CN110947145B - Unpowered cable trench dehumidification fire extinguishing apparatus - Google Patents
Unpowered cable trench dehumidification fire extinguishing apparatus Download PDFInfo
- Publication number
- CN110947145B CN110947145B CN201911255488.1A CN201911255488A CN110947145B CN 110947145 B CN110947145 B CN 110947145B CN 201911255488 A CN201911255488 A CN 201911255488A CN 110947145 B CN110947145 B CN 110947145B
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- Prior art keywords
- electromagnetic lock
- hood
- hollow shaft
- framework
- cable trench
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- 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.)
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- 238000007791 dehumidification Methods 0.000 title claims abstract description 13
- 238000009434 installation Methods 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 6
- 230000006698 induction Effects 0.000 claims description 4
- 239000000725 suspension Substances 0.000 claims description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract description 4
- 235000017491 Bambusa tulda Nutrition 0.000 abstract description 4
- 241001330002 Bambuseae Species 0.000 abstract description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract description 4
- 239000011425 bamboo Substances 0.000 abstract description 4
- 238000007689 inspection Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C35/00—Permanently-installed equipment
- A62C35/02—Permanently-installed equipment with containers for delivering the extinguishing substance
- A62C35/11—Permanently-installed equipment with containers for delivering the extinguishing substance controlled by a signal from the danger zone
- A62C35/13—Permanently-installed equipment with containers for delivering the extinguishing substance controlled by a signal from the danger zone with a finite supply of extinguishing material
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
- F21V23/0442—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors
- F21V23/0471—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors the sensor detecting the proximity, the presence or the movement of an object or a person
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The utility model provides an unpowered cable pit dehumidification extinguishing device, relates to electric power protection device technical field, and its structure is: the hollow shaft top sets up photovoltaic board and raindrop inductor, and the middle part sets up the hood through the bearing, and the lower part has connected gradually hood skeleton and supporting framework, and a hood section of thick bamboo is connected to the hood skeleton, and a supporting framework connects the supporting section of thick bamboo, is provided with rechargeable battery and electromagnetic lock on the supporting framework, and raindrop inductor control connects the electromagnetic lock, and when the electromagnetic lock shutting, the spring bolt can block hood skeleton and hood and rotate. The invention has the beneficial effects that: the invention has simple installation and convenient inspection, can realize air exchange and dehumidification in the cable trench in fine days, prevents moist air from entering the cable trench in rainy days, can illuminate the cable trench, and can automatically extinguish fire when the cable trench is in fire.
Description
Technical Field
The invention relates to the technical field of power protection devices, in particular to a dehumidifying and fire-extinguishing device for an unpowered cable trench.
Background
The problems of cable damping, rust corrosion of a cable framework, collapse of a cable trench and the like can be caused after the accumulated water in the cable trench of the transformer substation is damped for a long time. The service life of the cable and the cable duct is seriously influenced. The problem of dehumidification of the cable trench always puzzles various power supply companies, and at present, various companies adopt a mode of installing ventilation openings and opening a cable trench cover plate for airing to reduce the problem of dampness of the cable trench.
When a fire disaster happens in a cable trench of a transformer substation, a proper fire fighting method is not available at present, and the fire disaster can be only isolated by a firewall in the cable trench, and if the firewall has a gap, the fire disaster of the whole transformer substation can be caused. Causing large-area power failure and causing great loss to companies and users.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a dehumidifying and fire-extinguishing device for an unpowered cable trench.
The invention provides a dehumidification fire extinguishing device for an unpowered cable trench, which is characterized in that: the wind cap (3) is arranged outside the hollow shaft (4), the wind cap (3) is an unpowered wind cap and consists of a plurality of wind blades, the lower end of the wind cap (3) is fixedly connected with a wind cap barrel (10), a bearing is arranged between the top surface of the wind cap (3) and the hollow shaft (4), a bearing is also arranged between the disc (7) and the hollow shaft (4), the disc (7) is connected with one end of a wind cap framework (5), and the other end of the wind cap framework (5) is fixedly connected with the inner side of the wind cap barrel (10); the lower part of the hollow shaft (4) is fixedly connected with one end of a supporting framework (6), and the other end of the supporting framework (6) is fixedly connected with a supporting cylinder (11); the lower end of the supporting cylinder (11) is connected with an automatic fire extinguisher (14) through a bracket (13).
The diameter of the lower part of the supporting cylinder (11) is smaller than that of the upper part, and the diameter of the wind cap cylinder (10) is larger than that of the upper part of the supporting cylinder (11);
the hollow shaft (4) extends out of the top of the hood (3), an inclined photovoltaic panel (2) is arranged at the top end of the hollow shaft through a transverse support, and a horizontally placed raindrop inductor (1) is fixedly arranged at the top of the photovoltaic panel (2);
an electromagnetic lock (8) is arranged above the supporting framework (6), the height of a lock body of the electromagnetic lock (8) is lower than that of the blast cap framework (5), the top end of the electromagnetic lock (8) is 1-3cm higher than the blast cap framework (5) after a spring bolt of the electromagnetic lock (8) is popped out, and a rechargeable battery (9) is arranged below the supporting framework (6);
the photovoltaic panel (2) is electrically connected with the rechargeable battery (9) to charge the rechargeable battery (9), the electromagnetic lock (8) and the raindrop sensor (1) are electrically connected with the rechargeable battery (9), and the rechargeable battery (9) provides power for the rechargeable battery; connecting wires of the photovoltaic panel (2) and the raindrop inductor (1) penetrate in from the top end of the hollow shaft (4) and penetrate out from the lower end of the hollow shaft.
Raindrop inductor (1) and electromagnetic lock (8) control connection, when raindrop inductor (1) sensed the raindrop, electromagnetic lock (8) spring bolt stretched out, blockked hood skeleton (5) and rotated, hood (3) stall does not rotate and takes a breath, and in fine day, electromagnetic lock (8) spring bolt was withdrawed automatically, and hood skeleton (5) can rotate, and hood (3) rotate simultaneously, realizes taking a breath to the cable pit.
The middle part of the bracket (13) is provided with a human body induction LED lamp (12) with a lampshade, and the LED lamp (12) is electrically connected with the rechargeable battery (9); on the one hand, the lamp shade can block upward injection of powder when the fire extinguishing bomb explodes, so that the powder is injected downward as much as possible, and the fire extinguishing effect is good.
The hollow shaft (4) is made of hollow steel pipes.
The automatic fire extinguisher (14) is a fire extinguishing bomb or a temperature-sensitive suspension dry powder fire extinguisher.
The installation method of the device comprises the following steps: the cable cover plate is characterized in that a hole is formed in the cable cover plate (16), a PVC pipe (15) is installed on the hole, the PVC pipe (15) is connected with the edge of the hole in a sealing mode, the upper end of the PVC pipe (15) is 1-5cm higher than the cable cover plate (16), rainwater is prevented from flowing into a cable trench downwards, the inner diameter of the PVC pipe (15) is larger than the diameter of the lower portion of a supporting cylinder (11) and smaller than the diameter of the upper portion of the supporting cylinder (11), and therefore when the device is installed, the upper portion of the supporting cylinder (11) is clamped above the PVC pipe (15), the weight of the whole device is supported, and the rotation of an upper wind cap (3) and a wind cap cylinder (10).
When the device is installed, only the lower part of the supporting cylinder (11) of the device is directly inserted into the PVC pipe (15), and when the automatic fire extinguisher (14) below needs to be inspected and maintained, the device can be directly lifted out for inspection.
The invention has the beneficial effects that: for each cable trench, installing one device every 5-10 m, driving air in the trench to flow by utilizing the rotation of the unpowered hood, pumping out moist air, and taking dry air into the trench for exchange; the method for dehumidifying the cable trench is achieved through the reciprocating circulation; a raindrop sensor is additionally arranged to judge whether moisture exists in the air or not and whether moisture can be brought to the cable trench or not; the electromagnetic lock locks the unpowered hood in humid weather, so that humid air is prevented from being brought into the cable trench, and the dehumidification effect of the cable trench is prevented from being influenced; the rotation in sunny days is realized to carry out air exchange and dehumidification in the cable trench, and the locking in rainy days prevents moist air from entering the cable trench.
The bottom is hoisted with the automatic fire extinguisher which can sense the fire in the cable trench and automatically extinguish the fire according to the temperature or the smoke in the trench, if the fire extinguishing bomb meets the naked fire for 3-5 seconds, the fire extinguishing bomb automatically explodes to extinguish the fire, if the temperature of the temperature-sensitive type suspension dry powder fire extinguisher reaches the set temperature, the fire extinguisher automatically starts to extinguish the fire, and the fire extinguisher can be checked through the ventilation opening at ordinary times, so that the automatic fire extinguisher is prevented from being damaged due to the failure or invalidation; the device is designed to be installed in a plug-in mode, so that the automatic fire extinguisher is convenient to regularly check and replace; the LED lamp of human response can throw light on for personnel when getting into inspection cable pit.
Drawings
FIG. 1 is a cross-sectional view of the present invention;
FIG. 2 is a schematic view of the installation of the present invention on a cable cover plate;
in the figure: 1. raindrop inductor, 2, photovoltaic board, 3, hood, 4, hollow shaft, 5, hood skeleton, 6, supporting skeleton, 7, disc, 8, electromagnetic lock, 9, rechargeable battery, 10, a hood section of thick bamboo, 11, a supporting section of thick bamboo, 12, LED lamp, 13, support, 14, automatic fire extinguisher, 15, PVC pipe, 16, cable apron.
Detailed Description
Embodiment 1, as shown in the drawings, the invention provides a powerless cable trench dehumidification fire extinguishing apparatus, wherein a hood (3) is arranged outside a hollow shaft (4), the hood (3) is a powerless hood and consists of a plurality of blades, the lower end of the hood (3) is fixedly connected with a hood barrel (10), a bearing is arranged between the top surface of the hood (3) and the hollow shaft (4), a bearing is also arranged between a disc (7) and the hollow shaft (4), the disc (7) is connected with one end of a hood framework (5), and the other end of the hood framework (5) is fixedly connected with the inner side of the hood barrel (10); the lower part of the hollow shaft (4) is fixedly connected with one end of a supporting framework (6), and the other end of the supporting framework (6) is fixedly connected with a supporting cylinder (11); the lower end of the supporting cylinder (11) is connected with an automatic fire extinguisher (14) through a bracket (13), and the automatic fire extinguisher (14) is set as a fire extinguishing bomb.
The hollow shaft (4) extends out of the top of the hood (3), an inclined photovoltaic panel (2) is arranged at the top end of the hollow shaft through a transverse support, and a horizontally placed raindrop inductor (1) is fixedly arranged at the top of the photovoltaic panel (2); an electromagnetic lock (8) is arranged above the supporting framework (6), the height of a lock body of the electromagnetic lock (8) is lower than that of the blast cap framework (5), the top end of the electromagnetic lock (8) is 2cm higher than the blast cap framework (5) after a lock tongue of the electromagnetic lock is popped out, and a rechargeable battery (9) is arranged below the supporting framework (6); the photovoltaic panel (2) is electrically connected with the rechargeable battery (9), the electromagnetic lock (8) and the raindrop inductor (1) are electrically connected with the rechargeable battery (9), and connecting wires of the photovoltaic panel (2) and the raindrop inductor (1) penetrate through the top end and the lower end of the hollow shaft (4); the raindrop sensor (1) is connected with the electromagnetic lock (8) in a control way.
The middle part of the bracket (13) is provided with a human body induction LED lamp (12) with a lampshade, and the LED lamp (12) is electrically connected with the rechargeable battery (9).
The installation method of the device comprises the following steps: the cable cover plate (16) is provided with a hole, the hole is provided with a PVC pipe (15), the PVC pipe (15) is hermetically connected with the edge of the hole, the upper end of the PVC pipe (15) is 1cm higher than the cable cover plate (16), and the inner diameter of the PVC pipe (15) is larger than the diameter of the lower part of the support cylinder (11) but smaller than the diameter of the upper part of the support cylinder (11).
The hollow shaft (4) extends out of the top of the hood (3), an inclined photovoltaic panel (2) is arranged at the top end of the hollow shaft through a transverse support, and a horizontally placed raindrop inductor (1) is fixedly arranged at the top of the photovoltaic panel (2); an electromagnetic lock (8) is arranged above the supporting framework (6), the height of a lock body of the electromagnetic lock (8) is lower than that of the blast cap framework (5), the top end of the electromagnetic lock (8) is 2cm higher than the blast cap framework (5) after a lock tongue of the electromagnetic lock is popped out, and a rechargeable battery (9) is arranged below the supporting framework (6); the photovoltaic panel (2) is electrically connected with the rechargeable battery (9), the electromagnetic lock (8) and the raindrop inductor (1) are electrically connected with the rechargeable battery (9), and connecting wires of the photovoltaic panel (2) and the raindrop inductor (1) penetrate through the top end and the lower end of the hollow shaft (4); the raindrop sensor (1) is connected with the electromagnetic lock (8) in a control way.
The middle part of the bracket (13) is provided with a human body induction LED lamp (12) with a lampshade, and the LED lamp (12) is electrically connected with the rechargeable battery (9).
The installation method of the device comprises the following steps: the cable cover plate (16) is provided with a hole, the hole is provided with a PVC pipe (15), the PVC pipe (15) is hermetically connected with the edge of the hole, the upper end of the PVC pipe (15) is 2cm higher than the cable cover plate (16), and the inner diameter of the PVC pipe (15) is larger than the diameter of the lower part of the support cylinder (11) but smaller than the diameter of the upper part of the support cylinder (11).
Claims (4)
1. The utility model provides an unpowered cable pit dehumidification extinguishing device which characterized in that: the wind cap (3) is arranged outside the hollow shaft (4), the wind cap (3) is an unpowered wind cap, the lower end of the wind cap (3) is fixedly connected with a wind cap barrel (10), a bearing is arranged between the top surface of the wind cap (3) and the hollow shaft (4), a bearing is also arranged between the disc (7) and the hollow shaft (4), the disc (7) is connected with one end of a wind cap framework (5), and the other end of the wind cap framework (5) is fixedly connected with the inner side of the wind cap barrel (10); the lower part of the hollow shaft (4) is fixedly connected with one end of a supporting framework (6), and the other end of the supporting framework (6) is fixedly connected with a supporting cylinder (11); the lower end of the supporting cylinder (11) is connected with an automatic fire extinguisher (14) through a bracket (13);
the hollow shaft (4) extends out of the top of the hood (3), an inclined photovoltaic panel (2) is arranged at the top end of the hollow shaft through a transverse support, and a horizontally placed raindrop inductor (1) is fixedly arranged at the top of the photovoltaic panel (2); an electromagnetic lock (8) is arranged above the supporting framework (6), the height of a lock body of the electromagnetic lock (8) is lower than that of the blast cap framework (5), the top end of the electromagnetic lock (8) is 1-3cm higher than the blast cap framework (5) after a spring bolt of the electromagnetic lock (8) is popped out, and a rechargeable battery (9) is arranged below the supporting framework (6); the photovoltaic panel (2) is electrically connected with the rechargeable battery (9), the electromagnetic lock (8) and the raindrop inductor (1) are electrically connected with the rechargeable battery (9), and connecting wires of the photovoltaic panel (2) and the raindrop inductor (1) penetrate through the top end and the lower end of the hollow shaft (4); the raindrop sensor (1) is in control connection with the electromagnetic lock (8); when raindrop inductor (1) senses raindrop, electromagnetic lock (8) spring bolt stretches out, blocks that hood skeleton (5) rotate.
2. The unpowered cable trench dehumidification fire extinguishing device according to claim 1, wherein: the middle part of the bracket (13) is provided with a human body induction LED lamp (12) with a lampshade, and the LED lamp (12) is electrically connected with the rechargeable battery (9).
3. The unpowered cable trench dehumidification fire extinguishing device according to claim 1, wherein: the automatic fire extinguisher (14) is a fire extinguishing bomb or a temperature-sensitive suspension dry powder fire extinguisher.
4. The unpowered cable trench dehumidification fire extinguishing apparatus according to any one of claims 1 to 3, wherein: the installation method of the device comprises the following steps: the cable cover plate (16) is provided with a hole, a PVC pipe (15) is arranged on the hole, the PVC pipe (15) is hermetically connected with the edge of the hole, the upper end of the PVC pipe (15) is 1-5cm higher than the cable cover plate (16), and the inner diameter of the PVC pipe (15) is larger than the diameter of the lower part of the supporting cylinder (11) but smaller than the diameter of the upper part of the supporting cylinder (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911255488.1A CN110947145B (en) | 2019-12-10 | 2019-12-10 | Unpowered cable trench dehumidification fire extinguishing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911255488.1A CN110947145B (en) | 2019-12-10 | 2019-12-10 | Unpowered cable trench dehumidification fire extinguishing apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110947145A CN110947145A (en) | 2020-04-03 |
| CN110947145B true CN110947145B (en) | 2020-11-27 |
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ID=69980571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911255488.1A Active CN110947145B (en) | 2019-12-10 | 2019-12-10 | Unpowered cable trench dehumidification fire extinguishing apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110947145B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013097203A1 (en) * | 2011-12-30 | 2013-07-04 | 天津市公安消防局 | Fire fighting apparatus and fire fighting method for electrical control room |
| CN204313453U (en) * | 2014-12-08 | 2015-05-06 | 刘锐 | Can the cable duct ventilating and exhausting device of fire alarm |
| CN205860336U (en) * | 2016-06-17 | 2017-01-04 | 杨大军 | The no-power air blower of sunlight can be imported |
| CN205809644U (en) * | 2016-07-22 | 2016-12-14 | 国网河南禹州市供电公司 | A kind of cable duct of substation monitoring and alarming system |
| CN206688059U (en) * | 2017-04-20 | 2017-12-01 | 国网湖南省电力公司 | The powered security protection system of fire for transformer and cable tunnel |
| CN109494596B (en) * | 2019-01-03 | 2020-09-01 | 国网山东省电力公司淄博供电公司 | Condensation-preventing non-power-assisted ventilation device of ring main unit |
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2019
- 2019-12-10 CN CN201911255488.1A patent/CN110947145B/en active Active
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| CN110947145A (en) | 2020-04-03 |
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