Summary of the invention
The present invention can not eliminate the technical problem of electric appliance standby energy consumption for solving existing battery saving arrangement, and a kind of intelligent electricity-saving protective control plug socket for television is provided.
For solveing the technical problem; Technical scheme provided by the invention is: a kind of intelligent electricity-saving protective control plug socket for television; Comprise the plug socket housing, be arranged on jack on this plug socket housing and that can be connected with outside electrical equipment; This jack is connected with the outside power supply that comprises live wire, zero line and ground wire; Wherein, said jack includes the master control jack, also is provided with the electricity-saving protection control circuit that is connected with this power supply; This electricity-saving protection control circuit comprises current transformer, transition surge restraining unit and the main control module between said live wire and zero line parallel with one another, and is parallelly connected with said main control module again after said master control jack, current transformer and the controlled switch series connection.
Wherein, said jack also includes controlled jack, this controlled jack and said master control jack of connecting, current transformer parallel connection.
Wherein, said jack also includes the normal open jack, and this normal open jack is connected in parallel between said live wire, the zero line.
Wherein, said main control module comprise microprocessor, comprise first the sampling amplifying circuit and second the sampling amplifying circuit operational amplification circuit and the reception panel that is connected with this microprocessor; The output of the said first sampling amplifying circuit is connected with an input of said microprocessor; The output of the said second sampling amplifying circuit is connected with another input of said microprocessor, and the input of the said first sampling amplifying circuit is connected with said current transformer.
Wherein, the said first sampling amplifying circuit comprises sampling resistor and operational amplifier, and the said second sampling amplifying circuit is connected with said microprocessor through series connection one isolation resistance.
Compared with prior art; The present invention organically combines devices such as transition surge restraining unit, main control module summation current transformer, has realized the functional characteristic of various electricity-saving appliances and economize on electricity plug socket is integrated and is embedded in the plug socket, is applied in the TV power supply plug socket; TV can be with the circuitry cuts of master control jack and controlled jack when standby; Also can remove electric power rubbish such as transition, surge effectively, having reduced the caused power consumption of these electric power rubbish increases, and has improved the power consumption efficiency of whole using electricity system; Reduced superfluous power consumption, its power saving rate can be up to 30%, electric power rubbish (transition, surge) clearance rate can reach more than 35%.
Embodiment
Preferred embodiments one; Like Fig. 1, shown in Figure 3; A kind of intelligent electricity-saving protective control plug socket for television comprises the plug socket housing, is arranged on jack on this plug socket housing and that can be connected with outside electrical equipment, and this jack is connected with the outside power supply that comprises live wire, zero line and ground wire; Jack includes master control jack 1, controlled jack 2; Also be provided with the electricity-saving protection control circuit that is connected with this power supply, this electricity-saving protection control circuit comprises the main control module 5 of circuit switching electricity in current transformer 3, transition surge restraining unit 4 and the control plug socket, and this transition surge restraining unit 4 and main control module 5 are parallel with one another between live wire and zero line; Parallelly connected with main control module 5 again after master control jack 1, current transformer 3 and controlled switch 6 series connection, controlled jack 2 and the master control jack 1 of connecting, current transformer 3 parallel connections.When TV was in holding state, controlled switch 6 was opened, and master control jack 1 will cut off the power supply with controlled jack 2.The relation of master control jack and controlled jack: master control jack and controlled jack be parallel connection all receive controlled switch 6 control, controlled jack can only unconditionally be accepted cut-offing instruction, the master control jack controlled jack that cuts off the power supply must cut off the power supply.
Preferred embodiments two, as shown in Figure 2, on the basis of preferred embodiments one, added the normal open jack 7 that directly is connected with live wire, zero line, normal open jack 7 is the control that does not receive main control module 5 and controlled switch 6, with the convenient electrical appliance of pegging graft and need not cut off the power supply.
This main control module 5 includes microprocessor 51, comprises operational amplification circuit, the television reception panel 54 that is connected with this microprocessor and the delay controller etc. of the first sampling amplifying circuit 52 and the second sampling amplifying circuit 53; The output of the first sampling amplifying circuit is connected with an input of microprocessor, and the output of the second sampling amplifying circuit is connected with another input of microprocessor, and the input of the first sampling amplifying circuit is connected with current transformer.The PB0 input of microprocessor 51 with receive the panel output and be connected, an indicator light that is provided with on the PB1 input of microprocessor and the reception panel is connected.The first sampling amplifying circuit 52 comprises sampling resistor and operational amplifier, and the second sampling amplifying circuit 53 is connected with microprocessor through series connection one isolation resistance.Transition surge restraining unit 4 includes two piezo-resistances, and the one of which piezo-resistance is installed between live wire and the ground wire, and another piezo-resistance is installed between zero line and the ground wire.
Current transformer 3 be used for obtaining on the master control jack electric current and through the master control module controls controlled switch; Current transformer 3 is connected on the master control jack branch road and exports induced current; This induced current is connected to the input of the first sampling amplifying circuit; Gather and amplify by sampling resistor and input to microprocessor by operational amplifier; The continuation that can control controlled switch after the microprocessor processes is communicated with or breaks off, and is in microprocessor when breaking off to connect the signal of controlled switch be to decide through the signal that receives panel when controlled.
Microprocessor also is connected with a indicator light on being installed in the plug socket housing through its output interface, can demonstrate the operating state of current plug socket intuitively through the light on and off of indicator light.This instance sampling resistor is 100 Europe precision resistances of one of percentage precision; What operational amplifier adopted is the LM358 chip; Microprocessor is the ATMEGA8 single-chip microcomputer of AVR series, and current transformer is a ZMCT103 series instrument transformer (the ZMCT103C instrument transformer of the sub-Co., Ltd of plain telegram is selected in Nanjing).
Receive the panel working method, individual parameter value T is arranged, A in the program.The information translation of coming from that reception of IR remote controller is a high-low level, and timer1 calculates the time interval Tn and parameter T comparison of two trailing edges, and when satisfying Tn+A>T>Tn-A, plug socket is opened.The detecting stand-by operation; Electric current through detecting master control judges whether master control gets into stand-by time; The current sense of master control is obtained electric current root mean square then through the ADC sampling and is come out to judge; Through the sample frequency of 32k, 32 appearance of every extraction are later on through Irms=((I1XI1+ now ... ..+I32XI32)/32 evolution formula) is obtained, and when Irms<I, just thinks that master control has got into stand-by time; At this moment single-chip microcomputer can be turned off plug socket automatically main, thereby controlled stand-by power consumption is all turned off and can be reduced to zero to the stand-by power consumption of the power consumption equipment on the plug socket.Single-chip microcomputer adopts 10 AD conversions, so so sampling reference voltage is 5/1024 to approximate 5mV for the sampling resolution of+5V single-chip microcomputer.The result who tests out according to us shows that our scheme sampling precision meets the demands.0.1 grade of power source loads cabinet precision.The precision current instrument transformer that method of testing, power source loads cabinet output line are passed our model machine is got back to the input of power source loads cabinet, mediates following current value then one by one, and standby current shows that stable back reading numerical values also takes reading.
Main control module adopts modular design; Can detect master control jack branch road induced current and be transferred to microprocessor through a current transformer and a sampling amplifying circuit; Continuation by microprocessor control controlled switch is communicated with or disconnection, thereby realizes the break-make of master control jack and controlled jack power supply is handled, and has eliminated the situation of standby power consumption effectively; For example; TV power is inserted on the master control jack, power supplys such as DVD player, function player are inserted on the controlled jack, when detecting device shutdown such as television set on the master control jack or standby with the sampling amplifying circuit through current transformer when main control module; After waiting for one section delay time (as 1 minute); Break off the power supply on master control jack and the controlled jack through delay controller control controlled switch, make power supplys such as TV on master control jack and the controlled jack, DVD player, function player all break off, thereby eliminated the standby power consumption.Through detecting the electric current on the master control jack; Can judge the operating state that is connected on the master control jack; When the equipment such as television set that detect on the master control jack are in holding state after a period of time; Automatically controlled switch is broken off, cut off equipment such as the TV that is connected on master control jack and the controlled jack, DVD player, function player, eliminated standby energy consumption effectively.
In order to be illustrated more clearly in the course of work of the present invention, workflow diagram as shown in Figure 4; Whether does plug socket wake up after the initialization? Not, return, be; Open the electric current of plug socket detecting master control plug socket, sampling resistor carries out the ADC sampling, judge that again the master control plug socket is at holding state? Not; Turn back to sampling resistor and carry out the ADC current sample, be, just cut off circuit by control switch.
The present invention suppresses electric power rubbish such as the transition, surge in the electrical network effectively, has improved and has used electricity quality, has guaranteed the stable operation of equipment such as television set, has prolonged the useful life of equipment such as television set, has reached economize on electricity and protection double effects to equipment such as TVs.
More than combine preferred embodiments that the present invention is specifically described, but those skilled in the art can make numerous variations or variation to these execution modes, these changes and variation should fall within the scope of the present invention's protection.