CN108627627A - A kind of novel intelligent water quality detection instrument - Google Patents
A kind of novel intelligent water quality detection instrument Download PDFInfo
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- CN108627627A CN108627627A CN201810719557.9A CN201810719557A CN108627627A CN 108627627 A CN108627627 A CN 108627627A CN 201810719557 A CN201810719557 A CN 201810719557A CN 108627627 A CN108627627 A CN 108627627A
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Abstract
The invention discloses a kind of novel intelligent water quality detection instrument, including detection host, dissolved oxygen sensor, pH sensors and mobile terminal.Wherein, it includes shell to detect host, it is arranged at the top of housing forward end, detection storehouse for placing cuvette to be checked, power switch at housing side edge is set, charging interface in the rear end of shell is set, the detection indicator light being arranged on shell, detection button, power supply indicator, network indicator light, calibration knob, calibrate indicator light and charging indicator light, be fitted in the top surface edge of shell draws magnetic sheet, it is arranged at the dissolved oxygen sensor interface and PH sensor interface of the front end of shell, and respectively with power switch, charging interface, dissolved oxygen sensor interface, PH sensor interface, detect indicator light, detection button, power supply indicator, network indicator light, calibration knob, the detection mainboard that calibration indicator light is connected with charging indicator light.
Description
Technical field
The present invention relates to water quality detection equipment technical field, especially a kind of novel intelligent water quality detection instrument.
Background technology
Water quality testing meter is the instrument for analyzing water-quality constituents content, predominantly detects index and includes but not limited to：Ammonia
Nitrogen, nitrite, total alkalinity, total hardness, calcium ion, oxygen content etc..During with waste discharge, gives off some and jeopardize people
The heavy metal of body inherently safe usually uses traditional currently, pond water quality detection section staff needs to carry out assay
Method is to use atomic absorption spectrophotometry, although the method detection is accurate, testing cost and equipment operation maintenance expense
With height, it is not suitable for large-scale quickly detection, detection speed can be influenced.
The not integrated multi-parameter of the prior art detects in real time and Photoelectric Detection, cannot accomplish that a machine multi-parameter detects, and
Measurement accuracy is poor.It is not bound with smart mobile phone and carries out remote operation
Invention content
The purpose of the present invention is to provide a kind of novel intelligent water quality detection instrument, the technical solution adopted by the present invention is as follows：
A kind of novel intelligent water quality detection instrument, including：
Host, including shell are detected, is arranged at the top of housing forward end, the detection storehouse for placing cuvette to be checked, if
The power switch at housing side edge is set, the charging interface in the rear end of shell is set, the detection being arranged on shell refers to
Show lamp, detection button, power supply indicator, network indicator light, calibration knob, calibration indicator light and charging indicator light, is fitted in shell
The top surface edge of body draws magnetic sheet, is arranged at the dissolved oxygen sensor interface and PH sensor interface of the front end of shell, with
And respectively with power switch, charging interface, dissolved oxygen sensor interface, PH sensor interface, detection indicator light, detection button,
The detection mainboard that power supply indicator, network indicator light, calibration knob, calibration indicator light are connected with charging indicator light.
Dissolved oxygen sensor is connect with dissolved oxygen sensor interface, for detecting dissolved oxygen concentration in water quality to be detected.
PH sensors are connect with PH sensor interface, for detecting pH value in water quality to be detected.
Mobile terminal is fitted in and draws on magnetic sheet, the water quality index for obtaining detection mainboard detection, and is shown.
Further, the microcontroller for being equipped with STM32 series, the power supply of output and microcontroller are printed on the detection mainboard
Second power supply circuit of input terminal connection, the first power supply circuit of output and the input connection of the second power supply circuit, supplies with first
The third power supply circuit of the output connection of circuit, the bluetooth module for connecting with microcontroller and being connect with mobile terminal communication, with
Microcontroller connects, is used for transmission the Photoelectric Detection module interface circuit of the water quality index of detection, is connected to microcontroller and dissolved oxygen
Communication interface circuit between sensor interface, PH sensor interface is connect with microcontroller, for driving the calibration indicator light
The first driving circuit, connect with microcontroller, the third driving circuit for driving the power supply indicator, and and microcontroller
The second driving circuit of connection, driving for detecting indicator light.
Further, first power supply circuit include with TEMP pins, PROG pins, GND pin, Vcc pins,
The charging management chip U3 of CE pins, CHRG pins, STDBY pins and BAT pins, the resistance that one end is connect with charging interface
R1, the capacitance C1 and capacitance C2, one end and Charge Management that one end is connect with the other end of resistance R1 after parallel connection and the other end is grounded
The PROG pins of chip U3 connect and the resistance R6 of other end ground connection, one end connect with the BAT pins of charging management chip U3,
And the other end ground connection capacitance C7 and one end connect with the BAT pins with charging management chip U3 and the other end be grounded end
Mouth P6.
Further, second power supply circuit include with Vin pins, GND pin, EN pins, Vout pins and
The charging management chip U2 that NC pins and the Vin pins are connect with the BAT pins of charging management chip U3, is connected to charging
Capacitance C3 between the Vin pins and GND pin of managing chip U2, and be connected to the Vout pins of charging management chip U2 with
Capacitance C4 between NC pins.
Further, the third power supply circuit includes drawing with OUT pins, IN pins, GND pin, EN pins, NC
The charging management chip U4 that foot and PG pins and IN pins are connect with the BAT pins of charging management chip U3 is connected to after in parallel
Capacitance C11 between the IN pins and GND pin of charging management chip U4 and capacitance C8 is connected to charging management chip after in parallel
Capacitance C9 and capacitance C10 and one end and the EN pins of charging management chip U4 between the OUT pins and NC pins of U4 connect
Connect and the other end ground connection resistance R44.
Preferably, the communication interface circuit has RO pins, RE pins, DE pins, DI pins, VCC pin, A pins
The communication conversion chip U5 that RS485 communication lines are connect is used with B pins and with microcontroller, and is connected with communication conversion chip U5
It connects, for obtaining dissolved oxygen concentration in water quality to be detected through dissolved oxygen sensor interface and being waited for through the acquisition of PH sensor interface
The isolating transmitter U10 of pH value in the water quality of detection.
Further, first driving circuit includes the resistance R25 of the serial port PC2 connections of one end and microcontroller, base
Pole is connect with the other end of resistance R25, collector is connect with calibration indicator light and the triode Q4, Yi Jilian of emitter ground connection
The resistance R28 being connected between the base stage and emitter of triode Q4.
Further, second driving circuit includes the resistance R56 of the serial port PC0 connections of one end and microcontroller, base
Pole is connect with the other end of resistance R56, collector is connect with detection indicator light and the triode Q7, Yi Jilian of emitter ground connection
The resistance RR41 being connected between the base stage and emitter of triode Q7.
Further, the third driving circuit includes the resistance R57 of the serial port PA4 connections of one end and microcontroller, base
Pole is connect with the other end of resistance R57, collector and power supply indicator connect and the triode Q8, Yi Jilian of emitter ground connection
The resistance R58 being connected between the base stage and emitter of triode Q8.
Further, the Photoelectric Detection module interface circuit include one end with the Vout pins of charging management chip U2
Resistance R31, resistance R33 and the resistance R34 of connection, the diode D4 that output end is connect with the other end of resistance R31, one end and two
The resistance R60 of the input terminal connection of pole pipe D4, collector connect with the output end of diode D4, emitter and resistance R33 it is another
The electricity that the other end of the triode Q5 of one end connection, one end and resistance R34 connects and the other end is connect with the base stage of triode Q5
The resistance R35 of the emitter connection of the Q5 of resistance R32, one end and triode, base stage connect and emit with the other end of resistance R35
The triode Q6 that pole is connect with the Vout pins of charging management chip U2, and the resistance that is connect with the collector of triode Q6
R36。
Preferably, the bluetooth module includes the bluetooth communication chip U1 of model BLE100, with bluetooth communication chip U1
NReset pins connection resistance R4 and capacitance C5, the capacitance C10 and capacitance being connect with the VCC pin of bluetooth communication chip U1
C12, the resistance R14 and capacitance C15 being connect with the tRelud pins of bluetooth communication chip U1, with bluetooth communication chip U1's
Aber_LED connections, for the 4th driving circuit of the driving network indicator light, and the Wake with bluetooth communication chip U1
The resistance R5 and capacitance C6 of UP Key pins connection.
4th driving circuit includes the resistance R13 being connect with the Aber_LED of bluetooth communication chip U1 with one end, base
Pole is connect with the other end of resistance R13, collector and network indicator light (10) connect and the triode Q3 of emitter ground connection, with
And it is connected to the resistance R37 between the base stage and emitter of triode Q3.
Dexterously, the novel intelligent water quality detection instrument, further include be arranged housing bottom, for it is anti-skidding, support four
A supporting pad.
Further, the novel intelligent water quality detection instrument further includes the USB serial port circuits being connect with microcontroller；Institute
The USB serial port chip U7 that USB serial port circuits include model CH340G are stated, one end and the VCC of USB serial port chips U7 draw after parallel connection
Foot connects and the capacitance C16 and capacitance C17 of other end ground connection, is connected to the TXD pins and microcontroller of USB serial port chips U7
Resistance R23 between serial port PA10 is connected between the RXD pins of USB serial port chips U7 and the serial port PA9 of microcontroller
Resistance R24, the resistance R27 that one end is connect with the VD+ pins of USB serial port chips U7, one end and the VD- of USB serial port chips U7 draw
The resistance R30 of foot connection, the capacitance C19 that one end is connect with the XI pins of USB serial port chips U7 are connected to USB serial port chips U7
XI pins and XO pins between crystal oscillator Y1, one end is connect with the XO pins of USB serial port chips U7 and the other end and capacitance
The capacitance C20 of the other end connection of C19, input terminal is connected between capacitance C20 and capacitance C19 and output end is with resistance R27's
The diode D3 and input terminal of other end connection are connected between capacitance C20 and capacitance C19 and output end is with resistance R30's
The diode D2 of other end connection.
A kind of water quality detection system, using the novel intelligent water quality detection instrument to fishery cultivating, lotus rhizome plantation, life
Water quality detection is carried out with water reservoir, industrial wastewater place.
Compared with prior art, the invention has the advantages that：
The present invention is integrated with dissolved oxygen, temperature, the real-time detection of pH is provided simultaneously with ammonia using innovative spectral detection
Nitrogen, nitrite, total alkalinity, total hardness, the smart water quality detector of calcium ion detection.
The present invention includes detection host, dissolved oxygen sensor, pH sensors, reagent etc..Be on the market first item have it is more
The product of parameter detection and Photoelectric Detection in real time, has been truly realized machine multi-parameter detection, has been a simple operation, and it is accurate to measure
Product.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to the required attached drawing used in embodiment
It is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as to protection
The restriction of range to those skilled in the art without creative efforts, can also be attached according to these
Figure obtains other relevant attached drawings.
Fig. 1 is the front view of the present invention.
Fig. 2 is the right view of the present invention.
Fig. 3 is the upward view of the present invention.
Fig. 4 is the stereogram of the present invention.
Fig. 5 is the microcontroller elementary diagram of the present invention.
Fig. 6 is the first power supply circuit schematic diagram of the present invention.
Fig. 7 is the second power supply circuit schematic diagram of the present invention.
Fig. 8 is the third power supply circuit schematic diagram of the present invention.
Fig. 9 is the communication interface circuit schematic diagram of the present invention.
Figure 10 is the first driver circuit schematic diagram of the present invention.
Figure 11 is the third driver circuit schematic diagram of the present invention.
Figure 12 is the second driver circuit schematic diagram of the present invention.
Figure 13 is the temperature sensing circuit schematic diagram of the present invention.
Figure 14 is the USB serial port circuit schematic diagrams of the present invention.
Figure 15 is the Photoelectric Detection module interface circuit schematic diagram of the present invention.
Figure 16 is the circuit diagram of the bluetooth module of the present invention.
In above-mentioned attached drawing, the corresponding component names of reference numeral are as follows：
1- shells, 2- detect storehouse, 3- power switches, 4- charging interfaces, 6- detection indicator lights, 7- detection buttons, 8- power supplys
Indicator light, 9- draw magnetic sheet, 10- network indicator lights, 11- calibration knobs, 12- calibration indicator lights, 13- charging indicator lights, 14- supports
Pad, 51- dissolved oxygen sensor interfaces, 52-PH sensor interfaces.
Specific implementation mode
The invention will be further described with reference to the accompanying drawings and examples, and embodiments of the present invention include but not limited to
The following example.
Embodiment
As shown in Fig. 1 to Figure 16, a kind of novel intelligent water quality detection instrument is present embodiments provided, solution does not have in the prior art
There are integrated multi-parameter detection and Photoelectric Detection in real time, cannot accomplish that a machine multi-parameter detects, and measurement accuracy is poor.It is specific next
It says, which includes detection host, dissolved oxygen sensor, pH sensors and mobile terminal (mobile phone).Wherein, detection master
Machine includes again shell 1, is arranged in 1 front top of shell, the detection storehouse 2 for placing cuvette to be checked, is arranged in 1 side of shell
The charging interface 4 in the rear end of shell 1 is arranged in the power switch 3 at face edge, be arranged at detection indicator light 6 on shell 1,
Detection button 7, power supply indicator 8, network indicator light 10, calibration knob 11, calibration indicator light 12 and charging indicator light 13, fitting
Draw magnetic sheet 9 in the top surface edge of shell 1, is arranged at the dissolved oxygen sensor interface 51 and PH sensings of the front end of shell 1
Device interface 52 is indicated with power switch 3, charging interface 4, dissolved oxygen sensor interface 51, PH sensor interface 52, detection respectively
Lamp 6, detection button 7, power supply indicator 8, network indicator light 10, calibration knob 11, calibration indicator light 12 and charging indicator light 13
The detection mainboard of connection is arranged in 1 bottom of shell, for four supporting pads 14 of anti-skidding support.In addition, dissolved oxygen sensor
For detecting dissolved oxygen concentration in water quality to be detected and being connect with dissolved oxygen sensor interface 51.PH sensors are for detecting
It pH value and is connect with PH sensor interface 52 in water quality to be detected.In the present embodiment example, detection host is logical with mobile terminal
News connection, and be fitted in and draw on magnetic sheet 9, the water quality index for obtaining detection mainboard detection, and shown.The present embodiment
Suitable for occasions such as fishery cultivating, lotus rhizome plantation, domestic water reservoir and industrial wastewaters.
In this embodiment, it detects and the microcontroller that printing on the detection mainboard is equipped with STM32 series is installed on mainboard,
Export the second power supply circuit being connect with the power input of microcontroller, output and the first of the input connection of the second power supply circuit
Power supply circuit, the third power supply circuit with the output connection of the first power supply circuit, connect and and mobile terminal communication with microcontroller
The bluetooth module of connection connect with microcontroller, is used for transmission the Photoelectric Detection module interface circuit of the water quality index of detection, connection
Communication interface circuit between microcontroller and dissolved oxygen sensor interface 51, PH sensor interface 52, connect with microcontroller, uses
In the first driving circuit for driving the calibration indicator light 12, it is connect with microcontroller, for driving the power supply indicator 8
Three driving circuits, and connect with microcontroller, drive the second driving circuit for detecting indicator light 6.
The circuit modular structure and its connection relation that the present embodiment is related to is specifically described below：
In the present embodiment, first power supply circuit include with TEMP pins, PROG pins, GND pin, Vcc pins,
The charging management chip U3 of CE pins, CHRG pins, STDBY pins and BAT pins, the resistance that one end is connect with charging interface 4
R1, the capacitance C1 and capacitance C2, one end and Charge Management that one end is connect with the other end of resistance R1 after parallel connection and the other end is grounded
The PROG pins of chip U3 connect and the resistance R6 of other end ground connection, one end connect with the BAT pins of charging management chip U3,
And the other end ground connection capacitance C7 and one end connect with the BAT pins with charging management chip U3 and the other end be grounded end
Mouth P6.In addition, second power supply circuit include with Vin pins, GND pin, EN pins, Vout pins and NC pins and
The charging management chip U2 that the Vin pins are connect with the BAT pins of charging management chip U3, is connected to charging management chip U2
Vin pins and GND pin between capacitance C3, and be connected between the Vout pins of charging management chip U2 and NC pins
Capacitance C4.Moreover, the third power supply circuit includes drawing with OUT pins, IN pins, GND pin, EN pins, NC
The charging management chip U4 that foot and PG pins and IN pins are connect with the BAT pins of charging management chip U3 is connected to after in parallel
Capacitance C11 between the IN pins and GND pin of charging management chip U4 and capacitance C8 is connected to charging management chip after in parallel
Capacitance C9 and capacitance C10 and one end and the EN pins of charging management chip U4 between the OUT pins and NC pins of U4 connect
Connect and the other end ground connection resistance R44.
In order to ensure indicator light reliable in action, the first driving circuit in the present embodiment includes the serial of one end and microcontroller
The resistance R25 of mouth PC2 connections, base stage is connect with the other end of resistance R25, collector connect and emits with calibration indicator light 12
The triode Q4 of pole ground connection, and the resistance R28 that is connected between the base stage and emitter of triode Q4.In addition, dynamic circuit packet
Include the resistance R56 of the serial port PC0 connections of one end and microcontroller, base stage connect with the other end of resistance R56, collector and detection
Indicator light 6 connects and the triode Q7 of emitter ground connection, and the resistance being connected between the base stage and emitter of triode Q7
RR41.At the same time, which includes the resistance R57 of the serial port PA4 connections of one end and microcontroller, base stage and resistance
Other end connection, collector and the triode Q8 of power supply indicator (8) connection and emitter ground connection of R57, and it is connected to three
Resistance R58 between the base stage and emitter of pole pipe Q8.
Vital, in order to obtain mobile terminal communication connection, the present embodiment cleverly sets bluetooth module, the indigo plant
Tooth module includes the bluetooth communication chip U1 of model BLE100, the resistance being connect with the nReset pins of bluetooth communication chip U1
R4 and capacitance C5, the capacitance C10 and capacitance C12 being connect with the VCC pin of bluetooth communication chip U1, with bluetooth communication chip U1's
The resistance R14 and capacitance C15 of tRelud pins connection connect with the Aber_LED of bluetooth communication chip U1, are used for the driving
4th driving circuit of network indicator light (10), and the resistance that is connect with the Wake UP Key pins of bluetooth communication chip U1
R5 and capacitance C6.Wherein, the 4th driving circuit includes the resistance being connect with the Aber_LED of bluetooth communication chip U1 with one end
R13, base stage is connect with the other end of resistance R13, collector and network indicator light (10) connect and the triode of emitter ground connection
Q3, and the resistance R37 that is connected between the base stage and emitter of triode Q3.
In the present embodiment, by the way that Photoelectric Detection module interface circuit is arranged, referred to using the items in Photoelectric Detection water quality
Mark, the circuit are connect with the photoelectric sensor in detection storehouse, it should be noted that optoelectronic device sensor can be obtained by purchase
.Specifically, which includes that one end is connect with the Vout pins of charging management chip U2
Resistance R31, resistance R33 and resistance R34, the diode D4 that output end is connect with the other end of resistance R31, one end and diode D4
Input terminal connection resistance R60, collector connect with the output end of diode D4, the other end company of emitter and resistance R33
The resistance R32 that the other end of the triode Q5 connect, one end and resistance R34 connects and the other end is connect with the base stage of triode Q5,
The Q5 of one end and triode emitter connection resistance R35, base stage connect with the other end of resistance R35 and emitter with fill
The triode Q6 of the Vout pins connection of electric managing chip U2, and the resistance R36 that is connect with the collector of triode Q6.
In addition, the structure and connection relation of communication interface circuit and USB serial port circuits is also disclosed in the present embodiment, it is specific next
Say, the communication interface circuit have RO pins, RE pins, DE pins, DI pins, VCC pin, A pins and B pins and with list
Piece machine uses the communication conversion chip U5 of RS485 communication lines connection, and is connect with communication conversion chip U5, for through dissolved oxygen
Sensor interface 51 obtains dissolved oxygen concentration in water quality to be detected and is obtained in water quality to be detected through PH sensor interface 52
The isolating transmitter U10 of pH value.Wherein, USB serial port circuits include the USB serial port chip U7 of model CH340G again, after in parallel
One end is connect with the VCC pin of USB serial port chips U7 and the capacitance C16 and capacitance C17 of other end ground connection, is connected to USB serial ports
Resistance R23 between the TXD pins of chip U7 and the serial port PA10 of microcontroller is connected to the RXD pins of USB serial port chips U7
Resistance R24 between the serial port PA9 of microcontroller, the resistance R27 that one end is connect with the VD+ pins of USB serial port chips U7, one
Hold the resistance R30 being connect with the VD- pins of USB serial port chips U7, the capacitance that one end is connect with the XI pins of USB serial port chips U7
C19, the crystal oscillator Y1 being connected between the XI pins and XO pins of USB serial port chips U7, one end and the XO of USB serial port chips U7 draw
Foot connects and the capacitance C20 that is connect with the other end of capacitance C19 of the other end, input terminal be connected to capacitance C20 and capacitance C19 it
Between and the diode D3 that is connect with the other end of resistance R27 of output end and input terminal be connected to capacitance C20 and capacitance C19 it
Between and the diode D2 that is connect with the other end of resistance R30 of output end.
For below using mobile phone as mobile terminal, briefly explain the instrument operates with process：
The use of cell phone application
(1) it pastes and draws magnetic sheet
First mobile phone back side middle position is attached to by mobile phone back side wiped clean, then by notacoria with paper handkerchief；Then it will draw magnetic sheet
It removes, tears protective film, be pasted onto mobile phone notacoria and stick face.
(2) download and installation of APP
It downloads and installs in official《Wisdom fishery》Afterwards, mobile phone open《Wisdom fishery》System, mobile phone prompts in installation process
When mandate, all selections allow and trust, and otherwise can cause partial function that can not use.Apple system can be in apple application shop
Search《Modern Fishery》, download installation.
(3) account is registered, logs in and forget Password
(3.1) it registers
It opens【Wisdom fishery】APP, into following interface；It clicks and logs in lower left【Registration】Button, can be into after click
Enter interface；In this interface input handset number, password and click【Obtain identifying code】, insert the identifying code received and click registration i.e.
It can complete to register, the interfaces APP Xun Tang can be automatically logged into after the completion of registration.
(3.2) it logs in
It opens【Wisdom fishery】APP, into interface；In this interface input handset number, password, login button, account are clicked
Password can correctly enter the interfaces APP Xun Tang, and mistake can then pop up miscue, please be operated by prompt.
(3.3) it forgets Password
It opens【Wisdom fishery】APP is clicked if forgetting Password and is logged in lower right【It forgets Password】Button, meeting after click
Into following interface；In this interface input handset number, password and acquisition identifying code is clicked, the identifying code received is inserted and clicks
【It determines】Afterwards, it checks prompt message, login interface login please be successfully entered using new password, failure is then operated by prompt.
(4) pool is patrolled
(4.1) pond is added
APP is logged into, is clicked【Add pond】Button (if having possessed pond, please click the button in the upper right corner【+】.
(4.2) pool is patrolled in addition
Pond is clicked in interface, is jumped to interface such as figure below left side, can be clicked blue font in interface【Remove Xun Tang】Or
The button at the rears water quality Xun Tang【+】, redirect into interface.
It clicks【It determines】Bluetooth is opened, is clicked below screen【Connect bluetooth】Button, APP meetings automatically retrieval are attachable
Bluetooth equipment, finds the detector that needs connect and click, equipment bluetooth title are generally P100-XXXXX.After successful connection,
There are equipment electricity and blue below screen【It disconnects】Button.
Want to detect certain item data using detector, testing data button please be click, illustrates：Detect nitrite data
And pH；It clicks【Nitrite】Button detects the data of nitrite, clicks below screen【Preserve data】, APP prompts
It preserves successfully, and redirects interface, there is the data of the nitrite just preserved below nitrite button at this time.
When measuring dissolved oxygen and pH, need dissolved oxygen sensor or pH sensors being connected to detection
Host
In the Aviation Connector of host front end, alignment notch tightens nut after insertion, two connectors do not differentiate between dissolved oxygen and
PH interfaces, when connection, can arbitrarily connect.It clicks【PH】Button is such as schemed, and the data of pH are detected, and is clicked below screen
【Preserve data】, APP prompts preserve successfully, and jump to following interface, there is the number of the pH just preserved below pH buttons at this time
According to.
With reference to pick up calibration and salinity setting, the invention will be further described.
(5) pick up calibration and salinity setting
(5.1) dissolved oxygen calibration and salinity setting
Dissolved oxygen calibration must carry out in the dry space in cool place, first by the soft paper in dissolved oxygen probe film head point
Towel is dried, and is disposed vertically 15 minutes in air, is read on mobile phone and no longer beat.Click temperature, dissolved oxygen, the columns pH location
Upper right side is clicked in domain【…】Button will pop up a window, such as scheme；It clicks【Calibration】, then click【It is saturated dissolved oxygen】Button,
Prompting frame prompt is had when calibrating successfully, if calibration failure, needs to recalibrate.It is recommended that dissolved oxygen calibration is primary before test daily,
It is compareed with the saturated dissolved oxygen table of comparisons in air after the completion of calibration, error is within ± 0.2.If sensor is provided with
Salt angle value, needs and the table of comparisons with salinity is compareed.
It clicks【Salinity is arranged】, interface is jumped to as schemed, and is inputted salt angle value, is clicked【It preserves】Button, salinity preserve successfully,
It is again introduced into the salt angle value that can be shown and be arranged originally (salt angle value can be arranged in the salt-free angle value of PH probes, only dissolved oxygen probe).
(5.2) pH is calibrated
PH calibrations are first calibrated since pH7, and pH probes are put into the standard liquid of pH7, are stood after ten minutes, are clicked【Calibration】
Button redirects interface as schemed, clicks【pH7】Button, meeting pop-up window are clicked as schemed【It determines】Button, PH7 calibrations execute, school
Display is as schemed after quasi- success, and pH value is 6.99 (this data is in error range, normal) on this figure, and error will control after pH calibrations
Within ± 0.1.Probe is taken out, is put into the standard liquid of pH10 by the calibration for carrying out pH10 again, stands 10 minutes, is repeated above-mentioned
Operation is clicked【pH10】Calibration is clicked【It determines】, prompt is had after calibrating successfully, if unsuccessfully repeating to operate again one time.PH is calibrated
The calibration of one season is primary.
With reference to the detection of water quality index, the invention will be further described.
Two, the detection of water quality index
(1) measurement range and reagent titrate explanation
With reference to detection operation notice, the invention will be further described.
(1) water sampling：
Each pond water sample suggests carrying out centralized detecting indoors after taking；
Each pond water sample has been used as the dedicated water sample bottle sampling of label, avoids cross contamination, influences accuracy；
If pond water is excessively muddy, need first to carry out processing reduction turbidity to pond water, then measure the finger that need to use indicator
Mark, dissolved oxygen and pH detections are unaffected；
If pond water algae concentration is excessive, visible strong green is estimated in water sample bottle, needs used filter-cloth filtering water sample, is reduced
Amount of algae in water, then filtered water sample is detected；
If just changing products product such as sodium humate etc. using the high drug such as organic acid of acid-base value or saturate water, two need to be spaced
Hour surveys water again, avoids to indicator interference effect accuracy；
When each pond water sampling, detector is first placed on bait throwing in chassis lid or a fixed position on the bank, dissolved oxygen
Probe and pH probes are put at the depth of water of pond plan detection, and it is 50cm to recommend the detection depth of water, then patrols point on the page of the pool in mobile phone
After corresponding Testing index, so that it may to start to take the water sample in the pond, after taking water sample, put the preservation of dissolved oxygen data on mobile phone
Key, you can obtain dissolved oxygen, water temperature and the pH value in water (when test dissolved oxygen, it is proposed that read for 1 minute or so after water of popping one's head in, such as
Fruit standing time is long, can consume neighbouring oxygen of popping one's head in water, cause to read relatively low.If standing time is long, it is proposed that
It is read after 40 seconds after probe is moved to 30cm nearby)；Next pond water sampling can be removed after having operated；
Probe membrane head belongs to frangible portion, forbids colliding with and be scraped using hard object, into the water when be careful not to encounter pond
Hard object and bottom of pond in the pool；
If extracting or being inserted into probe from host, host need to be first closed, then operated, extract or open master again after being inserted into
Machine uses；If operating under open state, easily host is caused to damage；
Dissolved oxygen probe dries blooming head cap after film head after use daily, is disposed vertically on the securing means, still keep with
Host is connected；Second angel's used time first removed film head cap, and probe remains stationary as after five minutes, and upper right corner dissolved oxygen school is put on mobile phone
Quasi- key is calibrated, to improve the accuracy of detection；Same day other times cannot do calibration operation again, when preventing because being disposed vertically
Between deficiency cause calibration slip up；
PH probes need to cover protective cap after use, if fluid loss inside cap, is twisted again after being packed into a small amount of clear water
On probe.PH probes suggest being calibrated with titer in each season it is primary, or it is apparent calibrated with titer when there is deviation, will
PH probes are put into titer and the calibration command of overdue pH, it is necessary to be recalibrated immediately with titer；
Dissolved oxygen and pH suggest respectively surveying primary when daily 7-8 points and 15-17 points and preserve, and obtain the same day highest and lowest value,
Convenient for pinpointing the problems；If other times also detect dissolved oxygen and pH, do not have to preserve in mobile phone.
(2) it calibrates：
Calibration refers to the calibration operation on detection mainframe host computer panel, belongs to the calibration of optical-electric module, is to measure ammonia nitrogen, nitrous
Hydrochlorate, total alkalinity, total hardness, the calibration operation before calcium ion detection.It is not dissolved oxygen sensor and the calibration of pH.
When each pond water sample detection, first calibrated, to reduce error, when continuously detecting the pond indices, often
It only calibrates once in a pond；If the detection of other pond water samples has been done in centre, it is necessary to recalibrate；
Cuvette first is rinsed with water sample to be measured when calibration, then takes 4ml water samples to be put into cuvette with sampler,
Four wall of cuvette (test surfaces of cuvette cannot have cut, fog etc.) is dried with napkin paper later, is put into detection
Storehouse, by upper left corner aligning key, key indicator light to be calibrated just can be taken off cuvette after extinguishing, and calibration is completed.
(3) detection ordering：
After the completion of calibration, you can be detected；
For same pond water sample, after being first separately added into water sample 4ml to each glass tube to be measured with sampler,
The sub-salt indicator is illustratively titrated in first glass tube first and is uniformly mixed, then in second glass tube
Ammonia nitrogen indicator is titrated, is calcium ion, total alkalinity, total hardness, each index water sample to be measured later
It has titrated indicator and has stood after mixing；
When detection and the sequence of titrate indicator is on the contrary, according to total alkalinity, the sequence of total hardness, calcium ion, ammonia nitrogen, The sub-salt
It is detected, total hardness is detected again after total alkalinity detection, and so on, to ensure the sufficient developing time of each indicator；
Reagent uses：
Ammonia nitrogen, low The sub-salt, " 1 " and " 2 " all each 2 drop of drop of high The sub-salt；Calcium ion, total alkalinity,
" 1 " and " 2 " of total hardness respectively takes 300ul with 1ml samplers, is uniformly mixed.
With reference to detection method, the invention will be further described.
(1) detection method：
It checks whether detection key indicator light is lighted when detecting for the first time, such as lights, then represent and be in detecting state,
It can continue to detect, if intermediate extinguish, detection key can be pressed again, indicator light is allowed to be in illuminating state；Survey each index
When, corresponding index on mobile phone is first put, that is, enters the page of the index, the water sample of indicator then will have been added to be put into detection storehouse,
Detection storehouse cap is covered, pending data can put preservation after stablizing, just complete the detection of the index；
It is then placed in the water sample of another index, corresponding index on mobile phone is put and is sequentially completed detection by identical operation；
Cuvette pays attention to being inserted into bottom, avoids influencing detection result when being inserted into detection storehouse.
(2) cuvette operation requires：
When being measured, it is ensured that cuvette is clean, can first use pure water or tap water to rinse 1-2 times, drying
It is spare；
When being measured, the front oriented manipulation personnel of cuvette mark with the arrow are kept, if replacing ratio in detection process
Color ware must be calibrated immediately；
When being measured, if there is bubble in cuvette, it need to shake and be measured again after bubble collapse slightly；
When being measured, if there is water to bring detection storehouse on cuvette wall, it may appear that data persistent anomaly is beated, and need to be used immediately
Cuvette wall and detection storehouse wiped clean are avoided host short-circuit by paper handkerchief；If forgetting to take out the colorimetric with water sample after detection
Ware need to immediately be wiped cuvette wall and detection storehouse with paper handkerchief once mobile host, is easy to that water sample is caused to enter detection storehouse
Only, avoid host short-circuit；
Test solution is outwelled after testing immediately, next measurement is carried out after drying；Whole water sample detections finish available clear water punching
After washing, drying is spare；If it was found that cuvette has slight stain, rinsed after being impregnated with alcohol or cleaning solution, cannot use tool or
Finger is cleaned in cuvette inside and outside wall；Or cuvette is finished and is impregnated with clear water rear every night, dries later spare.
(3) reagent titrates points for attention：
Down vertical 90 ° vertically of titration bottle, appropriate extrusion bottle when titration allow liquid to be in uniformly that a point drop-wise is dripped, titrate
Shi Buneng is too fast；1~2 drop is first oozed before titration and excludes air, then is dripped, to ensure the volume of the indicator titrated out every time
Unanimously；
It drips if finding that it does not squeeze liquid when titration calcium -2, hardness -2, please first drop bottle drips vertically automatically just
Go out 1~2 drop (abandoning) after when liquid drip speed it is slower when may be used for test titrate；
When titration discovery is off color often or data are very abnormal, mainly cuvette does not have to titrate behaviour when clean or titration
There is mistake in work, need to clean cuvette and titrate again later；
The pipette tips of 1ml for quantitative calcium ion 1, calcium ion 2, total alkalinity 1, total alkalinity 2, total hardness 1, total hardness 26
A indicator is used, each indicator uses a fixed pipette tips, must not use with, in sampling it is noted that pipette tips are opposite with reagent
It answers, prevents reagent contaminated.
(4) sampler operates：
The ml that display is first checked before liquid-transfering gun water sampling, is not inconsistent standardization such as, and the button of rotary top is transferred to standard
Quantity；When paying attention to the bound numerical value for reaching mark when rotating button cannot rotating Vortex again, must reversely rotate immediately, it is anti-to stop loss
Bad button；
Liquid-transfering gun ceiling button is first pinned when water sampling, and liquid transfer gun head is put into water sample bottle in water sample and is slowly loosed one's grip again,
It prevents from being loosed one's grip in advance into air；
Pressing ceiling button can release water sample；
Forbid liquid in ozzle being inverted and flow into liquid-transfering gun, lower sub-sampling reagent can be polluted and liquid-transfering gun in
Portion damages.If liquid-transfering gun enters liquid, it need to be cleaned and be dried with clear water.
(5) reagent bottle storage condition：
Sensor and reagent bottle should be put in dry shady place storage, prevent from being exposed to the sun in the excessively high environment of temperature；Summer prevents
It is more than in 60 DEG C of closed compartment that equipment is placed on temperature for a long time；Winter prevent equipment for a long time be placed on 0 DEG C it is below
In environment, if cultivation terminates, it is placed on inhabited place.
With reference to the dissolved oxygen table of comparisons is saturated in air, the invention will be further described
The dissolved oxygen table of comparisons is saturated in air
The corresponding temperature of dissolved oxygen concentration is saturated in water
Oxygen in water and temperature, the relationship (dissolved oxygen mg/L) of salinity at normal atmospheric pressure
Atmospheric pressure correction coefficient
Above-described embodiment is merely a preferred embodiment of the present invention, and it is not intended to limit the protection scope of the present invention, as long as using
The design principle of the present invention, and the non-creative variation worked and made is carried out on this basis, it should all belong to the present invention's
Within protection domain.
Claims (10)
1. a kind of novel intelligent water quality detection instrument, which is characterized in that including：
Host, including shell (1) are detected, is arranged in shell (1) front top, the detection storehouse for placing cuvette to be checked
(2), setting is arranged the charging interface (4) in the rear end of shell (1), is all provided in the power switch (3) of shell (1) lateral edge
The detection indicator light (6) on shell (1) is set, detection button (7), power supply indicator (8), network indicator light (10), calibrates and presses
Button (11), calibration indicator light (12) and charging indicator light (13), be fitted in the top surface edge of shell (1) draws magnetic sheet (9),
Dissolved oxygen sensor interface (51) and PH sensor interface (52) in the front end of shell (1) is set, and is opened respectively with power supply
(3) are closed, charging interface (4), dissolved oxygen sensor interface (51), PH sensor interface (52), detection indicator light (6), detects and presses
Button (7), power supply indicator (8), network indicator light (10), calibration knob (11), calibration indicator light (12) and charging indicator light
(13) the detection mainboard connected；
Dissolved oxygen sensor is connect with dissolved oxygen sensor interface (51), for detecting dissolved oxygen concentration in water quality to be detected；
PH sensors are connect with PH sensor interface (52), for detecting pH value in water quality to be detected；
Mobile terminal is fitted in and draws on magnetic sheet (9), the water quality index for obtaining detection mainboard detection, and is shown.
2. a kind of novel intelligent water quality detection instrument according to claim 1, which is characterized in that printed on the detection mainboard
The microcontroller of STM32 series is installed, the second power supply circuit being connect with the power input of microcontroller, output and second are exported
First power supply circuit of the input connection of power supply circuit, the third power supply circuit with the output connection of the first power supply circuit, with list
The bluetooth module that piece machine is connected and connect with mobile terminal communication, connect with microcontroller, is used for transmission the water quality index of detection
Photoelectric Detection module interface circuit is connected between microcontroller and dissolved oxygen sensor interface (51), PH sensor interface (52)
Communication interface circuit, connect with microcontroller, for drive it is described calibration indicator light (12) the first driving circuit, with microcontroller
Connection, the third driving circuit for driving the power supply indicator (8), and connect with microcontroller, drive and be used for detection and refer to
Show the second driving circuit of lamp (6).
3. a kind of novel intelligent water quality detection instrument according to claim 2, which is characterized in that the first power supply circuit packet
It includes with TEMP pins, PROG pins, GND pin, Vcc pins, CE pins, CHRG pins, STDBY pins and BAT pins
Charging management chip U3, the resistance R1 that one end is connect with charging interface (4), it is in parallel after one end connect with the other end of resistance R1,
And the capacitance C1 and capacitance C2 of other end ground connection, one end is connect with the PROG pins of charging management chip U3 and the other end is grounded
Resistance R6, one end connect with the BAT pins of charging management chip U3 and the other end ground connection capacitance C7 and one end with
The BAT pins of charging management chip U3 connect and the port P6 of other end ground connection；
Second power supply circuit includes having Vin pins, GND pin, EN pins, Vout pins and NC pins and the Vin
The charging management chip U2 that pin is connect with the BAT pins of charging management chip U3, the Vin for being connected to charging management chip U2 draw
Capacitance C3 between foot and GND pin, and the capacitance that is connected between the Vout pins of charging management chip U2 and NC pins
C4；
The third power supply circuit includes having OUT pins, IN pins, GND pin, EN pins, NC pins and PG pins and IN
The charging management chip U4 that pin is connect with the BAT pins of charging management chip U3 is connected to charging management chip U4 after in parallel
IN pins and GND pin between capacitance C11 and capacitance C8, be connected to after in parallel the OUT pins of charging management chip U4 with
Capacitance C9 and capacitance C10 and one end between NC pins are connect with the EN pins of charging management chip U4 and the other end is grounded
Resistance R44.
4. a kind of novel intelligent water quality detection instrument according to claim 3, which is characterized in that the communication interface circuit tool
There are RO pins, RE pins, DE pins, DI pins, VCC pin, A pins and B pins and uses RS485 communication lines with microcontroller
The communication conversion chip U5 of connection, and connect, with conversion chip U5 is communicated for being obtained through dissolved oxygen sensor interface (51)
Dissolved oxygen concentration and the isolation pick-up of pH value in water quality to be detected is obtained through PH sensor interface (52) in water quality to be detected
Device U10.
5. a kind of novel intelligent water quality detection instrument according to claim 3, which is characterized in that the first driving circuit packet
Include the resistance R25 of the serial port PC2 connections of one end and microcontroller, base stage connect with the other end of resistance R25, collector and calibration
Indicator light (12) connects and the triode Q4 of emitter ground connection, and is connected between the base stage and emitter of triode Q4
Resistance R28；
Second driving circuit includes the resistance R56 of the serial port PC0 connections of one end and microcontroller, and base stage is with resistance R56's
Other end connection, collector are connect with detection indicator light (6) and the triode Q7 of emitter ground connection, and is connected to triode
Resistance RR41 between the base stage and emitter of Q7；
The third driving circuit includes the resistance R57 of the serial port PA4 connections of one end and microcontroller, and base stage is with resistance R57's
Other end connection, collector and the triode Q8 of power supply indicator (8) connection and emitter ground connection, and it is connected to triode
Resistance R58 between the base stage and emitter of Q8.
6. a kind of novel intelligent water quality detection instrument according to claim 3, which is characterized in that the Photoelectric Detection module connects
Mouth circuit includes resistance R31, resistance R33 and the resistance R34 that one end is connect with the Vout pins of charging management chip U2, output
Hold the diode D4 being connect with the other end of resistance R31, the resistance R60 that one end is connect with the input terminal of diode D4, collector
It is connect with the output end of diode D4, the triode Q5 of the other end of emitter and resistance R33 connection, one end and resistance R34
The emitter of the Q5 of the resistance R32 that the other end connects and the other end is connect with the base stage of triode Q5, one end and triode connects
Resistance R35, base stage is connect with the other end of resistance R35 and emitter connect with the Vout pins of charging management chip U2
Triode Q6, and the resistance R36 that is connect with the collector of triode Q6.
7. a kind of novel intelligent water quality detection instrument according to claim 3, which is characterized in that the bluetooth module includes type
Number be BLE100 bluetooth communication chip U1, the resistance R4 and capacitance C5 being connect with the nReset pins of bluetooth communication chip U1,
The capacitance C10 and capacitance C12 being connect with the VCC pin of bluetooth communication chip U1, the tRelud pins with bluetooth communication chip U1
The resistance R14 and capacitance C15 of connection connect with the Aber_LED of bluetooth communication chip U1, are used for the driving network indicator light
(10) the 4th driving circuit, and the resistance R5 and capacitance C6 that are connect with the Wake UP Key pins of bluetooth communication chip U1；
4th driving circuit includes the resistance R13 being connect with the Aber_LED of bluetooth communication chip U1 with one end, base stage with
Other end connection, collector and the triode Q3, Yi Jilian of network indicator light (10) connection and emitter ground connection of resistance R13
The resistance R37 being connected between the base stage and emitter of triode Q3.
8. according to a kind of novel intelligent water quality detection instrument of claim 1~7 any one of them, which is characterized in that further include setting
It sets in shell (1) bottom, for four supporting pads (14) of anti-skidding support.
9. a kind of novel intelligent water quality detection instrument according to claim 3, which is characterized in that further include being connect with microcontroller
USB serial port circuits；The USB serial port circuits include the USB serial port chip U7 of model CH340G, one end and USB after parallel connection
The VCC pin of serial port chip U7 connects and the capacitance C16 and capacitance C17 of other end ground connection, is connected to USB serial port chips U7's
Resistance R23 between TXD pins and the serial port PA10 of microcontroller is connected to the RXD pins and microcontroller of USB serial port chips U7
Serial port PA9 between resistance R24, the resistance R27 that one end is connect with the VD+ pins of USB serial port chips U7, one end and USB
Resistance R30, the capacitance C19 that one end is connect with the XI pins of USB serial port chips U7 of the VD- pins connection of serial port chip U7, even
The crystal oscillator Y1 being connected between the XI pins and XO pins of USB serial port chips U7, one end and the XO pins of USB serial port chips U7 connect
Connect and capacitance C20 that the other end is connect with the other end of capacitance C19, input terminal be connected between capacitance C20 and capacitance C19 and
The diode D3 and input terminal that output end is connect with the other end of resistance R27 be connected between capacitance C20 and capacitance C19 and
The diode D2 that output end is connect with the other end of resistance R30.
10. a kind of water quality detection system, which is characterized in that use claim 1~8 any one of them Novel intelligent water quality inspection
It surveys instrument and water quality detection is carried out to fishery cultivating, lotus rhizome plantation, domestic water reservoir, industrial wastewater place.
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Application publication date: 20181009 |