CN207421491U - A kind of feedback device for being used to irrigate valve state detection - Google Patents
A kind of feedback device for being used to irrigate valve state detection Download PDFInfo
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- CN207421491U CN207421491U CN201721482829.5U CN201721482829U CN207421491U CN 207421491 U CN207421491 U CN 207421491U CN 201721482829 U CN201721482829 U CN 201721482829U CN 207421491 U CN207421491 U CN 207421491U
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- signal
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- audio
- feedback device
- state detection
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Abstract
The utility model provides a kind of feedback device for being used to irrigate valve state detection,Valve Seepage can reliably be detected using the feedback device,Audio is equipped in the device and picks up circuit,Signal amplification circuit,Signal adjustment circuit and signal output apparatus,The audio is picked up in circuit and picks up sensor MK1 comprising audio,NPN type triode Q1 is included in the signal amplification circuit,LM358 chips U1 and pressure regulator W1 is included in the signal adjustment circuit,The signal output part that the audio picks up sensor MK1 is coupled by resistance C1 with the base stage of the NPN type triode Q1,The collector of the NPN type triode Q1 is coupled with an input pin of the LM358 chips U1,The output pin of the LM358 chips U1 is coupled with the input pin of the pressure regulator W1,The output pin of the pressure regulator W1 is coupled with the signal output apparatus.
Description
Technical field
The utility model more particularly to a kind of feedback device for being used to irrigate valve state detection.
Background technology
Largely using valve in water-saving irrigation, in order to know the on off state of valve in time, it is necessary to utilize state
Feedback device etc. is monitored and feeds back to the on off state of each valve；At present, in the feedback device for detecting valve switch state
Generally use pressure sensor, capacitance sensor, ultrasonic sensor, waterpower turnover panel sensor, hydraulic impeller sensor or red
Outer sensor etc. is used as signal gathering unit, these sensors can detect the opening and closing state of valve, but right
The phenomenon that fitting badly valve due to sundries etc. in some, generating leak, but can not reliably be detected, and therefore, be asked based on this
Topic, this application provides a kind of for irrigating the feedback device of valve state detection.
The content of the invention
The utility model provide it is a kind of for irrigating the feedback device of valve state detection, can be with using the feedback device
Valve Seepage is reliably detected, valve leakage is avoided the problem that and causes water resource waste and there are security risks.
To solve the above-mentioned problems, it is equipped with this application provides a kind of for irrigating the feedback device of valve state detection
Audio picks up circuit, signal amplification circuit, signal adjustment circuit and signal output apparatus, and the audio, which is picked up, includes sound in circuit
Frequency picks up sensor MK1, and NPN type triode Q1 is included in the signal amplification circuit, is included in the signal adjustment circuit
LM358 chips U1 and pressure regulator W1, the signal output part that the audio picks up sensor MK1 pass through resistance C1 and the NPN type
The base stage coupling of triode Q1, an input pin coupling of the collector of the NPN type triode Q1 and the LM358 chips U1
It closes, the output pin of the LM358 chips U1 is coupled with the input pin of the pressure regulator W1, the efferent duct of the pressure regulator W1
Foot is coupled with the signal output apparatus namely audio is picked up the signal that circuit collects and adjusted through signal amplification circuit and signal
It is exported after processing of circuit by signal output apparatus.
As the preferred embodiment of the application, A/D converter is equipped in the signal output apparatus, passes through the A/D converter
By the signal after pressure regulator W1 shapings into line level processing, and be converted to on-off model output.
As the preferred embodiment of the application, Zigbee wireless signal transceiver modules are equipped in the signal output apparatus, are led to
The wireless transmission of signal can be realized by crossing the Zigbee wireless signals transceiver module.
As the preferred embodiment of the application, comprising GPS positioning module, the GPS positioning module and the signal output apparatus
Coupling.
Compared with prior art, it is contactless that audio pickup sensor MK1 is employed in the feedback device in the application
Real-time monitoring valve switch and leakage states, and the voice signal picked up is passed through into output circuit after amplification and adjustment
Monitoring client is transmitted to, staff can judge whether Seepage according to the voice signal, and progress of adopting an effective measure
Processing, therefore, the feedback device in the application can not only be monitored the on off state of valve, can also be to the leakage of valve
Show and reliably monitored, avoid the problem that valve leakage and cause water resource waste and there are security risks.
Description of the drawings
Fig. 1 is the control principle drawing for the feedback device that the utility model embodiment provides；
Fig. 2 is the electric operation control circuit figure for the feedback device that the utility model embodiment provides.
Reference numeral
MK1 picks up sensor for audio, and R1-R5 is resistance, and C1-C3 is capacitance, and Q1 is NPN type triode, and W1 is pressure regulation
Device, U1 are LM358 chips.
Specific embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, below in conjunction with attached drawing to this
The embodiment of utility model is described in detail.
Present embodiments provide it is a kind of for irrigate valve state detection feedback device, the device using when be installed on valve
Body outdoors, underwater sound during by monitoring valve working are made an uproar, and carry out processing feedback.
The device is internally provided with audio and picks up circuit, signal amplification circuit, signal adjustment circuit and signal output apparatus, ginseng
See Fig. 1-2, the audio is picked up in circuit and picks up sensor MK1 comprising audio, and NPN type three is included in the signal amplification circuit
Pole pipe Q1 picks up the letter of sensor MK1 in the signal adjustment circuit comprising LM358 chips U1 and pressure regulator W1, the audio
Number output terminal is coupled by resistance C1 with the base stage of the NPN type triode Q1, the collector of the NPN type triode Q1 and institute
State the 3rd input pin coupling of LM358 chips U1, the of the 2nd output pin of the LM358 chips U1 and the pressure regulator W1
2 input pins couple, and the 1st output pin of the pressure regulator W1 is coupled with the signal output apparatus namely signal is through signal
It is exported after amplifying circuit and signal adjustment circuit processing by signal output apparatus.
Further, in the present embodiment, the signal output apparatus output can be analog signal, or number
Signal, it is preferable that observed in order to facilitate monitoring client, A/D converter is equipped in the signal output apparatus, is converted by the A/D
Device handles the signal after pressure regulator W1 shapings into line level, and is converted to on-off model output, i.e., believes signal with number
Number form output.
Further, in the present embodiment, the signal output apparatus carries out signal transmission by the way of wired or wireless,
In order to facilitate remote monitoring, Zigbee wireless signal transceiver modules are equipped in the preferably described signal output apparatus of the present embodiment, are led to
The wireless transmission of signal can be realized by crossing the Zigbee wireless signals transceiver module.
The present embodiment when in use, make an uproar, which includes valve by the underwater sound that audio pickup sensor MK1 monitors valve in real time
Fluid generates in valve cavity room when door opens the current noise that fluid is generated by valve chamber when working normally, valve leakage
Current noise and valve close the indoor minimum underwater sound of late gate chamber and make an uproar, audio is picked up sensor MK1 and is monitored and will simultaneously monitor
To water noise first pass through NPN type triode Q1 and be amplified, then again by LM358 chips U1 and pressure regulator W1 at
Reason, finally by this, treated that water noise is exported by output circuit to remote monitoring end, it is preferable that is directed in remote monitoring end
Three kinds of states of valve are equipped with different threshold values, can be sentenced by threshold value staff according to the underwater sound noise cancellation signal received
Whether disconnected valve currently works normally, closes or occurs leakage problems.
Further, in the present embodiment, the valve of failure is quickly positioned in order to facilitate staff, preferably this is anti-
It presents also comprising GPS positioning module in device, which couples with the signal output apparatus, by the way that the GPS is set to determine
Position module so that monitoring side can receive the location information of valve and the status information of valve simultaneously, be leaked in a certain valve
During failure, staff can quickly determine the position of current failure valve according to the location information that this is received, to locate in time
Reason.
The above content is combine specific embodiment further detailed description of the utility model, it is impossible to assert
The specific implementation of the utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field
For, without departing from the concept of the premise utility, several simple deduction or replace can also be made, should all be considered as category
In the scope of protection of the utility model.
Claims (5)
1. a kind of feedback device for being used to irrigate valve state detection, which is characterized in that pick up circuit, signal amplification equipped with audio
Circuit, signal adjustment circuit and signal output apparatus, the audio is picked up comprising audio pickup sensor MK1 in circuit, described
NPN type triode Q1 is included in signal amplification circuit, LM358 chips U1 and pressure regulator W1 is included in the signal adjustment circuit,
The signal output part that the audio picks up sensor MK1 is coupled by resistance C1 with the base stage of the NPN type triode Q1, described
The collector of NPN type triode Q1 is coupled with an input pin of the LM358 chips U1, and the LM358 chips U1's is defeated
The input pin for going out pin with the pressure regulator W1 couples, the output pin of the pressure regulator W1 and the signal output apparatus coupling
It closes namely audio picks up the signal that circuit collects and passes through signal output after signal amplification circuit and signal adjustment circuit processing
Circuit output.
2. the feedback device as described in claim 1 for being used to irrigate valve state detection, which is characterized in that the signal output
A/D converter is equipped in circuit, by the A/D converter by the signal after pressure regulator W1 shapings into line level processing, and is converted
It is exported for on-off model.
3. the feedback device as claimed in claim 1 or 2 for being used to irrigate valve state detection, which is characterized in that the signal
Zigbee wireless signal transceiver modules are equipped in output circuit, signal can be realized by the Zigbee wireless signals transceiver module
Wireless transmission.
4. the feedback device as claimed in claim 1 or 2 for being used to irrigate valve state detection, which is characterized in that determine comprising GPS
Position module, the GPS positioning module are coupled with the signal output apparatus.
5. the feedback device as claimed in claim 3 for being used to irrigate valve state detection, which is characterized in that include GPS positioning
Module, the GPS positioning module are coupled with the signal output apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721482829.5U CN207421491U (en) | 2017-11-08 | 2017-11-08 | A kind of feedback device for being used to irrigate valve state detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721482829.5U CN207421491U (en) | 2017-11-08 | 2017-11-08 | A kind of feedback device for being used to irrigate valve state detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207421491U true CN207421491U (en) | 2018-05-29 |
Family
ID=62308222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721482829.5U Active CN207421491U (en) | 2017-11-08 | 2017-11-08 | A kind of feedback device for being used to irrigate valve state detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207421491U (en) |
-
2017
- 2017-11-08 CN CN201721482829.5U patent/CN207421491U/en active Active
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