CN220836282U - Spray nozzle for lithium battery box - Google Patents
Spray nozzle for lithium battery box Download PDFInfo
- Publication number
- CN220836282U CN220836282U CN202322207290.4U CN202322207290U CN220836282U CN 220836282 U CN220836282 U CN 220836282U CN 202322207290 U CN202322207290 U CN 202322207290U CN 220836282 U CN220836282 U CN 220836282U
- Authority
- CN
- China
- Prior art keywords
- nozzle
- valve core
- lithium battery
- liquid passing
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 37
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 37
- 239000007921 spray Substances 0.000 title claims abstract description 32
- 239000007788 liquid Substances 0.000 claims abstract description 29
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 26
- 238000000034 method Methods 0.000 claims abstract description 5
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 20
- 230000002093 peripheral effect Effects 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract description 6
- 230000010354 integration Effects 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract 1
- 238000004146 energy storage Methods 0.000 description 5
- 238000011161 development Methods 0.000 description 4
- 239000011148 porous material Substances 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The utility model relates to the technical field of nozzles, in particular to a spray nozzle for a lithium battery box, which comprises a nozzle main body, wherein a liquid passing channel is arranged in the nozzle main body in a penetrating way, a one-way valve core and an elastic piece are arranged in the liquid passing channel, the elastic piece applies force to the one-way valve core so as to enable the one-way valve core to block the liquid passing channel, and after a fire-fighting agent is introduced into the liquid passing channel, the elastic piece can overcome the elasticity of the elastic piece to push the one-way valve core to move so as to guide the fire-fighting agent to pass through the liquid passing channel; the method is characterized in that: the rear end part of the nozzle main body is provided with a connecting pipe part for being inserted into a fire-fighting agent supply joint, and the front end part of the liquid passing channel is provided with a spray head assembly. Through the mode of pegging graft, compare current threaded connection mode and more convenient the book dress maintenance. In addition, the nozzle has compact structure and high integration level, can save space and can effectively solve the installation problem of products.
Description
Technical Field
The utility model relates to the technical field of nozzles, in particular to a spray nozzle for a lithium battery box.
Background
In recent years, along with the continuous development of the economy in China, the society is continuously improved. The rapid development of the national new energy industry, wherein new energy power battery automobiles, energy storage power stations, charging piles and the like based on lithium batteries are increasingly changing the lives of people.
At present, new energy lithium batteries are used as the supplement and replacement of traditional energy sources and are a trend of social development. The new energy electric vehicle travel in China is also supported strongly by the ecological government of the energy storage power station 'peak clipping and valley filling'. The industry rapidly develops, the application range is wider and wider, and the installed capacity is larger and larger. However, with the popularization and application of these fields, the safety problem of lithium battery boxes, which are basic stones for the development of new energy industries, is also increasingly exposed. Fire disasters of electric vehicles, energy storage stations and the like occur in time, and the number and economic property and life loss of people are in an annual rising trend.
In order to effectively reduce the loss of the lithium battery box in the electric vehicle and the energy storage station after the fire disaster is diffused. The lithium battery box is a key unit for the new energy industry. The method is widely applied to industries such as energy storage, electric vehicles, communication and the like. With the continuous use of the electric core in the battery box, the electric core in the battery box is repeatedly charged and discharged, and under the condition of long-time repeated use and consumption of the electric core, the electric core with relatively serious attenuation is overcharged or overdischarged in the charging and discharging process, so that thermal runaway is further caused, and the fire disaster of the whole battery box is caused, thereby bringing damage to the production safety and life safety of people. Therefore, more and more battery boxes are provided with fire prevention and control devices of the lithium ion battery boxes in the production and design processes, so that the lithium ion battery boxes are safer and more reliable. Because the practical application condition is considered in the design of the lithium battery box, the sealing waterproof and weight factors of the lithium battery box have high requirements, but the existing nozzle can not realize automatic release of the automatic fire extinguishing agent when a fire disaster occurs, and meanwhile, the sealing performance of the lithium battery is ensured under normal conditions.
Then, the nozzle for fire protection of the lithium battery box and the lithium battery with the fire protection function disclosed in the Chinese patent document with the publication number of CN110292737A appear, wherein the nozzle comprises a nozzle body, a nozzle core, an elastic piece and a nozzle pore plate, the nozzle core is arranged in a first flow channel of the nozzle body through the elastic piece, under normal conditions, the elastic piece is positioned in the first deformation and props against the nozzle core, so that the nozzle core is in sealing contact with the inner wall of a sealing section of the first flow channel, the inside of the battery box is in a sealing state, the sealing requirement of the lithium battery is met, when the lithium battery breaks out a fire, the elastic piece is compressed by the pressure generated when the fire extinguishing agent is released, the sealing effect is invalid, the fire extinguishing agent can be smoothly conveyed to the nozzle pore plate through the first flow channel, and the fire extinguishing agent is sprayed to the battery box through a spraying hole on the nozzle pore plate, thereby achieving the effect of automatically extinguishing fire, the fire is avoided, and the personal safety of a user is ensured.
However, the outer side wall of the first end of the nozzle body of the nozzle is provided with a connecting thread which is used for connecting a fire extinguishing agent pipeline, and the connecting thread needs to rotate for a plurality of circles, so that the operation is relatively inconvenient; furthermore, the fire extinguishing agent conduit is not easily rotated, particularly a curved conduit, after the nozzle is integrally secured to the lithium battery box.
Disclosure of Invention
The utility model provides a spray nozzle for a lithium battery box aiming at the technical problems in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
The utility model provides a spray nozzle for lithium battery box, including the nozzle main part, run through in the nozzle main part and be provided with the liquid passageway, be provided with one-way case and elastic component in the liquid passageway, the elastic component is exerted force to one-way case to make one-way case shutoff and pass the liquid passageway, can overcome the elasticity of elastic component and promote one-way case and remove and pass the liquid passageway after the liquid passageway is led into fire control agent; the method is characterized in that: the rear end part of the nozzle main body is provided with a connecting pipe part for being inserted into a fire-fighting agent supply joint, and the front end part of the liquid passing channel is provided with a spray head assembly.
Specifically, the take-over part is columnar, and the outside of take-over part is provided with joint bulge loop.
Specifically, the liquid passage comprises a first hole section and a second hole section which are positioned in the nozzle body and are continuous, the first hole section is positioned in the connecting pipe part, the diameter of the second hole section is larger than that of the first hole section, a step is formed between the first hole section and the second hole section, the unidirectional valve core is propped against the step, and a first sealing ring is arranged between the unidirectional valve core and the step.
Specifically, the steps are obliquely arranged, and the unidirectional valve core is provided with a round platform part which abuts against the steps.
Specifically, the lateral wall of one-way case and the inner wall looks adaptation of second hole section, and the one-way case is opened has the hole of stepping down that link up along the through-liquid through-hole direction, and the hole of stepping down is curved bar hole.
Specifically, the elastic piece is a spring, and one end of the spring is propped against the one-way valve core, and the other end of the spring is propped against the spray head assembly.
Specifically, the front side of nozzle main part still is equipped with installation baffle and mounting screw, and the installation baffle is fixed in the nozzle main part via mounting screw, is equipped with sealing gasket between installation baffle and the nozzle main part, and the installation baffle is opened has the hole of dodging that supplies the shower nozzle assembly to pass.
Specifically, the rear end of the nozzle main body is also provided with a fire-fighting agent supply connector, which comprises a first pipe section sleeved outside the pipe connecting part and a second pipe section used for connecting the peripheral water pipe, wherein the first pipe section is provided with a clamping block, the clamping block is mutually matched with the clamping convex ring for limiting, and a second sealing ring is arranged between the first pipe section and the pipe connecting part.
Specifically, the outer side of the second pipe section is provided with a take-over barb.
Specifically, the first pipe section is provided with the mounting hole that supplies the embedding of joint piece, and the joint piece includes bearing portion, linking portion and spacing portion, and bearing portion card is in mounting hole department, and bearing portion is connected to linking portion one end, and spacing portion is connected to the other end, and spacing portion and joint bulge loop are spacing of mutually supporting.
The utility model has the beneficial effects that:
Compared with the prior art, the spray nozzle for the lithium battery box has the advantages that the rear end part of the nozzle main body is provided with the connecting pipe part for being connected with the fire-fighting agent supply connector in an inserting mode, and compared with the prior threaded connection mode, the spray nozzle for the lithium battery box is more convenient to assemble, disassemble and maintain. In addition, the nozzle has compact structure and high integration level, can save space and can effectively solve the installation problem of products.
Drawings
Fig. 1 is a schematic view showing a structure of a spray nozzle for a lithium battery case according to an embodiment.
Fig. 2 is an exploded view of a spray nozzle for a lithium battery case according to an embodiment.
Fig. 3 is an exploded view of a spray nozzle for a lithium battery case according to an embodiment.
Fig. 4 is a schematic structural view of a check valve core in an embodiment.
Fig. 5 is a schematic view showing a combination of a spray nozzle for a lithium battery box and a fire-extinguishing agent supply joint in an embodiment.
Fig. 6 is a cross-sectional view of fig. 5.
Fig. 7 is an exploded view of a fire suppressant supply connector in an embodiment.
Reference numerals:
the nozzle comprises a nozzle body 1, a liquid passing channel 11, a first hole section 111, a second hole section 112, a step 12, a connecting pipe part 13 and a clamping convex ring 131;
The valve comprises a one-way valve core 2, a round platform part 21, a relief hole 22, a first sealing ring 3 and an elastic piece 4;
the nozzle assembly 5 and the third sealing ring 51;
a partition plate 6, a mounting screw 7 and a sealing gasket 8 are arranged;
The fire-fighting agent supply joint 9, the first pipe section 91, the mounting hole 911, the second pipe section 92, the pipe connection barb 921, the clamping block 93, the bearing portion 931, the engagement portion 932, and the limiting portion 933.
Detailed Description
The present utility model will be described in detail with reference to specific embodiments and drawings.
As shown in fig. 1 to 7, the spray nozzle for a lithium battery box of the present embodiment includes a nozzle body 1, a linear liquid passage 11 is provided in the nozzle body 1 in a penetrating manner, the liquid passage 11 includes a continuous first hole section 111 and a second hole section 112 in the nozzle body 1, the diameter of the second hole section 112 is larger than that of the first hole section 111, so that a step 12 is formed between the first hole section 111 and the second hole section 112, a unidirectional valve core 2 and an elastic member 4 are provided in the second hole section 112, the elastic member 4 applies a force to the unidirectional valve core 2, so that the unidirectional valve core 2 abuts against the step 12 to block the liquid passage 11, the step 12 is arranged in an inclined manner, the unidirectional valve core 2 is provided with a circular truncated cone portion 21 abutting against the step 12, and a first sealing ring 3 is provided between the circular truncated cone portion 21 and the step 12. The front end part of the liquid passing channel 11 is provided with a spray head assembly 5, and a third sealing ring 51 is arranged between the spray head assembly 5 and the inner wall of the second hole section 112. When in use, after the fire-fighting agent is introduced into the first hole section 111, the elastic force of the elastic piece 4 can be overcome to push the one-way valve core 2 to move so as to guide the fire-fighting agent to pass through the liquid channel 11, and spray is formed at the spray head assembly 5. In this embodiment, the elastic member 4 is a compressed spring, one end of which abuts against the unidirectional valve core 2, and the other end of which abuts against the nozzle assembly 5.
As a main improvement, the rear end of the nozzle body 1 is provided with a connecting pipe portion 13 for plugging the fire-fighting agent supply joint 9, the first hole section 111 is positioned in the connecting pipe portion 13, the connecting pipe portion 13 is columnar, and the outer side of the connecting pipe portion 13 is provided with a clamping convex ring 131. When the fire-fighting agent supply connector 9 is used, the fire-fighting agent supply connector 9 is directly manually inserted into the connecting pipe part 13, so that the splicing can be quickly completed, and the fire-fighting agent supply connector is more convenient to assemble and maintain compared with the existing threaded connecting pipe connecting mode. And the space for screwing the spanner is not required to be reserved around, so that the screw wrench is suitable for being installed in a narrow space.
In this embodiment, the outer side wall of the unidirectional valve core 2 is fitted to the inner wall of the second hole section 112, so as to avoid the unidirectional valve core 2 from shaking, the unidirectional valve core 2 is provided with a relief hole 22 penetrating along the direction of the liquid passing through hole, the relief hole 22 is an arc-shaped bar-shaped hole, and the flow space of the relief hole 22 in the shape is large.
Specifically, the front side of the nozzle body 1 is further provided with a mounting spacer 6 and a mounting screw 7, and the mounting spacer 6 is fixed to the nozzle body 1 via the mounting screw 7 so that the entire nozzle body 1 is fixed to the side wall of the lithium battery case. A sealing gasket 8 is arranged between the mounting baffle plate 6 and the nozzle main body 1, and the mounting baffle plate 6 is provided with an avoidance hole for the nozzle assembly 5 to pass through.
The fire-fighting agent supply joint 9 in this embodiment includes a first pipe section 91 sleeved outside the pipe connection portion 13 and a second pipe section 92 for connecting a peripheral water pipe, the outside of the second pipe section 92 is provided with a pipe connection barb 921, the first pipe section 91 is inserted outside the pipe connection portion 13 when in use, a second sealing ring (not shown in the figure) is provided between the first pipe section 91 and the pipe connection portion 13, and the peripheral water pipe is sleeved outside the second pipe section 92 to supply the fire-fighting agent. Specifically, the first pipe section 91 is provided with a clamping block 93 and a mounting hole 911 into which the clamping block 93 is inserted, the clamping block 93 includes a bearing portion 931, a connecting portion 932 and a limiting portion 933, the connecting portion 932 has a certain elasticity, the bearing portion 931 is clamped at the mounting hole 911, one end of the connecting portion 932 is connected with the bearing portion 931, the other end is connected with the limiting portion 933, and after the first pipe section 91 is sleeved into the connecting tube portion 13, the limiting portion 933 and the clamping convex ring 131 are automatically matched and limited.
In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "secured" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Standard parts used in the utility model can be purchased from the market, special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of all parts adopt conventional means such as mature bolts, rivets and welding in the prior art, the machinery, the parts and the equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection modes in the prior art, so that the details are not described.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the scope of the present utility model, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made to the technical solution of the present utility model without departing from the spirit and scope of the technical solution of the present utility model.
Claims (10)
1. The spray nozzle for the lithium battery box comprises a nozzle main body, wherein a liquid passing channel is arranged in the nozzle main body in a penetrating manner, a one-way valve core and an elastic piece are arranged in the liquid passing channel, and the elastic piece applies force to the one-way valve core so as to enable the one-way valve core to block the liquid passing channel, and after the fire-fighting agent is introduced into the liquid passing channel, the one-way valve core can be pushed to move against the elasticity of the elastic piece so as to be led through the liquid passing channel; the method is characterized in that: the rear end part of the nozzle main body is provided with a connecting pipe part for being inserted into a fire-fighting agent supply joint, and the front end part of the liquid passing channel is provided with a spray head assembly.
2. The spray nozzle for a lithium battery case according to claim 1, characterized in that: the connecting pipe part is columnar, and the outer side of the connecting pipe part is provided with a clamping convex ring.
3. The spray nozzle for a lithium battery case according to claim 1, characterized in that: the liquid passage comprises a first hole section and a second hole section which are positioned in the nozzle body continuously, the first hole section is positioned in the connecting pipe part, the diameter of the second hole section is larger than that of the first hole section, so that a step is formed between the first hole section and the second hole section, the unidirectional valve core is propped against the step, and a first sealing ring is arranged between the unidirectional valve core and the step.
4. A spray nozzle for a lithium battery case according to claim 3, characterized in that: the step is obliquely arranged, and the unidirectional valve core is provided with a round platform part which abuts against the step.
5. A spray nozzle for a lithium battery case according to claim 3, characterized in that: the outer side wall of the one-way valve core is matched with the inner wall of the second hole section, the one-way valve core is provided with a relief hole which is communicated along the direction of the liquid passing through hole, and the relief hole is an arc-shaped strip hole.
6. The spray nozzle for a lithium battery case according to claim 1, characterized in that: the elastic piece is a spring, one end of the spring is propped against the one-way valve core, and the other end of the spring is propped against the spray head assembly.
7. The spray nozzle for a lithium battery case according to claim 1, characterized in that: the front side of the nozzle main body is also provided with a mounting baffle plate and a mounting screw, the mounting baffle plate is fixed on the nozzle main body through the mounting screw, a sealing gasket is arranged between the mounting baffle plate and the nozzle main body, and the mounting baffle plate is provided with an avoidance hole for the nozzle assembly to pass through.
8. The spray nozzle for a lithium battery case according to claim 2, characterized in that: the rear end part of the nozzle main body is also provided with a fire-fighting agent supply connector, which comprises a first pipe section sleeved outside the pipe connecting part and a second pipe section used for connecting a peripheral water pipe, wherein the first pipe section is provided with a clamping block, the clamping block and the clamping convex ring are mutually matched and limited, and a second sealing ring is arranged between the first pipe section and the pipe connecting part.
9. The spray nozzle for a lithium battery case according to claim 8, wherein: the outer side of the second pipe section is provided with a connecting pipe barb.
10. The spray nozzle for a lithium battery case according to claim 8, wherein: the first pipe section is provided with a mounting hole for embedding the clamping block, the clamping block comprises a bearing part, a connecting part and a limiting part, the bearing part is clamped at the mounting hole, one end of the connecting part is connected with the bearing part, the other end of the connecting part is connected with the limiting part, and the limiting part and the clamping convex ring are mutually matched and limited.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322207290.4U CN220836282U (en) | 2023-08-16 | 2023-08-16 | Spray nozzle for lithium battery box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322207290.4U CN220836282U (en) | 2023-08-16 | 2023-08-16 | Spray nozzle for lithium battery box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220836282U true CN220836282U (en) | 2024-04-26 |
Family
ID=90787515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322207290.4U Active CN220836282U (en) | 2023-08-16 | 2023-08-16 | Spray nozzle for lithium battery box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220836282U (en) |
-
2023
- 2023-08-16 CN CN202322207290.4U patent/CN220836282U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |