CN105048629B - The hard pressing plate anti-misoperation warning system of relay protection - Google Patents
The hard pressing plate anti-misoperation warning system of relay protection Download PDFInfo
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- CN105048629B CN105048629B CN201510350920.0A CN201510350920A CN105048629B CN 105048629 B CN105048629 B CN 105048629B CN 201510350920 A CN201510350920 A CN 201510350920A CN 105048629 B CN105048629 B CN 105048629B
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- 238000012546 transfer Methods 0.000 claims abstract description 20
- 238000005070 sampling Methods 0.000 claims abstract description 14
- 238000011017 operating method Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 6
- 230000001681 protective effect Effects 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000012552 review Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
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- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
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- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/124—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wired telecommunication networks or data transmission busses
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- Alarm Systems (AREA)
- Emergency Alarm Devices (AREA)
Abstract
The invention discloses a kind of hard pressing plate anti-misoperation systems of relay protection, including hard pressing plate state setting module, hard pressing plate state sampling module, hard pressing plate epidemic situation comparison module and anti-misoperation alarm module, the hard pressing plate state setting module sets the state of each hard pressing plate according to scheduling transfer order, the hard pressing plate state sampling module obtains the working condition of hard pressing plate by acquiring voltage at each hard pressing plate contact, the working condition of each hard pressing plate is compared by the hard pressing plate epidemic situation comparison module with the state of setting, the anti-misoperation alarm module corresponds to the maloperation sent out according to the comparison result of hard pressing plate epidemic situation comparison module and alerts.Solves the maloperation phenomenon that hard clamp operation process often occurs through the invention.
Description
Technical field
The present invention relates to Protection Technology more particularly to the hard pressing plate anti-misoperation technologies of relay protection.
Background technology
The hard pressing plate of relay protection is the important component part of protective relaying device, and the state of division is directly related to protection
Automation equipment can be acted correctly.Currently, in electric substation protective relaying device hard clamp operation, by operations staff according to
Transfer order is dispatched to execute.But since there are many hard pressing plate quantity of some protective devices, such as hard pressing plate number on main transformer protection device screen
Amount may up to 20 polyliths, therefore usually there is the problem of hard misoperation.However, being directed to most of this problem China at present
The method that electric company all takes manual review, i.e. operations staff are after the completion of to hard clamp operation, according in scheduling transfer order
It is required that checking the position of hard pressing plate one by one.The method pole relies on operations staff itself, extremely unreliable.
Invention content
The technical problems to be solved by the invention are just to provide a kind of hard pressing plate anti-misoperation warning system of relay protection, keep away
Exempt from hard clamp operation process and the phenomenon that maloperation, and reliability higher occurs.
In order to solve the above technical problems, the present invention adopts the following technical scheme that：The hard pressing plate anti-misoperation system of relay protection,
It is alerted including hard pressing plate state setting module, hard pressing plate state sampling module, hard pressing plate epidemic situation comparison module and anti-misoperation
Module, the hard pressing plate state setting module set the state of each hard pressing plate according to scheduling transfer order, and the hard pressing plate state is adopted
Egf block obtains the working condition of hard pressing plate, the hard pressing plate epidemic situation comparison module by acquiring voltage at each hard pressing plate contact
The working condition of each hard pressing plate is compared with the state of setting, the anti-misoperation alarm module is according to hard pressing plate state
The comparison result of comparison module corresponds to the maloperation alarm sent out.
Preferably, the anti-misoperation alarm module includes alarm device and five anti-alarm keys, and the alarm device is set
There are alarm device and data port, the five anti-alarm key is stored with the state of each hard pressing plate of scheduling transfer order setting, described
Five anti-alarm keys are inserted into data port, and the five anti-alarm key will dispatch each hard pressing plate of transfer order setting by data port
State transfer is to alarm device.
Preferably, the alarm device connection working power and alarm control power supply, the working power provide alarm dress
Required power supply when normal operation is set, the alarm control power supply is alarm device required power supply in alarm.
Preferably, the data port is equipped with mechanical normal closed contact, when five anti-alarm keys are inserted into data port, mechanical normal closed
Contact disconnects, and alarm control power supply disconnects, after five anti-alarm keys are extracted, mechanical normal closed contact closure, and alarm control power supply
It automatically engages.
Preferably, the alarm device includes sound equipment and warning light.
The present invention be equipped with hard pressing plate state setting module, hard pressing plate state sampling module, hard pressing plate epidemic situation comparison module with
And anti-misoperation alarm module, hard pressing plate state setting module set the state of each hard pressing plate, hard pressing plate according to scheduling transfer order
State sampling module obtains the working condition of hard pressing plate by acquiring voltage at each hard pressing plate contact, passes through hard pressing plate state ratio
The working condition of each hard pressing plate is compared with the state of setting compared with module, last anti-misoperation alarm module is according to hard pressure
The comparison result of board status comparison module corresponds to the maloperation alarm sent out, and being reached using Digital Electronic Technique prevents hard pressing plate
The purpose of maloperation.It solves through the invention：
(1) the phenomenon that hard clamp operation process is often misused.
(2) Migrant women accidentally touches, and changes hard pressing plate state.
That brings has the beneficial effect that：
(1) Saving in time costs：For having the protective device screen of 21 pieces of hard pressing plates.Pass through multiple on-the-spot test, operations staff
The time of the hard pressing plate state of manual review is 63 seconds, and is only needed 1 second using the present invention.
(2) social benefit：The present invention can entirely prevent the maloperation of the hard pressing plate of protective relaying device, avoid relay guarantor
The generation of protection unit malfunction.By taking electric substation's main transformer protection device of a 220kV as an example, if itself because hard misoperation and
Lead to transformer tripping, the large-area power-cuts in a city at least 1/5, social benefit can be caused inestimable.
Description of the drawings
The invention will be further described with reference to the accompanying drawings and detailed description：
Fig. 1 is the input interface of hard pressing plate setting in computer；
Fig. 2 is the hard pressing plate anti-misoperation system structure principle chart of relay protection；
Fig. 3 is that alarm device is located at schematic diagram on relay-set；
Fig. 4 is alarm device schematic rear view；
Fig. 5 is hard pressing plate state sampling, epidemic situation comparison, alarm partial circuit figure；
Fig. 6 is hard pressing plate epidemic situation comparison module status amount decision logic figure；
Fig. 7 is schematic diagram of the hard pressing plate under point position state；
Fig. 8 is schematic diagram of the hard pressing plate in the case where closing position state.
Specific implementation mode
As shown in Figures 1 to 8, the hard pressing plate anti-misoperation system of relay protection, including hard pressing plate state setting module, hard pressure
Board status sampling module, hard pressing plate epidemic situation comparison module and anti-misoperation alarm module, the hard pressing plate state setting module
The state of each hard pressing plate is set according to scheduling transfer order, the hard pressing plate state sampling module is by acquiring each hard pressing plate contact
Place's voltage obtains the working condition of hard pressing plate, and the hard pressing plate epidemic situation comparison module is by the working condition of each hard pressing plate and setting
State be compared, the anti-misoperation alarm module is corresponded to according to the comparison result of hard pressing plate epidemic situation comparison module and is sent out
Maloperation alerts.
As shown in Figure 1, operations staff selects corresponding protective device screen, at its interface according to scheduling transfer order in computer
The state of the middle hard pressing plate of setting.
As shown in Figures 2 to 4, anti-misoperation alarm module includes alarm device 1 and five anti-alarm keys 2, anti-misoperation
Alarm module is connect by data line 3 with computer 4, and operations staff gives the state transfer of each hard pressing plate to five anti-announcements by computer 4
Alert key 2, the alarm device 1 are equipped with alarm device and data port 15, and data port 15 can show on alarm device 1
The structure of USB interface, five anti-alarm keys 2 are equipped with data transmission plug 21, and five anti-alarm keys pass through data transmission plug 21
Coordinate with data port 15, the state transfer of each hard pressing plate of transfer order setting will be dispatched to alarm device 1.
As shown in Figures 3 and 4, the alarm device includes sound equipment 13 and warning light 14, and there are two warning light is set, one is red
Lamp, another is green light, and alarm device 1 can also provide the instruction that hard pressing plate closes position 11, hard pressing plate point position 12.
As shown in figure 4,1 back side of alarm device is provided with hard pressing plate quantity of state Input terminal block 19, alarm device connects work
Make power supply 16 and alarm control power supply 17, data port 15 is equipped with mechanical normal closed contact 18.Working power is anti-misoperation alarm dress
Set required power supply when normal operation；Alarm control power supply is the anti-misoperation alarm device power supply required in alarm.When five anti-
It alerts key and is inserted into data port, when filling quantity of state to anti-misoperation alarm device, be located at the machinery of anti-misoperation apparatus data port
Normally-closed contact disconnects, and alarm control power supply is disconnected.After five anti-alarm keys are extracted, mechanical normal closed contact is closed, alarm control
Power supply processed automatically engage (processor in anti-misoperation alarm device, alarm module, sound equipment, red light, green light power supply be that alarm is controlled
Power supply processed is provided).This design can be to avoid when five anti-alarm keys insertion data ports carry out data transmission, due to hard pressing plate
The setting of virtual condition and computer state it is inconsistent caused by accidentally alert.
As shown in Figure 7 and Figure 8, hard pressing plate includes the contact 101 being vertically arranged, and the contact bottom is equipped with hard pressing plate contact
103, the hard pressing plate contact includes incoming call side contact and samples side contact, corresponding below incoming call side contact and sampling side contact
Equipped with incoming call side 104 and sampling side 105, being additionally provided with control contact makes downwards the hard pressing plate guide card 106 of hard pressing plate contact conducting, institute
It states contact and is connected with resetting spring 102, when hard pressing plate is when dividing position, contact is touched by the upward active force of resetting spring, hard pressing plate
Point is off.
Hard pressing plate state sampling module acquires voltage at each hard pressing plate contact, and when hard pressing plate is when dividing position, contact is by multiple
The upward active force of position spring, at this time hard pressing plate contact be off, sample side no-voltage；When hard pressing plate guide card closes
When, contact is contacted with hard pressing plate guide card, and by downward active force, hard pressing plate contact is switched at this time, and there is voltage in sampling side.Profit
When dividing position with hard pressing plate, contact disconnects；When hard pressing plate closes position, the characteristics of contact is connected, voltage conduct is taken putting 1,2......n
The quantity of state of hard pressing plate.As shown in figure 5, voltage status amount is becoming digital quantity after converter, to by processor with
The state of operations staff's input is compared.When any one group of state difference in A and a, B and b etc., (capitalization expression is set
Determine state, the mode of operation of lowercase letter operations staff input) startup of anti-misoperation alarm module, it is carried to send out alarm
The hard misoperation of awake operations staff.
As shown in fig. 6, when A and a are all 1 or are all 0, the output of same or door is 1, i.e. A ⊙ a=1.If A is with a differences,
Then A ⊙ a=0.Only when all same or door output (Fa, Fb ...) is all 1, F is just 1.Therefore, as long as operations staff has
As soon as when piece hard clamp operation mistake, F 0, alarm module alarm (aural warning, when red)
After the invention, the operating procedure of the hard pressing plate of relay protection：
The first step：The state of each hard pressing plate is set according to scheduling transfer order in computer, and transmits it to five anti-alarms
Key.
Second step：Five anti-alarm keys are inserted into anti-misoperation alarm device, the hard pressing plate state transfer that computer is set
Give anti-misoperation alarm device (alarm control power supply disconnects, at this time without the comparison of quantity of state).
Third walks：Each hard pressing plate is operated by operations staff.
4th step：Five anti-alarm keys (alarm control power up, proceed by the comparison of quantity of state) are extracted, if someone
Five anti-alarm keys just do not carry out the operation of hard pressing plate, when it carries out the operation of first piece of hard pressing plate, anti-misoperation alarm dress
Setting change can detect that the virtual condition of hard pressing plate is different from setting state and sends out alarm signal.
Therefore, (the hard pressing plate anti-misoperation warning system of relay protection) of the invention can well solve relay protection and press firmly
The maloperation problem of plate.
Claims (2)
1. the hard pressing plate anti-misoperation warning system of relay protection, it is characterised in that：Including hard pressing plate state setting module, hard pressing plate
State sampling module, hard pressing plate epidemic situation comparison module and anti-misoperation alarm module, the hard pressing plate state setting module root
The state of each hard pressing plate is set according to scheduling transfer order, the hard pressing plate state sampling module is by acquiring at each hard pressing plate contact
Voltage obtains the working condition of hard pressing plate, and the hard pressing plate epidemic situation comparison module is by the working condition of each hard pressing plate and setting
State is compared, and the anti-misoperation alarm module corresponds to the mistake sent out according to the comparison result of hard pressing plate epidemic situation comparison module
Operation alarm, the anti-misoperation alarm module include alarm device and five anti-alarm keys, and the alarm device is equipped with alarm
Device and data port, the five anti-alarm key are stored with the state of each hard pressing plate of scheduling transfer order setting, the five anti-announcement
Alert key is inserted into data port, and the five anti-alarm key is passed the state for each hard pressing plate for dispatching transfer order setting by data port
It is defeated by alarm device, the alarm device connection working power and alarm control power supply, the working power provide alarm device
Required power supply when normal operation, the alarm control power supply are that alarm device required power supply, data port in alarm are equipped with machine
Tool normally-closed contact, when five anti-alarm keys are inserted into data port, mechanical normal closed contact disconnects, and alarm control power supply disconnects, when five
After anti-alarm key is extracted, mechanical normal closed contact closure, alarm control power supply automatically engages；
The operating procedure of the hard pressing plate anti-misoperation warning system of relay protection：
The first step：The state of each hard pressing plate is set according to scheduling transfer order in computer, and transmits it to five anti-alarm keys；
Second step：Five anti-alarm keys are inserted into anti-misoperation alarm device, by the hard pressing plate state transfer of computer setting to anti-
Maloperation alarm device, the power supply of alarm control at this time disconnect, the comparison without quantity of state；
Third walks：Each hard pressing plate is operated by operations staff；
4th step：Five anti-alarm keys are extracted, alarm control power up proceeds by the comparison of quantity of state,
If someone's not five anti-operation for alerting keys and just carrying out hard pressing plate, anti-error when it carries out the operation of first piece of hard pressing plate
Operation alarm device change can detect that the virtual condition of hard pressing plate is different from setting state and sends out alarm signal.
2. the hard pressing plate anti-misoperation warning system of relay protection according to claim 1, it is characterised in that：The alarm device
Including warning tone and warning light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510350920.0A CN105048629B (en) | 2015-06-23 | 2015-06-23 | The hard pressing plate anti-misoperation warning system of relay protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510350920.0A CN105048629B (en) | 2015-06-23 | 2015-06-23 | The hard pressing plate anti-misoperation warning system of relay protection |
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| Publication Number | Publication Date |
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| CN105048629A CN105048629A (en) | 2015-11-11 |
| CN105048629B true CN105048629B (en) | 2018-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510350920.0A Active CN105048629B (en) | 2015-06-23 | 2015-06-23 | The hard pressing plate anti-misoperation warning system of relay protection |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105391171B (en) * | 2015-11-27 | 2017-11-21 | 江苏省电力公司电力科学研究院 | A kind of transformer station outputs pressure plate status monitoring system |
| CN108020738B (en) * | 2017-11-27 | 2021-08-10 | 国网安徽省电力公司黄山供电公司 | Auxiliary control device for hard pressing plate calibration of transformer substation |
| CN114301180A (en) * | 2021-12-31 | 2022-04-08 | 南方电网大数据服务有限公司 | Power distribution room equipment switch component state monitoring method and device based on deep learning |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2050630U (en) * | 1988-12-11 | 1990-01-03 | 邹文和 | Household electronic alarm for purpose of anti-theft |
| CN104331036A (en) * | 2014-10-09 | 2015-02-04 | 国网浙江余姚市供电公司 | Pressing plate on/off monitoring system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101976883B (en) * | 2010-10-14 | 2012-11-14 | 北京四方继保自动化股份有限公司 | Self-adapting integrative five-prevention system based on Ethernet communication |
-
2015
- 2015-06-23 CN CN201510350920.0A patent/CN105048629B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2050630U (en) * | 1988-12-11 | 1990-01-03 | 邹文和 | Household electronic alarm for purpose of anti-theft |
| CN104331036A (en) * | 2014-10-09 | 2015-02-04 | 国网浙江余姚市供电公司 | Pressing plate on/off monitoring system |
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| CN105048629A (en) | 2015-11-11 |
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