CN220488416U - Flow regulating valve control system - Google Patents
Flow regulating valve control system Download PDFInfo
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- CN220488416U CN220488416U CN202321841718.4U CN202321841718U CN220488416U CN 220488416 U CN220488416 U CN 220488416U CN 202321841718 U CN202321841718 U CN 202321841718U CN 220488416 U CN220488416 U CN 220488416U
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- 230000001105 regulatory effect Effects 0.000 title claims abstract description 41
- 238000001514 detection method Methods 0.000 claims abstract description 10
- 230000001276 controlling effect Effects 0.000 claims abstract description 7
- 238000004891 communication Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 59
- 238000003860 storage Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000010248 power generation Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
The utility model discloses a flow regulating valve control system, which comprises: the flow sensor is arranged in the valve and used for detecting the flow of a pipeline connected with the flow regulating valve in real time; the pressure sensors are at least two and are respectively arranged at the front end and the rear end of the flow regulating valve and are respectively used for acquiring the pressure before the valve and the pressure after the valve in real time; the valve opening detection sensor is used for detecting the opening of the valve in real time; the setting module is used for inputting relevant parameters of the pipe network; the controller is respectively connected with the flow sensor, the pressure sensor, the valve opening detection sensor and the setting module and is used for adjusting the opening of the valve in real time according to the pressure difference between the front valve and the back valve or adjusting the opening of the valve in real time according to the difference between the actual flow and the set flow; and the driver is connected with the controller and used for controlling the opening of the valve in real time according to the control signal output by the controller. And (3) automatically checking according to the value detected by the on-site flow sensor, the set value and the pressure value behind the valve, and automatically controlling the opening of the flow regulating valve, so that intelligent control and control are achieved, and the control of water is not maintained in need of personnel operation.
Description
Technical Field
The utility model particularly relates to a flow regulating valve control system.
Background
The water is filled in the reservoir or the large-scale water tank, the long-distance water delivery pipe network fills water, the water lifting main pipe is filled before the water pump of the large-scale pump station is started for the first time, the water pump is required to be used for filling water, and as the water level of the water filling object changes in the water filling process, the flow and the lift of the water pump are changed: (1) In the initial stage of water filling, the water level of a water filling object is lower, the water filling flow of a water pump is larger, and the lift is lower, so that on one hand, the cavitation performance of the water pump is deteriorated, vibration noise is generated, and the safe operation of a water filling system is threatened; on the other hand, excessive water filling flow adversely affects the water filling object: threatening the safety of the reservoir slope, causing unsmooth long-distance water delivery pipe network and exhaust to induce pipe explosion and influence the turbulence of the flow state in the water lifting main pipe of the large pump station to generate vortex; (2) In the later stage of water filling, the water level of a water filling object is higher, the water filling flow of a water pump is smaller, and the lift is higher, so that on one hand, the water pump is likely to enter a hump area, and the water pump is difficult to stably run; on the other hand, the water filling flow of the water filling object is too small, so that the water filling time is too long, and the operation scheduling management is not facilitated.
In the process of taking domestic water, in order to realize the regulation of flow, municipal administration generally can use the flow regulating valve to control the flow, can realize automatic control and regulation through the flow regulating valve. The flow regulating valve has high regulating precision, low cavitation, noise and vibration, high energy dissipating effect, ideal flow-opening curve, easy automatic control and wide application in large water conveying engineering.
The flow regulating and pressure regulating valve set is mainly used for urban water supply systems and pump station water supply and drainage systems, and is designed for protecting the water supply safety of citizens and the safe operation of a pump of the pump station, so the safe operation of the flow regulating and pressure regulating valve set relates to the normal life of citizens and the safe production of the pump station, and has great significance on providing a stable regulating and controlling system for the water supply system and the drainage system.
Disclosure of Invention
Aiming at the defects existing in the prior art, the utility model aims to provide a flow regulating valve control system.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
a flow regulating valve control system, comprising:
the flow sensor is arranged in the valve and used for detecting the flow of a pipeline connected with the flow regulating valve in real time;
the pressure sensors are at least two and are respectively arranged at the front end and the rear end of the flow regulating valve and are respectively used for acquiring the pressure before the valve and the pressure after the valve in real time;
the valve opening detection sensor is used for detecting the opening of the valve in real time;
the setting module is used for inputting relevant parameters of the pipe network;
the controller is respectively connected with the flow sensor, the pressure sensor, the valve opening detection sensor and the setting module and is used for adjusting the opening of the valve in real time according to the pressure difference between the front valve and the back valve or adjusting the opening of the valve in real time according to the difference between the actual flow and the set flow;
and the driver is connected with the controller and used for controlling the opening of the valve in real time according to the control signal output by the controller.
The controller is provided with a plurality of analog input interfaces and I/O input interfaces.
The controller is also provided with a display and operation interface for being connected with the touch screen.
The controller is also provided with an I/O output interface for valve group state output.
The controller is also provided with a driving interface, and the driver is electrically connected with the controller through the driving interface.
The controller is also provided with a standby battery interface for being electrically connected with a standby battery.
The controller is also provided with a communication interface for data transmission.
The utility model has the beneficial effects that: and (3) automatically checking according to the value detected by the on-site flow sensor, the set value and the pressure value behind the valve, and automatically controlling the opening of the flow regulating valve, so that intelligent control and control are achieved, and the control of water is not maintained in need of personnel operation.
Drawings
Fig. 1 is a logical block diagram of the present utility model.
Fig. 2 is a schematic diagram of an interface of a controller according to the present utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
As shown, the present utility model discloses a flow regulating valve control system, comprising:
the flow sensor is arranged in the valve and used for detecting the flow of a pipeline connected with the flow regulating valve in real time;
the pressure sensors are at least two and are respectively arranged at the front end and the rear end of the flow regulating valve and are respectively used for acquiring the pressure before the valve and the pressure after the valve in real time;
the valve opening detection sensor is used for detecting the opening of the valve in real time;
the setting module is used for inputting relevant parameters of the pipe network;
the controller is respectively connected with the flow sensor, the pressure sensor, the valve opening detection sensor and the setting module and is used for adjusting the opening of the valve in real time according to the pressure difference between the front valve and the back valve or adjusting the opening of the valve in real time according to the difference between the actual flow and the set flow; meanwhile, the controller can also memorize the input data and output a report;
the driver is connected with the controller, and is used for controlling the opening of the valve in real time according to a control signal output by the controller, and the driver is generally an actuator and is linked with the valve rod of the flow regulating valve, so that the valve rod of the flow regulating valve is driven to act, and the opening and closing of the valve are realized.
The controller is provided with a plurality of analog input interfaces and an I/O input interface, wherein the I/O input interface isolates, filters and codes digital input signals so as to input accurate signals to the controller, and the analog input interface accurately samples and filters analog input on site so as to input accurate signals to the controller.
The controller is also provided with a display and operation interface which is used for being connected with a touch screen to output a valve group process state signal, and the touch screen can be operated or displayed and can be used for inquiring faults, parameter setting, report curves and the like; the display of the indicator light and the display of the touch screen are in redundant arrangement, and the operation of the mechanism is redundant by matching with the switch stop in the input signal, so that the operation can not be influenced when the touch screen and the button are in fault.
The controller is also provided with an I/O output interface for outputting the valve group state and outputting the valve group state for executing the operation instruction of the controller.
The controller is also provided with a driving interface, and the driver is electrically connected with the controller through the driving interface to execute the control output of the controller operation, so that the valve group is switched to a state meeting the requirements of on-site working conditions.
The controller is also provided with a standby battery interface which is used for being electrically connected with a standby battery, and when the power source AC380/220V is lost, the CPU and related detection signals are supplied with power, so that the controller and each 5G device can still operate normally, and the condition signals of the valve group are ensured to be monitored normally by the central control room.
The controller is also provided with a communication interface for data transmission, is communicated with a remote central control room, can be in wireless communication, forms a local area network with equipment (such as an electromagnetic flowmeter, a control box, a pressure transmitter and the like) with a 5G function on site, and finally exchanges data with the remote central control room through the 5G or other communication interfaces.
When the power-on control device is powered on for the first time, a control power supply is switched on, a power supply indicator lamp is on, and a controller and a touch screen operation display are in a working state; the default is that the data display state is defaulted, the touch screen operation display displays the valve front pressure, the valve back pressure, the water flow and the valve opening, and only the detection can be operated in the normal range value during the initial starting.
Selecting a control mode by operating the touch screen, and sending a command by the controller by operating the valve to open, wherein the valve is opened, and the 'valve opening middle-level' is displayed on the touch screen at the same time;
at the moment, the valve is normally opened to a full-open position, the valve position of the flow regulating valve is detected through an angle annunciator M-1, a 4-20mA signal is input to the controller, the controller performs operation, and the valve angle-degree is displayed on the touch screen until the valve is fully opened by 90 degrees. When the valve is opened to 90 degrees, a valve full-open signal is sent out for remote DCS monitoring or combined control of other hydraulic equipment.
In the "in-situ operating state", the "close valve" key is tapped, the controller issues a command, the valve is closed, and the "in valve closing" is displayed on the touch screen.
At this time, the valve is normally closed to the full closing position, the throttle valve position is detected through an angle signal device M-1, a 4-20mA signal is input to a controller, the controller performs operation, and the ' valve angle ' -degree ' is displayed on a touch screen until the valve is fully closed at 0 degree. When the valve is closed to 0 ℃, a valve full-closing signal is sent out for remote DCS monitoring or combined control of other hydraulic equipment.
The valve is at any intermediate position when the valve is opened and closed and the stop button is tapped. While the touch screen displays "valve stopped".
When automatic adjustment is needed, the local adjustment function can be realized only by selecting the mode as automatic. At the moment, the electric overhaul valve is automatically opened to be fully opened, and the opening of the back flow regulating valve is automatically checked according to the set value of the on-site flowmeter and the pressure value after the valve and automatically operates. And data exchange is carried out according to remote central control room or 5G signals, so that the flow and pressure function requirements of a valve group arranged at the downstream are met.
The flow regulating valve control system can receive remote valve opening, valve closing, valve stopping and 5G signal exchange, and also outputs various status signals for remote DCS monitoring, and mainly comprises: the flow regulating valve is fully opened, the flow regulating valve is fully closed, the overhaul valve is fully opened, the overhaul valve is fully closed, the remote state, the comprehensive fault, the regulation state and the like are realized, and two or more groups of custom signals are also provided for setting functions required by customers on site. But also the analog signal output of each test.
Meanwhile, the remote communication can also be carried out with the upper computer DCS through a communication interface RS485 (MODBUS), an Ethernet protocol and 5G wireless transmission.
At the same time the present application can be applied to
A, applying the water to urban living water
The control system detects the change of water flow before and after the valve, and the valve automatically adjusts the opening of the valve according to the water consumption in the water consumption peak stage. Thereby meeting the water demand. When the water consumption is low in peak (such as at night), the change of water flow and pressure behind the valve is detected, and the opening degree of the valve is automatically regulated, so that intelligent control is achieved, and the control of water consumption is not maintained by personnel operation.
B, applying the water storage device to reservoir water storage and hydropower station flood control
The control system detects the change of the pressure in front of the valve, and when the water storage capacity of the reservoir reaches the set water level, the valve automatically adjusts the opening of the valve according to the pressure value set by the pipeline. Thereby meeting the demand of the water storage capacity of the reservoir and preventing flood damage in rainy seasons. In the dead water period, the water consumption of the downstream can be met, the power generation water of the hydropower station can be met, and the opening degree of the valve can be adjusted according to the front-back pressure of the valve. Thereby achieving intelligent control.
The examples should not be construed as limiting the utility model, but any modifications based on the spirit of the utility model should be within the scope of the utility model.
Claims (7)
1. A flow regulating valve control system, characterized by: it comprises the following steps:
the flow sensor is arranged in the valve and used for detecting the flow of a pipeline connected with the flow regulating valve in real time;
the pressure sensors are at least two and are respectively arranged at the front end and the rear end of the flow regulating valve and are respectively used for acquiring the pressure before the valve and the pressure after the valve;
the valve opening detection sensor is used for detecting the opening of the valve in real time;
the setting module is used for inputting relevant parameters of the pipe network;
the controller is respectively connected with the flow sensor, the pressure sensor, the valve opening detection sensor and the setting module and is used for adjusting the opening of the valve in real time according to the pressure difference between the front valve and the back valve or adjusting the opening of the valve in real time according to the difference between the actual flow and the set flow;
and the driver is connected with the controller and used for controlling the opening of the valve in real time according to the control signal output by the controller.
2. The flow regulating valve control system of claim 1, wherein: the controller is provided with a plurality of analog input interfaces and I/O input interfaces.
3. The flow regulating valve control system of claim 1, wherein: the controller is also provided with a display and operation interface for being connected with the touch screen.
4. The flow regulating valve control system of claim 1, wherein: the controller is also provided with an I/O output interface for valve group state output.
5. The flow regulating valve control system of claim 1, wherein: the controller is also provided with a driving interface, and the driver is electrically connected with the controller through the driving interface.
6. The flow regulating valve control system of claim 1, wherein: the controller is also provided with a standby battery interface for being electrically connected with a standby battery.
7. The flow regulating valve control system of claim 1, wherein: the controller is also provided with a communication interface for data transmission.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321841718.4U CN220488416U (en) | 2023-07-13 | 2023-07-13 | Flow regulating valve control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321841718.4U CN220488416U (en) | 2023-07-13 | 2023-07-13 | Flow regulating valve control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220488416U true CN220488416U (en) | 2024-02-13 |
Family
ID=89839055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321841718.4U Active CN220488416U (en) | 2023-07-13 | 2023-07-13 | Flow regulating valve control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220488416U (en) |
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2023
- 2023-07-13 CN CN202321841718.4U patent/CN220488416U/en active Active
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