JP3497398B2 - Emergency shut-off valve monitoring system - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an emergency shutoff valve attached to a pipe provided in an area where commercial power cannot be used,
The present invention relates to an emergency shutoff valve monitoring system that shuts off by using solar energy and wind energy based on a drive signal transmitted via a wireless telegraph.

[0002]

2. Description of the Related Art The energy problem has a serious aspect to the global "global warming problem" which is approaching in the future, and reduction of carbon dioxide emission is a desperate task of humankind.
Therefore, the use of clean energy is an important theme as "connecting energy" until the development of the technology of "nuclear fusion" which is the ultimate energy as a part of the earth restoration plan for the survival of humankind.

As clean energy, nuclear power generation,
In addition to natural gas, new energy sources include geothermal power generation, wind power generation, solar power generation, and wave power generation. However, among these energies, new energy is too small to meet the global demand, and nuclear power generation has not yet solved problems such as location problems and waste disposal. Therefore,
The amount of natural gas used as clean energy is expected to increase further than the current situation. Since natural gas is mainly supplied by pipelines, it is expected that pipeline construction will increase all over the world to meet the demand in the future.

Under such circumstances, an emergency shutoff valve for coping with emergencies such as an earthquake is indispensable for networking the pipeline which continues to increase. The worldwide network of natural gas pipelines crosses Europe, Siberia and Asia, while conventional pipeline networks still have emergency shutoff valves within easy reach. The station was located so that security personnel could perform regular maintenance.

[0005]

However, in the future, pipelines will be constructed in places where people cannot easily reach, for example, in the vast desert or the depths of undeveloped Siberia. . If this pipeline is damaged due to an accident or the like, natural gas will flow out, but these stations will be unmanned, so maintenance of the emergency shutoff valve installed there is extremely important. It becomes a problem. This was true not only in the above-mentioned pipeline network in the supply of natural gas, but also in the piping network for supplying water, oil, city gas, etc. in places where it is difficult for people to reach the area. The present invention has been made in view of the above circumstances, and facilitates networking of pipelines even in places where people cannot easily reach an emergency shutoff valve by using means of wireless telegraph. It is an object of the present invention to provide an emergency shutoff valve monitoring system that can be used.

[0006]

The emergency shutoff valve monitoring system according to the present invention, which is in line with the above-mentioned object, is a site for monitoring the condition of the pipe installed with the emergency shutoff valve in a non-power source area and / or the installation environment of the pipe. An emergency shutoff valve monitoring system having a side facility and a remote control side facility installed in an urban area,
On-site equipment monitors the condition of the pipe and / or the installation environment of the pipe, as well as the actuator and the control means of the actuator that is driven by the energy stored in the solar power generation and / or the wind power generation to shut off the emergency shutoff valve. And monitoring means for performing, and a transmission / reception means on the site side for transmitting and receiving signals between these and the equipment on the remote control side via wireless telegraph,
The equipment on the remote control side transmits and receives signals to and from the equipment on the site side via wireless communication, and the monitoring signal from the monitoring means via the transmission / reception means on the site side and the remote control side transmission / reception means. In response, the condition of the pipe and / or the installation environment of the pipe is detected, and when an abnormality is detected in the condition of the pipe and / or the installation environment of the pipe, the actuator of the actuator is transmitted via the remote operation side transmitting / receiving means and the site side transmitting / receiving means. And a judgment / command means for transmitting a drive signal to the control means.

Here, the non-power source area means an area where commercial power source cannot be used, such as a desert, a primitive forest such as Siberia, or a deep mountainous area. An air cylinder or an electric cylinder can be used as the actuator. The monitoring means in the site equipment is the temperature sensor for detecting the temperature, pressure, and flow rate of the fluid flowing in the pipe, the pressure sensor and flow rate sensor, and the environment temperature, atmospheric pressure, humidity, and rainfall in the emergency shutoff valve installation section. A thermometer, a barometer, a hygrometer and a rain gauge, an earthquake sensor that detects the magnitude of an earthquake, and a monitoring camera that monitors the condition of the pipe and the installation environment of the pipe, that is, whether cracks have occurred, etc. Say. The discrimination / instruction means in the equipment on the remote control side is an emergency state by comparing the monitoring signal sent from the monitoring means of the pipe condition with the set value stored in the storage device, which is incorporated in the CPU of the control device. It is a means capable of determining whether or not to output a drive signal to the control means of the actuator. The judgment / instruction means also includes a monitor device.

With the above-described structure, normally, in the site-side facility, the monitoring means constantly monitors the condition of the pipe and / or the environment of the facility of the pipe, and the monitoring signal is the site-side transmitting / receiving means and the remote control side. It is transmitted to the judgment / instruction means in the facility on the remote operation side by wireless communication via the transmission / reception means. When the judgment / instruction means judges that it is in an emergency state, a drive signal is transmitted from the remote operation side equipment to the actuator control means by wireless communication via the remote operation side transmission / reception means and the site side transmission / reception means, and the drive is driven. The actuator operates based on the signal to quickly shut off the emergency shutoff valve. Therefore, even in a place where it is not possible for a person to easily reach such a place as in the above-mentioned network of pipelines in the supply of natural gas, an emergency can be dealt with swiftly and appropriately.

In particular, when the transmission / reception between the on-site transmission / reception means and the remote control side transmission / reception means is performed by using a communication satellite, the emergency shutoff valve in the pipeline network can be monitored on a global scale. . If a monitoring camera that monitors the external appearance of piping is used as the monitoring means and a monitor device that displays the piping image captured by the monitoring camera is used as the determination / command means, the equipment on the site side rather than the equipment on the remote control side is used. Since the condition of the piping in the can be checked as a video at all times, it is possible to deal with the emergency situation more quickly and accurately. As a monitoring means, a pressure sensor that detects the pressure of the fluid flowing in the pipe is used to
By configuring the command means to compare the detected pressure as a monitoring signal output from the pressure sensor with the set pressure range and output a drive signal if the pressure is outside the set pressure range, the pressure of the fluid in the pipe is When the temperature becomes abnormally high, the emergency shutoff valve can be quickly shut off to prevent the pipe from bursting.

As the monitoring means, a flow rate sensor for detecting the flow rate of a fluid such as natural gas flowing through the piping of the on-site equipment is used, and the judging / commanding means sets the detected flow rate as a monitoring signal output from the flow rate sensor. Compared with the flow rate range, if it is outside the set flow rate range, it is configured to output a drive signal, and if there is an abnormality in the flow rate inside the pipe due to leakage of natural gas in the pipeline or a blockage accident, an emergency occurs. The shutoff valve can be shut off quickly. As a monitoring means, an earthquake sensor installed in the on-site facility is used, and the judgment / command means compares the earthquake intensity as a monitoring signal output from the earthquake sensor with the set intensity. Is configured to output to the control means, it is possible to quickly shut off the emergency shutoff valve when an earthquake of a set intensity or more occurs, and prevent the fluid from flowing out from the pipe. In addition, a judgment / instruction means for judging the condition of the piping and / or the installation environment of the piping in response to the monitoring signal from the monitoring means is separately provided in the facility on the site side, and the emergency situation is divided into a plurality of stages so that when a serious situation occurs, It is also possible to directly drive the actuator based on the judgment signal from the judgment / instruction means without waiting for the drive signal from the remote operation side equipment. Thereby, even if the transmission / reception with the remote-control-side equipment is poor, the occurrence or expansion of a serious accident can be reliably prevented. In addition, an air cylinder is used as an actuator, and a small air compressor is operated by the energy obtained by storing electric power obtained by solar power generation and / or wind power generation to store compressed air of a predetermined pressure in an air tank. You can also As a result, even if the power generated by solar power generation or wind power generation is small, it is possible to use this power to store compressed air at a predetermined pressure in a large air tank over time with a small air compressor. Even when used, a large-scale emergency shutoff valve that requires a large amount of electric power can be instantaneously supplied with a large amount of compressed air to the air cylinder to be opened and closed instantaneously. Furthermore, compressed air in the air tank that is insufficient after the emergency operation of the air cylinder is supplied to the air tank by operating a small air compressor with the energy stored by the solar power generation and / or the wind power generation,
It is also possible to store compressed air at a predetermined pressure. As a result, the air cylinder can always be maintained in an operable state, so that the safety of the entire system can be further enhanced. Furthermore, the monitoring means and / or the transmitter / receiver means on the site side equipment should be operated by the energy stored with the electric power obtained by the solar power generation and / or the wind power generation, and the monitoring and transmission / reception work of the site side equipment should be performed regularly. It can be made possible without specific energy supply.

[0011]

BEST MODE FOR CARRYING OUT THE INVENTION Next, referring to the attached drawings, an embodiment in which the present invention is embodied will be described to provide an understanding of the present invention. First, the overall configuration of an emergency shutoff valve monitoring system A according to an embodiment of the present invention will be described with reference to FIGS. 1 and 2. It should be noted that this embodiment uses the pipe 12
I will explain the case where the fluid flowing inside is natural gas.
It goes without saying that the emergency shutoff valve monitoring system A according to the present invention can also be used for other gases, oil, and water. As shown in FIGS. 1 and 2, the emergency shutoff valve monitoring system A includes a site-side facility 10 and a remote-control-side facility 11, which are provided on the surface of the earth at a considerable distance.

First, the on-site equipment 10 will be described. As shown in FIG. 1, the on-site equipment 10 is provided on a desert D which is a non-power source area where commercial power cannot be used. A pipe 12 forming a part of the pipeline network is laid on the desert D, and an emergency cutoff valve 13 for cutting off the flow of natural gas in the pipe 12 is attached to the middle of the pipe 12. And the emergency shutoff valve 13 is
A building that forms a station to protect it from wind and rain 1
It is arranged in 4. A transmitting / receiving antenna 15 is installed in the vicinity of the building 14, and a monitoring camera 16 which is an example of a monitoring unit and monitors the appearance of the pipe 12 is attached to an intermediate portion of the transmitting / receiving antenna 15. Surveillance camera 1
Reference numeral 6 is directed to the emergency shutoff valve 13 in the building 14 and the portion of the pipe 12 forming the vicinity thereof. Further, in the present embodiment, an anemometer 17, a wind vane 18, and a lightning rod 19 are attached above the transmitting / receiving antenna 15.

On the roof of the building 14, there are installed a solar cell 20 used for solar power generation and a wind power generator 21 used for wind power generation, for example, a Saponius type wind power generator. Explaining the internal structure of the building 14,
As shown in FIG. 2, a large-scale emergency shutoff valve 13 that is opened and closed by an air cylinder 22 that is an example of an actuator is installed in the middle of the pipe 12 that penetrates the building 14. Various types of emergency shutoff valves 13 can be used.
The emergency shutoff valve which consists of the pilot type butterfly valve disclosed in Japanese Patent No. 42623 can be used. By using this emergency shutoff valve, there is little impact due to fluid closing, and it is possible to quickly, easily, and safely perform emergency closing, and even when opening, there is little resistance because the opening opens first, and power is required to open and close. Therefore, the emergency shutoff valve 13 can be made simple and lightweight.

An air tank 24 is connected to the air cylinder 22 via a direction switching valve 23.
A small compressor 25 is connected to the. The compressor 25 is connected to a drive power supply 26, and the drive power supply 26 is connected to the solar cell 20 and the Saponius type wind power generator 21. In addition, the drive power source 26 includes a battery system 2
7 is connected. Further, a control device 28 (an example of control means) for controlling the air cylinder 22 is installed in the building 14, and the control device 28 has a drive power supply 2
6, a directional control valve 23, a monitoring camera 16, a first pressure sensor 29a, a second pressure sensor 29b, and a transmission / reception system 29, which is an example of a site-side transmission / reception unit including a transmission / reception antenna 15, is connected to each other. Has been done.

Here, the drive power source 26 is provided to supply power to the compressor 25 based on a drive signal from the control device 28, drive the compressor 25 and supply compressed air of a predetermined pressure to the air tank 24. . The directional control valve 23 selectively supplies compressed air from the air tank 24 to one of the two cylinder chambers of the air cylinder 22 based on a control signal from the control device 28, and the emergency shutoff valve 1
It is used to open and close 3. The transmission / reception system 29 transmits the monitoring signal obtained by the monitoring camera 16 to a remote control side equipment 11 described later via a means of wireless telegraphy (including a wireless telephone), specifically, a communication satellite (for example, Iridium communication satellite) 30. And is used for receiving a drive signal for driving an air cylinder 22 described later from the remote operation side equipment 11. The first and second pressure sensors 29a and 29b are used to detect the gas pressure of the natural gas flowing in the pipe 12 and the air pressure in the air tank 24, respectively.

Next, referring to FIGS. 1 and 2, the structure of the remote-control-side equipment 11 will be described. As shown in FIG. 1, the remote-control-side equipment 11 is an area where the telephone line 33 can be used, that is, an urban area. It is installed in the building 31 installed in. As shown in FIG. 2, the equipment 11 on the remote control side is
A transmission / reception system 34, which is an example of a remote operation side transmission / reception means for receiving a surveillance signal from the surveillance camera 16 via the communication satellite 30, the transmission / reception antenna 32, and the telephone line 33.
And a control device 36 which is connected to the transmission / reception system 34 and internally includes a monitor device 35 which is an example of a judgment / command means for judging the state of the pipe 12 and / or the installation environment of the pipe 12. In addition, the transmission / reception system 34 determines
Based on the judgment of the command means, the control device 28 in the on-site equipment 10 via the telephone line 33 and the communication satellite 30.
A drive signal for driving the air cylinder 22 can be transmitted to the.

Next, the operation of the emergency shutoff valve monitoring system A having the above configuration will be described. Normally, in the site-side equipment 10, the monitoring camera 16 constantly monitors the state of the pipe 12 and / or the installation environment of the pipe 12 based on the operation signal from the remote-operation-side facility 11.
The first pressure sensor 29a constantly monitors the gas pressure of the natural gas flowing in the pipe 12. And the surveillance camera 16
The monitoring signals such as the piping image captured by the operator and the detection pressure signal detected by the first pressure sensor 29a are transmitted to the monitor device 35 and the like in the remote-operation-side facility 11 via the communication satellite 30 and the telephone line 33. The transmitting / receiving antenna 32
A satellite relay circuit 37 and a public telephone circuit 38 are arranged between the control device 36 and the control device 36 via a telephone line 33. Then, the exchange of signals between the public telephone circuit 38 and the control device 36 is performed via a repeater 39 such as a modem. Therefore, in the remote-operation-side facility 11, when the observer discovers an abnormality such as a crack in the pipe 12 through the monitor device 35, or the pipe 1
When the detected pressure in 2 goes out of the set pressure range stored in the storage device of the control device 36, both are judged to be an emergency and the remote control side equipment 11 which is the emergency shutoff valve remote device section
Then, a drive signal for driving the air cylinder 22 is transmitted to the control device 28 of the on-site equipment 10 via the telephone line 33, the transmitting / receiving antenna 32, and the communication satellite 30, and the air cylinder is based on the drive signal. The emergency shutoff valve 13 can be quickly shut off by driving the valve 22. In addition, the set pressure range is set in advance in a plurality of stages, for example, level 1,
It is set in two stages, and in the case of level 1 which is the minimum danger level, only a warning signal is issued to the remote operation side equipment, and when the level 2 which becomes even higher, the site side equipment Alternatively, the emergency shutoff valve 13 may be immediately shut off by directly driving the air cylinder 22 on the basis of a decision signal from the decision / instruction means separately provided in the air conditioner 10. As a result, it is possible to flexibly respond to the occurrence of a sudden serious situation that requires an instantaneous judgment, and further improve the safety of the entire system. Here, the power supplied to the compressor 25 that drives the air cylinder 22, the monitoring camera 16 and / or the drive power supply 26 that supplies power to the transmission / reception system 29 can be generated not only by the solar cell 20 but also by the wind power generator 21. Since it has a structure,
Even when the site equipment is in a high latitude area and there are few sunshine days, the electric power stored in the drive power supply 26 can be stably supplied as energy.

Therefore, for example, when the above-mentioned pipe 12 is used as a network of pipelines in the supply of natural gas, even in the desert D where people cannot easily reach, the emergency shutoff valve is used. It is possible to easily and surely shut off 13 and deal with an emergency situation quickly and appropriately. In particular, in this embodiment, since the monitoring camera 16 that monitors the pipe 12 is used as the monitoring means, the state of the pipe 12 and / or the installation environment of the pipe 12 in the site-side facility 10 in the remote-operation-side facility 11 is
Since it can be confirmed as a video at all times, it is possible to deal with emergency situations more quickly and accurately.

Further, in the present embodiment, the air cylinder 22 is used as the actuator, and the small air compressor 25 is operated by the electric power obtained by the solar power generation and / or the wind power generation to compress the air tank 24 to a predetermined pressure. Air is pressure-stored, and compressed air in the air tank 24 that runs short after the operation is replenished with the energy stored in the solar power generation and / or the wind power generation. Therefore, even if the power generated by the solar power generation or the wind power generation is small, it is possible to store compressed air of a predetermined pressure in the large air tank 24 over time with the small air compressor 25 using this power. As a result, in preparation for the occurrence of an emergency, compressed air can be supplied to the emergency shutoff valve 13 as a drive energy source based on an emergency signal, which is one of the monitoring signals. It is possible to instantly open and close the large-scale emergency shutoff valve 13 that requires electric power by a large amount of compressed air.

Although the present invention has been described above with reference to an embodiment, the present invention is not limited to the structure described in the above embodiment, but is described in the scope of claims. Other embodiments and modifications that are conceivable within the scope of the matters described above are also included. For example, in the above-described embodiment, the monitoring camera and the pressure sensor are used as the monitoring means, but the temperature of the fluid flowing in the pipe, the thermometer and the flow sensor that respectively detect the flow rate, and the installation environment of the pipe in the site side equipment It is also possible to use a thermometer, a barometer, a hygrometer and a rain gauge that respectively detect temperature, atmospheric pressure, humidity, and rainfall, and an earthquake sensor that detects the intensity (magnitude) of an earthquake. Also, the monitoring means performs transmission / reception with the equipment on the remote operation side in the event of a serious situation, but does not wait for a drive signal from the equipment on the remote operation side to operate the actuator by the signal from the judgment / command means provided on the equipment on the site side. It is also possible to have a function capable of being directly driven. In this case, even if the transmission / reception with the remote control side equipment is bad,
It is possible to prevent the occurrence of a serious accident or its spread.

[0021]

In an emergency cutoff valve monitoring system of claims 1-8, wherein according to the present invention, a normal state, in the field-side equipment, the monitoring means always monitors the status and / or piping of the installation environment of the pipe, the The monitoring signal is transmitted to the judgment / instruction means in the facility on the remote control side via a wireless telegraph. When the judging / instructing means judges that it is in an emergency state, a drive signal is transmitted from the remote operation side equipment to the actuator via wireless telegraph, and the actuator operates based on the drive signal to promptly operate the emergency shutoff valve. Cut off. Therefore, even in places where it is difficult for people to easily reach such places as the network of pipelines in the supply of natural gas, it is possible to promote the networking of pipelines and deal with emergency situations promptly and appropriately. You can That
In this emergency shutoff valve monitoring system,
Using an air cylinder as the data, solar power generation and / or
Is a small air conditioner powered by wind power.
Operate the compressor to operate the compressed air in the air tank
By constructing a structure that stores air pressure, solar power generation and wind
Even if the power generated by power generation is small, use this power
A large air tank over time with a small air compressor
Since compressed air with a specified pressure can be stored in the
Large amount that requires large amount of power even when using normal power
Type emergency shutoff valve instantly by opening a large amount of compressed air
It can be opened and closed.

Particularly, in the emergency shutoff valve monitoring system according to the second aspect, since the transmission / reception between the on-site transmission / reception means and the remote control side transmission / reception means is performed using the communication satellite, the emergency shutoff in the pipeline network is performed. Valve monitoring can be done globally.

In the emergency shutoff valve monitoring system according to the third aspect of the present invention, since the monitoring camera for monitoring the pipe is used as the monitoring means, the condition of the pipe in the site-side facility is constantly confirmed as a video from the remote-side facility. Yes, and can respond to emergencies more quickly and accurately.

In the emergency shutoff valve monitoring system according to claim 4, a pressure sensor for detecting the pressure of the fluid flowing in the pipe is used as the monitoring means, and the judging / commanding means is used as the monitoring signal output from the pressure sensor. By comparing the detected pressure with the set pressure range and outputting a drive signal if it is outside the set pressure range, the emergency shutoff valve is shut off quickly when the fluid pressure in the pipe becomes abnormally high, It is possible to prevent the pipe from bursting.

In the emergency shutoff valve monitoring system according to the present invention, the flow rate of a fluid such as natural gas flowing through the piping of the on-site equipment is detected, and if it is outside the set flow rate range, a drive signal is sent to the actuator control means. Output, the emergency shutoff valve is shut off quickly when the flow rate of the fluid flowing in the pipe is abnormal due to leakage of natural gas in the pipeline or a blockage accident. Can be maintained. In the emergency shutoff valve monitoring system according to claim 6, the monitoring means includes an earthquake sensor arranged in the on-site facility, and the judging / commanding means sets the intensity of the earthquake as a monitoring signal output from the earthquake sensor. In comparison with the above, since the drive signal is output when the strength is equal to or higher than the set strength, the emergency shutoff valve can be quickly shut off to prevent the outflow of the fluid from the pipe when an earthquake with the strength equal to or higher than the set strength occurs. .

In the emergency shutoff valve monitoring system according to the present invention, the monitoring means performs transmission / reception with the equipment on the remote operation side when a serious situation occurs, but does not wait for a drive signal from the equipment on the remote operation side to directly actuate the actuator. It is also possible to have a function that can be driven to. In this case, even if transmission / reception with the facility on the remote control side is poor, it is possible to prevent the occurrence or spread of a serious accident.

In the emergency shutoff valve monitoring system according to the eighth aspect, the monitoring means and / or the on-site transmission / reception means in the on-site equipment are operated by the energy stored with the electric power obtained by the solar power generation and / or the wind power generation. As a result, it is possible to monitor and transmit / receive the site-side equipment in an isolated environment without relying on regular energy supply.

[Brief description of drawings]

FIG. 1 is a conceptual configuration explanatory diagram showing an overall configuration of an emergency shutoff valve monitoring system according to an embodiment of the present invention.

FIG. 2 is an explanatory diagram showing an internal configuration of a site-side facility and a remote-control-side facility that constitute the emergency shutoff valve monitoring system according to the embodiment of the present invention.

[Explanation of symbols]

A: Emergency shutoff valve monitoring system, D: Desert, 10: Site side equipment, 11: Remote control side equipment, 12: Piping, 13: Emergency shutoff valve, 14: Building, 15: Transmitting / receiving antenna, 16: Surveillance camera, 17 : Anemometer, 18: wind vane, 19: lightning rod, 20: solar cell, 21: wind power generator, 22: air cylinder, 23: direction switching valve, 24: air tank, 25:
Compressor, 26: driving power supply, 27: battery system, 28: control device, 29: transmission / reception system, 29a:
1st pressure sensor, 29b: 2nd pressure sensor, 30:
Communication satellite, 31: building, 32: transmitting / receiving antenna, 33:
Telegraph / telephone line, 34: transmission / reception system, 35: monitor device, 36: control device, 37: satellite relay circuit, 38: public telephone circuit, 39: relay device

─────────────────────────────────────────────────── ─── Continuation of the front page (56) Reference JP-A-1-46078 (JP, A) JP-A-4-203700 (JP, A) JP-A-7-333171 (JP, A) JP-A-1- 132914 (JP, A) JP-A-8-329369 (JP, A) JP-A-10-27291 (JP, A) JP-A-10-96215 (JP, A) (58) Fields investigated (Int.Cl. ⁷ , DB name) F17D 1/00-5/08 G08B 25/10 G08B 25/00

Claims (8)

(57) [Claims] 1. An emergency shutoff valve monitor having on-site equipment for monitoring the condition and / or installation environment of piping installed in a non-power source area equipped with an emergency shutoff valve, and remote control equipment installed in urban areas. A system, wherein the site-side equipment is driven by energy stored in electric power obtained by solar power generation and / or wind power generation to shut off the emergency shutoff valve, a control means for the actuator, and a state of the pipe. And / or monitoring means for monitoring the installation environment of the pipe, and a site side transmitting / receiving means for transmitting and receiving a signal between these and the remote operation side equipment via a wireless telegraph, the remote operation side equipment, The remote operation side transmitting / receiving means for transmitting / receiving a signal to / from the site side equipment via the wireless telegraph, the site side transmitting / receiving means and the remote operation side transmitting / receiving means When the condition of the pipe and / or the installation environment of the pipe is detected by receiving the monitoring signal from the visual means and an abnormality is detected in the condition of the pipe and / or the installation environment of the pipe, the remote operation side transmitting / receiving means And a judgment / instruction means for transmitting a drive signal to the control means of the actuator via the field side transmission / reception means , and further, the actuator is an air cylinder and the sunlight
Stored the power generated by power generation and / or wind power
Activating a small air compressor with energy
Store compressed air at a specified pressure in the air tank and
When an emergency occurs, one of the above-mentioned monitoring signals, emergency
Install the compressed air in the middle of the pipe based on the signal
Supply as a drive energy source to the burned out emergency shutoff valve
The emergency shutoff valve should be opened and closed, and
Insufficient compression in the air tank after the emergency operation of the Linda
Obtain air by said solar and / or wind power
The small air generated by the stored energy
Operate the compressor to supply into the air tank,
Emergency shutoff characterized by accumulating compressed air of constant pressure
Valve monitoring system. 2. The emergency shutoff valve monitoring system according to claim 1, wherein transmission / reception between the on-site transmission / reception means and the remote operation side transmission / reception means is performed by using a communication satellite. . 3. The emergency shutoff valve monitoring system according to claim 1 or 2, wherein said monitoring means includes a monitoring camera for monitoring the external appearance of said piping based on an operation signal from the side of said remote control side equipment, The emergency shutoff valve monitoring system, wherein the judgment / command means includes a monitor device for displaying a pipe image taken by the monitoring camera. 4. The emergency shutoff valve monitoring system according to claim 1, wherein the monitoring means includes a pressure sensor that detects the pressure of the fluid flowing in the pipe.
The determination / command means compares the detected pressure as a monitoring signal output from the pressure sensor with a set pressure range, and outputs the drive signal if the pressure is outside the set pressure range. Monitoring system. 5. The emergency shutoff valve monitoring system according to claim 1, wherein the monitoring unit includes a flow rate sensor that detects a flow rate of a fluid flowing in the pipe,
The determination / command means compares the detected flow rate as a monitoring signal output from the flow rate sensor with a set flow rate range, and outputs the drive signal if it is outside the set flow rate range. Monitoring system. 6. The emergency shutoff valve monitoring system according to any one of claims 1 to 5, wherein the monitoring means includes an earthquake sensor arranged in the on-site facility, and the judging / commanding means includes the seismic sensor. An emergency shutoff valve monitoring system characterized in that the intensity of an earthquake as a monitoring signal output from an earthquake sensor is compared with a set intensity, and if the intensity is equal to or higher than the set intensity, it is output to the control means to drive the actuator. . 7. The emergency shutoff valve monitoring system according to claim 1, wherein the on-site equipment receives a monitoring signal from the monitoring means, and the state of the pipe and / or the pipe A judgment / instruction means for judging the installation environment is separately provided, and an emergency situation is divided into a plurality of stages. When a serious situation occurs, the judgment signal from the judgment / instruction means does not have to wait for a drive signal from the remote operation side equipment. An emergency shutoff valve monitoring system characterized in that the actuator is directly driven based on the above. 8. The emergency shutoff valve monitoring system according to claim 1 , wherein the monitoring unit and / or the site-side transmitting / receiving unit in the site-side facility is the solar power generation and / or An emergency shutoff valve monitoring system, which is operated by the energy stored as electric power obtained by wind power generation.