CN207264540U - One kind is used for the early warning of cable duct interior fires and automation fireplug - Google Patents
One kind is used for the early warning of cable duct interior fires and automation fireplug Download PDFInfo
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- CN207264540U CN207264540U CN201721124571.1U CN201721124571U CN207264540U CN 207264540 U CN207264540 U CN 207264540U CN 201721124571 U CN201721124571 U CN 201721124571U CN 207264540 U CN207264540 U CN 207264540U
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Abstract
One kind is used for the early warning of cable duct interior fires and automation fireplug, it includes data and shows acquisition module, alarm module, sensor group, aerosol fire-extinguishing module, communication module and fireplug body.Fireplug body provided by the utility model has the function of rain-proof, dust-proof, lightning protection etc.；Fireplug housing upper has maintenance door for display and warning device, fireplug side, to facilitate the maintenance maintenance of fireplug；The front of fireplug has switching push button, and for controlling the display parameters of display device to switch between gas concentration and temperature, maintenance door has carried out special processing in commissure, to ensure commissure waterproof and dustproof；Low in view of summer temperature height, winter temperature, the utility model sets different alarms with mixed gas concentration to temperature and is combined with fire extinguishing data, effectively prevents the generation reported by mistake, failed to report；System power supply passes through reliability design, it is ensured that the high reliability and high stability of the electric power system of fireplug.
Description
Technical field
It the utility model is related to fire extinguishing control technology field, and in particular to one kind is for the early warning of cable duct interior fires and certainly
The control device of dynamicization alarm.
Background technology
In substation builds, the low-voltage-powered cable, control cable, communication electricity of electricity system inevitably occurs
The optical cable laying in one ditch that cable and relay protection, automated system use.Certain heat can be produced in power cable operation, is added
Other a variety of causes, just in case wherein a cable is on fire, will prolong combustion rapidly.Ignition of cable can not only burn cable itself, and
And related burn controls cable, optical cable, causes power grid accident.Therefore, whether the synthesis fire prevention measure of cable duct is reliable, to the peace of power grid
Row for the national games has very important significance.
Current cable duct of substation fire prevention measure is relatively simple, and fire resisting wall is still most important means；In addition also have
Some are monitored for the real-time of cable duct, but are concentrated mainly on temperature monitoring, and are not locally displayed or are locally displayed not
It is enough directly perceived；With the combined diagnosis algorithm of gas-monitoring and temperature monitoring carry out fire behavior anticipation device currently without；Will display
Device, sensor group, extinguishing device and cable channel cover plate are combined into the device of a complete vertical fireplug, currently without.
Utility model content
In order to solve the above technical problems, the utility model, which provides one kind, is used for the early warning of cable duct interior fires and automation
Fireplug, it includes data and shows acquisition module, alarm module, sensor group, aerosol fire-extinguishing module, communication module and fire extinguishing
Bolt body；
The alarm module, sensor group, aerosol fire-extinguishing module, communication module show collection mould with the data respectively
Block connects, and the data show that acquisition module, alarm module are respectively arranged on the top of the fiery bolt body, the sensor group,
Aerosol fire-extinguishing module is arranged on the bottom of the fireplug body；
Sensor group includes temperature sensor, gas sensor, and the temperature sensor, gas sensor are deeply to cable
Temperature in ditch in detection cable ditch is sent to the data with mixed gas content Data Concurrent shows acquisition module；
The data show temperature that acquisition module receives and mixed gas content data and are shown by display
Show, when the temperature exceedes alarm threshold value with mixed gas content data, the data show that acquisition module sends alarm signal
Number to the alarm module, the alarm module performs alarm；When the temperature and mixed gas content data exceed fire extinguishing threshold
During value, while the data show that acquisition module sends a command to the aerosol fire-extinguishing module, the aerosol fire-extinguishing module
Fire-retardant gas is discharged into cable duct；
The communication module receive the data show acquisition module by temperature and mixed gas content Data Concurrent send to
Remote monitoring end.
It is preferred that the gas sensor, using air quality gas sensors such as MP503, which is used for adopting
Mixed gas concentration in cable duct during fire occurs for collection, and mixed gas includes smog, formaldehyde, ethene, and temperature sensor uses
18B20 digital temperature sensors.
It is preferred that the data show that acquisition module includes MCU, numeral method device and system power supply, the system electricity
Source is the alarm module, the power supply of sensor group, aerosol fire-extinguishing module, communication module, the system power supply output voltage bag
24V, 5V and 3.3V are included, wherein 5V and 3.3V are converted by 24V, and the 24V in simultaneity factor power supply is aerosol fire-extinguishing
Module for power supply, 5V is communication module, the power supply of gas sensor, alarm module, digital tube display module, and 3.3V is MCU and temperature
Sensor is powered.
It is preferred that the system power supply includes chip LM2576, TVS pipe, rectifier bridge D4, varistor RV, the first high frequency
Magnetic bead FB1, the second high frequency magnetic bead FB2, common mode inductance L1, fuse R64；
The system power supply by chip LM2576 exterior 24V DC power supplies can be transformed into+5V needed for system and+
The instantaneous pressure that 3.3V, wherein TVS pipe (D4) are used to protect circuit system to be subject to impacts, when exterior instantaneous pressure, the TVS
Pipe moment is able to maintain that the voltage at TVS pipe both ends as 36V or so equivalent to short circuit, so as to protect the high pressure of system to rush
Hit；Rectifier bridge D4 be used to ensureing external voltage positive-negative connected can reliably working, either just connect, or reversal connection, obtain below
All it is forward voltage, wherein RV is varistor, its effect is similar with TVS, but the power of varistor is larger, response speed
It is slightly slower than TVS, the absorption high voltage surge at end is entered for power supply, FB1 and FB2 is high frequency magnetic bead, for suppressing high-frequency signal, and will
High-frequency signal is consumed in the form of thermal energy, while FB1 and FB2 can also balance RV and the corresponding speed of TVS is poor, and L1 is common mode electricity
Feel, the common mode interference in main suppression circuit, play the role of EMI filtering, R64 is fuse, and maximum current is no more than
200mA, the recommendation circuit that the circuit behind fuse is chip LM2576.
It is preferred that the fireplug body is equipped with switching switch and maintenance door, the switching switch is shown with the data
Acquisition module connects, the parameter shown for switching the data display acquisition module.
It is preferred that the fireplug body bottom portion is connected with cable channel cover plate, the cable channel cover plate is stainless steel,
Perforate among the cable channel cover plate, is the outlet of sensor group, aerosol fire-extinguishing module；Cable channel cover plate is convex shape,
The convex shape part is reliably connected with fireplug by bolt, and fireplug and cover board is closely sealed integral.
The utility model has the advantages that：
Fireplug body part is cast by stainless steel, and cable channel cover plate is convex shape, convex shape part and fireplug
It is reliably connected by bolt, fireplug and cover board is closely sealed integral, it can so ensure the water-proof function of fireplug, fireplug
Body part is also cast by stainless steel.Fireplug body has the function of rain-proof, dust-proof, lightning protection etc..Fireplug housing upper is aobvious
Show and there are maintenance door in warning device, fireplug side, to facilitate the maintenance maintenance of fireplug；Pressed with switching in the front of fireplug
Button, for controlling the display parameters of display device to switch between gas concentration and temperature, maintenance door has carried out spy in commissure
Different processing, to ensure commissure waterproof and dustproof；
Low in view of summer temperature height, winter temperature, the utility model sets difference to temperature and mixed gas concentration
Alarm with fire extinguishing data combine, effectively prevent the generation reported by mistake, failed to report；
Pass through the setting of system power supply, it is ensured that the high reliability and high stability of the electric power system of fireplug.
Certainly, any product for implementing the utility model does not necessarily require achieving all the advantages described above at the same time.
Brief description of the drawings
In order to illustrate more clearly of the technical solution of the utility model embodiment, make required for being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the utility model,
For those of ordinary skill in the art, without creative efforts, can also be obtained according to these attached drawings
Other attached drawings.
Fig. 1 is fireplug surface structure schematic diagram provided by the utility model；
Fig. 2 is fireplug perspective structure figure provided by the utility model；
Fig. 3 is fireplug front view provided by the utility model；
Fig. 4 is fireplug bottom of device structure chart provided by the utility model；
Fig. 5 is fireplug device pedestal top view provided by the utility model
Fig. 6 is system power supply circuit diagram provided by the utility model；
Fig. 7 is fireplug functional block diagram provided by the utility model；
Fig. 8 is system power supply schematic diagram provided by the utility model.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without creative efforts
The all other embodiment obtained, shall fall within the protection scope of the present invention.
As shown in Figure 1,2,3, 4, the utility model embodiment provide it is a kind of be used for the early warning of cable duct interior fires and from
Dynamicization fireplug, it includes data and shows acquisition module 1, alarm module 2, sensor group 9 and 10, aerosol fire-extinguishing module 8, logical
Believe module 6 and fireplug body 3；
The alarm module 2, sensor group 9 and 10, aerosol fire-extinguishing module 8, communication module 6 are shown with the data respectively
Show that acquisition module 1 connects, the data show that acquisition module 1, alarm module 2 are respectively arranged on the top of the fireplug body 3,
The sensor group 9 and 10, aerosol fire-extinguishing module 8 are arranged on the bottom of the fireplug body 3；Put out a fire described in the present embodiment
Bolt body 3 is equipped with switching switch 5 and maintenance door 4, and the switching switch 5 shows that acquisition module 1 is connected with the data, for cutting
Change the data and show the parameter that acquisition module 1 is shown；3 bottom of fireplug body is connected with cable channel cover plate 7, the electricity
Cable trench cover 7 is stainless steel, the 7 middle perforate of cable channel cover plate, is gone out for sensor group, aerosol fire-extinguishing module
Mouthful；Cable channel cover plate 7 is convex shape, and the convex shape part is reliably connected by bolt with fireplug body 3, will put out a fire
Bolt body 3 is closely sealed integral with cable channel cover plate 7.
Sensor group includes temperature sensor 9, gas sensor 10, and the temperature sensor 9, gas sensor 10 go deep into
Temperature in cable duct in detection cable ditch is sent to the data with mixed gas content Data Concurrent shows acquisition module 1；
The data show temperature that acquisition module 1 receives and mixed gas content data and are shown by display
Show, when the temperature exceedes alarm threshold value with mixed gas content data, the data show that acquisition module 1 sends alarm signal
Number to the alarm module 2, the alarm module 2 performs alarm；When the temperature and mixed gas content data exceed fire extinguishing
During threshold value, the data show that acquisition module 1 sends a command to the aerosol fire-extinguishing module 8, the aerosol fire-extinguishing module 8
Fire-retardant gas is discharged into cable duct；
The communication module 6 receives the data and shows that acquisition module 1 send temperature and mixed gas content Data Concurrent
To remote monitoring end.
Gas sensor 10 described in the present embodiment is using the air quality gas sensors such as MP503, the gas sensor
10 are used for gathering mixed gas concentration when fire occurs in cable duct, and mixed gas includes smog, formaldehyde, ethene, and temperature passes
Sensor 9 uses 18B20 digital temperature sensors.
In the present embodiment, the temperature data is set with the first estate threshold respectively with mixed gas concentration data from high to low
Value, the second grade threshold, tertiary gradient threshold value, it then follows following algorithm is alarmed or extinguishing action output；
The fire extinguishing threshold value includes scenario described below：
When temperature data or the mixed gas concentration data reach the first estate threshold value；
The temperature data is with mixed gas concentration data one of which data more than the second grade threshold, another item data
More than tertiary gradient threshold value；
The alarm threshold value includes scenario described below：
The temperature data is the second grade threshold with the item data in mixed gas concentration data, and another item data is
Fourth estate threshold value；
The temperature data and an item data of mixed gas concentration data kind are tertiary gradient threshold value, and another item data is
Fourth estate threshold value or tertiary gradient threshold value.
By temperature according to three grades threshold value is just divided into, temperature is more high-grade higher, is then highest as temperature reaches 60
The first estate threshold value, the second grade threshold, tertiary gradient threshold value be 50,40, concentration is also classified into four grades, and concentration is more high
Level is higher, is then highest the first estate threshold value as concentration reaches 700ppm, the second grade threshold, tertiary gradient threshold value difference
For 500ppm, 300ppm, therefore temperature shares 16 kinds with concentration combines, and various combination represents different implementing results.Work as temperature
Less than 40 degree, and gas concentration is less than 300ppm, then belongs to normal work；When temperature reaches 40 degree and concentration reaches 300ppm
When, then perform actuation of an alarm；When temperature reaches 40 degree and concentration reaches 700ppm, then extinguishing action is performed.The present embodiment is not
Concrete example explanation is carried out to each case.
As shown in Fig. 6, Fig. 7, Fig. 8, the data show that acquisition module 1 includes MCU, numeral method device and system electricity
Source, the system power supply is the alarm module 2, sensor group, aerosol fire-extinguishing module 8, communication module 6 are powered, the system
System electric power output voltage includes 24V, 5V and 3.3V, and wherein 5V and 3.3V are converted by 24V, in simultaneity factor power supply
24V powers for aerosol fire-extinguishing module 8, and 5V is communication module 6, gas sensor 10, alarm module 2, digital tube display module
Power supply, 3.3V are that MCU and temperature sensor 9 are powered.
Wherein described system power supply includes chip LM2576, TVS pipe, rectifier bridge D4, varistor RV, the first high frequency magnetic bead
FB1, the second high frequency magnetic bead FB2, common mode inductance L1, fuse R64；
The system power supply by chip LM2576 exterior 24V DC power supplies can be transformed into+5V needed for system and+
The instantaneous pressure that 3.3V, wherein TVS pipe (D4) are used to protect circuit system to be subject to impacts, when exterior instantaneous pressure, the TVS
Pipe moment is able to maintain that the voltage at TVS pipe both ends as 36V or so equivalent to short circuit, so as to protect the high pressure of system to rush
Hit；Rectifier bridge D4 be used to ensureing external voltage positive-negative connected can reliably working, either just connect, or reversal connection, obtain below
All it is forward voltage, wherein RV is varistor, its effect is similar with TVS, but the power of varistor is larger, response speed
It is slightly slower than TVS, the absorption high voltage surge at end is entered for power supply, FB1 and FB2 is high frequency magnetic bead, for suppressing high-frequency signal, and will
High-frequency signal is consumed in the form of thermal energy, while FB1 and FB2 can also balance RV and the corresponding speed of TVS is poor, and L1 is common mode electricity
Feel, the common mode interference in main suppression circuit, play the role of EMI filtering, R64 is fuse, and maximum current is no more than
200mA, the recommendation circuit that the circuit behind fuse is chip LM2576.
The utility model has the advantages that：
Fireplug body part is cast by stainless steel, and cable channel cover plate is convex shape, convex shape part and fireplug
It is reliably connected by bolt, fireplug and cover board is closely sealed integral, it can so ensure the water-proof function of fireplug, fireplug
Body part is also cast by stainless steel.Fireplug body has the function of rain-proof, dust-proof, lightning protection etc..Fireplug housing upper is aobvious
Show and there are maintenance door in warning device, fireplug side, to facilitate the maintenance maintenance of fireplug；Pressed with switching in the front of fireplug
Button, for controlling the display parameters of display device to switch between gas concentration and temperature, maintenance door has carried out spy in commissure
Different processing, to ensure commissure waterproof and dustproof；
Low in view of summer temperature height, winter temperature, the utility model sets difference to temperature and mixed gas concentration
Alarm with fire extinguishing data combine, effectively prevent the generation reported by mistake, failed to report；
Pass through the setting of system power supply, it is ensured that the high reliability and high stability of the electric power system of fireplug.The above is public
The preferred embodiment in the utility model opened is only intended to help and illustrates the utility model.Preferred embodiment does not have detailed descriptionthe institute
Some details, it is only the embodiment also not limit the utility model.Obviously, can according to the content of this specification
Make many modifications and variations.This specification is chosen and specifically describes these embodiments, is new in order to preferably explain this practicality
The principle and practical application of type, so that skilled artisan can be best understood by and utilize the utility model.This
Utility model is limited only by the claims and their full scope and equivalents.
Claims (6)
1. one kind is used for the early warning of cable duct interior fires and automation fireplug, it is characterised in that shows collection mould including data
Block, alarm module, sensor group, aerosol fire-extinguishing module, communication module and fireplug body；
The alarm module, sensor group, aerosol fire-extinguishing module, communication module show that acquisition module connects with the data respectively
Connect, the data show that acquisition module, alarm module are respectively arranged on the top of the fiery bolt body, and the sensor group, gas are molten
Glue fire suppression module is arranged on the bottom of the fireplug body；
Sensor group includes temperature sensor, gas sensor, and the temperature sensor, gas sensor go deep into cable duct
Temperature in detection cable ditch is sent to the data with mixed gas content Data Concurrent shows acquisition module；
The data show temperature that acquisition module receives and mixed gas content data and are shown by display, when
When the temperature exceedes alarm threshold value with mixed gas content data, the data show that acquisition module sends alarm signal to institute
Alarm module is stated, the alarm module performs alarm；When the temperature and mixed gas content data exceed fire extinguishing threshold value, together
Shi Suoshu data show that acquisition module sends a command to the aerosol fire-extinguishing module, and the aerosol fire-extinguishing module is to cable duct
Interior release fire-retardant gas；
The communication module receives the data and shows that acquisition module send temperature and mixed gas content Data Concurrent to long-range
Monitoring client.
2. it is used for the early warning of cable duct interior fires and automation fireplug as claimed in claim 1, it is characterised in that the gas
Using air quality gas sensors such as MP503, which is used for gathering when fire occurs in cable duct body sensor
Mixed gas concentration, mixed gas includes smog, formaldehyde, ethene, and temperature sensor uses 18B20 digital temperature sensors.
3. it is used for the early warning of cable duct interior fires and automation fireplug as claimed in claim 2, it is characterised in that the number
Include MCU, numeral method device and system power supply according to display acquisition module, the system power supply is the alarm module, sensing
Device group, aerosol fire-extinguishing module, communication module power supply, the system power supply output voltage include 24V, 5V and 3.3V, wherein 5V
With 3.3V converted by 24V, the 24V in simultaneity factor power supply is aerosol fire-extinguishing module for power supply, 5V is communication module,
Gas sensor, alarm module, digital tube display module power supply, 3.3V power for MCU and temperature sensor.
4. it is used for the early warning of cable duct interior fires and automation fireplug as claimed in claim 3, it is characterised in that the system
Power supply of uniting includes chip LM2576, TVS pipe, rectifier bridge D4, varistor RV, the first high frequency magnetic bead FB1, the second high frequency magnetic bead
FB2, common mode inductance L1, fuse R64；
Exterior 24V DC power supplies can be transformed into+5V and+3.3V needed for system by chip LM2576 by the system power supply,
The instantaneous pressure that wherein TVS pipe (D4) is used to protect circuit system to be subject to impacts, when exterior instantaneous pressure, the TVS pipe wink
Between equivalent to short circuit, while the voltage at TVS pipe both ends is able to maintain that as 36V or so, so as to protect the impacting with high pressure of system；It is whole
Stream bridge D4 be used to ensureing external voltage positive-negative connected can reliably working, either just connect, or reversal connection, what is obtained below is all just
To voltage, wherein RV is varistor, its effect is similar with TVS, but the power of varistor is larger, and response speed compares TVS
It is slightly slow, the absorption high voltage surge at end is entered for power supply, FB1 and FB2 is high frequency magnetic bead, for suppressing high-frequency signal, and by high frequency
Signal is consumed in the form of thermal energy, while FB1 and FB2 can also balance RV and the corresponding speed of TVS is poor, and L1 is common mode inductance,
Common mode interference in main suppression circuit, plays the role of EMI filtering, and R64 is fuse, and maximum current is no more than 200mA, protects
The recommendation circuit that circuit behind dangerous silk is chip LM2576.
5. it is used for the early warning of cable duct interior fires and automation fireplug as claimed in claim 1, it is characterised in that described to go out
Fiery bolt body is equipped with switching switch and maintenance door, and the switching switch shows that acquisition module is connected with the data, for switching
The data show the parameter that acquisition module is shown.
6. it is used for the early warning of cable duct interior fires and automation fireplug as claimed in claim 1, it is characterised in that described to go out
Fiery bolt body bottom portion is connected with cable channel cover plate, and the cable channel cover plate is stainless steel, is opened among the cable channel cover plate
Hole, is the outlet of sensor group, aerosol fire-extinguishing module；Cable channel cover plate is convex shape, and the convex shape part is with going out
Fiery bolt is reliably connected by bolt, and fireplug and cover board is closely sealed integral.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721124571.1U CN207264540U (en) | 2017-09-04 | 2017-09-04 | One kind is used for the early warning of cable duct interior fires and automation fireplug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721124571.1U CN207264540U (en) | 2017-09-04 | 2017-09-04 | One kind is used for the early warning of cable duct interior fires and automation fireplug |
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| Publication Number | Publication Date |
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| CN207264540U true CN207264540U (en) | 2018-04-20 |
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ID=61923558
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| CN201721124571.1U Active CN207264540U (en) | 2017-09-04 | 2017-09-04 | One kind is used for the early warning of cable duct interior fires and automation fireplug |
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| CN (1) | CN207264540U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107545694A (en) * | 2017-10-23 | 2018-01-05 | 国网安徽省电力公司安庆供电公司 | One kind is used for the early warning of cable duct interior fires and automation fireplug |
| CN112933468A (en) * | 2021-03-17 | 2021-06-11 | 国网湖南省电力有限公司 | Intelligent fire extinguishing bomb for cable trench and application method thereof |
-
2017
- 2017-09-04 CN CN201721124571.1U patent/CN207264540U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107545694A (en) * | 2017-10-23 | 2018-01-05 | 国网安徽省电力公司安庆供电公司 | One kind is used for the early warning of cable duct interior fires and automation fireplug |
| CN112933468A (en) * | 2021-03-17 | 2021-06-11 | 国网湖南省电力有限公司 | Intelligent fire extinguishing bomb for cable trench and application method thereof |
| CN112933468B (en) * | 2021-03-17 | 2023-09-12 | 国网湖南省电力有限公司 | Intelligent fire extinguishing bomb for cable duct and application method thereof |
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