CN206848786U - A kind of alarm and emergency stop device for power station - Google Patents
A kind of alarm and emergency stop device for power station Download PDFInfo
- Publication number
- CN206848786U CN206848786U CN201720764775.5U CN201720764775U CN206848786U CN 206848786 U CN206848786 U CN 206848786U CN 201720764775 U CN201720764775 U CN 201720764775U CN 206848786 U CN206848786 U CN 206848786U
- Authority
- CN
- China
- Prior art keywords
- alarm
- accident
- signal node
- stop device
- power station
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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- 230000003287 optical effect Effects 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 239000005336 safety glass Substances 0.000 claims description 8
- 238000012544 monitoring process Methods 0.000 abstract description 5
- 238000004891 communication Methods 0.000 description 5
- 230000008034 disappearance Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000010977 unit operation Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000005341 toughened glass Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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- Alarm Systems (AREA)
Abstract
The utility model discloses a kind of alarm for power station and emergency stop device, including warning system, emergency shutdown system and power supply, the accident alarming signal node of warning system is connected by hardwire mode with alarm；The accident control loop of emergency shutdown system is connected with control by switch by hardwire mode；Warning system is respectively connected to electric power loop with emergency shutdown system；Hardwire mode is independent optical cable or cable connection.The utility model uses the hardwire mode independently of monitoring LCU systems, and when ensureing that major accident causes to monitor LCU losses of function, the accident that can directly initiate falls door and emergency shutdown.
Description
Technical field
A kind of warning message delivery system is the utility model is related to, more particularly to it is a kind of for being run in large medium-size station
The sound and light alarm and emergency stop device of night shift room.
Background technology
Current big-and-middle-sized power station is unattended, and few man on duty turns into trend.On existing ground, it is urgent to be provided with band for LCU for generator set
Shut down the button of a function and be also equipped with emergency stop function soft key on centralized control center's PC control screen.Typically
There is certain physical distance in operation centralized control center, centralized control center completes unit in the distance by communications optical cable far from power station scene
The operations such as start and stop, while unit operation conditions is monitored, under accident conditions, carry out remote emergency and shut down a grade operation.
But the method for operation is there is also certain drawback, and such as communications optical cable interruption under accident conditions, it is urgent that operations staff can not carry out a distant place
Shut down and fall door operation, and power station site office ONCALL operator is not all to be patrolled any time in progress unit
Depending on unit operation situation can not be understood in time in office, and thing occur in centralized control center's communication telephones to be received or discovery unit
Therefore when need emergency shutdown, from by office's arrival machine LCU carry out emergency shutdown falling door operation, be possible to this period
So that fault spread is to the stage that can not be retrieved.
It is CN203773305U separately to have Authorization Notice No., and 2014.8.13 discloses a kind of power station water logging factory building alarm system
System, including water level signal sensor, programmable logic controller (PLC), host computer server, alert operation station and network of relation
Equipment.Water level signal is uploaded to PLC by water level signal sensor, and PLC carries out logic according to water level signal state and sentenced in a program
It is disconnected, determine whether that water logging factory building is alarmed.Host computer server and alert operation station and PLC are by ethernet communication, for water
Flood the display and issue of factory building warning message.Above-mentioned utility model patent equally exist as under accident conditions communications optical cable interrupt,
Operations staff can not carry out distant place emergency shutdown and fall door operation, may cause fault spread to the stage that can not be retrieved.
Utility model content
The defects of in order to overcome above-mentioned prior art, the utility model provide one kind when major accident occurs for unit,
Telecommunication may be interrupted, and now operations staff can carry out emergency gate in night shift room and falls door and unit emergency shutdown at the scene
Device.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is：
A kind of alarm and emergency stop device for power station, including warning system, emergency shutdown system and power supply, its
It is characterised by：The warning system includes the accident alarming signal node and alarm of power station (unit), accident alarming signal
Node is connected by hardwire mode with alarm；The emergency shutdown system includes accident control loop and controlling switch, thing
Therefore control loop is connected with control by switch by hardwire mode；The warning system is respectively connected to electricity with emergency shutdown system
Resource loop；The hardwire mode is independent optical cable or cable connection.Using the hardwire side independently of monitoring LCU systems
Formula, when ensureing that major accident causes to monitor LCU losses of function, the accident that can directly initiate falls door and emergency shutdown.
Further, in addition to control box, the controlling switch are arranged on inside control box, and alarm is arranged on control box
Outside.
The one side of described control box is made up of safety glass, and the outside of control box, which is provided with, to be used to smash safety glass
Safety hammer.Prevent in routine work operations staff touch controlling switch by mistake and be easy to accident after behavior recollect, on the outside of control box by
Safety glass is protected, and in control box side mounting safety hammer, only in case of emergency, operations staff taps glass with safety hammer
Window so that operating handle could be patted after glazing breaks and is operated.
The accident alarming signal node includes mechanical accident alarm signal node, electrical hazard alarm signal node and water
Flood factory building alarm signal node, the mechanical accident alarm signal node, electrical hazard alarm signal node and water logging factory building report
Alert signal node is in parallel, then is connected with alarm.
The accident control loop includes gate control loop and unit allocation loop.
The controlling switch includes Gate-Controlled Switch and unit allocation switchs, and the Gate-Controlled Switch controls with gate
Loop is connected, and unit allocation switch is connected with unit allocation loop.
The power supply includes 220V AC powers and battery, and 220V AC powers and battery are powered as alarm system simultaneously
System is powered with emergency shutdown system.Power source of alarm by battery in the station-service 220V AC powers and case of access operation case simultaneously
Power supply, it can still be alarmed under service power Disappearance Scenarios with ensureing.
The utility model has advantages below：
1st, ensure that major accident occurs in Hydropower Plant, when centralized control center's communicating interrupt can not carry out remote operation, power station
Live operator does not use progress accident by LCU for generator set cabinet and falls door and emergency shutdown operation, saves the operating time, subtracts
Minor accident influences, and ensure that operations staff's safety.
2nd, scene operations staff on duty must can be known the very first time after unit generation accident by sound and light alarm signal
Condition, and can judge it is any platform unit rapidly.
3rd, using the hardwire mode independently of monitoring LCU systems, ensure that major accident causes to monitor LCU losses of function
When, the accident that can directly initiate falls door and emergency shutdown.
4th, anti-misoperation is set, and guarantee occurs without in routine duties touches operating handle and cause the situation of maloperation by mistake.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is warning system electric control theory figure of the present utility model；
Fig. 3 is engine off control electric control theory figure.
Marked in figure：1st, control box, 2, alarm, 3, controlling switch, 4, safety hammer, 5, safety glass, 6, optical cable or electricity
Cable.
Embodiment
The utility model is described further below in conjunction with the accompanying drawings：
Embodiment 1
As shown in Figure 1, Figure 2 and Figure 3, a kind of alarm and emergency stop device for power station, including it is warning system, tight
Anxious shutdown system and power supply, warning system include the accident alarming signal node and alarm 2 of power station (unit), alarm 2
For audible-visual annunciator, accident alarming signal node is connected by hardwire mode with alarm 2；Emergency shutdown system includes accident
Control loop and controlling switch 3, accident control loop are connected with control by switch 3 by hardwire mode；Warning system with it is tight
Anxious shutdown system is respectively connected to electric power loop；Hardwire mode is that independent optical cable or cable 6 connects.
Accident alarming signal node（As shown in Figure 2）, including mechanical accident alarm signal node, electrical hazard alarm signal
Node and water logging factory building alarm signal node, mechanical accident alarm signal node, electrical hazard alarm signal node and water logging factory
Room alarm signal node is in parallel, then is connected with alarm.
Accident control loop（As shown in Figure 3）Including gate control loop and unit allocation loop.Controlling switch 3 includes lock
Gate control switchs SB1 and unit allocation switchs SB2, and Gate-Controlled Switch SB1 is connected with gate control loop, unit allocation switch
SB2 is connected with unit allocation loop.Using the hardwire mode independently of monitoring LCU systems, ensure that major accident causes to monitor
During LCU losses of function, the accident that can directly initiate falls door and emergency shutdown.
Further, in addition to control box 1, the controlling switch 3 are arranged on inside control box 1, will not under non-emergent accident
Controlling switch 3 is triggered, alarm 2 is arranged on the outside of control box 1, is generally located in the top of control box 1（As shown in Figure 1）.
Further preferably, the one side of control box 1 is made up of safety glass 5, and the outside of control box 1, which is provided with, to be used to smash steel
Change the safety hammer 4 of glass.Prevent in routine work operations staff touch controlling switch 3 by mistake and be easy to accident after behavior recollect, grasping
Make to be protected by safety glass on the outside of case, in control box side mounting safety hammer, only in case of emergency, operations staff's safety hammer
4 tap toughened glass window so that operating handle could be patted after glazing breaks and is operated.Further prevent nonemergency
Under maloperation.
Power supply of the present utility model includes 220 V AC powers and battery, and 220 V AC powers and battery are simultaneously
Power and powered for warning system and emergency shutdown system.Power source of alarm by access operation case station-service 220V AC powers and case
Interior battery is powered simultaneously, can still be alarmed under service power Disappearance Scenarios with ensureing.
The utility model is used to run night shift room in large medium-size station station, increases the emergency shutdown with anti-misoperation function
Control box, the interior acoustic-optic alarm for having reaction unit abnormal of control box.When major accident occurs for unit, telecommunication can
It can interrupt, centralized control center can not be made by emergency shutdown under monitoring system, and operations staff scene be able to not may also be arrived by machine now
LCU emergency stop buttons or speed regulator emergency shutdown magnetic valve, at this moment operations staff can pass through this at the scene now in night shift room
Control box carries out emergency gate and falls door and unit emergency shutdown.
Claims (7)
1. a kind of alarm and emergency stop device for power station, including warning system, emergency shutdown system and power supply, it is special
Sign is：The warning system includes the accident alarming signal node and alarm of Hydropower Unit, and accident alarming signal node is led to
The mode of connection really up to the mark is connected with alarm；The emergency shutdown system includes accident control loop and controlling switch, accident control
Loop is connected with control by switch by hardwire mode；The warning system is respectively connected to power supply with emergency shutdown system and returned
Road；The hardwire mode is independent optical cable or cable connection.
2. the alarm and emergency stop device according to claim 1 for power station, it is characterised in that：Also include operation
Case, the controlling switch are arranged on inside control box, and alarm is arranged on the outside of control box.
3. the alarm and emergency stop device according to claim 2 for power station, it is characterised in that：Described operation
The one side of case is made up of safety glass, and the outside of control box is provided with the safety hammer for being used for smashing safety glass.
4. the alarm and emergency stop device according to claim 1 for power station, it is characterised in that：The accident report
Alert signal node includes mechanical accident alarm signal node, electrical hazard alarm signal node and water logging factory building alarm signal section
Point, the mechanical accident alarm signal node, electrical hazard alarm signal node are in parallel with water logging factory building alarm signal node, then
Connected with alarm.
5. the alarm and emergency stop device according to claim 1 for power station, it is characterised in that：The accident control
Loop processed includes gate control loop and unit allocation loop.
6. the alarm and emergency stop device according to claim 5 for power station, it is characterised in that：The control is opened
Pass includes Gate-Controlled Switch and unit allocation switch, and the Gate-Controlled Switch is connected with gate control loop, unit allocation
Switch is connected with unit allocation loop.
7. the alarm and emergency stop device according to claim 1 for power station, it is characterised in that：The power supply bag
220 V AC powers and battery are included, it is warning system and emergency shutdown system that 220V AC powers and battery are powered simultaneously
Power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720764775.5U CN206848786U (en) | 2017-06-28 | 2017-06-28 | A kind of alarm and emergency stop device for power station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720764775.5U CN206848786U (en) | 2017-06-28 | 2017-06-28 | A kind of alarm and emergency stop device for power station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206848786U true CN206848786U (en) | 2018-01-05 |
Family
ID=60802946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720764775.5U Withdrawn - After Issue CN206848786U (en) | 2017-06-28 | 2017-06-28 | A kind of alarm and emergency stop device for power station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206848786U (en) |
-
2017
- 2017-06-28 CN CN201720764775.5U patent/CN206848786U/en not_active Withdrawn - After Issue
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180105 Effective date of abandoning: 20231130 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20180105 Effective date of abandoning: 20231130 |