CN213903504U - Multi-parameter water quality intelligent monitoring device - Google Patents
Multi-parameter water quality intelligent monitoring device Download PDFInfo
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- CN213903504U CN213903504U CN202023284094.XU CN202023284094U CN213903504U CN 213903504 U CN213903504 U CN 213903504U CN 202023284094 U CN202023284094 U CN 202023284094U CN 213903504 U CN213903504 U CN 213903504U
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Abstract
The utility model discloses a multi-parameter quality of water intelligent monitoring device, including the MCU unit, sensor signal conditioning circuit unit and direct current step-down power supply circuit unit, sensor signal conditioning circuit's signal input part is connected with a plurality of sensors, signal output part is connected with the MCU unit, DC12V input unit is connected to direct current step-down power supply circuit unit's power input end, direct current step-down power supply circuit unit's power output part connects sensor signal conditioning circuit unit and MCU unit respectively and supplies power. The utility model has the advantages that: the equipment integration level is high, adopts low-power consumption design and DC12V power supply mode, uses NBIoT wireless communication, possesses pH value, dissolved oxygen rate, conductivity, redox potential, the automatic real-time supervision of temperature and threshold value overrun alarm function, and the equipment directly docks thing networking management platform, helps managers to master quality of water state in real time and in time formulate the strategy of coping, guarantees the timeliness and the helping hand automated production of monitoring.
Description
Technical Field
The utility model belongs to the technical field of water quality monitoring's technique and specifically relates to a multi-parameter quality of water intelligent monitoring device.
Background
At present, in aquaculture, water quality monitoring and fish and vegetable symbiotic systems, detection is usually carried out by means of manual regular inspection or regular sampling, and the water quality condition cannot be timely and effectively known, so that economic loss is caused. In order to improve the detection timeliness, a large amount of manpower is required to be consumed for routing inspection, and resource waste is caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a multi-parameter quality of water intelligent monitoring device according to above-mentioned prior art is not enough, through setting up multiple sensor, to the PH value of water, dissolved oxygen rate, the conductivity, the redox potential, the temperature is measured, and sample its parameter by sensor signal conditioning circuit unit, the conversion, the retransmission calculates for 32 low-power consumption MCU units, report and transmit relevant data and alarm state in real time to the monitoring platform when detecting the communication interface of rethread NBIoT wireless module behind each parameter threshold value transfinites.
The utility model discloses the purpose is realized accomplishing by following technical scheme:
the utility model provides a multi-parameter quality of water intelligent monitoring device which characterized in that: the sensor signal conditioning circuit comprises an MCU unit, a sensor signal conditioning circuit unit and a direct current voltage reduction power supply circuit unit, wherein the signal input end of the sensor signal conditioning circuit is connected with a plurality of sensors, the signal output end of the sensor signal conditioning circuit is connected with the MCU unit, the power supply input end of the direct current voltage reduction power supply circuit unit is connected with a DC12V input unit, and the power supply output end of the direct current voltage reduction power supply circuit unit is respectively connected with the sensor signal conditioning circuit unit and the MCU unit for power supply; the MCU unit is also connected with a hardware RTC circuit unit, an OLED display circuit unit, a key setting circuit unit, an NBIoT wireless module unit and an RS485 communication circuit unit.
The MCU unit comprises a microcontroller, a reset circuit and a clock circuit, wherein the reset circuit and the clock circuit are respectively connected with the microcontroller.
The sensor signal conditioning circuit unit comprises an operational amplification circuit, a signal holding circuit and an analog-to-digital conversion circuit, wherein the signal holding circuit is respectively connected with the operational amplification circuit and the analog-to-digital conversion circuit, and the analog-to-digital conversion circuit is connected with the MCU unit.
The direct current voltage reduction power supply circuit unit comprises an EMC protection circuit, a reverse connection protection circuit, an LDO voltage chip and an energy storage filter capacitor, the EMC protection circuit and the LDO voltage chip are respectively connected with the reverse connection protection circuit, the energy storage filter capacitor is respectively connected with the LDO voltage chip, a sensor signal conditioning circuit and the MCU unit, and the direct current voltage reduction power supply circuit is powered by the DC12V input unit.
The hardware RTC circuit unit comprises an RTC chip and a crystal oscillator circuit, and the RTC chip is respectively connected with the crystal oscillator circuit and the MCU unit.
The OLED display circuit unit comprises an OLED screen and a driving circuit, and the driving circuit is respectively connected with the OLED screen and the MCU unit.
The key setting circuit unit comprises a light touch switch and a jitter elimination circuit, and the jitter elimination circuit is respectively connected with the light touch switch and the MCU unit.
The NBIoT wireless module unit comprises an NBIoT module, a power management control circuit and a communication interface, wherein the NBIoT module is connected with the MCU unit through the communication interface, and the power management control circuit is connected with the NBIoT module.
The RS485 communication circuit unit comprises a communication chip and a control circuit, and the control circuit is respectively connected with the communication chip and the MCU unit.
The sensor comprises a PH sensor, an oxygen dissolution rate sensor, a conductivity sensor, an oxidation-reduction potential sensor and a temperature sensor, wherein the PH sensor, the oxygen dissolution rate sensor, the conductivity sensor, the oxidation-reduction potential sensor and the temperature sensor are respectively connected with the sensor signal conditioning circuit unit.
The utility model has the advantages that: the equipment is high in integration level, adopts a low-power-consumption design and a DC12V power supply mode, uses NBIoT wireless communication, has the functions of automatic real-time monitoring of PH value, dissolved oxygen rate, conductivity, oxidation-reduction potential and water temperature and threshold value overrun alarm, is directly butted with an Internet of things management platform, assists managers to master water quality states in real time and make a coping strategy in time, and guarantees monitoring timeliness and power-assisted automatic production; the construction is newly built on site or the old-fashioned is simple and convenient, thereby greatly reducing the construction cost and reducing a large amount of manpower required by equipment installation and later inspection maintenance.
Drawings
Fig. 1 is the utility model discloses well multi-parameter quality of water intelligent monitoring device's work flow chart.
Detailed Description
The features of the present invention and other related features are described in further detail below by way of example in conjunction with the accompanying drawings to facilitate understanding by those skilled in the art:
as shown in FIG. 1, the reference numerals 1-14 in the figure are respectively 32-bit low-power consumption MCU unit 1, sensor signal conditioning circuit unit 2, DC voltage-reducing power supply circuit unit 3, hardware RTC circuit unit 4, OLED display circuit unit 5, key setting circuit unit 6, NBIoT wireless module unit 7, RS485 communication circuit unit 8, DC12V input unit 9, PH sensor 10, dissolved oxygen rate sensor 11, conductivity sensor 12, oxidation-reduction potential sensor 13, and temperature sensor 14.
Example (b): as shown in fig. 1, the present embodiment relates to a multi-parameter water quality intelligent monitoring device, which mainly includes a 32-bit low-power consumption MCU unit 1 and a sensor signal conditioning circuit unit 2 respectively connected to the 32-bit low-power consumption MCU unit 1, a DC voltage-reducing power supply circuit unit 3, a hardware RTC circuit unit 4, an OLED display circuit unit 5, a key setting circuit unit 6, an NBIoT wireless module unit 7, an RS485 communication circuit unit 8, the DC voltage-reducing power supply circuit unit 3 is respectively connected to the sensor signal conditioning circuit unit 2 and a DC12V input unit 9, and the sensor signal conditioning circuit unit 2 is connected to various sensors. The DC12V input unit 9 performs voltage reduction processing on current through the direct current voltage reduction power supply circuit unit 3, power is supplied to the 32-bit low-power consumption MCU unit 1 and the sensor signal conditioning circuit unit 2, the sensor measures and collects multiple parameters of water, the sensor signal conditioning circuit unit 2 samples and converts the parameters, the parameters are transmitted to the 32-bit low-power consumption MCU unit 1 for calculation, and when the threshold value of each parameter is detected to be out of limit, the parameters are reported to the monitoring platform in real time through the communication interface of the NBIoT wireless module unit 7, and relevant data and alarm states are transmitted, so that managers can be assisted to master water quality states in real time and make response strategies in time, and monitoring timeliness and power-assisted automatic production are guaranteed.
The direct-current voltage reduction power supply circuit 3 comprises an EMC protection circuit, a reverse connection protection circuit, an LDO voltage chip and an energy storage filter capacitor, the EMC protection circuit and the LDO voltage chip are respectively connected with the reverse connection protection circuit, the energy storage filter capacitor is respectively connected with the LDO voltage chip, a sensor signal conditioning circuit 2 and a 32-bit low-power consumption MCU unit 1, and the direct-current voltage reduction power supply circuit 3 is powered by a DC12V input unit 9. The EMC protection circuit realizes EMC protection and protects the internal circuit from normal work; the reverse connection protection circuit realizes the reverse connection protection of the power supply polarity; the LDO voltage chip and the energy storage filter capacitor realize voltage conversion and stable output, and supply power for system circuits such as the sensor signal conditioning circuit 2 and the 32-bit low-power consumption MCU unit 1.
The sensor signal conditioning circuit unit 2 is connected with a plurality of sensors, wherein the sensors comprise a PH sensor 10, a dissolved oxygen rate sensor 11, a conductivity sensor 12, an oxidation-reduction potential sensor 13 and a temperature sensor 14, and are respectively used for measuring the PH value, the dissolved oxygen rate, the conductivity, the oxidation-reduction potential and the temperature of water, so that the function of acquiring water quality parameters is realized. The sensor signal conditioning circuit unit 2 comprises an operational amplifier circuit, a signal holding circuit and an analog-to-digital conversion circuit, the signal holding circuit is respectively connected with the operational amplifier circuit and the analog-to-digital conversion circuit, the analog-to-digital conversion circuit is connected with the 32-bit low-power consumption MCU, and the sensor signal conditioning circuit unit 2 can sample and convert parameters collected by the sensor.
The 32-bit low-power consumption MCU unit 1 comprises a microcontroller, a reset circuit and a clock circuit, wherein the reset circuit and the clock circuit are respectively connected with the microcontroller, and the 32-bit low-power consumption MCU unit 1 can calculate parameters collected by the sensor signal conditioning circuit unit 2. The NBIoT wireless module unit 7 comprises an NBIoT module, a power management control circuit and a communication interface, wherein the NBIoT module is connected with the 32-bit low-power consumption MCU unit through the communication interface, the power management control circuit is connected with the NBIoT module, and when the parameter threshold value is detected to be out of limit, the NBIoT wireless module unit 7 reports and transmits related data and alarm states to the monitoring platform in real time through the communication interface.
The hardware RTC circuit unit 4 comprises an RTC chip and a crystal oscillator circuit, the RTC chip is respectively connected with the crystal oscillator circuit and the 32-bit low-power consumption MCU unit 1, and a date and time metering function is provided for the 32-bit low-power consumption MCU unit 1. The OLED display circuit unit 5 comprises an OLED screen and a driving circuit, the driving circuit is respectively connected with the OLED screen and the 32-bit low-power consumption MCU unit 1, and the OLED display circuit unit 5 and the 32-bit low-power consumption MCU unit 1 provide a local interface display function for a user together. The key setting circuit unit 6 comprises a touch switch and a jitter elimination circuit, the jitter elimination circuit is respectively connected with the touch switch and the 32-bit low-power consumption MCU unit 1, and the key setting circuit unit 6, the OLED display circuit unit 5 and the 32-bit low-power consumption MCU unit 1 provide a local parameter configuration function for a user together. The RS485 communication circuit unit 8 comprises a communication chip and a control circuit, and the control circuit is respectively connected with the communication chip and the 32-bit low-power consumption MCU unit 1 so as to realize the functions of system parameter configuration and local communication.
In summary, the multi-parameter intelligent water quality monitoring device in this embodiment is high in equipment integration level, adopts a low power consumption design and a DC12V power supply mode, uses NBIoT wireless communication, has functions of automatic real-time monitoring of PH value, dissolved oxygen rate, conductivity, oxidation-reduction potential and water temperature and threshold overrun alarm, and the equipment directly uploads data to an internet of things management platform, and assists managers to master water quality state in real time and make a response strategy in time by means of data analysis capability of the platform, so that monitoring timeliness and assistance automated production are guaranteed. The construction is newly built on site or the old-fashioned is simple and convenient, thereby greatly reducing the construction cost, reducing a large amount of manpower required by equipment installation and later inspection maintenance work, and being suitable for large-scale popularization and application in relevant water quality monitoring fields such as aquaculture, water quality monitoring, fish-vegetable symbiotic systems and the like.
Although the conception and the embodiments of the present invention have been described in detail with reference to the drawings, those skilled in the art will recognize that various changes and modifications can be made therein without departing from the scope of the appended claims, and therefore, the description thereof is not repeated herein.
Claims (10)
1. The utility model provides a multi-parameter quality of water intelligent monitoring device which characterized in that: the sensor signal conditioning circuit comprises an MCU unit, a sensor signal conditioning circuit unit and a direct current voltage reduction power supply circuit unit, wherein the signal input end of the sensor signal conditioning circuit is connected with a plurality of sensors, the signal output end of the sensor signal conditioning circuit is connected with the MCU unit, the power supply input end of the direct current voltage reduction power supply circuit unit is connected with a DC12V input unit, and the power supply output end of the direct current voltage reduction power supply circuit unit is respectively connected with the sensor signal conditioning circuit unit and the MCU unit for power supply; the MCU unit is also connected with a hardware RTC circuit unit, an OLED display circuit unit, a key setting circuit unit, an NBIoT wireless module unit and an RS485 communication circuit unit.
2. The intelligent multi-parameter water quality monitoring device as claimed in claim 1, wherein: the MCU unit comprises a microcontroller, a reset circuit and a clock circuit, wherein the reset circuit and the clock circuit are respectively connected with the microcontroller.
3. The intelligent multi-parameter water quality monitoring device as claimed in claim 2, wherein: the sensor signal conditioning circuit unit comprises an operational amplification circuit, a signal holding circuit and an analog-to-digital conversion circuit, wherein the signal holding circuit is respectively connected with the operational amplification circuit and the analog-to-digital conversion circuit, and the analog-to-digital conversion circuit is connected with the MCU unit.
4. The intelligent multi-parameter water quality monitoring device as claimed in claim 3, wherein: the direct current voltage reduction power supply circuit unit comprises an EMC protection circuit, a reverse connection protection circuit, an LDO voltage chip and an energy storage filter capacitor, the EMC protection circuit and the LDO voltage chip are respectively connected with the reverse connection protection circuit, the energy storage filter capacitor is respectively connected with the LDO voltage chip, a sensor signal conditioning circuit and the MCU unit, and the direct current voltage reduction power supply circuit is powered by the DC12V input unit.
5. The intelligent multi-parameter water quality monitoring device as claimed in claim 1, wherein: the hardware RTC circuit unit comprises an RTC chip and a crystal oscillator circuit, and the RTC chip is respectively connected with the crystal oscillator circuit and the MCU unit.
6. The intelligent multi-parameter water quality monitoring device as claimed in claim 1, wherein: the OLED display circuit unit comprises an OLED screen and a driving circuit, and the driving circuit is respectively connected with the OLED screen and the MCU unit.
7. The intelligent multi-parameter water quality monitoring device as claimed in claim 1, wherein: the key setting circuit unit comprises a light touch switch and a jitter elimination circuit, and the jitter elimination circuit is respectively connected with the light touch switch and the MCU unit.
8. The intelligent multi-parameter water quality monitoring device as claimed in claim 1, wherein: the NBIoT wireless module unit comprises an NBIoT module, a power management control circuit and a communication interface, wherein the NBIoT module is connected with the MCU unit through the communication interface, and the power management control circuit is connected with the NBIoT module.
9. The intelligent multi-parameter water quality monitoring device as claimed in claim 1, wherein: the RS485 communication circuit unit comprises a communication chip and a control circuit, and the control circuit is respectively connected with the communication chip and the MCU unit.
10. The intelligent multi-parameter water quality monitoring device as claimed in claim 1, wherein: the sensor comprises a PH sensor, an oxygen dissolution rate sensor, a conductivity sensor, an oxidation-reduction potential sensor and a temperature sensor, wherein the PH sensor, the oxygen dissolution rate sensor, the conductivity sensor, the oxidation-reduction potential sensor and the temperature sensor are respectively connected with the sensor signal conditioning circuit unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023284094.XU CN213903504U (en) | 2020-12-31 | 2020-12-31 | Multi-parameter water quality intelligent monitoring device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023284094.XU CN213903504U (en) | 2020-12-31 | 2020-12-31 | Multi-parameter water quality intelligent monitoring device |
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| Publication Number | Publication Date |
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| CN213903504U true CN213903504U (en) | 2021-08-06 |
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| CN202023284094.XU Active CN213903504U (en) | 2020-12-31 | 2020-12-31 | Multi-parameter water quality intelligent monitoring device |
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