CN112258770A - Underground pipe gallery's electric fire supervisory equipment - Google Patents
Underground pipe gallery's electric fire supervisory equipment Download PDFInfo
- Publication number
- CN112258770A CN112258770A CN202010975704.6A CN202010975704A CN112258770A CN 112258770 A CN112258770 A CN 112258770A CN 202010975704 A CN202010975704 A CN 202010975704A CN 112258770 A CN112258770 A CN 112258770A
- Authority
- CN
- China
- Prior art keywords
- carbon dioxide
- controller
- monitoring
- pipe gallery
- dioxide generator
- Prior art date
- 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.)
- Pending
Links
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 122
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 61
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 61
- 238000012544 monitoring process Methods 0.000 claims description 61
- 230000005611 electricity Effects 0.000 abstract description 6
- 238000009423 ventilation Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000008054 signal transmission Effects 0.000 description 3
- 230000008447 perception Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000009428 plumbing Methods 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/06—Electric actuation of the alarm, e.g. using a thermally-operated switch
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/12—Actuation by presence of radiation or particles, e.g. of infrared radiation or of ions
- G08B17/125—Actuation by presence of radiation or particles, e.g. of infrared radiation or of ions by using a video camera to detect fire or smoke
Landscapes
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Fire Alarms (AREA)
Abstract
The utility model relates to an electrical fire supervisory equipment of underground pipe gallery belongs to control technical field, including setting up the control box on the piping lane inner wall, the control box is located the top of piping lane, a plurality of ventilation holes have been seted up on the lateral wall of control box, be provided with the control subassembly in the control box, the control subassembly includes temperature sensor, controller and alarm, temperature sensor is used for transmitting the temperature signal in the piping lane for the controller, the controller is used for starting the alarm, temperature sensor is connected with the controller electricity, the controller is connected with the alarm electricity, still include carbon dioxide generator, carbon dioxide generator sets up the bottom at the control box, the controller is connected with carbon dioxide generator electricity. This application has the effect of being convenient for restrain the intensity of a fire increase.
Description
Technical Field
The application relates to the field of monitoring technology, especially, relate to an underground pipe gallery's electrical fire supervisory equipment.
Background
Utility tunnel, be exactly underground city pipeline utility corridor, build a tunnel space in the city underground promptly, with electric power, communication, the gas, the heat supply, various engineering pipelines such as plumbing collect in an organic whole, be equipped with special access hole, hoist and mount mouth and monitoring system, implement unified planning, unified design, unified construction and management, be the important infrastructure and the "lifeline" of guarantee city operation, because laid a large amount of cable duct in the piping lane, consequently often take place electric fire easily, for the sake of convenience carry out real time monitoring to the condition in the piping lane, generally can set up supervisory equipment in the piping lane.
The traditional Chinese patent with the publication number of CN208689714U discloses a fire monitoring and alarming device for a pipe gallery, which comprises a pipe gallery, wherein a gallery hole is formed in one side of the pipe gallery, a placing rack is fixedly installed on the inner wall of one side of the gallery hole, a plurality of pipelines are movably installed on the placing rack, a fixing plate is fixedly installed on the inner wall of one side of the gallery hole, a button alarm is fixedly installed on one side of the fixing plate, and the button alarm is matched with the pipelines; one side fixed mounting of fixed plate has the support column, and the fixed slot has been seted up to one side of support column, has all seted up on the both sides inner wall of fixed slot and has rotated the groove, and two rotate the inslot and all rotate and install the turning block, and the equal fixed mounting in one side that two turning blocks are close to each other has same dwang.
In view of the above-mentioned related art, the inventor thinks that when a fire breaks out, this monitoring alarm device pushes button alarm through the kicking block on the rotation post and triggers alarm switch, but the fire fighter also needs certain time to find the position of starting a fire and put out a fire, and the intensity of a fire of this period of time pipe gallery may become bigger, leads to putting out a fire the degree of difficulty and increases.
Disclosure of Invention
In order to facilitate restraining the fire increase, the application provides an electrical fire monitoring equipment of underground pipe gallery.
The application provides a pair of underground pipe gallery's electric fire supervisory equipment adopts following technical scheme:
the utility model provides an underground pipe gallery's electric fire supervisory equipment, is including setting up the control box on the piping lane inner wall, the control box is located the top of piping lane, a plurality of ventilation holes have been seted up on the lateral wall of control box, be provided with the control subassembly in the control box, the control subassembly includes temperature sensor, controller and alarm, temperature sensor is used for transmitting the temperature signal in the piping lane for the controller, the controller is used for starting the alarm, temperature sensor is connected with the controller electricity, the controller is connected with the alarm electricity, still includes carbon dioxide generator, carbon dioxide generator sets up the bottom at the control box, the controller is connected with the carbon dioxide generator electricity.
Through adopting above-mentioned technical scheme, during using this supervisory equipment, all install monitoring box and carbon dioxide generator in the piping lane, when the conflagration breaing out in the piping lane, the temperature risees in the piping lane, temperature sensor is after the perception temperature variation, give the controller with temperature signal transmission, the controller surpasses after a definite value at temperature signal, can start the alarm, the while controller still can drive carbon dioxide generator and start, carbon dioxide generator can produce carbon dioxide gas towards in the piping lane, thereby make the carbon dioxide gas concentration in the piping lane increase, carbon dioxide does not have the flammability and also does not have the flammability of helping, consequently can suppress the intensity of a fire increase before fire fighter arrives effectively, reduce fire fighter's the degree of difficulty of putting out a fire.
Optionally, set up connecting portion on the control box, connecting portion set up along control box's circumference, connecting portion pass through expansion bolts and fix to the piping lane inner wall on.
Through adopting above-mentioned technical scheme, the setting up of connecting portion makes the control box can more conveniently fix to the piping lane on, has improved the convenience of control box installation.
Optionally, the output end of the carbon dioxide generator is communicated with a connecting pipe, two sides of the connecting pipe, which are located on the connecting pipe, are provided with guide pipes, the guide pipes are communicated with the connecting pipe, and the guide pipes are respectively towards cables on two sides of the pipe gallery.
Through adopting above-mentioned technical scheme, after carbon dioxide generator produced carbon dioxide gas, carbon dioxide gas got into the connecting pipe from the output, in the guiding tube was got into through the connecting pipe afterwards, and the guiding tube is towards the cable of piping lane both sides to make carbon dioxide gas can diffuse the position of cable fast, thereby restrain the increase of intensity of a fire.
Optionally, be provided with the mounting bracket on the control box, the mounting bracket is located the below of control box, the carbon dioxide generator is located the mounting bracket, the mounting hole has been seted up on the mounting bracket, the connecting pipe is worn to locate in the mounting hole.
Through adopting above-mentioned technical scheme, when installation carbon dioxide generator, with carbon dioxide generator fixed to the mounting bracket on, link to each other connecting pipe and carbon dioxide generator's output again to make the connecting pipe pass the mounting hole, utilize the mounting bracket can fix carbon dioxide generator better, improved the convenience of carbon dioxide generator installation.
Optionally, the mounting bracket is provided with a connecting strut, and one end of the connecting strut, which is far away from the mounting bracket, is detachably connected with the monitoring box.
Through adopting above-mentioned technical scheme, utilize connecting branch to make the mounting bracket can be connected with the control box, when carbon dioxide generator need maintain or change, can dismantle connecting branch, take off carbon dioxide generator to make carbon dioxide generator's maintenance and change more convenient.
Optionally, the distance between two adjacent monitoring boxes is set to be 3m-4 m.
Optionally, a thermal infrared imager is arranged in the monitoring box.
By adopting the technical scheme, the position of a fire disaster and the size of the fire behavior can be accurately reflected by the thermal infrared imager, so that the fire extinguisher is more favorable for fire fighting of fire fighters.
Optionally, a fire-proof plate is arranged in the monitoring box.
Through adopting above-mentioned technical scheme, the equipment that can prevent to a certain extent in the monitoring box is burnt in the setting of PLASTIC LAMINATED.
In summary, the present application includes at least one of the following beneficial technical effects:
1. by arranging the monitoring box, arranging the temperature sensor and the controller in the monitoring box and arranging the carbon dioxide generator at the same time, when a fire disaster happens, the controller can start the carbon dioxide generator to increase the concentration of carbon dioxide in the pipe gallery, so that the increase of the fire is inhibited, and the fire extinguishing difficulty is reduced;
2. through set up the connecting pipe on carbon dioxide generator, set up the guiding tube on the connecting pipe again to make the guiding tube towards the cable in the piping lane, make carbon dioxide gas can diffuse the position of cable fast, restrain the intensity of a fire.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;
FIG. 2 is a schematic diagram illustrating a structure of the monitoring box in FIG. 1 according to an embodiment of the present application;
fig. 3 is a schematic diagram illustrating a structure of the carbon dioxide generator in fig. 1 according to an embodiment of the present application.
Description of reference numerals: 1. a monitoring box; 11. a vent hole; 12. a connecting portion; 2. a monitoring component; 21. a temperature sensor; 22. a controller; 23. an alarm; 24. a thermal infrared imager; 3. a carbon dioxide generator; 31. a connecting pipe; 32. a guide tube; 4. a mounting frame; 41. mounting a plate; 411. mounting holes; 42. connecting the supporting rod.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses underground pipe gallery's electrical fire supervisory equipment.
Referring to fig. 1 and 2, an electrical fire supervisory equipment of utility tunnel, including setting up monitoring box 1 on the piping lane inner wall, monitoring box 1 is provided with a plurality ofly along the length direction interval of piping lane, distance between two adjacent monitoring boxes 1 is 3m-4m, thereby carry out effectual control to the conflagration condition in the piping lane, monitoring box 1 is located the top of piping lane, set up connecting portion 12 on monitoring box 1, connecting portion 12 sets up along monitoring box 1's circumference, connecting portion 12 passes through expansion bolts to be fixed to the piping lane inner wall, a plurality of ventilation holes 11 have all been seted up on every lateral wall of monitoring box 1.
Referring to fig. 2 and 3, a monitoring assembly 2 is arranged in the monitoring box 1, the monitoring assembly 2 includes a temperature sensor 21, a controller 22 and an alarm 23, the temperature sensor 21 is electrically connected with the controller 22, the controller 22 is electrically connected with the alarm 23, the temperature sensor 21 can convert the temperature in the pipe gallery into a signal and transmit the signal to the controller 22, the controller 22 has a temperature threshold, after the temperature signal reaches the threshold, the controller 22 can start the alarm 23, in this embodiment, the model of the temperature sensor 21 is GWD200, the monitoring assembly 2 further includes a carbon dioxide generator 3, the carbon dioxide generator 3 can generate carbon dioxide gas after being started, the carbon dioxide generator 3 is fixed at the bottom of the monitoring box 1, and the controller 22 is electrically connected with the carbon dioxide generator 3.
When using, if the cable conflagration breaks out in the piping lane, the temperature in the piping lane becomes high, temperature sensor 21 turns into signal transmission for controller 22 with the temperature in the piping lane, after temperature signal exceeded controller 22's threshold value, controller 22 starts alarm 23 and reports to the police, controller 22 starts carbon dioxide generator 3 simultaneously, carbon dioxide generator 3 produces carbon dioxide gas, and make carbon dioxide gas spread to the piping lane in, because carbon dioxide is incombustible also combustion-supporting, consequently the increase of intensity of a fire can be restrained to the carbon dioxide.
Referring to fig. 2, in order to facilitate the firefighters to know the size of the fire, the thermal infrared imager 24 is further arranged in the monitoring box 1, and the fire can be displayed through the thermal infrared imager 24 by using other display devices, so that the convenience of the use of the monitoring box 1 is further improved; meanwhile, in order to prevent the equipment in the monitoring box 1 from being damaged to a certain extent, a fireproof plate (not shown in the figure) is arranged in the monitoring box 1, and the fireproof plate is adhered to the inner wall of the monitoring box 1 through an adhesive.
Referring to fig. 2, a connecting portion 12 is provided on the monitoring box 1 along the circumferential direction of the monitoring box 1, and the connecting portion 12 and the monitoring box 1 are integrally formed, and the connecting portion 12 is fixed to the inner wall of the pipe gallery through an expansion bolt.
Referring to fig. 3, a connection pipe 31 is provided to the output end of the carbon dioxide generator 3, the connection pipe 31 is disposed along the vertical direction, guide pipes 32 are disposed on the connection pipe 31 and on the two sides of the connection pipe 31, the guide pipes 32 on the two sides are all communicated with the connection pipe 31, the guide pipes 32 on the two sides face the cables on the two sides of the pipe rack respectively, the connection pipe 31 and the guide pipes 32 are all made of PVC, and the connection pipe 31 and the guide pipes 32 are integrally formed.
After the carbon dioxide generator 3 is started, the produced carbon dioxide gas enters the connecting pipe 31 and then enters the guide pipe 32 through the connecting pipe 31, and finally the carbon dioxide gas is diffused from the guide pipes 32 at the two sides, and the carbon dioxide gas can be rapidly diffused to the position of the cable because the guide pipe 32 faces the position of the cable in the pipe gallery, so that the fire disaster occurring at the cable is restrained.
Referring to fig. 3, the below that just is located monitoring box 1 on monitoring box 1 is provided with mounting bracket 4, 3 fixed mounting of carbon dioxide generator is on mounting bracket 4, mounting bracket 4 includes mounting panel 41 and connecting branch 42, connecting branch 42 is provided with a plurality ofly, and connecting branch 42 and mounting panel 41 fixed connection, and connecting branch 42 keeps away from between mounting panel 41's one end and the monitoring box 1 through fixing bolt connection, it is more convenient to make dismantlement and connection between mounting bracket 4 and the monitoring box 1, and for the convenience of the position of fixed connection pipe 31, mounting hole 411 has been seted up on mounting panel 41, connecting pipe 31 then is located mounting hole 411.
The utility model provides an electrical fire supervisory equipment's of utility tunnel theory of operation who discloses does: through adopting above-mentioned technical scheme, during using this supervisory equipment, all install monitoring box 1 and carbon dioxide generator 3 in the piping lane, when the conflagration breaks out in the piping lane, temperature rise in the piping lane, temperature sensor 21 is after the perception temperature variation, give controller 22 with temperature signal transmission, controller 22 is behind temperature signal surpassing a definite value, can start alarm 23, controller 22 still can drive carbon dioxide generator 3 and start simultaneously, carbon dioxide generator 3 can produce carbon dioxide gas in the piping lane, thereby make the carbon dioxide gas concentration in the piping lane increase, carbon dioxide does not have flammability and also does not have the flammability of helping, consequently can suppress the intensity of a fire increase before the fire fighter arrives effectively, reduce fire fighter's the degree of difficulty of putting out a fire.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides an underground pipe gallery's electrical fire supervisory equipment which characterized in that: comprises a monitoring box (1) arranged on the inner wall of a pipe gallery, the monitoring box (1) is positioned at the top of the pipe gallery, a plurality of vent holes (11) are arranged on the side wall of the monitoring box (1), a monitoring component (2) is arranged in the monitoring box (1), the monitoring component (2) comprises a temperature sensor (21), a controller (22) and an alarm (23), the temperature sensor (21) is used for transmitting a temperature signal in the pipe gallery to the controller (22), the controller (22) is used for starting an alarm (23), the temperature sensor (21) is electrically connected with the controller (22), the controller (22) is electrically connected with the alarm (23) and also comprises a carbon dioxide generator (3), the carbon dioxide generator (3) is arranged at the bottom of the monitoring box (1), and the controller (22) is electrically connected with the carbon dioxide generator (3).
2. An electrical fire monitoring apparatus for an underground pipe gallery according to claim 1, wherein: set up connecting portion (12) on control box (1), connecting portion (12) set up along the circumference of control box (1), connecting portion (12) are fixed to the piping lane inner wall through expansion bolts.
3. An electrical fire monitoring apparatus for an underground pipe gallery according to claim 1, wherein: the intercommunication is provided with connecting pipe (31) on the output of carbon dioxide generator (3), the both sides that just are located connecting pipe (31) on connecting pipe (31) are provided with guide tube (32), guide tube (32) and connecting pipe (31) intercommunication, both sides guide tube (32) are towards the cable of piping lane both sides respectively.
4. An electrical fire monitoring apparatus for a subterranean pipe gallery in accordance with claim 3, wherein: be provided with on monitoring case (1) mounting bracket (4), mounting bracket (4) are located the below of monitoring case (1), carbon dioxide generator (3) are located mounting bracket (4), mounting hole (411) have been seted up on mounting bracket (4), connecting pipe (31) are worn to locate in mounting hole (411).
5. An electrical fire monitoring apparatus for a subterranean pipe gallery in accordance with claim 3, wherein: be provided with connecting strut (42) on mounting bracket (4), connecting strut (42) keep away from the one end of mounting bracket (4) and can dismantle with control box (1) and be connected.
6. An electrical fire monitoring apparatus for an underground pipe gallery according to claim 1, wherein: the distance between two adjacent monitoring boxes (1) is set to be 3-4 m.
7. An electrical fire monitoring apparatus for an underground pipe gallery according to claim 1, wherein: and a thermal infrared imager (24) is arranged in the monitoring box (1).
8. An electrical fire monitoring apparatus for an underground pipe gallery according to claim 1, wherein: and a fireproof plate is arranged in the monitoring box (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010975704.6A CN112258770A (en) | 2020-09-16 | 2020-09-16 | Underground pipe gallery's electric fire supervisory equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010975704.6A CN112258770A (en) | 2020-09-16 | 2020-09-16 | Underground pipe gallery's electric fire supervisory equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112258770A true CN112258770A (en) | 2021-01-22 |
Family
ID=74231731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010975704.6A Pending CN112258770A (en) | 2020-09-16 | 2020-09-16 | Underground pipe gallery's electric fire supervisory equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112258770A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113313907A (en) * | 2021-07-30 | 2021-08-27 | 东华理工大学南昌校区 | Emergency protection system based on cloud server |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT382032B (en) * | 1979-09-07 | 1986-12-29 | Securiton Ag | FIRE DETECTING SYSTEM, IN PARTICULAR FOR A CAR TUNNEL |
| CN110246296A (en) * | 2019-06-11 | 2019-09-17 | 应急管理部四川消防研究所 | Fire detection monitoring system and its implementation applied to city integrated piping lane |
| CN209605865U (en) * | 2019-02-26 | 2019-11-08 | 通号工程局集团有限公司 | A kind of pipe gallery monitoring device |
| CN110718035A (en) * | 2019-11-04 | 2020-01-21 | 江苏安防科技有限公司 | Monitoring and early warning system based on sudden spontaneous combustion hazard in pipe rack space |
| CN209967499U (en) * | 2019-11-13 | 2020-01-21 | 国网浙江省电力有限公司嘉兴供电公司 | Remote intelligent monitoring fire extinguisher |
| CN211044475U (en) * | 2020-01-04 | 2020-07-17 | 珠海大横琴城市综合管廊运营管理有限公司 | City piping lane smog control and alarm device based on compound sensing |
-
2020
- 2020-09-16 CN CN202010975704.6A patent/CN112258770A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT382032B (en) * | 1979-09-07 | 1986-12-29 | Securiton Ag | FIRE DETECTING SYSTEM, IN PARTICULAR FOR A CAR TUNNEL |
| CN209605865U (en) * | 2019-02-26 | 2019-11-08 | 通号工程局集团有限公司 | A kind of pipe gallery monitoring device |
| CN110246296A (en) * | 2019-06-11 | 2019-09-17 | 应急管理部四川消防研究所 | Fire detection monitoring system and its implementation applied to city integrated piping lane |
| CN110718035A (en) * | 2019-11-04 | 2020-01-21 | 江苏安防科技有限公司 | Monitoring and early warning system based on sudden spontaneous combustion hazard in pipe rack space |
| CN209967499U (en) * | 2019-11-13 | 2020-01-21 | 国网浙江省电力有限公司嘉兴供电公司 | Remote intelligent monitoring fire extinguisher |
| CN211044475U (en) * | 2020-01-04 | 2020-07-17 | 珠海大横琴城市综合管廊运营管理有限公司 | City piping lane smog control and alarm device based on compound sensing |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113313907A (en) * | 2021-07-30 | 2021-08-27 | 东华理工大学南昌校区 | Emergency protection system based on cloud server |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104332930B (en) | The cable channel cover plate of fire and self-extinguishing can be monitored | |
| CN102553107B (en) | A kind of method to set up of power tunnel fire extinguishing system | |
| CN203954499U (en) | Cable shaft fire prevention and control device | |
| CN202516198U (en) | Wind generating set fire fighting system | |
| CN107715358A (en) | Automatic fire alarm system | |
| CN202205313U (en) | Electrical fire wireless monitoring system equipped with automatic evacuation indication device | |
| CN109173130A (en) | A kind of pipe gallery fire management system | |
| CN112258770A (en) | Underground pipe gallery's electric fire supervisory equipment | |
| CN211454762U (en) | Electrical fire early warning device based on 5G network | |
| CN114360195A (en) | Fire prevention and extinguishing optical fiber monitoring system and method for mining belt conveyor | |
| CN216629500U (en) | Automatic tunnel fire alarm and fire extinguishing system | |
| CN114863629A (en) | Cable tunnel fire alarm and fire fighting system based on multi-element sensing information fusion | |
| CN112242048B (en) | Intelligent fire-fighting early warning emergency system | |
| CN203825459U (en) | Highway tunnel fire-fighting controller | |
| CN111145487A (en) | Diesel power station cable and equipment fireproof monitoring system and method | |
| CN115800122A (en) | Join in marriage net and lay and use cable frame | |
| CN110975214A (en) | Data acquisition system and fire extinguishing method of underground pipe gallery suspension type dry powder fire extinguishing device | |
| CN203825460U (en) | Highway tunnel fire-fighting system | |
| CN115770370A (en) | Fire extinguishing system for inhibiting fire explosion of energy storage power station | |
| CN211124338U (en) | Intelligent escape evacuation indicating system for hydropower station | |
| CN210865045U (en) | Fire-fighting equipment state on-line monitoring alarm device | |
| CN210313005U (en) | Elevator machine room fire control monitored control system | |
| CN110281798B (en) | Linkage type electric vehicle charging pavilion | |
| CN211375743U (en) | Fire safety detection device | |
| CN209075937U (en) | A kind of pipe gallery fire management system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210122 |
|
| RJ01 | Rejection of invention patent application after publication |