CN201203945Y - Electric switch and control system thereof sharing control lines - Google Patents
Electric switch and control system thereof sharing control lines Download PDFInfo
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- CN201203945Y CN201203945Y CNU200820045209XU CN200820045209U CN201203945Y CN 201203945 Y CN201203945 Y CN 201203945Y CN U200820045209X U CNU200820045209X U CN U200820045209XU CN 200820045209 U CN200820045209 U CN 200820045209U CN 201203945 Y CN201203945 Y CN 201203945Y
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Abstract
The utility model discloses an electric switch and a control system sharing control lines with the electric switch. The electric switch and system thereof is composed of a control switch and controlled on-off devices, and emits serial encode data based on setting encode; then the serial encode data is transmitted to each controlled on-off device by control lines, and the controlled on-off device implements logic calculation to the received encode data with the self-setting encode data, and controls the connection status of circuits based on the calculation result. The system controls the power supply on-off status of remote power utilization equipment in wired remote control mode, and can be used for illumination of location such as homes, schools, offices, factories, hotels, stages and the like, as well as the power supply on-off control of other power utilization equipment.
Description
Technical field
The utility model relates to the electric switch control system of a kind of electric switch and shared control line.
Background technology
The electric switch control mode of using mainly contains following several at present:
One, directly control
On the alternating electromotive force circuit, insert on-off switch.This kind mode circuit is simple and easy to bright, and shortcoming is the alternating electromotive force circuit to be guided to the manual position of the switch of very important person, and is higher to the safety requirements of switch, the wiring of the line of electric force of also increasing exchanges, and a consumer is controlled by two switches at most.Present households etc. adopt this mode mostly.
Two, centralized control
Be wired to master controller by each gauge tap, by the break-make of master controller control AC power, directly link to consumer then again.
This kind mode advantage is that to control ability strong, and gauge tap and AC power line are isolated, relatively safety.Shortcoming is that each consumer all will draw a line of electric force to master controller, and the wiring of the alternating current line of force is more, and each gauge tap also will be drawn a control line to master controller, and the control line wiring is also more.
Three, network control mode
As C-Bus control system etc., each gauge tap shared bus and master controller are with the network mode Communication Control.This mode operation circuit wiring is simple, and the reliability height generally adopts the computer terminal programming that the flexibly changing control model is set.Shortcoming is the cost height, and is fixing when the controlled circuit number of master controller dispatches from the factory usually, and must control model be set with computer terminal or special-purpose programmable device, higher to workmen's technical requirement.This mode is applied to the place that general layout is relatively more fixing and control is had relatively high expectations mostly, as hotel guest room, large stadium etc.
Four, wireless remote control
Produced coding and be modulated to transmitting set by gauge tap and launch, radio receiver demodulates coding after receiving radiowave, goes to control the break-make of power circuit again behind the coding that is received by the demoder analysis.
This kind mode advantage is the wiring that need not operation circuit, and gauge tap can move at any time.Shortcoming is to have disturbed possibility, although encode identical chance seldom, the interference of radiowave often exists, and it is also not too safe to be used for the words of remote control gate lock.Another shortcoming is that gauge tap need be used battery, needs regularly to change.Moreover a receipts circuit of radiowave is complicated, and cost is more more.
Five, infra-red remote control
Produced coding and be modulated to infrared transmitter by gauge tap and launch, infrared receiver demodulates coding after receiving infrared signal, goes to control the break-make of power circuit again behind the coding that is received by the demoder analysis.
This kind mode advantage is the wiring that need not operation circuit, and gauge tap can move at any time.Shortcoming is that ultrared transmission has directivity, can have a strong impact on reception when infrared ray is blocked, and can not control by partition wall, and infrared receiver need expose, and infrared transmitter also is difficult to be fixed on certain position.Another shortcoming is that gauge tap need be used battery, needs regularly to change.
Six, carrier remote control
Transmit the control coded signal by power circuit, advantage is that wiring is simple, is very suitable for far distance controlled.Shortcoming is to need to increase comparatively complicated carrier modulation and demodulator circuit, and the part consumer has absorption to carrier wave maybe can produce disturbing effect, and it is higher that sending out of carrier wave received circuit requirement, and cost is also high.Carrier wave is added on the power circuit and also may produces disturbing effect to some other consumer in addition.
Summary of the invention
In order to solve the above problems, the purpose of this utility model is to provide a kind of electric switch simple, with low cost, that result of use is good that uses.
The another one purpose is to provide a kind of electric switch control system of with low cost, the simple shared control line of wiring.
The technical scheme that the invention for solving the technical problem adopted is:
A kind of electric switch comprises gauge tap and controlled break-make device, and gauge tap comprises coding-decoding circuit, keyswitch and condition indication circuit, and coded data lead-out terminal, positive source terminal and ground terminal are arranged on the coding-decoding circuit of gauge tap; Controlled break-make device comprises coding-decoding circuit and control relay circuit, be useful on the output terminal that is connected between break-make consumer and the power circuit on the control relay circuit, on the coding-decoding circuit of controlled break-make device, be provided with the coded data input terminal, positive source terminal and ground terminal, gauge tap is sent the serial code data according to the coding of setting, being sent to each controlled break-make device via control line receives the decode, controlled break-make device carries out logical operation with coding that is received and the coding that itself sets, and comes the work of pilot relay control circuit according to operation result.
Further, the coded data input terminal is arranged on the coding-decoding circuit of gauge tap, be used to receive the coded data that other gauge tap is transferred to via data line, come the state of a control indication according to the result.
A kind of electric switch control system of shared control line, comprise electric switch and operation circuit, electric switch comprises gauge tap and controlled break-make device, gauge tap comprises coding-decoding circuit, keyswitch and condition indication circuit, and coded data lead-out terminal, positive source terminal and ground terminal are arranged on the coding-decoding circuit of gauge tap; Controlled break-make device comprises coding-decoding circuit and control relay circuit, be useful on the output terminal that is connected between break-make consumer and the power circuit on the control relay circuit, on the coding-decoding circuit of controlled break-make device, be provided with coded data input terminal, positive source terminal and ground terminal; Operation circuit includes control data line, dc power anode line and direct supply and data ground wire totally three lines, is connected with the data ground wire by above-mentioned control data line, dc power anode line and direct supply between coded data input terminal, positive source terminal and the ground terminal of the coding-decoding circuit on the coded data lead-out terminal of the coding-decoding circuit on the gauge tap, positive source terminal and ground terminal and the controlled break-make device;
Gauge tap is sent the serial code data according to the coding of setting, being sent to each controlled break-make device via control line receives the decode, controlled break-make device carries out logical operation with coding that is received and the coding that itself sets, and comes the work of pilot relay control circuit according to operation result.
Further, the coded data input terminal is arranged on the coding-decoding circuit of gauge tap, be used to receive the coded data that other gauge tap is transferred to via data line, come the state of a control indication according to the result.
The beneficial effects of the utility model are: adopt the control system of the electric switch of this shared control line, following characteristics are arranged:
One, all consumers all are connected in parallel on the power circuit through behind the lead-out terminal of controlled break-make device in the system, three control ends of all gauge tap and controlled break-make device also all are connected on the operation circuit with parallel form in the system, compare with the direct control mode that adopt now mostly, only need to increase by three low voltage control circuits, can save the alternating electromotive force circuit that commutes switch, wiring is simple and easy to bright.
Two, gauge tap only connects low-voltage dc power supply, isolates with the alternating electromotive force circuit, and a gauge tap contact control level changes, and electric current is very little, does not produce spark, so people's manual manipulation is fool proof.Material to gauge tap requires also greatly to reduce.Gauge tap can be done more small-sizedly and be attractive in appearance, installs also more convenient.
Three, control with wired mode, gauge tap and controlled break-make device do not need complicated emission modulation and receiving demodulation circuit, and antijamming capability is strong, and is safe and reliable.
Four, any one wiring all is no more than six lines (ground wire that comprises power circuit), and operation circuit is no more than three lines, the plan and the enforcement of convenient wiring, also convenient gauge tap and the consumer of increasing later on.
Five, the internal circuit of gauge tap and controlled break-make device all can manually be provided with coding, need not special-purpose programming tool.Gauge tap and controlled break-make device possess the coding of transmission simultaneously and receive decoding function, also adopt multiple code encoding/decoding mode, make control more diversification, the hommization of gauge tap to consumer.For example can realize indivedual controls, multi-joint control, grouping control, pattern control, all control and state indications etc.
Six, gauge tap and controlled break-make device disperse independently what what adorn with, and be economical and practical.
Native system is controlled the on/off of consumer at a distance with the wired remote control mode, can be applicable to the on/off control of places illumination such as household, school, office, factory, hotel, stage and other consumer.According to application need, the one or more controlled break-make devices of each gauge tap may command in the system, each controlled break-make device is controlled by one or more gauge tap also can.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1 is the theory diagram of the utility model electric switch;
Fig. 2 is the embodiment circuit diagram of the utility model electric switch;
Fig. 3 is a system chart of the present utility model;
Fig. 4 is a program flow diagram of the present utility model.
Embodiment
The ultimate principle of a kind of electric switch of the present utility model and electric switch control system thereof is to send the serial code data by gauge tap according to the coding of setting, being sent to each controlled break-make device via operation circuit receives the decode, controlled break-make device carries out logical operation with coding that is received and the coding that itself sets, and comes the on off operating mode of control circuit according to operation result.
With reference to Fig. 1, Fig. 2, a kind of electric switch of the present utility model, comprise gauge tap and controlled break-make device, gauge tap comprises coding-decoding circuit, keyswitch and condition indication circuit, and coded data lead-out terminal, positive source terminal and ground terminal are arranged on the coding-decoding circuit of gauge tap; Controlled break-make device comprises coding-decoding circuit and control relay circuit, be useful on the output terminal that is connected between break-make consumer and the power circuit on the control relay circuit, on the coding-decoding circuit of controlled break-make device, be provided with the coded data input terminal, positive source terminal and ground terminal, gauge tap is sent the serial code data according to the coding of setting, being sent to each controlled break-make device via control line receives the decode, controlled break-make device carries out logical operation with coding that is received and the coding that itself sets, and comes the work of pilot relay control circuit according to operation result.
Further, for the ease of on other gauge tap, showing the state of controlled plant, the coded data input terminal is arranged on the coding-decoding circuit of gauge tap, be used to receive the coded data that other gauge tap is transferred to via data line, come the state of a control indication according to the result.Wherein, this coded data input terminal can be same parts with the coded data lead-out terminal of the coding-decoding circuit of this gauge tap.
The coding-decoding circuit of the coding-decoding circuit of described gauge tap and described controlled break-make device comprises the encoding setting input circuit of being made up of a plurality of toggle switches, and is easy to use, simple.
The coding-decoding circuit of the coding-decoding circuit of described gauge tap and described controlled break-make device includes respectively that group coding is provided with input circuit, input circuit is set individual encoded and pattern-coding is provided with input circuit, and function is more complete.
Further, with reference to Fig. 1, Fig. 2, in conjunction with Fig. 3, a kind of electric switch control system of shared control line, comprise electric switch and operation circuit, electric switch comprises gauge tap and controlled break-make device, and gauge tap comprises coding-decoding circuit, keyswitch and condition indication circuit, and coded data lead-out terminal, positive source terminal and ground terminal are arranged on the coding-decoding circuit of gauge tap; Controlled break-make device comprises coding-decoding circuit and control relay circuit, be useful on the output terminal that is connected between break-make consumer and the power circuit on the control relay circuit, on the coding-decoding circuit of controlled break-make device, be provided with coded data input terminal, positive source terminal and ground terminal; Operation circuit includes control data line, dc power anode line and direct supply and data ground wire totally three lines, be connected with the data ground wire by above-mentioned control data line, dc power anode line and direct supply between coded data input terminal, positive source terminal and the ground terminal of the coding-decoding circuit on the coded data lead-out terminal of the coding-decoding circuit on the gauge tap, positive source terminal and ground terminal and the controlled break-make device, gauge tap and controlled break-make device all are connected in parallel on three lines of operation circuit.
Gauge tap is sent the serial code data according to the coding of setting, being sent to each controlled break-make device via control line receives the decode, controlled break-make device carries out logical operation with coding that is received and the coding that itself sets, and comes the work of pilot relay control circuit according to operation result.
Equally, the coded data input terminal is arranged on the coding-decoding circuit of gauge tap, be used to receive the coded data that other gauge tap is transferred to via data line, come the state of a control indication according to the result.
The coding-decoding circuit of the coding-decoding circuit of described gauge tap and described controlled break-make device comprises the encoding setting input circuit of being made up of a plurality of toggle switches.
The coding-decoding circuit of the coding-decoding circuit of described described gauge tap and described controlled break-make device includes respectively that group coding is provided with input circuit, input circuit is set individual encoded and pattern-coding is provided with input circuit.
Be described further, to be its direct supply from the alternating electromotive force circuit change the 220V alternating current makes the 12V direct current into for this electric switch and system, provides direct-current working volts by operation circuit each gauge tap and controlled break-make device in system.
The electrical schematic diagram of the gauge tap of native system and controlled break-make device such as Fig. 2, a coding-decoding circuit has all been adopted in the inside, this coding-decoding circuit has the function of sending coding and received code concurrently, can add peripheral circuit by a single-chip microcomputer EM78P221N realizes making, integrated circuit EM78P221N onboard clock oscillator, 22 I/O pin are arranged, program flow diagram such as Fig. 4.
The pin function explanation and the principle of work of coding-decoding circuit are as follows: (convenient for explaining, all represent high level herein with " H ", " L " represents low level)
G0-G4: group coding is provided with input.G0-G4 encodes with five binary modes, is applied to " full prosecutor formula " during wherein entirely for L, so can divide 2 ∧ 5-1=31 groups at most in a system.
P0-P5: individual encoded is provided with input.P0-P5 encodes with six binary modes, is applied to " group prosecutor formula " during wherein entirely for H or entirely for L, so can establish 2 a ∧ 6-2=62 individual encoded at most in a group.
M1-M6: pattern-coding is provided with input.Pattern control will be worked when having one to be set to L among the M1-M6, can compile 6 patterns at most, and pattern control was inoperative when M1-M6 was H entirely.
DIO: coded data serial input/output terminal, connect the shared data line, built-in pull-up resistor is H when not busy.
DT: coded data sends control end.Send coded data one time by the DIO end when input becomes L (being that negative edge arrives) by H,, then wouldn't send coding, receive data earlier, send coding again after waiting to receive if there are data to transmit on the data line.Rising edge arrival, long-term H or long-term L all ignore.
CLO: locking control output end.The decoding back is according to the control signal of corresponding condition output locking form.
CTO: pulse control output end.The decoding back is according to the control signal of corresponding condition output impulse form, and convenient control is only worked in " indivedual control mode " with the consumer (as doorbell, electric control lock etc.) of impulse form control.
GND: power supply ground and signal ground.
VCC: positive source input end.
The P50 to P53 of EM78P221N and P64 to P67 port can be provided with internal pull-up resistor, and other input end peripheral hardware pull-up resistor is R8 to R18.All available switch open circuit of encoding settings such as G0-G4, P0-P5, M1-M6 inputs or the method input end that connects positive source are set to H, and the method input end of also available switch ground short circuit is set to L.
+ 12V voltage is delivered to R1 through D1, and D1 plays the forward protective effect, and R1, D2, C1 constitute the current limliting mu balanced circuit; provide operating voltage about 5V to U1; D1 and C1 also have the electric power storage effect, can keep the operating voltage of U1 when system+12V power supply dead electricity at short notice, to keep duty.
Coding-decoding circuit is connected to switch and condition indication circuit is just formed gauge tap, and principle of work is as follows:
SW1 is a keyswitch, click when needing control to allow DT become L (negative edge arrivals) by H, thereby in DIO pin output serial code data, the serial code data content comprises codings such as G0-G4, P0-P5, M1-M6, initial and end code, than to sign indicating number etc.
Can be in when this gauge tap is not sent out coded signal to receive and send out encoding state, when other gauge tap is sent coded signal, this gauge tap also can be received coded data, and restores codings such as the G0-G4, the P0-P5 that receive, M1-M6, again with the various encoding ratios of itself setting.According to program circuit, CLO pin output H when meeting " opening " condition, high level causes transistor Q1 base stage by R2 and makes transistor Q1 conducting, and the LED1 red light is bright, indication " opening " state; CLO pin output L when meeting " pass " condition, transistor Q1 by ,+12V voltage causes transistor Q2 base stage by R4 and R5 makes transistor Q2 conducting, the LED2 green light is bright, indication " pass " state.R3 is a current-limiting resistance.
Coding-decoding circuit is connected to relay road control circuit and just forms controlled break-make device, and principle of work is as follows:
DT is H for a long time, and coding-decoding circuit is only received and do not sent out.
When gauge tap was sent coded signal, the DIO end can be received coded data, and restored codings such as the G0-G4, the P0-P5 that receive, M1-M6, again with the various encoding ratios of itself setting.According to program circuit, CLO pin output H when meeting " opening " condition, high level causes transistor Q3 base stage by R6 and makes transistor Q3 conducting, and the magnetic coil of relay R ELAY1 has electric current to flow through, the Magnetic sucking switch adhesive, two output terminals (OUT) are with conducting; CLO pin output L when meeting " pass " condition, transistor Q1 ends, and the magnetic coil of relay R ELAY1 does not have electric current to flow through, and Magnetic sucking switch disconnects, and two output terminals will turn-off.
R7 is a current-limiting resistance, and relay R ELAY1 can be with the relay (as solid-state relay) of electromagnetic type or other type, and control principle is identical.
When controlled consumer is impulse form work (as doorbell, an electric control lock etc.), an end that R6 be connected CLO disconnects and reconfiguration is held to CTO.
The sum of a configurable gauge tap of system and controlled break-make device mainly depends on the load capacity of direct supply and the output driving force of gauge tap DIO pin.
Circuit among Fig. 2, the P65 pin of integrated circuit EM78P221N as output the time spent the low-voltage output current greater than 50mA, and it as the pull-down current of input time spent less than 0.1mA, this system is only considering that the sum of configurable gauge tap and controlled break-make device can reach 500 under the output driving force situation of DIO pin so.
Consider that from the load capacity aspect of direct supply the output current of direct supply gets final product greater than the maximum operating currenbt summation of all gauge tap in the system and controlled break-make device.For example in a system 100 gauge tap and 100 controlled break-make devices are arranged, the maximum operating currenbt of gauge tap is 3mA, and the maximum operating currenbt of controlled break-make device is 20mA, and this output current that is used for the direct supply of system must be greater than 2300mA so.
According to above-mentioned principle and program circuit, native system can be realized following four kinds of major control modes:
Once, full prosecutor formula: press a gauge tap can control system in all controlled break-make devices be off status simultaneously.
The G0-G4 of gauge tap is made as L entirely, can becomes the gauge tap of " all closing ".
The G0-G4 that controlled break-make device receives in the system is entirely for turn-offing behind the L.
Except that full prosecutor formula is made as G0-G4 the L entirely, below other control mode be not on the basis of L entirely all based on G0-G4.
Two, group prosecutor formula: press a gauge tap can control system in the controlled break-make device of same group (being that group coding is all identical) simultaneously for off status or open state.
P0-P5, the M1-M6 of gauge tap are made as H entirely, can become the gauge tap of " complete shut-down on the same group ".
If the G0-G4 of controlled break-make device setting and the G0-G4 that receives are identical, P0-P5 is H entirely for H, M1-Mz entirely, controlled break-make device can turn-off.
The P0-P5 of gauge tap is made as L entirely, can becomes the gauge tap of " standard-sized sheet on the same group ".
If the G0-G4 of controlled break-make device setting and the G0-G4 that receives are identical, P0-P5 is L entirely, controlled break-make device can conducting.
Three, indivedual control modes: separately some or several controlled break-make devices are controlled.
The P0-P5 of gauge tap is not made as full H or full L, can becomes the gauge tap of " indivedual control ".
Identical and the P0-P5 of the P0-P5 of controlled break-make device setting and the P0-P5 that receives is not during entirely for H or entirely for L, controlled break-make device can become and original opposite state, so just can realize the break-make conversion, export the pulse signal (about 0.2 second) of a H simultaneously at the CTO end.
Four, mode controlling mode: in same group, allow some controlled break-make device when accepting indivedual gauge tap controls separately, also can accept the control of another one mode control switch.So only need click some mode control switch, just can allow some qualified controlled break-make device conducting in same group, ineligible controlled break-make device disconnection.Make intrasystem each consumer open or to close by the needs of certain pattern.
Select 1 to be made as L among the P0-P5 of gauge tap is made as H, M1-M6 entirely, can become and to realize the mode control switch of " common mode is opened, different mode closes, non-mode be provided with constant " function.
As long as the M1-M6 of controlled break-make device setting has wherein corresponding L of being all with the M1-M6 that receives, controlled break-make device all can conducting, and the meeting that does not have a correspondence to be all L is turn-offed.
If the M1-Mz that controlled break-make device is provided with is H entirely, then do not change on off operating mode.
More than various control modes a plurality of identical gauge tap can be set, to reach the purpose of " multi-joint control ".
Because gauge tap is identical with the coding-decoding circuit of controlled break-make device, so the reaction that gauge tap receives after the coded data is same with the response class of controlled break-make device, be controlled break-make device control circuit break-make, gauge tap then is that state of a control is indicated.
Certainly, the invention is not limited to above-mentioned embodiment, as long as it reaches technique effect of the present utility model with essentially identical means, all should belong to protection domain of the present utility model.
Claims (8)
1, a kind of electric switch, it is characterized in that: comprise gauge tap and controlled break-make device, gauge tap comprises coding-decoding circuit, keyswitch and condition indication circuit, and coded data lead-out terminal, positive source terminal and ground terminal are arranged on the coding-decoding circuit of gauge tap; Controlled break-make device comprises coding-decoding circuit and control relay circuit, be useful on the output terminal that is connected between break-make consumer and the power circuit on the control relay circuit, on the coding-decoding circuit of controlled break-make device, be provided with the coded data input terminal, positive source terminal and ground terminal, gauge tap is sent the serial code data according to the coding of setting, being sent to each controlled break-make device via control line receives the decode, controlled break-make device carries out logical operation with coding that is received and the coding that itself sets, and comes the work of pilot relay control circuit according to operation result.
2, a kind of electric switch according to claim 1, it is characterized in that: the coded data input terminal is arranged on the coding-decoding circuit of gauge tap, be used to receive the coded data that other gauge tap is transferred to via data line, come the state of a control indication according to the result.
3, a kind of electric switch according to claim 1 is characterized in that: the coding-decoding circuit of the coding-decoding circuit of described gauge tap and described controlled break-make device comprises the encoding setting input circuit of being made up of a plurality of toggle switches.
4, a kind of electric switch according to claim 1 is characterized in that: the coding-decoding circuit of the coding-decoding circuit of described gauge tap and described controlled break-make device includes respectively that group coding is provided with input circuit, input circuit is set individual encoded and pattern-coding is provided with input circuit.
5, a kind of electric switch control system of shared control line, it is characterized in that: comprise electric switch and operation circuit, electric switch comprises gauge tap and controlled break-make device, gauge tap comprises coding-decoding circuit, keyswitch and condition indication circuit, and coded data lead-out terminal, positive source terminal and ground terminal are arranged on the coding-decoding circuit of gauge tap; Controlled break-make device comprises coding-decoding circuit and control relay circuit, be useful on the output terminal that is connected between break-make consumer and the power circuit on the control relay circuit, on the coding-decoding circuit of controlled break-make device, be provided with coded data input terminal, positive source terminal and ground terminal; Operation circuit includes control data line, dc power anode line and direct supply and data ground wire totally three lines, is connected with the data ground wire by above-mentioned control data line, dc power anode line and direct supply between coded data input terminal, positive source terminal and the ground terminal of the coding-decoding circuit on the coded data lead-out terminal of the coding-decoding circuit on the gauge tap, positive source terminal and ground terminal and the controlled break-make device;
Gauge tap is sent the serial code data according to the coding of setting, being sent to each controlled break-make device via control line receives the decode, controlled break-make device carries out logical operation with coding that is received and the coding that itself sets, and comes the work of pilot relay control circuit according to operation result.
6, the electric switch control system of a kind of shared control line according to claim 5, it is characterized in that: the coded data input terminal is arranged on the coding-decoding circuit of gauge tap, be used to receive the coded data that other gauge tap is transferred to via data line, come the state of a control indication according to the result.
7, the electric switch control system of a kind of shared control line according to claim 5 is characterized in that: the coding-decoding circuit of the coding-decoding circuit of described gauge tap and described controlled break-make device comprises the encoding setting input circuit of being made up of a plurality of toggle switches.
8, the electric switch control system of a kind of shared control line according to claim 5 is characterized in that: the coding-decoding circuit of the coding-decoding circuit of described described gauge tap and described controlled break-make device includes respectively that group coding is provided with input circuit, input circuit is set individual encoded and pattern-coding is provided with input circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820045209XU CN201203945Y (en) | 2008-03-21 | 2008-03-21 | Electric switch and control system thereof sharing control lines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820045209XU CN201203945Y (en) | 2008-03-21 | 2008-03-21 | Electric switch and control system thereof sharing control lines |
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| Publication Number | Publication Date |
|---|---|
| CN201203945Y true CN201203945Y (en) | 2009-03-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU200820045209XU Expired - Fee Related CN201203945Y (en) | 2008-03-21 | 2008-03-21 | Electric switch and control system thereof sharing control lines |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009114984A1 (en) * | 2008-03-21 | 2009-09-24 | Shi Baoxin | Electrical switch and electrical switch control system for a shared control wire |
| CN101916092A (en) * | 2010-07-19 | 2010-12-15 | 北京中电飞华通信股份有限公司 | Switching value controller, interactive terminal and intelligent home control system and method |
-
2008
- 2008-03-21 CN CNU200820045209XU patent/CN201203945Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009114984A1 (en) * | 2008-03-21 | 2009-09-24 | Shi Baoxin | Electrical switch and electrical switch control system for a shared control wire |
| CN101916092A (en) * | 2010-07-19 | 2010-12-15 | 北京中电飞华通信股份有限公司 | Switching value controller, interactive terminal and intelligent home control system and method |
| CN101916092B (en) * | 2010-07-19 | 2012-08-22 | 北京中电飞华通信股份有限公司 | Switching value controller, interactive terminal and intelligent home control system and method |
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