CN208238891U - A kind of water level automatic monitoring system based on Beidou positioning and osmometer measurement - Google Patents

Abstract

The water level automatic monitoring system based on Beidou positioning and osmometer measurement that the utility model discloses a kind of, comprising: Beidou positioning module, osmometer probe, osmometer data collector, wireless communication module, signal tower, data monitoring center, cell phone client, Tailings Dam.The utility model is able to achieve the on-line real time monitoring of waterlevel data in Tailings Dam, to reduce artificial work intensity, saves cost, and improve measurement accuracy.

Description

A kind of water level automatic monitoring system based on Beidou positioning and osmometer measurement

Technical field

The utility model relates to a kind of water level monitoring system, especially a kind of water based on Beidou positioning and osmometer measurement Position automatic monitoring system.

Background technique

Tailings Dam is the important component in mining site facility, Tailings Dam can safe and stable operation, to ore dressing and production There is important role.When construction Tailings Dam is built a dam, dam body internal drainage skill will more be improved by not only reinforcing dam structure fastness Art, therefore the daily maintenance observation intracorporal water level in dam is particularly important.

Osmometer is also known as pore pressure gauge, for measuring the sensing of structures internal void water pressure or osmotic pressure Device is fixed after generally putting into height certain in water, when liquid level changes, can be measured by osmometer The height change of liquid level out；Beidou location technology can effectively obtain the elevation coordinate of measurement position, typically now only use Carry out the positioning for position.

Existing to measure water level using osmometer, principle is exactly to obtain pressure by osmometer according to pressure calculation formula P calculates the water depth where osmometer then according to the density of water.But since the water quality complexity in rock is special, density It is distributed elevation different, and that measurement position can not be obtained well, so what cannot be automated obtains waterlevel data.

Summary of the invention

The utility model place to overcome above-mentioned the deficiencies in the prior art, provides that a kind of measurement is simple, and it is convenient to operate, monitoring As a result real-time is good, and the high water level automatic monitoring system based on Beidou positioning and osmometer measurement of accuracy can be completed pair The absolute altitude of underground water, to can accurately describe each measuring point underground water under the working condition of multiple measurement points Distribution situation depicts groundwater saturation line, to be able to achieve the on-line real time monitoring of waterlevel data in Tailings Dam, to reduce Artificial work intensity, and improve measurement accuracy.

To achieve the above object, the utility model is achieved through the following technical solutions:

The utility model it is a kind of based on Beidou positioning and osmometer measurement water level automatic monitoring system the characteristics of include: north Struggle against locating module, osmometer probe, osmometer data collector, wireless communication module, signal tower, data monitoring center, mobile phone Client, Tailings Dam；

The Beidou positioning module is separately mounted on the level measuring point of the Tailings Dam, for obtaining Beidou positioning number According to and be transferred to the wireless communication module；

The osmometer probe is placed in underground water by water conservancy project cable, and is connected with the osmometer data collector It connects, to give osmometer data transfer collected to the osmometer data collector；

The osmometer data collector gives the osmometer data transfer to the wireless telecommunications by signal wire Module；

By the signal tower transfer after the wireless communication module connection 3G/4G network, so that the Beidou be positioned Data and osmometer measurement data are transferred to the data monitoring center at a distance and the cell phone client is shown.

The characteristics of water level automatic monitoring system described in the utility model based on Beidou positioning and osmometer measurement, also exists In: osmometer probe be vibrating wire piezometer, the osmometer data collector include: model STM32 microprocessor, Model BMP series baroceptor, the serial port circuit of model MAX232, model TLP250 two light-coupled isolation electricity Road, the shaping circuit of model NE555, the channel selection circuit of model CD4052, three-stage amplifier, by model OP07 Circuit of high pass filter and low-pass filter circuit constitute frequency selection circuit.

The PA9/UART0_RX pin of the microprocessor, PD10/UART0_TX pin respectively with the serial port circuit T1IN pin is connected with R1OUT pin, is used for transmission the data of the osmometer probe measurement；

PD6 pin, the PD7 pin of the microprocessor connect the A pin and B pin of a channel selection circuit；It is described micro- PG9 pin, the PG10 pin of processor connect the A pin and B pin of another channel selection circuit；

PG4 pin, the PG5 pin of the microprocessor are separately connected the SDA pin of the baroceptor and SCL draws Foot；

The PB6 pin of the microprocessor is connected to the A pin of optical coupling isolation circuit, described for providing vibration frequency The measurement frequency of shaping circuit output is drawn by the PA7 that the OUT pin of another optical coupling isolation circuit is connected to the processor Foot；

PC0 pin, PC1 pin, PC2 pin, the PC3 pin inner portions of the microprocessor are connected with temperature sensor, use In the temperature value for obtaining institute's measuring point.

The amplification factor of first order amplifying circuit is 12~14 times in the three-stage amplifier, and second level amplifying circuit is set 50~60 times are set to, the amplification factor of third level amplifying circuit is 5~6 times；

The three-stage amplifier periphery is provided with resistance and capacitor, for adjusting amplification factor and frequency-selecting frequency.

Compared with the prior art, the beneficial effects of the utility model are embodied in:

1, the utility model improves existing osmometer measurement scheme, introduces the survey of baroceptor data Amount can be good at offsetting influence of the atmospheric pressure value to measurement frequency, and amplifying circuit be improved to three-stage amplifier, in this way may be used To keep the distortion situation of signal well, the distortion situation of simple amplifying circuit is avoided, and joined Butterworth band Bandpass filter can be very good the frequency measurement of removal interference, can preferably obtain data result, and the detection frequency being arranged The range of rate improves the measurement effect that osmotic pressure counts, also increases multiplexer circuit, can carry out multichannel in this way The acquisition of data improves the cost and efficiency of measurement, and the final variation that real time position is carried out in conjunction with Beidou positioning is completed to water The measurement of position has real-time good, the high advantage of accuracy；

2, the utility model completes the measurement to multiple osmometers probe by multi-center selection circuit, fixed in conjunction with Beidou Position technology can be very good the variation of response measurement point water level, and by wireless communication module, these measurement data be sent remote Journey server carries out the display and processing of data, is then sent to cell phone application software, and the data for carrying out mobile phone terminal are shown, in this way It can accomplish that real-time data are shown and early warning, are just completed automatic measurement, are considerably reduced labor intensity, improve Measurement accuracy, and reduce cost, it can be widely used in landslide, dam and dell and the tunnel periphery monitoring soil body Deformation on interior sliding surface.

3, the position of each measurement module installation of the utility model is relatively fixed, and measurement result can more accurately reflect this Measuring point waterlevel data changes with time, and reduces the measured deviation that the mechanically actuated of manual measurement may introduce.

Detailed description of the invention

Fig. 1 is the space layout schematic diagram of Tthe utility model system；

Fig. 2 is the circuit diagram of the osmometer data collector of Tthe utility model system；

Fig. 3 is the schematic illustration of the osmometer data collector of Tthe utility model system；

Fig. 4 is the data transmission stream journey figure of Tthe utility model system；

Figure label: 1 Beidou positioning module；2 osmometers probe；3 osmometer data collectors；4 wireless communication modules；5 Signal tower；6 data monitoring centers；7 cell phone clients；8 Tailings Dams；9 microprocessors；10 baroceptors；11 light-coupled isolations electricity Road；12 serial port circuits；13 shaping circuits；14 channel selection circuits.

Specific embodiment

In the present embodiment, as shown in Figure 1, a kind of water level automatic monitoring system based on Beidou positioning and osmometer measurement, It include: Beidou positioning module 1, osmometer probe 2, osmometer data collector 3, wireless communication module 4, signal tower 5, data prison Measured center 6, cell phone client 7, Tailings Dam 8；

Beidou positioning module 1 is set as several and is separately mounted at the point of the level measuring on hillside, for obtaining The data of elevation location coordinate in position, obtained Beidou location data and osmometer measurement are integrated, can be upper The effect of water level is shown on the machine interface of position；Osmometer probe 2 is placed on underground water by connection cables, and the other end is connected to infiltration Pressure counts on collector 3, to then will by osmometer data transfer collected to osmometer data collector 3 The data of measurement are transferred to wireless communication module 4 by signal wire, and such wireless module can the positioning of simultaneous transmission Beidou and infiltration Pressure meter measurement data, integrates data, can obtain more sufficient data；

In the present embodiment, as shown in figure 4, powering to wireless communication module 4 and connecting 3G/4G network, pass through signal The Beidou location data of measurement and osmometer measurement data are transferred to data monitoring center 6 by 5 transfer of tower at a distance, and in hand It the problem of cell phone application software of the display design of machine client 7, thus very good solution observation data must be at the scene, can Can observe waterlevel data in the place for having network well；

In the present embodiment, as shown in Figures 2 and 3, osmometer probe 2 is vibrating wire piezometer, osmometer data collector 3 Microprocessor model 9 be STM32, the chip performance stablize, it is more demanding for programming, also ensure the secrecy of program Property, the model BMP family chip of baroceptor 10, the model digital high accuracy baroceptor can pass through IIC The reading of degree of progress sensor ensure that the high precision of data, serial port circuit 12 are MAX232 circuit module, fully meet The requirement of ready-made distance is full duplex operating mode, can be very good to handle data and transmitted；Optical coupling isolation circuit 11 It is NE555 circuit for TLP250 circuit and shaping circuit 13, sufficiently distorted signal is filtered and shaping, can guarantees signal The accuracy of transmission, channel selection circuit 14 are CD4052 circuit, can be selected multiple channels, and multichannel infiltration is completed Press the measurement counted；Three-stage amplifier is respectively AD620 circuit, OP07 circuit, AD620 circuit, and frequency selection circuit is followed successively by OP07 circuit of high pass filter, OP07 low-pass filter circuit；

In the present embodiment, as shown in Fig. 2, the PA9/UART0_RX pin of STM32 processor 9, PD10/UART0_TX pin It is connect respectively with the T1IN pin of MAX232 circuit module 12 and R1OUT pin, completes the connection of hardware configuration, be used for transmission infiltration The measurement data of pressure meter probe 2, and then be attached with wireless communication module 4；

PD6 pin, PD7 pin and PG9 pin, the PG10 pin of STM32 processor 9 are separately connected two channel selecting electricity The A pin and B pin of road module CD4052, can thus carry out the processing of data according to the channel of connection；STM32 processor 9 PG4 pin, PG5 pin connect the SDA pin and SCL pin of BMP series digit baroceptor 10 respectively, by serial total The reading of line progress barometric information；

The PB6 pin of STM32 processor 9 is connected to the A pin of optical coupling isolation circuit TLP25011-1, can be compared Complete waveform provides vibration frequency, finally passes through optical coupling isolation circuit by the frequency that NE555 shaping circuit 13 is measured The OUT pin of TLP25011-2 is connected to the PA7 pin of STM32 processor 9, thus obtains the measurement of vibrating wire piezometer Frequency；

PC0, PC1, PC2, PC3 pin inner portions of STM32 processor 9 are connected with temperature sensor, can obtain institute's measuring point Temperature value；

4 sensing data Measurement channels are arranged in channel selection circuit altogether, can complete multiple osmometer probe datas Measurement and extraction, being capable of limited raising working efficiency；

In the present embodiment, it is illustrated in figure 2 three-stage amplifier, amplification factor 12~14 is arranged in first order amplifying circuit Times, second level amplifying circuit is set as 50~60 times, and the amplification factor of third level amplifying circuit is 5~6 times, can be very good to protect Hold the distortion situation of small voltage value；The resistance and condenser type of amplifying circuit periphery are used to adjust amplification factor and the frequency-selecting of amplifier Frequency；The bandpass filter that frequency selection circuit is made of high-pass filter and low-pass filter is filtered for second order Butterworth band logical Wave device can be good at the frequency for selecting osmometer measurement.

The data such as measurement frequency, temperature, the air pressure of measurement point are thus obtained, can thus be obtained by the data of measurement Distance of the osmometer probe away from water level, while can be obtained according to the elevation distance of Beidou positioning and the cable length put down Distance of the liquid level away from measurement position can thus carry out early warning and monitoring well.

Claims (4)

1. a kind of water level automatic monitoring system based on Beidou positioning and osmometer measurement, feature includes: Beidou positioning module (1), osmometer probe (2), osmometer data collector (3), wireless communication module (4), signal tower (5), data monitoring center (6), cell phone client (7), Tailings Dam (8)；

The Beidou positioning module (1) is separately mounted on the level measuring point of the Tailings Dam (8), for obtaining Beidou positioning Data are simultaneously transferred to the wireless communication module (4)；

Osmometer probe (2) is placed in underground water by water conservancy project cable, and with osmometer data collector (3) phase Connection, to give osmometer data transfer collected to the osmometer data collector (3)；

The osmometer data collector (3) gives the osmometer data transfer to the wireless telecommunications mould by signal wire Block (4)；

By the signal tower (5) transfer after wireless communication module (4) the connection 3G/4G network, so that the Beidou be determined Position data and osmometer measurement data are transferred to the data monitoring center (6) at a distance and the cell phone client (7) carries out Display.

2. the water level automatic monitoring system according to claim 1 based on Beidou positioning and osmometer measurement, feature exist In: the osmometer probe (2) is vibrating wire piezometer, and the osmometer data collector (3) includes: model STM32 micro- Processor (9), model BMP series baroceptor (10), model MAX232 serial port circuit (12), model TLP250 Two optical coupling isolation circuits, model NE555 shaping circuit (13), the channel selection circuit of model CD4052, three-level Amplifying circuit, the frequency selection circuit being made of the circuit of high pass filter of model OP07 and low-pass filter circuit.

3. the water level automatic monitoring system according to claim 2 based on Beidou positioning and osmometer measurement, feature exist In the PA9/UART0_RX pin of: the microprocessor (9), PD10/UART0_TX pin respectively with the serial port circuit (12) T1IN pin connected with R1OUT pin, be used for transmission the data of osmometer probe (2) measurement；

PD6 pin, the PD7 pin of the microprocessor (9) connect the A pin and B pin of a channel selection circuit (14-1)； PG9 pin, the PG10 pin of the microprocessor (9) connect the A pin and B pin of another channel selection circuit (14-2)；

PG4 pin, the PG5 pin of the microprocessor (9) are separately connected the SDA pin and SCL of the baroceptor (10) Pin；

The PB6 pin of the microprocessor (9) is connected to the A pin of optical coupling isolation circuit (11-1), for providing vibration frequency, The measurement frequency of shaping circuit (13) output is connected to described by the OUT pin of another optical coupling isolation circuit (11-2) The PA7 pin of processor (9)；

PC0 pin, PC1 pin, PC2 pin, the PC3 pin inner portions of the microprocessor (9) are connected with temperature sensor, are used for Obtain the temperature value of institute's measuring point.

4. the water level automatic monitoring system according to claim 2 based on Beidou positioning and osmometer measurement, feature exist In: the amplification factor of first order amplifying circuit is 12~14 times in the three-stage amplifier, and second level amplifying circuit is set as 50~60 times, the amplification factor of third level amplifying circuit is 5~6 times；

The three-stage amplifier periphery is provided with resistance and capacitor, for adjusting amplification factor and frequency-selecting frequency.