CN217661191U - Water spray automatic fire extinguishing device and fire alarm and fire extinguishing linkage system - Google Patents
Water spray automatic fire extinguishing device and fire alarm and fire extinguishing linkage system Download PDFInfo
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- CN217661191U CN217661191U CN202220679098.8U CN202220679098U CN217661191U CN 217661191 U CN217661191 U CN 217661191U CN 202220679098 U CN202220679098 U CN 202220679098U CN 217661191 U CN217661191 U CN 217661191U
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Abstract
The utility model relates to a city utility tunnel utility model cabin field of putting out a fire, concretely relates to water spray automatic fire extinguishing device and fire alarm linked system that puts out a fire can realize starting automatic fire extinguishing many times to can not cause chemical corrosion to the cable, can not produce intractable filth after putting out a fire yet, the maintenance cost is low simultaneously. Water spray automatic fire extinguishing device is applied to and carries out automatic fire extinguishing to utility tunnel utility model cabin, the utility model cabin includes a plurality of regions, and every region all is provided with regional control unit, at least one smoke detector and fire extinguisher, regional control unit is connected with smoke detector and fire extinguisher respectively, the fire extinguisher sets up on the comprehensive cabin roof, regional control unit is used for controlling the fire extinguisher in the corresponding region according to the signal pair of smoke detector in the region.
Description
Technical Field
The utility model relates to a city utility tunnel utility model cabin field of putting out a fire, concretely relates to water spray automatic fire extinguishing device and fire alarm linked system that puts out a fire.
Background
In recent years, the problems of repeated construction of urban underground pipelines, repeated excavation of roads, spider-web overhead lines and the like in China are increasingly prominent, and the urban modern development is seriously influenced. The effective utilization of urban underground space in the construction of the comprehensive pipe gallery is an effective measure for solving the problems of repeated excavation of urban roads, disorder of overhead pipelines and the like.
The construction of a large-scale urban comprehensive pipe gallery in China just starts from 2013, the research on the comprehensive pipe gallery is still in a primary stage, particularly, the research on a fire extinguishing system of the pipe gallery is less and less, and the technical specification of urban comprehensive pipe gallery engineering (GB 50838-2015) provides that: "lay power cable's cabin in the trunk piping lane, lay 6 or above power cable's cabin in the branch piping lane, all should set up fire control automatic fire extinguishing system. The common design practice is to lay power lines in the complex cabin.
The insulating cover of the power pipeline consists of C, H, halogen and other elements, so that the generated flame has high combustion speed and high temperature rise and is accompanied with slight explosion, and the flame is easy to spread to an adjacent place through a wire, so that the fire can be rapidly expanded. The discharge pipes running in the integrated cabin release combustible gases due to the flow of sewage, which is also one of the causes of gas fires. Therefore, the underground comprehensive pipe gallery comprehensive cabin has many fire risks and stricter safety requirements, more effective fire extinguishing measures are adopted, ventilation, automatic alarm and fire extinguishing system comprehensive consideration are combined, and a higher-level fire prevention design is adopted.
The existing fire extinguishing system usually adopts superfine dry powder to extinguish fire, but the dry powder fire extinguishing system has the defects that: (1) The fire extinguishing system only acts once, the sprayed dry powder covers the surface of a burning object, and if the burning object is re-burnt after spraying, the fire extinguishing system cannot act again to generate dry powder for extinguishing fire; (2) The superfine dry powder fire extinguishing device is hung at the top in the cabin, the pressure storage type device has large potential safety hazard, low toxicity and chemical corrosion, and the explosion start causes damage to cables; (3) The dry powder in the device is easy to damp and agglomerate, and the replacement in time needs to be ensured, so that the replacement cost is high; (4) After fire extinguishment, the dry powder is soaked in water to form a gel, so that the gel is difficult to treat, the fire extinguishment loss is large, and the smoke and dirt are difficult to wash.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a water spray automatic fire extinguishing device and fire alarm linked system that puts out a fire can realize starting automatic fire extinguishing many times after adding relevant software method to can not cause chemical corrosion to the cable, can not produce intractable filth after putting out a fire yet, the maintenance cost is low simultaneously.
The utility model adopts the following technical scheme to realize the above-mentioned purpose, water spray automatic fire extinguishing device is applied to and carries out automatic fire extinguishing to utility tunnel utility model cabin, the utility model cabin includes a plurality of regions, and every region all is provided with regional control unit, at least one smoke detector and fire extinguisher, regional control unit is connected with smoke detector and fire extinguisher respectively, the fire extinguisher sets up on the utility model cabin roof, regional control unit is used for controlling the fire extinguisher in the corresponding region according to the signal pair of regional interior smoke detector.
Further, in order to control the detection signal, each area is further provided with a fire extinguishing controller, and the fire extinguishing controller is arranged between the area control unit and the smoke detector.
Furthermore, in order to improve the accuracy of detecting the fire signal, each area is also provided with at least one temperature-sensitive detector which is connected with the fire extinguishing controller.
Furthermore, in order to alarm fire, each area is also provided with at least one fire acousto-optic alarm which is connected with the fire extinguishing controller.
Furthermore, in order to realize timely handling of accidents, each area is also provided with at least one emergency start-stop button, and the emergency start-stop button is connected with the fire extinguishing controller.
Furthermore, in order to improve the fire extinguishing efficiency, the fire extinguisher is a centrifugal atomization type water mist spray nozzle.
Fire alarm linked system that puts out a fire contains the aforesaid water spray automatic fire extinguishing device, still include fire alarm control ware, pump control cabinet and water supply installation, the pump control cabinet is connected with water supply installation, water spray automatic fire extinguishing device and fire alarm control ware respectively, fire alarm control ware is used for controlling the pump control cabinet according to the fire signal who receives from water spray automatic fire extinguishing device, and the pump control cabinet will be controlled water pump work after the response, supplies water to the fire extinguisher among the water spray automatic fire extinguishing device.
Furthermore, in order to remind water supply, the fire alarm and fire extinguishing linkage system further comprises a hydraulic alarm bell, and the hydraulic alarm bell is connected with the water pump control cabinet.
Furthermore, in order to comprehensively control the area control units, the fire alarm and fire extinguishing linkage system further comprises an intelligent fire extinguishing device control host, and the intelligent fire extinguishing device control host is connected with each area control unit respectively.
Further, in order to improve water supply efficiency, water supply installation includes fire-fighting pool, filter, moisturizing case and water pump, the filter is connected with fire-fighting pool, moisturizing case and water pump respectively, the water pump is connected with the pump control cabinet.
The utility model does not adopt superfine dry powder for fire extinguishing, thereby avoiding chemical corrosion to the cable in the fire extinguishing process and generating intractable sewage after fire extinguishing; adopt water spray to put out a fire, judge the condition of a fire according to the smoke and dust and the temperature condition that detect, can realize starting many times and put out a fire to maintenance cost has greatly been reduced.
Drawings
FIG. 1 is a block diagram of the fire alarm and fire extinguishing linkage system of the utility model.
In the attached drawings, 1 is a water spray automatic fire extinguishing device, 2 is a water supply device, 3 is a fire alarm and fire extinguishing linkage system, 4 moving lines, 5 is a feedback line, 6 is a communication optical fiber, 101 is an area control unit, 103 is a fire extinguishing controller, 104 and 110 are buses, 105 is a smoke detector, 106 is a temperature detector, 107 is a fire acousto-optic alarm, 108 is an emergency start-stop button, 109 is a fire extinguisher, 200 is a fire extinguishing device intelligent control host, 201 is a fire alarm controller, 202 is a water pump control cabinet, 203 is a hydraulic alarm bell, 204 is an optical terminal machine, 301 is a fire pool, 302 is a filter, 303 is a water pump, and 304 is a water replenishing tank.
Detailed Description
The utility model discloses water spray automatic fire extinguishing device is applied to and carries out automatic fire extinguishing to utility tunnel utility model cabin, the utility model cabin includes a plurality of regions, and every region all is provided with regional control unit, at least one smoke detector and fire extinguisher, regional control unit is connected with smoke detector and fire extinguisher respectively, the fire extinguisher sets up on the board of utility model cabin, regional control unit is used for controlling the fire extinguisher in the corresponding region according to the signal pair of regional interior smoke detector.
In order to control the detection signal, each area is also provided with a fire extinguishing controller which is arranged between the area control unit and the smoke detector.
In order to improve the accuracy of detecting the fire signal, each area is also provided with at least one temperature-sensitive detector which is connected with the fire extinguishing controller.
In order to alarm fire, each area is also provided with at least one fire acousto-optic alarm which is connected with the fire extinguishing controller.
In order to realize timely handling of accidents, each area is also provided with at least one emergency start-stop button which is connected with the fire extinguishing controller.
In order to improve the fire extinguishing efficiency, the fire extinguisher is a centrifugal atomization type water mist spray nozzle.
Fire alarm linkage system of putting out a fire contains the aforesaid water spray automatic fire extinguishing device, still includes fire alarm control ware, pump control cabinet and water supply installation, the pump control cabinet is connected with water supply installation, water spray automatic fire extinguishing device and fire alarm control ware respectively, fire alarm control ware is used for controlling the pump control cabinet according to the fire signal who receives from water spray automatic fire extinguishing device, and the pump control cabinet will be controlled water pump work after the response, supplies water to the fire extinguisher among the water spray automatic fire extinguishing device.
In order to remind water supply, the fire alarm and fire extinguishing linkage system further comprises a hydraulic alarm bell, and the hydraulic alarm bell is connected with the water pump control cabinet.
In order to comprehensively control the area control units, the fire alarm and fire extinguishing linkage system further comprises an intelligent fire extinguishing device control host, and the intelligent fire extinguishing device control host is connected with each area control unit respectively.
In order to improve water supply efficiency, water supply installation includes fire-fighting pool, filter, moisturizing case and water pump, the filter is connected with fire-fighting pool, moisturizing case and water pump respectively, the water pump is connected with the pump control cabinet.
Fig. 1 is a structural block diagram of an embodiment of a fire alarm and fire extinguishing linkage system of the utility model, a regional control unit 101 is connected with a fire extinguishing controller 103 through a moving line 4 and a feedback line 5, the fire extinguishing controller 103 is respectively connected with a smoke detector 105, a temperature detector 106, a fire acousto-optic alarm 107 and an emergency start-stop button 108 through a bus 104, and each regional control unit respectively controls two fire extinguishing controllers 109;
the regional control unit is communicated with the intelligent control host 200 of the fire extinguishing device through an optical fiber 6, and both ends of the optical fiber 6 are respectively provided with an optical transceiver 204; the hydraulic alarm bell 203 is respectively connected with the area control unit, the water supply device and the water pump control cabinet 202, and the fire alarm controller 201 is respectively connected with the water pump control cabinet 202 and each area control unit;
the filter 302 is respectively connected with the fire pool 301, the water replenishing tank 304 and the water pump 303, and the water pump is connected with the water pump control cabinet.
When a fire occurs in the comprehensive cabin of the comprehensive pipe rack, the smoke detector 105 and the temperature detector 106 under the control of the fire extinguishing controller 103 detect the occurrence of a fire situation, the fire acousto-optic alarm 107 sends out an alarm indication and transmits a fire signal to the fire alarm controller 201, the fire alarm controller controls the response of the water pump control cabinet 202, and the fire pump 303 and the hydraulic alarm bell 203 are connected; finally, the area control unit 101 controls all the fire extinguishing devices 109 in the corresponding fire-fighting zones to extinguish fire, and the spray water is continuously delivered from the fire pool 301 to the fire extinguishing devices 109 through the filter 302 by the fire pump 303.
Above-mentioned software method can this branch of academic or vocational study technical personnel according to the utility model discloses the structure is derived and is gone out, does not belong to the utility model discloses a protection scope.
To sum up, the utility model discloses can realize starting many times and put out a fire to can not lead to the fact chemical corrosion to the cable, also can not produce intractable filth after putting out a fire, the maintenance cost is low simultaneously, and water spray puts out a fire and decomposes into tiny water droplet fog through water pressure effect and spouts to the combustion thing, and the design water yield is big, sprays water droplet fog in a large number in the short time and can high-efficiently put out a fire to electrical apparatus conflagration. The extinguishing device is small, the extinguishing nozzle is arranged on the pipe gallery top plate for a short time, the gallery inner space is not occupied, and the extinguishing device can be linked quickly to extinguish fire continuously.
Claims (10)
1. The water spray automatic fire extinguishing device is applied to automatically extinguish fire of a comprehensive cabin of a comprehensive pipe rack, the comprehensive cabin comprises a plurality of areas and is characterized in that each area is provided with an area control unit, at least one smoke detector and a fire extinguisher, the area control unit is respectively connected with the smoke detectors and the fire extinguishers, the fire extinguishers are arranged on a comprehensive cabin top plate, and the area control units are used for controlling the fire extinguishers in the corresponding areas according to signals of the smoke detectors in the areas.
2. A water spray automatic fire extinguishing device according to claim 1, wherein each zone is further provided with a fire suppression controller disposed between the zone control unit and the smoke detector.
3. A water spray automatic fire extinguishing device as recited in claim 2, wherein each zone is further provided with at least one temperature sensitive detector, the temperature sensitive detector being connected to the fire suppression controller.
4. A water spray automatic fire extinguishing device according to claim 2 or 3, wherein each zone is further provided with at least one fire audible and visual alarm connected to a fire extinguishing controller.
5. A water mist automatic fire suppression apparatus as claimed in claim 4, wherein each zone is further provided with at least one emergency on-off button connected to a fire suppression controller.
6. A water mist automatic fire extinguisher according to claim 5, wherein said extinguisher is a centrifugal atomizing type water mist nozzle.
7. The fire alarm and fire extinguishing linkage system is characterized by comprising the water spray automatic fire extinguishing device according to any one of claims 1 to 6, and further comprising a fire alarm controller, a water pump control cabinet and a water supply device, wherein the water pump control cabinet is respectively connected with the water supply device, the water spray automatic fire extinguishing device and the fire alarm controller, the fire alarm controller is used for controlling the water pump control cabinet according to a fire signal received from the water spray automatic fire extinguishing device, and the water pump control cabinet controls a water pump to work after responding to the fire signal, so that water is supplied to a fire extinguisher in the water spray automatic fire extinguishing device.
8. A fire alarm and fire extinguishing linkage system according to claim 7, further comprising a water alarm bell, wherein the water alarm bell is connected with the water pump control cabinet.
9. A fire alarm and fire extinguishing linkage system according to claim 7, further comprising a fire extinguishing apparatus intelligent control host, wherein the fire extinguishing apparatus intelligent control host is respectively connected with each area control unit.
10. A fire alarm and fire extinguishing linkage system according to any one of claims 7 to 9, wherein the water supply device comprises a fire pool, a filter, a water replenishing tank and a water pump, the filter is respectively connected with the fire pool, the water replenishing tank and the water pump, and the water pump is connected with a water pump control cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220679098.8U CN217661191U (en) | 2022-03-25 | 2022-03-25 | Water spray automatic fire extinguishing device and fire alarm and fire extinguishing linkage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202220679098.8U CN217661191U (en) | 2022-03-25 | 2022-03-25 | Water spray automatic fire extinguishing device and fire alarm and fire extinguishing linkage system |
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| CN217661191U true CN217661191U (en) | 2022-10-28 |
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| CN202220679098.8U Active CN217661191U (en) | 2022-03-25 | 2022-03-25 | Water spray automatic fire extinguishing device and fire alarm and fire extinguishing linkage system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114522364A (en) * | 2022-03-25 | 2022-05-24 | 中国电建集团成都勘测设计研究院有限公司 | Water spray automatic fire extinguishing device, fire alarm and fire extinguishing linkage system and fire extinguishing method |
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2022
- 2022-03-25 CN CN202220679098.8U patent/CN217661191U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114522364A (en) * | 2022-03-25 | 2022-05-24 | 中国电建集团成都勘测设计研究院有限公司 | Water spray automatic fire extinguishing device, fire alarm and fire extinguishing linkage system and fire extinguishing method |
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