CN213070282U - Remotely-controllable weir flow experiment system - Google Patents
Remotely-controllable weir flow experiment system Download PDFInfo
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- CN213070282U CN213070282U CN202021278122.4U CN202021278122U CN213070282U CN 213070282 U CN213070282 U CN 213070282U CN 202021278122 U CN202021278122 U CN 202021278122U CN 213070282 U CN213070282 U CN 213070282U
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Abstract
The utility model discloses a but remote control's weir flow experimental system. The method comprises the following steps: the system comprises a computer-controlled weir flow demonstration experimental device, a service manager and a user terminal; the computer-controlled weir flow demonstration experiment platform is connected with the service manager through the internet; the service manager is connected with the user terminal through the Internet. Computer-controlled weir flow demonstration experimental device includes: organic glass experiment basin, steady water orifice plate, automatic water level measuring probe, experiment weir, triangle weir measuring flume, triangle weir water level automatic needle cylinder, survey special automatic calibrator of triangle weir crest elevation, porous tail gate, automatic tail gate lifting wheel, support, bypass pipe automatic fine setting valve, bypass pipe, delivery pipe, water supply flow automatic regulating valve, water pump, water storage box, camera, touch-sensitive screen computer and PLC control system. The utility model provides a colleges and universities set up the relevant problem that the weir flow experiment demonstration exists, through sharing remote experiment, reach the teaching purpose.
Description
Technical Field
The utility model relates to an education and teaching and industrial control technical field especially relate to a but remote control's weir flow experimental system.
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 weir flow experiment demonstration and the like. The current stage experimental equipment generally comprises a high-level water tank, a low-level water tank, a pressure gauge, a pressure measuring pipe, a sliding ruler, a water pump, a pressure gauge water tank and the like. In the running process of the hydraulics experiment, experimental result data are obtained through a computer-controlled electromagnetic valve, an automatic water level measuring needle, a special automatic calibrator for measuring the elevation of the weir crest of the triangular weir and the like which are arranged on the equipment.
At present, the domestic weir flow experiment demonstration 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, data is unstable due to the influence of various factors, and effective data can be obtained after the data is stable. 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 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 computer to control the weir flow demonstration experimental apparatus, internet and relevant equipment such as user terminal, combine into the shared system of one with weir flow demonstration experiment platform, the user develops the weir flow demonstration experiment under real experimental environment and condition.
A remotely controllable weir flow experimental system comprising: 1 or more computer-controlled weir flow experimenting devices, a service manager, and 1 or more user terminals.
The computer-controlled weir flow 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-controllable weir flow experimental apparatus comprises: organic glass experiment basin, steady water orifice plate, automatic water level measuring probe, experiment weir, triangle weir measuring flume, triangle weir water level automatic needle cylinder, survey special automatic calibrator of triangle weir crest elevation, porous tail gate, automatic tail gate lifting wheel, support, bypass pipe automatic fine setting valve, bypass pipe, delivery pipe, water supply flow automatic regulating valve, water pump, water storage box, camera, touch-sensitive screen computer and PLC control system.
The water supply pipeline and the bypass pipeline are respectively provided with an electromagnetic valve, and the water pump is connected with the water supply pipeline to deliver water to the organic glass experimental water tank; a porous tail gate is arranged on the organic glass experimental water channel and is connected with an automatic tail gate lifting wheel; the organic glass experiment water tank is connected with the triangular weir water measuring tank, a triangular weir water level automatic measuring needle cylinder and a special automatic calibrator for measuring the elevation of the top of the triangular weir are arranged on the triangular weir water measuring tank, and finally water flows into the water storage tank in a circulating mode.
The equipment is self-circulation water supply, and the return water is stored in a water storage tank. During the experiment, water is supplied to the organic glass experiment water tank by the water pump, and water flows back to the water storage tank through the triangular weir measuring water tank. A water stabilizing pore plate, a wave absorbing device, a porous tail gate and a tail gate lifting mechanism are arranged in the organic glass experimental water tank. Various weir and gate models can be replaced in the organic glass experimental water tank. Measuring the water levels of the weir gate upstream and downstream and the triangular weir water measuring tank by using a measuring needle and a triangular weir water level measuring cylinder respectively; a special calibrator is provided for measuring the elevation of the top of the triangular weir; and the demonstration result is transmitted to a PLC control system through collection, and the data is reflected on a computer touch screen.
Further, the service manager comprises a management platform, the management platform comprises a login interface of the computer-controlled weir flow experimental device and an interface for a user to login and select a certain computer-controlled weir flow experimental device to carry out related experiments, and the service manager is connected with the computer-controlled weir flow experimental device through the internet (wired or wireless); the service manager is connected with the user terminal (including a computer and a mobile phone) through the internet (wired or wireless).
Further, as for the remotely controllable weir flow experiment system, the user terminal includes 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-controlled weir flow experiment device is remotely controlled to complete weir flow experiment demonstration.
Further, the above-mentioned computer-controlled weir flow experimental device can demonstrate various weir flow phenomena introduced in the hydraulics course and downstream water surface connection forms thereof, including side contraction non-weir and other various common phenomena such as wide top weir flow, bottom flow, flip flow, surface flow and scoop flow, etc. by changing different weir bodies.
During the experiment, the water pump supplies water to the experiment water tank, the electromagnetic valve which can be controlled by a computer is arranged in the pipeline, and water flows back to the water storage tank through the triangular weir measuring water tank. The head of the water tank is provided with a water stabilizing and wave eliminating device, and the tail end is provided with a porous tail gate and a tail gate lifting mechanism. The tank can be replaced with various weir and gate models. Measuring the water levels of the weir gate upstream and downstream and the triangular weir water measuring tank by using an automatic water level measuring needle and an automatic triangular weir water level measuring needle cylinder respectively; a special automatic calibrator is arranged for measuring the elevation of the top of the triangular weir; and the demonstration result is transmitted to a PLC control system through collection, and the data is reflected on a computer touch screen.
Has the advantages that:
the utility model discloses solved present colleges and universities to a certain extent and offered the relevant problem that the weir flow experiment demonstration exists to rationally utilize the resource, for the domestic student's of the plumbing science of the colleges and universities that lacks this experimental condition and engineering specialty, through sharing remote experiment, reach the teaching purpose, realize sharing education theory.
Drawings
Fig. 1 is the utility model discloses but remote control's weir flow experimental system's schematic diagram.
Fig. 2 is the structure schematic diagram of the computer-controlled weir flow experimental device of the utility model.
The labels in the figure are: 1-organic glass experimental water tank; 2-water stabilizing pore plate; 3-automatic water level measuring needle; 4, an experimental weir; 5-a triangular weir measuring flume; 6-automatic measuring cylinder for water level of triangular weir; 7-special automatic calibrator for measuring the elevation of the crest of the triangular weir; 8-a porous tail gate; 9-automatic tail gate lifting wheel; 10-a support; 11-bypass pipe automatic fine tuning solenoid valve; 12-a by-pass pipe; 13-a water supply pipe; 14-automatic water supply flow regulating solenoid valve; 15-a water pump; 16-a water reservoir; 17-a camera; 18-touch screen computer; 19-PLC control system.
Fig. 3 is a schematic diagram of the computer-controlled weir flow experimental device of the present invention.
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 diagram of the remotely controllable weir flow experimental system of the present invention; the weir flow demonstration experiment platform based on the shared education concept comprises the following steps: 3 computer-controlled weir flow experimental devices, a service manager and 30 user terminals.
The computer-controlled weir flow 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 utility model provides a but weir flow experimental apparatus that computer controlled, user terminal's form is computer customer end or mobile terminal etc. and at least one user terminal can be connected to the management server.
The utility model provides a but remote control's weir flow experimental system 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 weir flow 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 weir flow experiment demonstration.
The remotely controllable weir flow experiment system can simultaneously develop teaching experiments of the computer controllable weir flow experiment device. In practical application, the remote experiment system can be provided with a plurality of computer-controlled weir flow experiment devices which are uniformly managed by the management server.
FIG. 2 is a schematic structural view of the computer-controlled weir flow experimental facility of the present invention; as shown in fig. 2, the computer-controlled weir flow experimental apparatus comprises: organic glass experiment basin 1, water stabilization hole board 2, automatic water level measuring needle 3, experiment weir 4, triangle weir water measuring tank 5, triangle weir water level automatic needle measuring cylinder 6, special automatic calibrator 7 for measuring triangle weir crest elevation, porous tail gate 8, automatic tail gate lifting wheel 9, support 10, bypass pipe automatic fine adjustment solenoid valve 11, bypass pipe 12, delivery pipe 13, water supply flow automatic regulating solenoid valve 14, water pump 15, water storage tank 16, camera 17, touch-sensitive screen computer 18 and PLC control system 19.
The computer-controlled weir flow experimental device is self-circulation water supply, and the return water is stored in the water storage tank 16. During the experiment, water is supplied to the organic glass experiment water tank 1 by the water pump 15, the bypass pipe automatic fine adjustment electromagnetic valve 11 and the water supply flow automatic adjustment electromagnetic valve 14 are installed in the pipeline, and water flows through the triangular weir measuring water tank and flows back to the water storage tank 16. A water stabilizing pore plate 2, a wave absorbing device, a porous tail gate 8 and an automatic tail gate lifting wheel 9 are arranged in the organic glass experimental water tank 1. Various weir and gate models can be replaced in the organic glass experimental water tank 1. The water levels of the weir gate upstream and downstream and the triangular weir water measuring groove 5 are respectively measured by an automatic water level measuring needle 3 and a triangular weir water level automatic needle measuring cylinder 6; a special automatic calibrator 7 for measuring the elevation of the top of the triangular weir is arranged for measuring the elevation of the top of the triangular weir; the demonstration result is transmitted to the PLC control system 19 through collection, and the data is reflected on the touch screen computer 18.
The remotely controllable weir flow experiment system is based on the internet technology, combines a plurality of computer controllable weir flow demonstration experiment devices into a sharing system, performs weir flow experiment demonstration under real experiment environment and conditions, displays measurement parameters of upstream and downstream, water level of a water tank, water level of a triangular weir, elevation of a weir crest of the triangular weir and the like in real time at a user side, and watches experiment phenomena through the camera 17. On the premise of verifying authenticity and operability, results can be output, curve drawing and the like, each sensor and the camera 17 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 the mobile portable equipment through remote control, observe the experimental processes and the data in real time and derive the relevant experimental data.
The remote experiment system can simultaneously accommodate a plurality of user terminals to access the management server through the 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: the device comprises a bypass pipe automatic fine adjustment electromagnetic valve 11, a water supply flow automatic adjustment electromagnetic valve 14, a triangular weir water level automatic measuring needle cylinder 6, an automatic water level measuring needle 3 and a special automatic calibrator 7 for measuring the elevation of the top of a triangular weir.
The automatic water level measuring probe 3 is arranged on the organic glass experimental water tank 1, the triangular weir water level automatic needle measuring cylinder 6 is arranged in the triangular weir water measuring tank 5, and the water supply flow automatic regulating electromagnetic valve 14 arranged on the water inlet pipe is used for changing the opening degree of the water inlet valve; the bypass pipe automatic fine-tuning electromagnetic valve 11 arranged on the bypass pipeline is used for filling water to balance the front and back water pressure of the water inlet valve.
The remotely controllable weir flow experiment system comprises an organic glass experiment water tank 1, a water storage tank 16 and a triangular weir measuring water tank 5 which are placed on an experiment platform frame; the triangular weir water level automatic measuring cylinder 6 and the special automatic calibrator 7 for measuring the elevation of the triangular weir crest are arranged in the triangular weir water measuring tank 5, an automatic water level measuring needle 3 is arranged on a measuring point on a weir flow pipeline from the organic glass experimental tank 1 to the water storage tank 16, and a water supply flow automatic regulating electromagnetic valve 14 is arranged on a water inlet pipeline and a bypass pipeline, so that the weir flow phenomenon can be visually observed.
Fig. 3 is a schematic diagram of the computer-controlled weir flow experimental device of the present invention.
The service manager includes: the system comprises an industrial personal computer, image acquisition equipment, a processing module and a storage module; the service manager comprises a management platform, the management platform comprises a login interface of the computer-controlled weir flow experimental device and an interface for a user to login and select a certain computer-controlled weir flow experimental device to carry out related experiments, and the service manager is connected with the computer-controlled weir flow experimental device through the internet (wired or wireless); the service manager is connected to the user terminal via the internet (wired or wireless).
The data acquisition device is connected with the industrial personal computer in a wireless manner; the image acquisition equipment is connected with an industrial personal computer through a data bus; the industrial personal computer transmits the information obtained by the data acquisition device and the image acquisition equipment to the processing module in a 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 user terminal comprises a display screen and an operation device.
The display screen and the operation equipment are respectively connected with the processing module through wireless communication interfaces.
The execution equipment, the data acquisition equipment and the image acquisition equipment are respectively connected with the central control machine in a wired communication mode.
The data acquisition equipment comprises upstream and downstream water levels and a triangular weir water level: measured by an automatic water level measuring needle 3 on the pipeline; elevation of a three-top weir: measured by a special automatic calibrator 7 for measuring the elevation of the top of the triangular weir at a measuring point on the pipeline.
The image acquisition equipment comprises but is not limited to a camera 17, the camera 17 is fixed on a computer-controlled weir flow experimental device operating platform support, is connected with a PLC control system 19 and further connected with a touch screen computer 18, and is displayed and controlled (long-range view or close-range 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 end student through camera 17.
The method adopts a mode of 'hardware equipment entity-real experiment scene-remote operation panel', remotely controls the computer-controlled weir flow demonstration experiment device according to the experiment control information input by students at the user terminal, and develops the 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 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 (3)
1. The utility model provides a but remote control's weir flow experimental system which characterized in that based on the weir flow demonstration experimental system of sharing education theory includes: 1 or more computer-controllable weir flow experimental devices, a service manager and 1 or more user terminals;
the computer-controllable weir flow experimental apparatus comprises: the device comprises an organic glass experimental water tank (1), a water stabilizing hole plate (2), an automatic water level measuring needle (3), an experimental weir (4), a triangular weir measuring water tank (5), a triangular weir water level automatic needle measuring cylinder (6), a special automatic calibrator (7) for measuring the elevation of the weir crest of the triangular weir, a porous tail gate (8), an automatic tail gate lifting wheel (9), a bracket (10), a bypass pipe automatic fine adjustment electromagnetic valve (11), a bypass pipe (12), a water supply pipe (13), a water supply flow automatic adjustment electromagnetic valve (14), a water pump (15), a water storage tank (16), a camera (17), a touch screen computer (18) and a PLC control system (19);
install on the water inlet pipe: a bypass pipe automatic fine adjustment electromagnetic valve (11), a water supply flow automatic adjustment electromagnetic valve (14), a triangular weir water level automatic needle measuring cylinder (6), an automatic water level measuring needle (3) and a special automatic calibrator (7) for measuring the elevation of the top of the triangular weir;
the automatic water level measuring needle (3) is arranged on the organic glass experimental water tank (1), the triangular weir water level automatic needle measuring cylinder (6) is arranged in the triangular weir water measuring tank (5), and the water supply flow automatic regulating electromagnetic valve (14) arranged on the water inlet pipe is used for changing the opening of the water inlet valve; the bypass pipe automatic fine-tuning electromagnetic valve (11) arranged on the bypass pipeline is used for filling water to balance the front and rear water pressures of the water inlet valve;
an organic glass experimental water tank (1) and a water storage tank (16) are arranged on an experimental platform frame, and a triangular weir measuring water tank (5); the triangular weir water level automatic needle measuring cylinder (6) and the special automatic calibrator (7) for measuring the elevation of the weir top of the triangular weir are arranged in the triangular weir water measuring tank (5), an automatic water level measuring needle (3) is arranged on a measuring point on a weir flow pipeline from the organic glass experimental water tank (1) to the water storage tank (16), and a water supply flow automatic regulating electromagnetic valve (14) is arranged on a water inlet pipeline and a bypass pipeline, so that the weir flow phenomenon can be visually observed;
the computer-controlled weir flow experimental device is self-circulation water supply, and backwater is stored in the water storage tank (16); during experiments, water is supplied to the organic glass experimental water tank (1) by a water pump (15), a bypass pipe automatic fine adjustment electromagnetic valve (11) and a water supply flow automatic adjustment electromagnetic valve (14) are installed in a pipeline, and water flows through the triangular weir measuring water tank and flows back to the water storage tank (16); a water stabilizing pore plate (2), a wave absorbing device, a porous tail gate (8) and an automatic tail gate lifting wheel (9) are arranged in the organic glass experimental water tank (1); various weir and gate models can be replaced and installed in the organic glass experimental water tank (1); the water levels of the weir gate upstream and downstream and the triangular weir water measuring groove (5) are respectively measured by an automatic water level measuring needle (3) and a triangular weir water level automatic measuring needle cylinder (6); a special automatic calibrator (7) for measuring the elevation of the top of the triangular weir is arranged for measuring the elevation of the top of the triangular weir; and the demonstration result is transmitted to a PLC control system (19) through collection, and the data is reflected on a touch screen computer (18).
2. A remotely controllable weir flow experimental system according to claim 1, wherein the service manager comprises a management platform, the management platform comprises a login interface of the computer controllable weir flow demonstration experimental platform and an interface for a user to login and select a certain computer controllable weir flow demonstration experimental device to carry out related experiments, and the service manager is connected with the computer controllable weir flow demonstration experimental platform through 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 weir flow experimental system of claim 1 wherein the user terminal comprises a computer or a cell 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 computer-controlled weir flow demonstration experiment device is remotely controlled to complete weir flow demonstration experiments.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021278122.4U CN213070282U (en) | 2020-07-02 | 2020-07-02 | Remotely-controllable weir flow experiment system |
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| CN202021278122.4U CN213070282U (en) | 2020-07-02 | 2020-07-02 | Remotely-controllable weir flow experiment system |
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| CN213070282U true CN213070282U (en) | 2021-04-27 |
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