CN112791331A - Remote emergency unlocking method for fire-fighting equipment of transformer substation - Google Patents
Remote emergency unlocking method for fire-fighting equipment of transformer substation Download PDFInfo
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- CN112791331A CN112791331A CN202110007076.7A CN202110007076A CN112791331A CN 112791331 A CN112791331 A CN 112791331A CN 202110007076 A CN202110007076 A CN 202110007076A CN 112791331 A CN112791331 A CN 112791331A
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- fire
- remote control
- unlocking
- equipment
- remote
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Classifications
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/04—Control of fire-fighting equipment with electrically-controlled release
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/50—Testing or indicating devices for determining the state of readiness of the equipment
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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
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/16—Electric power substations
Abstract
The invention relates to a remote emergency unlocking method for fire-fighting equipment of a transformer substation, which comprises the following steps: when the remote control substation fire-fighting equipment is started, reading related locking remote signaling information, judging that remote control is not allowed when the locking remote signaling is established, otherwise, reading related locking logic, and judging that remote control is allowed when the locking remote signaling is not established; if only the flame or the smoke is detected, the remote control is approved to be allowed under the condition that the locking logic equipment is determined to be powered off; when the remote control is executed, the video confirms that no person is in the station, and after authentication confirmation, a fire extinguishing operation instruction of the fire fighting equipment is issued. The method adopts different anti-misoperation locking and unlocking logics aiming at different fire prevention subareas of the transformer substation, allows remote control fire extinguishing when the conditions are met under the condition that the transformer substation breaks out and the on-site automatic fire extinguishing system does not normally act, and overcomes the defects of the on-site fire extinguishing system.
Description
Technical Field
The invention relates to a remote emergency unlocking method for fire-fighting equipment of a transformer substation, and belongs to the field of intelligent transformer substations.
Background
The transformer substation has important significance for a power supply system, the safety of the transformer substation affects the safety condition of the whole power grid all the time, and once fire hazard or accident occurs, great loss can be caused to the power grid. Moreover, most of the transformer substations in operation at present adopt unattended operation, although the automatic fire extinguishing system is arranged on the spot, when the automatic fire extinguishing system fails to respond in time, the remote timely response is needed, and the fire condition is reasonably judged, especially aiming at the initial fire, if the optimal fire extinguishing time can be grasped, the fire condition can be prevented from being expanded, and the loss is reduced.
The transformer substation is internally divided into a plurality of functional areas, the fire causes and the types are different, and the fire extinguishing process is also different, for example, a fire condition happens to primary equipment such as a transformer, the three-side switch is required to be disconnected firstly, and then the fire extinguishing operation is carried out. In order to guarantee fire emergency operation and prevent remote fire misoperation, a remote fire-fighting locking and unlocking mechanism must be arranged.
The transformer substation has important significance for a power supply system, the safety of the transformer substation affects the safety condition of the whole power grid all the time, and once fire hazard or accident occurs, great loss can be caused to the power grid. Moreover, most of the transformer substations in operation at present adopt unattended operation, although the automatic fire extinguishing system is arranged on the spot, when the automatic fire extinguishing system fails to respond in time, the remote timely response is needed, and the fire condition is reasonably judged, especially aiming at the initial fire, if the optimal fire extinguishing time can be grasped, the fire condition can be prevented from being expanded, and the loss is reduced.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a remote emergency unlocking method for transformer substation fire-fighting equipment.
In order to achieve the purpose, the invention provides a remote emergency unlocking method for fire-fighting equipment of a transformer substation, which comprises the following steps:
(1) when the remote control substation fire-fighting equipment is started manually or in a system linkage manner, reading the associated locking remote signaling information, when the locking remote signaling is established, judging that the remote control is not allowed, prohibiting the remote control, and ending an unlocking process; otherwise, entering the step (2);
(2) reading a locking logic associated with the fire extinguishing request, judging that remote control is allowed when the locking logic is not established, and entering the step (4); otherwise, entering the step (3);
(3) video confirmation, opening a corresponding fireproof subarea video, automatically detecting flame or smoke and abnormal temperature of the infrared video, judging that remote control is allowed, and entering the step (4); if only flame or smoke is detected, under the condition that the locking logic equipment is confirmed to be powered off, an unlocking instruction is sent through approval, remote control is allowed, and the step (4) is carried out; otherwise, ending unlocking;
(4) during remote control execution, firstly, the system automatically selects corresponding fire-fighting equipment in a fire-fighting subarea according to the position of flame or smoke by automatically confirming that no person is in the station through video, and issues a fire-fighting operation instruction corresponding to the fire-fighting equipment after a person in charge authenticates that the station has the operation authority of the fire-fighting equipment and confirms that the control operation is executed; otherwise, unlocking is finished.
Further, the locking logic comprises a step of judging whether the number of the fire alarm signals is less than two, if so, judging that the locking logic is established, and if not, judging that the locking logic is not established.
Further, if the partition is a primary device partition, the step (2) further includes: judging whether the primary equipment is electrified or not, if so, prohibiting unlocking, and ending the unlocking process; and if not, entering the step (2).
And further, reading the position information of the primary equipment in the expression of the locking logic, and judging that the primary equipment is not electrified when the position information is in a sub-position, or judging that the primary equipment is electrified.
Furthermore, when the centralized control system is linked or an on-duty person finds that the site of the transformer substation has an open fire through a video and the on-site fire extinguishing system of the fire-preventing subarea does not act, the fire-preventing subarea fire-fighting equipment is started in a remote control mode.
Further, the user authentication includes judging whether the operator has an operation authority, and if not, ending the unlocking process.
Further, the starting of the fire extinguishing process comprises: and starting the local fire extinguishing system of the transformer substation of the subarea to extinguish fire, and recording the operators, the operation objects, the operation contents, the operation time and the operation results.
Furthermore, the subareas comprise primary equipment fireproof subareas of the transformer, the reactor and the capacitor, and non-primary equipment fireproof subareas of the cable trench and the cable interlayer.
The technical scheme of the invention has the following beneficial technical effects:
(1) the invention adopts different anti-misoperation locking and unlocking logics aiming at different fireproof subareas of the transformer substation, allows remote control fire extinguishing when the conditions are met under the condition that the transformer substation breaks out and the on-site automatic fire extinguishing system does not normally act, makes up the defects of the on-site fire extinguishing system, can prevent the fire condition from expanding and reduces the loss.
(2) The invention judges the power failure of the primary equipment aiming at the subarea where the primary equipment is located, and ensures that the fire extinguishing system can safely extinguish fire after being started.
Drawings
FIG. 1 is a flow of fire-fighting in a fire-protection zone of a primary installation;
fig. 2 is a non-primary equipment fire protection zone remote fire extinguishing flow.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of common structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
The invention provides a remote emergency unlocking method for fire-fighting equipment of a transformer substation, which is applied to remote anti-misoperation locking and emergency unlocking of a fixed fire-extinguishing system of the transformer substation and specifically comprises the following steps:
(1) when the remote control substation fire-fighting equipment is started manually or in a system linkage manner, reading the associated locking remote signaling information, when the locking remote signaling is established, judging that the remote control is not allowed, prohibiting the remote control, and ending an unlocking process; otherwise, entering the step (2);
and reading the locking telecommand information related to the remote control, and when the locking telecommand is true, indicating that the remote control is not allowed and forbidding the remote control. The lockout telemetry is generally configured to be remotely located from the fire fighting remote. The field can be configured according to actual conditions.
(2) Reading locking logic expression information related to the fire extinguishing request, judging that remote control is allowed when the locking logic expression is false and the logic information is not true, and entering the step (4); otherwise, go to step (3).
The lockout logic expression is generally configured as a primary device with two independent loops or two types of fire alarm signals. The site can be maintained by editing the locking logic expression according to the actual situation.
Reading primary equipment position information in the locking logic expression associated with the remote control, and allowing unlocking when the position information is in a sub-position; otherwise, unlocking is prohibited, and remote control is prohibited.
(3) Video confirmation, opening a corresponding fireproof subarea video, automatically detecting flame or smoke and abnormal temperature of the infrared video, judging that remote control is allowed, and entering the step (4); if only flame or smoke is detected, under the condition that the locking logic equipment is confirmed to be powered off, an unlocking instruction is sent after the approval of a general engineer, remote control is allowed, and the step (4) is carried out; otherwise, unlocking is finished.
(4) During remote control execution, firstly, automatically confirming that no person exists in the station through a video, automatically selecting corresponding fire-fighting equipment in a fire-fighting subarea according to an abnormal position system, and issuing a fire-fighting operation instruction corresponding to the fire-fighting equipment after the current value long authentication has the fire-fighting equipment operation authority and the execution control operation is confirmed; otherwise, unlocking is finished.
And authenticating the user to verify that the operator has the fire-fighting remote operation authority. The remote control is prohibited by an operator who does not have the fire-fighting remote operation authority.
Further, before the step (2), distinguishing the primary equipment information from the fire alarm information by reading the type of the relevant remote signaling in the lockout logic expression. And if the primary equipment information is not configured in the primary equipment partition locking logic expression, judging that the primary equipment is satisfied by the sub-bits, and allowing unlocking.
FIG. 1 is a primary equipment fire prevention zoning remote fire extinguishing process, which comprises a transformer, a reactor and a capacitor fire prevention zoning. When the centralized control system is linked or an on-duty worker finds that open fire exists in the site of the transformer substation through videos and the on-site fire extinguishing system of the fire prevention subarea does not act, the remote fire extinguishing process is started. Firstly, reading locking remote signaling information related to the remote control, judging the on-site state of the fire-fighting remote control, and judging that the remote control is not allowed and the remote control is forbidden when the locking remote signaling is true; if it is determined as false, the following procedure is continued. Then, reading primary equipment position information in the locking logic expression associated with the remote control, judging whether the primary equipment is electrified, and if the equipment is electrified, forbidding unlocking the remote control, and further forbidding the remote control; if the primary equipment is not electrified, judging whether two paths of fire alarm signals exist or not, if so, performing remote control, and if not, automatically detecting that open fire exists by a video system and detecting that the temperature is abnormal by an infrared video, and performing remote control; if only open fire is detected, under the condition that the locking logic equipment loses power, the locking logic equipment is approved by a general engineer, an unlocking command is sent, and remote control is allowed; otherwise, unlocking the remote control is prohibited. During remote control execution, firstly, automatically confirming that no person exists in the station through a video, automatically selecting corresponding fire-fighting equipment in a fire-fighting subarea according to an abnormal position system, and issuing a fire-fighting operation instruction corresponding to the fire-fighting equipment after the current value long authentication has the fire-fighting equipment operation authority and the execution control operation is confirmed; otherwise, unlocking is finished. And controlling the detailed record of the operation process, including an operator, an operation object, operation content, operation time and operation results. Wherein the median length confirmation requires manual secondary confirmation of the flow and video information.
Fig. 2 is a non-primary equipment fire-protection partition remote fire-extinguishing process, which comprises a cable trench and a cable interlayer fire-protection partition. When the centralized control system is linked or an on-duty worker finds that open fire exists in the site of the transformer substation through videos and the on-site fire extinguishing system of the fire prevention subarea does not act, the remote fire extinguishing process is started. Firstly, reading locking remote signaling information related to the remote control, judging the on-site state of the fire-fighting remote control, and judging that the remote control is not allowed and the remote control is forbidden when the locking remote signaling is true; if it is determined as false, the following procedure is continued. Then judging whether two paths of fire alarm signals exist or not, if the two paths of fire alarm signals are satisfied, performing remote control, and if the two paths of fire alarm signals are not satisfied, automatically detecting that open fire exists by a video system and detecting that the temperature is abnormal by an infrared video, and performing remote control; if only open fire is detected, under the condition that the locking logic equipment loses power, the locking logic equipment is approved by a general engineer, an unlocking command is sent, and remote control is allowed; otherwise, unlocking the remote control is prohibited. During remote control execution, firstly, automatically confirming that no person exists in the station through a video, automatically selecting corresponding fire-fighting equipment in a fire-fighting subarea according to an abnormal position system, and issuing a fire-fighting operation instruction corresponding to the fire-fighting equipment after the current value long authentication has the fire-fighting equipment operation authority and the execution control operation is confirmed; otherwise, unlocking is finished. And controlling the detailed record of the operation process, including an operator, an operation object, operation content, operation time and operation results. Wherein the median length confirmation requires manual secondary confirmation of the flow and video information.
In summary, the invention relates to a remote emergency unlocking method for fire-fighting equipment of a transformer substation, which comprises the following steps: when the remote control substation fire-fighting equipment is started manually or in a system linkage manner, reading the associated locking remote signaling information, when the locking remote signaling is established, judging that the remote control is not allowed, prohibiting the remote control, and ending an unlocking process; otherwise, reading the locking logic associated with the fire extinguishing request, and judging that remote control is allowed when the locking logic is not established; if only the flame or the smoke is detected, and under the condition that the locking logic equipment is confirmed to be powered off, an unlocking instruction is sent to allow remote control after approval of a general engineer; when the remote control is executed, firstly, the video confirms that no person is in the station, the corresponding fire-fighting equipment in the fire-fighting subarea is automatically selected according to the abnormal position system, and after the current value is authenticated, the fire-fighting operation instruction corresponding to the fire-fighting equipment is issued; and if not, ending unlocking. The method adopts different anti-misoperation locking and unlocking logics aiming at different fire prevention subareas of the transformer substation, allows remote control fire extinguishing when the conditions are met under the condition that the transformer substation breaks out and the on-site automatic fire extinguishing system does not normally act, and overcomes the defects of the on-site fire extinguishing system.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (8)
1. A remote emergency unlocking method for fire-fighting equipment of a transformer substation is characterized by comprising the following steps:
(1) when the remote control substation fire-fighting equipment is started manually or in a system linkage manner, reading the associated locking remote signaling information, when the locking remote signaling is established, judging that the remote control is not allowed, prohibiting the remote control, and ending an unlocking process; otherwise, entering the step (2);
(2) reading a locking logic associated with the fire extinguishing request, judging that remote control is allowed when the locking logic is not established, and entering the step (4); otherwise, entering the step (3);
(3) video confirmation, opening a corresponding fireproof subarea video, automatically detecting flame or smoke and abnormal temperature of the infrared video, judging that remote control is allowed, and entering the step (4); if only flame or smoke is detected, under the condition that the locking logic equipment is confirmed to be powered off, an unlocking instruction is sent through approval, remote control is allowed, and the step (4) is carried out; otherwise, ending unlocking;
(4) during remote control execution, firstly, the system automatically selects corresponding fire-fighting equipment in a fire-fighting subarea according to the position of flame or smoke by automatically confirming that no person is in the station through video, and issues a fire-fighting operation instruction corresponding to the fire-fighting equipment after a person in charge authenticates that the station has the operation authority of the fire-fighting equipment and confirms that the control operation is executed; otherwise, unlocking is finished.
2. The method for remotely unlocking fire fighting equipment of a substation according to claim 1, wherein the locking logic comprises judging whether there are less than two fire alarm signals, if so, judging that the locking logic is established, and if not, judging that the locking logic is not established.
3. The substation fire fighting equipment remote emergency unlocking method according to claim 2, wherein if the subarea is a primary equipment subarea, the step (2) further comprises: judging whether the primary equipment is electrified or not, if so, prohibiting unlocking, and ending the unlocking process; and if not, entering the step (2).
4. The remote emergency unlocking method for the fire fighting equipment of the substation as claimed in claim 3, wherein the position information of the primary equipment in the expression of the locking logic is read, and when the position information is in a sub-position, the primary equipment is judged to be not electrified, otherwise, the primary equipment is judged to be electrified.
5. The method for remotely unlocking fire-fighting equipment in the transformer substation in an emergency manner according to claim 1 or 2, wherein when a centralized control system linkage or an on-duty person finds that an open fire exists in a transformer substation site through a video and an on-site fire extinguishing system of the fire-protection zone does not act, the fire-protection zone fire-fighting equipment is remotely started.
6. The remote emergency unlocking method for the fire fighting equipment of the transformer substation as claimed in claim 1 or 2, wherein the user authentication comprises judging whether an operator has an operation authority, and if not, ending the unlocking process.
7. The remote emergency unlocking method for the fire-fighting equipment of the transformer substation according to claim 1 or 2, characterized in that after a fire-fighting operation instruction corresponding to the fire-fighting equipment is issued, the local fire-fighting system of the transformer substation in the subarea is started to extinguish a fire, and an operator, an operation object, operation contents, operation time and an operation result are recorded.
8. The method for remotely unlocking fire-fighting equipment of a substation according to claim 1 or 2, wherein the subareas comprise primary equipment fire subareas of a transformer, a reactor and a capacitor and non-primary equipment fire subareas of a cable trench and a cable interlayer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110007076.7A CN112791331B (en) | 2021-01-05 | 2021-01-05 | Remote emergency unlocking method for fire-fighting equipment of transformer substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110007076.7A CN112791331B (en) | 2021-01-05 | 2021-01-05 | Remote emergency unlocking method for fire-fighting equipment of transformer substation |
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| CN112791331A true CN112791331A (en) | 2021-05-14 |
| CN112791331B CN112791331B (en) | 2022-05-20 |
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| CN202110007076.7A Active CN112791331B (en) | 2021-01-05 | 2021-01-05 | Remote emergency unlocking method for fire-fighting equipment of transformer substation |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004107884A (en) * | 2002-09-13 | 2004-04-08 | Okamura Corp | Appliance locking/unlocking system, and remote terminal for use in the locking/unlocking system |
| CN107844090A (en) * | 2017-11-03 | 2018-03-27 | 许继集团有限公司 | A kind of interlock method and device of the shutdown of substation data communication network |
| 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 |
| CN111068208A (en) * | 2019-12-19 | 2020-04-28 | 北京国电富通科技发展有限责任公司 | Intelligent fire extinguishing system of railway trolley type outdoor transformer |
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2021
- 2021-01-05 CN CN202110007076.7A patent/CN112791331B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004107884A (en) * | 2002-09-13 | 2004-04-08 | Okamura Corp | Appliance locking/unlocking system, and remote terminal for use in the locking/unlocking system |
| CN107844090A (en) * | 2017-11-03 | 2018-03-27 | 许继集团有限公司 | A kind of interlock method and device of the shutdown of substation data communication network |
| 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 |
| CN111068208A (en) * | 2019-12-19 | 2020-04-28 | 北京国电富通科技发展有限责任公司 | Intelligent fire extinguishing system of railway trolley type outdoor transformer |
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| 李娟娟等: ""无人值班变电站自动消防系统仿真测试研究"", 《物联网技术》 * |
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