CN207233362U - A kind of LED display power supply module, LED display control system and LED display - Google Patents
A kind of LED display power supply module, LED display control system and LED display Download PDFInfo
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- CN207233362U CN207233362U CN201721232382.6U CN201721232382U CN207233362U CN 207233362 U CN207233362 U CN 207233362U CN 201721232382 U CN201721232382 U CN 201721232382U CN 207233362 U CN207233362 U CN 207233362U
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- power supply
- led display
- supply module
- electrically connected
- display control
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- 230000005611 electricity Effects 0.000 claims description 10
- 230000000694 effects Effects 0.000 abstract description 8
- 238000010586 diagram Methods 0.000 description 15
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Abstract
The utility model discloses a kind of LED display power supply module, LED display control system and LED display.The LED display power supply module includes：At least two power supplys and power supply selecting unit；Wherein, the input terminal of power supply selecting unit and at least two power electric connections, the output terminal of power supply selecting unit are used to be electrically connected with LED display control card circuit unit；Power supply selecting unit is used to maintain at least one power supply to power for LED display control card circuit unit.The technical solution that the utility model embodiment provides so that during the power failure of work at present, corresponding LED display control card circuit unit remains able to work normally, and avoids the interruption of display signal, ensures that the display effect of LED display is unaffected.
Description
Technical field
The utility model embodiment is related to LED display technique, more particularly to a kind of LED display power supply module, LED are shown
Shield control system and LED display.
Background technology
With the continuous development of LED display technique, LED display, which gradually substitutes traditionally on paper poster, becomes common business
The instrument of propaganda, the people that are switched to of its dynamic menu bring new visual experience.
Commercial LED display size is larger in the prior art, is made of the LED display babinet of multiple cascades, display letter
It number can be transmitted between these LED display babinets, and then realize the overall display of commercial LED display.Each LED is shown
Shielding babinet includes LED display control card circuit unit and the power supply for the power supply of LED display control card circuit unit.Due to
An only power supply, when the power failure, corresponding LED display control card circuit unit can not be just further continued for
Work, causes the interruption for showing signal transmission, influences the display effect of commercial LED display.
Utility model content
The utility model provides a kind of LED display power supply module, LED display control system and LED display, so that
When obtaining the power failure of work at present, corresponding LED display control card circuit unit remains able to work normally, and avoids
Show the interruption of signal, ensure that the display effect of LED display is unaffected.
In a first aspect, the utility model embodiment provides a kind of LED display power supply module, the LED display supplies
Electric module includes：
At least two power supplys and power supply selecting unit；
Wherein, the input terminal of the power supply selecting unit and at least two power electric connection, the power supply selection are single
The output terminal of member is used to be electrically connected with LED display control card circuit unit；
It is the LED display control card circuit unit that the power supply selecting unit, which is used to maintain at least one power supply,
Power supply.
Second aspect, the utility model embodiment additionally provide a kind of LED display control system, the LED display
Control system includes the LED display control card circuit unit of multiple cascades, it is characterised in that further includes multiple such as above-mentioned first
LED display power supply module described in aspect, each LED display control card circuit unit are electrically connected a LED and show
Display screen power supply module.
The third aspect, the utility model embodiment additionally provide a kind of LED display, and the LED display includes babinet
And multiple LED display modules on the babinet, it is characterised in that further include the LED described in above-mentioned second aspect and show
Display screen control system, each LED display control card circuit unit of the LED display control system are electrically connected an institute
State LED display modules.
The LED display power supply module that the utility model embodiment provides includes at least two power supplys and power supply selection is single
Member, wherein, the input terminal of power supply selecting unit and at least two power electric connections, the output terminal of power supply selecting unit be used for
LED display control card circuit unit is electrically connected, and power supply selecting unit is used to maintain at least one power supply to control for LED display
Card circuit unit is powered so that during the power failure of work at present, corresponding LED display control card circuit unit is still
It can work normally, avoid the interruption of display signal, ensure that the display effect of LED display is unaffected.
Brief description of the drawings
In order to clearly illustrate the technical solution of the utility model exemplary embodiment, below in description embodiment
The required attached drawing used does a simple introduction.Obviously, the attached drawing introduced is the utility model part to be described
The attached drawing of embodiment, rather than whole attached drawings, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other attached drawings can also be obtained according to these attached drawings.
Fig. 1 is a kind of attachment structure schematic diagram for LED display power supply module that the utility model embodiment provides；
Fig. 2 is a kind of electrical block diagram for LED display power supply module that the utility model embodiment provides；
Fig. 3 is the electrical block diagram for another LED display power supply module that the utility model embodiment provides；
Fig. 4 is the electrical block diagram for another LED display power supply module that the utility model embodiment provides；
Fig. 5 is a kind of structure diagram for LED display control system that the utility model embodiment provides；
Fig. 6 is a kind of structure diagram for LED display that the utility model embodiment provides.
Embodiment
Further to illustrate that the utility model is to reach the technological means and effect that predetermined purpose of utility model taken,
Below in conjunction with attached drawing and preferred embodiment, to according to the utility model proposes a kind of display panel and preparation method thereof it is specific
Embodiment, structure, feature and its effect, describe in detail as after.
The utility model embodiment provides a kind of LED display power supply module, which includes：
At least two power supplys and power supply selecting unit；Wherein, the input terminal of power supply selecting unit and at least two power electric connections, power supply
The output terminal of selecting unit is used to be electrically connected with LED display control card circuit unit；Power supply selecting unit is used to maintain at least
One power supply is powered for LED display control card circuit unit.
The LED display power supply module that the utility model embodiment provides includes at least two power supplys and power supply selection is single
Member, wherein, the input terminal of power supply selecting unit and at least two power electric connections, the output terminal of power supply selecting unit be used for
LED display control card circuit unit is electrically connected, and power supply selecting unit is used to maintain at least one power supply to control for LED display
Card circuit unit is powered so that during the power failure of work at present, corresponding LED display control card circuit unit is still
It can work normally, avoid the interruption of display signal, ensure that the display effect of LED display is unaffected.
Above is the core concept of the application, the following is a combination of the drawings in the embodiments of the present utility model, new to this practicality
Technical solution in type embodiment is clearly and completely described, it is clear that described embodiment is only the utility model one
Section Example, instead of all the embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not having
Under the premise of making creative work, all other embodiments obtained, shall fall within the protection scope of the present invention.
Many details are elaborated in the following description in order to fully understand the utility model, but this practicality is new
Type can also be implemented using other different from other embodiment described here, those skilled in the art can without prejudice to
Similar popularization is done in the case of the utility model connotation, therefore the utility model is from the limit of following public specific embodiment
System.
Secondly, the utility model combination schematic diagram is described in detail, when the utility model embodiment is described in detail, for ease of
Illustrate, represent that the schematic diagram of device device architecture not makees partial enlargement according to general proportion, and the schematic diagram simply shows
Example, it should not limit the scope of the utility model protection herein.In addition, length, width and height should be included in actual fabrication
The three-dimensional space of degree.
Fig. 1 is a kind of attachment structure schematic diagram for LED display power supply module that the utility model embodiment provides.Such as figure
Shown in 1,10 at least two power supply 110 of LED display power supply module and power supply selecting unit 120, wherein, the power supply selection is single
The input terminal of member 120 is electrically connected with least two power supply 110, and the output terminal of the power supply selecting unit 120 is used for and LED
Display screen control card circuit unit 130 is electrically connected, and the power supply selecting unit 120 is used to maintain at least one power supply 110
Power for the LED display control card circuit unit 130.
Exemplary, as shown in Figure 1, the LED display control card circuit unit 130 can include LED display control
Fabrication 131 and LED display control card associated circuit 132.Optionally, the LED display control card associated circuit 132 can
Including HUB plates and monitor card, indicator light, test button, monitor card and sensor etc. can also be included.Need what is illustrated
It is that LED display control card 131 is electrically connected with LED display control card associated circuit 132, LED display control card association electricity
Road 132 is used for the control operation that auxiliary LED display screen control card 131 completes display.It should also be noted that, LED display control
Specific set of fabrication associated circuit 132 is not limited to the above situation, can need to be adjusted by designer according to display, wherein
Sensor may include a variety of.
The LED display power supply module 10 that the utility model embodiment provides includes at least two power supplys 110 and power supply selects
Unit 120 is selected, wherein, the input terminal of power supply selecting unit 10 is electrically connected with least two power supplys 110, power supply selecting unit 120
Output terminal be used for be electrically connected with LED display control card circuit unit 130, power supply selecting unit 120 be used for maintain at least one
A power supply is powered for LED display control card circuit unit 130 so that corresponding when the power supply 110 of work at present breaks down
LED display control card circuit unit 130 remains able to work normally, and avoids the interruption of display signal, ensures LED display
Display effect is unaffected.
Fig. 2 is a kind of electrical block diagram for LED display power supply module that the utility model embodiment provides.Such as figure
Shown in 2, LED display power supply module 10 includes the first power supply 111 and second source 112 and power supply selecting unit 120, its
In, first power supply 111, second source 112 are connected with the power supply selecting unit 120 respectively, the power supply selecting unit
120 are used to maintain the first power supply 111 or second source 112 to be powered.Specifically, the as shown in Fig. 2, power supply selecting unit
120 be dpdt relay, and the dpdt relay includes the first control units 122 and the first switch portion being electrically connected
121.The positive voltage input terminal of the first control units 122 is electrically connected with the cathode of first power supply 111, the first switch
Two first contacts 201 in portion 121 are electrically connected with the cathode of first power supply 111, two of the first switch portion 121
Two contacts 202 are electrically connected with the cathode of the second source 112, two fixed points 203 in the first switch portion 121 with it is described
The positive voltage output end of LED display power supply module 10 is electrically connected.When first power supply 111 is to the first control units 122
During power supply, the first contact 201 and the fixed point 203 described in the switch conduction in the first switch portion 121.When the described first electricity
Source 111 stop to the first control units 122 power when, the switch in the first switch portion 121 resets and turns on described second
Contact 202 and the fixed point 203.The negative voltage input terminal of the first control units 122, first power supply 111 anode,
The negative voltage output terminal of the anode of the second source 112 and the LED display power supply module 10 is grounded.
It should be noted that power supply of first power supply 111 as the first control units 122, for providing the first control
Portion 122 works normally required electric energy.When the first power supply 111 works normally, the action of 122 controlling switch of the first control units, makes
Two fixed points 203 being fixedly connected must be switched with two respectively to be electrically connected with corresponding first contact 201 respectively, and with it is corresponding
The second contact 202 disconnect, at this time, the first power supply 111 is powered.When the first power supply 111, which breaks down, to be worked normally, the
One control unit 122 resets so that switched respectively with two two fixed points 203 being fixedly connected respectively with corresponding second contact
202 are electrically connected, and are disconnected with corresponding first contact 201, and at this time, second source 112 is powered.
It should also be noted that, in addition the circuit in Fig. 2 is without setting the control circuit of the first control units 122 just can basis
The situation of preferred the first power supply of working power 111 realizes the switching of power supply automatically, and the simple and reliable property of circuit is good.
Fig. 3 is the electrical block diagram for another LED display power supply module that the utility model embodiment provides.Such as
Shown in Fig. 3, the LED display power supply module 10 includes the 3rd power supply 113, the 4th power supply 114 and power supply selecting unit
120, wherein, the 3rd power supply 113 and the 4th power supply 114 are connected with the power supply selecting unit 120 respectively, the power supply choosing
Unit 120 is selected to be used to determine that the 3rd power supply 113 or the 4th power supply 114 are powered.Specifically, as shown in figure 3, the power supply selects
It is single-pole double-throw relay to select unit 120, and the second control unit 124 and second that the single-pole double-throw relay includes being electrically connected is opened
Pass portion 123.The positive voltage input terminal of second control unit 124 is electrically connected with the cathode of the 3rd power supply 113, and described second
First contact 301 of switch portion 123 is electrically connected with the cathode of the 3rd power supply 113, and the second of the second switch portion 123 touches
Point 302 is electrically connected with the cathode of the 4th power supply 114, and the fixed point 303 and LED in the second switch portion 123 is shown
The positive voltage output end for shielding power supply module 10 is electrically connected.When the 3rd power supply 113 is powered to second control unit 124,
First contact 301 and the fixed point 303 described in the switch conduction in the second switch portion 123.When the 3rd power supply 113 stops
When only powering to second control unit 124, the switch in the second switch portion 123 resets and turns on second contact 302
With the fixed point 303.The negative voltage input terminal of second control unit 124, the anode of the 3rd power supply 113, described
The negative voltage output terminal of the anode of four power supplys 114 and the LED display power supply module 10 is grounded.
It should be noted that LED display shown in the circuit structure and Fig. 2 of LED display power supply module shown in Fig. 3 10 supplies
The circuit structure of electric module 10 is similar, unlike in Fig. 3 power supply selecting unit 120 be single-pole double-throw relay, but specific work
It is identical with Fig. 2 to make principle, details are not described herein.It is understood that the structure of single-pole double-throw relay is than double-pole double throw relay
The structure of device is simple, but since same contacts only have one respectively, so reliability is relatively poor, designer can be according to reality
Need to select suitable relay device.
Fig. 4 is the electrical block diagram for another LED display power supply module that the utility model embodiment provides.Such as
Shown in Fig. 4, the LED display power supply module 10 includes two power supplys 110 and power supply selecting unit 120, wherein, described two
A power supply 110 is connected with the power supply selecting unit 120 respectively, and the power supply selecting unit 120 is used to determine at least one institute
Power supply 110 is stated to be powered.Specifically, the power supply selecting unit 120 includes two diodes 125, described two diodes
125 correspond with two power supplys 110 respectively, and each power supply 110 is connected with the anode of the corresponding diode 125,
The cathode of the diode 125 is electrically connected to the positive voltage output end of the LED display power supply module 10, two power supplys
The negative voltage output terminal of 110 anode and the LED display power supply module 10 is grounded.
It should be noted that Fig. 4 only includes two power supplys 110 and two diodes with LED display power supply module 10
The explanation of scheme, rather than 125 quantity of power supply 110 and diode included to LED display power supply module 10 are carried out exemplified by 125
Restriction, it is to be understood that in the other embodiment of the present embodiment, LED display power supply module 10 can also include
More than two power supply 110 and more than two diode 125.
It should also be noted that, at least two power supplys 110 are in parallel in Fig. 4 schemes, each power supply 110 is connected one again
Diode 125, in theory for, the voltage for the sub-circuit that each power supply 110 and the series connection of diode 125 are formed is identical, defeated after in parallel
The voltage gone out is also identical, so that other power supplys 110 still are able to so that exporting when any one or several power supplys 110 break down
Voltage it is constant.It is worth noting that, diode 125 is used to play buffer action to each 110 cathode of power supply, avoid mutually dry
Disturb, therefore the closure of diode 125 is to determine.
Optionally, voltage regulation unit 126, the voltage can also be included referring to Fig. 4, the power supply selecting unit 120
The positive voltage input terminal 401 of adjustment unit 126 is electrically connected with the cathode of at least two diode 125, positive voltage output end
403 are connected with the positive voltage output end of the LED display power supply module 10, negative voltage input terminal 402 and negative voltage output terminal
404 are grounded.
It should be noted that since diode 125 is there are conduction voltage drop, the voltage to enable output meets confession
Electricity requires, and voltage to be output is adjusted using voltage regulation unit 126.
With continued reference to Fig. 4, LED display power supply module 10 can also include capacitance 140, and the capacitance 140 is electrically connected to
Between the positive voltage output end and negative voltage output terminal of the LED display power supply module 10, for electric current progress to be output
Filtering process.
Exemplary, the voltage regulation unit 126 can be DC-DC module.It is understood that electricity can reached
Pressure adjustment purpose and with interlock circuit it is matched under the premise of, voltage regulation unit 126 in the present embodiment can also be other knots
Structure, the present embodiment are not specifically limited this.
Fig. 5 is a kind of structure diagram for LED display control system that the utility model embodiment provides.Such as Fig. 5 institutes
Show, LED display control system includes the LED display control card circuit unit 130 of multiple cascades, further includes multiple such as this reality
With the LED display power supply module 10 described in new any embodiment, each LED display control card circuit unit 130
It is electrically connected a LED display power supply module 10.
Fig. 6 is a kind of structure diagram for LED display that the utility model embodiment provides.As shown in fig. 6, LED is shown
Display screen includes babinet 2 and multiple LED display modules 20 on the babinet 2, further includes the utility model and arbitrarily implements
LED display control system 1 described in example, each LED display control card electricity of the LED display control system 1
Road unit 130 is electrically connected the LED display modules 20.Note that it above are only the preferred embodiment of the utility model and transported
Use technical principle.It will be appreciated by those skilled in the art that the utility model is not limited to specific embodiment described here, to this area
Can be carried out for technical staff it is various significantly change, readjust, be combined with each other and substitute it is new without departing from this practicality
The protection domain of type.Therefore, although being described in further detail by above example to the utility model, this reality
Be not limited only to above example with new, in the case where not departing from the utility model design, can also include it is more other
Equivalent embodiment, and the scope of the utility model is determined by scope of the appended claims.
Claims (10)
- A kind of 1. LED display power supply module, it is characterised in that including：At least two power supplys and power supply selecting unit；Wherein, the input terminal of the power supply selecting unit and at least two power electric connection, the power supply selecting unit Output terminal is used to be electrically connected with LED display control card circuit unit；The power supply selecting unit is used to maintain at least one power supply to supply for the LED display control card circuit unit Electricity.
- 2. LED display power supply module according to claim 1, it is characterised in that when at least two power supply is the When one power supply and second source, the power supply selecting unit is selecting switch relay, and the selecting switch relay includes electricity The control unit and switch portion of connection；The positive voltage input terminal of the control unit is electrically connected with the cathode of first power supply, and at least one the of the switch portion One contact is electrically connected with the cathode of first power supply, at least one second contact and the second source of the switch portion Cathode is electrically connected, the positive voltage output end electricity of at least one fixed point of the switch portion and the LED display power supply module Connection；When first power supply is powered to the control unit, the first contact described in the switch conduction of the switch portion and it is described not Dynamic point；When first power supply stops powering to the control unit, the switch of the switch portion resets and turns on described second and touch Point and the fixed point；The negative voltage input terminal of the control unit, the anode of first power supply, the anode of the second source and the LED The negative voltage output terminal of display screen power supply module is grounded.
- 3. LED display power supply module according to claim 2, it is characterised in that the selecting switch relay is double Dpdt double-pole double-throw (DPDT) relay or single-pole double-throw relay.
- 4. LED display power supply module according to claim 1, it is characterised in that the power supply selecting unit is included extremely Few two diodes, at least two diode are corresponded with least two power supply respectively；The cathode of each power supply is electrically connected with the anode of the corresponding diode；The cathode of at least two diode is electrically connected to the positive voltage output end of the LED display power supply module；The negative voltage output terminal of the anode of at least two power supply and the LED display power supply module is grounded.
- 5. LED display power supply module according to claim 4, it is characterised in that the power supply selecting unit further includes Voltage regulation unit, the positive voltage input terminal of the voltage regulation unit are electrically connected with the cathode of at least two diode, Positive voltage output end is electrically connected with the positive voltage output end of the LED display power supply module, negative voltage input terminal and negative electricity Pressure output terminal is grounded.
- 6. LED display power supply module according to claim 5, it is characterised in that further include capacitance, the capacitance is electrically connected It is connected between the positive voltage output end and negative voltage output terminal of the LED display power supply module, for electric current to be output It is filtered processing.
- 7. LED display power supply module according to claim 5, it is characterised in that the voltage regulation unit is DC-DC Module.
- 8. LED display power supply module according to claim 1, it is characterised in that the LED display control card circuit Unit includes LED display control card and LED display control card associated circuit, the LED display control card association electricity Road includes HUB plates and monitor card.
- 9. a kind of LED display control system, includes the LED display control card circuit unit of multiple cascades, it is characterised in that Further include multiple such as claim 1 to 8 any one of them LED display power supply module, each LED display control card Circuit unit is electrically connected a LED display power supply module.
- 10. a kind of LED display, including babinet and multiple LED display modules on the babinet, it is characterised in that The LED display control system described in claim 9 is further included, each LED of the LED display control system is shown Shield control card circuit unit and be electrically connected the LED display modules.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721232382.6U CN207233362U (en) | 2017-09-25 | 2017-09-25 | A kind of LED display power supply module, LED display control system and LED display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721232382.6U CN207233362U (en) | 2017-09-25 | 2017-09-25 | A kind of LED display power supply module, LED display control system and LED display |
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| Publication Number | Publication Date |
|---|---|
| CN207233362U true CN207233362U (en) | 2018-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721232382.6U Active CN207233362U (en) | 2017-09-25 | 2017-09-25 | A kind of LED display power supply module, LED display control system and LED display |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112053659A (en) * | 2020-09-25 | 2020-12-08 | 京东方科技集团股份有限公司 | Display panel, power supply method thereof and display device |
| CN113629987A (en) * | 2021-08-03 | 2021-11-09 | 深圳市康佳壹视界商业显示有限公司 | LED screen electrical control system |
-
2017
- 2017-09-25 CN CN201721232382.6U patent/CN207233362U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112053659A (en) * | 2020-09-25 | 2020-12-08 | 京东方科技集团股份有限公司 | Display panel, power supply method thereof and display device |
| CN113629987A (en) * | 2021-08-03 | 2021-11-09 | 深圳市康佳壹视界商业显示有限公司 | LED screen electrical control system |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An LED display screen power supply module, LED display screen control system, and LED display screen Effective date of registration: 20231031 Granted publication date: 20180413 Pledgee: Shenzhen hi tech investment small loan Co.,Ltd. Pledgor: LEDMAN OPTOELECTROIC Co.,Ltd. Registration number: Y2023980063464 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |