CN112023314B - A reusable fire sprinkler - Google Patents
A reusable fire sprinkler Download PDFInfo
- Publication number
- CN112023314B CN112023314B CN202010945389.2A CN202010945389A CN112023314B CN 112023314 B CN112023314 B CN 112023314B CN 202010945389 A CN202010945389 A CN 202010945389A CN 112023314 B CN112023314 B CN 112023314B
- Authority
- CN
- China
- Prior art keywords
- piston
- sliding rod
- nozzle
- ball valve
- spray pipe
- 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.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 claims abstract description 21
- 239000012530 fluid Substances 0.000 claims abstract description 15
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims abstract description 13
- 239000007921 spray Substances 0.000 claims description 46
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 230000009471 action Effects 0.000 claims description 8
- 230000008859 change Effects 0.000 claims description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 4
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims description 4
- 229910052753 mercury Inorganic materials 0.000 claims description 4
- 230000009467 reduction Effects 0.000 claims description 2
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 5
- 239000011521 glass Substances 0.000 description 4
- 238000005457 optimization Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/005—Delivery of fire-extinguishing material using nozzles
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/28—Accessories for delivery devices, e.g. supports
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/08—Control of fire-fighting equipment comprising an outlet device containing a sensor, or itself being the sensor, i.e. self-contained sprinklers
- A62C37/10—Releasing means, e.g. electrically released
- A62C37/11—Releasing means, e.g. electrically released heat-sensitive
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/36—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device
- A62C37/38—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone
- A62C37/40—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone with electric connection between sensor and actuator
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
本发明公开一种能够重复使用的消防喷头，包括喷管，喷管外侧套接有外壳，上顶板和下底板分别与喷管固定连接，外壳侧壁与喷管之间设置有活塞，活塞与下底板之间设置有记忆合金弹簧，活塞、外壳侧壁、下底板与喷管之间形成了密封腔，密封腔内设置有热敏流体；喷管内固定设置有固定挡板，固定挡板的下方设置有球阀，球阀的下方设置有限位板；喷管的周向开设有若干个通孔，通孔内设置有滑动杆，滑动杆的一端伸出通孔设置在活塞与上顶板之间，滑动杆的另一端与滑动部接触。本发明能够快速抑制早期火情，实现喷头的温控自动重复启闭，实现消防喷头的重复使用，有利于保证消防系统的安全可靠运行，并降低能源消耗。
The invention discloses a fire-fighting nozzle that can be reused, comprising a nozzle, a casing is sleeved on the outside of the nozzle, an upper top plate and a lower bottom plate are respectively fixedly connected with the nozzle, a piston is arranged between the side wall of the casing and the nozzle, and the piston is connected to the nozzle. A memory alloy spring is arranged between the lower bottom plate, a sealing cavity is formed between the piston, the side wall of the casing, the lower bottom plate and the nozzle, and a heat-sensitive fluid is arranged in the sealing chamber; a fixed baffle is fixed in the nozzle, and the fixed baffle is A ball valve is arranged below, and a limiting plate is arranged below the ball valve; a plurality of through holes are opened in the circumferential direction of the nozzle, and a sliding rod is arranged in the through hole, and one end of the sliding rod protrudes from the through hole and is arranged between the piston and the upper top plate, The other end of the sliding rod is in contact with the sliding portion. The invention can quickly suppress the early fire situation, realize the automatic repeated opening and closing of the temperature control of the sprinkler head, realize the repeated use of the fire sprinkler head, and is beneficial to ensure the safe and reliable operation of the fire protection system and reduce the energy consumption.
Description
Technical Field
The invention relates to the technical field of fire fighting equipment, in particular to a reusable fire fighting nozzle.
Background
The fire prevention work and the fire extinguishing work are two major centers of gravity for fire fighting. The fire-fighting protection device has the advantages that the personnel, property and public safety are protected, the fire-fighting work is well done, and meanwhile, a practical fire-fighting facility is built. The fire-fighting spray header is used for a fire-fighting spray system, and when a fire disaster occurs, water is sprayed out through the spray header water splashing disc to extinguish the fire.
At present, fire-fighting spray heads are mainly used in public, office and other places, most of spray heads are organic liquid temperature-sensing spray heads controlled by glass tubes filled with heat-sensitive liquid, the spray heads mainly rely on that when the temperature of the surrounding environment is raised by the organic liquid, the liquid expands and breaks to connect with a fire-fighting water source to inhibit fire, but once the glass tubes at the spray heads are damaged due to non-fire causes, a large amount of water sprayed by the spray heads can cause serious economic loss to the environment, and the organic liquid temperature-sensing spray heads are easy to damage, slow in response, incapable of inhibiting early fire and the like; meanwhile, once the glass ball shell of the spray head is broken, the spray head is scrapped and cannot be reused, the spray head cannot be closed unless water sources are cut off, broken glass balls are still sprinkled with water after fire is extinguished, and a large amount of precious water resources are wasted.
Disclosure of Invention
The invention aims to provide a reusable fire sprinkler head to solve the problems in the prior art.
In order to achieve the purpose, the invention provides the following scheme:
the invention provides a reusable fire-fighting nozzle which comprises a spray pipe, wherein a shell is sleeved outside the spray pipe and arranged at the lower end of the spray pipe; the shell comprises a shell side wall, an upper top plate and a lower bottom plate which are arranged at two ends of the shell side wall, the upper top plate and the lower bottom plate are respectively and fixedly connected with the spray pipe, a piston is arranged between the shell side wall and the spray pipe, a memory alloy spring is arranged between the piston and the lower bottom plate, a sealing cavity is formed among the piston, the shell side wall, the lower bottom plate and the spray pipe, and thermosensitive fluid is arranged in the sealing cavity;
a fixed baffle is fixedly arranged in the spray pipe, a ball valve is arranged below the fixed baffle, and a limiting plate is arranged below the ball valve; the ball valve sequentially comprises a clamping part, a sliding part and a limiting part from top to bottom, a clamping hole matched with the clamping part is formed in the fixed baffle, a limiting hole matched with the limiting part is formed in the limiting plate, and a water through hole is formed in the circumferential direction of the limiting plate; a plurality of through holes are formed in the circumferential direction of the spray pipe, sliding rods are arranged in the through holes, one ends of the sliding rods extend out of the through holes and are arranged between the piston and the upper top plate, and the other ends of the sliding rods are in contact with the sliding portions.
Preferably, the heat-sensitive fluid is one of mercury and alcohol.
Preferably, the upper top plate is provided with a vent.
Preferably, one side of the sliding rod, which is close to the shell, is a slope-shaped end surface, and one side of the piston, which is close to the sliding rod, is provided with a sliding chute matched with the slope-shaped end surface of the sliding rod.
Preferably, one side of the sliding rod, which is close to the ball valve, is fixedly provided with a wedge-shaped sliding block, and the sliding part of the ball valve is provided with a groove matched with the wedge-shaped sliding block.
Preferably, sealing rings are fixedly arranged on two sides of the through hole and are sleeved on the sliding rod.
Preferably, the circumference of the spray pipe is provided with at least 3 through holes, and the arc angles between the adjacent through holes are the same.
The invention discloses the following technical effects:
can quickly restrain early fire, realize the automatic repeated opening and closing of the temperature control of the spray head, be favorable for ensuring the safe and reliable operation of a fire-fighting system, and reduce the energy consumption
According to the invention, temperature change is sensed through thermosensitive fluid in the sealing cavity, the pressure in the sealing cavity is increased due to volume expansion, meanwhile, the memory alloy spring in the sealing cavity is deformed due to heating, under the combined action of the two, the piston moves upwards and pushes the sliding rod to move towards the inside of the spray head, the ball valve is pushed to move downwards, the clamping hole is opened, and water is sprayed out from the clamping hole. After the conflagration is put out by the control, the temperature descends, and the temperature change is perceived to the heat-sensitive fluid in the sealed intracavity, and the volume reduces and leads to sealed intracavity pressure to reduce, and the memory alloy spring that lies in the sealed intracavity simultaneously recovers, and under both combined action, the piston moves down, and the ball valve moves up under hydraulic effect, and the joint hole on the fixed stop is blockked up to joint portion, and the fire control shower nozzle is closed. The invention can quickly inhibit early fire, realize the automatic repeated opening and closing of the spray head by temperature control, realize the repeated use of the fire-fighting spray head, is beneficial to ensuring the safe and reliable operation of a fire-fighting system and reducing the energy consumption.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a schematic view of a fire sprinkler head according to the present invention;
fig. 2 is another structural diagram of the fire sprinkler head according to the present invention.
The device comprises a nozzle 1, a shell 2, a shell side wall 3, an upper top plate 4, a lower bottom plate 5, a piston 6, a memory alloy spring 7, a sealing cavity 8, a fixing baffle 9, a ball valve 10, a clamping portion 101, a sliding portion 102, a limiting portion 103, a limiting plate 11, a clamping hole 12, a limiting hole 13, a water through hole 14, a through hole 15 and a sliding rod 16.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Referring to fig. 1-2, the invention provides a reusable fire nozzle, which comprises a nozzle 1, wherein a shell 2 is sleeved outside the nozzle 1, and the shell 2 is arranged at the lower end of the nozzle 1; the shell 2 comprises a shell side wall 3, an upper top plate 4 and a lower bottom plate 5 which are arranged at two ends of the shell side wall 3, the upper top plate 4 and the lower bottom plate 5 are fixedly connected with the spray pipe 1 respectively, a piston 6 is arranged between the shell side wall 3 and the spray pipe 1, a memory alloy spring 7 is arranged between the piston 6 and the lower bottom plate 5, and two ends of the memory alloy spring 7 are fixedly connected with the piston 6 and the lower bottom plate 5 respectively. A sealing cavity 8 is formed among the piston 6, the shell side wall 3, the lower bottom plate 5 and the spray pipe 1, and heat-sensitive fluid is arranged in the sealing cavity 8.
The spray pipe 1 internal fixation is provided with fixed stop 9, and the below of fixed stop 9 is provided with ball valve 10, and the below of ball valve 10 is provided with limiting plate 11, and limiting plate 11 prevents that when anhydrous state, pipeline is stopped up to ball valve 10. The ball valve 10 sequentially comprises a clamping part 101, a sliding part 102 and a limiting part 103 from top to bottom, a clamping hole 12 matched with the clamping part 101 is formed in the fixed baffle 9, a limiting hole 13 matched with the limiting part 103 is formed in the limiting plate 11, and a water through hole 14 is formed in the circumferential direction of the limiting plate 11; the diameter of the upper side of the sliding part 102 is smaller than that of the lower side, a plurality of through holes 15 are formed in the circumferential direction of the nozzle 1, sliding rods 16 are arranged in the through holes 15, one ends of the sliding rods 16 extend out of the through holes 15 and are arranged between the piston 6 and the upper top plate 4, the other ends of the sliding rods 16 are in contact with the sliding part 102, and the sliding rods can move downwards by extruding the ball valves 10.
In a further optimization scheme, the heat-sensitive fluid is one of mercury and alcohol, and the mercury and the alcohol have high thermal expansion and are sensitive to temperature change.
In a further optimized scheme, the upper top plate 4 is provided with an air vent, air is removed or supplemented in the up-and-down movement process of the piston 6, and the running resistance of air compression to the piston 6 is reduced.
According to the further optimized scheme, one side of the sliding rod 16, which is close to the shell 2, is a slope-shaped end surface, one side of the piston 6, which is close to the sliding rod 16, is provided with a sliding groove matched with the slope-shaped end surface of the sliding rod 16, the sliding groove of the piston 6 pushes the slope-shaped end surface of the sliding rod 16 to move towards the inside of the spray pipe 1, the running resistance of the piston is reduced, and the sensitivity of the device is improved.
According to a further optimization scheme, a wedge-shaped sliding block is fixedly arranged on one side, close to the ball valve 10, of the sliding rod 16, a groove matched with the wedge-shaped sliding block is formed in the sliding portion 102 of the ball valve 10, and the sliding rod 16 pushes the ball valve 10 to move downwards, so that the running resistance of the ball valve 10 is reduced.
Further optimize the scheme, the both sides of through-hole 15 are fixed and are provided with the sealing washer, and the sealing washer cup joints on slide bar 16, guarantees the inside leakproofness of spray tube 1.
Further optimization scheme, seted up the through-hole 15 that the quantity is no less than 3 in the circumference of spray tube 1, the arc angle between the adjacent through-hole is the same, extrudees ball valve 10 through multiunit slide bar 16, makes its downstream.
The working process is as follows: when a fire disaster happens, the indoor temperature rises, the temperature change is sensed by thermosensitive fluid in the sealing cavity 8, the pressure intensity in the sealing cavity 8 is increased due to the volume expansion, meanwhile, the memory alloy spring 7 in the sealing cavity 8 is heated to cause deformation, under the combined action of the two, the piston 6 moves upwards, and when the sliding rod 16 stretching out of the inner wall of the spray head 1 is encountered, the piston pushes the sliding rod 16 to move towards the inside of the spray head 1, the ball valve 10 is pushed to move downwards, the clamping hole 12 is opened, and water is sprayed out from the clamping hole 12. When a fire disaster is controlled to be extinguished, the temperature is reduced, the temperature change is sensed by the thermosensitive fluid in the sealed cavity 8, the pressure intensity in the sealed cavity 8 is reduced due to the reduction of the volume, meanwhile, the memory alloy spring 7 in the sealed cavity 8 is restored, under the combined action of the two, the piston 6 moves downwards, the ball valve 10 moves upwards under the action of water pressure, the clamping part 101 blocks the clamping hole 12 in the fixed baffle 9, and the fire-fighting nozzle is closed.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.
Claims (5)
1. The utility model provides a fire control shower nozzle that can used repeatedly which characterized in that: the device comprises a spray pipe (1), wherein a shell (2) is sleeved on the outer side of the spray pipe (1), and the shell (2) is arranged at the lower end of the spray pipe (1); the shell (2) comprises a shell side wall (3), an upper top plate (4) and a lower bottom plate (5) which are arranged at two ends of the shell side wall (3), the upper top plate (4) and the lower bottom plate (5) are respectively and fixedly connected with the spray pipe (1), a piston (6) is arranged between the shell side wall (3) and the spray pipe (1), a memory alloy spring (7) is arranged between the piston (6) and the lower bottom plate (5), a sealing cavity (8) is formed among the piston (6), the shell side wall (3), the lower bottom plate (5) and the spray pipe (1), and thermosensitive fluid is arranged in the sealing cavity (8);
a fixed baffle (9) is fixedly arranged in the spray pipe (1), a ball valve (10) is arranged below the fixed baffle (9), and a limiting plate (11) is arranged below the ball valve (10); the ball valve (10) sequentially comprises a clamping portion (101), a sliding portion (102) and a limiting portion (103) from top to bottom, a clamping hole (12) matched with the clamping portion (101) is formed in the fixed baffle (9), a limiting hole (13) matched with the limiting portion (103) is formed in the limiting plate (11), and a water through hole (14) is formed in the circumferential direction of the limiting plate (11); a plurality of through holes (15) are formed in the circumferential direction of the spray pipe (1), a sliding rod (16) is arranged in each through hole (15), one end of each sliding rod (16) extends out of each through hole (15) and is arranged between the piston (6) and the upper top plate (4), and the other end of each sliding rod (16) is in contact with the sliding part (102);
one side of the sliding rod (16) close to the shell (2) is a slope-shaped end surface, and one side of the piston (6) close to the sliding rod (16) is provided with a sliding groove matched with the slope-shaped end surface of the sliding rod (16);
a wedge-shaped sliding block is fixedly arranged on one side, close to the ball valve (10), of the sliding rod (16), and a groove matched with the wedge-shaped sliding block is formed in a sliding portion (102) of the ball valve (10);
the temperature of the thermosensitive fluid in the sealing cavity (8) is sensed to be increased, the volume expansion of the thermosensitive fluid causes the pressure in the sealing cavity (8) to be increased, the memory alloy spring (7) is heated to cause deformation, under the combined action of the thermosensitive fluid and the memory alloy spring, the piston (6) moves upwards and pushes the sliding rod (16) to move towards the head of the spray pipe (1) to push the ball valve (10) to move downwards, the clamping hole (12) is opened, and water is sprayed out from the clamping hole (12); after a fire disaster is controlled to be extinguished, the temperature is reduced, temperature change is sensed by thermosensitive fluid in the sealed cavity (8), the pressure intensity in the sealed cavity (8) is reduced due to the reduction of the volume, the memory alloy spring (7) is restored, under the combined action of the two, the piston (6) moves downwards, the ball valve (10) moves upwards under the action of water pressure, the clamping hole (12) in the fixed baffle (9) is blocked by the clamping part (101), and the fire-fighting spray head is closed.
2. A reusable fire sprinkler according to claim 1, wherein: the heat-sensitive fluid is one of mercury and alcohol.
3. A reusable fire sprinkler according to claim 1, wherein: and the upper top plate (4) is provided with a vent.
4. A reusable fire sprinkler according to claim 1, wherein: and sealing rings are fixedly arranged on two sides of the through hole (15) and are sleeved on the sliding rod (16).
5. A reusable fire sprinkler according to claim 1, wherein: the number of through holes (15) which are not less than 3 are circumferentially formed in the spray pipe (1), and arc angles between the adjacent through holes (15) are the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010945389.2A CN112023314B (en) | 2020-09-10 | 2020-09-10 | A reusable fire sprinkler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010945389.2A CN112023314B (en) | 2020-09-10 | 2020-09-10 | A reusable fire sprinkler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112023314A CN112023314A (en) | 2020-12-04 |
| CN112023314B true CN112023314B (en) | 2021-07-16 |
Family
ID=73585347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010945389.2A Expired - Fee Related CN112023314B (en) | 2020-09-10 | 2020-09-10 | A reusable fire sprinkler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112023314B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112982085A (en) * | 2021-02-09 | 2021-06-18 | 重庆工程职业技术学院 | High-performance road and bridge material rapid processing device |
| CN114470597A (en) * | 2021-12-20 | 2022-05-13 | 大连万达集团股份有限公司 | Fire water pressure monitoring system and its working method |
| CN114470587A (en) * | 2022-02-16 | 2022-05-13 | 叶毅 | Recyclable spray head for fire fighting |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000167080A (en) * | 1998-12-01 | 2000-06-20 | Hochiki Corp | Sprinkler head |
| CN101274128A (en) * | 2007-03-28 | 2008-10-01 | 航天科工海鹰集团有限公司 | Automatic temperature control device capable of spaying rotatably |
| CN101574569A (en) * | 2008-05-07 | 2009-11-11 | 北京星航机电设备厂 | Fire valve device |
| CN202360872U (en) * | 2011-11-24 | 2012-08-01 | 北京龙浩安达新技术有限公司 | Automatic fire-fighting spray valve with dual functions of forced opening and detachability |
| CN202859966U (en) * | 2012-11-14 | 2013-04-10 | 武汉达明科技股份有限公司 | Automatic spray device for fire fighting |
| CN103418103A (en) * | 2012-05-25 | 2013-12-04 | 全龙浩 | Heat-accumulating type self-powering automatic fire valve |
| CN203898997U (en) * | 2014-05-15 | 2014-10-29 | 宝钢发展有限公司 | Fire control self-reset closed spray nozzle |
| CN204233649U (en) * | 2014-10-23 | 2015-04-01 | 常景泓 | One repeats to open and close applicator fast |
| CN204563396U (en) * | 2015-04-20 | 2015-08-19 | 武汉科技大学 | A kind of fire-fighting spraying head driven based on magnetic control shape memory alloy |
| CN204677843U (en) * | 2015-03-24 | 2015-09-30 | 宝钢发展有限公司 | A kind of self-controlling fire water sprinkling fire-distinguishing valve |
| CN210950142U (en) * | 2019-08-23 | 2020-07-07 | 河南博钰消防科技有限公司 | Memory alloy temperature control valve capable of being opened and closed repeatedly |
-
2020
- 2020-09-10 CN CN202010945389.2A patent/CN112023314B/en not_active Expired - Fee Related
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000167080A (en) * | 1998-12-01 | 2000-06-20 | Hochiki Corp | Sprinkler head |
| CN101274128A (en) * | 2007-03-28 | 2008-10-01 | 航天科工海鹰集团有限公司 | Automatic temperature control device capable of spaying rotatably |
| CN101574569A (en) * | 2008-05-07 | 2009-11-11 | 北京星航机电设备厂 | Fire valve device |
| CN202360872U (en) * | 2011-11-24 | 2012-08-01 | 北京龙浩安达新技术有限公司 | Automatic fire-fighting spray valve with dual functions of forced opening and detachability |
| CN103418103A (en) * | 2012-05-25 | 2013-12-04 | 全龙浩 | Heat-accumulating type self-powering automatic fire valve |
| CN202859966U (en) * | 2012-11-14 | 2013-04-10 | 武汉达明科技股份有限公司 | Automatic spray device for fire fighting |
| CN203898997U (en) * | 2014-05-15 | 2014-10-29 | 宝钢发展有限公司 | Fire control self-reset closed spray nozzle |
| CN204233649U (en) * | 2014-10-23 | 2015-04-01 | 常景泓 | One repeats to open and close applicator fast |
| CN204677843U (en) * | 2015-03-24 | 2015-09-30 | 宝钢发展有限公司 | A kind of self-controlling fire water sprinkling fire-distinguishing valve |
| CN204563396U (en) * | 2015-04-20 | 2015-08-19 | 武汉科技大学 | A kind of fire-fighting spraying head driven based on magnetic control shape memory alloy |
| CN210950142U (en) * | 2019-08-23 | 2020-07-07 | 河南博钰消防科技有限公司 | Memory alloy temperature control valve capable of being opened and closed repeatedly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112023314A (en) | 2020-12-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112023314B (en) | A reusable fire sprinkler | |
| CN110812755B (en) | A fire-fighting floor tile | |
| US10556139B2 (en) | Network-type temperature-controlled hanging extinguishing system | |
| KR101212984B1 (en) | Smart head automatic Operating Means for Extinguisher | |
| US3625289A (en) | Sprinkler | |
| CN203379528U (en) | Automatic fire extinguishing system for steel building | |
| CN104436506B (en) | A kind of pair of spy fire tube starts extinguishing method and its extinguishing device | |
| CN207356435U (en) | A kind of hidden applicator | |
| CN108744368A (en) | Double glass marble watering fire-fightings spray head | |
| CN112076411A (en) | A large space sprinkler fire extinguishing device for coal mine fire | |
| CN216169489U (en) | A closed sprinkler used for fire extinguishing in energy storage battery packs | |
| CN114470597A (en) | Fire water pressure monitoring system and its working method | |
| CN219462396U (en) | Embedded building fire control spray set | |
| CN206950488U (en) | A kind of lithium battery test box with automatic fire extinguisher | |
| CN219712463U (en) | Self-operated automatic fire-fighting spray valve | |
| CN218793648U (en) | Novel automatic alarm fire control cabinet | |
| CN207152937U (en) | A kind of fire hydrant cabinet with high fire protecting performance | |
| CN206566401U (en) | A kind of fire extinguisher | |
| CN201558433U (en) | Wall-mounted fire extinguisher | |
| CN222033438U (en) | Automatic fire extinguishing device for kitchen | |
| CN104069609A (en) | Anhydrous display fire hydrant | |
| CN210250959U (en) | Induction type automatic spraying fire-fighting system applied to indoor security field | |
| CN213458303U (en) | Alarm with self-checking function | |
| CN203507381U (en) | Automatic alarm fire extinguisher | |
| CN211258369U (en) | An environmentally friendly fire door with controllable seal expansion |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210716 |