CN102361406B - Inverter system and display device thereof - Google Patents

Inverter system and display device thereof Download PDF

Info

Publication number
CN102361406B
CN102361406B CN2011103351025A CN201110335102A CN102361406B CN 102361406 B CN102361406 B CN 102361406B CN 2011103351025 A CN2011103351025 A CN 2011103351025A CN 201110335102 A CN201110335102 A CN 201110335102A CN 102361406 B CN102361406 B CN 102361406B
Authority
CN
China
Prior art keywords
circuit
resistance
dormancy
control circuit
triode
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN2011103351025A
Other languages
Chinese (zh)
Other versions
CN102361406A (en
Inventor
陆元成
洪伟弼
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
New Focus Lighting and Power Technology Shanghai Co Ltd
Original Assignee
New Focus Lighting and Power Technology Shanghai Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by New Focus Lighting and Power Technology Shanghai Co Ltd filed Critical New Focus Lighting and Power Technology Shanghai Co Ltd
Priority to CN2011103351025A priority Critical patent/CN102361406B/en
Publication of CN102361406A publication Critical patent/CN102361406A/en
Priority to PCT/CN2012/071659 priority patent/WO2013060108A1/en
Application granted granted Critical
Publication of CN102361406B publication Critical patent/CN102361406B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS 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
    • H02M7/00Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/003Constructional details, e.g. physical layout, assembly, wiring or busbar connections
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS 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
    • H02M1/00Details of apparatus for conversion
    • H02M1/0003Details of control, feedback or regulation circuits
    • H02M1/0032Control circuits allowing low power mode operation, e.g. in standby mode
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/10Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes

Abstract

The invention discloses an inverter system and a display device thereof. The display device is applied to the inverter system with an inverter host machine. The display device at least comprises a display module, a display driving circuit, a connecting circuit, a dormancy control circuit, a dormancy indicating circuit, a power supply control circuit and a voltage-stabilizing circuit. Due to the dormancy indicating circuit and the dormancy control circuit, the display device displays a sleep state when a switch is turned off and the inverter host machine is load-free and enters a dormancy state; furthermore, the whole display device only loses extremely low sleep retaining current, so the power consumption is reduced; meanwhile, the inverter host machine and the display device is connected together by using a signal line for series communication, so that the display device can be arranged remotely; and a user can observe and use the display device conveniently.

Description

Inversion system and display unit thereof
Technical field
The present invention relates to a kind of inversion system and display unit thereof, particularly relate to a kind of inversion system and display unit thereof of tool sleep function.
Background technology
Whether the inverter of current existing dc-battery supply and AC AC output, need control its work with switch usually, when switch forgets while cutting out, and even without load, also can the certain electric power of loss.High-power inverter can be installed on the shelter, ground usually in addition, its machine shell panel with display unit (as LED, being used for showing input voltage power output etc.) usually be difficult to be observed easily.
Summary of the invention
For the inverter that overcomes above-mentioned prior art exist when non-loaded can the certain electric power of loss and display unit be difficult to convenient problem of observing, main purpose of the present invention is to provide a kind of inversion system and display unit thereof, it has not only realized dormancy and dormancy deixis, the very little electric current of loss only while making the inversion main frame non-loaded, and by display unit is connected to the inversion main frame by the holding wire for serial communication, but make this display unit Remote Installation, be convenient to the user and observe.
For reaching above-mentioned and other purpose, a kind of display unit of the present invention, be applied to one and have in the inversion system of inversion main frame, comprises at least:
Show module;
Display driver circuit, be connected with an interface circuit by some data wires, shows module displays under the signal function in the output of each data wire, to drive this, wherein chip selection signal line, write signal line and serial data line at least in some data wires;
Connecting circuit, be connected in this inversion main frame, it receives the operating voltage of being sent here by this inversion main frame by an operating voltage connecting line, this operating voltage connecting line is connected in a power control circuit and a dormancy indicating circuit by a switch, simultaneously, this connecting circuit also comprises a line trigger signal and produce to trigger the triggering signal of this inversion host work and provide this inversion main frame sleep to maintain electric current in this inversion main frame during in resting state with the state according to this switch;
The dormancy control circuit, be connected in the write signal line of this display driver circuit under the control of write signal, to produce a dormant control signal;
The dormancy indicating circuit, be connected in this dormancy control circuit and this line trigger signal, in this dormant control signal and this sleep, maintains under Current Control and indicate current this inversion main frame to be in sleep state when non-loaded with and this inversion main frame closed at this switch;
Power control circuit, for output one driving voltage under the control of this dormant control signal;
Voltage stabilizing circuit, be connected in this power control circuit, this driving voltage is carried out to voltage stabilizing so that the operating voltage that meets this display driver circuit to be provided.
Further, this dormancy indicating circuit comprises a sleep indicator light, the first triode, the first resistance and the second resistance, this first transistor collector is connected in this line trigger signal, emitter is connected in the operating voltage connecting line by this switch, base stage is connected to this dormancy control circuit by this first resistance, and this second resistance is connected between emitter and base stage.
Further, this dormancy control circuit comprises the second triode, the 3rd resistance and the 4th resistance, this second transistor base is connected to this write signal line by the 3rd resistance and the 4th resistance of series connection, grounded emitter, collector electrode is connected with this first resistance, also is connected to simultaneously this power control circuit.
Further, this dormancy control circuit also comprises the fluctuation of a large electric capacity with the filtering write signal, and this large electric capacity is connected between the intermediate node and ground of the 3rd resistance and the 4th resistance.
Further, this dormancy control circuit also comprises the first diode, and this first diode anode is connected with this write signal line, and negative terminal is connected with the 4th resistance.
Further, this power control circuit comprises the 3rd triode, the 5th resistance and the 6th resistance, the 3rd transistor base is connected with this second transistor collector by the 5th resistance, emitter is connected to this operating voltage connecting line by this switch, the collector electrode outputting drive voltage is to this voltage stabilizing circuit, and the 6th resistance is connected between emitter and base stage.
Further, this power control circuit also comprises the collector electrode that its anode of the second diode is connected in the 3rd triode, and negative terminal is connected in the input of this voltage stabilizing circuit.
Further, this first triode and the 3rd triode are the PNP triode, and this second triode is the NPN triode.
Further, the data wire that this display driver circuit is connected with this connecting circuit arranges an interference filtering circuit over the ground, and this interference filtering circuit comprises resistance and the electric capacity of a parallel connection.
For reaching above-mentioned and other purpose, the inversion system that the present invention is a kind of, comprise inversion main frame and above-mentioned display unit, and wherein the connecting circuit of this display unit connects this inversion main frame by the holding wire for serial communication.
Compared with prior art, a kind of inversion system of the present invention and display unit thereof are by arranging dormancy indicating circuit and dormancy control circuit, make display unit in the switch closure and the inversion main frame is non-loaded shows sleep state while entering resting state, and the complete machine only very little sleep of loss maintains electric current, has reduced power consumption; Simultaneously, the present invention connects inversion main frame and display unit by the holding wire that utilization is used for serial communication, but makes the present invention's display unit Remote Installation, is convenient to the user and observes and use.
The accompanying drawing explanation
Fig. 1 is the simple articulator composition of the preferred embodiment of a kind of inversion system of the present invention;
Fig. 2 is the schematic diagram of the present invention's detachable LCD panel;
Fig. 3 is the circuit structure diagram of the preferred embodiment of display unit in Fig. 1.
Embodiment
Below by specific instantiation accompanying drawings embodiments of the present invention, those skilled in the art can understand other advantage of the present invention and effect easily by content disclosed in the present specification.The present invention also can be implemented or be applied by other different instantiation, and the every details in this specification also can be based on different viewpoints and application, carries out various modifications and change not deviating under spirit of the present invention.
Fig. 1 is the simple articulator composition of the preferred embodiment of a kind of inversion system of the present invention.As shown in Figure 1, a kind of inversion system of the present invention comprises inversion main frame 101 and display unit 102, wherein display unit 102 specifically can show as a detachable LCD panel, Fig. 2 is the schematic diagram of the present invention's detachable LCD panel, this panel can be dismantled easily by bayonet socket 21, it can be installed on the convenient place of observing and operating at a distance, utilize the holding wire for serial communication to connect inversion main frame 101 main frames by connector Sip, LCD22 on display floater can show input DC voltage value, output AC performance number, input overvoltage protection state, the input undervoltage guard mode, overheat protector state and output overloading guard mode etc. in machine, in addition, by the buzzer 23 on this panel, can also send alarm sound.With a switch 24 and a LED sleep indicator light 25, when switch 24 cut out, whole machine cut out fully, without any loss current on this panel; When switch closed, when inversion main frame 101 was non-loaded, LCD 22 was without showing, LED sleep indicator light 25 is bright, the standby current of a whole machine loss trace now, and machine is in sleep state; After adding load, machine is waken up, and now LCD22 shows bright.
Fig. 3 is the circuit structure diagram of the preferred embodiment of display unit in Fig. 1.As shown in Figure 3, the display unit of inversion system of the present invention comprises display driver circuit 301, interface circuit 302, dormancy indicating circuit 303, dormancy control circuit 304, power control circuit 305, voltage stabilizing circuit 306 and shows module 307.
Wherein display driver circuit 301 is connected with voltage stabilizing circuit 306 and demonstration module 307, and be connected with interface circuit 302 by some data wires, under signal function with the operating voltage in voltage stabilizing circuit 306 outputs and the output of each data wire, drive and show that module 307 shows, wherein in data wire, comprise at least chip selection signal line CS, write signal line WR and serial data line DATA, simultaneously, display driver circuit 301 also by the write signal line, is connected to dormancy control circuit 304 so that dormancy control circuit 304 produces dormant control signal, here show that module 307 shows module for LCD, display driver circuit 301 is the LCD drive circuit, interface circuit 302 is the connector Sip in Fig. 1, the one end is connected to inversion main frame 101 by the holding wire for serial communication, the other end is connected with display driver circuit 301 by some data wires, simultaneously, interface circuit 302 at least also has an operating voltage connecting line Vcc and line trigger signal SW, wherein operating voltage connecting line Vcc receives the operating voltage Vcc sent here by inversion main frame 101, and be connected in power control circuit 305 and dormancy indicating circuit 303 by a switch S 1, line trigger signal SW produces the triggering signal that triggers 101 work of inversion main frame for the state according to switch S 1, and under sleep state, provide a very little sleep of inversion main frame to maintain electric current, it is connected in dormancy indicating circuit 304 simultaneously, with when the inversion main frame is in resting state, by sleep, maintain the LED sleep indicator light that electric current is lighted dormancy indicating circuit 304, dormancy indicating circuit 303 for switch S 1 closure and inversion main frame 101 when non-loaded sleep on dormant control signal and line trigger signal SW maintain the current inversion main frame 101 of indication under Current Control and be in sleep state, dormancy control circuit 304 is connected in the write signal line WR of display driver circuit 301 under the control at write signal WR, to produce dormant control signal, the control circuit of dormancy simultaneously 304 also is connected to power control circuit 305, to utilize this dormant control signal, the output voltage of power control circuit 305 is controlled, power control circuit 305 1 ends are connected to the operating voltage connecting line Vcc of interface circuit 302 by switch S 1, under the control of dormant control signal, to export a driving voltage to voltage stabilizing circuit 306, after 306 pairs of these driving voltages of voltage stabilizing circuit carried out voltage stabilizing, output met the operating voltage that display driver circuit 301 is worked.
Further, in preferred embodiment of the present invention, dormancy indicating circuit 303 specifically can comprise a LED sleep indicator light, the first triode P1, the first resistance R 1 and the second resistance R 2, preferably, the first triode P1 is the PNP triode, LED sleep indicator light is connected between the first triode P1 collector electrode and emitter, the first triode P1 collector electrode is connected in line trigger signal SW, emitter is connected in the operating voltage connecting line by switch S 1, base stage is connected to dormancy control circuit 304 by the first resistance R 1, be that dormant control signal realizes the control to LED sleep indicator light by the conducting of controlling the first triode P1 with cut-off, simultaneously, the second resistance R 2 is connected between the emitter and base stage of the first triode P1.
Dormancy control circuit 304 comprises the second triode N1 and the 3rd resistance R 3 at least, and preferably, the second triode N1 is the NPN triode, its base stage is connected to write signal line WR by the 3rd resistance R 3, grounded emitter, collector electrode is connected with the first resistance R 1, also is connected to simultaneously power control circuit 305.Preferably, dormancy control circuit 304 also can arrange one the 4th resistance R 4 between the 3rd resistance R 3 and write signal line WR, simultaneously, for filtering interfering, dormancy control circuit 304 also can comprise a large electric capacity E8, and large electric capacity E8 is connected in dormancy control circuit 304 also can be between the intermediate node and the second triode N1 emitter of the 3rd resistance R 3 and the 4th resistance R 4.In addition, for reducing pressure drop, dormancy control circuit 304 also can comprise one first diode D1, and this first diode D1 anode is connected with write signal line WR, and negative terminal is connected with the 4th resistance R 4.
Power control circuit 305 comprises the 3rd triode P2 at least, the 5th resistance R 5 and the 6th resistance R 6, the 3rd triode P2 is preferably the PNP triode, its base stage is connected with the second triode N1 collector electrode by the 5th resistance R 5, emitter is connected to the operating voltage connecting line by switch S 1, the collector electrode outputting drive voltage is to voltage stabilizing circuit 306, the 6th resistance R 6 is connected between emitter and base stage, preferably, for preventing that electric current from pouring in down a chimney, power control circuit 305 also can comprise the second diode D2, its anode is connected in the collector electrode of the 3rd triode P2, negative terminal is connected in the input IN of voltage stabilizing circuit 306, and provide operating voltage for backlight circuit 307.
Preferably, the input IN of voltage stabilizing circuit 306 can be by large capacitor C 1 ground connection with filtering interfering, the operating voltage of its output OUT output display drive circuit 301, and can pass through capacitor C 2 ground connection.
In preferred embodiment of the present invention, display unit 102 also can comprise a warning circuit 308 and backlight circuit 309, warning circuit 308 can be a piezo buzzer B1, and this piezo buzzer B1 is connected in display driver circuit 301, by display driver circuit 301 driving work; Backlight circuit 309 is connected in power control circuit 305, and its LED lamp that can comprise some series connection is backlight for LCD, and by the 7th resistance R 7 ground connection, backlight under the driving voltage effect in power control circuit 305 outputs, to drive LCD.
In addition, because serial data in the present invention needs certain transmitting range, in preferred embodiment of the present invention, on the data wire of display driver circuit 301 and connecting circuit 302, an interference filtering circuit also can be set over the ground, specifically, every data lines is by resistance and the capacity earth of a parallel connection, and namely chip selection signal line CS is by resistance R in parallel 8 and capacitor C 3 ground connection, write signal line WR is by resistance R in parallel 9 and capacitor C 4 ground connection, and data wire DATA is by resistance R in parallel 10 and capacitor C 5 ground connection.
More particularly, in the present embodiment, display unit 102 is connected holding wire connection holding wire with inversion main frame 101 be 6 heart yearns, owing to just transmitting signal, so line can be thinner.In figure, the Pin1 of display driver circuit 301 is the chip selection signal line, and Pin2 is the write signal line, and Pin3 is serial data line.Content and the alarm condition of the upper demonstration of LCD are sent to display driver circuit 301 by serial data line Pin3, because serial data needs certain transmitting range, on data wire in figure, added over the ground R8, R9, R10 and C3, C4, C5, transmit and disturb in order to filtering, and the Pin6 of connecting circuit 302 sends operating voltage Vcc here by main frame, Pin1 ground connection, voltage stabilizing circuit 306 provide the operating voltage that shows 5V.When switch S 1 disconnects, show that dead electricity closes, return on the line trigger signal Pin2 (SW) of connecting circuit 302 and also be no-voltage, inversion main frame 101 zero cuts out because of triggering signal SW, the lossless electric current of complete machine; When switch S 1 is closed, now on the line trigger signal SW (Pin2) of connecting circuit 302, voltage is arranged, therefore inversion main frame 101 works, and SW just triggers the signal of host work here, not be to provide the operating voltage to main frame, so on connecting line, only have little electric current.
After 101 work of inversion main frame, be in two states: when non-loaded, main frame enters dormancy, close the serial communication with display driver circuit 301, so write signal line WR is upper, it is no-voltage, therefore the second triode N1 cut-off, so the first triode P1, the 3rd triode P2 all ends, whole circuit does not have electricity, now the Vcc that sends here of inversion main frame 101 returns to the inversion main frame by switch S 1 and LED sleep indicator light, maintain electric current for very little sleep of inversion main frame, simultaneously due to the P1 cut-off, LED sleep indicator light is bright, mean sleep state, complete machine only loss this maintain electric current (approximately several mA), when inversion main frame 101 has load, inversion main frame 101 starts the communication with display driver circuit 301, high voltage appears in write signal WR upper (Pin4 of connecting circuit 302), this high voltage maintains rear drive the second triode N1 conducting through large electric capacity E8, therefore causes the first triode P1 and the 3rd triode P2 conducting, so LCD is backlight bright, display driver circuit 301 work, LCD demonstration, the first triode P1 conducting are simultaneously gone out LED sleep indicator light, and complete machine enters normal operation.
In sum, a kind of inversion system of the present invention and display unit thereof are by arranging dormancy indicating circuit and dormancy control circuit, make display unit in the switch closure and the inversion main frame is non-loaded shows sleep state while entering resting state, and the complete machine only very little sleep of loss maintains electric current, has reduced power consumption; Simultaneously, the present invention connects inversion main frame and display unit by the holding wire that utilization is used for serial communication, but makes the present invention's display unit Remote Installation, is convenient to the user and observes and use.
Above-described embodiment is illustrative principle of the present invention and effect thereof only, but not be used to limiting the present invention.Any those skilled in the art all can, under spirit of the present invention and category, modify and change above-described embodiment.Therefore, the scope of the present invention, should be as listed as claims.

Claims (8)

1. a display unit, be applied to one and have in the inversion system of inversion main frame, comprises at least:
Show module;
Display driver circuit, be connected with an interface circuit by some data wires, shows module displays under the signal function in each data wire output, to drive this, wherein in some data wires, comprises at least: chip selection signal line, write signal line and serial data line;
Connecting circuit, be connected in this inversion main frame, it receives the operating voltage of being sent here by this inversion main frame by an operating voltage connecting line, this operating voltage connecting line is connected in a power control circuit and a dormancy indicating circuit by a switch, simultaneously, this connecting circuit also comprises a line trigger signal and produce to trigger the triggering signal of this inversion host work and provide this inversion main frame sleep to maintain electric current in this inversion main frame during in resting state with the state according to this switch;
The dormancy control circuit, be connected in the write signal line of this display driver circuit under the control of write signal, to produce a dormant control signal;
The dormancy indicating circuit, be connected in this dormancy control circuit and this line trigger signal, in this dormant control signal and this sleep, maintains under Current Control and indicate current this inversion main frame to be in sleep state when non-loaded with and this inversion main frame closed at this switch; Wherein, this dormancy indicating circuit comprises a sleep indicator light, the first triode, the first resistance and the second resistance, this first transistor collector is connected in this line trigger signal, emitter is connected in the operating voltage connecting line by this switch, base stage is connected to this dormancy control circuit by this first resistance, and this second resistance is connected between emitter and base stage;
Power control circuit, for output one driving voltage under the control of this dormant control signal;
Voltage stabilizing circuit, be connected in this power control circuit, this driving voltage is carried out to voltage stabilizing so that the operating voltage that meets this display driver circuit to be provided.
2. display unit as claimed in claim 1, it is characterized in that: this dormancy control circuit comprises the second triode, the 3rd resistance and the 4th resistance, this second transistor base is connected to this write signal line by the 3rd resistance and the 4th resistance of series connection, grounded emitter, collector electrode is connected with this first resistance, also is connected to simultaneously this power control circuit.
3. display unit as claimed in claim 2, it is characterized in that: this dormancy control circuit also comprises the first diode, and this first diode anode is connected with this write signal line, and negative electrode is connected with the 4th resistance.
4. display unit as claimed in claim 2, it is characterized in that: this power control circuit comprises the 3rd triode, the 5th resistance and the 6th resistance, the 3rd transistor base is connected with this second transistor collector by the 5th resistance, emitter is connected to this operating voltage connecting line by this switch, the collector electrode outputting drive voltage is to this voltage stabilizing circuit, and the 6th resistance is connected between emitter and base stage.
5. display unit as claimed in claim 4, it is characterized in that: this power control circuit also comprises the second diode, and its anodic bonding is in the collector electrode of the 3rd triode, and negative electrode is connected in the input of this voltage stabilizing circuit.
6. display unit as claimed in claim 4, it is characterized in that: this first triode and the 3rd triode are the PNP triode, and this second triode is the NPN triode.
7. display unit as claimed in claim 1, it is characterized in that: the data wire that this display driver circuit is connected with this connecting circuit arranges an interference filtering circuit over the ground, and this interference filtering circuit comprises resistance and the electric capacity of a parallel connection.
8. inversion system that comprises the described display unit of claim 1, it is characterized in that: this display unit connecting circuit connects this inversion main frame by the holding wire for serial communication.
CN2011103351025A 2011-10-28 2011-10-28 Inverter system and display device thereof Active CN102361406B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN2011103351025A CN102361406B (en) 2011-10-28 2011-10-28 Inverter system and display device thereof
PCT/CN2012/071659 WO2013060108A1 (en) 2011-10-28 2012-02-27 Inverter system and display device thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011103351025A CN102361406B (en) 2011-10-28 2011-10-28 Inverter system and display device thereof

Publications (2)

Publication Number Publication Date
CN102361406A CN102361406A (en) 2012-02-22
CN102361406B true CN102361406B (en) 2013-11-27

Family

ID=45586668

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011103351025A Active CN102361406B (en) 2011-10-28 2011-10-28 Inverter system and display device thereof

Country Status (2)

Country Link
CN (1) CN102361406B (en)
WO (1) WO2013060108A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102361406B (en) * 2011-10-28 2013-11-27 纽福克斯光电科技(上海)有限公司 Inverter system and display device thereof
CN102800182B (en) * 2012-07-09 2015-02-25 纽福克斯光电科技(上海)有限公司 Wireless transceiving module and inverter system thereof
CN108465155A (en) * 2018-02-28 2018-08-31 深圳市创荣发电子有限公司 Massage plaster control circuit

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201589998U (en) * 2009-12-11 2010-09-22 上海北大方正科技电脑系统有限公司 Computer with power indicating light
CN201947178U (en) * 2010-09-29 2011-08-24 冠捷投资有限公司 Power supply device capable of reducing standby power consumption

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5315533A (en) * 1991-05-17 1994-05-24 Best Power Technology, Inc. Back-up uninterruptible power system
US5949640A (en) * 1997-08-19 1999-09-07 Statpower Technologies Corp. Power inverter with re-orientable display panel and AC port modules
CN201054515Y (en) * 2007-06-06 2008-04-30 北京自动化技术研究院 Data recording, remote transmission and display unit for optical voltage mesh parallel converter
US20100033433A1 (en) * 2008-08-08 2010-02-11 Dell Products, Lp Display system and method within a reduced resource information handling system
CN201467004U (en) * 2009-05-25 2010-05-12 北京天恒华意科技发展有限公司 inverter
CN101820230B (en) * 2010-02-26 2012-06-27 韩新建 High-frequency isolation type grid-connected inverter
CN102361406B (en) * 2011-10-28 2013-11-27 纽福克斯光电科技(上海)有限公司 Inverter system and display device thereof

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201589998U (en) * 2009-12-11 2010-09-22 上海北大方正科技电脑系统有限公司 Computer with power indicating light
CN201947178U (en) * 2010-09-29 2011-08-24 冠捷投资有限公司 Power supply device capable of reducing standby power consumption

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
JP特开平6-274249A 1994.09.30

Also Published As

Publication number Publication date
WO2013060108A1 (en) 2013-05-02
CN102361406A (en) 2012-02-22

Similar Documents

Publication Publication Date Title
CN103687240B (en) Over-voltage over-current protection circuit and electronic installation
CN103313459A (en) Control device for indicating lamp
CN102361406B (en) Inverter system and display device thereof
CN202676816U (en) A photoelectric coupling device, photoelectric coupling detection circuits, and an indication circuit
CN201674209U (en) Bottom-cross, reverse-control and time-base circuit
WO2014089855A1 (en) Led backlight drive circuit and liquid crystal display device
CN103311876A (en) Power supply fuse alarming circuit and alarming device
CN102800182B (en) Wireless transceiving module and inverter system thereof
CN104950239A (en) Backlight driving detection circuit
CN202395674U (en) Display apparatus with sleep function of inversion host
CN201725590U (en) Hard disc interface detection circuit
CN201041938Y (en) A LCD-TV power under-voltage protection circuit
CN202142001U (en) Computer power with overpower prompting function
CN206805994U (en) Recording instrument without paper with backlight drive protection
CN201489633U (en) Control host circuit for electrical fire module
CN202840472U (en) Electric leakage protection device
CN201904617U (en) Intelligent SPD with timing function
CN202873113U (en) LED (Light-emitting diode) indication lamp circuit and electronic device
CN201536271U (en) UPS remote monitor
CN206640394U (en) A kind of monitoring system based on power bus information
CN204993072U (en) Baling press control circuit
CN205003220U (en) Lightning current HF reject monitoring devices
CN113589733B (en) Fan water pump control device
CN103746343A (en) Switching power supply circuit of firefighting emergency power supply
CN211263600U (en) Electrical detection device

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant