CN113325789B - Transformer substation fire-fighting remote centralized monitoring system and method - Google Patents
Transformer substation fire-fighting remote centralized monitoring system and method Download PDFInfo
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- CN113325789B CN113325789B CN202110447196.9A CN202110447196A CN113325789B CN 113325789 B CN113325789 B CN 113325789B CN 202110447196 A CN202110447196 A CN 202110447196A CN 113325789 B CN113325789 B CN 113325789B
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- 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
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Abstract
The invention discloses a transformer substation fire-fighting remote centralized monitoring system which comprises a centralized fire alarm controller, wherein the centralized fire alarm controller is respectively connected with a multi-line control panel and a bus control panel through an internal bus, the multi-line control panel is connected with an IO expansion device, the IO expansion device is connected with a monitoring end transmission control unit, the bus control panel is connected with a monitoring end transmission control unit, the monitoring end transmission control unit is connected with a station end fire-fighting information transmission control unit through a scheduling data network, the station end fire-fighting information transmission control unit is connected with a station end fire alarm controller, and the station end fire alarm controller is connected with fire-fighting equipment; the invention also discloses a remote centralized monitoring method for fire fighting of the transformer substation. The invention judges the multiple locking conditions through the logic locking function, and avoids the potential safety hazard caused by misjudgment and missed judgment.
Description
Technical Field
The invention relates to the field of power grid fire safety monitoring, in particular to a transformer substation fire remote centralized monitoring system and a transformer substation fire remote centralized monitoring method.
Background
Along with the improvement of the automation level of the transformer substation, the intelligent, intensive and lean degree is higher and higher, the transformer substation gradually develops to an unattended mode, and a remote control system is used for centralized monitoring to replace field attendance. The current transformer substation fire control centralized monitoring system mainly comprises the following two types: one is based on a transformer substation monitoring automation technology, centralized monitoring is realized through automation system software, but standard support is lacked for control of a fixed fire extinguishing system of a transformer substation, so that the compliance of the monitoring system has certain problems; the other method is to design a centralized fire alarm controller and related hardware equipment based on the technical standard of the existing fire alarm controller to realize centralized monitoring, but has limitation in expansibility.
Disclosure of Invention
The purpose of the invention is as follows: aiming at the problems, the invention aims to provide a transformer substation fire-fighting remote centralized monitoring system which ensures the safety of transformer substation equipment through remote control in emergency and when the transformer substation equipment cannot be operated on site; the invention further aims to provide a transformer substation fire-fighting remote centralized monitoring method.
The technical scheme is as follows: the invention discloses a transformer substation fire-fighting remote centralized monitoring system which comprises a centralized fire alarm controller, wherein the centralized fire alarm controller is respectively connected with a multi-line control panel and a bus control panel through an internal bus, the multi-line control panel is connected with an IO expansion device, the IO expansion device is connected with a monitoring end transmission control unit, the bus control panel is connected with a monitoring end transmission control unit, the monitoring end transmission control unit is connected with a station end fire-fighting information transmission control unit through a scheduling data network, the station end fire-fighting information transmission control unit is connected with a station end fire alarm controller, and the station end fire alarm controller is connected with fire-fighting equipment.
Furthermore, the bus control panel comprises control buttons and unlocking buttons, each control button is provided with three indicator lights for starting, failure and feedback, the unlocking button is a safety precaution measure for preventing the control button from being touched by mistake, and when the bus control panel is manually controlled, the bus control panel can work only by clicking the control button again after clicking the unlocking button for multiple times; if the control button is directly clicked, the control button is invalid.
Furthermore, the multi-line control panel comprises control buttons and unlocking buttons, each control button is provided with three indicator lights for starting, failure and feedback, and when the multi-line control panel is manually controlled, the operation can be carried out only by clicking the control button again after clicking the unlocking button for multiple times; if the control button is directly clicked, the control button is invalid.
Furthermore, the IO expansion device is connected with the control circuit, the IO expansion device is used as a signal conversion device, the IO expansion device is connected into the special control circuit in a one-to-one mode, and each special control circuit is provided with three indicator lights for starting, failure and feedback.
Furthermore, the IO expansion device is provided with a plurality of IO processing interfaces, and a plurality of IO expansion devices are configured according to the number of control buttons of the multi-line control panel.
Furthermore, the monitoring end transmission control unit has the functions of information communication and protocol conversion, receives fire alarm and operation information of the substation end, and then transmits the information to the centralized fire alarm controller; and receiving starting control instructions sent by the bus control panel and the multi-line control panel, and performing corresponding processing after locking logic judgment.
Furthermore, along with the scale of the fire-fighting information of the access transformer substation, a distributed network information processing structure is adopted, and a plurality of monitoring end transmission control units are configured.
Furthermore, the centralized fire alarm controller is connected with the image display device and the acousto-optic alarm lamp, so that the fire alarm information and the operation condition of the fire fighting equipment of the transformer substation can be monitored in real time more visually and clearly.
The invention discloses a remote centralized monitoring method for fire fighting of a transformer substation, which comprises the following steps:
s1: the centralized fire alarm controller receives fire alarm information and operation information of the administration substation;
s2: when the fire alarm accident is confirmed, issuing a remote emergency starting instruction through a bus control panel or a multi-line control panel, or issuing a starting instruction through manual control;
s3: clicking a control button of a bus control panel or a multi-line control panel, issuing a starting control instruction of fire-fighting equipment corresponding to an accident, and carrying out locking logic judgment by a monitoring end transmission control unit:
if the logic judgment is correct, the monitoring end transmission control unit transmits a starting control instruction to the station end fire-fighting transmission control unit to control the fire-fighting equipment to start so as to carry out fire-fighting operation;
if the logic judgment is wrong, the monitoring end transmission control unit feeds back command information including rejection reasons to the bus control panel or the multi-line control panel, a control button of the control panel is started, a feedback indicator lamp is lightened, the monitoring end transmission control unit returns a rejection instruction to the centralized fire alarm controller, and the control panel stops sending the starting instruction.
Further, step S1 includes: the fire alarm and operation information of the administration transformer substation are transmitted to the fire-fighting equipment through the fire detector, the fire-fighting equipment is transmitted to the station end fire alarm controller, and the station end fire alarm controller is transmitted to the station end fire information transmission control unit and then transmitted to the monitoring end transmission control unit, and finally transmitted to the centralized fire alarm controller for data processing and display.
Further, in step S1, the running message is displayed by the image display device, and the alarm message is displayed by the audible and visual alarm lamp.
Further, in step S3, if the following conditions are simultaneously satisfied, the logic judgment is correct; otherwise, the logic judges the error; the conditions comprise that the fire alarm signal is continuously generated within a set time, and the three-side switch of the transformer in the area where the fire alarm signal is positioned is powered off.
Further, the rejection reasons of the step S3 include that the fire alarm signal is not satisfied and the power-off signal of the master device is not satisfied, and the rejection reasons are judged according to the indicator lights of the control buttons of the bus control panel or the multi-line control panel.
Has the beneficial effects that: compared with the prior art, the invention has the remarkable advantages that: according to the invention, multiple locking conditions are judged through a logic locking function, so that potential safety hazards caused by misjudgment and missed judgment are avoided; safe and reliable operation of end station fire fighting equipment is realized through locking condition configuration, and damage to main equipment of the transformer substation caused by misoperation is effectively avoided; the safe and reliable transformer substation fire-fighting remote control system and method are provided, and the fire-fighting safety capability of a power grid is improved.
Drawings
FIG. 1 is a schematic diagram of a monitoring system according to the present invention;
FIG. 2 is a block diagram of a monitoring system connection according to the present invention;
FIG. 3 is a flow chart of the latching logic determination.
Detailed Description
The transformer substation fire-fighting remote centralized monitoring system comprises a centralized fire alarm controller 1, wherein the centralized fire alarm controller 1 is respectively connected with a multi-line control panel 2 and a bus control panel 3 through an internal bus, the multi-line control panel 2 is connected with an IO expansion device 6 through a special control circuit, the IO expansion device 6 is connected with a monitoring end transmission control unit 5 through an i2 interface, the bus control panel 3 is connected with the monitoring end transmission control unit 5 through an i1 interface, the monitoring end transmission control unit 5 is connected with a station end fire-fighting information transmission control unit through a scheduling data network, the station end fire-fighting information transmission control unit is connected with a station end fire alarm controller, the station end fire alarm controller is connected with fire-fighting equipment, and the structural schematic diagram of the monitoring system is shown in figures 1-2.
The bus control panel 3 comprises a plurality of control buttons and 1 unlocking button, each control button is provided with three indicator lights for starting, failure and feedback, and when the manual control is carried out, the control buttons can be clicked again after 4 times of clicking on the unlocking buttons, so that the work can be carried out; if the control button is directly clicked, the control button is invalid. The three-way indicator switch states are shown in table 1 below.
The multi-line control panel 2 comprises a plurality of control buttons and 1 unlocking button, each control button is provided with three indicator lights for starting, fault and feedback, and when the manual control is carried out, the control buttons can be clicked again after 4 times of clicking on the unlocking buttons, so that the work can be carried out; if the control button is directly clicked, the control button is invalid, wherein the three-way indicator light switch states are shown in the following table 1.
TABLE 1 control buttons three-way indicator light on-off status
The IO expansion device 6 is connected to a 24V dedicated control circuit one by one, each dedicated control circuit is provided with three indicator lamps for starting, fault and feedback, and is connected with the monitoring end transmission control unit 5 through an i2 interface, receives a control instruction issued by the multi-line control panel 2 and forwards the control instruction to the monitoring end transmission control unit 5.
The centralized fire alarm controller 1 is connected with an image display device 4 and an acousto-optic alarm lamp.
The invention discloses a remote centralized monitoring method for fire fighting of a transformer substation, which comprises the following steps:
s1: the centralized fire alarm controller 1 receives fire alarm information and operation information of the administration transformer substation, and the specific process is as follows: the transformer substation fire alarm and operation information is administered in jurisdiction and transmitted to the fire equipment through the fire detector, the fire equipment is transmitted to the station end fire alarm controller, the station end fire alarm controller is transmitted to the station end fire information transmission control unit and then transmitted to the monitoring end transmission control unit 5, and finally transmitted to the centralized fire alarm controller 1 for data processing, the operation information is displayed through the image display device 4, and the alarm information is displayed through the acousto-optic alarm lamp.
S2: when a fire alarm accident is confirmed, a remote emergency starting instruction is issued through the bus control panel 3 or the multi-line control panel 2, or a starting instruction is issued through manual control;
s3: clicking the control button of the bus control panel 3 or the multi-line control panel 2, issuing a starting control instruction of fire fighting equipment corresponding to an accident, and performing locking logic judgment by the monitoring end transmission control unit 5, wherein the logic judgment flow chart is shown in fig. 3:
if two independent or two types of fire alarm signals are continuously generated within 30 seconds and the circuit breakers at the high-voltage side, the medium-voltage side and the low-voltage side of the main equipment in the area where the fire alarm signals are located are tripped, the logic judgment is correct, the monitoring end transmission control unit 5 transmits a starting control instruction to the station end fire-fighting transmission control unit, and the fire-fighting equipment is controlled to be started through hard contacts so as to carry out fire-fighting operation;
if the logic judgment is wrong, the monitoring end transmission control unit 5 feeds back command information including rejection reasons to the bus control panel 3 or the multi-line control panel 2, a control button of the control panel is started, a feedback indicator lamp is lightened, the monitoring end transmission control unit 5 returns a rejection instruction to the centralized fire alarm controller 1, and the control panel stops sending the starting instruction.
When the control button of the multi-line control panel 2 is clicked, the control button is sent to the IO expansion device 6 through the 24V special control circuit, the IO expansion device 6 converts the digital signal into an i2 interface and sends the interface to the monitoring end transmission control unit 5, and the locking logic judgment is carried out.
And S3, judging the rejection reasons including that the fire alarm signal is not met and the main equipment power-off signal is not met, and judging the rejection reasons according to the indicator lamps of the control buttons of the bus control panel 3 or the multi-line control panel 2. The fire alarm signal does not satisfy the explanation that the fire is not clear, and needs to be confirmed through video monitoring; the main equipment is not powered off, the coordinated control center firstly controls the circuit breaker of the main equipment to be separated manually, and then clicks a control button to issue a starting control instruction of the fire fighting equipment.
Claims (10)
1. A transformer substation fire-fighting remote centralized monitoring method is characterized by comprising the following steps:
s1: the centralized fire alarm controller (1) receives fire alarm information and operation information of substations in jurisdiction;
s2: when a fire alarm accident is confirmed, a starting instruction is issued through the bus control panel (3) or the multi-line control panel (2), and the starting instruction is issued through manual control;
s3: clicking a control button of the bus control panel (3) or the multi-line control panel (2), issuing a starting instruction of fire-fighting equipment corresponding to an accident, and performing locking logic judgment by the monitoring end transmission control unit (5):
if the logic judgment is correct, the monitoring end transmission control unit (5) transmits a starting instruction to the station end fire-fighting transmission control unit to control the fire-fighting equipment to start so as to carry out fire-fighting operation;
if the logic judgment is wrong, the monitoring end transmission control unit (5) feeds back command information including rejection reasons to the bus control panel (3) or the multi-line control panel (2), a fault indicator lamp in the control panel is turned on, the monitoring end transmission control unit (5) returns a rejection instruction to the centralized fire alarm controller (1), and the control panel stops sending a starting instruction.
2. The monitoring method according to claim 1, wherein step S1 comprises: the transformer substation fire alarm and operation information in the jurisdiction region is transmitted to the fire equipment through the fire detector, the fire equipment is transmitted to the station end fire alarm controller, the station end fire alarm controller is transmitted to the station end fire information transmission control unit and then transmitted to the monitoring end transmission control unit (5), and finally transmitted to the centralized fire alarm controller (1) for data processing and display.
3. The monitoring method according to claim 2, characterized in that step S1 is carried out by displaying the running message through an image display device (4) and displaying the alarm message through an audible and visual alarm lamp.
4. The monitoring method according to claim 1, wherein in step S3, if the following conditions are simultaneously satisfied, the logic judgment is correct; otherwise, the logic judges the error;
the conditions comprise that the fire alarm signal is continuously generated within a set time, and the three-side switch of the transformer in the area where the fire alarm signal is positioned is powered off.
5. The monitoring method according to claim 1, wherein the rejection reason of step S3 includes that the fire alarm signal is not satisfied and the main apparatus power-off signal is not satisfied, and the rejection reason is judged according to an indicator lamp of a control button of the bus control panel (3) or the multi-line control panel (2).
6. A system for implementing the monitoring method according to any one of claims 1 to 5, comprising a centralized fire alarm controller (1), wherein the centralized fire alarm controller (1) is connected with a multi-line control panel (2) and a bus control panel (3) through internal buses respectively, the multi-line control panel (2) is connected with an IO expansion device (6), the IO expansion device (6) is connected with a monitoring end transmission control unit (5), the bus control panel (3) is connected with the monitoring end transmission control unit (5), the monitoring end transmission control unit (5) is connected with a station end fire protection information transmission control unit through a scheduling data network, the station end fire protection information transmission control unit is connected with the station end fire alarm controller, and the station end fire alarm controller is connected with fire protection equipment.
7. System according to claim 6, characterized in that said bus control panel (3) comprises control buttons and unlocking buttons, each control button being configured with a start, fault and feedback three-way indicator light.
8. The system according to claim 6, characterized in that said multi-line control panel (2) comprises a control button and an unlocking button, each control button being equipped with a start, fault and feedback three-way indicator light.
9. System according to claim 6, characterized in that the IO expansion means (6) are connected to a control circuit.
10. The system according to claim 6, characterized in that the central fire alarm controller (1) is connected with an image display device (4) and an acousto-optic warning lamp.
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| JP3729643B2 (en) * | 1998-06-15 | 2005-12-21 | 能美防災株式会社 | Fire alarm system |
| CN100470597C (en) * | 2006-07-27 | 2009-03-18 | 温志浩 | Safety protection monitoring system |
| CN204101918U (en) * | 2014-09-17 | 2015-01-14 | 九江精密测试技术研究所 | A kind of touch fire alarm linking controller |
| CN204557708U (en) * | 2015-05-18 | 2015-08-12 | 孙超 | A kind of power station two lines bus fire automatic alarm device |
| CN204759667U (en) * | 2015-07-01 | 2015-11-11 | 北京利达华信电子有限公司 | A controlgear for fire alarm |
| CN110531690A (en) * | 2019-08-27 | 2019-12-03 | 南瑞集团有限公司 | A kind of long-range fire-fighting centralized monitoring system of unattended substation |
| CN111870843A (en) * | 2020-07-31 | 2020-11-03 | 南京南瑞继保电气有限公司 | Wireless fire fighting system for energy storage station and control method thereof |
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