CN212933898U - Self-circulation hydrostatic pressure transfer demonstration experiment system based on sharing education concept - Google Patents
Self-circulation hydrostatic pressure transfer demonstration experiment system based on sharing education concept Download PDFInfo
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- CN212933898U CN212933898U CN202021278141.7U CN202021278141U CN212933898U CN 212933898 U CN212933898 U CN 212933898U CN 202021278141 U CN202021278141 U CN 202021278141U CN 212933898 U CN212933898 U CN 212933898U
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Abstract
The utility model discloses a self-loopa hydrostatic pressure transmission demonstration experimental system based on sharing education theory. The method comprises the following steps: the device comprises a self-circulation hydrostatic pressure transmission demonstration experiment device controlled by a computer, a service manager and a user terminal. The service manager is respectively connected with the self-circulation hydrostatic pressure transmission demonstration experiment device which can be controlled by a computer and the user terminal through the internet. But self-loopa hydrostatic pressure transmission demonstration experimental apparatus that computer was controlled includes: the system comprises a PLC control system, a touch screen computer, a camera, a water inlet electromagnetic valve, a pressure transmitter capable of detecting hydraulic parameters on line and the like. The PLC control system controls the opening and closing of the valve or adjusts the opening degree, and the pressure transmitter combined with the PLC control system automatically monitors related data. The utility model provides a colleges and universities set up the problem that self-loopa hydrostatic pressure transmission demonstration experiment exists, solve the problem that simulation experiment lacks real experience etc. through sharing remote experiment, realize sharing education theory.
Description
Technical Field
The utility model relates to an education and teaching and industrial control technical field especially relate to a self-loopa hydrostatic pressure transmission demonstration experimental system based on sharing education theory.
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, wherein the experiments comprise self-circulation hydrostatic pressure transfer demonstration experiments and the like. The experimental equipment at the present stage generally comprises a closed pressure water tank, a water collecting tank, a pressure transmitter, a siphon pipe, a water pump, a water raising pipe, a spray head and the like. In the operation process of the hydraulics experiment, the experiment result is observed through a pressure transmitter and the like arranged on the equipment.
At the present stage, the internal self-circulation hydrostatic pressure transmission demonstration experiment platform 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, a plurality of experiments are needed for observing the accurate experimental phenomenon, but in the actual operation, the experiment is difficult to be carried out for a plurality of times so as to observe the accurate experimental phenomenon; and in actual practice, it is difficult to observe the variation of experimental results by changing experimental conditions. The colleges and universities who purchase experimental equipment can only provide experimental opportunities for local students, experimental resources cannot be fully utilized, and the experimental process of the local students has the defects of inconvenience, difficulty in observing accurate experimental phenomena and the like, so that related experiments cannot be carried out in areas lacking experimental conditions, students lack actual operation opportunities, and experiment operation capabilities cannot be mastered.
And secondly, an internet-based remote experiment scheme is mainly used for performing online simulation or virtual experiment by adopting a software simulation experiment platform, the experiment phenomenon 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 capability 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 self-loopa hydrostatic pressure transmission demonstration experimental apparatus that the computer controlled, relevant equipment such as internet and user terminal, combine the sharing system that self-loopa hydrostatic pressure transmission demonstration experimental apparatus becomes one, the user develops self-loopa hydrostatic pressure transmission demonstration experiment under true experimental environment and condition.
A self-circulation hydrostatic pressure transfer demonstration experiment system based on sharing education concepts comprises: 1 or more computer-controlled self-circulation hydrostatic pressure transmission demonstration experimental devices, a service manager and 1 or more user terminals.
The self-circulation hydrostatic pressure transmission demonstration experiment device which can be controlled by the computer is connected with the service manager through the internet (wired or wireless); the service manager is connected with the user terminal through the internet (wired or wireless).
The self-circulation hydrostatic pressure transmission demonstration experiment device capable of being controlled by a computer comprises a water supply pipe, a water raising pipe, a spray head, an upper closed pressure water tank, an upper water collecting tank, a siphon pipe, a check valve, a vent pipe, a sewer pipe, a lower closed pressure water tank, an electric control room, a variable frequency pump, a lower water collecting tank, a camera, a pressure transmitter, an electric control console, a water inlet electromagnetic valve, a touch screen computer and a PLC control system.
The variable frequency pump is connected with an upper water collecting tank through a water supply pipe, the upper water collecting tank is connected with a lower closed pressure water tank through a sewer pipe, the gas of the lower closed pressure water tank is connected with an upper closed pressure water tank through a breather pipe, a water raising pipe and a spray head are arranged in the upper closed pressure water tank and extend out of the outside, and the lower closed pressure water tank is connected with a lower water collecting tank through a siphon pipe; the camera and the pressure transmitter are connected with the PLC control system through signal wires (acquisition); the water inlet electromagnetic valve and the electric control platform are connected with the PLC control system through signal wires (control).
The operation process is as follows: after the variable frequency pump is started, water flow is supplied to the upper water collecting tank through a water supply pipe with a water inlet electromagnetic valve, so that water in the upper water collecting tank flows into the lower closed pressure water tank through a sewer pipe, the pressure in the lower closed pressure water tank is increased, gas in the lower closed pressure water tank enters the upper closed pressure water tank through a vent pipe, the pressure in the upper closed pressure water tank is increased, and the water in the upper closed pressure water tank is sprayed out from the spray head through a water lifting pipe; after the lower closed pressure water tank is fully topped, the pressure in the lower closed pressure water tank is increased, and water in the lower closed pressure water tank flows into the lower water collecting tank through a siphon pipe; because the surface pressure in the upper closed pressure water tank and the lower closed pressure water tank is reduced at the same time, the check valve is automatically opened, and the water body of the upper water collecting tank flows into the upper closed pressure water tank. At this time, the water level in the upper water collecting tank is lower than the inlet of the lower water pipe, after the water in the lower closed pressure water tank is drained, the water in the upper water collecting tank gradually flows over the inlet of the lower water pipe under the supply of the variable frequency pump, and then the second water pumping circulation is started. The fall of the upper water collecting tank and the lower closed pressure water tank can be adjusted by controlling the electric control console, and the larger the fall is, the larger the surface pressure of the lower closed pressure water tank and the upper closed pressure water tank is, and the higher the water spraying height is.
Further, as described above, the self-circulation hydrostatic pressure transmission demonstration experiment system based on the shared education concept, the service manager includes a management platform, the management platform includes a login interface of the self-circulation hydrostatic pressure transmission demonstration experiment device which can be controlled by a computer and an interface through which a user logs in and selects a certain self-circulation hydrostatic pressure transmission demonstration experiment device which can be controlled by a computer to carry out related experiments, and the service manager is connected with the self-circulation hydrostatic pressure transmission demonstration experiment device which can be controlled by a computer through the internet (wired or wireless); the service manager is connected to the user terminal via the internet (wired or wireless).
Further, the self-circulation hydrostatic pressure transfer demonstration experiment system based on the shared education concept comprises a user terminal and a user terminal, wherein the user terminal comprises a computer or a mobile phone; the mobile phone or the computer is connected with an operation platform of the service manager through the internet (wired or wireless), and the selected hydrostatic pressure transmission demonstration experiment device which can be controlled by the computer is remotely controlled to complete the hydrostatic pressure transmission demonstration experiment.
Furthermore, the self-circulation hydrostatic pressure transmission demonstration experiment device which can be controlled by the computer has 2 measuring points, and each measuring point is provided with a pressure transmitter; and the measured data are collected and transmitted to the PLC control system, and the data are reflected on the computer touch screen, so that the pressure change of the two closed pressure water tanks is observed.
Has the advantages that:
the utility model provides a self-loopa hydrostatic pressure transmission demonstration experimental system based on sharing education theory relies on relevant laboratory glassware such as internet and sensor, combines the relevant experiment of self-loopa hydrostatic pressure transmission demonstration into a sharing system, carries out the relevant experiment of self-loopa hydrostatic pressure transmission demonstration under real experimental environment and condition, shows the measurement parameter and the experimental phenomenon of requirements such as the pressure of each measurement station in real time at the user side. On the premise of verifying authenticity and operability, results can be output, the experimental process and data can be displayed on a user end in real time by each sensor and the camera thereof, and the user can input relevant data before the experiment on a mobile portable device or a computer through remote control and observe the experimental process and phenomena in real time.
The utility model discloses solved to a certain extent that present colleges and universities set up the relevant problem that self-loopa hydrostatic pressure transmission demonstration experiment exists to rationally utilize the resource, for the relevant professional service of the domestic colleges and universities who lacks this experimental condition, enlarge the crowd scope of benefiting.
Drawings
Fig. 1 is the utility model discloses self-loopa hydrostatic pressure transmission demonstration experimental system's based on sharing education theory schematic diagram.
Fig. 2 is the structure schematic diagram of the self-circulation hydrostatic pressure transmission demonstration experiment device which can be controlled by a computer.
The labels in the figure are: 1-a water supply pipe; 2-a water raising pipe; 3-a spray head; 4-closing the pressure water tank; 5, an upper water collecting tank; 6-siphon tube; 7-a check valve; 8-a breather pipe; 9-a downcomer; 10-lower closed pressure water tank; 11-an electrical room; 12-a variable frequency pump; 13-lower header tank; 14-a camera; 15-a pressure transmitter; 16-an electric console; 17-a water inlet electromagnetic valve; 18-touch screen computer; 19-PLC control system.
Fig. 3 is a schematic diagram of the self-circulation hydrostatic pressure transmission demonstration experimental device which can be controlled by a 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 the utility model discloses self-loopa hydrostatic pressure transmission demonstration experimental system's based on sharing education theory schematic diagram. The self-circulation hydrostatic pressure transmission demonstration experiment platform based on sharing education theory that this embodiment provided includes: 3 self-loopa hydrostatic pressure transmission demonstration experimental apparatus, service manager and 30 user terminals that can computer control.
The self-circulation hydrostatic pressure transmission demonstration experiment device which can be controlled by the computer is connected with the service manager through the internet (wired or wireless); the service manager is connected with the user terminal through the internet (wired or wireless).
The utility model provides a self-loopa hydrostatic pressure transmission demonstration experimental system based on sharing education theory, user terminal's form is computer client or mobile terminal etc. and at least one user terminal can be connected to the management server.
The utility model provides a self-loopa hydrostatic pressure transmission demonstration experiment system based on sharing education theory utilizes keyboard or touch-sensitive screen that are furnished with on the user terminal get into the operation platform among the management server, and then the selected self-loopa hydrostatic pressure transmission demonstration experimental apparatus that can control by the computer of control, accomplishes remote experiment operation, acquires real-time experiment image and data, passes to user terminal through the management server, accomplishes a self-loopa hydrostatic pressure transmission demonstration experiment.
The self-circulation hydrostatic pressure transfer demonstration experiment system based on the sharing education concept can be used for simultaneously carrying out a plurality of self-circulation hydrostatic pressure transfer demonstration experiment teaching experiments. The self-circulation hydrostatic pressure transmission demonstration experiment system based on the shared education concept has 3 computer-controlled self-circulation hydrostatic pressure transmission demonstration experiment devices which are managed by a management server in a unified mode.
FIG. 2 is a schematic structural view of the computer-controlled self-circulation hydrostatic pressure transmission demonstration experiment device of the present invention; as shown in fig. 2, the computer-controlled self-circulation hydrostatic pressure transmission demonstration experiment device comprises: the device comprises a water supply pipe 1, a water raising pipe 2, a spray head 3, an upper closed pressure water tank 4, an upper water collecting tank 5, a siphon 6, a check valve 7, a vent pipe 8, a sewer pipe 9, a lower closed pressure water tank 10, an electric room 11, a variable frequency pump 12, a lower water collecting tank 13, a camera 14, a pressure transmitter 15, an electric control console 16, a water inlet electromagnetic valve 17, a touch screen computer 18 and a PLC control system 19.
The variable frequency pump 12 is connected with an upper water collecting tank 5 through a water supply pipe 1, the upper water collecting tank 5 is connected with a lower closed pressure water tank 10 through a sewer pipe 9, the gas of the lower closed pressure water tank 10 is connected with an upper closed pressure water tank 4 through a vent pipe 8, a water raising pipe 2 and a spray head 3 are arranged in the upper closed pressure water tank 4 and extend out of the outside, and the lower closed pressure water tank 10 is connected with a lower water collecting tank 13 through a siphon pipe 6; the camera 14 and the pressure transmitter 15 are connected with a PLC control system 19 through signal wires (acquisition); the water inlet electromagnetic valve 17 and the electric control platform 16 are connected with a PLC control system 19 through signal lines (control).
The operation process is as follows: after the variable frequency pump 12 is started, water flow is supplied to the upper water collecting tank 5 through the water supply pipe 1 with the water inlet electromagnetic valve 17, so that water in the upper water collecting tank 5 flows into the lower closed pressure water tank 10 through the sewer pipe 9, the pressure in the lower closed pressure water tank 10 is increased, gas in the lower closed pressure water tank 10 enters the upper closed pressure water tank 4 through the vent pipe 8, the pressure in the upper closed pressure water tank 4 is increased, and the water in the upper closed pressure water tank 4 is sprayed out from the spray head 3 through the water raising pipe 2; after the lower closed pressure water tank 10 is fully jacked, the pressure in the lower closed pressure water tank 10 is increased, and water in the lower closed pressure water tank 10 flows into a lower water collecting tank 13 through a siphon 6; because the surface pressure intensity in the upper closed pressure water tank 4 and the lower closed pressure water tank 10 is reduced at the same time, the check valve 7 is automatically opened, and the water body in the upper water collecting tank 5 flows into the upper closed pressure water tank 4. At this time, the water level in the upper water collecting tank 5 is lower than the inlet of the lower water pipe 9, after the water in the lower closed pressure water tank 10 is discharged, the water in the upper water collecting tank 5 gradually fills the inlet of the lower water pipe 9 under the supply of the variable frequency pump 12, and then, the second water pumping cycle is started. The fall between the upper water collecting tank 5 and the lower closed pressure water tank 10 can be adjusted by controlling the electric control console 16, and the larger the fall is, the larger the surface pressure in the lower closed pressure water tank 10 and the upper closed pressure water tank 4 is, and the higher the water spraying height is.
The utility model provides a self-loopa hydrostatic pressure transmission demonstration experimental system based on sharing education theory relies on internet technique, but combines many self-loopa hydrostatic pressure transmission demonstration experimental apparatus that the computer was controlled into a sharing system, carries out self-loopa hydrostatic pressure transmission demonstration experiment under real experimental environment and condition, shows measurement parameters such as flow, airtight pressure water tank pressure of variable frequency pump in real time at the user side, watches experimental phenomenon through camera 14. Each sensor and its camera 14 can show experimental process and data on the user end in real time, and the user can input relevant data before the experiment through remote control at the mobile portable equipment, and observe experimental process and phenomenon in real time.
The self-circulation hydrostatic pressure transfer demonstration experiment system based on the shared education concept contains 30 user terminals simultaneously and accesses the management server through the network, the user terminals independently exist, and different students perform experiments on different user terminals. The user terminal can be a computer client or a mobile terminal such as a mobile phone, and the specific form is not limited.
In order to accurately measure various parameters of the water inlet pipeline, the water inlet pipeline is provided with: a pressure transmitter 15 and a water inlet electromagnetic valve 17.
The pressure transmitter 15 is arranged on each measuring point, and the water inlet electromagnetic valve 17 is arranged on the water supply pipe 1 connected with the variable frequency pump 12 and used for changing the water supply flow.
The self-circulation hydrostatic pressure transmission demonstration experiment device capable of being controlled by a computer comprises an upper closed pressure water tank 4 and an upper water collecting tank 5 which are placed on an experiment platform frame, a pressure transmitter 15 is arranged in the upper closed pressure water tank 4, an electric control table 16 is adopted in front of the upper water collecting tank 5 and a lower closed pressure water tank 10, and the relation between the water spraying height and the fall is observed by changing the fall of the upper water collecting tank 5 and the lower closed pressure water tank 10 through lifting the electric control table 16.
Further, as described above, the self-circulation hydrostatic pressure transmission demonstration experiment system based on the shared education concept, the service manager includes a management platform, the management platform includes a login interface of the self-circulation hydrostatic pressure transmission demonstration experiment device which can be controlled by a computer and an interface through which a user logs in and selects a certain self-circulation hydrostatic pressure transmission demonstration experiment device which can be controlled by a computer to carry out related experiments, and the service manager is connected with the self-circulation hydrostatic pressure transmission demonstration experiment device which can be controlled by a computer through the internet (wired or wireless); the service manager is connected to the user terminal via the internet (wired or wireless).
Further, the self-circulation hydrostatic pressure transfer demonstration experiment system based on the shared education concept comprises a user terminal and a user terminal, wherein the user terminal comprises a computer or a mobile phone; the mobile phone or the computer is connected with an operation platform of the service manager through the internet (wired or wireless), and the selected hydrostatic pressure transmission demonstration experiment device which can be controlled by the computer is remotely controlled to complete the hydrostatic pressure transmission demonstration experiment.
Furthermore, the self-circulation hydrostatic pressure transmission demonstration experiment device which can be controlled by the computer has 2 measuring points, and each measuring point is provided with a pressure transmitter 15; the measured data are collected and transmitted to the PLC control system 19, and the data are reflected on the touch screen computer 18, so that the pressure intensity changes of the upper closed pressure water tank 4 and the lower closed pressure water tank 10 are observed.
The data acquisition device includes a pressure: measured by pressure transmitters 15 at the measuring points of the closed pressure water tank.
The image acquisition equipment comprises but is not limited to a camera 14, the camera 14 is fixed on an operation platform support of the self-circulation siphon principle demonstration experiment device which can be controlled by a computer, is connected with a PLC control system 19 and further connected with a touch screen computer 18, and is displayed and controlled (in a long-distance view or a short-distance view) on the touch screen computer 18. Because the student is far away from the experimental apparatus, the student can not go to the operation of on-the-spot observation equipment, and the operation condition of equipment and relevant experimental phenomenon or experimental result can be observed to the remote student through camera 14.
The experiment demonstration device is remotely controlled by a computer according to experiment control information input by students at a user terminal in a mode of hardware equipment entity-real experiment scene-remote operation panel, and relevant required professional experiments are developed. The students can carry out experiments at any time and any place through the network, and do not need to specially carry out experiments in a fixed laboratory, thereby realizing the teaching at different places through the network and playing a great role in promoting the improvement of the innovation capability and the comprehensive capability of the students. Meanwhile, the experimental data generated in the experiment is real data generated by a remote experimental device, and is not software simulation data, so that convenience is provided for students, and the enthusiasm of the students in doing the experiment can be aroused. In addition, because the experimental hardware is arranged on the remote experimental equipment, the requirement on the hardware of the user terminal is not high, and students can complete experiments on common computers or even mobile terminals. The utility model discloses a social sharing of experimental resources has compensatied the not enough of shared education practice link, has fully highlighted the new development of shared education under the internet environment now.
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. The utility model provides a self-loopa hydrostatic pressure transmission demonstration experimental system based on sharing education theory which characterized in that self-loopa hydrostatic pressure transmission demonstration experimental system based on sharing education theory includes: 1 or more self-circulation hydrostatic pressure transmission experiment devices which can be controlled by a computer, a service manager and 1 or more user terminals;
the hydrostatic pressure transmission demonstration experiment device which can be controlled by a computer is connected with the service manager in a wired or wireless way through the internet; the service manager is in wired or wireless connection with the user terminal through the Internet;
but self-loopa hydrostatic pressure transmission demonstration experimental apparatus that computer was controlled includes: the device comprises a water supply pipe (1), a water raising pipe (2), a spray head (3), an upper closed pressure water tank (4), an upper water collecting tank (5), a siphon pipe (6), a check valve (7), a vent pipe (8), a sewer pipe (9), a lower closed pressure water tank (10), an electric room (11), a variable frequency pump (12), a lower water collecting tank (13), a camera (14), a pressure transmitter (15), an electric control console (16), a water inlet electromagnetic valve (17), a touch screen computer (18) and a PLC control system (19);
the variable frequency pump (12) is connected with the upper water collecting tank (5) through a water supply pipe (1), the upper water collecting tank (5) is connected with the lower closed pressure water tank (10) through a sewer pipe (9), the gas of the lower closed pressure water tank (10) is connected with the upper closed pressure water tank (4) through a vent pipe (8), the water raising pipe (2) and the spray head (3) are arranged in the upper closed pressure water tank (4) and extend out of the outside, and the lower closed pressure water tank (10) is connected with the lower water collecting tank (13) through a siphon pipe (6); the camera (14) and the pressure transmitter (15) are connected with the PLC control system (19) through signal lines; the water inlet electromagnetic valve (17) and the electric control platform (16) are connected with a PLC control system (19) through signal lines;
the upper water collecting tank (5) is connected with a variable frequency pump (12) through a pipeline, the variable frequency pump (12) is started to supply water to the upper water collecting tank (5) through a water inlet electromagnetic valve (17), so that water in the upper water collecting tank (5) flows into the lower closed pressure water tank (10) through a sewer pipe (9), the internal pressure of the lower closed pressure water tank (10) is increased, gas enters the upper closed pressure water tank (4) through a vent pipe (8), and the water is sprayed out from the spray head (3) through a water lifting pipe (2); after the upper water collecting tank (5) is full, the water body flows into the lower water collecting tank (13) through the siphon (6); when the water level of the upper water collecting tank (5) is lower than that of the lower water pipe (9), the frequency conversion pump (12) is started to continue water supply after the water body of the lower closed pressure water tank (10) is completely drained.
2. The system for demonstrating and testing self-circulating hydrostatic pressure transmission based on shared education concepts as claimed in claim 1, wherein the service manager includes a management platform, the management platform includes a login interface of the computer-controlled self-circulating hydrostatic pressure transmission demonstration experiment apparatus and an interface for a user to login and select a certain computer-controlled self-circulating hydrostatic pressure transmission demonstration experiment platform to perform related experiments.
3. The shared education concept-based self-circulating hydrostatic pressure transfer demonstration experimental system as claimed in claim 1, wherein the user terminal comprises a computer or a mobile phone; the mobile phone or the computer is connected with an operation platform of the service manager in a wired or wireless mode through the internet, and the hydrostatic pressure transmission demonstration experiment device which can be controlled by the computer and is selected through remote control is used for completing the hydrostatic pressure transmission demonstration experiment.
4. The self-circulation hydrostatic pressure transmission demonstration experiment system based on the shared education concept according to claim 1, characterized in that the computer-controllable hydrostatic pressure transmission demonstration experiment device has 2 measuring points, and each measuring point is provided with a pressure transmitter (15); measured data are collected and transmitted to a PLC control system (19), and the data are reflected on a touch screen computer (18), so that pressure intensity changes of the upper closed pressure water tank (4) and the lower closed pressure water tank (10) are observed.
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| CN202021278141.7U CN212933898U (en) | 2020-07-02 | 2020-07-02 | Self-circulation hydrostatic pressure transfer demonstration experiment system based on sharing education concept |
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| CN202021278141.7U CN212933898U (en) | 2020-07-02 | 2020-07-02 | Self-circulation hydrostatic pressure transfer demonstration experiment system based on sharing education concept |
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