CN214787307U - Power supply control device and system for natural gas wellhead emergency stop valve - Google Patents
Power supply control device and system for natural gas wellhead emergency stop valve Download PDFInfo
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- CN214787307U CN214787307U CN202120843055.4U CN202120843055U CN214787307U CN 214787307 U CN214787307 U CN 214787307U CN 202120843055 U CN202120843055 U CN 202120843055U CN 214787307 U CN214787307 U CN 214787307U
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Abstract
The utility model relates to a power supply control technique. The utility model aims at providing a natural gas well head promptly blocks valve power supply control device and system makes it after having added corresponding control software, can solve the great problem of present natural gas well head promptly blocks valve consumption, provides a natural gas well head promptly blocks valve power supply control device and system, and its technical scheme can summarize to be: the power supply control device for the natural gas wellhead emergency block valve comprises a first communication module, a second communication module, a processing module and a power supply module, wherein the first communication module, the second communication module and the power supply module are respectively connected with the processing module; the communication module II is used for being in communication connection with a natural gas wellhead emergency cut-off valve to be controlled; and the first communication module is used for being in communication connection with a corresponding natural gas well RTU system. The beneficial effects of the utility model are that, can save a large amount of power consumption, be applicable to the urgent shut-off valve power supply control of natural gas well head.
Description
Technical Field
The utility model relates to a power supply control technique, in particular to emergent shut-off valve power supply control's of natural gas well head technique.
Background
The protection of the natural gas well head in an emergency (such as when the pressure is over-pressure or under-pressure) is usually realized by an emergency cut-off valve. Because natural gas well sites are generally far away and cannot solve the problem of well site power supply through commercial power, the existing natural gas well sites generally adopt a solar cell panel matched with a storage battery to provide a working power supply for an emergency cut-off valve and realize remote well opening and closing control of a natural gas well opening by means of a well site RTU (remote Terminal Unit) system, the existing RTU system is directly connected with the emergency cut-off valve, the RTU system supplies power for the emergency cut-off valve, and the RTU system is directly communicated with the emergency cut-off valve for control.
And because the static working current of the emergency cut-off valve is large and is usually 200-400mA, the working current of the emergency cut-off valve reaches 15-20A when the well switching control is executed, and therefore the working power supply of the emergency cut-off valve has extremely high requirements on a well site RTU system. When encountering continuous rainy days, the emergency cutoff valve with high power consumption can often cause the insufficient supplement of the existing solar energy and also can cause the serious decline of the performance of the storage battery in the northern winter in low-temperature weather, thereby often causing the power shortage of the existing natural gas well site power supply system, further causing the paralysis of the whole natural gas well site information system due to the power shortage, failing to perform effective remote well opening and closing control on a natural gas well head, and bringing serious potential safety hazards for the safety operation of a natural gas well.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a natural gas well head promptly blocks valve power supply control device and system makes it after having added corresponding control software, can solve the great problem of present natural gas well head promptly blocks valve consumption.
The utility model provides a technical scheme that the above-mentioned technical problem adopts is, natural gas well head promptly blocks valve power supply controlling means, including be used for with the corresponding natural gas well RTU system carry on communication connection's communication module two, be used for with the natural gas well head promptly blocks valve to control carry on communication connection's communication module one, processing module and power module, communication module one, communication module two and power module are connected with processing module respectively;
the power supply module is used for supplying power to the processing module, the first communication module and the second communication module, and at least comprises an emergency cut-off valve power supply end which is used for being connected with a natural gas wellhead emergency cut-off valve to be controlled through the emergency cut-off valve power supply end.
Specifically, to illustrate the power source of the power supply module, the power supply module is further configured to be connected to the power supply end of the emergency shutdown valve of the corresponding natural gas well RTU system, so as to obtain a power supply.
Further, for providing a structure of the power supply module, the power supply module includes a power supply end of the emergency cut-off valve, an on-off control module, a battery module and a power input unit, the power input unit is connected with the battery module, the battery module is connected with the power supply end of the emergency cut-off valve through the on-off control module, and the on-off control module is connected with the processing module.
Specifically, for solving the problem that the performance of the storage battery is greatly influenced by weather at present, the battery module adopts an ultralow-temperature lithium battery pack.
Still further, in order to provide an on-off control module, the on-off control module is an electronic switch, two ends of the electronic switch are respectively connected with the battery module and the power supply end of the emergency cutoff valve, and the control end of the electronic switch is connected with the processing module.
Specifically, to illustrate the power source of the power input unit, the power input unit is used for being connected with the power supply end of the emergency shut-off valve of the corresponding natural gas well RTU system, so as to obtain a power supply. In order to solve the problem that a storage battery adopted by the conventional natural gas well RTU system supplies power to an emergency cut-off valve, the power input unit is a solar auxiliary power supply.
Still further, in order to reduce the power consumption of the processing module, the processing module adopts a low-power processor, preferably an ultra-low-power single-chip microcomputer with the model of MSP 430.
The utility model provides a technical problem still provides a urgent shut-off valve power supply control system of natural gas well head, including the urgent shut-off valve of natural gas well RTU system, natural gas well head and the urgent shut-off valve power supply control device of above-mentioned natural gas well head, natural gas well RTU system passes through the urgent shut-off valve power supply control device of natural gas well head and is connected with the urgent shut-off valve of natural gas well head, the urgent shut-off valve power supply control device of natural gas well head is connected with the power end of urgent shut-off valve.
The beneficial effects of the utility model are that, in the scheme of the utility model, the utility model provides a natural gas well head promptly blocks valve power supply control device and system, it adopts natural gas well head promptly to block valve power supply control device and connects natural gas well RTU system and natural gas well head promptly and blocks the valve respectively, make natural gas well RTU system and natural gas well head promptly block the valve and need not the lug connection again, and after having added corresponding control software, accessible natural gas well head promptly blocks valve power supply control device and supplies power as required for the natural gas well head promptly blocks the valve, thereby can save a large amount of power consumption, make the phenomenon of natural gas well site power supply system insufficient voltage descend by a wide margin, ensure the safe and reliable operation of natural gas well site.
Drawings
Fig. 1 is the system block diagram of the utility model discloses a natural gas well head emergency stop valve power supply control device.
Fig. 2 is the system block diagram of the utility model discloses a natural gas well head emergency stop valve power supply control system.
Detailed Description
The technical solution of the present invention will be described in detail below with reference to the following embodiments and accompanying drawings.
Natural gas well head emergency shut-off valve power supply control device, its system block diagram refers to fig. 1, including being used for carrying out communication connection's communication module two with the natural gas well RTU system that corresponds, a communication module one for carrying out communication connection with the natural gas well head emergency shut-off valve that wants control, processing module and power module, wherein, communication module one, communication module two and power module are connected with processing module respectively, here, power module is used for being processing module, communication module one and the power supply of communication module two, power module includes the emergency shut-off valve feeder ear simultaneously at least, be used for through the emergency shut-off valve feeder ear with want the natural gas well head emergency shut-off valve of control to be connected.
Here, the control software added to the processing module may be: when the first communication module receives a well switching control instruction, the first control power module supplies power to the natural gas well head emergency cut-off valve connected with the first communication module, then the received well switching control instruction is forwarded out through the second communication module, the state of the natural gas well head emergency cut-off valve connected with the second communication module is obtained through the second communication module, and when the natural gas well head emergency cut-off valve finishes executing the well switching control instruction, the first control power module cuts off the power supply of the natural gas well head emergency cut-off valve connected with the first control power module.
To illustrate the power source of the power supply module, the power supply module may also be used to connect with the power supply terminal of the emergency shutdown valve of the corresponding natural gas well RTU system, so as to obtain a power supply.
In order to provide a structure of the power supply module, the power supply module comprises a power supply end of the emergency cut-off valve, an on-off control module, a battery module and a power input unit, wherein the power input unit is connected with the battery module, the battery module is connected with the power supply end of the emergency cut-off valve through the on-off control module, and the on-off control module is connected with the processing module.
In order to solve the problem that the performance of the storage battery is greatly influenced by weather at present, the battery module is preferably an ultralow-temperature lithium battery pack. Thereby ensuring the power supply capability of the natural gas wellhead emergency cut-off valve under the low-temperature condition.
In order to provide the on-off control module, the on-off control module can adopt an electronic switch, two ends of the electronic switch are respectively connected with the battery module and the power supply end of the emergency cut-off valve, and the control end of the electronic switch is connected with the processing module.
To illustrate the power source of the power input unit, the power input unit may be used to connect with the power supply terminal of the emergency shutdown valve of the corresponding gas well RTU system, so as to obtain power. In order to solve the problem that a storage battery adopted by the conventional natural gas well RTU system supplies power to the emergency cut-off valve, the power input unit is a solar auxiliary power supply, so that the power supply to the natural gas well head emergency cut-off valve is completely separated from the natural gas well RTU system, the power supply of the natural gas well RTU system is not needed, and the problem of power shortage caused by the emergency cut-off valve can not occur in the natural gas well RTU system.
In order to reduce the power consumption of the processing module, the processing module adopts a low-power processor, preferably an ultra-low-power singlechip of the model MSP 430. When the on-off control module of the power supply module adopts an electronic switch and other on-off control devices which are easy to control, the on-off control device can be controlled through an I/O pin of the MSP430 single chip microcomputer, and the realization is easy.
Emergent shut-off valve power supply control system of natural gas well head, its system block diagram refers to fig. 2, including the emergent shut-off valve power supply control device of natural gas well RTU system, natural gas well head and above-mentioned natural gas well head, wherein, the emergent shut-off valve power supply control device of natural gas well RTU system through the natural gas well head is connected with the emergent shut-off valve of natural gas well head, the emergent shut-off valve power supply control device of natural gas well head is connected with the power end of emergent shut-off valve. Therefore, the natural gas well RTU system and the natural gas well head emergency cut-off valve are respectively connected by the natural gas well head emergency cut-off valve power supply control device, so that the natural gas well RTU system and the natural gas well head emergency cut-off valve are not directly connected any more, and power supply of the natural gas well head emergency cut-off valve according to requirements can be realized.
The natural gas well head promptly blocks valve power supply control device after having added corresponding control method, during the use, can include following step:
step 1, when a communication module receives a well switching control instruction, a processing module enables a power supply end of an emergency cut-off valve of a power supply module to supply power;
step 2, the processing module sends out the received well switching control instruction through a communication module II;
and 3, the processing module acquires the state of the natural gas wellhead emergency cut-off valve to be controlled through the communication module II, judges whether the natural gas wellhead emergency cut-off valve executes a well switching control instruction or not, controls the power supply end of the emergency cut-off valve of the power supply module to be powered off if the natural gas wellhead emergency cut-off valve executes the well switching control instruction, and otherwise waits until the natural gas wellhead emergency cut-off valve executes the well switching control instruction and then controls the power supply end of the emergency cut-off valve of the power supply module to be powered off.
Therefore, the power supply state of the natural gas inlet emergency cut-off valve is changed into power supply according to needs through the natural gas well head emergency cut-off valve, only standby monitoring power consumption is achieved when power supply is not needed, the standby monitoring power consumption is less than 1mA, and compared with the standby current of 200 and 400mA of the emergency cut-off valve in the original system, the power consumption can be saved by more than 99%.
It can be seen by referring to the above control software, it can be according to by those skilled in the art that the derivation that the concrete rational in infrastructure of natural gas well head emergency shut-off valve power supply control device and system of the utility model is reachd, it is not the utility model discloses a protection scope.
Claims (9)
1. The power supply control device for the natural gas wellhead emergency block valve is characterized by comprising a communication module II, a communication module I, a processing module and a power supply module, wherein the communication module II is used for being in communication connection with a corresponding natural gas well RTU system;
the power supply module is used for supplying power to the processing module, the first communication module and the second communication module, and at least comprises an emergency cut-off valve power supply end which is used for being connected with a natural gas wellhead emergency cut-off valve to be controlled through the emergency cut-off valve power supply end.
2. The natural gas wellhead emergency shutdown valve power supply control device of claim 1, wherein the power supply module is further used for being connected with a power supply end of an emergency shutdown valve of a corresponding natural gas well RTU system so as to obtain power.
3. The natural gas wellhead emergency block valve power supply control device of claim 1, wherein the power supply module comprises an emergency block valve power supply end, an on-off control module, a battery module and a power input unit, the power input unit is connected with the battery module, the battery module is connected with the emergency block valve power supply end through the on-off control module, and the on-off control module is connected with the processing module.
4. The natural gas wellhead emergency shutdown valve power supply control device of claim 3, wherein the battery module employs an ultra-low temperature lithium battery pack.
5. The power supply control device for the emergency cut-off valve of the natural gas wellhead as claimed in claim 3, wherein the on-off control module is an electronic switch, two ends of the electronic switch are respectively connected with the power supply ends of the battery module and the emergency cut-off valve, and the control end of the electronic switch is connected with the processing module.
6. The natural gas wellhead emergency shut-off valve power supply control device of claim 3, wherein the power supply input unit is used for being connected with a power supply end of an emergency shut-off valve of a corresponding natural gas well RTU system so as to obtain power supply.
7. The natural gas wellhead power supply control device of claim 3, wherein the power input unit is a solar auxiliary power supply.
8. The natural gas wellhead power supply control device of an emergency shut-off valve according to any one of claims 1 to 7, wherein the processing module adopts a low-power processor.
9. The power supply control system of the natural gas wellhead emergency cut-off valve is characterized by comprising a natural gas well RTU system, the natural gas wellhead emergency cut-off valve and the power supply control device of the natural gas wellhead emergency cut-off valve as claimed in any one of claims 1 to 8, wherein the natural gas well RTU system is connected with the natural gas wellhead emergency cut-off valve through the power supply control device of the natural gas wellhead emergency cut-off valve, and the power supply control device of the natural gas wellhead emergency cut-off valve is connected with the power supply end of the emergency cut-off valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120843055.4U CN214787307U (en) | 2021-04-23 | 2021-04-23 | Power supply control device and system for natural gas wellhead emergency stop valve |
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| CN202120843055.4U CN214787307U (en) | 2021-04-23 | 2021-04-23 | Power supply control device and system for natural gas wellhead emergency stop valve |
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| CN214787307U true CN214787307U (en) | 2021-11-19 |
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| CN202120843055.4U Active CN214787307U (en) | 2021-04-23 | 2021-04-23 | Power supply control device and system for natural gas wellhead emergency stop valve |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117569803A (en) * | 2024-01-19 | 2024-02-20 | 四川速聚智联科技有限公司 | Prediction method and system for automatic drug delivery drainage of natural gas well |
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2021
- 2021-04-23 CN CN202120843055.4U patent/CN214787307U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117569803A (en) * | 2024-01-19 | 2024-02-20 | 四川速聚智联科技有限公司 | Prediction method and system for automatic drug delivery drainage of natural gas well |
| CN117569803B (en) * | 2024-01-19 | 2024-03-26 | 四川速聚智联科技有限公司 | Prediction method and system for automatic drug delivery drainage of natural gas well |
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