CN218731231U

CN218731231U - Heat pipe-spray cold composite cooling battery heat management device

Info

Publication number: CN218731231U
Application number: CN202222189530.8U
Authority: CN
Inventors: 李兆华; 左吉; 骆桢弘; 王翔; 沈浩; 赵俊杰; 周航
Original assignee: Yangzhou University
Current assignee: Yangzhou University
Priority date: 2022-08-19
Filing date: 2022-08-19
Publication date: 2023-03-24
Anticipated expiration: 2032-08-19

Abstract

The utility model provides a heat pipe-cold battery thermal management device of spraying of cold composite cooling in the battery cooling technical field, including the battery package, be equipped with a plurality of battery piece in the battery package, be equipped with heat dissipation mechanism on the battery package, heat dissipation mechanism includes the heat dissipation case, be equipped with the inlet tube on the heat dissipation case, be connected with the atomizer on the inlet tube that stretches into the heat dissipation case, be equipped with the heating panel in the heat dissipation case, the atomizer is directly over the heating panel, still be equipped with the outlet pipe on the heat dissipation case, it has the heat pipe to peg graft on the battery package between two battery pieces, the upper end of heat pipe is upwards pegged graft in the heat dissipation case, the heat pipe supports the downside at the heating panel; the utility model discloses the radiating effect is good, battery long service life.

Description

Heat pipe-spray cold composite cooling battery heat management device

Technical Field

The utility model belongs to the technical field of the battery cooling, in particular to cold compound refrigerated battery heat management device of heat pipe-spraying.

Background

At present, environmental pollution and petroleum loss are increasingly serious, and new energy automobiles gradually become an important link for development in the automobile industry. The battery pack of the new energy automobile is used as a core component of the new energy automobile, and the performance and the service life of the battery pack directly influence the reliability and the safety of the electric automobile. Among all the influencing factors, the influence of the temperature on the charge and discharge performance of the battery pack is the largest, and the performance of the battery pack is influenced even by the overhigh temperature, so that safety accidents occur.

The lithium ion power battery is widely applied to electric equipment such as an electric automobile and a hybrid electric automobile due to the advantages of high energy density, no memory effect, long cycle life and the like. Therefore, the thermal management of the lithium ion power battery plays an important role in ensuring the performance and safety of the battery. Therefore, it is urgently needed to develop a battery pack cooling device, which can ensure that the battery operates at the optimal working temperature, prolong the service life of the battery, and improve the battery performance and the safety of the electric automobile.

SUMMERY OF THE UTILITY MODEL

To the defect among the prior art, the utility model discloses an it is weak enough among the solution prior art, has solved the poor technical problem of radiating effect among the prior art, provides a heat pipe-cold compound refrigerated battery heat management device of spraying, and this device radiating effect is good, battery long service life.

The purpose of the utility model is realized like this: the utility model provides a cold compound refrigerated battery heat management device of heat pipe-spraying, includes the battery package, be equipped with a plurality of battery piece in the battery package, be equipped with heat dissipation mechanism on the battery package, heat dissipation mechanism includes the heat dissipation case, be equipped with the inlet tube on the heat dissipation case, be connected with atomizer on stretching into the inlet tube of heat dissipation incasement, the heat dissipation incasement is equipped with the heating panel, atomizer is directly over the heating panel, still be equipped with the outlet pipe on the heat dissipation case, between two battery pieces the heat pipe has been pegged graft on the battery package, upward peg graft in the heat dissipation incasement in the upper end of heat pipe, the heat dissipation pipe supports the downside at the heating panel.

In the utility model, the battery pack generates heat when the battery block works, the heat is transferred to the heat dissipation plate through the heat conduction pipe, the heat dissipation plate absorbs the heat of the battery pack, the temperature rises, the cooling liquid continuously flows into the water inlet pipe, the cooling liquid is sprayed on the heat dissipation plate from the atomizing nozzle, the cooling liquid is sprayed on the heat dissipation plate and absorbs the temperature of the heat dissipation plate, the heat dissipation plate is cooled, the cooling liquid absorbing the heat flows out of the water outlet pipe again, and the cooling work of the battery pack is realized; compared with the prior art, the beneficial effects of the utility model reside in that: the heat conduction pipe, the heat dissipation box, the heat dissipation plate, the atomizing nozzle and the like are jointly arranged, so that heat in the battery pack can be quickly conducted out conveniently, the atomizing nozzle sprays cooling liquid to quickly cool the heat of the heat dissipation plate, continuous cooling of the heat dissipation plate is realized, namely the heat dissipation and cooling of the battery pack are realized, the heat dissipation effect is good, the heat dissipation efficiency is high, and the service life of the battery is prolonged; the method can be applied to the cooling operation of the battery.

In order to realize the connection of the heat conduction pipe and the heat dissipation box, a supporting plate is arranged on the lower side of the heat dissipation box, inserting holes are formed in the supporting plate, the lower side of the heat dissipation plate is attached to the supporting plate, and the upper end of the heat conduction pipe is inserted into the supporting plate through the inserting holes and supported on the lower side of the heat dissipation plate.

In order to realize the circulation of the cooling liquid, the heat dissipation mechanism further comprises a liquid storage tank, a water inlet pipe extending out of the heat dissipation box is communicated with the liquid storage tank, a first water pump is arranged on the water inlet pipe, one end of a water outlet pipe extending out of the heat dissipation box is communicated with the water storage tank, and a second water pump is arranged on the water outlet pipe.

In order to realize timely cooling of the circulating cooling liquid and maintain the cooling effect, a condenser is further arranged between the water storage tank and the water outlet pipe, the water outlet pipe is communicated with the water inlet end of the condenser, and the water outlet of the condenser is communicated with the liquid storage tank through a connecting pipe.

In order to improve the contact area of the heat dissipation plate and the cooling liquid, a plurality of extending columns extending upwards are arranged on the upper side of the heat dissipation plate.

As a further improvement, the battery pack is provided with a support frame, and the heat dissipation box is supported on the battery pack through the support frame.

As a further improvement, the flow meter is arranged on the water inlet pipe extending into the heat dissipation box.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the middle heat dissipation mechanism of the present invention.

Fig. 3 is a schematic structural diagram of the heat dissipating plate of the present invention.

In the figure: 1. the battery pack, 101 battery blocks, 2 heat dissipation mechanisms, 201 heat dissipation boxes, 202 water inlet pipes, 203 atomizer, 204 heat dissipation plates, 204a extension column, 205 water outlet pipes, 206 supporting plates, 207 jacks, 208 flow meters, 3 heat conduction pipes, 4 liquid storage tanks, 5 water pumps I, 6 water pumps II, 7 condensers, 8 connecting pipes and 9 supporting frames.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

A heat pipe-spray cooling combined battery heat management device as shown in fig. 1-3, which comprises a battery pack 1, wherein a plurality of battery blocks 101 are arranged in the battery pack 1, a heat dissipation mechanism 2 is arranged on the battery pack 1, the heat dissipation mechanism 2 comprises a heat dissipation box 201 and a liquid storage tank 4, a support frame 9 is arranged on the battery pack 1, the heat dissipation box 201 is supported on the battery pack 1 through the support frame 9, a water inlet pipe 202 is arranged on the heat dissipation box 201, a flowmeter 208 is arranged on the water inlet pipe 202 extending into the heat dissipation box 201, an atomizing nozzle 203 is connected to the water inlet pipe 202 extending into the heat dissipation box 201, a heat dissipation plate 204 is arranged in the heat dissipation box 201, a plurality of extending columns 204a extending upwards are arranged on the upper side of the heat dissipation plate 204, the atomizing nozzle 203 is arranged right above the heat dissipation plate 204, a water outlet pipe 205 is further arranged on the heat dissipation box 201, the water inlet pipe 202 extending out of the heat dissipation box 201 is communicated with the liquid storage tank 4, a water pump 5 is arranged on the water inlet pipe 202, one end of the water outlet pipe 205 extending out of the heat dissipation box 201 is communicated with a water storage tank, a water pump 6 is arranged on the water outlet pipe 205, a condenser 7 is further arranged between the water storage tank 205, the water outlet pipe 205 is communicated with a water inlet pipe 8 of the condenser 7; the battery pack 1 between the two battery blocks 101 is inserted with the heat conducting pipes 3, the upper ends of the heat conducting pipes 3 are upwards inserted in the heat dissipation box 201, the heat dissipation pipe is supported on the lower side of the heat dissipation plate 204, the lower side of the heat dissipation box 201 is provided with the support plate 206, the support plate 206 is provided with the insertion holes 207, the lower side of the heat dissipation plate 204 is attached to the support plate 206, and the upper ends of the heat conducting pipes 3 are inserted in the support plate 206 through the insertion holes 207 and are supported on the lower side of the heat dissipation plate 204.

The utility model discloses well storage tank 4 is stored with the coolant liquid, battery piece 101 work makes battery package 1 generate heat, the heat transmits for heating panel 204 through heat pipe 3, heating panel 204 absorbs the heat temperature rise of battery package 1, water pump 5 pumps the coolant liquid in the water storage tank, the coolant liquid is from inlet tube 202 continuous inflow atomizer 203, atomizer 203 sprays the coolant liquid on heating panel 204, flowmeter 208 controls the outflow measurement of coolant liquid, the coolant liquid sprays on heating panel 204 and absorbs the temperature of heating panel 204, the setting of extension post 204a, increase the area of contact of heating panel 204 and coolant liquid, improve heat exchange efficiency, heating panel 204 is cooled down, the coolant liquid that absorbs heat flows out from outlet pipe 205 again, pump two 6 into condenser 7 in, condenser 7 condenses behind the high temperature coolant liquid and carries the coolant liquid after the cooling back to storage tank 4 again (condenser 7 is prior art, how condenser 7 realizes the cooling and no longer gives details), can realize the circulative cooling effect of coolant liquid, the continuous cooling work of realizing battery package 1 promptly; the utility model discloses the combined setting of well heat pipe 3, heat dissipation case 201, heating panel 204, atomizer 203 etc. makes things convenient for the heat in the battery package 1 to conduct out fast, and atomizer 203 sprays the coolant liquid, cools off the heat of heating panel 204 fast, realizes continuously cooling to heating panel 204, namely to the heat dissipation cooling of battery package 1, and the radiating effect is good, and the radiating efficiency is high, improves the life of battery; the condenser 7, the liquid storage tank 4 and the like are arranged, so that the circulating cooling function of the cooling liquid is realized, and the use is convenient; the method can be applied to the cooling operation of the battery.

The present invention is not limited to the above embodiments, and based on the technical solutions disclosed in the present invention, those skilled in the art can make some replacements and transformations for some technical features without creative labor according to the disclosed technical contents, and these replacements and transformations are all within the protection scope of the present invention.

Claims

1. The utility model provides a cold compound refrigerated battery heat management device of heat pipe-spraying, includes the battery package, be equipped with a plurality of battery piece in the battery package, its characterized in that: the battery pack is provided with a heat dissipation mechanism, the heat dissipation mechanism comprises a heat dissipation box, a water inlet pipe is arranged on the heat dissipation box, an atomizing nozzle is connected onto the water inlet pipe extending into the heat dissipation box, a heat dissipation plate is arranged in the heat dissipation box, the atomizing nozzle is arranged right above the heat dissipation plate, a water outlet pipe is further arranged on the heat dissipation box, a heat conduction pipe is inserted between the two battery blocks, the upper end of the heat conduction pipe is upwards inserted into the heat dissipation box, and the heat dissipation pipe is supported at the lower side of the heat dissipation plate.

2. A heat pipe-spray cold hybrid cooled battery thermal management device according to claim 1, wherein: the lower side of the heat dissipation box is provided with a supporting plate, the supporting plate is provided with an insertion hole, the lower side of the heat dissipation plate is attached to the supporting plate, and the upper end of the heat conduction pipe is inserted into the supporting plate through the insertion hole and is supported on the lower side of the heat dissipation plate.

3. A heat pipe-spray cold hybrid cooled battery thermal management device according to claim 2, wherein: the heat dissipation mechanism further comprises a liquid storage tank, a water inlet pipe extending out of the heat dissipation box is communicated with the liquid storage tank, a first water pump is arranged on the water inlet pipe, one end of a water outlet pipe extending out of the heat dissipation box is communicated with the liquid storage tank, and a second water pump is arranged on the water outlet pipe.

4. A heat pipe-spray cold hybrid cooled battery thermal management device according to claim 3, wherein: a condenser is further arranged between the liquid storage tank and the water outlet pipe, the water outlet pipe is communicated with the water inlet end of the condenser, and the water outlet of the condenser is communicated with the liquid storage tank through a connecting pipe.

5. The heat pipe-spray cooling combined battery thermal management device according to claim 4, characterized in that: a plurality of extending columns extending upwards are distributed on the upper side of the heat dissipation plate.

6. The heat pipe-spray cold hybrid cooled battery thermal management device according to claim 5, wherein: the battery pack is provided with a support frame, and the heat dissipation box is supported on the battery pack through the support frame.

7. A heat pipe-spray cold hybrid cooled battery thermal management device according to any one of claims 1 to 6, characterized in that: a flowmeter is arranged on the water inlet pipe extending into the heat dissipation box.