CN220121162U - Shut-off valve control system - Google Patents
Shut-off valve control system Download PDFInfo
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- CN220121162U CN220121162U CN202321054219.0U CN202321054219U CN220121162U CN 220121162 U CN220121162 U CN 220121162U CN 202321054219 U CN202321054219 U CN 202321054219U CN 220121162 U CN220121162 U CN 220121162U
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- 238000011065 in-situ storage Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 26
- 238000000034 method Methods 0.000 description 5
- 230000001960 triggered effect Effects 0.000 description 5
- 230000002159 abnormal effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000000605 extraction Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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Abstract
The utility model discloses a shutoff valve control system, in which a shutoff valve comprises an electromagnetic valve; the turn-off control module is connected with the first end of the latch control module; the output end of the dual-mode reset module is connected with the second end of the latch control module; the third end of the latch control module is connected with the electromagnetic valve; the dual-mode reset module comprises a field reset signal trigger unit, a remote reset signal trigger unit and a mode switching unit, wherein the field reset signal trigger unit is connected with a first input end of the mode reset switching module, and the remote reset signal trigger unit is connected with a second input end of the mode reset switching module; the mode switching unit is used for switching the conducting states of the output end, the first input end and the second input end of the dual-mode reset module, so that the on-off of the electromagnetic valve is controlled under the two modes of on-site production by people and on-site unmanned production, and the on-off of the shut-off valve is controlled.
Description
Technical Field
The utility model relates to the technical field of shut-off valves, in particular to a shut-off valve control system.
Background
Along with the continuous development of the offshore oil extraction facilities, the intelligent level is gradually improved, the remote control capability of the offshore oil extraction facilities is gradually perfected and the development is greatly improved, and the small-man, unmanned and remote control production of the offshore oil extraction facilities is gradually realized under the background of intelligent number and energy.
At present, offshore facilities have two modes of normal manned production and typhoon short-term unmanned production, and the control modes of the two modes of normal manned production and typhoon short-term unmanned production are completely different, even contradictory, and cannot realize the compatibility of the two production modes.
Disclosure of Invention
The utility model provides a shutoff valve control system, which is used for controlling the on-off of an electromagnetic valve in two modes of on-site production by people and on-site unmanned production, so as to control the on-off of a shutoff valve.
According to an aspect of the present utility model, there is provided a shut-off valve control system including:
the device comprises a shut-off control module, a dual-mode reset module, a latch control module and a shut-off valve;
the shut-off valve comprises a solenoid valve; the shut-off control module is connected with the first end of the latch control module and is used for sending a shut-off valve closing signal to the latch control module; the output end of the dual-mode reset module is connected with the second end of the latch control module and is used for sending a shutoff valve reset signal to the latch control module; the third end of the latch control module is connected with the electromagnetic valve and is used for sending a shut-off control signal to the electromagnetic valve when receiving a shut-off valve shut-off signal to control the electromagnetic valve to be shut off; when receiving the shutoff valve reset signal, the device sends a reset control signal to the electromagnetic valve to control the electromagnetic valve to be reset and opened;
the dual-mode reset module comprises a field reset signal trigger unit, a remote reset signal trigger unit and a mode switching unit, wherein the field reset signal trigger unit is connected with a first input end of the mode switching unit, and the remote reset signal trigger unit is connected with a second input end of the mode switching unit; the mode switching unit is used for switching the conducting states of the output end of the dual-mode reset module, the first input end and the second input end.
Optionally, the mode switching unit includes:
the system comprises a mode change-over switch, a first AND gate subunit, a second AND gate subunit and an OR gate subunit;
the on-site reset signal triggering unit is connected with the first end of the first AND gate subunit; the first end of the first AND gate subunit module is used as a first input end of the mode switching unit, and the first end of the mode switching switch is connected with the second end of the first AND gate subunit; the remote reset signal trigger unit is connected with the first end of the second AND gate subunit, the first end of the second AND gate subunit is used as the second input end of the mode switching unit, and the second end of the mode switching switch is connected with the second end of the second AND gate subunit; the third end of the first AND gate subunit is connected with the first end of the OR gate subunit; the third end of the second AND gate subunit is connected with the second end of the OR gate subunit; the third end of the OR gate subunit is connected with the second end of the latch control module; the third terminal of the OR gate subunit is used as the output terminal of the dual-mode reset module.
Optionally, the on-site reset signal triggering unit includes an on-site reset button; the remote reset signal triggering unit includes a remote reset button.
Optionally, an in-situ reset button is mounted around the shut off valve.
Optionally, a remote reset button is mounted within the field station.
Optionally, the mode selector switch is mounted within the field station.
Optionally, the shutdown control module is configured to transmit an ESD shutdown signal, a PSD shutdown signal, or a USD shutdown signal.
Optionally, the electromagnetic valve is a live-on electromagnetic valve.
Optionally, the latch control module includes an RS latch.
The shutoff valve control system designed by the embodiment of the utility model comprises: the device comprises a shut-off control module, a dual-mode reset module, a latch control module and a shut-off valve; the shut-off valve comprises a solenoid valve; the switch-off control module is connected with the first end of the latch control module, so that the electromagnetic valve can be controlled to be closed when the field production is abnormal; the output end of the dual-mode reset module is connected with the second end of the latch control module, the third end of the latch control module is connected with the electromagnetic valve, the dual-mode reset module comprises a field reset signal trigger unit, a remote reset signal trigger unit and a mode switching unit, the field reset signal trigger unit is connected with the first input end of the mode switching unit, the remote reset signal trigger unit is connected with the second input end of the mode switching unit, the output end of the mode switching unit is the output end of the dual-mode reset module, the on-off of the electromagnetic valve can be controlled under the two modes of field manned production and field unmanned production, and the on-off of the shut-off valve is controlled.
It should be understood that the description in this section is not intended to identify key or critical features of the embodiments of the utility model or to delineate the scope of the utility model. Other features of the present utility model will become apparent from the description that follows.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a shut-off valve control system provided in accordance with an embodiment of the present utility model;
fig. 2 is a schematic structural diagram of another shut-off valve control system according to an embodiment of the present utility model.
Detailed Description
In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the utility model described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
An embodiment of the present utility model provides a shut-off valve control system, fig. 1 is a schematic structural diagram of the shut-off valve control system provided according to an embodiment of the present utility model, and referring to fig. 1, the shut-off valve control system includes:
the device comprises a shut-off control module 1, a dual-mode reset module 2, a latch control module 3 and a shut-off valve 4;
the shut-off valve 4 comprises a solenoid valve 41; the shut-off control module 1 is connected with a first end of the latch control module 3 and is used for sending a shut-off valve closing signal to the latch control module 3; the output end of the dual-mode reset module 2 is connected with the second end of the latch control module 3 and is used for sending a shutoff valve reset signal to the latch control module 3; the third end of the latch control module 3 is connected with the electromagnetic valve 41 and is used for sending a shutoff control signal to the electromagnetic valve 41 when receiving a shutoff valve closing signal to control the electromagnetic valve 41 to be closed; and is used for sending a reset control signal to the electromagnetic valve 41 when receiving a shut-off valve reset signal, and controlling the electromagnetic valve 41 to be reset and opened;
the dual-mode reset module 2 comprises a field reset signal trigger unit 21, a remote reset signal trigger unit 22 and a mode switching unit 23, wherein the field reset signal trigger unit 21 is connected with a first input end of the mode switching unit 23, and the remote reset signal trigger unit 22 is connected with a second input end of the mode switching unit 23; the mode switching unit 23 is configured to switch the on states of the output terminal of the dual mode reset module 2 and the first input terminal and the second input terminal.
In particular, the shut-off valve may be comprised of an actuator and a ball valve body. The shut-off valve is an automatic control valve, and has only two positions of full opening and full closing, which is also called as a two-position valve. The valve is normally opened and closed by controlling and driving compressed gas through a 24V electromagnetic valve. During normal production, the electromagnetic valve of the shutoff valve is in a power-on state, and the shutoff valve is in a full-open position; when the production is abnormal, the electromagnetic valve of the shutoff valve is powered off, the power-driven air source is released, and the shutoff valve is closed. When the electromagnetic valve is powered off, if the electromagnetic valve is powered on again, the electromagnetic valve still cannot act, and the electromagnetic valve can be reset to realize the ventilation state.
During normal production on site, the shutdown control module 1 sends a normal turn-on signal of the shutdown valve to the latch control module 3, at the moment, the shutdown control module 1 outputs a high-level signal to the latch control module 3, and after receiving the high-level signal sent by the shutdown control module 1, the latch control module 3 sends a turn-on control signal to the electromagnetic valve 41 to control the electromagnetic valve 41 to be turned on, so that the turn-off valve 4 is controlled to be turned on; when the field production is abnormal, the shutdown control module 1 sends a shutdown valve closing signal to the latch control module 3, at this time, the shutdown control module 1 outputs a low-level signal to the latch control module 3, and after receiving the shutdown valve closing signal sent by the shutdown control module 1, the latch control module 3 sends a shutdown control signal to the electromagnetic valve 41 to control the electromagnetic valve 41 to close, so as to control the shutdown valve 4 to close.
When the shutoff valve closing signal output by the shutoff control module 1 exists, the shutoff valve resetting signal cannot be sent to the latch control module 3 through the dual-mode resetting module 2 at the moment, and the electromagnetic valve 41 is controlled to be turned on; after the turn-off control module 1 resumes the normal on state, the turn-off control module 1 outputs a turn-off valve normal on signal, and at this time, on the premise that an operator confirms that no potential safety hazard exists, the dual-mode reset module 2 can send a turn-off valve reset signal to the latch control module 3 to control the conduction of the electromagnetic valve 41.
When the field environment is severe, in order to avoid the severe environment, operators can emergency evacuate the field and no one performs field operation, and at the moment, whether potential safety hazards exist in the field can be confirmed through a remote monitoring video. On the premise of confirming no potential safety hazard, the second input end of the mode switching unit 23 is conducted with the output end of the dual-mode reset module 2 by triggering the remote reset signal triggering unit 22 and the mode switching unit 23, so that a remote shutoff valve reset signal is sent to the latch control module 3, the latch control module 3 sends a reset control signal to the electromagnetic valve 41 after receiving the remote shutoff valve reset signal, the electromagnetic valve 41 is controlled to be reset and opened, and the shutoff valve 4 is controlled to be opened, so that the phenomenon of crude oil coagulation and blockage in a field process system and a sea pipe can be avoided; and under the condition of on-site production, on-site personnel can confirm whether the safety hidden danger exists on site at the moment, on the premise of confirming that the safety hidden danger does not exist, the on-site reset signal triggering unit 21 and the mode switching unit 23 can be triggered, so that the first input end of the mode switching unit 23 is communicated with the output end of the dual-mode reset module 2, further, a remote shutoff valve reset signal is sent to the latch control module 3, and after the latch control module 3 receives the on-site shutoff valve reset signal, a reset control signal is sent to the electromagnetic valve 41 to control the electromagnetic valve 41 to be reset and opened, and further, the shutoff valve 4 is controlled to be opened.
The shutoff valve control system designed by the embodiment of the utility model comprises: the device comprises a shut-off control module 1, a dual-mode reset module 2, a latch control module 3 and a shut-off valve 4; the shut-off valve 4 comprises a solenoid valve 41; connecting the shut-down control module 1 with the first end of the latch control module 3 can control the electromagnetic valve 41 to be closed when the field production is abnormal; the output end of the dual-mode reset module 2 is connected with the second end of the latch control module 3, the third end of the latch control module 3 is connected with the electromagnetic valve 41, the dual-mode reset module 2 comprises a field reset signal trigger unit 21, a remote reset signal trigger unit 22 and a mode switching unit 23, the field reset signal trigger unit 21 is connected with the first input end of the mode switching unit 23, the remote reset signal trigger unit 22 is connected with the second input end of the mode switching unit 23, the output end of the mode switching unit 23 is the output end of the dual-mode reset module 2, the on-off of the electromagnetic valve 41 can be controlled under the two modes of field manned production and field unmanned production, and the on-off of the shut-off valve 4 is controlled.
Fig. 2 is a schematic structural diagram of another shut-off valve control system according to an embodiment of the present utility model, and optionally, referring to fig. 2, the mode switching unit includes:
a mode switch 231, a first and gate subunit 232, a second and gate subunit 233, and an or gate subunit 234;
the field reset signal trigger unit 21 is connected with a first end of the first AND gate subunit 232; a first end of the first and gate subunit module 232 serves as a first input end of the mode switching unit, and a first end of the mode switching switch 231 is connected with a second end of the first and gate subunit 232; the remote reset signal trigger unit 22 is connected to a first end of the second and gate subunit 233, the first end of the second and gate subunit 233 is used as a second input end of the mode switching unit, and the second end of the mode switching switch 231 is connected to a second end of the second and gate subunit 233; a third terminal of the first and gate subunit 232 is connected to a first terminal of the or gate subunit 234; a third terminal of the second and gate subunit 233 is connected to a second terminal of the or gate subunit 234; a third terminal of the or gate subunit 234 is connected to the second terminal of the latch control module 3; the third terminal of OR gate subunit 234 serves as the output of the dual mode reset module.
Specifically, when the field environment is worse, the operator will switch the mode switch 231 to the remote reset mode, and the second end of the second and gate subunit 233 will receive the high level signal, and the second end of the first and gate subunit 232 will receive the low level signal, and the first and gate subunit 232 will not be turned on no matter how the field reset signal triggering unit 21 is triggered, so that the control of the electromagnetic valve 41 will not be affected. After the remote monitoring video confirms that no potential safety hazard exists on the site, the remote reset signal triggering unit 22 can be triggered to enable the first end of the second AND gate subunit 233 to receive the high-level signal, at the moment, the second AND gate subunit 233 is conducted, the shutoff valve reset signal is transmitted to the second end of the OR gate subunit 234, at the moment, the OR gate subunit 234 is conducted, the remote shutoff valve reset signal is transmitted to the latch control module 3, and after the latch control module 3 receives the remote shutoff valve reset signal, the reset control signal is transmitted to the electromagnetic valve 41 to control the electromagnetic valve 41 to be reset and opened, and then the shutoff valve 4 is controlled to be opened.
After the field environment is changed, the operator can switch the mode switch 231 to the field reset mode, and the second end of the first and gate subunit 232 receives the high level signal, and the second end of the second and gate subunit 233 receives the low level signal, so that the second and gate subunit 233 is not turned on regardless of how the remote reset signal triggering unit 22 is triggered, and the control of the solenoid valve 41 is not affected. After the field staff confirms that the potential safety hazard does not exist on the field, the field reset signal triggering unit 21 is triggered, so that the first end of the first AND gate subunit 232 receives the high-level signal, at the moment, the first AND gate subunit 232 is conducted, the shutoff valve reset signal is transmitted to the first end of the OR gate subunit 234, at the moment, the OR gate subunit 234 is conducted, the field shutoff valve reset signal is transmitted to the latch control module 3, and after the latch control module 3 receives the field shutoff valve reset signal, the reset control signal is transmitted to the electromagnetic valve 41 to control the electromagnetic valve 41 to be reset and opened, and then the shutoff valve 4 is controlled to be opened.
Optionally, the on-site reset signal triggering unit includes an on-site reset button; the remote reset signal triggering unit includes a remote reset button.
Specifically, the input signal at the first end of the first and gate subunit may be controlled by a field reset button; the input signal of the first end of the second AND gate subunit can be controlled through the remote reset button, and the control mode is simpler and more convenient.
Optionally, an in-situ reset button is mounted around the shut off valve.
Specifically, the on-site reset button is arranged around the shutoff valve, so that on-site workers can directly trigger the on-site reset button to control the on-off of the electromagnetic valve under the condition that the on-site workers are reconfirmed without potential safety hazards, and the operation is more convenient.
Optionally, a remote reset button is mounted within the field station.
Specifically, install remote reset button in the field operation station, can make the staff confirm through remote monitoring video at the operation station that the scene does not have the condition of potential safety hazard, can directly trigger remote reset button to the break-make of control solenoid valve, the operation is more convenient.
Optionally, the mode selector switch is mounted within the field station.
Specifically, the mode switching switch is arranged in the field operation station, so that after the field staff withdraws to the field operation station from the field due to environmental reasons, the field staff is directly switched from the field manned production mode to the field unmanned production mode through the mode switching switch; after the severe environment is finished, the staff can be directly switched from the field unmanned production mode to the field manned production mode through the mode switch before returning to the field from the field operation station.
Optionally, the shutdown control module is configured to transmit an ESD shutdown signal, a PSD shutdown signal, or a USD shutdown signal.
Specifically, the shut-off valve shut-off signal may be any one of an ESD shut-off signal, a PSD shut-off signal, and a USD shut-off signal, which is not limited in the embodiment of the present utility model.
Optionally, the electromagnetic valve is a live-on electromagnetic valve.
Specifically, the electrified conduction electromagnetic valve is arranged in the shutoff valve control system, and the electromagnetic valve can be directly controlled to be turned on and off by controlling the on-off of a circuit in the shutoff valve control system, so that the electromagnetic valve is prevented from being influenced by a mechanical locking function in the traditional electromagnetic valve, and the electromagnetic valve cannot be remotely controlled in an unmanned production mode on site.
Optionally, the latch control module includes an RS latch.
It should be appreciated that various forms of the flows shown above may be used to reorder, add, or delete steps. For example, the steps described in the present utility model may be performed in parallel, sequentially, or in a different order, so long as the desired results of the technical solution of the present utility model are achieved, and the present utility model is not limited herein.
The above embodiments do not limit the scope of the present utility model. It will be apparent to those skilled in the art that various modifications, combinations, sub-combinations and alternatives are possible, depending on design requirements and other factors. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included in the scope of the present utility model.
Claims (9)
1. A shut-off valve control system, comprising:
the device comprises a shut-off control module, a dual-mode reset module, a latch control module and a shut-off valve;
the shut-off valve comprises a solenoid valve; the shut-off control module is connected with the first end of the latch control module and is used for sending a shut-off valve shut-off signal to the latch control module; the output end of the dual-mode reset module is connected with the second end of the latch control module and is used for sending a shutoff valve reset signal to the latch control module; the third end of the latch control module is connected with the electromagnetic valve and is used for sending a shutoff control signal to the electromagnetic valve to control the electromagnetic valve to be closed when receiving a shutoff valve closing signal; when receiving the shutoff valve reset signal, the device is used for sending a reset control signal to the electromagnetic valve to control the electromagnetic valve to be reset and opened;
the dual-mode reset module comprises a field reset signal trigger unit, a remote reset signal trigger unit and a mode switching unit, wherein the field reset signal trigger unit is connected with a first input end of the mode switching unit, and the remote reset signal trigger unit is connected with a second input end of the mode switching unit; the mode switching unit is used for switching the conducting states of the output end of the dual-mode reset module, the first input end and the second input end.
2. The shutoff valve control system of claim 1, wherein the mode switching unit includes:
the system comprises a mode change-over switch, a first AND gate subunit, a second AND gate subunit and an OR gate subunit;
the on-site reset signal triggering unit is connected with the first end of the first AND gate subunit; the first end of the first AND gate subunit module is used as the first input end of the mode switching unit, and the first end of the mode switching switch is connected with the second end of the first AND gate subunit; the remote reset signal triggering unit is connected with the first end of the second AND gate subunit, the first end of the second AND gate subunit is used as the second input end of the mode switching unit, and the second end of the mode switching switch is connected with the second end of the second AND gate subunit; the third end of the first AND gate subunit is connected with the first end of the OR gate subunit; the third end of the second AND gate subunit is connected with the second end of the OR gate subunit; the third end of the OR gate subunit is connected with the second end of the latch control module; and the third end of the OR gate subunit is used as an output end of the dual-mode reset module.
3. The shut-off valve control system of claim 2, wherein the field reset signal trigger unit comprises a field reset button; the remote reset signal trigger unit includes a remote reset button.
4. The shut-off valve control system of claim 3, wherein the in-situ reset button is mounted around the shut-off valve.
5. The shut-off valve control system of claim 3, wherein the remote reset button is installed within a field operation station.
6. The shut-off valve control system of claim 3, wherein the mode selector switch is installed in a field operating station.
7. The shut-off valve control system of claim 1, wherein the shut-off control module is configured to transmit an ESD shut-off signal, a PSD shut-off signal, or a USD shut-off signal.
8. The shut-off valve control system of claim 1, wherein the solenoid valve is a solenoid valve that is electrically conductive.
9. The shut-off valve control system of claim 1, wherein the latch control module comprises an RS latch.
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CN202321054219.0U CN220121162U (en) | 2023-05-05 | 2023-05-05 | Shut-off valve control system |
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CN202321054219.0U CN220121162U (en) | 2023-05-05 | 2023-05-05 | Shut-off valve control system |
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CN220121162U true CN220121162U (en) | 2023-12-01 |
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CN202321054219.0U Active CN220121162U (en) | 2023-05-05 | 2023-05-05 | Shut-off valve control system |
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