CN209604914U - Water pipe water-leakage detecting system - Google Patents
Water pipe water-leakage detecting system Download PDFInfo
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- CN209604914U CN209604914U CN201920239581.2U CN201920239581U CN209604914U CN 209604914 U CN209604914 U CN 209604914U CN 201920239581 U CN201920239581 U CN 201920239581U CN 209604914 U CN209604914 U CN 209604914U
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- water pipe
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- detecting system
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Abstract
The utility model relates to leak water detdction technical fields, it is intended to provide water pipe water-leakage detecting system, its key points of the technical solution are that including the motor-driven valve of control water pipe water inlet and the sonic detection sensor that water pipe different location is arranged in, the output end of the sonic detection sensor of receiving end is connected with the signal processing unit for amplifying and exporting input signal, the output end of the signal processing unit is connected with signal transmission unit, the output end of the signal transmission unit is connected with Cloud Server, to transmit a signal on Cloud Server, the Cloud Server is connected with backstage, the backstage includes storage unit for storing data and the display unit for showing water pipe leaking area, the signal transmission unit is connected with control unit, the output end of described control unit is connected with the first switch component for controlling motor-driven valve closing, institute It states motor-driven valve and is connected with power circuit.The utility model is suitable for carrying out the leak water detdction of water pipe before rectifying and improving water pipe.
Description
Technical field
The utility model relates to leak water detdction technical fields, more specifically, it relates to water pipe water-leakage detecting system.
Background technique
In water supply network, water pipe is with the increase of the service life, the case where being increasingly easy to appear blocking, leak, special
It is not the water pipe of aging, meanwhile, water supply generally requires disinfection, and the water resource by disinfection contains corrosivity, and perishable steel pipe makes water
Pipe gets rusty, and then impacts to the water for flowing through water pipe, makes water degradation.
Pipeline is numerous in water supply network, and modernization overlay higher cost is spent human and material resources, and leak inspection can be carried out before rectification
It surveys, replaces the water pipe of leak, only to reduce cost, use manpower and material resources sparingly.
Existing leak water detdction often uses sound and vibration method, and the sound of leak is listened attentively to using certain acoustic tool, according to leak sound
Size and sound quality feature judge the leaking area of water pipe, and Leak Noise Correlator is i.e. according to made of this principle.
But Leak Noise Correlator is easy to be caused to judge by accident, and then be difficult to find the leak feelings of water pipe by influence of noise
Condition.
Utility model content
The purpose of the utility model is to provide water pipe water-leakage detecting systems, utilize the detection signal of sonic detection sensor
It is compared with the signal of the storage unit on backstage, motor-driven valve is automatically closed when eligible, and then noise is to sound wave
The influence of detection sensor reduces, and testing result is more acurrate；Meanwhile water pipe can be by timely cutting water inlet.
The above-mentioned technical purpose of the utility model has the technical scheme that water pipe leak water detdction system
System, motor-driven valve including control water pipe water inlet and is arranged in the sonic detection sensor of water pipe different location, receiving end it is described
The output end of sonic detection sensor is connected with the signal processing unit for amplifying and exporting input signal, at the signal
The output end of reason unit is connected with signal transmission unit, and the output end of the signal transmission unit is connected with Cloud Server, will
Signal is transmitted on Cloud Server, and the Cloud Server is connected with backstage, and the backstage includes storage list for storing data
Member and the display unit for showing water pipe leaking area, the signal transmission unit are connected with control unit, and the control is single
The output end of member is connected with the first switch component for controlling motor-driven valve closing, and the motor-driven valve is connected with power circuit.
By using above-mentioned technical proposal, motor-driven valve uses electric energy as power, to realize the switch of aqueduct valve, adjust
Movement achievees the purpose that control water pipe water inlet；Water pipe is monitored using sonic detection sensor, and through signal processing unit
It is transmitted to Cloud Server with signal transmission unit, Cloud Server is connect with backstage, pre- in the storage unit on input signal and backstage
The acoustic signals first stored are compared, if unanimously, input signal stored to Cloud Server；If it is inconsistent,
Control signal is issued to control unit through signal transmission unit, first switch component actuation to control motor-driven valve closing, and then is made an uproar
Influence of the sound to sonic detection sensor reduces, and water pipe water-leakage detecting system is more acurrate to the judging result of water leakage situation；Meanwhile
Water pipe can cut off water inlet in time, achieve the purpose that reduce the outer leakage quantity of water resource.
Preferably, the signal processing unit includes operational amplifier, resistance R2, resistance R3, resistance R4 and variable electric potential
One end of device Rp, the sonic detection sensor connect power supply VCC, and the other end is grounded through resistance R1, and the resistance R2 is connected to
Between the sonic detection sensor and the noninverting input of the operational amplifier, the reverse input end of the operational amplifier
It is grounded through the resistance R3, the output end connection signal transmission unit of the operational amplifier, the output of the operational amplifier
Resistance R4 and variable potentiometer Rp are in series between end and the noninverting input of the operational amplifier.
By using above-mentioned technical proposal, the electric signal that operational amplifier exports sonic detection sensor is amplified,
To improve the sensitivity of sonic detection sensor, keep testing result more acurrate, resistance R4 and variable potentiometer Rp are for adjusting fortune
The amplification factor of amplifier is calculated, convenient for adjusting.
Preferably, the signal transmission unit is GPS/GPRS integrated chip, the GPS/GPRS integrated chip
Output end connects the input terminal of the Cloud Server.
By using above-mentioned technical proposal, integrated GPS/GPRS integrated chip will be inputted as remote tracing module
Signal is transmitted to Cloud Server, and input signal is compared with pre-stored acoustic signals in the storage unit on backstage, and leads to
The GPS information that display unit shows the leakage point is crossed, to facilitate staff to repair in time to the leaking area of water pipe.
Preferably, described control unit is Microcontroller MCS-51.
By using above-mentioned technical proposal, first switch component is controlled using Microcontroller MCS-51, at low cost, control
Make powerful, integrated level is high, small in size, good reliability, low-power consumption.
Preferably, the first switch component includes that the delay of relay KT1 and transistor VT1, the relay KT1 are broken
It opens normally opened contact KT-1 to be connected in power circuit, an output end of described control unit is through resistance R5 connection power supply VCC, institute
It states and is connected with capacitor C1 between resistance R5 and the output end of described control unit, the capacitor C1 is connected to the transistor VT1
Base stage, resistance R6 is connected between the resistance R5 and power supply VCC, the resistance R6 is connected to the base of the transistor VT1
Pole, the collector of the transistor VT1 is through the relay KT1 connection power supply VCC.
By using above-mentioned technical proposal, transistor VT1 controls relay KT1 work, when control unit is to first switch
When component output control signal, transistor VT1 conducting, relay KT1 is powered after actuation, and connection delay disconnects normally opened contact KT-1
The power circuit at place, to close the motor-driven valve of water pipe, cutting water inlet.
Preferably, the power circuit includes that the delay of the motor M, the relay KT1 of motor-driven valve disconnect normally opened contact
It KT1-1 connection power supply VCC and connects with the motor M.
By using above-mentioned technical proposal, delay disconnects normally opened contact KT1-1 and is powered after actuation, power circuit conducting, electricity
Machine M is rotated backward, so that the motor-driven valve of water pipe is closed, cutting water inlet.
Preferably, an output end of described control unit is connected with buzzer H, and the buzzer H passes through second switch
Component driving.
By using above-mentioned technical proposal, second switch component drives buzzer H movement, on-off action is played, for buzzing
Device H provides enough operating currents, and then control unit driving buzzer H issues alarm signal, convenient to prompt staff
Staff carries out repair and replacement to leak water pipe in time.
Preferably, the second switch component includes transistor VT1, and an output end of described control unit is through resistance R7
Connecting the base stage of the transistor VT1, the collector of the transistor VT1 is through the diode D buzzer H in parallel, and described two
The anode connection power supply VCC of pole pipe D.
By using above-mentioned technical proposal, transistor VT1 drives buzzer H movement, on-off action is played, for buzzer H
Enough operating currents are provided；Diode D is freewheeling diode, to provide afterflow for buzzer H, the both ends buzzer H is avoided to produce
Tens volts of raw peak voltages damage transistor VT1, or even the other parts of the entire circuit system of interference.
In conclusion the utility model has the following beneficial effects: sonic detection sensor monitoring water pipe water leakage situation,
Electric signal output is converted to after sonic detection sensor experiences leak sound.
Signal processing unit receives the output signal of sonic detection sensor and amplifies output, and output signal is transmitted through signal
Unit is transmitted to Cloud Server, and input signal is compared with acoustic signals pre-stored in background storage.
If consistent, input signal is stored to Cloud Server；If inconsistent, signal transmission unit is single to control
Member input trigger signal, control unit export to first switch component and buzzer H and control signal, first switch component actuation,
To control motor-driven valve closing, meanwhile, buzzer H issues alarm signal, and staff is prompted to repair in time.
And then influence of the noise to sonic detection sensor reduces, judgement knot of the water pipe water-leakage detecting system to water leakage situation
Fruit is more acurrate；Meanwhile water pipe can be achieved the purpose that reduce the outer leakage quantity of water resource by timely cutting water inlet.
Detailed description of the invention
Fig. 1 is the circuit connection diagram of water pipe water-leakage detecting system.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
It referring to Fig.1, is water pipe water-leakage detecting system disclosed by the utility model, including sonic detection sensor, sound wave inspection
Surveying sensor is sonar sensor or ultrasonic sensor, and sonic detection sensor is arranged on the different location of water pipe, in real time
The water leakage situation of water pipe is monitored.
The water inlet end of water pipe is provided with motor-driven valve (not shown), and motor-driven valve is used to control the water inlet of water pipe.
The output end of sonic detection sensor is connected with signal processing unit, for by the output of sonic detection sensor
Signal amplification output, signal processing unit includes operational amplifier, resistance R2, resistance R3, resistance R4 and variable potentiometer Rp, sound
One end of wave detection sensor connects power supply VCC, and the other end is grounded through resistance R1, resistance R2 be connected to sonic detection sensor and
Between the noninverting input of operational amplifier, the reverse input end of operational amplifier is grounded through resistance R3, operational amplifier it is defeated
Outlet connection signal transmission unit, is in series with resistance between the output end of operational amplifier and the noninverting input of operational amplifier
R4 and variable potentiometer Rp.
Signal transmission unit be GPS/GPRS integrated chip, the model SIM908 of GPS/GPRS integrated chip,
The output end of GPS/GPRS integrated chip is wirelessly connected with Cloud Server, and Cloud Server is connected with backstage, from the background includes being used for
The storage unit of storing data and display unit for showing water pipe leaking area, storage unit is read only memory ROM, is shown
Show that unit is display screen, the transformation result of signal processing unit is transmitted on Cloud Server by GPS/GPRS integrated chip.
GPS/GPRS integrated chip is connected with control unit, and control unit is Microcontroller MCS-51, GPS/GPRS one
The P3.0 pin for changing chip and Microcontroller MCS-51 carries out serial communication.
The P3.6 pin of Microcontroller MCS-51 is connected with the first switch component for controlling motor-driven valve closing, first switch
Component includes relay KT1 and transistor VT1, and the delay of relay KT1 disconnects normally opened contact KT-1 and is connected in power circuit,
One end of the P3.6 pin of Microcontroller MCS-51 is through resistance R5 connection power supply VCC, other end ground connection, resistance R5 and single-chip microcontroller MCS-
Capacitor C1 is connected between 51 P3.6 pin, capacitor C1 is connect with the base stage of transistor VT1, between resistance R5 and power supply VCC
It is connected with resistance R6, one end of resistance R6 is connected to the base stage of transistor VT1, and the collector of transistor VT1 connects through relay KT1
Connect power supply VCC, the emitter ground connection of transistor VT1.
The P3.7 pin of Microcontroller MCS-51 is connected with buzzer H through second switch component, and second switch component includes crystalline substance
Body pipe VT2, through the base stage of resistance R7 connection transistor VT2, the emitter of transistor VT2 connects the P3.7 pin of Microcontroller MCS-51
Ground, the collector of transistor VT2 is through the anode connection power supply VCC of diode D connection power supply VCC, diode D and the parallel connection of its both ends
Buzzer H.
The anode of diode D is grounded through capacitor C2, and capacitor C2 is played a filtering role, to filter out buzzer H to other parts
It influences, meanwhile, improve the AC impedance of power supply.
Buzzer H is passive buzzer H, by the way that duty ratio, the period of system register etc. of Microcontroller MCS-51 is arranged,
The waveform for making PWM mouthfuls of outputs meet the frequency of buzzer H requirement can make buzzer H through transistor VT2 driving to P3.7 pin
Sounding.
Motor-driven valve is connected with power circuit, and power circuit includes that the delay of the motor M and relay KT1 of motor-driven valve disconnect often
Contact KT1-1 is opened, the delay of relay KT1 disconnects normally opened contact KT1-1 connection power supply VCC and connects with motor M, motor M mono-
End ground connection.
The implementation principle of the present embodiment are as follows: be distributed in the sonar sensor or ultrasonic sensor monitoring of water pipe different location
The water leakage situation of water pipe.
After it experiences leak sound, voice signal is converted into electric signal output, signal processing unit receives sonar and passes
The output signal of sensor or ultrasonic sensor is simultaneously amplified output.
Output signal is wirelessly transmitted to Cloud Server through GPS/GPRS integrated chip, and the input signal of Cloud Server is with after
Pre-stored acoustic signals are compared in the read only memory ROM of platform, if unanimously, input signal being stored to cloud and is taken
It is engaged on device；If inconsistent, GPS/GPRS integrated chip is communicated with the P3.0 pin of Microcontroller MCS-51, and then noise
Influence to sonic detection sensor reduces, and water pipe water-leakage detecting system is more acurrate to the judging result of water leakage situation.
Microcontroller MCS-51 controls signal to its P3.6 pin and the output of P3.7 pin.
Transistor VT1 is connected in control signal, and transistor VT1 drives relay KT1 movement, and relay KT1, which is powered, to be attracted,
The motor M of motor-driven valve is connected, so that the motor-driven valve of control water pipe water inlet is closed, water pipe can reach reduction by timely cutting water inlet
The purpose of the outer leakage quantity of water resource.
Meanwhile controlling signal makes the PWM mouthfuls of waveforms for exporting the frequency for meeting buzzer H requirement to P3.7 pin, transistor
VT2 conducting, transistor VT2 drive buzzer H movement, and buzzer H issues alarm signal, prompt staff, facilitate work people
Member repairs in time.
The embodiment of present embodiment is the preferred embodiment of the utility model, and not limitation is originally practical new according to this
The protection scope of type, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by practical
Within novel protection scope.
Claims (8)
1. water pipe water-leakage detecting system, the motor-driven valve intake including control water pipe and the sonic detection that water pipe different location is arranged in
Sensor, it is characterized in that: the output end of the sonic detection sensor of receiving end is connected with for amplifying simultaneously input signal
The signal processing unit of output, the output end of the signal processing unit are connected with signal transmission unit, and the signal transmission is single
The output end of member is connected with Cloud Server, and to transmit a signal on Cloud Server, the Cloud Server is connected with backstage, described
Backstage includes storage unit for storing data and the display unit for showing water pipe leaking area, and the signal transmission is single
Member is connected with control unit, and the output end of described control unit is connected with the first switch component for controlling motor-driven valve closing,
The motor-driven valve is connected with power circuit.
2. water pipe water-leakage detecting system according to claim 1, it is characterized in that: the signal processing unit includes that operation is put
One end of big device, resistance R2, resistance R3, resistance R4 and variable potentiometer Rp, the sonic detection sensor connect power supply VCC,
The other end is grounded through resistance R1, and the resistance R2 is connected to the in the same direction defeated of the sonic detection sensor and the operational amplifier
Enter between end, the reverse input end of the operational amplifier is grounded through the resistance R3, and the output end of the operational amplifier connects
Signal transmission unit is connect, is in series with electricity between the output end of the operational amplifier and the noninverting input of the operational amplifier
Hinder R4 and variable potentiometer Rp.
3. water pipe water-leakage detecting system according to claim 1, it is characterized in that: the signal transmission unit is GPS/GPRS
The output end of integrated chip, the GPS/GPRS integrated chip connects the input terminal of the Cloud Server.
4. water pipe water-leakage detecting system according to claim 1, it is characterized in that: described control unit is single-chip microcontroller MCS-
51。
5. water pipe water-leakage detecting system according to claim 1, it is characterized in that: the first switch component includes relay
The delay of KT1 and transistor VT1, the relay KT1 disconnect normally opened contact KT-1 and are connected in power circuit, and the control is single
One output end of member is connected between the resistance R5 and the output end of described control unit through resistance R5 connection power supply VCC
Capacitor C1, the capacitor C1 are connected to the base stage of the transistor VT1, are connected with resistance between the resistance R5 and power supply VCC
R6, the resistance R6 are connected to the base stage of the transistor VT1, and the collector of the transistor VT1 connects through the relay KT1
Meet power supply VCC.
6. water pipe water-leakage detecting system according to claim 5, it is characterized in that: the power circuit includes the electricity of motor-driven valve
The delay of machine M, the relay KT1 disconnect normally opened contact KT1-1 connection power supply VCC and connect with the motor M.
7. water pipe water-leakage detecting system according to claim 1 a, it is characterized in that: output end of described control unit connects
It is connected to buzzer H, the buzzer H is driven by second switch component.
8. water pipe water-leakage detecting system according to claim 7, it is characterized in that: the second switch component includes transistor
VT1, an output end of described control unit connect the base stage of the transistor VT1, the collection of the transistor VT1 through resistance R7
Electrode is through the diode D buzzer H in parallel, the anode connection power supply VCC of the diode D.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920239581.2U CN209604914U (en) | 2019-02-25 | 2019-02-25 | Water pipe water-leakage detecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920239581.2U CN209604914U (en) | 2019-02-25 | 2019-02-25 | Water pipe water-leakage detecting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209604914U true CN209604914U (en) | 2019-11-08 |
Family
ID=68403126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920239581.2U Expired - Fee Related CN209604914U (en) | 2019-02-25 | 2019-02-25 | Water pipe water-leakage detecting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209604914U (en) |
-
2019
- 2019-02-25 CN CN201920239581.2U patent/CN209604914U/en not_active Expired - Fee Related
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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: 20191108 Termination date: 20210225 |