CN210670985U - Drive power supply for isolated dimming - Google Patents
Drive power supply for isolated dimming Download PDFInfo
- Publication number
- CN210670985U CN210670985U CN201921376564.XU CN201921376564U CN210670985U CN 210670985 U CN210670985 U CN 210670985U CN 201921376564 U CN201921376564 U CN 201921376564U CN 210670985 U CN210670985 U CN 210670985U
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- pcb
- power supply
- cavity
- housing
- shell
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- Expired - Fee Related
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Abstract
The utility model discloses an isolation dimming driving power supply, which comprises a shell and a power supply module, wherein openings are respectively formed on two sides of the shell, a cavity is arranged in the openings, and the power supply module is arranged in the cavity; the power supply module comprises a PCB, a coil and a power supply are welded on the PCB, and wires are respectively connected to two sides of the PCB; the bottom in the cavity is provided with a sponge layer for cushioning the PCB, and the sponge layer is respectively clung to the PCB and the bottom wall of the cavity; two fixing blocks for fixing the PCB are formed on the top wall of the cavity, the fixing blocks vertically extend downwards, and the coils on the PCB are inserted between the fixing blocks and are fixed; the utility model discloses a good aluminum alloy material of heat dissipation is the casing to the shaping has the fixed block that is used for installing the PCB board in the inside cavity of casing, still is equipped with the fin in PCB board and cavity junction, has improved the practicality of this casing, and stability has increased the radiating effect, has prolonged life.
Description
Technical Field
The utility model belongs to the technical field of drive power supply and specifically relates to a keep apart drive power supply who adjusts luminance is related to.
Background
There are many products of the LED dimming family on the market today, including dimming power supplies; the power supply products are divided into two types, namely an isolated type and a non-isolated type, wherein the isolated power supply is that no direct electrical connection exists between a power supply loop and an output loop, the input and the output are in an insulated high-resistance state, and no current loop exists; the isolation power supply needs an installation shell for protection, the existing installation shell has poor heat dissipation effect on the power supply module, and the internal fixation is unstable and easy to disconnect.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an it is not enough to overcome above-mentioned condition, aims at providing the technical scheme that can solve above-mentioned problem.
An isolated dimming driving power supply comprises a shell and a power supply module, wherein openings are respectively formed in two sides of the shell, a cavity is arranged in each opening, and the power supply module is arranged in each cavity; the power module comprises a PCB, a coil and a power supply are welded on the PCB, wires are respectively connected to two sides of the PCB, and the wires respectively extend out of the side wall of the shell; the bottom in the cavity is provided with a sponge layer for cushioning the PCB, and the sponge layer is respectively clung to the PCB and the bottom wall of the cavity; the shaping of cavity roof has two fixed blocks that are used for fixed PCB board, and the vertical downwardly extending of fixed block, the coil on the PCB board inserts between the fixed block to it is fixed with PCB board coil.
As a further aspect of the present invention: the openings on the two sides of the shell are respectively provided with a blocking cover, the blocking covers block the openings, and round holes for matching screws are formed at the joint of the blocking covers and the side wall of the shell.
As a further aspect of the present invention: the shell is made of aluminum alloy, and grid-shaped radiating fins are formed on the top of the shell.
As a further aspect of the present invention: the both ends of casing bottom are stretched out respectively to the outside and are equipped with the installation piece, and the shaping has a plurality of slot hole on the installation piece.
As a further aspect of the present invention: and a silicone grease heat-conducting fin is arranged between the top wall of the cavity and the PCB and used for radiating the coil heat on the PCB to the outside of the shell.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a good aluminum alloy material of heat dissipation is the casing to the shaping has the fixed block that is used for installing the PCB board in the inside cavity of casing, still is equipped with the fin in PCB board and cavity junction, has improved the practicality of this casing, and stability has increased the radiating effect, has prolonged life.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic diagram of the internal structure of the present invention.
Fig. 3 is a schematic structural diagram of the power module of the present invention.
Fig. 4 is a side view of a power module according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be understood that the described embodiments are only some embodiments of the present invention, but 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.
Referring to fig. 1 to 4, in an embodiment of the present invention, an isolation dimming driving power supply includes a housing 1 and a power module 4, wherein openings are respectively formed at two sides of the housing 1, a cavity 2 is disposed in the openings, and the power module 4 is installed in the cavity 2; the power module 4 comprises a PCB 41, a coil 42 is welded on the PCB 41, and two sides of the PCB 41 are respectively connected with wires 43, and the wires 43 respectively extend out of the housing 1; a sponge layer 21 for cushioning the PCB 41 is arranged at the bottom in the cavity 2, and the sponge layer 21 is respectively tightly attached to the PCB 41 and the bottom wall of the cavity 2; two fixing blocks 3 for fixing the PCB 41 are formed on the top wall of the cavity 2, the fixing blocks 3 extend vertically downward, and the coil 42 on the PCB 41 is inserted between the fixing blocks 3 and fixes the coil 42 on the PCB 41.
Further: the openings on the two sides of the shell 1 are respectively provided with a blocking cover 11, the blocking covers 11 block the openings, and round holes 12 used for matching screws are formed at the joint of the blocking covers 11 and the side wall of the shell 1.
Further: the casing 1 is made of aluminum alloy, and a grid-shaped radiating fin 13 is formed on the top of the casing 1.
Further: the two ends of the bottom of the shell 1 respectively extend outwards to form mounting blocks 14, and a plurality of long holes 15 are formed in the mounting blocks 14.
Further: a silicone grease heat conducting sheet 22 is arranged between the top wall of the cavity 2 and the PCB 41, and the silicone grease heat conducting sheet 22 dissipates the heat of the coil 42 on the PCB 41 to the outside of the housing 1.
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.
Claims (5)
1. The drive power supply for isolated dimming is characterized by comprising a shell and a power supply module, wherein openings are respectively formed at two sides of the shell, a cavity is arranged in each opening, and the power supply module is arranged in each cavity; the power module comprises a PCB, a coil and a power supply are welded on the PCB, wires are respectively connected to two sides of the PCB, and the wires respectively extend out of the side wall of the shell; the bottom in the cavity is provided with a sponge layer for cushioning the PCB, and the sponge layer is respectively clung to the PCB and the bottom wall of the cavity; the shaping of cavity roof has two fixed blocks that are used for fixed PCB board, and the vertical downwardly extending of fixed block, the coil on the PCB board inserts between the fixed block to it is fixed with PCB board coil.
2. The isolated dimming driving power supply according to claim 1, wherein the openings at both sides of the housing are respectively provided with a blocking cover, the blocking cover covers the openings, and a round hole for screw fitting is formed at the joint of the blocking cover and the side wall of the housing.
3. The isolated dimming driving power supply as claimed in claim 1, wherein the housing is made of aluminum alloy, and a grid-shaped heat sink is formed on the top of the housing.
4. The isolated dimming driving power supply according to claim 1, wherein the bottom of the housing has two ends respectively extending outwards to form a mounting block, and the mounting block is formed with a plurality of slots.
5. The isolated dimming driving power supply of claim 1, wherein a silicone heat conducting sheet is disposed between the top wall of the cavity and the PCB, and the silicone heat conducting sheet dissipates heat of the coil on the PCB to the outside of the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921376564.XU CN210670985U (en) | 2019-08-23 | 2019-08-23 | Drive power supply for isolated dimming |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921376564.XU CN210670985U (en) | 2019-08-23 | 2019-08-23 | Drive power supply for isolated dimming |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210670985U true CN210670985U (en) | 2020-06-02 |
Family
ID=70821835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921376564.XU Expired - Fee Related CN210670985U (en) | 2019-08-23 | 2019-08-23 | Drive power supply for isolated dimming |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210670985U (en) |
-
2019
- 2019-08-23 CN CN201921376564.XU patent/CN210670985U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200602 Termination date: 20210823 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |