CN106601116A - Process control practical training device and control method thereof - Google Patents
Process control practical training device and control method thereof Download PDFInfo
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- CN106601116A CN106601116A CN201710065428.8A CN201710065428A CN106601116A CN 106601116 A CN106601116 A CN 106601116A CN 201710065428 A CN201710065428 A CN 201710065428A CN 106601116 A CN106601116 A CN 106601116A
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- 238000012549 training Methods 0.000 title claims abstract description 45
- 238000004886 process control Methods 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 163
- 239000007788 liquid Substances 0.000 claims abstract description 16
- 238000010438 heat treatment Methods 0.000 claims description 16
- 239000003651 drinking water Substances 0.000 claims description 12
- 235000020188 drinking water Nutrition 0.000 claims description 12
- 230000008859 change Effects 0.000 claims description 4
- 238000011897 real-time detection Methods 0.000 claims description 3
- 230000009467 reduction Effects 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims 1
- 239000011521 glass Substances 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 description 2
- 239000008400 supply water Substances 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B25/00—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
- G09B25/02—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes of industrial processes; of machinery
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- Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Apparatus For Making Beverages (AREA)
Abstract
The present invention discloses a process control practical training device and a control method thereof. The device comprises a workbench, the upper surface of the workbench is provided with a bottom water storage tank, the upper surface of the workbench around the bottom water storage tank is provided with a water tank support, the upper portion of the water tank support is provided with an upper water tank, and the upper water tank is located at the upper portion of the bottom water storage tank. The quantity of the water tanks is reduced to two, and the water tanks comprises an upper water tank and a bottom water storage tank; the size of each water tank is reduced, the pipeline is simplified, each pipeline employs a transparent organic glass tube convenient to observe, the pipeline interface employs a fast-plug mode , the assembling is convenient, the workbench is movable, a drainage port is arranged at the lower surface of the workbench to facilitate water containing of bucket, and an electrical cabinet is waterproof to save the space and facilitate the ligature with other devices so as to realize the four practical training modes such as the constant voltage, the constant temperature, the constant current and the constant liquid and have a good application prospect.
Description
Technical field
The present invention relates to Industry Control teaching technique field, and in particular to a kind of process control actual training device and its controlling party
Method.
Background technology
At present, process control actual training device realizes process control using 3-5 water tank substantially, and, water tank outlet
Lower position is generally placed, causes water tank many, volume is big, overall process control actual training device height is very high, it has not been convenient to student
Operation and observation, and, pipeline is complicated, it is not easy to safeguard, draining is inconvenient, and influence process controls the teaching matter of actual training device
Amount.
The content of the invention
Technical problem solved by the invention is existing process control actual training device, and water tank is more, and volume is big, and height is very high, no
Facilitate student to operate and observe, road is complicated, it is not easy to safeguard, draining is inconvenient, affect the problem of quality of instruction.The mistake of the present invention
Process control actual training device and its control method,
In order to achieve the above object, the technical solution adopted in the present invention is：
A kind of process control actual training device, it is characterised in that：Including workbench, the worktable upper surface is provided with the next water storage
Case, the worktable upper surface of the next storage tank border is provided with tank bracket, is provided with above the tank bracket
Position water tank, the upper water tank is located at the top of the next storage tank,
The side wall lower section of the next storage tank is connected by drinking-water pipe with the side wall lower section of upper water tank, on the drinking-water pipe
Water pump is connected with, the water pump is provided with filter with the junction of drinking-water pipe, and the drinking-water pipe is near the position of upper water tank
Place is provided with hand control valve,
The side wall top of the next storage tank is connected by overflow pipe with the side wall top of upper water tank, the upper water tank
Also passing ratio valve drain pipe is connected with the next storage tank, and on the proportioning valve drain pipe proportioning valve is provided with,
The lower surface of the workbench is provided with the next storage tank drain valve, the next storage tank drain valve and the next storage tank
Bottom be connected, the bottom of the upper water tank is provided with its upper water tank drain valve being connected.
A kind of aforesaid process control actual training device, it is characterised in that：Water pump top below the hand control valve is also
Pressure transducer is installed, above the hand control valve effusion meter is also equipped with.
A kind of aforesaid process control actual training device, it is characterised in that：The top of the upper water tank is provided with liquidometer,
Temperature sensor, float switch, heating rod are provided with the upper water tank.
A kind of aforesaid process control actual training device, it is characterised in that：The side of the workbench is provided with electric box, institute
State electric box to be connected with water pump, proportioning valve, pressure transducer, temperature sensor, float switch, heating rod respectively.
A kind of aforesaid process control actual training device, it is characterised in that：The bottom of the workbench is provided with support frame,
The corner of the support frame bottom is mounted on universal wheel, and on each universal wheel service brake is provided with.
Control method based on above-mentioned process control actual training device, it is characterised in that：Comprise the following steps,
Step (A), enables process control actual training device, closes the next storage tank drain valve, after adding water into the next storage tank, lid
The case lid of upper the next storage tank, can respectively carry out constant pressure, constant temperature, constant current, four kinds of practicing models of permanent liquid；
Step（B）If selection carries out constant voltage mode, hand control valve certain angle is opened, by the PLC being connected with electric box
The PID of controller is calculated, and controls pump rotary speed, realizes control hydraulic pressure size, and can manually control the open angle increasing of valve
Plus disturbance；
Step（C）If selection carries out constant temperature mode, the water surface of upper water tank is improved to float switch upper position using water pump
Afterwards, hand control valve is closed, now, PLC controls heating rod work by the voltage regulator controllers in electric box, and leads to
The PID for crossing PLC is calculated, and the coolant-temperature gage in upper water tank design temperature will be added to by heating rod, and waiting temperature is passed
Sensor is detected, when reaching design temperature, stops heating, and temperature sensor will carry out real-time detection, and realize the water in upper water tank
Temperature is constant；
Step（D）If selection carries out constant current mode, hand control valve is fully opened, by the touch screen being connected with electric box
Setting firm discharge value, allows water pump to be supplied water according to setting firm discharge value, when changing present flow rate, is obtained by effusion meter
Real-time flow data feeds back to PLC, is calculated by the PID of PLC, controls the increase or reduction of pump rotary speed,
Change the size of present flow rate, be capable of achieving bottom storage tank and supply water to upper water tank constant current；
Step（E）If selection carries out permanent liquid pattern, hand control valve is fully opened, by the touch screen being connected with electric box
After setting the target level of upper water tank, PLC is calculated by PID, controls pump motor rotating speed to control the next water storage
Case to upper water tank constant current is supplied water, and makes the constant liquid level in upper water tank, reaches target level；If the rotating speed of fixed water pump,
PLC is calculated by PID, adjusts proportioning valve（2）To make upper water tank reach the constant liquid level after target level；
Step（F）, complete any one above-mentioned, two kinds, after three kinds or four kinds of practicing models, upper water tank drain valve is beaten
Open, the water in upper water tank is emitted into into lower water tank, terminate practice-training teaching.
The control method of aforesaid process control actual training device, it is characterised in that：Step (A), the height for adding water is
260cm。
The control method of aforesaid process control actual training device, it is characterised in that：Step（B）, the model of the certain angle
It is trapped among between 30 ° -90 °.
The control method of aforesaid process control actual training device, it is characterised in that：Step（F）, terminate practice-training teaching, for a long time
When not using, lower water tank drain valve need to be opened, empty the water in upper water tank, two water tanks of lower water tank.
The invention has the beneficial effects as follows：The process control actual training device and its control method of the present invention, reduces water tank quantity
It is respectively upper water tank and lower water tank to two, reduces the volume of water tank, pipeline simplifies, and each pipeline is using transparent organic
Glass tubing is easy to observation, and using slotting mode soon at pipe interface, easy to assembly, workbench may move, and discharge outlet is in workbench
Lower surface, facilitates bucket water receiving, electric box（Water proof type）Installation site, save space is convenient to carry out line, energy with other equipment
Constant pressure, constant temperature, constant current, four kinds of practicing models of permanent liquid are enough realized, is had a good application prospect.
Description of the drawings
Fig. 1 is the structural representation of the process control actual training device of the present invention.
The implication of labelling is as follows in accompanying drawing：
1：Upper water tank；2：Proportioning valve；3：Proportioning valve drain pipe；4：Tank bracket；5：The next storage tank；6：Workbench；7：Electricity
Gas tank；8：The next storage tank drain valve；9：Drinking-water pipe；10：Upper water tank drain valve；11：Filter；12：Water pump；13：Pressure
Sensor；14：Hand control valve；15：Effusion meter；16：Overflow pipe；17：Temperature sensing；18：Liquidometer；19：Float switch；
20：Heating rod；21：Support frame；22:Universal wheel.
Specific embodiment
Below in conjunction with Figure of description, the present invention is further illustrated.
As shown in figure 1, the process control actual training device of the present invention, including workbench 6, the setting of the upper surface of the workbench 6
The upper surface of workbench 6 for having the next storage tank 5, the border of the next storage tank 5 is provided with tank bracket 4, the tank bracket 4
Top upper water tank 1 is installed, the upper water tank 1 is located at the top of the next storage tank 5,
The side wall lower section of the next storage tank 5 is connected by drinking-water pipe 9 with the side wall lower section of upper water tank 1, described to draw water
Water pump 12 is connected with pipe 9, the water pump 12 is provided with filter 11, prevents impurity from entering water pump with the junction of drinking-water pipe 9
12, affect its normal operation, the drinking-water pipe 9 that hand control valve 14 is installed at the position of upper water tank 1,
The side wall top of the next storage tank 5 is connected by overflow pipe 16 with the side wall top of upper water tank 1, described upper
Water tank 1 is gone back passing ratio valve drain pipe 3 and is connected with the next storage tank 5, and on the proportioning valve drain pipe 3 proportioning valve 2 is provided with,
The lower surface of the workbench 6 is provided with the next storage tank drain valve 8, the next storage tank drain valve 8 and the next storage
The bottom of water tank 5 is connected, and the bottom of the upper water tank 1 is provided with its upper water tank drain valve 10 being connected.
The lower section of the hand control valve 14 is provided with pressure transducer 13, and the top of the hand control valve 14 is also installed
There is effusion meter 15.
The top of the upper water tank 1 is provided with liquidometer 18, be provided with the upper water tank 1 temperature sensor 17,
Float switch 19, heating rod 20.
The side of the workbench 6 is provided with electric box 7, the electric box 7 can waterproof, respectively with water pump 12, ratio
Valve 2, pressure transducer 13, temperature sensor 17, float switch 19, heating rod 20 are connected.
The bottom of the workbench 6 is provided with support frame 21, and the corner of the bottom of the support frame 21 is mounted on ten thousand
To wheel 22, service brake is provided with each universal wheel 22, is easy to movement, the convenient needs according to teaching to be placed.
Each pipeline of the present invention adopts transparent organic glass pipe, is easy to observation, using slotting mode soon, group at pipe interface
Dress is convenient.
Based on the control method of above-mentioned process control actual training device, comprise the following steps,
Step（A）, process control actual training device is enabled, the next storage tank drain valve is closed, after adding water into the next storage tank 5,
The case lid of the next storage tank 5 is covered, the height for adding water is 260cm, can respectively carry out constant pressure, constant temperature, constant current, four kinds of real trainings of permanent liquid
Pattern；
Step（B）If selection carries out constant voltage mode, the certain angle of hand control valve 14 is opened, here the scope of certain angle
Between 30 ° -90 °, calculated by the PID of the PLC being connected with electric box 7, control the rotating speed of water pump 12, realize control water
Pressure size, and can manually control the open angle increase disturbance of valve 14；
Step（C）If selection carries out constant temperature mode, the water surface of upper water tank 1 is improved to float switch 19 using water pump 12
Behind the position of face, hand control valve 14 is closed, now, PLC controls heating rod by the voltage regulator controllers in electric box 7
20 work, and calculated by the PID of PLC, setting temperature will be added to the coolant-temperature gage in upper water tank 1 by heating rod 20
Degree, waiting temperature sensor 17 is detected, when reaching design temperature, stops heating, and temperature sensor 17 will carry out real-time detection, real
Water temperature in existing upper water tank 1 is constant；
Step（D）If selection carries out constant current mode, hand control valve 14 is fully opened, by the touch being connected with electric box 7
Screen setting firm discharge value, allows water pump 12 to be supplied water according to setting firm discharge value, when changing present flow rate, by effusion meter
15 acquisition real-time flow datas feed back to PLC, and the PID of PLC is calculated, control the rotating speed of water pump 12 increase or
Reduce, change the size of present flow rate, be capable of achieving bottom storage tank 5 and supply water to the constant current of upper water tank 1；
Step（E）If selection carries out permanent liquid pattern, hand control valve 14 is fully opened, by the touch being connected with electric box 7
After the target level of the upper water tank 1 of screen setting, PLC is calculated by PID, controls the motor speed of water pump 12 to control bottom
Storage tank 5 to the constant current of upper water tank 1 is supplied water, and makes the constant liquid level in upper water tank 1, reaches target level；If fixed water pump 12
Rotating speed, then PLC calculated by PID, it is permanent to make upper water tank 1 reach the liquid level after target level to adjust proportioning valve 2
It is fixed；
Step（F）, complete any one above-mentioned, two kinds, after three kinds or four kinds of practicing models, by upper water tank drain valve 10
Open, the water in upper water tank 1 is emitted into into lower water tank 5, terminate practice-training teaching, when not using for a long time, need to be by lower water tank
Drain valve 8 is opened, and empties the water in upper water tank 1,5 two water tanks of lower water tank.
The process control actual training device and its control method of the present invention, reduces water tank quantity to two, is respectively upper water
Case and lower water tank, reduce the volume of water tank, and pipeline simplifies, and volume ratio like product reduces 1-2 times, and needed raw material is also big
Big to reduce, low manufacture cost, each pipeline is easy to observation using transparent organic glass pipe, using slotting mode soon at pipe interface,
Easy to assembly, workbench may move, and discharge outlet facilitates bucket water receiving, electric box in the lower surface of workbench（Water proof type）Install
Position, save space is convenient to carry out line with other equipment, can realize constant pressure, constant temperature, constant current, four kinds of practicing models of permanent liquid,
Have a good application prospect, cross control actual training device and adopt modular design method, simple structure is easy to assembly quick, convenient
Curstomer's site assembling is used, and saves occupation of land space, also possesses the process control real training function of a complete set；Using standard interface not only
Can be overlapped with other control system, moreover it is possible to have a style of one's own through expansion.The present invention's crosses control actual training device as a work(
Can module, can be connected with the PLC in other industrial control systems, converter, input/output module etc.
Connect, constitute an infant industry control system that can be flexible and changeable, only client does not save purchase cost, moreover it is possible to expansion equipment work(
Service efficiency and can be improved.
The ultimate principle and principal character and advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel it should be appreciated that the present invention is not restricted to the described embodiments, the simply explanation described in above-described embodiment and description this
The principle of invention, without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, these changes
Change and improvement is both fallen within scope of the claimed invention.The claimed scope of the invention by appending claims and its
Equivalent thereof.
Claims (9)
1. a kind of process control actual training device, it is characterised in that：Including workbench（6）, the workbench（6）Upper surface is provided with
The next storage tank（5）, the next storage tank（5）The workbench of border（6）Upper surface is provided with tank bracket（4）, the water
Box bracket（4）Top upper water tank is installed（1）, the upper water tank（1）Positioned at the next storage tank（5）Top,
The next storage tank（5）Side wall lower section pass through drinking-water pipe（9）With upper water tank（1）Side wall lower section be connected, institute
State drinking-water pipe（9）On be connected with water pump（12）, the water pump（12）With drinking-water pipe（9）Junction be provided with filter（11）,
The drinking-water pipe（9）Near upper water tank（1）Position at hand control valve is installed（14）,
The next storage tank（5）Side wall top pass through overflow pipe（16）With upper water tank（1）Side wall top be connected, institute
State upper water tank（1）Also passing ratio valve drain pipe（3）With the next storage tank（5）It is connected, the proportioning valve drain pipe（3）On
It is provided with proportioning valve（2）,
The workbench（6）Lower surface be provided with the next storage tank drain valve（8）, the next storage tank drain valve（8）With
The next storage tank（5）Bottom be connected, the upper water tank（1）Bottom be provided with its upper water tank drain valve being connected
（10）.
2. a kind of process control actual training device according to claim 1, it is characterised in that：The hand control valve（14）Under
The water pump of side（12）Top is also equipped with pressure transducer（13）, the hand control valve（14）Top be also equipped with effusion meter
（15）.
3. a kind of process control actual training device according to claim 1, it is characterised in that：The upper water tank（1）It is upper
Portion is provided with liquidometer（18）, the upper water tank（1）Inside it is provided with temperature sensor（17）, float switch（19）, heating rod
（20）.
4. a kind of process control actual training device according to claim 1-3, it is characterised in that：The workbench（6）One
Side is provided with electric box（7）, the electric box（7）Respectively with water pump（12）, proportioning valve（2）, pressure transducer（13）, temperature pass
Sensor（17）, float switch（19）, heating rod（20）It is connected.
5. a kind of process control actual training device according to claim 4, it is characterised in that：The workbench（6）Bottom
It is provided with support frame（21）, the support frame（21）The corner of bottom is mounted on universal wheel（22）, each universal wheel（22）
On be provided with service brake.
6. the control method of the process control actual training device according to any one of claim 1-5, it is characterised in that：Including with
Lower step,
Step（A）, process control actual training device is enabled, the next storage tank drain valve is closed, to the next storage tank（5）Inside add water
Afterwards, the next storage tank is covered（5）Case lid, can respectively carry out constant pressure, constant temperature, constant current, permanent four kinds of practicing models of liquid；
Step（B）If selection carries out constant voltage mode, opens hand control valve（14）Certain angle, by with electric box（7）Phase
The PID of PLC even is calculated, and controls water pump（12）Rotating speed, realizes control hydraulic pressure size, and can manually control valve
（14）Open angle increase disturbance；
Step（C）If selection carries out constant temperature mode, using water pump（12）By upper water tank（1）The water surface improve to float switch
（19）After upper position, hand control valve is closed（14）, now, PLC passes through electric box（7）In voltage regulator controllers come
Control heating rod（20）Work, and calculated by the PID of PLC, by heating rod（20）Will be upper water tank（1）Interior
Coolant-temperature gage adds to design temperature, waiting temperature sensor（17）Detection, when reaching design temperature, stops heating, temperature sensor
（17）Real-time detection will be carried out, upper water tank will be realized（1）Interior water temperature is constant；
Step（D）If selection carries out constant current mode, by hand control valve（14）Fully open, by with electric box（7）Connected
Touch screen sets firm discharge value, allows water pump（12）Supplied water according to setting firm discharge value, when present flow rate need to be changed, passed through
Effusion meter（15）Real-time flow data feedback PLC is obtained, is calculated by the PID of PLC, control water pump（12）Rotating speed
Increase or reduction, change present flow rate size, be capable of achieving bottom storage tank（5）To upper water tank（1）Constant current is supplied water；
Step（E）If selection carries out permanent liquid pattern, by hand control valve（14）Fully open, by with electric box（7）Connected
Touch screen sets upper water tank（1）Target level after, PLC by PID calculate, control water pump（12）Motor speed comes
The next storage tank of control（5）To upper water tank（1）Constant current is supplied water, and makes upper water tank（1）Interior constant liquid level, reaches target liquid
Position；If fixed water pump（12）Rotating speed, then PLC by PID calculate, adjust proportioning valve（2）To make upper water tank（1）Reach
Constant liquid level to after target level；
Step（F）, complete any one above-mentioned, two kinds, after three kinds or four kinds of practicing models, by upper water tank drain valve
（10）Open, by upper water tank（1）Interior water is emitted into lower water tank（5）, terminate practice-training teaching.
7. the control method of process control actual training device according to claim 6, it is characterised in that：Step（A）, add water
Highly it is 260cm.
8. the control method of process control actual training device according to claim 6, it is characterised in that：Step（B）, described one
Determine the scope of angle between 30 ° -90 °.
9. the control method of process control actual training device according to claim 6, it is characterised in that：Step（F）, terminate real
Training teaching, when not using for a long time, need to be by lower water tank drain valve（8）Open, empty upper water tank（1）, lower water tank（5）Two
Water in water tank.
Priority Applications (1)
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|---|---|---|---|
| CN201710065428.8A CN106601116A (en) | 2017-02-06 | 2017-02-06 | Process control practical training device and control method thereof |
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|---|---|---|---|
| CN201710065428.8A CN106601116A (en) | 2017-02-06 | 2017-02-06 | Process control practical training device and control method thereof |
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ID=58585603
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110610646A (en) * | 2019-10-14 | 2019-12-24 | 佛山科学技术学院 | Waterwheel model for teaching |
| CN112328818A (en) * | 2020-10-15 | 2021-02-05 | 费斯托教学股份有限公司 | Wastewater simulation treatment device and installation error and correction recognition system thereof |
| CN112396938A (en) * | 2020-10-15 | 2021-02-23 | 费斯托教学股份有限公司 | Waste water transportation simulation device and working condition simulation display system thereof |
| CN112435557A (en) * | 2020-10-15 | 2021-03-02 | 费斯托教学股份有限公司 | Membrane filtration simulation device and control system thereof |
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Application publication date: 20170426 |