CN217955963U

CN217955963U - Efficient cooling device for combined lithium battery pack

Info

Publication number: CN217955963U
Application number: CN202221553180.2U
Authority: CN
Inventors: 屈海宁; 杜军; 晁绵顺; 高乃坤
Original assignee: Hebei Gyrx Technology Co ltd
Current assignee: Hebei Gyrx Technology Co ltd
Priority date: 2022-06-21
Filing date: 2022-06-21
Publication date: 2022-12-02
Anticipated expiration: 2032-06-21

Abstract

The utility model discloses a high-efficiency cooling device for a combined lithium battery pack, which relates to the technical field of cooling devices and comprises a fixed box and a cooling assembly; fixing the box: a water storage tank is fixed on the rear side surface, a temperature sensor is arranged in the water storage tank, and an air exhaust assembly is arranged in the middle of the fixed tank; a cooling assembly: contain outlet pipe, water pump, cooling tube and semiconductor refrigeration piece, the inside of the delivery port that sets up on the water storage box left surface is fixed with the outlet pipe, the left end of outlet pipe is fixed in the inside of the water inlet of water pump, the water pump is installed on the trailing flank of fixed case, the left end of cooling tube is fixed in the inside of the delivery port of water pump, two corresponding fixed orificess have been seted up on the trailing flank of fixed case, the inside at two fixed orificess is fixed to the cooling tube, the inside at the water inlet that sets up on the water storage box right flank is fixed to the right-hand member of cooling tube, can cool off lithium cell group fast.

Description

Efficient cooling device for combined lithium battery pack

Technical Field

The utility model relates to a cooling device technical field specifically is a high-efficient cooling device for making up formula lithium cell group.

Background

The traditional automobile engine can discharge a large amount of tail gas in the operation process, so that urban atmospheric pollution is serious, along with more and more attention of people to the environment, the development of the electric automobile is realized, clean energy is adopted, the development direction of an urban traffic system is formed, at present, part of cities or large exhibitions in China start to use the electric automobile, and the important role in reducing urban environmental pollution is played. At present, lithium battery devices are mostly adopted by electric automobiles to provide power for automobiles, in order to meet continuous mileage, charging frequency is reduced, each electric automobile needs to be provided with a plurality of lithium battery boxes, a plurality of rows of lithium battery modules are respectively arranged in each lithium battery box, each lithium battery module is formed by orderly laminating a plurality of lithium battery cores, multiple sections of spaces and internal resistance of the batteries are reduced, the lithium battery cores need to be tightly laminated, in the advancing process of the automobiles, all lithium batteries need to dissipate heat, heat accumulation is caused, the service life of the lithium batteries is influenced to a certain extent, if the temperature of a certain lithium battery exceeds 170 ℃, spontaneous combustion is easy to occur, so that safety accidents are caused, the cooling effect of a cooling system of the lithium battery pack in the prior art is poor, a large amount of heat can be generated in the using process, safety accidents are caused, and therefore, an efficient cooling device for the combined lithium battery pack is provided.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a high-efficient cooling device for making up formula lithium cell group, can cool off lithium cell group fast, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a high-efficiency cooling device for a combined lithium battery pack comprises a fixed box and a cooling assembly;

fixing the box: a water storage tank is fixed on the rear side surface, a temperature sensor is arranged in the water storage tank, and an air exhaust assembly is arranged in the middle of the fixed tank;

a cooling assembly: the lithium battery pack cooling device comprises a water outlet pipe, a water pump, a cooling pipe and a semiconductor refrigeration piece, wherein the water outlet pipe is fixed inside a water outlet arranged on the left side surface of the water storage box, the left end of the water outlet pipe is fixed inside a water inlet of the water pump, the water pump is arranged on the rear side surface of a fixed box, the left end of the cooling pipe is fixed inside the water outlet of the water pump, two corresponding fixed holes are formed in the rear side surface of the fixed box, the cooling pipe is fixed inside the two fixed holes, the right end of the cooling pipe is fixed inside the water inlet arranged on the right side surface of the water storage box, a mounting groove is formed in the rear side surface of the water storage box, the semiconductor refrigeration piece is arranged inside the mounting groove, the cooling end of the semiconductor refrigeration piece is located inside the mounting groove, the heat dissipation end of the semiconductor refrigeration piece is located outside the water storage box, and the lithium battery pack is cooled by arranging a cooling assembly;

wherein: the input of water pump and semiconductor refrigeration piece all is connected the output of outside PLC controller electrically, temperature sensor is connected with the two-way electricity of outside PLC controller.

Further, the air exhaust component contains air exhauster, exhaust tube, connecting pipe and air exhaust bucket, install the air exhauster on the right flank of fixed case, the air exhaust mouth internal fixation of air exhauster has the exhaust tube, evenly distributed's connecting hole has been seted up on the periphery of exhaust tube, the inside of connecting hole is fixed with the connecting pipe, evenly distributed's mounting hole has been seted up on the last side of fixed case, the inside of mounting hole is fixed with the air exhaust bucket, the inside in the exhaust hole that sets up under the air exhaust bucket on the terminal surface is fixed to the upper end of connecting pipe, the output of outside PLC controller is connected to the input electricity of air exhauster, takes steam out through setting up the air exhaust component.

Furthermore, be provided with the viewing aperture on the last side of water storage box, the inside of viewing aperture is fixed with the transparent plate, makes the inside condition of observation water storage box that the user can be very convenient through setting up the transparent plate.

Furthermore, the inside of the liquid inlet arranged on the upper side surface of the water storage tank is fixed with a liquid injection pipe, the upper end of the liquid injection pipe is buckled with a cover cap, and water enters the inside of the water storage tank through the liquid injection pipe.

Furthermore, be fixed with spacing frame on the side of going up of fixed case, the inside of spacing frame is fixed with the rubber frame, prescribes a limit to the position of lithium cell group through setting up spacing frame.

Furthermore, a fixing plate is fixed on the upper side face of the limiting frame, two corresponding fixing holes are formed in the side face of the fixing plate, and the limiting frame is connected with the lithium battery pack through the fixing plate and the fixing holes.

Compared with the prior art, the beneficial effects of the utility model are that: this a high-efficient cooling device for combination formula lithium cell group has following benefit:

make the in-process that uses can fix the lithium cell group on the last side of fixed case through setting up fixed case, fixed back start-up water pump pours into the inside of cooling tube into with the inside cooling water of water storage box, and the cooling water carries out the in-process that flows at the cooling tube and can carry out cooling to the lithium cell group of fixed case top, and the subassembly of bleeding can starting to bleed at this process takes steam out, can effectively improve refrigerated speed under such circumstances, unusual convenience.

Drawings

FIG. 1 is a schematic front side view of the present invention;

FIG. 2 is a schematic structural view of the cooling module of the present invention;

fig. 3 is a schematic view of the lower side structure of the present invention.

In the figure: the device comprises a fixed box 1, a water storage box 2, a temperature sensor 3, a cooling assembly 4, a water outlet pipe 41, a water pump 42, a cooling pipe 43, a semiconductor refrigerating sheet 44, an air extraction assembly 5, an exhaust fan 51, an air extraction pipe 52, a connecting pipe 53, an air extraction barrel 54, a transparent plate 6, a liquid injection pipe 7, a cover cap 8, a limiting frame 9, a rubber frame 10, a fixing plate 11 and a fixing hole 12.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present embodiment provides a technical solution: a high-efficiency cooling device for a combined lithium battery pack comprises a fixed box 1 and a cooling assembly 4;

fixing box 1: the water storage tank 2 is fixed on the rear side face, the temperature sensor 3 is installed inside the water storage tank 2, the air extraction component 5 is installed in the middle of the fixed tank 1, the air extraction component 5 comprises an exhaust fan 51, an air extraction pipe 52, a connecting pipe 53 and an air extraction barrel 54, the exhaust fan 51 is installed on the right side face of the fixed tank 1, the air extraction pipe 52 is fixed in the air extraction port of the exhaust fan 51, connecting holes which are uniformly distributed are formed in the circumferential face of the air extraction pipe 52, the connecting pipe 53 is fixed inside the connecting holes, mounting holes which are uniformly distributed are formed in the upper side face of the fixed tank 1, the air extraction barrel 54 is fixed inside the mounting holes, the upper end of the connecting pipe 53 is fixed inside the air extraction hole formed in the lower end face of the air extraction barrel 54, the input end of the exhaust fan 51 is electrically connected with the output end of an external PLC controller, and hot air is extracted by the air extraction component 5;

the cooling component 4: the water storage tank comprises a water outlet pipe 41, a water pump 42, a cooling pipe 43 and a semiconductor refrigeration sheet 44, wherein the water outlet pipe 41 is fixed inside a water outlet arranged on the left side surface of the water storage tank 2, the left end of the water outlet pipe 41 is fixed inside a water inlet of the water pump 42, the water pump 42 is installed on the rear side surface of the fixed tank 1, the left end of the cooling pipe 43 is fixed inside a water outlet of the water pump 42, two corresponding fixing holes are formed in the rear side surface of the fixed tank 1, the cooling pipe 43 is fixed inside the two fixing holes, the right end of the cooling pipe 43 is fixed inside a water inlet arranged on the right side surface of the water storage tank 2, an installation groove is formed in the rear side surface of the water storage tank 2, the semiconductor refrigeration sheet 44 is installed inside the installation groove, the cooling end of the semiconductor refrigeration sheet 44 is located inside the installation groove, the heat dissipation end of the semiconductor refrigeration sheet 44 is located outside the water storage tank 2, and the battery pack is cooled by arranging the cooling assembly 4;

wherein: the input ends of the water pump 42 and the semiconductor refrigerating sheet 44 are electrically connected with the output end of an external PLC, and the temperature sensor 3 is electrically connected with the external PLC in a bidirectional mode.

Wherein: the upper side surface of the water storage tank 2 is provided with an observation port, a transparent plate 6 is fixed in the observation port, and a user can observe the condition inside the water storage tank 2 very conveniently by arranging the transparent plate 6.

Wherein: a liquid injection pipe 7 is fixed in the liquid inlet arranged on the upper side surface of the water storage tank 2, the upper end of the liquid injection pipe 7 is buckled with a cover cap 8, and water enters the water storage tank 2 through the liquid injection pipe 7.

Wherein: fixed case 1 is fixed with spacing frame 9 on the last side, and the inside of spacing frame 9 is fixed with rubber frame 10, prescribes a limit to the position of lithium cell group through setting up spacing frame 9.

Wherein: be fixed with fixed plate 11 on spacing frame 9's the last side, seted up two corresponding fixed orificess 12 on fixed plate 11's the side, link to each other spacing frame 9 and lithium cell group through setting up fixed plate 11 and fixed orificess 12.

The utility model provides a pair of a high-efficient cooling device for making up formula lithium cell group's theory of operation as follows: at first fix lithium cell group on the last side of fixed case 1, fixed back semiconductor refrigeration piece 44 cools off the water of water storage box 2 inside, start water pump 42 after the cooling pours into the inside of cooling tube 43 with the inside cooling water of water storage box 1, the cooling water carries out the in-process that flows at cooling tube 43 and can be to the cooling that the lithium cell group of fixed case 1 top goes on, can start air exhauster 51 simultaneously at this in-process, can take out the inside steam of lithium cell group through air exhaust bucket 54 after air exhauster 51 starts, can accelerate the cooling rate of lithium cell group greatly under such a condition, very convenient.

It should be noted that, the external PLC controller disclosed in the above embodiments is of a specific model of siemens S7 to 200, the temperature sensor 3, the water pump 42, the semiconductor refrigeration sheet 44, and the exhaust fan 51 may be freely configured according to an actual application scenario, and the external PLC controller controls the water pump 42, the semiconductor refrigeration sheet 44, and the exhaust fan 51 to work by a method commonly used in the prior art.

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

Claims

1. The utility model provides a high-efficient cooling device for combination formula lithium cell group which characterized in that: comprises a fixed box (1) and a cooling component (4);

stationary box (1): a water storage tank (2) is fixed on the rear side surface, a temperature sensor (3) is installed inside the water storage tank (2), and an air exhaust assembly (5) is installed in the middle of the fixed tank (1);

cooling assembly (4): the water storage tank comprises a water outlet pipe (41), a water pump (42), a cooling pipe (43) and semiconductor refrigeration sheets (44), wherein the water outlet pipe (41) is fixed inside a water outlet arranged on the left side surface of the water storage tank (2), the left end of the water outlet pipe (41) is fixed inside a water inlet of the water pump (42), the water pump (42) is installed on the rear side surface of the fixed tank (1), the left end of the cooling pipe (43) is fixed inside a water outlet of the water pump (42), two corresponding fixed holes are formed in the rear side surface of the fixed tank (1), the cooling pipe (43) is fixed inside the two fixed holes, the right end of the cooling pipe (43) is fixed inside a water inlet arranged on the right side surface of the water storage tank (2), a mounting groove is formed in the rear side surface of the water storage tank (2), the semiconductor refrigeration sheets (44) are installed inside the mounting groove, the cooling ends of the semiconductor refrigeration sheets (44) are located inside the mounting groove, and the heat dissipation ends of the semiconductor refrigeration sheets (44) are located outside the water storage tank (2);

wherein: the input ends of the water pump (42) and the semiconductor refrigerating sheet (44) are electrically connected with the output end of an external PLC, and the temperature sensor (3) is electrically connected with the external PLC in a bidirectional mode.

2. The efficient cooling apparatus for a combined lithium battery pack according to claim 1, wherein: air exhaust subassembly (5) contain air exhauster (51), exhaust tube (52), connecting pipe (53) and air extraction bucket (54), install air exhauster (51) on the right flank of fixed case (1), be fixed with exhaust tube (52) in the air extraction mouth of air exhauster (51), evenly distributed's connecting hole has been seted up on the periphery of exhaust tube (52), the inside of connecting hole is fixed with connecting pipe (53), evenly distributed's mounting hole has been seted up on the last side of fixed case (1), the inside of mounting hole is fixed with air extraction bucket (54), the inside in the air extraction hole that sets up is fixed on exhaust bucket (54) lower terminal surface in the upper end of connecting pipe (53), the output of outside PLC controller is connected to the input electricity of air exhauster (51).

3. The efficient cooling apparatus for a combined lithium battery pack according to claim 1, wherein: an observation port is arranged on the upper side surface of the water storage tank (2), and a transparent plate (6) is fixed inside the observation port.

4. The efficient cooling apparatus for a combined lithium battery pack according to claim 1, wherein: a liquid injection pipe (7) is fixed in the liquid inlet formed in the upper side surface of the water storage tank (2), and a cover cap (8) is buckled at the upper end of the liquid injection pipe (7).

5. The efficient cooling apparatus for a combined lithium battery pack according to claim 1, wherein: a limiting frame (9) is fixed on the upper side face of the fixing box (1), and a rubber frame (10) is fixed inside the limiting frame (9).

6. The efficient cooling apparatus for a combined lithium battery pack according to claim 5, wherein: a fixing plate (11) is fixed on the upper side face of the limiting frame (9), and two corresponding fixing holes (12) are formed in the side face of the fixing plate (11).