阅读说明：本技术 减压式多功能容器阀 (Pressure-reducing type multifunctional container valve ) 是由 蒋慧敏 朱奇 于 2018-07-11 设计创作，主要内容包括：一种减压式多功能容器阀,设计了主、副阀芯组合结构,外形呈I字型,采用失压开启的机理,实现了低压探测、高压灭火的综合功能；主阀体左端装压力表、后端装安全阀、上端装副阀体、副阀芯、阀盖,副阀体左侧与阀盖上方装有内六角阀芯,主阀芯装于主阀体内；平时主阀芯处于关闭状态,副阀芯为减压输出状态、用于探测；火情时,感温或手动释放,将副阀芯上方的压力泄去,副阀芯开启,泄去主阀芯上方的压力,主阀芯开启,释放灭火,属于消防灭火领域；无需电源、不需火灾探测系统、无需电磁启动瓶组、不需更换膜片；由主阀芯、内六角阀芯、阀盖、副阀芯、弹簧、副阀体、主阀体、安全阀组成,在数据中心机柜、加工中心、装甲车具有广泛的应用前景。(A pressure reduction type multifunctional container valve is designed with a main valve core and an auxiliary valve core combined structure, the shape is I-shaped, and the comprehensive functions of low-pressure detection and high-pressure fire extinguishing are realized by adopting a pressure loss opening mechanism; the left end of the main valve body is provided with a pressure gauge, the rear end of the main valve body is provided with a safety valve, the upper end of the main valve body is provided with an auxiliary valve body, an auxiliary valve core and a valve cover, the left side of the auxiliary valve body and the upper part of the valve cover are provided with inner hexagonal valve cores, and the main valve core is arranged in the main valve; the main valve core is in a closed state at ordinary times, and the auxiliary valve core is in a decompression output state and is used for detection; when in fire, the temperature sensing or manual release is carried out, the pressure above the auxiliary valve core is released, the auxiliary valve core is opened, the pressure above the main valve core is released, the main valve core is opened, and the fire is released and extinguished, which belongs to the field of fire fighting and extinguishment; no power supply, no fire detection system, no electromagnetic starting bottle group and no diaphragm replacement are needed; the valve consists of a main valve core, an inner hexagonal valve core, a valve cover, an auxiliary valve core, a spring, an auxiliary valve body, a main valve body and a safety valve, and has wide application prospect in data center cabinets, machining centers and armored vehicles.)

1. A pressure reduction type multifunctional container valve is characterized in that a main valve core and an auxiliary valve core combined structure are designed, the appearance is I-shaped, and a pressure loss opening mechanism is adopted; the left end of the main valve body is provided with a pressure gauge, the rear end of the main valve body is provided with a safety valve, the upper end of the main valve body is provided with an auxiliary valve body, an auxiliary valve core and a top end screwed valve cover, a spring is arranged between the auxiliary valve core and the auxiliary valve body, the left side of the auxiliary valve body and the upper part of the valve cover are provided with an inner hexagonal valve core, the main valve core is arranged in the main valve body, a ball is arranged between the main valve core and; the main valve core is in a closed state at ordinary times, the inner hexagonal valve core on the valve cover is in a closed state, the inner hexagonal valve core on the left side of the auxiliary valve body is in an open state, the auxiliary valve core is in a decompression output state through the area ratio of the large shaft diameter to the small shaft diameter and the action of a spring, and the fire condition is detected in real time through temperature sensing elements uniformly distributed from a pipeline to a protection area; when in fire, the pressure above the auxiliary valve core is released through the temperature sensing element, or the inner hexagonal valve core on the valve cover is manually and emergently unscrewed, the pressure above the auxiliary valve core is directly released, the auxiliary valve core is opened upwards under the combined action of the pressure difference and the spring, the pressure above the main valve core is released, the main valve core moves upwards and is opened, and the high-pressure fire extinguishing agent is released to extinguish the fire; the safety valve consists of a pressure gauge (1), a round ball (2), a main valve core (3), an inner hexagonal valve core (4), a lining (5), an O-shaped ring (6), a valve cover (7), an auxiliary valve core (8), a spring (9), an auxiliary valve body (10), a sealing ring (11), a hollow bolt (12), a main valve body (13) and a safety valve (14).

2. A pressure-reducing multifunctional container valve as claimed in claim 1, wherein the secondary spool is stepped in the form of large, medium and small shafts, and has a recessed arc counter bore at its upper end, a central bore axially formed at its lower end and communicated with the transverse bore, a heat-cast seal ring embedded in its lower end, and an O-ring groove formed in the outer circumference of the large and small shafts.

3. A reduced pressure type multi-functional container valve according to claim 1, characterized in that the sub valve body is provided with a sub valve core hole, a spring counter bore, a capillary hole, the upper end surface and the left end surface are provided with O-ring grooves, the upper end is provided with an external straight thread, the left end is provided with an internal straight thread, the front end is provided with an internal tapered thread, the rear end is provided with an internal tapered thread, the capillary hole outlet is provided with a sealing boss, and the safety valve inlet hole is provided with a sealing boss; the cross section is respectively drilled with a safety valve air inlet hole and an inner hexagonal valve core air inlet transverse hole which are communicated with the central hole, and an inner hexagonal valve core air outlet inclined hole is communicated with the bottom surface of the front end inner cone thread.

Technical Field

The invention relates to a pressure-reducing type multifunctional container valve, which is designed with a main valve core and an auxiliary valve core combined structure, has an I-shaped appearance, adopts a pressure-loss opening mechanism, realizes the comprehensive functions of low-pressure detection and high-pressure fire extinguishing, does not need a fire-fighting power supply, and does not need a fire detection linkage system and an electromagnetic starting bottle group; the main valve core is in a closed state at ordinary times, and the auxiliary valve core is in a decompression output state and is used for real-time detection; when a fire occurs, the temperature sensing element starts to release the pressure above the auxiliary valve core, or the inner hexagonal valve core on the valve cover is manually screwed open, the pressure above the auxiliary valve core is released, the auxiliary valve core is opened, the pressure above the main valve core is released, the main valve core is opened, and the high-pressure fire extinguishing agent is released to extinguish the fire, which belongs to the field of fire fighting.

Background

The container valve of the existing national standard GB25972-2010 gas fire extinguishing system and the component mostly adopts a sealing diaphragm structure, the sealing diaphragm needs to be punctured for pressure relief starting during working, the sealing diaphragm needs to be replaced when the servo working state is recovered, the constant torque wrench is adopted for fastening, and the operation on the engineering site is inconvenient.

The existing container valve needs to be provided with a fire detection linkage system and an electromagnetic starting bottle group, a special fire-fighting power supply needs to be arranged, a full-submerged fire extinguishing mode is usually adopted, the system is complicated, however, for the fire in a control cabinet and in a processing center, the fire belongs to the itching of a separation boot, the spraying concentration in protected equipment is insufficient, and the fire extinguishing effect is poor; the current container valve of the fire detecting pipe has no manual emergency starting function and is only applied to a gas fire extinguishing system; conventional container valves have not been suitable for the application requirements of telecommunication base stations, transportation vehicles, wind turbine nacelles, electrical control cabinets.

Disclosure of Invention

In order to eliminate the operation of replacing the sealing membrane after the action of the conventional container valve; the application occasions without fire-fighting power supply or inconvenient and unreliable power supply are met; the invention provides a pressure-reducing multifunctional container valve integrating fire detection and fire extinguishment, which realizes the comprehensive functions of low-pressure detection and high-pressure fire extinguishment, does not need a power supply, a fire detection linkage system and an electromagnetic starting bottle group; a main valve core and an auxiliary valve core combined structure are designed, no sealing membrane is arranged, the appearance is I-shaped, and a decompression opening mechanism is adopted; the main valve core is in a closed state at ordinary times, and the auxiliary valve core is in a decompression output state and is used for detection; when in fire, the pressure above the auxiliary valve core is released through the temperature sensing element, or the inner hexagonal valve core on the valve cover is manually screwed open, the pressure above the auxiliary valve core is directly discharged, the auxiliary valve core is opened, the pressure above the main valve core is discharged, the main valve core is opened, and the high-pressure fire extinguishing agent is released to spray and extinguish the high-risk part of the protected object.

The invention is realized by the following technical scheme:

the pressure reducing type multifunctional container valve consists of: the pressure gauge comprises a pressure gauge (1), a ball (2), a main valve core (3), an inner hexagonal valve core (4), a bushing (5), an O-shaped ring (6), a valve cover (7), an auxiliary valve core (8), a spring (9), an auxiliary valve body (10), a sealing ring (11), a hollow bolt (12), a main valve body (13) and a safety valve (14); the left end of the main valve body is provided with a pressure gauge, the rear end of the main valve body is provided with a safety valve, the upper end of the main valve body is provided with an auxiliary valve body and an auxiliary valve core, the top end of the main valve body is provided with a valve cover in a screwing mode, a spring is arranged between the auxiliary valve core and the auxiliary valve body, the left side of the auxiliary valve body and the upper portion of the valve cover are provided with a lining.

Normally, the main valve core is in a closed state, the inner hexagonal valve core on the valve cover is in a closed state, the inner hexagonal valve core on the left side of the auxiliary valve body is in an open state, the auxiliary valve core is in a decompression output state, and the fire condition is detected in real time through temperature sensing elements uniformly distributed from a pipeline to a protection area; when in fire, the temperature sensing element is released to reduce the pressure above the auxiliary valve core, or the inner hexagonal valve core on the valve cover is manually and emergently unscrewed, the pressure above the auxiliary valve core is directly discharged, the auxiliary valve core moves upwards to open and release the pressure, the main valve core moves upwards to open, and the high-pressure fire extinguishing agent is released to extinguish the fire.

The novel beneficial effects of the invention are as follows: the combined structure of the main valve core and the auxiliary valve core is designed, the operation of replacing the sealing membrane after the action of the conventional container valve is eliminated, and the recovery and filling after fire extinguishing are convenient; the starting does not need a power supply, a fire detection linkage system or an electromagnetic starting bottle group; the fire extinguishing device has the advantages of realizing the functions of low-pressure detection and high-pressure quick fire extinguishing, having low-pressure detection cost and reduced leakage, integrating the functions of fire detection and fire extinguishing, and being suitable for fire extinguishing devices such as heptafluoropropane, carbon dioxide, nitrogen, water mist, superfine dry powder and the like.

Drawings

Fig. 1 is a main sectional view of the novel structure of the invention.

Fig. 2 is a cross-sectional view of the novel structure of the invention.

Fig. 3 is a cross-sectional view of a sub-valve body in the novel valve.

Fig. 4 is a cross-sectional view of a secondary valve spool according to the novel aspect of the present invention.

Detailed Description

The invention will be further described with reference to the accompanying drawings and specific embodiments:

the pressure reducing type multifunctional container valve consists of: the pressure gauge comprises a pressure gauge (1), a ball (2), a main valve core (3), an inner hexagonal valve core (4), a bushing (5), an O-shaped ring (6), a valve cover (7), an auxiliary valve core (8), a spring (9), an auxiliary valve body (10), a sealing ring (11), a hollow bolt (12), a main valve body (13) and a safety valve (14). The pressure-reducing type multifunctional container valve is arranged on a fire extinguishing agent storage bottle, high-pressure fire extinguishing agent is filled in the bottle according to the designed dosage, and the temperature sensing element and the fire extinguishing nozzle are uniformly arranged close to the high-risk part of the protected object through respective pipelines; the left end of the main valve body is provided with a pressure gauge, the rear end of the main valve body is provided with a safety valve, the upper end of the main valve body is provided with an auxiliary valve body and an auxiliary valve core, the top end of the main valve body is provided with a valve cover in a screwing way, a spring is arranged between the auxiliary valve core and the auxiliary valve body, the lower end of the auxiliary valve core is embedded with a hot-cast sealing ring, the outer circles of the large shaft and the small shaft are embedded with O-shaped rings, the auxiliary valve core is arranged; a bush and an inner hexagonal valve core are arranged on the left side of the auxiliary valve body and above the valve cover in a rotating mode, the bush is in static seal by adopting an O-shaped ring, and the inlet of the inner hexagonal valve core is in hard seal by adopting a conical surface; the lower end of the main valve core is embedded with a hot-cast sealing ring, an O-shaped ring is embedded in the outer circle of the main valve core, the main valve core is arranged in the main valve body cavity and is in clearance fit, the main valve core is sealed by the O-shaped ring embedded in the outer circle, and the ball is arranged between the main valve core and the hollow bolt to play a role in stopping return; at ordinary times, the main valve core moves downwards under the combined action of the pressure difference of the upper end and the lower end and the spring, the sealing ring is in contact with the valve body boss and is in a closed state, and the inner hexagonal valve core on the valve cover is in a closed state; the pressure in the fire extinguishing agent storage bottle is from the main valve core capillary hole, the auxiliary valve body capillary hole, the radial clearance between the auxiliary valve body and the auxiliary valve core, the auxiliary valve core transverse hole and the central hole to the upper end of the auxiliary valve core, the decompression state is maintained through the area ratio of the large axial diameter and the small axial diameter of the auxiliary valve core and the action of the spring, the inner hexagonal valve core on the left side of the auxiliary valve body is in an opening state during standby, the decompressed pressure is uniformly distributed to a protection area through a detection pipe connector a and a pipeline, and the fire condition is detected in real time; when a fire occurs, the temperature sensing element acts to release the pressure above the auxiliary valve core, or manually opens the inner hexagonal valve core on the valve cover in an emergency manner, directly releases the pressure above the auxiliary valve core, and starts the main valve core to release and extinguish the fire:

① the temperature sensing element around the protected object releases, the pressure above the secondary valve core releases pressure through the secondary valve core center hole, cross hole, the radial clearance between the secondary valve body and the secondary valve core, the inner hexagonal valve core air inlet cross hole e, the inclined hole c on the secondary valve body cross section, the detecting tube interface a, the temperature sensing element on the pipeline, the secondary valve core opens by the combined action of the lower end pressure and the spring and upward displacement, the pressure above the main valve core releases pressure through the secondary valve body center hole, the radial clearance between the secondary valve body and the secondary valve core, the inner hexagonal valve core air inlet cross hole e, the inclined hole c on the secondary valve body cross section, the detecting tube interface a, the temperature sensing element on the pipeline.

② the inner hexagonal valve core on the valve cover is manually screwed open, the pressure above the auxiliary valve core is discharged from several inclined holes in the valve cover, the auxiliary valve core is opened by upward displacement under the combined action of the pressure at the lower end and the spring, the pressure above the main valve core is discharged through the center hole of the auxiliary valve body, the radial gap between the auxiliary valve body and the auxiliary valve core, the transverse hole of the auxiliary valve core, the center hole, and the inclined holes d of the valve cover.

The pressure is released above the main valve core, the main valve core is pushed upwards by the pressure of the high-pressure fire extinguishing agent below under the damping action of the capillary hole, the high-pressure fire extinguishing agent is released from the outlet b of the main valve body through a pipeline and a fire extinguishing nozzle, and the fire is extinguished aiming at the high-risk part of the protected object. The technical scheme adopted by the invention for solving the technical problems is as follows: the pressure reduction type multifunctional container valve integrating the fire detection and fire extinguishing functions is designed, the comprehensive functions of low-pressure detection and high-pressure fire extinguishing are realized, a fire-fighting power supply is not needed, a fire detection linkage system is not needed, an electromagnetic starting bottle group is not needed, a pressure reduction type auxiliary valve core is designed, the auxiliary valve core is in a large, medium and small shaft step shape, the sectional area ratio of a large shaft to a small shaft is 12, a concave arc counter bore is processed at the upper end, a central hole is axially processed, the lower side of the auxiliary valve core is communicated with a transverse hole, a hot pouring sealing ring is embedded at the lower end of the auxiliary valve core, and O-shaped ring grooves are arranged on the outer; the auxiliary valve body is internally provided with an auxiliary valve core hole, a spring counter bore and a capillary hole, the upper end surface and the left end surface are provided with O-shaped ring grooves, the upper end is provided with an external straight thread, the left end is provided with an internal straight thread, the front end is provided with an internal tapered thread, and the auxiliary valve body is a detection pipe connector a and is connected with a pipeline and a temperature sensing element; the rear end is provided with an inner tapered thread which is a safety valve interface; a sealing boss is arranged at the capillary hole outlet, and a sealing boss is arranged at the safety valve air inlet; the cross section is respectively drilled with a safety valve air inlet hole, an inner hexagonal valve core air inlet transverse hole e communicated with the central hole, and an inclined hole c on the cross section of the auxiliary valve body, namely an inner hexagonal valve core air outlet inclined hole communicated with the bottom surface of the front end inner conical thread.

1) Rated working pressure: 12 MPa;

2) nominal diameter: DN25, 32, 40, 50;

3) ambient temperature: 0-50 ℃;

4) and (3) starting torque by hand: less than or equal to 20 N.m;

5) starting time: : less than or equal to 0.6 s;

the pressure-reducing multifunctional container valve has wide application prospect in data center cabinets, transformation and distribution control cabinets, machining centers, engines and oil tanks of buses, trains, armored cars, mobile communication machine stations and wind power generator cabins.

It will be appreciated by persons skilled in the art that the foregoing specific embodiments are provided merely for illustrative purposes and are not to be construed as limiting the scope of the invention, which is defined by the appended claims.