CN110515335A - A kind of huge hydroelectric power plant check man list managing and control system - Google Patents
A kind of huge hydroelectric power plant check man list managing and control system Download PDFInfo
- Publication number
- CN110515335A CN110515335A CN201910829830.8A CN201910829830A CN110515335A CN 110515335 A CN110515335 A CN 110515335A CN 201910829830 A CN201910829830 A CN 201910829830A CN 110515335 A CN110515335 A CN 110515335A
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- head
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 55
- 238000006243 chemical reaction Methods 0.000 claims abstract description 20
- 230000008054 signal transmission Effects 0.000 claims abstract description 13
- 238000005259 measurement Methods 0.000 claims description 5
- 238000002955 isolation Methods 0.000 claims description 4
- 101000860173 Myxococcus xanthus C-factor Proteins 0.000 claims description 3
- 230000002159 abnormal effect Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 4
- 238000011144 upstream manufacturing Methods 0.000 description 5
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/14—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measurement of pressure
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
- G01F23/284—Electromagnetic waves
- G01F23/292—Light, e.g. infrared or ultraviolet
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
- G01F23/296—Acoustic waves
-
- 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
- G05B19/0423—Input/output
-
- 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
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25257—Microcontroller
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Fluid Mechanics (AREA)
- Thermal Sciences (AREA)
- Acoustics & Sound (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Control Of Eletrric Generators (AREA)
Abstract
The invention belongs to hydroelectric project service technique fields, in particular a kind of huge hydroelectric power plant check man list managing and control system, including single-chip microcontroller, water level signal acquisition conversion module, head signal transmission module and head signal computing module, single-chip microcontroller is connected with water level signal acquisition conversion module signal, single-chip microcontroller is connected with head signal transmission module signal, and single-chip microcontroller is connected with head signal computing module signal；Governor head is issued, adaptively automatically by being manually arranged to be changed into, and is had head acquisition, head control, fault-tolerant three judgements, is guaranteed system degree of regulation and reliability, realize governor head detect automatically, automatic error-correcting, automatic switching function.
Description
Technical field
The invention belongs to hydroelectric project service technique fields, and in particular to a kind of huge hydroelectric power plant check man single tube control system
System.
Background technique
Currently, the biggish hydroelectric power plant of huge and range of stage is generally using artificial setting governor head or simple acquisition
The problems such as head of the water levels of upstream and downstream as governor, there are the jumps of head, failure using water levels of upstream and downstream, and use artificial
If existence value modify not in time, unreasonable change, change by mistake dynamic or bug patch and can all cause that head sets value and actual head value is inclined
Difference is excessive to will affect unit regulation performance, will lead to booting grid-connected failure when serious, or even influence the stable operation of network system.
Summary of the invention
The purpose of the present invention is to provide a kind of huge hydroelectric power plant check man list managing and control systems, to solve above-mentioned background technique
Middle proposition manually set existence value modification not in time, unreasonable change, change by mistake dynamic or bug patch can all cause head set value and
Actual head value deviation is excessive to will affect unit regulation performance, will lead to booting grid-connected failure when serious, or even influence power grid system
The problem of stable operation of system.
The invention provides the following technical scheme: a kind of huge hydroelectric power plant check man list managing and control system, including single-chip microcontroller, water level
Signal acquisition conversion module, head signal transmission module and head signal computing module, single-chip microcontroller and water level signal acquisition conversion
Module by signal connection, single-chip microcontroller are connected with head signal transmission module signal, and single-chip microcontroller and head signal computing module signal connect
It connects.
Preferably, water level signal acquisition conversion module includes laser water-level gauge, ultrasonic water level gauge and throw-in type water-level gauge,
Water level signal acquisition conversion module is connected with laser water-level gauge signal, and water level signal acquires conversion module and ultrasonic water level gauge letter
Number connection, water level signal acquisition conversion module connect with throw-in type water-level gauge signal, to guaranteed water level measurement source, measurement original
It is reason, the redundancy of calculating logic, reliable.
Preferably, head signal transmission module includes LCU for generator set module and governor, LCU for generator set module and head signal
The connection of transmission module signal, LCU for generator set module connects with governor signal, LCU for generator set module issue head through hardwire and every
From module to governor.
Preferably, head signal computing module includes modules A, module B and module C, head signal computing module and modules A
Signal connection, head signal computing module are connected with module B signal, and head signal computing module is connected with module C signal.
Preferably, modules A carries out logical operation by three intermediate variables of setting and realizes automatically updating for head, it is ensured that water
The stability and reliability of head signal.
Preferably, current head value is assigned to artificial head by module B timing, it is ensured that is steadily switched to when head failure artificial
Head mode.
Preferably, module C carries out fault tolerance judgment according to fault condition, head keeps event when automatic head abnormal signal
Data before barrier avoid unit from causing load fluctuation because of head failure.
Compared with prior art, the beneficial effects of the present invention are: governor head by be manually arranged be changed into issue automatically,
Adaptively (is changed according to water levels of upstream and downstream and automatically adjusted)；With head acquisition, head control, fault-tolerant three judgements, guarantee system
System degree of regulation and reliability；Realize governor head detect automatically, automatic error-correcting, automatic switching function.
Detailed description of the invention
Fig. 1 is system diagram of the invention；
In figure: 100, single-chip microcontroller；10, water level signal acquires conversion module；11, laser water-level gauge；12, ultrasonic water level
Meter；13, throw-in type water-level gauge；20, head signal transmission module；21, LCU for generator set module；22, governor；30, head signal is transported
Calculate module.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, the present invention provides a kind of technical solution: a kind of huge hydroelectric power plant check man list managing and control system, this is
System is issued, by being manually arranged to be changed into adaptively (according to water levels of upstream and downstream variation automatic adjustment) automatically with governor head,
Realize governor head detect automatically, automatic error-correcting, automatic switching function comprising single-chip microcontroller 100, water level signal acquisition converts
Module 10, head signal transmission module 20 and head signal computing module 30, single-chip microcontroller 100 and water level signal acquire conversion module
The connection of 10 signals, single-chip microcontroller 100 are connected with 20 signal of head signal transmission module, single-chip microcontroller 100 and head signal computing module
The connection of 30 signals.
In optional one embodiment, it includes laser water-level gauge 11, ultrasonic water that water level signal, which acquires conversion module 10,
Position meter 12 and throw-in type water-level gauge 13, water level signal acquisition conversion module 10 are connected with 11 signal of laser water-level gauge, water level signal
Acquisition conversion module 10 is connected with 12 signal of ultrasonic water level gauge, and water level signal acquires conversion module 10 and throw-in type water-level gauge 13
Signal connection, to guaranteed water level measurement source, measuring principle, the redundancy of calculating logic, reliable.
In optional one embodiment, head signal transmission module 20 includes LCU for generator set module 21 and governor 22, machine
Group LCU module 21 is connected with 20 signal of head signal transmission module, and LCU for generator set module 21 is connected with 22 signal of governor, unit
LCU module 21 issues head through hardwire and isolation module to governor 22.
In the present embodiment: acquiring the progress operation of 8 road gross heads by water-level gauge and obtain 2 calculated water heads progress logic switch
And verification, head is forwarded to LCU for generator set module 21 after calculating, verifying, and is issued to governor after the processing of LCU for generator set module 21
22；LCU for generator set module 21 issues head through hardwire and isolation module to governor 22, realizes the electrical isolation between system,
Improve transmission signal anti-interference ability；Received head signal is fed back to monitoring system by LCU for generator set module 21 and governor 22,
Correctly whether 22 head of auxiliary judgment governor issue, and alert.
In optional one embodiment, head signal computing module 30 includes modules A, module B and module C, head letter
Number computing module 30 is connected with modules A signal, and head signal computing module 30 is connected with module B signal, head signal operation mould
Block 30 is connected with module C signal.
In optional one embodiment, modules A carries out logical operation by three intermediate variables of setting and realizes head
It automatically updates, it is ensured that the stability and reliability of head signal；Current head value is assigned to artificial head by module B timing, it is ensured that
Artificial head mode is steadily switched to when head failure；Module C (refers to disappearance extremely, outranges, jumps when automatic head abnormal signal
Become > 3m) when, fault tolerance judgment is carried out according to fault condition, head keeps the data before failure, unit is avoided to draw because of head failure
Play load fluctuation.
In summary:
(1) governor head adaptation function realizes high water head, large sized unit, big storage capacity, high water-level amplitude power plant tune
Fast device head is issued, by being manually arranged to be changed into adaptively (according to water levels of upstream and downstream variation automatic adjustment) automatically；
(2) there is head acquisition, head control, fault-tolerant three logic judgments, guarantee system degree of regulation and reliability；
(3) realize governor head detect automatically, automatic error-correcting, automatic switching function.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (7)
1. a kind of huge hydroelectric power plant check man list managing and control system, including single-chip microcontroller, water level signal acquire conversion module, head signal
Transmission module and head signal computing module, it is characterised in that: the single-chip microcontroller and water level signal acquisition conversion module letter
Number connection, the single-chip microcontroller connects with the head signal transmission module signal, the single-chip microcontroller and the head signal operation
Module by signal connection.
2. a kind of huge hydroelectric power plant check man list managing and control system according to claim 1, it is characterised in that: the water level letter
Number acquisition conversion module includes laser water-level gauge, ultrasonic water level gauge and throw-in type water-level gauge, the water level signal acquisition conversion
Module is connected with the laser water-level gauge signal, and the water level signal acquisition conversion module and the ultrasonic water level gauge signal connect
It connects, the water level signal acquisition conversion module is connected with the throw-in type water-level gauge signal, to guaranteed water level measurement source, measurement
It is principle, the redundancy of calculating logic, reliable.
3. a kind of huge hydroelectric power plant check man list managing and control system according to claim 1, it is characterised in that: the head letter
Number transmission module includes LCU for generator set module and governor, and the LCU for generator set module and the head signal transmission module signal connect
It connects, the LCU for generator set module is connected with the governor signal, and the LCU for generator set module issues head through hardwire and isolation
Module is to the governor.
4. a kind of huge hydroelectric power plant check man list managing and control system according to claim 1, it is characterised in that: the head letter
Number computing module includes modules A, module B and module C, and the head signal computing module is connected with the modules A signal, described
Head signal computing module is connected with the module B signal, and the head signal computing module is connected with the module C signal.
5. a kind of huge hydroelectric power plant check man list managing and control system according to claim 4, it is characterised in that: the modules A
Pass through three intermediate variables of setting and carry out logical operations and realize automatically updating for heads, it is ensured that the stability of head signal and reliable
Property.
6. a kind of huge hydroelectric power plant check man list managing and control system according to claim 4, it is characterised in that: the module B
Current head value is assigned to artificial head by timing, and artificial head mode is steadily switched to when ensuring head failure.
7. a kind of huge hydroelectric power plant check man list managing and control system according to claim 4, it is characterised in that: the module C
When automatic head abnormal signal, to carry out fault tolerance judgment according to fault condition, head keeps the data before failure, avoids machine
Group causes load fluctuation because of head failure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910829830.8A CN110515335A (en) | 2019-09-04 | 2019-09-04 | A kind of huge hydroelectric power plant check man list managing and control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910829830.8A CN110515335A (en) | 2019-09-04 | 2019-09-04 | A kind of huge hydroelectric power plant check man list managing and control system |
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| Publication Number | Publication Date |
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| CN110515335A true CN110515335A (en) | 2019-11-29 |
Family
ID=68630617
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910829830.8A Pending CN110515335A (en) | 2019-09-04 | 2019-09-04 | A kind of huge hydroelectric power plant check man list managing and control system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111176203A (en) * | 2019-12-31 | 2020-05-19 | 四川海纳恒太科技工程有限公司 | Alarm control system for hydraulic power plant flood-proof workshop |
| CN117433607A (en) * | 2023-12-20 | 2024-01-23 | 华能澜沧江水电股份有限公司 | Water head measurement method and system for hydropower station speed regulator |
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Cited By (2)
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| CN117433607A (en) * | 2023-12-20 | 2024-01-23 | 华能澜沧江水电股份有限公司 | Water head measurement method and system for hydropower station speed regulator |
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