Multifunctional electric control device of gas fuel valve

Abstract

The utility model discloses a multifunctional electric control device of a gas fuel valve. The multifunctional electric control device comprises an electric control device body. The CPU is arranged on the electric control device main body; the interface module is arranged on the electric control device main body, is connected with the CPU and is used for inputting and outputting analog quantity and switching quantity; the communication interface is arranged on the electric control device main body; the DCS system is connected with the communication interface and the interface module; and the signal conversion component is connected with the interface module and an external gas fuel valve. The utility model has the following beneficial effects: 1, the system is integrated in a DCS (Distributed Control System): the system is seamlessly accessed to the DCS, and high-efficiency execution of complex control logic is realized; 2, input and output ports are diversified, analog quantity supports two paths of input and one path of output, and high-precision signal acquisition and control requirements are met; four paths of input are used for receiving state signals, and two paths of output are used for directly controlling an execution element.

Description

Technical Field

[0001] The utility model relates to the technical field of the control of gas fuel valves, and particularly relates to a multifunctional electronic control device for a gas fuel valve. Background Art

[0002] Gas fuel valves play a crucial role in equipment such as gas turbines, and are used to control the fuel flow rate to ensure the stability and efficiency of the combustion process. Some gas fuel valve control systems in the prior art may only be able to achieve basic fuel flow control, lacking diversified functions. Some existing control systems may be difficult to integrate with other devices or control systems, limiting the efficiency and flexibility of the overall system. The operation interfaces of some existing control systems may be complex and require professional personnel for operation and maintenance, increasing the operation and maintenance costs. Summary of the Invention

[0003] According to an embodiment of the utility model, there is provided a multifunctional electronic control device for a gas fuel valve, comprising:

[0004] An electronic control device main body;

[0005] A CPU, which is arranged on the electronic control device main body;

[0006] An interface module, which is arranged on the electronic control device main body and is connected to the CPU, and is used for the input and output of analog and digital signals;

[0007] A communication interface, which is on the electronic control device main body;

[0008] A DCS system, which is connected to the communication interface and the interface module;

[0009] A signal conversion component, which is connected to the interface module and an external gas fuel valve.

[0010] Furthermore, the interface module comprises:

[0011] Two analog input interfaces, which are arranged on the electronic control device main body and are connected to the CPU, the DCS system and the signal conversion component;

[0012] One analog output interface, which is arranged on the electronic control device main body and is connected to the CPU, the DCS system and the signal conversion component;

[0013] Four digital input interfaces, which are arranged on the electronic control device main body and are connected to the CPU, the DCS system and the signal conversion component;

[0014] Two digital output interfaces are provided. The two digital output interfaces are arranged on the main body of the electronic control device and are connected to the CPU, DCS system, and signal conversion components.

[0015] Furthermore, a PID operation loop is provided on the CPU.

[0016] Furthermore, the DCS system is connected to the communication interface through the CAN bus.

[0017] Furthermore, the DCS system is connected to the communication interface through the RS485 bus.

[0018] Furthermore, the DCS system is connected to the interface module through hard wiring.

[0019] A multi-functional electronic control device for a gas fuel valve according to an embodiment of the present invention has the following beneficial effects:

[0020] 1. Integrated into the DCS system: The present invention seamlessly accesses the distributed control system (DCS) to achieve efficient execution of complex control logics.

[0021] 2. Diversified input and output ports:

[0022] Analog quantity: Supports two inputs and one output, meeting the requirements for high-precision signal acquisition and control.

[0023] Digital quantity: Four inputs are used to receive status signals, and two outputs directly control the actuators.

[0024] Signal conversion: Provides ±15mA conversion cards and extended relay cards to enhance signal compatibility and system expandability.

[0025] 3. Efficient PID control and intelligent optimization:

[0026] Fast PID loop: The operation period is as fast as 0.1ms, ensuring fast response and precise control.

[0027] Automatic adjustment: Automatically adjusts the fuel flow according to the set parameters to optimize the combustion process.

[0028] Intelligent decision-making: Based on real-time data intelligent analysis, optimizes the combustion efficiency, reduces energy consumption and emissions.

[0029] Real-time monitoring and diagnosis: Comprehensively monitors parameters such as valve position, temperature, and pressure, and provides equipment status diagnosis functions.

[0030] 4. General applicability and easy integration:

[0031] General design: Adapts to gas fuel valves of different models and manufacturers, reducing customization costs.

[0032] Easy integration: It can be easily connected to other devices or control systems, enhancing the overall system efficiency and synergy.

[0033] It is to be understood that both the foregoing general description and the following detailed description are exemplary and are intended to provide further explanation of the claimed technology. Brief Description of the Drawings

[0034] Figure 1 It is an overall structure diagram of a multi-functional electronic control device for a gas fuel valve according to an embodiment of the present invention. Detailed Description of the Preferred Embodiment

[0035] Hereinafter, the preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings, and the present invention will be further elaborated.

[0036] First, in combination with Figure 1 A multi-functional electronic control device for a gas fuel valve according to an embodiment of the present invention will be described, which is used for the control of the gas fuel valve 8 and has a wide range of application scenarios.

[0037] As Figure 1 shown, a multi-functional electronic control device for a gas fuel valve according to an embodiment of the present invention includes an electronic control device main body 1, a CPU 2, an interface module, a communication interface 4, a DCS system 5, and a signal conversion component 6.

[0038] Specifically, as Figure 1 shown, the CPU 2 is arranged on the electronic control device main body 1. There is a PID operation circuit 7 on the CPU 2, and the operation period is at most 0.1 ms.

[0039] Specifically, as Figure 1 shown, the interface module is arranged on the electronic control device main body 1 and is connected to the CPU 2 for the input and output of analog and digital signals. The interface module includes: two 0-20 mA analog input interfaces 31, one 0-20 mA analog output interface 32, four digital input interfaces 33, and two digital output interfaces 34. The two analog input interfaces 31 are arranged on the electronic control device main body 1 and are connected to the CPU 2, the DCS system 5, and the signal conversion component 6; one analog output interface 32 is arranged on the electronic control device main body 1 and is connected to the CPU 2, the DCS system 5, and the signal conversion component 6; four digital input interfaces 33 are arranged on the electronic control device main body 1 and are connected to the CPU 2, the DCS system 5, and the signal conversion component 6; two digital output interfaces 34 are arranged on the electronic control device main body 1 and are connected to the CPU 2, the DCS system 5, and the signal conversion component 6.

[0040] Specifically, as Figure 1 shown, the communication interface 4 is on the electronic control device main body 1.

[0041] Specifically, as Figure 1 shown, the DCS system 5 is connected to the communication interface 4 and the interface module. In this embodiment, the DCS system 5 can be the independently developed 4000+ or Fairy system, or it can be a third-party DCS system 5. The DCS system 5 is connected to the communication interface 4 through the CAN bus or the RS485 bus. The DCS system 5 is connected to the interface module through the hard wire 9.

[0042] Specifically, as Figure 1 shown, the signal conversion component 6 is connected to the interface module and the external gas fuel valve 8. Non-standard signals can be selected to be converted by the signal conversion component 6. The signal conversion component 6 includes: ±15mA input / output conversion card, voltage-current conversion card, extended relay card, safety barrier, etc.

[0043] The valve opening, pressure, temperature, start / stop signal, etc. of the gas fuel valve 8 are connected to the electronic control device through the hard wire.

[0044] Above, with reference to Figure 1 described is a multi-functional electronic control device for a gas fuel valve according to an embodiment of the present invention, which has the following beneficial effects:

[0045] 1. Integrated into the DCS system 5: The present invention seamlessly accesses the distributed control system (DCS) to achieve efficient execution of complex control logics.

[0046] 2. Diversified input / output ports:

[0047] Analog quantity: Supports two-way input and one-way output, adapting to the requirements of high-precision signal acquisition and control.

[0048] Digital quantity: Four-way input is used to receive status signals, and two-way output directly controls the actuators.

[0049] Signal conversion: Provides a ±15mA conversion card and an extended relay card to enhance signal compatibility and system expandability.

[0050] 3. Efficient PID control and intelligent optimization:

[0051] Fast PID loop: The operation period is as fast as 0.1ms at the fastest, ensuring fast response and precise control.

[0052] Automatic adjustment: Automatically adjusts the fuel flow according to the set parameters to optimize the combustion process.

[0053] Intelligent decision-making: Based on real-time data intelligent analysis, optimizes the combustion efficiency, reduces energy consumption and emissions.

[0054] Real-time monitoring and diagnosis: Comprehensively monitors parameters such as valve position, temperature, and pressure, and provides a device status diagnosis function.

[0055] 4. General applicability and easy integration:

[0056] General design: It is adapted to gas fuel valves 8 of different models and manufacturers, reducing customization costs.

[0057] Easy integration: It can be easily connected to other devices or control systems, improving the overall system efficiency and synergy.

[0058] It should be noted that in this specification, the terms "including", "comprising" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or further includes elements inherent to such process, method, article or device. Without further limitation, the elements defined by the statement "comprising..." do not exclude the presence of additional identical elements in the process, method, article or device including the said elements.

[0059] Although the content of the present utility model has been introduced in detail through the above preferred embodiments, it should be recognized that the above description should not be construed as a limitation of the present utility model. After those skilled in the art have read the above content, various modifications and substitutions to the present utility model will be obvious. Therefore, the protection scope of the present utility model shall be defined by the appended claims.

Claims

1. A multifunctional electronic control device for a gas fuel valve, characterized in that, Comprising: The main body of the electric control device; A CPU, which is arranged on the main body of the electric control device; An interface module, which is arranged on the main body of the electric control device and is connected to the CPU for the input and output of analog and digital signals; A communication interface, which is on the main body of the electric control device; A DCS system, which is connected to the communication interface and the interface module; A signal conversion component, which connects the interface module and an external gas fuel valve.

2. The multifunctional electronic control device of the gas fuel valve according to claim 1, characterized in that, The interface module comprises: Two analog input interfaces, which are arranged on the main body of the electric control device and are connected to the CPU, the DCS system, and the signal conversion component; One analog output interface, which is arranged on the main body of the electric control device and is connected to the CPU, the DCS system, and the signal conversion component; Four digital input interfaces, which are arranged on the main body of the electric control device and are connected to the CPU, the DCS system, and the signal conversion component; Two digital output interfaces, which are arranged on the main body of the electric control device and are connected to the CPU, the DCS system, and the signal conversion component.

3. The multifunctional electronic control device of the gas fuel valve according to claim 1, characterized in that, There is a PID operation loop on the CPU.

4. The multifunctional electronic control device of the gas fuel valve according to claim 1, characterized in that, The DCS system and the communication interface are connected by a CAN bus.

5. The multifunctional electronic control device of the gas fuel valve according to claim 1, characterized in that, The DCS system and the communication interface are connected by an RS485 bus.

6. The multifunctional electronic control device for the gas fuel valve according to claim 1, characterized in that, The DCS system and the interface module are connected by hard wiring.

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