CN109655633A - River flow velocity contains husky measuring device - Google Patents
River flow velocity contains husky measuring device Download PDFInfo
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- CN109655633A CN109655633A CN201811462617.XA CN201811462617A CN109655633A CN 109655633 A CN109655633 A CN 109655633A CN 201811462617 A CN201811462617 A CN 201811462617A CN 109655633 A CN109655633 A CN 109655633A
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- photoelectric conversion
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
- G01P5/26—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting optical wave
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Abstract
The present invention discloses a kind of river flow velocity measuring device containing sand, module (1) occurs including light, it tests bar part (2), photoelectric conversion module (3), signal amplification module (4), signal filter module (5), microprocessor module (6), data memory module (7), wireless transport module (8), power module (9) and power conversion module (10), module (1) occurs for the light, it tests bar part (2), photoelectric conversion module (3), signal amplification module (4), signal filter module (5), microprocessor module (6), data memory module (7) and wireless transport module (8) are sequentially connected in series, the input terminal of the power conversion module (10) is connected with the output end of power module (9), its output end respectively with whole modules in device in addition to reference test bar Power end is connected.Measuring device of the present invention, precision is high, facilitates line.
Description
Technical field
The invention belongs to fluid measuring apparatus technical field, especially a kind of precision is high, facilitates the river water stream of line
Speed and sediment concentration measuring device.
Background technique
Occurrence frequency of the flood damage in China is very high, damaging range is also very wide, and being can shadow to national economy and economization
Ring far-reaching natural calamity.Big flood can make the water flow velocity of rivers and lakes and reservoir and silt content soar, and dykes and dams overflow or burst, and be
The generation for preventing disaster, develops that one safe and reliable, timely water flow velocity and sediment concentration measuring system are most important.Only
The situation of change for wanting to obtain water flow velocity and silt content in time, can make counter-measure in time, protect the people life and
Property safety simultaneously reduces loss.
China is vast in territory, and the complicated multiplicity of natural conditions, social economy's regional development is uneven, water resource hydrlolgic work point
More, wire length, wide, site is remote, in addition insufficient investment, causes current China part website long neglected and in disrepair, ineffective, this is straight
The collection, processing and timeliness for affecting hydrographic information are connect, the demand observed with current and future China water conservancy is inadaptable.Mesh
Although it is preceding in the market there are many water flow velocity and sediment concentration measuring device, the device having is inconvenient to carry, is not easy to remote
Carry out experiment measurement work in area.The device of the invention low-profile and precision is higher, data transmission is very fast and convenient for saving,
It is particularly suited for the remote districts work in field.
In short, problem of the existing technology is: river flow velocity and sediment concentration measuring device precision are low, and being not easy to outfield makes
With.
Summary of the invention
The purpose of the present invention is to provide a kind of river flow velocities to contain husky measuring device, and precision is high, facilitates line.
The technical solution for realizing the aim of the invention is as follows:
A kind of river flow velocity measuring device containing sand, comprising:
Module 1 occurs for light, for generating corresponding optical signal；
Reference test bar 2 is used for transmission light and visible light, generation reflected impulse light and reflected impulse light biography that module 1 generates occurs
It is defeated；
Photoelectric conversion module 3, for collected optical signal to be converted to electric signal；
Signal amplification module 4, for amplifying the electric signal after photoelectric conversion；
Signal filter module 5, for amplified signal to be filtered；
Microprocessor module 6, for carrying out calculation process to filtered signal；
Data memory module 7, for storing data information；
Wireless transport module 8, for sending upper computer end for the data handled well；
Power module 9, for this each functional module power supply；
Power conversion module 10, for the voltage of power module 9 to be converted to voltage required for each functional module；
Module 1, reference test bar 2, photoelectric conversion module 3, signal amplification module 4, signal filter module 5, micro- occurs for the light
Processor module 6, data memory module 7 and wireless transport module 8 are sequentially connected in series, photoelectric conversion module 3 and 2 phase of reference test bar
Even, wireless transport module 8 is connected with host computer data, the output of the input terminal and power module 9 of the power conversion module 10
End is connected, and output end is connected with the power end of each module in device in addition to reference test bar 2 respectively.
Compared with prior art, the present invention its remarkable advantage are as follows:
1, precision is high: small optical signal can be converted to electric signal by photoelectric conversion module of the invention, after transformation
After minor alteration occurs for electric signal, signal amplification circuit can amplify its change.Single-chip microcontroller used in the present invention has 10,8 tunnel
Analog electrical signal accurately can be converted to data by ADC.
2, facilitate line: compared with original test device external form volume, volume is reduced external form volume of the invention
Very much, easy to carry and installation is to extraneous environmental requirement less.
The present invention is described in further detail with reference to the accompanying drawings and detailed description.
Detailed description of the invention
Fig. 1 is structural block diagram of the river flow velocity of the present invention containing husky measuring device.
Fig. 2 is course of work flow chart of the river flow velocity of the present invention containing husky measuring device.
In figure, module 1 occurs for light, tests bar part 2, photoelectric conversion module 3, signal amplification module 4, signal filter module
5, microprocessor module 6, data memory module 7, wireless transport module 8, power module 9 and power conversion module 10.
Specific embodiment
As shown in Figure 1, river flow velocity of the present invention contains husky measuring device, comprising:
Module 1 occurs for light, for generating corresponding optical signal；
Common linear laser generator can be used and generate visible light.
Reference test bar 2 is used for transmission light and visible light, generation reflected impulse light and reflected impulse light biography that module 1 generates occurs
It is defeated；
Reference test bar 2 uses two optical fiber and rotor.
Reference test bar is divided to two optical fiber and rotor two parts.A light transmission fiber in reference test bar occurs module and generates
Visible light to rotor, after rotor reflected impulse light, another optical fiber will reflected impulse optical transport to test in
The photoelectric conversion module in portion.
Photoelectric conversion module 3, for collected optical signal to be converted to electric signal；
The photoelectric conversion module 3 is phototriode.
Electric signal is converted optical signals to using highly sensitive phototriode.Phototriode is that one kind is equivalent to
The triode of a photodiode is accessed between the base stage and collector of triode, the electric current of photodiode is equivalent to two poles
The base current of pipe.Because having Current amplifier effect, phototriode is much sensitiveer than photodiode, collector can be with
Export very big photoelectric current.
Signal amplification module 4, for amplifying the electric signal after photoelectric conversion；
4 core chips of signal amplification module uses LM358 chip
Differential amplifier circuit is anti-phase input and the amplifying circuit that homophase input combines.According in differential amplifier circuit
The ratio of resistance sizes, calculates voltage gain, and amplified voltage is exported from LM358 pin.
Signal amplification module uses LM358 chip for core differential amplifier circuit.LM358 is the frequency compensation fortune of high-gain
Amplifier is calculated, it is single supply power supply, and voltage range is wider, is 3V-30V.LM358, which can be applied, amplifies electricity in sensor
In road, DC amplification circuit and all conventional operation amplifying circuits, suitable for circuit of the present invention.
Signal filter module 5, for amplified signal to be filtered；
The purpose of signal filter module 5 is that amplified signal is reduced noise jamming, convenient for the processing of subsequent single-chip microcontroller.
Signal filter circuit is made of capacitor, resistance and inductance, is constituted two-stage filter, is filtered to signal noise.
Microprocessor module 6, for carrying out calculation process to filtered signal；
The microprocessor module 6 uses ATmega48 type single-chip microcontroller
ATmega48 has following some features: having the In-System Programmable Flash of 4K byte, and may be used also in programming process
To read；There are the EEPROM of 256 bytes, the SRAM of 512 bytes, 23 general input/output port lines, 32 general operations deposits
Device, 3 timer/counters with comparison pattern, 1 10,8 tunnel ADC, 1 SPI serial port；Two lines of byte-oriented
Serial line interface and programmable watchdog timer with piece internal oscillator；Five kinds of power saving moulds that can be selected by software programming
Formula is idle mode, power-down mode, ADC noise suppressed mode, battery saving mode and Standby mode respectively.
Data memory module 7, for storing data information；
The data memory module 7 uses SD storage card.
SD storage card is a kind of memory device of new generation based on semiconductor fast-flash memory device, and there are small in size, data to pass
Defeated speed is fast, the excellent characteristic such as hot-swappable, can be convenient safe storage and transmission information.
Wireless transport module 8, for sending upper computer end for the data handled well；
The wireless transport module 8 uses CC1101 chip.
The purpose of wireless transport module is that the data that will be handled well are sent to upper computer end, to facilitate host computer to handle.Wirelessly
Transmission module use CC1101 chip, it be low cost, the wireless transceiver of low-power consumption, its transmission frequency in 1GHz hereinafter,
It is a high-performance radio-frequency transceiver, is mainly used in the RF design of extremely low power dissipation.
Power module 9, for this each functional module power supply；
The power module 9 is 3500 milliamperes of lithium batteries of capacity.
Power conversion module 10, for the voltage of power module 9 to be converted to voltage required for each functional module；
The power conversion module 10 uses REG113N for voltage regulator chip.
Voltage regulator chip used in power conversion module is REG113N, it is a low noise, low voltage difference, and ground terminal is low
The linear voltage regulator of electric current, has used new DMOS topological structure, and REG113N is functionally significantly improved.The module can give
Whole system provides 3-6V voltage.
Module 1, reference test bar 2, photoelectric conversion module 3, signal amplification module 4, signal filter module 5, micro- occurs for the light
Processor module 6, data memory module 7 and wireless transport module 8 are sequentially connected in series, photoelectric conversion module 3 and 2 phase of reference test bar
Even, wireless transport module 8 is connected with host computer data, the output of the input terminal and power module 9 of the power conversion module 10
End is connected, and output end is connected with the power end of each module in device in addition to reference test bar 2 respectively.
As shown in Fig. 2, the course of work of the invention is as follows:
It after the booting of measuring instrument device, is initialized, host computer transmission is determined by fate to arrive measuring instrument, and measuring instrument takes orders, so
Signal acquisition and processing are carried out afterwards, then carries out data processing, after waiting data processing, are sent the data handled well to
Host computer is handled and is shown again by host computer.
The light of tester occurs module and generates visible light.Visible light is passed to rotation paddle rotor by the transmission fiber of measuring rod,
Rotation paddle rotor can generate reflected impulse light, and reflected impulse light is transmitted to inside tester by the reception optical fiber of measuring rod.It receives
Reflected impulse light enter inside tester, optical signal switchs to electric signal by photoelectric conversion module, and electric signal passes through signal
Amplification module amplifies, and is filtered subsequently into signal filter module to its amplified electric signal, subsequently into monolithic
Machine module carries out the conversion of analog/digital signal, handles data, then carry out data compression, pass through wireless transport module and day
Line is sent to host computer.Being converted to power supply by power conversion module can be for the supply voltage that tester uses, memory
Store compressed data.Host computer handles data accepted.Its work can satisfy that the following conditions are small in size, cost
It is low, it is suitable for adverse circumstances, transmission signal can pass through rock, soil, water.
Claims (9)
1. a kind of river flow velocity contains husky measuring device characterized by comprising
Module (1) occurs for light, for generating corresponding optical signal；
Reference test bar (2) is used for transmission light and visible light, generation reflected impulse light and reflected impulse light biography that module (1) generates occurs
It is defeated；
Photoelectric conversion module (3), for collected optical signal to be converted to electric signal；
Signal amplification module (4), for amplifying the electric signal after photoelectric conversion；
Signal filter module (5), for amplified signal to be filtered；
Microprocessor module (6), for carrying out calculation process to filtered signal；
Data memory module (7), for storing data information；
Wireless transport module (8), for sending upper computer end for the data handled well；
Power module (9), for this each functional module power supply；
Power conversion module (10), for the voltage of power module (9) to be converted to voltage required for each functional module；
Module (1), reference test bar (2), photoelectric conversion module (3), signal amplification module (4), signal filter module occur for the light
(5), microprocessor module (6), data memory module (7) and wireless transport module (8) are sequentially connected in series, photoelectric conversion module
(3) it is connected with reference test bar (2), wireless transport module (8) is connected with host computer data, the input of the power conversion module (10)
End is connected with the output end of power module (9), the output end power supply with each module in device in addition to reference test bar (2) respectively
End is connected.
2. measuring device according to claim 1, it is characterised in that: reference test bar (2) uses two optical fiber and rotor.
3. measuring device according to claim 1, it is characterised in that: the photoelectric conversion module (3) is phototriode.
4. measuring device according to claim 1, it is characterised in that: signal amplification module (4) core chips uses
LM358 chip.
5. measuring device according to claim 1, it is characterised in that: the microprocessor module (6) uses ATmega48
Type single-chip microcontroller.
6. measuring device according to claim 1, it is characterised in that: the data memory module (7) is stored using SD
Card.
7. measuring device according to claim 1, it is characterised in that: the wireless transport module (8) uses CC1101 core
Piece.
8. measuring device according to claim 1, it is characterised in that: the power conversion module (10) uses REG113N
For voltage regulator chip.
9. measuring device according to claim 1, it is characterised in that: the power module (9) is 3500 milliamperes of lithiums of capacity
Battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811462617.XA CN109655633A (en) | 2018-12-03 | 2018-12-03 | River flow velocity contains husky measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811462617.XA CN109655633A (en) | 2018-12-03 | 2018-12-03 | River flow velocity contains husky measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109655633A true CN109655633A (en) | 2019-04-19 |
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ID=66112716
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811462617.XA Pending CN109655633A (en) | 2018-12-03 | 2018-12-03 | River flow velocity contains husky measuring device |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2888448Y (en) * | 2005-07-01 | 2007-04-11 | 南京水利科学研究院 | Rotary oar type flow velocity and direction meter |
| CN201060209Y (en) * | 2007-06-15 | 2008-05-14 | 王沛云 | Novel portable propeller current velocity sensor |
| JP2009236777A (en) * | 2008-03-27 | 2009-10-15 | Furukawa Electric Co Ltd:The | Flow velocity measuring device |
| CN102565454A (en) * | 2012-01-09 | 2012-07-11 | 水利部交通运输部国家能源局南京水利科学研究院 | Integrative ultraminiature network wireless data transmission hydrometric propeller |
| CN103257250A (en) * | 2012-02-20 | 2013-08-21 | 鲁娟娟 | Propeller current meter capable of automatically tracking average flow rate of vertical line |
| CN108872631A (en) * | 2018-06-04 | 2018-11-23 | 宜昌红旗中泰电缆有限公司 | A kind of optical fiber speed measuring device |
-
2018
- 2018-12-03 CN CN201811462617.XA patent/CN109655633A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2888448Y (en) * | 2005-07-01 | 2007-04-11 | 南京水利科学研究院 | Rotary oar type flow velocity and direction meter |
| CN201060209Y (en) * | 2007-06-15 | 2008-05-14 | 王沛云 | Novel portable propeller current velocity sensor |
| JP2009236777A (en) * | 2008-03-27 | 2009-10-15 | Furukawa Electric Co Ltd:The | Flow velocity measuring device |
| CN102565454A (en) * | 2012-01-09 | 2012-07-11 | 水利部交通运输部国家能源局南京水利科学研究院 | Integrative ultraminiature network wireless data transmission hydrometric propeller |
| CN103257250A (en) * | 2012-02-20 | 2013-08-21 | 鲁娟娟 | Propeller current meter capable of automatically tracking average flow rate of vertical line |
| CN108872631A (en) * | 2018-06-04 | 2018-11-23 | 宜昌红旗中泰电缆有限公司 | A kind of optical fiber speed measuring device |
Non-Patent Citations (1)
| Title |
|---|
| 夏云峰 等: "模型试验含沙量量测技术研究", 《水利水运工程学报》 * |
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Application publication date: 20190419 |