CN218333992U

CN218333992U - New energy automobile water-cooling battery thermal management system

Info

Publication number: CN218333992U
Application number: CN202222595368.XU
Authority: CN
Inventors: 陈海波; 赵晓文
Original assignee: Jilin University
Current assignee: Jilin University
Priority date: 2022-09-29
Filing date: 2022-09-29
Publication date: 2023-01-17
Anticipated expiration: 2032-09-29

Abstract

The utility model discloses a belong to water-cooling management technical field, specifically be a new energy automobile water-cooled battery thermal management system, comprising a water tank, water-cooling part is including installing in the inboard circulating pump of water tank, bent shape water-cooling pipe is connected to the circulating pump output, the battery outside is located to bent shape water-cooling pipe dish, bent shape water-cooling pipe water inlet port and circulating pump output port intercommunication set up, bent shape water-cooling pipe outside is connected the locating rack to bent shape water-cooling pipe rigidity, be linear equidistance on the locating rack and connect a plurality of radiating fin, radiating fin extends to the locating rack inboard and is connected with bent shape water-cooling pipe, location screw and outside fastening bolt screw fit, fix bent shape water-cooling pipe at the battery outsidely, the circulating pump supplies with cold water, cold water exports the heat that battery work produced through bent shape water-cooling pipe, and, radiating fin with bent shape water-cooling pipe contact setting can be derived the heat that bent shape water-cooling pipe produced because of heat exchange is supplementary, further curved shape increases the radiating effect of bent shape water-cooling pipe.

Description

New energy automobile water-cooling battery thermal management system

Technical Field

The utility model relates to a battery heat management technical field specifically is a new energy automobile water-cooling battery heat management system.

Background

The battery thermal management is based on the influence of temperature on the battery performance, the combination of the electrochemical characteristics and the heat production mechanism of the battery, the optimal charging and discharging temperature interval of the specific battery, and the establishment of reasonable design on the basis of the multidisciplinary fields of materials science, electrochemistry, heat transfer science, molecular dynamics and the like, and aims to solve the problem of heat dissipation or thermal runaway caused by the operation of the battery under the condition of overhigh or overlow temperature;

the common thermal management system for the power battery of the new energy automobile generally adopts an electric heating belt heating and fan heat dissipation mode, and when the temperature is lower than a certain value, the capacity can be reduced.

At present, the operation of dispelling the heat to new energy automobile battery is carried out to water-cooling heat dissipation mode commonly used, in long-time use, because the refrigerant liquid circulates heat conduction between water-cooled tube and water tank for a long time, the inside heat of refrigerant liquid can accumulate gradually, will influence refrigerant liquid heat exchange efficiency and effect after accumulating to a certain degree, and then leads to the radiating effect weak, can't satisfy the battery heat dissipation.

SUMMERY OF THE UTILITY MODEL

This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and in the abstract of the specification and the title of the application to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplifications or omissions are not intended to limit the scope of the invention.

Therefore, the utility model aims at providing a new energy automobile water-cooling battery thermal management system, location screw and outside fastening bolt screw assembly fix bent shape water-cooling pipe in the battery outside, and the circulating pump supplies with cold water, and cold water is derived the heat that battery work produced through bent shape water-cooling pipe to, the radiating fin who sets up with bent shape water-cooling pipe contact can be derived bent shape water-cooling pipe because of the heat that the heat exchange produced is supplementary, further increases bent shape water-cooling pipe's radiating effect.

For solving the technical problem, according to the utility model discloses an aspect, the utility model provides a following technical scheme:

the utility model provides a new energy automobile water-cooling battery thermal management system, it includes:

a water tank;

the water cooling component comprises a circulating pump arranged on the inner side of the water tank, the output end of the circulating pump is connected with a curved water cooling pipe, and a curved water cooling pipe coil is arranged on the outer side of the battery;

the water inlet port of the curved water-cooling pipe is communicated with the output port of the circulating pump, and the water outlet port of the curved water-cooling pipe is communicated with the water tank;

the curved water-cooling tube outside is connected to curved water-cooling tube rigidity's locating rack, is linear equidistance on the locating rack and connects a plurality of radiating fins, and the radiating fin extends to the locating rack inboard and is connected with curved water-cooling tube.

As a new energy automobile water-cooling battery thermal management system's an optimal selection scheme, wherein: the temperature control component is arranged on the outer side of the water tank and comprises a control panel embedded on the outer side of the water tank and a temperature sensor connected in the water tank, and the temperature sensor, the semiconductor refrigerating sheet and the circulating pump are all connected with the control panel;

the temperature control component further comprises a plurality of semiconductor refrigerating pieces connected to the water tank, the refrigerating ends of the semiconductor refrigerating pieces are arranged corresponding to the inner side of the water tank, and the heat dissipation ends of the semiconductor refrigerating pieces are located on the outer side of the water tank.

As a new energy automobile water-cooling battery thermal management system's an optimal selection scheme, wherein: the locating rack left and right sides all sets up the location screw with outside fastening bolt spiral shell dress, and locating rack central point puts and sets up the draw-in groove the same with bent shape water-cooling tube external diameter.

As a new energy automobile water-cooling battery thermal management system's an preferred scheme, wherein: and a control valve for controlling the on-off state of the curved water cooling pipe is embedded outside the water inlet port of the curved water cooling pipe.

As a new energy automobile water-cooling battery thermal management system's an preferred scheme, wherein: the inner sides of the end parts of the water inlet port and the water outlet port of the curved water-cooling pipe are all clamped with a filter screen plate.

Compared with the prior art: location screw and outside fastening bolt screw assembly are fitted, fix bent shape water-cooling tube at the battery outside, and the circulating pump supplies cold water, and cold water is derived the heat that battery work produced through bent shape water-cooling tube to, the radiating fin who sets up with bent shape water-cooling tube contact can be with bent shape water-cooling tube because of the heat that the heat exchange produced is supplementary to be derived, further increases bent shape water-cooling tube's radiating effect.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the present invention will be described in detail with reference to the accompanying drawings and detailed embodiments, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor. Wherein:

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

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a schematic view of a part of the structure of the present invention;

fig. 4 is a schematic view of the top view structure of the present invention.

In the figure: 100 water tanks, 200 water cooling parts, 210 circulating pumps, 220 curved water cooling pipes, 221 control valves, 230 positioning frames, 231 positioning screw holes, 232 clamping grooves, 240 radiating fins, 300 temperature control parts, 310 control panels and 320 temperature sensors.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, other embodiments may be utilized and other implementations may be devised without departing from the spirit and scope of the present invention.

Next, the present invention will be described in detail with reference to the schematic drawings, and in the detailed description of the embodiments of the present invention, for convenience of explanation, the sectional view showing the device structure will not be enlarged partially according to the general scale, and the schematic drawings are only examples, and should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

The utility model provides a new energy automobile water-cooling battery thermal management system, please refer to fig. 1, which comprises a water tank 100, a water-cooling part 200 and a temperature control part 300;

with continued reference to fig. 1, 2 and 4, the water tank 100;

with continued reference to fig. 1-4, the water cooling unit 200 includes a circulation pump 210 installed inside the water tank 100, an output end of the circulation pump 210 is connected to a curved water cooling pipe 220, and the curved water cooling pipe 220 is coiled outside the battery;

the inlet of the curved water-cooling pipe 220 is communicated with the outlet of the 210 circulating pump 210, and the outlet of the curved water-cooling pipe 220 is communicated with the water tank 100;

the outer side of the curved water-cooling tube 220 is connected with a positioning frame 230 fixed to the position of the curved water-cooling tube 220, a plurality of radiating fins 240 are linearly and equidistantly connected to the positioning frame 230, the radiating fins 240 extend to the inner side of the positioning frame 230 and are connected with the curved water-cooling tube 220, a control valve 221 for controlling the connection state of the curved water-cooling tube 220 is embedded on the outer side of a water inlet port of the curved water-cooling tube 220, a positioning screw hole 231 is in threaded fit with an external fastening bolt, the curved water-cooling tube 220 is fixed to the outside of a battery, a circulating pump 210 supplies cold water, the cold water conducts heat generated by the work of the battery through the curved water-cooling tube 220, and the radiating fins 240 arranged in contact with the curved water-cooling tube 220 can conduct the heat generated by the heat exchange of the curved water-cooling tube 220 in an auxiliary manner, so that the radiating effect of the curved water-cooling tube 220 is further improved;

the locating screw hole 231 with the external fastening bolt spiral shell dress is all seted up to the locating rack 230 left and right sides, and the locating rack 230 central point puts and offers the draw-in groove 232 the same with bent shape water-cooled tube 220 external diameter.

Referring to fig. 1, a temperature control unit 300 is disposed outside the water tank 100, the temperature control unit 300 includes a control panel 310 embedded outside the water tank 100, a temperature sensor 320 connected to the inside of the water tank 100, and a plurality of semiconductor chilling plates 330 connected to the water tank 100, the chilling ends of the semiconductor chilling plates 330 are disposed corresponding to the inside of the water tank 100, the heat dissipation ends of the semiconductor chilling plates 330 are disposed outside the water tank 100, the temperature sensor 320, the semiconductor chilling plates 330, and the circulation pump 210 are all connected to the control panel 310, the temperature information of the cold water in the water tank 100 is monitored in real time by the temperature sensor 320 and then transmitted to the control panel 310, and when the temperature is lower than a threshold value, the semiconductor chilling plates 330 work to perform an auxiliary chilling operation on the water source in the water tank 100, thereby ensuring stable supply of cold water with a constant temperature.

The working principle is as follows: when the utility model is used, the positioning screw hole 231 is screwed with the external fastening bolt to fix the curved water-cooling tube 220 outside the battery, the circulating pump 210 supplies cold water, the cold water leads out the heat generated by the battery through the curved water-cooling tube 220, and the heat generated by the curved water-cooling tube 220 due to heat exchange can be led out in an auxiliary way by the radiating fin 240 arranged in contact with the curved water-cooling tube 220, so that the radiating effect of the curved water-cooling tube 220 is further improved;

and, the temperature information of the cold water in the water tank 100 is monitored in real time through the temperature sensor 320, and then transmitted to the control panel 310, when the temperature is lower than the threshold value, the semiconductor refrigeration sheet 330 works to perform auxiliary refrigeration operation on the water source in the water tank 100, so as to ensure stable supply of the cold water with constant temperature.

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the non-exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides a new energy automobile water-cooling battery thermal management system which characterized in that includes:

a water tank (100);

the water cooling component (200) comprises a circulating pump (210) arranged on the inner side of the water tank (100), the output end of the circulating pump (210) is connected with a curved water-cooling pipe (220), and the curved water-cooling pipe (220) is coiled on the outer side of the battery;

the water inlet port of the curved water-cooling pipe (220) is communicated with the output port of the circulating pump (210), and the water outlet port of the curved water-cooling pipe (220) is communicated with the water tank (100);

the outer side of the curved water-cooling tube (220) is connected with a positioning frame (230) fixed to the position of the curved water-cooling tube (220), a plurality of radiating fins (240) are linearly and equidistantly connected to the positioning frame (230), and the radiating fins (240) extend to the inner side of the positioning frame (230) and are connected with the curved water-cooling tube (220).

2. The heat management system for the water-cooled battery of the new energy automobile is characterized in that a temperature control component (300) is arranged on the outer side of the water tank (100), the temperature control component (300) comprises a control panel (310) embedded on the outer side of the water tank (100) and a temperature sensor (320) connected into the water tank (100), and the temperature sensor (320), the semiconductor refrigeration sheet (330) and the circulating pump (210) are all connected with the control panel (310);

the temperature control component (300) further comprises a plurality of semiconductor refrigerating pieces (330) connected to the water tank (100), the refrigerating ends of the semiconductor refrigerating pieces (330) are arranged corresponding to the inner side of the water tank (100), and the heat dissipation ends of the semiconductor refrigerating pieces (330) are located on the outer side of the water tank (100).

3. The heat management system for the water-cooled battery of the new energy automobile according to claim 1, wherein the left side and the right side of the positioning frame (230) are both provided with positioning screw holes (231) which are screwed with external fastening bolts, and a clamping groove (232) with the same outer diameter as the curved water-cooled tube (220) is formed in the center of the positioning frame (230).

4. The water-cooled battery heat management system for the new energy automobile as claimed in claim 1, characterized in that a control valve (221) for controlling the on-off state of the curved water-cooled tube (220) is embedded outside the water inlet port of the curved water-cooled tube (220).

5. The water-cooled battery thermal management system for the new energy automobile as claimed in claim 1, wherein filter mesh plates are clamped on inner sides of end portions of a water inlet port and a water outlet port of the curved water-cooled tube (220).