CN206637086U - Ultrasonic wave automatic control shower switch circuit - Google Patents
Ultrasonic wave automatic control shower switch circuit Download PDFInfo
- Publication number
- CN206637086U CN206637086U CN201720354663.2U CN201720354663U CN206637086U CN 206637086 U CN206637086 U CN 206637086U CN 201720354663 U CN201720354663 U CN 201720354663U CN 206637086 U CN206637086 U CN 206637086U
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- CN
- China
- Prior art keywords
- ultrasonic wave
- circuit
- phase lock
- lock circuitry
- resistance
- 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
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- Bathtubs, Showers, And Their Attachments (AREA)
Abstract
The utility model discloses a kind of ultrasonic wave automatic control shower switch circuit, including ultrasonic wave transmitting circuit, ultrasonic wave receiving circuit, operational amplification circuit, phase lock circuitry and valve opening and closing circuit；Phase lock circuitry provides signal source to ultrasonic wave transmitting circuit, and then ultrasonic wave transmitting circuit sends ultrasonic wave, ultrasonic wave receiving circuit receives the ultrasonic wave through reflection and is converted into an electric signal, the electric signal is exported to phase lock circuitry after operational amplification circuit amplifies, and phase lock circuitry is by the frequency of the electric signal received compared with the frequency of local oscillation：If frequency is identical, phase lock circuitry control valve opens and closes circuit Open valve, shower is sprayed water；If frequency is different, phase lock circuitry control valve opens and closes circuit and closes valve, shower is stopped water spray.The utility model can sense human body in real time, automatically control the unlatching of shower switch and close down, and make bathing more convenient and save.
Description
Technical field
The utility model belongs to household appliance technical field, more particularly to a kind of ultrasonic wave automatic control shower switch circuit.
Background technology
Need repeatedly to open and close down shower switch when people have a bath, often can all have soap on hand this when
Bubble is very inconvenient.Even also there are many some peoples, whole process does not close down shower switch, has wasted many water moneys
Source.With the development of society and the progress of science and technology, there is an urgent need to a kind of shower set for more facilitating, saving by people.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of ultrasonic wave automatic control shower switch circuit, and it can be real-time
Sense human body, automatically control the unlatching of shower switch and close down, make bathing more convenient and save.
In order to solve the above technical problems, the technical solution of the utility model is：
A kind of ultrasonic wave automatic control shower switch circuit, including ultrasonic wave transmitting circuit, ultrasonic wave receiving circuit, operation amplifier
Circuit, phase lock circuitry and valve opening and closing circuit, the ultrasonic wave transmitting circuit electrically connect with the phase lock circuitry, the ultrasonic wave
Receiving circuit electrically connects with the operational amplification circuit, and the operational amplification circuit electrically connects with the phase lock circuitry, the lock
Circuitry phase electrically connects with the valve opening and closing circuit；
The phase lock circuitry provides signal source to the ultrasonic wave transmitting circuit, and then the ultrasonic wave transmitting circuit is sent
Ultrasonic wave, the ultrasonic wave receiving circuit receive the ultrasonic wave through reflection and are converted into an electric signal, and the electric signal is through the fortune
Output to the phase lock circuitry, the phase lock circuitry shakes the frequency of the electric signal received with itself after calculating amplifying circuit amplification
The frequency swung compares：If frequency is identical, the phase lock circuitry controls the valve opening and closing circuit Open valve, enters shower
Row water spray；If frequency is different, the phase lock circuitry controls the valve opening and closing circuit to close valve, shower is stopped spray
Water.
Preferably, the phase lock circuitry includes the 8th resistance, the 5th electric capacity and tone decoder, the tone decoder
Timing capacitor end connects one end of the ultrasonic wave transmitting circuit and the 8th resistance, the timing of the tone decoder respectively
Resistance terminal connects the other end of the 8th resistance and one end of the 5th electric capacity, another termination of the 5th electric capacity respectively
Ground；The output end of the operational amplification circuit electrically connects through the second electric capacity with the input of the tone decoder, for institute
State tone decoder and input signal is provided；The output end of the tone decoder electrically connects with the valve opening and closing circuit, is used for
The valve opening and closing circuit is controlled to be turned on and off valve.
Preferably, the ultrasonic wave transmitting circuit includes ultrasonic transmitter and the first triode, first triode
Base stage connect the timing capacitor end of the tone decoder, the grounded emitter of first triode, the one or three pole
The colelctor electrode of pipe connects one end of supply voltage and the ultrasonic transmitter, another termination of the ultrasonic transmitter respectively
Ground.
Preferably, the operational amplification circuit includes the 4th resistance, the 5th resistance and operational amplifier, the 4th resistance
One end connect the ultrasonic wave receiving circuit, the other end connects one end of the 5th resistance and the operational amplifier respectively
Inverting input, the other end of the 5th resistance connects the output end of the operational amplifier, the operational amplifier
In-phase input end is grounded, and the output end of the operational amplifier is electrically connected through the second electric capacity and the input of the tone decoder
Connect.
Preferably, the ultrasonic wave receiving circuit includes ultrasonic receiver and the first electric capacity, the one of first electric capacity
End connects one end of the ultrasonic receiver, and the other end connects one end of the 4th resistance；The ultrasonic receiver
The other end is grounded.
Preferably, the valve opening and closing circuit includes the 6th resistance, the second triode and relay, second triode
Base stage connect the tone decoder output end and connection the 6th resistance to supply voltage, second triode
Emitter stage connection supply voltage, one end of the relay connects the colelctor electrode of second triode, other end ground connection, institute
Relay is stated to control being turned on and off for shower.
Preferably, the valve opening and closing circuit includes the first diode, the negative electrode connection of first diode it is described after
One end of electrical equipment, the anode of first diode connect the other end of the relay.
Preferably, the model LM567 of the tone decoder.
Preferably, ultrasonic wave automatic control shower switch circuit also includes LED, the anode of the LED connects supply voltage, described
LED minus earth.
The advantageous effects that technical scheme is brought used by the utility model are：
The utility model senses human body in real time by ultrasonic wave, and judges the electric signal of reception and this by phase lock circuitry
Whether body concussion frequency is identical, identical, illustrates someone station below shower, so as to control shower to spray water, therefore the shower
On-off circuit can be precisely controlled and automatically control, and more facilitate and save so as to allow have a bath；
The on or off of the second triode is controlled by the output of phase lock circuitry in the utility model, so by after
Electrical equipment obtains electric and power-off to control being turned on and off for electromagnetic valve, it is achieved thereby that the automatic tune of this shower switch circuit
Section, the action effect of safeguard protection；
First diode of the present utility model effectively can prevent relay to be reversed voltage breakdown；
LED of the present utility model can be with the working condition of Real Time Observation this shower switch circuit.
Action effect of the present utility model not only only has these, also, implements any product of the present utility model and differ
It is fixed to need to reach all the above advantage simultaneously.
Brief description of the drawings
Fig. 1 is a kind of circuit diagram of ultrasonic wave automatic control shower switch circuit of the embodiment of the utility model one.
Embodiment
It is new to this practicality below in conjunction with accompanying drawing to make the purpose of this utility model, technical scheme and advantage clearer
Each embodiment of type is explained in detail.
Referring to Fig. 1, a kind of ultrasonic wave automatic control shower switch circuit, including ultrasonic wave transmitting circuit, ultrasonic wave receiving circuit,
Operational amplification circuit, phase lock circuitry and valve opening and closing circuit, ultrasonic wave transmitting circuit electrically connect with phase lock circuitry, and ultrasonic wave receives
Circuit electrically connects with operational amplification circuit, and operational amplification circuit electrically connects with phase lock circuitry, phase lock circuitry and valve opening and closing circuit
Electrical connection；Phase lock circuitry provides signal source to ultrasonic wave transmitting circuit, and then ultrasonic wave transmitting circuit sends ultrasonic wave, ultrasonic wave
Receiving circuit receives the ultrasonic wave through reflection and is simultaneously converted into an electric signal, the electric signal exported after operational amplification circuit amplifies to
Phase lock circuitry, phase lock circuitry is by the frequency of the electric signal received compared with the frequency of local oscillation：If frequency is identical, phase is locked
Circuit control valve opens and closes circuit Open valve, shower is sprayed water；If frequency is different, phase lock circuitry control valve opens
Closed circuit closes valve, shower is stopped water spray.In the present embodiment, when someone station is below shower, ultrasonic wave transmitting
Circuit sends ultrasonic wave, and ultrasonic wave is received after human body reflects by ultrasonic wave receiving circuit, and now shower has water ejection；When not having
When someone station is below shower, because the distance of ground distance ultrasonic wave receiving circuit is long, it is difficult to be connect to cause ultrasonic wave
Receive, now shower does not have water ejection.
As one embodiment of the present utility model, phase lock circuitry is translated including the 8th resistance R8, the 5th electric capacity C5 and tone
Code device LM567, tone decoder LM567 timing capacitor end (6 pin) connects ultrasonic wave transmitting circuit and the 8th resistance R8 respectively
One end, tone decoder LM567 timing resistor end (5 pin) connects the 8th resistance the R8 other end and the 5th electric capacity C5 respectively
One end, the 5th electric capacity C5 the other end ground connection；The output end of operational amplification circuit is through the second electric capacity C2 and tone decoder
LM567 input electrical connection, for providing input signal to tone decoder LM567；Tone decoder LM567 output end
Electrically connected with valve opening and closing circuit, opening and closing circuit for control valve is turned on and off valve；Tone decoder LM567 output
Filter one end that end connects the 3rd electric capacity C3, the 3rd electric capacity C3 other end ground connection；Tone decoder LM567 loop filter end
(2 pin) connects the 4th electric capacity C4 one end, the 4th electric capacity C4 other end ground connection；Tone decoder LM567 earth terminal (No. 7
Pin) ground connection；Tone decoder LM567 positive power source terminal (4 pin) connects+12V supply voltages.In the present embodiment, phase lock circuitry shakes
Swing frequency f0=1/ (1.1R8C5) ≈ 40KHz.
As one embodiment of the present utility model, ultrasonic wave transmitting circuit include ultrasonic transmitter UCM-T40K1 and
First triode VT1, timing capacitor end of the first triode VT1 base stage through 3rd resistor R3 connection tone decoders LM567
(6 pin), the first triode VT1 grounded emitter, the first triode VT1 colelctor electrode is through second resistance R2 connection+12V power supplys
Voltage and the first triode VT1 colelctor electrode connection ultrasonic transmitter UCM-T40K1 one end, ultrasonic transmitter UCM-
T40K1 other end ground connection.
As one embodiment of the present utility model, operational amplification circuit includes the 4th resistance R4, the 5th resistance R5 and fortune
Amplifier LM741, the 4th resistance R4 one end connection ultrasonic wave receiving circuit are calculated, the other end connects the one of the 5th resistance R5 respectively
End and operational amplifier LM741 inverting input, the 5th resistance R5 other end concatenation operation amplifier LM741 output
End, operational amplifier LM741 in-phase input end ground connection, operational amplifier LM741 output end is through the second electric capacity C2 and tone
Decoder LM567 input electrical connection.In the present embodiment, operational amplification circuit is antiphase amplifying circuit, its multiplication factor
For Av=R5/R4=10, the now signal of the phase of the output end signal of operational amplification circuit and input opposite in phase.
As one embodiment of the present utility model, ultrasonic wave receiving circuit include ultrasonic receiver UCM-R40K1 and
First electric capacity C1；First electric capacity C1 one end connection ultrasonic receiver UCM-R40K1 one end, the other end connect the 4th resistance
R4 one end；Ultrasonic receiver UCM-R40K1 other end ground connection.
As one embodiment of the present utility model, valve opening and closing circuit includes the 6th resistance R6, the 7th resistance R7, first
Diode VD1, the second triode VT2 and relay KA, the 7th resistance R7 one end connect the defeated of tone decoder LM567 respectively
Go out end (No. 8 pin) and the 6th resistance R6 one end, the other end of the 7th resistance connects the second triode VT2 base stage, the 6th electricity
Resistance R6 another termination+12V supply voltages, the second triode VT2 emitter stage connection+12V supply voltages, the one of relay KA
End connects the second triode VT2 colelctor electrode and the first diode VD1 negative electrode respectively, and the other end connects the first diode respectively
VD1 anode and ground, the first diode VD1 are used for protective relay KA, prevent that relay KA is reversed voltage breakdown, and relay
Device KA is controlling being turned on and off for shower.
As one embodiment of the present utility model, ultrasonic wave automatic control shower switch circuit includes LED, and LED anode connects
Supply voltage, LED minus earth.When LED lights, illustrate the circuit normal power supply；When LED extinguishes, illustrate the circuit
Circuit abnormality occurs for power-off.
As one embodiment of the present utility model, a kind of operation principle of ultrasonic wave automatic control shower switch circuit is as follows：
Phase lock circuitry provides signal source, and then ultrasonic transmitter using the oscillator signal of itself for ultrasonic wave transmitting circuit
UCM-T40K1 sends ultrasonic wave, and ultrasonic wave is received and converted to voltage letter by ultrasonic receiver UCM-R40K1 after reflection
Number, the voltage signal is exported after anti-phase 10 times of the amplification of operational amplification circuit, and tone decoder is coupled to through the second electric capacity C2
The frequency of the frequency of input signal and local oscillation is compared by LM567 input, tone decoder LM567：Work as frequency
When identical, tone decoder LM567 output end output level is by high step-down, now the second triode VT2 conductings, relay KA
It is electric after open electromagnetic valve, have water ejection so as to shower；When frequency difference, tone decoder LM567 output end
Output high level is kept, now the second triode VT2 ends, and closes electromagnetic valve after relay KA power-off, so as to shower
Stop water spray.In the present embodiment, when someone station is below shower, ultrasonic wave is after human body reflects by ultrasonic receiver
UCM-R40K1 is received, and now shower has water ejection；When nobody station is below shower, because reflection ground distance surpasses
Acoustic receiver UCM-R40K1 is too remote, and signal is difficult to be received by ultrasonic receiver UCM-R40K1, so as to which shower does not have water
Spray.
It is described above, the only preferable embodiment of the utility model, but the scope of protection of the utility model is not
This is confined to, any one skilled in the art can readily occur in the technical scope that the utility model discloses
Change or replacement, should all cover within the scope of protection of the utility model.Therefore, the scope of protection of the utility model should
It is defined by scope of the claims.
Claims (9)
- A kind of 1. ultrasonic wave automatic control shower switch circuit, it is characterised in that：Electricity is received including ultrasonic wave transmitting circuit, ultrasonic wave Road, operational amplification circuit, phase lock circuitry and valve opening and closing circuit, the ultrasonic wave transmitting circuit are electrically connected with the phase lock circuitry Connect, the ultrasonic wave receiving circuit electrically connects with the operational amplification circuit, the operational amplification circuit and the phase lock circuitry Electrical connection, the phase lock circuitry electrically connect with the valve opening and closing circuit；The phase lock circuitry provides signal source to the ultrasonic wave transmitting circuit, and then the ultrasonic wave transmitting circuit sends ultrasound Ripple, the ultrasonic wave receiving circuit receive the ultrasonic wave through reflection and are converted into an electric signal, and the electric signal is put through the computing Output is to the phase lock circuitry after big circuit amplification, and the phase lock circuitry is by the frequency of the electric signal received and local oscillation Frequency compares：If frequency is identical, the phase lock circuitry controls the valve opening and closing circuit Open valve, is sprayed shower Water；If frequency is different, the phase lock circuitry controls the valve opening and closing circuit to close valve, shower is stopped water spray.
- 2. ultrasonic wave automatic control shower switch circuit as claimed in claim 1, it is characterised in that：The phase lock circuitry includes the 8th Resistance, the 5th electric capacity and tone decoder, the timing capacitor end of the tone decoder connect the ultrasonic wave transmitting electricity respectively Road and one end of the 8th resistance, the timing resistor end of the tone decoder connect the other end of the 8th resistance respectively With one end of the 5th electric capacity, the other end of the 5th electric capacity is grounded；The output end of the operational amplification circuit is through second Electric capacity electrically connects with the input of the tone decoder, for providing input signal to the tone decoder；The tone The output end of decoder electrically connects with the valve opening and closing circuit, for controlling the valve opening and closing circuit to be turned on and off valve Door.
- 3. ultrasonic wave automatic control shower switch circuit as claimed in claim 2, it is characterised in that：The ultrasonic wave transmitting circuit bag Ultrasonic transmitter and the first triode are included, the base stage of first triode connects the timing capacitor of the tone decoder End, the grounded emitter of first triode, the colelctor electrode of first triode connect supply voltage and described super respectively One end of pinger, the other end ground connection of the ultrasonic transmitter.
- 4. ultrasonic wave automatic control shower switch circuit as claimed in claim 3, it is characterised in that：The operational amplification circuit includes 4th resistance, the 5th resistance and operational amplifier, one end of the 4th resistance connect the ultrasonic wave receiving circuit, the other end One end of the 5th resistance and the inverting input of the operational amplifier are connected respectively, and the other end of the 5th resistance connects Connect the output end of the operational amplifier, the in-phase input end ground connection of the operational amplifier, the output of the operational amplifier End electrically connects through the second electric capacity with the input of the tone decoder.
- 5. ultrasonic wave automatic control shower switch circuit as claimed in claim 4, it is characterised in that：The ultrasonic wave receiving circuit bag Ultrasonic receiver and the first electric capacity are included, one end of first electric capacity connects one end of the ultrasonic receiver, the other end Connect one end of the 4th resistance；The other end ground connection of the ultrasonic receiver.
- 6. ultrasonic wave automatic control shower switch circuit as claimed in claim 5, it is characterised in that：The valve opening and closing circuit includes 6th resistance, the second triode and relay, the base stage of second triode connect the output end of the tone decoder with And connection the 6th resistance to supply voltage, the emitter stage of second triode connects supply voltage, the relay One end connects the colelctor electrode of second triode, other end ground connection, and the relay is controlling the unlatching of shower or pass Close.
- 7. ultrasonic wave automatic control shower switch circuit as claimed in claim 6, it is characterised in that：The valve opening and closing circuit includes First diode, the negative electrode of first diode connect one end of the relay, the anode connection of first diode The other end of the relay.
- 8. ultrasonic wave automatic control shower switch circuit as claimed in claim 2, it is characterised in that：The model of the tone decoder For LM567.
- 9. ultrasonic wave automatic control shower switch circuit as claimed in claim 1, it is characterised in that：Including LED, the sun of the LED Pole connects supply voltage, the minus earth of the LED.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720354663.2U CN206637086U (en) | 2017-04-06 | 2017-04-06 | Ultrasonic wave automatic control shower switch circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720354663.2U CN206637086U (en) | 2017-04-06 | 2017-04-06 | Ultrasonic wave automatic control shower switch circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206637086U true CN206637086U (en) | 2017-11-14 |
Family
ID=60247081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720354663.2U Expired - Fee Related CN206637086U (en) | 2017-04-06 | 2017-04-06 | Ultrasonic wave automatic control shower switch circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206637086U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108816937A (en) * | 2018-08-17 | 2018-11-16 | 中南大学湘雅医院 | A kind of cleaning machine ultrasonic control system |
| CN109700362A (en) * | 2018-11-16 | 2019-05-03 | 南宁学院 | A kind of intelligent paper sleeve based on ultrasonic distance measurement |
-
2017
- 2017-04-06 CN CN201720354663.2U patent/CN206637086U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108816937A (en) * | 2018-08-17 | 2018-11-16 | 中南大学湘雅医院 | A kind of cleaning machine ultrasonic control system |
| CN108816937B (en) * | 2018-08-17 | 2024-03-26 | 中南大学湘雅医院 | Ultrasonic control system of cleaning machine |
| CN109700362A (en) * | 2018-11-16 | 2019-05-03 | 南宁学院 | A kind of intelligent paper sleeve based on ultrasonic distance measurement |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171114 Termination date: 20190406 |