CN216361618U - Flow computer - Google Patents

Abstract

The application discloses a flow computer. The method comprises the following steps: the system comprises a mainboard module, a display module, a signal acquisition input module, a control signal output module, a wired communication module and a satellite wireless communication module; the mainboard module is connected with the display module; the mainboard module is connected with the flowmeter through the wired communication module; the main board module is connected with the signal acquisition input module; the mainboard module is connected with the control signal output module; the main board module is connected with the satellite wireless communication module, and the satellite wireless communication module is in data connection with the data center. The technical scheme disclosed by the application can reduce the access cost of the independent metering system to the data center.

Description

Flow computer

Technical Field

The application relates to the technical field of flow computer manufacturing, in particular to a flow computer.

Background

A flow computer: the device for calculating and indicating parameters such as flow rate under standard reference condition is mainly used for metering hydrocarbon liquid and gas. The delivered volume, mass and energy flow were calculated using AGA, ISO and API standards. The flow computer can be used in single-pass or multi-pass flow meters, and can be used in conjunction with turbine flow meters, roots meters, ultrasonic flow meters, orifice plate flow meters, venturi flow meters, and coriolis mass flow meters, and can also be used as a component of station control systems, fluid calibration/sampling instruments or valves, and process line control loops. The advanced flow computer adopts TCP/IP technology to realize remote operation of the front panel of the flow computer and remotely configure and diagnose the flow meter through a communication interface.

Under the existing situation, for stations where some independent metering systems are located, especially stations with small quantity but inconvenient traffic, a huge cost is needed to perform wired cable laying to complete data communication between a data center/regulation center and a flow computer, and sometimes, cables of dozens of kilometers need to be laid or communication can only be abandoned in order to realize the communication of the metering systems in a remote area.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides a flow computer. The access cost of the independent metering system to the data center is reduced.

An embodiment of the present application provides a flow computer, including: the system comprises a mainboard module, a display module, a signal acquisition input module, a control signal output module, a wired communication module and a satellite wireless communication module;

the mainboard module is connected with the display module; the mainboard module is connected with the flowmeter through the wired communication module; the main board module is connected with the signal acquisition input module; the mainboard module is connected with the control signal output module; the main board module is connected with the satellite wireless communication module, and the satellite wireless communication module is in data connection with the data center.

Optionally, a display connection interface for connecting with the display module is arranged on the motherboard module;

optionally, the wired communication module includes: an Ethernet communication unit and an RS485 communication unit;

the Ethernet communication unit is used for establishing communication connection with an upper system or a remote system; and the RS485 communication unit is used for establishing communication connection with the flowmeter.

Optionally, the ethernet communication unit includes a plurality of ethernet interfaces; the Ethernet communication unit is connected with the mainboard module through an I/O interface.

Optionally, the RS485 communication unit includes a plurality of RS485 connection interfaces; the RS485 communication unit is connected with the mainboard module through an I/O interface;

wherein the flow meter comprises: an ultrasonic flow meter, a temperature transmitter, a pressure transmitter or a component analyzer.

Optionally, the signal acquisition input module is connected to the temperature transmitter and/or the pressure transmitter, and is configured to acquire a measurement value of the temperature transmitter and/or the pressure transmitter.

Optionally, the control signal output module is connected with the flow regulating valve and the pressure regulating valve.

Optionally, an interface for assembling the satellite wireless communication module is arranged on the mainboard module;

and the satellite wireless communication module is used for sending the processed data to a data center and/or receiving a control command sent by the data center.

Optionally, the system further comprises a power supply module; the power module includes a solar power generation unit.

The embodiment of the application adopts at least one technical scheme which can achieve the following beneficial effects:

it can be seen that in the present application, the flow computer uses SCS to implement communication with the data center, and the flow computer communicates with each flow meter through the wired communication module 105 to obtain the measurement data collected by each flow meter, and sends the collected measurement data and the operating state of each flow meter to the data center through the satellite wireless communication module 106. Based on the advantages of wide coverage range, wireless transmission, no need of laying a cable, stable transmission, high connection speed, reasonable and cheap charging and the like of the new generation of SCS, the satellite wireless communication module 106 is additionally arranged in the flow computer, and real-time data interactive transmission based on the SCS is realized through the satellite wireless communication module 106.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a schematic block diagram of a flow computer according to one embodiment of the present application;

FIG. 2 is a schematic diagram of an operating state of a flow computer according to one embodiment of the present application;

FIG. 3 is a schematic diagram of an internal architecture of a flow computer according to one embodiment of the present application;

FIG. 4 is a schematic diagram of a back side of a flow computer according to an embodiment of the present application.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the following specific embodiments of the present application and the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Interpretation of terms

(1) A flow computer: the device for calculating and indicating parameters such as flow rate under standard reference condition is mainly used for metering hydrocarbon liquid and gas. The delivered volume, mass and energy flow were calculated using AGA, ISO and API standards. The flow computer can be used in single-pass or multi-pass flow meters, and can be used in conjunction with turbine flow meters, roots meters, ultrasonic flow meters, orifice plate flow meters, venturi flow meters, and coriolis mass flow meters, and can also be used as a component of station control systems, fluid calibration/sampling instruments or valves, and process line control loops. The advanced flow computer adopts TCP/IP technology to realize remote operation of the front panel of the flow computer and remotely configure and diagnose the flow meter through a communication interface.

(2) An ultrasonic flowmeter: the principle of the ultrasonic flowmeter is a propagation velocity difference method (direct time difference method, phase difference method, and frequency difference method), a beam offset method, a doppler method, a cross-correlation method, a spatial filter method, a noise method, or the like. The device is suitable for measuring the flow of pipelines with large calibers.

(3) A metering system: the measuring system for process measurement or trade handover comprises a flowmeter, a flow computer, a chromatographic analyzer, a pressure transmitter, a temperature transmitter and the like.

(4) Scs (satellite communication system): refers to satellite communication systems that process and transmit voice, data, images, and video via satellites.

(5) CBM (condition Based maintenance) refers to a system for equipment maintenance Based on field state;

fig. 1 is a schematic structural diagram of a flow computer according to an embodiment of the present application, and fig. 2 is a schematic operational diagram of a flow computer according to an embodiment of the present application. As described with reference to fig. 1 and 2, the flow computer includes: the system comprises a main board module 101, a display module 102, a signal acquisition input module 103, a control signal output module 104, a wired communication module 105 and a satellite wireless communication module 106.

The main board module 101 is connected with the display module 102; the mainboard module 101 is connected with the flowmeter through a wired communication module 105; the main board module 101 is connected with the signal acquisition input module 103; the main board module 101 is connected with the control signal output module 104; the main board module 101 is connected to the satellite wireless communication module 106, and the satellite wireless communication module 106 is connected to the data center.

It can be seen that in the present application, the flow computer uses SCS to implement communication with the data center, and the flow computer communicates with each flow meter through the wired communication module 105 to obtain the measurement data collected by each flow meter, and sends the collected measurement data and the operating state of each flow meter to the data center through the satellite wireless communication module 106. Based on the advantages of wide coverage range, wireless transmission, no need of laying a cable, stable transmission, high connection speed, reasonable and cheap charging and the like of the new generation of SCS, the satellite wireless communication module 106 is additionally arranged in the flow computer, and real-time data interactive transmission based on the SCS is realized through the satellite wireless communication module 106. The staff just can realize remote data monitoring, data acquisition, remote diagnosis and configuration maintenance to the flow computer at data center, can also use the operating condition information of each flowmeter in the intelligent analysis measurement system of CBM system.

FIG. 3 is a schematic diagram of an internal architecture of a flow computer according to one embodiment of the present application; FIG. 4 is a schematic diagram of a back side of a flow computer according to an embodiment of the present application. Referring to fig. 3 and 4:

the main board module 101 is provided with a plurality of interfaces for establishing communication connections with the display module 102, the signal acquisition input module 103, the control signal output module 104, the wired communication module 105 and the satellite wireless communication module 106, respectively.

In an embodiment of the present application, a display connection interface for connecting with the display module 102 is disposed on the motherboard module 101; the display module 102 includes a screen unit and a screen driving unit. The display module 102 is configured to display the measured value and the state value calculated by the motherboard module 101. For example, in the display module, the measurement values such as total accumulated flow, instantaneous flow, today's accumulated flow and the like can be displayed, and a parameter setting interface can also be displayed.

In one embodiment of the present application, the wired communication module 105 includes: an Ethernet communication unit 1051 and an RS485 communication unit; the ethernet communication unit 1051 is used for establishing communication connection with an upper system or a remote system; and the RS485 communication unit is used for establishing communication connection with the flowmeter.

As shown in fig. 3, the ethernet communication unit 1051 includes a plurality of ethernet interfaces; the ethernet communication unit is connected to the motherboard module 101 via an I/O interface. In a specific implementation mode, communication connection between a plurality of upper computers is achieved by arranging a plurality of Ethernet interfaces, and complex networking requirements are met.

In an embodiment of the present application, the RS485 communication unit includes a plurality of RS485 connection interfaces; the RS485 communication unit is connected with the mainboard module 101 through an I/O interface; wherein the flow meter comprises: an ultrasonic flow meter, a temperature transmitter, a pressure transmitter or a component analyzer.

In one embodiment of the present application, the signal acquisition input module 103 is connected to the temperature transmitter and/or the pressure transmitter for acquiring the measured value of the temperature transmitter and/or the pressure transmitter. Wherein, the signal acquisition input module 103 supports analog signal input of 4-20maA and digital signal input of HART.

In one embodiment of the present application, the control signal output module 104 is connected to a flow control valve and a pressure control valve. Wherein, the control signal output module 104 is used for process control output, and the work of the devices such as flow regulating valve, pressure regulating valve, odorizing device and the like is based on the output signal of the control signal output module 104.

In one embodiment of the present application, the power module 107 is used to supply power to the motherboard module 101. In order to be able to ensure a continuous power supply of the motherboard module 101, the power supply module 107 comprises a solar power generation unit.

In an embodiment of the present application, the motherboard module 101 is provided with an interface for assembling the satellite wireless communication module 106; and the satellite wireless communication module 106 is used for sending the processed data to a data center and/or receiving a control command sent by the data center. The SCS satellite communication system can be added through the satellite wireless communication module 106, data transmission is carried out between the SCS satellite communication system and the data center based on the SCS satellite communication system, operation of the metering system is remotely monitored by using a satellite broadband, no wire cable or optical cable is required to be laid, and the metering system is particularly convenient to deploy in an area with traffic inconvenience. Effectively reducing the investment cost of communication infrastructure.

In summary, the flow computer provided in the present application uses SCS to implement communication with the data center, and the flow computer communicates with each flow meter through the wired communication module 105 to obtain measurement data collected by each flow meter, and sends the collected measurement data and the operating state of each flow meter to the data center through the satellite wireless communication module 106. Based on the advantages of wide coverage range, wireless transmission, no need of laying a cable, stable transmission, high connection speed, reasonable and cheap charging and the like of the new generation of SCS, the satellite wireless communication module 106 is additionally arranged in the flow computer, and real-time data interactive transmission based on the SCS is realized through the satellite wireless communication module 106. The staff just can realize remote data monitoring, data acquisition, remote diagnosis and configuration maintenance to the flow computer at data center, can also use the operating condition information of each flowmeter in the intelligent analysis measurement system of CBM system.

It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims (9)

1. A flow computer, comprising: the system comprises a mainboard module, a display module, a signal acquisition input module, a control signal output module, a wired communication module and a satellite wireless communication module;

the mainboard module is connected with the display module; the mainboard module is connected with the flowmeter through the wired communication module; the main board module is connected with the signal acquisition input module; the mainboard module is connected with the control signal output module; the main board module is connected with the satellite wireless communication module, and the satellite wireless communication module is in data connection with the data center.

2. The flow computer according to claim 1, wherein a display connection interface for connecting with the display module is arranged on the mainboard module;

the display module includes a screen unit and a screen driving unit.

3. The flow computer of claim 1, wherein the wired communication module comprises: an Ethernet communication unit and an RS485 communication unit;

the Ethernet communication unit is used for establishing communication connection with an upper system or a remote system; and the RS485 communication unit is used for establishing communication connection with the flowmeter.

4. The flow computer according to claim 3, wherein the ethernet communication unit comprises a plurality of ethernet interfaces; the Ethernet communication unit is connected with the mainboard module through an I/O interface.

5. The flow computer of claim 3, wherein the RS485 communication unit comprises a plurality of RS485 connection interfaces; the RS485 communication unit is connected with the mainboard module through an I/O interface;

wherein the flow meter comprises one or more of: an ultrasonic flow meter, a temperature transmitter, a pressure transmitter or a component analyzer.

6. The flow computer of claim 5,

the signal acquisition input module is connected with the temperature transmitter and/or the pressure transmitter and is used for acquiring the measured value of the temperature transmitter and/or the pressure transmitter.

7. The flow computer of claim 1,

the control signal output module is connected with the flow regulating valve and the pressure regulating valve.

8. The flow computer of claim 1,

the main board module is provided with an interface for assembling the satellite wireless communication module;

and the satellite wireless communication module is used for sending the processed data to a data center and/or receiving a control command sent by the data center.

9. The flow computer of claim 1, further comprising a power module;

the power module includes a solar power generation unit.

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