CN105910588A - Intelligent fish lead water depth measurement circuit and method - Google Patents

Intelligent fish lead water depth measurement circuit and method Download PDF

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Publication number
CN105910588A
CN105910588A CN201610347855.0A CN201610347855A CN105910588A CN 105910588 A CN105910588 A CN 105910588A CN 201610347855 A CN201610347855 A CN 201610347855A CN 105910588 A CN105910588 A CN 105910588A
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CN
China
Prior art keywords
circuit
water depth
pressure sensor
water
cpu
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Pending
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CN201610347855.0A
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Chinese (zh)
Inventor
王剑平
吴锦生
杨晓洪
张果
车国霖
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Kunming University of Science and Technology
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Kunming University of Science and Technology
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Application filed by Kunming University of Science and Technology filed Critical Kunming University of Science and Technology
Priority to CN201610347855.0A priority Critical patent/CN105910588A/en
Publication of CN105910588A publication Critical patent/CN105910588A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C13/00Surveying specially adapted to open water, e.g. sea, lake, river or canal
    • G01C13/008Surveying specially adapted to open water, e.g. sea, lake, river or canal measuring depth of open water

Abstract

The invention relates to an intelligent fish lead water depth measurement circuit and method and belongs to the technical field of acquisition of electronic information data. An output end of a water depth pressure sensor is connected with a water depth pressure sensor connector; the water depth pressure sensor connector is connected with an input end of an operational amplifier circuit and an output end of the operational amplifier circuit is connected with an analogue/digital input end of a CPU (Central Processing Unit) circuit; the output end of the CPU circuit is connected with a switch and a serial port communication end of the CPU circuit is connected with the input end of a ZIGBEE circuit; the output end of the switch is connected with a water depth pressure sensor connector power supply, an operational amplifier circuit power supply and a ZIGBEE circuit power supply; and a ZIGBEE circuit radio frequency output end is connected with an antenna. With the adoption of the intelligent fish lead water depth measurement circuit and method, the problems of depth measurement of a hydrometric cableway that the water depth data precision is not high and is not convenient to acquire, acquisition time is long and the real-time performance is poor are solved; and the intelligent fish lead water depth measurement circuit and method are suitable for occasions for portably and accurately acquiring water depth information of a water region by a hydrometric station in real time under bad weather environments. The circuit is simple in structure and easy to realize and the power consumption of the system is low.

Description

A kind of intelligence fish lead water-depth measurement circuit and method thereof
Technical field
The present invention relates to a kind of intelligence fish lead water-depth measurement circuit and method thereof, belong to electronic information data acquisition technology field.
Background technology
At present, to enter water regime monitoring for discharge site significant for Water Depth Information.Hydrometric cableway depth measurement because of impulse force partition density parameter suffered by fish lead be difficult to determine, measurement error is looked in longline and wet rope suspension cable drift angle and wet rope, cableway displacement measurement errors, fish lead weight and cause the problem that total accuracy of sounding is the highest, hydrometric cableway depth measurement relies on manually recorded data and is estimated the actual depth of water by formula, thus bathymetric data exist bigger measurement error, gather inconvenience, bathymetric data obtains time-consuming long, the most in bad weather conditions, hydrometric cableway depth measurement is difficult to meet the requirement of the accurate Water Depth Information in the real-time convenient acquisition waters of discharge site.
Summary of the invention
The technical problem to be solved in the present invention is: the present invention provides a kind of intelligence fish lead water-depth measurement circuit and method thereof, and for solving, the bathymetric data precision of hydrometric cableway depth measurement existence is the highest, gather inconvenience, obtain time-consuming length, the problem of poor real.
The technical scheme is that: a kind of intelligence fish lead water-depth measurement circuit, including water depth pressure sensor, water depth pressure sensor interface, discharge circuit, cpu circuit, ZIGBEE circuit, antenna and switch;Described water depth pressure sensor output is connected with water depth pressure sensor interface, water depth pressure sensor interface is connected with discharge circuit input, the mould of discharge circuit outfan and cpu circuit number input be connected, the output port of cpu circuit is connected with switch, its serial communication end is connected with ZIGBEE circuit input end, output switching terminal connects water depth pressure sensor interface power supply, discharge circuit power supply and ZIGBEE circuit power respectively, and ZIGBEE circuit RF output end connects antenna.
Preferably, described discharge circuit can use low-loss discharge circuit;Cpu circuit can use super low-power consumption cpu circuit;Switch can use low loss switching;Low-loss discharge circuit can be the power attenuation discharge circuit less than 0.5 watt, and super low-power consumption cpu circuit can be the CPU power consumption cpu circuit less than 20 milliamperes, and low loss switching can be the power consumption switch in 0.5 ~ 8.5 microwatt.
Preferably, described water depth pressure sensor can use the waterproof anti-corrosion three-wire system pressure transducer of 5V direct current supply 4 ~ 20 milliamperes output electric current.
Preferably, described water depth pressure sensor interface can use the three-prong of 2.54 millimeters can button socket.
Preferably, described low-loss discharge circuit can use the voltage follower that NJU77000 chip forms.
Preferably, the process chip of described super low-power consumption cpu circuit can use STM8L152C6T6.
Preferably, described low loss switching chip model can use the chip model of MAX4066, ZIGBEE circuit can be CC2530, and antenna can use Whip antenna.
A kind of intelligence fish lead water-depth measurement method, first water depth pressure sensor acquisition water depth pressure data be translated into rated current data;By discharge circuit, current signal is converted to voltage signal again;Cpu circuit calculates, according to the voltage signal collected, the actual water depth value that water depth pressure sensor measurement obtains in real time, and by ZIGBEE circuit, water depth value is radioed to discharge site server.
Discharge site server is radioed to by ZIGBEE circuit again after the packet that water depth value is first packaged into the 16 short pack arrangements of byte by described cpu circuit.
The operation principle of the present invention is:
As it is shown in figure 1, described a kind of intelligence fish lead water-depth measurement circuit, it is made up of water depth pressure sensor 1, water depth pressure sensor interface 2, low-loss discharge circuit 3, super low-power consumption cpu circuit 4, ZIGBEE circuit 5, antenna 6 and low loss switching 7.Water depth pressure sensor interface uses and can facilitate access and the power supply of water depth pressure sensor by button socket, low-loss discharge circuit is responsible for being converted into the current signal of sensor the AD voltage input signal of super low-power consumption cpu circuit, super low-power consumption cpu circuit calculates the actual water depth value that water depth sensor measurement obtains the packet that water depth value is packaged into the 16 short pack arrangements of byte according to voltage input signal, discharge site server is radioed to by ZIGBEE circuit, low loss switching is responsible for when the system free time cutting off water depth sensor power supply, low-loss discharge circuit power supply and the power supply of ZIGBEE circuit, reduce system power dissipation.
Low-loss refers to power attenuation less than 0.5 watt, the chip type of the low loss switching circuit that system uses can be MAX4066, its power consumption is a few microwatt, the chip type of the discharge circuit used can be NJU77000, its power consumption is 0.145 microwatt to the maximum, super low-power consumption cpu circuit can use CPU power consumption to be less than 20 milliamperes, the super low-power consumption cpu type that system uses is STM8L, during its full speed running, power consumption is only about 6 milliamperes, and within time most of the time that system is run in a dormant state, its dormancy power consumption is low reaches 6 microamperes to CPU.
The invention has the beneficial effects as follows:
1, the present invention use water depth pressure sensor interface circuitry meet water depth pressure sensor power demands and for CPU sound the depth of the water sensor output signal provide interface, facilitate the installation of water depth sensor;
2, the present invention uses low-loss discharge circuit that the output current signal of water depth pressure sensor is converted to be suitable for super low-power consumption CPU to carry out the voltage signal of AD sampling request, meet the demand that CPU measures;
3, super low-power consumption CPU of the present invention obtains magnitude of voltage calculating water depth value according to AD sampling and utilizes ZIGBEE circuit to be wirelessly transferred Water Depth Information to discharge site server, facilitates survey station to monitor water depth in real time;
4, the present invention utilizes the artificial depth detecting method that water depth pressure sensor acquisition Water Depth Information is traditional relative to hydrometric cableway, and its measurement obtains bathymetric data precision and is greatly improved;
5, the present invention utilizes super low-power consumption cpu circuit to process water depth sensor signal, and its real-time is good, processing accuracy is high, and can meet the demand of discharge site Real-time Collection Water Depth Information;
6, the present invention uses ZIGBEE circuit to be wirelessly transferred Water Depth Information, decreases the acquisition time of Water Depth Information and facilitates the discharge site monitoring to water depth information;Being applicable in bad weather conditions, discharge site requires the occasion of the accurate Water Depth Information in real-time convenient acquisition waters;
7, present configuration is simple, be easily achieved, and system power dissipation is low.
Accompanying drawing explanation
Fig. 1 is circuit hardware block diagram of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawings and specific embodiment, the invention will be further described.
Embodiment 1: as it is shown in figure 1, a kind of intelligence fish lead water-depth measurement circuit, including water depth pressure sensor, water depth pressure sensor interface, discharge circuit, cpu circuit, ZIGBEE circuit, antenna and switch;Described water depth pressure sensor output is connected with water depth pressure sensor interface, water depth pressure sensor interface is connected with discharge circuit input, the mould of discharge circuit outfan and cpu circuit number input be connected, the output port of cpu circuit is connected with switch, its serial communication end is connected with ZIGBEE circuit input end, output switching terminal connects water depth pressure sensor interface power supply, discharge circuit power supply and ZIGBEE circuit power respectively, and ZIGBEE circuit RF output end connects antenna.
A kind of intelligence fish lead water-depth measurement method, first water depth pressure sensor acquisition water depth pressure data be translated into rated current data;By discharge circuit, current signal is converted to voltage signal again;Cpu circuit calculates, according to the voltage signal collected, the actual water depth value that water depth pressure sensor measurement obtains in real time, and by ZIGBEE circuit, water depth value is radioed to discharge site server.
Discharge site server is radioed to by ZIGBEE circuit again after the packet that water depth value is first packaged into the 16 short pack arrangements of byte by described cpu circuit.
Embodiment 2: as it is shown in figure 1, a kind of intelligence fish lead water-depth measurement circuit, including water depth pressure sensor, water depth pressure sensor interface, discharge circuit, cpu circuit, ZIGBEE circuit, antenna and switch;Described water depth pressure sensor output is connected with water depth pressure sensor interface, water depth pressure sensor interface is connected with discharge circuit input, the mould of discharge circuit outfan and cpu circuit number input be connected, the output port of cpu circuit is connected with switch, its serial communication end is connected with ZIGBEE circuit input end, output switching terminal connects water depth pressure sensor interface power supply, discharge circuit power supply and ZIGBEE circuit power respectively, and ZIGBEE circuit RF output end connects antenna.
Preferably, described discharge circuit can use low-loss discharge circuit;Cpu circuit can use super low-power consumption cpu circuit;Switch can use low loss switching;Low-loss discharge circuit can be the power attenuation discharge circuit less than 0.5 watt, and super low-power consumption cpu circuit can be the CPU power consumption cpu circuit less than 20 milliamperes, and low loss switching can be the power consumption switch in 0.5 ~ 8.5 microwatt.
A kind of intelligence fish lead water-depth measurement method, first water depth pressure sensor acquisition water depth pressure data be translated into rated current data;By discharge circuit, current signal is converted to voltage signal again;Cpu circuit calculates, according to the voltage signal collected, the actual water depth value that water depth pressure sensor measurement obtains in real time, and by ZIGBEE circuit, water depth value is radioed to discharge site server.
Discharge site server is radioed to by ZIGBEE circuit again after the packet that water depth value is first packaged into the 16 short pack arrangements of byte by described cpu circuit.
Embodiment 3: as it is shown in figure 1, a kind of intelligence fish lead water-depth measurement circuit, including water depth pressure sensor, water depth pressure sensor interface, discharge circuit, cpu circuit, ZIGBEE circuit, antenna and switch;Described water depth pressure sensor output is connected with water depth pressure sensor interface, water depth pressure sensor interface is connected with discharge circuit input, the mould of discharge circuit outfan and cpu circuit number input be connected, the output port of cpu circuit is connected with switch, its serial communication end is connected with ZIGBEE circuit input end, output switching terminal connects water depth pressure sensor interface power supply, discharge circuit power supply and ZIGBEE circuit power respectively, and ZIGBEE circuit RF output end connects antenna.
Preferably, described discharge circuit can use low-loss discharge circuit;Cpu circuit can use super low-power consumption cpu circuit;Switch can use low loss switching;Low-loss discharge circuit can be the power attenuation discharge circuit less than 0.5 watt, and super low-power consumption cpu circuit can be the CPU power consumption cpu circuit less than 20 milliamperes, and low loss switching can be the power consumption switch in 0.5 ~ 8.5 microwatt.
Preferably, described water depth pressure sensor can use the waterproof anti-corrosion three-wire system pressure transducer of 5V direct current supply 4 ~ 20 milliamperes output electric current.
Preferably, described water depth pressure sensor interface can use the three-prong of 2.54 millimeters can button socket.
Preferably, described low-loss discharge circuit can use the voltage follower that NJU77000 chip forms.
Preferably, the process chip of described super low-power consumption cpu circuit can use STM8L152C6T6.
Preferably, described low loss switching chip model can use the chip model of MAX4066, ZIGBEE circuit can be CC2530, and antenna can use Whip antenna.
A kind of intelligence fish lead water-depth measurement method, first water depth pressure sensor acquisition water depth pressure data be translated into rated current data;By discharge circuit, current signal is converted to voltage signal again;Cpu circuit calculates, according to the voltage signal collected, the actual water depth value that water depth pressure sensor measurement obtains in real time, and by ZIGBEE circuit, water depth value is radioed to discharge site server.
Discharge site server is radioed to by ZIGBEE circuit again after the packet that water depth value is first packaged into the 16 short pack arrangements of byte by described cpu circuit.
nullAs shown in Figure 1,It is suspended in the fish lead look at and before entering water, water depth pressure sensor is inserted the water depth pressure sensor interface of carry sounding gear on fish lead,Connect sounding gear power supply and carry out system reset,Fish lead is put in water,STM8L super low-power consumption cpu circuit first passes through MAX4066 low loss switching and connects water depth sensor when normal mode of operation、The power supply of low-loss discharge circuit,CPU gathers water depth sensor data and calculates water depth value,Water depth value calculates and terminates the break power supply of water depth sensor and discharge circuit of rear cutout and be also turned on ZIGBEE circuit power,The bathymetric data being packaged into 16 byte short pack arrangement packet obtained after being processed by CPU passes through ZIGBEE circuit via antenna wireless transmission to discharge site server device,After DTD, CPU cuts off ZIGBEE circuit power by low loss switching,CPU enters timing wake-up sleep pattern,Waiting for CPU timing arrives and carries out next round data acquisition.
Above in conjunction with accompanying drawing, the specific embodiment of the present invention is explained in detail, but the present invention is not limited to above-described embodiment, in the ken that those of ordinary skill in the art are possessed, it is also possible to various changes can be made on the premise of without departing from present inventive concept.

Claims (9)

1. an intelligent fish lead water-depth measurement circuit, it is characterised in that: include water depth pressure sensor, water depth pressure sensor interface, discharge circuit, cpu circuit, ZIGBEE circuit, antenna and switch;Described water depth pressure sensor output is connected with water depth pressure sensor interface, water depth pressure sensor interface is connected with discharge circuit input, the mould of discharge circuit outfan and cpu circuit number input be connected, the output port of cpu circuit is connected with switch, its serial communication end is connected with ZIGBEE circuit input end, output switching terminal connects water depth pressure sensor interface power supply, discharge circuit power supply and ZIGBEE circuit power respectively, and ZIGBEE circuit RF output end connects antenna.
Intelligence fish lead water-depth measurement circuit the most according to claim 1, it is characterised in that: described discharge circuit uses low-loss discharge circuit;Cpu circuit uses super low-power consumption cpu circuit;Switch uses low loss switching;Low-loss discharge circuit uses the power attenuation discharge circuit less than 0.5 watt, and super low-power consumption cpu circuit uses the CPU power consumption cpu circuit less than 20 milliamperes, and low loss switching uses the power consumption switch in 0.5 ~ 8.5 microwatt.
Intelligence fish lead water-depth measurement circuit the most according to claim 1 and 2, it is characterised in that: described water depth pressure sensor uses the waterproof anti-corrosion three-wire system pressure transducer of 5V direct current supply 4 ~ 20 milliamperes output electric current.
Intelligence fish lead water-depth measurement circuit the most according to claim 1 and 2, it is characterised in that: the three-prong of described water depth pressure sensor interface employing 2.54 millimeters can button socket.
Intelligence fish lead water-depth measurement circuit the most according to claim 1 and 2, it is characterised in that: described discharge circuit uses the voltage follower of NJU77000 chip composition.
Intelligence fish lead water-depth measurement circuit the most according to claim 1 and 2, it is characterised in that: the process chip of described cpu circuit uses STM8L152C6T6.
Intelligence fish lead water-depth measurement circuit the most according to claim 1 and 2, it is characterised in that: described switch chip model uses the chip model of MAX4066, ZIGBEE circuit to be CC2530, and antenna uses Whip antenna.
8. an intelligent fish lead water-depth measurement method, it is characterised in that: first water depth pressure sensor acquisition water depth pressure data be translated into rated current data;By discharge circuit, current signal is converted to voltage signal again;Cpu circuit calculates, according to the voltage signal collected, the actual water depth value that water depth pressure sensor measurement obtains in real time, and by ZIGBEE circuit, water depth value is radioed to discharge site server.
Intelligence fish lead water-depth measurement method the most according to claim 8, it is characterised in that: radio to discharge site server by ZIGBEE circuit again after the packet that water depth value is first packaged into the 16 short pack arrangements of byte by described cpu circuit.
CN201610347855.0A 2016-05-24 2016-05-24 Intelligent fish lead water depth measurement circuit and method Pending CN105910588A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107367268A (en) * 2017-07-25 2017-11-21 昆明理工大学 A kind of intelligent fish lead dynamic depth of water measuring circuit and method based on 3 d pose
CN107941302A (en) * 2017-10-30 2018-04-20 苏州工艺美术职业技术学院 Water-depth measurement detector
CN109059872A (en) * 2018-05-24 2018-12-21 苏州戎维邦信息技术有限公司 The compound depthkeeping circuit module of autonomous underwater low-power consumption and depthkeeping method

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JPH08320226A (en) * 1995-05-25 1996-12-03 Nec Eng Ltd Depth detector
CN104381096A (en) * 2014-12-09 2015-03-04 武汉大学 Zigbee network based insertion type wireless irrigation and subsurface water drainage device

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Publication number Priority date Publication date Assignee Title
JPH08320226A (en) * 1995-05-25 1996-12-03 Nec Eng Ltd Depth detector
CN104381096A (en) * 2014-12-09 2015-03-04 武汉大学 Zigbee network based insertion type wireless irrigation and subsurface water drainage device

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Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107367268A (en) * 2017-07-25 2017-11-21 昆明理工大学 A kind of intelligent fish lead dynamic depth of water measuring circuit and method based on 3 d pose
CN107941302A (en) * 2017-10-30 2018-04-20 苏州工艺美术职业技术学院 Water-depth measurement detector
CN109059872A (en) * 2018-05-24 2018-12-21 苏州戎维邦信息技术有限公司 The compound depthkeeping circuit module of autonomous underwater low-power consumption and depthkeeping method

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Application publication date: 20160831