CN206991055U - Based on monolithic processor controlled sewage TT＆C system - Google Patents
Based on monolithic processor controlled sewage TT＆C system Download PDFInfo
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- CN206991055U CN206991055U CN201720099335.2U CN201720099335U CN206991055U CN 206991055 U CN206991055 U CN 206991055U CN 201720099335 U CN201720099335 U CN 201720099335U CN 206991055 U CN206991055 U CN 206991055U
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- chip microcomputer
- processor controlled
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- sewage
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Abstract
One kind is based on monolithic processor controlled sewage TT＆C system, and the system includes the single-chip microcomputer for processing data, and the input of described single-chip microcomputer is connected with temperature sensor, pressure sensor, liquid level sensor and keyboard input module；The output end of described single-chip microcomputer is connected with intake pump by relay, goes out water pump, mixing pump and air pump；The output end of described single-chip microcomputer is also associated with LCD display and indicating lamp module.The utility model substantially reduces by using the observing and controlling of sensor and chip microcontroller to water pot sewage compared to cost for PLC.By single-chip microcomputer and a variety of circuits with single-chip minimum system is combined into, the precision and detection speed of Data Detection are effectively raised.This programme have also been devised stand-by power supply and spare interface, the stability of system operation is largely increased.
Description
Technical field
Sewage observation and control technology field is the utility model is related to, is specifically that one kind is based on monolithic processor controlled sewage observing and controlling system
System, be particularly suitable for use in water pot sewage observing and controlling.
Background technology
With social progress, economic development, living standard improves constantly, and the ability and scope of mankind's reform of ecological environment are not
It is disconnected to expand, and sewage treatment industry occupies consequence.But sewage treatment industry is in the relatively other industries in China and state
Outer compare also relatively falls behind, and China is after the strategy of sustainable development is proposed, environmental protection is as one of the fundamental state policy in China.From
In recent years from the point of view of environmental improvement, the environmental protection in China is theoretical, technical study and application are little with external gap, gap it is bigger be
Environmental unit equipment and automatic control system, China is more at present uses manual operation and semiautomatic control.
1. manual operation
The operation of traditional sewage treatment plant be unable to do without artificial Heuristics, and each technological process stage is required for manually
Intervention, by the way of manual type inspection and record water factory creation data.Because sewage disposal process is very complicated, have a lot
Uncertain and ambiguity, mechanism is not clear between many operating process and effect, and traditional PID control method needs essence
True mathematical modeling and analysis process, can not handle the sewage disposal process of complexity, so typically completing entirely mistake by artificial
The closed-loop control of journey.And excessively relying on manual operation then it is quickly and effective to be unfavorable for progress to too many human factor is brought
On line real time control, often lead to the unstable of effluent quality, at the same be also difficult to further improve enterprise benefit.
2. semiautomatic control
Local process amount is gathered by means such as data acquisition units and is sent into control room, is typically provided with processing simulation in control room
Display screen or host computer, the performance indications such as liquid level, flow, temperature, turbidity, pH value and electricity are shown on imitation screen or host computer
Machine, gate running status, are monitored with production process, host computer operating personnel can on imitation screen or operating desk remote control part
The start and stop of equipment, and the control of some equipment just needs to contact site operation personnel, by site operation personnel's hand-guided, production
In data need this control mode of manual record to need artificial frequent intervention, the delay for thinking contact be present in centre, from
And the stabilization of effluent quality is influenceed, but this is that current domestic medium and small sewage treatment plant is more by the way of.
In the industrial production, without the detection of physical quantity, just it is far from being and automatically controls, precision, speed and the detection of detection
Method correctness is directly connected to the running quality of whole control system.The element for serving as Detection task is sensor, and it is
The key of automatic control system, in the controls with consequence.The physical quantity mainly measured in sewage control industry
Have：Pressure, temperature and water level.At present, dosimetric sensors can substantially meet the needs of China's sewage control industry, it is important to
How concrete application problem.
The content of the invention
In order to solve the defects of above-mentioned prior art is present, the utility model provides one kind and is based on monolithic processor controlled dirt
Water TT＆C system, realize automatically controlling for sewage observing and controlling.
The technical solution adopted in the utility model：One kind is based on monolithic processor controlled sewage TT＆C system, and the system includes
For the single-chip microcomputer of processing data, the input of described single-chip microcomputer is connected with temperature sensor, pressure sensor, level sensing
Device and keyboard input module；The output end of described single-chip microcomputer is by the way that relay is connected with intake pump, to go out water pump, mixing pump gentle
Pump；The output end of described single-chip microcomputer is also associated with LCD display and indicating lamp module.
Preferably, described single-chip microcomputer uses MCS908AW60 chips.
Preferably, described single-chip microcomputer be also associated with electric source filter circuit, phase-locked loop circuit, reset circuit, crystal oscillating circuit,
BDM circuits and clock circuit；Described single-chip microcomputer and electric source filter circuit, phase-locked loop circuit, reset circuit, crystal oscillating circuit, BDM
Circuit and clock circuit are integrated in same circuit board, form single-chip minimum system.
Preferably, described single-chip microcomputer is connected by photoelectrical coupler with relay.
Preferably, described pressure sensor uses SP-801 type pressure sensors, and temperature sensor uses PT100 type temperature
Sensor is spent, described pressure sensor is connected by ADS8361 modules with single-chip microcomputer input；Described temperature sensor leads to
TL7660 modules are crossed to be connected with single-chip microcomputer input.
Preferably, described LCD display uses YM1602C liquid crystal displays.
Preferably, described indicating lamp module includes power supply indicator, alarm lamp and pump operation indicator lamp.
Preferably, described single-chip minimum system is also associated with power backup block and interface spare module.
Preferably, described keyboard input module uses 4*4 keyboard components, including automatic running button, manual operation to press
Key, pump control button and time set button.
Preferably, described liquid level sensor and keyboard input module are connected with universaling I/O port inside single-chip microcomputer.
The beneficial effects of the utility model：The utility model is by using sensor and chip microcontroller to water pot sewage
Observing and controlling, substantially reduced compared to cost for PLC.By single-chip microcomputer and a variety of circuits with single-chip minimum system is combined into, effectively
The precision and detection speed that improve Data Detection.This programme have also been devised stand-by power supply and spare interface, make system operation
Stability be largely increased.
Brief description of the drawings
Fig. 1 is structured flowchart of the present utility model；
Fig. 2 is the utility model singlechip minimum system circuit figure；
Fig. 3 is the utility model liquid level acquisition module circuit diagram；
Fig. 4 is the utility model relay drive circuit figure.
Embodiment
In order to further illustrate the implementation detail of the technical solution of the utility model, illustrated in conjunction with accompanying drawing.
As shown in figure 1, the utility model includes the single-chip microcomputer for processing data, the input connection of described single-chip microcomputer
There are temperature sensor, pressure sensor, liquid level sensor and keyboard input module；The output end of described single-chip microcomputer passes through relay
Device is connected with intake pump, goes out water pump, mixing pump and air pump；The output end of described single-chip microcomputer is also associated with LCD display and referred to
Show lamp module.
In the present embodiment, to solve the problems, such as three, first, how to realize more general data acquisition and control function；
Second, how to ensure the correctness and precision of AD collections；Third, how to realize correct manual control.Most these three work(at last
Can fusion get up, reach the measurement to observing and controlling object, automatically control and the purpose of manual control.
In sewage observing and controlling industry, mainly the carry out pressure of the sewage that is stored in water pot, temperature, waterlevel data are adopted
Collection, and intake pump automatic watering into tank can be controlled by the different heights of water level of detection, and will be pressed by LCD display screen
The medium parameters such as power temperature show that the utility model may be configured as automatically controlling or control two ways manually, automatic
Under control mode, user can set the run time of each pump by the keyboard provided on measurement and control instrument, automatically control all kinds of
The work of water pump is with stopping operation.
In the present embodiment, four pumps (i.e. intake pump, go out water pump, air pump, mixing pump) are provided with altogether：Intake pump is by liquid level
Control, stop when reaching high level, start when reaching low liquid level.Go out water pump and mixing pump by time control alternate run, pass through
PCF8563 clock chip timing acquiring data and the working condition for changing relay, such as go out water pump operation 8 minutes, stop 2 points
Clock, stirring pump operation 2 minutes, stops 8 minutes, air pump works always.Intake pump and go out water pump and mainly solve water pot stable level
The problem of, and mixing pump is used for ensureing even water temperature in tank, and the function of air pump is to maintain the air pressure in water pot, passes through four pumps
Coordinate, it is ensured that the precision of sewage TT＆C system data acquisition.Liquid level sensor uses corrosion resistant type liquid level sensor, sets respectively
At low liquid level, middle liquid level and high level in water pot, for detecting liquid level, its circuit connection diagram is as shown in Figure 3.
The utility model employs 8 single-chip microcomputer MC9S08AW60 of Freescale as processor, internal bus frequency
3MHz；2KB RAM；60KB flash storages；Support backstage debugging mode；The KBI moulds of one band, 8 keyboard interrupt inputs
Block；Internal clock generator (S08ICGV4) module, system clock is generated for AW60 processors；Two independent timer/arteries and veins
Width modulates (TPM) module, totally 8 TPM passages；The module of two independent serial communication interfaces (SCI)；One serial peripheral connects
Mouth (SPI) module；One internal integrated circuit (IIC) module；16 10, passage analog-to-digital conversion modules (ADC)；Operating voltage for+
5V.Minimum system circuit diagram is as shown in Fig. 2 contain electric source filter circuit, phase-locked loop circuit, reset circuit, crystal oscillator electricity in figure
Road, BDM (Background Debug Module are debugged on backstage) circuits and clock circuit.Wherein, as shown in Fig. 2 power filter
Circuit, for improving the Electro Magnetic Compatibility of system, reduces electricity using the VREFL pin of the capacitance connection processor of 0.1 microfarad
The influence to system is fluctuated in source, strengthens circuit job stability；57, the 58 pin connection crystal oscillating circuit of processor, crystal oscillating circuit are adopted
Connected with the filter capacitor of two 22 microfarads, then a crystal oscillator in parallel；3 pin connect reset circuit, play Fault recovery
Effect, the reset circuit is a kind of external reset mode, and usual chip is equipped with one and marks the low level for being effective
Reset pin, when the pin voltage is low level, triggering resets.
As shown in figure 1, BDM (Background Debug Module are debugged on backstage) circuit is to be embedded in a BDM in piece
Debugging module, the module can access MCU internal resource by special interconnector, be performed according to the external command received
Corresponding operation, sends out corresponding information, can be accessed in the case where not influenceing user program operation (non-intrusive)
The debugging method that the data of memory and offer are commonly used is as changed MCU internal register, setting breakpoint and single step execution
Deng.
The utility model need control intake pump, go out water pump, mixing pump and air pump, thus used relay component (in
Between component).The input voltage of relay is 5V, and its internal resistance is 72.5 ohm, and system can be improved using photoelectrical coupler
Antijamming capability, by implementing to find that 4N25 photo-couplers can not directly drive the relay, it is necessary to connect a triode to letter
Number it is amplified.Since it is desired that four pumps are controlled, in order that system has redundancy, to prevent because of a relay damaged,
And causing whole system to collapse, the utility model has used six relay components, the institute of connection figure such as 4 of relay drive circuit
Show.
The utility model needs to switch between automatic working method and manual work mode, it is necessary to controls respectively
Intake pump, the ON time (for example, ON time increases or decreases) for going out water pump, mixing pump and air pump, it is contemplated that to use
Multiple buttons, therefore the utility model has used 4*4 Keysheet module.
Utility model is big compared to cost for PLC by using the observing and controlling of sensor and chip microcontroller to water pot sewage
It is big to reduce.By single-chip microcomputer and a variety of circuits with single-chip minimum system is combined into, the precision of Data Detection is effectively raised
And detection speed.This programme have also been devised stand-by power supply and spare interface, the stability of system operation is largely increased.
Claims (10)
1. one kind is based on monolithic processor controlled sewage TT＆C system, it is characterised in that：The system includes the list for processing data
Piece machine, the input of described single-chip microcomputer are connected with temperature sensor, pressure sensor, liquid level sensor and input through keyboard mould
Block；The output end of described single-chip microcomputer is connected with intake pump by relay, goes out water pump, mixing pump and air pump；Described monolithic
The output end of machine is also associated with LCD display and indicating lamp module.
2. according to claim 1 be based on monolithic processor controlled sewage TT＆C system, it is characterised in that：Described single-chip microcomputer
Using MCS908AW60 chips.
3. according to claim 1 be based on monolithic processor controlled sewage TT＆C system, it is characterised in that：Described single-chip microcomputer
It is also associated with electric source filter circuit, phase-locked loop circuit, reset circuit, crystal oscillating circuit, BDM circuits and clock circuit；Described list
Piece machine is integrated in same electricity with electric source filter circuit, phase-locked loop circuit, reset circuit, crystal oscillating circuit, BDM circuits and clock circuit
Road plate, form single-chip minimum system.
4. according to claim 1 be based on monolithic processor controlled sewage TT＆C system, it is characterised in that：Described single-chip microcomputer
It is connected by photoelectrical coupler with relay.
5. according to claim 2 be based on monolithic processor controlled sewage TT＆C system, it is characterised in that：Described pressure passes
Sensor uses SP-801 type pressure sensors, and temperature sensor uses PT100 type temperature sensors, and described pressure sensor leads to
ADS8361 modules are crossed to be connected with single-chip microcomputer input；Described temperature sensor passes through TL7660 modules and single-chip microcomputer input
Connection.
6. according to claim 1 be based on monolithic processor controlled sewage TT＆C system, it is characterised in that：Described LCD shows
Show that device uses YM1602C liquid crystal displays.
7. according to claim 1 be based on monolithic processor controlled sewage TT＆C system, it is characterised in that：Described indicator lamp
Module includes power supply indicator, alarm lamp and pump operation indicator lamp.
8. according to claim 3 be based on monolithic processor controlled sewage TT＆C system, it is characterised in that：Described single-chip microcomputer
Minimum system is also associated with power backup block and interface spare module.
9. according to claim 1 be based on monolithic processor controlled sewage TT＆C system, it is characterised in that：Described keyboard is defeated
Enter module and use 4*4 keyboard components, including automatic running button, run button, pump control button and time manually button is set.
10. according to claim 2 be based on monolithic processor controlled sewage TT＆C system, it is characterised in that：Described liquid level
Sensor and keyboard input module are connected with universaling I/O port inside single-chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720099335.2U CN206991055U (en) | 2017-01-23 | 2017-01-23 | Based on monolithic processor controlled sewage TT＆C system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720099335.2U CN206991055U (en) | 2017-01-23 | 2017-01-23 | Based on monolithic processor controlled sewage TT＆C system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206991055U true CN206991055U (en) | 2018-02-09 |
Family
ID=61422006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720099335.2U Expired - Fee Related CN206991055U (en) | 2017-01-23 | 2017-01-23 | Based on monolithic processor controlled sewage TT＆C system |
Country Status (1)
| Country | Link |
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| CN (1) | CN206991055U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108490993A (en) * | 2018-03-07 | 2018-09-04 | 贵阳学院 | A kind of water level auto control system and method with warning function |
| CN111896761A (en) * | 2019-05-05 | 2020-11-06 | 天津大学 | A single chip microcomputer control device for mercury ion detecting system |
| CN111998504A (en) * | 2020-09-04 | 2020-11-27 | 赖慧芳 | New forms of energy temperature regulation system |
| CN112174353A (en) * | 2020-09-28 | 2021-01-05 | 西藏道一科技设备有限公司 | Ultra-low temperature high altitude steam oil separator |
-
2017
- 2017-01-23 CN CN201720099335.2U patent/CN206991055U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108490993A (en) * | 2018-03-07 | 2018-09-04 | 贵阳学院 | A kind of water level auto control system and method with warning function |
| CN111896761A (en) * | 2019-05-05 | 2020-11-06 | 天津大学 | A single chip microcomputer control device for mercury ion detecting system |
| CN111998504A (en) * | 2020-09-04 | 2020-11-27 | 赖慧芳 | New forms of energy temperature regulation system |
| CN112174353A (en) * | 2020-09-28 | 2021-01-05 | 西藏道一科技设备有限公司 | Ultra-low temperature high altitude steam oil separator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180209 Termination date: 20190123 |