CN211158267U - Building fire extinguishing system based on BIM - Google Patents
Building fire extinguishing system based on BIM Download PDFInfo
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- CN211158267U CN211158267U CN201921142880.0U CN201921142880U CN211158267U CN 211158267 U CN211158267 U CN 211158267U CN 201921142880 U CN201921142880 U CN 201921142880U CN 211158267 U CN211158267 U CN 211158267U
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Abstract
The utility model discloses a building fire-fighting system based on BIM, which belongs to the technical field of fire-fighting and comprises a carbon dioxide fire-fighting storage tank, a main electromagnetic valve, a main pressure sensor, a controller, a communication joint, a computer containing a BIM building information model, a plurality of fire sensors and a plurality of fire-fighting branches; the fire extinguishing branch comprises a secondary electromagnetic valve, a secondary pressure sensor and a nozzle device; the carbon dioxide fire extinguishing storage tank, the main electromagnetic valve, the main pressure sensor, the secondary electromagnetic valve, the secondary pressure sensor and the nozzle device are sequentially connected through pipelines; the main electromagnetic valve, the main pressure sensor, the secondary electromagnetic valve, the secondary pressure sensor and the fire sensor are respectively electrically connected with the controller; the controller is electrically connected with the computer through the communication connector. The utility model discloses a building fire extinguishing system based on BIM can carry out real time monitoring to each fire control state of fire extinguishing system, guarantees that the conflagration is accurate to put out, protects life and property safety.
Description
Technical Field
The utility model belongs to the technical field of the fire control, specifically speaking relates to a building fire extinguishing system based on BIM.
Background
The core of BIM is to provide a complete building engineering information base consistent with the actual situation for a virtual building engineering three-dimensional model by establishing the model and utilizing the digital technology. The BIM is applied to a building fire-fighting system, and can monitor each fire-fighting state of the fire-fighting system in real time, guarantee fire to extinguish accurately and protect life and property safety.
In addition, the existing building fire-fighting system mostly adopts water to extinguish fire, but in some closed equipment rooms, the equipment is easy to damage due to water fire extinguishment. The carbon dioxide is adopted for fire extinguishing, the price is low, the acquisition is easy, and the fire extinguishing mainly depends on the suffocation effect and partial cooling effect. Under normal pressure, liquid carbon dioxide can be immediately vaporized to generate a large amount of gas, and the fire extinguishing agent is an ideal fire extinguishing agent for closed spaces of building parts.
In the prior art, a building fire fighting system which utilizes carbon dioxide and adopts a BIM technology does not exist.
SUMMERY OF THE UTILITY MODEL
The utility model aims at above-mentioned weak point provide a building fire extinguishing systems based on BIM, the present fire extinguishing systems of settlement do not have one kind and utilize carbon dioxide to the building fire extinguishing systems who adopts the BIM technique carries out high efficiency and puts out a fire and control the scheduling problem. In order to achieve the above object, the utility model provides a following technical scheme:
a building fire-fighting system based on BIM comprises a carbon dioxide fire-fighting storage tank, a main electromagnetic valve, a main pressure sensor, a controller, a communication joint, a computer containing a BIM building information model, a plurality of fire sensors and a plurality of fire-fighting branches; the fire extinguishing branch comprises a secondary electromagnetic valve, a secondary pressure sensor and a nozzle device; the carbon dioxide fire extinguishing storage tank, the main electromagnetic valve, the main pressure sensor, the secondary electromagnetic valve, the secondary pressure sensor and the nozzle device are sequentially connected through pipelines; the main electromagnetic valve, the main pressure sensor, the secondary electromagnetic valve, the secondary pressure sensor and the fire sensor are respectively electrically connected with the controller; the controller is electrically connected with the computer through the communication connector. According to the structure, the carbon dioxide fire extinguishing storage tank is used for storing the carbon dioxide fire extinguishing agent, when the fire sensor senses a fire, the controller controls the main electromagnetic valve and the secondary electromagnetic valve to be opened, and the carbon dioxide fire extinguishing agent is sprayed out from the plurality of nozzle devices to extinguish fire at multiple points, so that the fire extinguishing efficiency is improved; the main pressure sensor is used for determining whether the pressure of the carbon dioxide extinguishing agent exists or not, determining whether the carbon dioxide extinguishing agent flows after the main electromagnetic valve is opened or not, and the secondary pressure sensor is used for determining whether the pressure of the carbon dioxide extinguishing agent exists or not, and determining whether the carbon dioxide extinguishing agent flows after the secondary electromagnetic valve is opened or not; the opening and closing information of the main electromagnetic valve, whether the main pressure sensor senses the pressure information of the fire extinguishing agent, the opening and closing information of the secondary electromagnetic valve, whether the secondary pressure sensor senses the pressure information of the fire extinguishing agent and whether the fire sensor senses the fire are transmitted to the controller, and the controller is transmitted to the computer containing the BIM building information model through the communication connector; whether can show fast whether conflagration breaks out in BIM building information model, whether main solenoid valve, time solenoid valve are opened, whether have carbon dioxide medium normal flow in the pipeline to this monitors each fire control state of fire extinguishing systems, ensures equipment steady operation.
Further, the spray head device comprises a rotating body; the rotating body is sleeved at the pipeline end and can rotate under the action of external force; the interior of the rotating body is a cavity and is communicated with the interior of the pipeline; a plurality of injection pipes are arranged on the circumference of the rotating body; the radial and circumferential tangent lines of the jet pipe and the rotating body form certain included angles, so that the rotating body can rotate when the jet pipe jets carbon dioxide. According to the structure, when the jet pipe jets carbon dioxide, the rotating body can rotate under the pushing of the carbon dioxide, so that the carbon dioxide can be jetted around the nozzle device, and the fire extinguishing efficiency is improved.
Furthermore, the plurality of injection pipes are arranged in pairs, and at least three pairs of injection pipes are arranged, and the phase angle of each pair of injection pipes is different by one hundred eighty degrees. According to the structure, the plurality of the injection pipes are arranged in pairs, so that the rotary body is stable when rotating to inject.
Furthermore, in the plurality of injection pipes, one pair of injection pipes are not provided with safety valves, and the rest pairs of injection pipes are provided with safety valves, and the conduction values of the safety valves in the same pair of injection pipes are equal, and the conduction values of the safety valves in different pairs of injection pipes are different. According to the structure, the controller controls the main electromagnetic valve and the secondary electromagnetic valve to be opened, the carbon dioxide extinguishing agent reaches the nozzle device, the safety valve plays a role in that when the pressure of the carbon dioxide exceeds the conduction value of the safety valve, the safety valve is opened, and the corresponding injection pipe can inject the carbon dioxide; when fire is put out at the beginning, the carbon dioxide fire extinguishing medium in the carbon dioxide fire extinguishing storage tank is more, the pressure of the carbon dioxide reaches the rotating body, all safety valves are opened, and the carbon dioxide is rapidly sprayed; after carbon dioxide is rapidly sprayed for a period of time, the carbon dioxide extinguishing medium in the carbon dioxide extinguishing storage tank is less and less, the pressure of the carbon dioxide to the rotating body is lower and lower, some safety valves with higher conduction values are gradually closed, and part of the safety valves are opened, so that the carbon dioxide extinguishing agent is only sprayed out from part of the spraying pipes, and the carbon dioxide extinguishing agent can still be continuously sprayed for a longer distance to maintain a larger extinguishing interval; the reason why no safety valve is provided in the pair of injection pipes is to completely discharge the carbon dioxide extinguishing agent regardless of the amount of the carbon dioxide extinguishing agent.
Furthermore, the fire sensors correspond to the fire extinguishing branches one by one; when the fire sensor senses a fire, a fire signal is transmitted to the controller, and the controller controls the main electromagnetic valve and the secondary electromagnetic valve corresponding to the fire extinguishing branch to be opened, so that carbon dioxide in the carbon dioxide fire extinguishing storage tank is conveyed to the corresponding nozzle device. According to the structure, the fire sensors and the fire extinguishing branches are in one-to-one correspondence, so that fire can be extinguished only aiming at the part where fire occurs, and waste of carbon dioxide fire extinguishing media is avoided.
Furthermore, when the fire sensor senses a fire, the controller firstly controls the secondary electromagnetic valve corresponding to the fire extinguishing branch to be opened and then controls the main electromagnetic valve to be opened. According to the structure, the main electromagnetic valve is directly communicated with the carbon dioxide fire extinguishing storage tank, and the borne pressure is higher, so that the controller firstly controls the secondary electromagnetic valve corresponding to the fire extinguishing branch to be opened, and then controls the main electromagnetic valve to be opened, and the protection of the secondary electromagnetic valve with low borne pressure is facilitated.
Furthermore, after the fire sensor senses the end of the fire, the controller controls the main electromagnetic valve to be closed firstly, and then controls the secondary electromagnetic valve corresponding to the fire extinguishing branch to be closed. According to the structure, the controller controls the main electromagnetic valve to be closed firstly, and then controls the secondary electromagnetic valve corresponding to the fire extinguishing branch to be closed, so that carbon dioxide in the pipeline between the main electromagnetic valve and the secondary electromagnetic valve is completely discharged, and the pressure of carbon dioxide flowing through the pipeline is prevented from being judged by the main pressure sensor in error.
The utility model has the advantages that:
1. the utility model discloses a building fire-fighting system based on BIM, which comprises a carbon dioxide fire-fighting storage tank, a main electromagnetic valve, a main pressure sensor, a controller, a communication joint, a computer containing a BIM building information model, a plurality of fire sensors and a plurality of fire-fighting branches; the fire extinguishing branch comprises a secondary electromagnetic valve, a secondary pressure sensor and a nozzle device; the carbon dioxide fire extinguishing storage tank, the main electromagnetic valve, the main pressure sensor, the secondary electromagnetic valve, the secondary pressure sensor and the nozzle device are sequentially connected through pipelines; the main electromagnetic valve, the main pressure sensor, the secondary electromagnetic valve, the secondary pressure sensor and the fire sensor are respectively electrically connected with the controller; the controller is electrically connected with the computer through the communication connector. The utility model discloses a building fire extinguishing system based on BIM can carry out real time monitoring to each fire control state of fire extinguishing system, guarantees that the conflagration is accurate to put out, protects life and property safety.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic sectional view of a sprinkler head assembly according to the present invention;
FIG. 3 is a schematic bottom view of a sprinkler head assembly embodying the present invention;
in the drawings: the fire extinguishing system comprises a carbon dioxide fire extinguishing storage tank 1, a main electromagnetic valve 2, a main pressure sensor 3, a controller 4, a communication joint 5, a computer 6, a fire sensor 7, a fire extinguishing branch 8, a secondary electromagnetic valve 81, a secondary pressure sensor 82, a spray head device 9, a rotating body 91 and a spray pipe 92.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments, but the present invention is not limited to the following embodiments.
The first embodiment is as follows:
see figures 1-3. A building fire-fighting system based on BIM comprises a carbon dioxide fire-fighting storage tank 1, a main electromagnetic valve 2, a main pressure sensor 3, a controller 4, a communication joint 5, a computer 6 containing a BIM building information model, a plurality of fire sensors 7 and a plurality of fire-fighting branches 8; the fire extinguishing branch 8 comprises a secondary electromagnetic valve 81, a secondary pressure sensor 82 and a spray head device 9; the carbon dioxide fire extinguishing storage tank 1, the main electromagnetic valve 2, the main pressure sensor 3, the secondary electromagnetic valve 81, the secondary pressure sensor 82 and the nozzle device 9 are sequentially connected through pipelines; the main electromagnetic valve 2, the main pressure sensor 3, the secondary electromagnetic valve 81, the secondary pressure sensor 82 and the fire sensor 7 are respectively electrically connected with the controller 4; the controller 4 is electrically connected with a computer 6 through a communication connector 5. According to the structure, the carbon dioxide fire extinguishing storage tank 1 is used for storing the carbon dioxide fire extinguishing agent, when the fire sensor 7 senses a fire, the controller 4 controls the main electromagnetic valve 2 and the secondary electromagnetic valve 81 to be opened, and the carbon dioxide fire extinguishing agent is sprayed out from the plurality of nozzle devices 9 to extinguish fire at multiple points, so that the fire extinguishing efficiency is improved; the main pressure sensor 3 is used for determining whether the pressure of the carbon dioxide extinguishing agent exists or not, determining whether the carbon dioxide extinguishing agent flows after the main electromagnetic valve 2 is opened or not, and the secondary pressure sensor 82 is used for determining whether the pressure of the carbon dioxide extinguishing agent exists or not, and determining whether the carbon dioxide extinguishing agent flows after the secondary electromagnetic valve 81 is opened or not; the opening and closing information of the main electromagnetic valve 2, whether the main pressure sensor 3 senses the pressure information of the fire extinguishing agent, the opening and closing information of the secondary electromagnetic valve 81, whether the secondary pressure sensor 82 senses the pressure information of the fire extinguishing agent and whether the fire sensor 7 senses the fire are transmitted to the controller 4, and the controller 4 is transmitted to the computer 6 containing the BIM building information model through the communication joint 5; whether the fire disaster happens or not can be rapidly displayed in the BIM building information model, whether the main electromagnetic valve 2 and the secondary electromagnetic valve 81 are opened or not, and whether carbon dioxide medium normally flows through the pipeline or not, so that each fire fighting state of the fire extinguishing system is monitored, and the stable operation of equipment is ensured.
Example two:
see figures 1-3. A building fire-fighting system based on BIM comprises a carbon dioxide fire-fighting storage tank 1, a main electromagnetic valve 2, a main pressure sensor 3, a controller 4, a communication joint 5, a computer 6 containing a BIM building information model, a plurality of fire sensors 7 and a plurality of fire-fighting branches 8; the fire extinguishing branch 8 comprises a secondary electromagnetic valve 81, a secondary pressure sensor 82 and a spray head device 9; the carbon dioxide fire extinguishing storage tank 1, the main electromagnetic valve 2, the main pressure sensor 3, the secondary electromagnetic valve 81, the secondary pressure sensor 82 and the nozzle device 9 are sequentially connected through pipelines; the main electromagnetic valve 2, the main pressure sensor 3, the secondary electromagnetic valve 81, the secondary pressure sensor 82 and the fire sensor 7 are respectively electrically connected with the controller 4; the controller 4 is electrically connected with a computer 6 through a communication connector 5. According to the structure, the carbon dioxide fire extinguishing storage tank 1 is used for storing the carbon dioxide fire extinguishing agent, when the fire sensor 7 senses a fire, the controller 4 controls the main electromagnetic valve 2 and the secondary electromagnetic valve 81 to be opened, and the carbon dioxide fire extinguishing agent is sprayed out from the plurality of nozzle devices 9 to extinguish fire at multiple points, so that the fire extinguishing efficiency is improved; the main pressure sensor 3 is used for determining whether the pressure of the carbon dioxide extinguishing agent exists or not, determining whether the carbon dioxide extinguishing agent flows after the main electromagnetic valve 2 is opened or not, and the secondary pressure sensor 82 is used for determining whether the pressure of the carbon dioxide extinguishing agent exists or not, and determining whether the carbon dioxide extinguishing agent flows after the secondary electromagnetic valve 81 is opened or not; the opening and closing information of the main electromagnetic valve 2, whether the main pressure sensor 3 senses the pressure information of the fire extinguishing agent, the opening and closing information of the secondary electromagnetic valve 81, whether the secondary pressure sensor 82 senses the pressure information of the fire extinguishing agent and whether the fire sensor 7 senses the fire are transmitted to the controller 4, and the controller 4 is transmitted to the computer 6 containing the BIM building information model through the communication joint 5; whether the fire disaster happens or not can be rapidly displayed in the BIM building information model, whether the main electromagnetic valve 2 and the secondary electromagnetic valve 81 are opened or not, and whether carbon dioxide medium normally flows through the pipeline or not, so that each fire fighting state of the fire extinguishing system is monitored, and the stable operation of equipment is ensured.
The head device 9 includes a rotary body 91; the rotating body 91 is sleeved at the pipeline end and can rotate under the action of external force; the inside of the rotating body 91 is a cavity and is communicated with the inside of the pipeline; a plurality of injection pipes 92 are arranged on the circumference of the rotating body 91; the injection pipe 92 and the radial and circumferential tangent lines of the rotating body 91 form a certain included angle, so that the rotating body 91 can rotate when the injection pipe 92 injects carbon dioxide. With the above structure, when the injection pipe 92 injects carbon dioxide, the rotating body 91 can rotate under the pushing of carbon dioxide, so that carbon dioxide can be injected around the nozzle device 9, and the fire extinguishing efficiency is improved.
Example three:
see figures 1-3. A building fire-fighting system based on BIM comprises a carbon dioxide fire-fighting storage tank 1, a main electromagnetic valve 2, a main pressure sensor 3, a controller 4, a communication joint 5, a computer 6 containing a BIM building information model, a plurality of fire sensors 7 and a plurality of fire-fighting branches 8; the fire extinguishing branch 8 comprises a secondary electromagnetic valve 81, a secondary pressure sensor 82 and a spray head device 9; the carbon dioxide fire extinguishing storage tank 1, the main electromagnetic valve 2, the main pressure sensor 3, the secondary electromagnetic valve 81, the secondary pressure sensor 82 and the nozzle device 9 are sequentially connected through pipelines; the main electromagnetic valve 2, the main pressure sensor 3, the secondary electromagnetic valve 81, the secondary pressure sensor 82 and the fire sensor 7 are respectively electrically connected with the controller 4; the controller 4 is electrically connected with a computer 6 through a communication connector 5. According to the structure, the carbon dioxide fire extinguishing storage tank 1 is used for storing the carbon dioxide fire extinguishing agent, when the fire sensor 7 senses a fire, the controller 4 controls the main electromagnetic valve 2 and the secondary electromagnetic valve 81 to be opened, and the carbon dioxide fire extinguishing agent is sprayed out from the plurality of nozzle devices 9 to extinguish fire at multiple points, so that the fire extinguishing efficiency is improved; the main pressure sensor 3 is used for determining whether the pressure of the carbon dioxide extinguishing agent exists or not, determining whether the carbon dioxide extinguishing agent flows after the main electromagnetic valve 2 is opened or not, and the secondary pressure sensor 82 is used for determining whether the pressure of the carbon dioxide extinguishing agent exists or not, and determining whether the carbon dioxide extinguishing agent flows after the secondary electromagnetic valve 81 is opened or not; the opening and closing information of the main electromagnetic valve 2, whether the main pressure sensor 3 senses the pressure information of the fire extinguishing agent, the opening and closing information of the secondary electromagnetic valve 81, whether the secondary pressure sensor 82 senses the pressure information of the fire extinguishing agent and whether the fire sensor 7 senses the fire are transmitted to the controller 4, and the controller 4 is transmitted to the computer 6 containing the BIM building information model through the communication joint 5; whether the fire disaster happens or not can be rapidly displayed in the BIM building information model, whether the main electromagnetic valve 2 and the secondary electromagnetic valve 81 are opened or not, and whether carbon dioxide medium normally flows through the pipeline or not, so that each fire fighting state of the fire extinguishing system is monitored, and the stable operation of equipment is ensured.
The head device 9 includes a rotary body 91; the rotating body 91 is sleeved at the pipeline end and can rotate under the action of external force; the inside of the rotating body 91 is a cavity and is communicated with the inside of the pipeline; a plurality of injection pipes 92 are arranged on the circumference of the rotating body 91; the injection pipe 92 and the radial and circumferential tangent lines of the rotating body 91 form a certain included angle, so that the rotating body 91 can rotate when the injection pipe 92 injects carbon dioxide. With the above structure, when the injection pipe 92 injects carbon dioxide, the rotating body 91 can rotate under the pushing of carbon dioxide, so that carbon dioxide can be injected around the nozzle device 9, and the fire extinguishing efficiency is improved.
The plurality of injection pipes 92 are arranged in pairs, and at least three pairs of injection pipes are arranged, and the phase angle of each pair of injection pipes 92 is different by one hundred and eighty degrees. According to the above structure, the plurality of injection pipes 92 are arranged in pairs, so that the rotary body 91 can perform rotary injection more smoothly.
Of the plurality of injection pipes 92, one pair of injection pipes 92 has no safety valve therein, and the remaining pairs of injection pipes 92 have safety valves therein, and the safety valves in the same pair of injection pipes 92 have the same conduction value, and the safety valves in different pairs of injection pipes 92 have different conduction values. As can be seen from the above structure, the controller 4 controls the main electromagnetic valve 2 and the sub electromagnetic valve 81 to open, the carbon dioxide extinguishing agent reaches the nozzle device 9, the safety valve functions in that when the carbon dioxide pressure exceeds the conduction value of the safety valve, the safety valve opens, and the corresponding injection pipe 92 can inject the carbon dioxide; when fire is put out at the beginning, the carbon dioxide extinguishing medium in the carbon dioxide extinguishing storage tank 1 is more, the pressure of the carbon dioxide reaches the rotating body 91, all safety valves are opened, and the carbon dioxide is rapidly sprayed; after the carbon dioxide is rapidly sprayed for a period of time, the carbon dioxide extinguishing medium in the carbon dioxide extinguishing storage tank 1 is less and less, the pressure of the carbon dioxide to the rotating body 91 is lower and lower, some safety valves with higher conduction values are gradually closed, and part of the safety valves are opened, so that the carbon dioxide extinguishing agent is only sprayed out from part of the spraying pipes 92, and the carbon dioxide extinguishing agent can still be continuously sprayed for a longer distance to maintain a larger extinguishing interval; the reason why there is no safety valve in the pair of injection pipes 92 is to completely discharge the carbon dioxide extinguishing agent regardless of the amount of the carbon dioxide extinguishing agent.
The fire sensors 7 correspond to the fire extinguishing branches 8 one by one; when the fire sensor 7 senses a fire, a fire signal is transmitted to the controller 4, and the controller 4 opens the main electromagnetic valve 2 and the sub electromagnetic valve 81 corresponding to the fire extinguishing branch 8, so that the carbon dioxide in the carbon dioxide fire extinguishing tank 1 is conveyed to the corresponding nozzle device 9. According to the structure, the fire sensors 7 and the fire extinguishing branches 8 are in one-to-one correspondence, so that fire can be extinguished only aiming at the part where fire occurs, and waste of carbon dioxide fire extinguishing media is avoided.
When the fire sensor 7 senses a fire, the controller 4 controls the sub-solenoid valve 81 corresponding to the fire extinguishing branch 8 to be opened, and then controls the main solenoid valve 2 to be opened. According to the structure, the main electromagnetic valve 2 is directly communicated with the carbon dioxide fire extinguishing storage tank 1, and the borne pressure is high, so that the controller 4 firstly controls the secondary electromagnetic valve 81 corresponding to the fire extinguishing branch 8 to be opened, and then controls the main electromagnetic valve 2 to be opened, thereby being beneficial to protecting the secondary electromagnetic valve 81 with low borne pressure.
After the fire sensor 7 senses the end of the fire, the controller 4 controls the main electromagnetic valve 2 to close first, and then controls the secondary electromagnetic valve 81 corresponding to the fire extinguishing branch 8 to close. According to the structure, the controller 4 controls the main electromagnetic valve 2 to be closed firstly, and then controls the secondary electromagnetic valve 81 corresponding to the fire extinguishing branch 8 to be closed, so that carbon dioxide in the pipeline between the main electromagnetic valve 2 and the secondary electromagnetic valve 81 is completely discharged, and the phenomenon that the main pressure sensor 3 judges the pressure of the carbon dioxide flowing through the pipeline by mistake is avoided.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the same way in the protection scope of the present invention.
Claims (4)
1. The utility model provides a building fire extinguishing system based on BIM which characterized in that: the system comprises a carbon dioxide fire extinguishing storage tank (1), a main electromagnetic valve (2), a main pressure sensor (3), a controller (4), a communication joint (5), a computer (6) containing a BIM building information model, a plurality of fire sensors (7) and a plurality of fire extinguishing branches (8); the fire extinguishing branch (8) comprises a secondary electromagnetic valve (81), a secondary pressure sensor (82) and a spray head device (9); the carbon dioxide fire extinguishing storage tank (1), the main electromagnetic valve (2), the main pressure sensor (3), the secondary electromagnetic valve (81), the secondary pressure sensor (82) and the nozzle device (9) are sequentially connected through pipelines; the main electromagnetic valve (2), the main pressure sensor (3), the secondary electromagnetic valve (81), the secondary pressure sensor (82) and the fire sensor (7) are respectively electrically connected with the controller (4); the controller (4) is electrically connected with the computer (6) through the communication connector (5).
2. The BIM-based building fire protection system of claim 1, wherein: the spray head device (9) comprises a rotating body (91); the rotating body (91) is sleeved at the pipeline end and can rotate under the action of external force; the interior of the rotating body (91) is a cavity and is communicated with the interior of the pipeline; a plurality of injection pipes (92) are arranged on the circumference of the rotating body (91); the jet pipe (92) and the radial and circumferential tangent lines of the rotating body (91) form a certain included angle, so that the rotating body (91) can rotate when the jet pipe (92) jets carbon dioxide.
3. The BIM-based building fire protection system of claim 2, wherein: the plurality of injection pipes (92) are arranged in pairs, at least three pairs of injection pipes are arranged, and the phase angle of each pair of injection pipes (92) is different by one hundred and eighty degrees.
4. The BIM-based building fire protection system of claim 2, wherein: in the plurality of injection pipes (92), one pair of injection pipes (92) is not provided with a safety valve, the other pairs of injection pipes (92) are provided with safety valves, the conduction values of the safety valves in the same pair of injection pipes (92) are equal, and the conduction values of the safety valves in different pairs of injection pipes (92) are different.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921142880.0U CN211158267U (en) | 2019-07-20 | 2019-07-20 | Building fire extinguishing system based on BIM |
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| CN201921142880.0U CN211158267U (en) | 2019-07-20 | 2019-07-20 | Building fire extinguishing system based on BIM |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112190864A (en) * | 2020-09-16 | 2021-01-08 | 安徽建筑大学 | Building fire extinguishing system based on BIM |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112190864A (en) * | 2020-09-16 | 2021-01-08 | 安徽建筑大学 | Building fire extinguishing system based on BIM |
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