CN207490738U - Power supply module and projection device - Google Patents
Power supply module and projection device Download PDFInfo
- Publication number
- CN207490738U CN207490738U CN201721125166.1U CN201721125166U CN207490738U CN 207490738 U CN207490738 U CN 207490738U CN 201721125166 U CN201721125166 U CN 201721125166U CN 207490738 U CN207490738 U CN 207490738U
- Authority
- CN
- China
- Prior art keywords
- shell
- power supply
- supply module
- isolated area
- pcb board
- Prior art date
- 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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Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Projection Apparatus (AREA)
- Casings For Electric Apparatus (AREA)
- Structure Of Printed Boards (AREA)
Abstract
The utility model provides a kind of power supply module, including bottom plate, it is fixed on the pcb board of the bottom plate, it is installed in the primary circuit electronic component of the pcb board and covers at the pcb board and be fixed on the shell of the metal material of the bottom plate, the pcb board includes the installing zone for installing the primary circuit electronic component and the isolated area extended by the periphery of the installing zone, the shell is covered on the pcb board completely, the periphery of the isolated area is abutted with the shell or the isolated area intersects along the extending direction far from the installing zone with the shell, it is not less than safe distance with the spacing of the primary circuit electronic component when isolated area makes the shell be acted on by external force.The utility model additionally provides a kind of projection device.Compared with prior art, the power supply module of the utility model and projection device security reliability are good.
Description
Technical field
The utility model belongs to power technique fields, and in particular to a kind of power supply module for applying to optical projection product and
Projection device.
Background technology
With the development of modernized society, electronic product is into an indispensable part in for people's lives, for example projects
Equipment, and power supply module is then to protect one of important component often to work under electronic product.
The power supply module of the relevant technologies includes bottom plate, the pcb board for being fixed on bottom plate, the primary electricity for being installed in the pcb board
It road electronic component and is provide with the pcb board and is fixed on the metallic shell of the bottom plate.
Normally, in order to ensure insulation safety performance, can distance be set between primary circuit and metal shell.It is but right
In the case that the mechanical strength of metal shell is small, when metal shell is acted on by external force, deformation even displacement is also easy to produce, it will
The safe distance of metal shell and primary circuit is caused to reduce or even primary circuit electronic component is made to connect with metal shell
It touches.The situation has greatly threatened Electrical Safety, and then causes with electronic products such as the projection devices of the power supply module
It can therefore can not work normally.
Therefore, it is necessary to provide a kind of new power supply module and optical projection system solves the above problems.
Utility model content
For more than the deficiencies in the prior art, the utility model proposes a kind of power supply modules of good reliability and projection to set
It is standby.
The utility model provides a kind of power supply module, including bottom plate, the pcb board that is fixed on the bottom plate, is installed in institute
The primary circuit electronic component of stating pcb board and the metal material for covering at the PCB plates and being fixed on the bottom plate it is outer
Shell, the pcb board include installing the installing zone of the primary circuit electronic component and by the periphery of the installing zone being prolonged
The isolated area stretched, the periphery of the isolated area is abutted with the shell or extension of the isolated area edge far from the installing zone
Intersect with the shell in direction.
Preferably, if the shell is by the maximum along the external force direction during external force perpendicular to the predefined size on its surface
Displacement is largest deformation displacement, and the width of the isolated area and the difference of the largest deformation displacement are more than or equal to the primary circuit
The insulating safety distances of electronic component and the shell.
Preferably, when the shell is by the external force effect of 10N and during deformation, the shell and primary circuit electronics member
The spacing of device is more than or equal to 7.0mm.
Preferably, the power supply module further includes the fixed part extended to form by the shell, and the shell passes through described
Fixed part is fixed on the bottom plate.
Preferably, the fixed part includes four and divides equally in the opposite sides of the shell.
Preferably, the fixed part include extended by the shell ontology, be opened in the ontology mounting hole and with
The screw of the mounting hole cooperation, the screw are arranged in the mounting hole and the ontology are fixed on the bottom plate.
Preferably, the isolated area is located at the opposite sides of the installing zone.
Preferably, the shell is made of SECC electrolytic zinc-coated steel sheets.
Preferably, the thickness of the shell is 0.6mm.
The utility model also provides a kind of projection device, including above-mentioned power supply module provided by the utility model.
Compared with prior art, pcb board is set as installing primary circuit electronics member device by the power supply module of the utility model
The installing zone of part and the isolated area extended by the periphery of installing zone, shell is covered on pcb board completely, when shell is acted on by external force
Even if deformation is generated in the case of, since plane where PCB plates intersects with shell at least part so that the shell of deformation
The isolated area of pcb board is first touched before primary circuit electronic component is close to, which blocks shell, externally
Shell is applied with the reaction force opposite with external force direction, slows down and finally prevents shell to primary circuit electronic component direction
Deformation so that spacing between shell and the primary circuit electronic component is kept not less than safe distance, so as to
Improve the unfailing performance of the power supply module, further increase with the power supply module projection device it is safe and reliable
Performance.
Description of the drawings
The utility model is described in detail below in conjunction with the accompanying drawings.Pass through the detailed description made in conjunction with the following drawings, this practicality
Novel above-mentioned or otherwise content will be apparent and be easier to understand.In attached drawing：
Fig. 1 is the overlooking the structure diagram of the utility model power supply module；
Fig. 2 is the side structure schematic view of the utility model power supply module.
Specific embodiment
Specific embodiment of the present utility model is described in detail below in conjunction with the accompanying drawings.
Specific embodiment/the embodiment recorded herein is the specific specific embodiment of the utility model, for saying
The design of bright the utility model is explanatory and illustrative, be should not be construed as to the utility model embodiment and this reality
With the limitation of novel range.In addition to the embodiment recorded herein, those skilled in the art also are able to based on the application claim
Using obvious other technical solutions, these technical solutions are included using to remembering herein for book and specification disclosure of that
The embodiment of load makes the technical solution of any obvious substitutions and modifications, all the scope of protection of the utility model it
It is interior.
It please refers to Fig.1 and Fig. 2, the utility model provides a kind of power supply module 100, including bottom plate 1, be fixed on bottom plate 1
Pcb board 2, the primary circuit electronic component 3 for being installed in pcb board 2,4 and of the shell for covering at pcb board 2 and being fixed on bottom plate 1
Extended by shell 4 and be fixed on shell 4 fixed part 5 of bottom plate 1.
Bottom plate 1 is used to pacify power supply module 100 for carrying pcb board 2, primary circuit electronic component 3 and shell 4
Dress is fixed on external component.Wherein primary circuit electronic component 3 includes the device such as fuse, capacitance, rectifier bridge.
In present embodiment, pcb board 2 includes installing zone 21 and isolated area 22.
Installing zone 21 is for installing primary circuit electronic component 3, so as to form the primary side of Power supply belt dangerous voltage.
Isolated area 22 is extended to form by the periphery of installing zone 21, as the clear area of pcb board 22, is equivalent to insulating separator
Part.In present embodiment, isolated area 22 is located at the opposite sides setting of primary circuit electronic component 3.Certainly, also can be in surround
Primary circuit electronic component 3 is set.
Shell 4 is covered on pcb board 2 completely, and the inside of shell 4 can be connected to the periphery of the isolated area 22 of pcb board 2.Certainly,
In the other embodiment of the utility model, isolated area can not also directly abut shell, but certain with having on the inside of shell
Distance, but be still to ensure that isolated area intersects along far from the extending direction of installing zone with shell, so that shell shape under external force
Area's blocking can be isolated during change.
Specifically, shell 4 is made of metal material.For example, shell 4 is made of SECC electrolytic zinc-coated steel sheets.In present embodiment, outside
The thickness of shell 4 is 0.6mm.Certainly, the material of shell 4 and thickness are not limited to this.
Isolated area 22 has been physically segregated shell 4 and primary circuit electronic component 3, and shell 4 is made to be acted on i.e. by external force
It is not less than insulating safety distances with the spacing of primary circuit electronic component 3 when generating deformation.If shell 4 is by perpendicular to its table
Along the maximum displacement of the external force direction be largest deformation displacement during the external force of the predefined size in face, the width of isolated area 22 with it is maximum
The difference of deformational displacement is more than or equal to the insulating safety distances of primary circuit electronic component and the shell.Wherein isolated area 22
Width is along 2 place plane of pcb board, from installing zone 21 to the distance at the edge of pcb board 2.
It should be noted that so-called safe distance is the rule of national standard GB4943.1 and foreign standard IEC/EN60950-1
Provisioning request, i.e. safe distance include electric clearance and creepage distance.Primary circuit electronic component 3 is to the peak-peak work of the earth
Make voltage 640V, virtual value operating voltage 350V；Height above sea level 5000m, electric clearance required value 6.9mm, creepage distance required value
7.0mm.Therefore, insulating safety distances are the spacing more than or equal to 7.0mm.
In present embodiment, specifically, when isolated area 22 makes shell 4 be acted on by the external force of 10N and generates deformation with it is primary
The spacing of electric circuit electronics technical component 3 is not less than 7.0mm.
For example, shell 4 by thrust from the primary side to Power supply belt dangerous voltage be 10N when, shell 4 generate deformation after with
The spacing of primary circuit electronic component 3 is equal to 7.0mm.
The setting high degree of isolated area 22 ensure that the safety and reliability of power supply module 100.When shell 4 is by external force
Even if generating deformation in the case of effect, since 2 place plane of pcb board at least partly intersects with shell 4 so that the shell of deformation
4 have first touched the isolated area 22 of pcb board 2 before primary circuit electronic component is close to, which blocks outer
Shell 4 is applied with shell 4 reaction force opposite with external force direction, slows down and finally prevents shell 4 to primary circuit electricity
The deformation in sub- component direction, so that the spacing holding between shell 4 and the primary circuit electronic component is not less than
Safe distance.Herein, when external force is perpendicular to case surface, the deformation that shell generates is maximum, and the utility model is considering to be isolated
It is designed during 22 width of area with reference to the issuable largest deformation of shell.
Fixed part 5 is extended to form by shell 4.Shell 4 is fixed on bottom plate by fixed part 5.The structure setting causes shell 4
When being acted on by external force, it can prevent it from generating additional displacement and being smaller than safety between primary circuit electronic component 3
Distance further improves the security reliability of power supply module 100.
Specifically, fixed part 5 includes four and divides equally in the opposite sides of shell 4.Each fixed part 5 is included by shell 4
The ontology 51 of extension, the mounting hole 52 for being opened in ontology 51 and the screw (not shown) coordinated with mounting hole 52.Screw is arranged in
Ontology 51 is simultaneously fixed on bottom plate 1 by mounting hole 52.It should be noted that the structure of fixed part 5 is not limited to this, as long as can be real
Shell 4 now is fixed on bottom plate 1 prevents it from generating displacement.
The utility model also provides a kind of projection device (not shown), including above-mentioned power supply module 100.
Compared with prior art, pcb board is set as installing primary circuit electronics member device by the power supply module of the utility model
The installing zone of part and the isolated area extended by the periphery of installing zone, after casing cover is set on pcb board, isolated area causes shell by outer
The spacing that power is remained in the case of acting between primary circuit electronic component is kept not less than safe distance, so as to improve
The unfailing performance of power supply module further increases the safety and reliability of the projection device with power supply module.
Compared with prior art, pcb board is set as installing primary circuit electronics member device by the power supply module of the utility model
The installing zone of part and the isolated area extended by the periphery of installing zone, shell is covered on pcb board completely, when shell is acted on by external force
Even if deformation is generated in the case of, since the setting of isolated area increases the isolation spacing of the two so that the shell after deformation is still
Spacing that can be between primary circuit electronic component is kept not less than safe distance, so as to improve the reliability of power supply module
Energy further increases the safety and reliability of the projection device with power supply module.
It should be noted that it is only to illustrate the utility model rather than limit above by reference to the described each embodiment of attached drawing
The scope of the utility model processed, it will be understood by those of ordinary skill in the art that, in the spirit and model for not departing from the utility model
The modification to the utility model progress or equivalent replacement, should all cover within the scope of the utility model under the premise of enclosing.
In addition, signified outer unless the context, the word occurred in the singular includes plural form, and vice versa.In addition, except non-specifically
Explanation, then all or part of of any embodiment can be used with reference to all or part of of any other embodiment.
Claims (10)
1. a kind of power supply module, including bottom plate, the pcb board that is fixed on the bottom plate, the primary circuit electricity for being installed in the pcb board
It sub- component and covers at the pcb board and is fixed on the shell of the metal material of the bottom plate, which is characterized in that the PCB
Plate includes the installing zone for installing the primary circuit electronic component and the isolated area extended by the periphery of the installing zone,
The periphery of the isolated area abutted with the shell or the isolated area along far from the installing zone extending direction with it is described
Shell intersects.
2. power supply module according to claim 1, which is characterized in that set the shell and made a reservation for by perpendicular to its surface
Along the maximum displacement of the external force direction it is largest deformation displacement, the width of the isolated area and the maximum shape during external force of size
The difference of variable displacement is more than or equal to the insulating safety distances of the primary circuit electronic component and the shell.
3. power supply module according to claim 1, which is characterized in that when the shell is acted on and deformation by the external force of 10N
When, the spacing of the shell and the primary circuit electronic component is more than or equal to 7.0mm.
4. power supply module according to claim 1, which is characterized in that the power supply module is further included to be extended by the shell
The fixed part of formation, the shell are fixed on the bottom plate by the fixed part.
5. power supply module according to claim 4, which is characterized in that the fixed part includes four and divides equally in described outer
The opposite sides of shell.
6. power supply module according to claim 4, which is characterized in that the fixed part includes the sheet extended by the shell
Body, the mounting hole for being opened in the ontology and the screw with mounting hole cooperation, the screw are arranged in the mounting hole simultaneously
The ontology is fixed on the bottom plate.
7. power supply module according to claim 1, which is characterized in that the isolated area is located at opposite the two of the installing zone
Side.
8. power supply module according to claim 1, which is characterized in that the shell is made of SECC electrolytic zinc-coated steel sheets.
9. power supply module according to claim 1, which is characterized in that the thickness of the shell is 0.6mm.
10. a kind of projection device, which is characterized in that including the power supply module as described in claim 1 to 8 any one.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721125166.1U CN207490738U (en) | 2017-09-04 | 2017-09-04 | Power supply module and projection device |
| PCT/CN2018/077771 WO2019041777A1 (en) | 2017-09-04 | 2018-03-01 | Power supply assembly and projection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721125166.1U CN207490738U (en) | 2017-09-04 | 2017-09-04 | Power supply module and projection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207490738U true CN207490738U (en) | 2018-06-12 |
Family
ID=62481282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721125166.1U Active CN207490738U (en) | 2017-09-04 | 2017-09-04 | Power supply module and projection device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN207490738U (en) |
| WO (1) | WO2019041777A1 (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2414587Y (en) * | 2000-01-07 | 2001-01-10 | 神达电脑股份有限公司 | Electromagnetic interference shielding apparatus |
| CN2824507Y (en) * | 2005-08-22 | 2006-10-04 | 李世雄 | Central controlling box for automobile electrical appliance |
| CN101360390B (en) * | 2007-08-03 | 2011-05-04 | 深圳富泰宏精密工业有限公司 | Stacking construction of printed circuit board |
| DE102010026954B4 (en) * | 2010-07-12 | 2013-04-11 | Continental Automotive Gmbh | Housing of an electronic circuit for a fuel pump |
| US20140071642A1 (en) * | 2012-09-11 | 2014-03-13 | Horst Theuss | Low stress component package |
-
2017
- 2017-09-04 CN CN201721125166.1U patent/CN207490738U/en active Active
-
2018
- 2018-03-01 WO PCT/CN2018/077771 patent/WO2019041777A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019041777A1 (en) | 2019-03-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 518000 20-22, 20-22 headquarters building, 63 high tech Zone, Xuefu Road, Nanshan District, Guangdong Province, Guangdong. Patentee after: APPOTRONICS Corp.,Ltd. Address before: 518000 Nanshan District, Shenzhen, Guangdong, Guangdong Province, Guangdong Road, 63 Xuefu Road, high-tech zone, 21 headquarters building, 22 floor. Patentee before: SHENZHEN GUANGFENG TECHNOLOGY Co.,Ltd. Address after: 518000 Nanshan District, Shenzhen, Guangdong, Guangdong Province, Guangdong Road, 63 Xuefu Road, high-tech zone, 21 headquarters building, 22 floor. Patentee after: SHENZHEN GUANGFENG TECHNOLOGY Co.,Ltd. Address before: 518000 Guangdong province Shenzhen Nanshan District Xili town Cha Guang road Shenzhen integrated circuit design application Industrial Park 401 Patentee before: APPOTRONICS Corp.,Ltd. |