Electric heating double-starting non-pressure-storage type perfluorohexanone fire extinguishing device

Abstract

The utility model discloses an electric heating double-start non-stored pressure type perfluorohexanone fire extinguishing device which comprises a device shell, perfluorohexanone fire extinguishing agents are filled in the device shell, an upper blanking cap is installed at the left end of the device shell in a sealed mode, a connector is arranged on the outer side of the upper blanking cap, and a rupture disk is fixed to the connector through a water mist spray head. The piston is arranged at the right end of the device shell in a sealed mode, the lower blocking cover is arranged on the outer side of the piston in a sealed mode, and a cavity is reserved between the piston and the lower blocking cover. The hot start can perform fixed-point protection on a protection area by extending a thermal initiation line, the two modes are combined for use, the actual use requirements of a user can be met to the maximum extent, and meanwhile the gas production grain is placed in a cavity of the body, a rubber plug, a single-line ignition structure, epoxy resin sealing and the like are used, so that the gas production grain can be ignited. The gas production grain is less interfered by the external environment as much as possible so as to maintain the optimal working state.

Description

Technical Field

[0001] The utility model relates to the technical field of fire extinguishing devices, in particular to a non-pressurized perfluorhexanone fire extinguishing device with dual electric and thermal activation. Background Art

[0002] With the rapid development of the power system, various distribution cabinets have been widely used in load centers such as urban residential areas, high-rise buildings, large public buildings, factories and enterprises. Most distribution cabinets are placed outdoors and are prone to failures and fires during long-term operation due to reasons such as blocked heat dissipation holes, overloading, poor contact, and arrester failures. Due to the particularity of electrical fires, conventional fire extinguishing devices cannot effectively extinguish fires, which may lead to serious consequences. Therefore, it is necessary to design a fire extinguishing device suitable for preventing and controlling fires in distribution cabinets. This fire extinguishing device uses perfluorhexanone fire extinguishing agent because perfluorhexanone has high fire extinguishing efficiency, excellent insulation, compatibility, and environmental protection, and is suitable for fire sites that are not suitable to be extinguished with other fire extinguishing agents and should not have significant secondary pollution after extinguishing. It can be applied to fire protection in places such as data centers, oil and gas platforms, communication centers, museums, libraries, archives, ships, distribution rooms, rail transit, and precision equipment. In addition, in the prior art, no matter which activation method is adopted, the thermal ignition wire of the device will be ignited, and a cavity will be formed after ignition, extending from the position where the gas generating charge is located to the outside. If this cavity is not treated, a part of the gas generated by the gas generating charge after ignition will leak from this cavity, affecting the overall driving effect of the device. Content of the Utility Model

[0003] In order to overcome the deficiencies of the prior art, the utility model provides a non-pressurized perfluorhexanone fire extinguishing device with dual electric and thermal activation, which solves the problems of single activation method of the fire extinguishing device in the prior art and easy failure in humid environments.

[0004] A non-pressurized perfluorhexanone fire extinguishing device with dual electric and thermal activation includes a device housing filled with perfluorhexanone fire extinguishing agent inside. An upper plug cover is hermetically installed at the left end of the device housing, and a connector is arranged outside the upper plug cover. A fine water mist nozzle fixes a bursting disc on the connector. A piston is hermetically arranged at the right end of the device housing, and a lower plug cover is hermetically arranged outside the piston. A cavity is left between the piston and the lower plug cover, and a gas generating assembly is installed inside the cavity. The activation assembly is connected to the lower plug cover.

[0005] Furthermore, a protective cover is sleeved outside the device housing, and an upper support plate and a lower support plate are respectively arranged at both ends of the protective cover.

[0006] Furthermore, the activation assembly consists of a plug. The thermal ignition wire and the electric ignition wire are fixed inside the plug after passing through a silica gel sleeve. The thermal ignition wire and the electric ignition wire are fixed by epoxy resin potting inside the plug and covered with a yellow wax tube outside the plug.

[0007] Further, the end of the electric ignition wire is flush with the end of the plug, and the end of the thermal ignition wire extends beyond the end of the plug.

[0008] Further, it further includes a gas generating assembly composed of a charge sleeve. The gas generating charge is arranged at the bottom of the charge sleeve and is sealed with a rubber plug. The thermal ignition wire passes through the center of the rubber plug and the gas generating charge until the bottom of the charge sleeve, and the charge sleeve is connected to the lower plug.

[0009] Further, a plurality of through holes are provided at the end of the charge sleeve.

[0010] Further, it further includes that the upper support plate and the lower support plate are fixed to the protective cover by screws, and installation holes are reserved on both the upper support plate and the lower support plate.

[0011] Advantages of the utility model:

[0012] 1. The gas generating charge is the core component for driving a non-pressurized fire extinguishing device, and it needs to be protected with emphasis to avoid contact with the external environment as much as possible, so as to prevent moisture absorption and dampness from affecting the driving effect. In the utility model, by placing the gas generating charge inside the cavity of the body and using means such as rubber plugs, single-wire ignition structures, and epoxy resin sealing, the gas generating charge is minimally interfered by the external environment to maintain the best working state.

[0013] 2. The utility model has two starting methods: electric and thermal. The electric starting method consumes less energy and does not require continuous power supply; the thermal starting can be carried out by extending the thermal ignition wire to provide fixed-point protection for the protected area. The combination of the two methods can maximally meet the actual use needs of users.

[0014] 3. In the utility model, a heat shrinkable tube with a suitable size is sleeved outside the thermal ignition wire, which does not affect the normal function of the thermal ignition wire. After its action, the heat generated by combustion causes the heat shrinkable tube to shrink and be fixed in the cavity, minimizing the leakage of the driving gas to ensure the effect of the device.

[0015] 4. The perfluorinated hexanone fire extinguishing agent used in the utility model has a low boiling point, is easy to absorb heat and vaporize, and is a colorless liquid at room temperature, which is convenient for storage and transportation. It does not damage the ozone layer and has no harm of generating the greenhouse effect. There is no residue on the surface of the object after vaporization and it is non-conductive. All these excellent physical properties make it suitable as a fire inhibitor, especially suitable for important places such as libraries, museums, and electronic equipment machine rooms, and it will not damage the protected objects while suppressing fires. Description of the drawings

[0016] Figure 1 It is a schematic diagram of the overall structure of a non-pressurized perfluorinated hexanone fire extinguishing device with dual electric and thermal starting.

[0017] Figure 2It is a schematic structural diagram of a starting component of a non-pressurized perfluorohexanone fire extinguishing device with dual electric and thermal starting;

[0018] Figure 3 It is a schematic structural diagram of a starting gas-producing component of a non-pressurized perfluorohexanone fire extinguishing device with dual electric and thermal starting;

[0019] Figure 4 It is a front view of the structure of a non-pressurized perfluorohexanone fire extinguishing device with dual electric and thermal starting;

[0020] Figure 5 It is a right view of the structure of a non-pressurized perfluorohexanone fire extinguishing device with dual electric and thermal starting.

[0021] In the figure: 1 - device housing, 2 - upper plug, 3 - joint, 4 - fine water mist nozzle, 5 - bursting disc, 6 - piston, 7 - lower plug, 8 - starting component, 9 - gas-producing component, 10 - perfluorohexanone fire extinguishing agent, 11 - protective cover, 12 - upper support plate, 13 - lower support plate, 14 - yellow wax tube, 15 - plug, 16 - thermal initiation wire, 17 - electric ignition wire, 18 - silica gel sleeve, 19 - epoxy resin, 20 - wire harness connector, 21 - propellant sleeve, 22 - gas-producing propellant, 23 - rubber plug, 24 - screw. Specific embodiments

[0022] The following specific embodiments illustrate the implementation manners of the present invention. Those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. Although the description of the present invention will be introduced in conjunction with preferred embodiments, this does not mean that the features of this invention are limited to this implementation manner. On the contrary, the purpose of introducing the invention in conjunction with the implementation manner is to cover other alternatives or modifications that may be extended based on the claims of the present invention. To provide a deep understanding of the present invention, many specific details will be included in the following description. The present invention can also be implemented without using these details. In addition, to avoid confusing or obscuring the key points of the present invention, some specific details will be omitted in the description. It should be noted that, without conflict, the embodiments in this application and the features in the embodiments can be combined with each other. It should be noted that in this specification, similar reference numerals and letters denote similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0023] Unless otherwise defined, the technical terms or scientific terms used in this utility model shall have the ordinary meanings understood by those with ordinary skills in the field to which this utility model belongs. The terms "first", "second" and similar terms used in this utility model do not denote any order, quantity or importance, but are only used to distinguish different components. Similarly, terms such as "a" or "one" do not denote a quantity limitation, but mean that there is at least one. Terms such as "provided", "connected", "coupled" and the like 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 directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in this embodiment can be understood according to specific situations. The orientation or positional relationship indicated by "upper", "lower", "left", "right", "inner", "bottom" and the like is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the utility model product is usually placed during use. It is only for the convenience of describing this utility model and simplifying the description, rather than indicating or implying 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 construed as a limitation to this utility model.

[0024] To make the objectives, technical solutions and advantages of this utility model clearer, the embodiments of this utility model will be further described in detail below with reference to the drawings.

[0025] In this embodiment, as shown in the attached Figures 1-5 figures, a non-pressurized perfluoroketone fire extinguishing device with dual electric and thermal activation includes a device housing 1. The device housing 1 is filled with perfluoroketone fire extinguishing agent 10. An upper plug 2 is hermetically installed at the left end of the device housing 1. A connector 3 is arranged outside the upper plug 2. A fine water mist nozzle 4 fixes a bursting disc 5 on the connector 3. A piston 6 is hermetically arranged at the right end of the device housing 1. A lower plug 7 is hermetically arranged outside the piston 6. A cavity is left between the piston 6 and the lower plug 7. A gas generating assembly 9 is installed inside the cavity. A starting assembly 8 is connected to the lower plug 7.

[0026] Furthermore, a protective cover 11 is sleeved outside the device housing 1. Upper support plates 12 and lower support plates 13 are respectively arranged at both ends of the protective cover 11.

[0027] Furthermore, the starting assembly 8 consists of a plug 15. A thermal initiation wire 16 and an electric ignition wire 17 are inserted into a silica gel sleeve 18 and then fixed inside the plug 15. The thermal initiation wire 16 and the electric ignition wire 17 are encapsulated and fixed inside the plug 15 using epoxy resin 19, and are covered with a yellow wax tube 14 outside the plug 15.

[0028] Further, the end of the electric ignition wire 17 is flush with the end of the plug 15, and the end of the thermal ignition wire 16 extends beyond the end of the plug 15.

[0029] Further, it further includes a gas generating assembly 9 composed of a charge sleeve 21. A gas generating charge 22 is arranged at the bottom of the charge sleeve 21 and is sealed with a rubber plug 23. The thermal ignition wire 16 passes through the center of the rubber plug 23 and the gas generating charge 22 until the bottom of the charge sleeve 21, and the charge sleeve 21 is connected to the lower end cap 7.

[0030] Further, a plurality of through holes are provided at the end of the charge sleeve 21.

[0031] Further, it further includes an upper support plate 12 and a lower support plate 13 which are fixed to the protective cover 11 by screws 24, and both the upper support plate 12 and the lower support plate 13 are provided with mounting holes.

[0032] The specific working process of this application is as follows:

[0033] When a fire breaks out inside a target protection area such as a power distribution cabinet, the fire extinguishing device can be started by an electric control method. Its working process is that the electric control signal is transmitted to the electric ignition wire 17 through the wire harness connector 20, igniting the ignition head fixed inside the silica gel sleeve 18. The ignition head simultaneously ignites the thermal ignition wire 16 fixed inside the silica gel sleeve 18, and the flame ignites the gas generating charge 22 placed inside the charge sleeve 21 along the line. The gas generated by the gas generating charge pushes the piston 6, and the perfluoromethylcyclohexane fire extinguishing agent 10 breaks through the seal of the rupture disc 5 under the push of the piston 6 and sprays out from the fine water mist nozzle 4 fixed on the joint 3 to carry out fire protection on the fire area; this utility model can also be started by a heat source method. When a fire that breaks out inside the target protection area ignites the thermal ignition wire of the device, the flame can ignite the gas generating charge 22 placed inside the charge sleeve 21 along the line to start the fire extinguishing device to perform the fire extinguishing operation.

[0034] The beneficial effects of this utility model:

[0035] 1. The gas generating charge is the core component for driving a non-pressurized fire extinguishing device, and it needs to be protected with emphasis to avoid contact with the external environment as much as possible to prevent moisture absorption and dampness from affecting the driving effect. In this utility model, by placing the gas generating charge inside the cavity of the body and using means such as rubber plugs, single-wire ignition structures, and epoxy resin seals, the gas generating charge is minimally disturbed by the external environment to maintain the best working state;

[0036] 2. This utility model has two starting methods: electric and thermal. The electric starting method consumes less energy and does not require continuous power supply; thermal starting can perform fixed-point protection on the protected area by extending the thermal ignition wire. The combination of the two methods can meet the actual use needs of users to the greatest extent.

[0037] 3. In the present utility model, a heat shrinkable tube with a suitable size is sleeved outside the thermal initiation wire, which does not affect the normal function of the thermal initiation wire. After its action, the heat generated by combustion causes the heat shrinkable tube to shrink and be fixed in the cavity, minimizing the leakage of the driving gas to the greatest extent and ensuring the action effect of the device.

[0038] 4. The perfluoroketone fire extinguishing agent used in the present utility model has a low boiling point, is easy to absorb heat and vaporize, and is a colorless liquid at room temperature, which is convenient for storage and transportation. It does not damage the ozone layer and has no harm of generating the greenhouse effect. There is no residue on the surface of the object after vaporization and it is non-conductive. All these excellent physical properties make it suitable to be used as a fire inhibitor, especially suitable for important places such as libraries, museums, and electronic equipment computer rooms, and it will not cause damage to the protected objects while suppressing fires.

[0039] The above has shown and described the basic principles, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principles of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

Claims

1. A non-pressurized perfluoroketone fire extinguishing device with electric and thermal dual-starting, characterized in that, It includes a device housing (1), the interior of the device housing (1) is filled with perfluoromethyl hexanone fire extinguishing agent (10), an upper plug cover (2) is hermetically installed at the left end of the device housing (1), a joint (3) is arranged on the outer side of the upper plug cover (2), a fine water mist nozzle (4) fixes a bursting disc (5) on the joint (3), a piston (6) is hermetically arranged at the right end of the device housing (1), a lower plug cover (7) is hermetically arranged on the outer side of the piston (6), a cavity is left between the piston (6) and the lower plug cover (7), a gas generating assembly (9) is installed inside the cavity, and a starting assembly (8) is connected to the lower plug cover (7).

2. The non-pressurized perfluorohexanone fire extinguishing device with electric heat dual-start according to claim 1, characterized in that, It further includes that a protective cover (11) is sleeved outside the device housing (1), and an upper support plate (12) and a lower support plate (13) are respectively arranged at both ends of the protective cover (11).

3. The non-pressurized perfluoroketone fire extinguishing device with electric and thermal dual-start according to claim 1, characterized in that, It further includes that the starting assembly (8) consists of a plug (15), a thermal initiation wire (16) and an electric ignition wire (17) are inserted into a silica gel sleeve (18) and then fixed inside the plug (15), the thermal initiation wire (16) and the electric ignition wire (17) are potted and fixed inside the plug (15) using epoxy resin (19), and the outside of the plug (15) is covered with a yellow wax tube (14).

4. The non-pressurized perfluorohexanone fire extinguishing device with electric and thermal dual-starting according to claim 3, characterized in that, The end of the electric ignition wire (17) is flush with the end of the plug (15), and the end of the thermal initiation wire (16) extends beyond the end of the plug (15).

5. An electrothermal double-starting non-pressurized perfluoromethylcyclohexanone fire extinguishing device according to claim 1, characterized in that, It further includes that the gas generating assembly (9) consists of a charge sleeve (21), a gas generating charge (22) is arranged at the bottom of the charge sleeve (21) and is blocked with a rubber plug (23), the thermal initiation wire (16) passes through the center of the rubber plug (23) and the gas generating charge (22) until the bottom of the charge sleeve (21), and the charge sleeve (21) is connected to the lower plug cover (7).

6. An electrothermal double-starting non-pressurized perfluoromethylcyclohexanone fire extinguishing device according to claim 5, characterized in that, A number of through holes are arranged at the end of the charge sleeve (21).

7. An electrothermal dual-start non-pressurized perfluorocyclohexanone fire extinguishing device according to claim 2, characterized in that, It further includes that the upper support plate (12) and the lower support plate (13) are fixed to the protective cover (11) by screws (24), and installation holes are reserved on both the upper support plate (12) and the lower support plate (13).

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