CN219269447U - Switch power supply - Google Patents
Switch power supply Download PDFInfo
- Publication number
- CN219269447U CN219269447U CN202320471971.9U CN202320471971U CN219269447U CN 219269447 U CN219269447 U CN 219269447U CN 202320471971 U CN202320471971 U CN 202320471971U CN 219269447 U CN219269447 U CN 219269447U
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- China
- Prior art keywords
- power supply
- circuit board
- switching power
- connecting piece
- supply shell
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
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- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model discloses a switching power supply, which comprises a switching power supply shell and a bottom substrate, wherein a cavity is formed between the switching power supply shell and the bottom substrate, and a circuit board is arranged in the cavity; radiating fans are arranged on two sides of the inner wall of the switch power supply shell, and circuit board mounting pieces are arranged on two ends of the inner wall of the switch power supply shell; connecting pieces are arranged at two ends of the circuit board, base plate connecting pieces are arranged at two ends of the lower surface of the circuit board, and a plurality of groups of radiating fins which are uniformly distributed are arranged between the two groups of base plate connecting pieces; the heat dissipation fans are arranged on the two sides of the inner wall of the power supply shell, and the heat dissipation grooves are formed in the top of the power supply switch, so that the heat dissipation efficiency of the power supply switch is effectively improved; the heat-conducting performance of the circuit board is further improved by arranging the heat-radiating fins at the bottom of the circuit board; through the setting of bottom plate connecting piece and mounting panel, fixed connection is realized to circuit board and bottom plate and power shell, has improved the installation stability of circuit board.
Description
Technical Field
The utility model relates to the technical field of switching power supplies, in particular to a switching power supply.
Background
The switching power supply is a power supply which uses the modern power electronic technology to control the time ratio of the on-off of a switching tube and maintain stable output voltage, and generally consists of pulse width modulation, a control IC and a MOSFET. With the development and innovation of power electronics technology, the technology of switching power supplies is also continuously innovated. At present, a switching power supply is widely applied to almost all electronic devices with the characteristics of small size, light weight and high efficiency, and is an indispensable power supply mode for rapid development of the electronic information industry at present.
The existing design of the switch power supply lacks an effective heat dissipation device, so that the switch power supply can burn out internal components and circuit boards due to insufficient heat dissipation when the switch power supply is used for a long time.
Disclosure of Invention
The present utility model aims to solve the above problems and provide a switching power supply.
The switch power supply comprises a switch power supply shell and a bottom substrate arranged at the bottom of the switch power supply shell, wherein a cavity is formed between the switch power supply shell and the bottom substrate, a circuit board is arranged in the cavity, and the circuit board is fixedly connected with the bottom substrate;
the two sides of the inner wall of the switch power supply shell are provided with symmetrically distributed heat dissipation fans, and the two ends of the inner wall of the switch power supply shell are provided with circuit board mounting pieces for fixing the circuit board;
the circuit board is characterized in that connecting pieces are arranged at two ends of the circuit board and are connected with the circuit board mounting pieces in an installation mode, bottom plate connecting pieces are arranged at two ends of the lower surface of the circuit board, and a plurality of groups of radiating fins which are uniformly distributed are arranged between the two groups of bottom plate connecting pieces.
Preferably, a heat dissipation groove is formed in the top of the switch power supply shell.
Preferably, the bottom base plate both sides are equipped with outwards parallel extension's fixed ear, be equipped with multiunit fixed orifices on the fixed ear.
Preferably, the bottom substrate is fixedly connected with the switch power supply shell through screws.
Preferably, the bottom plate connecting piece with circuit board bottom fixed connection, the bottom plate connecting piece is "L" type structure, bottom plate connecting piece bottom is equipped with the screw.
Preferably, the circuit board mounting piece is fixedly connected with the inner wall of the switch power supply shell.
Preferably, the connecting piece is fixedly connected with the circuit board vertically, the connecting piece is inserted into the circuit board mounting piece, and the connecting piece is fixedly connected with the circuit board mounting piece through a screw.
The beneficial effects of the utility model are as follows:
the heat dissipation fans are arranged on the two sides of the inner wall of the switch power supply shell, the heat dissipation grooves are formed in the top of the switch power supply shell, and the heat dissipation fans on the two sides are simultaneously started to dissipate heat in the use process of the switch power supply, so that the heat dissipation efficiency of the power supply switch is effectively improved; the heat dissipation fin is arranged at the bottom of the circuit board, so that the heat conduction performance of the circuit board is further improved, and the circuit board is prevented from heating for a long time to damage electronic elements; the circuit board is not contacted with the bottom substrate and the switch power supply shell through the combination of the bottom plate connecting piece and the connecting piece, so that the heat exchange efficiency of the circuit board is effectively improved; through the setting of bottom plate connecting piece, the circuit board passes through bottom plate connecting piece and bottom base plate realization fixed connection, through the setting of connecting piece, and the circuit board passes through connecting piece and the circuit board mounting fixed connection of switching power supply shell inner wall simultaneously, has improved the installation stability of circuit board.
Drawings
FIG. 1 is an exploded view of a switching power supply of the present utility model;
FIG. 2 is a schematic diagram of the overall structure of the switching power supply of the present utility model;
fig. 3 is a schematic diagram of a power supply housing in the switching power supply of the present utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1-3:
in this embodiment, a switching power supply includes a switching power supply housing 1 and a bottom substrate 3 disposed at the bottom of the switching power supply housing 1, where the switching power supply housing 1 is fixedly connected with the bottom substrate 3, a cavity is formed between the switching power supply housing 1 and the bottom substrate 3, a circuit board 2 is installed in the cavity, and the circuit board 2 is fixedly installed and connected with the bottom substrate 3; the heat dissipation fans 6 which are symmetrically distributed are arranged on two sides of the inner wall of the switch power supply shell 1, and the heat dissipation fans 6 are arranged on two sides of the switch power supply shell 1 at the same time, and in the working process, the heat dissipation fans 6 on two sides simultaneously start to dissipate heat, so that the heat dissipation efficiency of a power supply switch is effectively improved, the circuit board mounting pieces 10 for fixing the circuit board 2 are arranged on two ends of the inner wall of the switch power supply shell 1, and the circuit board mounting pieces 10 are used for fixing the circuit board 2, so that the structure stability of the circuit board 2 is improved; the circuit board 2 both ends be equipped with circuit board mounting 10 erection joint's connecting piece 4, circuit board 2 lower surface both ends are equipped with bottom plate connecting piece 5, two sets of be equipped with multiunit evenly distributed's fin 8 between the bottom plate connecting piece 5, through the setting of fin 8 is favorable to improving the heat conductivility of circuit board 2.
The top of the switch power supply shell 1 is provided with a heat dissipation groove 7, and the heat dissipation efficiency and the heat exchange efficiency of the switch power supply are improved through the arrangement of the heat dissipation groove 7; the two sides of the bottom substrate 3 are provided with fixing lugs 9 which extend outwards in parallel, a plurality of groups of fixing holes are formed in the fixing lugs 9, and the switching power supply is fixedly installed through the fixing lugs 9; the bottom substrate 3 is fixedly connected with the switch power supply shell 1 through screws, so that the bottom substrate 3 is fixedly connected with the switch power supply shell 1, and meanwhile, the disassembly, the assembly and the maintenance are convenient; the bottom plate connecting piece 5 is fixedly connected with the bottom of the circuit board 2, the bottom plate connecting piece 5 is of an L-shaped structure, a screw hole is formed in the bottom of the bottom plate connecting piece 5, and the circuit board 2 is fixedly arranged on the bottom substrate 3 through the bottom plate connecting piece 5; the circuit board mounting piece 10 is fixedly connected with the inner wall of the switch power supply shell 1, and the circuit board 2 is connected with the circuit board mounting piece 10 through the connecting piece 4, so that the circuit board 2 is fixedly connected with the switch power supply shell 1; the connecting piece 4 is fixedly connected with the circuit board 2 vertically, the connecting piece 4 is inserted into the circuit board mounting piece 10, and the connecting piece 4 is fixedly connected with the circuit board mounting piece 10 through screws.
Working principle:
the heat dissipation fans 6 are arranged on the two sides of the inner wall of the switch power supply shell 1, the heat dissipation grooves are formed in the top of the switch power supply shell 1, and in the use process of the switch power supply, the heat dissipation fans 6 on the two sides simultaneously start heat dissipation, so that the heat dissipation efficiency of the power supply switch is effectively improved; the heat dissipation fin is arranged at the bottom of the circuit board, so that the heat conduction performance of the circuit board is further improved, and the circuit board is prevented from heating for a long time to damage electronic elements; the circuit board is not contacted with the bottom substrate 3 and the switch power supply shell 1 through the combination arrangement of the bottom plate connecting piece 5 and the connecting piece 4, so that the heat exchange efficiency of the circuit board is effectively improved; through the setting of bottom plate connecting piece 5, the circuit board passes through bottom plate connecting piece 5 and bottom substrate 3 and realizes fixed connection, through the setting of connecting piece 4, and the circuit board passes through connecting piece 4 simultaneously and the circuit board mounting 10 fixed connection of switch power supply shell 1 inner wall, has improved the installation stability of circuit board.
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. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (7)
1. The switching power supply is characterized by comprising a structural main body, wherein the structural main body comprises a switching power supply shell (1) and a bottom substrate (3) arranged at the bottom of the switching power supply shell (1), a cavity is formed between the switching power supply shell (1) and the bottom substrate (3), a circuit board (2) is arranged in the cavity, and the circuit board (2) is fixedly connected with the bottom substrate (3);
the two sides of the inner wall of the switch power supply shell (1) are provided with symmetrically distributed heat dissipation fans (6), and two ends of the inner wall of the switch power supply shell (1) are provided with circuit board mounting pieces (10) for fixing the circuit board (2);
the circuit board is characterized in that connecting pieces (4) which are connected with the circuit board mounting pieces (10) in a mounting mode are arranged at two ends of the circuit board (2), base plate connecting pieces (5) are arranged at two ends of the lower surface of the circuit board (2), and a plurality of groups of radiating fins (8) which are evenly distributed are arranged between the base plate connecting pieces (5).
2. A switching power supply as claimed in claim 1, wherein: the top of the switch power supply shell (1) is provided with a heat dissipation groove (7).
3. A switching power supply as claimed in claim 1, wherein: the two sides of the bottom base plate (3) are provided with fixing lugs (9) which extend outwards in parallel, and a plurality of groups of fixing holes are formed in the fixing lugs (9).
4. A switching power supply as claimed in claim 1, wherein: the bottom substrate (3) is fixedly connected with the switch power supply shell (1) through screws.
5. A switching power supply as claimed in claim 1, wherein: the bottom plate connecting piece (5) with circuit board (2) bottom fixed connection, bottom plate connecting piece (5) are "L" type structure, bottom plate connecting piece (5) bottom is equipped with the screw.
6. A switching power supply as claimed in claim 1, wherein: the circuit board mounting piece (10) is fixedly connected with the inner wall of the switch power supply shell (1).
7. A switching power supply as claimed in claim 1, wherein: the connecting piece (4) is vertically and fixedly connected with the circuit board (2), the connecting piece (4) is inserted into the circuit board mounting piece (10), and the connecting piece (4) is fixedly connected with the circuit board mounting piece (10) through screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320471971.9U CN219269447U (en) | 2023-03-13 | 2023-03-13 | Switch power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320471971.9U CN219269447U (en) | 2023-03-13 | 2023-03-13 | Switch power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219269447U true CN219269447U (en) | 2023-06-27 |
Family
ID=86853245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320471971.9U Active CN219269447U (en) | 2023-03-13 | 2023-03-13 | Switch power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219269447U (en) |
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2023
- 2023-03-13 CN CN202320471971.9U patent/CN219269447U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |