CN104518669A - Power supply circuit and display device - Google Patents
Power supply circuit and display device Download PDFInfo
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- CN104518669A CN104518669A CN201510037553.9A CN201510037553A CN104518669A CN 104518669 A CN104518669 A CN 104518669A CN 201510037553 A CN201510037553 A CN 201510037553A CN 104518669 A CN104518669 A CN 104518669A
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- 238000004891 communication Methods 0.000 claims abstract description 31
- 230000006698 induction Effects 0.000 claims description 61
- 230000009466 transformation Effects 0.000 claims description 27
- 239000003990 capacitor Substances 0.000 claims description 16
- 239000004065 semiconductor Substances 0.000 claims description 12
- 230000009467 reduction Effects 0.000 claims description 9
- 239000011324 bead Substances 0.000 claims description 8
- 230000033228 biological regulation Effects 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000035807 sensation Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The invention provides a power supply circuit and a display device. The power supply circuit comprises a communication interface and a voltage converting module, wherein an input pin of the communication interface is connected to an outside voltage signal; the voltage converting module is connected with an output pin of the communication interface to be used for converting the outside voltage signal into a preset voltage signal. The power supply circuit and the display device, disclosed by the invention, multiplex the communication interface as a power supply interface to be connected with the outside voltage signal, so that a space is saved, and the voltage converting module can be used for converting the outside voltage signal into the preset voltage signal to be used for power supply for interfaces.
Description
Technical field
The present invention relates to Display Technique field, particularly relate to a kind of power supply circuits and display unit.
Background technology
Existing display unit needs the power supply of 5V (volt) and 12V usually, most several power panel be separated that adopts comes into carrying out powering and communicating with communication board, comprise power interface, 5V switching interface, 5V changer input interface, 12V translation interface, 12V change over switch interface, communication interface etc. in this Multifunctional adaptor board plate, Multifunctional adaptor board is integrated on one piece of circuit board voltage transitions interface and communication interface.But the Multifunctional adaptor board that existing display unit adopts needs special power interface, can not multiplexed communications interface, cause the interface that adopts too much.
Summary of the invention
Main purpose of the present invention is to provide a kind of power supply circuits and display unit, the Multifunctional adaptor board that the display unit solving prior art adopts needs special power interface, can not multiplexed communications interface, the several power panel causing needs to adopt being separated and communication board carry out the problem into carrying out powering and communicating.
In order to achieve the above object, the invention provides a kind of power supply circuits, comprising: communication interface and voltage transformation module, wherein,
The input pin access external voltage signal of described communication interface;
Described voltage transformation module, is connected with the output pin of described communication interface, for this external voltage signal is converted to predetermined voltage signals.
During enforcement, described power supply circuits also comprise:
Switch interface, is connected between the output pin of described communication interface and described voltage transformation module, for controlling the connection opened or turn off between described communication interface and described voltage transformation module.
During enforcement, described power supply circuits also comprise:
Switch interface, is connected between the predetermined voltage signals output of described voltage transformation module and external interface, for controlling the connection opened or turn off between the predetermined voltage signals output of described voltage transformation module and external interface.
During enforcement, described communication interface is RS485 interface or RS232 interface.
During enforcement, described predetermined voltage signals is 12V voltage signal;
Described power supply circuits also comprise: voltage reduction module, for described 12V voltage signal is converted to 5V voltage signal.
Present invention also offers a kind of display unit, comprise above-mentioned power supply circuits.
During enforcement, described display unit also comprises touch drive plate interface and touches drive plate, and described 5V voltage signal accesses described touch drive plate by described touch drive plate interface, thinks that described touch drive plate is powered.
During enforcement, described display unit also comprises display driver plate interface and display driver plate, and described predetermined voltage signals accesses described display driver plate by described display driver plate interface, thinks that described display driver plate is powered.
During enforcement, described display unit also comprises infrared induction interface, constant time lag interface, infrared induction module, constant time lag module and display floater, wherein,
Described predetermined voltage signals accesses described infrared induction module by described infrared induction interface, thinks described infrared induction module for power supply;
Described predetermined voltage signals accesses described constant time lag module by described constant time lag interface, thinks described constant time lag module for power supply;
Described infrared induction module, for sending corresponding infrared induction level according to infrared induction signal;
Described constant time lag module is that described display driver plate is powered for whether adopting described predetermined voltage signals after delay scheduled time according to this infrared induction level.
During enforcement, described infrared induction module, specifically for sending corresponding infrared induction level according to infrared induction signal;
Described constant time lag module, comprises 555 timers and power-supplying circuit, wherein,
The described infrared induction level access low triggering end of described 555 timers and the high-triggering end of described 555 timers;
The external power supply end of described 555 timers and the reset terminal of described 555 timers all access described predetermined voltage signals;
The output of described 555 timers is connected with the feeder ear of described display driver plate by described power-supplying circuit;
Described power-supplying circuit, access described predetermined control signal, whether after delay scheduled time, adopt described predetermined voltage signals to be that the drive plate of described display floater is powered for controlling according to the output signal from the output of described 555 timers, the drive plate of display floater is powered for display floater and provides signal.
During enforcement, described power-supplying circuit comprises control triode, controls metal-oxide-semiconductor, the first resistance, the second resistance, the 3rd resistance, magnetic bead, the first electric capacity and the first electrochemical capacitor, wherein,
Described control triode, base stage is connected with the output of described 555 timers by described first resistance, and collector electrode accesses described predetermined voltage signals, grounded emitter by described second resistance;
Control metal-oxide-semiconductor, grid is connected by the collector electrode of described three resistance with described control triode, the described predetermined voltage signals of drain electrode access, and source electrode is connected with the feeder ear of described display driver plate by described magnetic bead;
Described first electric capacity, first end accesses described predetermined voltage signals, and the second end is connected with the grid of described control metal-oxide-semiconductor;
The feeder ear of described display driver plate is by described first electrochemical capacitor ground connection.
During enforcement, described constant time lag module also comprises the 4th resistance, the 5th resistance, the second electric capacity, the 3rd electric capacity and the second electrochemical capacitor, wherein,
The low triggering end of described 555 timers and the high-triggering end of described 555 timers, be connected with the infrared induction level output end of described infrared induction module by described 4th resistance, also by described second electrochemical capacitor ground connection;
The external power supply end of described 555 timers and the reset terminal of described 555 timers all pass through described second capacity earth;
Described 5th resistance is connected with between the external power supply end of described 555 timers and the high-triggering end of described 555 timers;
The control voltage end of described 555 timers is by described 3rd capacity earth.
Compared with prior art, power supply circuits of the present invention and display unit multiplexed communications interface access external voltage signal as power interface, save space, and external voltage signal can be converted to predetermined voltage signals by voltage transformation module and power to each interface.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the power supply circuits described in the embodiment of the present invention;
Fig. 2 is the structured flowchart of the power supply circuits described in the present invention one preferred embodiment;
Fig. 3 is the structured flowchart of the power supply circuits described in another preferred embodiment of the present invention;
Fig. 4 is the structured flowchart of the power supply circuits described in the present invention one specific embodiment;
Fig. 5 is the circuit diagram of the constant time lag module that comprises of a specific embodiment of display unit of the present invention and power-supplying circuit.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
As shown in Figure 1, the power supply circuits described in the embodiment of the present invention, comprising: communication interface 11 and voltage transformation module 12, wherein,
The input pin access external voltage signal of described communication interface 11;
Described voltage transformation module 12, is connected with the output pin of described communication interface 11, for this external voltage signal is converted to predetermined voltage signals.
Power supply circuits multiplexed communications interface of the present invention accesses external voltage signal as power interface, saves space, and external voltage signal can be converted to predetermined voltage signals by voltage transformation module and power to each interface.
Preferably, described voltage transformation module 12, before external voltage signal is converted to predetermined voltage signals, also carries out voltage regulation filtering to described external voltage signal.
In the specific implementation, described communication interface can be RS485 interface or RS232 interface.
As shown in Figure 2, in a preferred embodiment, described power supply circuits also comprise:
Switch interface 13, between the output pin being connected to described communication interface 11 and described voltage transformation module 12, for controlling the connection opened or turn off between described communication interface 11 and described voltage transformation module 12.
The embodiment of the present invention's power supply circuits as shown in Figure 2 owing to being provided with switch interface 13 between communication interface 11 and voltage transformation module 12, can easily control whether to change external voltage signal.
As shown in Figure 3, in a preferred embodiment, described power supply circuits also comprise:
Switch interface 14, between the predetermined voltage signals output being connected to described voltage transformation module 12 and external interface, for controlling the connection opened or turn off between the predetermined voltage signals output of described voltage transformation module 12 and external interface.
The embodiment of the present invention's power supply circuits is as shown in Figure 3 provided with switch interface 14 between the predetermined voltage signals output and external interface of described voltage transformation module 12, can easily control whether the predetermined voltage signals be converted to be sent to external interface.
When practical operation, described external interface can be display driver plate interface, infrared induction interface or constant time lag interface.
In the specific implementation, described external voltage signal can be 24V voltage signal, and described predetermined voltage signals can be 12V voltage signal.
In the specific implementation, described predetermined voltage signals is 12V voltage signal;
Described power supply circuits also comprise: voltage reduction module, for described 12V voltage signal is converted to 5V voltage signal, and described 5V voltage signal are sent to touch drive plate interface.
According to a specific embodiment, power supply circuits of the present invention are described below.
As shown in Figure 4, power supply circuits described in the present invention one specific embodiment comprise RS485 interface 41, for by be converted to after 24V voltage signal voltage regulation filtering the voltage transformation module 42 of 12V voltage signal, switch interface 43, display driver plate interface 44, infrared induction interface 45, constant time lag interface 46, be used for 12V voltage signal to be converted to 5V voltage signal voltage reduction module 47 and touch drive plate interface 48, wherein
24V voltage signal accesses voltage transformation module 42 through RS485 interface 41;
The 12V voltage signal that voltage transformation module 42 exports accesses described switch interface 43;
Described switch interface 43 is also connected with described display driver plate interface 44, described infrared induction interface 45, described constant time lag interface 46 and described voltage reduction module 47 respectively;
The 5V voltage signal output end of described voltage reduction module 47 is connected with described touch drive plate interface 48;
Described switch interface is used for controlling whether 12V voltage signal is sent to display driver plate interface 44, infrared induction interface 45, constant time lag interface 46 and voltage reduction module 47.
The multiplexing RS485 interface 41 of power supply circuits described in this specific embodiment of the present invention is as power interface access 24V voltage signal, save space, and 12V voltage signal can be converted to by voltage transformation module 42 by after 24V voltage signal voltage regulation filtering, described switch interface 43 controls whether described 12V voltage signal to be accessed described display driver plate interface 44, described infrared induction interface 45, described constant time lag interface 46 and described voltage reduction module 47, described voltage reduction module 47 just 12V voltage signal is converted to 5V voltage signal, and described 5V voltage signal is sent to described touch drive plate interface 48.
Display unit described in the embodiment of the present invention comprises above-mentioned power supply circuits.
Concrete, described display unit also comprises touch drive plate interface and touches drive plate, and described 5V voltage signal accesses described touch drive plate by described touch drive plate interface, thinks that described touch drive plate is powered.
Concrete, described display unit also comprises display driver plate interface and display driver plate, and described predetermined voltage signals accesses described display driver plate by described display driver plate interface, thinks that described display driver plate is powered.
In a preferred embodiment, described display unit also comprises infrared induction interface, constant time lag interface, infrared induction module, constant time lag module and display floater, wherein,
Described predetermined voltage signals accesses described infrared induction module by described infrared induction interface, thinks described infrared induction module for power supply;
Described predetermined voltage signals accesses described constant time lag module by described constant time lag interface, thinks described constant time lag module for power supply;
Described infrared induction module, for sending corresponding infrared induction level according to infrared induction signal;
Described constant time lag module is that described display driver plate is powered for whether adopting described predetermined voltage signals after delay scheduled time according to this infrared induction level.
Display unit described in this preferred embodiment of the present invention adopts infrared induction module and constant time lag module to realize the control of the open and close to display floater, automatically can respond to control, saves electric energy.
Concrete, described infrared induction module, specifically for sending corresponding infrared induction level according to infrared induction signal;
Described constant time lag module, comprises 555 timers and power-supplying circuit, wherein,
The described infrared induction level access low triggering end of described 555 timers and the high-triggering end of described 555 timers;
The external power supply end of described 555 timers and the reset terminal of described 555 timers all access described predetermined voltage signals;
The output of described 555 timers is connected with the feeder ear of described display driver plate by described power-supplying circuit;
Whether described power-supplying circuit, accesses described predetermined control signal, for controlling to adopt described predetermined voltage signals to be that described display driver plate is powered after delay scheduled time according to the output signal from the output of described 555 timers.
Concrete, described power-supplying circuit comprises control triode, controls metal-oxide-semiconductor, the first resistance, the second resistance, the 3rd resistance, magnetic bead, the first electric capacity and the first electrochemical capacitor, wherein,
Described control triode, base stage is connected with the output of described 555 timers by described first resistance, and collector electrode accesses described predetermined voltage signals, grounded emitter by described second resistance;
Control metal-oxide-semiconductor, grid is connected by the collector electrode of described three resistance with described control triode, the described predetermined voltage signals of drain electrode access, and source electrode is connected with the feeder ear of described display driver plate by described magnetic bead;
Described first electric capacity, first end accesses described predetermined voltage signals, and the second end is connected with the grid of described control metal-oxide-semiconductor;
The feeder ear of described display driver plate is by described first electrochemical capacitor ground connection.
Concrete, described constant time lag module also comprises the 4th resistance, the 5th resistance, the second electric capacity, the 3rd electric capacity and the second electrochemical capacitor, wherein,
The low triggering end of described 555 timers and the high-triggering end of described 555 timers, be connected with the infrared induction level output end of described infrared induction module by described 4th resistance, also by described second electrochemical capacitor ground connection;
The external power supply end of described 555 timers and the reset terminal of described 555 timers all pass through described second capacity earth;
Described 5th resistance is connected with between the external power supply end of described 555 timers and the high-triggering end of described 555 timers;
The control voltage end of described 555 timers is by described 3rd capacity earth.
Structure and the connection of the power-supplying circuit that display unit of the present invention comprises and constant time lag module are described according to a specific embodiment below:
As shown in Figure 5, in a specific embodiment of display unit of the present invention,
Described infrared induction module (not shown in Fig. 5), specifically for sending corresponding infrared induction level CTRL according to infrared induction signal;
Described constant time lag module, comprises 555 timer SA555D and power-supplying circuits, wherein,
Described infrared induction level accesses the low triggering end TRIG of described 555 timer SA555D and the high-triggering end THRES of described 555 timers by the infrared induction level output end CTRL of described infrared induction module;
The external power supply end VCC of described 555 timer SA555D and the reset terminal RST of described 555 timer SA555D accesses described 12V voltage signal 12VIN;
The output OUT of described 555 timers is connected with the feeder ear of described display driver plate by described power-supplying circuit;
Described power-supplying circuit, access described 12V voltage signal 12VIN, for controlling whether to adopt described 12V voltage signal 12VIN to be that described display driver plate is powered after delay scheduled time according to the output signal from the output OUT of described 555 timer SA555D;
Described power-supplying circuit comprises control triode Q1, controls metal-oxide-semiconductor Q2, the first resistance R1, the second resistance R2, the 3rd resistance R3, magnetic bead FB1, the first electric capacity C1 and the first electrochemical capacitor CA1, wherein,
Described control triode Q1, base stage is connected with the output OUT of described 555 timer SA555D by described first resistance R1, and collector electrode accesses described 12V voltage signal 12VIN by described second resistance R2, grounded emitter;
Described control metal-oxide-semiconductor Q2, grid is connected with the collector electrode of described control triode Q1 by described three resistance R3, the described 12V voltage signal 12VIN of drain electrode access, and source electrode is connected with the feeder ear VI of described display driver plate by described magnetic bead FB1;
Described first electric capacity C1, first end accesses described 12V voltage signal 12VIN, and the second end is connected with the grid of described control metal-oxide-semiconductor Q2;
The feeder ear VI of described display driver plate is by described first electrochemical capacitor CA1 ground connection;
Described constant time lag module also comprises the 4th resistance R4, the 5th resistance R5, the second electric capacity C2, the 3rd electric capacity C3 and the second electrochemical capacitor CA2, wherein,
The low triggering end TRIG of described 555 timer SA555D and the high-triggering end THRES of described 555 timer SA555D, be connected with the infrared induction level output end CTRL of described infrared induction module by described 4th resistance R4, also by described second electrochemical capacitor CA2 ground connection;
The external power supply end VCC of described 555 timer SA555D and the reset terminal RST of described 555 timers passes through described second electric capacity C2 ground connection;
Described 5th resistance R5 is connected with between the external power supply end VCC of described 555 timer SA555D and the high-triggering end THRES of described 555 timers;
The control voltage end CONT of described 555 timer SA555D is by described 3rd electric capacity C3 ground connection;
The earth terminal GND ground connection of described 555 timer SA555D;
The discharge end DISCH of described 555 timer SA555D is unsettled.
Display unit described in this specific embodiment of the present invention operationally, 555 timer SA555D can be adopted to carry out the control of the open and close of display floater by infrared light sensation, concrete, when the output OUT of described 555 timer SA555D exports high level under the control of described infrared induction level CTRL after the scheduled time, Q1 conducting, thus control to make Q2 conducting, thus control feeder ear VI 12V voltage signal being sent to described display driver plate after the scheduled time, when the output OUT of described 555 timer SA555D is under the control of described infrared induction level CTRL during output low level, Q1 and Q2 disconnects, thus adopt 555 timer SA555D to carry out the control of the closedown of display floater by infrared light sensation.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from principle of the present invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (12)
1. power supply circuits, is characterized in that, comprising: communication interface and voltage transformation module, wherein,
The input pin access external voltage signal of described communication interface;
Described voltage transformation module, is connected with the output pin of described communication interface, for this external voltage signal is converted to predetermined voltage signals.
2. power supply circuits as claimed in claim 1, it is characterized in that, described power supply circuits also comprise:
Switch interface, is connected between the output pin of described communication interface and described voltage transformation module, for controlling the connection opened or turn off between described communication interface and described voltage transformation module.
3. power supply circuits as claimed in claim 1, it is characterized in that, described power supply circuits also comprise:
Switch interface, is connected between the predetermined voltage signals output of described voltage transformation module and external interface, for controlling the connection opened or turn off between the predetermined voltage signals output of described voltage transformation module and external interface.
4. the power supply circuits as described in claim arbitrary in claims 1 to 3, is characterized in that, described communication interface is RS485 interface or RS232 interface.
5. the power supply circuits as described in claim arbitrary in claims 1 to 3, is characterized in that, described predetermined voltage signals is 12V voltage signal;
Described power supply circuits also comprise: voltage reduction module, for described 12V voltage signal is converted to 5V voltage signal.
6. a display unit, is characterized in that, comprises the power supply circuits as described in claim arbitrary in claim 1 to 5.
7. display unit as claimed in claim 6, it is characterized in that, described display unit also comprises touch drive plate interface and touches drive plate, and described 5V voltage signal accesses described touch drive plate by described touch drive plate interface, thinks that described touch drive plate is powered.
8. display unit as claimed in claim 6, it is characterized in that, described display unit also comprises display driver plate interface and display driver plate, and described predetermined voltage signals accesses described display driver plate by described display driver plate interface, thinks that described display driver plate is powered.
9. the display unit as described in claim arbitrary in claim 6 to 8, is characterized in that, described display unit also comprises infrared induction interface, constant time lag interface, infrared induction module, constant time lag module and display floater, wherein,
Described predetermined voltage signals accesses described infrared induction module by described infrared induction interface, thinks described infrared induction module for power supply;
Described predetermined voltage signals accesses described constant time lag module by described constant time lag interface, thinks described constant time lag module for power supply;
Described infrared induction module, for sending corresponding infrared induction level according to infrared induction signal;
Described constant time lag module is that described display driver plate is powered for whether adopting described predetermined voltage signals after delay scheduled time according to this infrared induction level.
10. display unit as claimed in claim 9, is characterized in that,
Described infrared induction module, specifically for sending corresponding infrared induction level according to infrared induction signal;
Described constant time lag module, comprises 555 timers and power-supplying circuit, wherein,
The described infrared induction level access low triggering end of described 555 timers and the high-triggering end of described 555 timers;
The external power supply end of described 555 timers and the reset terminal of described 555 timers all access described predetermined voltage signals;
The output of described 555 timers is connected with the feeder ear of described display driver plate by described power-supplying circuit;
Described power-supplying circuit, access described predetermined control signal, whether after delay scheduled time, adopt described predetermined voltage signals to be that the drive plate of described display floater is powered for controlling according to the output signal from the output of described 555 timers, the drive plate of display floater is powered for display floater and provides signal.
11. display unit as claimed in claim 10, is characterized in that, described power-supplying circuit comprises control triode, controls metal-oxide-semiconductor, the first resistance, the second resistance, the 3rd resistance, magnetic bead, the first electric capacity and the first electrochemical capacitor, wherein,
Described control triode, base stage is connected with the output of described 555 timers by described first resistance, and collector electrode accesses described predetermined voltage signals, grounded emitter by described second resistance;
Control metal-oxide-semiconductor, grid is connected by the collector electrode of described three resistance with described control triode, the described predetermined voltage signals of drain electrode access, and source electrode is connected with the feeder ear of described display driver plate by described magnetic bead;
Described first electric capacity, first end accesses described predetermined voltage signals, and the second end is connected with the grid of described control metal-oxide-semiconductor;
The feeder ear of described display driver plate is by described first electrochemical capacitor ground connection.
12. display unit as claimed in claim 11, is characterized in that, described constant time lag module also comprises the 4th resistance, the 5th resistance, the second electric capacity, the 3rd electric capacity and the second electrochemical capacitor, wherein,
The low triggering end of described 555 timers and the high-triggering end of described 555 timers, be connected with the infrared induction level output end of described infrared induction module by described 4th resistance, also by described second electrochemical capacitor ground connection;
The external power supply end of described 555 timers and the reset terminal of described 555 timers all pass through described second capacity earth;
Described 5th resistance is connected with between the external power supply end of described 555 timers and the high-triggering end of described 555 timers;
The control voltage end of described 555 timers is by described 3rd capacity earth.
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| CN201510037553.9A CN104518669B (en) | 2015-01-26 | 2015-01-26 | Power supply circuits and display device |
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| CN201510037553.9A CN104518669B (en) | 2015-01-26 | 2015-01-26 | Power supply circuits and display device |
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| CN104518669A true CN104518669A (en) | 2015-04-15 |
| CN104518669B CN104518669B (en) | 2017-03-29 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002101558A (en) * | 2000-09-26 | 2002-04-05 | Matsushita Electric Works Ltd | Electric power supply feeder and electric power supply feed system and method of support for electric power supply feed system |
| CN1954284A (en) * | 2004-04-13 | 2007-04-25 | 电能法亚公司 | Integrated power supply system |
| CN101997240A (en) * | 2009-08-12 | 2011-03-30 | 吴伟萍 | Self-power off power socket of electric vehicle charger |
| CN102545587A (en) * | 2010-12-17 | 2012-07-04 | Nxp股份有限公司 | Power supply circuit with shared functionality and method for operating the power supply circuit |
| US20140320083A1 (en) * | 2011-11-21 | 2014-10-30 | Panasonic Corporation | Power converter |
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2015
- 2015-01-26 CN CN201510037553.9A patent/CN104518669B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002101558A (en) * | 2000-09-26 | 2002-04-05 | Matsushita Electric Works Ltd | Electric power supply feeder and electric power supply feed system and method of support for electric power supply feed system |
| CN1954284A (en) * | 2004-04-13 | 2007-04-25 | 电能法亚公司 | Integrated power supply system |
| CN101997240A (en) * | 2009-08-12 | 2011-03-30 | 吴伟萍 | Self-power off power socket of electric vehicle charger |
| CN102545587A (en) * | 2010-12-17 | 2012-07-04 | Nxp股份有限公司 | Power supply circuit with shared functionality and method for operating the power supply circuit |
| US20140320083A1 (en) * | 2011-11-21 | 2014-10-30 | Panasonic Corporation | Power converter |
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| CN104518669B (en) | 2017-03-29 |
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