CN213585212U - Water-cooling heat dissipation structure of high-power-density vehicle-mounted charger - Google Patents
Water-cooling heat dissipation structure of high-power-density vehicle-mounted charger Download PDFInfo
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- CN213585212U CN213585212U CN202022360091.3U CN202022360091U CN213585212U CN 213585212 U CN213585212 U CN 213585212U CN 202022360091 U CN202022360091 U CN 202022360091U CN 213585212 U CN213585212 U CN 213585212U
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Abstract
The utility model discloses a high power density vehicle-mounted charger water-cooling heat dissipation structure, which is provided with a shell, the bottom of the shell is provided with a lower cover, the top of the shell is provided with an upper cover, the opposite two side surfaces of the shell are respectively provided with a cooling liquid inlet and a cooling liquid outlet, the middle part in the shell is provided with a system plate, the system plate is combined with the upper part of the shell to form an upper cavity, the system plate is combined with the lower part of the shell to form a lower cavity, the system plate is also vertically provided with an annular cooling flow passage which penetrates through the system plate, the annular cooling flow passage is respectively communicated with the cooling liquid inlet and the cooling liquid outlet, the top of the annular cooling flow passage is provided with a flow passage cover plate, a distribution box is arranged in the upper cavity, a high-voltage output filter plate is also arranged in the upper cavity, a resonant transformation circuit magnetic component plate is arranged in the lower cavity, an, has the characteristic of high heat exchange efficiency.
Description
Technical Field
The utility model relates to a vehicle-mounted machine product heat dissipation technical field that charges specifically is a high power density vehicle-mounted machine water-cooling heat radiation structure that charges.
Background
Under the trend that more and more power supply products in the automotive electronics industry are continuously improved towards high efficiency, high power density and high reliability, the heat loss generated by internal devices of the products is increased, when heat cannot be timely dissipated, the reliability and the service life of electronic components can be seriously influenced, the heat dissipation of the charger in the prior art generally adopts a wind cooling heat dissipation mode and a water cooling heat dissipation mode, fins are arranged on the shell of the charger (utility model: CN203827030U), air and the fins of the shell flow relatively through a fan, the heat convection is carried out by using air, the heat exchange efficiency is low, and the heat dissipation requirement of the vehicle-mounted charger with high power density is difficult to meet. The water-cooling heat dissipation generally adopts the structure that a cooling channel is arranged on the shell of the charging motor, and heat is convected through water flow and the inner wall of the cooling channel, so that the heat efficiency is higher. The existing water-cooling heat dissipation technology of the charger generally adopts a mode that a cooling channel is arranged on one side of a shell (utility model patent: CN207589406U) or a water-cooling plate (utility model patent: CN208047124U) is arranged between the shells. The charger with the cooling channel arranged on one side of the shell has the defects that only heating devices near one side of the cooling channel can be radiated, and devices far away from the side are difficult to radiate well; the charger with the water cooling plate arranged between the shells has the defects that the water cooling plate is generally thin, the heat dissipation area is smaller than that of the three-dimensional cooling channel, and the water cooling plate is additionally provided with parts and processes of the charger, so that the light weight of the product is not facilitated, the product cost is reduced, and the reliability of the product is improved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a make full use of machine structural space that charges, adopt water as the refrigerant medium, have high heat exchange efficiency's on-vehicle machine water-cooling heat radiation structure that charges of high power density to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a water-cooling heat dissipation structure of a high-power-density vehicle-mounted charger is provided with a shell, a lower cover is arranged at the bottom of the shell, an upper cover is arranged at the top of the shell, a cooling liquid inlet and a cooling liquid outlet are respectively arranged on two opposite side surfaces of the shell, a system board is arranged in the middle of the shell and is combined with the upper portion of the shell to form an upper cavity, a lower cavity is formed by the system board and the lower portion of the shell, an annular cooling flow channel is also vertically arranged on the system board and penetrates through the system board, the annular cooling flow channel is respectively communicated with the cooling liquid inlet and the cooling liquid outlet, a flow channel cover plate is arranged at the top of the annular cooling flow channel, a distribution box is arranged in the upper cavity and is arranged outside the annular cooling flow channel, a high-voltage output filter plate is also arranged in the upper cavity and is arranged inside the annular cooling flow, the lower cavity is internally provided with a resonant conversion circuit magnetic piece plate, the resonant conversion circuit magnetic piece plate is arranged on the inner side of the annular cooling flow channel, the lower cavity is also internally provided with an insulated metal aluminum substrate, the insulated metal aluminum substrate is positioned on the outer side of the annular cooling flow channel and is connected with the resonant conversion circuit magnetic piece plate through an inverse inserting connector, and the bottom of the annular cooling flow channel is also provided with a power panel.
Preferably, the reverse-insertion connector comprises a copper bar contact pin and a reverse-insertion power terminal, the copper bar contact pin penetrates through the reverse-insertion power terminal, the copper bar contact pin is welded on the insulated metal aluminum substrate, the reverse-insertion power terminal is welded on the resonance conversion circuit magnetic component board, the problem of vertical connection between two PCBAs is effectively solved, the reverse-insertion connector is particularly suitable for connection of high-power high-voltage/high-current circuits, the product structure layout is more compact and reasonable, and the space utilization rate is improved.
Preferably, the shell is made of an aluminum alloy material, and the heat conducting performance is good.
Preferably, heat-conducting glue is filled between the shell and the distribution box, heat-conducting glue is filled between the shell and the high-voltage output filter plate, heat-conducting glue is filled between the shell and the resonant conversion circuit magnetic piece plate, heat-conducting glue is filled between the shell and the insulated metal aluminum substrate, thermal contact resistance is reduced, heat conduction efficiency is improved, heat generated by the heat power consumption device can be rapidly transmitted to the shell, heat exchange is carried out between the shell made of aluminum alloy and cooling water flow inside the cooling flow channel, and the heat generated by the charger can be carried away from the charger by the cooling water flow, so that the heat can be efficiently dissipated and cooled for the charger.
Preferably, resonance converting circuit magnetism spare board with the power strip passes through the U-shaped row needle connector and connects, the U-shaped row needle connector includes that the U-shaped arranges needle, first row of needle socket and second row of needle socket, U-shaped row needle one end is connected first row of needle socket, the other end is connected the needle socket is arranged to the second, first row of needle socket welding is in on the power strip, second row of needle socket welding is in on the resonance converting circuit magnetism spare board, compact structure, saving space lighten weight improve product power density, be favorable to product miniaturization and lightweight.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model adopts the structure and the layout of the three-dimensional double-channel cooling flow channel, has the characteristic of high heat exchange efficiency, can solve the heat dissipation problem of the vehicle-mounted charger with high power density, the power device is reasonably arranged near the three-dimensional water cooling channel to dissipate heat in a centralized way, the heat transfer path of the power device is shortened, thereby reducing the thermal resistance and improving the heat exchange efficiency, the PCBAs are quickly connected by adopting the connector, parts and connecting wire harnesses are reduced, the space is saved, the weight is lightened, the power density of the product is improved, the miniaturization and the light weight of the product are facilitated, the heat conduction between the PCBA and the shell is reduced by filling heat conduction silicone grease, heat conduction glue and heat conduction pads, the contact thermal resistance is reduced, the heat conduction efficiency is improved, the heat generated by the heat dissipation device can be quickly transferred to the shell, the heat exchange is carried out by the cooling water flow in the, thereby effectively cooling the charger.
Drawings
FIG. 1 is an exploded view of the overall structure of the present invention;
fig. 2 is a sectional view of the housing of the present invention;
fig. 3 is a schematic structural view of a U-shaped pin header connector of the present invention;
fig. 4 is a schematic structural view of the reverse plug connector of the present invention.
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.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, "first," "second," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be further noted that, unless explicitly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, connected through an intermediate medium, or connected to the inside of two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
As shown in fig. 1: the utility model provides a high power density vehicle-mounted charger water-cooling heat radiation structure, is equipped with casing 1, casing 1 adopts aluminum alloy material to make, and thermal conductivity is good, 1 bottom of casing is equipped with lower cover 2, 1 top of casing is equipped with upper cover 3, the 1 relative both sides face of casing is equipped with coolant liquid entry 4 and coolant liquid outlet 5 respectively, the middle part is equipped with system board 6 in casing 1, as shown in fig. 2: the system board 6 and the upper part of the shell 1 are combined to form an upper cavity 7, the system board 6 and the lower part of the shell 1 are combined to form a lower cavity 8, the system board 6 is also vertically provided with an annular cooling flow channel 9, the annular cooling flow channel 9 penetrates through the system board 6, the annular cooling flow channel 9 is respectively communicated with the cooling liquid inlet 4 and the cooling liquid outlet 5, the top of the annular cooling flow channel 9 is provided with a flow channel cover plate 10, the upper cavity 7 is internally provided with a distribution box 11, the distribution box 11 is arranged at the outer side of the annular cooling flow channel 9, the upper cavity 7 is also internally provided with a high-voltage output filter plate 12, the high-voltage output filter plate 12 is arranged at the inner side of the annular cooling flow channel 9, the lower cavity 8 is internally provided with a resonant transformation circuit magnetic piece plate 13, and the resonant transformation circuit magnetic piece plate 13 is arranged at the inner side of the, the resonant conversion circuit magnetic element plate is intensively provided with magnetic elements with large heat consumption, so that the heat productivity is large. Therefore, the lower cavity is installed inside the flow channel and is located inside the dual-channel cooling annular flow channel, and the gap space is filled with the heat-conducting glue between the magnetic elements and the shell, so as to ensure effective heat dissipation of the devices on the magnetic component plate of the resonant conversion circuit, the lower cavity 8 is further provided with an insulated metal aluminum substrate 14, the insulated metal aluminum substrate 14 is located outside the annular cooling flow channel 9, and the insulated metal aluminum substrate 14 is connected with the magnetic component plate 13 of the resonant conversion circuit through a reverse-insertion connector 15, as shown in fig. 4: the reverse plug connector 15 comprises a copper bar pin 101 and a reverse plug power terminal 102, the copper bar pin 101 penetrates through the reverse plug power terminal 102, the copper bar pin 101 is welded on the insulated metal aluminum substrate 14, the reverse plug power terminal 102 is welded on the resonant conversion circuit magnetic component board 13, the problem of vertical connection between two PCBAs is effectively solved, the reverse plug connector is particularly suitable for connection of high-power high-voltage/large-current circuits, the structural layout of a product is more compact and reasonable, the space utilization rate is improved, the insulated metal aluminum substrate 14 is made of a PCB aluminum-based plate, power devices (MOS (metal oxide semiconductor) and rectifier bridge and other thermal power consumption devices) are arranged on the PCB aluminum substrate in a patch mode, the insulated metal aluminum substrate 14 is attached to a shell with a built-in cooling channel through thermal grease, a power board 16 is further arranged at the bottom of the annular cooling channel 9, and the resonant conversion circuit magnetic component board 13 is connected with the power board 16 through, as shown in fig. 3: the U-shaped pin header connector 17 comprises a U-shaped pin header 201, a first pin header socket 202 and a second pin header socket 203, one end of the U-shaped pin header 201 is connected with the first pin header socket 202, the other end of the U-shaped pin header 201 is connected with the second pin header socket 203, the first pin header socket 202 is welded on the power panel 16, a welding part of the second pin header socket 203 is welded on the resonant conversion circuit magnetic plate 13, the structure is compact, the space is saved, the weight is reduced, the product power density is improved, the miniaturization and the light weight of the product are facilitated, heat-conducting glue is filled between the shell 1 and the power distribution box 11, heat-conducting glue is filled between the shell 1 and the high-voltage output filter plate 12, heat-conducting glue is filled between the shell 1 and the resonant conversion circuit magnetic plate 13, heat-conducting glue is filled between the shell 1 and the insulated metal aluminum substrate 14, and the contact thermal resistance is, the heat conduction efficiency is improved, heat generated by the thermal power consumption device can be rapidly transmitted to the shell, and then heat exchange is carried out between the shell made of aluminum alloy and cooling water flow in the cooling flow channel, so that the heat generated by the charger can be carried away from the charger by the cooling water flow, and the charger is efficiently cooled by heat dissipation.
Claims (5)
1. The utility model provides a high power density vehicle-mounted machine water-cooling heat radiation structure that charges which characterized in that: is provided with a shell (1), the bottom of the shell (1) is provided with a lower cover (2), the top of the shell (1) is provided with an upper cover (3), two opposite side surfaces of the shell (1) are respectively provided with a cooling liquid inlet (4) and a cooling liquid outlet (5), the middle part in the shell (1) is provided with a system plate (6), the system plate (6) and the upper part of the shell (1) are combined to form an upper cavity (7), the system plate (6) and the lower part of the shell (1) are combined to form a lower cavity (8), the system plate (6) is also vertically provided with an annular cooling flow channel (9), the annular cooling flow channel (9) penetrates through the system plate (6) and is arranged, the annular cooling flow channel (9) is respectively communicated with the cooling liquid inlet (4) and the cooling liquid outlet (5), the top of the annular cooling flow channel (9) is provided with a cover plate (10), a distribution box (11) is arranged in the upper cavity (7), the distribution box (11) is arranged on the outer side of the annular cooling flow passage (9), a high-voltage output filter plate (12) is also arranged in the upper cavity (7), the high-voltage output filter plate (12) is arranged on the inner side of the annular cooling flow passage (9), a resonance conversion circuit magnetic piece plate (13) is arranged in the lower cavity (8), the resonance conversion circuit magnetic piece plate (13) is arranged on the inner side of the annular cooling flow channel (9), an insulated metal aluminum substrate (14) is also arranged in the lower cavity (8), the insulated metal aluminum substrate (14) is positioned outside the annular cooling flow channel (9), the insulated metal aluminum substrate (14) is connected with the resonant conversion circuit magnetic piece plate (13) through a reverse plug connector (15), and a power panel (16) is further arranged at the bottom of the annular cooling flow channel (9).
2. The water-cooling heat dissipation structure of the high-power-density vehicle-mounted charger according to claim 1, is characterized in that: the reverse plug connector (15) comprises a copper bar contact pin (101) and a reverse plug power terminal (102), the copper bar contact pin (101) penetrates through the reverse plug power terminal (102), the copper bar contact pin (101) is welded on the insulated metal aluminum substrate (14), and the reverse plug power terminal (102) is welded on the resonant conversion circuit magnetic piece plate (13).
3. The water-cooling heat dissipation structure of the high-power-density vehicle-mounted charger according to claim 1, is characterized in that: the shell (1) is made of an aluminum alloy material.
4. The water-cooling heat dissipation structure of the high-power-density vehicle-mounted charger according to claim 3, is characterized in that: the high-voltage output filter is characterized in that heat-conducting glue is filled between the shell (1) and the distribution box (11), heat-conducting glue is filled between the shell (1) and the high-voltage output filter plate (12), heat-conducting glue is filled between the shell (1) and the resonant conversion circuit magnetic piece plate (13), and heat-conducting glue is filled between the shell (1) and the insulated metal aluminum substrate (14).
5. The water-cooling heat dissipation structure of the high-power-density vehicle-mounted charger according to claim 1, is characterized in that: resonance converting circuit magnetism spare board (13) with power strip (16) are connected through U-shaped row needle connector (17), U-shaped row needle connector (17) are including U-shaped row needle (201), first row of needle socket (202) and second row needle socket (203), U-shaped row needle (201) one end is connected first row of needle socket (202), the other end is connected second row needle socket (203), first row of needle socket (202) welding is in on power strip (16), second row of needle socket (203) welding son is in on resonance converting circuit magnetism spare board (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022360091.3U CN213585212U (en) | 2020-10-21 | 2020-10-21 | Water-cooling heat dissipation structure of high-power-density vehicle-mounted charger |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022360091.3U CN213585212U (en) | 2020-10-21 | 2020-10-21 | Water-cooling heat dissipation structure of high-power-density vehicle-mounted charger |
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| CN213585212U true CN213585212U (en) | 2021-06-29 |
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| CN202022360091.3U Active CN213585212U (en) | 2020-10-21 | 2020-10-21 | Water-cooling heat dissipation structure of high-power-density vehicle-mounted charger |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114531012A (en) * | 2022-04-21 | 2022-05-24 | 浙江日风电气股份有限公司 | Vehicle-mounted direct current converter packaging structure |
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2020
- 2020-10-21 CN CN202022360091.3U patent/CN213585212U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114531012A (en) * | 2022-04-21 | 2022-05-24 | 浙江日风电气股份有限公司 | Vehicle-mounted direct current converter packaging structure |
| CN114531012B (en) * | 2022-04-21 | 2022-09-23 | 浙江日风电气股份有限公司 | Vehicle-mounted direct current converter packaging structure |
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