CN108803461A - Control system of power plant with dead electricity alarm - Google Patents
Control system of power plant with dead electricity alarm Download PDFInfo
- Publication number
- CN108803461A CN108803461A CN201710286658.7A CN201710286658A CN108803461A CN 108803461 A CN108803461 A CN 108803461A CN 201710286658 A CN201710286658 A CN 201710286658A CN 108803461 A CN108803461 A CN 108803461A
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- Prior art keywords
- power plant
- control system
- alarm
- dead electricity
- power
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- 230000005611 electricity Effects 0.000 title claims abstract description 35
- 239000010410 layer Substances 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 238000003860 storage Methods 0.000 claims description 6
- 239000011229 interlayer Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012271 agricultural production Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009466 transformation 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
- G05B19/048—Monitoring; Safety
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Stand-By Power Supply Arrangements (AREA)
- Inverter Devices (AREA)
Abstract
The invention discloses a kind of control system of power plant with dead electricity alarm, including transformer, rectifier bridge, control system of power plant, ups power, alarm module.Wherein, the primary of transformer is connected to the three-phase high-voltage power supply of power plant, two diagonal input terminals of the secondary output end connection rectifier bridge of transformer.The diagonal output end of two of rectifier bridge connects control system of power plant, and control system of power plant further connects alarm module.Ups power provides power supply to control system of power plant and alarm module.The control system of power plant with dead electricity alarm of the present invention is simple in structure, and the control system of power plant that has been directly brought into, therefore has better specific aim.
Description
Technical field
The present invention relates to power plant safety equipment, more specifically to a kind of control system of power plant with dead electricity alarm.
Background technology
In many important equipments of supply network, control system of power plant is the core control equipment of a whole set of supply network,
The dead electricity of supply network can seriously affect people's lives and bring about great losses to industrial and agricultural production.In order to ensure supply network
Safe operation, power plant generally require to supply network whether dead electricity carry out in real time detect and predict, in particular for power generation
Unit and control system of power plant are critically monitored, once supply network stops powering because of failure, dead electricity warning device is just
Alarm signal can be sent out, so that staff can take corresponding measure in time, supply network is made to restore electricity as early as possible.
There are many shortcomings for existing dead electricity warning device in supply network.
First, most of dead electricity warning device is detected only for generating set, however supply network failure
Not only there was only generating set failure, this is a kind of.In some cases, the failure of control system of power plant also results in power supply
The part dead electricity and voltage assignment problem of network.
Secondly, existing dead electricity warning device is designed not directed to the environment of supply network, dead electricity warning device and
Between generating set, control system of power plant independently of each other and be not present interaction relation, therefore its do not have supply network use ring
The specific aim in border.
Invention content
For the above-mentioned problems in the prior art, the object of the present invention is to provide a kind of power plant with dead electricity alarm
Control system.
To achieve the above object, the present invention adopts the following technical scheme that：
A kind of control system of power plant with dead electricity alarm, including：
Transformer, rectifier bridge, control system of power plant, ups power, alarm module；
The primary of the transformer is connected to the three-phase high-voltage power supply of power plant, and the secondary output end connection of transformer is described whole
Two diagonal input terminals of galvanic electricity bridge；
The diagonal output end of two of the rectifier bridge connects the control system of power plant, and the control system of power plant is into one
Step connects the alarm module；
The ups power provides power supply to the control system of power plant and alarm module.
Further, alarm module includes light emitting diode and buzzer.
Further, the control system of power plant includes operation chip, storage chip；
The operation chip receives the voltage of two output ends of rectifier bridge respectively, will be practical after calculating voltage difference curve
The value in operating mode section is stored in storage chip；
Two output pins of the operation chip are separately connected the light emitting diode and buzzer.
Further, the ups power is set in controlling alarm case, and the shell of the controlling alarm case is hollow pair
Layer structure, the interlayer of the double-layer structure is interior to be equipped with electromagnetic shielding material.
Further, the empirical parameter module of the voltage security range of safety in production is previously provided in control system of power plant,
And estimate operating mode voltage range using what empirical parameter in the parameter module estimated safety in production.
Further, the control system of power plant records the voltage difference of real-time rectifier bridge output end and draws voltage difference
It is worth curve and generates into actual condition voltage range.
Further, control system of power plant by it is described estimate operating mode voltage range and actual condition voltage range make comparisons and
Real time calibration.
Further, the control system of power plant detects the voltage difference and and actual condition of current rectifier bridge output end
Voltage range compares.
In the above-mentioned technical solutions, the control system of power plant with dead electricity alarm of the invention is simple in structure, and directly
Control system of power plant is incorporated, therefore has better specific aim.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention；
Fig. 2 is the structural schematic diagram of alarm module.
Specific implementation mode
The technical solution further illustrated the present invention with reference to the accompanying drawings and examples.
Referring to Fig.1, the present invention discloses a kind of dead electricity warning device of control system of power plant 4, which is linked into electricity
Include mainly transformer 2, rectifier bridge 3, power plant in the supply network that factory's generating set and the lock of control system of power plant 4 are constituted
Control system 4, ups power, alarm module 5 etc..
As shown in Figure 1, the primary of transformer 2 is connected to the three-phase high-voltage power supply 1 of power plant, between primary side and high voltage power supply
It is additionally provided with the load to balanced voltage, two diagonal input terminals of the secondary output end connection rectifier bridge 3 of transformer 2.It is whole
Galvanic electricity bridge 3 is made of four transistors comprising two input terminals and two output ends, and input terminal and output end distinguish position
In diagonal position.The diagonal output end of two of rectifier bridge 3 connects control system of power plant 4, and control system of power plant 4 further connects
Module 5 taking alarm.
The dead electricity warning device of the present invention further includes ups power, to give control system of power plant 4 and alarm module 5 to provide
Power supply.As one embodiment of the present invention, alarm module 5 may include light emitting diode and buzzer etc., can also wrap
Other type of alarms are included, such as directly put through the modes such as secure telephone, alarm hot line, can be used as the numerous implementations of the present invention
The selection of mode.
The intervention of control system of power plant 4 is core of the invention, so that the dead electricity warning device of the present invention is not only
Only for the generating set (i.e. three-phase high-voltage power supply 1) of power plant.Therefore, dead electricity warning device of the invention is not only by circuit
Module forms, and further comprises the transformation to existing control system of power plant 4.
In the present invention, the empirical parameter of the voltage security range of safety in production is previously provided in control system of power plant 4, profit
With the empirical parameter, what control system of power plant 4 can estimate safety in production estimates operating mode voltage range.Secondly, power plant's control system
System 4 also records the voltage difference of 3 output end of rectifier bridge in real time, draws voltage difference curve according to statistical data, and according to electricity
Pressure difference curve generates actual condition voltage range.In control system of power plant 4, operating mode voltage range and reality are estimated by above-mentioned
Operating mode voltage range is made comparisons, to real time calibration actual condition voltage range.
With reference to Fig. 2, control system of power plant 4 of the invention includes operation chip 7, storage chip 6.Operation chip 7 is first
With power port Vcc1 and grounding ports, wherein power port Vcc1 connections is ups power.Two pipes of operation chip 7
Foot IN1, IN2 are used as input terminal, receive the voltage of 3 two output ends of rectifier bridge respectively, operation chip 7 is in internal calculation voltage
After difference curve, the value in actual condition section is stored in storage chip 6.Two output pins of operation chip 7 connect respectively
Connect diode and buzzer.
In process of production, control system of power plant 4 detects the voltage difference of 3 output end of current rectifier bridge, and will be current
Value is compared with actual condition voltage range.If continuous multiple current values have exceeded the range of actual condition voltage range,
Control system of power plant 4 sends out alarm signal to alarm module 5, which can be electric signal, can also be the letter of other forms
Number.Alarm module 5 sends out the alarm of sound-light alarm or other forms according to alarm signal.
Another feature of the present invention be control system of power plant 4 and alarm module 5 are carried out it is independently-powered so that powering
In the case of network entirety dead electricity, control system of power plant 4 and alarm module 5 remain able to independent operating, to be further hair
Go out alarm signal and provides possibility.Therefore, the present invention supplies control system of power plant 4 and alarm module 5 using ups power
Electricity, ups power are set in controlling alarm case, and the shell of controlling alarm case is hollow double-layer structure, the interlayer of double-layer structure
It is interior to be equipped with electromagnetic shielding material.
Those of ordinary skill in the art it should be appreciated that more than embodiment be intended merely to illustrate the present invention,
And be not used as limitation of the invention, as long as in the spirit of the present invention, the change to embodiment described above
Change, modification will all be fallen within the scope of claims of the present invention.
Claims (8)
1. a kind of control system of power plant with dead electricity alarm, which is characterized in that including：
Transformer, rectifier bridge, control system of power plant, ups power, alarm module；
The primary of the transformer is connected to the three-phase high-voltage power supply of power plant, and the secondary output end of transformer connects the rectified current
Two diagonal input terminals of bridge；
The diagonal output end of two of the rectifier bridge connects the control system of power plant, and the control system of power plant further connects
Connect the alarm module；
The ups power provides power supply to the control system of power plant and alarm module.
2. the control system of power plant as described in claim 1 with dead electricity alarm, which is characterized in that alarm module includes shining
Diode and buzzer.
3. the control system of power plant as claimed in claim 2 with dead electricity alarm, which is characterized in that the control system of power plant
Including operation chip, storage chip；
The operation chip receives the voltage of two output ends of rectifier bridge respectively, calculates actual condition after voltage difference curve
The value in section is stored in storage chip；
Two output pins of the operation chip are separately connected the light emitting diode and buzzer.
4. the control system of power plant as described in claim 1 with dead electricity alarm, which is characterized in that the ups power setting
In controlling alarm case, the shell of the controlling alarm case is hollow double-layer structure, is equipped in the interlayer of the double-layer structure
Electromagnetic shielding material.
5. the control system of power plant as described in claim 1 with dead electricity alarm, which is characterized in that pre- in control system of power plant
It is first equipped with the empirical parameter module of the voltage security range of safety in production, and peace is estimated using empirical parameter in the parameter module
What is produced entirely estimates operating mode voltage range.
6. the control system of power plant as claimed in claim 5 with dead electricity alarm, which is characterized in that the control system of power plant
It records the voltage difference of real-time rectifier bridge output end and draws voltage difference curve and generate into actual condition voltage range.
7. the control system of power plant as claimed in claim 6 with dead electricity alarm, which is characterized in that control system of power plant is by institute
It states and estimates operating mode voltage range and actual condition voltage range is made comparisons and real time calibration.
8. the control system of power plant as claimed in claim 7 with dead electricity alarm, which is characterized in that the control system of power plant
Detect the voltage difference of current rectifier bridge output end and compared with actual condition voltage range.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710286658.7A CN108803461B (en) | 2017-04-27 | 2017-04-27 | Power plant control system with power failure alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710286658.7A CN108803461B (en) | 2017-04-27 | 2017-04-27 | Power plant control system with power failure alarm |
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| Publication Number | Publication Date |
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| CN108803461A true CN108803461A (en) | 2018-11-13 |
| CN108803461B CN108803461B (en) | 2024-04-12 |
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| CN108803461B (en) | 2024-04-12 |
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