CN207268901U - Air suction type cable fire early warning system - Google Patents
Air suction type cable fire early warning system Download PDFInfo
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- CN207268901U CN207268901U CN201721416468.4U CN201721416468U CN207268901U CN 207268901 U CN207268901 U CN 207268901U CN 201721416468 U CN201721416468 U CN 201721416468U CN 207268901 U CN207268901 U CN 207268901U
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Abstract
The utility model discloses a kind of air suction type cable fire early warning system, including gas detection cell, air pressure detecting unit, and sequentially connected impinger, moisture separator, sensing chamber and wind turbine, and a solenoid valve is respectively equipped with the connecting tube between impinger and moisture separator；Gas detection cell includes some be arranged on and detects gas sensor that is indoor and being connected with microprocessor.The application is delivered to sensing chamber successively using the air that air acquisition pipe collects monitoring point, and the cable operating status of collection point can be monitored in real time by analyzing the content of cable overheat decomposition gas in air, it is possible to achieve heat spot is accurately positioned.Then the application opens the solenoid valve for needing collection point, to sensing chamber is entered, sensing chamber's air pressure rise, has been entered in sensing chamber the gas of acquisition port with the definite gas extracted also uniquely using first pipeline is vacuumized.
Description
Technical field
It the utility model is related to a kind of air suction type cable fire early warning system.
Background technology
Statistics shows, most fire in power generation is all caused by cable fault, wherein cable and connector mistake
Heat accounts for the 80% of cable fault.Power cable and cable connector are because its is widely distributed, line levels are concentrated and longtime running, electricity
Gas apparatus overload, overheat, the fire hazard of short circuit are more, and the sprawling after having inflammability and catching fire, accident occurrence frequency is high,
The features such as damage sequence is serious, is classified as one of 25 major accident precautionary measures by power industry, while is also monitoring technology
It is weak, it is difficult to one of accident of prevention, in NFA regulation clearly stipulate that cable tunnel or cable floor must install fire from
Dynamic alarm system.Therefore, if realizing cable and accurate, the fast slowdown monitoring of cable connector operating status, early warning is sent in time simultaneously
It can quickly solve, there is very big realistic meaning to electricity power enterprise's safety in production, and significant society and economic effect will be produced
Benefit.
The regular manual inspection mode of conventional management mode and technical method routinely supervise cable operation conditions
Depending on not only time-consuming and laborious, and measured data are not accurate enough, without continuity, without reference value；All kinds of cables to put into operation
Most of fire alarm technology can only accomplish that fire occurs just to alarm, and have significant limitation, therefore current highly desirable one
Kind adapts to the real-time monitoring cable operating status of cable interlayer and cable duct, alarms in advance in time after noting abnormalities, so as to keep away
Exempt from the generation of cable fire.
Utility model content
The purpose of this utility model is to provide a kind of air suction type cable fire early warning system, can monitor cable operation in real time
State, detection quick and precisely, can pinpoint the problems, with early warning fire in time.
In order to solve the above technical problems, the utility model provides a kind of air suction type cable fire early warning system, including gas
Detection unit, and sequentially connected impinger, moisture separator, sensing chamber and wind turbine；The impinger and water
A solenoid valve is respectively equipped with connecting tube between gas separating device；The gas detection cell is arranged on the inspection including some
Survey the indoor gas sensor for being used to analyze wherein gas ingredients；The sensing chamber connects with an aspiration pump, the aspiration pump
With entrance of the solenoid valve for controlling gas in sensing chamber；The gas sensor and baroceptor with a microprocessor
Input terminal connects, and the output terminal of the microprocessor is connected to Remote Terminals for Weather Servics.
Further, which further includes pure air backwash unit, pure air backwash unit include with
The backwash steam air accumulator for being used to store backwash steam of the second air inlet pipe connection of the wind turbine.
Further, the impinger includes conduit enclosure body and the pipeline being arranged in the conduit enclosure body
Inner housing, and the conduit enclosure body and pipeline inner housing are arranged concentrically；The top of the pipeline inner housing is equipped with block, described
The openend of pipeline inner housing is extended into the block, and the other end is connected with the connecting tube；Outside the pipeline inner housing
Fixed between side wall and the madial wall of block by connecting portion, and the connecting portion is equipped with air hole.
Further, it is equipped with baffle plate on the madial wall of the conduit enclosure body and the lateral wall of the block.
Further, the bottom of the madial wall of the pipeline inner housing is equipped with water sensor.
Further, which, which further includes, is arranged on the indoor air pressure detecting unit of detection, for detecting the system
Air-tightness.
Further, the system further include with the standard source of the gas air accumulator that connects of the detection sensing chamber, by periodically to
Standard source of the gas is filled with sensing chamber with the performance of automatic detection sensor and passes server analysis record back.
The beneficial effects of the utility model are：The application by burying at least one air acquisition pipe respectively in monitoring point, then
The air that all monitoring points collect is delivered to sensing chamber to be detected, the content of gas is decomposed according to cable overheat in air
The cable operating status of monitoring point can be monitored in real time, and due to only needing detecting a set of sensor device of indoor location, no
Need each monitoring point that the sensor device of the whole series is installed, save installation cost.In addition, the air suction type cable fire early warning
When system works, all monitoring point solenoid valves are first closed, pipeline is vacuumized so that whether the leakproofness of detecting system is normal, if
It is abnormal to can record and send sealing problem warning message；System well opens the electricity for needing collection point in confirmation leakproofness afterwards
Magnet valve, the gas of acquisition port have arrived detection unit, and air pressure can just raise, and be known that the gas of pumping has arrived sensing chamber；Detect next
Both the above step is repeated when a monitoring point to be periodically detected.
Brief description of the drawings
Attached drawing described herein is used for providing further understanding of the present application, the part of the application is formed, at this
The same or similar part, the schematic description and description of the application are represented using identical reference number in a little attached drawings
For explaining the application, the improper restriction to the application is not formed.In the accompanying drawings：
Fig. 1 is the structure diagram of the impinger of the utility model one embodiment；
Fig. 2 is the structure diagram of the utility model one embodiment.
Wherein：1st, impinger；11st, conduit enclosure body；12nd, pipeline inner housing；13rd, block；14th, connecting tube；15th, water
Soak sensor；16th, baffle plate；17th, connecting portion；2nd, moisture separator；3rd, sensing chamber；4th, wind turbine；41st, air filter；42nd, it is anti-
Rinse steam air accumulator；5th, gas sensor；6th, baroceptor；7th, microprocessor；8th, Remote Terminals for Weather Servics；9th, aspiration pump；
10th, solenoid valve.
Embodiment
Air suction type cable fire early warning system as shown in Figure 1, including gas detection cell, air pressure detecting unit, and
Sequentially connected impinger 1, moisture separator 2, sensing chamber 3 and wind turbine 4.
The gas detection cell includes some gas sensors 5 being arranged in the sensing chamber 3；The air pressure detection
Unit includes the aspiration pump 9 connected with the sensing chamber 3, and is arranged in 3 aspiration pump of sensing chamber described for detecting
The baroceptor 6 of air pressure in sensing chamber 3；The input of the gas sensor 5 and baroceptor 6 with a microprocessor 7
End connection, the output terminal of the microprocessor 7 are connected to Remote Terminals for Weather Servics 8.
Wind turbine 4 is used to the air of monitoring point being introduced into sensing chamber 3, and gas sensor is for electricity in the air to collecting
The concentration that cable overheat decomposes gas is monitored in real time, and at the same time sends monitoring data to microprocessor 7, microprocessor in real time
The 7 received data of docking carry out processing generation detection record, and will will survey record and send to Remote Terminals for Weather Servics 8；Meanwhile micro- place
Reason device 7 docks the concentration of received cable overheat decomposition gas and predetermined threshold value concentration is compared in real time, if contrast finds to work as
Before monitor cable overheat decompose gas cable overheat decompose gas concentration be more than predetermined threshold value concentration, then to remote service
Terminal 8 sends alarm signal.Wherein, the data received are carried out by processing generation detection record, Yi Jitong by microprocessor 7
Cross microprocessor 7 dock received cable overheat decompose the concentration of gas and predetermined threshold value concentration compared in real time and according to than
The concrete operating principle that relatively result obtains alarm signal is the prior art, and details are not described herein again.
Between operation is detected, the company being arranged between all impingers 1 and moisture separator 2 is closed
Solenoid valve 10 in adapter 14, starts aspiration pump 9, and aspiration pump 9 works, since all solenoid valves 10 are in closed mode, detection
Negative pressure is produced in room 3, the negative pressure value of the generation of current detection room 3 is detected by baroceptor 6 and sends the negative pressure value to micro-
Processor 7, microprocessor 7 by the negative pressure value that baroceptor 6 detects compared with theoretical negative pressure value, if it keeps and reason
Consistent by negative pressure value, then the air-tightness for illustrating system is good, if its negative pressure value is less than theoretical negative pressure value, illustrates system gas
Close property is bad, and microprocessor 7 is to send air-tightness of the alarm signal prompting staff to system to Remote Terminals for Weather Servics 8 at this time
It is detected.Wherein, by microprocessor 7 to the negative pressure value that detects compared with theoretical negative pressure value, and at the same time according to than
The concrete operating principle that relatively result produces alarm signal is the prior art, and details are not described herein again.
According to one embodiment of the application, which further includes pure air backwash unit, and the pure air is anti-
The backwash steam air accumulator for being used to store backwash steam that rinsing unit includes connecting with the second air inlet pipe of the wind turbine 4
42.In the intervals of business, unit can be backwashed by net air to backwash system, steam will be backwashed by wind turbine 4
In back flush gas introducing system in air accumulator 42, internal system is cleaned.
According to one embodiment of the application, the impinger 1 includes conduit enclosure body 11 and is arranged on described
Pipeline inner housing 12 in conduit enclosure body 11, and the conduit enclosure body 11 and pipeline inner housing 12 are arranged concentrically；The pipe
The top of road inner housing 12 is equipped with block 13, and the openend of the pipeline inner housing 12 is extended into the block 13, the other end
Connected with the connecting tube 14；It is solid by connecting portion 17 between the lateral wall of the pipeline inner housing 12 and the madial wall of block 13
It is fixed, and the connecting portion 17 is equipped with air hole.
In the course of work, gas enters impinger 1 by the openend at the top of conduit enclosure body 11, then passes through setting
The air hole on connecting portion 17 between the lateral wall of pipeline inner housing 12 and the madial wall of block 13 enters pipeline inner housing
12, then entered by connecting tube 14 and aqueous vapor separating treatment is carried out in moisture separator 2.Since the openend of pipeline inner housing 12 is hung down
Directly extend upwardly into the block 13, when cable shaft is intake, can prevent liquid from entering in system.
According to one embodiment of the application, on the madial wall of the conduit enclosure body 11 and the lateral wall of the block 13
Baffle plate 16 is equipped with, the steam in air can tentatively be filtered.
According to one embodiment of the application, the bottom of the madial wall of the pipeline inner housing 12 is equipped with water sensor
15, the detection of gas point can still be worked normally after water submerged, and cable shaft flooded condition can be monitored in real time, when
When cable shaft is intake, flooded condition can be recorded and send alarm signal prompting staff in time, in order to which staff can
With take measures on customs clearance in time (as closed solenoid valve 10 in time), and can ensure initial stage can also in water inlet for moisture separator 2
Normal work.
According to one embodiment of the application, the exhaust outlet of the wind turbine 4 is equipped with air filter 41, can be to detecting gas
The cable overheat of body opening is decomposed gas cable overheat decomposition gas and is filtered.
When the air suction type cable fire early warning system works, all monitoring point solenoid valves 10 are first closed, pipeline is vacuumized
It is whether normal with the leakproofness of detecting system, if abnormal can record and send sealing problem warning message；System is true
Recognize leakproofness and well open the solenoid valve 10 for needing collection point afterwards, the gas of acquisition port has arrived sensing chamber, and air pressure can just raise, just
Know that the gas of pumping has arrived sensing chamber；Both the above step is repeated when detecting next monitoring point to be periodically detected.
In addition, the application is additionally provided with the standard source of the gas holding vessel connected with sensing chamber 3, standard source of the gas is one gas of detection
Sensor whether the major criterion of misalignment.Standard source of the gas is periodically filled with into sensing chamber 3 and completes the on-line automatic school gas biography of system
Sensor, so that system time is maintained at optimum state.
Finally illustrate, above example is merely intended for describing the technical solutions of the present application, but not for limiting the present application, although ginseng
The utility model is described in detail according to preferred embodiment, it will be understood by those of ordinary skill in the art that, can be to this
The technical solution technical scheme is modified or replaced equivalently of utility model, without departing from the objective and model of technical solutions of the utility model
Enclose, it should all cover among the right of the utility model.
Claims (7)
1. a kind of air suction type cable fire early warning system, it is characterised in that including gas detection cell, and sequentially connected sky
Gas collector, moisture separator, sensing chamber and wind turbine；In connecting tube between the impinger and moisture separator respectively
Equipped with a solenoid valve；
The gas detection cell includes some indoor gases for being used to analyze wherein gas componant of the detection that are arranged on and passes
Sensor；
The sensing chamber connects with an aspiration pump, and the aspiration pump and solenoid valve are used for the entrance for controlling gas in sensing chamber；
The input terminal of the gas sensor and baroceptor with a microprocessor is connected, the output terminal of the microprocessor
It is connected to Remote Terminals for Weather Servics.
2. air suction type cable fire early warning system according to claim 1, it is characterised in that the system further includes clean sky
Gas backwashes unit, and what the pure air backwash unit included connecting with the second air inlet pipe of the wind turbine is used to store anti-
Rinse the backwash steam air accumulator of steam.
3. air suction type cable fire early warning system according to claim 2, it is characterised in that the impinger includes
Conduit enclosure body and the pipeline inner housing being arranged in the conduit enclosure body, and the conduit enclosure body and pipeline inner housing
It is arranged concentrically；The top of the pipeline inner housing is equipped with block, and the openend of the pipeline inner housing is extended into the block,
The other end is connected with the connecting tube；Consolidated between the lateral wall of the pipeline inner housing and the madial wall of block by connecting portion
It is fixed, and the connecting portion is equipped with air hole.
4. air suction type cable fire early warning system according to claim 3, it is characterised in that the conduit enclosure body it is interior
Baffle plate is equipped with side wall and the lateral wall of the block.
5. air suction type cable fire early warning system according to claim 3, it is characterised in that the pipeline inner housing it is interior
The bottom of side wall is equipped with water sensor.
6. air suction type cable fire early warning system according to claim 1, it is characterised in that the system, which further includes, to be arranged on
The indoor air pressure detecting unit of detection, for detecting the air-tightness of the system.
7. air suction type cable fire early warning system according to claim 1, it is characterised in that the system further include with it is described
The standard source of the gas air accumulator of sensing chamber's connection is detected, by being periodically filled with standard source of the gas into sensing chamber with automatic detection sensor
Performance and pass back server analysis record.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721416468.4U CN207268901U (en) | 2017-10-30 | 2017-10-30 | Air suction type cable fire early warning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721416468.4U CN207268901U (en) | 2017-10-30 | 2017-10-30 | Air suction type cable fire early warning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207268901U true CN207268901U (en) | 2018-04-24 |
Family
ID=61955367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721416468.4U Active CN207268901U (en) | 2017-10-30 | 2017-10-30 | Air suction type cable fire early warning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207268901U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110196378A (en) * | 2019-05-24 | 2019-09-03 | 北京海益同展信息科技有限公司 | Inside plant detection method, device, equipment and storage medium |
| CN114485792A (en) * | 2022-01-21 | 2022-05-13 | 国网山东省电力公司济南供电公司 | Device and method for monitoring fire condition of cable intermediate joint in cable trench |
-
2017
- 2017-10-30 CN CN201721416468.4U patent/CN207268901U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110196378A (en) * | 2019-05-24 | 2019-09-03 | 北京海益同展信息科技有限公司 | Inside plant detection method, device, equipment and storage medium |
| CN114485792A (en) * | 2022-01-21 | 2022-05-13 | 国网山东省电力公司济南供电公司 | Device and method for monitoring fire condition of cable intermediate joint in cable trench |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230505 Address after: 402760 No.92 Donglin Avenue, Biquan street, Bishan District, Chongqing Patentee after: Chongqing Xuanyi Intelligent Technology Co.,Ltd. Address before: 401121 Middle and rear 3/F, Building B, Mercury Science and Technology Building, High tech Park, New North Zone, Chongqing Patentee before: CHONGQING QINZHI TECHNOLOGY Co.,Ltd. |