Heptafluoropropane fire extinguishing device capable of exhausting air and integrated system
By designing an integrated heptafluoropropane fire extinguishing device, the problem of chaotic equipment layout in the prior art is solved, and the aesthetics and installation efficiency are improved.
Patent Information
- Application Number
- CN202420555441.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-19
- Publication Date
- 2025-04-15
- Estimated Expiration
- 2034-03-19
AI Technical Summary
In the prior art, gas fire extinguishing devices and after-exhaust exhaust equipment are usually arranged separately, resulting in confusing equipment arrangement and poor aesthetics.
A heptafluoropropane fire extinguishing device that can be exhausted is designed, with integrated device cabinet, exhaust standpipe and heptafluoropropane fire extinguishing agent bottle. The space in the device cabinet is separated by vertical partitions and horizontal partitions, and the nozzles and exhaust ports are arranged reasonably to achieve the integration and hiding of equipment.
It effectively avoids the problem of chaotic equipment layout, improves the overall aesthetics of the protective space, and reduces installation costs and time through integrated systems.
Smart Images
Figure CN222752471U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of fire fighting, and in particular to a heptafluoropropane fire extinguishing device capable of exhausting air and an integrated system. Background Art
[0002] Heptafluoropropane fire extinguishing agent is colorless, odorless, low-toxic, non-conductive, does not pollute the protected object, and does not cause damage to property and precision facilities. It is widely used in fire protection of key areas such as computer rooms, archives, and telecommunications centers. According to the relevant specifications of the gas fire extinguishing system, a post-ventilation system should be set up in the protective space after the fire is extinguished. The exhaust port should be located at the bottom of the protective space and should be directly connected to the outdoors. The ventilation frequency should be no less than 5 times per hour. However, since gas fire extinguishing and post-ventilation belong to different professional design scopes, the existing technology usually arranges the gas fire extinguishing device cabinet and the exhaust equipment separately, which can easily cause confusion in equipment layout and poor aesthetics. Summary of the invention
[0003] The purpose of the utility model is to provide a heptafluoropropane fire extinguishing device and an integrated system capable of exhausting air, aiming at improving the overall aesthetics, in view of the deficiencies in the prior art.
[0004] The technical solution adopted by the utility model is: a heptafluoropropane fire extinguishing device capable of exhausting air, comprising a device cabinet, an exhaust riser and a heptafluoropropane fire extinguishing agent bottle;
[0005] A vertical partition is provided in the device cabinet, which divides the interior of the device cabinet into a left area and a right area that are parallel and unconnected to each other. The heptafluoropropane fire extinguishing agent bottle is installed in the left area; a valve is provided on the top of the heptafluoropropane fire extinguishing agent bottle, and the valve is connected to a nozzle through a connecting pipe. The nozzle is arranged on the side wall of the left area and the outlet of the nozzle faces the protection space; an exhaust riser is arranged in the right area, and a lower exhaust port is opened on the lower end side of the exhaust riser, and the lower exhaust port is connected to the protection space outside the device cabinet.
[0006] According to the above solution, the upper end of the exhaust riser is connected to the first fire damper arranged outside the device cabinet.
[0007] According to the above solution, the heptafluoropropane fire extinguishing agent bottle is also equipped with a pressure sensor.
[0008] According to the above scheme, a horizontal partition is provided in the left area of the device cabinet, dividing the left area into an upper left area and a lower left area; the HFC-227ea fire extinguishing agent bottle, valve, and pressure sensor are placed in the lower left area; the connecting pipe of the valve passes through the horizontal partition and is connected to the nozzle in the upper left area; the top of the upper left area is connected to the protective space.
[0009] The utility model also adopts a HFC-227ea fire extinguishing and exhaust integrated system, including an exhaust main pipe, and a plurality of exhaustable HFC-227ea fire extinguishing devices as described above; the exhaust main pipe is horizontally installed at the top of the protection space; an exhaust fan is arranged in the exhaust main pipe, and a second fire damper is arranged at the outer end of the exhaust main pipe; a plurality of HFC-227ea fire extinguishing devices are arranged in sequence and at intervals in the protection space, and the upper end of the exhaust riser of each HFC-227ea fire extinguishing device is connected to the exhaust main pipe.
[0010] According to the above scheme, upper exhaust ports are provided at intervals on the exhaust main pipe.
[0011] According to the above scheme, the exhaust main pipe is connected to the exhaust riser of each HFC-227ea fire extinguishing device through a flexible joint, the first fire damper of the exhaust riser is connected to one end of the flexible joint, and the other end of the flexible joint is connected to the exhaust main pipe.
[0012] According to the above scheme, the outlet of the heptafluoropropane fire extinguishing agent bottle is provided with a valve, and the opening and closing of the valve is controlled by a driving mechanism.
[0013] According to the above scheme, the integrated system can also be configured with a controller, the driving mechanism is an electromagnetic driving mechanism, the first fire damper and the second fire damper are both electromagnetic fire dampers; the driving mechanism, fire damper and exhaust fan are all connected to the controller.
[0014] The beneficial effects of the utility model are:
[0015] 1. The utility model integrates the gas fire extinguishing equipment and the subsequent exhaust duct into one, which can effectively avoid the problem of chaotic and uncoordinated layout of various professional equipment during the installation process; and the exhaust riser is hidden in the device cabinet, which improves the overall aesthetics of the protection space.
[0016] 2. The utility model can design an integrated system according to the size of the protection space, which can be used for fire protection of key areas such as computer rooms, archives, and telecommunications centers; the components in the integrated system can be assembled in the factory and installed in an integrated manner at the construction site, thereby reducing installation costs and improving installation aesthetics.
[0017] 3. The utility model has a simple structure, is safe and reliable, and has strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 Schematic diagram of the exhaustable heptafluoropropane fire extinguishing device in the utility model Figure 1 .
[0019] Figure 2 Schematic diagram of heptafluoropropane fire extinguishing device Figure 2 .
[0020] Figure 3It is a schematic diagram of the integrated system for fire extinguishing and exhausting of heptafluoropropane in the utility model.
[0021] Among them: 101, device cabinet; 1011, upper left area; 1012, lower left area; 1013, right area; 1014, vertical partition; 1015, horizontal partition; 102, HFC-227ea fire extinguishing agent bottle; 103, driving mechanism; 104, pressure sensor; 105, nozzle; 106, lower exhaust outlet; 107, exhaust riser; 108, first fire damper; 109, flexible joint; 201, exhaust fan; 202, upper exhaust outlet; 203, exhaust main pipe; 204, second fire damper. DETAILED DESCRIPTION
[0022] In order to better understand the present invention, the present invention is further described below in conjunction with the accompanying drawings and specific embodiments.
[0023] In the description of the present application, it should be noted that the terms "upper", "lower", "vertical", "horizontal", "inside", "outside", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the product of the application is usually placed when in use. They are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.
[0024] In the description of this application, it should also be noted that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.
[0025] like Figure 1 and Figure 2 The exhaustable HFC-227ea fire extinguishing device shown comprises a device cabinet 101, an exhaust riser 107 and a HFC-227ea fire extinguishing agent bottle 102;
[0026] A vertical partition 1014 is provided in the device cabinet 101, and the vertical partition 1014 divides the interior of the device cabinet 101 into a left area and a right area 1013 that are parallel and unconnected to each other; the HFC-227ea fire extinguishing agent bottle 102 is installed in the left area, and a valve is provided on the top of the HFC-227ea fire extinguishing agent bottle 102, and the valve is connected to the nozzle 105 through a connecting pipe, and the nozzle 105 is arranged on the side wall of the left area and the outlet of the nozzle 103 faces the protection space; an exhaust riser 107 is arranged in the right area 1013, and a lower exhaust port 106 is opened on the lower end side of the exhaust riser 107, and the lower exhaust port 106 is connected to the protection space outside the device cabinet 101; the exhaust riser 107 can be connected to the exhaust louvers on the outer wall of the building or the exhaust shaft.
[0027] The utility model is installed in work areas such as computer rooms, archives, and telecommunications centers to provide fire protection for key equipment in these work areas. The key equipment is located in the protection space, and a mounting hole is provided on the left side wall of the device cabinet. The nozzle 105 of the heptafluoropropane fire extinguishing system is embedded in the mounting hole, and the outlet of the nozzle 105 faces the protection space).
[0028] In this embodiment, the bottom of the lower air outlet 106 is 300 mm from the ground.
[0029] The valve of the HFC-227ea fire extinguishing agent bottle 102 is connected to the nozzle 105 through a connecting pipe; when a fire occurs, the valve of the HFC-227ea fire extinguishing agent bottle 102 opens, and the HFC-227ea fire extinguishing agent in the HFC-227ea fire extinguishing agent bottle 102 is sprayed outward through the nozzle 105, and released into the protected space to extinguish the fire; after the fire is extinguished, the HFC-227ea fire extinguishing agent passes through the lower exhaust port 106 and the exhaust riser 107, and is finally discharged through the exhaust louvers or exhaust shafts on the exterior walls of the building, thereby achieving ventilation of the protected space; the design of the exhaust louvers or exhaust shafts on the exterior walls of the building is a mature technology in the industry and will not be repeated here.
[0030] Preferably, the upper end of the exhaust riser 107 is connected to a first fire damper 108 provided outside the device cabinet 101 .
[0031] Preferably, the HFC-227ea fire extinguishing agent bottle 102 is also equipped with a pressure sensor 104, which is used to monitor the pressure of the fire extinguishing agent in the HFC-227ea fire extinguishing agent bottle 102. When the pressure in the bottle is too low, the valve of the HFC-227ea fire extinguishing agent bottle 102 is closed to stop releasing HFC-227ea. In this embodiment, the structure and installation method of the pressure sensor 104 are both mature technologies in the industry.
[0032] In the utility model, a transverse partition 1015 is provided in the left area of the device cabinet 101, dividing the left area into an upper left area 1011 and a lower left area 1012; the HFC-227ea fire extinguishing agent bottle 102, the valve, and the pressure sensor 104 are placed in the lower left area 1012; the connecting pipe of the valve passes through the transverse partition 1015 and is connected to the nozzle 105 in the upper left area 1011; the top of the upper left area 1011 is connected to the protective space.
[0033] For some larger protected spaces, multiple exhaust-capable HFC-227ea fire extinguishing cabinets 101 may be designed and integrated. Figure 3 The illustrated integrated system for HFC-227ea fire extinguishing and exhaust comprises an exhaust main pipe 203 and a plurality of exhaustable HFC-227ea fire extinguishing devices as described above; the exhaust main pipe 203 is horizontally installed at the top of the protection space; an exhaust fan 201 is arranged in the exhaust main pipe 203, and a second fire damper 204 is arranged at the outer end of the exhaust main pipe 203, which is connected to the exhaust louvers or exhaust shaft of the outer wall of the building through the second fire damper 204; a plurality of HFC-227ea fire extinguishing devices are arranged in sequence and at intervals in the protection space, and the upper end of the exhaust riser 107 of each HFC-227ea fire extinguishing device is connected to the exhaust main pipe 203.
[0034] In the utility model, the heptafluoropropane fire extinguishing device can be arranged according to the position of important equipment in the protection space.
[0035] Preferably, upper exhaust ports 202 are spaced apart on the exhaust main pipe 203, and the upper exhaust ports 202 and the lower exhaust ports 106 are used to ventilate the protection space.
[0036] Preferably, the exhaust main pipe 203 is connected to the exhaust riser 107 of each HFC-227ea fire extinguishing device via a flexible joint 109 . Specifically, the first fire damper 108 of the exhaust riser is connected to one end of the flexible joint 109 , and the other end of the flexible joint 109 is connected to the exhaust main pipe 203 .
[0037] The working principle of the utility model is:
[0038] 1. Under normal conditions, the valve of the HFC-227ea fire extinguishing agent bottle 102 is kept closed, the fire damper (including the first fire damper 108 and the second fire damper 204, the same below) and the exhaust fan 201 are kept open, and the air in the protection area is discharged to the outside through the lower exhaust port 106 and the upper exhaust port 202 to ensure ventilation of the protection space under normal conditions;
[0039] 2. When a fire occurs, the valve of the HFC-227ea fire extinguishing agent bottle 102 is opened, and the HFC-227ea fire extinguishing agent is released into the protection space through the nozzle 105 to extinguish the fire, so as to prevent damage to key equipment in the protection space; at the same time, the fire damper and the exhaust fan 201 are closed; the pressure sensor 104 monitors the pressure of the fire extinguishing agent in the HFC-227ea fire extinguishing agent bottle 102, and when the pressure in the bottle is too low, the valve of the HFC-227ea fire extinguishing agent bottle 102 is closed to stop releasing the HFC-227ea fire extinguishing agent;
[0040] 3. After the fire is over, personnel open the fire damper and exhaust fan 201 to exhaust the remaining HFC-227ea gas in the protected space to the outside.
[0041] In the present utility model, the outlet of the HFC-227ea fire extinguishing agent bottle 102 is provided with a valve, and the valve is controlled to open and close by the driving mechanism 103; this is a mature technology in the industry. In the present utility model, the integrated system can also be configured with a controller, the driving mechanism 103 is an electromagnetic driving mechanism, the first fire damper 108 and the second fire damper 204 are both electromagnetic fire dampers; the driving mechanism 103, the fire damper and the exhaust fan 201 can all be connected to the controller, and the controller controls the electromagnetic driving mechanism 103 to close or open the valve, and controls the opening and closing of the fire damper and the exhaust fan 201. When a fire occurs, the controller sends an instruction to the electromagnetic driving device to close the valve of the HFC-227ea fire extinguishing agent bottle 102, so that the HFC-227ea fire is released into the protection space through the nozzle 105 to extinguish the fire; at the same time, the controller controls the fire damper and the exhaust fan 201 to close. After the fire is extinguished, the personnel open the fire damper and the exhaust fan 201 through the controller to discharge the residual HFC-227ea gas in the protection space to the outside.
[0042] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.
[0043] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. However, any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A heptafluoropropane fire extinguishing device capable of exhausting air, characterized in that: Includes device cabinet, exhaust riser and HFC-227ea fire extinguisher bottle; A vertical partition is provided in the device cabinet, which divides the interior of the device cabinet into a left area and a right area that are parallel and unconnected to each other; the heptafluoropropane fire extinguishing agent bottle is installed in the left area, a valve is provided on the top of the heptafluoropropane fire extinguishing agent bottle, the valve is connected to the nozzle through a connecting pipe, the nozzle is provided on the side wall of the left area and the outlet of the nozzle faces the protection space; an exhaust riser is arranged in the right area, a lower exhaust port is opened on the lower end side of the exhaust riser, and the lower exhaust port is connected to the protection space outside the device cabinet.
2. The heptafluoropropane fire extinguishing device according to claim 1, characterized in that: The upper end of the exhaust riser is connected to a first fire damper arranged outside the device cabinet.
3. The heptafluoropropane fire extinguishing device according to claim 2, characterized in that: The heptafluoropropane fire extinguishing agent bottle is also equipped with a pressure sensor.
4. The heptafluoropropane fire extinguishing device according to claim 3, characterized in that: A transverse partition is provided in the left area of the device cabinet, dividing the left area into an upper left area and a lower left area; the HFC-227ea fire extinguishing agent bottle, valve, and pressure sensor are placed in the lower left area; the connecting pipe of the valve passes through the transverse partition and is connected to the nozzle in the upper left area; the top of the upper left area is connected to the protective space.
5. A heptafluoropropane fire extinguishing and exhaust integrated system, characterized in that: It comprises an exhaust main pipe, and a plurality of exhaustable HFC-227ea fire extinguishing devices as described in claim 4; the exhaust main pipe is horizontally installed at the top of the protection space; an exhaust fan is arranged in the exhaust main pipe, and a second fire damper is arranged at the outer end of the exhaust main pipe; a plurality of HFC-227ea fire extinguishing devices are arranged in sequence and at intervals in the protection space, and the upper end of the exhaust riser of each HFC-227ea fire extinguishing device is connected to the exhaust main pipe.
6. The heptafluoropropane fire extinguishing and exhaust integrated system as claimed in claim 5, characterized in that: Upper exhaust ports are spaced apart on the exhaust main pipe.
7. The heptafluoropropane fire extinguishing and exhaust integrated system as claimed in claim 6, characterized in that: The exhaust main pipe is connected to the exhaust riser of each HFC-227ea fire extinguishing device through a flexible joint, the first fire damper of the exhaust riser is connected to one end of the flexible joint, and the other end of the flexible joint is connected to the exhaust main pipe.
8. The heptafluoropropane fire extinguishing and exhaust integrated system as claimed in claim 5, characterized in that: The outlet of the heptafluoropropane fire extinguishing agent bottle is provided with a valve, and the opening and closing of the valve is controlled by a driving mechanism.
9. The heptafluoropropane fire extinguishing and exhaust integrated system as claimed in claim 8, characterized in that: The integrated system may also be configured with a controller, the driving mechanism is an electromagnetic driving mechanism, and the first fire damper is an electromagnetic first fire damper; the driving mechanism, the first fire damper and the exhaust fan are all connected to the controller.