CN212516253U - Hydrostatic experimental device capable of being controlled by computer - Google Patents
Hydrostatic experimental device capable of being controlled by computer Download PDFInfo
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- CN212516253U CN212516253U CN202021279622.XU CN202021279622U CN212516253U CN 212516253 U CN212516253 U CN 212516253U CN 202021279622 U CN202021279622 U CN 202021279622U CN 212516253 U CN212516253 U CN 212516253U
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Abstract
The utility model provides a hydrostatic experimental apparatus that can computer control. The method comprises the following steps: big water tank, little water tank, sluicing step-down solenoid valve, intercommunication atmosphere solenoid valve, sealed water tank solenoid valve, level gauge, laboratory bench, camera, force (forcing) pump, vacuum gauge, pressure transmitter, U type piezometer pipe, communicating pipe, vacuum piezometer pipe, PLC control system and touch-sensitive screen computer. The PLC control system is used for soft control of starting and stopping of the air pump and opening and closing or opening adjustment of a soft control valve, and a pressure transmitter and an electronic liquid level meter behind the PLC control system are combined for automatic detection and recording of relevant hydraulic parameters; the camera is used for monitoring the real running condition of the experiment in a computer; the touch screen computer is connected with the PLC and is used for displaying and implementing soft control, data storage and program carrier and camera calling related to the PLC; the utility model provides a colleges and universities set up the relevant problem that hydrostatic test exists, not accurate like manually operation, the record data is not timely.
Description
Technical Field
The utility model relates to an education and teaching and industrial control technical field especially relate to a hydrostatic test device that can computer control.
Background
At present, the scientific water supply and drainage and engineering major of colleges and universities in China generally need to set up related professional experiments, including hydrostatic experiments and the like. The experimental equipment at the present stage generally comprises a water tank, a pressure measuring pipe, a pressurizing and inflating ball, a valve and the like. In the operation process of the hydraulics experiment, experimental result data are obtained through an electromagnetic valve, a pressure transmitter, a liquid level meter and the like which are arranged on the equipment.
At present, the domestic hydrostatic experiment platforms can be classified into two types: firstly, the students manually carry out experimental operation. Because the actual operation must be operated according to the experimental instruction, the influence of various factors is eliminated, and the inevitable system error exists in the experiment, multiple experiments are needed to obtain accurate experimental results, but in the actual operation, the multiple experiments are difficult to obtain the accurate experimental results; there are also experimental phenomena that do not facilitate close-up observation.
The other is a remote virtual simulation experiment scheme based on the internet, which mainly adopts a software simulation experiment platform to carry out online simulation or virtual experiment, the experiment phenomena and data of the scheme are obtained by software calculation under an ideal condition, the experiment environment is completely virtualized by software, the due authenticity in the experiment process is not available, the experiment process is solidified, various interference factors and errors existing in the actual condition cannot be simulated, the experiment process is convenient to know, the experiment effect is difficult to be compared with the real experiment, and the cultivation of the innovation ability and problem discovery consciousness of students is unfavorable.
Disclosure of Invention
An object of the utility model is to solve the defect that above-mentioned prior art exists, provide one kind and rely on the hydrostatic test device that the computer controlled, solve manual control not accurate, data record untimely and some inconvenient experimental phenomena scheduling problems that are close to the observation.
The computer-manipulable hydrostatic test device comprises: big water tank, little water tank, sluicing step-down solenoid valve, intercommunication atmosphere solenoid valve, sealed water tank solenoid valve, level gauge, laboratory bench, camera, force (forcing) pump, vacuum gauge, pressure transmitter, U type piezometer pipe, communicating pipe, vacuum piezometer pipe, PLC control system and touch-sensitive screen computer.
The PLC control system controls the signal input and output of the touch screen computer, and the opening and closing of the pressure pump, the vacuum pump and the camera; the PLC control system acquires the opening degree of the electromagnetic valve; and on-line monitoring data of the pressure transmitter, the electronic liquid level meter and the like are acquired through a signal line.
The big water tank is communicated with the U-shaped pressure measuring pipe, the communicating pipe, the pressure measuring pipe and the vacuum pressure measuring pipe, and the upper part of the big water tank is connected with the electromagnetic valve, the pressure pump and the vacuum pump so as to be conveniently connected with the atmosphere and increase or decrease the air pressure in the water tank.
Electronic liquid level meters for collecting liquid level information are arranged in the pressure measuring pipe and the large water tank; the vacuum piezometer tube is provided with a vacuum meter and a pressure transmitter to acquire the pressure change and the numerical value in the vacuum piezometer tube in real time.
Further, as the hydrostatic experimental apparatus which can be controlled by a computer, the big water tank is provided with: a balanced air pressure electromagnetic valve and an air pump; the pressure measuring pipe is provided with: electronic level gauge, vacuum gauge, pressure transmitter.
The electromagnetic valve controls the opening degree of the electromagnetic valve through a PLC control system to adjust the flow.
The pressure transmitter is used for monitoring the pressure difference data in the pressure measuring meter on line.
The electronic liquid level meter monitors flow on line and feeds data back to the PLC control system, so that error analysis can be conveniently carried out on the data obtained by experimental observation.
Furthermore, the hydrostatic experimental device capable of being controlled by the computer comprises a PLC control system for controlling the touch screen computer, each data acquisition device and the camera.
The PLC control system controls the signal input and output of the touch screen computer, and the opening and closing of the pressure pump, the vacuum pump and the camera; the PLC control system acquires the opening degree of the electromagnetic valve; and on-line monitoring data of the pressure transmitter, the electronic liquid level meter and the like are acquired through a signal line.
The touch screen computer is used for receiving the online monitoring data transmitted by the PLC control system and displaying an operation interface, so that the touch screen control operation device is realized.
The camera is used for observing experimental phenomena through a computer, and the focal length of the lens can be controlled and adjusted through software to observe some experimental phenomena which are inconvenient to approach and observe.
Furthermore, the hydrostatic experimental device which can be controlled by the computer comprises 1 large water tank, and the rest pressure measuring pipes are directly connected with the water tank to measure pressure data in real time.
Further, as the hydrostatic experimental apparatus which can be controlled by a computer, the big water tank is provided with: an electronic liquid level meter, an upper electromagnetic valve, a lower electromagnetic valve, a pressure pump and a vacuum pump.
Further, the above mentioned experimental apparatus of venturi flowmeter capable of being operated by computer, the vacuum test tube is installed with: pressure transmitter, vacuum gauge, electronic level gauge.
Has the advantages that:
the utility model provides a but hydrostatic experimental apparatus that computer controlled relies on relevant laboratory glassware such as hydrostatic experimental apparatus, PLC control system, touch-sensitive screen computer and camera, changes manually operation equipment, manual record data into through accurate operation of computer, automatic record data etc. has improved the efficiency of experiment.
Drawings
Fig. 1 is a schematic structural view of the hydrostatic experimental apparatus controllable by a computer.
The labels in the figure are: 1-big water tank; 2-a small water tank; 3-1-a water-draining pressure-reducing electromagnetic valve; 3-2-an atmospheric electromagnetic valve; 3-3-sealing the electromagnetic valve of the water tank; 4-a liquid level meter; 5-a laboratory bench; 6-a camera; 7-a pressure pump; 8-a vacuum pump; 9-vacuum meter; 10-a pressure transmitter; 11-U type piezometric tube; 12-a communicating tube; 13-vacuum piezometer tube; 14-piezometric tube; 15-touch screen computer; and 16-a PLC control system.
Fig. 2 is a schematic diagram of the hydrostatic experimental apparatus controllable by computer.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention are clearly and completely described below, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Example (b):
FIG. 1 is a schematic structural view of a computer-controlled hydrostatic testing apparatus according to the present invention; as shown in fig. 1, the computer-controlled hydrostatic testing apparatus comprises: the device comprises a large water tank 1, a small water tank 2, a water draining and pressure reducing electromagnetic valve 3-1, an atmosphere communicating electromagnetic valve 3-2, a sealed water tank electromagnetic valve 3-3, a liquid level meter 4, an experiment table 5, a camera 6, a booster pump 7, a vacuum pump 8, a vacuum meter 9, a pressure transmitter 10, a U-shaped pressure measuring pipe 11, a communicating pipe 12, a vacuum pressure measuring pipe 13, a pressure measuring pipe 14, a touch screen computer 15 and a PLC control system 16.
The PLC control system 16 controls the signal input and output of the touch screen computer 15 and the opening and closing of the pressure pump 7, the vacuum pump 8 and the camera 6; the PLC control system 16 collects online monitoring data transmitted by the electromagnetic valve 3, the pressure transmitter 10, the electronic liquid level meter 4 and the like through signal lines.
The big water tank 1 is communicated with a U-shaped pressure measuring pipe 11, a communicating pipe 12, a pressure measuring pipe 14 and a vacuum pressure measuring pipe 13, and the upper part of the big water tank 1 is connected with an atmosphere communicating electromagnetic valve 3-2, a pressure pump 7 and a vacuum pump 8 so as to be connected with the atmosphere and increase or decrease the pressure in the water tank
An electronic liquid level meter 4 for collecting information is arranged in the pressure measuring pipe 14 and the large water tank 1; the vacuum pressure measuring pipe 13 is provided with a vacuum meter 9 and a pressure transmitter 10 to acquire pressure change and numerical value in the vacuum test pipe 13 in real time.
In order to accurately measure various parameters of the water inlet pipeline, the large water tank 1 is provided with: a water draining and pressure reducing electromagnetic valve 3-1, an electromagnetic valve 3-2 communicated with the atmosphere, a booster pump 7 and a vacuum pump 8; the pressure measuring pipe 14 is provided with: electronic level gauge 4, vacuum gauge 9, pressure transmitter 10.
Preferably, the embodiment of the utility model provides a but computer-controlled's hydrostatic test device includes 1 big water tank 1, and all the other each piezometric tube 14 all directly links to each other with big water tank 1, surveys pressure value in real time.
In order to accurately measure various parameters on the water return pipeline, the vacuum piezometer tube is provided with: pressure transmitter 10, vacuum gauge 9, electronic level gauge 4.
The experimental operation platform and the computer measurement and control system are used for testing a hydrostatic basic equation, measuring test parameters such as a piezometer pipe water head C and a liquid level delta h in a water tank, printing a test report and analyzing an experimental result. The system can complete the Venturi flowmeter experiment project.
The hydrostatic experimental device which can be controlled by a computer comprises a large water tank 1 which is arranged below an experimental table, wherein the upper part of the bottom of the large water tank 1 is provided with a vent nozzle, and an electromagnetic valve 3-2 communicated with the atmosphere is arranged on the vent nozzle; the lower part of the large water tank 1 is provided with a water outlet nozzle which is provided with a water drainage pressure reduction electromagnetic valve 3-1 for reducing the air pressure in the tank, and a vacuum piezometer tube 13 which is connected with the large water tank 1 is provided with a sealed water tank electromagnetic valve 3-3 and a pressure transmitter 10; the air pressure change in the large water tank 1 is controlled by adjusting the air pump, the opening of the water draining pressure reducing electromagnetic valve 3-1, the communicated atmospheric electromagnetic valve 3-2 and the sealed water tank electromagnetic valve 3-3 is controlled by the PLC control system 16 to adjust, and the air pressure in the large water tank 1 is changed.
Fig. 2 is a schematic diagram of the computer-controlled hydrostatic testing apparatus according to the present invention.
The PLC control system 16 is connected with an execution device through a signal line; the data acquisition device and the image acquisition equipment are connected with the PLC control system 16 through signal lines;
the PLC control system 16 controls the operation and stop of the execution equipment through a signal line; and simultaneously, the information obtained by the data acquisition device and the image acquisition equipment is transmitted to the touch screen computer 15 through a signal line.
The display screen of the touch screen computer 15 and the operation equipment are respectively connected with the PLC control system 16 through signal lines.
The execution equipment comprises an air inlet, an air inlet valve, an air pump, a water outlet valve and a water outlet.
The execution equipment, the data acquisition equipment and the image acquisition equipment are respectively connected with the PLC control system 16 in a signal wire communication mode.
The data acquisition device comprises a pressure transmitter 10: the pressure transmitter 10 monitors a water head of a piezometer tube 14 of the large water tank 1 on line; electronic liquid level meter 4: the electronic liquid level meter 4 monitors the liquid level of each piezometer tube 14 on line;
the image acquisition equipment comprises but not limited to a camera 6, the camera 6 is fixed on a support of a hydrostatic experimental device capable of being operated by a computer, the support of the hydrostatic experimental device is connected with the PLC control system 16, students can monitor the running state of the experiment in the computer, and the focus of the camera 6 can be adjusted through software operation to observe the experiment phenomenon inconvenient to approach.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (4)
1. A computer-operable hydrostatic test apparatus, comprising: the device comprises a large water tank (1), a small water tank (2), a water drainage and pressure reduction electromagnetic valve (3-1), an atmosphere communicating electromagnetic valve (3-2), a sealed water tank electromagnetic valve (3-3), a liquid level meter (4), an experiment table (5), a camera (6), a pressure pump (7), a vacuum pump (8), a vacuum meter (9), a pressure transmitter (10), a U-shaped pressure measuring pipe (11), a communicating pipe (12), a vacuum pressure measuring pipe (13), a pressure measuring pipe (14), a touch screen computer (15) and a PLC control system (16);
the PLC control system (16) controls the signal input and output of the touch screen computer (15), and the opening and closing of the pressure pump (7), the vacuum pump (8) and the camera (6); the PLC control system (16) collects online monitoring data transmitted by a water drainage pressure reduction electromagnetic valve (3-1), an atmosphere communicating electromagnetic valve (3-2), a sealed water tank electromagnetic valve (3-3), a pressure transmitter (10) and an electronic liquid level meter (4) through signal lines;
the large water tank (1) is communicated with a U-shaped pressure measuring pipe (11), a communicating pipe (12), a pressure measuring pipe (14) and a vacuum pressure measuring pipe (13), and the upper part of the large water tank (1) is connected with an atmosphere communicating electromagnetic valve (3-2), a pressure pump (7) and a vacuum pump (8) so as to be connected with the atmosphere and increase or decrease the air pressure in the water tank;
an electronic liquid level meter (4) for collecting information is arranged in the pressure measuring pipe (14) and the large water tank (1); the vacuum pressure measuring pipe (13) is provided with a vacuum meter (9) and a pressure transmitter (10) to acquire pressure change and numerical value in the vacuum pressure measuring pipe (13) in real time.
2. The computer-manipulable hydrostatic test apparatus according to claim 1, wherein the large water tank (1) is provided with: a water drainage pressure reduction electromagnetic valve (3-1), an electromagnetic valve (3-2) communicated with the atmosphere, a pressure pump (7) and a vacuum pump (8); the pressure measuring pipe (14) is provided with: the device comprises an electronic liquid level meter (4), a vacuum meter (9) and a pressure transmitter (10);
the touch screen computer (15) is used for receiving online monitoring data transmitted by the PLC control system (16) and displaying an operation interface, so that a touch screen control operation device is realized;
the camera (6) is used for observing experimental phenomena through a computer, and the focal length of the lens can be controlled and adjusted through software to observe some experimental phenomena which are inconvenient to approach and observe;
the pressure transmitter (10) is used for monitoring pressure data in the vacuum piezometer tube (13) on line;
the electronic liquid level meter (4) monitors flow on line and feeds data back to the PLC control system (16), so that error analysis can be conveniently carried out on the data obtained by experimental observation.
3. The computer-controlled hydrostatic test apparatus according to claim 1, comprising 1 large water tank (1), wherein the pressure measuring tubes (14) are directly connected to the large water tank (1) for measuring pressure data in real time.
4. The computer-manipulable hydrostatic test apparatus according to claim 1, wherein the large water tank (1) is provided with: the device comprises an electronic liquid level meter (4), a water draining and pressure reducing electromagnetic valve (3-1), an atmosphere communicating electromagnetic valve (3-2), a pressure pump (7) and a vacuum pump (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021279622.XU CN212516253U (en) | 2020-07-02 | 2020-07-02 | Hydrostatic experimental device capable of being controlled by computer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021279622.XU CN212516253U (en) | 2020-07-02 | 2020-07-02 | Hydrostatic experimental device capable of being controlled by computer |
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| Publication Number | Publication Date |
|---|---|
| CN212516253U true CN212516253U (en) | 2021-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021279622.XU Active CN212516253U (en) | 2020-07-02 | 2020-07-02 | Hydrostatic experimental device capable of being controlled by computer |
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| CN (1) | CN212516253U (en) |
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- 2020-07-02 CN CN202021279622.XU patent/CN212516253U/en active Active
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