CN111862741A - Remote-controlled comprehensive experiment platform for on-way water head loss - Google Patents
Remote-controlled comprehensive experiment platform for on-way water head loss Download PDFInfo
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- CN111862741A CN111862741A CN202010633001.5A CN202010633001A CN111862741A CN 111862741 A CN111862741 A CN 111862741A CN 202010633001 A CN202010633001 A CN 202010633001A CN 111862741 A CN111862741 A CN 111862741A
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Abstract
The invention discloses a remote-controllable on-way head loss comprehensive experiment platform. The method comprises the following steps: the computer-controlled on-the-way head loss measuring experimental device, the service manager and the user terminal; the computer-controlled on-the-way head loss measuring experimental device is connected with the service manager through the Internet; the computer-controlled on-way head loss experimental device comprises: the device comprises a self-circulation high-pressure constant full-automatic water feeder, a test bench, a water return pipe, a bypass valve, an electromagnetic valve, a water inlet pipe, a camera, a pressure transmitter, a pressure stabilizing cylinder, an electromagnetic flowmeter, a water tank, a PLC (programmable logic controller) control cabinet, a computer and a PLC controller. The PLC control system can control the variable frequency pump to start and stop and control the opening and closing of the valve or adjust the opening; the invention solves the problems of the existing related difficulties and problems in developing the on-way head loss experiment in colleges and universities under the condition of resource shortage or some special conditions to a certain extent, and realizes the shared education concept.
Description
Technical Field
The invention relates to the technical field of industrial control, in particular to a remote-controllable on-way waterhead loss measurement experiment platform.
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 related professional experiments comprise on-way head loss principle demonstration experiments and the like. The experimental equipment at present stage generally comprises a self-circulation high-pressure constant full-automatic water feeder, a water pressure difference meter, a pressure measuring needle, an electronic measuring instrument, a sliding measuring scale, an experimental flow regulating valve, a pressure stabilizing cylinder, a bypass pipe and a bypass valve. In the experimental operation process, experimental result data are obtained through a pressure measuring needle, an electronic measuring instrument, a sliding measuring scale and the like which are arranged on the device.
The on-way head loss principle demonstration experiment device in China at the present stage 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; 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. In the epidemic situation of this year, it is difficult for students to conduct manual experiments. In addition, students manually perform experimental operations in such a way that the use of the building area of schools is increased.
And secondly, an internet-based remote experiment scheme is mainly used for performing online simulation or virtual experiment by adopting a software simulation experiment device, 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
The invention aims to solve the defects in the prior art, provides a sharing system which combines the on-the-way head loss principle experiment into one by means of related equipment such as a computer-controlled on-the-way head loss experimental device, the Internet, a user terminal and the like, and a user carries out the on-the-way head loss principle experiment under the real experimental environment and conditions.
The invention relates to a remotely-controllable on-way head loss measurement experiment platform, which comprises 1 or more computer-controllable on-way head loss experiment devices, a service manager and 1 or more user terminals.
The computer-controlled on-the-way head loss experimental device 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 computer-controlled on-way head loss experimental device comprises: the device comprises a self-circulation high-pressure constant full-automatic water feeder, a test bench, a water return pipe, a bypass valve, an electromagnetic valve, a water inlet pipe, a camera, a pressure transmitter, a pressure stabilizing cylinder, an electromagnetic flowmeter, a water tank, a PLC (programmable logic controller) control cabinet, a computer and a PLC controller.
The automatic water feeder is controlled by the electromagnetic valve, when the automatic water feeder and the electromagnetic valve are opened through the signal control line, water flows through the pipeline, the pressure transmitter and the electromagnetic flowmeter start to collect data, and the data are transmitted to the PLC through the signal collection line. The electromagnetic valve at the water outlet of the pipeline is opened through a signal control line, water in the pipeline flows into the water tank after flowing out of the pipeline, at the moment, the bypass valve is opened, and the water flows back into the self-circulation high-pressure constant full-automatic water feeder through the bypass pipe.
Further, as described above, the service manager includes a management platform, the management platform includes a login interface of the computer-controlled on-way head loss experimental apparatus and an interface for a user to login and select a certain computer-controlled on-way head loss experimental apparatus to perform a related experiment, and the service manager is connected with the computer-controlled on-way head loss experimental apparatus via the internet (wired or wireless); the service manager is connected to the user terminal via the internet (wired or wireless).
Further, the remotely controllable on-way head loss measurement experiment platform comprises a user terminal and a control system, 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 computer-controllable on-the-way head loss experimental device is remotely controlled to complete on-the-way head loss principle demonstration experiment.
Further, according to the computer-controlled on-way head loss experimental device, the whole pipeline is provided with five measuring points, wherein four measuring points are provided with pressure transmitters, and one measuring point is provided with an electromagnetic flowmeter; the data measured by the computer-controlled on-way head loss experimental device are transmitted to the PLC controller through collection, and the data are displayed on the computer.
Has the advantages that:
the remote-controllable on-way head loss measurement experiment platform provided by the invention is based on the Internet, a sensor and other related experiment instruments, combines on-way head loss demonstration related experiments into a shared system, performs on-way head loss demonstration related experiments under real experiment environments and conditions, and displays measurement parameters required by the flow, pressure, flow rate and the like of the water pump at a user end in real time. On the premise of verifying authenticity and operability, results can be output, curve drawing and the like, each sensor and the camera thereof can display experimental processes and data on a user end in real time, and a user can input relevant data before an experiment on mobile portable equipment or a computer through remote control, observe the experimental processes and the data in real time and derive relevant experimental data tables and curves.
The invention solves the problems of the existing difficulty and problems in developing the on-way head loss experiment in colleges and universities under the condition of resource shortage or some special conditions to a certain extent. For example, some colleges and universities lack the conditions for carrying out the experiment on site, and even some colleges and universities have the conditions for carrying out the off-line experiment under the influence of the new coronary pneumonia at present, the experiment cannot be smoothly carried out due to epidemic situations. Compared with the field test of schools, the invention not only can save and reasonably utilize resources and reduce the use of building area, but also can carry out the hall test at any time, so that students can master relevant theories and knowledge points; compared with a remote virtual simulation experiment, the method is more intuitive, easier to understand and easier to combine theory and practice; travel expenses can be saved and time can be saved compared with a shared laboratory. In addition, the PLC control system adopted in the experiment has the characteristics of strong universality, convenience in use, high reliability, strong anti-interference capability and the like, and can provide more reliable technical support for controlling the experiment by using a computer. Besides domestic colleges, the invention can serve professional training of related personnel, science popularization experiments of teenagers and laymen, and even can provide help for students of water supply and drainage science and engineering major of colleges in countries with underdeveloped international education resources, thereby achieving the teaching purpose and realizing the shared education concept through the experiments.
Drawings
Fig. 1 is a schematic diagram of a remotely controllable on-way head loss measurement experiment platform of the invention.
FIG. 2 is a schematic structural diagram of the computer-controlled on-way head loss experimental device.
The labels in the figure are: 1-self-circulation high-pressure constant full-automatic water supply device; 2-a laboratory bench; 3, a water return pipe; 4-a bypass valve; 5-an electromagnetic valve and 6-a water inlet pipe; 7-a camera; 8-a pressure transmitter; 9-a pressure stabilizing cylinder; 10-an electromagnetic flow meter; 11-a water tank; 12-a PLC control cabinet; 13-a computer; and 14-a PLC controller.
Fig. 3 is a schematic diagram of the computer-controlled on-way head loss experimental device.
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 remotely controllable on-way head loss measurement experiment platform of the present invention; but the on-the-way head loss of this embodiment remote control surveys experiment platform includes: 3 computer-controlled on-the-way head loss experimental devices, a service manager and 30 user terminals;
The computer-controlled on-the-way head loss experimental device 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 remotely controllable on-way head loss measurement experiment platform provided by the invention has the advantages that the form of the user terminal is a computer client or a mobile terminal.
The remote controllable on-way head loss measurement experiment platform provided by the invention utilizes the keyboard or the touch screen arranged on the user terminal to enter the operation platform in the management server, further controls the selected computer controllable on-way head loss experiment device to complete remote experiment operation, obtains real-time experiment images and data, and transmits the real-time experiment images and data to the user terminal through the management server to complete an on-way head loss demonstration experiment.
The remote-controlled on-way head loss measurement experiment platform can simultaneously carry out teaching experiments of the on-way head loss demonstration experiment device. In practical application, the remote experiment system can be provided with a plurality of computer-controlled on-way head loss experiment devices which are uniformly managed by the management server.
Fig. 2 is a schematic structural view of a computer-controlled on-way head loss experimental device, as shown in fig. 2, the computer-controlled on-way head loss experimental device comprises: the device comprises a self-circulation high-pressure constant full-automatic water feeder 1, an experiment table 2, a water return pipe 3, a bypass valve 4, an electromagnetic valve 5, a water inlet pipe 6, a camera 7, a pressure transmitter 8, a pressure stabilizing cylinder 9, an electromagnetic flowmeter 10, a water tank 11, a PLC control cabinet 12, a computer 13 and a PLC controller 14.
The self-circulation high-pressure constant full-automatic water feeder 1 is controlled by the electromagnetic valve 5, when the self-circulation high-pressure constant full-automatic water feeder 1 and the electromagnetic valve 5 are opened through the signal control line, water flows through the pipeline, the pressure transmitter 8 and the electromagnetic flowmeter 10 start to acquire data at the moment, and the data are transmitted to the PCL controller 14 through the signal acquisition line. The electromagnetic valve 5 at the water outlet of the pipeline is opened through a signal control line, water in the pipeline flows into the water tank 11 after flowing out of the pipeline, at the moment, the bypass valve 4 is opened, and the water flows back into the self-circulation high-pressure constant full-automatic water feeder 1 through the bypass pipe.
The invention provides a remote-controllable on-the-way head loss measurement experiment platform, which is based on the internet technology, combines a plurality of computer-controllable on-the-way head loss experiment devices into a shared system, performs on-the-way head loss demonstration experiments under real experiment environments and conditions, and displays the measurement parameters of the water pump such as flow, pressure, flow rate and the like in real time at a user end. The experimental phenomenon can be observed through the camera. On the premise of verifying authenticity and operability, results can be output, curve drawing and the like, each sensor and the camera thereof can display the experimental process and data on a user end in real time, and a user can input relevant data before an experiment on the mobile portable equipment through remote control, observe the experimental process and the data in real time and derive the relevant experimental data.
The remote-controllable on-way head loss measurement experiment platform 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 various parameters of the water inlet pipeline, the water inlet pipeline is provided with: an electromagnetic valve 5, a pressure transmitter 8 and an electromagnetic flow meter 10.
The pressure transmitter 8 is arranged on each measuring point, and the two electromagnetic valves 5 are arranged, wherein one electromagnetic valve is arranged at the starting end of the water inlet pipe 6 and is used for controlling the start and stop of water in the pipeline; one is arranged at the position of the water outlet at the tail end of the water inlet pipe 6 and is used as a water discharging valve for controlling the liquid level height of the water tank.
The computer-controlled on-way head loss experimental device comprises a self-circulation high-pressure constant full-automatic water feeder 1, a water inlet pipe 6, a water return pipe 3 and a water tank 11, wherein an electromagnetic valve 5, a pressure transmitter 8 and an electromagnetic flowmeter 10 are arranged on each measuring point on the water inlet pipe 6. A bypass valve 4 is arranged on the water return pipe 3.
Fig. 3 is a schematic diagram of the computer-controlled on-way head loss experimental device.
The service manager includes: the device comprises an industrial personal computer, image acquisition equipment, a processing module and a storage module.
Further, as described above, the service manager includes a management platform, and the management platform includes a login interface of the computer-controlled on-way head loss experiment device, a user login interface, and an interface of a certain computer-controlled on-way head loss experiment device for carrying out related experiments; the service manager and the like can be connected with the computer-controlled on-way head loss experimental device through the internet (wired or wireless); the service manager is connected to the user terminal via the internet (wired or wireless). The industrial personal computer can transmit the information obtained by the image acquisition equipment of the data acquisition device to the processing module in an internet (wired or wireless) mode.
The processing module is connected with the storage module.
The storage module is used for storing the data processed by the data processing module and the data sent by the terminal.
The processing module is connected with the storage module.
The storage module is used for storing the data processed by the data processing module and the data sent by the terminal.
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 computer-controllable on-the-way head loss experimental device is remotely controlled to complete an on-the-way head loss demonstration experiment.
The execution equipment, the data acquisition equipment and the image acquisition equipment are respectively connected with the central control machine in a wired or wireless communication mode.
The data acquisition device includes flow and pressure: measured by an electromagnetic flowmeter 10 on the pipe of the water inlet pipe 6 and the pressure by the pressure transmitter 8.
The image acquisition equipment comprises but is not limited to a camera 7, the camera 7 is fixed on an operation platform support of the computer-controlled on-way head loss experiment device, is connected with a PLC (programmable logic controller) 14 and further connected with a computer 13, and is displayed and controlled (long-range view or close-range view) on the computer 13. Because the student is far away from the experimental apparatus, can not go to the operation of on-the-spot observation equipment, the operation condition and relevant experimental phenomenon or the experimental result of equipment are observed to remote student's accessible camera 7.
The computer-controlled on-way waterhead loss experimental device is remotely controlled according to experimental control information input by students at a user terminal by adopting a mode of 'hardware equipment entity-real experimental 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 remotely controllable on-way head loss measurement experiment platform is characterized by comprising: 1 or more computer-controlled on-way head loss measurement experimental devices, a service manager and 1 or more user terminals;
the computer-controlled on-the-way head loss measuring experimental device is connected with the service manager through the internet; the service manager is connected with the user terminal through the Internet;
the computer-controlled on-way head loss measuring experimental device comprises: the device comprises a self-circulation high-pressure constant full-automatic water feeder (1), an experiment table (2), a water return pipe (3), a bypass valve (4), an electromagnetic valve (5), a water inlet pipe (6), a camera (7), a pressure transmitter (8), a pressure stabilizing cylinder (9), an electromagnetic flowmeter (10), a water tank (11), a PLC (programmable logic controller) control cabinet (12), a computer (13) and a PLC controller (14);
A water inlet pipe (6) is communicated between the self-circulation high-pressure constant full-automatic water feeder (1) and the pressure stabilizing cylinder (9), and a water return pipe (3) is communicated on the right side of the self-circulation high-pressure constant full-automatic water feeder (1);
and a data acquisition device required by an on-way head loss experiment is arranged on the water inlet pipe (6).
2. The remotely controllable in-path head loss measurement experiment platform according to claim 1, wherein the service manager comprises a management platform, the management platform comprises a login interface of the in-path head loss measurement experiment device which can be controlled by a computer and an interface for a user to log in and select a certain in-path head loss measurement experiment device which can be controlled by a computer to carry out related experiments, and the service manager is connected with the in-path head loss measurement experiment device which can be controlled by a 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 controllable on-the-way head loss measurement 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 computer-controlled on-the-way head loss measuring experiment device is remotely controlled to complete on-the-way head loss principle demonstration experiment.
4. A remotely controllable on-way head loss measurement test platform according to claim 1, characterized in that there are five measuring points on the whole pipeline, four of which are equipped with pressure transmitters (8) and the other with electromagnetic flow meters (10).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010633001.5A CN111862741A (en) | 2020-07-02 | 2020-07-02 | Remote-controlled comprehensive experiment platform for on-way water head loss |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010633001.5A CN111862741A (en) | 2020-07-02 | 2020-07-02 | Remote-controlled comprehensive experiment platform for on-way water head loss |
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| CN111862741A true CN111862741A (en) | 2020-10-30 |
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| CN202010633001.5A Pending CN111862741A (en) | 2020-07-02 | 2020-07-02 | Remote-controlled comprehensive experiment platform for on-way water head loss |
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