CN203645880U - Power supply control system of light emitting diode lamp panel - Google Patents
Power supply control system of light emitting diode lamp panel Download PDFInfo
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- CN203645880U CN203645880U CN201320831100.XU CN201320831100U CN203645880U CN 203645880 U CN203645880 U CN 203645880U CN 201320831100 U CN201320831100 U CN 201320831100U CN 203645880 U CN203645880 U CN 203645880U
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- emitting diode
- diode lamp
- power supply
- plate
- feeding unit
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Abstract
The utility model provides a power supply control system of a light emitting diode lamp panel. The power supply control system is applied to a power supply unit and at least one light emitting diode lamp panel. The power supply control system comprises a central processing unit and at least one current detecting and direct current to direct current power supply unit. The current detecting and direct current to direct current power supply unit is used for supplying power for the light emitting diode lamp panel and detecting the current state. When the current exceeds the current default value scope, the current detecting and direct current to direct current power supply unit informs the central processing unit. A direct current to direct current power supply replaces an alternating current to direct current power supply of a light emitting diode lamp panel installed outdoors, and therefore the problems are solved that an alternating current to direct current power supply of a light emitting diode lamp panel is liable to failure and the service life is shortened.
Description
Technical field
The utility model is about the power control system of a kind of power control system, particularly a kind of light-emitting diode lamp-plate.
Background technology
The light-emitting diode lamp-plate of popular more than two fritter of LED advertisement board employing combines on the market at present, and each fritter light-emitting diode lamp-plate disposes single AC/DC power supply.
AC/DC power supply has the problem that volume is large and heating degree is high, in order to solve heat dissipation problem, avoids reducing the life-span of electronic component, all can offer through hole on the shell of existing AC/DC power supply.
But, because LED advertisement board is all arranged on open air mostly, for AC/DC power supply, on shell, offering through hole has the problems such as easy savings dust and moisture invasion on the contrary, AC/DC power supply is easily broken down and shorten the life-span.
Utility model content
In view of this, main purpose of the present utility model is to provide a kind of power control system of light-emitting diode lamp-plate.
For reaching above-mentioned purpose of the present utility model, the power control system of light-emitting diode lamp-plate of the present utility model is applied to power-supply unit and at least one light-emitting diode lamp-plate, the power control system of this light-emitting diode lamp-plate comprises: at least one current sense and DC-DC power supply feeding unit, and this current sense and DC-DC power supply feeding unit are electrically connected to described light-emitting diode lamp-plate and described power-supply unit; And CPU, this CPU is electrically connected to described current sense and DC-DC power supply feeding unit, described power-supply unit and described light-emitting diode lamp-plate.Wherein said current sense and DC-DC power supply feeding unit are in order to power to described light-emitting diode lamp-plate detecting current state, in the time that electric current exceedes electric current default value scope, described current sense and DC-DC power supply feeding unit are notified described CPU.
Another object of the present utility model is to provide a kind of power control system of light-emitting diode lamp-plate.
For reaching above-mentioned another object of the present utility model, the power control system of light-emitting diode lamp-plate of the present utility model is applied to AC power feeding mechanism and at least one light-emitting diode lamp-plate, the power control system of this light-emitting diode lamp-plate comprises: at least one current sense and DC-DC power supply feeding unit, and this current sense and DC-DC power supply feeding unit are electrically connected to described light-emitting diode lamp-plate; At least one DC-DC end switch unit, this DC-DC end switch unit is electrically connected to described current sense and DC-DC power supply feeding unit; At least one DC-DC terminal voltage detecting unit, this DC-DC terminal voltage detecting unit is electrically connected to described current sense and DC-DC power supply feeding unit, described DC-DC end switch unit and described light-emitting diode lamp-plate; AC/DC power feeding unit, this AC/DC power feeding unit is electrically connected to described DC-DC end switch unit and described AC power feeding mechanism; And CPU, this CPU is electrically connected to described current sense and DC-DC power supply feeding unit, described DC-DC terminal voltage detecting unit, described DC-DC end switch unit, described light-emitting diode lamp-plate and described AC/DC power feeding unit.Wherein said current sense and DC-DC power supply feeding unit are in order to power to described light-emitting diode lamp-plate detecting current state, in the time that electric current exceedes electric current default value scope, described current sense and DC-DC power supply feeding unit are notified described CPU; Wherein said DC-DC terminal voltage detecting unit is in order to detect the voltage status of described current sense and DC-DC power supply feeding unit and described light-emitting diode lamp-plate, in the time that voltage exceedes the first voltage default value scope, described DC-DC terminal voltage detecting unit is notified described CPU, described CPU is closed described DC-DC end switch unit, so as to closing described current sense and DC-DC power supply feeding unit.
Preferably, the power control system of described light-emitting diode lamp-plate also comprises: at least one first time of delay assembly, this, assembly was electrically connected to described current sense and DC-DC power supply feeding unit and described CPU the first time of delay, interchange turns DC terminal voltage detecting unit, and this interchange turns DC terminal voltage detecting unit and is electrically connected to described DC-DC end switch unit, described AC/DC power feeding unit and described CPU, and interchange turns DC terminal switch element, this interchange turns DC terminal switch element and is electrically connected to described AC/DC power feeding unit, described AC power feeding mechanism and described CPU, wherein said interchange turns DC terminal voltage detecting unit in order to detect the voltage status of described AC/DC power feeding unit, in the time that voltage exceedes second voltage default value scope, described interchange turns DC terminal voltage detecting unit and notifies described CPU, described CPU is closed described interchange and is turned DC terminal switch element, so as to closing described AC/DC power feeding unit.
Preferably, described DC-DC terminal voltage detecting unit comprises: second time of delay assembly, this, assembly was electrically connected to described CPU the second time of delay; The first operational amplifier, this first operational amplifier comprises the first operational amplifier non-inverting input, the first operational amplifier inverting input and the first operational amplifier output terminal, described the first operational amplifier output terminal be electrically connected to described second time of delay assembly; The second operational amplifier, this second operational amplifier comprises the second operational amplifier non-inverting input, the second operational amplifier inverting input and the second operational amplifier output terminal, described the second operational amplifier output terminal be electrically connected to described second time of delay assembly and described the first operational amplifier output terminal; The first reference voltage source, this first reference voltage source is electrically connected to described the first operational amplifier inverting input; And second reference voltage source, this second reference voltage source is electrically connected to described the second operational amplifier non-inverting input.
Preferably, described DC-DC terminal voltage detecting unit also comprises: the first resistance, and this first resistance is electrically connected to described current sense and DC-DC power supply feeding unit, described light-emitting diode lamp-plate and described the first operational amplifier non-inverting input; The second resistance, this second resistance is electrically connected to described the first resistance, described the first operational amplifier non-inverting input and described the second operational amplifier inverting input; And the 3rd resistance, the 3rd resistance is electrically connected to described the second resistance and described the second operational amplifier inverting input.
Preferably, described interchange turns DC terminal voltage detecting unit and comprises: the 3rd time of delay assembly, the 3rd time of delay assembly be electrically connected to described CPU; The 3rd operational amplifier, the 3rd operational amplifier comprises the 3rd operational amplifier non-inverting input, the 3rd operational amplifier inverting input and the 3rd operational amplifier output terminal, described the 3rd operational amplifier output terminal be electrically connected to described the 3rd time of delay assembly; Four-operational amplifier, this four-operational amplifier comprises four-operational amplifier non-inverting input, four-operational amplifier inverting input and four-operational amplifier output, described four-operational amplifier output be electrically connected to described the 3rd time of delay assembly and described the 3rd operational amplifier output terminal; The 3rd reference voltage source, the 3rd reference voltage source is electrically connected to described the 3rd operational amplifier inverting input; And the 4th reference voltage source, the 4th reference voltage source is electrically connected to described four-operational amplifier non-inverting input.
Preferably, described interchange turns DC terminal voltage detecting unit and also comprises: the 4th resistance, and the 4th resistance is electrically connected to described DC-DC end switch unit, described AC/DC power feeding unit and described the 3rd operational amplifier non-inverting input; The 5th resistance, the 5th resistance is electrically connected to described the 4th resistance, described the 3rd operational amplifier non-inverting input and described four-operational amplifier inverting input; And the 6th resistance, the 6th resistance is electrically connected to described the 5th resistance and described four-operational amplifier inverting input.
Preferably, described current sense and DC-DC power supply feeding unit and described DC-DC terminal voltage detecting unit are arranged on described light-emitting diode lamp-plate; Described light-emitting diode lamp-plate, described current sense and DC-DC power supply feeding unit, described DC-DC end switch unit, described DC-DC terminal voltage detecting unit and described first time of delay assembly quantity be more than two.
Another object of the present utility model is to provide a kind of power control system of light-emitting diode lamp-plate.
For reaching above-mentioned another object of the present utility model, the power control system of light-emitting diode lamp-plate of the present utility model is applied to CPU, AC power feeding mechanism and at least one light-emitting diode lamp-plate, the power control system of this light-emitting diode lamp-plate comprises: at least one current sense and DC-DC power supply feeding unit, and this current sense and DC-DC power supply feeding unit are electrically connected to described light-emitting diode lamp-plate; At least one DC-DC end switch unit, this DC-DC end switch unit is electrically connected to described current sense and DC-DC power supply feeding unit; At least one DC-DC terminal voltage detecting unit, this DC-DC terminal voltage detecting unit is electrically connected to described current sense and DC-DC power supply feeding unit, described DC-DC end switch unit and described light-emitting diode lamp-plate; And AC/DC power feeding unit, this AC/DC power feeding unit is electrically connected to described DC-DC end switch unit and described AC power feeding mechanism.Wherein said CPU is electrically connected to described current sense and DC-DC power supply feeding unit, described DC-DC terminal voltage detecting unit, described DC-DC end switch unit, described light-emitting diode lamp-plate and described AC/DC power feeding unit; Wherein said current sense and DC-DC power supply feeding unit are in order to power to described light-emitting diode lamp-plate detecting current state, in the time that electric current exceedes electric current default value scope, described current sense and DC-DC power supply feeding unit are notified described CPU; Wherein said DC-DC terminal voltage detecting unit is in order to detect the voltage status of described current sense and DC-DC power supply feeding unit and described light-emitting diode lamp-plate, in the time that voltage exceedes the first voltage default value scope, described DC-DC terminal voltage detecting unit is notified described CPU, described CPU is closed described DC-DC end switch unit, so as to closing described current sense and DC-DC power supply feeding unit.
An object more of the present utility model is to provide a kind of power control system of light-emitting diode lamp-plate.
For reaching an above-mentioned object more of the present utility model, the power control system of light-emitting diode lamp-plate of the present utility model is applied to AC power feeding mechanism and at least one light-emitting diode lamp-plate, the power control system of this light-emitting diode lamp-plate comprises: at least one current sense and DC-DC power supply feeding unit, and this current sense and DC-DC power supply feeding unit are electrically connected to described light-emitting diode lamp-plate; At least one DC-DC end switch unit, this DC-DC end switch unit is electrically connected to described current sense and DC-DC power supply feeding unit; At least one DC-DC terminal voltage detecting unit, this DC-DC terminal voltage detecting unit is electrically connected to described current sense and DC-DC power supply feeding unit, described DC-DC end switch unit and described light-emitting diode lamp-plate; AC/DC power feeding unit, this AC/DC power feeding unit is electrically connected to described current sense and DC-DC power supply feeding unit, described DC-DC end switch unit and described AC power feeding mechanism, and described AC/DC power feeding unit is digital power supply; And CPU, this CPU is electrically connected to described DC-DC terminal voltage detecting unit, described DC-DC end switch unit, described light-emitting diode lamp-plate and described AC/DC power feeding unit.Wherein said current sense and DC-DC power supply feeding unit are in order to power to described light-emitting diode lamp-plate detecting current state, in the time that electric current exceedes electric current default value scope, described current sense and DC-DC power supply feeding unit are notified described AC/DC power feeding unit, and described AC/DC power feeding unit reinforms described CPU; Wherein said DC-DC terminal voltage detecting unit is in order to detect the voltage status of described current sense and DC-DC power supply feeding unit and described light-emitting diode lamp-plate, in the time that voltage exceedes the first voltage default value scope, described DC-DC terminal voltage detecting unit is notified described CPU, described CPU is closed described DC-DC end switch unit, so as to closing described current sense and DC-DC power supply feeding unit.
Compared with prior art, effect of the present utility model is to replace and be arranged on the AC/DC power supply of outdoor light-emitting diode lamp-plate with DC-DC power supply supply, thereby avoids the AC/DC power supply of light-emitting diode lamp-plate easily break down and contract short-life problem.
Accompanying drawing explanation
Fig. 1 is the block diagram of the first embodiment of the power control system of light-emitting diode lamp-plate of the present utility model;
Fig. 2 is the block diagram of the second embodiment of the power control system of light-emitting diode lamp-plate of the present utility model;
Fig. 3 is the block diagram of DC-DC terminal voltage detecting unit of the present utility model;
Fig. 4 is the block diagram that interchange of the present utility model turns DC terminal voltage detecting unit;
Fig. 5 is the block diagram of the 3rd embodiment of the power control system of light-emitting diode lamp-plate of the present utility model;
Fig. 6 is the block diagram of the 4th embodiment of the power control system of light-emitting diode lamp-plate of the present utility model;
Fig. 7 is the block diagram of the 5th embodiment of the power control system of light-emitting diode lamp-plate of the present utility model.
Description of reference numerals
The power control system 10 of light-emitting diode lamp-plate
Light-emitting diode lamp-plate 20
AC power feeding mechanism 30
Power-supply unit 60
Current sense and DC-DC power supply feeding unit 102
DC-DC end switch unit 104
DC-DC terminal voltage detecting unit 106
AC/DC power feeding unit 108
First time of delay assembly 112
Interchange turns DC terminal voltage detecting unit 114
Interchange turns DC terminal switch element 116
Second time of delay assembly 10602
The first operational amplifier 10604
The second operational amplifier 10606
The first reference voltage source 10608
The second reference voltage source 10610
The first resistance 10612
The second resistance 10614
The 3rd resistance 10616
The first operational amplifier non-inverting input 10,618 first operational amplifier inverting inputs 10620
The first operational amplifier output terminal 10622
The second operational amplifier non-inverting input 10,624 second operational amplifier inverting inputs 10626
The second operational amplifier output terminal 10628
The 3rd time of delay assembly 11402
The 3rd operational amplifier 11404
Four-operational amplifier 11406
The 3rd reference voltage source 11408
The 4th reference voltage source 11410
The 4th resistance 11412
The 5th resistance 11414
The 6th resistance 11416
The 3rd operational amplifier non-inverting input 11418
The 3rd operational amplifier inverting input 11420
The 3rd operational amplifier output terminal 11422
Four-operational amplifier non-inverting input 11424
Four-operational amplifier inverting input 11426
Four-operational amplifier output 11428
Embodiment
Relevant the technical content and a detailed description of the present utility model, are described as follows cooperation accompanying drawing, but appended accompanying drawing is only as illustrative purposes, not for limiting to the utility model.
Please refer to Fig. 1, is the block diagram of the first embodiment of the power control system of light-emitting diode lamp-plate of the present utility model.The power control system 10 of light-emitting diode lamp-plate is applied to AC power feeding mechanism 30 and at least one light-emitting diode lamp-plate 20.
The power control system 10 of this light-emitting diode lamp-plate comprises at least one current sense and DC-DC power supply feeding unit 102, at least one DC-DC end switch unit 104, at least one DC-DC terminal voltage detecting unit 106, AC/DC power feeding unit 108 and CPU 110.
In one embodiment, it is simplified illustration that the power control system 10 of this light-emitting diode lamp-plate is applied to more than two light-emitting diode lamp-plate 20(, Fig. 1 only draws this light-emitting diode lamp-plate 20), therefore this corresponding current sense and DC-DC power supply feeding unit 102, this DC-DC end switch unit 104 and this DC-DC terminal voltage detecting unit 106 are also more than two.In addition, this AC/DC power feeding unit 108 also visible system demand be connected in series multiple AC/DC power supplies; For example system requirements are two myriawatt spies, can be connected in series the AC/DC power supply of ten two kilowtts.
This current sense and DC-DC power supply feeding unit 102 are electrically connected to this light-emitting diode lamp-plate 20; This DC-DC end switch unit 104 is electrically connected to this current sense and DC-DC power supply feeding unit 102; This DC-DC terminal voltage detecting unit 106 is electrically connected to this current sense and DC-DC power supply feeding unit 102, this DC-DC end switch unit 104 and this light-emitting diode lamp-plate 20; This AC/DC power feeding unit 108 is electrically connected to this DC-DC end switch unit 104 and this AC power feeding mechanism 30; This CPU 110 is electrically connected to this current sense and DC-DC power supply feeding unit 102, this DC-DC terminal voltage detecting unit 106, this DC-DC end switch unit 104, this light-emitting diode lamp-plate 20 and this AC/DC power feeding unit 108.In addition, between this CPU 110 and this DC-DC terminal voltage detecting unit 106, also can be connected with wireless system.
This current sense and DC-DC power supply feeding unit 102 are in order to power to this light-emitting diode lamp-plate 20 detecting current state; In the time that electric current exceedes electric current default value scope (this light-emitting diode lamp-plate 20 may damage or extremely), this current sense and DC-DC power supply feeding unit 102 are notified this CPU 110; Whereby, maintenance personal can change or keep in repair this light-emitting diode lamp-plate 20.
In addition, this DC-DC terminal voltage detecting unit 106 is in order to detect the voltage status of this current sense and DC-DC power supply feeding unit 102 and this light-emitting diode lamp-plate 20; In the time that voltage exceedes the first voltage default value scope (this current sense and DC-DC power supply feeding unit 102 may damage or extremely), or while inputing to the electric voltage exception of this current sense and DC-DC power supply feeding unit 102, this DC-DC terminal voltage detecting unit 106 is notified this CPU 110, this CPU 110 is closed this DC-DC end switch unit 104, so as to closing this current sense and DC-DC power supply feeding unit 102.Whereby, maintenance personal can change or keep in repair this current sense and DC-DC power supply feeding unit 102.
In addition, the power control system 10 of this light-emitting diode lamp-plate is also applied to light Control Server 40, and this light Control Server 40 transmits by this CPU 110 this light-emitting diode lamp-plate 20 that controls signal to of controlling these light-emitting diode lamp-plate 20 variations in light.In addition, this current sense and DC-DC power supply feeding unit 102 and this DC-DC terminal voltage detecting unit 106 are arranged on this light-emitting diode lamp-plate 20.
Please refer to Fig. 2, is the block diagram of the second embodiment of the power control system of light-emitting diode lamp-plate of the present utility model.Fig. 2 and Fig. 1 something in common repeat no more.Its difference is that the power control system 10 of this light-emitting diode lamp-plate also comprises to exchange and turns DC terminal voltage detecting unit 114, exchanges and turn DC terminal switch element 116 and at least one assembly the first time of delay 112.
This, assembly 112 was electrically connected to this current sense and DC-DC power supply feeding unit 102 and this CPU 110 the first time of delay; This interchange turns DC terminal voltage detecting unit 114 and is electrically connected to this DC-DC end switch unit 104, this AC/DC power feeding unit 108 and this CPU 110; This interchange turns DC terminal switch element 116 and is electrically connected to this AC/DC power feeding unit 108, this AC power feeding mechanism 30 and this CPU 110.
Narrate similarly with Fig. 1, in one embodiment, it is simplified illustration that the power control system 10 of this light-emitting diode lamp-plate is applied to more than two light-emitting diode lamp-plate 20(, Fig. 2 only draws this light-emitting diode lamp-plate 20), therefore corresponding this assembly the first time of delay 112 is also more than two.
This interchange turns DC terminal voltage detecting unit 114 in order to detect the voltage status of this AC/DC power feeding unit 108; In the time that voltage exceedes second voltage default value scope (this AC/DC power feeding unit 108 may damage or extremely), or while inputing to the electric voltage exception of this AC/DC power feeding unit 108, this interchange turns DC terminal voltage detecting unit 114 and notifies this CPU 110, this CPU 110 is closed this interchange and is turned DC terminal switch element 116, so as to closing this AC/DC power feeding unit 108.Whereby, maintenance personal can change or keep in repair this AC/DC power feeding unit 108.
Please refer to Fig. 3, is the block diagram of DC-DC terminal voltage detecting unit of the present utility model.This DC-DC terminal voltage detecting unit 106 comprise second time of delay assembly 10602, the first operational amplifier 10604, the second operational amplifier 10606, the first reference voltage source 10608, the second reference voltage source 10610, the first resistance 10612, the second resistance 10614 and the 3rd resistance 10616.
This first operational amplifier 10604 comprises the first operational amplifier non-inverting input 10618, the first operational amplifier inverting input 10620 and the first operational amplifier output terminal 10622; This second operational amplifier 10606 comprises the second operational amplifier non-inverting input 10624, the second operational amplifier inverting input 10626 and the second operational amplifier output terminal 10628.
This, assembly 10602 was electrically connected to this CPU 110 the second time of delay; This first operational amplifier output terminal 10622 is electrically connected to this of assembly 10602 the second time of delay; This second operational amplifier output terminal 10628 is electrically connected to this of assembly 10602 and this first operational amplifier output terminal 10622 the second time of delay; This first reference voltage source 10608 is electrically connected to this first operational amplifier inverting input 10620; This second reference voltage source 10610 is electrically connected to this second operational amplifier non-inverting input 10624; This first resistance 10612 is electrically connected to this current sense and DC-DC power supply feeding unit 102, this light-emitting diode lamp-plate 20 and this first operational amplifier non-inverting input 10618; This second resistance 10614 is electrically connected to this first resistance 10612, this first operational amplifier non-inverting input 10618 and this second operational amplifier inverting input 10626; The 3rd resistance 10616 is electrically connected to this second resistance 10614 and this second operational amplifier inverting input 10626.
Please refer to Fig. 4, for interchange of the present utility model turns the block diagram of DC terminal voltage detecting unit.This interchange turn DC terminal voltage detecting unit 114 comprise the 3rd time of delay assembly 11402, the 3rd operational amplifier 11404, four-operational amplifier 11406, the 3rd reference voltage source 11408, the 4th reference voltage source 11410, the 4th resistance 11412, the 5th resistance 11414 and the 6th resistance 11416.
The 3rd operational amplifier 11404 comprises the 3rd operational amplifier non-inverting input 11418, the 3rd operational amplifier inverting input 11420 and the 3rd operational amplifier output terminal 11422; This four-operational amplifier 11406 comprises four-operational amplifier non-inverting input 11424, four-operational amplifier inverting input 11426 and four-operational amplifier output 11428.
The 3rd time of delay assembly 11402 be electrically connected to this CPU 110; The 3rd operational amplifier output terminal 11422 be electrically connected to the 3rd time of delay assembly 11402; This four-operational amplifier output 11428 be electrically connected to the 3rd time of delay assembly 11402 and the 3rd operational amplifier output terminal 11422; The 3rd reference voltage source 11408 is electrically connected to the 3rd operational amplifier inverting input 11420; The 4th reference voltage source 11410 is electrically connected to this four-operational amplifier non-inverting input 11424; The 4th resistance 11412 is electrically connected to this DC-DC end switch unit 104, this AC/DC power feeding unit 108 and the 3rd operational amplifier non-inverting input 11418; The 5th resistance 11414 is electrically connected to the 4th resistance 11412, the 3rd operational amplifier non-inverting input 11418 and this four-operational amplifier inverting input 11426; The 6th resistance 11416 is electrically connected to the 5th resistance 11414 and this four-operational amplifier inverting input 11426.
The light-emitting diode lamp-plate that at present popular LED advertisement board comprises more than two fritter on the market, each fritter light-emitting diode lamp-plate disposes single AC/DC power supply; In order to solve the heat dissipation problem of AC/DC power supply, must on the shell of AC/DC power supply, offer through hole; But LED advertisement board is all arranged on open air mostly, on the shell of AC/DC power supply, offer through hole and easily put aside on the contrary dust and moisture invasion, AC/DC power supply is easily broken down and shorten the life-span.
The power control system of this light-emitting diode lamp-plate of the present utility model can thoroughly address the above problem; Wherein most Power Transfer Unit (exchange and turn DC electronic part) is all arranged on and is for example positioned on indoor AC/DC power supply, on the light-emitting diode lamp-plate of outdoor more than two fritter, be all the DC-DC power supply supply that belongs to simple and be arranged at, it has the advantage such as simplicity of design, little, the difficult heating of volume, also can further do the encapsulation of epoxy resin (Epoxy) encapsulating, avoid the savings dust of above-mentioned prior art and the problem of moisture invasion, to reduce fault; Even if DC-DC power supply supply, because the life-span expires and damaged, also can be replaced easily.In addition, the power control system of light-emitting diode lamp-plate of the present utility model also can monitor the state of voltage and electric current, to close, to change or to keep in repair DC-DC power supply supply, AC/DC power supply or light-emitting diode lamp-plate when undesired at voltage or electric current.
Please refer to Fig. 5, is the block diagram of the 3rd embodiment of the power control system of light-emitting diode lamp-plate of the present utility model.The power control system 10 of light-emitting diode lamp-plate is applied to power-supply unit 60 and at least one light-emitting diode lamp-plate 20.
The power control system 10 of this light-emitting diode lamp-plate comprises CPU 110 and at least one current sense and DC-DC power supply feeding unit 102.This current sense and DC-DC power supply feeding unit 102 are electrically connected to this light-emitting diode lamp-plate 20 and this power-supply unit 60; This CPU 110 is electrically connected to this current sense and DC-DC power supply feeding unit 102, this power-supply unit 60 and this light-emitting diode lamp-plate 20.
This current sense and DC-DC power supply feeding unit 102 are in order to power to this light-emitting diode lamp-plate 20 detecting current state, in the time that electric current exceedes electric current default value scope, this current sense and DC-DC power supply feeding unit 102 are notified this CPU 110.
All the other motion flows and the content of Fig. 5 are identical with above-mentioned Fig. 1～Fig. 4, therefore do not repeat them here.
Please refer to Fig. 6, is the block diagram of the 4th embodiment of the power control system of light-emitting diode lamp-plate of the present utility model.The content something in common of the content of Fig. 6 and above-mentioned Fig. 1 repeats no more, and its difference is Fig. 6 using this CPU 110 as application thing but not assembly of the present utility model.
Please refer to Fig. 7, is the block diagram of the 5th embodiment of the power control system of light-emitting diode lamp-plate of the present utility model.The content something in common of the content of Fig. 7 and above-mentioned Fig. 1 repeats no more, its difference is that this AC/DC power feeding unit 108 of Fig. 7 is digital power supply, and this current sense and DC-DC power supply feeding unit 102 are electrically connected to this AC/DC power feeding unit 108 and are not electrically connected to this CPU 110; In the time that electric current exceedes this electric current default value scope, this current sense and DC-DC power supply feeding unit 102 are notified this AC/DC power feeding unit 108, and this AC/DC power feeding unit 108 converges after whole and reinforms this CPU 110.
The above, be only illustrating of preferred embodiment of the present utility model, and not in order to limit to protection range of the present utility model, other any equivalent transformation all should belong to the application's claim scope.
Claims (10)
1. a power control system for light-emitting diode lamp-plate, is characterized in that, the power control system of this light-emitting diode lamp-plate is applied to power-supply unit and at least one light-emitting diode lamp-plate, and the power control system of this light-emitting diode lamp-plate comprises:
At least one current sense and DC-DC power supply feeding unit, this current sense and DC-DC power supply feeding unit are electrically connected to described light-emitting diode lamp-plate and described power-supply unit; And
CPU, this CPU is electrically connected to described current sense and DC-DC power supply feeding unit, described power-supply unit and described light-emitting diode lamp-plate,
Wherein said current sense and DC-DC power supply feeding unit are in order to power to described light-emitting diode lamp-plate detecting current state, in the time that electric current exceedes electric current default value scope, described current sense and DC-DC power supply feeding unit are notified described CPU.
2. a power control system for light-emitting diode lamp-plate, is characterized in that, the power control system of this light-emitting diode lamp-plate is applied to AC power feeding mechanism and at least one light-emitting diode lamp-plate, and the power control system of this light-emitting diode lamp-plate comprises:
At least one current sense and DC-DC power supply feeding unit, this current sense and DC-DC power supply feeding unit are electrically connected to described light-emitting diode lamp-plate;
At least one DC-DC end switch unit, this DC-DC end switch unit is electrically connected to described current sense and DC-DC power supply feeding unit;
At least one DC-DC terminal voltage detecting unit, this DC-DC terminal voltage detecting unit is electrically connected to described current sense and DC-DC power supply feeding unit, described DC-DC end switch unit and described light-emitting diode lamp-plate;
AC/DC power feeding unit, this AC/DC power feeding unit is electrically connected to described DC-DC end switch unit and described AC power feeding mechanism; And
CPU, this CPU is electrically connected to described current sense and DC-DC power supply feeding unit, described DC-DC terminal voltage detecting unit, described DC-DC end switch unit, described light-emitting diode lamp-plate and described AC/DC power feeding unit
Wherein said current sense and DC-DC power supply feeding unit are in order to power to described light-emitting diode lamp-plate detecting current state, in the time that electric current exceedes electric current default value scope, described current sense and DC-DC power supply feeding unit are notified described CPU;
Wherein said DC-DC terminal voltage detecting unit is in order to detect the voltage status of described current sense and DC-DC power supply feeding unit and described light-emitting diode lamp-plate, in the time that voltage exceedes the first voltage default value scope, described DC-DC terminal voltage detecting unit is notified described CPU, described CPU is closed described DC-DC end switch unit, so as to closing described current sense and DC-DC power supply feeding unit.
3. the power control system of light-emitting diode lamp-plate as claimed in claim 2, is characterized in that, the power control system of this light-emitting diode lamp-plate also comprises:
At least one first time of delay assembly, this, assembly was electrically connected to described current sense and DC-DC power supply feeding unit and described CPU the first time of delay;
Interchange turns DC terminal voltage detecting unit, and this interchange turns DC terminal voltage detecting unit and is electrically connected to described DC-DC end switch unit, described AC/DC power feeding unit and described CPU; And
Interchange turns DC terminal switch element, and this interchange turns DC terminal switch element and is electrically connected to described AC/DC power feeding unit, described AC power feeding mechanism and described CPU,
Wherein said interchange turns DC terminal voltage detecting unit in order to detect the voltage status of described AC/DC power feeding unit, in the time that voltage exceedes second voltage default value scope, described interchange turns DC terminal voltage detecting unit and notifies described CPU, described CPU is closed described interchange and is turned DC terminal switch element, so as to closing described AC/DC power feeding unit.
4. the power control system of light-emitting diode lamp-plate as claimed in claim 3, is characterized in that, described DC-DC terminal voltage detecting unit comprises:
Second time of delay assembly, this, assembly was electrically connected to described CPU the second time of delay;
The first operational amplifier, this first operational amplifier comprises the first operational amplifier non-inverting input, the first operational amplifier inverting input and the first operational amplifier output terminal, described the first operational amplifier output terminal be electrically connected to described second time of delay assembly;
The second operational amplifier, this second operational amplifier comprises the second operational amplifier non-inverting input, the second operational amplifier inverting input and the second operational amplifier output terminal, described the second operational amplifier output terminal be electrically connected to described second time of delay assembly and described the first operational amplifier output terminal;
The first reference voltage source, this first reference voltage source is electrically connected to described the first operational amplifier inverting input; And
The second reference voltage source, this second reference voltage source is electrically connected to described the second operational amplifier non-inverting input.
5. the power control system of light-emitting diode lamp-plate as claimed in claim 4, is characterized in that, described DC-DC terminal voltage detecting unit also comprises:
The first resistance, this first resistance is electrically connected to described current sense and DC-DC power supply feeding unit, described light-emitting diode lamp-plate and described the first operational amplifier non-inverting input;
The second resistance, this second resistance is electrically connected to described the first resistance, described the first operational amplifier non-inverting input and described the second operational amplifier inverting input; And
The 3rd resistance, the 3rd resistance is electrically connected to described the second resistance and described the second operational amplifier inverting input.
6. the power control system of light-emitting diode lamp-plate as claimed in claim 5, is characterized in that, described interchange turns DC terminal voltage detecting unit and comprises:
The 3rd time of delay assembly, the 3rd time of delay assembly be electrically connected to described CPU;
The 3rd operational amplifier, the 3rd operational amplifier comprises the 3rd operational amplifier non-inverting input, the 3rd operational amplifier inverting input and the 3rd operational amplifier output terminal, described the 3rd operational amplifier output terminal be electrically connected to described the 3rd time of delay assembly;
Four-operational amplifier, this four-operational amplifier comprises four-operational amplifier non-inverting input, four-operational amplifier inverting input and four-operational amplifier output, described four-operational amplifier output be electrically connected to described the 3rd time of delay assembly and described the 3rd operational amplifier output terminal;
The 3rd reference voltage source, the 3rd reference voltage source is electrically connected to described the 3rd operational amplifier inverting input; And
The 4th reference voltage source, the 4th reference voltage source is electrically connected to described four-operational amplifier non-inverting input.
7. the power control system of light-emitting diode lamp-plate as claimed in claim 6, is characterized in that, described interchange turns DC terminal voltage detecting unit and also comprises:
The 4th resistance, the 4th resistance is electrically connected to described DC-DC end switch unit, described AC/DC power feeding unit and described the 3rd operational amplifier non-inverting input;
The 5th resistance, the 5th resistance is electrically connected to described the 4th resistance, described the 3rd operational amplifier non-inverting input and described four-operational amplifier inverting input; And
The 6th resistance, the 6th resistance is electrically connected to described the 5th resistance and described four-operational amplifier inverting input.
8. the power control system of light-emitting diode lamp-plate as claimed in claim 7, is characterized in that, described current sense and DC-DC power supply feeding unit and described DC-DC terminal voltage detecting unit are arranged on described light-emitting diode lamp-plate; Described light-emitting diode lamp-plate, described current sense and DC-DC power supply feeding unit, described DC-DC end switch unit, described DC-DC terminal voltage detecting unit and described first time of delay assembly quantity be more than two.
9. the power control system of a light-emitting diode lamp-plate, it is characterized in that, the power control system of this light-emitting diode lamp-plate is applied to CPU, AC power feeding mechanism and at least one light-emitting diode lamp-plate, and the power control system of this light-emitting diode lamp-plate comprises:
At least one current sense and DC-DC power supply feeding unit, this current sense and DC-DC power supply feeding unit are electrically connected to described light-emitting diode lamp-plate;
At least one DC-DC end switch unit, this DC-DC end switch unit is electrically connected to described current sense and DC-DC power supply feeding unit;
At least one DC-DC terminal voltage detecting unit, this DC-DC terminal voltage detecting unit is electrically connected to described current sense and DC-DC power supply feeding unit, described DC-DC end switch unit and described light-emitting diode lamp-plate; And
AC/DC power feeding unit, this AC/DC power feeding unit is electrically connected to described DC-DC end switch unit and described AC power feeding mechanism,
Wherein said CPU is electrically connected to described current sense and DC-DC power supply feeding unit, described DC-DC terminal voltage detecting unit, described DC-DC end switch unit, described light-emitting diode lamp-plate and described AC/DC power feeding unit;
Wherein said current sense and DC-DC power supply feeding unit are in order to power to described light-emitting diode lamp-plate detecting current state, in the time that electric current exceedes electric current default value scope, described current sense and DC-DC power supply feeding unit are notified described CPU;
Wherein said DC-DC terminal voltage detecting unit is in order to detect the voltage status of described current sense and DC-DC power supply feeding unit and described light-emitting diode lamp-plate, in the time that voltage exceedes the first voltage default value scope, described DC-DC terminal voltage detecting unit is notified described CPU, described CPU is closed described DC-DC end switch unit, so as to closing described current sense and DC-DC power supply feeding unit.
10. the power control system of a light-emitting diode lamp-plate, it is characterized in that, the power control system of this light-emitting diode lamp-plate is applied to AC power feeding mechanism and at least one light-emitting diode lamp-plate, and the power control system of this light-emitting diode lamp-plate comprises:
At least one current sense and DC-DC power supply feeding unit, this current sense and DC-DC power supply feeding unit are electrically connected to described light-emitting diode lamp-plate;
At least one DC-DC end switch unit, this DC-DC end switch unit is electrically connected to described current sense and DC-DC power supply feeding unit;
At least one DC-DC terminal voltage detecting unit, this DC-DC terminal voltage detecting unit is electrically connected to described current sense and DC-DC power supply feeding unit, described DC-DC end switch unit and described light-emitting diode lamp-plate;
AC/DC power feeding unit, this AC/DC power feeding unit is electrically connected to described current sense and DC-DC power supply feeding unit, described DC-DC end switch unit and described AC power feeding mechanism, and described AC/DC power feeding unit is digital power supply; And
CPU, this CPU is electrically connected to described DC-DC terminal voltage detecting unit, described DC-DC end switch unit, described light-emitting diode lamp-plate and described AC/DC power feeding unit,
Wherein said current sense and DC-DC power supply feeding unit are in order to power to described light-emitting diode lamp-plate detecting current state, in the time that electric current exceedes electric current default value scope, described current sense and DC-DC power supply feeding unit are notified described AC/DC power feeding unit, and described AC/DC power feeding unit reinforms described CPU;
Wherein said DC-DC terminal voltage detecting unit is in order to detect the voltage status of described current sense and DC-DC power supply feeding unit and described light-emitting diode lamp-plate, in the time that voltage exceedes the first voltage default value scope, described DC-DC terminal voltage detecting unit is notified described CPU, described CPU is closed described DC-DC end switch unit, so as to closing described current sense and DC-DC power supply feeding unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320831100.XU CN203645880U (en) | 2013-12-16 | 2013-12-16 | Power supply control system of light emitting diode lamp panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320831100.XU CN203645880U (en) | 2013-12-16 | 2013-12-16 | Power supply control system of light emitting diode lamp panel |
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| Publication Number | Publication Date |
|---|---|
| CN203645880U true CN203645880U (en) | 2014-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320831100.XU Expired - Fee Related CN203645880U (en) | 2013-12-16 | 2013-12-16 | Power supply control system of light emitting diode lamp panel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111739460A (en) * | 2019-03-19 | 2020-10-02 | 西安诺瓦电子科技有限公司 | Display control device and display system |
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- 2013-12-16 CN CN201320831100.XU patent/CN203645880U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111739460A (en) * | 2019-03-19 | 2020-10-02 | 西安诺瓦电子科技有限公司 | Display control device and display system |
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