CN112032379A

CN112032379A - Multidimensional starting container valve

Info

Publication number: CN112032379A
Application number: CN202010712104.0A
Authority: CN
Inventors: 钟允晖; 陈达伟; 曹元成; 陈柯吉; 汤本度; 罗俊
Original assignee: Zhejiang Landun Electrician New Material Technology Co ltd
Current assignee: Zhejiang Landun Electrician New Material Technology Co ltd
Priority date: 2020-07-22
Filing date: 2020-07-22
Publication date: 2020-12-04

Abstract

The invention discloses a multidimensional starting container valve which comprises a body, wherein a valve cover is arranged on the upper part of the body, a valve body is arranged on the lower side of the valve cover, a valve core is arranged in the valve body, a leak detection meter is connected onto the valve body, a first locking nut is arranged on the outer part of the valve body, the inner side of the first locking nut is connected with a first locking joint, a safety valve and a safety diaphragm arranged at the top of the safety valve are further arranged on the body, the safety valve is arranged on a double-end shaft, a second locking nut is arranged on the double-end shaft, and the second locking nut is arranged on. Structurally, two paths of different release channels are arranged according to different requirements of local small-range control and large-range release of the fire extinguishing agent, and the on-off control of the solenoid valve is realized on the small channels, so that the start-stop control of the release of the fire extinguishing agent in a local range is realized; the container valve is provided with the temperature-sensing fire detecting tube to initiate starting, so that the single form of the traditional single-dependence electric control starting is avoided, the temperature-sensing control starting is adopted, and the safety and reliability are improved.

Description

Multidimensional starting container valve

Technical Field

The invention relates to the field of fire extinguishing devices, in particular to a multidimensional starting container valve in a fire extinguishing device.

Background

In recent years, with the advantages of high energy density, high output power, long charging and discharging life and the like of lithium batteries, the lithium batteries are widely applied to the fields of traffic power, electric power energy storage, mobile communication and the like, and have developed into an important part of new energy strategic industries in China. However, as the lithium battery is deeply applied in engineering, the fire safety problem is increasingly outstanding, and as the lithium battery is an energy-containing substance, especially when the lithium battery is overheated, short-circuited, extruded and the like, a large amount of heat is generated, chain reaction of the internal electrode material and the electrolyte is triggered, and thermal runaway occurs and large-scale fire and explosion accidents are developed.

At present in order to improve energy utilization density, in the space that is narrow and small relatively, set up more energy storage, the space has been extruded and can't ensure fire safety, for example arrange 2 MWh's battery capacity in the 40 chi energy storage containers, and electric core closely arranges in the pack, in case take place thermal runaway, very easily arouses chain fire spreading and explosion. The biggest problem of lithium cell thermal runaway is because it can continuously produce the heat, very easily arouses the after combustion, and traditional release technique evenly releases in whole space, and along with the fire extinguishing agent receives the effect of gravity and sinks, this kind is difficult to keep higher suppression concentration in longer a period near thermal runaway battery, and the fire extinguishing agent resource that can't be limited is abundant accurate utilization.

Therefore, the fire extinguishing technical equipment capable of releasing the fire extinguishing agent point to point and releasing the fire extinguishing agent controllably is quite in demand, and the existing fire extinguishing agent is protected from the thermal runaway battery pack point to point intermittently.

Disclosure of Invention

The invention aims to provide a multidimensional starting container valve which can stabilize the pressure in a fire detecting pipe, improve the conveying distance of a fire extinguishing agent and increase the protection range of the fire detecting pipe.

In order to solve the technical problems, the invention adopts the technical scheme that: a multi-dimensional starting container valve comprises a body, wherein a valve cover is arranged on the upper portion of the body, a valve body is arranged on the lower side of the valve cover, a valve core is arranged in the valve body, a leak detection meter is connected onto the valve body, a first locking nut is arranged on the outer portion of the valve body, the inner side of the first locking nut is connected with a first locking connector, a safety valve and a safety diaphragm arranged at the top of the safety valve are further arranged on the body, the safety valve is arranged on a double-end shaft, a second locking nut is arranged on the double-end shaft, and the second locking nut is; be equipped with end face seal between valve gap and the valve body, radial seal improves the sealing reliability of junction, and the valve gap top is equipped with sealed diaphragm, is equipped with the sealing washer between sealed diaphragm and the valve gap, is equipped with above the sealed diaphragm and compresses tightly the module, compresses tightly module and valve gap threaded connection, through the tight sealed diaphragm of screw thread pressure, prevents to reveal.

As an improvement, the bottom of the valve core is provided with a set screw, the set screw is provided with an air vent and is penetrated by an anti-blocking steel wire, the end part of the set screw is provided with an installation process hole and is locked with the valve core through threads to form an extrusion sealing ring, the sealing ring forms a larger sealing surface with the valve body after being extruded and deformed to improve the sealing effect, and the valve core and the valve body are provided with the sealing ring to form a partition between the cavity A, the cavity C and the cavity B.

As an improvement, the safety valve is provided with safety vent holes at the periphery, the safety vent holes are in threaded connection with the safety shaft sleeve, and the safety diaphragm is tightly pressed by screwing the safety valve, so that the separation between the channel G and the safety vent holes is realized.

As an improvement, the double-end shaft is in threaded connection with the valve body, the safety shaft sleeve is arranged in the middle, the ventilation channel G is arranged in the center, the upper end face and the lower end face of the safety shaft sleeve are planes, the sealing rings are arranged on the connection contact surface, the sealing rings and the sealing rings are sequentially arranged on the safety shaft sleeve and the double-end shaft from top to bottom, so that two seals are formed, the sealing reliability is improved, the second locking joint is arranged at the other end of the double-end shaft and is provided with the two sealing rings, the sealing reliability is improved, a step is arranged between the second locking nut and the second locking joint, when the second locking nut is locked through threads, the second locking joint and the double-end shaft form end face hard seal, the channel G and the channel H are blocked, and.

As an improvement, first lock joint and valve body between be equipped with twice sealing washer, first lock joint one end sets up to the arc surface, improves the reliability that the terminal surface is sealed firmly, the fire detection coupling is connected to the other end, first lock nut tightens up first lock joint and valve body through the step, blocks passageway D and passageway E, the passageway E of being convenient for and leak hunting table maintenance.

As an improvement, the container valve body is characterized in that the cavity B is a large-flow outlet and is provided with threads, so that the container valve body is conveniently connected with other pipelines, and the side wall of the valve body is provided with a channel D, so that gas in the cavity C can be conveniently and quickly discharged through the channel E.

The working principle is as follows:

when the fire extinguishing valve is standby to be used, the second locking nut is unscrewed to directly communicate the channel H with the channel G, namely, a fire extinguishing agent in the cavity A can directly enter the channel H, air pressure in the cavity A enters the cavity C through the small ventilation holes of the valve core, different thrust is formed on the upper surface and the lower surface of the valve core due to different sectional areas of the sealing surfaces, sealing is achieved, the temperature sensing fire detecting tube is installed on the fire detecting tube joint, the first locking nut is unscrewed, and the cavity C is communicated with the channel E.

The starting method is as follows: the electromagnetic valve is triggered through the electric control signal, the direct connection and disconnection between the channel H and the subsequent release pipeline are directly controlled, the valve core cannot be started, and the spraying and discharging can be started for multiple times through electric signals;

and a second starting mode: the temperature-sensing fire detecting tube is exploded, the air pressure in the channel E is discharged quickly, the air in the cavity C is discharged through the channel E, the small vent hole of the valve core cannot supplement air in time due to insufficient flow, the pressure of the valve core in the cavity A is higher than the pressure in the cavity C, the valve core is opened, the cavity A is communicated with the channel B, and the fire extinguishing agent is completely released from the channel B at one time.

And a third starting mode: triggering the electromagnetic driving device through an electric control signal, puncturing the sealing diaphragm after the battery driving device is electrified, discharging gas in the cavity C from the channel F, wherein the gas cannot be supplied in time due to insufficient flow of the small vent hole of the valve core, the valve core is higher than the pressure in the cavity C when being subjected to the pressure in the cavity A, the valve core is opened, the cavity A is communicated with the channel B, and the fire extinguishing agent is completely released from the channel B at one time.

The beneficial effects of the invention are as follows: structurally, two different release channels are arranged according to different requirements of local small-range control and large-range release of the fire extinguishing agent, and the on-off control of the solenoid valve is realized on the small channels, so that the start-stop control of the release of the fire extinguishing agent in a local range is realized; the container valve is provided with the temperature-sensing fire detecting tube to initiate starting, so that the traditional single form of starting only by electric control is avoided, the starting is controlled by temperature sensing, and the safety reliability is improved; the safety loop is tightened by adopting a double-end shaft, and meanwhile, the end face is sealed in a radial direction, so that the sealing requirement can be met, the direction of the safety valve can be adjusted, and the installation requirement can be met; locally small flow point-to-point release fire extinguishing agent on the process; the fire extinguishing agent is released in large flow by total flooding, and a large space is protected instantly; the temperature sensing starting function is provided, and the application reliability of the container valve is improved; the container valve releases the fire extinguishing agent and opens and stop controllably, and the fire extinguishing agent is spouted to intermittent type nature, can pass through the point-to-point spouting of intermittent type nature, persistence with current fire extinguishing agent, improves the utilization efficiency of fire extinguishing agent, solves the easy fire hazard characteristic of reburning of lithium cell, carries out long-term continuous cooling and puts out a fire.

Description of the drawings:

FIG. 1 is a schematic view of a multi-dimensional actuated container valve configuration;

FIG. 2 is a schematic view of a multi-dimensional actuated container valve in a cross-sectional view;

FIG. 3 is a schematic view of a multi-dimensional starting container valve in a pressure stabilizing working state;

fig. 4 is a schematic diagram of the structure of the multi-dimensional starting container valve cavity.

Detailed Description

As shown in fig. 1, 2 and 3, the multidimensional starting container valve comprises a body, wherein a valve cover 1 is arranged on the upper part of the body, a valve body 4 is arranged on the lower side of the valve cover, a valve core 6 is arranged in the valve body, a leak detection meter 10 is connected to the valve body, a first locking nut 13 is arranged outside the valve body, the inner side of the first locking nut is connected with a first locking joint 14, a safety valve 19 and a safety diaphragm 20 arranged at the top of the safety valve are also arranged on the body, the safety valve is arranged on a double-head shaft 22, the double-head shaft 22 is provided with a second locking nut 23, and the second locking nut is arranged on a second locking joint 24; be equipped with end face seal 2 between valve gap 1 and the valve body 4, radial seal 3 improves the sealing reliability of junction, and valve gap 1 top is equipped with sealed diaphragm 30, is equipped with sealing washer 29 between sealed diaphragm 30 and the valve gap, is equipped with above the sealed diaphragm 30 and compresses tightly module 31, compresses tightly module 31 and valve gap 1 threaded connection, compresses tightly sealed diaphragm 30 through the screw thread, prevents to reveal.

In this embodiment, 6 bottoms of case be equipped with holding screw 8, holding screw 8 is last to be equipped with the air vent to wear and prevent stifled

steel wire

7, 8 tip of holding screw are equipped with the installation fabrication hole, through screw and 6 locking of case, form extrusion sealing ring 9, form bigger sealed face with valve body 4 after sealing ring 9 extrusion deformation, improve sealed effect, case 6 is equipped with sealing ring 5 with valve body 4, forms to separate between cavity A, cavity C and the cavity B.

In this embodiment, the safety valve 19 is provided with safety vent holes around, and is in threaded connection with the safety shaft sleeve 21, and the safety valve 19 is screwed to compress the safety diaphragm 20, so as to realize the separation between the channel G and the safety vent holes.

In this embodiment, the double-ended shaft 22 is in threaded connection with the valve body 4, the safety shaft sleeve 21 is arranged in the middle, the ventilation channel G is arranged in the center, the upper end face and the lower end face of the safety shaft sleeve are planes, the sealing ring 27 is arranged on the connection contact surface, the sealing rings 26 and the sealing rings 28 are sequentially arranged on the safety shaft sleeve 21 and the double-ended shaft 22 from top to bottom, so that two seals are formed, the sealing reliability is improved, the second locking joint 24 is arranged at the other end of the double-ended shaft and is provided with the two sealing rings 25, the sealing reliability is improved, a step is arranged between the second locking nut 23 and the second locking joint 24, when the second locking nut 23 is locked by threads, the second locking joint 24 and the double-ended shaft 22 form end face hard seal, the channel G and the channel.

In this embodiment, two sealing rings 18 are arranged between the first locking joint 14 and the valve body 4, one end of the first locking joint is set to be an arc surface, so that the reliability of end face hard sealing is improved, the other end of the first locking joint is connected with the fire detecting pipe joint 15, the first locking nut 13 tightens the first locking joint 14 and the valve body 4 through steps, the channel D and the channel E are blocked, and the channel E and the leak detection meter 10 are convenient to maintain.

In this embodiment, the container valve body 4, the cavity B is a large flow outlet, and is provided with threads to facilitate connection with other pipelines, and the side wall of the valve body 4 is provided with a channel D to facilitate rapid release of gas in the cavity C through the channel E.

When the fire detector is standby for use, the second locking nut 24 is unscrewed, the channel H is directly communicated with the channel G, namely, the fire extinguishing agent in the cavity A can directly enter the channel H, the air pressure in the cavity A enters the cavity C through the small ventilation holes of the valve core 6, different thrust is formed on the upper surface and the lower surface of the valve core 6 due to different sectional areas of the sealing surfaces, sealing is achieved, the temperature sensing fire detecting tube is installed on the fire detecting tube connector 15, the first locking nut 13 is unscrewed, and the cavity C is communicated with the channel E.

The starting method is as follows: the electromagnetic valve 33 is triggered by an electric control signal, the direct connection and disconnection between the channel H and a subsequent release pipeline are directly controlled, the valve core 6 cannot be started, and the spraying and discharging can be started for multiple times through an electric signal;

and a second starting mode: the temperature-sensing fire detecting tube is exploded, the air pressure in the channel E is quickly released, the gas in the cavity C is released through the channel E, at the moment, the small ventilation hole of the valve core 6 cannot be timely supplemented with air due to insufficient flow, the valve core 6 is higher than the pressure in the cavity C when being subjected to the pressure in the cavity A, the valve core 6 is opened, the cavity A is communicated with the channel B, and the fire extinguishing agent is completely released from the channel B at one time.

And a third starting mode: the electromagnetic driving device 32 is triggered by an electric control signal, the battery driving device is electrified to pierce the sealing membrane 30, gas in the cavity C is discharged from the channel F, the small vent hole of the valve core 6 cannot supplement gas in time due to insufficient flow, the pressure of the valve core 6 in the cavity A is higher than the pressure in the cavity C, the valve core 6 is opened, the cavity A is communicated with the channel B, and the fire extinguishing agent is completely released from the channel B at one time.

Other embodiments of the present invention than the preferred embodiments described above will be apparent to those skilled in the art from the present invention, and various changes and modifications can be made therein without departing from the spirit of the present invention as defined in the appended claims.

Claims

1. A multidimensional starting container valve comprises a body, wherein a valve cover (1) is arranged on the upper portion of the body, a valve body (4) is arranged on the lower side of the valve cover, a valve core (6) is arranged in the valve body, a leak detection meter (10) is connected onto the valve body, a first locking nut (13) is arranged outside the valve body, the inner side of the first locking nut is connected with a first locking joint (14), a safety valve (19) and a safety diaphragm (20) arranged at the top of the safety valve are further arranged on the body, the safety valve is arranged on a double-head shaft (22), a second locking nut (23) is arranged on the double-head shaft (22), and the second locking nut is arranged on; be equipped with between valve gap (1) and valve body (4) end face seal (2), radial seal (3), improve the sealing reliability of junction, valve gap (1) top is equipped with sealed diaphragm (30), is equipped with between sealed diaphragm (30) and the valve gap sealing washer (29), is equipped with above sealed diaphragm (30) to compress tightly module (31), compresses tightly module (31) and valve gap (1) threaded connection, through tight sealed diaphragm (30) of screw thread pressure, prevents to reveal.

2. A multi-dimensional actuated container valve as defined in claim 1, wherein: case (6) bottom be equipped with holding screw (8), be equipped with the air vent on holding screw (8) to wear and prevent stifled steel wire (7), holding screw (8) tip is equipped with the installation fabrication hole, through screw thread and case (6) locking, form extrusion seal circle (9), form bigger sealed face with valve body (4) after sealing washer (9) extrusion deformation, improve sealed effect, case (6) are equipped with sealing washer (5) with valve body (4), form and cut off between cavity A, cavity C and the cavity B.

3. A multi-dimensional actuated container valve as defined in claim 1, wherein: the safety valve (19) is provided with safety discharge holes on the periphery and is in threaded connection with the safety shaft sleeve (21), and the safety diaphragm (20) is pressed by screwing the safety valve (19) to realize the partition between the channel G and the safety discharge holes.

4. A multi-dimensional actuated container valve as defined in claim 1, wherein: double-end axle (22) and valve body (4) threaded connection, the centre is equipped with safe axle sleeve (21), the center is equipped with air channel G, safe axle sleeve up and down terminal surface is the plane, be equipped with sealing washer (27) on the connection contact surface, safe axle sleeve (21) and double-end axle (22) are equipped with sealing washer (26) from top to bottom in proper order, sealing washer (28), thereby form twice sealed, improve sealing reliability, the double-end axle other end is equipped with second lock joint (24), be furnished with twice sealing washer (25), improve sealing reliability, be equipped with the step between second lock nut (23) and second lock joint (24), when second lock nut (23) pass through screw thread locking, second lock joint (24) and double-end axle (22) form the terminal surface hard seal, block passageway G and passageway H, the parts behind the passageway H of being convenient for overhaul.

5. A multi-dimensional actuated container valve as defined in claim 1, wherein: first lock connect (14) and valve body (4) between be equipped with twice sealing washer (18), first lock connects one end to set up to the arc surface, improves the reliability of terminal surface hard seal, spy fire coupling (15) are connected to the other end, first lock nut (13) tighten up first lock and connect (14) and valve body (4) through the step, block passageway D and passageway E, be convenient for passageway E and leak hunting table (10) maintenance.

6. A multi-dimensional actuated container valve according to claim 1 or 4, wherein: the container valve body (4) is provided with a thread for facilitating connection with other pipelines as the cavity B is a large-flow outlet, and a channel D is arranged on the side wall of the valve body (4) for facilitating quick release of gas in the cavity C through the channel E.