CN111833705A - Water attack comprehensive demonstration experiment platform capable of being remotely shared - Google Patents
Water attack comprehensive demonstration experiment platform capable of being remotely shared Download PDFInfo
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- CN111833705A CN111833705A CN202010632985.5A CN202010632985A CN111833705A CN 111833705 A CN111833705 A CN 111833705A CN 202010632985 A CN202010632985 A CN 202010632985A CN 111833705 A CN111833705 A CN 111833705A
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Abstract
The invention discloses a water hammer comprehensive demonstration experiment platform capable of being remotely shared. The method comprises the following steps: the water hammer comprehensive demonstration experiment device can be controlled by a computer, and comprises a service manager and a user terminal; the water attack comprehensive demonstration experiment device which can be controlled by the computer is connected with the service manager through the internet; the service manager is connected with the user terminal through the Internet; the invention solves the relevant problems existing in the water hammer comprehensive demonstration experiment set up in the colleges and universities to a certain extent, reasonably utilizes resources, serves relevant major of the colleges and universities lacking the experimental conditions in China and enlarges the range of benefited people. Therefore, the 2020 new crown pneumonia epidemic situation still can realize teaching through Internet online education in a theoretical course, but an experimental course related to a practice link is difficult to realize. The invention solves the problem that the simulation experiment lacks real experience, and can achieve the teaching purpose and realize the shared education concept by sharing the remote experiment.
Description
Technical Field
The invention relates to the technical field of education and teaching and industrial control, in particular to a water hammer comprehensive demonstration experiment platform capable of being remotely shared.
Background
In a pressure pipeline, the phenomenon of large pressure fluctuation caused by the rapid change of the liquid flow rate is called water hammer. In the water pipe, water hammer can be generated in the pipe due to rapid opening and closing of a valve, sudden shutdown of a water pump, sudden blockage of the pipe, closing of a water tap of an indoor sanitary appliance and the like. The water hammer can bring violent vibration to the water conveying pipeline, and simultaneously generate noise and air pockets, which are the most common causes for the pipeline to break. Therefore, in the design of the water conveying pipeline, it is necessary to consider reducing the damage effect of water attack on the pipeline. For students in water supply and drainage science and engineering professions, understanding of the water hammer phenomenon and mastering of the change rule of the water hammer pressure are naturally necessary.
At present, water hammer comprehensive demonstration experiments are generally set up in the water supply and drainage science and engineering major of various domestic colleges and universities. The device that present stage water hammer demonstration experiment relates to generally includes water pump, water tank, pipeline, pressure stabilizing cylinder, manometer, water hammer emergence valve, check valve, stop valve etc.. During the experiment, the data of the pressure gauge is recorded as the data of the experiment result.
At present, the domestic water attack comprehensive demonstration experiment platforms can be divided 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; in actual operation, before each data is recorded, the numerical value of the instrument needs to be observed manually, and effective data can be obtained after the numerical value is stabilized. 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 obtaining accurate experimental data and the like, so that related experiments cannot be carried out in areas lacking experimental conditions, the students lack actual operation opportunities, cannot master experimental operation capacity, and cannot obtain practical and intuitive experimental data.
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 is convenient for students to know the experiment process, the experiment effect is difficult to be compared with the real experiment, and the cultivation of the innovation capability and problem discovery consciousness of the students is unfavorable.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a sharing system which combines a water hammer comprehensive demonstration experiment platform into one by depending on related equipment such as a computer-controlled water hammer comprehensive demonstration experiment platform, the Internet, a user terminal and the like, so that a user can develop a water hammer comprehensive demonstration experiment under real experiment environment and conditions.
The invention relates to a water attack comprehensive demonstration experiment platform capable of being remotely shared, which comprises: 1 or more water attack comprehensive demonstration experiment devices which can be controlled by a computer, a service manager and 1 or more user terminals.
The water hammer comprehensive demonstration experiment device which can be controlled by the computer is connected with the service manager in a wired or wireless way through the internet; the service manager is connected with the user terminal through the Internet in a wired or wireless mode;
but computer control's water attack comprehensive demonstration experimental apparatus includes: the device comprises a constant-pressure water tank, a water-hammer water raiser water outlet pipe, a barometer, a pressure transmitter, a water raiser stop valve, a pressure chamber, a pressure regulating cylinder, a water pump, a water inlet pipe, a communicating pipe, a pressure regulating cylinder stop valve, a water hammer generating valve, a check valve, a water hammer chamber, a water collecting tank, a base, a water return pipe, a control cabinet, a receiving signal line, a control signal line, a touch screen computer, a PLC control system and a camera.
The water collecting tank has the inlet channel to be connected with the water pump with the constant voltage water tank, open the water pump and to the water injection in the constant voltage water tank, make the constant voltage water tank have the water overflow, through communicating pipe, water gets into the water hammer room, after the water hammer emergence valve motion, water in the water hammer room passes through the check valve and gets into the pressure chamber, again by pressure transmitter transmission signal to PLC control system, later the water hammer emergence valve is automatic to be opened, the experiment just reciprocates, until the water level in the pressure chamber is invariable, the pressure value that records this moment is the water hammer pressure value promptly.
Further, the water hammer comprehensive demonstration experiment platform capable of being remotely shared comprises a management platform, the management platform comprises a login interface of the water hammer comprehensive demonstration experiment platform capable of being controlled by a computer and an interface for a user to login and select a certain water hammer comprehensive demonstration experiment platform capable of being controlled by the computer to carry out related experiments, and the service manager is connected with the water hammer comprehensive demonstration experiment platform capable of being controlled by the computer through the internet in a wired or wireless mode; the service manager is connected with the user terminal through the internet in a wired or wireless mode.
Further, the water hammer comprehensive demonstration experiment platform capable of being shared remotely comprises a user terminal and a remote control 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 in a wired or wireless mode through the Internet, and the selected water hammer comprehensive demonstration experiment platform which can be controlled by the computer is remotely controlled to finish the water hammer comprehensive demonstration experiment.
Further, as above water hammer comprehensive demonstration experiment platform that can computer-controlled, barometer and pressure transmitter are installed to the pressure chamber, and the pressure that the barometer was surveyed can obtain through camera direct observation, and pressure transmitter transmits PLC control system through gathering the data of surveying, and data can reflect on the touch-sensitive screen computer, and then the water pressure change law when reacing the water hammer and taking place.
Has the advantages that:
the invention solves the related problems existing in the water hammer comprehensive demonstration experiment set up in the colleges and universities to a certain extent, reasonably utilizes resources, serves related major of the colleges and universities lacking the experiment condition in China, enlarges the range of beneficial people, achieves the teaching purpose by sharing remote experiments while solving the problem that the simulation experiment lacks real experience, and realizes the sharing education concept.
Drawings
Fig. 1 is a schematic diagram of a water hammer comprehensive demonstration experiment platform capable of being remotely shared.
FIG. 2 is a schematic structural diagram of a computer-controlled water hammer comprehensive demonstration experimental device.
The labels in the figure are: 1-constant pressure water tank; 2-water outlet pipe of water-hammer water raiser; 3-barometer; 4-stop valve of water raiser; 5-a pressure chamber; 6, a pressure regulating cylinder; 7, a water pump; 8, a water inlet pipe; 9-communicating pipe; 10-pressure regulating cylinder stop valve; 11-water hammer generating valve; 12-a check valve; 13-water hammer chamber; 14-a water collection tank; 15-a base; 16-a water return pipe; 17-a control cabinet; 18-a reception signal line; 19-control signal lines; 20-touch screen computer; 21-PLC control system; 22-a camera; 23-pressure transmitter.
FIG. 3 is a schematic diagram of a water hammer comprehensive 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 more apparent, the technical solutions of the present invention are described below clearly and completely, and it is obvious that the described embodiments are some, not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b):
FIG. 1 is a schematic diagram of a water hammer comprehensive demonstration experiment platform which can be remotely shared according to the invention; the water hammer comprehensive demonstration experiment platform that this embodiment provided can long-rangely share includes: 3 water attack comprehensive demonstration experiment devices which can be controlled by a computer, a service manager and 1 or 30 user terminals.
The water hammer comprehensive demonstration experiment device which can be controlled by the computer is connected with the service manager in a wired or wireless way through the internet; the service manager is connected with the user terminal through the Internet in a wired or wireless mode.
The water attack comprehensive demonstration experiment platform capable of being shared remotely, provided by the invention, has the form of a computer client or a mobile terminal and the like.
According to the water hammer comprehensive demonstration experiment platform capable of being shared remotely, the keyboard or the touch screen arranged on the user terminal is utilized to enter the operation platform in the management server, so that the selected water hammer comprehensive demonstration experiment device capable of being controlled by the computer is controlled, remote experiment operation is completed, real-time experiment images and data are obtained and are transmitted to the user terminal through the management server, and a water hammer comprehensive demonstration experiment is completed.
The water attack comprehensive demonstration experiment platform capable of being remotely shared can simultaneously develop teaching experiments of the water attack comprehensive demonstration experiment platform. In this embodiment, there are 3 water hammer comprehensive demonstration experiment devices that can be controlled by a computer in the remote experiment system, and the water hammer comprehensive demonstration experiment devices are managed by the management server in a unified manner.
FIG. 2 is a structural diagram of a water hammer comprehensive demonstration experimental facility which can be controlled by a computer; but computer control's water attack comprehensive demonstration experimental apparatus includes: the device comprises a constant-pressure water tank 1, a water outlet pipe 2 of the water hammer water raiser, a barometer 3, a water raiser stop valve 4, a pressure chamber 5, a pressure regulating cylinder 6, a water pump 7, a water inlet pipe 8, a communicating pipe 9, a pressure regulating cylinder stop valve 10, a water hammer generating valve 11, a check valve 12, a water hammer chamber 13, a water collecting tank 14, a base 15, a water return pipe 16, a control cabinet 17, a receiving signal line 18, a control signal line 19, a touch screen computer 20, a PLC control system 21, a camera 22 and a pressure transmitter 23.
The water collecting tank 14 and the constant pressure water tank 1 are provided with a water inlet pipeline 8 connected with the water pump 7, the water pump 7 is started to inject water into the constant pressure water tank 1, the constant pressure water tank 1 is enabled to overflow water, the water enters the water attack chamber 13 through the communicating pipe 9, after the water attack generating valve 11 moves, the water in the water attack chamber 13 enters the pressure chamber 5 through the check valve 12, the pressure transmitter 23 transmits a signal to the PLC control system 21, then the water attack generating valve 11 is automatically opened, the experiment is carried out in a reciprocating mode until the water level in the pressure chamber 5 is constant, and the measured pressure value is the water attack pressure value.
The water hammer comprehensive demonstration experiment platform capable of being shared remotely provided by the invention is based on the Internet, a sensor and other related experiment instruments, combines water hammer comprehensive demonstration experiments into a sharing system, performs water pump related experiments under real experiment environments and conditions, displays water hammer pressure at a user end in real time, and observes the water level changes of the pressure regulating cylinder 6 and the water outlet pipe 2 of the water hammer water raiser through the camera 22. On the premise of verifying authenticity and operability, the result can be output, curve drawing and the like, the pressure measured by the barometer 3 can be directly observed through the camera 22, the pressure transmitter 23 transmits the measured data to the PLC control system 21 through collection and can be displayed on a user end in real time, the user can input relevant operations before the experiment through the mobile portable equipment through remote control, the experiment process and the data can be observed in real time, and relevant experiment data tables and curves can be derived.
The water hammer comprehensive demonstration experiment platform capable of being remotely shared can simultaneously accommodate a plurality of user terminals to access a management server through a network, the user terminals independently exist, and different students can 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 the water hammer pressure change of the pressure chamber 5, a barometer 3 and a pressure transmitter 23 are arranged on the pressure chamber 5; the pressure measured by the barometer 3 can be directly observed by the camera 22, the pressure transmitter 23 transmits the measured data to the PLC control system 21 by collection and displays the data on the touch screen computer 20, and then the water hammer pressure is obtained from the data.
The pressure regulating cylinder 6 and the water outlet pipe 2 of the water-hammer water raiser are provided with liquid level meters, and the change conditions of the water levels at the two positions in the corresponding experiment are fed back in real time by acquiring image information through the camera 22.
The water hammer comprehensive demonstration experiment platform capable of being shared remotely comprises a water collecting tank 14 and a base 15 which are placed on an experiment platform frame, the shell of the water collecting tank is transparent, the whole water level change situation can be displayed, and the water level change situation is collected and transmitted through a camera 22 on the platform for a user terminal to observe the experiment phenomenon in real time.
FIG. 3 is a schematic diagram of a water hammer comprehensive demonstration experimental device which can be controlled by a computer.
But computer control's water attack comprehensive demonstration experimental apparatus includes: the water hammer comprehensive demonstration experiment platform comprises a field-controlled water hammer comprehensive demonstration experiment platform, an execution device, a data acquisition device, an image acquisition device, a PLC control system 21 and a touch screen computer 20.
Further, as described above, the water hammer comprehensive demonstration experiment device which can be controlled by the computer, the PLC control system 21 includes a processing module which is provided with control interfaces of all the execution devices and interfaces of the data acquisition device and the image acquisition device, and the PLC control system 21 is connected with the execution devices, the data acquisition device and the image acquisition device through control signal lines and receiving signal lines respectively; and is connected with the touch screen computer 20 through a signal line.
Further, as for the above water hammer comprehensive demonstration experiment device capable of being controlled by the computer, the touch screen computer 20 includes a computer or a mobile phone; the mobile phone or the computer is connected with an operation platform of the PLC control system 21 through internet wires or wirelessly, and remotely controls the selected execution equipment which can be controlled by the computer to finish the remote operation of the water hammer demonstration experiment.
The execution device includes: a water pump 7, a pressure regulating cylinder stop valve 10, a water outlet pipe 2 of the water attack poplar machine, a stop valve 12 and a water attack generating valve 11.
The image acquisition equipment comprises but is not limited to a camera 22, the camera 22 is fixed on a water attack comprehensive demonstration experiment platform operation platform support of shared education, and is connected with the PLC control system 21 through the water attack comprehensive demonstration experiment platform support. 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 equipment condition that needs the observation is observed to remote student's accessible camera 22.
The data acquisition equipment, namely the barometer 3 and the pressure transmitter 23, feeds back the pressure change of the pressure chamber in real time.
The water hammer comprehensive demonstration experiment device which can be controlled by a computer is remotely controlled according to experiment control information input by students at a user terminal by adopting a mode of 'hardware equipment entity-real experiment scene-remote operation panel' to develop required related professional experiments. 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 invention realizes social sharing of experimental resources, makes up the defects of the practice link of shared education, and fully highlights the new development of the shared education in the current Internet environment.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (4)
1. A water attack comprehensive demonstration experiment platform capable of being shared remotely is characterized by comprising: 1 or more water attack comprehensive demonstration experiment devices which can be controlled by a computer, a service manager and 1 or more user terminals;
but computer control's water attack comprehensive demonstration experimental apparatus includes: the device comprises a constant-pressure water tank (1), a water outlet pipe (2) of the water-hammer water raiser, a barometer (3), a water raiser stop valve (4), a pressure chamber (5), a pressure regulating cylinder (6), a water pump (7), a water inlet pipe (8), a communicating pipe (9), a pressure regulating cylinder stop valve (10), a water hammer generating valve (11), a check valve (12), a water hammer chamber (13), a water collecting tank (14), a base (15), a water return pipe (16), a control cabinet (17), a receiving signal line (18), a control signal line (19), a touch screen computer (20), a PLC control system (21), a camera (22) and a pressure transmitter (23);
a water inlet pipe (8) is arranged between the water collecting tank (14) and the constant pressure water tank (1) for delivering water through a water pump (7), and a water return pipe (16) is communicated between an overflow port arranged at the top of the constant pressure water tank (1) and a water inlet at the top of the water collecting tank (14); a communicating pipe (9) is arranged between the constant pressure water tank (1) and the water attack chamber (13); the water hammer chamber (13) is communicated with the pressure chamber (5) and the pressure regulating cylinder (6), is provided with a water hammer generating valve (11) which can be controlled by a computer, and is also provided with a pressure regulating cylinder stop valve (10) and a check valve (12) which can be controlled by the computer; the pressure chamber (5) is provided with a barometer (3), a pressure transmitter (23), a water outlet pipe (2) of the water-hammer water raiser, a water raiser stop valve (4) which can be controlled by a computer, and a control cabinet (17) and a camera (22) which are provided with a PLC control system (21) and a touch screen computer (20).
2. The remotely sharable water hammer comprehensive demonstration experiment platform according to claim 1, wherein the service manager comprises a management platform, the management platform comprises a login interface of the water hammer comprehensive demonstration experiment device which can be operated by a computer and an interface for a user to login and select a certain water hammer comprehensive demonstration experiment device which can be operated by the computer to carry out related experiments, and the service manager is connected with the water hammer comprehensive demonstration experiment device which can be operated by the computer through the internet in a wired or wireless manner; the service manager is connected with the user terminal through the internet in a wired or wireless mode.
3. The remotely sharable water hammer comprehensive demonstration experiment platform according to 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 way through the internet, and the selected water hammer comprehensive demonstration experiment device which can be controlled by the computer is remotely controlled to finish the water hammer comprehensive demonstration experiment.
4. The comprehensive demonstration experiment platform for water hammer capable of being shared remotely as claimed in claim 1, wherein the pressure chamber (5) is provided with a barometer (3) and a pressure transmitter (23), the pressure measured by the barometer (3) can be directly observed through a camera (22), the pressure transmitter (23) transmits the measured data to the PLC control system (21) through collection, and the data can be reflected on the computer touch screen (20) so as to obtain the water pressure change rule when water hammer occurs; meanwhile, liquid level meters are arranged on the pressure regulating cylinder (6) and the water-hammer water machine water outlet pipe (2), and the liquid level change rule when water hammer occurs in the pressure regulating cylinder (6) and the water-hammer water machine water outlet pipe (2) can be directly displayed on a terminal screen through image acquisition equipment.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010632985.5A CN111833705A (en) | 2020-07-02 | 2020-07-02 | Water attack comprehensive demonstration experiment platform capable of being remotely shared |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010632985.5A CN111833705A (en) | 2020-07-02 | 2020-07-02 | Water attack comprehensive demonstration experiment platform capable of being remotely shared |
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| CN111833705A true CN111833705A (en) | 2020-10-27 |
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| CN202010632985.5A Pending CN111833705A (en) | 2020-07-02 | 2020-07-02 | Water attack comprehensive demonstration experiment platform capable of being remotely shared |
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