Pneumatic control mechanism of ship valve remote control system

Abstract

The utility model discloses a pneumatic control mechanism of a ship valve remote control system, which comprises a butterfly valve, a gear box, a pneumatic driving head, a control and feedback signal line and a butterfly valve gas supply pipeline, and the butterfly valve is connected with the gear box with a control handle; the pneumatic driving head is connected with the gear box; the pneumatic driving head is connected with a limit switch; one end of the control and feedback signal line is connected with a connecting port of the electrical control box, and the other end is connected with the pneumatic driving head; one end of the butterfly valve air supply pipeline is connected with the electric control box, and the other end is connected with the interface end of the pneumatic driving head; and the electrical control box is connected with the output end of the main gas source pipeline. The remote control system has the functions of remote opening and closing control, state display and alarm for valves in a pump and a pipeline, can remotely control opening and closing of a plurality of pneumatic valves on a ship in a centralized manner on a control console, and can monitor the operation state of each valve in real time, so that normal operation of the ship and an ocean platform can be guaranteed.

Description

Technical Field

[0001] The utility model relates to a ship control system, in particular to a pneumatic control mechanism of a ship valve remote control system. Background Art

[0002] Due to the dramatic climate changes at sea, ocean-going ships need to cope with the harsh marine environment during their voyage. In order to ensure the safe navigation of ocean-going ships, a large number of pneumatic valves and electric valves are integrated on the ships.

[0003] The remote control system of valves is an important part of ship automation control. By controlling the opening of the valves, the liquid level of ballast water in the ballast tank can be adjusted to keep the ship balanced and achieve a stable operating state. Therefore, the performance of the valve remote control system is directly related to the safety and reliability of the ship's navigation at sea.

[0004] However, since each valve needs to be controlled individually, the huge number of valves on the ship makes the valve remote control system extremely complicated, making it difficult to achieve accurate control of each valve. Utility Model Content

[0005] The technical problem to be solved by the utility model is to provide a pneumatic control mechanism of a ship valve remote control system, which can centrally control the opening and closing of multiple pneumatic valves on the ship from a long distance on a console and monitor the operating status of each valve in real time.

[0006] In order to solve the above technical problems, the technical solution of the pneumatic control mechanism of the ship valve remote control system of the utility model is:

[0007] It includes a second butterfly valve 21, a second gear box 22, a pneumatic drive head 23, a second control and feedback signal line 17 and a butterfly valve air supply line 21, the second butterfly valve 21 is connected to the second gear box 22 with a control handle; the pneumatic drive head 23 is connected to the second gear box 22; the pneumatic drive head 23 is connected to the second limit switch 24; one end of the second control and feedback signal line 17 is connected to the seventh connection port of the electrical control box 1, and the other end is connected to the pneumatic drive head 23; one end of the butterfly valve air supply line 21 is connected to the electrical control box 1, and the other end is connected to the interface end of the pneumatic drive head 23; the electrical control box 1 is connected to the output end of the main air source pipeline 22.

[0008] In another embodiment, an electromagnetic reversing valve 26 is provided at the inlet end of the pneumatic drive head 23 .

[0009] In another embodiment, the electromagnetic reversing valve 26 is provided with an exhaust throttle valve.

[0010] In another embodiment, a three-way ball valve 25 is provided on the butterfly valve air supply pipeline 21 .

[0011] In another embodiment, the shell material of the pneumatic drive head 23 is copper alloy or aluminum alloy.

[0012] In another embodiment, the pneumatic drive head 23 is provided with a switch position.

[0013] In another embodiment, the pneumatic drive head 23 is provided with a switch position feedback device.

[0014] In another embodiment, there is no limit to the number of the second butterfly valves.

[0015] In another embodiment, the eighth connection port of the electrical control box 1 is connected to one end of the first automation equipment protocol communication line 16, and the other end of the first automation equipment protocol communication line 16 is connected to the output signal end of the liquid level telemetry sensor.

[0016] The technical effects that can be achieved by the utility model are:

[0017] The utility model has the functions of remote switch control, status display and alarm for pumps and valves in pipelines. It can remotely and centrally control the opening and closing of multiple pneumatic valves on the ship on the console, and monitor the operating status of each valve in real time, so it can ensure the normal operation of ships and offshore platforms. It can be applied to multiple functional fields such as ship pressure discharge, oil transportation, fresh water allocation, fire fighting, etc. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] It should be understood by those skilled in the art that the following description is only intended to schematically illustrate the principles of the present invention, which can be applied in a variety of ways to achieve many different alternative embodiments. These descriptions are only used to illustrate the general principles of the teachings of the present invention and are not intended to limit the utility model concepts disclosed herein.

[0019] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the present invention and, together with the general description above and the detailed description of the drawings below, are used to explain the principles of the present invention.

[0020] The present invention is further described in detail below with reference to the accompanying drawings and specific embodiments:

[0021] Figure 1 It is a schematic diagram of a valve remote control system of the utility model for ships or offshore platforms;

[0022] Figure 2 It is a schematic diagram of the electric control mechanism of the ship valve remote control system of the utility model;

[0023] Figure 3 The utility model is a schematic diagram of the pneumatic control mechanism of the ship valve remote control system.

[0024] Description of reference numerals in the figures:

[0025] 1 is the electrical control box, 2 is the monitoring alarm system,

[0026] 3 is the computer in the control room, 4 is the computer in the office,

[0027] 11 is a power supply line, 12 is a first Ethernet protocol communication line,

[0028] 13 is a second Ethernet protocol communication line, 14 is a second automation equipment protocol communication line,

[0029] 15 is the system power failure alarm signal line, 16 is the first automation equipment protocol communication line,

[0030] 17 is a second control and feedback signal line, 18 is a first control and feedback signal line,

[0031] 19 is the sensor signal line, 20 is the control box feedback signal line,

[0032] 21 is the second butterfly valve, 22 is the second gear box,

[0033] 23 is a pneumatic drive head, 24 is a second limit switch,

[0034] 25 is a three-way ball valve, 26 is an electromagnetic reversing valve,

[0035] 31 is the first butterfly valve, 32 is the first gear box,

[0036] 33 is an electric drive head,

[0037] 41 is a pressure sensor, 42 is an instrument valve,

[0038] 51 is a pump. DETAILED DESCRIPTION

[0039] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution of the embodiment of the utility model will be clearly and completely described in conjunction with the drawings of the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the described embodiment of the utility model, all other embodiments obtained by ordinary technicians in the field without creative work belong to the scope of protection of the utility model. Unless otherwise defined, the technical terms or scientific terms used herein should be the common meanings understood by people with ordinary skills in the field to which the utility model belongs. The "first", "second" and similar words used in this article do not indicate any order, quantity or importance, but are only used to distinguish different components. "Including" and similar words mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents, without excluding other elements or objects. "Connect" or "connected" and similar words are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. "Up", "down", "left", "right", etc. are only used to indicate relative position relationships. When the absolute position of the object being described changes, the relative position relationship may also change accordingly.

[0040] like Figure 1 As shown, the utility model is used for a valve remote control system of a ship or an offshore platform, comprising an electrical control box 1, wherein the electrical control box 1 has a plurality of connection ports;

[0041] The first connection port of the electrical control box 1 is connected to a power supply line 11, and the power supply line 11 is used to supply power to the electrical control box 1;

[0042] The second connection port of the electrical control box 1 is connected to one end of the first Ethernet protocol communication line 12, and the other end of the first Ethernet protocol communication line 12 is connected to the office computer 4;

[0043] The third connection port of the electrical control box 1 is connected to one end of the second Ethernet protocol communication line 13, and the other end of the second Ethernet protocol communication line 13 is connected to the control room computer 3; the office computer 4 and the control room computer 3 serve as remote control valve consoles; the office computer 4 and the control room computer 3 can be one or more respectively;

[0044] The fourth connection port of the electrical control box 1 is respectively connected to one end of the second automation equipment protocol communication line 14 and the system power failure alarm signal line 15, and the other ends of the second automation equipment protocol communication line 14 and the system power failure alarm signal line 15 are connected to the monitoring alarm system 2;

[0045] The fifth connection port of the electrical control box 1 is connected to one end of the sensor signal line 19 and the control box feedback signal line 20, and the other end of the sensor signal line 19 is connected to the wiring terminal of the pressure sensor 41; the pressure sensor 41 is arranged on the outlet pipe of the pump 51; the pressure sensor 41 is used to detect the outlet pressure of the pump 51; the pump outlet pipe is also provided with an instrument valve 42; the other end of the control box feedback signal line 20 is connected to the wiring terminal of the pump 51; the control box feedback signal line 20 is used to transmit the signal of the pump 51 to the electrical control box 1;

[0046] The sixth connection port of the electrical control box 1 is connected to one end of the first control and feedback signal line 18, and the other end of the first control and feedback signal line 18 is connected to the electric drive head 33 of the electric butterfly valve; the first control and feedback signal line 18 is used to transmit the switch control signal of the electric butterfly valve to the electrical control box 1;

[0047] Furthermore, if Figure 2 As shown, the electric butterfly valve includes a first butterfly valve 31, the first butterfly valve 31 is connected to a first gear box 32 with a control handle, and the first gear box 32 is connected to an electric drive head 33 with a self-locking device; the electric drive head 33 has a built-in first limit switch, and the first limit switch can display the valve opening of the first butterfly valve 31 on the spot; the first gear box 32 can be manually switched by the control handle;

[0048] The housing material of the electric drive head 33 can be ductile iron or aluminum alloy.

[0049] Preferably, the electric drive head 33 is provided with a switch position or switch position feedback device.

[0050] Furthermore, the number of the electric butterfly valves can be unlimited; each electric butterfly valve is connected to the sixth connection port of the electrical control box 1 through the first control and feedback signal line 18; then the signal of each electric butterfly valve can be transmitted to the electrical control box 1 through the first control and feedback signal line 18;

[0051] The seventh connection port of the electrical control box 1 is connected to one end of the second control and feedback signal line 17, and the other end of the second control and feedback signal line 17 is connected to the pneumatic drive head 23 of the pneumatic butterfly valve; the second control and feedback signal line 17 is used to transmit the switch control signal of the pneumatic butterfly valve to the electrical control box 1;

[0052] Furthermore, if Figure 3 As shown, the pneumatic butterfly valve includes a second butterfly valve 21, the second butterfly valve 21 is connected to a second gear box 22 with a control handle, the second gear box 22 is connected to a pneumatic drive head 23; the pneumatic drive head 23 is connected to a second limit switch 24, and the second limit switch 24 can display the valve opening of the second butterfly valve 21 on site; the second gear box 22 can be manually switched by the control handle;

[0053] The shell material of the pneumatic drive head 23 can be copper alloy or aluminum alloy.

[0054] Preferably, the pneumatic drive head 23 is provided with a switch position or switch position feedback device.

[0055] The electrical control box 1 is connected to the output end of the main gas source pipeline 22; the main gas source pipeline 22 can be made of copper pipe;

[0056] The electrical control box 1 is connected to one end of the butterfly valve air supply pipeline 21, and the other end of the butterfly valve air supply pipeline 21 is connected to the interface end of the pneumatic drive head 23;

[0057] A three-way ball valve 25 is provided on the butterfly valve air supply line 21, and the three-way ball valve 25 is used for exhausting air during manual operation;

[0058] The inlet end of the pneumatic drive head 23 is provided with an electromagnetic reversing valve 26, and the electromagnetic reversing valve 26 is provided with an exhaust throttle valve;

[0059] Furthermore, the pneumatic butterfly valves may be multiple and unlimited in number; each pneumatic butterfly valve is connected to the seventh connection port of the electrical control box 1 through the second control and feedback signal line 17; then the signal of each pneumatic butterfly valve can be transmitted to the electrical control box 1 through the second control and feedback signal line 17;

[0060] The eighth connection port of the electrical control box 1 is connected to one end of the first automation equipment protocol communication line 16, and the other end of the first automation equipment protocol communication line 16 is connected to the output signal end of the liquid level telemetry sensor for receiving the liquid level telemetry signal.

[0061] The utility model can remotely control the opening or closing of multiple butterfly valves in a single valve or grouped manner. When the system loses power or air completely, the pneumatic butterfly valve and the electric butterfly valve can maintain their original state. The three-way ball valve 25 is manually adjusted to manually exhaust the electromagnetic reversing valve 26, so that the pneumatic butterfly valve can be opened and closed.

[0062] The electrical control box 1 and the monitoring alarm system 2 of the present invention adopt the existing technology, which will not be described in detail here.

[0063] The working principle of the utility model is as follows:

[0064] The power supply line 11 supplies power to the electrical control box 1;

[0065] The first control and feedback signal line 18 transmits the signal of the electric butterfly valve to the electrical control box 1;

[0066] The second control and feedback signal line 17 transmits the signal of the pneumatic butterfly valve to the electrical control box 1;

[0067] The sensor signal line 19 transmits the outlet pressure information of the pump 51 collected by the pressure sensor 41 to the electrical control box 1;

[0068] The control box feedback signal line 20 transmits the operation signal of the pump 51 to the electrical control box 1;

[0069] The first automation equipment protocol communication line 16 transmits the liquid level information collected by the liquid level telemetry sensor to the electrical control box 1;

[0070] The electrical control box 1 transmits the information from the electric butterfly valve, the pneumatic butterfly valve, the pressure sensor 41, the pump 51 and the liquid level to the office computer 4 via the first Ethernet protocol communication line 12;

[0071] The electrical control box 1 transmits the information from the electric butterfly valve, the pneumatic butterfly valve, the pressure sensor 41, the pump 51 and the liquid level to the computer 3 in the control room through the second Ethernet protocol communication line 13;

[0072] The electrical control box 1 transmits information from the electric butterfly valve, pneumatic butterfly valve, pressure sensor 41, pump 51 and liquid level to the monitoring alarm system 2 through the second automation equipment protocol communication line 14; the electrical control box 1 transmits command information to the monitoring alarm system 2 through the system power failure alarm signal line 15.

[0073] The utility model can remotely control the opening or closing of multiple butterfly valves in a single valve or grouped manner. When the system loses power or air completely, the pneumatic butterfly valve and the electric butterfly valve can maintain their original state. The three-way ball valve 25 is manually adjusted to manually exhaust the electromagnetic reversing valve 26, so that the pneumatic butterfly valve can be opened and closed.

[0074] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these changes and modifications.

Claims

1. A pneumatic control mechanism for a ship valve remote control system, characterized in that: include: A butterfly valve connected to a gear box with a control handle; A pneumatic drive head connected to the gear box; the pneumatic drive head is connected to a limit switch; A control and feedback signal line, one end of which is connected to the connection port of the electrical control box, and the other end is connected to the pneumatic drive head; as well as The butterfly valve air supply pipeline has one end connected to the electrical control box and the other end connected to the interface end of the pneumatic drive head; the electrical control box is connected to the output end of the main air source pipeline.

2. The pneumatic control mechanism of the ship valve remote control system according to claim 1, characterized in that: The inlet end of the pneumatic drive head is provided with an electromagnetic reversing valve.

3. The pneumatic control mechanism of the ship valve remote control system according to claim 2, characterized in that: The electromagnetic reversing valve is provided with an exhaust throttle valve.

4. The pneumatic control mechanism of the ship valve remote control system according to claim 1, characterized in that: A three-way ball valve is arranged on the butterfly valve air supply pipeline.

5. The pneumatic control mechanism of the ship valve remote control system according to claim 1, characterized in that: The shell material of the pneumatic drive head is copper alloy or aluminum alloy.

6. The pneumatic control mechanism of the ship valve remote control system according to claim 1, characterized in that: The pneumatic drive head is provided with a switch position.

7. The pneumatic control mechanism of the ship valve remote control system according to claim 1, characterized in that: The pneumatic drive head is provided with a switch in position feedback device.

8. The pneumatic control mechanism of the ship valve remote control system according to claim 1, characterized in that: The butterfly valves can be multiple in unlimited quantity.

9. The pneumatic control mechanism of the ship valve remote control system according to claim 1, characterized in that: Another connection port of the electrical control box is connected to one end of an automation equipment protocol communication line, and the other end of the automation equipment protocol communication line is connected to an output signal end of a liquid level telemetry sensor.

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