CN214705038U - Process control practical training platform - Google Patents
Process control practical training platform Download PDFInfo
- Publication number
- CN214705038U CN214705038U CN202121304323.1U CN202121304323U CN214705038U CN 214705038 U CN214705038 U CN 214705038U CN 202121304323 U CN202121304323 U CN 202121304323U CN 214705038 U CN214705038 U CN 214705038U
- Authority
- CN
- China
- Prior art keywords
- water
- water tank
- operation box
- tank
- electrically connected
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
A process control practical training platform relates to the technical field of instruments and meters, wherein a high liquid level switch is arranged on the upper part of the side wall of an upper water tank and is electrically connected with an operation box; the differential pressure liquid level transmitter is arranged on the lower part of the side wall of the upper water tank and is electrically connected with the operation box; the upper water tank water return pipeline is communicated with the upper water tank and the lower water tank; the low liquid level switch is arranged at the lower part of the side wall of the lower water tank and is electrically connected with the operation box; the sewage discharge pipe is communicated with the lower part of the side wall of the water storage tank; the variable frequency water pump is fixed on the lower frame of the aluminum section tabletop and is electrically connected with the operation box; the water suction hand valve is arranged on a water suction pipeline which is communicated and connected with the water storage tank at the water inlet port of the variable frequency water pump; the water inlet pipeline is communicated with the water outlet port connecting the upper water tank and the variable frequency water pump; the pressure transmitter is arranged on the water inlet pipeline and is electrically connected with the operation box. It can heat and control the temperature to water, and variable frequency's water pump makes the adjustable effectual of whole real standard in-process water pump.
Description
Technical Field
The utility model relates to an instrument and meter technical field, concretely relates to real standard platform of process control.
Background
The instrument and process training device is experimental equipment used for deepening understanding of students and improving the practical and functional capability of the students in the teaching process. The existing process training device has no heating system and cannot realize temperature detection and control in thermal parameters; and the water pump can not change frequency, and the control and regulation effect is not good.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to prior art's defect and not enough, provide a real standard platform of process control, it can heat and accuse temperature water, and the water pump of variable frequency makes the adjustable effectual of whole real standard in-process water pump.
In order to achieve the above purpose, the utility model adopts the following technical proposal: the aluminum profile water tank comprises an upper water tank, an aluminum profile tabletop, an operation box, a water storage tank and a lower water tank; an upper water tank and a lower water tank are fixed on the table top of the aluminum section table top by utilizing a high bracket and a low bracket respectively, and a water storage tank is fixed at the lower part of the table top of the aluminum section table top; the operation box is fixed on the aluminium alloy desktop, and it still contains:
the high liquid level switch is arranged on the upper part of the side wall of the upper water tank and is electrically connected with the operation box;
the pressure difference liquid level transmitter is arranged on the lower part of the side wall of the upper water tank and is electrically connected with the operation box;
the upper water tank water return pipeline is communicated with the upper water tank and the lower water tank;
the low liquid level switch is arranged at the lower part of the side wall of the lower water tank and is electrically connected with the operation box;
the sewage discharge pipe is communicated and connected with the lower part of the side wall of the water storage tank;
the variable-frequency water pump is fixed on the lower frame of the aluminum section tabletop and is electrically connected with the operation box;
the water suction hand valve is arranged on a water suction pipeline which is communicated and connected with the water storage tank at the water inlet port of the variable frequency water pump;
the water inlet pipeline is communicated with the water outlet port connecting the upper water tank and the variable frequency water pump;
the pressure transmitter is arranged on the water inlet pipeline and is electrically connected with the operation box;
the lower water tank overflow pipe is communicated with the lower water tank and the water storage tank;
the lower water tank water return pipe is communicated with the lower water tank and the water storage tank;
the upper water tank water return hand valve is arranged on the upper water tank water return pipeline;
the heater is arranged in the lower water tank and is electrically connected with the operation box;
the water inlet hand valve is arranged on a water inlet pipeline positioned above the pressure transmitter;
the flow transmitter is arranged on a water inlet pipeline positioned above the water inlet hand valve and is electrically connected with the operation box;
the temperature transmitter is arranged on the lower part of the side wall of the lower water tank and is electrically connected with the operation box;
the upper water tank overflow pipe is communicated with the upper water tank and the water storage tank;
the lower water tank water return hand valve is arranged on a lower water tank water return pipe.
Preferably, a tower lamp is fixed on the aluminum profile tabletop and is electrically connected with the operation box.
Preferably, a mesh plate is fixed to one side face of the lower frame of the aluminum profile desktop, a socket, a PLC and a switch are fixed to the mesh plate, and the PLC and the switch are electrically connected with a circuit board in the operation box.
Compared with the prior art, the beneficial effects of the utility model are that: the invention provides a process control practical training platform which can heat and control temperature of water, and a variable-frequency water pump enables the water pump to be good in adjustable effect in the whole practical training process.
Description of the drawings:
fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a front view of the present invention.
Fig. 3 is a top view of fig. 2.
Fig. 4 is a left side view of fig. 2.
Description of reference numerals:
the device comprises an upper water tank 1, a high liquid level switch 2, a differential pressure liquid level transmitter 3, an upper water tank return pipeline 4, an aluminum profile tabletop 5, an operation box 6, a tower lamp 7, a low liquid level switch 8, a water storage tank 9, a sewage discharge pipe 10, a water suction port hand valve 11, a flow transmitter 12, a pressure transmitter 13, a lower water tank overflow pipe 14, a lower water tank return pipe 15, a water inlet pipeline 16, an upper water tank return hand valve 17, a lower water tank 18, a heater 19, a water inlet hand valve 20, a temperature transmitter 21, an upper water tank overflow pipe 22, a mesh plate 23, a variable frequency water pump 24 and a lower water tank return hand valve 25.
The specific implementation mode is as follows:
in the following, the technical solutions of the present invention will be clearly and completely described with reference to the accompanying drawings, and the preferred embodiments in the description are only examples, and all other embodiments obtained by those skilled in the art without any inventive work belong to the scope of the present invention.
As shown in fig. 1 to 4, the following technical solutions are adopted in the present embodiment: the aluminum profile water heater comprises an upper water tank 1, an aluminum profile desktop 5, an operation box 6, a water storage tank 9 and a lower water tank 18; an upper water tank 1 and a lower water tank 18 are respectively fixed on the table top of the aluminum section table top 5 by utilizing a high bracket and a low bracket, and a water storage tank 9 is fixed on the lower part of the table top of the aluminum section table top 5; operation box 6 is fixed on aluminium alloy desktop 5, and it still contains:
the high liquid level switch 2 is arranged on the upper part of the side wall of the upper water tank 1 and is electrically connected with the operation box 6, and when the water level in the upper water tank 1 is high, an alarm is given;
the pressure difference liquid level transmitter 3 is arranged at the lower part of the side wall of the upper water tank 1 and is electrically connected with the operation box 6;
upper water tank return water pipeline 4, upper water tank return water pipeline 4 link up and connect upper water tank 1 and lower water tank 18:
the low liquid level switch 8 is arranged at the lower part of the side wall of the lower water tank 18, is electrically connected with the operation box 6, and alarms and controls the variable frequency water pump 24 to be turned off when the water level in the lower water tank 18 is low, and controls the heater 19 to stop heating at the same time;
the sewage discharge pipe 10 is communicated with the lower part of the side wall of the water storage tank 9;
the variable-frequency water pump 24 is fixed on the lower frame of the aluminum section tabletop 5 and is electrically connected with the operation box 6;
the water suction hand valve 11 is arranged on a water suction pipeline which is communicated and connected with the water storage tank 9 at the water inlet port of the variable frequency water pump 24;
the water inlet pipeline 16 is communicated with the water outlet ports of the upper water tank 1 and the variable frequency water pump 24;
the pressure transmitter 13 is arranged on the water inlet pipeline 16, and is electrically connected with the operation box 6;
a lower water tank overflow pipe 14, wherein the lower water tank overflow pipe 14 is communicated with a lower water tank 18 and a water storage tank 9;
the lower water tank water return pipe 15 is communicated with the lower water tank 18 and the water storage tank 9 through the lower water tank water return pipe 15;
the upper water tank water return hand valve 17 is arranged on the upper water tank water return pipeline 4;
the heater 19 is arranged inside the lower water tank 18, and is electrically connected with the operation box 6;
the water inlet hand valve 20 is arranged on the water inlet pipeline 16 above the pressure transmitter 13, and the water inlet hand valve 20 is arranged on the water inlet pipeline 16;
the flow transmitter 12 is arranged on the water inlet pipeline 16 above the water inlet hand valve 20, and is electrically connected with the operation box 6;
the temperature transmitter 21 is arranged at the lower part of the side wall of the lower water tank 18, and is electrically connected with the operation box 6;
an upper water tank overflow pipe 22, wherein the upper water tank overflow pipe 22 is communicated with the upper water tank 1 and the water storage tank 9;
and the lower water tank water return hand valve 25 is arranged on the lower water tank water return pipe 15.
Preferably, a tower lamp 7 is fixed on the aluminum profile tabletop 5, and the tower lamp 7 is electrically connected with the operation box 6.
Preferably, a mesh plate 23 is fixed on one side surface of the lower frame of the aluminum profile table top 5, and a socket, a PLC and a switch are fixed on the mesh plate 23, and are electrically connected with the circuit board in the operation box 6.
The working principle of the specific embodiment is as follows:
state of various hand valve positions before experiment: the hand valve on the sewage discharge pipe 10 is closed, and the other hand valves are opened; the water storage tank 9 is a water supply tank of the whole system, is provided with a sewage discharge pipe 10, and can be cleaned by opening a hand valve on the sewage discharge pipe 10 at regular time; the lower water tank 18 is used for carrying out a temperature experiment of the system, a power regulator in the heater 19 adjusts the power of the heater 19, the temperature transmitter 21 collects signals, a temperature setting value is set on the touch screen, the PLC collects the signals of the temperature transmitter 21 to calculate a current temperature value, and the PLC controls the pressure regulating module to increase or decrease the power of the heater 19 through PID calculation so as to enable the current temperature value to be equal to the temperature setting value; the upper water tank 1 is used for carrying out a liquid level experiment, controlling the flow of the variable-frequency water pump 24, the flow transmitter 12 collects signals, a flow set value is set on the touch screen, the PLC collects the signals of the flow transmitter 12 to calculate a current flow value, and through PID calculation, the PLC controls the frequency of the variable-frequency water pump 24 to increase or decrease, so that the current flow value is equal to the flow set value; a pressure transmitter 13 is connected to a water inlet pipeline 16, connected with the upper water tank 1, of the variable-frequency water pump 24 and used for performing a pressure experiment and controlling the pressure of the variable-frequency water pump 24, the pressure transmitter 13 collects signals, a pressure set value is set on the touch screen, the PLC collects the signals of the pressure transmitter 13 and calculates a current pressure value, and through PID calculation, the PLC controls the frequency of the variable-frequency water pump 24 to increase or decrease so as to enable the current pressure value and the set pressure value to be equal;
set up a liquid level setting value on the touch-sensitive screen, PLC can gather pressure differential liquid level transmitter 3's signal and calculate the liquid level current value, calculates through PID, and PLC can control frequency conversion water pump 24's frequency increase or reduce, and then makes liquid level current value and liquid level setting value equal, and unnecessary water finally flows into storage water tank 9 from upper water tank 1 and lower water tank 18 respective overflow pipe.
After adopting above-mentioned structure, this embodiment's beneficial effect is as follows:
1. the heater is arranged and can heat and control the temperature of the water;
2. the variable frequency water pump is arranged, so that the water pump in the whole training process is good in adjustable effect;
3. the pressure transmitter, the flow transmitter, the differential pressure liquid level transmitter and the temperature transmitter are arranged, so that the whole device is more intelligently controlled, and the safety of an experiment is ensured.
It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (3)
1. A process control training platform comprises an upper water tank (1), an aluminum section tabletop (5), an operation box (6), a water storage tank (9) and a lower water tank (18); an upper water tank (1) and a lower water tank (18) are respectively fixed on the table top of the aluminum section table top (5) by utilizing a high support and a low support, and a water storage tank (9) is fixed at the lower part of the table top of the aluminum section table top (5); operation box (6) are fixed on aluminium alloy desktop (5), its characterized in that: it also includes:
the high liquid level switch (2) is arranged on the upper part of the side wall of the upper water tank (1) and is electrically connected with the operation box (6);
the pressure difference liquid level transmitter (3) is arranged on the lower portion of the side wall of the upper water tank (1) and is electrically connected with the operation box (6);
the upper water tank water return pipeline (4) is communicated with the upper water tank (1) and the lower water tank (18);
the low liquid level switch (8), the said low liquid level switch (8) is set up in the sidewall inferior part of the lower water tank (18), and electrically controlled with the operation box (6) to connect;
the sewage draining pipe (10), the sewage draining pipe (10) is connected to the lower part of the side wall of the water storage tank (9) in a penetrating way;
the variable-frequency water pump (24) is fixed on the lower frame of the aluminum section tabletop (5) and is electrically connected with the operation box (6);
the water suction hand valve (11) is arranged on a water suction pipeline which is communicated and connected with the water storage tank (9) at the water inlet port of the variable frequency water pump (24);
the water inlet pipeline (16) is communicated with the water outlet ports of the upper water tank (1) and the variable frequency water pump (24);
the pressure transmitter (13) is arranged on the water inlet pipeline (16), and is electrically connected with the operation box (6);
the lower water tank overflow pipe (14), the lower water tank overflow pipe (14) is communicated with the lower water tank (18) and the water storage tank (9);
the lower water tank water return pipe (15), the lower water tank water return pipe (15) is communicated with the lower water tank (18) and the water storage tank (9);
the upper water tank water return hand valve (17), the upper water tank water return hand valve (17) is arranged on the upper water tank water return pipeline (4);
the heater (19) is arranged inside the lower water tank (18) and is electrically connected with the operation box (6);
the water inlet hand valve (20), the water inlet hand valve (20) is arranged on the water inlet pipeline (16) above the pressure transmitter (13);
the flow transmitter (12) is arranged on the water inlet pipeline (16) above the water inlet hand valve (20), and is electrically connected with the operation box (6);
the temperature transmitter (21) is arranged at the lower part of the side wall of the lower water tank (18), and is electrically connected with the operation box (6);
the upper water tank overflow pipe (22), the upper water tank overflow pipe (22) is communicated with the upper water tank (1) and the water storage tank (9);
the lower water tank water return hand valve (25) is arranged on the lower water tank water return pipe (15).
2. The process control training platform according to claim 1, wherein: a tower lamp (7) is fixed on the aluminum section bar desktop (5), and the tower lamp (7) is electrically connected with the operation box (6).
3. The process control training platform according to claim 1, wherein: a mesh plate (23) is fixed to one side face of a lower frame of the aluminum profile desktop (5), a socket, a PLC and a switch are fixed to the mesh plate (23), and the PLC and the switch are electrically connected with a circuit board in the operation box (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121304323.1U CN214705038U (en) | 2021-06-10 | 2021-06-10 | Process control practical training platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121304323.1U CN214705038U (en) | 2021-06-10 | 2021-06-10 | Process control practical training platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214705038U true CN214705038U (en) | 2021-11-12 |
Family
ID=78555619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121304323.1U Active CN214705038U (en) | 2021-06-10 | 2021-06-10 | Process control practical training platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214705038U (en) |
-
2021
- 2021-06-10 CN CN202121304323.1U patent/CN214705038U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110745791A (en) | Nitrogen making machine capable of accurately controlling nitrogen output purity and flow | |
| CN108680050B (en) | Conduction oil heating and cooling system with air cooling function | |
| CN214705038U (en) | Process control practical training platform | |
| CN106601116A (en) | Process control practical training device and control method thereof | |
| CN109925748A (en) | It is a kind of that the liquid degassing device and method of removing gas liquid can be automatically continuously provided | |
| CN207212835U (en) | High-pressure high-flow gas-liquid pulse-control system | |
| CN201730139U (en) | Intelligent water supply device without negative pressure | |
| CN210905044U (en) | Supercritical extraction device for laboratory | |
| CN205965929U (en) | Experiment operating platform of improvement | |
| CN212151744U (en) | Automatic regulator for generator inner cooling water | |
| CN204853836U (en) | Central air conditioning water pump intelligence variable frequency control cabinet | |
| CN102750866B (en) | Variable frequency control dynamic liquid level experiment equipment | |
| CN206618137U (en) | A kind of electronic temperature control valve | |
| CN208952333U (en) | A kind of water replanishing device of circulation | |
| CN202758534U (en) | Frequency converting control dynamic liquid level experiment equipment | |
| CN112128172A (en) | Exhaust device for low-pressure side of oil pump and using method | |
| CN209312327U (en) | A kind of automatic process control actual training device | |
| CN201788181U (en) | Nitrogen blowing type COD digester | |
| CN2863091Y (en) | Water heating and washing device for medical purpose | |
| CN214065782U (en) | Steam-water mixed hot water temperature control system | |
| CN217635052U (en) | Gas storage tank | |
| CN205710942U (en) | A kind of solution for hydro-electrolytic hydroxide mixed gas equipment adds tank automatically | |
| CN104848320A (en) | Flow-changeable and mass-changeable heat-supplying and energy-saving heating unit | |
| CN212112254U (en) | Aging test temperature control device for lithium battery controller | |
| CN220907517U (en) | High-pressure cell culture cabin control device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |