CN212466906U - Automatic fire extinguishing system for building outer wall - Google Patents
Automatic fire extinguishing system for building outer wall Download PDFInfo
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- CN212466906U CN212466906U CN202020578344.1U CN202020578344U CN212466906U CN 212466906 U CN212466906 U CN 212466906U CN 202020578344 U CN202020578344 U CN 202020578344U CN 212466906 U CN212466906 U CN 212466906U
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Abstract
The utility model discloses a building outer wall automatic fire extinguishing system, including a plurality of flame detectors, conflagration automatic fire extinguishing system and outdoor spray set, it is a plurality of flame detectors distributes and installs around the building, just flame detectors sets up rather than the building outer wall slope that is close to mutually, outdoor spray set sets up on the building outer wall, and is a plurality of flame detectors with outdoor spray set respectively with conflagration automatic fire extinguishing system electricity is connected. The system can detect the fire occurrence condition of the outer wall of the building in time and effectively control the rapid spread of the fire at the initial stage of the fire occurrence of the outer wall heat-insulating material.
Description
Technical Field
The utility model relates to a fire engineering technical field, concretely relates to building outer wall automatic fire extinguishing system.
Background
The existing automatic fire extinguishing system is an indoor automatic fire extinguishing system, detects fire through a smoke/temperature-sensitive detector and the like, and when the fire is detected, the temperature-sensitive spray header connected to a water pipe bursts when meeting high temperature above 68 ℃, so that pressure difference is formed in the pipeline, and a fire pump is started to suppress the early stage of the fire.
However, when the smoke/temperature sensing detector is used, an alarm can be given only when the indoor smoke concentration or temperature exceeds a certain numerical value, and the early state of a fire cannot be detected.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem existing in the background art, the utility model aims to provide a building outer wall automatic fire extinguishing system, it can in time survey building outer wall conflagration emergence condition, takes place rapidly stretching of the effectual control intensity of a fire of conflagration initial stage at outer wall insulation material to effectual emergence that restraines the conflagration in early stage.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a building outer wall automatic fire extinguishing system, including a plurality of flame detectors, conflagration automatic fire extinguishing system and outdoor spray set, a plurality of flame detectors distribute and install around the building, and flame detectors set up towards the building outer wall slope rather than being close to, outdoor spray set sets up on the building outer wall, a plurality of flame detectors and outdoor spray set respectively with conflagration automatic fire extinguishing system electricity is connected;
outdoor spray set includes water supply equipment, water supply main pipe, a plurality of water supply branch pipe and fire sprinkler head, and is a plurality of water supply branch pipe encircles in the outer wall inside wall of building outward in proper order downwards from the building roof, the fire sprinkler head is located the building outward wall outside, just the fire sprinkler head pass through the connecting tube with water supply branch pipe is linked together, water supply main pipe one end respectively with water supply branch pipe is linked together, the water supply main pipe other end with water supply equipment is linked together, water supply main pipe with all be provided with the solenoid valve on the water supply branch pipe, the solenoid valve with the conflagration automatic fire extinguishing systems electricity is connected.
The further improvement is that the flame detectors are arranged on the ground and along the periphery of the exterior of the building, the distance between any two adjacent flame detectors is not more than 20m, and the straight-line distance between the flame detectors and the nearest exterior wall of the building is 10-20 m. If there is no shelter around the building, the flame detector can be set on the ground, and the installation and use are convenient.
The further improvement is that the flame detectors are distributed on the outer side wall of the roof of the building along the circumferential direction, the distance between any two adjacent flame detectors is not more than 20m, and the linear distance between the flame detectors and the nearest outer wall of the building is 2-8 m. Because there is the shelter usually around the building, through setting up the flame detector on building roof lateral wall, can avoid the influence of shelter to the flame detector detection effect, adjustable flame detector and the nearest straight line distance of building outer wall according to the floor height of building guarantee that the building outer wall all is in the detection range of flame detector.
The further improvement is that the included angle formed by the flame detector and the nearest outer wall of the building is 30-50 degrees.
In a further development, the flame detectors are arranged in pairs. One flame detector is ensured to be used, and when one flame detector fails, the other flame detector can be normally used, so that the normal use of the equipment is ensured.
The further improvement is that the distance between two adjacent fire-fighting spray heads is 1-1.8m, so that the outer wall of the building is ensured to be in the spraying range of the fire-fighting spray heads.
The improved fire extinguishing system is characterized in that the water supply equipment is a temporary water storage tank positioned on the roof of a building or a fire-fighting water supply pipeline in the building, and when the water supply equipment is the temporary water storage tank, a pressure water pump is further arranged on the water supply main pipeline close to the water supply equipment and is electrically connected with the automatic fire extinguishing system. If an indoor automatic fire-extinguishing spraying system is installed in the building, an indoor fire-fighting water supply pipeline can be used as water supply equipment in an outdoor spraying device, and water can be supplied to an outdoor fire-fighting spray head; if the indoor automatic fire extinguishing spraying system is not installed in the building, water can be taken from the temporary water storage tank on the roof of the building, and the investment cost is low.
Compared with the prior art, the utility model discloses following beneficial effect has:
(1) the utility model discloses in through can survey the ultraviolet ray that the wavelength is shorter and the flame detector of the infrared ray that the wavelength is longer installed around the building, it can in time detect the light radiation that produces when the building outer wall conflagration takes place early, and send the detected signal to conflagration automatic fire extinguishing systems, the outer spray set of conflagration automatic fire extinguishing systems control room carries out the automatic water spray around the building outer wall, can take place the quick spread of the effective control intensity of a fire in the initial stage at outer wall insulation material, and the effectual emergence of inhibiting the conflagration in early;
(2) the outdoor spraying device comprises a water supply branch pipeline and a water supply branch pipeline, wherein the water supply branch pipeline sequentially surrounds the inner side wall of the outer wall of the building from the top of the building downwards, the water supply branch pipeline is communicated with water supply equipment, electromagnetic valves are arranged on the water supply main pipeline and the water supply branch pipeline, fire fighting distribution and control can be carried out on the periphery of the water supply main pipeline according to a fire occurrence area detected by a flame detector, when the outdoor spraying device is used, an electromagnetic valve on the water supply main pipeline is controlled to be opened through an automatic fire extinguishing system, then the electromagnetic valves on the water supply branch pipelines in the fire occurrence area and the adjacent upper and lower areas are controlled to be opened, and water in the water supply equipment is sprayed to the fire occurrence area of the outer wall of the building through a fire nozzle, so that the fire spread of the;
(3) the system is simple and convenient to install, an indoor fire automatic fire extinguishing system and an indoor fire spraying system are arranged in a common building, the system only needs to be additionally provided with an outdoor spraying device on the original basis and outdoor flame detectors around the building, the outdoor spraying device takes water from an indoor fire-fighting water supply pipeline, the expected effect can be achieved, and the investment cost is low.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic structural view of an automatic fire extinguishing system for an exterior wall of a building in embodiment 1;
FIG. 2 is a schematic diagram of the operation of the automatic fire extinguishing system for the exterior wall of the building in embodiment 1;
FIG. 3 is a schematic structural view of an automatic fire extinguishing system for an exterior wall of a building in embodiment 2;
wherein, the specific reference numbers are: the fire-fighting water supply system comprises a flame detector 1, an automatic fire extinguishing system 2, an indoor fire-fighting water supply pipeline 3, a temporary water storage tank 4, a pressure water pump 5, a water supply main pipeline 6, a water supply branch pipeline 7, an electromagnetic valve 8, a fire-fighting spray head 9 and a building outer wall 10.
Detailed Description
Example 1
The embodiment discloses an automatic fire extinguishing system for an outer wall of a building, as shown in fig. 1 and 2, comprising a plurality of flame detectors 1, an automatic fire extinguishing system 2 and an outdoor spraying device, wherein the flame detectors 1 are distributed and installed around the building, the flame detectors 1 are obliquely arranged towards the outer wall 10 of the building close to the flame detectors 1, the included angle formed by the flame detectors 1 and the nearest outer wall 10 of the building is 30-50 degrees, preferably, the included angle formed by the flame detectors 1 and the nearest outer wall 10 of the building is 45 degrees, visible or invisible light radiation which is not in the atmosphere can be generated at the same time of generating smoke and emitting heat when combustible substances start to combust in the early stage of a fire, the flame detectors 1 can detect ultraviolet rays with shorter wavelength and infrared rays with longer wavelength, and can detect light radiation which is generated when the outer wall 10 of the building is in the early stage of the fire in time, and sends the detection signal to the automatic fire extinguishing system 2, and the automatic fire extinguishing system 2 determines the fire occurrence area according to the signal fed back by the flame detector 1. The outdoor spraying device is arranged on the outer wall 10 of the building, and the plurality of flame detectors 1 and the outdoor spraying device are respectively and electrically connected with the automatic fire extinguishing system 2; the outdoor spraying device comprises water supply equipment, a water supply main pipeline 6, a plurality of water supply branch pipelines 7 and fire-fighting nozzles 9, the plurality of water supply branch pipelines 7 sequentially surround the inner side wall of an outer wall 10 of a building from the roof of the building downwards, the fire-fighting nozzles 9 are positioned on the outer side of the outer wall 10 of the building, the fire-fighting nozzles 9 are communicated with the water supply branch pipelines 7 through connecting pipelines, one end of the water supply main pipeline 6 is respectively communicated with the water supply branch pipelines 7, the other end of the water supply main pipeline 6 is communicated with the water supply equipment, electromagnetic valves 8 are respectively arranged on the water supply main pipeline 6 and the water supply branch pipelines 7, the electromagnetic valves 8 are electrically connected with an automatic fire extinguishing system 2, the outdoor spraying device is arranged, fire extinguishing distribution and control can be carried out on the periphery of the automatic fire extinguishing system according to a fire occurrence area detected by a flame detector 1, the automatic fire extinguishing system 2 controls the electromagnetic valve 8 on the water supply main pipeline 6 to be opened later, and then controls to open the electromagnetic valve 8 on the water supply branch pipeline 7 in the fire occurrence area and the adjacent upper and lower areas, and water in the water supply equipment can be sprayed to the building outer wall 10 fire occurrence area through the fire sprinkler 9 at a fixed point, so that the fire spread of the building outer wall 10 fire occurrence area can be effectively prevented, the fire can be extinguished, and the water consumption for fire fighting can be saved.
If no shelter is arranged around the building, the flame detectors 1 can be arranged on the ground and arranged along the periphery of the outside of the building, the distance between any two adjacent flame detectors 1 is not more than 20m, and the linear distance between each flame detector 1 and the nearest building outer wall 10 is 10-20 m. If the periphery of the building is provided with the shielding objects, in order to avoid the influence of the shielding objects on the detection effect of the flame detectors 1 and ensure that the outer walls 10 of the building are all within the detection range of the flame detectors 1, the flame detectors 1 can be distributed on the outer side wall of the roof of the building along the circumferential direction, the distance between any two adjacent flame detectors 1 is not more than 20m, and the linear distance between each flame detector 1 and the nearest outer wall 10 of the building is 2-8 m. In the embodiment, the flame detectors 1 are distributed on the outer side wall of the roof of the building along the circumferential direction, the distance between any two adjacent flame detectors 1 is 20m, and the linear distance between the flame detector 1 and the nearest building outer wall 10 is 2 m.
The flame detectors 1 are arranged in pairs, one flame detector is used for spare, and when one flame detector 1 breaks down, the other flame detector can be used normally, so that the normal use of equipment is ensured.
Wherein, the distance between two adjacent fire control nozzles 9 is 1-1.8m, which ensures that the outer wall 10 of the building is in the spraying range of the fire control nozzles 9.
The indoor automatic fire-extinguishing spraying system is installed in the building in the embodiment, and the indoor fire-fighting water supply pipeline 3 can be directly used as water supply equipment in the outdoor spraying device, so that water can be supplied to the outdoor fire-fighting spray head 9.
Example 2
The embodiment discloses an automatic fire extinguishing system for an outer wall of a building, and the embodiment 2 has the same basic characteristics as the embodiment 1, and the two have the following distinguishing technical characteristics: as shown in figure 3, the building of this embodiment does not install indoor automatic fire extinguishing sprinkler system, and water supply equipment is for lieing in the interim storage water tank 4 on the building roof, still is provided with pressure water pump 5 on the main water supply line 6 near to water supply equipment department, and pressure water pump 5 is connected with conflagration automatic fire extinguishing system 2 electricity, because the water storage capacity is limited in interim storage water tank 4, its accessible suction pump is linked together with cistern, secret cistern in the building, indoor swimming pool or ground fire control pond to guarantee the sufficient supply of fire control water consumption.
It is right to have used specific individual example above the utility model discloses expound, only be used for helping to understand the utility model discloses, not be used for the restriction the utility model discloses. To the technical field of the utility model technical personnel, the foundation the utility model discloses an idea can also be made a plurality of simple deductions, warp or replacement.
Claims (7)
1. The automatic fire extinguishing system for the outer wall of the building is characterized by comprising a plurality of flame detectors, an automatic fire extinguishing system and an outdoor spraying device, wherein the flame detectors are distributed and installed around the building, the flame detectors are obliquely arranged towards the outer wall of the building close to the flame detectors, the outdoor spraying device is arranged on the outer wall of the building, and the flame detectors and the outdoor spraying device are respectively and electrically connected with the automatic fire extinguishing system;
outdoor spray set includes water supply equipment, water supply main pipe, a plurality of water supply branch pipe and fire sprinkler head, and is a plurality of water supply branch pipe encircles in the outer wall inside wall of building outward in proper order downwards from the building roof, the fire sprinkler head is located the building outward wall outside, just the fire sprinkler head pass through the connecting tube with water supply branch pipe is linked together, water supply main pipe one end respectively with water supply branch pipe is linked together, the water supply main pipe other end with water supply equipment is linked together, water supply main pipe with all be provided with the solenoid valve on the water supply branch pipe, the solenoid valve with the conflagration automatic fire extinguishing systems electricity is connected.
2. The automatic fire extinguishing system for the external wall of the building as claimed in claim 1, wherein the flame detectors are arranged on the ground and along the periphery of the external wall of the building, the distance between any two adjacent flame detectors is not more than 20m, and the straight distance between the flame detectors and the nearest external wall of the building is 10-20 m.
3. The automatic fire extinguishing system for the exterior wall of the building, according to claim 1, is characterized in that the flame detectors are distributed on the outer side wall of the roof of the building along the circumferential direction, the distance between any two adjacent flame detectors is not more than 20m, and the straight distance between the flame detectors and the nearest exterior wall of the building is 2-8 m.
4. The automatic fire extinguishing system for the exterior wall of the building as claimed in claim 2 or 3, wherein the included angle formed by the flame detector and the nearest exterior wall of the building is 30-50 degrees.
5. The automatic fire extinguishing system for exterior walls of buildings according to claim 4, characterized in that the flame detectors are arranged in pairs.
6. The automatic fire extinguishing system for the exterior wall of the building as claimed in claim 1, wherein the distance between two adjacent fire-fighting spray heads is 1-1.8 m.
7. The automatic fire extinguishing system for the exterior wall of the building as claimed in claim 1, wherein the water supply equipment is a temporary water storage tank on the roof of the building or a fire water supply pipeline in the building, and when the water supply equipment is the temporary water storage tank, a pressurized water pump is further arranged on the water supply main pipeline close to the water supply equipment, and the pressurized water pump is electrically connected with the automatic fire extinguishing system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020578344.1U CN212466906U (en) | 2020-04-17 | 2020-04-17 | Automatic fire extinguishing system for building outer wall |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020578344.1U CN212466906U (en) | 2020-04-17 | 2020-04-17 | Automatic fire extinguishing system for building outer wall |
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| CN212466906U true CN212466906U (en) | 2021-02-05 |
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| CN202020578344.1U Active CN212466906U (en) | 2020-04-17 | 2020-04-17 | Automatic fire extinguishing system for building outer wall |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114534150A (en) * | 2022-03-08 | 2022-05-27 | 中国建筑科学研究院有限公司 | Fire detection and control method and system for building outer wall fire |
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2020
- 2020-04-17 CN CN202020578344.1U patent/CN212466906U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114534150A (en) * | 2022-03-08 | 2022-05-27 | 中国建筑科学研究院有限公司 | Fire detection and control method and system for building outer wall fire |
| CN114534150B (en) * | 2022-03-08 | 2022-11-04 | 中国建筑科学研究院有限公司 | Fire detection and control method and system for building outer wall fire |
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