CN201000555Y - Power supply control unit - Google Patents
Power supply control unit Download PDFInfo
- Publication number
- CN201000555Y CN201000555Y CNU2006200772243U CN200620077224U CN201000555Y CN 201000555 Y CN201000555 Y CN 201000555Y CN U2006200772243 U CNU2006200772243 U CN U2006200772243U CN 200620077224 U CN200620077224 U CN 200620077224U CN 201000555 Y CN201000555 Y CN 201000555Y
- Authority
- CN
- China
- Prior art keywords
- unit
- switch
- power
- current detecting
- power supply
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Protection Of Static Devices (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
The utility model discloses an electrical power control unit, which is characterized in that the utility model comprises a power unit, an electric current detecting and sampling unit, a rectification smoothing unit, a switch controlling unit and a switch (K1), wherein, the electric current detecting and sampling unit is connected between the outer power source and the power consuming equipment, to detect the change of the operating current of the power consuming equipment, and the switch (K1) is connected between the outer power source and the power consuming equipment , and the power unit provides operating current for the switch controlling unit; the output signal of the electric current detecting and sampling unit outputted to the switch controlling unit after being processed by the rectification smoothing unit, and switch (K1) is controlled by the switch controlling unit. The utility model has the advantages that firstly, the outer power source can be turned off when the power consuming equipment is in a waiting mode, saving the electric energy; secondly, the utility model is convenient for using, can be used alone, and also can be used with common plug seat; thirdly, the utility model has good security, and is provided with a safety device and a lightning proofing device, thus improving the security.
Description
One, technical field
The utility model relates to a kind of power control, relates in particular to a kind of control device that can disconnect extraneous power supply when electrical equipment is in the stand-by operation state.
Two, background technology
Current a large amount of household electrical appliance such as computer, televisor, air-conditioning etc. all have idle function, and when they were in standby, though not work of main circuit still is in the power consumption state, long-time continuing can be caused waste.Simultaneously, what the socket on the market was more now is the form that can connect a plurality of consumers, for example host computer, display, printer, the shared socket of audio amplifier, can easily a plurality of consumers be linked together, especially have one as major equipment in a plurality of consumers, other is during as utility appliance, when major equipment quits work, promptly there is idling consumption in other utility appliance because a public supply socket still is in holding state.Therefore need a kind of circuit of design the power supply of major equipment and utility appliance all can be cut off when not working, or the major equipment power supply do not cut off, and with the dump of utility appliance, to reach the purpose that reduces idling consumption.
Three, summary of the invention
1, goal of the invention: the purpose of this invention is to provide a kind of control device that can when consumer is in holding state or off-mode, can disconnect extraneous power supply.
2, technical scheme: in order to reach above-mentioned goal of the invention, power control of the present utility model comprises: comprise power supply unit, current detecting and sampling unit, rectification filtering unit, switch control unit and switch, wherein, current detecting and sampling unit are connected to the variation of detection equipment work electric current between extraneous power supply and the consumer, switch is connected between extraneous power supply and the consumer, and power supply unit provides working power for switch control unit; The output signal of current detecting and sampling unit exports switch control unit to after handling through rectification filtering unit, and switch control unit is split to close and controlled.
Switch control unit comprises monostable trigger element and triode driver element, and the output terminal of monostable trigger element is connected with the base stage of switch triode in the transistor drive circuit.
Power circuit is a transformer or RC reduction voltage circuit in parallel, obtains DC voltage by the bridge rectifier electric current and gives circuit supply.
Power control also comprises lightning protection circuit, and this lightning protection circuit is connected between extraneous power supply and current detecting and the sample circuit, can improve security of the utility model power control and reliability like this.
The utility model also comprises the safety apparatus that carry out overload protection, and safety apparatus are generally fuse.
Current detecting and sampling unit are current transformer or sampling resistor, carry out the current detecting of electrical equipment by current transformer or sampling resistor; Current transformer is the punching current transformer.
When adopting sampling resistor to carry out the current detecting of electrical equipment, switch can be on sampling resistor in parallel, when electrical appliance is worked, this switch is in closure state, at this moment, working current is without sampling resistor, thereby can reduce loss, also can not adopt switch in parallel according to actual conditions.
The utility model also comprises anti-surge unit, and this anti-surge unit and rectification filtering unit are connected in parallel.Anti-surge unit mainly adopts discharge tube to realize, rectification filtering unit mainly adopts capacity cell to realize that the two is connected in parallel.
This power control can adopt the hand push button gauge tap when starting, and also can adopt telepilot control, receives the infrared control signal starting switch by infrared receiving terminal.
The groundwork principle of this device is: in the circuit of this device, adopt single-shot trigger circuit, after the input end of trigger circuit obtains low-potential signal, output terminal obtains high potential signal, the time length that high potential signal keeps depends on that front end RC discharges and recharges the time, the length of time can be determined by changing the RC value, the output terminal of single-shot trigger circuit links to each other with switch triode, this not conducting of triode when the output terminal of single-shot trigger circuit is exported electronegative potential, the switch of control main circuit disconnects, triode conducting when the output terminal of single-shot trigger circuit is exported noble potential, the switch closure of control main circuit, after the main circuit switch closure, if electrical appliance work this moment, current detecting on the circuit and sampling unit have voltage signal output, the output terminal that its output is directly received single-shot trigger circuit by photoelectric isolating circuit with triode link to each other, the triode conducting makes the switch closure of control main circuit, this moment, triode was not controlled by single-shot trigger circuit, after electrical appliance such as host computer shutdown, electric current on the circuit reduces, current detecting and the output of sampling unit no-voltage signal, the switch that the input end of triode becomes electronegative potential control main circuit disconnects, thereby cut off the power supply of electrical appliance, electrical appliance does not have idling consumption.The mode of the input signal of the input end of single-shot trigger circuit can adopt infrared receiving terminal to receive, and also can adopt the circuit of generation electronegative potential trigger pips such as reset button to realize.
3, beneficial effect: the utility model has the advantages that: (1) can disconnect extraneous power supply, saves energy when consumer is in holding state; (2) easy to use, can use separately, also can combine use with common socket; (3) security is good, is provided with safety apparatus and lightning protection assembling device, has improved security.
Four, description of drawings:
Fig. 1 is a schematic diagram of the present utility model;
Fig. 2 is the operation of current transformers synoptic diagram;
Fig. 3 is a sampling resistor work synoptic diagram, " R " expression sampling resistor among the figure;
Fig. 4 is a structural representation of the present utility model;
Fig. 5 is an electrical block diagram of the present utility model, and what wherein be connected with resistance R 5 is photoelectrical coupler, and element " 54 " is a relay coil;
Fig. 6 is the electrical block diagram of a kind of embodiment of the present utility model, and what wherein be connected with R7 is photoelectrical coupler.
Five, embodiment
Embodiment 1: as Fig. 1, shown in Figure 4, the power control of present embodiment, comprise power supply unit, current detecting and sampling unit, rectification filtering unit, switch control unit and K switch 1, wherein, current detecting and sampling unit are connected to the variation of detection equipment work electric current between extraneous power supply and the consumer, K switch 1 is connected between extraneous power supply and the consumer, and power supply unit provides working power for switch control unit; The output signal of current detecting and sampling unit exports switch control unit to after handling through rectification filtering unit, and switch control unit is controlled switch K1; Power circuit is a transformer or RC reduction voltage circuit in parallel.
As shown in Figure 5, switch control unit comprises monostable trigger element and triode driver element, and the output terminal of monostable trigger element is connected with the base stage of switch triode Q1 in the transistor drive circuit.The monostable trigger element adopts 555 timers, and its 1st, the 5th end is respectively by capacity earth, and output terminal i.e. the 3rd end is connected with the base stage of triode Q1 by resistance R 4.The collector of triode Q1 is connected with the 4th end of photoelectricity isolated location, the sampled signal of electric current after treatment, can be connected with the output terminal 3 of 555 timers, this moment, the input signal end 2 of 555 timers can adopt the output terminal of infrared receiving terminal to connect, also can be connected, or adopt the input signal end 6 connection buttons or the current sampling signal of 555 timers to come gauge tap K1 with the hand push button switch.
Present embodiment also comprises lightning protection circuit, and this lightning protection circuit is connected between extraneous power supply and current detecting and the sample circuit.
Present embodiment also comprises the safety apparatus that carry out overload protection, generally adopts fuse.
As Fig. 2, shown in Figure 3, in current detecting and the sampling unit, carry out the current detecting of electrical equipment by current transformer or sampling resistor.Current transformer is punching current transformer or non-straight-through current transformer; Sampling resistor can be parallel with again a switch or not paralleling switch use separately.
Present embodiment also comprises anti-surge unit, and this anti-surge unit and rectification filtering unit are connected in parallel.Anti-surge unit mainly adopts discharge tube to realize, rectification filtering unit mainly adopts capacity cell to realize that the two is connected in parallel.
The power control of present embodiment can use separately, is installed between extraneous power supply and the electrical appliance and just can realizes its function.
Embodiment 2: as shown in Figure 6, the power control in the present embodiment can be controlled two kinds of electrical appliances, and the switch control unit that increases a gauge tap K2 on the circuit structure basis of embodiment just can be realized.
Claims (9)
1, a kind of power control, it is characterized in that, comprise power supply unit, current detecting and sampling unit, rectification filtering unit, switch control unit and switch (K1), wherein, current detecting and sampling unit are connected to the variation of detection equipment work electric current between extraneous power supply and the consumer, switch (K1) is connected between extraneous power supply and the consumer, and power supply unit provides working power for switch control unit; The output signal of current detecting and sampling unit exports switch control unit to after handling through rectification filtering unit, and switch control unit is controlled switch (K1).
2, power control as claimed in claim 1 is characterized in that, switch control unit comprises monostable trigger element and triode driver element, and the output terminal of monostable trigger element is connected with the base stage of switch triode in the transistor drive circuit.
3, power control as claimed in claim 1 is characterized in that, power circuit is a transformer or RC reduction voltage circuit in parallel.
4, power control as claimed in claim 1 is characterized in that, also comprises lightning protection circuit, and this lightning protection circuit is connected between extraneous power supply and current detecting and the sample circuit.
5, power control as claimed in claim 1 is characterized in that, also comprises the safety apparatus that carry out overload protection.
6, power control as claimed in claim 5 is characterized in that, safety apparatus are fuse.
7, power control as claimed in claim 1 is characterized in that, current detecting and sampling unit are current transformer or sampling resistor.
8, power control as claimed in claim 7 is characterized in that, sampling resistor is parallel with a switch.
9, power control as claimed in claim 1 is characterized in that, also comprises anti-surge unit, and this anti-surge unit and rectification filtering unit are connected in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200772243U CN201000555Y (en) | 2006-09-21 | 2006-09-21 | Power supply control unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200772243U CN201000555Y (en) | 2006-09-21 | 2006-09-21 | Power supply control unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201000555Y true CN201000555Y (en) | 2008-01-02 |
Family
ID=39014959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006200772243U Expired - Fee Related CN201000555Y (en) | 2006-09-21 | 2006-09-21 | Power supply control unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201000555Y (en) |
-
2006
- 2006-09-21 CN CNU2006200772243U patent/CN201000555Y/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202083915U (en) | Button switch control circuit with zero standby power consumption | |
| CN103676746A (en) | Control circuit of startup and shutdown machine and electronic equipment | |
| CN102540938A (en) | Standby energy saving device for electric appliance and standby energy saving method for same | |
| CN102236402A (en) | Energy saving detection circuit | |
| CN100478706C (en) | Electric exploration signal transmitter | |
| CN101217023A (en) | Display power control system | |
| CN201449443U (en) | Power-off detection circuit of isolated fly-back switch power supply | |
| CN202133884U (en) | Standby zero power consumption circuit | |
| CN102255204B (en) | Energy-saving socket with simple circuit | |
| CN201000555Y (en) | Power supply control unit | |
| CN201781141U (en) | Novel TV remote socket | |
| CN201584600U (en) | Novel remote control socket for air conditioner | |
| CN201285947Y (en) | Energy-saving socket for electromagnetic stove | |
| CN201466370U (en) | Remote control socket with complete switch-off function | |
| CN201584598U (en) | Air conditioner remote controlled socket with complete power-off function | |
| CN202373812U (en) | Energy-saving and consumption-reducing power socket | |
| CN201066484Y (en) | Energy-saving peripheral | |
| CN201994525U (en) | Energy-saving strip socket with simple circuits | |
| CN201623332U (en) | Energy-saving socket with time-limiting shutdown function | |
| CN202333330U (en) | Novel metering electricity-saving protecting device | |
| CN202373805U (en) | Electricity-saving protecting device of internet of things | |
| CN201656146U (en) | Intelligent socket with normally-on jack capable of eliminating stand-by energy consumption of electrical appliance | |
| CN202094423U (en) | Self power-off plug assembly and self power-off control system provided with the plug assembly | |
| CN201975645U (en) | Energy-saving socket for computers | |
| CN202533761U (en) | Standby circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080102 Termination date: 20100921 |