CN206807277U - A kind of ultra-thin switch power supply - Google Patents
A kind of ultra-thin switch power supply Download PDFInfo
- Publication number
- CN206807277U CN206807277U CN201720716411.XU CN201720716411U CN206807277U CN 206807277 U CN206807277 U CN 206807277U CN 201720716411 U CN201720716411 U CN 201720716411U CN 206807277 U CN206807277 U CN 206807277U
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- China
- Prior art keywords
- circuit board
- oxide
- semiconductor
- mounting hole
- metal
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model provides a kind of ultra-thin switch power supply, including shell and the circuit board that is arranged in shell；Shell includes base and upper lid；Circuit board is provided with the circuit for including metal-oxide-semiconductor, 2 output rectifying tubes and high frequency transformer；It is structurally characterized in that：Circuit board is provided with metal-oxide-semiconductor mounting hole, output rectifying tube mounting hole and transformer device mounting hole；Metal-oxide-semiconductor, 2 output rectifying tubes and high frequency transformer are by circuit board on the upper surface for the bottom plate that corresponding mounting hole is fixedly mounted on base.The utility model is by improving the set-up mode of high frequency transformer, metal-oxide-semiconductor and output rectifying tube on shell interior circuit board, and heat dispersion is good when can effectively reduce Switching Power Supply whole height and use.
Description
Technical field
It the utility model is related to field of switch power, and in particular to a kind of ultra-thin switch power supply.
Background technology
Switching Power Supply the industry such as indicates in Industry Control, LED brightening and is used widely, at present, due to industrial equipment and
LED brightening sign product increasingly develops to miniaturization, ultrathin direction, thus correspondingly requires that Switching Power Supply external dimensions is use up
May smaller more Bao Yuehao.However, Switching Power Supply is generally made up of shell and the circuit board in shell and related device,
It is provided with interlock circuit on circuit board, high frequency transformer, metal-oxide-semiconductor and output rectification is typically provided with the circuit on circuit board
Pipe, Switching Power Supply common at present, its high frequency transformer, metal-oxide-semiconductor and output rectifying tube are generally arranged at the circuit board in shell
Upper surface more than, and circuit board is typically both needed to aerial setting in shell, and high frequency transformer, metal-oxide-semiconductor and output rectifying tube
It is the device with certain volume, feature is that its volume can not possibly be without limiting under corresponding technical requirements for high frequency transformer
It is small, high frequency transformer, metal-oxide-semiconductor and the output rectifying tube set-up mode on end face on circuit boards, limit outside Switching Power Supply
The further reduction of dimensional height, namely limit development of the Switching Power Supply further to ultrathin direction.
In addition, Switching Power Supply effectively radiate at work it is particularly significant, Switching Power Supply work when can not such as accomplish effectively dissipate
Heat, gently then influences the service life of Switching Power Supply, heavy then may cause the damage of Switching Power Supply internal circuit, and high frequency due to overheat
Transformer, metal-oxide-semiconductor and output rectifying tube are exactly then the main heater members of Switching Power Supply, with the reduction of Switching Power Supply volume,
How to ensure that more efficiently radiating for its inner heat power device also turns into the important technological problems that must be solved.Often at present
The heating power device such as the Switching Power Supply seen, its high frequency transformer, metal-oxide-semiconductor and output rectifying tube typically fixes peace using fin
Radiated on shell side, when Switching Power Supply develops to ultra-thin direction, because shell side is very narrow, limit radiating
Effect.
Utility model content
The purpose of this utility model is：For the problems of the prior art, there is provided it is a kind of by improve high frequency transformer,
Metal-oxide-semiconductor and the set-up mode for exporting rectifying tube, so that heat dispersion is good when effectively reducing Switching Power Supply whole height and using
Ultra-thin switch power supply.
The technical solution of the utility model is：Ultra-thin switch power supply of the present utility model, including shell and it is arranged on shell
Interior circuit board；Above-mentioned shell includes base and upper lid；Above-mentioned base includes bottom plate and two blocks of side plates；Above-mentioned circuit board
Being provided with includes the circuit of metal-oxide-semiconductor, 2 output rectifying tubes and high frequency transformer；It is structurally characterized in that：
Above-mentioned circuit board is provided with metal-oxide-semiconductor mounting hole, output rectifying tube mounting hole and transformer device mounting hole；Above-mentioned
On the upper surface for the bottom plate that metal-oxide-semiconductor is fixedly mounted on base by the metal-oxide-semiconductor mounting hole of circuit board；2 above-mentioned output rectifications
On the upper surface for managing the bottom plate for being fixedly mounted on base by the output rectifying tube mounting hole of circuit board；Above-mentioned high frequency transformer
It is fixedly mounted on by the transformer device mounting hole of circuit board on the upper surface of the bottom plate of base.
Further scheme is：The upper lid of above-mentioned shell is provided with heat emission hole.
Further scheme is：The material of above-mentioned shell is aluminium.
The utility model has positive effect：（1）Ultra-thin switch power supply of the present utility model, it passes through on circuit boards
Metal-oxide-semiconductor mounting hole, output rectifying tube mounting hole and transformer device mounting hole are opened up, by the metal-oxide-semiconductor in circuit, 2 output rectifying tubes
And high frequency transformer is fixedly mounted on the bottom plate of outer casing base by corresponding mounting hole on circuit board, compared to existing skill
The mode being arranged on metal-oxide-semiconductor, 2 output rectifying tubes and high frequency transformer in art on the upper surface of circuit board, can effectively drop
Low metal-oxide-semiconductor, 2 output rectifying tubes particularly setting height(from bottom) of the high frequency transformer in shell are new so as to effectively reduce this practicality
The whole height of type Switching Power Supply, make it more ultra-thin, effectively improve its applicability.（2）Ultra-thin switch electricity of the present utility model
Source, it is by the way that metal-oxide-semiconductor, 2 output rectifying tubes and high frequency transformer are fixedly mounted using corresponding mounting hole on circuit board
Directly radiated using bottom plate on the bottom plate of outer casing base, during work, compared to being added in the prior art using base side plate
Radiate sheet mode, because the base areas of base be much larger than side plate, so that foregoing more ultra-thin while, can preferably solve
Heat dissipation problem when certainly Switching Power Supply works, greatly improves radiating effect.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is to remove the structural representation after upper lid in Fig. 1；
Fig. 3 is the schematic cross sectional view at the A-A in Fig. 2；
Fig. 4 is the schematic cross sectional view at the B-B in Fig. 2；
Fig. 5 is the schematic cross sectional view at the C-C in Fig. 2.
Reference in above-mentioned accompanying drawing is as follows：
Shell 1, base 11, bottom plate 11-1, upper lid 12, heat emission hole 12-1；
Circuit board 2, metal-oxide-semiconductor mounting hole 21, output rectifying tube mounting hole 22, transformer device mounting hole 23；
Metal-oxide-semiconductor 3；Export rectifying tube 4；High frequency transformer 5.
Embodiment
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
（Embodiment 1）
See Fig. 1 to Fig. 5, the ultra-thin switch power supply of the present embodiment, it is mainly made up of shell 1 and circuit arrangement.
Shell 1 is mainly made up of base 11 and upper lid 12.When installing, upper lid 12 is fastened on base 11 by neck
Upper end is simultaneously fixedly connected with base.The aluminium of easy heat radiation is preferably used in material the present embodiment of shell 1.Base 11 is by bottom plate 11-1
Integrally formed with two blocks of side plates；Upper lid 12 is provided with some heat emission hole 12-1.
Circuit arrangement includes circuit board 2, and circuit board 2 is arranged in shell 1, and circuit board 2 is arranged on by the way that screw pole is aerial
On the bottom plate 11-1 of base 11 upper surface；Circuit board 2 is provided with circuit, and being provided with circuit includes 3,2 output rectifications of metal-oxide-semiconductor
Component including pipe 4 and high frequency transformer 5.The circuit arrangement of Switching Power Supply is existing mature technology, is not detailed.Metal-oxide-semiconductor
3rd, the main heater members of rectifying tube 4 and high frequency transformer 5 for Switching Power Supply are exported.
Circuit board 2 is provided with metal-oxide-semiconductor mounting hole 21, output rectifying tube mounting hole 22 and transformer device mounting hole 23.
Foregoing metal-oxide-semiconductor 3 is arranged in the metal-oxide-semiconductor mounting hole 21 of circuit board 2, and is fixedly mounted on the bottom plate of base 11
On 11-1 upper surface.On the one hand, because metal-oxide-semiconductor 3 by the metal-oxide-semiconductor mounting hole 21 of circuit board 2 is fixedly mounted on base 11
On bottom plate 11-1 upper surface, compared to the mode being in the prior art arranged on metal-oxide-semiconductor on the upper surface of circuit board 2, can have
Effect reduces setting height(from bottom) of the metal-oxide-semiconductor in shell 1；On the other hand, because the bottom plate 11-1 of base 11 area is much larger than base
11 side plate area, thus, metal-oxide-semiconductor 3 is directly radiated using the bottom plate 11-1 of base 11, compared to being arranged on bottom in the prior art
Area can be significantly increased in fin on the side plate of seat 11, so as to greatly improve the radiating effect of metal-oxide-semiconductor.
2 foregoing output rectifying tubes 4 are arranged in the output rectifying tube mounting hole 22 of circuit board 2, and are fixedly mounted on
On the bottom plate 11-1 of base 11 upper surface.Similarly, because 2 output rectifying tubes 4 are installed by the output rectifying tube of circuit board 2
Hole 22 is fixedly mounted on the bottom plate 11-1 upper surface of base 11, compared in the prior art setting 2 output rectifying tubes 4
Mode on the upper surface of circuit board 2, it can effectively reduce setting height(from bottom) of 2 output rectifying tubes 4 in shell 1；The opposing party
Face, 2 output rectifying tubes 4 are directly radiated by the bottom plate 11-1 of base 11, compared to being arranged on base 11 in the prior art
Area can be significantly increased in fin on side plate, so as to greatly improve the radiating effect of 2 output rectifying tubes 4.
Foregoing high frequency transformer 5 is arranged in the transformer device mounting hole 23 of circuit board 2, and is fixed on the bottom plate of base 11
On 11-1 upper surface.Similarly, because high frequency transformer 5 by the transformer device mounting hole 23 of circuit board 2 is directly installed on base
, can compared to the mode being in the prior art arranged on high frequency transformer 5 on the upper surface of circuit board 2 on 11 bottom plate 11-1
Effectively reduce setting height(from bottom) of the high frequency transformer 5 in shell 1；On the other hand, high frequency transformer 5 can pass through the bottom plate of base 11
11-1 directly radiates, compared to by the side plate radiating mode of fin connect base 11, can greatly improving height in the prior art
The radiating effect of frequency power transformer 5.
Above example is the explanation to specific embodiment of the present utility model, rather than to limitation of the present utility model,
Person skilled in the relevant technique can also make various changes in the case where not departing from spirit and scope of the present utility model
Change and change and obtain corresponding equivalent technical scheme, therefore all equivalent technical schemes should be included into this practicality newly
The scope of patent protection of type.
Claims (3)
1. a kind of ultra-thin switch power supply, including shell（1）Be arranged on shell（1）Interior circuit board（2）；Described shell（1）
Including base（11）With upper lid（12）；Described base（11）Including bottom plate（11-1）With two blocks of side plates；Described circuit board（2）
Being provided with includes metal-oxide-semiconductor（3）, 2 output rectifying tubes（4）And high frequency transformer（5）Circuit；It is characterized in that：
Described circuit board（2）It is provided with metal-oxide-semiconductor mounting hole（21）, output rectifying tube mounting hole（22）And transformer device mounting hole
（23）；Described metal-oxide-semiconductor（3）Pass through circuit board（2）Metal-oxide-semiconductor mounting hole（21）It is fixedly mounted on base（11）Bottom plate（11-
1）Upper surface on；2 described output rectifying tubes（4）Pass through circuit board（2）Output rectifying tube mounting hole（22）Fixed peace
Mounted in base（11）Bottom plate（11-1）Upper surface on；Described high frequency transformer（5）Pass through circuit board（2）Transformer peace
Fill hole（23）It is fixedly mounted on base（11）Bottom plate（11-1）Upper surface on.
2. ultra-thin switch power supply according to claim 1, it is characterised in that：Described shell（1）Upper lid（12）On set
There is heat emission hole（12-1）.
3. ultra-thin switch power supply according to claim 1 or 2, it is characterised in that：Described shell（1）Material be aluminium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720716411.XU CN206807277U (en) | 2017-06-19 | 2017-06-19 | A kind of ultra-thin switch power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720716411.XU CN206807277U (en) | 2017-06-19 | 2017-06-19 | A kind of ultra-thin switch power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206807277U true CN206807277U (en) | 2017-12-26 |
Family
ID=60747651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720716411.XU Expired - Fee Related CN206807277U (en) | 2017-06-19 | 2017-06-19 | A kind of ultra-thin switch power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206807277U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113345673A (en) * | 2021-04-28 | 2021-09-03 | 北京计算科学研究中心 | High-frequency ultra-thin type switching power supply |
-
2017
- 2017-06-19 CN CN201720716411.XU patent/CN206807277U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113345673A (en) * | 2021-04-28 | 2021-09-03 | 北京计算科学研究中心 | High-frequency ultra-thin type switching power supply |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171226 Termination date: 20200619 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |