CN209768053U - Heat exchange system and direct current charger adopting same - Google Patents
Heat exchange system and direct current charger adopting same Download PDFInfo
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- CN209768053U CN209768053U CN201821787686.3U CN201821787686U CN209768053U CN 209768053 U CN209768053 U CN 209768053U CN 201821787686 U CN201821787686 U CN 201821787686U CN 209768053 U CN209768053 U CN 209768053U
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Abstract
The utility model discloses a heat transfer system and adopt its direct current charger, including at least one heat exchange core and cooling blower against the current, the heat exchange core includes a plurality of heat exchanger fins of arranging side by side against the current, forms heat conduction channel between two arbitrary adjacent heat exchanger fins, and heat conduction channel divide into heat absorption passageway and heat dissipation channel, and two kinds of passageways set up along the direction of arranging of heat exchanger fins in turn, heat absorption passageway air outlet and heat dissipation channel air intake department all set up cooling blower. The generated hot air enters the heat exchanger through the air inlet of the heat absorption channel, and the cold air returns to the cabinet after heat exchange and temperature reduction; in the process, heat is exchanged into the heat dissipation channel through the heat exchange fins and is exhausted to the outside through forced air cooling, and continuous cooling is realized alternately.
Description
Technical Field
The utility model relates to a heat transfer system and adopt its direct current charger.
Background
Currently, the new energy automobile industry in China is developing rapidly, and charging facilities become important infrastructure for the development of new energy automobiles. In the last two years, the relative hysteresis of the supporting infrastructure such as charging piles is becoming more and more prominent. At present, in order to improve efficiency, the adopted charging equipment is mainly direct current charging equipment. The module of charging is direct current charging equipment's core unit, and is domestic mainly for two kinds of specifications of 15KW and 20KW, and its main function is to carry out AC to DC conversion, has partial energy loss in the power conversion in-process, and the overwhelming majority converts the heat into.
The traditional charger adopts a fan direct-flow air-cooling forced cooling mode for heat dissipation, and because the protection level of a charging module is low, a cabinet needs to be provided with a filter screen and needs to be cleaned regularly, the operation and maintenance cost is high; otherwise, the battery is blocked, so that the charger is heated seriously and even is subjected to frequent thermal protection, and the use of the charger is influenced.
some manufacturers adopt a heat pipe heat exchange device, the heat pipe heat exchange device comprises an external circulation (a heat dissipation area) and an internal circulation (a heat absorption area), and the heat absorption area is provided with an air inlet and an air outlet which are communicated with the inside of the cabinet; and the heat dissipation area is provided with an air inlet and an air outlet which are communicated with an external channel of the cabinet. The heat of the hot air in the cabinet is absorbed by the heat pipe after passing through the heat absorption area, and the temperature of the air flowing back to the cabinet is reduced to form internal circulation. The cold air outside the cabinet is brought to the heat dissipation area by the fan, the cold air brings the heat of the heat pipe to the outside, the temperature of the heat pipe is reduced, and external circulation is formed. The internal and external circulation is carried out in two independent closed spaces, clean air is always in the cabinet, the charging module is not polluted, and the reliability and the service life are greatly improved.
in the heat pipe heat exchange device, the outer circulation and the inner circulation need to be completely isolated in two cavities, and a heat absorption area is required to be arranged at the lower part, and a heat dissipation area is required to be arranged at the upper part. The structure causes the heat exchange device to have larger volume and poorer structure flexibility. Meanwhile, the heat pipe heat exchange device is arranged on the upper part of the charging cabinet, and the charging module can only be arranged on the lower part of the heat exchange device in an up-and-down sequence. The internal circulation air duct is too long, the air resistance coefficient is increased, and the volume of the heat exchanger is inevitably increased to meet the air quantity requirements of all modules. In addition, the heat pipe of the heat pipe type heat exchange device is filled with a condensing agent, once the copper pipe is cracked or damaged, the condensing agent leaks, and the heat exchanger loses the function and cannot be used. The heat pipe inside needs to adopt a copper pipe, and the material cost and the processing cost are high.
With the development of miniaturization, high power and low cost of charging equipment, the required power density is higher and higher, the generated heat is more and more, and the cost is more and more strictly controlled. If a heat exchanger is adopted, the demand for miniaturization of the heat exchanger is higher and higher. The traditional heat pipe heat exchange device is influenced by the factors, the size reduction is very difficult, the potential of further upgrading the power is small, and the cost is higher.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve above-mentioned problem, provided a heat transfer system and adopted its direct current charger, the utility model discloses a modular design, small, heat exchange efficiency is high, the reliability is high and with low costs.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
A heat exchange system comprises at least one countercurrent heat exchange core and a cooling fan;
The heat exchange core body comprises a plurality of heat exchange fins arranged side by side, a heat conduction channel is formed between any two adjacent heat exchange fins and is divided into a heat absorption channel and a heat dissipation channel, the two channels are alternately arranged along the arrangement direction of the heat exchange fins, and cooling fans are arranged at the air outlet of the heat absorption channel and the air inlet of the heat dissipation channel.
Furthermore, a supporting mechanism is arranged on the heat conduction channel and arranged between every two adjacent heat exchange fins, so that the high strength and the tightness of the channel are ensured, and the pressure bearing capacity of the heat exchange fins is high.
Furthermore, the intervals between the heat exchange plates are equal.
Furthermore, the heat absorption channel is provided with an air inlet and an air outlet, and is in sealing fit with the interior of the cabinet; the heat dissipation channel is also provided with an air inlet and an air outlet which are communicated with the external environment.
Furthermore, a cooling fan is arranged at the air outlet of the heat absorption channel, an air suction port of the cooling fan faces the interior of the heat absorption channel, and an air outlet faces the interior of the cabinet;
The air inlet of the heat dissipation channel is provided with a cooling fan, the air suction port of the cooling fan faces to the outside, and the air outlet of the fan faces to the inside of the heat dissipation channel.
Further, the cooling fans are all arranged on the cold air side.
Furthermore, the heat exchange plate is formed in a punch mode, and the heat exchange plate is provided with a plurality of layers of turned edges and corrugated seaming at the inlet edge and the outlet edge. The edge strength of the design is high, the sealing performance is good, the joint is sealed by adopting the sealant, the undercut gummosis treatment is carried out, and the air tightness of the heat exchange core body is good.
Furthermore, an air duct isolation plate is arranged between the countercurrent heat exchange core body and the heat absorption channel and between the heat dissipation channel and the heat absorption channel.
The direct-current charger comprises a charger body, wherein a plurality of charging modules are arranged on the charger body, and the heat exchange systems are arranged at the positions where the charging modules are arranged in parallel.
Further, the heat exchange device and the charging module are arranged in parallel. And the size and the setting position of the heat exchange device are matched with the charging module. So as to ensure the heat exchange device to have the capability of timely radiating for the charging module.
The heat exchanger has no 'over-wind channel', so that the heat absorption channel and the heat dissipation channel are alternately arranged and fully exchange heat in a real sense, and the heat exchange efficiency is maximized.
The overall layout is improved, the heat exchanger is arranged at the rear position instead of the top position, the heat exchanger and the charging module are arranged in parallel, and compared with the top-arranged heat exchanger, the wind resistance is small, and the heat exchange efficiency is higher.
The heat conduction cycle of the charger body comprises an internal cycle and an external cycle, cold air generated by a cooling fan of a heat absorption channel in the heat exchange device enters the charging module through an air outlet of the heat absorption channel, and the cold air is changed into hot air after passing through the charging module; the hot air enters the heat absorption channel of the heat exchanger core through the air inlet of the heat absorption channel to form internal circulation, and in the process, the heat exchange sheets absorb heat in the hot air to change the heat into cold air; the cooling fan of the heat dissipation channel in the heat exchange device brings external cold air into the heat dissipation channel through the air inlet, enters the heat exchanger core, and returns to the outside through the air outlet to form external circulation, and in the process, the heat of the heat exchange fins is released into the air to become hot air.
Compared with the prior art, the beneficial effects of the utility model are that:
The generated hot air enters the heat exchanger through the air inlet of the heat absorption channel, and the cold air returns to the machine cabinet of the charger body after heat exchange and temperature reduction; in the process, heat is exchanged into the heat dissipation channel through the heat exchange fins and is exhausted to the outside through forced air cooling, and continuous cooling is realized alternately.
And a filter screen is not required to be installed, the labor cost for operation and maintenance is saved, and components are well isolated.
The modular design of the heat exchange device, such as replacement of a fan and a heat exchange core, does not need to integrally disassemble the heat exchanger, only needs to open the rear cover plate, can be flexibly replaced, and is very convenient to disassemble and assemble.
the heat exchange core is formed by overlapping heat exchange sheets, is not integrally cast or welded, does not need to be provided with a die, and has the advantages of large processing freedom degree, simple process flow and low cost.
The air can freely circulate, and compared with the traditional scheme, the air-free air conditioner does not need to leave an air channel, and has smaller volume with the same power.
the rack of the direct current charger behind the heat exchange device, the heat exchange core and the charging module are placed in parallel, and compared with an overhead heat exchanger, the wind resistance is small, and the heat exchange efficiency is higher.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.
Fig. 1 is an elevational view of the charger according to the present embodiment;
Fig. 2 is a top view of the charger of the present embodiment;
Fig. 3 is a right side view of the charger according to the embodiment;
Fig. 4 is a left side view of the charger of the present embodiment;
Fig. 5 is a rear view of the present embodiment.
Wherein: 1. a cabinet; 2. an electrical monitoring component; 3. a charging module; 4. a heat exchanger; 5. a heat exchange core; 6. a cabinet front door; 7. an air inlet of the heat absorption channel; 8. an air outlet of the heat absorption channel; 9. an air inlet of the heat dissipation channel; 10. an air outlet of the heat dissipation channel; 11. a heat absorption channel fan; 12. a heat dissipation channel fan; 13. air duct division board.
The specific implementation mode is as follows:
the present invention will be further explained with reference to the accompanying drawings and examples.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
In the present invention, the terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, and are only the terms determined for convenience of describing the structural relationship of each component or element of the present invention, and are not specific to any component or element of the present invention, and are not to be construed as limiting the present invention.
In the present invention, terms such as "fixedly connected", "connected", and the like are to be understood in a broad sense, and may be fixedly connected, or may be integrally connected or detachably connected; may be directly connected or indirectly connected through an intermediate. The meaning of the above terms in the present invention can be determined according to specific situations by persons skilled in the art, and should not be construed as limiting the present invention.
As shown in fig. 1-5, a direct current charger includes a cabinet, a charging module is disposed in the cabinet, and a heat exchange device is disposed at the back of the cabinet, and the heat exchange device includes one or more counter-flow heat exchange cores and a cooling fan. The core includes the equidistant heat exchanger fin of several side by side arrangement, (the heat exchanger fin is aluminum alloy or stainless steel, and the spiral ripple stamping forming who strengthens heat transfer has been done on the surface handles, greatly increased heat transfer area, and heat transfer efficiency is high), forms heat conduction channel between arbitrary two adjacent heat exchanger fins, and heat conduction channel divide into heat absorption passageway and heat dissipation channel, and two kinds of passageways set up along arranging the direction of heat exchanger fin in turn. The air channel is supported by the stamping convex round body, so that the high strength and the tightness of the channel are ensured, and the pressure bearing capacity of the heat exchange plate is high. The heat absorption channel is provided with an air inlet and an air outlet which are in sealing fit with the interior of the cabinet; the heat dissipation channel is also provided with an air inlet and an air outlet which are communicated with the external environment.
The heat exchange device is arranged right behind the cabinet, the front part of the shell is matched with the rear part of the cabinet, and the air inlet and the air outlet of the heat absorption channel are both positioned at the front part of the shell and matched with the air outlet and the air inlet at the rear part of the cabinet. The air heated by the charging module is discharged from the air outlet of the cabinet, enters the heat absorption channel for cooling through the air inlet of the heat absorption channel, and then is discharged from the air outlet of the heat absorption channel, enters the cabinet through the air inlet of the cabinet, is used by the charging module, and alternates in a reciprocating manner.
The heat exchange plate is punched and formed, five layers of turned edges and corrugated seaming are adopted at the inlet edge and the outlet edge of the heat exchange plate, the edge strength is high, the sealing performance is good, the joint is sealed by adopting sealant, the seaming and the flowing glue are processed, and the air tightness of the heat exchange core body is good.
a cooling fan is arranged at the air outlet of the heat absorption channel, the air suction port of the fan faces the interior of the heat absorption channel, and the air outlet faces the interior of the cabinet; the air inlet of the heat dissipation channel is provided with a cooling fan, the air inlet of the fan faces to the outside, and the air outlet of the fan faces to the inside of the heat dissipation channel.
specifically, the structure diagram of the charger includes, as shown in fig. 1 and fig. 2, a cabinet 1, in which a charging module 3, an electrical monitoring component, a dc output component, and the like are arranged, and a heat exchanging device, which includes a heat exchanging core 5, a heat absorbing channel fan 11, a heat dissipating channel fan 12, and an air duct isolation plate 13, is arranged at the rear of the cabinet.
The 5 cores of heat exchange core include the equidistant heat exchanger fins of several side by side range, (the heat exchanger fin is aluminum alloy or stainless steel, and the spiral ripple stamping forming who reinforces the heat transfer has been done on the surface handles, greatly increased heat transfer area, and heat transfer efficiency is high), forms heat conduction channel between two arbitrary adjacent heat exchanger fins, and heat conduction channel divide into heat absorption channel and heat dissipation channel, and two kinds of passageways set up along arranging the direction in turn of heat exchanger fin. The air channel is supported by a stamped boss, although other mechanisms, such as support posts, may be substituted in other embodiments. The high strength and the fastening of passageway are guaranteed, the bearing capacity of heat exchanger fin is improved. The heat exchange plate is punched and formed, five layers of turned edges and corrugated seaming are adopted at the inlet edge and the outlet edge of the heat exchange plate, the edge strength is high, the sealing performance is good, the joint is sealed by adopting sealant, the seaming and the flowing glue are processed, and the good air tightness of the heat exchange core body is ensured.
The heat exchange core 5 is formed by overlapping heat exchange sheets, the process is adopted, the integral casting molding or welding molding is not adopted, a mold does not need to be opened, the processing freedom degree is large, the process flow is simple, the energy consumption is low, and the cost is low.
The heat conduction cycle of the charger comprises an inner cycle and an outer cycle. Cold air generated by a heat absorption channel fan 11 in the heat exchange device enters the charging module through a heat absorption channel air outlet 8, and the cold air is changed into hot air through the charging module; the hot air enters the heat absorption channel of the heat exchanger core through the heat absorption channel air inlet 7 to form an internal circulation, and in the process, the heat exchange sheets absorb the heat in the hot air to change the heat into cold air. The heat dissipation channel fan 12 in the heat exchange device brings external cold air into the heat dissipation channel through the air inlet 9 of the heat dissipation channel of the shell, then enters the core of the heat exchanger, and finally returns to the outside through the air outlet 10 of the heat dissipation channel of the shell to form external circulation, and in the process, the heat of the heat exchange fins is released into the air and becomes hot air.
The fans in the heat exchange device comprise a heat absorption channel fan 11 and a heat dissipation channel fan 12 which are all arranged on the cold air side, so that the long-term work at high temperature is avoided, the service life of the fans is prolonged, and the reliability of the whole machine is improved.
The heat exchange device is in modular design, such as replacement of a fan, a heat exchange core and the like, the heat exchanger does not need to be integrally disassembled, only the rear cover plate needs to be opened, the heat exchange device can be flexibly replaced, and the heat exchange device is very convenient to disassemble and assemble
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Although the present invention has been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and those skilled in the art should understand that various modifications or variations that can be made by those skilled in the art without inventive work are still within the scope of the present invention.
Claims (10)
1. A heat exchange system is characterized in that: including at least one heat exchange core and cooling blower against the current, the heat exchange core includes a plurality of heat exchanger fins of arranging side by side against the current, forms the heat conduction passageway between two arbitrary adjacent heat exchanger fins, and the heat conduction passageway divide into heat absorption passageway and radiating channel, and two kinds of passageways set up along arranging the direction in turn of heat exchanger fin, heat absorption passageway air outlet and radiating channel air inlet department all set up cooling blower.
2. A heat exchange system according to claim 1, wherein: and the heat conduction channel is provided with a supporting mechanism, and the supporting mechanism is arranged between every two adjacent heat exchange fins.
3. A heat exchange system according to claim 1, wherein: the intervals between the heat exchange plates are equal.
4. A heat exchange system according to claim 1, wherein: the heat absorption channel is provided with an air inlet and an air outlet and is in sealing fit with the interior of the cabinet; the heat dissipation channel is also provided with an air inlet and an air outlet which are communicated with the external environment.
5. A heat exchange system according to claim 1, wherein: a cooling fan is arranged at the air outlet of the heat absorption channel, the air suction port of the cooling fan faces the heat absorption channel, and the air outlet faces the interior of the cabinet;
The air inlet of the heat dissipation channel is provided with a cooling fan, the air suction port of the cooling fan faces to the outside, and the air outlet of the fan faces to the inside of the heat dissipation channel.
6. A heat exchange system according to claim 1, wherein: and the cooling fans are arranged on the cold air side.
7. a heat exchange system according to claim 1, wherein: the heat exchange plate is formed through punching, and the heat exchange plate adopts multilayer turned edge and corrugated seaming at the inlet edge and the outlet edge.
8. A heat exchange system according to claim 1, wherein: and an air channel isolation plate is arranged between the countercurrent heat exchange core body and the heat absorption channel and between the heat dissipation channel and the heat absorption channel.
9. A direct current charger is characterized in that: the heat exchange system comprises a charger body, wherein a plurality of charging modules are arranged on the charger body, and the heat exchange system as claimed in any one of claims 1 to 8 is arranged in parallel at the arrangement position of the charging modules.
10. The direct current charger according to claim 9, characterized in that: the size and the setting position of the heat exchange system are matched with the charging module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821787686.3U CN209768053U (en) | 2018-10-31 | 2018-10-31 | Heat exchange system and direct current charger adopting same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821787686.3U CN209768053U (en) | 2018-10-31 | 2018-10-31 | Heat exchange system and direct current charger adopting same |
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| Publication Number | Publication Date |
|---|---|
| CN209768053U true CN209768053U (en) | 2019-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821787686.3U Active CN209768053U (en) | 2018-10-31 | 2018-10-31 | Heat exchange system and direct current charger adopting same |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113141761A (en) * | 2021-04-25 | 2021-07-20 | 先控捷联电气股份有限公司 | Novel heat pipe type heat dissipation system |
-
2018
- 2018-10-31 CN CN201821787686.3U patent/CN209768053U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113141761A (en) * | 2021-04-25 | 2021-07-20 | 先控捷联电气股份有限公司 | Novel heat pipe type heat dissipation system |
| CN113141761B (en) * | 2021-04-25 | 2022-12-02 | 先控捷联电气股份有限公司 | Novel heat pipe formula cooling system |
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Effective date of registration: 20201215 Address after: Room 902, 9 / F, block B, Yinhe building, 2008 Xinluo street, hi tech Zone, Jinan City, Shandong Province Patentee after: Shandong Luneng Software Technology Co.,Ltd. intelligent electrical branch Address before: 250101 power intelligent robot production project 101 south of Feiyue Avenue and east of No.26 Road (in ICT Industrial Park) in Suncun District of Gaoxin, Jinan City, Shandong Province Patentee before: National Network Intelligent Technology Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Room 902, 9 / F, block B, Yinhe building, 2008 Xinluo street, hi tech Zone, Jinan City, Shandong Province Patentee after: Shandong luruan Digital Technology Co.,Ltd. smart energy branch Address before: Room 902, 9 / F, block B, Yinhe building, 2008 Xinluo street, hi tech Zone, Jinan City, Shandong Province Patentee before: Shandong Luneng Software Technology Co.,Ltd. intelligent electrical branch |