CN220305663U - Remote terminal unit control equipment - Google Patents
Remote terminal unit control equipment Download PDFInfo
- Publication number
- CN220305663U CN220305663U CN202322116897.1U CN202322116897U CN220305663U CN 220305663 U CN220305663 U CN 220305663U CN 202322116897 U CN202322116897 U CN 202322116897U CN 220305663 U CN220305663 U CN 220305663U
- Authority
- CN
- China
- Prior art keywords
- direct current
- relay
- controller
- module
- electrically connected
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000007788 liquid Substances 0.000 claims abstract description 23
- 238000004880 explosion Methods 0.000 claims abstract description 8
- 238000006243 chemical reaction Methods 0.000 claims description 43
- 230000010485 coping Effects 0.000 abstract description 5
- 230000004044 response Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 230000004075 alteration Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
Landscapes
- Selective Calling Equipment (AREA)
Abstract
The utility model discloses a remote terminal unit control device, comprising: the anti-explosion device comprises a power switch, a lightning arrester, an alternating current-to-direct current module, a controller and an anti-explosion box; the controller is used for receiving the operation instruction of the remote center, controlling the electric actuator and the gas-liquid linkage actuator according to the operation instruction of the remote center, detecting the valve state of the electric actuator and the gas-liquid linkage actuator in real time, and uploading the valve state to the remote center; the power switch, the lightning protection device, the alternating current-to-direct current module and the controller are electrically connected in sequence; the power switch, the lightning protection device, the alternating current-to-direct current module and the controller are all arranged inside the explosion-proof box. The remote terminal unit control equipment is simple in structure, can remotely receive instructions, control the switch valve, detect the valve state and upload the valve state in an unmanned state, and improves safety and real-time coping performance.
Description
Technical Field
The utility model relates to the technical field of remote control, in particular to remote terminal unit control equipment.
Background
The gas station is an important place for receiving, managing, distributing and conveying gas, and when the rear end of a gas pipeline is in emergency such as air leakage or fire, serious safety accidents can be caused. At this time, the electric actuator and the gas-liquid linkage actuator of the related pipeline in the gas station need to be controlled, and the valve is closed in an emergency way, so that the occurrence of safety accidents is avoided.
Currently, a mode of manually closing a valve when a worker enters a station is generally adopted. However, due to the distance difference between the stations, when the multi-way valves of a plurality of stations are required to be closed at the same time, a great deal of manpower is consumed, and the possible emergency situation is required to be dealt with by staff on site, so that the potential safety hazard is large. In addition, the remote center cannot detect the states of the electric actuator and the gas-liquid linkage actuator in real time, and the real-time coping performance for safety accidents is poor.
Disclosure of Invention
The embodiment of the utility model provides remote terminal unit control equipment, which has a simple structure, can realize remote receiving of instructions, control of a switch valve, detection of a valve state and uploading of the valve state in an unmanned state, and is used for solving the problems that in the prior art, no reliable gas station has larger potential safety hazard and poor real-time coping performance for safety accidents.
In one aspect, an embodiment of the present utility model provides a remote terminal unit control apparatus, including:
the anti-explosion device comprises a power switch, a lightning arrester, an alternating current-to-direct current module, a controller and an anti-explosion box.
The controller is used for receiving an operation instruction of the remote center, controlling the electric actuator and the gas-liquid linkage actuator according to the operation instruction of the remote center, detecting the valve state of the electric actuator and the gas-liquid linkage actuator in real time, and uploading the valve state to the remote center.
The power switch, the lightning protection device, the alternating current-to-direct current module and the controller are electrically connected in sequence.
The power switch, the lightning protection device, the alternating current-to-direct current module and the controller are all installed in the explosion-proof box.
In one possible implementation, the controller includes: the circuit board interface, DC power supply conversion module, communication module, antenna, first relay, second relay and singlechip.
The circuit board interface is electrically connected with the alternating current-to-direct current module, the direct current power supply conversion module is electrically connected with the circuit board interface, the communication module, the first relay, the second relay and the singlechip are electrically connected with the direct current power supply conversion module, and the antenna is electrically connected with the communication module.
The circuit board interface, the direct-current power supply conversion module, the communication module, the antenna, the first relay and the second relay are all arranged on the singlechip.
In one possible implementation manner, the dc power conversion module includes: the device comprises a first direct current conversion unit, a second direct current conversion unit and a third direct current conversion unit.
The first direct current conversion unit is electrically connected with the communication module, the second direct current conversion unit is electrically connected with the first relay and the second relay respectively, and the third direct current conversion unit is electrically connected with the single chip microcomputer.
In one possible implementation, the communication module is configured to receive an operation command from a remote center, and further configured to upload a valve status of the electric actuator and the gas-liquid linkage actuator to the remote center.
In one possible implementation, the first relay is configured to detect in-place information of the valve state in real time, and the second relay is configured to detect in-place information of the valve state in real time.
In one possible implementation, the communication module is an NB module.
In one possible implementation, the controller further includes: and the switch valve duration control unit is used for setting the switch valve duration.
The controller is also used for controlling the electric actuator and the gas-liquid linkage actuator according to the switch valve duration.
In one possible implementation, the controller further includes: and the delay operation control unit is used for setting delay operation time.
The controller is also used for carrying out time delay operation control on the electric actuator and the gas-liquid linkage actuator according to the time delay operation time.
The remote terminal unit control device has the following advantages:
the power switch, the lightning arrester, the alternating current-to-direct current module, the controller and the explosion-proof box are simple in structure, and can remotely receive instructions, control the switch valve, detect the valve state and upload the valve state in an unmanned state, so that the safety and the real-time coping performance are improved; the first relay and the second relay can detect the in-place closing information and in-place opening information of the valve state in real time, so that the instantaneity is improved; the provided on-off valve duration control unit improves the control accuracy; the delay operation control unit improves the response success rate of the multi-path simultaneous instruction issuing.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a remote terminal unit control device according to an embodiment of the present utility model;
FIG. 2 is a side view of an explosion proof box provided by an embodiment of the present utility model;
fig. 3 is a perspective view of an explosion-proof box according to an embodiment of the present utility model;
reference numerals illustrate:
the device comprises a 1-power switch, a 2-lightning arrester, a 3-alternating current-to-direct current module, a 4-controller, a 5-explosion-proof box, a 41-circuit board interface, a 42-direct current power supply conversion module, a 43-communication module, a 44-antenna, a 45-first relay, a 46-second relay, a 47-singlechip, a 48-switch valve duration control unit, a 49-delay operation control unit, a 421-first direct current conversion unit, a 422-second direct current conversion unit and a 423-third direct current conversion unit.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Fig. 1 is a schematic structural diagram of a remote terminal unit control device according to an embodiment of the present utility model; FIG. 2 is a side view of an explosion proof box provided by an embodiment of the present utility model; fig. 3 is a perspective view of an explosion-proof box according to an embodiment of the present utility model. The embodiment of the utility model provides remote terminal unit control equipment, which comprises the following components:
the lightning protection device comprises a power switch 1, a lightning protection device 2, an alternating current-to-direct current module 3, a controller 4 and an explosion-proof box 5.
The controller 4 is configured to receive an operation instruction from the remote center, and is configured to control the electric actuator and the gas-liquid linkage actuator according to the operation instruction from the remote center, and further configured to detect a valve state of the electric actuator and the gas-liquid linkage actuator in real time, and upload the valve state to the remote center.
The power switch 1, the lightning protector 2, the alternating current-to-direct current module 3 and the controller 4 are electrically connected in sequence.
The power switch 1, the lightning protection device 2, the alternating current-to-direct current module 3 and the controller 4 are all arranged inside the explosion-proof box 5.
Specifically, the power switch 1 is an air switch for emergently closing a circuit when power supply is abnormal; the lightning protection device 2 is used for avoiding damage to equipment caused by surge or lightning; the alternating current-to-direct current module 3 is a 220V alternating current-to-24V direct current module and is used for converting 220V alternating current input into 24V direct current output.
Illustratively, the controller 4 comprises: the circuit board interface 41, the direct current power supply conversion module 42, the communication module 43, the antenna 44, the first relay 45, the second relay 46 and the singlechip 47.
The circuit board interface 41 is electrically connected with the ac-dc conversion module 3, the dc power conversion module 42 is electrically connected with the circuit board interface 41, the communication module 43, the first relay 45, the second relay 46, and the single-chip microcomputer 47 are all electrically connected with the dc power conversion module 42, and the antenna 44 is electrically connected with the communication module 43.
The circuit board interface 41, the dc power conversion module 42, the communication module 43, the antenna 44, the first relay 45 and the second relay 46 are all disposed on the single-chip microcomputer 47.
Specifically, the 24V dc output of the ac-dc module 3 enters the dc power conversion module 42 through the circuit board interface 41, and after being converted by the dc power conversion module 42, the communication module 43, the first relay 45, the second relay 46, and the single-chip microcomputer 47 are respectively powered.
Illustratively, the DC power conversion module 42 includes: a first dc conversion unit 421, a second dc conversion unit 422, and a third dc conversion unit 423.
The first dc conversion unit 421 is electrically connected to the communication module 43, the second dc conversion unit 422 is electrically connected to the first relay 45 and the second relay 46, and the third dc conversion unit 423 is electrically connected to the single-chip microcomputer 47.
Specifically, the first dc conversion unit 421 is a 24V to 3.6V unit, and is configured to convert a 24V dc input to a 3.6V dc output to supply power to the communication module 43; the second dc conversion unit 422 is a 24V to 5V unit, and is configured to convert the 24V dc input to 5V dc output to power the first relay 45 and the second relay 46; the third dc conversion unit 423 is a 24V to 3.3V unit, and is configured to convert the 24V dc input to 3.3V dc output to supply power to the singlechip 47.
Illustratively, the communication module 43 is configured to receive an operation command from a remote center, and is further configured to upload a valve status of the electric actuator and the gas-liquid linkage actuator to the remote center.
Illustratively, the first relay 45 is used for detecting the in-place information of the valve state in real time, and the second relay 46 is used for detecting the in-place information of the valve state in real time.
Illustratively, the communication module 43 is an NB module.
Illustratively, the controller 4 further comprises: and a switching valve duration control unit 48 for setting the switching valve duration.
The controller 4 is also used for controlling the electric actuator and the gas-liquid linkage actuator according to the switch valve duration.
Specifically, due to the fact that the valve calibers are different, the valve opening and closing time periods are different, and valve opening and closing control can be performed more accurately by setting corresponding valve opening and closing time periods.
Illustratively, the controller 4 further comprises: a delay operation control unit 49 for setting a delay operation time.
The controller 4 is also used for performing time-delay operation control on the electric actuator and the gas-liquid linkage actuator according to the time-delay operation time.
Specifically, because the gas station generally has a plurality of electric actuators and gas-liquid linkage actuators, when multiple paths of instructions are issued simultaneously, the response success rate can be reduced, peak-shifting response can be performed by setting delay operation time, and the response success rate is improved.
In a possible embodiment, the remote center issues a valve closing command, and the communication module 43 receives the valve closing command and transmits the valve closing command to the singlechip 47; the singlechip 47 controls the AC-DC module 3 to supply 24V DC to the corresponding electric actuator and the gas-liquid linkage actuator, and drives the motor in the electric actuator and the gas-liquid linkage actuator to rotate forward (the valve opening instruction is used for supplying power reversely); when the first relay 45 detects that the valve state is closed in place, the closed information is transmitted to the singlechip 47; the singlechip 47 controls the ac-dc module 3 to cut off the power supply to the electric actuator and the gas-liquid linkage actuator, and uploads the information about the position to the remote center through the communication module 43 (the valve opening command causes the second relay 46 to detect that the valve state is opened in place, and uploads the information about the position).
In one possible embodiment, the remote center may also issue a valve status detection command, and the singlechip 47 uploads the valve status on-position information and the valve status on-position information detected by the first relay 45 and the second relay 46 through the communication module 43.
The power switch, the lightning arrester, the alternating current-to-direct current module, the controller and the explosion-proof box are simple in structure, can remotely receive instructions, control the switch valve, detect the valve state and upload the valve state in an unmanned state, and improve safety and real-time coping performance; the first relay and the second relay can detect the in-place closing information and in-place opening information of the valve state in real time, so that the instantaneity is improved; the provided on-off valve duration control unit improves the control accuracy; the delay operation control unit improves the response success rate of the multi-path simultaneous instruction issuing.
While preferred embodiments of the present utility model have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the utility model.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (8)
1. A remote terminal unit control apparatus, comprising:
the anti-explosion device comprises a power switch, a lightning arrester, an alternating current-to-direct current module, a controller and an anti-explosion box;
the controller is used for receiving an operation instruction of the remote center, controlling the electric actuator and the gas-liquid linkage actuator according to the operation instruction of the remote center, detecting the valve state of the electric actuator and the gas-liquid linkage actuator in real time, and uploading the valve state to the remote center;
the power switch, the lightning protection device, the alternating current-to-direct current module and the controller are electrically connected in sequence;
the power switch, the lightning protection device, the alternating current-to-direct current module and the controller are all installed in the explosion-proof box.
2. A remote terminal unit control apparatus according to claim 1, wherein the controller comprises: the device comprises a circuit board interface, a direct current power supply conversion module, a communication module, an antenna, a first relay, a second relay and a singlechip;
the circuit board interface is electrically connected with the alternating current-to-direct current module, the direct current power supply conversion module is electrically connected with the circuit board interface, the communication module, the first relay, the second relay and the singlechip are all electrically connected with the direct current power supply conversion module, and the antenna is electrically connected with the communication module;
the circuit board interface, the direct-current power supply conversion module, the communication module, the antenna, the first relay and the second relay are all arranged on the singlechip.
3. The remote terminal unit control apparatus according to claim 2, wherein the dc power conversion module includes: the device comprises a first direct current conversion unit, a second direct current conversion unit and a third direct current conversion unit;
the first direct current conversion unit is electrically connected with the communication module, the second direct current conversion unit is electrically connected with the first relay and the second relay respectively, and the third direct current conversion unit is electrically connected with the single chip microcomputer.
4. The remote terminal unit control apparatus of claim 2, wherein the communication module is configured to receive an operation command from the remote center and further configured to upload a valve status of the electric actuator and the gas-liquid linkage actuator to the remote center.
5. A remote terminal unit control device according to claim 2, wherein the first relay is adapted to detect in-place information of the valve status in real time, and the second relay is adapted to detect in-place information of the valve status in real time.
6. A remote terminal unit control device according to claim 2, wherein the communication module is an NB module.
7. The remote terminal unit control apparatus of claim 1, wherein said controller further comprises: the switch valve duration control unit is used for setting the switch valve duration;
the controller is also used for controlling the electric actuator and the gas-liquid linkage actuator according to the switch valve duration.
8. The remote terminal unit control apparatus of claim 1, wherein said controller further comprises: the delay operation control unit is used for setting delay operation time;
the controller is also used for carrying out time delay operation control on the electric actuator and the gas-liquid linkage actuator according to the time delay operation time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322116897.1U CN220305663U (en) | 2023-08-08 | 2023-08-08 | Remote terminal unit control equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322116897.1U CN220305663U (en) | 2023-08-08 | 2023-08-08 | Remote terminal unit control equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220305663U true CN220305663U (en) | 2024-01-05 |
Family
ID=89350252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322116897.1U Active CN220305663U (en) | 2023-08-08 | 2023-08-08 | Remote terminal unit control equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220305663U (en) |
-
2023
- 2023-08-08 CN CN202322116897.1U patent/CN220305663U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201242247Y (en) | Automatic and remote control ventilation device | |
| CN102518352A (en) | Platform door control system and platform door control method | |
| CN106123248B (en) | A kind of urban track traffic Electric air valve control system | |
| CN201707597U (en) | Remote controlling device for pressure reduction gas supply station house of compressed natural gas | |
| CN111030116A (en) | Intelligent power supply and distribution system of equipment transport vehicle | |
| CN220305663U (en) | Remote terminal unit control equipment | |
| CN204176090U (en) | A kind of remote auto valve positioner | |
| CN102635922A (en) | Work environment monitoring and adjusting system for 10kV power distribution station | |
| CN205644165U (en) | Electricity distribution room environmental monitoring terminal | |
| CN205832427U (en) | A kind of Nitrogenization fire extinguishing apparatus of forced-oil power transformer | |
| CN202383493U (en) | Automatic control device for heating and ventilation of transformer substation | |
| CN204557708U (en) | A kind of power station two lines bus fire automatic alarm device | |
| CN207408788U (en) | A kind of bus rapid transit safety door control system | |
| CN203135582U (en) | Outdoor power distribution equipment remote monitoring device | |
| CN211015095U (en) | Intelligent monitoring wind control device for GIS room of transformer substation | |
| CN205479601U (en) | Building gas riser automatic cutout and blowdown system based on wireless transmission | |
| CN111880465B (en) | General assembly workshop repair area exhaust fan control management system and method | |
| CN207500788U (en) | Safety door protection control system | |
| CN203550127U (en) | Fan controller | |
| CN203743031U (en) | Intelligent local ventilation system for coal mines | |
| CN106515786B (en) | A kind of intelligent railway car watering machine | |
| CN105782542A (en) | Automatic cutting-off and emptying system and method for building gas vertical pipe based on wireless transmission | |
| CN203166353U (en) | Ventilation device for power distribution room of transformer station | |
| CN220121162U (en) | Shut-off valve control system | |
| CN205100737U (en) | A fire control linkage automatic control system for electronic vent window |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |