CN217415520U

CN217415520U - Gravity type heat pipe cooling system suitable for direct current fills electric pile

Info

Publication number: CN217415520U
Application number: CN202221353935.4U
Authority: CN
Inventors: 陈紫鑫; 杨梦辉; 赵晨卓; 杨宗辉; 贾倩怡
Original assignee: Zhengzhou University of Science and Technology
Current assignee: Zhengzhou University of Science and Technology
Priority date: 2022-06-01
Filing date: 2022-06-01
Publication date: 2022-09-13
Anticipated expiration: 2032-06-01

Abstract

The utility model relates to a gravity type heat pipe cooling system suitable for direct current fills electric pile, including filling the electric pile body, fill the outside of electric pile body and be equipped with the rifle of charging and place the mouth, and fill the internal charging module that is equipped with of electric pile, fill the internal bottom mounting panel and the intermediate bottom that is equipped with of electric pile, intermediate bottom will fill the space partition that lies in the internal bottom mounting panel of electric pile and divide into heat absorption chamber and condensation chamber, the charging module is installed in the heat absorption chamber, and intermediate bottom runs through there are a plurality of heat transfer device; the left side and the right side of the heat absorption chamber are respectively provided with a first air inlet and a first exhaust outlet, the left side and the right side of the condensation chamber are respectively provided with a second air inlet and a second exhaust outlet, the first exhaust outlet is provided with a first exhaust fan, and the second exhaust outlet is provided with a second exhaust fan. The utility model discloses beneficial effect such as the radiating effect is good has.

Description

Gravity type heat pipe cooling system suitable for direct current fills electric pile

Technical Field

The utility model relates to a cooling system especially relates to a gravity type heat pipe cooling system suitable for direct current fills electric pile, belongs to the car and fills electric pile technical field.

Background

With the green environmental protection becoming a new theme of automobile development, the new energy automobile accounts for a higher and higher proportion of all automobiles. Along with the rapid development of new energy electric vehicles, charging piles are also gradually popularized as basic charging facilities of electric vehicles, particularly direct current charging piles, the core part of the direct current charging piles is a high-frequency switch rectification power module, so that the temperature rise of internal components is reduced, the control temperature does not exceed the rated working temperature, and the problem that the direct current charging piles can be used for long-term normal, reliable and stable operation is guaranteed.

At present, a high-power direct-current charging pile has the advantages of large output voltage and current, short charging time, large power and the like, and has the disadvantages of large heat dissipation capacity, harsh working environment and the like. If the heat that gives off can not in time be got rid of, will direct impact fill electric pile's normal work, present forced air cooling radiating mode forced air cooling effect is poor, and the noise is big, can not satisfy the requirement that high-power direct current fills electric pile.

SUMMERY OF THE UTILITY MODEL

The utility model discloses mainly be to the above-mentioned problem that prior art exists, provide a gravity type heat pipe cooling system suitable for direct current fills electric pile.

The purpose of the utility model is realized mainly by the following scheme:

a gravity type heat pipe cooling system suitable for a direct-current charging pile comprises a charging pile body, wherein a charging gun placing opening is formed in the outer side of the charging pile body, a power module is arranged in the charging pile body, a bottom mounting plate and a middle partition plate are arranged in the charging pile body, the space, located above the bottom mounting plate, in the charging pile body is divided into a heat absorption chamber and a condensation chamber by the middle partition plate, the power module is mounted in the heat absorption chamber, and a plurality of heat exchange devices penetrate through the middle partition plate; the heat absorption device is characterized in that a first air inlet and a first exhaust outlet are respectively arranged on the left side and the right side of the heat absorption chamber, a second air inlet and a second exhaust outlet are respectively arranged on the left side and the right side of the condensation chamber, a first exhaust fan is arranged at the first exhaust outlet, and a second exhaust fan is arranged at the second exhaust outlet.

Preferably, the heat exchange device comprises a heat exchange tube, the heat exchange tube is of a closed structure, and a heat transfer working medium is arranged at the bottom in the heat exchange tube.

Preferably, the heat exchange tube is made of copper.

Preferably, the heat exchange tube is sequentially divided into a condensation section, a heat insulation section and an evaporation section from top to bottom, the condensation section is located in the condensation chamber, the evaporation section is located between the power modules in the heat absorption chamber, a sealing assembly is arranged on the outer wall of the heat insulation section, a through hole is formed in the middle partition plate, and the heat insulation section is detachably connected in the through hole of the middle partition plate through the sealing assembly.

Preferably, the condensing section and the evaporating section of the heat exchange tube are both provided with annular fins.

Preferably, the through hole is a stepped hole and comprises a first through hole at the upper part and a second through hole at the lower part, the inner diameter of the first through hole is larger than that of the second through hole, and the outer diameter of the annular rib is smaller than that of the second through hole.

Preferably, a first sealing ring is arranged at the bottom of the first through hole, and a second sealing ring is arranged on the inner circumferential surface of the second through hole.

Preferably, the sealing assembly comprises a limiting column and a clamping column which are integrally formed, the lower end of the limiting column is placed in the first through hole, and the outer wall of the clamping column is tightly attached to the inner circumferential surface of the second sealing ring.

Preferably, the lower extreme of joint post stretches out the second through-hole and is equipped with connecting portion, the outer wall of connecting portion is equipped with the external screw thread, and the outer wall of connecting portion has locking bolt through external screw thread connection.

Preferably, the first exhaust fan and the second exhaust fan both use axial fans.

Therefore, compared with the prior art, the utility model discloses possess following advantage:

(1) the utility model discloses utilize gravity type heat exchange tube and axial compressor exhaust fan to dispel the heat in the mode of combining together, can guarantee to fill under the safe, the stable prerequisite of working of electric pile, carry out effective, quick heat dissipation to filling electric pile, and can reduce the operating power of exhaust fan moreover to reduce the heat dissipation energy consumption of filling electric pile;

(2) the utility model discloses a heat absorption room and condensation chamber will be separated into to fill electric pile body top through the intermediate bottom that sets up, the evaporation zone of heat exchange tube, adiabatic section and power module all are located the heat absorption indoor, the condensation zone of heat exchange tube is located the condensation chamber, the outdoor air current of heat absorption gets into from first air intake, absorb the heat of power module release in the power module, the evaporation zone of heat exchange tube is located between the power module simultaneously, can absorb the heat of power module release, the indoor air current of heat absorption is under the effect of first exhaust fan, through first exhaust opening discharge to outdoor, because the evaporation zone of heat exchange tube absorbs the heat between the power module, the heat transfer working medium evaporation in the evaporation zone becomes gaseous state, get into the condensation release heat in the condensation zone through the adiabatic section, become liquid state from the gaseous state, the outdoor air of condensation gets into from the second air intake, flow in the condensation chamber, absorb the heat that emits when the gaseous heat transfer working medium condenses in the condensation zone, the temperature rises, and the air is exhausted from the second air outlet under the action of the second exhaust fan, so that the heat dissipation of the power module is effectively realized, and the heat dissipation effect is good;

(3) the utility model discloses the seal assembly who sets up can guarantee to dismantle between heat exchange tube and the intermediate bottom and link, and the washing, the maintenance and the change of the heat exchange tube of being convenient for, and the leakproofness of guaranteeing the intermediate bottom is good, can avoid the heat of power module at the indoor release of heat absorption to disperse to the condensation chamber in and influence the radiating effect.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a heat exchange device of the present invention;

FIG. 3 is a schematic structural view of the connection between the heat exchange device and the middle partition plate of the present invention;

fig. 4 is an enlarged view at a in fig. 3.

Illustration of the drawings: 1-charging pile body, 2-charging gun placing port, 3-power module, 4-bottom mounting plate, 5-intermediate partition plate, 6-heat absorption chamber, 7-condensation chamber, 8-first air inlet, 9-first air outlet, 10-second air inlet, 11-second air outlet, 12-first exhaust fan, 13-second exhaust fan, 14-heat exchange tube, 15-heat transfer working medium, 16-condensation section, 17-heat insulation section, 18-evaporation section, 19-annular fin, 20-first through hole, 21-second through hole, 22-first sealing ring, 23-second sealing ring, 24-limiting column, 25-clamping column, 26-connecting part and 27-locking bolt.

Detailed Description

The technical solution of the present invention is further specifically described below by way of specific embodiments and with reference to the accompanying drawings. It is to be understood that the practice of the invention is not limited to the following examples, and that any modifications and/or changes in form made to the invention are intended to fall within the scope of the invention.

In the utility model, all parts and percentages are weight units, and the adopted equipment, raw materials and the like can be purchased from the market or commonly used in the field if not specified. The methods in the following examples are conventional in the art unless otherwise specified. The components or devices in the following examples are, unless otherwise specified, standard parts or parts known to those skilled in the art, the structure and principle of which are known to those skilled in the art through technical manuals or through routine experimentation.

Example 1:

as shown in fig. 1, the utility model provides a technical scheme, a gravity type heat pipe heat dissipation system suitable for a direct current charging pile, which comprises a charging pile body 1 with a cuboid structure, a charging gun placing opening 2 is arranged on the outer side of the charging pile body 1, and a power module 3 is arranged in the charging pile body 1; a bottom mounting plate 4 and a middle partition plate 5 are fixedly mounted in the charging pile body 1, the lower portion of the bottom mounting plate 4 is a base of the charging pile body 1, the middle partition plate 5 divides a space above the bottom mounting plate 4 in the charging pile body 1 into a heat absorption chamber 6 and a condensation chamber 7, the power module 3 is mounted in the heat absorption chamber 6, and a plurality of heat exchange devices penetrate through the middle partition plate 5; the left and right sides of the heat absorption chamber 6 are respectively provided with a first air inlet 8 and a first exhaust port 9, the left and right sides of the condensation chamber 7 are respectively provided with a second air inlet 10 and a second exhaust port 11, the first exhaust port 9 is provided with a first exhaust fan 12, the second exhaust port 11 is provided with a second exhaust fan 13, and the first exhaust fan 12 and the second exhaust fan 13 are both axial flow fans.

Utilize heat transfer device and axial compressor exhaust fan to dispel the heat the mode that combines together, can fill electric pile body 1 safety, under the prerequisite of stable work guaranteeing, carry out effective, quick heat dissipation to filling electric pile body 1, can reduce the operating power of exhaust fan moreover to reduce the heat dissipation energy consumption that fills electric pile body 1.

Example 2:

as shown in fig. 1 and 2, the utility model provides another kind of technical scheme, a gravity type heat pipe cooling system suitable for direct current fills electric pile, with embodiment 1's difference lie in, heat transfer device includes inside hollow heat exchange tube 14, heat exchange tube 14's material is copper in this embodiment, and heat exchange tube 14's tube inner wall is equipped with the tube core that the one deck comprises the porotic material, heat exchange tube 14 adopts closed structure, and the bottom is equipped with heat transfer working medium 15 in the heat exchange tube 14, heat transfer working medium 15 adopts liquid ammonia or freon in this embodiment.

The heat exchange tube 14 is divided into a condensation section 16, a heat insulation section 17 and an evaporation section 18 from top to bottom in sequence, and the condensation section 16 is positioned in the condensation chamber 7, the evaporation section 18 is positioned between the power modules 3 in the heat absorption chamber 6, when the heat emitted by the power module 3 supplies heat to the evaporation section 18, the heat transfer working medium 15 absorbs heat and is vaporized into steam, the steam flows to the condensation section 16 at a high speed through the heat insulation section 17 along the middle channel under the action of pressure difference, the steam is condensed into liquid after releasing latent heat to cold air in the condensation chamber 7 in the condensation section 16, wherein, when the heat transfer working medium 15 is evaporated in the evaporation section 18, the gas-liquid interface is concave to form a plurality of meniscus liquid surfaces to generate capillary pressure, the liquid working medium returns to the evaporation section 18 under the action of the reflux power of capillary pressure of the tube core, gravity and the like to continue to absorb heat for evaporation, the heat transfer working medium 15 is circulated in this way, so that the heat is continuously transferred from the heat absorption chamber 6 to the condensation chamber 7 by evaporation and condensation.

As shown in fig. 3 and 4, the outer wall of the heat insulating section 17 is provided with a sealing assembly, the intermediate partition 5 is provided with a through hole, and the heat insulating section 17 is detachably connected in the through hole of the intermediate partition 5 through the sealing assembly, so that the heat exchange tube 14 is convenient to clean, maintain and replace, the good sealing performance of the intermediate partition 5 is ensured, and the heat released by the power module 3 in the heat absorption chamber 6 can be prevented from being dissipated into the condensation chamber 7 to affect the heat dissipation effect.

The condensing section 16 and the evaporating section 18 of the heat exchange tube 14 are welded with annular fins 19 to increase the heat transfer coefficient.

The through hole is a stepped hole and consists of a first through hole 20 at the upper part and a second through hole 21 at the lower part, the inner diameter of the first through hole 20 is larger than that of the second through hole 21, and the outer diameter of the annular rib 19 is smaller than that of the second through hole 21, so that the heat exchange tube 14 can conveniently pass through the through hole.

The bottom of the first through hole 20 is provided with a first sealing ring 22, the inner circumferential surface of the second through hole 21 is provided with a second sealing ring 23, and both the first sealing ring 22 and the second sealing ring 23 are made of high temperature resistant elastic materials.

Above-mentioned sealing assembly includes integrated into one piece's spacing post 24 and joint post 25, and the diameter of spacing post 24 and the internal diameter phase-match of first through-hole 20, and the lower extreme of spacing post 24 is placed in first through-hole 20, and the diameter of joint post 25 and the internal diameter phase-match of second sealing washer 23, and the joint post 25 outer wall closely laminates at the inner circumferential face of second sealing washer 23.

The lower end of the clamping column 25 extends out of the second through hole 21 and is integrally provided with a connecting portion 26, the outer wall of the connecting portion 26 is provided with external threads, and the outer wall of the connecting portion 26 is connected with a locking bolt 27 through the external threads, so that the heat exchange tube 14 is convenient to mount and dismount.

The utility model provides a gravity type heat pipe cooling system suitable for direct current fills electric pile utilizes gravity type heat exchange tube and axial compressor exhaust fan to combine together the mode and dispels the heat, can guarantee to fill electric pile under the safe, the steady job's of electric pile prerequisite, carries out effective, quick heat dissipation to filling electric pile, and can reduce the operating power of exhaust fan moreover to reduce the heat dissipation energy consumption of filling electric pile; the upper part of the charging pile body is divided into a heat absorption chamber and a condensation chamber by an arranged intermediate partition plate, an evaporation section, a heat insulation section and a power module of a heat exchange tube are positioned in the heat absorption chamber, the condensation section of the heat exchange tube is positioned in the condensation chamber, outdoor airflow of the heat absorption chamber enters from a first air inlet, heat released by the power module is absorbed in the power module, meanwhile, the evaporation section of the heat exchange tube is positioned between the power modules and can absorb the heat released by the power module, indoor airflow of the heat absorption chamber is exhausted to the outside through the first exhaust port under the action of a first exhaust fan, because the evaporation section of the heat exchange tube absorbs heat between the power modules, working medium in the evaporation section is evaporated and changed from a liquid state into a gas state, the working medium enters from a second air inlet through the heat insulation section and flows in the condensation chamber, and absorbs heat released when the gaseous heat transfer working medium in the condensation section condenses, the temperature rises, and the air is exhausted from the second air outlet under the action of the second exhaust fan, so that the heat dissipation of the power module is effectively realized, and the heat dissipation effect is good; the sealing assembly can guarantee that the heat exchange tube and the intermediate clapboard are connected in a detachable mode, the heat exchange tube is convenient to clean, maintain and replace, the intermediate clapboard is good in sealing performance, and the heat released by the power module in the heat absorption chamber can be prevented from being dissipated into the condensation chamber to affect the heat dissipation effect.

It should be understood that this example is for illustrative purposes only and is not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope of the appended claims.

Claims

1. The utility model provides a gravity type heat pipe cooling system suitable for direct current fills electric pile, includes fills electric pile body (1), the outside of filling electric pile body (1) is equipped with the rifle that charges and places mouth (2), and fills and be equipped with power module (3), its characterized in that in electric pile body (1): a bottom mounting plate (4) and a middle partition plate (5) are arranged in the charging pile body (1), the middle partition plate (5) divides a space above the bottom mounting plate (4) in the charging pile body (1) into a heat absorption chamber (6) and a condensation chamber (7), the power module (3) is mounted in the heat absorption chamber (6), and a plurality of heat exchange devices penetrate through the middle partition plate (5); the left and right sides of heat absorption room (6) is equipped with first air intake (8) and first exhaust opening (9) respectively, the left and right sides of condensation chamber (7) is equipped with second air intake (10) and second exhaust opening (11) respectively, first exhaust opening (9) department is equipped with first exhaust fan (12), second exhaust opening (11) department is equipped with second exhaust fan (13).

2. The gravity type heat pipe cooling system suitable for the direct current charging pile according to claim 1, wherein: the heat exchange device comprises a heat exchange tube (14), the heat exchange tube (14) is of a closed structure, and a heat transfer working medium (15) is arranged at the bottom in the heat exchange tube (14).

3. The gravity type heat pipe cooling system suitable for the direct current charging pile according to claim 2, wherein: the heat exchange tube (14) is made of copper.

4. The gravity type heat pipe cooling system suitable for the direct current charging pile according to claim 2, characterized in that: the heat exchange tube (14) is divided into a condensation section (16), a heat insulation section (17) and an evaporation section (18) from top to bottom in sequence, the condensation section (16) is located in the condensation chamber (7), the evaporation section (18) is located between the power modules (3) in the heat absorption chamber (6), the outer wall of the heat insulation section (17) is provided with a sealing assembly, a through hole is formed in the intermediate partition plate (5), and the heat insulation section (17) is detachably connected in the through hole of the intermediate partition plate (5) through the sealing assembly.

5. The gravity type heat pipe cooling system suitable for the direct current charging pile according to claim 4, wherein: and annular fins (19) are arranged on the condensation section (16) and the evaporation section (18) of the heat exchange tube (14).

6. The gravity type heat pipe cooling system suitable for the direct current charging pile according to claim 5, wherein: the through hole is a stepped hole and comprises a first through hole (20) in the upper portion and a second through hole (21) in the lower portion, the inner diameter of the first through hole (20) is larger than that of the second through hole (21), and the outer diameter of the annular rib (19) is smaller than that of the second through hole (21).

7. The gravity type heat pipe cooling system suitable for the direct current charging pile according to claim 6, wherein: the bottom of the first through hole (20) is provided with a first sealing ring (22), and the inner circumferential surface of the second through hole (21) is provided with a second sealing ring (23).

8. The gravity type heat pipe cooling system suitable for the direct current charging pile according to claim 7, wherein: the sealing assembly comprises a limiting column (24) and a clamping column (25) which are integrally formed, the lower end of the limiting column (24) is placed in the first through hole (20), and the outer wall of the clamping column (25) is tightly attached to the inner circumferential surface of the second sealing ring (23).

9. The gravity type heat pipe cooling system suitable for the direct current charging pile according to claim 8, wherein: the lower extreme of joint post (25) stretches out second through-hole (21) and is equipped with connecting portion (26), the outer wall of connecting portion (26) is equipped with the external screw thread, and the outer wall of connecting portion (26) has locking bolt (27) through threaded connection.

10. The gravity type heat pipe cooling system suitable for the direct current charging pile according to claim 1, wherein: the first exhaust fan (12) and the second exhaust fan (13) both adopt axial flow fans.