become increasingly prominent. Batteries can store electrical energy charged through the charging system and release electrical energy when needed to drive the electric motor of new energy vehicles, thereby meeting the power needs of new energy vehicles.

[0003] The heat generated by the battery in the operation of new energy vehicles is poor, but the heat dissipation effect of existing new energy vehicle batteries is poor, which may cause the battery to overheat and cause a fire. In addition, most existing new energy vehicles do not have fire extinguishing equipment to extinguish fires caused by batteries, which makes it difficult to extinguish the burning battery in time.

[0004] However, technical improvements are urgently needed for this purpose. Summary of the invention

[0005] 1. Technical issues to be resolved

[0006] In view of the deficiencies in the prior art, the present invention provides a new energy vehicle battery heat dissipation and fire extinguishing mechanism, which solves the problem of poor heat dissipation effect of existing new energy vehicle batteries and the problem that it is inconvenient to extinguish the battery fire in time in existing new energy vehicles.

[0007] (II) Technical solution

[0008] To achieve the above objectives, the present invention is implemented through the following technical solutions: a new energy vehicle battery heat dissipation and fire extinguishing mechanism, comprising a first installation box, a second installation box, a U-shaped frame and a battery body, the upper surface of the first installation box is fixedly connected to the second installation box, the front end and the rear end of the lower outer wall of both sides of the first installation box are fixedly connected with mounting blocks, the upper surface of the mounting blocks are provided with two mounting holes, the middle part of the rear end outer wall of the first installation box is fixedly connected with a mounting plate by a plurality of bolts, both sides of the middle part of the rear end outer wall of the mounting plate are provided with mounting cavities, the rear end of the inner wall of the mounting cavity is fixedly connected with a circular frame, the middle part of the front end outer wall of the circular frame is provided with a mounting groove, the inside of the mounting groove is fixedly connected with a servo motor, and the output shaft of the servo motor is fixedly connected with a cooling fan;

[0009] A battery body is arranged inside the U-shaped frame, a cover plate is fixedly connected to the upper end of the U-shaped frame by a plurality of bolts, a card slot is provided in the middle of the lower surface of the cover plate, the card slot is card-connected with the battery body, two connection terminals are arranged on the upper surface of the battery body, a plurality of connection slots are provided in the middle of the outer walls on both sides of the U-shaped frame, a heat conducting sheet is fixedly connected inside the connection slots, a heat conducting rod is fixedly connected to the outer wall of the heat conducting sheet on the side away from the center of the U-shaped frame, and the heat conducting rod on the side away from the center of the U-shaped frame penetrates the first installation box to the outside of the first installation box;

[0010] The front end of the top surface of the second installation box is fixedly connected to a material storage box, the rear end of the outer wall of one side of the material storage box is connected through a discharge pipe, an electromagnetic control valve is arranged inside the discharge pipe, the lower end of the discharge pipe passes through the second installation box and the first installation box and is fixedly connected to an annular tube, a plurality of nozzles are arranged at the lower end of the annular tube, and the annular tube is fixedly connected to the top surface of the first installation box;

[0011] Through the above technical scheme, the smoke sensor, the temperature sensor, the storage box and the discharge pipe provided with the electromagnetic control valve are used together to facilitate the detection of the temperature and smoke concentration inside the first installation box for assembling the battery body, and when the detected value reaches a preset threshold, the electromagnetic control valve is opened to spray the dry powder fire extinguishing agent inside the storage box through the nozzle onto the battery body on fire, thereby extinguishing the battery body on fire in time.

[0012] Preferably, a first ventilation and dustproof plate is fixedly connected to the middle of the front end outer wall of the first installation box by a plurality of bolts, and a second ventilation and dustproof plate is fixedly connected to the rear end of the inner wall of the installation cavity;

[0013] Through the above technical scheme, it is convenient to prevent dust and other impurities outside the first installation box from entering the first installation box through the first ventilation dustproof plate and the second ventilation dustproof plate, and interfere with the detection result of the smoke sensor, and the circulation of air inside the first installation box can be ensured, so that the servo motor drives the cooling fan to work normally.

[0014] Preferably, a smoke sensor and a temperature sensor are fixedly connected to both sides of the front end of the top surface of the first installation box respectively;

[0015] Through the above technical scheme, it is convenient to detect the smoke concentration inside the first installation box through the smoke sensor, and measure the temperature inside the first installation box through the temperature sensor, and feed back to the control system of the new energy electric vehicle. When the preset threshold is reached, the electromagnetic control valve is opened through the control system of the new energy electric vehicle, and the dry powder fire extinguishing agent inside the storage box is sprayed through the nozzle onto the burning battery body to extinguish the fire in time.

[0016] Preferably, cushion blocks are fixedly connected to the four corners of the lower surface of the U-shaped frame, and the lower ends of the cushion blocks are fixedly connected to the bottom surface of the first installation box;

[0017] Through the above technical solution, it is convenient to support and connect the U-shaped frame through the pad, so that a gap is generated between the lower end of the U-shaped frame and the bottom surface inside the first installation box, thereby improving the heat dissipation effect of the battery body.

[0018] Preferably, a first ventilation cavity is opened in the middle of the lower surface of the U-shaped frame, and a second ventilation cavity is opened in the middle of the upper surface of the cover plate;

[0019] The above technical solution can facilitate improving the heat dissipation effect of the battery body through the first ventilation cavity and the second ventilation cavity.

[0020] Preferably, the U-shaped frame, the heat conducting sheet and the heat conducting rod are all made of copper-aluminum alloy material, and a sealing plate is fixedly connected to the middle of the outer wall of one side of the second installation box by a plurality of bolts;

[0021] Through the above technical solution, it is convenient to absorb the heat emitted by the battery body through the U-shaped frame, the heat conductive sheet and the heat conductive rod.

[0022] Preferably, a front end of an outer wall of one side of the storage box is connected through a material injection pipe, and a feed valve is arranged inside the material injection pipe;

[0023] The above technical solution makes it easy to inject dry powder fire extinguishing agent for fire extinguishing into the storage box through the injection pipe.

[0024] Preferably, a backup battery is fixedly connected to the rear end of the inner bottom surface of the second installation box by a plurality of bolts;

[0025] Through the above technical solution, it is convenient to provide power to the smoke sensor, temperature sensor, servo motor and electromagnetic control valve through the backup battery, so that when the battery body catches fire, the normal use of the smoke sensor, temperature sensor, servo motor and electromagnetic control valve will not be affected.

[0026] (III) Beneficial effects

[0027] The present invention provides a new energy vehicle battery heat dissipation and fire extinguishing mechanism. It has the following beneficial effects:

[0028] 1. The present invention provides a new energy vehicle battery heat dissipation fire extinguishing mechanism, which realizes air cooling of the battery body through two servo motors provided with cooling fans, and absorbs the heat emitted by the battery body through a U-shaped frame, a heat conductive sheet and a heat conductive rod, thereby improving the heat dissipation effect of the battery body.

[0029] 2. The present invention provides a new energy vehicle battery heat dissipation and fire extinguishing mechanism, which is used in conjunction with a smoke sensor, a temperature sensor, a material storage box and a discharge pipe provided with an electromagnetic control valve, so as to detect the temperature and smoke concentration inside a first installation box for assembling a battery body, and when the detected value reaches a preset threshold, the electromagnetic control valve is opened to spray the dry powder fire extinguishing agent inside the material storage box onto the battery body on fire through a nozzle, so as to promptly extinguish the battery body on fire.

[0030] 3. The present invention provides a new energy vehicle battery heat dissipation and fire extinguishing mechanism, which prevents dust and other impurities from entering the first installation box through a first ventilation dustproof plate and two second ventilation dustproof plates, thereby preventing interference with the detection of the smoke sensor, and ensures the normal operation of the smoke sensor, temperature sensor, servo motor and electromagnetic control valve by setting a backup battery. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 It is a schematic diagram of the main structure of the present invention from a first viewing angle;

[0032] Figure 2 is a schematic diagram of the main structure of the present invention from a second viewing angle;

[0033] Figure 3 An exploded view of the present invention;

[0034] Figure 4 An exploded view of a local structure of the present invention;

[0035] Figure 5 It is a structural schematic diagram of the U-shaped frame, the battery body, the heat conducting sheet, the heat conducting rod and the cover plate of the present invention;

[0036] Figure 6 It is an exploded view of the U-shaped frame, the battery body, the heat conducting sheet, the heat conducting rod and the cover plate of the present invention;

[0037] Figure 7 It is an exploded view of the second installation box, the sealing plate, the material storage box, the material discharge pipe, the electromagnetic control valve, the annular pipe and the nozzle of the present invention;

[0038] Figure 8 It is a structural schematic diagram of the second installation box, the material storage box, the material discharge pipe, the electromagnetic control valve, the annular pipe, the nozzle and the backup battery of the present invention;

[0039] Fig. 9 For the present invention Figure 3 Enlarged view of point A in the middle.

[0040] Among them, 1. the first installation box; 2. the second installation box; 3. the installation block; 4. the installation hole; 5. the first ventilation and dustproof plate; 6. the installation plate; 7. the installation cavity; 8. the second ventilation and dustproof plate; 9. the circular frame; 10. the installation slot; 11. the servo motor; 12. the cooling fan; 13. the smoke sensor; 14. the temperature sensor; 15. the U-shaped frame; 16. the cushion block; 17. the battery body; 18. the terminal; 19. the first ventilation cavity; 20. the connecting groove; 21. the heat conducting sheet; 22. the heat conducting rod; 23. the cover plate; 24. the second ventilation cavity; 25. the card slot; 26. the sealing plate; 27. the storage box; 28. the injection pipe; 29. ​​the feed valve; 30. the discharge pipe; 31. the electromagnetic control valve; 32. the ring pipe; 33. the nozzle; 34. the spare battery. Implementation

[0042] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0043] like Figure 1-9 As shown, an embodiment of the present invention provides a new energy vehicle battery heat dissipation and fire extinguishing mechanism, comprising a first installation box 1, a second installation box 2, a U-shaped frame 15 and a battery body 17, the upper surface of the first installation box 1 is fixedly connected to the second installation box 2, the front end and the rear end of the lower outer wall of both sides of the first installation box 1 are fixedly connected with mounting blocks 3, the upper surface of the mounting blocks 3 are provided with two mounting holes 4, the middle part of the rear end outer wall of the first installation box 1 is fixedly connected with a mounting plate 6 by a plurality of bolts, both sides of the middle part of the rear end outer wall of the mounting plate 6 are provided with mounting cavities 7, the rear end of the inner wall of the mounting cavity 7 is fixedly connected with a circular frame 9, the middle part of the front end outer wall of the circular frame 9 is provided with a mounting groove 10, the inside of the mounting groove 10 is fixedly connected with a servo motor 11, and the output shaft of the servo motor 11 is fixedly connected with a cooling fan 12;

[0044] A battery body 17 is arranged inside the U-shaped frame 15, a cover plate 23 is fixedly connected to the upper end of the U-shaped frame 15 by multiple bolts, a card slot 25 is provided in the middle of the lower surface of the cover plate 23, the card slot 25 is connected to the battery body 17 by card connection, and two connection terminals 18 are arranged on the upper surface of the battery body 17, multiple connection slots 20 are provided in the middle of the outer walls on both sides of the U-shaped frame 15, and heat conducting sheets 21 are fixedly connected inside the connection slots 20, and the outer wall of the heat conducting sheet 21 away from the center of the U-shaped frame 15 is fixedly connected to the heat conducting rod 22, and the side of the heat conducting rod 22 away from the center of the U-shaped frame 15 penetrates the first installation box 1 to the outside of the first installation box 1;

[0045] A material storage box 27 is fixedly connected to the front end of the top surface of the second installation box 2, and a discharge pipe 30 is connected to the rear end of the outer wall of one side of the storage box 27. An electromagnetic control valve 31 is arranged inside the discharge pipe 30. The lower end of the discharge pipe 30 passes through the second installation box 2 and the first installation box 1 and is fixedly connected to an annular pipe 32. A plurality of nozzles 33 are arranged at the lower end of the annular pipe 32. The annular pipe 32 is fixedly connected to the top surface of the first installation box 1.

[0046] Air cooling of the battery body 17 is achieved through two servo motors 11 provided with cooling fans 12 , and the heat emitted by the battery body 17 is absorbed by the U-shaped frame 15 , the heat conducting sheet 21 and the heat conducting rod 22 , thereby improving the heat dissipation effect of the battery body 17 .

[0047] A first ventilation and dustproof plate 5 is fixedly connected to the middle of the front end outer wall of the first installation box 1 by multiple bolts, and a second ventilation and dustproof plate 8 is fixedly connected to the rear end of the inner wall of the installation cavity 7;

[0048] The first ventilation dustproof plate 5 and the second ventilation dustproof plate 8 can be used to prevent dust and other impurities outside the first installation box 1 from entering the first installation box 1 and interfering with the detection result of the smoke sensor 13, and can ensure the circulation of air inside the first installation box 1, so that the servo motor 11 drives the cooling fan 12 to work normally.

[0049] A smoke sensor 13 and a temperature sensor 14 are fixedly connected to both sides of the front end of the top of the first installation box 1;

[0050] It is convenient to detect the smoke concentration inside the first installation box 1 through the smoke sensor 13, and measure the temperature inside the first installation box 1 through the temperature sensor 14, and feed back to the control system of the new energy electric vehicle. When the preset threshold is reached, the electromagnetic control valve 31 is opened through the control system of the new energy electric vehicle, and the dry powder fire extinguishing agent inside the storage box 27 is sprayed on the battery body 17 that has caught fire through the nozzle 33, so as to extinguish the fire in time.

[0051] The four corners of the lower surface of the U-shaped frame 15 are fixedly connected with cushion blocks 16, and the lower ends of the cushion blocks 16 are fixedly connected to the bottom surface of the first installation box 1;

[0052] The U-shaped frame 15 is conveniently supported and connected by the pad 16 , so that a gap is formed between the lower end of the U-shaped frame 15 and the bottom surface inside the first installation box 1 , thereby improving the heat dissipation effect of the battery body 17 .

[0053] A first ventilation cavity 19 is formed in the middle of the lower surface of the U-shaped frame 15, and a second ventilation cavity 24 is formed in the middle of the upper surface of the cover plate 23;

[0054] The heat dissipation effect of the battery body 17 is improved through the first ventilation cavity 19 and the second ventilation cavity 24 .

[0055] The U-shaped frame 15, the heat conducting sheet 21 and the heat conducting rod 22 are all made of copper-aluminum alloy material, and a sealing plate 26 is fixedly connected to the middle of the outer wall of one side of the second installation box 2 by a plurality of bolts;

[0056] The heat emitted by the battery body 17 is conveniently absorbed by the U-shaped frame 15 , the heat conducting sheet 21 and the heat conducting rod 22 .

[0057] A material injection pipe 28 is connected through the front end of the outer wall of one side of the material storage box 27, and a material feed valve 29 is arranged inside the material injection pipe 28;

[0058] It is convenient to inject dry powder fire extinguishing agent for fire extinguishing into the storage box 27 through the injection pipe 28.

[0059] A backup battery 34 is fixedly connected to the rear end of the inner bottom surface of the second installation box 2 by a plurality of bolts;

[0060] It is convenient to provide power to the smoke sensor 13, the temperature sensor 14, the servo motor 11 and the electromagnetic control valve 31 through the backup battery 34, so that when the battery body 17 catches fire, the normal use of the smoke sensor 13, the temperature sensor 14, the servo motor 11 and the electromagnetic control valve 31 will not be affected.

[0061] Working principle: When using the new energy vehicle battery heat dissipation and fire extinguishing mechanism, first, the first installation box 1 is fixedly installed inside the new energy vehicle through multiple installation blocks 3 and bolts. Secondly, the air cooling of the battery body 17 is realized through two servo motors 11 provided with cooling fans 12, and the heat emitted by the battery body 17 is absorbed by the U-shaped frame 15, the heat conductive sheet 21 and the heat conductive rod 22, thereby improving the heat dissipation effect of the battery body 17. Thirdly, the smoke concentration and temperature inside the first installation box 1 are respectively detected by the smoke sensor 13 and the temperature sensor 14, and fed back to the control system of the new energy electric vehicle. When the preset threshold is reached, the electromagnetic control valve 31 is opened by the control system of the new energy electric vehicle, and the dry powder fire extinguishing agent inside the storage box 27 is sprayed on the burning battery body 17 through the nozzle 33, so as to extinguish the burning battery body 17 in time.

[0062] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A new energy vehicle battery heat dissipation and fire extinguishing mechanism, comprising a first installation box (1), a second installation box (2), a U-shaped frame (15) and a battery body (17), characterized in that: The upper surface of the first installation box (1) is fixedly connected to the second installation box (2); the front and rear ends of the lower outer walls on both sides of the first installation box (1) are fixedly connected with installation blocks (3); the upper surfaces of the installation blocks (3) are provided with two installation holes (4); the middle part of the outer wall at the rear end of the first installation box (1) is fixedly connected with a mounting plate (6) by a plurality of bolts; the middle part of the outer wall at the rear end of the mounting plate (6) is provided with installation cavities (7); the rear end of the inner wall of the mounting cavity (7) is fixedly connected with a circular frame (9); the middle part of the outer wall at the front end of the circular frame (9) is provided with an installation groove (10); the inside of the mounting groove (10) is fixedly connected with a servo motor (11); the output shaft of the servo motor (11) is fixedly connected with a cooling fan (12); A battery body (17) is arranged inside the U-shaped frame (15); a cover plate (23) is fixedly connected to the upper end of the U-shaped frame (15) by a plurality of bolts; a card slot (25) is provided in the middle of the lower surface of the cover plate (23); the card slot (25) is card-connected to the battery body (17); two connection terminals (18) are arranged on the upper surface of the battery body (17); a plurality of connection slots (20) are provided in the middle of the outer walls on both sides of the U-shaped frame (15); a heat conducting sheet (21) is fixedly connected inside the connection slots (20); a heat conducting rod (22) is fixedly connected to the outer wall of the heat conducting sheet (21) on the side away from the center of the U-shaped frame (15); the heat conducting rod (22) on the side away from the center of the U-shaped frame (15) penetrates the first installation box (1) to the outside of the first installation box (1); A material storage box (27) is fixedly connected to the front end of the internal top surface of the second installation box (2), and a discharge pipe (30) is connected to the rear end of the outer wall of one side of the material storage box (27). An electromagnetic control valve (31) is arranged inside the discharge pipe (30). The lower end of the discharge pipe (30) passes through the interior of the second installation box (2) and the first installation box (1) and is fixedly connected to an annular pipe (32). A plurality of nozzles (33) are arranged at the lower end of the annular pipe (32), and the annular pipe (32) is fixedly connected to the internal top surface of the first installation box (1).

2. A new energy vehicle battery heat dissipation and fire extinguishing mechanism according to claim 1, characterized in that: A first ventilation and dustproof plate (5) is fixedly connected to the middle of the front end outer wall of the first installation box (1) via a plurality of bolts, and a second ventilation and dustproof plate (8) is fixedly connected to the rear end of the inner wall of the installation cavity (7).

3. A new energy vehicle battery heat dissipation and fire extinguishing mechanism according to claim 1, characterized in that: A smoke sensor (13) and a temperature sensor (14) are respectively fixedly connected to both sides of the front end of the top surface inside the first installation box (1).

4. A new energy vehicle battery heat dissipation and fire extinguishing mechanism according to claim 1, characterized in that: The four corners of the lower surface of the U-shaped frame (15) are fixedly connected with cushion blocks (16), and the lower ends of the cushion blocks (16) are fixedly connected to the bottom surface of the first installation box (1).

5. A new energy vehicle battery heat dissipation and fire extinguishing mechanism according to claim 1, characterized in that: A first ventilation cavity (19) is provided in the middle of the lower surface of the U-shaped frame (15), and a second ventilation cavity (24) is provided in the middle of the upper surface of the cover plate (23).

6. A new energy vehicle battery heat dissipation and fire extinguishing mechanism according to claim 1, characterized in that: The U-shaped frame (15), the heat conducting sheet (21) and the heat conducting rod (22) are all made of copper-aluminum alloy material, and a sealing plate (26) is fixedly connected to the middle of the outer wall of one side of the second installation box (2) by a plurality of bolts.

7. A new energy vehicle battery heat dissipation and fire extinguishing mechanism according to claim 1, characterized in that: A material injection pipe (28) is connected through the front end of the outer wall of one side of the material storage box (27), and a material feed valve (29) is arranged inside the material injection pipe (28).

8. The heat dissipation and fire extinguishing mechanism for a new energy vehicle battery according to claim 1 is characterized in that: A backup battery (34) is fixedly connected to the rear end of the inner bottom surface of the second installation box (2) via a plurality of bolts.

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