CN214706608U - Transformer substation with segmented isolation fire prevention and advance intervention fire extinguishing structure - Google Patents
Transformer substation with segmented isolation fire prevention and advance intervention fire extinguishing structure Download PDFInfo
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- CN214706608U CN214706608U CN202023082020.8U CN202023082020U CN214706608U CN 214706608 U CN214706608 U CN 214706608U CN 202023082020 U CN202023082020 U CN 202023082020U CN 214706608 U CN214706608 U CN 214706608U
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- 230000002265 prevention Effects 0.000 title claims abstract description 30
- 238000002955 isolation Methods 0.000 title abstract description 10
- 239000000523 sample Substances 0.000 claims abstract description 71
- 238000005192 partition Methods 0.000 claims abstract description 60
- 238000009423 ventilation Methods 0.000 claims abstract description 27
- 230000001939 inductive effect Effects 0.000 claims abstract description 17
- 239000000779 smoke Substances 0.000 claims description 39
- 230000006698 induction Effects 0.000 claims description 21
- 239000000126 substance Substances 0.000 claims description 12
- 230000011218 segmentation Effects 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 8
- 238000012423 maintenance Methods 0.000 claims description 6
- 239000007921 spray Substances 0.000 claims description 4
- 230000004888 barrier function Effects 0.000 claims 1
- 230000008901 benefit Effects 0.000 description 6
- 238000012545 processing Methods 0.000 description 5
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- 238000010586 diagram Methods 0.000 description 4
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- 238000009434 installation Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
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Abstract
The utility model discloses a transformer substation with sectional isolation fire prevention and intervene structure of putting out a fire in advance, be equipped with the cable pit in the transformer substation and converge the accuse cabinet, be equipped with in the cable pit be used for with the partition wall that the cable pit inner space separates for a plurality of cable pits cuts off, every all be equipped with first smog inductive probe and temperature-sensing probe in the cable pit cuts off, the quantity of partition wall is the multiaspect, every the both sides of partition wall all are equipped with a first fire extinguisher, every all be equipped with a cable pit apron on the cable pit cuts off, every all be equipped with a first ventilation unit on the cable pit cuts off, the top of accuse cabinet is equipped with a second fire extinguisher, be equipped with second smog inductive probe, humiture inductive probe and second ventilation unit in the accuse cabinet of converging of transformer substation. The utility model discloses a aim at solving among the prior art cable pit and catch the technical problem that phenomenon such as the cabinet is overheated to catch fire frequently.
Description
Technical Field
The utility model belongs to the technical field of the transformer substation, especially, relate to a transformer substation with segmentation is kept apart the fire prevention and is intervened fire extinguishing structure in advance.
Background
In the structure of a power grid system, a transformer substation is used as an indispensable component link in a power system and has the functions of converting voltage grades, receiving and distributing electric energy and controlling the flow direction of power grid tide. However, in actual work, an effective fire protection device is lacked in auxiliary equipment of a transformer substation, problems such as fire of a cable duct and overheating and fire of a control cubicle occur frequently, and normal work of the transformer substation is seriously influenced.
Therefore, it is urgently needed to design a transformer substation with a sectional isolation fire prevention and early intervention fire extinguishing structure so as to reduce the influence of fire on the transformer substation.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Based on this, the utility model provides a transformer substation with segmentation is kept apart the fire prevention and is intervened structure of putting out a fire in advance, this transformer substation with segmentation is kept apart the fire prevention and is intervened structure of putting out a fire in advance aims at solving the cable pit among the prior art and fires, the overheated phenomenon frequent technical problem such as firing of accuse cabinet of converging.
(II) technical scheme
For solving the technical problem, the utility model provides a transformer substation with sectional isolation fire prevention and intervene structure of putting out a fire in advance, be equipped with the cable pit in the transformer substation and converge the accuse cabinet, be equipped with in the cable pit be used for with the partition wall that the cable pit inner space separates for a plurality of cable pits cuts off, every all be equipped with first smoke inductive probe and temperature inductive probe in the cable pit cuts off, the quantity of partition wall is the multiaspect, every the both sides of partition wall all are equipped with a first fire extinguisher, every all be equipped with a cable pit apron on the cable pit cuts off, every all be equipped with a first ventilation unit on the cable pit cuts off, the top of converging the accuse cabinet is equipped with a second fire extinguisher, be equipped with second smoke inductive probe, humiture inductive probe and second ventilation unit in the transformer substation converges the accuse cabinet.
Preferably, a heating and moisture removing device is further arranged in the substation control cubicle.
Preferably, the whole cable trench is rectangular, and the fire-proof partition wall is perpendicular to the length direction of the cable trench; the cable duct partition is rectangular as a whole.
Preferably, two first smoke induction probes are arranged in each cable duct partition, and the two first smoke induction probes are arranged at intervals along the length direction of the cable duct partition; every all be equipped with two in the cable pit cuts off temperature-sensing probe, two temperature-sensing probe follows the length direction interval that the cable pit cuts off sets up.
Preferably, the first ventilation device in each cable trench partition is arranged right opposite to the cable trench cover plate in each cable trench partition.
Preferably, the cable trench is provided with a cover plate switch power part for controlling the opening or closing of the cover plate of the cable trench.
Preferably, when the first smoke induction probe detects that the rise rate of the smoke induction numerical value in the cable duct partition is larger than or equal to 100%, or when the temperature induction probe detects that the rise rate of the temperature induction numerical value in the cable duct partition is larger than or equal to 100%; the first fire extinguisher sprays fire extinguishing substances to carry out internal fire, and simultaneously sends out an alarm signal to inform operation and maintenance personnel.
Preferably, when the temperature sensing probe detects that the temperature sensing numerical value in the cable trench partition is reduced to a normal value, the cable trench cover plate is opened through the cover plate switch power piece, the first ventilation device is started, and the fire extinguishing substances in the cable trench partition are emptied.
Preferably, when the first smoke sensing probe detects that the smoke sensing numerical value in the cable trench partition is reduced to a normal value, the first ventilation device and the cable trench cover plate are closed.
Preferably, when the second smoke induction probe gives an alarm, the second fire extinguisher sprays fire extinguishing substances to carry out internal fire, and simultaneously sends an alarm signal to inform operation and maintenance personnel; and when the temperature and humidity sensing probe detects that the temperature sensing value in the control cabinet is higher than 70 ℃ and the second smoke sensing probe does not give an alarm, the second ventilation device is started to ventilate and radiate heat.
(III) advantageous effects
The utility model discloses compare with prior art, the utility model discloses the beneficial effect of transformer substation with segmentation isolation fire prevention and intervene in advance and put out a fire the structure mainly includes:
and the cable trench is partitioned by using the fire partition wall to form a segmented isolation fireproof structure. Through increasing probe and fire extinguisher respectively in cable pit and collection accuse cabinet, form and intervene the structure of putting out a fire in advance, but real-time supervision cable pit and the environmental aspect of collection accuse cabinet have saved manpower and time greatly, have eliminated and have damaged the problem that relevant equipment and debris got into at the in-process of patrolling and examining, improve the operating efficiency by a wide margin, promote work quality to the cable of transformer substation and the safety of collection accuse cabinet have been guaranteed.
Drawings
The features and advantages of the invention will be more clearly understood by reference to the accompanying drawings, which are schematic and should not be understood as imposing any limitation on the invention, in which:
fig. 1 is a schematic structural diagram of a cable trench partition and related fire protection devices in a substation with a sectionalized fire protection and early intervention fire extinguishing structure according to the embodiment;
fig. 2 is a schematic structural diagram of a control cubicle and related fire-proof devices in a substation with a sectionalized fire-proof and early-intervention fire-extinguishing structure according to the embodiment;
fig. 3 is a schematic diagram of a control system applied to a substation having a sectionalized fire protection and early intervention fire extinguishing structure according to the embodiment.
Description of reference numerals:
1. the system comprises a cable duct partition, a control cubicle, a fire partition, a first smoke sensing probe, a temperature sensing probe, a first fire extinguisher, a second smoke sensing probe, a temperature and humidity sensing probe and a second ventilating device, wherein the cable duct partition comprises 2, a control cubicle, 11, the fire partition, 12, the first smoke sensing probe, 13, the temperature sensing probe, 14, the first fire extinguisher, 21, the second fire extinguisher, 22, the second smoke sensing probe, 23, the temperature and humidity sensing probe and 24.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention can be embodied in many different forms other than those specifically described herein, and it will be apparent to those skilled in the art that similar modifications can be made without departing from the spirit and scope of the invention, and it is therefore not to be limited to the specific embodiments disclosed below.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; the two elements may be mechanically or electrically connected, directly or indirectly connected through an intermediate medium, or connected through the inside of the two elements, or "in transmission connection", that is, connected in a power manner through various suitable manners such as belt transmission, gear transmission, or sprocket transmission. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The invention will be further described with reference to the accompanying figures 1-3.
Referring to the attached drawings 1-2, a transformer substation with segmented isolation fire prevention and advanced intervention fire extinguishing structures is provided with cable trenches and a control cubicle 2, fire partitions 11 used for partitioning the inner space of the cable trenches into a plurality of cable trench partitions 1 are arranged in the cable trenches, a first smoke induction probe 12 and a temperature induction probe 13 are arranged in each cable trench partition 1, the number of the fire partitions 11 is polyhedral, a first fire extinguisher 14 is arranged on each of two sides of each fire partition 11, a cable trench cover plate is arranged on each cable trench partition 1, a first ventilation device is arranged on each cable trench partition 1, a second fire extinguisher 21 is arranged at the top of the control cubicle 2, and a second smoke induction probe 22, a temperature and humidity induction probe 23 and a second ventilation device 24 are arranged in the control cubicle 2.
In this embodiment, the utility model relates to a transformer substation with segmentation is kept apart fire prevention and is intervene structure of putting out a fire in advance utilizes fire compartment wall 11 to keep apart the cable pit subregion, forms the structure of segmentation isolation fire prevention. Through increasing probe and fire extinguisher respectively in cable pit and collection accuse cabinet 2, form and intervene the structure of putting out a fire in advance, but real-time supervision cable pit and the environmental aspect of collection accuse cabinet 2 have saved manpower and time greatly, have eliminated and have damaged the problem that relevant equipment and debris got into at the in-process of patrolling and examining, improve the operating efficiency by a wide margin, promote work quality to the cable of transformer substation and collection accuse cabinet 2 safety have been guaranteed.
According to the utility model discloses an preferred embodiment still is equipped with heating and drives damp device in the transformer substation collection accuse cabinet 2. In particular, the heating and dehumidifying device may be a commercially available heating dehumidifier. When the temperature and humidity sensing probe 23 detects that the humidity of the control cabinet 2 is lower than the preset value, the heating dehumidifier can be started.
According to the preferred embodiment of the utility model, the whole cable trench is rectangular, and the fire partition wall 11 is vertical to the length direction of the cable trench; the cable trench partition 1 is rectangular as a whole. This structure does benefit to shaping cable pit and cuts off 1, and during the concrete implementation, every fireproof partition wall 11's both sides all are equipped with a first fire extinguisher 14, and this structure does benefit to the effect that improves the fire extinguishing.
According to the preferred embodiment of the utility model, two first smoke induction probes 12 are arranged in each cable trench partition 1, and the two first smoke induction probes 12 are arranged at intervals along the length direction of the cable trench partition 1; two temperature-sensing probes 13 are arranged in each cable trench partition 1, and the two temperature-sensing probes 13 are arranged at intervals along the length direction of the cable trench partition 1. This structure does benefit to the sensitivity of guaranteeing to detect, and during the concrete implementation, can be earlier in the same place a first smoke inductive probe 12 and a temperature inductive probe 13 combination, wholly installs again, so can improve the efficiency of installation.
According to the utility model discloses a preferred embodiment, every cable pit cuts off the first ventilation unit in 1 and just cuts off the cable pit apron setting in 1 to every cable pit. By adopting the structure, when the cable trench cover plate is opened, the first ventilation device is started, and sprayed fire-extinguishing substances or other air in the cable trench partition 1 can be rapidly pumped away, so that rapid ventilation is realized. Every cable pit cuts off all to be equipped with first ventilation unit and cable pit apron in 1, and this structure does benefit to the subregion and realizes taking a breath.
According to the utility model discloses a preferred embodiment is equipped with the apron switch power spare that is used for controlling cable trench cover to open or close on the cable trench. During specific implementation, the cover plate switch power part can be an air cylinder or a hydraulic cylinder and is connected through the electromagnetic directional valve, and the structure is favorable for realizing automatic control. Of course, the cover plate opening and closing power part can also be other structures capable of opening or closing the cable trench cover plate, such as an electric motor or a swing motor.
The following specifically introduces the utility model relates to a transformer substation realizes concrete process of fire prevention function with segmentation is kept apart fire prevention and is intervene fire extinguishing structure in advance.
When the first smoke induction probe 12 detects that the rise rate of the smoke induction numerical value in the cable trench partition 1 is larger than or equal to 100%, or when the temperature induction probe 13 detects that the rise rate of the temperature induction numerical value in the cable trench partition 1 is larger than or equal to 100%; the fire extinguishing substance is discharged through the first fire extinguisher 14 to perform an internal fire and simultaneously an alarm signal is issued to notify the operation and maintenance personnel.
When the temperature sensing probe 13 detects that the temperature sensing numerical value in the cable trench partition 1 is reduced to a normal value, the cable trench cover plate is opened through the cover plate switch power part, the first ventilation device is started, and fire extinguishing substances in the cable trench partition 1 are emptied.
When the first smoke induction probe 12 detects that the smoke induction value in the cable trench partition 1 is reduced to a normal value, the first ventilating device and the cable trench cover plate are closed.
When the second smoke induction probe 22 gives an alarm, the second fire extinguisher 21 sprays fire extinguishing substances to carry out internal fire, and simultaneously sends an alarm signal to inform operation and maintenance personnel; when the temperature and humidity sensing probe 23 detects that the temperature sensing value in the control cubicle 2 is higher than 70 ℃ and the second smoke sensing probe 22 does not give an alarm, the second ventilation device 24 is started to ventilate and dissipate heat.
And when the humidity exceeds 70%, starting the heating and moisture removing device in the control cubicle 2.
It should be noted that: the utility model discloses the sensor (first smog inductive probe 12, temperature inductive probe 13, second smog inductive probe 22, humiture inductive probe 23) that uses all can directly purchase from the market, and the mode of using above-mentioned sensor to carry out above-mentioned concrete detection and judgement is the conventional type means in this field.
In specific implementation, the cable trench fire prevention processing module and the control cubicle 2 fire prevention processing module can be respectively connected with an in-station host according to a schematic diagram shown in fig. 3, so as to design a substation environment monitoring host system. And a set of background control system is designed and is responsible for processing the environmental data uploaded by the sensor, automatically controlling the opening time and the number of fire extinguishers in the transformer substation, and automatically controlling the opening and closing of ventilation equipment, cable trench cover plates and other equipment.
Specifically, the cable trench fire prevention processing module is used for uploading data acquired by the sensor to a host computer in the station, the host computer in the station senses the temperature and smoke change of the cable trench partition 1, if the temperature and smoke numerical value rise too fast, a fire extinguisher of the partition is started, fire extinguishing substances are used for evacuating oxygen of the partition, spreading and expansion of fire disasters are prevented, and meanwhile, an alarm is given out; then if the temperature probe senses that the temperature value is reduced to a normal value, automatically opening a cable trench cover plate, starting a ventilation device, and emptying fire extinguishing substances in the cable trench partition 1; and finally, if the sensing numerical value of the smoke sensing probe is reduced to a normal value, the ventilation device and the cable trench cover plate are closed.
The fire prevention processing module of the control cubicle 2 is used for uploading the data collected by the sensor to the host computer in the station, the host computer in the station senses the temperature, the smoke change and the humidity change in the control cubicle 2, and when the temperature exceeds 70 ℃ and the smoke sensing probe does not give an alarm, the ventilation device in the cubicle is automatically started; when the humidity exceeds 70%, the heating and moisture-removing device in the cabinet is automatically started; when the smoke probe in the cabinet gives an alarm, the ventilation device is locked, and the fire extinguishing device is opened at the same time.
Compared with the prior art, the utility model relates to a transformer substation with segmentation is kept apart the fire prevention and is intervene structure of putting out a fire in advance utilizes the fire compartment wall to divide the cable pit subregion, forms the structure of segmentation isolation fire prevention. Through increasing probe and fire extinguisher respectively in cable pit and collection accuse cabinet, form and intervene the structure of putting out a fire in advance, but real-time supervision cable pit and the environmental aspect of collection accuse cabinet have saved manpower and time greatly, have eliminated and have damaged the problem that relevant equipment and debris got into at the in-process of patrolling and examining, improve the operating efficiency by a wide margin, promote work quality to the cable of transformer substation and the safety of collection accuse cabinet have been guaranteed.
Although the embodiments of the present invention have been described in conjunction with the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the invention, and such modifications and variations fall within the scope defined by the appended claims.
Claims (10)
1. The utility model provides a transformer substation with fire prevention is kept apart in segmentation and structure of putting out a fire is intervene in advance, a serial communication port, be equipped with the cable pit in the transformer substation and control the cabinet with converging, be equipped with in the cable pit be used for with the partition wall that the cable pit inner space separates for a plurality of cable pits and cut off, every all be equipped with first smog inductive probe and temperature inductive probe in the cable pit cuts off, the quantity of partition wall is the multiaspect, every the both sides of partition wall all are equipped with a first fire extinguisher, every all be equipped with a cable pit apron on the cable pit cuts off, every all be equipped with a first ventilation unit on the cable pit cuts off, the top of control the cabinet that converges is equipped with a second fire extinguisher, be equipped with second smog inductive probe, humiture inductive probe and second ventilation unit in the control cabinet of transformer substation.
2. A substation with sectionalized fire prevention and early intervention fire extinguishing structure according to claim 1, wherein a heating and moisture removing device is further arranged in the substation control cubicle.
3. A substation with sectionalized fire prevention and early intervention fire extinguishing structure according to claim 2, wherein the cable trench is rectangular in whole, and the fire barrier is perpendicular to the length direction of the cable trench; the cable duct partition is rectangular as a whole.
4. A substation with a sectionalized fire prevention and early intervention fire extinguishing structure according to claim 3, wherein two first smoke sensing probes are arranged in each cable trench partition, and the two first smoke sensing probes are arranged at intervals along the length direction of the cable trench partition; every all be equipped with two in the cable pit cuts off temperature-sensing probe, two temperature-sensing probe follows the length direction interval that the cable pit cuts off sets up.
5. A substation with sectionalized fire prevention and early intervention fire extinguishing structure according to claim 4, wherein the first ventilation device in each of the cable trench partitions is arranged opposite to the cable trench cover plate in each of the cable trench partitions.
6. A substation with sectionalized fire prevention and early intervention fire extinguishing structure according to claim 5, wherein a cover plate switch power member for controlling the opening or closing of the cover plate of the cable trench is arranged on the cable trench.
7. The substation with the sectionalized fire prevention and early intervention fire extinguishing structure according to claim 6, wherein when the first smoke sensing probe detects that the rise rate of the smoke sensing value in the cable trench partition is greater than or equal to 100%, or when the temperature sensing probe detects that the rise rate of the temperature sensing value in the cable trench partition is greater than or equal to 100%; the first fire extinguisher sprays fire extinguishing substances to carry out internal fire, and simultaneously sends out an alarm signal to inform operation and maintenance personnel.
8. The substation with sectionalized fire prevention and early intervention fire extinguishing structure according to claim 7, wherein when the temperature sensing probe detects that the temperature sensing value in the cable trench partition drops to a normal value, the cable trench cover is opened through the cover switch power member, the first ventilation device is started, and the fire extinguishing substance in the cable trench partition is emptied.
9. A substation with sectionalized fire prevention and pre-intervention fire extinguishing structure according to claim 8, wherein the first ventilation device and the cable trench cover are closed when the first smoke sensing probe detects that the smoke sensing value in the cable trench partition drops to a normal value.
10. The substation with the sectionalized fire prevention and early intervention fire extinguishing structure according to claim 6, wherein when the second smoke induction probe gives an alarm, fire extinguishing substances are sprayed out through the second fire extinguisher to carry out internal fire, and meanwhile, an alarm signal is sent to inform operation and maintenance personnel; and when the temperature and humidity sensing probe detects that the temperature sensing value in the control cabinet is higher than 70 ℃ and the second smoke sensing probe does not give an alarm, the second ventilation device is started to ventilate and radiate heat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023082020.8U CN214706608U (en) | 2020-12-21 | 2020-12-21 | Transformer substation with segmented isolation fire prevention and advance intervention fire extinguishing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023082020.8U CN214706608U (en) | 2020-12-21 | 2020-12-21 | Transformer substation with segmented isolation fire prevention and advance intervention fire extinguishing structure |
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| Publication Number | Publication Date |
|---|---|
| CN214706608U true CN214706608U (en) | 2021-11-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023082020.8U Active CN214706608U (en) | 2020-12-21 | 2020-12-21 | Transformer substation with segmented isolation fire prevention and advance intervention fire extinguishing structure |
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| Country | Link |
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| CN (1) | CN214706608U (en) |
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