CN206863052U - Urban river water flow rate monitoring system - Google Patents
Urban river water flow rate monitoring system Download PDFInfo
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- CN206863052U CN206863052U CN201720450810.6U CN201720450810U CN206863052U CN 206863052 U CN206863052 U CN 206863052U CN 201720450810 U CN201720450810 U CN 201720450810U CN 206863052 U CN206863052 U CN 206863052U
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Abstract
The utility model discloses a kind of urban river water flow rate monitoring system, solve both current speed difference it is larger when, easily cause sewage and clean water area is entered by dirty net, cause the contaminated phenomenon of water of clean water area, and staff is difficult to the problem of current speed difference of effective discrimination between the two, its drip irrigation device is：Including water flow velocity device for detecting difference, it is preset with benchmark value signal and is coupled to water flow velocity device for detecting difference and current speed difference detection signal and benchmark value signal are compared to the voltage comparator device of simultaneously output voltage comparison signal, voltage comparator device is coupled to receiving voltage comparison signal and the control device of output control signal, control device is coupled to receive control signal and in response to control signal to realize the alarm device of alarm, a kind of urban river water flow rate monitoring system of the present utility model, can realize in time by the current speed difference of clean water area and contraminated zone it is larger when notify staff, avoid the generation of water pollution.
Description
Technical field
It the utility model is related to a kind of urban river water flow rate monitoring system.
Background technology
Often clean water and sewage are made a distinction by dirty net in the method for river course processing sewage, it is possible to draw
It is divided into clean water area and contraminated zone.
Because the water flow velocity of clean water area and the sewage in contraminated zone is different, when both current speed differences are larger, hold
Easily cause sewage and clean water area is entered by dirty net, cause the contaminated phenomenon of water of clean water area, and staff is difficult to effectively
Distinguish current speed difference between the two, also improved space.
Utility model content
The purpose of this utility model is to provide a kind of urban river water flow rate monitoring system, can realize in time by clean water area and
The current speed difference in contraminated zone notifies staff when larger, avoids the generation of water pollution.
Above-mentioned technical purpose of the present utility model technical scheme is that：
A kind of urban river water flow rate monitoring system, including for detecting at contraminated zone and clean water area two water flow velocity situation and by two
Place's water flow velocity situation carries out calculus of differences and exports the water flow velocity device for detecting difference of current speed difference detection signal, is preset with a reference value
Signal and it is coupled to water flow velocity device for detecting difference and current speed difference detection signal and benchmark value signal is compared and export electricity
Press the voltage comparator device of comparison signal, be coupled to voltage comparator device with receiving voltage comparison signal and output control signal
Control device, control device is coupled to receive control signal and in response to control signal to realize the alarm device of alarm；
Also include being used to detect rain event and export the rainwater detection means of rainwater detection signal and be coupled to rainwater
Detection means simultaneously exports the condensate tank of dehumidifier of water level detecting signal, is coupled to condensate tank of dehumidifier to receive water level detecting signal
And the drive device of output drive signal, the alarm device be further coupled to drive device with receive drive signal and in response to drive
Dynamic signal is alerted with realizing.
Using such scheme, the contraminated zone that can be effectively realized by water flow velocity device for detecting difference here and clean water area current
The detection of speed difference, and complete to be compared current speed difference and nominal error value by voltage comparator device, when current speed difference
Alarm device can also be effectively controlled to notify staff in a manner of alerting control device when larger, and this
In rainwater detection means and condensate tank of dehumidifier setting can realize Sometimes When It Rains river water level rising in the state of,
Effective detection is carried out to the water level in river course, avoids the water in river course from spreading to land.
Preferably, the water flow velocity device for detecting difference includes being used to detect contraminated zone water flow velocity situation and exports the first water
First water flow velocity of flow rate detection signal detects circuit, for detecting clean water area water flow velocity situation and exporting the detection of the second water flow velocity
The the second water flow velocity detection circuit and normal phase input end of signal are connected to the first water flow velocity detection circuit and inverting input connects
It is connected to the second water flow velocity detection circuit and the first water flow velocity detection signal and the second water flow velocity detection signal is subjected to Difference Calculation
And export the water flow velocity difference detecting circuit of current speed difference detection signal.
Using such scheme, circuit is detected by the first water flow velocity here, the second water flow velocity detects circuit and can examined respectively
Contraminated zone, the water flow velocity of clean water area are surveyed, the comparison of both signals is then completed by water flow velocity difference detecting circuit.
Preferably, also include being arranged between the first water flow velocity detection circuit and water flow velocity difference detecting circuit with amplification
First amplifying circuit of the first water flow velocity detection signal, it is arranged at the second water flow velocity detection circuit and water flow velocity difference detecting circuit
Between with amplify the second water flow velocity detection signal the second amplifying circuit.
, here can be effective respectively by the setting of the first amplifying circuit and the second amplifying circuit using such scheme
Amplify the first water flow velocity detection signal, the second water flow velocity detection signal, avoid the first water flow velocity detection signal, the inspection of the second water flow velocity
Survey signal causes signal not transmit normally due to the inadequate of its signal intensity.
Preferably, the voltage comparator device includes being used for the reference circuit of output reference value signal and coupled simultaneously
In reference circuit and water flow velocity difference detecting circuit and benchmark value signal and current speed difference detection signal are compared and export electricity
Press the voltage comparator circuit of comparison signal.
Using such scheme, normal water flow velocity can be realized by the setting of reference circuit and voltage comparator circuit here
Whether the indirect comparison of difference and the current speed difference detected now, effectively distinguish the current speed difference detected now in normal range (NR)
It is interior.
Preferably, the control device is sentenced including being coupled to voltage comparator circuit with receiving voltage comparison signal and output
The decision circuitry of break signal and it is coupled to decision circuitry and judges the control circuit of signal and output control signal to receive.
Using such scheme, the inspection to voltage comparison signal low and high level can be realized indirectly by decision circuitry here
Survey, and control circuit can control the work of alarm device accordingly.
Preferably, the alarm device includes being coupled to control circuit to receive control signal and in response to control signal
To realize the light prompt circuit of light prompt and be coupled to control circuit to receive control signal and in response to control signal
To realize the auditory tone cues electric circuit of auditory tone cues.
Using such scheme, the situation that observation is not paid attention in people can be realized by the setting of auditory tone cues electric circuit here
Notified by the form of sounding down, and the setting of light prompt circuit can be realized in a riot of sound environment to staff
Prompted.
Preferably, also include being coupled to control circuit with the delay cutoff circuit of delay cutoff auditory tone cues electric circuit.
Using such scheme, here by delay cutoff circuit set can within the time of setting effective cut-out sound
Sound cue circuit, avoid the long-time of auditory tone cues electric circuit from alarming and staff is impacted.
In summary, the utility model has the advantages that：
1st, here by water flow velocity device for detecting difference, whether voltage comparator device can effectively differentiate current speed difference normal；
2nd, the prompting to staff can not only be realized by the setting of auditory tone cues electric circuit and delay cutoff circuit,
Effectively auditory tone cues electric circuit can also be cut off within the time of setting.
Brief description of the drawings
Fig. 1 is the system block diagram of scheme；
Fig. 2 is water flow velocity device for detecting difference, the first amplifying circuit, the circuit connection diagram of the second amplifying circuit；
Fig. 3 is rainwater detection means, condensate tank of dehumidifier, the circuit connection diagram of drive device；
Fig. 4 is voltage comparator device, control device, alarm device, the circuit connection diagram of delay cutoff circuit.
In figure：1st, water flow velocity device for detecting difference；2nd, voltage comparator device；3rd, control device；4th, alarm device；5th, the first water
Flow rate detection circuit；6th, the second water flow velocity detection circuit；7th, water flow velocity difference detecting circuit；8th, the first amplifying circuit；9th, second put
Big circuit；10th, reference circuit；11st, voltage comparator circuit；12nd, decision circuitry；13rd, control circuit；14th, light prompt circuit；
15th, auditory tone cues electric circuit；16th, delay cutoff circuit；17th, rainwater detection means；18th, condensate tank of dehumidifier；19th, drive device.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing 1-4.
A kind of urban river water flow rate monitoring system disclosed in the present embodiment, including for detecting water at contraminated zone and clean water area two
The flow condition and current speed difference that water flow velocity situation at two is carried out into calculus of differences and exports current speed difference detection signal detects dress
1 is put, is preset with benchmark value signal and is coupled to water flow velocity device for detecting difference 1 and by current speed difference detection signal and benchmark value signal
It is compared and the voltage comparator device of output voltage comparison signal 2, is coupled to voltage comparator device 2 letter is compared with receiving voltage
Number and output control signal control device 3, be coupled to control device 3 to receive control signal and in response to control signal with reality
The alarm device 4 now alerted.
Urban river water flow rate monitoring system also includes being used to detect rain event and exports the rainwater detection of rainwater detection signal
Device 17 and be coupled to rainwater detection means 17 and export the condensate tank of dehumidifier 18 of water level detecting signal, be coupled to water level inspection
Device 18 is surveyed to receive the drive device 19 of water level detecting signal and output drive signal, the alarm device 4 is further coupled to drive
Device 19 is moved to receive drive signal and be alerted in response to drive signal to realize.
Here rainwater detection means 17 is the rain sensor that one end ground connection and the other end are connected to relay KM2, and
Condensate tank of dehumidifier 18 includes level sensor, normal phase input end is connected to level sensor and inverting input is connected to slip
Rheostat RP4 and resistance R10 tie points voltage comparator A5, drive device 19 are connected to voltage comparator A5 including base stage
Output end triode Q2, one end ground connection and the other end be connected to triode Q2 emitter stage relay KM3, here after
Electrical equipment KM2, relay KM3 model are HH52P, and triode Q2 is NPN type and model S9014 here, here voltage ratio
Model LM393 compared with device A5, level sensor here is ultrasonic water level sensor.
Water flow velocity device for detecting difference 1 includes being used to detect contraminated zone water flow velocity situation and exports the first water flow velocity detection signal
The first water flow velocity detection circuit 5, for detect clean water area water flow velocity situation and export the second water flow velocity detection signal second
Water flow velocity detects circuit 6 and normal phase input end is connected to the first water flow velocity detection circuit 5 and inverting input is connected to second
Water flow velocity detects circuit 6 and the first water flow velocity detection signal and the second water flow velocity detection signal is carried out into Difference Calculation and export water
The water flow velocity difference detecting circuit 7 of current difference detection signal.
Here the first water flow velocity detection circuit 5 and second water flow velocity detection circuit 6 is water flow sensing unit, here
Water flow rate sensor is preferably supersonic Doppler current meter, water flow velocity difference detecting circuit 7 here for voltage comparator A3 and
Model LM393.
A kind of urban river water flow rate monitoring system also includes being arranged at the first water flow velocity detection circuit 5 and the detection of current speed difference
Between circuit 7 with amplify the first water flow velocity part signal the first amplifying circuit 8, be arranged at the second water flow velocity detection circuit 6 and
With the second amplifying circuit 9 of the second water flow velocity detection signal of amplification between water flow velocity difference detecting circuit 7.
Here the first amplifying circuit 8 is connected to the resistance R2 of water flow rate sensor, normal phase input end connection including one end
Voltage amplifier A1, control terminal in resistance R2 are connected to the slide rheostat RP1 of voltage amplifier A1 inverting input, one
End is connected to slide rheostat RP1 and the resistance R3, the model AD620 of voltage amplifier A1 here of other end ground connection.
Here the second amplifying circuit 9 is connected to the resistance R1 of water flow rate sensor, normal phase input end connection including one end
Voltage amplifier A2, control terminal in resistance R1 are connected to the slide rheostat RP2 of voltage amplifier A2 inverting input, one
End is connected to slide rheostat RP2 and the resistance R4, the model AD620 of voltage amplifier A2 here of other end ground connection.
Voltage comparator device 2 includes being used for the reference circuit 10 of output reference value signal and is coupled to reference circuit simultaneously
10 and water flow velocity difference detecting circuit 7 and by benchmark value signal and current speed difference detection signal is compared and output voltage compares letter
Number voltage comparator circuit 11.
Here reference circuit 10 includes the resistance R9 of one end ground connection, one end is connected to power supply and the other end is connected to resistance
R9 slide rheostat RP3, voltage comparator circuit 11 here are connected to voltage comparator A3 and anti-phase defeated for normal phase input end
Enter the voltage comparator A4 that end is connected to resistance R9 and slide rheostat RP3 tie points, the model of voltage comparator A4 here
For LM393.
Control device 3 includes being coupled to voltage comparator circuit 11 with receiving voltage comparison signal and exports and judge sentencing for signal
Deenergizing 12 and be coupled to decision circuitry 12 with receive judge signal simultaneously output control signal control circuit 13.
Here decision circuitry 12 is that base stage is connected to voltage comparator A4 output end and colelctor electrode is connected to power supply VCC
Triode Q1, control circuit 13 be one end be connected to triode Q1 emitter stage and the other end ground connection relay KM1, here
Triode Q1 be NPN type and model S9014, the model HH52P of relay KM1 here.
Alarm device 4 includes being coupled to control circuit 13 to receive control signal and in response to control signal to realize light
The light prompt circuit 14 of prompting and control circuit 13 is coupled to receive control signal and in response to control signal to realize
The auditory tone cues electric circuit 15 of auditory tone cues, in addition to it is coupled to delay of the control circuit 13 with delay cutoff auditory tone cues electric circuit 15
Cut off circuit 16.
Here light prompt circuit 14 is the light emitting diode D1 that minus earth and anode are connected to switch KM1-1, this
In auditory tone cues electric circuit 15 for one end be grounded and the other end be connected to switch KT1-1 loudspeaker BL1, delay cutoff here
The one end of circuit 16 is grounded and the other end is connected to the time relay KT1-1 for switching KM1-1, time relay KT1-1 type
Number it is H3Y-2.
The specific course of work is as follows：
The water flow velocity of contraminated zone, clean water area is entered by being arranged on the water flow rate sensor in contraminated zone and clean water area respectively
The water flow velocity detection of row difference.
Then by voltage amplifier A1 and voltage amplification voltage amplifier A2 respectively to the first water flow velocity detection signal,
Second water flow velocity detection signal is amplified, finally by the first water flow velocity detection signal after amplification, the second water flow velocity detection letter
Number it is input to voltage comparator A3 and carries out difference.
The difference result of first water flow velocity detection signal, the second water flow velocity detection signal is sent in voltage comparator A4
The comparison of the first water flow velocity detection signal, the second water flow velocity detection signal is carried out, when current speed difference detection signal is more than a reference value
Turn on can accordingly when signal triode Q1, when and if only if triode Q1 conducting, now relay KM1 will
Conducting.
When relay KM1 is turned on can corresponding trigger switch KM1-1 closure, now light emitting diode D1 it is luminous,
Loudspeaker BL1 alarms, and at the same time, time relay KT1 also can triggering and conducting.
When the time relay KT1 setting time to when can disconnect KT1-1 accordingly, make loudspeaker BL1 stop report
It is alert.
It is similar to above, when rain sensor detects rainwater and liquid level is higher than normal value, can also carry out with
Above-mentioned identical alarm.
This specific embodiment is only that it is not to limitation of the present utility model, ability to explanation of the present utility model
Field technique personnel can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but
As long as all protected in right of the present utility model by Patent Law.
Claims (7)
1. a kind of urban river water flow rate monitoring system, it is characterized in that：Including for detecting water flow velocity feelings at contraminated zone and clean water area two
Condition and by water flow velocity situation at two carry out calculus of differences and export current speed difference detection signal water flow velocity device for detecting difference (1),
It is preset with benchmark value signal and is coupled to water flow velocity device for detecting difference (1) and enters current speed difference detection signal and benchmark value signal
Row relatively and the voltage comparator device (2) of output voltage comparison signal, is coupled to voltage comparator device (2) and compared with receiving voltage
The control device (3) of signal and output control signal, control device (3) is coupled to receive control signal and believe in response to control
Number with realize alarm alarm device (4)；
Also include being used to detect rain event and export the rainwater detection means (17) of rainwater detection signal and be coupled to rainwater
Detection means (17) simultaneously exports the condensate tank of dehumidifier (18) of water level detecting signal, is coupled to condensate tank of dehumidifier (18) to receive
The drive device (19) of water level detecting signal and output drive signal, the alarm device (4) are further coupled to drive device (19)
To receive drive signal and be alerted in response to drive signal with realizing.
2. urban river water flow rate monitoring system according to claim 1, it is characterized in that：The water flow velocity device for detecting difference (1)
Including for detect contraminated zone water flow velocity situation and export the first water flow velocity detection signal the first water flow velocity detection circuit (5),
For detect clean water area water flow velocity situation and export the second water flow velocity detection signal the second water flow velocity detection circuit (6) and
Normal phase input end is connected to the first water flow velocity detection circuit (5) and inverting input is connected to the second water flow velocity detection circuit (6)
And the first water flow velocity detection signal and the second water flow velocity detection signal are subjected to Difference Calculation and export current speed difference detection signal
Water flow velocity difference detecting circuit (7).
3. urban river water flow rate monitoring system according to claim 2, it is characterized in that：Also include being arranged at the inspection of the first water flow velocity
With the first amplifying circuit of the first water flow velocity detection signal of amplification between slowdown monitoring circuit (5) and water flow velocity difference detecting circuit (7)
(8), it is arranged between the second water flow velocity detection circuit (6) and water flow velocity difference detecting circuit (7) to amplify the inspection of the second water flow velocity
Survey the second amplifying circuit (9) of signal.
4. urban river water flow rate monitoring system according to claim 1, it is characterized in that：The voltage comparator device (2) includes
For output reference value signal reference circuit (10) and be coupled to reference circuit (10) and water flow velocity difference detecting circuit simultaneously
(7) and by benchmark value signal and current speed difference detection signal it is compared the voltage comparator circuit of simultaneously output voltage comparison signal
(11)。
5. urban river water flow rate monitoring system according to claim 4, it is characterized in that：The control device (3) includes coupling
With receiving voltage comparison signal and export in voltage comparator circuit (11) and judge the decision circuitry (12) of signal and be coupled to sentence
Deenergizing (12) judges the control circuit (13) of signal and output control signal to receive.
6. urban river water flow rate monitoring system according to claim 5, it is characterized in that：The alarm device (4) includes coupling
In control circuit (13) to receive control signal and in response to control signal to realize the light prompt circuit (14) of light prompt
And control circuit (13) is coupled to receive control signal and in response to control signal to realize the auditory tone cues of auditory tone cues
Circuit (15).
7. urban river water flow rate monitoring system according to claim 6, it is characterized in that：Also include being coupled to control circuit (13)
With the delay cutoff circuit (16) of delay cutoff auditory tone cues electric circuit (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720450810.6U CN206863052U (en) | 2017-04-26 | 2017-04-26 | Urban river water flow rate monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720450810.6U CN206863052U (en) | 2017-04-26 | 2017-04-26 | Urban river water flow rate monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206863052U true CN206863052U (en) | 2018-01-09 |
Family
ID=60822165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720450810.6U Expired - Fee Related CN206863052U (en) | 2017-04-26 | 2017-04-26 | Urban river water flow rate monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206863052U (en) |
-
2017
- 2017-04-26 CN CN201720450810.6U patent/CN206863052U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180109 Termination date: 20200426 |
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| CF01 | Termination of patent right due to non-payment of annual fee |