CN106292447A - A kind of integrated laser Level monitor with signals collecting and transmission - Google Patents
A kind of integrated laser Level monitor with signals collecting and transmission Download PDFInfo
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- CN106292447A CN106292447A CN201610780655.4A CN201610780655A CN106292447A CN 106292447 A CN106292447 A CN 106292447A CN 201610780655 A CN201610780655 A CN 201610780655A CN 106292447 A CN106292447 A CN 106292447A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24215—Scada supervisory control and data acquisition
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- Automation & Control Theory (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
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Abstract
The invention discloses a kind of integrated laser Level monitor with signals collecting and transmission, it is characterized in that: main by single-chip microcomputer, signal processing unit, display and the wireless transmission block being connected with single-chip microcomputer respectively, and the laser water-level gauge composition being connected with signal processing unit.Monitoring result can be sent to monitoring station by wireless network by the present invention, makes monitoring station can be analyzed monitoring result timely, so that hydrological monitoring work can be carried out normally；The present invention uses wireless network to be transmitted water level signal, it is not necessary to track laying, greatly reduces cost.
Description
Technical field
The present invention relates to a kind of monitoring device, specifically refer to a kind of integrated laser water level with signals collecting and transmission
Monitoring device.
Background technology
Hydrological monitoring equipment is equipment indispensable in water conservancy construction, and is monitored being that water conservancy is prevented to the water level in river course
Indispensable part in flood work of combatting a flood.Along with the development of laser technology, laser Level monitor the most occurred, this swashs
Water level is measured by light Level monitor by laser measuring technique, and it is easy to use and certainty of measurement high, by extensively
General use.But the survey crew that current laser water level measuring arrangement only has scene in use just can be in the very first time
Know monitoring result, want monitoring result is analyzed, computer can only be used to be analyzed after resilience monitoring station, use
Monitoring result then cannot be analyzed by this method in the very first time, seriously hampers being normally carried out of hydrological monitoring work.
Therefore it provides a kind of laser Level monitor that monitoring result can be sent to monitoring station in real time is then that current working as is engaged in
Anxious.
Summary of the invention
It is an object of the invention to solve that current laser Level monitor cannot be real-time monitoring result is sent to
The defect of monitoring station, it is provided that a kind of integrated laser Level monitor with signals collecting and transmission.
The purpose of the present invention is by following technical proposals reality: a kind of integrated laser water with signals collecting and transmission
Position monitoring device, mainly by single-chip microcomputer, signal processing unit, display and the wireless transmission block being connected with single-chip microcomputer respectively,
And the laser water-level gauge composition being connected with signal processing unit；Described signal processing unit is mainly by processing chip U, negative pole
With the electric capacity C5 that-IN pin is connected, positive pole is connected with+IN the pin of process chip U processing chip U, forward end and place
The not gate A1 that OUT pin is connected, backward end is connected with the V+ pin processing chip U after resistance R13 of reason chip U, negative
Pole is connected with the V+ pin processing chip U, positive pole connect electric capacity C6, the P pole of power supply be connected with the negative pole of electric capacity C5, N pole and
The diode D5 that the negative pole of electric capacity C6 is connected, positive pole is connected with the P pole of diode D5, negative pole after resistance R11 with electric capacity
Electric capacity C4, the N pole that the negative pole of C5 is connected is connected with the positive pole of electric capacity C5, P pole after resistance R9 with the positive pole phase of electric capacity C4
The diode D3 connected, the signal follow circuit being connected with the P pole of diode D3, one end and the V-pin phase processing chip U
Connect, the other end be connected with signal follow circuit while the resistance R12 of ground connection, and the backward end of NAND gate A1 is connected
Waveform adjusting circuit composition；The input of described signal follow circuit is connected with laser water-level gauge；Described waveform adjusts electricity
The outfan on road is connected with single-chip microcomputer.
Further, described signal follow circuit is by field effect transistor MOS, audion VT1, and audion VT2, N pole is through resistance
The diode that after R7, the colelctor electrode with audion VT1 is connected, P pole is connected with the drain electrode of field effect transistor MOS after resistance R4
D1, negative pole electric capacity that base stage is connected, positive pole is connected with the drain electrode of field effect transistor MOS with audion VT1 after resistance R6
C2, N pole is connected with the V-pin processing chip U after resistance R12, P pole after resistance R10 with the emitter stage of audion VT2
The diode D4 being connected, the electricity that positive pole is connected with the emitter stage of audion VT2, negative pole is connected with the P pole of diode D4
Hold the diode D2 that C3, P pole is connected, N pole base stage with audion VT2 after resistance R8 is connected with the P pole of diode D4,
The resistance R5 being serially connected between the source electrode of field effect transistor MOS and the P pole of diode D4, positive pole after resistance R3 with field effect transistor
The electric capacity C1 that the grid of MOS is connected, negative pole is connected with the P pole of diode D4, and one end is connected with the positive pole of electric capacity C1
Connect, resistance R1 that the other end is connected with the P pole of diode D1 after resistance R2 composition；The P pole of described diode D1 connects power supply；
The base stage of described audion VT2 is connected with the emitter stage of audion VT1, its colelctor electrode is connected with the P pole of diode D3；Institute
The positive pole stating electric capacity C1 is connected with laser water-level gauge.
Described Waveform adjusting circuit is by amplifier P1, amplifier P2, amplifier P3, audion VT3, negative pole and amplifier P1
The electric capacity C7 that positive pole is connected, the backward end of positive pole NAND gate A1 is connected, positive pole is connected with the positive pole of amplifier P1, negative
The electric capacity C8 that pole is connected with the outfan of amplifier P1, resistance R16, the N pole being in parallel with electric capacity C8 is defeated with amplifier P1's
Going out the diode D6 that end is connected, P pole negative pole with amplifier P1 after resistance R15 is connected, negative pole is defeated with amplifier P3's
Go out the output of the electric capacity C10 that end is connected, positive pole is connected after resistance R17, negative pole and amplifier P2 with the N pole of diode D6
The electric capacity C9 that end is connected, positive pole is connected with the positive pole of amplifier P1, and it is serially connected in base stage and the amplifier of audion VT3
Resistance R14 composition between the positive pole of P2；The negative pole of described amplifier P1 is connected with its positive pole, its outfan then with single-chip microcomputer
It is connected；The negative pole of described amplifier P2 is connected with the colelctor electrode of audion VT3, its outfan is the most respectively with diode D6's
N pole is connected with P pole；The backward end of base stage NAND gate A1 of described audion VT3 is connected, its emitter stage then with amplifier P3
Negative pole be connected while ground connection；The positive pole of described amplifier P3 is connected with the outfan of amplifier P2.
Described process chip U is the integrated chip of LM324.
The present invention compared with prior art has the following advantages and beneficial effect:
(1) monitoring result can be sent to monitoring station by wireless network by the present invention, makes the monitoring station can be timely
Monitoring result is analyzed so that hydrological monitoring work can carry out normally；The present invention uses wireless network to water
Position signal is transmitted, it is not necessary to track laying, greatly reduces cost.
(2) water level signal of laser water-level gauge output can be amplified processing by the signal processing unit of the present invention, from
And the loss that water level signal produces during being wirelessly transferred can be made up, the water level signal making monitoring station receive is more clear
Clear；Meanwhile, the waveform of signal can also be adjusted by this signal processing unit, it is to avoid distortion occurs in signal waveform, greatly
Improve the accuracy of the water level signal that monitoring station receives；Such then can enable monitoring station preferably to monitoring knot
Fruit is analyzed.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the present invention.
Fig. 2 is the structure chart of the signal processing unit of the present invention.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited to
This.
Embodiment
As it is shown in figure 1, the present invention is mainly by mainly by single-chip microcomputer, the signal processing unit being connected with single-chip microcomputer respectively,
Display and wireless transmission block, and the laser water-level gauge composition being connected with signal processing unit.Whole Level monitor
Being arranged on bank, this laser water-level gauge is then by vertical being arranged on the water surface of fixing bar, because laser can be directed through
The bottom, so needing to arrange reflecting plate on the water surface immediately below laser water-level gauge, this reflecting plate need to be fixed up；Laser water level
The set-up mode of meter and reflecting plate has been current mature technology, does not the most do too much repeating.
This laser water-level gauge uses JH2004 laser water-level gauge, and operationally, laser water-level gauge launches beam of laser, laser
Being reflected plate and reflect back in laser water-level gauge, laser water-level gauge exports corresponding digital signal according to the phase contrast of two bundle laser
To signal processing unit.Digital signal is processed and exports to single-chip microcomputer by this signal processing unit.This single-chip microcomputer is this
Bright processing center, it preferentially uses AT89S51 single-chip microcomputer to realize, the P1.0 signal input tube foot of this AT89S51 single-chip microcomputer
Being connected with the outfan of signal processing unit, its P2.0 pin is connected with display, P2.2 pin then be wirelessly transferred mould
Block is connected.This single-chip microcomputer is sent to display after processing signal and demonstrates water level value, the most also sends a signal to
Wireless transport module, wireless transport module passes through wireless network transmissions to monitoring station.This wireless transport module uses ZIGBEE
Wireless transport module realizes, and its signal input interface is connected with single-chip microcomputer；Corresponding monitoring station is also required to be provided with phase
The wireless transport module answered can receive signal.
In order to preferably implement the present invention, as in figure 2 it is shown, this signal processing unit is mainly by processing chip U, negative pole and place
The electric capacity C5 that-IN pin is connected, positive pole is connected with+IN the pin of process chip U of reason chip U, forward end and process core
The OUT pin of sheet U is connected, backward end after resistance R13 with the not gate A1 that is connected of V+ pin processing chip U, negative pole with
The V+ pin processing chip U is connected, positive pole connect electric capacity C6, the P pole of power supply be connected with the negative pole of electric capacity C5, N pole and electric capacity
The diode D5 that the negative pole of C6 is connected, positive pole is connected with the P pole of diode D5, negative pole after resistance R11 with electric capacity C5's
Electric capacity C4, the N pole that negative pole is connected is connected with the positive pole of electric capacity C5, P pole positive pole with electric capacity C4 after resistance R9 is connected
Diode D3, the signal follow circuit being connected with the P pole of diode D3, one end with process chip U V-pin be connected,
The other end be connected with signal follow circuit while the resistance R12 of ground connection, and the ripple that the backward end of NAND gate A1 is connected
Shape adjusts circuit composition.The input of described signal follow circuit is connected with laser water-level gauge；Described Waveform adjusting circuit
Outfan is connected with single-chip microcomputer
This process chip U, electric capacity C4, resistance R11, electric capacity C5 and diode D3 form an amplifying circuit, this amplification
Water level signal can be amplified by circuit with distortionless, thus makes up the weakening that water level signal produces because being wirelessly transferred.For
The more preferable enforcement present invention, described process chip U preferentially uses the integrated chip of LM324 to realize.
Wherein, this signal follow circuit is by field effect transistor MOS, audion VT1, audion VT2, resistance R1, resistance R2, electricity
Resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, resistance R8, resistance R10, electric capacity C1, electric capacity C2, electric capacity C3, diode
D1, diode D2 and diode D4 form.
During connection, the N pole of diode D1 colelctor electrode with audion VT1 after resistance R7 is connected, and P pole is after resistance R4
It is connected with the drain electrode of field effect transistor MOS.The negative pole of electric capacity C2 base stage with audion VT1 after resistance R6 is connected, positive pole
It is connected with the drain electrode of field effect transistor MOS.The N pole of diode D4 is connected with the V-pin processing chip U after resistance R12, P
Pole emitter stage with audion VT2 after resistance R10 is connected.The positive pole of electric capacity C3 is connected with the emitter stage of audion VT2,
Negative pole is connected with the P pole of diode D4.The P pole of diode D2 is connected with the P pole of diode D4, N pole after resistance R8 with
The base stage of audion VT2 is connected.Resistance R5 is serially connected between the source electrode of field effect transistor MOS and the P pole of diode D4.Electric capacity C1
Positive pole grid with field effect transistor MOS after resistance R3 be connected, negative pole is connected with the P pole of diode D4.Resistance R1's
One end is connected with the positive pole of electric capacity C1, and other end P pole with diode D1 after resistance R2 is connected.Described diode D1's
P pole connects power supply.The base stage of described audion VT2 is connected with the emitter stage of audion VT1, its colelctor electrode and the P of diode D3
Pole is connected.The positive pole of described electric capacity C1 is connected with laser water-level gauge.This signal follow circuit may insure that the water level of input
The stability of signal.
This Waveform adjusting circuit by amplifier P1, amplifier P2, amplifier P3, audion VT3, resistance R14, resistance R15,
Resistance R16, resistance R17, electric capacity C7, electric capacity C8, electric capacity C9, electric capacity C10 and diode D6 form.
Wherein, the negative pole of electric capacity C7 is connected with the positive pole of amplifier P1, and the backward end of positive pole NAND gate A1 is connected.Electricity
The positive pole holding C8 is connected with the positive pole of amplifier P1, and negative pole is connected with the outfan of amplifier P1.Resistance R16 and electric capacity C8
It is in parallel.The N pole of diode D6 is connected with the outfan of amplifier P1, P pole after resistance R15 with the negative pole phase of amplifier P1
Connect.The negative pole of electric capacity C10 is connected with the outfan of amplifier P3, and positive pole N with diode D6 after resistance R17 is extremely connected
Connect.The negative pole of electric capacity C9 is connected with the outfan of amplifier P2, and positive pole is connected with the positive pole of amplifier P1.Resistance R14 goes here and there
It is connected between the base stage of audion VT3 and the positive pole of amplifier P2.
The negative pole of described amplifier P1 is connected with its positive pole, and its outfan is then connected with single-chip microcomputer.Described amplifier
The negative pole of P2 is connected with the colelctor electrode of audion VT3, and its outfan is connected with N pole and the P pole of diode D6 the most respectively.Institute
The backward end of base stage NAND gate A1 stating audion VT3 is connected, and its emitter stage is then same with what the negative pole of amplifier P3 was connected
Time ground connection.The positive pole of described amplifier P3 is connected with the outfan of amplifier P2.
The waveform of water level signal can be processed by this Waveform adjusting circuit, improves the stability of water level signal, this ripple
Shape adjusts circuit can make the waveform distortion of water level signal less than 0.2%.This electric capacity C8 and resistance R16 forms a low pass filtered
Ripple device, High-frequency Interference can be filtered by this low pass filter, further improves the stability of water level signal, beneficially water level
Signal long-distance transmissions.
The water level signal that laser water-level gauge exports is amplified processing by the present invention by signal processing unit, such that it is able to
Making up the loss that water level signal produces during being wirelessly transferred, the water level signal making monitoring station receive becomes apparent from.With
Time, the waveform of signal is also adjusted by this signal processing unit, it is to avoid distortion occurs in signal waveform, greatly improves monitoring
The accuracy of the water level signal that website receives.Such then monitoring station can be enable preferably monitoring result to be carried out point
Analysis.
As it has been described above, just can well realize the present invention.
Claims (4)
1. an integrated laser Level monitor with signals collecting and transmission, it is characterised in that: main by single-chip microcomputer,
Signal processing unit, display and the wireless transmission block being connected with single-chip microcomputer respectively, and be connected with signal processing unit
Laser water-level gauge composition；Described signal processing unit is mainly by processing chip U, and negative pole is connected with-IN the pin processing chip U
Connect, electric capacity C5 that positive pole is connected with+IN the pin of process chip U, forward end is connected, instead with the OUT pin processing chip U
The not gate A1 being connected with the V+ pin processing chip U after resistance R13 to end, negative pole is connected with the V+ pin processing chip U
Connect, positive pole connects the diode that electric capacity C6, P pole is connected, N pole is connected with the negative pole of electric capacity C6 of power supply with the negative pole of electric capacity C5
D5, electric capacity C4, the N pole that positive pole is connected with the P pole of diode D5, negative pole negative pole with electric capacity C5 after resistance R11 is connected
Be connected with the positive pole of electric capacity C5, diode D3 that P pole positive pole with electric capacity C4 after resistance R9 is connected, with diode D3's
The signal follow circuit that P pole is connected, one end is connected with the V-pin processing chip U, the other end and signal follow circuit phase
The resistance R12 of ground connection while connection, and the Waveform adjusting circuit composition that the backward end of NAND gate A1 is connected；Described signal
The input of follow circuit is connected with laser water-level gauge；The outfan of described Waveform adjusting circuit is connected with single-chip microcomputer.
A kind of integrated laser Level monitor with signals collecting and transmission the most according to claim 1, it is special
Levy and be: described signal follow circuit by field effect transistor MOS, audion VT1, audion VT2, N pole after resistance R7 with three poles
The diode D1 that the colelctor electrode of pipe VT1 is connected, P pole is connected with the drain electrode of field effect transistor MOS after resistance R4, negative pole is through electricity
Be connected with the base stage of audion VT1 after resistance R6, electric capacity C2, N pole that positive pole is connected with the drain electrode of field effect transistor MOS is through resistance
Be connected with the V-pin processing chip U after R12, two poles that P pole emitter stage with audion VT2 after resistance R10 is connected
Pipe D4, electric capacity C3, the P pole and two that positive pole is connected with the emitter stage of audion VT2, negative pole is connected with the P pole of diode D4
The diode D2 that the P pole of pole pipe D4 is connected, N pole base stage with audion VT2 after resistance R8 is connected, is serially connected in field effect
Resistance R5 between source electrode and the P pole of diode D4 of pipe MOS, positive pole grid with field effect transistor MOS after resistance R3 is connected
Connect, electric capacity C1 that negative pole is connected with the P pole of diode D4, and one end is connected with the positive pole of electric capacity C1, the other end is through electricity
The resistance R1 composition being connected with the P pole of diode D1 after resistance R2；The P pole of described diode D1 connects power supply；Described audion VT2
Base stage be connected with the emitter stage of audion VT1, its colelctor electrode is connected with the P pole of diode D3；Described electric capacity C1 is just
Pole is connected with laser water-level gauge.
A kind of integrated laser Level monitor with signals collecting and transmission the most according to claim 2, it is special
Levy and be: described Waveform adjusting circuit is by amplifier P1, amplifier P2, amplifier P3, audion VT3, negative pole and amplifier P1
The electric capacity C7 that positive pole is connected, the backward end of positive pole NAND gate A1 is connected, positive pole is connected with the positive pole of amplifier P1, negative
The electric capacity C8 that pole is connected with the outfan of amplifier P1, resistance R16, the N pole being in parallel with electric capacity C8 is defeated with amplifier P1's
Going out the diode D6 that end is connected, P pole negative pole with amplifier P1 after resistance R15 is connected, negative pole is defeated with amplifier P3's
Go out the output of the electric capacity C10 that end is connected, positive pole is connected after resistance R17, negative pole and amplifier P2 with the N pole of diode D6
The electric capacity C9 that end is connected, positive pole is connected with the positive pole of amplifier P1, and it is serially connected in base stage and the amplifier of audion VT3
Resistance R14 composition between the positive pole of P2；The negative pole of described amplifier P1 is connected with its positive pole, its outfan then with single-chip microcomputer
It is connected；The negative pole of described amplifier P2 is connected with the colelctor electrode of audion VT3, its outfan is the most respectively with diode D6's
N pole is connected with P pole；The backward end of base stage NAND gate A1 of described audion VT3 is connected, its emitter stage then with amplifier P3
Negative pole be connected while ground connection；The positive pole of described amplifier P3 is connected with the outfan of amplifier P2.
A kind of integrated laser Level monitor with signals collecting and transmission the most according to claim 3, it is special
Levy and be: described process chip U is the integrated chip of LM324.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610780655.4A CN106292447B (en) | 2016-08-30 | 2016-08-30 | A kind of integrated laser Level monitor with signal acquisition and transmission |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610780655.4A CN106292447B (en) | 2016-08-30 | 2016-08-30 | A kind of integrated laser Level monitor with signal acquisition and transmission |
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| CN106292447B CN106292447B (en) | 2018-11-09 |
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| DE102006027733A1 (en) * | 2006-06-16 | 2007-12-20 | Daimlerchrysler Ag | Electrical sensor e.g. water level sensor, for use in e.g. lorry, has interface unit outputting maintenance or operating condition information, where sensor-integrated display unit displays maintenance or operating condition information |
| JP2009271056A (en) * | 2008-04-09 | 2009-11-19 | Toshiba Corp | Device for measuring water level of nuclear reactor and method for measuring water level of nuclear reactor |
| CN203396447U (en) * | 2013-08-05 | 2014-01-15 | 河海大学常州校区 | Wireless water gauge type water level detection device |
| CN105043494A (en) * | 2015-07-13 | 2015-11-11 | 华北水利水电大学 | Real-time underground water level monitoring device |
| CN205475115U (en) * | 2016-04-06 | 2016-08-17 | 褚双银 | Automatic change water sluicegate |
-
2016
- 2016-08-30 CN CN201610780655.4A patent/CN106292447B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006027733A1 (en) * | 2006-06-16 | 2007-12-20 | Daimlerchrysler Ag | Electrical sensor e.g. water level sensor, for use in e.g. lorry, has interface unit outputting maintenance or operating condition information, where sensor-integrated display unit displays maintenance or operating condition information |
| JP2009271056A (en) * | 2008-04-09 | 2009-11-19 | Toshiba Corp | Device for measuring water level of nuclear reactor and method for measuring water level of nuclear reactor |
| CN203396447U (en) * | 2013-08-05 | 2014-01-15 | 河海大学常州校区 | Wireless water gauge type water level detection device |
| CN105043494A (en) * | 2015-07-13 | 2015-11-11 | 华北水利水电大学 | Real-time underground water level monitoring device |
| CN205475115U (en) * | 2016-04-06 | 2016-08-17 | 褚双银 | Automatic change water sluicegate |
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| CN106292447B (en) | 2018-11-09 |
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