CN106444551A - Remote control system and control method for valve of long-distance water supply pipeline - Google Patents
Remote control system and control method for valve of long-distance water supply pipeline Download PDFInfo
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- CN106444551A CN106444551A CN201611072246.5A CN201611072246A CN106444551A CN 106444551 A CN106444551 A CN 106444551A CN 201611072246 A CN201611072246 A CN 201611072246A CN 106444551 A CN106444551 A CN 106444551A
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- photovoltaic cell
- remote ground
- communication module
- control system
- valve
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- 238000000034 method Methods 0.000 title claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 8
- 238000004891 communication Methods 0.000 claims description 64
- 238000012806 monitoring device Methods 0.000 claims description 25
- 229910000831 Steel Inorganic materials 0.000 claims description 15
- 239000010959 steel Substances 0.000 claims description 15
- 230000003028 elevating effect Effects 0.000 claims description 8
- 230000005611 electricity Effects 0.000 claims description 7
- 238000005070 sampling Methods 0.000 claims description 3
- 230000008054 signal transmission Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 230000009545 invasion Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000033001 locomotion Effects 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Automation & Control Theory (AREA)
- Selective Calling Equipment (AREA)
- Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
Abstract
The invention discloses a remote control system and control method for a valve of a long-distance water supply pipeline, and relates to the technical field of long-distance water supply. The system structurally comprises a photovoltaic cell and a power electronic converter, wherein energy acquired by the photovoltaic cell is stored into a storage battery through the power electronic converter. The remote control system for the valve further comprises a photovoltaic cell protection device, the photovoltaic cell protection device comprises a wind speed sensor, a photovoltaic cell protection microprocessor and a photovoltaic cell hiding and exposing switching mechanism, and the photovoltaic cell hiding and exposing switching mechanism is mechanically connected with the photovoltaic cell. According to the system and the method, power is supplied to each piece of electric equipment through the photovoltaic cell, the photovoltaic cell is protected by the photovoltaic cell protection device, and specifically, the magnitude of wind speed is sensed by virtue of the wind speed sensor, and in case of strong wind, the photovoltaic cell hiding and exposing switching mechanism is controlled by the photovoltaic cell protection microprocessor to hide the photovoltaic cell to further prevent the photovoltaic cell from being attacked by the strong wind, so that the photovoltaic cell can be well protected.
Description
Technical field
The present invention relates to distance hydrotechny field, more particularly to a kind of distance supply channel valve remotely control
System and control method.
Background technology
If the valve arrangement of the supply channel of general distance, in wilderness field, is difficult to be monitored, operational management
Safeguard also inconvenient, subject matter be wilderness field power difficulty and control signal transmission difficult.
For power supply, because electrically operated valve is the actuator of discontinuous work, the power one of its driving and control system
As about several hectowatts, and the new energy technology such as low power photovoltaic cell, low power wind-power electricity generation is very ripe at present,
Can be charged a battery through converters using photovoltaic cell or wind-power electricity generation, then by accumulator to electrically operated valve with
And its control system, communication system power, but remain a need for solving wilderness field photovoltaic cell being easily subject to the destructions such as strong wind
Problem.
Content of the invention
It is an object of the invention to avoiding weak point of the prior art and providing a kind of distance supply channel valve
Tele-control system and control method, after this distance supply channel valve remote control system is available for software engineer's programming,
To realize the valve of distance supply channel is monitored, photovoltaic cell also can be protected well.
The purpose of the present invention is achieved through the following technical solutions：
A kind of distance supply channel valve remote control system, photovoltaic cell and converters, described photovoltaic are provided
The energy that battery obtains is stored into accumulator through converters；
Described valve remote control system also includes photovoltaic cell protection device, and described photovoltaic cell protection device includes wind speed and passes
Sensor, photovoltaic cell protection microprocessor and photovoltaic cell are built-in and expose switching mechanism, described air velocity transducer and described light
The input electrical connection of volt battery protection microprocessor, described photovoltaic cell protects the outfan of microprocessor and described photovoltaic electric
Pond is built-in and exposes switching mechanism electrical connection, and described photovoltaic cell is built-in and exposes switching mechanism with described photovoltaic cell machinery even
Connect.
Wherein, described photovoltaic cell is built-in and exposes switching mechanism for photovoltaic cell lift drive mechanism, described photovoltaic electric
Pond lift drive mechanism includes the protection casing of photovoltaic cell and the elevating mechanism for lifting this protection casing, described guard box
The top of body is provided with the opening coming in and going out for photovoltaic cell, and the tank wall of described protection casing is made up of steel plate, uniform cloth above it
It is equipped with through hole.
Wherein, the diameter of the through hole of described tank wall is equal to the thickness of described steel plate.
Wherein, described through hole is the through hole tilting, and aperture is located at the position of lateral surface of steel plate and the inner side being located at steel plate
Centre distance between the position in face is equal to the thickness of steel plate.
Wherein, the bottom of described protection casing has spilled water hole.
Wherein, described accumulator protects microprocessor and photovoltaic cell lift drive mechanism to power for photovoltaic cell.
Wherein, described valve remote control system also includes signal column, photovoltaic column and wind-force column 4, signal column
Remote ground wireless communication module is installed at top；Protection casing is installed on photovoltaic column, elevating mechanism, elevator are installed in guard box body
Photovoltaic cell is installed in the top of structure；Wind-driven generator is installed on blower fan column；The height of blower fan column, photovoltaic column and signal column
Degree reduces successively.
Described valve remote control system also includes the driving means of valve, remote ground monitoring device, remote ground Non-follow control set
Standby, remote ground wireless communication module, local radio communication module, accumulator and watch-dog, described watch-dog is led to local wireless
Letter module electrical connection, described local radio communication module is communicated with described remote ground wireless communication module by cordless communication network,
Described remote ground wireless communication module is electrically connected with described remote ground monitoring device, and described remote ground monitoring device, remote ground handheld device are equal
Electrically connect with described driving means, described driving means and valve are mechanically connected, described accumulator is described driving means, far
Manual control equipment and remote ground wireless communication module for power supply.
Wherein, described driving means include motor, encoder, power circuit and controller, described remote ground monitoring device, remote
The outfan of ground handheld device is all electrically connected with the first input end of described controller, the outfan of described controller and described work(
The input electrical connection of rate circuit, the outfan of described power circuit is electrically connected with the input of described motor, described motor
Feedback end is electrically connected with the input of described encoder, and the outfan of described encoder is electric with the second input of described controller
Connect, the outfan of described power circuit electrically connects with the 3rd input of described controller, described motor and described valve machine
Tool connects.
A kind of control method of distance supply channel valve remote control system it is characterised in that：Comprise the steps：
Step one：It is that accumulator charges using photovoltaic cell, accumulator is described driving means, remote ground manual control equipment and far
Ground wireless communication module for power supply；
Step 2：Sense the size of wind speed using air velocity transducer, when wind is big, photovoltaic cell protects microprocessor control
Photovoltaic cell is declined by photovoltaic cell lift drive mechanism processed；
Step 3：Control instruction is sent to local radio communication module by watch-dog, local radio communication module is passed through wireless
Communication network is communicated with described remote ground wireless communication module, and this control instruction is transmitted to remote ground wireless communication module；
Step 4：Remote ground wireless communication module transmits this control instruction to remote ground monitoring device；
Step 5：Remote ground monitoring device controls driving means to drive valve on or off according to this control instruction.
Wherein, driving means drive the step of the on or off of valve as follows：
Step one：Controller receives remote ground monitoring device, the instruction of remote ground handheld device, output trigger triggering power circuit
Send PWM potential pulse to motor；
Step 2：Motor is according to the on or off of this PWM potential pulse control valve；
Step 3：Encoder obtains the speed of motor and position sample signal feeds back to controller, and controller combines power electricity
The electric current of sampling in the PWM potential pulse of road output, the trigger of adjustment output.
Beneficial effects of the present invention：
A kind of distance supply channel valve remote control system of the present invention, protects photovoltaic by photovoltaic cell protection device
Battery, specifically senses the size of wind speed using air velocity transducer, and when wind is big, photovoltaic cell protects microprocessor control
Photovoltaic cell processed is built-in and exposes switching mechanism and conceals photovoltaic cell, and then guarantees the invasion and attack from strong wind for the photovoltaic cell,
Photovoltaic cell can be protected well.
A kind of control method of distance supply channel valve remote control system of the present invention, is to store using photovoltaic cell
Battery charges, and accumulator is described driving means, remote ground manual control equipment and remote ground wireless communication module for power supply；Using wind speed
Sensing the size of wind speed, when wind is big, photovoltaic cell protection microprocessor controls photovoltaic cell built-in and outer to sensor
Photovoltaic cell is concealed by dew switching mechanism；Control instruction, local wireless are sent to local radio communication module by watch-dog
Communication module is communicated with described remote ground wireless communication module by cordless communication network, and this control instruction is transmitted to far wirelessly
Communication module；Remote ground wireless communication module transmits this control instruction to remote ground monitoring device；Remote ground monitoring device is according to this control
System instruction controls driving means to drive valve on or off, and then realizes the remotely control of distance supply channel valve and right
The protection of photovoltaic cell.
Brief description
Using accompanying drawing, invention is described further, but the embodiment in accompanying drawing does not constitute any limitation of the invention,
For those of ordinary skill in the art, on the premise of not paying creative work, it can also be obtained according to the following drawings
Its accompanying drawing.
Fig. 1 is a kind of circuit block diagram of distance supply channel valve remote control system of the present invention.
Fig. 2 is a kind of structural representation of the driving means of distance supply channel valve remote control system of the present invention
Figure.
Fig. 3 be a kind of signal column of distance supply channel valve remote control system of the present invention, photovoltaic column and
The structural representation of wind-force column.
In figure includes：
Protection casing 1, spilled water hole 11；
Photovoltaic column 2；
Signal column 3；
Wind-force column 4.
Specific embodiment
The invention will be further described with the following Examples.
The invention thinking of the present invention is：General distance supply channel valve arrangement, is run it is impossible to monitoring in wilderness field
Management service is also inconvenient.Subject matter is that power difficulty, the control signal transmission of wilderness field is difficult.
For power supply, because electrically operated valve is the actuator of discontinuous work, the power one of its driving and control system
As about several hectowatts, and the new energy technology such as low power photovoltaic cell, low power wind-power electricity generation is very ripe at present,
Can be charged a battery through converters using photovoltaic cell or wind-power electricity generation, then by accumulator to electrically operated valve with
And its control system, communication system power, but remain a need for solving wilderness field photovoltaic cell being easily subject to the destructions such as strong wind
Problem.
For control signal transmission, because the cost of wire transmission in distance water system is too high, less feasible, and
The wireless network of several Virtual network operator such as telecommunications, movement or UNICOM then covers relatively extensively, and very reliably, cost is relatively low, because
This can solve signal transmission issues using the signal transmission form based on wireless network.
A kind of distance supply channel valve remote control system of the present embodiment is it is intended to solve distance supply channel
How the problem of valve monitoring, and the problem of power supply, protect the problem of photovoltaic cell simultaneously using supplying power for photovoltaic cell.
The present embodiment as shown in Figure 1 to Figure 3, sets including the driving means of valve, remote ground monitoring device, remote ground Non-follow control
Standby, remote ground wireless communication module, local radio communication module, accumulator and watch-dog, described watch-dog is led to local wireless
Letter module electrical connection, described local radio communication module is communicated with described remote ground wireless communication module by cordless communication network,
Described remote ground wireless communication module is electrically connected with described remote ground monitoring device, and described remote ground monitoring device, remote ground handheld device are equal
Electrically connect with described driving means, described driving means and valve are mechanically connected, described accumulator is described driving means, far
Manual control equipment and remote ground wireless communication module for power supply；
Described valve remote control system also includes photovoltaic cell and converters, the energy that described photovoltaic cell obtains
It is stored into accumulator through converters；
Described valve remote control system also includes photovoltaic cell protection device, and described photovoltaic cell protection device includes wind speed and passes
Sensor, photovoltaic cell protection microprocessor and photovoltaic cell are built-in and expose switching mechanism, described air velocity transducer and described light
The input electrical connection of volt battery protection microprocessor, described photovoltaic cell protects the outfan of microprocessor and described photovoltaic electric
Pond is built-in and exposes switching mechanism electrical connection, and described photovoltaic cell is built-in and exposes switching mechanism with described photovoltaic cell machinery even
Connect.
Wherein, described photovoltaic cell is built-in and exposes switching mechanism for photovoltaic cell lift drive mechanism, described photovoltaic electric
Pond lift drive mechanism includes the protection casing 1 of photovoltaic cell and for lifting the elevating mechanism of this protection casing 1, described liter
Descending mechanism is the small-sized DC motor or permasyn morot or brushless direct current motor being driven by converters,
Microprocessor, according to the signal of wind sensor and the period signal on daytime, night, sends PWM drive signal to control lifting
The action of mechanism, from but photovoltaic battery panel raise enter working condition or be lowered into protect casing 1 in.
The top of described protection casing 1 is provided with the opening coming in and going out for photovoltaic cell, and the tank wall of described protection casing 1 is by thick steel
Plate is made, and has been evenly arranged through hole above it, to allow part wind entrance casing, reduces the pressure to casing for the strong wind, it is to avoid case
Body deforms.
Wherein, the diameter of the through hole of described tank wall is equal to the thickness of described steel plate, if through hole is too big, it is right not have
The protective effect of photovoltaic cell, if through hole is too little, is subject to the effect of the pressure of wind also little to reducing casing, through invention
The test many times of people, selects the effect of the through hole of this diameter best.
Wherein, described through hole is the through hole tilting, and aperture is located at the position of lateral surface of steel plate and the inner side being located at steel plate
Centre distance between the position in face is equal to the thickness of steel plate, has both avoided wind vertically into blowing in case on photovoltaic cell, increases again
Strong wind enters the path of casing, plays effective damping action to strong wind, thus reduce acting on photovoltaic battery panel and driving machine
Wind-force on structure.
Wherein, the bottom of described protection casing 1 has spilled water hole 11, in case accumulation of rainwater.
Wherein, described accumulator protects microprocessor and photovoltaic cell lift drive mechanism to power for photovoltaic cell.
Wherein, described valve remote control system also includes wind-driven generator, the energy warp that described wind-driven generator produces
Cross converters and be stored into accumulator.
Wherein, described valve remote control system also includes signal column 3, photovoltaic column 2 and wind-force column 4, and signal stands
Remote ground wireless communication module is installed at post 3 top；Protection casing 1 is installed on photovoltaic column 2, in protection casing 1, elevating mechanism is installed,
Photovoltaic cell is installed in the top of elevating mechanism；Wind-driven generator is installed on blower fan column；Blower fan column, photovoltaic column 2 and signal
The height of column 3 reduces successively, has both avoided interfering with each other, and ensures that generating effect as well as possible and signal of communication receive effect again
Really.
Wherein, described remote ground monitoring device is embedded valve remote controllers, carries out monitor in real time to valve.
Wherein, described remote ground handheld device is PLC control cabinet, directly electrically operated valve is controlled.
The present embodiment can achieve the remotely control that can achieve distance supply channel valve by using cordless communication network,
Powered for each electrical equipment by photovoltaic cell, protect photovoltaic cell by photovoltaic cell protection device, specifically utilize wind
Sensing the size of wind speed, when wind is big, photovoltaic cell protection microprocessor controls photovoltaic cell lifting to drive to fast sensor
Motivation structure drops to photovoltaic cell inside protection casing 1, and then guarantees the invasion and attack from strong wind for the photovoltaic cell, can protect well
Shield photovoltaic cell.
The control method of distance supply channel valve remote control system it is characterised in that：Comprise the steps：
Step one：It is that accumulator charges using photovoltaic cell, accumulator is described driving means, remote ground manual control equipment and far
Ground wireless communication module for power supply；
Step 2：Sense the size of wind speed using air velocity transducer, when wind is big, photovoltaic cell protects microprocessor control
Photovoltaic cell is declined by photovoltaic cell lift drive mechanism processed；
Step 3：Control instruction is sent to local radio communication module by watch-dog, local radio communication module is passed through wireless
Communication network is communicated with described remote ground wireless communication module, and this control instruction is transmitted to remote ground wireless communication module；
Step 4：Remote ground wireless communication module transmits this control instruction to remote ground monitoring device；
Step 5：Remote ground monitoring device controls driving means to drive valve on or off according to this control instruction.
Wherein, driving means drive the step of the on or off of valve as follows：
Step one：Controller receives remote ground monitoring device, the instruction of remote ground handheld device, output trigger triggering power circuit
Send PWM potential pulse to motor；
Step 2：Motor is according to the on or off of this PWM potential pulse control valve；
Step 3：Encoder obtains the speed of motor and position sample signal feeds back to controller, and controller combines power electricity
The electric current of sampling in the PWM potential pulse of road output, the trigger of adjustment output.
A kind of control method of distance supply channel valve remote control system of the present invention, is to store using photovoltaic cell
Battery charges, and accumulator is described driving means, remote ground manual control equipment and remote ground wireless communication module for power supply；Using wind speed
Sensing the size of wind speed, when wind is big, photovoltaic cell protection microprocessor controls photovoltaic cell lifting to drive to sensor
Photovoltaic cell is declined by mechanism；Control instruction, local radio communication module are sent to local radio communication module by watch-dog
Communicated with described remote ground wireless communication module by cordless communication network, this control instruction is transmitted to remote ground wireless communication mould
Block；Remote ground wireless communication module transmits this control instruction to remote ground monitoring device；Remote ground monitoring device is according to this control instruction
Control driving means to drive valve on or off, and then realize the remotely control of distance supply channel valve and to photovoltaic electric
The protection in pond.
Finally it should be noted that above example is only in order to illustrating technical scheme, rather than the present invention is protected
The restriction of shield scope, although having made to explain to the present invention with reference to preferred embodiment, those of ordinary skill in the art should
Work as understanding, technical scheme can be modified or equivalent, without deviating from the reality of technical solution of the present invention
Matter and scope.
Claims (10)
1. a kind of distance supply channel valve remote control system it is characterised in that：Photovoltaic cell and converters,
The energy that described photovoltaic cell obtains is stored into accumulator through converters；
Described valve remote control system also includes photovoltaic cell protection device, and described photovoltaic cell protection device includes wind speed and passes
Sensor, photovoltaic cell protection microprocessor and photovoltaic cell are built-in and expose switching mechanism, described air velocity transducer and described light
The input electrical connection of volt battery protection microprocessor, described photovoltaic cell protects the outfan of microprocessor and described photovoltaic electric
Pond is built-in and exposes switching mechanism electrical connection, and described photovoltaic cell is built-in and exposes switching mechanism with described photovoltaic cell machinery even
Connect.
2. as claimed in claim 1 a kind of distance supply channel valve remote control system it is characterised in that：Described photovoltaic
Battery is built-in and exposes switching mechanism for photovoltaic cell lift drive mechanism, and described photovoltaic cell lift drive mechanism includes photovoltaic
The protection casing of battery and the elevating mechanism for lifting this protection casing, the top of described protection casing is provided with and supplies photovoltaic cell
The opening coming in and going out, the tank wall of described protection casing is made up of steel plate, has been evenly arranged through hole above it.
3. as claimed in claim 2 a kind of distance supply channel valve remote control system it is characterised in that：Described tank wall
Through hole diameter be equal to described steel plate thickness.
4. as claimed in claim 2 or claim 3 a kind of distance supply channel valve remote control system it is characterised in that：Described
Through hole is the through hole tilting, and aperture is located at the center between the position of lateral surface of steel plate and the position of medial surface being located at steel plate
Distance is equal to the thickness of steel plate.
5. as claimed in claim 2 a kind of distance supply channel valve remote control system it is characterised in that：Described protection
The bottom of casing has spilled water hole.
6. as claimed in claim 2 a kind of distance supply channel valve remote control system it is characterised in that：Described valve
Tele-control system also includes signal column, photovoltaic column and wind-force column, and remote ground wireless communication mould is installed at signal column top
Block；Protection casing is installed on photovoltaic column, elevating mechanism is installed in guard box body, photovoltaic cell is installed in the top of elevating mechanism；
Wind-driven generator is installed on blower fan column；The height of blower fan column, photovoltaic column and signal column reduces successively.
7. as claimed in claim 1 a kind of distance supply channel valve remote control system it is characterised in that：Also include valve
Door driving means, remote ground monitoring device, remote ground manual control equipment, remote ground wireless communication module, local radio communication module,
Accumulator and watch-dog, described watch-dog is electrically connected with local radio communication module, and described local radio communication module is passed through
Cordless communication network is communicated with described remote ground wireless communication module, described remote ground wireless communication module and described remote ground monitoring device
Electrical connection, described remote ground monitoring device, remote ground handheld device all electrically connected with described driving means, described driving means and valve
It is mechanically connected, described accumulator is described driving means, remote ground manual control equipment and remote ground wireless communication module for power supply.
8. as claimed in claim 7 a kind of distance supply channel valve remote control system it is characterised in that：Described driving
Device includes motor, encoder, power circuit and controller, described remote ground monitoring device, remote ground handheld device outfan equal
Electrically connect with the first input end of described controller, the outfan of described controller is electrically connected with the input of described power circuit
Connect, the outfan of described power circuit is electrically connected with the input of described motor, the feedback end of described motor and described encoder
Input electrical connection, the outfan of described encoder electrically connected with the second input of described controller, described power circuit
Outfan electrically connect with the 3rd input of described controller, described motor is mechanically connected with described valve.
9. a kind of distance supply channel valve remote control system described in claim 7 control method it is characterised in that：
Comprise the steps：
Step one：It is that accumulator charges using photovoltaic cell, accumulator is described driving means, remote ground manual control equipment and far
Ground wireless communication module for power supply；
Step 2：Sense the size of wind speed using air velocity transducer, when wind is big, photovoltaic cell protects microprocessor control
Photovoltaic cell is declined by photovoltaic cell lift drive mechanism processed；
Step 3：Control instruction is sent to local radio communication module by watch-dog, local radio communication module is passed through wireless
Communication network is communicated with described remote ground wireless communication module, and this control instruction is transmitted to remote ground wireless communication module；
Step 4：Remote ground wireless communication module transmits this control instruction to remote ground monitoring device；
Step 5：Remote ground monitoring device controls driving means to drive valve on or off according to this control instruction.
10. the control method of a kind of distance supply channel valve remote control system described in claim 8, its feature exists
In：
Driving means drive the step of the on or off of valve as follows：
Step one：Controller receives remote ground monitoring device, the instruction of remote ground handheld device, output trigger triggering power circuit
Send PWM potential pulse to motor；
Step 2：Motor is according to the on or off of this PWM potential pulse control valve；
Step 3：Encoder obtains the speed of motor and position sample signal feeds back to controller, and controller combines power electricity
The electric current of sampling in the PWM potential pulse of road output, the trigger of adjustment output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611072246.5A CN106444551A (en) | 2016-11-29 | 2016-11-29 | Remote control system and control method for valve of long-distance water supply pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611072246.5A CN106444551A (en) | 2016-11-29 | 2016-11-29 | Remote control system and control method for valve of long-distance water supply pipeline |
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| CN106444551A true CN106444551A (en) | 2017-02-22 |
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| CN201611072246.5A Pending CN106444551A (en) | 2016-11-29 | 2016-11-29 | Remote control system and control method for valve of long-distance water supply pipeline |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110562502A (en) * | 2019-08-16 | 2019-12-13 | 上海卫星装备研究所 | Device and method for discharging redundant gas suitable for liquid nitrogen supply pipeline |
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| CN206610121U (en) * | 2016-11-29 | 2017-11-03 | 中水珠江规划勘测设计有限公司 | A kind of long range supply channel valve remote control system |
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| CN110562502A (en) * | 2019-08-16 | 2019-12-13 | 上海卫星装备研究所 | Device and method for discharging redundant gas suitable for liquid nitrogen supply pipeline |
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Application publication date: 20170222 |