CN214279148U - Multi-parameter acquisition device for dam safety monitoring - Google Patents
Multi-parameter acquisition device for dam safety monitoring Download PDFInfo
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- CN214279148U CN214279148U CN202120130908.XU CN202120130908U CN214279148U CN 214279148 U CN214279148 U CN 214279148U CN 202120130908 U CN202120130908 U CN 202120130908U CN 214279148 U CN214279148 U CN 214279148U
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Abstract
The utility model discloses a dam safety monitoring multi-parameter acquisition device, which comprises an upper computer, a core controller, a data acquisition device and an NB wireless communication unit; the data acquisition device comprises an osmometer, a tension wire instrument, a thermometer and a static level gauge; osmometer, tensiometer, thermometer and hydrostatic level connect the core control ware respectively, and the core control ware can convey the parameter information that data acquisition device gathered to the host computer through NB wireless communication unit. The utility model discloses carry out the multi-parameter acquisition of dam based on above-mentioned structure to realize the safety monitoring of dam, have simple structure, with low costs, advantage that the consumption is low, and, can guarantee data transmission's stability, also practiced thrift output transmission's energy consumption.
Description
Technical Field
The utility model relates to a dam safety monitoring technical field, in particular to dam safety monitoring multi-parameter acquisition device.
Background
The dam safety monitoring is an effective means for people to know the running state and the safety condition of the dam and is one of important measures for ensuring the safe running of the dam, the working state of the dam can be known by timely acquiring first-hand data, a basis is provided for evaluating the dam condition and generating abnormal phenomena, and therefore a proper plan and maintenance measures of the dam can be made to guarantee the safe running of the dam.
The parameters of dam safety monitoring generally comprise osmotic pressure, soil pressure, deformation, stress, strain, temperature and the like, and can be monitored in a manual mode and an automatic mode. The traditional dam safety monitoring is mostly manually measured by adopting a single manual parameter, so that on one hand, inaccurate data and poor monitoring precision are easily caused by human errors; on the other hand, the labor intensity of workers is increased along with the increase of the monitoring purposes. With the development of monitoring technology and the progress of computer network technology, dam safety monitoring systems are also continuously developed. The existing dam safety monitoring system adopts some remote communication monitoring methods, and adopts a GPRS wireless network to monitor the dam safety, although the data exchange is rapid and the communication quality is high, when the data volume is overlarge, the phenomena of information congestion and data packet loss exist; compared with GPRS communication, the 3G/4G-based wireless communication has the advantages that although the communication speed and the bandwidth are improved, the cost is high, the power consumption is large, the requirement of node energy limitation cannot be met, meanwhile, the service supply and the service management are not flexible, and the network coverage is not deep enough.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's shortcoming and not enough, provide a dam safety monitoring multi-parameter acquisition device of low-power consumption, low cost, the device has guaranteed data transmission's stability, has also practiced thrift the energy consumption of output transmission.
The purpose of the utility model is realized through the following technical scheme: a dam safety monitoring multi-parameter acquisition device comprises an upper computer, a core controller, a data acquisition device and an NB wireless communication unit;
the data acquisition device comprises an osmometer, a tension wire instrument, a thermometer and a static level gauge;
the osmometer is connected with the core controller and is used for detecting the osmotic water pressure of the dam and sending the detected information to the core controller;
the bracing wire instrument is connected with the core controller and used for detecting the horizontal displacement of the dam and sending the detected information to the core controller;
the thermometer is connected with the core controller and used for detecting the temperature of the dam and sending the detected information to the core controller;
the hydrostatic level is connected with the core controller and used for detecting the vertical displacement of the dam and sending the detected information to the core controller;
the core controller is connected with the NB-IOT cloud platform through the NB wireless communication unit and is communicated with the upper computer through the NB-IOT cloud platform.
Preferably, the data acquisition device is connected to a USART interface of the core controller through a 485 isolation module;
osmometer, tensile wire appearance, thermometer and hydrostatic level in the data acquisition device pass through 485 bus connection to 485 isolation module.
Preferably, the data acquisition device is connected to a power supply through a power supply management unit; the power supply management unit is connected with the core controller, and the working state of the power supply management unit is controlled through the core controller, so that the power supply condition of the data acquisition device is controlled.
Furthermore, the power supply management unit is a relay;
the IO port of the core controller is connected into an input loop of the relay and used for controlling the working state of the relay;
the power supply end of the data acquisition device is connected into the output loop of the relay.
Preferably, the system also comprises a power supply for supplying power to the core controller and/or the data acquisition device;
the power supply comprises a solar photovoltaic panel and a battery, wherein the solar photovoltaic panel is connected with the battery through a charging controller to charge the battery;
the power supply is connected to the power supply end of the core controller and/or the data acquisition device through the voltage stabilizing circuit.
Preferably, the system also comprises a power supply for supplying power to the core controller and/or the data acquisition device;
the power supply comprises a solar photovoltaic panel and a battery, wherein the positive power supply electrode of the solar photovoltaic panel is connected to the positive power supply electrode of the battery through a diode D1, the positive power supply electrode of the solar photovoltaic panel is connected with the anode of a diode D1, the cathode of a diode D1 is connected with the positive power supply electrode of the battery, and the negative power supply electrode of the solar photovoltaic panel and the negative power supply electrode of the battery are both grounded; the anode of the battery, namely the cathode of the diode D1, is connected to the power input end of the voltage stabilizing circuit in the voltage stabilizing circuit, and the power output end of the voltage stabilizing circuit is connected to the power supply end of the core controller and/or the data acquisition device.
Furthermore, the solar photovoltaic panel is connected to the core controller through a voltage division circuit.
Preferably, the NB wireless communication unit is a BC95-B5 communication module.
Preferably, the data acquisition device comprises a 4-way osmometer, a 1-way tension instrument, a 4-way thermometer and a 1-way static water level;
the core controller is a single chip microcomputer.
Preferably, the upper computer is an application server.
The utility model discloses for prior art have following advantage and effect:
(1) the utility model discloses dam safety monitoring multi-parameter acquisition device, including host computer, core controller, data acquisition device and NB wireless communication unit; the data acquisition device comprises an osmometer, a tension wire instrument, a thermometer and a static level gauge; the osmotic pressure of the dam is detected through an osmometer, the horizontal displacement of the dam is detected through a tension instrument, the temperature of the dam is detected through a thermometer, and the vertical displacement of the dam is detected through a hydrostatic level; the core controller acquires information detected by the sensor devices in the data acquisition device and uploads the information to the upper computer through the NB wireless communication unit; the utility model discloses carry out the multi-parameter acquisition of dam based on above-mentioned structure to realize the safety monitoring of dam, have simple structure, advantage with low costs.
(2) The utility model discloses in dam safety monitoring multi-parameter collection system, the core control ware is connected to NB-IOT cloud platform through NB wireless communication unit, by NB-IOT cloud platform realization with the communication of host computer to the parameter information who gathers data acquisition device sends host computer for example application server, realizes the remote acquisition and the control of dam parameter, other user terminal for example mobile terminal, computer etc. visit the host computer and can acquire dam relevant parameter. The utility model discloses a used NB-IOT network belongs to low speed transmission technology, has the advantage of low power consumption, namely the battery can not be changed for 3 years under the real-time online condition of equipment; in addition, the utility model discloses use NB-IOT network to realize communication and make communication cost lower, when using NBNB-IOT network, need not to establish the net again, can directly deploy to 2G/3G/4G network; compared with the existing network gain of 20dB +, the high coverage can be realized; compared with a general infinite technology, the access number is increased by more than 50 times, and the method is suitable for wide-connection dam safety monitoring equipment, and can realize massive connection. Therefore, the utility model discloses based on the NB wireless communication unit that uses, can enough guarantee data transmission's stability, also practice thrift output transmission's energy consumption.
(3) The utility model discloses in dam safety monitoring multi-parameter acquisition device, data acquisition device is connected to power supply through power supply management unit, wherein, power supply management unit connects core control ware, by core control ware control power supply management unit's operating condition, based on above-mentioned structure, the utility model discloses can realize data acquisition device's power supply control, for example, when will controlling among the data acquisition device osmometer, the tensiometer, thermometer, the hydrostatic level one of them or several kinds of devices entering operating condition, can lead to core control osmometer, tensiometer, thermometer, the operating condition of the power supply management unit that the hydrostatic level is connected, based on the utility model discloses an above-mentioned structure, the flexible control of dam field data acquisition device can be realized to the host computer.
(4) In the multi-parameter collecting device for monitoring the dam safety, the utility model, a power supply for supplying power to the core controller and/or the data collecting device, a solar photovoltaic panel and a battery, wherein the solar photovoltaic panel is connected with the battery through a charging control circuit to charge the battery; the power supply is connected to the power supply end of the core controller and/or the data acquisition device through the voltage stabilizing circuit. In the utility model, the power supply can be provided by two modes of the solar photovoltaic panel and the lithium battery, and based on the structure of the utility model, the solar battery can directly support the work of the utility model while charging the battery; night, the utility model discloses provide power by the battery under the extremely low operation consumption state.
(5) The utility model discloses in dam safety monitoring multi-parameter collection system, the solar photovoltaic board is connected to the core control ware through bleeder circuit, the core control ware can real-time voltage that detects the output of solar photovoltaic board, when solar cell panel's output voltage is higher, can supply power for power supply circuit's voltage output port when charging for the battery through solar cell panel, and when solar cell panel's output voltage is lower, just supply power for power supply circuit's voltage output port through the battery, can effectually utilize solar cell electricity generation, energy-conservation has, the advantage of environmental protection.
Drawings
Fig. 1 is the utility model discloses dam safety monitoring multi-parameter acquisition device block diagram.
Fig. 2 is the utility model discloses data acquisition device structure schematic block diagram among dam safety monitoring multi-parameter collection system.
Fig. 3 is the circuit schematic diagram of the power supply in the dam safety monitoring multi-parameter acquisition device of the utility model.
Detailed Description
The present invention will be described in further detail with reference to the following examples and drawings, but the present invention is not limited thereto.
Examples
The embodiment discloses a dam safety monitoring multi-parameter acquisition device for acquiring parameters representing dam safety degree on a dam, and as shown in fig. 1, the dam safety monitoring multi-parameter acquisition device comprises an upper computer, a core controller, a data acquisition device and an NB wireless communication unit.
In this embodiment, the data acquisition device includes osmometer, tensiometer, thermometer and hydrostatic level. Wherein:
the osmometer is connected with the core controller and is used for detecting the osmotic pressure of the dam and sending the detected information to the core controller.
The bracing wire instrument is connected with the core controller and used for detecting the horizontal displacement of the dam and sending the detected information to the core controller.
The thermometer is connected with the core controller and used for detecting the temperature of the dam and sending the detected information to the core controller.
The hydrostatic level is connected with the core controller and used for detecting the vertical displacement of the dam and sending the detected information to the core controller.
In this embodiment, as shown in fig. 2, the data acquisition device is connected to the USART interface of the core controller through the 485 isolation module; osmometer, tensile wire appearance, thermometer and hydrostatic level in the data acquisition device pass through 485 bus connection to 485 isolation module. In this embodiment, the data acquisition device mainly includes 4 ways of osmometers, 1 way of tensiometer, 4 ways of thermometers and 1 way of hydrostatic level, and in addition, can reserve 2 ways of other types of data interfaces in the data acquisition device for the expanded use in the future.
In this embodiment, the core controller is connected with the NB-IOT cloud platform through the NB wireless communication unit, and communicates with the upper computer through the NB-IOT cloud platform.
In this embodiment, the NB wireless communication unit may use a BC95-B5 communication module, which is a high-performance and low-power-consumption narrowband internet of things wireless communication module, compatible with a mobile communication GSM/GPRS module, supporting a UDP/COAP protocol stack, and performing instruction control using a 3GPP Rel-13 and enhanced AT instruction, and has a very high sensitivity and a very wide operating temperature range, thereby well satisfying the low-power-consumption performance required for development. And the NB communication module transmits the dam safety monitoring data acquired from the core controller to the NB-IOT cloud platform through the NB-IOT network, and the NB-IOT cloud platform decodes the data and then pushes the decoded data to the application server.
In the embodiment, each sensing device in the data acquisition device is connected to a power supply through a power supply management unit; the power supply management unit is connected with the core controller, and the core controller controls the working state of the power supply management unit, so that the power supply condition of each device in the data acquisition device is controlled.
In this embodiment, the power supply management unit may be a relay; the IO port of the core controller is connected into an input loop of the relay and used for controlling the working state of the relay; the power end of each device of the data acquisition device is connected into the output loop of the relay, and is connected to the power supply through the output loop of the relay, and the power end of each device of the data acquisition device can be specifically as follows:
in an input loop of the relay, one end of a coil is connected to an IO port of a core controller, and the other end of the coil is grounded through a resistor, or one end of the coil is connected to the IO port of the core controller through a resistor, and the other end of the coil is grounded; the voltage end of each sensing device in the data acquisition device can be connected with the movable contact of the relay, and the normally open contact of the relay is connected with the power supply. When the input loop of the relay is obtained, the movable contact of the relay is contacted with the normally open contact, so that the power supply end of the sensing device in the data acquisition device is connected with the power supply, and the sensing device in the data acquisition device is electrified to enter a working state. Wherein each sensing device in the data acquisition device can be connected to a power supply through the same power supply management unit, and can also be connected to the power supply through the power supply management units respectively,
in this embodiment, the system further includes a power supply for supplying power to the core controller and/or the data acquisition device. As shown in fig. 1, the power supply comprises a solar photovoltaic panel and a battery, wherein the solar photovoltaic panel is connected with the battery through a charging controller to charge the battery; the power supply is connected to the power supply end of the core controller and/or the data acquisition device through the voltage stabilizing circuit. In the embodiment, the battery can be a 5000mA lithium battery, and the solar photovoltaic panel can be connected with the battery through a charging controller; the charge controller used in this embodiment is a charge controller dedicated to a lithium battery, and has a perfect intelligent charge management function, and can charge or protect the battery according to different states of the battery, and also has a floating charge function, and specifically, an LM2596 chip can be used. In addition, the solar photovoltaic panel can also directly output voltage with corresponding magnitude through the charging controller to serve as the voltage output of the power supply.
In the embodiment, the solar photovoltaic panel and the battery in the power supply can also be connected in the following way; as shown in fig. 3, the positive power supply of the solar photovoltaic panel bat1 is connected to the positive power supply of the battery bat2 through a diode D1, wherein the positive power supply of the solar photovoltaic panel is connected to the anode of a diode D1, the cathode of a diode D1 is connected to the positive power supply of the battery, and the negative power supply of the solar photovoltaic panel and the negative power supply of the battery are both grounded; the anode of the battery, namely the cathode of the diode D1, is connected to the power input end of the voltage stabilizing circuit in the voltage stabilizing circuit, and the power output end of the voltage stabilizing circuit is connected to the power supply end of the core controller and/or the data acquisition device.
In this embodiment, the solar photovoltaic panel is connected to the core controller through the voltage dividing circuit, so that the core controller can detect the output voltage of the solar photovoltaic panel in real time. In this embodiment, as shown in fig. 3, the voltage dividing circuit includes a resistor R1 and a resistor R2, the positive electrode of the power supply of the solar photovoltaic panel is grounded through a resistor R1 and a resistor R2 connected in series, and one end of the resistor R1 connected with the resistor R2 is connected to an IO port of the core controller. Based on this, when solar cell panel's output voltage is higher, can supply power for power supply circuit's voltage output port when solar cell panel charges for the battery, and when solar cell panel's output voltage was lower, just supply power for power supply circuit's voltage output port through the battery, can effectually utilize solar cell to generate electricity, had energy-conserving, the advantage of environmental protection.
In this embodiment, the core controller may use a single chip, for example, a single chip with model number MSP430F5438, the chip supports different serial port communications, has a low power consumption selection mode, and the Digitally Controlled Oscillator (DCO) thereof may be woken up from the low power mode to the active mode within 3.5 μ s (typical value), and when the system does not work, may select the sleep mode, reduce the power consumption of the system, and meet the acquisition requirements of the low power consumption dam safety monitoring multi-parameter wireless acquisition device.
In this embodiment, the upper computer may be an application server, and other user terminals, such as a mobile terminal, a computer, and the like, access the upper computer to obtain the dam related parameters, so that related personnel can remotely monitor the dam in real time.
The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.
Claims (10)
1. A dam safety monitoring multi-parameter acquisition device is characterized by comprising an upper computer, a core controller, a data acquisition device and an NB wireless communication unit;
the data acquisition device comprises an osmometer, a tension wire instrument, a thermometer and a static level gauge;
the osmometer is connected with the core controller and is used for detecting the osmotic water pressure of the dam and sending the detected information to the core controller;
the bracing wire instrument is connected with the core controller and used for detecting the horizontal displacement of the dam and sending the detected information to the core controller;
the thermometer is connected with the core controller and used for detecting the temperature of the dam and sending the detected information to the core controller;
the hydrostatic level is connected with the core controller and used for detecting the vertical displacement of the dam and sending the detected information to the core controller;
the core controller is connected with the NB-IOT cloud platform through the NB wireless communication unit and is communicated with the upper computer through the NB-IOT cloud platform.
2. The dam safety monitoring multiparameter acquisition device according to claim 1, wherein the data acquisition device is connected to a USART interface of the core controller through a 485 isolation module;
osmometer, tensile wire appearance, thermometer and hydrostatic level in the data acquisition device pass through 485 bus connection to 485 isolation module.
3. The dam safety monitoring multiparameter acquisition device according to claim 1, wherein the data acquisition device is connected to a power supply through a power supply management unit; the power supply management unit is connected with the core controller, and the working state of the power supply management unit is controlled through the core controller, so that the power supply condition of the data acquisition device is controlled.
4. The dam safety monitoring multiparameter acquisition device according to claim 3, wherein the power supply management unit is a relay;
the IO port of the core controller is connected into an input loop of the relay and used for controlling the working state of the relay;
the power supply end of the data acquisition device is connected into the output loop of the relay.
5. The dam safety monitoring multiparameter acquisition device according to claim 1, further comprising a power supply for supplying power to the core controller and/or the data acquisition device;
the power supply comprises a solar photovoltaic panel and a battery, wherein the solar photovoltaic panel is connected with the battery through a charging controller to charge the battery;
the power supply is connected to the power supply end of the core controller and/or the data acquisition device through the voltage stabilizing circuit.
6. The dam safety monitoring multiparameter acquisition device according to claim 1, further comprising a power supply for supplying power to the core controller and/or the data acquisition device;
the power supply comprises a solar photovoltaic panel and a battery, wherein the positive power supply electrode of the solar photovoltaic panel is connected to the positive power supply electrode of the battery through a diode D1, the positive power supply electrode of the solar photovoltaic panel is connected with the anode of a diode D1, the cathode of a diode D1 is connected with the positive power supply electrode of the battery, and the negative power supply electrode of the solar photovoltaic panel and the negative power supply electrode of the battery are both grounded; the anode of the battery, namely the cathode of the diode D1, is connected to the power input end of the voltage stabilizing circuit in the voltage stabilizing circuit, and the power output end of the voltage stabilizing circuit is connected to the power supply end of the core controller and/or the data acquisition device.
7. The dam safety monitoring multiparameter acquisition device according to claim 5 or 6, wherein the solar photovoltaic panel is connected to the core controller through a voltage division circuit.
8. The dam safety monitoring multi-parameter acquisition device according to claim 1, wherein the NB wireless communication unit is a BC95-B5 communication module.
9. The dam safety monitoring multiparameter acquisition device according to claim 1, wherein the data acquisition device comprises a 4-way osmometer, a 1-way tensiometer, a 4-way thermometer and a 1-way static level gauge;
the core controller is a single chip microcomputer.
10. The dam safety monitoring multi-parameter acquisition device according to claim 1, wherein the upper computer is an application server.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120130908.XU CN214279148U (en) | 2021-01-18 | 2021-01-18 | Multi-parameter acquisition device for dam safety monitoring |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120130908.XU CN214279148U (en) | 2021-01-18 | 2021-01-18 | Multi-parameter acquisition device for dam safety monitoring |
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| CN214279148U true CN214279148U (en) | 2021-09-24 |
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- 2021-01-18 CN CN202120130908.XU patent/CN214279148U/en active Active
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