CN206420506U - A kind of online pH dissolved oxygen temperature multi parameters control devices of industry - Google Patents
A kind of online pH dissolved oxygen temperature multi parameters control devices of industry Download PDFInfo
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- CN206420506U CN206420506U CN201720078730.2U CN201720078730U CN206420506U CN 206420506 U CN206420506 U CN 206420506U CN 201720078730 U CN201720078730 U CN 201720078730U CN 206420506 U CN206420506 U CN 206420506U
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- dissolved oxygen
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- circuit board
- acquisition process
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Abstract
The utility model is related to a kind of online pH dissolved oxygen temperature multi parameters control devices of industry, and the controller includes pH measuring circuits, dissolved oxygen sensor exciting circuit, temperature measuring circuit, dissolved oxygen sensing circuit, acquisition process unit, push-button unit and display；Acquisition process unit is connected with pH measuring circuits, dissolved oxygen sensor exciting circuit, temperature measuring circuit, dissolved oxygen sensing circuit, push-button unit, display respectively；PH measuring circuits are used to measure the pH value of water body and produce to be sent to acquisition process unit after electric signal is amplified and filtered to it and be acquired and computing；The current signal that dissolved oxygen sensing circuit is used to send dissolved oxygen sensor is converted into voltage signal, and being sent to acquisition process unit after amplification to the voltage signal is acquired and calculates.The utility model accuracy of detection is high, detect that simple to operate, function is more, measurement cost is low, measurement efficiency is high while it is small to also take up space.
Description
Technical field
The utility model is related to water quality inspection technique field, and in particular to a kind of online pH dissolved oxygen temperature multi-parameters of industry
Controller.
Background technology
Influenceed at present by blowdown enterprise, the acid-base value of part water body is exceeded, has had a strong impact on the mankind and has normally given birth to
Living, production.Such as, peasant is during breed in stew, because not will appreciate that growth of the acid-base value in water body if appropriate for fishes and shrimps,
When the acid-base value in water body is too high and too low or during relatively low water body oxygen content, fishes and shrimps mortality can all occurs, cause more
Economic loss.Tracing it to its cause, to be that water body is contaminated cause acid-base value to change and fail to be found in time.In the past to soda acid in water body
The measurement of degree and oxygen content is all, by artificial sample, to go to laboratory to carry out chemical analysis, cumbersome, measurement period is long, it is impossible to accurate
The situation that acid-base value changes in water body is found when really.Although also occurring in that some water quality detection equipment in the market,
These functions of the equipments are single, if to measure the pH of water body, oxygen content and water temperature, it is necessary to surveyed using three kinds of equipment
Amount, this provides for improved the measurement cost of water body, also reduces measurement efficiency, and a few set measuring apparatus can also take larger sky in addition
Between, it has not been convenient to carry.
Utility model content
The purpose of this utility model is to provide a kind of industry online pH dissolved oxygen temperature multi parameters control devices, to solve
Existing measuring apparatus function is single, measurement cost is high, measurement efficiency is low and the big shortcoming of space-consuming.
To achieve the above object, the utility model provides a kind of industry online pH dissolved oxygen temperature multi parameters control devices, institute
Stating industrial online pH dissolved oxygen temperature multi parameters controls device includes pH measuring circuits, dissolved oxygen sensor exciting circuit, temperature survey
Measure circuit, dissolved oxygen sensing circuit, acquisition process unit, push-button unit and display；The acquisition process unit respectively with institute
State pH measuring circuits, dissolved oxygen sensor exciting circuit, temperature measuring circuit, dissolved oxygen sensing circuit, push-button unit, display
Connection；The pH measuring circuits are used to measure the pH value of water body and produce to be sent to after electric signal is amplified and filtered to it to adopt
Collection processing unit is acquired and computing；The temperature measuring circuit is used to measure the temperature of water body and produces temperature signal pair
It is amplified and is sent to after handling acquisition process unit and is acquired and computing；The dissolved oxygen sensing circuit is used for will be molten
The current signal that solution lambda sensor is sent is converted into voltage signal, and acquisition process is sent to after amplification to the voltage signal
Unit is acquired and calculated.
It is preferred that, the online pH dissolved oxygen temperature multi parameters controls device of industry also includes alarm relay；The alarm
Relay is connected with acquisition process unit.
It is preferred that, the acquisition process unit is connected with current output circuit and Digital communication circuit.
It is preferred that, the acquisition process unit is connected by photoelectric coupling circuit and current output circuit and Digital communication circuit
Connect.
It is preferred that, the online pH dissolved oxygen temperature multi parameters controls device of industry also includes voice guard, the sound
Alarm is connected with acquisition process unit.
It is preferred that, the voice guard is buzzer.
It is preferred that, the acquisition process unit is single-chip microcomputer.
It is preferred that, the online pH dissolved oxygen temperature multi parameters controls device of industry also includes measuring circuit plate, power circuit
Plate and display circuit board；Circuit board plug terminal is provided with the measuring circuit plate, power supply circuit board and display circuit board,
The circuit board plug terminal on circuit board plug terminal and display circuit board in the measuring circuit plate is connected through double looper,
The circuit board plug terminal on circuit board plug terminal and display circuit board on the power supply circuit board is connected through double looper.
The utility model has the following advantages that：
1st, the online pH controllers of industry of the present utility model, accuracy of detection is high, is easy to research staff to be carried out on this product
Secondary development.
2nd, the online pH controllers of industry of the present utility model, detect simple to operate, real-time, automatic detection, directly perceived, accurate aobvious
Show acid-base value in water, temperature and oxygen content.
3rd, the online pH controllers of industry of the present utility model, between measuring circuit plate, power supply circuit board and display circuit board
Realize easy to disassemble in the connection and signal connection in structure, more compact structure, debugging maintenance process and change.
4th, the online pH controllers of industry of the present utility model, function is more, measurement cost is low, measurement efficiency is high also takes up simultaneously
Space is small.
Brief description of the drawings
Fig. 1 is the structural representation of the online pH dissolved oxygen temperature multi parameters control devices of the industry of the utility model embodiment 1.
Fig. 2 is the structural representation of the online pH dissolved oxygen temperature multi parameters control devices of the industry of the utility model embodiment 2.
Fig. 3 is that the structure of the online pH dissolved oxygen temperature multi parameters control device wiring boards of the industry of the utility model embodiment 2 is shown
It is intended to.
Embodiment
Following examples are used to illustrate the utility model, but are not limited to scope of the present utility model.
Embodiment 1
As shown in figure 1, the online pH dissolved oxygen temperature multi parameters controls device of the industry includes pH measuring circuits 11, dissolved oxygen and passed
Sensor exciting circuit 12, temperature measuring circuit 13, dissolved oxygen sensing circuit 14, acquisition process unit 15, push-button unit 16 and aobvious
Show device 17；Acquisition process unit 15 respectively with pH measuring circuits 11, dissolved oxygen sensor exciting circuit 12, temperature measuring circuit
13rd, dissolved oxygen sensing circuit 14, push-button unit 16, display 17 are connected.Temperature measuring circuit 13 is used for the temperature for measuring water body
And temperature signal is produced, temperature is realized by electric resistance partial pressure method and software checking book algorithm after being amplified to temperature signal
High-acruracy survey, temperature signal is finally sent to acquisition process unit 15 again and is acquired and transports in default program
Calculate, finally give the temperature value of water body.In the present embodiment, the temperature sensor of temperature measuring circuit 13 is thermistor.pH
Measuring circuit 11 is used to measure the pH value of water body and produces electric signal, and collection is sent to after the electric signal is amplified and filtered
Processing unit 15 is acquired and computing.The temperature that acquisition process unit 15 is measured when calculating pH value using temperature measuring circuit 13
Angle value, calculates pH value the pH value for obtaining water body so that the pH value calculated is more accurate using temperature compensation algorithm, and pH value can essence
Really arrive 0.01pH.Dissolved oxygen sensor exciting circuit 12 separates a direct energizing voltages using divider resistance, recycles amplifier
Voltage follower produces a driving voltage and is supplied to dissolved oxygen sensor.Dissolved oxygen sensing circuit 14 is used to sense dissolved oxygen
The DC current signal that device is sent is converted into voltage signal, and acquisition process unit is sent to after amplification to the voltage signal
15 are acquired and calculate, so as to calculate oxygen content of water, when calculating oxygen content of water, acquisition process unit 15 utilizes temperature
Degree backoff algorithm is compensated to the oxygen content of water calculated so that the oxygen content of measurement is more accurate.Display 17 is used
Chinese word library shows that 128*64 dot matrix, high resolution, chinese disply interface is visual and understandable, without checking that specification just can be real
The parameter setting of existing instrument, realizes directly perceived, the accurate display to detecting data.Push-button unit 16 includes four buttons, from a left side to
Right first is to exit button, and second is left and right selection key, and the 3rd is selection key up and down, and the 4th is pressed for confirmation
Key, realizes that keypress function is multiplexed by software programming, it is convenient to omit multiple buttons, saves panel space.In the present embodiment, adopt
Integrate processing unit 15 as single-chip microcomputer, acquisition process unit 15 sends the pH value calculated, temperature value and oxygen content to display
17 are shown, the pH value of measurement, temperature value and oxygen content are included on same display, the number of display 17 is reduced
Amount, reduces the expense of measurement, while three parameters of water body just can be measured by a set of equipment, is set compared to traditional measurement
The efficiency of standby measurement is greatly improved.
Embodiment 2
As shown in Figures 2 and 3, the present embodiment is that based on embodiment 1, the present embodiment and the difference of embodiment 2 exist
In the online pH dissolved oxygen temperature multi parameters controls device of industry in the present embodiment also includes alarm relay 18, voice guard
19th, current output circuit 20, Digital communication circuit 21 and photoelectric coupling circuit 22.19 points of alarm relay 18 and voice guard
Be not connected with acquisition process unit 15, current output circuit 20 and Digital communication circuit 21 respectively by photoelectric coupling circuit 22 with
Acquisition process unit is connected.In the present embodiment, voice guard 19 is buzzer, and alarm relay 18 connects with chemicals dosing plant
Connect, when the pH value that pH measuring circuits 11 measure water body is more than or less than default pH high level, the control honeybee of acquisition process unit 15
The device that rings is alarmed, while alarm relay 18 is turned on automatically, the chemicals dosing plant being connected on alarm relay 18 is started working, dosing
Device to water body input medicine automatically adjust the pH value of water body so that greatly reduce workman spread pesticides de-regulation water body pH value labor
Fatigue resistance.Certainly, alarm relay 18 can also be connected with oxygenation device of air, can the waste water relatively low to some dissolved oxygen contents enter
The processing of row automatic aeration, makes the oxygen content of water quality be finally reached discharge standard, in aquaculture, can set fish, a shrimp
Required dissolved oxygen low value, is then turned on oxygen-increasing device during less than this value, is automatically stopped higher than this value, effectively raise effect
Rate, energy-conserving and environment-protective.Acquisition process unit 15, which exports one, can change 0.4V-2.0V voltage signal, and electricity is exported by electric current
Voltage signal is changed into one 4-20MA signal of output after current signal by road 20, facilitates research staff's secondary development to use.In addition,
Acquisition process unit 15 can be connected through Digital communication circuit 21 with remote terminal, realize that MODBUS RTU lead to by software programming
Agreement is interrogated, telecommunication and monitoring is realized.Photoelectric coupling electricity is provided between Digital communication circuit 21 and acquisition process unit 15
Road 22 reduces the interference signal between circuit.In addition, the online pH controllers of industry also include measuring circuit plate 1, power circuit
Circuit board, which is provided with, on plate 2 and display circuit board 3, measuring circuit plate 1, power supply circuit board 2 and display circuit board 3 patches end
The circuit board plug terminal on circuit board plug terminal and display circuit board 3 in son, measuring circuit plate 1 connects through double looper
Connect, the circuit board plug terminal on circuit board plug terminal and display circuit board 3 on power supply circuit board 2 connects through double looper
Connect.The dual link in structure and on signal is realized between measuring circuit plate 1, power supply circuit board 2 and display circuit board 3, structure is more
It is compact, easy to disassemble in debugging maintenance process and replacing.
Although above having made detailed description to the utility model with generality explanation and specific embodiment,
On the basis of the utility model, it can be modified or improved, this is apparent to those skilled in the art
's.Therefore, the these modifications or improvements on the basis of without departing from the utility model spirit, belonging to the utility model will
Seek the scope of protection.
Claims (8)
1. a kind of online pH dissolved oxygen temperature multi parameters control devices of industry, it is characterised in that the online pH dissolved oxygen temperature of industry
Spending multi parameters control device includes pH measuring circuits, dissolved oxygen sensor exciting circuit, temperature measuring circuit, dissolved oxygen sensing electricity
Road, acquisition process unit, push-button unit and display；The acquisition process unit respectively with the pH measuring circuits, dissolved oxygen
Sensor excitation circuit, temperature measuring circuit, dissolved oxygen sensing circuit, push-button unit, display connection；The pH measuring circuits
It is sent to acquisition process unit for measuring the pH value of water body and producing after electric signal is amplified and filtered to it and is acquired
And computing；The temperature measuring circuit is used to measuring the temperature of water body and produced after temperature signal is amplified and handles to it
Acquisition process unit is sent to be acquired and computing；The dissolved oxygen sensing circuit is used for the electricity for sending dissolved oxygen sensor
Stream signal is converted into voltage signal, and being sent to acquisition process unit after amplification to the voltage signal is acquired and counts
Calculate.
2. the online pH dissolved oxygen temperature multi parameters control devices of industry according to claim 1, it is characterised in that the industry
Online pH dissolved oxygen temperature multi parameters controls device also includes alarm relay；The alarm relay connects with acquisition process unit
Connect.
3. the online pH dissolved oxygen temperature multi parameters control devices of industry according to claim 1, it is characterised in that the collection
Processing unit is connected with current output circuit and Digital communication circuit.
4. the online pH dissolved oxygen temperature multi parameters control devices of industry according to claim 3, it is characterised in that the collection
Processing unit is connected by photoelectric coupling circuit with current output circuit and Digital communication circuit.
5. the online pH dissolved oxygen temperature multi parameters control devices of industry according to claim 1, it is characterised in that the industry
Online pH dissolved oxygen temperature multi parameters controls device also includes voice guard, and the voice guard connects with acquisition process unit
Connect.
6. the online pH dissolved oxygen temperature multi parameters control devices of industry according to claim 5, it is characterised in that the sound
Alarm is buzzer.
7. the online pH dissolved oxygen temperature multi parameters control devices of industry according to claim 1, it is characterised in that the collection
Processing unit is single-chip microcomputer.
8. the online pH dissolved oxygen temperature multi parameters control devices of industry according to claim 1, it is characterised in that the industry
Online pH dissolved oxygen temperature multi parameters controls device also includes measuring circuit plate, power supply circuit board and display circuit board；The measurement
The circuit in circuit board plug terminal, the measuring circuit plate is provided with circuit board, power supply circuit board and display circuit board
Circuit board plug terminal on plate plug terminal and display circuit board is connected through double looper, the circuit on the power supply circuit board
Circuit board plug terminal on plate plug terminal and display circuit board is connected through double looper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720078730.2U CN206420506U (en) | 2017-01-20 | 2017-01-20 | A kind of online pH dissolved oxygen temperature multi parameters control devices of industry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720078730.2U CN206420506U (en) | 2017-01-20 | 2017-01-20 | A kind of online pH dissolved oxygen temperature multi parameters control devices of industry |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206420506U true CN206420506U (en) | 2017-08-18 |
Family
ID=59572492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720078730.2U Expired - Fee Related CN206420506U (en) | 2017-01-20 | 2017-01-20 | A kind of online pH dissolved oxygen temperature multi parameters control devices of industry |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206420506U (en) |
-
2017
- 2017-01-20 CN CN201720078730.2U patent/CN206420506U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170818 Termination date: 20200120 |
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| CF01 | Termination of patent right due to non-payment of annual fee |