CN2415346Y - Single chip microcomputer controlled earth dam moisture permeating line scan tester for reserver - Google Patents

Abstract

The utility model relates to an SCM data logger for scanning the permeating and moistening lines of an earth dam of a reservoir, which is composed of a circuit board and a panel which are fixed in a casing, wherein, permeating and moistening water level channels, a detection value display screen of permeating and moistening water level, an indicating lamp and buttons are arranged on the panel and connected with the circuit board through signal wires. A permeating and moistening water level sensor, a reference power supply, an analog amplifying circuit, a multiplexer, an active filter circuit and an A/D converter are installed in the circuit of the SCM data logger and are mutually in electric connection through respective signal lines. The A/D converter and a nixie tube/the indicator light are respectively electrically connected with an SCM through an input buffer and a serial display driver respectively. The SCM is respectively electrically connected with an operation circuit, a print/communication interface circuit, a serial real time clock circuit and an E< 2 >PROM memory through signal lines. The SCM data logger has the advantages of simple structure, convenient operation, stable and accurate operation, reliability and high detection precision.

Description

Single chip microcomputer reservoir earth dam moisture permeating line scan tester

The utility model is a kind of single chip microcomputer reservoir earth dam moisture permeating line scan tester, belongs to the automatic detection instrument field of instrumentation technology, and particularly the reservoir earth dam oozes profit water level parameter automatic tester instruments and meters.

It is one of important content of reservoir monitoring that the reservoir earth dam oozes the profit level measuring, by every day the measurement result that the reservoir earth dam respectively oozes the profit water level being compared, analyzes the reservoir earth dam and whether has potential safety hazard, to guarantee the safety of reservoir earth dam.At present, China's reservoir earth dam oozes the monitoring of profit water level, the long-term backward state that all is in manual measurement and the measurement of on-the-spot mechanical floats, labour intensity is big, particularly during flood control, the flood control, by manual measurement and artificial field monitoring, be to be difficult to observe the situation of change of oozing the profit water level at any time, can't prevent the generation of burst accident.

The purpose of this utility model is exactly existingly to be oozed by personal monitoring's reservoir earth dam that to moisten water level labour intensity big in order to overcome and to solve, be difficult to measure and ooze the profit SEA LEVEL VARIATION in real time, can't prevent the shortcoming and the problems such as generation of burst accident, Development and design is a kind of to adopt high precision submersible liquid level sensor as the measuring sensor that oozes the profit water level, can import multichannel and ooze profit water level parameter and can be at a distance be transferred to the pulpit and carry out automatically oozing profit water level parameter, accurately, measure in real time and ooze the profit water level, alleviate operator on duty's labour intensity, the intelligent single chip microcomputer reservoir earth dam moisture permeating line scan tester that the prevention burst accident takes place.

The utility model is realized by following structure technology scheme: the appearance structure synoptic diagram of this single chip microcomputer reservoir earth dam moisture permeating line scan tester as shown in Figure 1, it is connected and composed jointly by casing, panel, circuit board, wherein has on the panel to ooze profit water level detecting channel screen 1, ooze profit water level display screen 2, touringly detect pilot lamp 3, tutorial light 4, time set pilot lamp 5, upper limit alarm pilot lamp 6, lower limit alarm lamp 7, operation/settings switching push button 8, go the rounds/fix a point switching push button 9, increment size button 10, decrement value/print button 11; The circuit block diagram of this detector as shown in Figure 2, its circuit is by oozing profit level sensor 12, analog amplify circuit 13, traffic pilot 14, active filter circuit 15, A/D converter 16, input buffer 17, single chip microcomputer computing machine 18, serial display driver 19, charactron/pilot lamp 20, serial real-time clock 21, E ²PROM memory 22, function circuit 23, printing/communication interface 24, reference power supply 25 is electrically connected formation jointly, wherein: ooze profit level sensor 12, analog amplify circuit 13, traffic pilot 14, active filter circuit 15, A/D converter 16, input buffer 17, one chip microcomputer 18, reference power supply 25 is electrically connected formation reservoir earth dam jointly and oozes the direct measurement mechanism of profit water level parameter, its key is that it is furnished with in the testing process automatically data list printing or the long-distance transmissions printing/communication interface 24 to host computer, its interconnected relationship is: panel and circuit board are fixed on the support of casing, and water level detecting channel screen 1 is moistened in oozing of panel, ooze profit water level display screen 2, the touring pilot lamp 3 that detects, tutorial light 4, time set pilot lamp 5, upper limit alarm pilot lamp 6, lower limit alarm lamp 7 grades are by the corresponding connection with circuit board of signal transmssion line separately; Oozing profit level sensor 12 is electrically connected with analog amplify circuit 13 mutually by oozing profit level sensor signal transmssion line, and be electrically connected mutually with reference power supply 25 by power lead, analog amplify circuit 13 is electrically connected with the multicircuit switch of traffic pilot 14 mutually by simulation amplifying signal transmission line, the output terminal of traffic pilot 14 is electrically connected with active filter circuit 15 mutually by the multipath conversion signal transmssion line, active filter circuit 15 is electrically connected with A/D converter 16 mutually by the filtering signal transmission line, A/D converter 16 is electrically connected with one chip microcomputer 18 mutually by input buffer 17, charactron/pilot lamp 20 is electrically connected with one chip microcomputer 18 mutually by serial display driver 19, serial real-time clock 21, E ²PROM memory 22, function circuit 23, printing/communication interface 24 are electrically connected with one chip microcomputer 18 mutually by signal transmssion line separately respectively.Its principle of work is: this detector adopts computer programming, by operation/setting switching push button 8 and tutorial light 4 selection operations or set condition, tutorial light 4 is bright to be mode of operation, tutorial light 4 goes out and is set condition, detector is under set condition, by digital display screen 1,2, pilot lamp 3～7 and button 8～11, the upper limit of each passage and lower limit alarming value, real-time clock, touring sense channel initial point value and end point values, timed print time are input to one chip microcomputer 18, and one chip microcomputer 18 is kept at E to above data ²PROM memory 22, real-time clock deposit serial real-time clock 21 in and are started, and data are not lost when having a power failure and real-time clock operation continuously by reserve battery E power supply when having a power failure.Detector is under mode of operation, the profit level sensor that oozes of each passage changes the on-the-spot profit water level parameter of oozing into electrical quantity, this electrical quantity through signal transmssion line be input to each passage independently analog amplify circuit carry out linear amplification, select and carry out low-pass filtering through the multicircuit switch of traffic pilot then by active filter circuit, carry out mould/number conversion through A/D converter again, transformation result is input to one chip microcomputer through input buffer, single chip microcomputer after calculation process channel value and ooze the profit water level value and drive charactron/indicator light circuit through serial display driver and carry out digit translation and show.In above-mentioned testing process, single chip microcomputer is by being kept at E ²Initial point value in the PROM memory and end point values are determined touring sense channel scope, the testing result of every passage and be kept at E ²Each passage upper limit and lower limit alarming value in the PROM memory compare, and promptly drive upper limit pilot lamp 6 greater than the upper limit alarm value and report to the police, and drive lower limit pilot lamp 7 less than the lower limit alarming value and report to the police; Single chip microcomputer is constantly imported data from serial real-time clock 21, and and E ²The timed print time in the PROM memory compares, by printings/communication interface can be automatically depositing in the tabulate printing or be transferred to host computer of channel value in the single chip microcomputer memory and corresponding data so that data gather and carry out remote monitor.

The basic circuit schematic diagram of this detector as shown in Figure 3.This detector can have a plurality of profit water level detecting input channels of oozing, the present embodiment design has 16 the tunnel to ooze profit water level detecting input channel, every passage ooze profit level sensor, reference power supply and analog amplify circuit is all identical and independent separately, what Fig. 3 had drawn two passages oozes profit level sensor, reference power supply and analog amplify circuit.In its circuit oozing the profit level sensor 12 comprise 16 the tunnel input ooze the profit level sensor, it is respectively What ooze profit water level detecting input channel oozes the profit level sensor, and analog amplify circuit 13, reference power supply 25 are by calculation amplifier integration member U far away ₁₂～U ₅₉, resistance R ₁～R ₁₆₀, potentiometer W ₁～W ₄₈Be electrically connected formation jointly, 1. the analog amplify circuit of passage by operational amplifier integration member U ₁₂～U ₁₃, resistance R ₁～R ₈, potentiometer W ₁～W ₂Common parallel-series connects and composes, the 1. the reference power supply of passage by operational amplifier integration member U ₁₄, resistance R ₉～R ₁₀, potentiometer W ₃Parallel-series connects and composes, and so analogizes; The

The analog amplify circuit of passage is by operational amplifier integration member U ₅₇～U ₅₈, resistance R ₁₅₁～R ₁₅₈, potentiometer W ₄₆～W ₄₇Common parallel-series connects and composes, the The accurate power supply of passage De Jiang is by operational amplifier integration member U ₅₉, resistance R ₁₅₉～R ₁₆₀, potentiometer W ₄₈Parallel-series connects and composes; Traffic pilot 14 is by electronics analog to digital conversion integration member U ₁₀～U ₁₁Common formation; Active filter circuit 15 is by operational amplifier integration member U ₆₀, resistance R ₁₆₁～R ₁₆₄, capacitor C ₁～C ₂Formation jointly is connected in series; A/D converter 16 is by A/D converter integration member U ₃, constant voltage circuit integration member U ₄, frequency division calculates integration member U ₅, resistance R ₁₆₅, capacitor C ₃～C ₅, W ₄₉Common parallel-series connects and composes; Input buffer 17 is by impact damper integration member U ₆Constitute; One chip microcomputer 18 is by CPU integration member U ₁Constitute; Serial display driver 19 is by serial display driver integration member U ₂Constitute; Charactron/pilot lamp 20 is by charactron G ₁～G ₆, pilot lamp D ₁～D ₅Common parallel-series connects and composes; Serial real-time clock 21 is by serial real-time clock integration member U ₉, crystal oscillator XTAL, reserve battery E connect and compose jointly; E ²PROM memory 22 is by E ²PROM integration member U ₇Constitute; Function circuit 23 is by resistance R ₁₆₇～R ₁₇₀Button T ₁～T ₄Connect and compose jointly; Printing/communication interface 24 is by serial communication interface integration member U ₈Constitute.The circuit working principle is: the

The profit level sensor that oozes of passage oozes after profit water level parameter becomes electrical quantity on-the-spot, by each passage independently analog amplify circuit amplify, then via U ₁₀～U ₁₁Common formation traffic pilot is selected, through U ₆₀The active filter circuit that constitutes carries out low-pass filtering, and is transported to U ₃～U ₅After the A/D converter that constitutes carries out mould/number conversion, through U ₆The input buffer that constitutes is transported to single chip microcomputer, and according to the channel value of input and ooze the profit water level value and carry out data processing, data are after treatment passed through U by CPU ₂The serial display driver that constitutes drives charactron and shows.In above-mentioned testing process, reference power supply 25 provides independent 16 groups of reference power supplies to supply with 16 tunnel inputs to ooze the profit level sensor, by U ₇The E that constitutes ²The PROM memory is used to preserve the initial point value and the end point values of touring sense channel, and every passage oozes the profit water level upper limit and lower limit alarm setting value, timed print time, by U ₈Printing/the communication interface that constitutes can be automatically depositing in single chip microcomputer U ₁Ooze profit waterlevel data and the respective channel value of memory are tabulated to print or be transferred to host computer and are carried out remote monitor, by U ₉The serial real-time clock that constitutes provides continual continuous real-time clock, the operation of function circuit 23 control detection instrument, setting, touring, fixed point, print state.

The utility model and existing manual measurement and ooze the profit level measurement device and compare following advantage and beneficial effect: (1) is because this detector is the intelligent instrument of controlled by single chip microprocessor, can respectively ooze profit water level parameter to the reservoir earth dam and automatically detect, the upper limit of every passage and lower limit alarm setting value are stored in E ²In the PROM memory, can compare with it, send alerting signal; And be furnished with printing/communication interface, can be by being kept at E ²The timed print time in the PROM memory tabulates testing result to print or be transferred to host computer automatically and carries out remote monitor; (2) this detector has multi-channel detection, and the profit level sensor that oozes of each passage all adopts identical and analog amplify circuit reference power circuit independently, adopted the electronic analog swtich of multipath conversion simultaneously, detector can be moved for a long time continuously, and accurately oozing of measure field each point moistened the water level parameter; (3) because this detector has adopted serial real-time clock, Serial E ²Circuit such as PROM memory and serial display driver, have simple in structure, working stability, real-time clock and data parameters have a power failure do not lose, testing result accurately, reliably, does not need special maintaining; (4) the automatic detection level height of this detector, easy to operate, can alleviate operator on duty's labour intensity greatly, can monitor automatically the reservoir earth dam respectively ooze the profit water level state.

Below Figure of description is further specified as follows: Fig. 1 is the contour structures synoptic diagram of single chip microcomputer reservoir earth dam moisture permeating line scan tester, Fig. 2 is the circuit block diagram of single chip microcomputer reservoir earth dam moisture permeating line scan tester, and Fig. 3 is the basic circuit schematic diagram of single chip microcomputer reservoir earth dam moisture permeating line scan tester.Among each figure: 1 for oozing profit water level detecting channel screen, and 2 for oozing profit water level display screen, and 3 are the touring pilot lamp that detects, and 4 is tutorial light, and 5 is the time set pilot lamp, and 6 is the upper limit alarm pilot lamp, and 7 for manifesting alarm lamp, and 8 are operation/setting switching push button T ₁, 9 are touring/fixed point switching push button T ₂, 10 is increment size button T ₃, 11 is decrement value/print button T ₄, W ₁～W ₄₈Be passage, ooze full scale regulator potentiometer, zero potentiometer and the reference power supply amplitude regulator potentiometer of profit level sensor, as W ₁, W ₄₆1. be respectively,

The full scale regulator potentiometer of passage, W ₂, W ₄₇1. be respectively,

The zero potentiometer of passage, W ₃, W ₄₈1. be respectively,

The reference power supply output amplitude regulator potentiometer of passage; CYW is for oozing profit level sensor, CZ ₁, CZ ₂For printing communication interface.

Embodiment of the present utility model can be as follows: (1) processes casing and panel with general machine-tooled method, the inventor is once by design shown in Figure 1, the casing that processes model machine and panel, its casing size can be: 160 * 80 * 250mm, panel size is 160 * 80mm.And then by shown in Figure 1, arrangement, processing, installation are oozed profit water level detecting channel screen, ooze profit water level display screen, are gone the rounds to detect pilot lamp D ₁, tutorial light D ₂, time set pilot lamp D ₃, upper limit alarm pilot lamp D ₄, lower limit alarm lamp D ₅, operation/setting switching push button T1, touring/fixed point switching push button T ₂, increment size button T ₃, decrement value/print button T ₄Deng; (2) by draw PCB shown in Figure 3, and by screening electric elements shown in Figure 3, wherein integration member U ₁Can select MCS-51 type single chip microcomputer for use, U ₂Can select the MAX7219 serial display driver for use, U ₃Can select 1CL7135 type A/D converter for use, U ₄Can select MC1403 type constant voltage circuit integration member for use, U ₅Can select 74LS92 frequency division counter integration member for use, U ₆Can select 74LS244 impact damper integration member for use, U ₇Can select 24LC01 type E for use ²The PROM memory, U ₈Can select MAX233 serial line interface integration member for use, U ₉Can select DS1302 serial real-time clock integration member for use, U ₁₀, U ₁₁Can select 4051 type electronic analogue-to-digital converters for use, U ₁₂～U ₆₀Can select OP07 row operation amplifier for use; (3) by shown in Figure 3, install circuit board, and be fixed in the casing, and be electrically connected with the display screen on lead and the panel, pilot lamp, button etc.Then, through energising and simple debugging, just can implement the utility model preferably.The inventor can work under 0～50 ℃ environment temperature by the model machine that above-mentioned embodiment is made, oozing profit level sensor input channel is 16 passages, oozing profit level measuring scope is 0～99.99M, and detector resolution is 0.01M, and measuring error is last 1 bit digital≤± 2.

When implement using this detector, should be electrically connected the on-the-spot profit level sensor that oozes with this detector by shown in Figure 3 in advance, and be input to oozing of this detector according to the scene and moisten the level sensor number, in this detector set condition, by button T ₁～T ₄Operation and pilot lamp D ₁～D ₅, charactron G ₁～G ₆Demonstration, be input to single chip microcomputer oozing profit water level passage initial point value and end point values, and be stored in E ²In the PROM memory.Simultaneously, also can be input to single chip microcomputer to every passage upper limit and lower limit alarming value, timed print time, real-time clock etc., single chip microcomputer is stored in E ²With startup serial real-time clock, data are not lost when having a power failure in the PROM memory.Its job step is: (1) power-on, this instrument is according to E ²Go the rounds to detect in interior set initial point value of PROM memory and the end point values scope, touring pilot lamp is bright, tutorial light is bright, ooze profit water level detecting channel screen and demonstrate the input channel numeral of oozing the profit level sensor, ooze profit water level display screen demonstrate this input channel measured ooze the profit water level value, and compare with this passage upper limit and the lower limit alarm setting value set, if greater than the upper limit alarm setting value, the upper limit alarm pilot lamp is bright, if less than the lower limit alarm setting value, the lower limit alarm lamp is bright; (2) push touring/fixed point switching push button T ₂, touring pilot lamp extinguishes, the instrument E that just fixes a point to detect ²The input channel of set initial point value in the PROM memory, the sense channel display screen demonstrates the input channel value of corresponding this initial point value, ooze profit water level display screen demonstrate corresponding initial point value input channel ooze the profit water level value; If what need that fixed point detects next passage oozes the profit water level value, as long as push increment size button T ₃Can realize; (3) push touring/fixed point switching push button T again ₂, touring detection pilot lamp is bright, and detector goes the rounds again to detect again; (4) when needs remodify setting value, as long as pressing operation/setting switching push button T ₁, tutorial light extinguishes, and can import new setting value, and after input finished, behind pressing operation/setting switching push button, tutorial light was bright, and instrument is returned to mode of operation again.In testing process, when instrument runs to and be stored in E ²The timed print time in the PROM memory is when consistent, single chip microcomputer is automatically being worth port number in the scope and the corresponding profit water level value that oozes to terminal by the printing of tabulating of printing/communication interface by the initial point value, or is sent to host computer and carries out that data gather or remote monitor; If push decrement value/print button 11 at any time, also can finish once above printing.

Claims (2)

1, a kind of single chip microcomputer reservoir earth dam moisture permeating line scan tester, it is characterized in that: it is connected and composed jointly by casing, panel, circuit board, wherein has on the panel to ooze profit water level detecting channel screen (1), ooze profit water level display screen (2), touring detect pilot lamp (3), tutorial light (4), time set pilot lamp (5), upper limit alarm pilot lamp (6), lower limit alarm lamp (7), operation/settings switching push button (8), go the rounds/fix a point switching push button (9), increment size button (10), decrement value/print button (11); Its circuit is by oozing profit level sensor (12), analog amplify circuit (13), traffic pilot (14), active filter circuit (15), A/D converter (16), input buffer (17), single chip microcomputer computing machine (18), serial display driver (19), charactron/pilot lamp (20), serial real-time clock (21), E ²PROM memory (22), function circuit (23), printing/communication interface (24), reference power supply (25) is electrically connected formation jointly, wherein: ooze profit level sensor (12), analog amplify circuit (13), traffic pilot (14), active filter circuit (15), A/D converter (16), input buffer (17), one chip microcomputer (18), reference power supply (25) is electrically connected formation reservoir earth dam jointly and oozes the direct measurement mechanism of profit water level parameter, its key is that it is furnished with in the testing process automatically the printing/communication excuse (24) to host computer of data list printing or long-distance transmissions, its interconnected relationship is: panel and circuit board are fixed on the support of casing, and water level detecting channel screen (1) is moistened in oozing of panel, ooze profit water level display screen (2), the touring pilot lamp (3) that detects, tutorial light (4), time set pilot lamp (5), upper limit alarm pilot lamp (6), lower limit alarm lamps (7) etc. are by the corresponding connection with circuit board of signal transmssion line separately; Oozing profit level sensor (12) is electrically connected with analog amplify circuit (13) mutually by oozing profit level sensor signal transmssion line, and be electrically connected mutually with reference power supply (25) by power lead, analog amplify circuit (13) is electrically connected with the multicircuit switch of traffic pilot (14) mutually by simulation amplifying signal transmission line, the output terminal of traffic pilot (14) is electrically connected with active filter circuit (15) mutually by the multipath conversion signal transmssion line, active filter circuit (15) is electrically connected with A/D converter (16) mutually by the filtering signal transmission line, A/D converter (16) is electrically connected with one chip microcomputer (18) mutually by input buffer (17), charactron/pilot lamp (20) is electrically connected with one chip microcomputer (18) mutually by serial display driver (19), serial real-time clock (21), E ²PROM memory (22), function circuit (23), printing/communication interface (24) are electrically connected with one chip microcomputer (18) mutually by signal transmssion line separately respectively.

2, by the described single chip microcomputer reservoir of claim 1 earth dam moisture permeating line scan tester, it is characterized in that described circuit can have a plurality of profit water level detecting input channels of oozing, in its circuit, oozing profit level sensor (12) and comprise that 16 tunnel inputs ooze the profit level sensor, 1. it be respectively～

What ooze profit water level detecting input channel oozes the profit level sensor, and analog amplify circuit (13), reference power supply (25) are by calculation amplifier integration member U far away ₁₂～U ₅₉, resistance R ₁～R ₁₆₀, potentiometer W ₁～W ₄₈Be electrically connected formation jointly, 1. the analog amplify circuit of passage by operational amplifier integration member U ₁₂～U ₁₃,, resistance R ₁～R ₈, potentiometer W ₁～W ₂Common parallel-series connects and composes, the 1. the reference power supply of passage by operational amplifier integration member U ₁₄, resistance R ₉～R ₁₀Potentiometer W ₃Parallel-series connects and composes, and so analogizes; The

The analog amplify circuit of passage is by operational amplifier integration member U ₅₇～U ₅₈, resistance R ₁₅₁～R ₁₅₈, potentiometer W ₄₆～W ₄₇Common parallel-series connects and composes, the The reference power supply of passage is by operational amplifier integration member U ₅₉, resistance R ₁₅₉～R ₁₆₀, potentiometer W ₄₉Parallel-series connects and composes: traffic pilot (14) is by electronics analog to digital conversion integration member U ₁₀～U ₁₁Common formation; Active filter circuit (15) is by operational amplifier integration member U ₆₀, resistance R ₁₆₁～R ₁₆₄, capacitor C ₁～C ₂Formation jointly is connected in series; A/D converter (16) is by A/D converter integration member U ₃, constant voltage circuit integration member U ₄, frequency division calculates integration member U ₅, resistance R ₁₆₅, capacitor C ₃～C ₅, W ₄₉Common parallel-series connects and composes; Input buffer (17) is by impact damper integration member U ₆Constitute; One chip microcomputer (18) is by CPU integration member U ₁Constitute; Serial display driver (19) is by serial display driver integration member U ₂Constitute; Charactron/pilot lamp (20) is by charactron G ₁～G ₆, pilot lamp D ₁～D ₅Common parallel-series connects and composes; Serial real-time clock (21) is by serial real-time clock integration member U ₉, crystal oscillator XTAL, reserve battery E connect and compose jointly; E ²PROM memory (22) is by E ²PROM integration member U ₇Constitute; Function circuit (23) is by resistance R ₁₆₇～R ₁₇₀, button T ₁～T ₄Connect and compose jointly; Printing/communication interface (24) is by serial communication interface integration member U ₈Constitute.

Images