CN117129042A - Water quality monitoring and water depth measuring system and monitoring method thereof - Google Patents
Water quality monitoring and water depth measuring system and monitoring method thereof Download PDFInfo
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- CN117129042A CN117129042A CN202311396374.5A CN202311396374A CN117129042A CN 117129042 A CN117129042 A CN 117129042A CN 202311396374 A CN202311396374 A CN 202311396374A CN 117129042 A CN117129042 A CN 117129042A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 113
- 238000012544 monitoring process Methods 0.000 title claims abstract description 61
- 238000000034 method Methods 0.000 title claims abstract description 39
- 238000001514 detection method Methods 0.000 claims abstract description 45
- 239000007788 liquid Substances 0.000 claims abstract description 15
- 238000005259 measurement Methods 0.000 claims abstract description 14
- 230000003287 optical effect Effects 0.000 claims abstract description 14
- 238000006243 chemical reaction Methods 0.000 claims abstract description 9
- 238000012545 processing Methods 0.000 claims description 34
- 230000008569 process Effects 0.000 claims description 22
- 230000002159 abnormal effect Effects 0.000 claims description 3
- 238000013500 data storage Methods 0.000 claims description 3
- 238000004891 communication Methods 0.000 abstract description 7
- 238000005065 mining Methods 0.000 abstract description 4
- 238000003745 diagnosis Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 6
- 239000003245 coal Substances 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000005272 metallurgy Methods 0.000 description 4
- 238000010248 power generation Methods 0.000 description 4
- 238000004092 self-diagnosis Methods 0.000 description 4
- 239000010865 sewage Substances 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
- G01F23/284—Electromagnetic waves
- G01F23/292—Light, e.g. infrared or ultraviolet
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/59—Transmissivity
Abstract
The invention relates to the technical field of communication and discloses a water quality monitoring and water depth measuring system and a monitoring method thereof, wherein the system comprises a visible light demarcation device module, the visible light demarcation device module is connected with a water depth detection module provided with a conversion unit through a cable, the output end of the water depth detection module is provided with a system control software unit through the conversion unit, and the output end of the system control software unit is provided with a database for storing and protecting system data. According to the water quality monitoring and water depth measuring system and the monitoring method thereof, through the attenuation judgment of the visible light communication signal intensity, the optical measurement principle is adopted, and the setting of the water depth detecting module is matched, so that the liquid level height and the silt height can be automatically detected, the turbidity degree of the water body of the mining pool can be monitored, the interface accurate diagnosis of a high turbidity scene is realized, and the problems of signal false alarm and unreliable interface detection of the traditional ultrasonic interface instrument are effectively avoided.
Description
Technical Field
The invention relates to the technical field of communication, in particular to a water quality monitoring and water depth measuring system and a monitoring method thereof.
Background
In the concentrated process scenes such as coal washing, metal factories, sewage treatment, metallurgy, petrochemical industry, power generation and filling stations and the like, the solid-liquid layered interface of the concentrated process scenes is required to be measured and analyzed, along with the development of the times, digitization is a trend, enterprise digitization, government affair digitization, industrial digitization and the like are irreversible development directions in the current times, meanwhile, in the process of digitization, the measurement and analysis of the solid-liquid layered interface are more and more focused on the public society, and at present, various methods are available for the measurement and analysis of the solid-liquid layered interface, including ultrasonic detection, laser detection and optical detection.
In the use and detection of the traditional ultrasonic interface instrument in a solid-liquid layered interface, the problems of false alarm of signals, unreliable interface detection and the like exist, and the error of detection results is caused, so that the requirements of the current concentration process scenes such as coal washing, metal factory selection, sewage treatment, metallurgy, petrochemical industry, power generation, filling stations and the like cannot be met.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a water quality monitoring and water depth measuring system and a monitoring method thereof, which have the advantages of self-diagnosis function, accurate measurement of liquid level and slurry interface height, realization of monitoring and automatic alarm of different process states, and the like, and solve the problems that the traditional ultrasonic interface instrument has false alarm of signals or unreliable interface detection in the use detection of a solid-liquid layered interface.
In order to realize the purposes of self-diagnosis, accurate measurement of liquid level and slurry interface height, and monitoring and automatic alarm of different process states, the invention provides the following technical scheme: the water quality monitoring and water depth measuring system comprises a visible light demarcation device module, wherein the visible light demarcation device module is connected with a water depth detection module provided with a conversion unit through a cable, the output end of the water depth detection module is provided with a system control software unit through the conversion unit, and the output end of the system control software unit is provided with a database for storing and safely protecting system data;
the visible light demarcation device module comprises a light driving and receiving unit, a gesture detection unit and a data processing circuit unit;
the lamplight driving and receiving unit is used for driving and sensing lamplight to monitor the turbidity degree of the water body through an optical measurement principle;
the gesture detection unit is used for detecting the gesture in real time when the visible light demarcation device module enters the water body;
the data processing circuit unit is used for processing the received data of the lamplight driving and receiving unit and the gesture detection unit.
Preferably, the lamplight driving and receiving unit comprises a driving control unit, an LED lamp, a visible light receiver unit and an optical signal processing circuit unit;
the driving control unit controls the on and off of the LED lamp circuit through PWM signals;
the visible light receiver unit consists of a visible light detector and a first bias voltage circuit;
the optical signal processing circuit unit consists of a first analog amplifying circuit, an analog filter circuit and a second bias voltage circuit.
Preferably, the circuit of the driving control unit is electrically connected with the LED lamp through a power line, and the LED lamp is connected with the circuit of the optical signal processing circuit unit.
Preferably, the gesture detection unit is composed of a nine-axis gyroscope chip circuit and a second analog amplifying circuit, and whether the gesture of the visible light demarcation device module is correct or not can be judged by calculating the gesture of the current visible light demarcation device module and transmitting the obtained data back to the data processing circuit unit for operation processing.
Preferably, the data processing circuit unit comprises an ADC circuit unit, a UART circuit unit, a PWM unit and a data processor unit;
the ADC circuit unit is used for processing and converting the data of the visible light receiver unit and transmitting the data to the data processor unit;
the UART circuit unit is used for transmitting the data detected by the gesture detection unit to the data processor unit;
the data processor unit is mainly used for processing the data of the ADC circuit unit and outputting corresponding functions or uploading information data;
and the PWM unit is used for transmitting the PWM signal output by the data processor unit to the drive control unit.
Preferably, the water depth detection module comprises a winch, a water inlet cable and an encoder unit;
the winch is used for controlling the descending speed of the visible light demarcation device module;
the water inlet cable can provide electric energy for the visible light demarcation device module and transmit data detected by the visible light demarcation device module to the system control software unit;
and the encoder unit is used for transmitting the acquired descending depth and water depth measurement data of the visible light demarcation device module to the system control software unit.
Preferably, the system control software unit comprises a receiving protocol and data unit for receiving various original information data from the visible light demarcation device module, a receiving data processing unit for demodulating the received original information data, an alarm unit for generating alarm sound when the visible light demarcation device module is in condition, and a display end.
Preferably, the system data storage of the database comprises system control data and system sensing acquisition data, and supports storage in any file format, and the system sensing acquisition comprises information logs related to acquisition time, times, working states and the like.
A monitoring method of a water quality monitoring and water depth measuring system comprises the following steps:
1) Before use, checking, namely firstly, a worker needs to turn on a system power supply to check whether the LED lamp works normally or not, and whether a system control software unit starts normally or not;
2) Monitoring water entering, then controlling a water entering cable to uniformly put the visible light demarcation device module into a water body to be detected through a winch, and paying attention to whether an alarm unit sounds an alarm or not at all in the process of uniformly putting the visible light demarcation device module into the water body;
3) Judging the condition, if an alarm exists, judging whether the alarm condition belongs to one condition type or a plurality of combination conditions in three conditions of bottoming of the visible light demarcation device module, abnormal gesture occurrence, bottoming of the visible light demarcation device module, and larger water quality grade jump occurrence in the falling process of the visible light demarcation device module through a system control software unit;
4) If no alarm exists, monitoring the turbidity degree, the liquid level height and the silt height in the water body normally through the light driving and receiving unit and the water depth detection module;
5) And checking the monitoring result, and after the monitoring is finished, recovering the visible light demarcation device module, checking the data cache point stored in the database after being processed by the system control software unit through the display end, so that the result of the water quality monitoring can be known.
Compared with the prior art, the invention provides a water quality monitoring and water depth measuring system and a monitoring method thereof, which have the following beneficial effects:
1. according to the water quality monitoring and water depth measuring system and the monitoring method thereof, the visible light demarcation device module is adopted, the attenuation of the visible light communication signal intensity is judged, the optical measurement principle is adopted, the water depth detecting module is matched, the liquid level height and the silt height can be automatically detected, the turbidity degree of the water body of the mining pool can be monitored, the monitoring accuracy is improved, the interface diagnosis of a high turbidity scene is realized, and the problems of signal false alarm, unreliable interface detection and the like of the traditional ultrasonic interface instrument are effectively avoided.
2. According to the water quality monitoring and water depth measuring system and the monitoring method thereof, through the arrangement of the gesture detection unit, gesture detection can be carried out when the visible light demarcation device module enters water for detection, so that the visible light demarcation device module has a self-diagnosis function, the state of underwater equipment is effectively known, the condition that the equipment gesture problem occurs due to the occurrence of monitoring errors is avoided, the liquid level and the slurry interface height can be accurately measured, the monitoring and automatic alarming of different process states are realized, feedback signals are provided for an upper computer system, the intelligent control of feeding and discharging of a concentration process is realized, and the system can be widely used in concentration process scenes such as coal washing, metal factories, sewage treatment, metallurgy, petrochemical industry, power generation and filling stations and the like.
Drawings
FIG. 1 is a schematic diagram of a water quality monitoring and water depth measuring system according to the present invention;
FIG. 2 is a schematic diagram of a light driving and receiving unit in a water quality monitoring and water depth measuring system according to the present invention;
FIG. 3 is a schematic diagram showing a circuit connection of a light driving and receiving unit part of a water quality monitoring and water depth measuring system according to the present invention;
FIG. 4 is a schematic diagram of a portion of a visible light demarcation device module in a water quality monitoring and water depth measuring system according to the present invention;
FIG. 5 is a schematic diagram of a water depth detection module in a water quality monitoring and water depth measuring system according to the present invention;
fig. 6 is a schematic diagram of a monitoring method of a water quality monitoring and water depth measuring system according to the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 5, the visible light demarcation device comprises a visible light demarcation device module, wherein the visible light demarcation device module is connected with a water depth detection module provided with a conversion unit through a cable, the conversion unit is arranged between a system control software unit and the tail end of an incoming cable and can be used for converting a serial communication protocol UART into RS485, the cable can be matched with a power carrier to form a wired transmission medium unit of data, the output end of the water depth detection module is provided with a system control software unit through the conversion unit, the application control running on a computer is realized through the system control software unit, the system control software unit comprises a receiving protocol and a data unit for receiving various original information data from the visible light demarcation device module, a receiving data processing unit for demodulating the received original information data, an alarm unit and a display end, wherein the alarm sound occurs when the visible light demarcation device module appears, and the display end is a display interface of the system and can view the processed data;
the output end of the system control software unit is provided with a database for storing and protecting the system data, the system data storage of the database comprises system control data and system sensing acquisition data, and supports storage in any file format, for example: txt, dos, xlsx, etc., while the system sensing acquisition contains information logs related to acquisition time, times, operating status, etc.;
the visible light demarcation device module comprises a light driving and receiving unit, an attitude detection unit and a data processing circuit unit, wherein the light driving and receiving unit is used for driving and sensing light to monitor the turbidity degree of the water body through an optical measurement principle, and the light driving and receiving unit comprises a driving control unit, an LED lamp, a visible light receiver unit and a light signal processing circuit unit; the driving control unit controls the on and off of the LED lamp circuit through PWM signals; the visible light receiver unit consists of a visible light detector and a first bias voltage circuit; the light signal processing circuit unit consists of a first analog amplifying circuit, an analog filter circuit and a second bias voltage circuit, the circuit of the drive control unit is electrically connected with the LED lamp through a power line, the LED lamp is connected with the circuit of the light signal processing circuit unit, the turbidity degree of the water body of the mining pool is monitored by adopting an optical measurement principle through the attenuation judgment of the visible light communication signal intensity, the interface diagnosis of a high turbidity scene is realized, and the problems of signal false alarm, unreliable interface detection and the like of the traditional ultrasonic interface instrument are effectively avoided;
the gesture detection unit is used for detecting the gesture in real time when the visible light demarcation device module enters the water body, and consists of a nine-axis gyroscope chip circuit and a second analog amplifying circuit, and the gesture detection unit can judge whether the gesture of the visible light demarcation device module is correct or not by calculating the gesture of the current visible light demarcation device module and transmitting the obtained data back to the data processing circuit unit for operation processing, so that the device has a self-diagnosis function, effectively knows the state of the underwater device and avoids the situation that the device gesture problem occurs due to the occurrence of monitoring errors;
the data processing circuit unit is used for processing the received data of the lamplight driving and receiving unit and the gesture detection unit and comprises an ADC circuit unit, a UART circuit unit, a PWM unit and a data processor unit; the ADC circuit unit is used for processing and converting the data of the visible light receiver unit and transmitting the data to the data processor unit; the UART circuit unit is used for transmitting the data detected by the gesture detection unit to the data processor unit; the data processor unit can use any one of MCU, SOC, FPGA to process and output corresponding functions or upload information data to the data of the ADC circuit unit; the PWM unit is used for transmitting PWM signals output by the data processor unit to the drive control unit so as to adjust the LED lamp through the drive control unit according to the received data of the gesture detection unit and the visible light receiver unit;
the water depth detection module comprises a winch, a water inlet cable and an encoder unit; the winch is used for controlling the descending speed of the visible light demarcation device module; the water inlet cable can provide electric energy for the visible light demarcation device module and transmit data detected by the visible light demarcation device module to the system control software unit; the encoder unit transmits the descending depth and water depth measurement data of the collected visible light demarcation device module to the system control software unit, can automatically detect the liquid level height and the mud height, can accurately measure the liquid level and the mud interface height, is matched with the visible light demarcation device module and the alarm unit to realize monitoring and automatic alarm of different process states, provides feedback signals for an upper computer system through the system control software unit, realizes intelligent control of feeding and discharging of a concentration process, and can be widely used in concentration process scenes such as coal washing, metal factories, sewage treatment, metallurgy, petrochemical industry, power generation, filling stations and the like;
referring to fig. 6, a monitoring method of a water quality monitoring and water depth measuring system specifically includes the following steps: 1) Before use, checking, namely firstly, a worker needs to turn on a system power supply to check whether the LED lamp works normally or not, and whether a system control software unit starts normally or not;
2) Monitoring water entering, then controlling a water entering cable to uniformly put the visible light demarcation device module into a water body to be detected through a winch, and paying attention to whether an alarm unit sounds an alarm or not at all in the process of uniformly putting the visible light demarcation device module into the water body;
3) Judging the situation, if an alarm exists, judging whether the alarm situation belongs to one or a combination of three situations, namely that the visible light demarcation device module does not touch the bottom, the gesture is abnormal, the visible light demarcation device module touches the bottom, and the water quality level jump is large in the falling process of the visible light demarcation device module, wherein the alarm situation is at least one situation;
4) If no alarm exists in the water monitoring, the light driving and receiving unit normally judges through the attenuation of the visible light communication signal intensity, the turbidity degree of the water body of the mining pool is monitored by adopting an optical measurement principle, and the liquid level height and the silt height are monitored by the water depth detection module;
5) After monitoring, the visible light demarcation device module is retracted by controlling the water inlet cable through the winch, and the data caching point stored in the database after being processed by the system control software unit is checked through the display end, so that the water quality monitoring result can be known.
The electrical components are all connected with an external main controller and 220V mains supply, and the main controller can be conventional known equipment for controlling a computer and the like.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A water quality monitoring and water depth measuring system is characterized in that: the system comprises a visible light demarcation device module, wherein the visible light demarcation device module is connected with a water depth detection module provided with a conversion unit through a cable, the output end of the water depth detection module is provided with a system control software unit through the conversion unit, and the output end of the system control software unit is provided with a database for storing and protecting system data;
the visible light demarcation device module comprises a light driving and receiving unit, a gesture detection unit and a data processing circuit unit;
the lamplight driving and receiving unit is used for driving and sensing lamplight to monitor the turbidity degree of the water body through an optical measurement principle;
the gesture detection unit is used for detecting the gesture in real time when the visible light demarcation device module enters the water body;
the data processing circuit unit is used for processing the received data of the lamplight driving and receiving unit and the gesture detection unit.
2. A water quality monitoring and water depth measuring system according to claim 1, wherein: the lamplight driving and receiving unit comprises a driving control unit, an LED lamp, a visible light receiver unit and an optical signal processing circuit unit;
the driving control unit controls the on and off of the LED lamp circuit through PWM signals;
the visible light receiver unit consists of a visible light detector and a first bias voltage circuit;
the optical signal processing circuit unit consists of a first analog amplifying circuit, an analog filter circuit and a second bias voltage circuit.
3. A water quality monitoring and water depth measuring system according to claim 2, wherein: the circuit of the drive control unit is electrically connected with the LED lamp through a power line, and the LED lamp is connected with the circuit of the optical signal processing circuit unit.
4. A water quality monitoring and water depth measuring system according to claim 1, wherein: the gesture detection unit consists of a nine-axis gyroscope chip circuit and a second analog amplifying circuit, and can judge whether the gesture of the visible light demarcation instrument module is correct or not by calculating the gesture of the current visible light demarcation instrument module and transmitting the obtained data back to the data processing circuit unit for operation processing.
5. A water quality monitoring and water depth measuring system according to claim 1, wherein: the data processing circuit unit comprises an ADC circuit unit, a UART circuit unit, a PWM unit and a data processor unit;
the ADC circuit unit is used for processing and converting the data of the visible light receiver unit and transmitting the data to the data processor unit;
the UART circuit unit is used for transmitting the data detected by the gesture detection unit to the data processor unit;
the data processor unit is mainly used for processing the data of the ADC circuit unit and outputting corresponding functions or uploading information data;
and the PWM unit is used for transmitting the PWM signal output by the data processor unit to the drive control unit.
6. A water quality monitoring and water depth measuring system according to claim 1, wherein: the water depth detection module comprises a winch, a water inlet cable and an encoder unit;
the winch is used for controlling the descending speed of the visible light demarcation device module;
the water inlet cable can provide electric energy for the visible light demarcation device module and transmit data detected by the visible light demarcation device module to the system control software unit;
and the encoder unit is used for transmitting the acquired descending depth and water depth measurement data of the visible light demarcation device module to the system control software unit.
7. A water quality monitoring and water depth measuring system according to claim 1, wherein: the system control software unit comprises a receiving protocol and data unit for receiving various original information data from the visible light demarcation device module, a receiving data processing unit for demodulating the received original information data, an alarm unit for generating alarm sound when the visible light demarcation device module is in condition, and a display end.
8. A water quality monitoring and water depth measuring system according to claim 1, wherein: the system data storage of the database comprises system control data and system sensing acquisition data, and supports storage in any file format, and the system sensing acquisition comprises related information logs of acquisition time, times, working state and the like.
9. A method of monitoring a water quality monitoring and water depth measuring system according to claims 1-8, comprising the steps of:
1) Before use, checking, namely firstly, a worker needs to turn on a system power supply to check whether the LED lamp works normally or not, and whether a system control software unit starts normally or not;
2) Monitoring water entering, then controlling a water entering cable to uniformly put the visible light demarcation device module into a water body to be detected through a winch, and paying attention to whether an alarm unit sounds an alarm or not at all in the process of uniformly putting the visible light demarcation device module into the water body;
3) Judging the condition, if an alarm exists, judging whether the alarm condition belongs to one condition type or a plurality of combination conditions in three conditions of bottoming of the visible light demarcation device module, abnormal gesture occurrence, bottoming of the visible light demarcation device module, and larger water quality grade jump occurrence in the falling process of the visible light demarcation device module through a system control software unit;
4) If no alarm exists, monitoring the turbidity degree, the liquid level height and the silt height in the water body normally through the light driving and receiving unit and the water depth detection module;
5) And checking the monitoring result, and after the monitoring is finished, recovering the visible light demarcation device module, checking the data cache point stored in the database after being processed by the system control software unit through the display end, so that the result of the water quality monitoring can be known.
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