CN114614158A

CN114614158A - New forms of energy power automobile group battery cooling device

Info

Publication number: CN114614158A
Application number: CN202210336779.9A
Authority: CN
Inventors: 满毅
Original assignee: Nanjing Vocational University of Industry Technology NUIT
Current assignee: Nanjing Vocational University of Industry Technology NUIT
Priority date: 2022-03-31
Filing date: 2022-03-31
Publication date: 2022-06-10

Abstract

The invention discloses a battery pack cooling device of a new energy power automobile, which belongs to the technical field of automobile batteries and comprises a shell, wherein the right end of the shell is fixedly connected with a water tank, the right end of the shell is also fixedly connected with a circulating pump, circulating pipes are distributed on the inner wall of the shell, a plurality of partition plates are fixedly arranged in the shell and divide the shell into a plurality of mounting grooves, batteries are arranged in the mounting grooves, and electromagnets are fixedly connected in the mounting grooves. According to the invention, when the heat of a certain battery is too high, the isolation sleeve can exactly cover the battery completely, the first electromagnetic valve can be opened at the same time, water in the circulating pipe can generate a branch flow after the first electromagnetic valve is opened, the branch flow passes through the circulating thin pipe, the water passing through the circulating thin pipe finally flows into the circulating pipe again, and the distance between the battery and cooling water can be shortened by the way, so that the single battery can be rapidly cooled, and further, the safety accident caused by too high temperature of the battery can be avoided.

Description

New forms of energy power automobile group battery cooling device

Technical Field

The invention relates to the technical field of automobile batteries, in particular to a battery pack cooling device for a new energy power automobile.

Background

Along with the development of society needs that more and more new energy automobile is produced now, new energy automobile not only can accomplish the zero release but also has the performance that does not belong to the fuel oil car, therefore new energy automobile has gained the liking of masses, but new energy automobile battery can continuously generate heat in the driving process, if do not in time dispel the heat to the battery just the incident appears easily.

All install temperature sensor in lieing in the battery compartment on the new energy automobile at present to in through temperature sensor real-time detection battery temperature, but only rely on temperature sensor to carry out temperature measurement to be far away not enough, under the condition that temperature sensor is out of order or leads to temperature sensor to go wrong because of the maintenance untimely, the temperature of battery risees and just can not in time be found, just can not in time dispel the heat to the battery, will appear the incident

Chinese patent discloses a new forms of energy power automobile group battery cooling device (notice No. CN211719743U), this patent passes through radiator fan and cooling tube structure, when needs cool off the group battery, the driver can control radiator fan work, take steam out from the louvre on the device both sides baffle through two fans, make most heat obtain discharging, remaining heat passes the air vent and gets into the cooling tube and cools off, radiator fan makes with the cooperation of cooling tube structure and can carry out fine cooling effect to the group battery, however, this patent has only utilized radiator fan and cooling tube to dispel the heat to the battery, the cooling tube is difficult to carry out refrigerated this and will lead to cooling efficiency greatly reduced to the battery when the battery temperature is too high.

Disclosure of Invention

The invention aims to provide a battery pack cooling device of a new energy power automobile, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a new energy power automobile battery pack cooling device comprises an outer shell, wherein a water tank is fixedly connected to the right end of the outer shell, a circulating pump is fixedly connected to the right end of the outer shell, circulating pipes are distributed on the inner wall of the outer shell, a plurality of partition plates are fixedly mounted inside the outer shell and divide the inside of the outer shell into a plurality of mounting grooves, batteries are mounted in the mounting grooves, electromagnets are fixedly connected in the mounting grooves, a bearing frame is sleeved outside the batteries, a magnet block is fixedly connected to the lower ends of the batteries, the batteries are adsorbed on the electromagnets, a plurality of elastic rods are fixedly connected to the outer wall of the bearing frame, an overheating protection device is mounted on each partition plate, the overheating protection device can timely protect the overheating batteries, a plurality of isolation sleeves are fixedly connected to the upper cover and correspond to the batteries, the isolation sleeve is inserted into a gap between the battery and the bearing frame, and the battery can be protected through the isolation sleeve.

As a further scheme of the invention, the middle part of the shell is fixedly connected with a heat dissipation baffle, the interior of the heat dissipation baffle is fixedly connected with a plurality of heat dissipation fins, a plurality of heat dissipation fans are installed on the heat dissipation baffle, and the left end and the right end of the shell are both provided with heat dissipation ports which correspond to the heat dissipation baffle.

As a further scheme of the present invention, the partition plate includes a mounting frame, one end of the mounting frame is fixedly connected with a heat insulation plate, and one end of the heat insulation plate is fixedly connected with an insulation plate.

As a further aspect of the present invention, the overheat protection device is installed in the installation frame, the overheat protection device includes an expansion pipe, one end of the expansion pipe is fixedly connected to a liquid storage pipe, a liquid which expands when heated is stored in the liquid storage pipe, and the other end of the expansion pipe is fixedly connected to a connection pipe.

As a further scheme of the invention, a buoyancy cylinder is installed at one end of the connecting pipe, which is far away from the expansion pipe, the connecting pipe is inserted into the buoyancy cylinder, a return pipe is fixedly connected to the lower end of the buoyancy cylinder, one end of the return pipe, which is far away from the buoyancy cylinder, is connected with the liquid storage pipe, a second electromagnetic valve is fixedly connected to the return pipe, a buoyancy plug is movably connected to the inside of the buoyancy cylinder, a buoyancy rod is connected to the buoyancy plug in a threaded manner, a trigger plate is rotatably connected to the upper end of the buoyancy rod, an installation column is fixedly connected to one side of the buoyancy cylinder, a control button is arranged at the upper end of the installation column, and the control button is located below the trigger plate.

As a further scheme of the invention, a heat conducting plate is inserted on the liquid storage tube, one end of the heat conducting plate is positioned in the liquid storage tube, the other end of the heat conducting plate is positioned outside the liquid storage tube, one end of the heat conducting plate positioned in the liquid storage tube is fixedly connected with a heat conducting spring, and one end of the heat conducting plate far away from the liquid storage tube is movably connected with the battery.

As a further scheme of the invention, a slideway is fixedly connected to the outer wall of the battery, the heat conducting plate sequentially penetrates through the heat insulating sheet and the bearing frame to be in sliding connection with the battery through the slideway, and one end of the heat conducting plate, which is far away from the liquid storage tube, is in contact with the surface of the battery.

As a further scheme of the invention, the isolation sleeve is made of copper material, the isolation sleeve is double-layer, the top end of the inside of the isolation sleeve is provided with a trigger button, the side wall of the isolation sleeve is internally provided with a circulation tubule, one end of the circulation tubule penetrates through the side wall of the isolation sleeve and is connected with a circulation tube, the other end of the circulation tubule is provided with a connector, the connector is connected with the circulation tube, and the connector is provided with a first electromagnetic valve.

Compared with the prior art, the invention has the beneficial effects that:

1. when the invention is used, when the heat of a certain battery is too high, the heat is transferred into the liquid storage tube through the heat conducting plate, the liquid in the liquid storage tube expands after being heated, and flows into the buoyancy barrel through the expansion tube, the buoyancy plug rises along with the liquid level after the liquid flows into the buoyancy barrel, the buoyancy plug pushes the trigger plate through the buoyancy rod when rising, the magnetic pole of the electromagnet changes after the control button is pressed down by the trigger plate, the second electromagnetic valve is opened in a delayed manner, the liquid in the buoyancy barrel flows back into the liquid storage tube after the second electromagnetic valve is opened, the bearing frame moves upwards under the action of the reset spring after the magnetic pole of the electromagnet changes, the trigger button in the isolation sleeve is triggered when the bearing frame moves upwards, the isolation sleeve just covers the battery completely when the trigger button is triggered, the first electromagnetic valve is opened, and the water in the circulating tube generates a branch flow and passes through the circulating tubule after the first electromagnetic valve is opened, water through the circulation tubule can flow into the circulating pipe again at last, can draw close the distance of battery and cooling water through this kind of mode to carry out rapid cooling to single battery, and then avoid the battery high temperature to cause the incident.

2. When the electromagnetic valve is used, liquid in the liquid storage tube cannot flow into the buoyancy tube after the temperature of the battery is reduced, the liquid in the buoyancy tube can continuously flow back into the liquid storage tube, the control button can be released along with the reduction of the liquid level in the buoyancy tube, the magnetic pole of the electromagnet can be changed again after the control button is released, the battery can be connected with the electromagnet again after the magnetic pole of the electromagnet is changed, the first electromagnetic valve can be closed to circulate the water in the thin tube not to flow, the second electromagnetic valve can be disconnected after the control button is released, the cooled battery can be reset through the mode, and meanwhile, the overheat protection device and the isolation sleeve can automatically stop working.

Drawings

Fig. 1 is a schematic structural diagram of a battery pack cooling device of a new energy power automobile.

Fig. 2 is an internal structure diagram of a battery pack cooling device of a new energy power automobile.

Fig. 3 is a disassembled view of the internal structure of the battery pack cooling device of the new energy power automobile.

Fig. 4 is an internal structure view of a housing in a battery pack cooling device of a new energy power automobile.

Fig. 5 is an exploded view of a heat sink in a battery pack cooling device of a new energy powered vehicle.

Fig. 6 is a structural diagram of a battery and a bearing frame in a battery pack cooling device of a new energy power automobile.

Fig. 7 is a schematic structural diagram of an isolation sleeve in a battery pack cooling device of a new energy power automobile.

Fig. 8 is a structural diagram of an overheat protection device in a battery pack cooling device of a new energy power automobile.

Fig. 9 is an exploded view of an overheat protection device in a battery pack cooling device of a new energy power vehicle.

FIG. 10 is a disassembled view of the internal structure of the buoyancy barrel in the battery pack cooling device of the new energy power automobile.

Fig. 11 is a schematic structural diagram of a heat conducting member in a battery pack cooling device of a new energy power automobile.

In the figure: 1. a housing; 2. an upper cover; 3. a water tank; 4. a circulation pump; 5. a heat dissipation baffle; 500. a heat dissipation fan; 501. a heat sink; 6. a circulation pipe; 7. a partition plate; 700. installing a frame; 701. a heat insulation plate; 702. an insulating plate; 703. an expansion tube; 704. a liquid storage tube; 705. a connecting pipe; 8. a bearing frame; 9. a battery; 900. a slideway; 10. a sleeve; 11. a connecting rod; 12. an isolation sleeve; 13. a trigger button; 14. circulating the thin tube; 15. a connector; 16. a first solenoid valve; 17. a heat insulating sheet; 18. an electromagnet; 19. mounting a column; 190. a control button; 191. a buoyancy cylinder; 192. a return pipe; 193. a second solenoid valve; 194. a buoyancy rod; 195. a buoyancy plug; 196. a trigger plate; 197. a heat conducting plate; 198. a heat conducting spring.

Detailed Description

The first embodiment is as follows:

referring to fig. 1 to 6, in an embodiment of the present invention, a new energy power vehicle battery pack cooling device includes a housing 1, an upper cover 2 is connected to an upper end of the housing 1 through a screw, a heat dissipation window is formed in an upper end of the upper cover 2, a water tank 3 is fixedly connected to a right end of the housing 1, a circulation pump 4 is further fixedly connected to the right end of the housing 1, circulation pipes 6 are distributed on an inner wall of the housing 1, one end of each circulation pipe 6 is connected to the circulation pump 4, and the other end is connected to the water tank 3, a heat dissipation baffle 5 is fixedly connected to a middle portion of the housing 1, a plurality of heat dissipation fins 501 are fixedly connected to an interior of the heat dissipation baffle 5, a plurality of heat dissipation fans 500 are installed on the heat dissipation baffle 5, heat dissipation ports are formed at both left and right ends of the housing 1, the heat dissipation ports correspond to the heat dissipation baffle 5, a plurality of partition plates 7 are fixedly installed to an interior of the housing 1, each partition plate 7 includes a mounting frame 700, and a heat insulation plate 701 is fixedly connected to one end of the mounting frame 700, one end of the heat insulation board 701 is fixedly connected with an insulation board 702, a plurality of partition boards 7 divide the interior of the shell 1 into a plurality of mounting grooves, batteries 9 are respectively mounted in the mounting grooves, electromagnets 18 are fixedly connected in the mounting grooves, a bearing frame 8 is sleeved outside the batteries 9, the length and the width of each battery 9 are respectively smaller than those of the bearing frame 8, a plurality of ventilation windows are arranged on the bearing frame 8, a connecting window is arranged at the lower end of the bearing frame 8 and corresponds to the electromagnets 18, a magnet block is fixedly connected at the lower end of each battery 9, the batteries 9 are adsorbed on the electromagnets 18, a plurality of elastic rods are fixedly connected on the outer wall of the bearing frame 8, each elastic rod comprises a sleeve 10, a reset spring is fixedly connected in the sleeve 10, a connecting rod 11 is inserted in the sleeve 10, the connecting rod 11 is fixedly connected with the shell 1, the connecting rod 11 is in sliding connection with the sleeve 10, when the magnet block is connected with the electromagnets 18, the reset spring in the sleeve 10 is in a compressed state, install overheat protection device on the baffle 7, can in time protect overheated battery 9 through overheat protection device and handle, a plurality of isolated covers 12 of fixedly connected with on the upper cover 2, isolated cover 12 corresponds with battery 9, and isolated cover 12 is inserted and is established in the clearance between battery 9 and carriage 8, can protect battery 9 through isolated cover 12.

Example two:

referring to fig. 7 to 11, with reference to the base of embodiment 1, a heat insulating sheet 17 is installed between the bearing frame 8 and the overheat protection device, the heat insulating sheet 17 is fixedly connected to the housing 1, the overheat protection device can be protected by the heat insulating sheet 17, so as to prevent the temperature in the housing 1 from affecting the normal use of the overheat protection device, the overheat protection device is installed in the installation frame 700, the overheat protection device includes an expansion pipe 703, one end of the expansion pipe 703 is fixedly connected to a liquid storage pipe 704, a liquid which expands when exposed to heat is stored in the liquid storage pipe 704, the liquid which expands when exposed to heat is such as water or mercury, and the other end of the expansion pipe 703 is fixedly connected to a connection pipe 705;

a buoyancy tube 191 is arranged at one end of the connecting tube 705 far away from the expansion tube 703, the vertical height of the buoyancy tube 191 is higher than that of the liquid storage tube 704, the connecting tube 705 is inserted in the buoyancy tube 191, the lower end of the buoyancy tube 191 is fixedly connected with a return tube 192, one end of the return tube 192 far away from the buoyancy tube 191 is connected with the liquid storage tube 704, the inner diameter of the return tube 192 is smaller than that of the connecting tube 705, the return tube 192 is fixedly connected with a second electromagnetic valve 193, a buoyancy plug 195 is movably connected in the buoyancy tube 191, a buoyancy rod 194 is in threaded connection with the buoyancy plug 195, the upper end of the buoyancy rod 194 is rotatably connected with a trigger plate 196, the trigger plate 196 is rotatably connected with the shell 1 through a rotating shaft, the rotating shaft is positioned in the middle of the trigger plate 196, one side of the buoyancy barrel 191 is fixedly connected with a mounting column 19, the mounting column 19 is fixedly connected with the shell 1, the upper end of the mounting column 19 is provided with a control button 190, and the control button 190 is positioned below the trigger plate 196;

a heat conducting plate 197 is inserted on the liquid storage pipe 704, one end of the heat conducting plate 197 is positioned in the liquid storage pipe 704, the other end of the heat conducting plate 197 is positioned outside the liquid storage pipe 704, one end of the heat conducting plate 197 positioned in the liquid storage pipe 704 is fixedly connected with a heat conducting spring 198, one end of the heat conducting plate 197 away from the liquid storage pipe 704 is movably connected with the battery 9, a slideway 900 is fixedly connected on the outer wall of the battery 9, the heat conducting plate 197 sequentially penetrates through the heat insulating sheet 17 and the bearing frame 8 to be in sliding connection with the battery 9 through the slideway 900, one end of the heat conducting plate 197 away from the liquid storage pipe 704 is in contact with the surface of the battery 9, sliding windows are respectively arranged on the bearing frame 8 and the heat insulating sheet 17, and the heat conducting plate 197 sequentially penetrates through the bearing frame 8 and the heat insulating sheet 17 through the sliding windows;

isolation cover 12 is made for the copper product material, and isolation cover 12 is the bilayer, and the inside top of isolation cover 12 is equipped with trigger button 13, and circulation tubule 14 has been arranged in the lateral wall of isolation cover 12, and the lateral wall that isolation cover 12 was run through to the one end of circulation tubule 14 is connected with circulating pipe 6, and the other end is equipped with connector 15, and connector 15 is connected with circulating pipe 6 (along the inside rivers direction of circulating pipe 6, connector 15 is located the upper reaches, and circulation tubule 14 is located the low reaches), is equipped with first solenoid valve 16 on the connector 15.

The working principle of the invention is as follows:

when the invention is used, the circulating pump 4 and the heat dissipation fan 500 are started, the circulating pump 4 is started to enable water in the water tank 3 to circulate in the circulating pipe 6 so as to dissipate heat in the shell 1, when the heat of a certain battery 9 is too high, the heat is transferred into the liquid storage pipe 704 through the heat conducting plate 197, the liquid in the liquid storage pipe 704 expands after being heated so as to flow into the buoyancy cylinder 191 through the expansion pipe 703, the liquid flows into the buoyancy cylinder 191, the buoyancy plug 195 rises along with the liquid level, the buoyancy plug 195 pushes the trigger plate 196 through the buoyancy rod 194 when rising, the trigger plate 196 continuously approaches the control button 190 in the process of being pushed by the buoyancy rod 194, the magnetic pole of the electromagnet 18 changes after the control button 190 is pressed down by the trigger plate 196, the second electromagnetic valve 193 is delayed to be opened (the delay time is 10 seconds after the control button 190 is triggered), the liquid in the buoyancy cylinder 191 flows back into the liquid storage pipe 704 after the second electromagnetic valve is opened (the pipe 192 is smaller than the pipe diameter of the return pipe 192 The connection pipe 705 is connected, so that the backflow speed of the backflow pipe 192 is smaller than the speed of liquid entering the buoyancy barrel 191), the bearing frame 8 moves upwards under the action of the return spring after the magnetic poles of the electromagnets 18 are changed, the trigger button 13 in the isolation sleeve 12 is triggered when the bearing frame 8 moves upwards, the isolation sleeve 12 just completely covers the battery 9 when the trigger button 13 is triggered, meanwhile, the first electromagnetic valve 16 is opened, water in the circulation pipe 6 generates branch flow after the first electromagnetic valve 16 is opened and passes through the circulation thin pipe 14, and the water passing through the circulation thin pipe 14 finally flows into the circulation pipe 6 again, so that the distance between the battery 9 and cooling water can be shortened, and the temperature of the single battery 9 can be rapidly reduced;

when the temperature of the battery 9 is reduced, the liquid in the liquid storage tube 704 does not flow into the buoyancy tube 191, the liquid in the buoyancy tube 191 continuously flows back into the liquid storage tube 704, the magnetic pole of the electromagnet 18 is changed again (from the same magnetic pole as the magnetic pole of the magnet block to the opposite magnetic pole) after the control button 190 is released as the liquid level in the buoyancy tube 191 is reduced, the battery 9 is connected with the electromagnet 18 again after the magnetic pole of the electromagnet 18 is changed, the first electromagnetic valve 16 is closed, the water in the circulation tubule 14 does not flow, and the second electromagnetic valve 193 is closed after the control button 190 is released (the delay time is 10 seconds after the control button 190 is released).

Claims

1. The utility model provides a new forms of energy power automobile group battery cooling device, includes shell (1), its characterized in that, the right-hand member fixedly connected with water tank (3) of shell (1), the right-hand member of shell (1) still fixedly connected with circulating pump (4), circulating pipe (6) have been arranged on the inner wall of shell (1), the inside fixed mounting of shell (1) has a plurality of baffles (7), and is a plurality of baffle (7) separate into a plurality of mounting grooves in with shell (1), all install battery (9) in the mounting groove, fixedly connected with electro-magnet (18) in the mounting groove, the outside cover of battery (9) is equipped with carriage (8), the lower extreme fixed connection magnet piece of battery (9), battery (9) adsorb on electro-magnet (18), a plurality of elastic rods of fixedly connected with on the outer wall of carriage (8), install overheat protection device on baffle (7), can in time protect overheated battery (9) through overheat protection device and handle, a plurality of isolation cover (12) of fixedly connected with on upper cover (2), isolation cover (12) correspond with battery (9), in isolation cover (12) are inserted and are established in the clearance between battery (9) and bearing frame (8), can protect battery (9) through isolation cover (12).

2. The battery pack cooling device for the new energy power automobile according to claim 1, wherein a heat dissipation baffle (5) is fixedly connected to the middle of the outer shell (1), a plurality of heat dissipation fins (501) are fixedly connected to the inside of the heat dissipation baffle (5), a plurality of heat dissipation fans (500) are installed on the heat dissipation baffle (5), heat dissipation ports are formed in the left end and the right end of the outer shell (1), and the heat dissipation ports correspond to the heat dissipation baffle (5).

3. The battery pack cooling device for the new energy power automobile according to claim 1, wherein the partition plate (7) comprises a mounting frame (700), one end of the mounting frame (700) is fixedly connected with a heat insulation plate (701), and one end of the heat insulation plate (701) is fixedly connected with an insulation plate (702).

4. The battery pack cooling device for the new energy power automobile according to claim 3, wherein the overheating protection device is installed in the installation frame (700), the overheating protection device comprises an expansion pipe (703), one end of the expansion pipe (703) is fixedly connected with a liquid storage pipe (704), liquid which expands when heated is stored in the liquid storage pipe (704), and the other end of the expansion pipe (703) is fixedly connected with a connecting pipe (705).

5. The new energy power automobile battery pack cooling device according to claim 4, wherein a buoyancy cylinder (191) is installed at one end, away from the expansion pipe (703), of the connecting pipe (705), the connecting pipe (705) is inserted into the buoyancy cylinder (191), a return pipe (192) is fixedly connected to the lower end of the buoyancy cylinder (191), one end, away from the buoyancy cylinder (191), of the return pipe (192) is connected with a liquid storage pipe (704), a second electromagnetic valve (193) is fixedly connected to the return pipe (192), a buoyancy plug (195) is movably connected to the buoyancy cylinder (191), a buoyancy rod (194) is connected to the buoyancy plug (195) in a threaded manner, a trigger plate (196) is rotatably connected to the upper end of the buoyancy rod (194), a mounting column (19) is fixedly connected to one side of the buoyancy cylinder (191), and a control button (190) is arranged at the upper end of the mounting column (19), the control button (190) is located below the trigger plate (196).

6. The cooling device for the battery pack of the new energy power automobile as claimed in claim 5, wherein a heat conducting plate (197) is inserted on the liquid storage pipe (704), one end of the heat conducting plate (197) is located in the liquid storage pipe (704), the other end of the heat conducting plate (197) is located outside the liquid storage pipe (704), one end of the heat conducting plate (197) located in the liquid storage pipe (704) is fixedly connected with a heat conducting spring (198), and one end of the heat conducting plate (197) far away from the liquid storage pipe (704) is movably connected with the battery (9).

7. The battery pack cooling device for the new energy power automobile according to claim 6, wherein a slideway (900) is fixedly connected to the outer wall of the battery (9), the heat conducting plate (197) sequentially penetrates through the heat insulating sheet (17) and the bearing frame (8) and is in sliding connection with the battery (9) through the slideway (900), and one end, far away from the liquid storage pipe (704), of the heat conducting plate (197) is in contact with the surface of the battery (9).

8. The new energy power automobile battery pack cooling device according to claim 1, characterized in that, isolated cover (12) is made for the copper material, just isolated cover (12) is double-deck, the inside top of isolated cover (12) is equipped with trigger button (13), circulation tubule (14) have been arranged in the lateral wall of isolated cover (12), the lateral wall that isolated cover (12) was run through to the one end of circulation tubule (14) is connected with circulating pipe (6), and the other end is equipped with connector (15), connector (15) are connected with circulating pipe (6), be equipped with first solenoid valve (16) on connector (15).