CN221728606U - Power supply box and power supply assembly - Google Patents
Power supply box and power supply assembly Download PDFInfo
- Publication number
- CN221728606U CN221728606U CN202322922943.7U CN202322922943U CN221728606U CN 221728606 U CN221728606 U CN 221728606U CN 202322922943 U CN202322922943 U CN 202322922943U CN 221728606 U CN221728606 U CN 221728606U
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- Prior art keywords
- heat dissipation
- cavity
- power supply
- box body
- end surface
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- 230000017525 heat dissipation Effects 0.000 claims abstract description 48
- 239000000758 substrate Substances 0.000 claims abstract description 8
- 238000001816 cooling Methods 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 5
- 239000000565 sealant Substances 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 206010010904 Convulsion Diseases 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000036461 convulsion Effects 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Landscapes
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
本实用新型公开了一种电源盒及电源组件，电源盒包括，盒体；盒体一体成型，整体呈凸凹设置，在盒体的上端面形成上第一凸部和第一凹部；在第一凸部的凸起处，盒体的下端面上形成第一腔体；第一凹部的内凹深度小于第一凸部的凸起高度，在下端面上，第一凹部的纵向对应处，形成第二腔体；在第一凹部的散热基板的中心处，设置有散热风道，以及围绕散热风道设置有导流翅片；以及还包括上盖板、下盖板和散热扇；散热扇位于散热风道的中心处，上盖板在第一凹部处与盒体的上端面连接，下盖板与盒体的下端面连接，将第一腔体和第二腔体密封。通过本实用新型公开的电源盒及电源组件，能够提高电源组件的使用寿命。
The utility model discloses a power supply box and a power supply assembly, the power supply box includes a box body; the box body is integrally formed, and the whole is convex and concave, and a first upper convex part and a first concave part are formed on the upper end surface of the box body; a first cavity is formed on the lower end surface of the box body at the convex part of the first convex part; the inner concave depth of the first concave part is less than the convex height of the first convex part, and a second cavity is formed on the lower end surface at the longitudinal corresponding part of the first concave part; a heat dissipation duct is arranged at the center of the heat dissipation substrate of the first concave part, and a guide fin is arranged around the heat dissipation duct; and also includes an upper cover plate, a lower cover plate and a heat dissipation fan; the heat dissipation fan is located at the center of the heat dissipation duct, the upper cover plate is connected to the upper end surface of the box body at the first concave part, and the lower cover plate is connected to the lower end surface of the box body, so as to seal the first cavity and the second cavity. Through the power supply box and the power supply assembly disclosed by the utility model, the service life of the power supply assembly can be improved.
Description
Technical Field
The utility model relates to the technical field of power supply boxes, in particular to a power supply box and a power supply assembly.
Background
In the power electronic product, because certain power consumption exists when the internal components work, the part of heat consumption needs to be conducted away through a radiator in the power cabinet. When the heat consumption reaches a certain value, a fan is required to be installed on the chassis, and the heat on the radiator can be discharged out of the chassis as soon as possible under the action of the fan, so that the normal operation of components in the power supply is ensured.
At present, the structure of high-voltage power supply box in market mainly adopts standard machine case form, places in indoor standard rack, and the machine case casing is mainly bent by the stainless steel panel beating and is formed, perhaps adopts aluminum plate concatenation form, and inside electronic components places on aluminium alloy radiator, and the front panel is opened there is the ventilation hole, and the rear panel is provided with unilateral parallel fan and adopts convulsions or bloies the form to take away the heat. The structure forms enable the board-level device arranged in the fan power supply at the rear side of the box body to be communicated and opened with the external working environment, and the board-level device is not isolated from the external environment during working. When the power supply product is in a relatively severe working environment (high temperature, high humidity, sand dust, salt fog and rain), components in the power supply are easily affected by the external environment, so that the working life of the power supply product is greatly reduced, and even the components cannot work normally. In addition, when the heat consumption of general components and parts of the high-voltage power supply is overlarge and the required heat dissipation requirement is higher, the mode of heightening the heat dissipaters or increasing the number of fans is adopted, the structural mode of arranging fans in a single-side parallel connection and vertical mode is adopted, the whole structure of a chassis is larger and heavier, and for special vehicles running in a severe environment, the design of a vehicle-mounted high-voltage power supply with small size, light structure and low noise is particularly important on the premise of meeting the power consumption.
Disclosure of utility model
The technical problems to be solved by the utility model are as follows: the problem of prior art's power supply box structure quality is heavy, the structure is big, and sealed poor effect is poor is solved.
In order to solve the technical problems, the utility model provides the following technical scheme:
A power supply box comprising a box body (100); the box body (100) is integrally formed and integrally arranged in a convex-concave mode, and a first convex part (110) and a first concave part (120) are formed on the upper end face of the box body (100); a first cavity (111) is formed on the lower end surface of the box body (100) at the bulge of the first bulge (110); the concave depth of the first concave part (120) is smaller than the convex height of the first convex part (110), and a second cavity (121) is formed at the position corresponding to the longitudinal direction of the first concave part (120) on the lower end surface; a heat dissipation air duct (123) is arranged at the center of a heat dissipation base plate (122) of the first concave part (120), and a guide fin (124) is arranged around the heat dissipation air duct (123); and further comprises an upper cover plate (210), a lower cover plate (220) and a heat radiation fan (300); the heat dissipation fan (300) is located at the center of the heat dissipation air duct (123), the upper cover plate (210) is connected with the upper end face of the box body (100) at the first concave part (120), the lower cover plate (220) is connected with the lower end face of the box body (100), and the first cavity (111) and the second cavity (121) are sealed.
In one embodiment of the utility model, the guide fins (124) comprise a first guide fin group (1241) and a second guide fin group (1242); the plurality of first guide fin groups (1241) are respectively positioned at four corners of the first concave part (120) and close to one end of the heat dissipation air duct (123), are arranged in an arc shape, and the concave direction of the arc adapts to the rotation direction of the heat dissipation fan (300) for guiding flow; the second guide fin group (1242) is positioned in two adjacent first guide fin groups (1241).
In one embodiment of the utility model, a plurality of grooves (130) are provided on the outer surface of the case (100).
In one embodiment of the utility model, the cover plate (220) and the box body (100) are assembled together by using a sealing ring and a locking screw.
In one embodiment of the utility model, an open groove (112) is formed in the side end surface of the first protruding portion (110), and a conductive rubber plate is mounted inside the open groove (112).
In an embodiment of the present utility model, a wire through hole (1221) is disposed on the heat dissipating substrate (122), the wire through hole (1221) is communicated with the second cavity (121), and after the power wire of the heat dissipating fan (300) passes through the wire through hole (1221), the power wire is located in the second cavity (121), and the sealant is filled in the wire through hole (1221).
The utility model also discloses a power supply assembly, which comprises the power supply box, an aviation plug-in switch assembly (400), an electrical element assembly (500) and a high-voltage assembly (600); the aerial plug switch assembly (400) is fixedly arranged on the side end face of the first protruding portion (110), the electric element assembly (500) is arranged in the first cavity (111), and the high-voltage assembly (600) is arranged in the second cavity (121).
In an embodiment of the utility model, the first cavity (111) and the second cavity (121) are completely isolated, and the power wires of the air plug switch assembly (400), the high voltage assembly (600) and the heat dissipation fan (300) are connected with the electric element assembly (500) through a feed-through device.
In one embodiment of the utility model, the air plug switch assembly (400) is fixedly arranged at the open slot (112) in the second cavity (121).
Compared with the prior art, the utility model has the beneficial effects that: the box body is integrally formed, so that the splicing times are reduced, the sealing performance is improved, grooves are formed in the outer surface, and the overall weight is reduced. The first cavity is completely isolated from the second cavity, the power line of the aviation plug switch assembly, the high-voltage assembly and the heat dissipation fan is connected with the electric element assembly through the feed-through device, and the conductive rubber plate is arranged in the opening groove to prevent electromagnetic interference between electric appliances, the wire passing hole is filled with sealant, the lower cover plate is matched with the box body during assembly, and the sealing ring and the locking screw are used to isolate and seal the electric appliances in the cavity from the external environment, and meanwhile, the electromagnetic compatibility of the power supply is well guaranteed. The cooling fan is horizontally arranged, so that the height of the box body is effectively reduced, the product volume is reduced, and a single cooling fan is adopted, so that the air flow disorder caused by the parallel connection of a plurality of cooling fans can be avoided, and the overall noise of the product can be effectively reduced.
Drawings
Fig. 1 is a schematic diagram of a power supply box according to an embodiment of the utility model.
Fig. 2 is a schematic view of a first cavity and a second cavity according to an embodiment of the present utility model.
Fig. 3 is a schematic view of a heat dissipation air duct and a guide fin according to an embodiment of the present utility model.
Fig. 4 is a schematic diagram of a heat dissipating fan according to an embodiment of the utility model.
Fig. 5 is a schematic top view of a first recess according to an embodiment of the present utility model.
Fig. 6 is a schematic diagram of a power module according to an embodiment of the utility model.
Detailed Description
In order to facilitate the understanding of the technical scheme of the present utility model by those skilled in the art, the technical scheme of the present utility model will be further described with reference to the accompanying drawings.
The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Example 1
Referring to fig. 1 to 3, the present utility model provides a power box, which includes a box body 100, wherein the box body 100 is integrally formed and is integrally provided with a convex-concave arrangement. An upper first convex portion 110 and a first concave portion 120 are formed on the upper end surface of the case 100, a first cavity 111 is formed on the lower end surface of the case 100 at the convex portion of the first convex portion 110, the concave depth of the first concave portion 120 is smaller than the convex height of the first convex portion 110, and a second cavity 121 is formed on the lower end surface at the longitudinally corresponding position of the first concave portion 120.
At the center of the heat dissipation substrate 122 of the first recess 120, a heat dissipation air duct 123 is provided, and a guide fin 124 is provided around the heat dissipation air duct 123. And further comprises an upper cover plate 210, a lower cover plate 220 and a heat dissipation fan 300, wherein the heat dissipation fan 300 is positioned at the center of the heat dissipation air duct 123, the upper cover plate 210 is connected with the upper end surface of the box body 100 at the first concave part 120, the lower cover plate 220 is connected with the lower end surface of the box body 100, and the first cavity 111 and the second cavity 121 are sealed. Specifically, the case 100 is integrally milled from an aluminum block.
Referring to fig. 1 to 6, in an embodiment of the utility model, the heat dissipation fan 300 is horizontally disposed and connected to the upper cover 210, so as to effectively reduce the height of the box 100 and reduce the product volume. A plurality of grooves 130 are provided on the outer surface of the case 100 to reduce the overall weight. The side end surface of the first protruding portion 110 is provided with an open groove 112, and a conductive rubber plate is mounted inside the open groove 112. The heat dissipation substrate 122 is provided with a wire through hole 1221, the wire through hole 1221 is communicated with the second cavity 121, the power wire of the heat dissipation fan 300 passes through the wire through hole 1221 and is positioned in the second cavity 121, and when the wire through hole 1221 is filled with sealant and the cover plate 220 is assembled with the box body 100, a sealing ring and a locking screw are matched for use, so that the whole interior is completely isolated from an external air duct.
The guide fins 124 include a first guide fin group 1241 and a second guide fin group 1242, where the first guide fin groups 1241 are respectively located at four corners of the first concave portion 120 and close to one end of the heat dissipation air duct 123, and are arranged in an arc shape, and the concave direction of the arc adapts to the rotation direction of the heat dissipation fan 300 to guide the air, and the second guide fin group 1242 is located in two adjacent first guide fin groups 1241. When the cooling fan 300 blows air downwards, the guide fins 124 can divide the air into a plurality of air streams along the rotation direction to guide and dissipate the heat, and the end of the guide fin 124 close to the cooling air duct 123 is arranged in a circular arc shape to adapt to the rotation direction of the cooling fan 300, so that the wind resistance can be effectively reduced, the efficiency of the cooling fan 300 can be improved, and the heat dissipation effect can be increased. Specifically, the heat dissipation air duct 123 and the guide fins 124 can be milled into different tooth spaces, tooth densities and tooth heights according to the power consumption requirement, so as to meet the customization requirement.
Example 2
Referring to fig. 1 to 6, the present utility model further provides a power module, including embodiment 1, further including an air plug switch module 400, an electrical component module 500 and a high voltage module 600; the air plug switch assembly 400 is fixedly positioned on the side end surface of the first convex part 110, the electric element assembly 500 is positioned in the first cavity 111, the high-voltage assembly 600 is positioned in the second cavity 121, and the heat of the high-voltage assembly 600 is transferred to the heat dissipation air duct 123 and the guide fins 124 through the top of the second cavity 121.
The first cavity 111 and the second cavity 121 are completely isolated, the power lines of the aviation plug switch assembly 400, the high-voltage assembly 600 and the heat dissipation fan 300 are connected with the electric element assembly 500 through feed-throughs, electromagnetic interference among electric appliances is prevented, the electric appliances in the cavities are isolated and sealed from the external environment, and meanwhile, the electromagnetic compatibility of the power supply is well guaranteed. The second cavity 121 is provided with the aviation plug switch assembly 400, which is fixedly positioned at the opening slot 112, and a space is separated in the first cavity 111 through the conductive rubber plate, the aviation plug switch assembly 400 is independently placed in the space, and is interconnected with internal electric appliances through a feed-through device, so that electromagnetic interference among the electric appliances is prevented, and a good electromagnetic compatibility effect is achieved.
Referring to fig. 1 to 6, in an embodiment of the invention, when the component works, heat of the high voltage assembly 600 is transferred to the heat dissipation air duct 123 and the guide fins 124 through the top of the second cavity 121, cold air is blown down from the air inlet of the upper cover plate 210 to the heat dissipation substrate 122 under the action of the heat dissipation fan 300, the air flows around along the heat dissipation air duct 123 on the heat dissipation substrate 122, and the air rapidly takes away the heat through the guide fins 124.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
The above-described embodiments merely represent embodiments of the utility model, the scope of the utility model is not limited to the above-described embodiments, and it is obvious to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322922943.7U CN221728606U (en) | 2023-10-27 | 2023-10-27 | Power supply box and power supply assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322922943.7U CN221728606U (en) | 2023-10-27 | 2023-10-27 | Power supply box and power supply assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221728606U true CN221728606U (en) | 2024-09-17 |
Family
ID=92682183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322922943.7U Active CN221728606U (en) | 2023-10-27 | 2023-10-27 | Power supply box and power supply assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221728606U (en) |
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2023
- 2023-10-27 CN CN202322922943.7U patent/CN221728606U/en active Active
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