CN104880249A - Waterborne light intensity wireless test array system - Google Patents
Waterborne light intensity wireless test array system Download PDFInfo
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- CN104880249A CN104880249A CN201510260800.1A CN201510260800A CN104880249A CN 104880249 A CN104880249 A CN 104880249A CN 201510260800 A CN201510260800 A CN 201510260800A CN 104880249 A CN104880249 A CN 104880249A
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Abstract
The invention discloses a waterborne light intensity wireless test array system. The waterborne light intensity wireless test array system comprises a plurality of main node buoys and a plurality of slave node buoys, each main node buoy is arranged on a ship, the slave node buoys are arranged around the main node buoys, each main node buoy and the slave node buoys are both provided with single-chip microcomputers, the single-chip microcomputers are respectively connected with a photosensitive sensor, laser range-measuring modules, a power driving module, a GPS positioning module, and a wireless transmit-receive module via circuits, the power driving module is connected with a stepping motor via the circuit, and the laser range-measuring modules are arranged at four corners of the main node buoys or the slave node buoys. The beneficial effect of the waterborne light intensity wireless test array system is that point-to-point test and positioning of the waterborne light intensity can be well performed.
Description
Technical field
The invention belongs to the test macro technical field of light intensity waterborne, relate to a kind of light intensity wireless test array system waterborne.
Background technology
Most fish have a suitable movable illumination range, namely produce maximum become light rate time light intensity interval, when intensity of illumination reaches applicable illumination or the hobby illumination of fish, just can cause fish cluster in the water layer of this illumination, utilize this phototactic characteristics of fish, the fishing operation at current sea, mainly obtains larger fishing efficiency by means of certain illumination instrument.Fishing lamp is the important tool of production of light fishery, utilizes the photoaxis feature of fish, and adopt light to lure fish gathering group, then carrying out surrounds and seize or fish catches.In China's Of Marine Fishing Boats Of, photo-induction operation occupies critical positions, and such operating type comprises purse seine, applies net, the fishing of ocean squid, saury purse seine etc.But also can difference to some extent for its photoaxis of different fish, therefore for improving gathering effect, fully to analyze and the light distribution of test fishing lamp just seems particularly important.
Current fishing lamp light intensity test, mainly in selected light area, is divided into equally spaced array format, utilizes illuminometer point-to-point measurement light intensity, according to the Illumination Distribution situation of test result analysis fishing lamp.Although this method is widely used in the actual illumination patterns of measurement, measurement result exists certain error, first when pointwise test, illuminometer placement each time all can not be identical, and the situation accepting illumination also can be different, secondly, tester introduces certain interference, human body and institute the dress ornament reflected light that changes generation relative to the position of illuminometer different, can have a huge impact test result thus, the method is utilized to carry out measuring particularly difficulty across the sea in addition, because man-made division test point is difficult to realize across the sea, therefore also only measure in the general position estimated when measuring, cause site error, have influence on the analysis of result, and the distinct disadvantage of above-mentioned measuring method wastes time and energy, therefore consider above some, for improving measuring accuracy, reduce human cost, we devise a wireless light intensity test macro, this system is mainly the light-metering demand on sea that realizes, laser ranging technique is utilized to realize auto arrangement illuminometer position, synchro measure, Real-time Collection, wirelessly transmitting data.
Summary of the invention
The object of the present invention is to provide a kind of light intensity wireless test array system waterborne, solve the problem of existing light intensity pointwise test difficulty location waterborne.
The technical solution adopted in the present invention comprises several host node buoys and several minor node buoys, each host node buoy is installed aboard ship, minor node buoy is arranged on around host node buoy, each host node buoy and minor node buoy are equipped with single-chip microcomputer, single-chip microcomputer connects light sensor, laser ranging module, power drive module, GPS locating module and radio receiving transmitting module respectively by circuit, power drive module connects stepper motor by circuit, and laser ranging module installation is in the corner of host node buoy or minor node buoy.
Further, described host node buoy and several minor node buoys ultimate range are between any two not more than 1.5m.
Further, the model of described laser ranging module is DLS-A16; Described single-chip microcomputer model is CC2530; The main control chip of described stepper motor is ULN2803.
The invention has the beneficial effects as follows can well to light intensity pointwise test location waterborne.
Accompanying drawing explanation
Fig. 1 is the microcontroller system circuit schematic diagram of the present invention's light intensity wireless test waterborne array system;
Fig. 2 is the circuit theory diagrams of the silicon photo diode of photosensitive sensor module of the present invention;
Fig. 3 is laser ranging module of the present invention and single chip circuit catenation principle figure;
Fig. 4 is the interface connection diagram of ULN2803 chip of the present invention and CC2530;
Fig. 5 is ULN2803 chip of the present invention and CC2530 circuit catenation principle figure;
Fig. 6 is the radio transmitter figure of CC2530 of the present invention;
Fig. 7 is the wireless receiving circuit figure of CC2530 of the present invention;
Fig. 8 is the array arrangement schematic diagram of float type light intensity test system of the present invention;
Fig. 9 is present system workflow schematic diagram.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
One of the present invention light intensity wireless test waterborne array system comprises several host node buoys and several minor node buoys, each host node buoy is installed aboard ship, minor node buoy is arranged on around host node buoy, each host node buoy and minor node buoy are equipped with single-chip microcomputer, single-chip microcomputer connects light sensor, laser ranging module, power drive module, GPS locating module and radio receiving transmitting module respectively by circuit, power drive module connects stepper motor by circuit, and laser ranging module installation is in the corner of host node buoy or minor node buoy.Host node buoy and several minor node buoys ultimate range are between any two not more than 1.5m.The model of laser ranging module is DLS-A16; Described single-chip microcomputer model is CC2530; The main control chip of described stepper motor is ULN2803.
Light sensor, for measuring light intensity, data, for measuring the spacing not between concentric float, are supplied to single-chip microcomputer by laser ranging module, single-chip microcomputer processes rear transmission control command to power drive module to data, thus drived control buoy moves on the position of specifying.The collection of single-chip microcomputer major control data, the driving of power and the transmission of wireless data, the positional information between buoy is provided by laser ranging module, carry out data processing by single-chip microcomputer and send instruction, by power drive module drive buoy to the position of specifying, buoy is made to complete the arrayed form of regulation, on this basis, light sensor is transferred to data wireless transceiver module by single-chip microcomputer data the data of testing, terminating machine is wirelessly sent to show, complete the light intensity test on certain water surface area, GPS locating module is used for determining the geographic position measuring waters.
As shown in Figure 1, single-chip microcomputer model is CC2530, CC2530 single-chip microcomputer is a complete compatible 8051 kernels to microcontroller system circuit schematic diagram, and the interface between wireless device is provided, this makes it possible to give an order, reading state, automatic operation and the order determining wireless device event.Support the 2.4GHZ less radio-frequency single-chip microcomputer of IEEE802.15.4 agreement, the maximum FLASH capacity able to programme having 256KB, the A/D ALT-CH alternate channel of 12 10 precision, 21 two-way I/O ports, can meet the requirement of Z-Stack running memory capacity.Be illustrated in figure 1 the minimum system figure of CC2530 single-chip microcomputer.
The circuit of the silicon photo diode of light sensor as shown in Figure 2, OPA129 amplifier is adopted to carry out signal amplification, OPA129 is dual power supply work, positive-negative power pin is respectively 7 pin and 5 pin, the low capacity electric capacity (C25, C26) that each power pins accesses 0.1uF respectively carries out High frequency filter.The light intensity numerical value that silicon photo diode collects oppositely is inputted by 2 ports of OPA129 amplifier, after amplifying, exports via 6 ports, then through the P of CC2530
0-0pin is transferred to central controller.The size of electric capacity C28 and resistance R5 value determines the size of light sensor sample frequency in the circuit, and therefore this system can test the light of different wave length as required.For preventing the interference of vibration and noise, accessed C29 and C27 two shunt capacitances in circuit, for avoiding digital signal to the interference of faint simulation part, digital power and in analog between with magnetic bead (B1, B2) isolate, prevent high-frequency signal from incorporating simulation part.
Laser ranging module, because each buoy needs according to the position of host node buoy and the position of adjacent floating target range estimation self, therefore its all around four direction a laser range sensor and laser ranging module are installed respectively, and name to four laser range sensors respectively according to certain sequence according to the sequence number of buoy, be convenient to identify the range information that certain direction collects, position.Because the distance between each buoy is generally not more than 1.5 meters, therefore require higher to distance accuracy, the type DLS-A16 laser range sensor that native system adopts Switzerland Lycra company to produce is as the transmitter-receiver device of laser, and four laser instruments send exploring laser light simultaneously and find range at one time.Therefore the RS422 serial communication of CC2530 single-chip microcomputer is adopted to send range finding order to laser ranging module, laser ranging module receives this order and launches light beam signal, if ranging success, then through RS422C serial communication, adjacent floating target positional distance is returned to CC2530 reception, as shown in Figure 3.
Power drive module, stepper motor provides power for whole drive system, utilize the P1-1 of single-chip microcomputer, P1-2, P1-3, P1-4 mouth control step motor, stepper motor adopts the ULN2803 chip of MOToROLA company of the U.S., this chip is Darlington transistor integrated circuit, the highest 500mA collector current that can reach exports, maximum output voltage is 50V, with output clamp diode, 8 Darlington transistors are integrated with in its inside, the driving circuit of relay can be used as, for improving output current, add pull-up resistor, pull-up resistor is connected with power supply VCC, avoid occurring that action is judged by accident.Be illustrated in figure 4 the interface connection diagram of ULN2803 chip and CC2530, Fig. 5 is the circuit diagram of the connection of ULN2803 chip and CC2530.
The radio receiving transmitting module of data comprises radio transmitter and wireless receiving circuit, and be wireless transmit and receiving circuit figure as shown in Figure 6 and Figure 7, SCM peripheral mainly comprises filtering circuit, crystal oscillating circuit and radio-frequency (RF) front-end circuit.Crystal oscillating circuit is made up of the crystal oscillating circuit of 32MHZ and 32.768KHZ, to ensure the accuracy of serial port baud rate.The transmitting-receiving of single-chip microcomputer radiofrequency signal adopts differential mode transmission, antenna is single port, and radio-frequency (RF) front-end circuit mainly completes the conversion of differential-to-single-ended mouth, and radio-frequency (RF) front-end circuit has inductance (L1) and electric capacity (C9, C10, C11, C12, C14) form.Centroid is by master controller, zigbee radio-frequency (RF) receiving and transmission module, serial ports interrupt communication is adopted between zigbee radio-frequency (RF) receiving and transmission module and microprocessor, after Centroid zigbee module receives the data that sensor node collects, can be completed by down trigger master controller and receive data, store the tasks such as data.
The present invention will be described to enumerate specific embodiment below:
Embodiment 1: the array arrangement being illustrated in figure 8 a kind of float type light intensity test of the present invention system, the array arrangement of light intensity test system, the arrangement pitches of this array can change arbitrarily according to light-metering demand, each buoy is provided with single-chip microcomputer, light sensor, four laser ranging modules and radio receiving transmitting module.Utilize this system can realize the test of light intensity in certain limit.Can be divided into host node buoy and minor node buoy according to the purposes of buoy, host node buoy is for locating minor node buoy, and minor node buoy can form buoy array group, strong for light-metering.During owing to carrying out light intensity test on the water, the impact of various extraneous factor can be subject to, the such as impact such as wave, wind-force size, cause buoy can not be positioned on certain position required, therefore when carrying out the arrangement of buoy, first determine the position of host node buoy, the position of host node buoy generally can be fixed aboard ship, setting host node buoy is equally spaced to be arranged in x-axis, and its spacing is determined by the demand of photometric system.The host node buoy be positioned in true origin is provided with GPS, for providing the geographic position of buoy array group host node.Each buoy gives an address number by master controller, needs to carry out address communication, found range after response by laser ranging module again during each arrangement, according to ranging information, to be given an order Driving Stepping Motor work, carry out buoy arrangement by single-chip microcomputer.After array completes, the geographical location information of each buoy on minor node buoy group can be determined completely, also can determine the position, waters of carried out light-metering thus.
As shown in Figure 8, the all minor node buoys of first row can with host node buoy numbering 00 and 01 form right angle triangle, because the spacing between any two host node buoys is determined, in x-axis, the take up an official post spacing of a line minor node buoy of all host node buoys and y-axis direction is also determined, therefore can according to the position of any one the minor node buoy on first row on Pythagorean theorem determination y-axis direction, same reason, on y-axis direction, secondary series minor node buoy can be determined by 01 in host node buoy and 02, also be that on y-axis direction, jth row minor node coordinate can be determined by 0j-1 and 0j in host node buoy.When arranging, from first row on y-axis direction, lined by line scan by solstics pointwise, confirm address information, then carry out range finding arrangement, after having arranged first row minor node buoy, rearrange secondary series until last row.After arrangement, host node buoy environmentally needs to set trace interval, and timing scans, in case buoy is fallen out according to scanning principle from front to back.
The wireless transmission of light sensitive data uses light sensor, this module take single-chip microcomputer as master controller, the data collected are transmitted and received by radio receiving transmitting module, realize the wireless transmission function of multi-sensor data, the light intensity data gathered by light sensor and location coordinate information are by single-chip microcomputer process, outside radio receiver is wirelessly transmitted to by the emitting antenna of radio receiving transmitting module, and then transfer data to terminal device, the last storage being carried out data by terminal device, treatment and analysis, thus the light intensity test completed target area.
Present system workflow, be illustrated in figure 9 working-flow figure, first to system initialization, distance between the minor node buoy of setting host node buoy and each corresponding address, provide the laser ranging module scans time interval, then system starts to find range, according to the position of host node buoy successively pointwise carry out address response in a certain order, and drive corresponding minor node buoy to the position of specifying, if this node buoys all array sequence is as requested correct, carry out light-metering work again, test result is sent to the receiving system on ship, be transferred to terminating machine to show, otherwise, proceed location determination, until sorted, carry out light-metering again.
The above is only to preferred embodiment of the present invention, not any pro forma restriction is done to the present invention, every according to technical spirit of the present invention to any simple modification made for any of the above embodiments, equivalent variations and modification, all belong in the scope of technical solution of the present invention.
Claims (3)
1. a light intensity wireless test array system waterborne, it is characterized in that: comprise several host node buoys and several minor node buoys, each host node buoy is installed aboard ship, minor node buoy is arranged on around host node buoy, each host node buoy and minor node buoy are equipped with single-chip microcomputer, single-chip microcomputer connects light sensor respectively by circuit, laser ranging module, power drive module, GPS locating module and radio receiving transmitting module, power drive module connects stepper motor by circuit, laser ranging module installation is in the corner of host node buoy or minor node buoy.
2. according to light intensity wireless test array system waterborne a kind of described in claim 1, it is characterized in that: described host node buoy and several minor node buoys ultimate range are between any two not more than 1.5m.
3., according to light intensity wireless test array system waterborne a kind of described in claim 1, it is characterized in that: the model of described laser ranging module is DLS-A16; Described single-chip microcomputer model is CC2530; The main control chip of described stepper motor is ULN2803.
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| CN201510260800.1A CN104880249A (en) | 2015-05-20 | 2015-05-20 | Waterborne light intensity wireless test array system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111521260A (en) * | 2020-05-11 | 2020-08-11 | 上海海洋大学 | Detection system for underwater light field of fish gathering lamp |
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Application publication date: 20150902 |