CN107727819A - Self-powered multi-parameter water quality monitor based on NB IOT - Google Patents
Self-powered multi-parameter water quality monitor based on NB IOT Download PDFInfo
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- CN107727819A CN107727819A CN201711079835.0A CN201711079835A CN107727819A CN 107727819 A CN107727819 A CN 107727819A CN 201711079835 A CN201711079835 A CN 201711079835A CN 107727819 A CN107727819 A CN 107727819A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 155
- 238000001514 detection method Methods 0.000 claims abstract description 73
- 238000004891 communication Methods 0.000 claims abstract description 48
- 238000010248 power generation Methods 0.000 claims description 20
- 238000001228 spectrum Methods 0.000 claims description 12
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 claims description 10
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 10
- 229910052760 oxygen Inorganic materials 0.000 claims description 10
- 239000001301 oxygen Substances 0.000 claims description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 6
- 238000002835 absorbance Methods 0.000 claims description 5
- 238000007726 management method Methods 0.000 claims description 5
- 241000208340 Araliaceae Species 0.000 claims description 4
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 claims description 4
- 235000003140 Panax quinquefolius Nutrition 0.000 claims description 4
- 235000008434 ginseng Nutrition 0.000 claims description 4
- 238000010521 absorption reaction Methods 0.000 claims description 3
- 238000012546 transfer Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 2
- 238000012544 monitoring process Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 230000002618 waking effect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/18—Water
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- G—PHYSICS
- G01—MEASURING; TESTING
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- 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
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/06—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a liquid
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/18—Water
- G01N33/1853—Hardness of water
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Abstract
The present invention provides a kind of self-powered multi-parameter water quality monitor based on NB IOT, including main control chip, NB IOT communication modules, multi-parameter water quality detection module and self-power supply device for providing power supply, the main control chip is connected with the NB IOT communication modules and the multi-parameter water quality detection module respectively；The main control chip, the operational order output parameter detection instruction that the high in the clouds received according to the NB IOT communication modules is sent handles the water quality detection result that the multi-parameter water quality detection module returns and will be uploaded to high in the clouds by the NB IOT communication modules to the multi-parameter water quality detection module.
Description
Technical field
The present invention relates to a kind of water quality monitoring equipment, specifically, relate to a kind of self-powered based on NB-IOT and joins more
Number water quality monitor.
Background technology
Multi-parameter water quality monitor by match sensor realize and meanwhile monitor multiple a variety of different parameters values on-line, including
Temperature/PH/ conductances/dissolved oxygen/turbidity/sludge concentration/ammonia nitrogen concentration etc., its be mainly used in sewage plant, waterworks, water station,
The fields such as surface water, industry.Traditional multi-parameter water quality monitor needs to power using AC power, and the monitoring number gathered
Be uploaded to external device according to by using wired communication modes such as MODBUS, RS485, no civil power occasion or not side
Just the occasion connected up is difficult to use.
In order to solve the problem present on, people are seeking a kind of preferable technical solution always.
The content of the invention
The purpose of the present invention be in view of the shortcomings of the prior art, so as to provide a kind of design science, it is practical based on
NB-IOT self-powered multi-parameter water quality monitor.
To achieve these goals, the technical solution adopted in the present invention is：A kind of self-powered based on NB-IOT is joined more
Number water quality monitors, including main control chip, NB-IOT communication modules, multi-parameter water quality detection module and for providing power supply
Self-power supply device, the main control chip are connected with the NB-IOT communication modules and the multi-parameter water quality detection module respectively；
The data transfer that the NB-IOT communication modules are used between the main control chip and high in the clouds；
The main control chip, the operational order output parameter detection that the high in the clouds received according to the NB-IOT communication modules is sent refer to
Make and to the multi-parameter water quality detection module, handle the water quality detection result that the multi-parameter water quality detection module returns and will lead to
Cross the NB-IOT communication modules and be uploaded to high in the clouds；
The multi-parameter water quality detection module includes a wide spectrum detection unit, a variety of single water quality parameter sensors and sensor
Selecting module, the wide spectrum detection unit are connected with the main control chip, for the parameter sent according to the main control chip
Four colourity of detection command detection water body, turbidity, total organic carbon TOC and COD water quality parameters；The sensor choosing
Select module and connect the main control chip and a variety of single water quality parameter sensors respectively, the ginseng sent according to the main control chip
The corresponding single water quality parameter sensor of number detection instruction control carries out water quality detection.
Based on above-mentioned, a variety of single water quality parameter sensors include temperature sensor, pH value sensor, dissolved oxygen sensor,
Conductivity sensor, turbidity transducer, ammonia nitrogen sensor and water hardness sensor, the temperature sensor are used to measure water body
Temperature, the pH value sensor are used to measure the pH value in water body, and the dissolved oxygen sensor is used to measure the dissolving in water body
Oxygen rate, the conductivity sensor are used to measure the electrical conductivity in water body, and the turbidity transducer is used for the turbidity for measuring water body；
The ammonia nitrogen sensor is used to measure the ammonia nitrogen concentration in water body；The water hardness sensor is used to measure the water quality in water body
Hardness.
Based on above-mentioned, the wide spectrum detection unit include multispectral LED light source, the first collimation lens, it is interior fill it is to be measured
The detection cell of water body, the second collimation lens and photodetector, the photodetector include multiple photosensitive LED, the light more
Spectrum LED light source includes digital switch and is connected the narrow-band LED light source of multiple one-segments, the number with the digital switch respectively
Word switch is also connected with the self-power supply device, the multiple one-segments of parameter detecting order-driven sent according to the main control chip
Narrow-band LED light source sends multispectral LED light line；Multispectral LED light line is irradiated to the inspection by first collimation lens
Survey on the water body to be measured in pond, be irradiated to after water body to be measured absorption, then by second collimation lens on multiple photosensitive LED
To detect the absorbance of water sample to be measured in the detection cell；The main control chip is according to the light of water sample to be measured in the detection cell
Four colourity of trap acquisition water body, turbidity, total organic carbon TOC and COD water quality parameters.
Based on above-mentioned, water inlet and water outlet are also offered respectively parallel to the detection cell side wall of multispectral LED light line
Mouthful, the water inlet is connected with water inlet pipe, and the delivery port is connected with outlet pipe.
Based on above-mentioned, the self-power supply device includes vibrating power-generation unit, solar power generation unit, modulating unit, rectification
Circuit, battery and power management unit, the modulating unit is respectively by the vibrating power-generation unit and the solar power generation list
The alternating current of member generation is modulated into predeterminated voltage, and is charged simultaneously by the rectification circuit to the battery；The battery leads to
Cross the power management unit and be provided out power supply.
Based on above-mentioned, the main control chip is TI MSP430 family chips, and the sensor selecting module is 2
74HC4052 chips, the P0_2 pins of the MSP430 family chips and the UART1_RX pins of the NB-IOT communication modules connect
Connect, the P0_3 pins of the MSP430 family chips are connected with the UART1_TX pins of the NB-IOT communication modules, described
The P0_4 pins of MSP430 family chips are connected with the RST_NB pins of the NB-IOT communication modules, the MSP430 series core
The P0_5 pins of piece are connected with the RING pins of the NB-IOT communication modules, and the P0_7 pins of the MSP430 family chips connect
Meet reference voltage VREF；
The P1_2 pins of the MSP430 family chips are connected with the INH pins of a 74HC4052 chip, the MSP430 systems
The P1_3 pins of row chip are connected with the INH pins of another 74HC4052 chip, and the P1_4 of the MSP430 family chips draws
Pin connects the B pins of 2 74HC4052 chips respectively, and the P1_5 pins of the MSP430 family chips connect 2 respectively
The A pins of 74HC4052 chips, the X that the P1_6 pins of the MSP430 family chips connect 2 74HC4052 chips respectively draw
Pin, the P1_7 pins of the MSP430 family chips connect the Y pins of 2 74HC4052 chips respectively；2 74HC4052 chips
X0 pin-X2 pins, Y0 pin-Y2 pins form 6 pairs of Read-write Catrol pins altogether, control a variety of single water quality parameters sensings respectively
Device carries out water quality detection and uploads water quality detection result to the MSP430 family chips of the TI.
Based on above-mentioned, in addition to bluetooth-communication unit, the main control chip pass through the bluetooth-communication unit and extraneous hand
Hold terminal called.
Based on above-mentioned, in addition to Cao Zuoanjian for parameter configuration and for showing the self-powered multi-parameter water quality prison
Survey the display screen of instrument operational factor.
The present invention is compared with the prior art with prominent substantive distinguishing features and significantly progressive, and specifically, the present invention adopts
The multi-parameter water quality monitor is powered with the mode of vibrating power-generation or solar power generation, can also in no civil power
Water quality monitoring is carried out, expands the use range of the multi-parameter water quality detector；Entered using NB-IOT communication modules and the external world
Row communication, without wiring, penetration capacity is strong, and coverage distance is big, and can connect individual external device simultaneously, have design science,
The advantages of practical, low-power consumption, low cost.
Brief description of the drawings
Fig. 1 is the theory diagram of the present invention.
Fig. 2 is the theory diagram of self-power supply device of the present invention.
Fig. 3 is the theory diagram of wide spectrum detection unit of the present invention.
Fig. 4 is the circuit diagram of main control chip and sensor selecting module of the present invention.
Fig. 5 is the circuit diagram of bluetooth-communication unit of the present invention.
In figure：1. multispectral LED light source；2. the first collimation lens；3. detection cell；4. the first collimation lens；5. photoelectricity is visited
Survey device；6. water inlet pipe；7. outlet pipe.
Embodiment
Below by embodiment, technical scheme is described in further detail.
As depicted in figs. 1 and 2, a kind of self-powered multi-parameter water quality monitor based on NB-IOT, including main control chip,
NB-IOT communication modules, multi-parameter water quality detection module and the self-power supply device for providing power supply, the main control chip point
It is not connected with the NB-IOT communication modules and the multi-parameter water quality detection module.
The data transfer that the NB-IOT communication modules are used between the main control chip and high in the clouds.
The self-power supply device includes vibrating power-generation unit, solar power generation unit, modulating unit, rectification circuit, battery
And power management unit, the friendship that the modulating unit respectively generates the vibrating power-generation unit and the solar power generation unit
Electrical modulation is flowed into predeterminated voltage, and is charged simultaneously by the rectification circuit to the battery；The battery passes through the power supply
Administrative unit is provided out power supply.The alternating current of the vibrating power-generation unit output and the friendship of solar power generation unit output
After modulating action of the stream electricity by the modulating unit, it is changed into frequency, the amplitude alternating current consistent with phase, it is now described to shake
Dynamic generator unit and the solar power generation unit could charge to the battery simultaneously, this while to battery charging
Method can more keep the stability of voltage in the battery than single charging method.
Specifically, the operational order that the high in the clouds received is sent is sent to the master control core by the NB-IOT communication modules
Piece；The main control chip is according to the operational order output parameter detection instruction that the NB-IOT communication modules receive to more ginsengs
Number water quality detection module；The parameter detecting that the multi-parameter water quality monitoring modular is sent according to the main control chip is instructed into water-filling
Matter parameter detecting, and water quality monitoring result is returned into the main control chip；The main control chip handles the multi-parameter water quality
The water quality detection result of detection module return simultaneously will be uploaded to high in the clouds by the NB-IOT communication modules.
The multi-parameter water quality detection module includes a wide spectrum detection unit, a variety of single water quality parameter sensors and biography
Sensor selecting module, the wide spectrum detection unit are connected with the main control chip, for what is sent according to the main control chip
Four colourity of parameter detecting command detection water body, turbidity, total organic carbon TOC and COD water quality parameters；The sensing
Device selecting module connects the main control chip and a variety of single water quality parameter sensors respectively, is sent according to the main control chip
The corresponding single water quality parameter sensor of parameter detecting instruction control carry out water quality detection.
Specifically, as shown in figure 3, the wide spectrum detection unit include multispectral LED light source 1, the first collimation lens 2,
The detection cell 3, the second collimation lens 4 and photodetector 5 of water body to be measured are inside filled, the photodetector 5 includes multiple light
Quick LED, the multispectral LED light source include digital switch and are connected the narrow-band of multiple one-segments with the digital switch respectively
LED light source, the digital switch are also connected with the self-power supply device, and the parameter detecting sent according to the main control chip, which instructs, drives
The narrow-band LED light source for moving multiple one-segments sends multispectral LED light line；Multispectral LED light line passes through the described first collimation saturating 2
Mirror is irradiated on the water body to be measured in the detection cell 3, is irradiated after water body to be measured absorption, then by second collimation lens
To detect the absorbance of water sample to be measured in the detection cell on to multiple photosensitive LED；The main control chip is according to the detection
The absorbance of water sample to be measured obtains four colourity, turbidity, total organic carbon TOC and COD water quality ginsengs of water body in pond 3
Number.
Preferably, water inlet and water outlet are also offered respectively parallel to the side wall of the detection cell 3 of multispectral LED light line
Mouthful, the water inlet is connected with water inlet pipe 6, and the delivery port is connected with outlet pipe 7.Water body to be measured flows into from the water inlet pipe
The detection cell, and flowed out from the outlet pipe；The wide spectrum detection unit detects water to be measured in the detection cell in real time
The water quality parameter of body.
A variety of single water quality parameter sensors include temperature sensor, pH value sensor, dissolved oxygen sensor, conductance sensing
Device, turbidity transducer, ammonia nitrogen sensor and water hardness sensor, the temperature sensor are used for the temperature for measuring water body, institute
State pH value sensor to be used to measure the pH value in water body, the dissolved oxygen sensor is used to measure the dissolved oxygen rate in water body, institute
State conductivity sensor to be used to measure the electrical conductivity in water body, the turbidity transducer is used for the turbidity for measuring water body；The ammonia
Nitrogen sensor is used to measure the ammonia nitrogen concentration in water body；The water hardness sensor is used to measure the water hardness in water body.
Due to the present invention using vibration invention and solar power generation carry out self-powered, in order to ensure the present invention use when
It is long, the generation of powering-off state is avoided, the present invention is using TI MSP430 family chips as main control chip, MSP430 family chips
It is Texas Instruments（TI）16 super low-power consumptions of one kind for starting for 1996 to introduce to the market, there is reduced instruction set computer（RISC）'s
Mixed-signal processor（Mixed Signal Processor）.
Preferably, as shown in figure 4, the sensor selecting module is 2 74HC4052 chips, the MSP430 series core
The P0_2 pins of piece are connected with the UART1_RX pins of the NB-IOT communication modules, for receiving the MSP430 family chips
The parameter detecting instruction of transmission；The P0_3 pins of the MSP430 family chips and the UART1_TX of the NB-IOT communication modules
Pin connects, for water quality detection result to be uploaded into the MSP430 family chips；The P0_4 of the MSP430 family chips
Pin is connected with the RST_NB pins of the NB-IOT communication modules, for resetting the NB-IOT communication modules；It is described
The P0_5 pins of MSP430 family chips are connected with the RING pins of the NB-IOT communication modules, the MSP430 family chips
P0_7 pins connection reference voltage VREF；
The P1_2 pins of the MSP430 family chips are connected with the INH pins of a 74HC4052 chip, the MSP430 systems
The P1_3 pins of row chip are connected with the INH pins of another 74HC4052 chip, for waking up 74HC4052 chips；It is described
The P1_4 pins of MSP430 family chips connect the B pins of 2 74HC4052 chips respectively, the MSP430 family chips
P1_5 pins connect the A pins of 2 74HC4052 chips respectively, and the P1_6 pins of the MSP430 family chips connect 2 respectively
The X pins of individual 74HC4052 chips, the P1_7 pins of the MSP430 family chips connect the Y of 2 74HC4052 chips respectively
Pin；X0 pin-X2 pins, the Y0 pin-Y2 pins of 2 74HC4052 chips form 6 pairs of Read-write Catrol pins altogether, control respectively
A variety of single water quality parameter sensors are made to carry out water quality detection and upload water quality detection result to the MSP430 series cores of the TI
Piece.
The present invention is powered using solar power generation mode and vibrating power-generation mode to the multi-parameter water quality monitor,
Water quality monitoring can also be carried out in no civil power, expands the use range of the multi-parameter water quality detector；Using NB-
IOT communication modules and the external world are communicated, and without wiring, penetration capacity is strong, and coverage distance is big；Simultaneously using the master control of low-power consumption
Chip and the NB-IOT communication modules of low-power consumption can extend the use duration of the present invention；And the biography in multi-parameter sensor group
Sensor species is not limited only to above-mentioned several, can also increase corresponding sensor, such as barometric pressure sensor as needed, carry
The high scope of application of the multi-parameter water quality monitor, has the advantages of design science, practical, low-power consumption, low cost.
Based on above-mentioned, in addition to bluetooth-communication unit, the main control chip pass through the bluetooth-communication unit and extraneous hand
Hold terminal called.For example, the measure of gps coordinate is completed by being built-in with the hand-held debugger of GPS module, and by described
Bluetooth-communication unit is wirelessly input among the multi-parameter water quality monitor；Set by the bluetooth-communication unit described more
The IP address of parameter water quality monitor, MAC Address；It can also can also lead to when the NB-IOT communication modules break down
Cross the bluetooth-communication unit and directly obtain the detection data.
Specifically, as shown in figure 5, the bluetooth-communication unit includes RF_P pins, the RF_ of the MSP430 family chips
N pins, inductance L1, inductance L2, inductance L3 and inductance L4, the RF_P pins of the MSP430 family chips pass sequentially through electric capacity
C1, electric capacity C2, inductance L2 and inductance L3 connect antenna, and the electric capacity C1 and the electric capacity C2 common port are connect by inductance L1
Ground, the common port of the inductance L3 and inductance L4 are grounded by electric capacity C3；The electric capacity C2 and the inductance L2 common port lead to
Cross the RF_N pins that the inductance L4 connects the MSP430 family chips with electric capacity C5；The inductance L4's and electric capacity C5
Common port is grounded by electric capacity C6.
Specifically, the self-powered multi-parameter water quality detector also includes for the Cao Zuoanjian of parameter configuration and for showing
Show the display screen of the self-powered multi-parameter water quality monitor operational factor；Such as when increasing the value volume and range of product of sensor, need
Parameter configuration is carried out in the main control chip by the Cao Zuoanjian.
Finally it should be noted that:The above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof；To the greatest extent
The present invention is described in detail with reference to preferred embodiments for pipe, those of ordinary skills in the art should understand that：Still
The embodiment of the present invention can be modified or equivalent substitution is carried out to some technical characteristics；Without departing from this hair
The spirit of bright technical scheme, it all should cover among the claimed technical scheme scope of the present invention.
Claims (8)
- A kind of 1. self-powered multi-parameter water quality monitor based on NB-IOT, it is characterised in that：Lead to including main control chip, NB-IOT Believe module, multi-parameter water quality detection module and the self-power supply device for providing power supply, the main control chip respectively with it is described NB-IOT communication modules connect with the multi-parameter water quality detection module；The data transfer that the NB-IOT communication modules are used between the main control chip and high in the clouds；The main control chip, the operational order output parameter detection that the high in the clouds received according to the NB-IOT communication modules is sent refer to Make and to the multi-parameter water quality detection module, handle the water quality detection result that the multi-parameter water quality detection module returns and will lead to Cross the NB-IOT communication modules and be uploaded to high in the clouds；The multi-parameter water quality detection module includes a wide spectrum detection unit, a variety of single water quality parameter sensors and sensor Selecting module, the wide spectrum detection unit are connected with the main control chip, for the parameter sent according to the main control chip Four colourity of detection command detection water body, turbidity, total organic carbon TOC and COD water quality parameters；The sensor choosing Select module and connect the main control chip and a variety of single water quality parameter sensors respectively, the ginseng sent according to the main control chip The corresponding single water quality parameter sensor of number detection instruction control carries out water quality detection.
- 2. the self-powered multi-parameter water quality monitor according to claim 1 based on NB-IOT, it is characterised in that：A variety of lists Water quality parameter sensor includes temperature sensor, pH value sensor, dissolved oxygen sensor, conductivity sensor, turbidity transducer, ammonia Nitrogen sensor and water hardness sensor, the temperature sensor are used for the temperature for measuring water body, and the pH value sensor is used for The pH value in water body is measured, the dissolved oxygen sensor is used to measure the dissolved oxygen rate in water body, and the conductivity sensor is used for The electrical conductivity in water body is measured, the turbidity transducer is used for the turbidity for measuring water body；The ammonia nitrogen sensor is used to measure Ammonia nitrogen concentration in water body；The water hardness sensor is used to measure the water hardness in water body.
- 3. the self-powered multi-parameter water quality monitor according to claim 1 or 2 based on NB-IOT, it is characterised in that：Institute Stating wide spectrum detection unit includes multispectral LED light source, the first collimation lens, the interior detection cell for filling water body to be measured, the second standard Straight lens and photodetector, the photodetector include multiple photosensitive LED, and the multispectral LED light source is opened including numeral Close and be connected the narrow-band LED light sources of multiple one-segments with the digital switch respectively, the digital switch be also connected with it is described oneself Electric supply installation, the narrow-band LED light source of the multiple one-segments of parameter detecting order-driven sent according to the main control chip are sent Multispectral LED light line；Multispectral LED light line is irradiated to the water body to be measured in the detection cell by first collimation lens On, it is irradiated to after water body to be measured absorption, then by second collimation lens on multiple photosensitive LED to detect the detection cell In water sample to be measured absorbance；The main control chip obtains water body according to the absorbance of water sample to be measured in the detection cell Four colourity, turbidity, total organic carbon TOC and COD water quality parameters.
- 4. the self-powered multi-parameter water quality monitor according to claim 3 based on NB-IOT, it is characterised in that：Parallel to The detection cell side wall of multispectral LED light line also offers water inlet and delivery port respectively, and the water inlet is connected with into water Pipe, the delivery port are connected with outlet pipe.
- 5. the self-powered multi-parameter water quality monitor according to claim 4 based on NB-IOT, it is characterised in that：It is described from Electric supply installation includes vibrating power-generation unit, solar power generation unit, modulating unit, rectification circuit, battery and power management unit, The alternating current that the vibrating power-generation unit and the solar power generation unit generate is modulated into default by the modulating unit respectively Voltage, and charged simultaneously by the rectification circuit to the battery；The battery is outwards carried by the power management unit Power supply source.
- 6. the self-powered multi-parameter water quality monitor according to claim 5 based on NB-IOT, it is characterised in that：The master The MSP430 family chips that chip is TI are controlled, the sensor selecting module is 2 74HC4052 chips, the MSP430 series The P0_2 pins of chip are connected with the UART1_RX pins of the NB-IOT communication modules, the P0_3 of the MSP430 family chips Pin is connected with the UART1_TX pins of the NB-IOT communication modules, the P0_4 pins of the MSP430 family chips with it is described The RST_NB pins connection of NB-IOT communication modules, the P0_5 pins of the MSP430 family chips communicate mould with the NB-IOT The RING pins connection of block, the P0_7 pins connection reference voltage VREF of the MSP430 family chips；The P1_2 pins of the MSP430 family chips are connected with the INH pins of a 74HC4052 chip, the MSP430 systems The P1_3 pins of row chip are connected with the INH pins of another 74HC4052 chip, and the P1_4 of the MSP430 family chips draws Pin connects the B pins of 2 74HC4052 chips respectively, and the P1_5 pins of the MSP430 family chips connect 2 respectively The A pins of 74HC4052 chips, the X that the P1_6 pins of the MSP430 family chips connect 2 74HC4052 chips respectively draw Pin, the P1_7 pins of the MSP430 family chips connect the Y pins of 2 74HC4052 chips respectively；2 74HC4052 chips X0 pin-X2 pins, Y0 pin-Y2 pins form 6 pairs of Read-write Catrol pins altogether, control a variety of single water quality parameters sensings respectively Device carries out water quality detection and uploads water quality detection result to the MSP430 family chips of the TI.
- 7. the self-powered multi-parameter water quality monitor according to claim 6 based on NB-IOT, it is characterised in that：Also include Bluetooth-communication unit, the main control chip are communicated by the bluetooth-communication unit and extraneous handheld terminal.
- 8. the self-powered multi-parameter water quality monitor according to claim 7 based on NB-IOT, it is characterised in that：Also include Display screen for the Cao Zuoanjian of parameter configuration and for showing the self-powered multi-parameter water quality monitor operational factor.
Priority Applications (1)
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| CN115112662A (en) * | 2022-06-07 | 2022-09-27 | 成都理工大学 | Low-power consumption sewage node monitoring system |
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