CN207489383U - A kind of display screen structure with dual power supply - Google Patents
A kind of display screen structure with dual power supply Download PDFInfo
- Publication number
- CN207489383U CN207489383U CN201721538201.2U CN201721538201U CN207489383U CN 207489383 U CN207489383 U CN 207489383U CN 201721538201 U CN201721538201 U CN 201721538201U CN 207489383 U CN207489383 U CN 207489383U
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- Prior art keywords
- housing
- display screen
- power supply
- module
- dual
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- Expired - Fee Related
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- 230000009977 dual effect Effects 0.000 title claims abstract description 17
- 238000005192 partition Methods 0.000 claims abstract description 10
- 238000001514 detection method Methods 0.000 claims description 22
- 239000003381 stabilizer Substances 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 4
- 241000209140 Triticum Species 0.000 claims 1
- 235000021307 Triticum Nutrition 0.000 claims 1
- 229920002799 BoPET Polymers 0.000 abstract description 4
- 239000005041 Mylar™ Substances 0.000 abstract description 4
- 238000009413 insulation Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 230000006837 decompression Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
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Abstract
The utility model discloses a kind of display screen structures with dual power supply；Including display board, housing, pinboard, the back shroud set gradually from front to back, dual-power module is provided on pinboard, housing center is provided with grid, and grid is provided with the support column of multiple fixed transfer plates, a partition board is provided between grid and pinboard；Four angles of housing are each provided with a supporting block, and back shroud is connected between four supporting blocks；The location structure and bridging arrangement being connect with adjacent housings are provided on housing.The utility model is rational in infrastructure, and the double copies of power supply are realized by dual-power module, ensures the normal work of display screen, service life when improving the use of display screen；Back shroud is clamped by four supporting blocks and fixed column, strengthens the structure of display screen, while reduces the thickness of display screen；Partition board between pinboard and display board is done by mylar film, improves the insulation performance inside display screen.
Description
Technical field
The utility model is related to field of LED display, more particularly to a kind of display screen structure with dual power supply.
Background technology
Recently as the progress of small spacing technology, indoor LED high-definition display screens, be widely used in Dispatch and Command Center,
Control command centre, monitoring security protection center, TV news center, information centre, the demonstration fields such as center and studio centre.With
LED display production technology is increasingly mature, and application is also more and more extensive, indoors display field, and small spacing high definition LED is shown
Screen is increasingly mature, and the small spacing display modules of current interior 400*300LED work as single supply using single supply, no backup battery
When damage can not work, display screen loses electric power support, and display screen can not work.And it is fixed in cabinet space,
Inner space 376mmx201mm of small clearance display screen or so will realize power supply double copies function, though it is general it is common very
The size of small AC-DC Switching Power Supplies, all in 170mmx60mm or so, it is difficult to be put into the power supply of two routines, even if being put into
So that entire babinet is crowded so that babinet is difficult heat dissipation, and is become dangerous.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art to provide a kind of display screen structure with dual power supply.
To achieve the above object, the utility model adopts the following technical scheme：A kind of display screen knot with dual power supply
Structure；Including display board, housing, pinboard, the back shroud set gradually from front to back, dual power supply mould is provided on the pinboard
Block, the housing center are provided with grid, and the grid is provided with the support column of multiple fixed transfer plates, the grid and switching
A partition board is provided between plate；Four angles of the housing are each provided with a supporting block, and the back shroud is connected to four supports
Between block；The location structure and bridging arrangement being connect with adjacent housings are provided on the housing.
Scheme is expanded on further, the side wall in the supporting block toward pinboard direction is the cambered surface of projection, the back shroud
The screens for being formed with and matching with cambered surface is opened respectively inwards in four angles；Two opposite side of the back shroud open respectively be formed with it is arc-shaped recessed
Position, the housing are provided with the convex block of semicircle plate-like, the recess and convex block clamping in corresponding position；The housing is provided with
Multiple fixed columns connected with back shroud.
It is expanded on further scheme, the dual-power module includes the first power module and second source module, and described first
Power module is by the first detection module, the first voltage-releasing voltage stabilizer, the first current-sharing module and the first secondary buck that are sequentially connected electrically
Voltage-stablizer forms, and the second source module is auxiliary by the second detection module, the second voltage-releasing voltage stabilizer, the second current-sharing module and second
Voltage-releasing voltage stabilizer is helped to form, the first detection module and the second detection module are in parallel, first power module and the second electricity
Source module is electrically connected by first detection module and the second detection module.
Scheme is expanded on further, the bridging arrangement is made of the overlap joint slot of the built-in operating groove having contact with and built-in abutment extending,
The operating groove and overlap joint slot are separately positioned on two opposite side of housing.
It is expanded on further scheme, the supporting block includes two the first supporting blocks and two the second supporting blocks, and described first
Fixture block is equipped on the outside of supporting block, the card slot for being formed with and matching with fixture block shape, the fixture block are opened on the outside of second supporting block
With pocket set into the lateral register structure of housing.
Scheme is expanded on further, the inserting column of multiple and housing clamping is provided on the display board, the display board leads to
Cross the side that inserting column is fastened on housing；The display board is provided with the wire casing of fixed wire rod in the side of housing.
Scheme is expanded on further, the partition board is mylar film.
The utility model advantageous effect is：It is rational in infrastructure, the double copies of power supply are realized by dual-power module, are ensured aobvious
The normal work of display screen, service life when improving the use of display screen；Back shroud is clamped by four supporting blocks and fixed column, is added
The strong structure of display screen, while reduce the thickness of display screen；Partition board between pinboard and display board is done by mylar film, is carried
Insulation performance inside high display screen；The quick positioning of multiple mosaic display screens is realized by location structure, improves the group of large-size screen monitors
Fill efficiency.
Description of the drawings
Fig. 1 is the utility model decomposition texture schematic diagram.
Fig. 2 is one of the utility model dual power source structure circuit diagram.
Fig. 3 is the two of the utility model dual power source structure circuit diagram.
Drawing reference numeral explanation：1st, back shroud；11st, recess；12nd, screens；2nd, pinboard；21st, dual-power module；3rd, partition board；
4th, housing；41st, the first supporting block；42nd, the second supporting block；43rd, convex block；44th, cambered surface；45th, grid；46th, support column；47th, it is fixed
Column；5th, display board；51st, inserting column；52nd, wire casing；61st, operating groove；62nd, have contact with；63rd, slot is overlapped；64th, abutment extending；65th, card slot；66、
Fixture block；71st, the first voltage-releasing voltage stabilizer；72nd, the first secondary buck voltage-stablizer；73rd, the first current-sharing module；74th, first detection module；
81st, the second voltage-releasing voltage stabilizer；82nd, the second secondary buck voltage-stablizer；83rd, the second current-sharing module；84th, the second detection module.
Specific embodiment
The 1 a kind of specific embodiment for introducing the utility model to attached drawing 3 below in conjunction with the accompanying drawings.
As shown in Figs. 1-3, a kind of display screen structure with dual power supply；Including set gradually from front to back display board 5,
Housing 4, pinboard 2, back shroud 1 are provided with dual-power module 21 on pinboard 2, and 4 center of housing is provided with grid 45, grid
45 are provided with the support column 46 of multiple fixed transfer plates 2, and a partition board 3 is provided between grid 45 and pinboard 2；The four of housing 4
A angle is each provided with a supporting block, and back shroud 1 is connected between four supporting blocks；It is provided on housing 4 and is connect with adjacent housings 4
Location structure and bridging arrangement.Partition board 3 is mylar film.
The side wall in supporting block toward 2 direction of pinboard is the cambered surface 44 of projection, and four angles of back shroud 1 are opened respectively inwards to be formed with
The screens 12 to match with cambered surface 44；Two opposite side of back shroud 1 are opened respectively is formed with arc-shaped recess 11, and housing 4 is in corresponding position
The convex block 43 for being equipped with semicircle plate-like is installed, recess 11 and convex block 43 are clamped；Housing 4 is provided with consolidating for multiple and back shroud 1 connection
Fixed column 47.
Bridging arrangement has contact with 62 operating groove 61 and the overlap joint slot 63 of built-in abutment extending 64 forms by built-in, operating groove 61 and takes
Access slot 63 is separately positioned on two opposite side of housing 4.Have contact with 62 and the correspondence abutment extendings 64 of adjacent housings overlap, fix two display screens
To form large-size screen monitors.
Supporting block includes two the first supporting blocks 41 and two the second supporting blocks 42, the outside of the first supporting block 41 are equipped with
The card slot 65 for being formed with and matching with 66 shape of fixture block is opened in fixture block 66,42 outside of the second supporting block, and fixture block 66 and card slot 65 form housing 4
Lateral register structure.When needing to splice multiple display screen composition large-size screen monitors, two phases can quickly be positioned by location structure
Adjacent display screen, then by bridging arrangement, by two neighboring display screen by together with having contact with and being connected and fixed with abutment extending, improving
Assemble the efficiency of large-size screen monitors.
The inserting column 51 that multiple and housing 4 is clamped is provided on display board 5, display board 5 is fastened on shell by inserting column 51
The side of body 4；Display board 5 is provided with the wire casing 52 of fixed wire rod in the side of housing 4.
Dual-power module 21 includes the first power module and second source module, and the first power module is by being sequentially connected electrically
First detection module 74, the first voltage-releasing voltage stabilizer 71, the first current-sharing module 73 and the first secondary buck voltage-stablizer 72 form, and second
Power module is by the second detection module 84, the second voltage-releasing voltage stabilizer 81, the second current-sharing module 83 and the second secondary buck voltage-stablizer
82 compositions, 74 and second detection module of first detection module 84 is in parallel, and the first power module and second source module pass through first
74 and second detection module 84 of detection module is electrically connected.
First voltage-releasing voltage stabilizer 71, the first secondary buck voltage-stablizer 72, the decompression of the second secondary buck voltage-stablizer 82, second are steady
Depressor 81 is vicor pi3525 voltage stabilizings decompression chip, and passes through the devices such as diode, power inductance, capacitance by direct current 48V
4.5V is converted into, and can export 40A altogether, meets the electricity consumption of the display screen box body of small spacing in 480mmx270mm rooms.First
Between 71 and first secondary buck voltage-stablizer 72 of voltage-releasing voltage stabilizer, the second secondary buck voltage-stablizer 82 and the second voltage-releasing voltage stabilizer 81
There is a common circuit, common circuit is by Schottky diode, regulator tube group into the first current-sharing module 73 and the second current-sharing module
83 be ISL6146B chips, and first, second current-sharing module 83 adds mating electricity by several control signal EN1, EAO, FB etc.
Flow equalizing function is realized in resistance, avoids two voltage-stablizer operating currents inconsistent, the effective service life for improving product.Pass through
First, the second detection circuit realizes redundant backup function, by first, second detection circuit, no matter the first power module, second
Which open circuit of power module or short circuit, can be switched to another power module, ensure display screen normal work.
The above is not limit the technical scope of the present invention, all real according to the utility model technology
Matter to any modification, equivalent variations and modification that above embodiment is made, still falls within the technical solution of the utility model
In the range of.
Claims (7)
1. a kind of display screen structure with dual power supply；It is characterized in that：Including display board, the shell set gradually from front to back
Body, pinboard, back shroud are provided with dual-power module on the pinboard, and the housing center is provided with grid, the grid
The support column of multiple fixed transfer plates is provided with, a partition board is provided between the grid and pinboard；Four of the housing
Angle is each provided with a supporting block, and the back shroud is connected between four supporting blocks；It is provided on the housing and adjacent housings
The location structure and bridging arrangement of connection.
2. a kind of display screen structure with dual power supply according to claim 1, it is characterised in that：The supporting block is past to be turned
The side wall in fishplate bar direction is the cambered surface of projection, and the card for being formed with and matching with cambered surface is opened at four angles of the back shroud respectively inwards
Position；Two opposite side of the back shroud are opened respectively is formed with arc-shaped recess, and the housing is provided with semicircle plate-like in corresponding position
Convex block, the recess and convex block clamping；The housing is provided with multiple fixed columns connected with back shroud.
3. a kind of display screen structure with dual power supply according to claim 1, it is characterised in that：The dual-power module
Including the first power module and second source module, first power module by be sequentially connected electrically first detection module,
One voltage-releasing voltage stabilizer, the first current-sharing module and the first secondary buck voltage-stablizer composition, the second source module is by the second detection
Module, the second voltage-releasing voltage stabilizer, the second current-sharing module and the second secondary buck voltage-stablizer composition, the first detection module and the
Two detection modules are in parallel, and first power module and second source module pass through first detection module and the second detection module electricity
Connection.
4. a kind of display screen structure with dual power supply according to claim 1, it is characterised in that：The bridging arrangement by
The built-in operating groove having contact with and the overlap joint slot of built-in abutment extending composition, the operating groove and overlap joint slot are separately positioned on two couple of housing
Side.
5. a kind of display screen structure with dual power supply according to claim 1, it is characterised in that：The supporting block includes
Two the first supporting blocks and two the second supporting blocks are equipped with fixture block, second supporting block on the outside of first supporting block
The card slot for being formed with and matching with fixture block shape is opened in outside, and the fixture block and pocket set are into the lateral register structure of housing.
6. a kind of display screen structure with dual power supply according to claim 1, it is characterised in that：It is set on the display board
The inserting column of multiple and housing clamping is equipped with, the display board is fastened on the side of housing by inserting column；The display board exists
The side of housing is provided with the wire casing of fixed wire rod.
7. a kind of display screen structure with dual power supply according to claim 1, it is characterised in that：The partition board is drawn for wheat
Piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721538201.2U CN207489383U (en) | 2017-11-17 | 2017-11-17 | A kind of display screen structure with dual power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721538201.2U CN207489383U (en) | 2017-11-17 | 2017-11-17 | A kind of display screen structure with dual power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207489383U true CN207489383U (en) | 2018-06-12 |
Family
ID=62473830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721538201.2U Expired - Fee Related CN207489383U (en) | 2017-11-17 | 2017-11-17 | A kind of display screen structure with dual power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207489383U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108986679A (en) * | 2018-09-21 | 2018-12-11 | 惠州市艾比森光电有限公司 | Display module splicing construction and display screen |
-
2017
- 2017-11-17 CN CN201721538201.2U patent/CN207489383U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108986679A (en) * | 2018-09-21 | 2018-12-11 | 惠州市艾比森光电有限公司 | Display module splicing construction and display screen |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180612 |