CN2324200Y - Induction flushing device - Google Patents
Induction flushing device Download PDFInfo
- Publication number
- CN2324200Y CN2324200Y CN 98223835 CN98223835U CN2324200Y CN 2324200 Y CN2324200 Y CN 2324200Y CN 98223835 CN98223835 CN 98223835 CN 98223835 U CN98223835 U CN 98223835U CN 2324200 Y CN2324200 Y CN 2324200Y
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- circuit
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- triode
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Abstract
The utility model relates to an induction flushing device which comprises an electric valve 1, a signal source 5, a transmitting circuit 2, a receiving circuit 3, a drive circuit 4, and a demodulation circuit 6. The signal source 5 is composed of a wave carrying circuit 51, a modulation signal circuit 52, and a modulation circuit 53. Infrared signals generated by the wave carrying circuit 51 and modulation signals generated by the modulation signal circuit 52 are added together to the modulation circuit 53. Modulated waves is transmitted by the transmitting circuit 2, the receiving circuit 3 receives the modulated waves reflected by barriers and generates modulation signals after demodulation and recovery, and the modulation signals are used as the switching signals of the electric valve 1 to control the open and the closure of the electric valve 1.
Description
The utility model relates to a kind of flushing device of handling with electric power, particularly a kind of Induction flushing device.
General Induction flushing device is directly launched infrared rays, and with the infrared signal that the receives reflected back switching signal as electromagnetic valve.Transmitting that this independent infrared rays is formed not only is subject to the interference effect of natural light and electric light source, and, also can be subjected to the interference of the infrared emission line launched with other Induction flushing device that install the chamber, so anti-interference is poor, very easily misoperation.
The purpose of this utility model is to overcome weak point of the prior art, and provides a kind of antijamming capability strong, is difficult for the Induction flushing device of misoperation.
The purpose of this utility model realizes by following approach.
Induction flushing device, comprise motor operated valve, signal source, radiating circuit, receiving circuit and drive circuit, it forms main points: signal source comprises carrier circuit, modulating signal circuit and modulation circuit, a kind of demodulator circuit is plugged between receiving circuit and the drive circuit, carrier circuit is connected with modulation circuit respectively with modulating signal circuit, modulation circuit is connected with radiating circuit, receiving circuit is connected with the motor operated valve electric connecting terminal with drive circuit by demodulator circuit, the modulation signal that infrared signal and modulating signal circuit produced that carrier circuit produced is added to modulation circuit together, finish modulation, modulated wave is launched through radiating circuit, receiving circuit receives by this modulated wave of obstruction reflected back, and be sent to demodulator circuit and demodulate modulation signal, this modulation signal is as switching signal source the opening or closing with the control motor operated valve of motor operated valve.
The purpose of this utility model can also realize by following approach.
Also comprise a kind of comparison circuit, comparison circuit is plugged between demodulator circuit and the drive circuit, another input of modulating signal circuit and comparison circuit is connected, the modulation signal that demodulates compares with modulation signal that modulating signal circuit is transmitted in comparison circuit, when the two was consistent, comparison circuit produced a control signal opening or closing through drive circuit control motor operated valve.
It is in 567 the chip that modulating signal circuit and comparison circuit are included in model, it is in 555 the chip that carrier circuit and modulation circuit then are included in model, radiating circuit is made up of triode and infraluminescence diode, receiving circuit and demodulator circuit all are included in the infrared ray absorbing head, drive circuit is made up of triode and controllable silicon, chip 567 " 5 " pin are connected with chip 555 " 4 " pin by triode, chip 555 " 3 " pin are connected with transistor base, triode is connected with infrarede emitting diode, an infrared ray absorbing signal output part is connected with chip 567 " 3 " pin, chip 567 " 8 " pin are connected with transistor base, transistor collector is connected with the SCR control end, the electromagnetic valve electric connecting terminal is connected with controllable silicon and forms the electrograph road, chip 567 " 5 " pin output square-wave signal amplifies " 4 " pin that is added to chip 555 through the triode shaping, chip 555 self is finished carrier frequency oscillation and modulation output function, the carrier frequency modulation signal of 555 " 3 " pin output is launched by infrarede emitting diode behind triode, the infrared signal of launching reflexes to the receive window of power termination, be absorbed a receiving demodulation and go out modulation signal, capacitive coupling is to " 3 " pin of chip 567 after the process diode double limiting, be added to the signal of " 3 " pin and the oscillator signal of 567 inside and carry out frequency ratio to confirm identity, if same frequency, then " 8 " pin by the high potential saltus step to electronegative potential, thereby produce a control signal, be added to the base stage of triode, triode was ended by saturated transferring to, thereby at high potential signal of colelctor electrode output, drive and trigger the controllable silicon conducting, electromagnetic valve gets electric work.
In sum, utilize amplitude-modulated wave to replace pure infrared signal, improve the anti-interference of signal, and modulation signal after the demodulation reduction and inner modulation signal source are compared with the affirmation identity, thereby guarantee can not touch work.
Accompanying drawing 1 is the block diagram of the utility model most preferred embodiment.
Accompanying drawing 2 is circuit diagrams of the utility model most preferred embodiment.
Below we carry out more detailed description to the utility model in conjunction with the accompanying drawings.Most preferred embodiment:
With reference to accompanying drawing 1, Induction flushing device is made up of motor operated valve 1, signal source 5, radiating circuit 2, receiving circuit 3, drive circuit 4, demodulator circuit 6 and comparison circuit 7.Motor operated valve 1 is a kind of solenoid operated directional valve and water tap control connection, and motor operated valve 1 circuit control section is connected with drive circuit 4; Signal source 5 is made up of carrier circuit 51, modulating signal circuit 52 and modulation circuit 53, and carrier circuit 51 is connected with modulation circuit 53 respectively with modulating signal circuit 52; Modulation circuit 53 is connected with radiating circuit 2; Receiving circuit 3 is connected with drive circuit 4 by demodulator circuit 6, comparison circuit 7 successively, and modulating signal circuit 52 another signal output parts are connected with comparison circuit 7.
With reference to accompanying drawing 2, Induction flushing device, it is in 567 the chip that modulating signal circuit 52 and comparison circuit 7 are included in model, it is in 555 the chip that 53 of carrier circuit 51 and modulation circuits are included in model, radiating circuit 2 is made up of triode A1 and infraluminescence diode D1, receiving circuit 3 and demodulator circuit 6 all are included among the infrared ray absorbing D2, drive circuit 4 is made up of triode A2 and controllable silicon S1, chip 567 " 5 " pin are connected with chip 555 " 4 " pin by triode A3, chip 555 " 3 " pin are connected with triode A2 base stage, triode A1 is connected with infrarede emitting diode D1, an infrared ray absorbing D2 signal output part is connected with chip 567 " 3 " pin, chip 567 " 8 " pin are connected with transistor base A2, triode A2 colelctor electrode is connected with the SCR control end, electromagnetic valve 1 electric connecting terminal is connected with controllable silicon S1 and forms the electrograph road, chip 567 " 5 " pin output square-wave signal amplifies " 4 " pin that is added to chip 555 through triode A3 shaping, chip 555 self is finished carrier frequency oscillation and modulation output function, the carrier frequency modulation signal of 555 " 3 " pin output is launched by infrarede emitting diode D1 behind triode A1, the infrared signal of launching reflexes to the receive window of power termination, be absorbed a receiving demodulation and go out modulation signal, capacitive coupling is to " 3 " pin of chip 567 after the process diode double limiting, be added to the signal of " 3 " pin and the oscillator signal of 567 inside and carry out frequency ratio to confirm identity, if same frequency, then " 8 " pin by the high potential saltus step to electronegative potential, thereby produce a control signal, be added to the base stage of triode A2, triode A2 is by running and transferring to and ending, thereby at high potential signal of colelctor electrode output, drive and trigger controllable silicon S1 conducting, electromagnetic valve 1 gets electric work.
It is same as the prior art that the blue example of this reality is stated part.
Label declaration:
1 motor-driven valve, 2 radiating circuits, 3 receiving circuits 4 drive phone
5 signal sources, 51 carrier circuits, 52 modulating signal circuits, 53 modulation circuits
6 demodulator circuits, 7 comparison circuit A1 triode A2 triodes
An A3 triode D1 infrarede emitting diode D2 infrared ray absorbing S1 controllable silicon
Claims (3)
1, Induction flushing device, comprise motor operated valve (1), signal source (5), radiating circuit (2), receiving circuit (3) and drive circuit (4), it is characterized in that, signal source (5) comprises carrier circuit (51), modulating signal circuit (52) and modulation circuit (53), a kind of demodulator circuit (6) is plugged between receiving circuit (3) and the drive circuit (4), carrier circuit (51) is connected with modulation circuit (53) respectively with modulating signal circuit (52), modulation circuit (53) is connected with radiating circuit (2), receiving circuit (3) is connected with motor operated valve (1) electric connecting terminal with drive circuit (4) by demodulator circuit (6), the modulation signal that infrared signal that carrier circuit (51) is produced and modulating signal circuit (52) are produced is added to modulation circuit (53) together, finish modulation, modulated wave is launched through radiating circuit (2), receiving circuit (3) receives by this modulated wave of obstruction reflected back, and be sent to demodulator circuit (6) and demodulate modulation signal, this modulation signal is as switching signal source the opening or closing with control motor operated valve (1) of motor operated valve (1).
2, Induction flushing device according to claim 1, it is characterized in that, also comprise a kind of comparison circuit (7), comparison circuit (7) is plugged between demodulator circuit (6) and the drive circuit (4), modulating signal circuit (52) is connected with another input of comparison circuit (7), the modulation signal that demodulates compares with modulation signal that modulating signal circuit (52) is transmitted in comparison circuit (7), when the two was consistent, comparison circuit (7) produced a control signal opening or closing through drive circuit (4) control motor operated valve (1).
3, Induction flushing device according to claim 1, it is characterized in that, it is in 567 the chip that modulating signal circuit (52) and comparison circuit (7) are included in model, it is in 555 the chip that carrier circuit (51) and modulation circuit (53) then are included in model, radiating circuit (2) is made up of triode (A1) and infraluminescence diode (D1), receiving circuit (3) and demodulator circuit (6) all are included in the infrared ray absorbing head (D2), drive circuit (4) is made up of triode (A2) and controllable silicon (S1), chip 567 " 5 " pin are connected with chip 555 " 4 " pin by triode (A3), chip 555 " 3 " pin are connected with triode (A1) base stage, triode (A1) is connected with infrarede emitting diode (D1), infrared ray absorbing head (D2) signal output part is connected with chip 567 " 3 " pin, chip 567 " 8 " pin are connected with triode (A2) base stage, triode (A2) colelctor electrode is connected with controllable silicon (S1) control end, electromagnetic valve (1) electric connecting terminal is connected with controllable silicon (S1) and forms electric loop, chip 567 " 5 " pin output square-wave signal amplifies " 4 " pin that is added to chip 555 through triode (A3) shaping, chip 555 self is finished carrier frequency oscillation and modulation output function, the carrier frequency modulation signal of 555 " 3 " pin output is launched by infrarede emitting diode (D1) behind triode (A1), the infrared signal of launching reflexes to the receive window of power termination, be absorbed a receiving demodulation and go out modulation signal, capacitive coupling is to " 3 " pin of chip 567 after the process diode double limiting, be added to the signal of " 3 " pin and the oscillator signal of 567 inside and carry out frequency ratio to confirm identity, if same frequency, then " 8 " pin by the high potential saltus step to electronegative potential, thereby produce a control signal, be added to the base stage of triode (A2), triode (A2) was ended by saturated transferring to, thereby at high potential signal of colelctor electrode output, drive and trigger controllable silicon (S1) conducting, electromagnetic valve (1) gets electric work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98223835 CN2324200Y (en) | 1998-04-27 | 1998-04-27 | Induction flushing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98223835 CN2324200Y (en) | 1998-04-27 | 1998-04-27 | Induction flushing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2324200Y true CN2324200Y (en) | 1999-06-16 |
Family
ID=33974838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98223835 Expired - Fee Related CN2324200Y (en) | 1998-04-27 | 1998-04-27 | Induction flushing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2324200Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100552152C (en) * | 2004-03-18 | 2009-10-21 | 美国思龙阀门公司 | The system and method that the improvement of concealed plumbing flush valves is installed and controlled |
-
1998
- 1998-04-27 CN CN 98223835 patent/CN2324200Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100552152C (en) * | 2004-03-18 | 2009-10-21 | 美国思龙阀门公司 | The system and method that the improvement of concealed plumbing flush valves is installed and controlled |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |