CN211979445U - Automatic needle valve controller - Google Patents
Automatic needle valve controller Download PDFInfo
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- CN211979445U CN211979445U CN201922481106.9U CN201922481106U CN211979445U CN 211979445 U CN211979445 U CN 211979445U CN 201922481106 U CN201922481106 U CN 201922481106U CN 211979445 U CN211979445 U CN 211979445U
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Abstract
The utility model discloses an automatic needle valve controller, including main control board and human-computer interaction module, the main control board function includes: the system comprises a main control board, a human-computer interaction module, a data acquisition module; the operating system architecture of the human-computer interaction module adopts a uCOS II embedded operating system architecture, and the human-computer interaction module is provided with a Modbus controller register and a Modbus data register; the main control board is provided with an external interface, a liquid crystal screen and a keyboard, the external interface collects field instrument data, and the liquid crystal and the keyboard read and write data of a Modbus controller register and a real-time Modbus data register; the controller has the functions of production real-time monitoring and remote well opening and closing control, and controls the automatic opening of the needle valve through different control strategies. An open platform is designed, and the system has compatibility, man-machine interaction, low power consumption and anti-interference performance, and realizes the functions of real-time production monitoring and remote automatic well switching control.
Description
Technical Field
The utility model relates to a controller field specifically indicates an automatic needle valve controller.
Background
The needle valve is a fine adjustment valve, can realize the flow and the pressure of fine precision regulation through the valve, and the electronic needle valve is generally used most, namely the opening degree of the needle valve and the opening and closing actions of the valve are regulated through electronic control, and the electronic needle valve is convenient for automatic regulation and has higher precision than manual regulation, so the needle valve is commonly used in some industries needing fine regulation, such as natural gas, petroleum, precision equipment and the like.
The natural gas and oil dredging pipe or the well head needs to be provided with a valve for adjusting the flow rate and realizing the interception of oil and natural gas in the pipe, and the needle valve is widely applied to the natural gas and oil dredging pipe or the well head valve due to the precise adjustment precision and the automatic performance of the needle valve. However, some existing needle valve controllers for realizing automatic adjustment of needle valves do not have compatibility, are high in low power consumption and low in anti-interference performance, do not have a human-computer interaction function, do not monitor information such as pressure, flow and temperature of pipe orifices in production and transportation in real time, and lack a remote control function.
SUMMERY OF THE UTILITY MODEL
To the problem, the utility model aims at providing an automatic needle valve controller possesses compatibility, human-computer interaction, low-power consumption and interference killing feature simultaneously, realizes production real time monitoring and long-range automatic switch well control function moreover.
In order to realize the technical purpose, the utility model provides a technical scheme is:
the utility model provides an automatic needle valve controller, includes main control board and human-computer interaction module, and the function of main control board includes: the system comprises a main control board, a field instrument, a human-computer interaction module, a Modbus TCP protocol and a control module, wherein the main control board is used for acquiring field data, resolving a control algorithm and outputting a control state; the operating system architecture of the human-computer interaction module adopts a uCOS II embedded operating system architecture, the human-computer interaction module is provided with a Modbus controller register and a Modbus data register, the Modbus controller register is in a read-write mode, and the Modbus data register is in a read-only mode; the main control board is provided with an external interface, a liquid crystal screen and a keyboard, the external interface is used for collecting field instrument data, and the liquid crystal and the keyboard are used for reading and writing Modbus controller registers and displaying real-time Modbus data register data; the controller has the functions of production real-time monitoring and remote automatic well opening and closing control, and realizes automatic opening control of the needle valve through different control strategies.
The utility model has the advantages that: an open platform is designed, and the system has compatibility, man-machine interaction, low power consumption and anti-interference performance, and realizes the functions of real-time production monitoring and remote automatic well switching control.
The production real-time monitoring function comprises the steps of collecting oil pressure, casing pressure and pipe pressure in real time, natural gas wellhead temperature, pressure, instantaneous flow and accumulated flow, and the state of an emergency cutoff valve, and uploading collected data through a Modbus TCP protocol; the remote automatic well switching control function comprises: the opening change of a throttle valve is manually controlled, the emergency cut-off valve is manually controlled to be opened and closed, the automatic opening control of constant pressure, timing and constant flow is set, the well shut-off control of an overpressure automatic emergency cut-off valve is realized, and the local setting of well sites of control parameters is realized through a liquid crystal display and a keyboard.
By adopting the technical scheme, the production real-time monitoring and the remote automatic well opening and closing are realized.
The further optimization is that the external interface is an RS-485 interface and supports a 4-20mA interface.
By adopting the technical scheme, the RS-485 interface is used for collecting the data of the field instrument, and the various interfaces are convenient for collecting the data of the field instrument.
Further optimized, the control strategy includes a timed switch well and a constant pressure switch well.
By adopting the technical scheme, the automatic control of the opening of the needle valve is realized through different control strategies, including timing, constant pressure and constant flow.
The Modbus controller register and the Modbus data register are managed in a partitioning mode.
By adopting the technical scheme, the partition management of the control register and the data register improves the reliability and the expandability of software.
Further optimization is that the automatic needle valve controller is provided with electrical compatibility and software compatibility.
By adopting the technical scheme, the electric compatibility is compatible with a well site 12/24V power supply system, and the power supply system has a low-power-consumption power supply management function; the software compatibility realizes the compatibility of the site control PKS point table address, the site control analysis software does not need to be changed, and the seamless access to the existing system is realized.
The liquid crystal screen adopts a 480 multiplied by 272 color dot matrix touch screen.
By adopting the technical scheme, the human-computer interface is friendly, the parameter setting is convenient, and the state parameters and the collected data of the controller can be observed in real time.
Further optimization is that the power module of the main control board is a special EMC power module.
By adopting the technical scheme, the interference of the needle valve motor on weak signals of the controller is innovatively and thoroughly solved by developing the special EMC power supply module, and the needle valve motor can be popularized and applied in well sites.
Drawings
FIG. 1 is a diagram illustrating a software architecture of a control register and a data register according to the present embodiment;
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings. It should be noted that, in the present application, the upper, lower, left and right terms are the same as the upper, lower, left and right terms in the drawings.
The utility model provides an automatic needle valve controller, includes main control board and human-computer interaction module, and the function of main control board includes: the system comprises a main control board, a field instrument, a human-computer interaction module, a Modbus TCP protocol and a control module, wherein the main control board is used for acquiring field data, resolving a control algorithm and outputting a control state; the operating system architecture of the human-computer interaction module adopts a uCOS II embedded operating system architecture, the human-computer interaction module is provided with a Modbus controller register and a Modbus data register, the Modbus controller register is in a read-write mode, and the Modbus data register is in a read-only mode; the main control board is provided with an external interface, a liquid crystal screen and a keyboard, the external interface is used for collecting field instrument data, and the liquid crystal and the keyboard are used for reading and writing Modbus controller registers and displaying real-time Modbus data register data; the controller has the functions of production real-time monitoring and remote automatic well opening and closing control, and realizes automatic opening control of the needle valve through different control strategies.
The automatic needle valve controller is divided into two functional modules of production real-time monitoring and remote automatic well switching control. Wherein the functions of the production real-time monitoring module include: acquiring real-time data of oil pressure, casing pressure and pipe pressure, data of temperature and pressure of natural gas at a well head, instantaneous flow and accumulated flow, and the state of an emergency shutoff valve, and uploading the data to a station control acquisition system through a Modbus TCP (transmission control protocol); the functions of the remote automatic well switching control module include: through a Modbus TCP protocol, the opening change of a remote manual control throttle valve adjusting valve, the opening and closing of a remote manual control emergency cut-off valve, the automatic opening control of remotely setting constant pressure, timing and constant flow and the well closing control of an overpressure automatic emergency cut-off valve are realized, and meanwhile, the well site local setting of control parameters can be realized through a liquid crystal screen and keys of a controller.
The external interface is an RS-485 interface and supports a 4-20mA interface, the RS-485 interface is used for collecting field instrument data, the collected field instrument data are stored in a Modbus memory area, and the various interfaces are convenient for collecting the data of the field instrument.
The automatic opening control of the needle valve is realized through different control strategies, including timing, constant pressure and constant flow. The control strategy of the present invention is explained below:
firstly, timing well opening and closing:
inputting the well opening time and the well closing time through a keyboard; and when the current control state is in a timing mode, executing the well opening action, delaying the well opening time, executing the well closing action again, delaying the well opening time, executing the well opening action again, and circulating the actions. When the well switching time is updated, the next cycle is active.
Secondly, constant-pressure switching of the well: the controller acts:
opening the well by constant pressure and closing the well by constant pressure through a keyboard; when the current control state is a constant pressure mode, monitoring an oil pressure value, and when the oil pressure value is a constant pressure well opening value, executing a well opening action; and when the oil pressure value is the constant-pressure shut-in value, executing the shut-in action. And when the pressure value of the switch well is updated, the real-time effect is realized.
As shown in fig. 1, the partition management of the control register and the data register, and the partition management of the control register and the data register improve the software reliability and the expandability.
The signal current of the Modbus control register is 4-20mA, one of the Modbus control register is used for writing control words into the Modbus control register through a Modbus TCP protocol, and meanwhile, the station control register is used for reading the control words in the Modbus control register through the Modbus TCP protocol so as to realize the opening control of the needle valve; and secondly, writing control characters into a Modbus control register through the MCU by using a keyboard and a liquid crystal display, and realizing on-off control of the emergency cut-off valve through an RS-485 interface according to the written control characters by the Modbus control register. Table 1 below shows a Modbus control register address list.
For the Modbus data register, firstly, data of a field instrument is registered in the Modbus data register through an RS-485 interface, and then the Modbus data register transmits the read data of the field instrument to a station control configuration through a Modbus TCP protocol; secondly, data of the field instrument is registered in a Modbus data register through a 4-20mA interface, and then the Modbus data register transmits the read data of the field instrument to a liquid crystal display through the MCU to be displayed. Table 2 below shows a Modbus data register address list.
Table 1 Modbus control register address list
TABLE 2 Modbus data register Address List
The utility model designs an open platform, has the function of well site RTU, and the open software platform can be accessed to all instruments on site, can completely replace the well site RTU, and simplifies the well site system; abundant peripheral interfaces, support 4-20mA, RS-485 (Modbus, special protocol) interface instruments; the Modbus RTU/TCP protocol is supported, and transmission modes such as a radio station, a network bridge and 4G are supported; the partition management of the control register and the data register improves the reliability and the expandability of software.
The electric compatibility and the software compatibility are set, the electric compatibility realizes compatibility with a well site 12/24V power supply system, and the power supply management system has a low-power-consumption power supply management function; the software compatibility realizes the compatibility of the site control PKS point table address, the site control analysis software does not need to be changed, and the seamless access to the existing system is realized.
The liquid crystal screen adopts a 480 x 272 color dot matrix touch screen, is friendly in human-computer interface, convenient for parameter setting, and capable of observing the state parameters and the collected data of the controller in real time; the design 4:1 wide voltage input, compatible 12/24V power supply system simultaneously and support 9-36VDC input power, support battery and solar energy autonomous power supply, make the utility model discloses a consumption is less than 3W.
Through developing special EMC power module, the interference of needle valve motor to the weak signal of controller has thoroughly been solved to the novelty, can popularize and apply in the well site.
The utility model discloses an automatic needle valve controller, including main control board and human-computer interaction module, the main control board function includes: the system comprises a main control board, a human-computer interaction module, a data acquisition module; the operating system architecture of the human-computer interaction module adopts a uCOS II embedded operating system architecture, and the human-computer interaction module is provided with a Modbus controller register and a Modbus data register; the main control board is provided with an external interface, a liquid crystal screen and a keyboard, the external interface collects field instrument data, and the liquid crystal and the keyboard read and write data of a Modbus controller register and a real-time Modbus data register; the controller has the functions of production real-time monitoring and remote well opening and closing control, and controls the automatic opening of the needle valve through different control strategies. An open platform is designed, and the system has compatibility, man-machine interaction, low power consumption and anti-interference performance, and realizes the functions of real-time production monitoring and remote automatic well switching control.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the present invention.
Claims (8)
1. An automatic needle valve controller which characterized in that: including main control panel and human-computer interaction module, the function of main control panel includes: the system comprises a main control board, a human-computer interaction module, a data acquisition module, a data processing module and a data processing module, wherein the main control board is used for acquiring field data, calculating a control algorithm and outputting a control state, the human-computer interaction module is used for displaying field instrument data and setting parameters on the field, and the main control board and the human-computer interaction module are; the operating system architecture of the human-computer interaction module adopts a uCOS II embedded operating system architecture, the human-computer interaction module is provided with a Modbus controller register and a Modbus data register, the Modbus controller register is in a read-write mode, and the Modbus data register is in a read-only mode; the main control board is provided with an external interface, a liquid crystal screen and a keyboard, the external interface is used for collecting field instrument data, and the liquid crystal and the keyboard are used for reading and writing the Modbus controller register and displaying real-time Modbus data register data; the controller has the functions of production real-time monitoring and remote automatic well opening and closing control, and realizes automatic opening control of the needle valve through different control strategies.
2. The automatic needle valve controller of claim 1, wherein: the production real-time monitoring function comprises the steps of collecting oil pressure, casing pressure and pipe pressure in real time, the temperature, pressure, instantaneous flow and accumulated flow of a natural gas wellhead, and the state of an emergency shutoff valve, and uploading collected data through a Modbus TCP protocol; the remote automatic well switching control function comprises: the opening change of a throttle valve is manually controlled, the emergency cut-off valve is manually controlled to be opened and closed, the automatic opening control of constant pressure, timing and constant flow is set, the well shut-off control of an overpressure automatic emergency cut-off valve is realized, and the local setting of well sites of control parameters is realized through a liquid crystal display and a keyboard.
3. The automatic needle valve controller of claim 1, wherein: the external interface is an RS-485 interface and supports a 4-20mA interface.
4. The automatic needle valve controller of claim 1, wherein: the control strategy includes a timed switch well and a constant pressure switch well.
5. The automatic needle valve controller of claim 1, wherein: and the Modbus controller register and the Modbus data register are managed in a partitioned mode.
6. The automatic needle valve controller of claim 1, wherein: the automatic needle valve controller is provided with electrical compatibility and software compatibility.
7. The automatic needle valve controller of claim 1, wherein: the liquid crystal screen adopts a 480 x 272 color dot matrix touch screen.
8. The automatic needle valve controller of claim 1, wherein: the power module of the main control board is a special EMC power module.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922481106.9U CN211979445U (en) | 2019-12-31 | 2019-12-31 | Automatic needle valve controller |
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| CN201922481106.9U CN211979445U (en) | 2019-12-31 | 2019-12-31 | Automatic needle valve controller |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112948242A (en) * | 2021-02-23 | 2021-06-11 | 深圳宝新创科技股份有限公司 | Debugging method of embedded controller, terminal equipment and storage medium |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112948242A (en) * | 2021-02-23 | 2021-06-11 | 深圳宝新创科技股份有限公司 | Debugging method of embedded controller, terminal equipment and storage medium |
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