CN207717191U - A kind of reagent quantitative device for monitoring water quality on line equipment - Google Patents
A kind of reagent quantitative device for monitoring water quality on line equipment Download PDFInfo
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- CN207717191U CN207717191U CN201721382862.0U CN201721382862U CN207717191U CN 207717191 U CN207717191 U CN 207717191U CN 201721382862 U CN201721382862 U CN 201721382862U CN 207717191 U CN207717191 U CN 207717191U
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Abstract
The utility model discloses a kind of reagent quantitative devices for monitoring water quality on line equipment, including quantity tube, ultrasonic sensor and circuit arrangement unit, compared with prior art, ultrasonic sensor uses high-frequency ultrasonic sensor, 12 ° of transmitted wave beam angle, make liquid capacity metering control errors in ± 0.015ml, quantity tube uses high transparency quartz glass, level condition in the real-time observation tube of rectangular through holes on protective cover can be passed through in dosing process, the resistance to strong acid of quartz glass tube corrodes high temperature resistant, can meet the use condition of different reagents；Quantity tube inner wall smooth can effectively avoid phenomena such as hanging liquid, hydrops；Quantitative pipe diameter can be customized according to reagent demand, be adjusted flexibly；Temperature measurement unit is arranged can be with influence of the compensation temperature to measurement distance to improve liquid level measurement precision；In addition, high-frequency ultrasonic sensor uses the material of strong alkali-acid resistance corrosion, it can solve the problems, such as that sensor is corroded in the long-term use, ensure the stability of working sensor.
Description
Technical field
The present invention relates to high-frequency ultrasonic ranging field, a kind of specifically existing for water quality based on high-frequency ultrasonic
The reagent quantitative device of line monitoring device.
Background technology
It industrially usually needs to quantify liquid height, such as various chemical reagent is quantitative etc., these reagents
It is quantitative to need more accurate survey tool, all to a very small extent due to the quantity tube height of quantitative system use, width,
There are problems that short-distance blind section, thus needs to research and develop the liquid measure proportioning device that a blind area is small, launch angle is small, and can be accurate
Quantity tube in solution height, reduce measurement error.
Due to ultrasonic sensor as prolonged work is run, ultrasonic signal meeting respective attenuation, and traditional technology
To this processing method, gain amplification usually is fixed to ultrasonic signal, when ultrasonic signal is decayed, phase is not achieved
The collection effect answered, so that the sensor more renewed, increases project cost, it would therefore be desirable to research and develop a kind of with automatic
The signal acquisition method of gain-adjusted function replaces this traditional acquisition scheme.Based on this, we design a kind of for water
The reagent quantitative device of matter on-line monitoring equipment, high-precision liquid level quantitative technique are one of core technologies of this system, the control
The realization of system is quantitative by high-frequency ultrasonic, and precision is up to tens ul, and to realize, reagent is fixed in entire measurement reaction process
The accuracy of amount.Non-contact type quantitative manner realizes accurate sample introduction and a variety of configurable feed liquor flows simultaneously, is different reagents
Quantitatively provide safeguard.
Invention content
The purpose of the present invention is to solve defect in the prior art, provide a kind of for monitoring water quality on line equipment
Reagent quantitative device solves the above problems.
To achieve the goals above, technical scheme is as follows：
A kind of reagent quantitative device for monitoring water quality on line equipment, including quantity tube, ultrasonic sensor and circuit
Unit, it is characterised in that：The ultrasonic sensor is connected with circuit arrangement unit, and the quantity tube is externally provided with protection
The top of cover, the circuit arrangement unit and protective cover is connected, and the ultrasonic sensor is set to the top of quantity tube,
The ultrasonic sensor is passed for emitting ultrasonic signal, and received ultrasonic signal, the ultrasonic wave into air
Tetrafluoro part a is equipped between sensor and quantity tube, the ultrasonic sensor, quantity tube are fixedly connected with tetrafluoro part a, described
Quantity tube below be provided with tetrafluoro part b, the quantity tube is fixedly connected with tetrafluoro part b.
Preferably, the circuit arrangement unit includes main control circuit unit, ultrasonic drive circuit unit, letter
Number processing circuit unit, temperature measurement unit, liquid level control circuit unit and communication unit, the temperature measurement unit, liquid
Position control circuit unit, communication unit are connected with main control circuit unit, the main control circuit unit and ultrasonic wave driving electricity
The input terminal of road unit is connected, the output end of the ultrasonic drive circuit unit and the input terminal phase of ultrasonic sensor
Even, the output end of the ultrasonic sensor is connected with the input terminal of signal processing circuit unit, signal processing electricity
The output end of road unit is connected with main control circuit unit.
Preferably, being additionally provided with rectangular through holes on the side plate of the protective cover.
Preferably, the bottom end of the protective cover is equipped with cover board, the tetrafluoro part b is connected with cover board, and described determines
Buret is connected across cover board with hard pipe joint, and the hard pipe joint is surrounded by fastening connector.
Preferably, what the quantity tube was prepared using transparent quartz glass tube material.
Preferably, the ultrasonic sensor uses high-frequency ultrasonic sensor, 12 ° of transmitted wave beam angle.
A kind of reagent quantitative device for monitoring water quality on line equipment of the present invention, compared with prior art, ultrasonic wave
Sensor uses high-frequency ultrasonic sensor, 12 ° of transmitted wave beam angle to make liquid capacity metering control errors in ± 0.015ml, quantitative
Pipe uses high transparency quartz glass, can pass through liquid level feelings in the real-time observation tube of rectangular through holes on protective cover in dosing process
Condition, while the resistance to strong acid of quartz glass tube corrodes high temperature resistant, can meet the use condition of different reagents；Quantity tube inner wall smooth, can
Phenomena such as effectively avoiding hanging liquid, hydrops；Quantitative pipe diameter can be customized according to reagent demand, be adjusted flexibly；Temperature is set
Measuring unit can be with influence of the compensation temperature to measurement distance to improve liquid level measurement precision；In addition, high-frequency ultrasonic sensor
The material corroded using strong alkali-acid resistance, can solve the problems, such as that sensor is corroded in the long-term use, ensure sensor
The stability of work.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of reagent quantitative device for monitoring water quality on line equipment of the present invention；
Fig. 2 is a kind of perspective view of reagent quantitative device for monitoring water quality on line equipment of the present invention；
Fig. 3 is a kind of reagent quantitative device circuit unit part for monitoring water quality on line equipment of the present invention
Composition frame chart.
Wherein, 1- quantity tubes, 2- ultrasonic sensors, 3- circuit arrangements unit, 4- protective covers, 5- tetrafluoro part a, 6- tetrafluoros
Part b, 7- main control circuit unit, 8- ultrasonic drive circuits unit, 9- signal processing circuit units, 10- temperature measurement units,
11- liquid level control circuits unit, 12- communication units, 13- through-holes, 14- cover boards, 15- hard pipe joints, 16- fasten connector
Specific implementation mode
The effect of to make to structure feature of the invention and being reached, has a better understanding and awareness, to preferable
Embodiment and attached drawing cooperation detailed description, are described as follows：
With reference to shown in attached drawing 1 and Fig. 2, a kind of reagent quantitative device for monitoring water quality on line equipment, including quantity tube
1, ultrasonic sensor 2 and circuit arrangement unit 3, the ultrasonic sensor 2 are connected with circuit arrangement unit 3, and described determines
Buret 1 is externally provided with protective cover 4, and the top of the circuit arrangement unit 3 and protective cover 4 is connected, the ultrasonic sensor 2
It is set to the top of quantity tube 1, the ultrasonic sensor 2 receives ultrasound for emitting ultrasonic signal into air
Wave signal, is equipped with tetrafluoro part a 5 between the ultrasonic sensor 2 and quantity tube 1, the ultrasonic sensor 2 quantifies
Pipe 1 is fixedly connected with tetrafluoro part a 5, and the lower section of the quantity tube 1 is provided with tetrafluoro part b 6, the quantity tube 1 and four
Fluorine part b 6 is fixedly connected.
With reference to attached drawing 3, the circuit arrangement unit 3 includes main control circuit unit 7, ultrasonic drive circuit unit
8, signal processing circuit unit 9, temperature measurement unit 10, liquid level control circuit unit 11 and communication unit 12, the temperature
Measuring unit 10, liquid level control circuit unit 11, communication unit 12 are connected with main control circuit unit 7, the governor circuit
Unit 7 is connected with the input terminal of ultrasonic drive circuit unit 8, the output end of the ultrasonic drive circuit unit 8 with it is super
The input terminal of sonic sensor 2 is connected, the input of the output end and signal processing circuit unit 9 of the ultrasonic sensor 2
End is connected, and the output end of the signal processing circuit unit 9 is connected with main control circuit unit 7.
Preferably, the bottom end of the protective cover 4 is equipped with cover board 14, the tetrafluoro part b 6 is connected with cover board 14,
The quantity tube 1 is connected across cover board 14 with hard pipe joint 15, and the hard pipe joint 15 is surrounded by fastening connector
16。
It should be noted that quantity tube 1 uses high transparency quartz glass in D-M (Determiner-Measure) construction, can be observed in real time in dosing process
Intraluminal fluid position situation, while resistance to strong acid corrodes high temperature resistant, can meet the use condition of different reagents；1 inner wall smooth of quantity tube, can
Phenomena such as effectively avoiding hanging liquid, hydrops；1 diameter of quantity tube can be customized according to reagent demand, be adjusted flexibly, high frequency ultrasound
Wave sensor uses the material of strong alkali-acid resistance corrosion, can solve the problems, such as that sensor is corroded in the long-term use, protects
Demonstrate,prove the stability of working sensor.
The present invention controls reagent sample size by high-frequency ultrasonic quantitative system, since the quantity tube that quantitative system uses is high
All to a very small extent, there is short-distance blind section in degree, width, thus need to select that a blind area is small, launch angle is small
Ultrasonic sensor carry out that liquid measure is quantitative, and according to the characteristic of ultrasonic wave, the frequency of ultrasonic wave is higher, and blind area is smaller, but frequency
Rate is higher, and decaying will be faster, therefore it is required that reasonably select ultrasonic frequency, preferably, the present invention provides it is a kind of I
The high-frequency ultrasonic sensor of custom-made is taken charge of, 12 ° of transmitted wave beam angle makes liquid capacity metering control errors in ± 0.015ml.
In the present invention, high-precision liquid level quantitative technique is one of core technology of this system, super to reflected high frequency
Acoustic signals, this programme devise a set of exclusive signal processing method.Since ultrasonic sensor is with prolonged work
Operation, ultrasonic signal can respective attenuation, therefore we devise it is a kind of can automatic regulating signal gain signal acquisition method,
By software and hardware combining real-time control potentiometer to adjusting signal amplitude, even if ultrasonic signal is decayed, it is being changed without sensing
Under the premise of device, it can also reach corresponding collection effect, save project cost, provide safeguard for the accurate quantification of reagent.
By the high-frequency ultrasonic sensor in quantity tube, the high-frequency ultrasonic signal of specific frequency is sent, is returned
Wave signal passes sequentially through the active operational amplifier of high frequency sensors, noise high-speed, three rank Butterworth filters, variable gain
The voltage comparator circuit of amplifier and precision.After relevant treatment, the input capture for inputting microcontroller interrupts, and calculates warp
The two-way time gone through, the height of liquid level, finally obtains the liquid measure of quantitative liquid in pipe in indirect computer tube.
Implementation is further illustrated below by application method：The transmitting-receiving one that main control circuit unit 7 passes through custom-made
Body high frequency sensors utilize the splendid directionality of ultrasonic wave to the ultrasonic signal for the pipe pre-support specific frequency being fully sealed
And reflectivity, sensor can receive the ultrasonic wave from reflecting surface, reflected ultrasonic wave is passed again by ultrasonic sensor 2
Signal processing circuit unit 9 is passed, when main control circuit unit 7 receives the signal measurement that signal processing circuit unit 9 is handled well
Between it is poor, and calculate the two-way time t of ultrasonic wave, the influence using 10 compensation temperature of temperature measurement unit to measurement distance is to carry
High liquid level measurement accuracy to calculate the height in intraluminal fluid face indirectly, and sends interactive command by communication unit 12 and tells
Interactive device.
In conclusion a kind of reagent quantitative device for monitoring water quality on line equipment of the present invention, with prior art phase
Use high-frequency ultrasonic sensor than, ultrasonic sensor 2,12 ° of transmitted wave beam angle, make liquid capacity metering control errors ±
In 0.015ml, quantity tube 1 uses high transparency quartz glass, can be real by the rectangular through holes 13 on protective cover 4 in dosing process
When observation tube in level condition, while the resistance to strong acid of quartz glass tube corrodes high temperature resistant, can meet the use condition of different reagents；It is fixed
1 inner wall smooth of buret can effectively avoid phenomena such as hanging liquid, hydrops；1 diameter of quantity tube can be customized according to reagent demand,
It is adjusted flexibly；Temperature measurement unit 10 is arranged can be with influence of the compensation temperature to measurement distance to improve liquid level measurement precision；This
Outside, high-frequency ultrasonic sensor uses the material of strong alkali-acid resistance corrosion, and it is rotten in the long-term use can to solve sensor
The problem of erosion, ensures the stability of working sensor.
It is appreciated that core of the invention technical solution is to realize examination by using the high frequency ultrasound wave measurement of custom-made
Agent quantitatively detects.Company between the concrete structure of each appliance arrangement used in the system, type and its distinct device, device
The equal without concrete restriction such as structure, shape, the material of connection member, can reasonably select according to actual conditions.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and what is described in the above embodiment and the description is only the present invention
Principle, various changes and improvements may be made to the invention without departing from the spirit and scope of the present invention, these variation and
Improvement is both fallen in the range of claimed invention.The present invention claims protection domain by appended claims and its
Equivalent defines.
Claims (6)
1. a kind of reagent quantitative device for monitoring water quality on line equipment, including quantity tube (1), ultrasonic sensor (2) and
Circuit arrangement unit (3), it is characterised in that：The ultrasonic sensor (2) is connected with circuit arrangement unit (3), and described determines
Buret (1) is externally provided with protective cover (4), and the top of the circuit arrangement unit (3) and protective cover (4) is connected, the ultrasound
Wave sensor (2) is set to the top of quantity tube (1), and the ultrasonic sensor (2) is for emitting ultrasonic wave into air
Signal, and received ultrasonic signal are equipped with tetrafluoro part a (5) between the ultrasonic sensor (2) and quantity tube (1), described
Ultrasonic sensor (2), quantity tube (1) be fixedly connected with tetrafluoro part a (5), the quantity tube is provided with below (1)
Tetrafluoro part b (6), the quantity tube (1) are fixedly connected with tetrafluoro part b (6).
2. a kind of reagent quantitative device for monitoring water quality on line equipment according to claim 1, it is characterised in that：Institute
The circuit arrangement unit (3) stated includes main control circuit unit (7), ultrasonic drive circuit unit (8), signal processing circuit
Unit (9), temperature measurement unit (10), liquid level control circuit unit (11) and communication unit (12), the temperature measure single
First (10), liquid level control circuit unit (11), communication unit (12) are connected with main control circuit unit (7), master control electricity
Road unit (7) is connected with the input terminal of ultrasonic drive circuit unit (8), the ultrasonic drive circuit unit (8) it is defeated
Outlet is connected with the input terminal of ultrasonic sensor (2), the output end and signal processing circuit of the ultrasonic sensor (2)
The input terminal of unit (9) is connected, and the output end of the signal processing circuit unit (9) is connected with main control circuit unit (7).
3. a kind of reagent quantitative device for monitoring water quality on line equipment according to claim 1, it is characterised in that：Institute
Rectangular through holes (13) are additionally provided on the side plate for the protective cover (4) stated.
4. a kind of reagent quantitative device for monitoring water quality on line equipment according to claim 1, it is characterised in that：Institute
The bottom end for the protective cover (4) stated is equipped with cover board (14), and the tetrafluoro part b (6) is connected with cover board (14), the quantity tube
(1) it is connected with hard pipe joint (15) across cover board (14), the hard pipe joint (15) is surrounded by fastening connector (16).
5. a kind of reagent quantitative device for monitoring water quality on line equipment according to claim 1, it is characterised in that：Institute
What the quantity tube (1) stated was prepared using transparent quartz glass tube material.
6. a kind of reagent quantitative device for monitoring water quality on line equipment according to claim 1, it is characterised in that：Institute
The ultrasonic sensor (2) stated uses high-frequency ultrasonic sensor, 12 ° of transmitted wave beam angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721382862.0U CN207717191U (en) | 2017-10-25 | 2017-10-25 | A kind of reagent quantitative device for monitoring water quality on line equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721382862.0U CN207717191U (en) | 2017-10-25 | 2017-10-25 | A kind of reagent quantitative device for monitoring water quality on line equipment |
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| CN207717191U true CN207717191U (en) | 2018-08-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107560690A (en) * | 2017-10-25 | 2018-01-09 | 安徽英凯环境技术有限公司 | A kind of reagent quantitative device for monitoring water quality on line equipment |
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2017
- 2017-10-25 CN CN201721382862.0U patent/CN207717191U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107560690A (en) * | 2017-10-25 | 2018-01-09 | 安徽英凯环境技术有限公司 | A kind of reagent quantitative device for monitoring water quality on line equipment |
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