CN212302847U - Self-circulation siphon principle demonstration experimental device capable of being controlled by computer - Google Patents
Self-circulation siphon principle demonstration experimental device capable of being controlled by computer Download PDFInfo
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- CN212302847U CN212302847U CN202021278124.3U CN202021278124U CN212302847U CN 212302847 U CN212302847 U CN 212302847U CN 202021278124 U CN202021278124 U CN 202021278124U CN 212302847 U CN212302847 U CN 212302847U
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Abstract
The utility model provides a self-circulation siphon principle demonstration experimental apparatus that can computer control. The method comprises the following steps: siphon, pressure transmitter, high-order water tank, low level water tank, water pump, suction pipe, warning pipe, destroy siphon solenoid valve, the solenoid valve that drains, first solenoid valve that intakes, the solenoid valve that intakes of second, electromagnetic flowmeter, camera, liquid level controller, water tank, piezometer pipe, piezometer water tank, slide rule, computer touch-sensitive screen and PLC control system. The PLC control system controls the opening and closing of the valve or adjusts the opening, and the pressure transmitter and the electromagnetic flowmeter after the PLC control system are combined can automatically monitor related data; the camera is used for monitoring the real running condition of the experiment in a computer; the touch screen computer is used for displaying and implementing soft control, data storage and program carrier and camera calling related to the PLC. The utility model provides a colleges and universities set up the relevant problem that self-loopa siphon principle demonstration experiment exists, if manual operation inaccuracy, record data untimely etc.
Description
Technical Field
The utility model relates to an industrial control technical field especially relates to a but self-loopa siphon principle demonstration experimental apparatus that computer controlled.
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 siphon principle demonstration experiments and the like. The hydraulic experiment equipment at the present stage generally comprises a high-level water tank, a low-level water tank, a pressure meter, a pressure measuring pipe, a sliding ruler, a water pump, a pressure meter water tank and the like. In the running process of the hydraulics experiment, experimental result data are obtained through an electromagnetic flowmeter, a pressure transmitter, a liquid level controller and the like arranged on the equipment.
At present, the domestic self-circulation siphon principle demonstration experiment platform can be divided into two types: firstly, the students manually carry out experimental operation. Experiment operation must be operated according to an experiment instruction, in order to eliminate the influence of various factors in the experiment and inevitable system errors existing in the experiment, a plurality of experiments are needed, so that a more accurate experiment phenomenon is obtained, and the demonstration process of the self-circulation siphon principle is realized. In actual operation, however, a practical and intuitive demonstration process for observing the self-circulation siphon principle cannot be obtained; there are also experimental phenomena that do not facilitate close-up observation.
The other is a remote virtual simulation experiment scheme based on the internet, which mainly adopts a software simulation experiment platform to carry out online simulation or virtual experiment, the experiment phenomena and data of the scheme are obtained by software calculation under an ideal condition, the experiment environment is completely virtualized by software, the due authenticity in the experiment process is not available, the experiment process is solidified, various interference factors and errors existing in the actual condition cannot be simulated, the experiment process is convenient to know, the experiment effect is difficult to be compared with the real experiment, and the cultivation of the innovation ability and problem discovery consciousness of students is unfavorable.
Disclosure of Invention
An object of the utility model is to solve the defect that above-mentioned prior art exists, provide one kind and rely on but the self-loopa siphon principle demonstration experimental apparatus that the computer controlled, solve manual operation inaccuracy, data record untimely and some inconvenient experimental phenomena scheduling problems that are close to the observation.
But computer control's self-loopa siphon principle demonstrates experimental apparatus structure includes: the device comprises a measuring point, a siphon, a pressure transmitter, a high-level water tank, a low-level water tank, a water pump, a water suction pipe, an overflow pipe, a siphon damage electromagnetic valve, a water discharge electromagnetic valve, a first water inlet electromagnetic valve, a second water inlet electromagnetic valve, an electromagnetic flowmeter, a camera, a liquid level controller, a water tank, a pressure measuring pipe, a pressure measuring meter water tank, a sliding ruler, a computer touch screen and a PLC control system.
The PLC control system controls the signal input and output of the touch screen computer, controls the opening and closing of a valve or adjusts the opening and the opening of a camera; the PLC control system collects online monitoring data transmitted by the pressure transmitter, the electromagnetic flowmeter, the liquid level controller and the like through signal lines.
The high-level water tank and the low-level water tank are connected with a water pump through pipelines, the water pump is started to fill water into the high-level water tank and the low-level water tank, so that the high-level water tank overflows, after the water level of the low-level water tank reaches, a signal is transmitted to a PLC (programmable logic controller) by a liquid level controller, a water supply valve is closed, a solenoid valve connected with the low-level water tank is opened to empty water, and a siphoning phenomenon is generated; a siphon breaking solenoid valve is installed in the siphon tube, and if the solenoid valve is opened, the siphon phenomenon is broken.
Furthermore, the experimental device for demonstrating the self-circulation siphon principle which can be controlled by the computer comprises the pressure transmitter, the electromagnetic flowmeter and the electromagnetic valve which can be controlled by the computer; a liquid level controller is arranged in the low-level water tank.
The pressure transmitter is arranged on a relevant measuring point of the siphon pipe, and the electromagnetic flowmeter and the electromagnetic valve which can be controlled by a computer are arranged on the siphon pipe; the liquid level controller is arranged in the low-level water tank.
And the pressure transmitter, the electromagnetic flowmeter, the liquid level controller and the like transmit online monitoring data through signal lines.
The pressure transmitter is used for monitoring the pressure data of each pressure measuring point on the siphon on line;
and the liquid level controller transmits a signal to the PLC when monitoring that the water level of the low-level water tank reaches a related water level on line, and stops water supply by the pump.
The electromagnetic flowmeter monitors flow on line and feeds data back to the PLC control system, so that error analysis can be conveniently carried out on the data obtained by experimental observation.
Furthermore, but self-loopa siphon principle demonstration experimental apparatus that computer controlled as above, its characterized in that includes PLC control system control touch-sensitive screen computer, each data acquisition equipment and camera.
The PLC control system controls the signal input and output of the touch screen computer, controls the opening and closing of a valve or adjusts the opening and the opening of a camera; the PLC control system collects online monitoring data transmitted by the pressure transmitter, the electromagnetic flowmeter, the liquid level controller and the like through signal lines.
The touch screen computer is used for receiving the online monitoring data transmitted by the PLC control system and displaying an operation interface, so that the touch screen control operation device is realized.
The camera is used for observing experimental phenomena through a computer, and the focal length of the lens can be controlled and adjusted through software to observe some experimental phenomena which are inconvenient to approach and observe.
The principle of the self-circulation siphon principle demonstration experiment device capable of being controlled by the computer is that the experiment device, the execution equipment, the data acquisition equipment, the image acquisition equipment, the PLC control system and the touch screen computer are demonstrated by the self-circulation siphon principle demonstration experiment device capable of being controlled by the computer.
Furthermore, according to the principle of the computer-controlled self-circulation siphon principle demonstration experimental device, the number of the measuring points on the siphon is 8, each measuring point is provided with a pressure transmitter, one measuring point is provided with an electromagnetic flowmeter, and a liquid level controller is arranged in the low-level water tank.
Furthermore, the computer-controlled self-circulation siphon principle demonstration experiment device comprises 8 measuring points on the siphon, wherein each measuring point is provided with a pressure transmitter, and one measuring point is provided with an electromagnetic flowmeter; the measured data are collected and transmitted to a PLC control system, the data are reflected on a touch screen computer, and then the Bernoulli equation is verified by the data; the change of the liquid column in the pressure measuring pipe can be observed through the camera.
Has the advantages that:
the utility model provides a but computer control's self-loopa siphon principle demonstration experimental apparatus relies on relevant laboratory glassware such as self-loopa siphon principle demonstration experimental apparatus, PLC control system, touch-sensitive screen computer and camera, changes manually operation equipment, manual record data into through accurate operation of computer, automatic record data etc. has improved the efficiency of experiment.
Drawings
Fig. 1 is a schematic structural view of the self-circulation siphon principle demonstration experimental device which can be controlled by a computer.
The labels in the figure are: 1-measuring points; 2-siphon tube; 3-a pressure transmitter; 4-high level water tank; 5-a low-level water tank; 6, a water pump; 7-a suction pipe; 8-an overflow pipe; 9-1-breaking siphon electromagnetic valve; 9-2-water discharging electromagnetic valve; 9-3-a first water inlet electromagnetic valve; 9-4-a second water inlet electromagnetic valve; 10-an electromagnetic flow meter; 11-a camera; 12-a liquid level controller; 13-a water tank; 14-a pressure measuring pipe, 15-a pressure measuring meter water tank, 16-a slide rule, 17-a touch screen computer and 18-a PLC control system.
Fig. 2 is a schematic diagram of the self-circulation siphon principle 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 a schematic structural view of a computer-controlled self-circulation siphon principle demonstration experimental device of the utility model; as shown in fig. 1, the utility model provides a but self-loopa siphon principle demonstration experimental apparatus that computer was controlled ties and includes enough: the device comprises a siphon pipe 2, a pressure transmitter 3, a high-level water tank 4, a low-level water tank 5, a water pump 6, a water suction pipe 7, an overflow pipe 8, a 9-1-broken siphon electromagnetic valve, a 9-2-water discharge electromagnetic valve, a 9-3-first water inlet electromagnetic valve, a 9-4-second water inlet electromagnetic valve, an electromagnetic flowmeter 10, a camera 11, a liquid level controller 12, a water tank 13, a pressure measuring pipe 14, a pressure measuring meter water tank 15, a slide rule 16, a touch screen computer 17 and a PLC control system 18.
The PLC control system 18 controls the signal input and output of the touch screen computer 17, controls the opening and closing of a valve or adjusts the opening degree and the opening and closing of the camera 11; the PLC control system 18 collects online monitoring data transmitted by the pressure transmitter 3, the electromagnetic flowmeter 10, the liquid level controller 12, and the like through signal lines.
The high-level water tank 4 and the low-level water tank 5 are both connected with a water pump 6 through pipelines, the water pump 6 is started to fill water into the high-level water tank 4 and the low-level water tank 5, so that the high-level water tank 4 overflows, after the water level of the low-level water tank 5 reaches, a signal is transmitted to a PLC (programmable logic controller) by a liquid level controller 12, a water supply valve is closed, a water discharge electromagnetic valve 9-2 connected with the low-level water tank is opened to empty water, and a siphoning phenomenon is generated; a siphon breaking solenoid valve 9-1 is installed on the siphon tube 2, and when the solenoid valve 9-1 is opened, the siphon phenomenon is broken.
In order to accurately measure various parameters of the water inlet pipeline, the water inlet pipeline is provided with: the device comprises a pressure transmitter 3, a siphon breaking electromagnetic valve 9-1, a water discharging electromagnetic valve 9-2, a first water inlet electromagnetic valve 9-3, a second water inlet electromagnetic valve 9-4, an electromagnetic flowmeter 10 and a liquid level control valve 12.
The siphon pipe is provided with 8 measuring points, each measuring point is provided with a pressure transmitter 3, one measuring point is provided with an electromagnetic flowmeter 10, and a low-level water tank 5 is internally provided with a liquid level controller 12.
The pressure transmitter 3 is arranged on each measuring point, the number of the electromagnetic valves 9 is four, and one siphon breaking electromagnetic valve 9-1 is arranged on a three-way pipeline at the right end of the siphon pipe 3 and is used for realizing or breaking a siphon phenomenon; a first water inlet electromagnetic valve 9-3 arranged on a connecting pipeline of the water pump 6 and the high-level water tank 4 and used for injecting water into the high-level water tank 4; a second water inlet electromagnetic valve 9-4 installed on the connecting pipeline of the water pump 6 and the low level water tank 5 for injecting water into the low level water tank 5; a water discharging electromagnetic valve 9-2 arranged on the overflow pipe 8, and the water discharging electromagnetic valve 9-2 is opened after the low-level water tank 5 meets the water level requirement; measured data are collected and transmitted to the PLC control system 18, the data are reflected on the touch screen computer 17, and then the Bernoulli equation is verified through the data; the change of the liquid column in the pressure measuring pipe can be observed through the camera.
The computer-controlled self-circulation siphon principle demonstration experiment device comprises a high-level water tank 4 and a low-level water tank 5 which are arranged on an experiment platform frame, wherein a liquid level controller 12 is arranged in the low-level water tank 5, a pressure transmitter 3 and an electromagnetic flow meter 10 are arranged on each measuring point on a siphon 2 from the high-level water tank 4 to the low-level water tank 5, and a siphon breaking electromagnetic valve 9 is arranged on a three-way pipeline at the right end of the siphon 2, so that the siphon phenomenon and the siphon breaking phenomenon can be visually observed; the data acquisition device comprises a flow rate: measured by an electromagnetic flow meter on the siphon pipeline; pressure: measured by pressure transducers at various measuring points on the siphon pipeline.
Fig. 2 is a schematic diagram of the computer-controlled self-circulation siphon principle demonstration experimental device.
The PLC control system 18 is connected with the execution equipment through a signal wire; the data acquisition device and the image acquisition equipment are connected with the PLC control system 18 through signal lines.
The PLC control system 18 controls the operation and stop of the execution equipment through a signal line; and simultaneously, the information obtained by the data acquisition device and the image acquisition equipment is transmitted to the touch screen computer 17 through a signal line.
The display screen of the touch screen computer 17 and the operation equipment are respectively connected with the PLC control system 18 through signal lines.
The execution equipment comprises a water pump 6, a siphon breaking electromagnetic valve 9-1, a water discharging electromagnetic valve 9-2, a first water inlet electromagnetic valve 9-3 and a second water inlet electromagnetic valve 9-4.
The execution equipment, the data acquisition equipment and the image acquisition equipment are respectively connected with the PLC control system 18 in a signal wire communication mode;
the data acquisition device comprises a pressure transmitter 3: monitoring the pressure data of each pressure measuring point on the siphon 2 on line; electromagnetic flow meter 10: monitoring the flow of the siphon 2 on line; the liquid level controller 12: when the water level of the low-level water tank 5 reaches the relevant water level, the signal is transmitted to the PLC control system 18, and the water supply of the water pump 6 is stopped.
The image acquisition equipment includes but not limited to camera 11, but camera 11 is fixed in but on computer operation's the support of self-loopa siphon principle demonstration experimental apparatus, through self-loopa siphon principle demonstration experimental apparatus support with PLC control system 18 is connected, and the student can monitor the experiment running situation in the computer, and accessible software operation adjustment camera 11 focus is observed the experimental phenomenon that is not convenient for to be close to.
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 (2)
1. The utility model provides a but computer control's self-loopa siphon principle demonstrates experimental apparatus, but its characterized in that computer control's self-loopa siphon principle demonstrates experimental apparatus includes: the device comprises a siphon (2), a pressure transmitter (3), a high-level water tank (4), a low-level water tank (5), a water pump (6), a water suction pipe (7), an overflow pipe (8), a siphon breaking electromagnetic valve (9-1), a water discharging electromagnetic valve (9-2), a first water inlet electromagnetic valve (9-3), a second water inlet electromagnetic valve (9-4), an electromagnetic flowmeter (10), a camera (11), a liquid level controller (12), a water tank (13), a pressure measuring pipe (14), a pressure measuring meter water tank (15), a slide rule (16), a touch screen computer (17) and a PLC control system (18);
the high-level water tank (4) and the low-level water tank (5) are connected with a water pump through pipelines, the water pump is started to fill water into the high-level water tank (4) and the low-level water tank (5) through a water inlet electromagnetic valve, so that the high-level water tank (4) overflows, after the water level of the low-level water tank (5) reaches, a signal is transmitted to a PLC (programmable logic controller) control system (18) through a liquid level controller (12), a water supply valve is closed, a water discharge electromagnetic valve (9-2) connected with the low-level water tank (5) is opened to empty water, and a siphoning phenomenon is generated; a siphon breaking electromagnetic valve (9-1) is installed on the siphon (2), and when the electromagnetic valve (9-1) is opened, the siphon phenomenon is broken.
2. The computer-controlled self-circulation siphon principle demonstration experimental device according to claim 1, characterized in that the siphon (2) has 8 measuring points, each measuring point is provided with a pressure transmitter (3), and one measuring point is provided with an electromagnetic flowmeter (10); measured data are collected and transmitted to a PLC control system (18), the data are reflected on a computer touch screen, and then the Bernoulli equation is verified through the data; the change of the liquid column in the piezometric tube (14) can be observed through the camera (11).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021278124.3U CN212302847U (en) | 2020-07-02 | 2020-07-02 | Self-circulation siphon principle demonstration experimental device capable of being controlled by computer |
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| CN202021278124.3U CN212302847U (en) | 2020-07-02 | 2020-07-02 | Self-circulation siphon principle demonstration experimental device capable of being controlled by computer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113359603A (en) * | 2021-07-12 | 2021-09-07 | 北京中瀚环球真空流体科技有限责任公司 | Vacuum jet siphon drainage equipment monitoring system based on PLC |
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2020
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113359603A (en) * | 2021-07-12 | 2021-09-07 | 北京中瀚环球真空流体科技有限责任公司 | Vacuum jet siphon drainage equipment monitoring system based on PLC |
| CN113359603B (en) * | 2021-07-12 | 2022-08-16 | 北京中瀚环球真空流体科技有限责任公司 | Vacuum jet siphon drainage equipment monitoring system based on PLC |
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