CN214808012U - Combined distribution type temperature sensing self-starting fire extinguishing device - Google Patents
Combined distribution type temperature sensing self-starting fire extinguishing device Download PDFInfo
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- CN214808012U CN214808012U CN202022472861.3U CN202022472861U CN214808012U CN 214808012 U CN214808012 U CN 214808012U CN 202022472861 U CN202022472861 U CN 202022472861U CN 214808012 U CN214808012 U CN 214808012U
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- temperature sensing
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Abstract
The utility model discloses a combination distribution formula temperature sensing self-starting extinguishing device, which comprises a body, the body includes energy storage battery holder, fire extinguishing agent bottle group, delivery header, distributing valve, distributing pipe, temperature sensing shower nozzle, and a plurality of battery boxes are put to the energy storage battery holder overhead, have arranged the lithium cell in the battery box, and the temperature sensing shower nozzle has been put to every battery box equipartition, is connected through the distributing pipe between temperature sensing shower nozzle and the distributing valve, is equipped with the delivery header between distributing valve and the fire extinguishing agent bottle group. The realization is as follows: firstly, the fire extinguishing agent releasing pipe is wound inside the battery box, so that the thermal runaway response speed of the lithium battery is improved, and meanwhile, when a fire disaster happens, the fire extinguishing agent can be released by the releasing pipe inside the battery box first, so that the fire extinguishing efficiency and the cooling effect are improved, and the thermal runaway spread of the lithium battery is prevented; and the release pipe in each battery box is in active connection with the main pipeline, so that the battery box is convenient to disassemble, assemble and maintain.
Description
Technical Field
The utility model relates to a extinguishing device field, concretely relates to combination distribution formula temperature sensing self-starting extinguishing device.
Background
The new energy industry is valued by the nation, the potential market development of the domestic lithium battery is expanded, the lithium battery has the advantages of high energy density, high output power, long charging and discharging service life and the like, is widely applied to the technical field of traffic power, the field of electric power energy storage, the field of mobile communication and the like, and is developed to become a part of the new energy strategic industry in China. However, with the deep application of lithium batteries in engineering, the fire safety problem is increasingly prominent, and since lithium batteries are energetic substances, especially when the lithium batteries are overheated, short-circuited, extruded and the like, a large amount of heat is generated to initiate chain reaction of internal electrode materials and electrolyte, so that thermal runaway occurs and large-scale fire and explosion accidents are developed.
At present, to the energy storage fire control safety design of the small-size energy storage power station of civilian side, lack the fire characteristic analysis to the lithium cell, lack the pertinence design of energy storage system overall arrangement, most have followed traditional fire detection tube formula extinguishing device, through engineering application investigation and fire extinguishing test analysis, discover that current device exists following several obvious not enough: the traditional fire detecting pipe is arranged on the outer surface of the battery box, so that the fire response speed is low, and the fire detecting pipe is not beneficial to timely extinguishing open fire; secondly, the fire extinguishing agent is released outside the battery box, the thermal runaway battery in the battery box cannot be cooled, the thermal runaway spread of the lithium battery is effectively organized, the fire spread of the lithium battery is rapid, and large-area fire is easily caused, so that serious potential safety hazards exist.
A fire extinguishing device with wider fire extinguishing coverage, more accurate fire extinguishing directionality and more in-place thermal runaway spread control is needed in the prior art.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a combination distribution formula temperature sensing self-starting extinguishing device effectively promotes fire extinguishing apparatus at security, the high efficiency of use, and the effective coverage area of fire extinguishing process is wider, the precision of putting out a fire is high, and fire extinguishing effect is better.
In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides a combination distribution formula temperature sensing self-starting extinguishing device, includes the body, the body includes energy storage battery rack, fire extinguishing agent bottle group, delivery main, distributing valve, distributing pipe, temperature sensing shower nozzle, and a plurality of battery boxes are put to the energy storage battery rack overhead, have arranged the lithium cell in the battery box, and the temperature sensing shower nozzle has been put to every battery box equipartition, is connected through the distributing pipe between temperature sensing shower nozzle and the distributing valve, is equipped with delivery main between distributing valve and the fire extinguishing agent bottle group.
As an improvement, be equipped with the container valve on the fire extinguishing agent bottle group, be equipped with the ball valve on the container valve, the ball valve is connected with the balance pipe, the container valve sub-unit connection has the leak hunting manometer, when fire extinguishing agent bottle group gets into accurate operating condition, open the ball valve, make fire extinguishing agent delivery main, the last cavity UNICOM of balance pipe and container valve, when temperature sensing shower nozzle appears because of detecting high temperature in wherein all the way temperature sensing when the temperature sensing bubble explodes, pressure in the balance pipe can release in the twinkling of an eye, thereby lead to the container valve unbalance and start the case, thereby fire extinguishing agent in the fire extinguishing agent bottle group is whole to the distributing pipe that corresponds by delivery main, release fire extinguishing agent through temperature sensing shower nozzle, accomplish and put out a fire and cool down. When the battery box needs to be overhauled, the distribution pipe can be pulled out only by closing the ball valve and loosening the compression nut on the temperature sensing nozzle, so that the battery box is overhauled.
As an improvement, a compression nut is arranged on the temperature sensing nozzle, the compression nut is connected with the valve body through threads, a distribution pipe penetrates through the compression nut, the compression nut is screwed, then a first O-shaped ring is extruded, and the outer side of the distribution pipe is installed and contacted to form a sealing surface.
As an improvement, the distribution pipe end is equipped with embedded cutting ferrule, and when gland nut screwed, thereby the first O type circle of extrusion leads to its indirect extrusion distribution pipe of deformation to cause excessive extrusion and reduce the latus rectum and realize distribution pipe and embedded cutting ferrule structure chucking, increases the frictional force of first O type circle and distribution pipe simultaneously, prevents that the distribution pipe is throw off when receiving pressure.
As an improvement, the nozzle is connected with the valve body through threads, a guide rod is arranged in the nozzle, a second O-shaped ring is arranged on the outer peripheral surface of the guide rod and serves as a radial sealing element, a third O-shaped ring is arranged at the joint of the middle step surface of the guide rod and serves as an end face sealing element, a nozzle B is arranged on the side wall of the nozzle, and after the spray head is started to act, the fire extinguishing agent in the distribution pipe can be quickly sprayed into the battery box from the nozzle B, so that fire extinguishing is achieved.
As an improvement, the temperature sensing base is provided with the temperature sensing glass bulb, the two sides of the temperature sensing base are hollow out, one end of the temperature sensing base is connected with the spray head through a threaded structure, the bottom of the other end of the temperature sensing base is provided with a locking screw, the temperature sensing glass bulb is fastened and positioned by adjusting the relative position of the locking screw and the temperature sensing base, and meanwhile, the temperature sensing glass bulb tightly pushes the guide rod to realize the connection, tightening and sealing between the guide rod and the valve body.
As an improvement, the temperature sensing glass bulb is a temperature sensing component, and can realize blasting when the ambient temperature reaches a set temperature value.
As an improvement, the outer surface of the valve body is provided with threads, and the shell of the battery box is clamped through rotating the nut, so that the prefabricated installation of the temperature sensing spray head on the battery box is realized.
As an improvement, the distribution valve is a one-inlet and multi-outlet device, an inlet is connected with a fire extinguishing agent delivery main pipe, and outlets are correspondingly matched according to the number of the battery boxes.
The fire extinguishing agent conveying main pipe is full of the fire extinguishing agent when the spray head enters the standby operation, the pressure is filled in the cavity A, when the battery in the battery box is out of control due to heat, the temperature sensing glass explodes when detecting the set temperature, and the guide rod is pushed down when receiving the pressure in the cavity A, so that the cavity A and the cavity opening B are communicated, and the fire extinguishing agent is released.
The utility model discloses the beneficial effect who creates lies in: aiming at the fire disaster characteristic of the lithium battery energy storage system, the method comprises the following steps: firstly, the fire extinguishing agent releasing pipe is wound inside the battery box, so that the thermal runaway response speed of the lithium battery is improved, and meanwhile, when a fire disaster happens, the fire extinguishing agent can be released by the releasing pipe inside the battery box first, so that the fire extinguishing efficiency and the cooling effect are improved, and the thermal runaway spread of the lithium battery is prevented; and the release pipe in each battery box is in active connection with the main pipeline, so that the battery box is convenient to disassemble, assemble and maintain.
Description of the drawings:
FIG. 1 is a schematic diagram of a position structure of the device in a lithium battery container energy storage system;
FIG. 2 is a schematic view of the installation structure of the device in the battery box;
FIG. 3 is a schematic view of a connection structure of the thermal nozzle;
FIG. 4 is a structural diagram illustrating the operation state of the thermal nozzle;
FIG. 5 is a schematic side view of the temperature sensing base.
Detailed Description
As shown in fig. 1, 2, 3, 4, 5, a combination distribution formula temperature sensing self-starting extinguishing device, which comprises a body, the body includes energy storage battery rack 1, fire extinguishing agent bottle group 3, delivery main 4, distributing valve 6, distributing pipe 5, temperature sensing shower nozzle 7, and a plurality of battery boxes 2 are put on the energy storage battery rack, have arranged the lithium cell in the battery box, and temperature sensing shower nozzle 7 has been put to every battery box 2 equipartition, is connected through distributing pipe 5 between temperature sensing shower nozzle 7 and the distributing valve 6, is equipped with delivery main 4 between distributing valve 6 and the fire extinguishing agent bottle group.
In this embodiment, be equipped with container valve 31 on fire extinguishing agent bottle group 3, be equipped with ball valve 32 on the container valve, the ball valve is connected with balance pipe 33, the container valve sub-unit connection has leak hunting manometer 34, when fire extinguishing agent bottle group 3 got into accurate operating condition, open ball valve 32, make fire extinguishing agent conveying main 4, balance pipe 33 and container valve 31's the upper cavity body UNICOM, when temperature sensing shower nozzle 7 appears because of detecting the high temperature and temperature sensing glass bubble 705 explodes wherein all the way, pressure in balance pipe 33 can release in the twinkling of an eye, thereby lead to container valve 31 unbalance and start the case, thereby fire extinguishing agent in fire extinguishing agent bottle group 3 is whole to be carried to corresponding distributing pipe 5 by conveying main 4, release fire extinguishing agent through temperature sensing shower nozzle 7, accomplish and put out a fire and cool down. When the battery box 2 needs to be overhauled, the distribution pipe 5 can be pulled out only by closing the ball valve 32 and loosening the compression nut 701 on the temperature-sensitive spray head 7, so that the battery box 2 is overhauled.
In this embodiment, the temperature sensing nozzle 7 is provided with a compression nut 701, the compression nut 701 is in threaded connection with the valve body 702, the distribution pipe 5 penetrates through the compression nut 701, and the compression nut 701 is screwed to press the first O-ring 711, so that the outer side of the distribution pipe 5 is installed and contacted to form a sealing surface.
In this embodiment, the end of the distribution pipe 5 is provided with the embedded ferrule 710, when the compression nut 701 is screwed, the first O-ring 711 is extruded to deform, so that the distribution pipe 5 is indirectly extruded to reduce the drift diameter, the distribution pipe and the embedded ferrule are clamped, and meanwhile, the friction force between the first O-ring 711 and the distribution pipe 5 is increased, so that the distribution pipe 5 is prevented from being separated when being pressurized.
In this embodiment, the nozzle 703 is connected to the valve body 702 through a screw thread, a guide rod 704 is arranged in the nozzle 703, a second O-ring 709 is arranged on the outer peripheral surface of the guide rod 704 as a radial sealing member, a third O-ring 708 is arranged at the joint of the middle step surface of the guide rod 704 as an end surface sealing member, and a nozzle B is arranged on the side wall of the nozzle 703.
In this embodiment, the temperature sensing base 706 is provided with the temperature sensing glass bulb 705, two sides of the temperature sensing base 706 are hollowed out from the center, one end of the temperature sensing base is connected with the spray head through a threaded structure, the bottom of the other end of the temperature sensing base is provided with the locking screw 707, the temperature sensing glass bulb 705 is fastened and positioned by adjusting the relative position of the locking screw 707 and the temperature sensing base 706, and meanwhile, the temperature sensing glass bulb 705 tightly pushes the guide rod 704 to realize the connection, tightening and sealing between the guide rod 704 and the valve body 702.
In this embodiment, the temperature-sensitive glass bulb 705 is a temperature-sensitive element, and when the ambient temperature reaches a set temperature value, the explosion is realized.
In this embodiment, the outer surface of the valve body 702 is provided with threads, and the case of the battery box 2 is clamped by rotating the nut 712, so as to realize the prefabricated installation of the thermal sprayer on the battery box.
In this embodiment, the distribution valve 6 is a one-inlet-multiple-outlet device, the inlet is connected with the fire extinguishing agent delivery manifold 4, and the outlet is correspondingly matched according to the number of the battery boxes 2.
Specifically, when the spray head enters a standby state, the fire extinguishing agent conveying main pipe 4 is filled with the fire extinguishing agent, the cavity A is filled with pressure, when the battery in the battery box is out of control due to heat, the temperature sensing glass 705 explodes when detecting a set temperature, and the guide rod 704 is pushed down when receiving the pressure in the cavity A, so that the cavity A is communicated with the cavity opening B, and the fire extinguishing agent is released.
In the above-mentioned embodiment, to lithium cell energy storage system, the point of fire often is in the battery box, adopts the protection of flooding entirely, and the fire extinguishing agent can not be fast effectual in stretching the entering box, implements to put out a fire, consequently the utility model discloses borrow reference fire detection tube extinguishing device's theory of operation and advantage, add built-in temperature sensing shower nozzle, the internal and external connection adopts the butt joint of pipeline extrusion formula, and the prefabrication installation of being convenient for sets up the distributing valve and converges, and the multi-level battery box of being convenient for is surveyed respectively to realize point-to-point accurate protection.
All hose joints adopt the sealing washer extrusion to support the cooperation with the inside lining, replace the clamp formula of traditional hose to be connected, improve sealing performance, increase the reliability of device.
After the temperature-sensitive glass bulb is exploded, the guide rod of the traditional temperature-sensitive spray head also falls off, and the risk of short circuit exists in the application occasions of the lithium battery; this design guide arm starts the back and through the orifice that is equipped with on the shower nozzle, carries out the fire extinguishing agent atomizing, when improving fire extinguishing ability and cooling capacity, avoids the guide arm to drop and causes the secondary disaster.
In addition to the above preferred embodiments, the present invention has other embodiments, and those skilled in the art can make various changes and modifications according to the present invention without departing from the spirit of the present invention, which should fall within the scope of the present invention defined by the appended claims.
Claims (8)
1. The utility model provides a combination distribution formula temperature sensing self-starting extinguishing device which characterized in that: the fire extinguishing agent bottle group comprises a body, the body includes energy storage battery frame (1), fire extinguishing agent bottle group (3), delivery main (4), distributing valve (6), distributing pipe (5), temperature sensing shower nozzle (7), energy storage battery frame overhead a plurality of battery boxes (2), the battery box is provided with the lithium cell, temperature sensing shower nozzle (7) have been put to the equipartition in every battery box (2), be connected through distributing pipe (5) between temperature sensing shower nozzle (7) and distributing valve (6), be equipped with delivery main (4) between distributing valve (6) and the fire extinguishing agent bottle group.
2. The combined distribution type temperature-sensing self-starting fire extinguishing device according to claim 1, wherein: the fire extinguishing agent bottle group (3) on be equipped with container valve (31), be equipped with ball valve (32) on the container valve, the ball valve is connected with balance pipe (33), container valve sub-unit connection has leak hunting manometer (34).
3. The combined distribution type temperature-sensing self-starting fire extinguishing device according to claim 1, wherein: the temperature sensing sprayer (7) is provided with a compression nut (701), the compression nut (701) is connected with the valve body (702) through threads, a distribution pipe (5) penetrates through the compression nut (701), and the compression nut (701) is screwed to extrude a first O-shaped ring (711) so that the outer side of the distribution pipe (5) is installed and contacted to form a sealing surface.
4. The combined distribution type temperature-sensing self-starting fire extinguishing device according to claim 1, wherein: the distribution pipe is characterized in that an embedded clamping sleeve (710) is arranged at the tail end of the distribution pipe (5), when the compression nut (701) is screwed, the first O-shaped ring (711) is extruded to deform, so that the distribution pipe is indirectly extruded to reduce the drift diameter to clamp the distribution pipe and the embedded clamping sleeve, the friction force between the first O-shaped ring (711) and the distribution pipe (5) is increased, and the distribution pipe (5) is prevented from being separated when being pressurized.
5. The combined distribution type temperature-sensing self-starting fire extinguishing apparatus according to claim 3, wherein: the fire extinguishing device is characterized in that the valve body (702) is in threaded connection with the nozzle (703), the nozzle (703) is internally provided with a guide rod (704), a second O-shaped ring (709) is arranged on the outer peripheral surface of the guide rod (704) and serves as a radial sealing element, a third O-shaped ring (708) is arranged at the joint of the middle step surface of the guide rod (704) and serves as an end surface sealing element, the side wall of the nozzle (703) is provided with a nozzle B, and after the spray head is started to act, a fire extinguishing agent in the distribution pipe (5) can be quickly sprayed into the battery box from the nozzle B to extinguish fire.
6. The combined distribution type temperature-sensing self-starting fire extinguishing apparatus according to claim 5, wherein: the shower nozzle end connection has temperature sensing base (706), installs temperature sensing glass bubble (705) on temperature sensing base (706), temperature sensing base (706) both sides and center fretwork, and temperature sensing base one end is passed through the helicitic texture and is connected with the shower nozzle, and temperature sensing base other end bottom is equipped with locking screw (707), through the relative position of adjusting locking screw (707) and temperature sensing base (706), realizes fastening location temperature sensing glass bubble (705), and tight guide arm (704) in temperature sensing glass bubble (705) top simultaneously realizes that being connected between guide arm (704) and valve body (702) tightens sealed.
7. The combined distribution type temperature-sensing self-starting fire extinguishing apparatus according to claim 3, wherein: the outer surface of the valve body (702) is provided with threads, and the shell of the battery box (2) is clamped through a rotating nut (712), so that the prefabricated installation of the temperature sensing spray head on the battery box is realized.
8. The combined distribution type temperature-sensing self-starting fire extinguishing device according to claim 1, wherein: the distribution valve (6) is a device with one inlet and multiple outlets, the inlet is connected with the fire extinguishing agent delivery main pipe (4), and the outlets are correspondingly matched according to the number of the battery boxes (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022472861.3U CN214808012U (en) | 2020-10-30 | 2020-10-30 | Combined distribution type temperature sensing self-starting fire extinguishing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022472861.3U CN214808012U (en) | 2020-10-30 | 2020-10-30 | Combined distribution type temperature sensing self-starting fire extinguishing device |
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| Publication Number | Publication Date |
|---|---|
| CN214808012U true CN214808012U (en) | 2021-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022472861.3U Active CN214808012U (en) | 2020-10-30 | 2020-10-30 | Combined distribution type temperature sensing self-starting fire extinguishing device |
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| CN (1) | CN214808012U (en) |
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