CN213073448U - Switch power supply - Google Patents
Switch power supply Download PDFInfo
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- CN213073448U CN213073448U CN202022078234.1U CN202022078234U CN213073448U CN 213073448 U CN213073448 U CN 213073448U CN 202022078234 U CN202022078234 U CN 202022078234U CN 213073448 U CN213073448 U CN 213073448U
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- circuit board
- heat dissipation
- groups
- shell
- power supply
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Abstract
The utility model discloses a switching power supply, which comprises a structure main body, wherein the structure main body comprises a shell consisting of three groups of side plates and a bottom plate, a division plate is arranged in the shell, and the division plate divides the interior of the shell into a circuit board installation cavity and a wiring part installation cavity; the bottom of the circuit board mounting cavity is provided with a plurality of groups of heat dissipation fins, and the heat dissipation fins are provided with a circuit board fixedly connected with the heat dissipation fins and a temperature sensor in control connection with the circuit board; the wiring part mounting cavity is of a non-closed structure, and a wiring part is arranged in the wiring part mounting cavity and close to one side of the partition plate; through the setting of temperature sensor, when the temperature sensor sensed the temperature of heat dissipation fin or circuit board installation intracavity and was higher than the settlement temperature value, the temperature sensor can control circuit board and carry out automatic outage, avoided appearing high temperature burning, leaded to the condition of conflagration to take place.
Description
Technical Field
The utility model relates to the technical field of power, concretely relates to switching power supply.
Background
The switch power supply is a power supply which utilizes the modern power electronic technology to control the on-off time ratio of a switch tube and maintain stable output voltage. With the development and innovation of power electronic technology, the technology of the switching power supply is continuously innovated. At present, the 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 the rapid development of the electronic information industry at present. In order to meet various requirements and achieve a more optimized effect, the internal structure and the shell structure of the switching power supply are changed.
However, the conventional switching power supply often has a short circuit due to loosening of the circuit board, or has limited heat dissipation performance, which affects the service life of the power switch.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solve the above problems and to provide a switching power supply.
The utility model discloses a technical scheme realizes above-mentioned purpose, a switching power supply, including a structure main part, the structure main part includes the shell that comprises three groups of curb plates and bottom plate, be equipped with the division board in the shell, the division board separates into circuit board installation cavity and wiring portion installation cavity in the shell;
the bottom of the circuit board mounting cavity is provided with a plurality of groups of heat dissipation fins, and the heat dissipation fins are provided with a circuit board fixedly connected with the heat dissipation fins and a temperature sensor in control connection with the circuit board;
the wiring portion installation cavity is of a non-closed structure, and a wiring portion is arranged in the wiring portion installation cavity and close to one side of the partition plate.
Preferably, a plurality of groups of screws are arranged on the circuit board, and the circuit board is fixed on the heat dissipation fins through the screws.
Preferably, an upper cover fixedly and hermetically connected with the shell is arranged above the circuit board mounting cavity, and the upper cover is closely connected with the circuit board in a contact manner.
Preferably, one group of side plates of the two groups of side plates symmetrically arranged in the three groups of side plates are provided with heat dissipation grooves, and the other group of side plates of the two groups of side plates symmetrically arranged are provided with heat dissipation holes.
Preferably, the shell and the surface layer of the upper cover are provided with anti-interference coatings, the anti-interference coatings are provided with waterproof coatings, and the waterproof coatings are acrylic waterproof coatings.
The utility model has the advantages that: through the arrangement of the temperature sensor, when the temperature sensor senses that the temperature in the heat dissipation fins or the circuit board mounting cavity is higher than a set temperature value, the temperature sensor can control the circuit board to automatically power off, so that the condition of fire caused by high-temperature combustion is avoided; through the arrangement of the heat dissipation grooves and the heat dissipation holes, rapid heat dissipation is realized; through with on the circuit board passes through the fix with screw in heat dissipation fin, and upper cover and circuit board support formula zonulae occludens, avoid the circuit board to rock, guarantee electric connection stability.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of another structure of the present invention;
fig. 3 is a schematic view of the internal structure of the housing 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.
As shown in fig. 1-2, the switching power supply in this embodiment includes a structural main body, where the structural main body includes a casing 1 composed of three sets of side plates and a bottom plate, a partition plate 6 is disposed in the casing 1, and the partition plate 6 partitions the inside of the casing 1 into a circuit board mounting cavity 11 and a wiring portion mounting cavity 5; a plurality of groups of heat dissipation fins 7 are arranged at the bottom of the circuit board installation cavity 11, and a circuit board 9 fixedly connected with the heat dissipation fins 7 and a temperature sensor 8 in control connection with the circuit board are arranged on the heat dissipation fins 7; wiring portion installation cavity 5 is non-enclosed structure, be close to in the wiring portion installation cavity 5 division board 6 one side is equipped with wiring portion 4.
In this embodiment, a plurality of sets of screws 11 are disposed on the circuit board 9, and the circuit board 9 is fixed to the heat dissipation fins 7 through the screws 11; an upper cover 3 fixedly and hermetically connected with the shell 1 is arranged above the circuit board mounting cavity 11, and the upper cover 3 is closely connected with the circuit board 9 in a contact manner; one of the two symmetrically arranged side plates in the three groups of side plates is provided with a heat dissipation groove 2, and the other of the two symmetrically arranged side plates is provided with a heat dissipation hole 10; the shell 1 with the 3 top layers of upper cover are equipped with anti-interference coating, be equipped with waterproof coating on the anti-interference coating, waterproof coating is acrylic acid waterproof coating.
The utility model relates to a switching power supply, through the setting of temperature sensor, when the temperature sensor senses that the temperature in heat dissipation fin or the circuit board installation cavity is higher than the set temperature value, the temperature sensor can control the circuit board to carry out the automatic outage, avoid appearing high temperature burning, lead to the condition of conflagration; through the arrangement of the heat dissipation grooves and the heat dissipation holes, rapid heat dissipation is realized; through with on the circuit board passes through the fix with screw in heat dissipation fin, and upper cover and circuit board support formula zonulae occludens, avoid the circuit board to rock, guarantee electric connection stability.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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 description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (4)
1. A switching power supply is characterized by comprising a structure main body, wherein the structure main body comprises a shell consisting of three groups of side plates and a bottom plate, a partition plate is arranged in the shell, and the partition plate divides the interior of the shell into a circuit board installation cavity and a wiring part installation cavity;
the bottom of the circuit board mounting cavity is provided with a plurality of groups of heat dissipation fins, and the heat dissipation fins are provided with a circuit board fixedly connected with the heat dissipation fins and a temperature sensor in control connection with the circuit board;
the wiring portion installation cavity is of a non-closed structure, and a wiring portion is arranged in the wiring portion installation cavity and close to one side of the partition plate.
2. A switching power supply according to claim 1, characterized in that: and a plurality of groups of screws are arranged on the circuit board, and the circuit board is fixed on the heat dissipation fins through the screws.
3. A switching power supply according to claim 1, characterized in that: the circuit board mounting structure is characterized in that an upper cover fixedly and hermetically connected with the shell is arranged above the circuit board mounting cavity, the upper cover is closely connected with the circuit board in a contact manner, an anti-interference coating is arranged on the surface layers of the shell and the upper cover, a waterproof coating is arranged on the anti-interference coating, and the waterproof coating is acrylic waterproof paint.
4. A switching power supply according to claim 1, characterized in that: one group of side plates in the two groups of side plates symmetrically arranged in the three groups of side plates are provided with heat dissipation grooves, and the other group of side plates in the two groups of side plates symmetrically arranged are provided with heat dissipation holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022078234.1U CN213073448U (en) | 2020-09-21 | 2020-09-21 | Switch power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022078234.1U CN213073448U (en) | 2020-09-21 | 2020-09-21 | Switch power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213073448U true CN213073448U (en) | 2021-04-27 |
Family
ID=75559399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022078234.1U Active CN213073448U (en) | 2020-09-21 | 2020-09-21 | Switch power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213073448U (en) |
-
2020
- 2020-09-21 CN CN202022078234.1U patent/CN213073448U/en active Active
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