CN112619009A - Fire control shower nozzle automatic control device based on internet of things - Google Patents
Fire control shower nozzle automatic control device based on internet of things Download PDFInfo
- Publication number
- CN112619009A CN112619009A CN202011438537.8A CN202011438537A CN112619009A CN 112619009 A CN112619009 A CN 112619009A CN 202011438537 A CN202011438537 A CN 202011438537A CN 112619009 A CN112619009 A CN 112619009A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 79
- 238000005516 engineering process Methods 0.000 claims abstract description 14
- 238000005507 spraying Methods 0.000 claims abstract description 10
- 230000005540 biological transmission Effects 0.000 claims description 37
- 239000007921 spray Substances 0.000 abstract description 19
- 230000001105 regulatory effect Effects 0.000 description 4
- 240000005002 Erythronium dens canis Species 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/02—Nozzles specially adapted for fire-extinguishing
- A62C31/03—Nozzles specially adapted for fire-extinguishing adjustable, e.g. from spray to jet or vice versa
-
- 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
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- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Nozzles (AREA)
Abstract
The invention relates to the technical field of fire-fighting spray heads, in particular to an automatic control device for a fire-fighting spray head based on the technology of the Internet of things. When the water pressure of the water flow is required to be adjusted, the rotating block in the adjusting plate is rotated, when the rotating block rotates, the top block in the clamping structure is ejected out of the clamping groove, the rotating block rotates by a certain angle, the top block enters the clamping groove again, the water outlet groove and the water spraying groove are staggered, the water in the nozzle cannot be ejected immediately, the water outlet amount is reduced, the water pressure in the nozzle is increased, and finally the water spraying groove is enabled to spray the water in the nozzle farther.
Description
Technical Field
The invention relates to the technical field of fire-fighting spray heads, in particular to an automatic control device for a fire-fighting spray head based on the technology of the Internet of things.
Background
The fire sprinkler head is used for a fire sprinkler system, and when a fire disaster occurs, water is sprinkled out through a sprinkler head splashing disc to extinguish the fire, and is divided into a drooping type sprinkler head, an upright type sprinkler head, a common type sprinkler head, a side wall type sprinkler head and the like. With the development of networks, the technology of internet of things is beginning to be applied to the blowout control head.
The inside mechanism of intaking is all opened through the liquid inflation to current fire control shower nozzle, shunts rivers at the fan-shaped extension board through the bottom for rivers are put out a fire to the bottom condition of a fire, but current fire control shower nozzle can't carry out accurate putting out a fire, and it is longer to lead to the time of putting out a fire, and spun rivers do not have the jet dynamics, can't be fine put out a fire, and on other article on spun rivers reached ground very easily in addition, increase loss of property.
Therefore, the invention provides an automatic control device of a fire-fighting spray head based on the technology of the Internet of things, which is used for solving the problems.
Disclosure of Invention
The invention aims to provide an automatic control device for a fire-fighting spray head based on the technology of the Internet of things, and aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a fire control nozzle automatic control device based on the Internet of things technology comprises a water inlet pipe, wherein a switch valve is arranged in the middle of the water inlet pipe and comprises a valve body, a working cavity, a ball body, a water passing groove, a fixed rod, a rotating plate, a fixed block, a transmission rod, a transmission post, a push block, a limiting rod, a first limiting block, a limiting groove and a second limiting block, the valve body is positioned in the middle of the water inlet pipe, the working cavity is arranged in the valve body, the ball body is arranged on the left side of the inner part of the working cavity, the water passing groove is arranged in the ball body, the fixed rod is fixedly connected to the right side of the ball body, the rotating plate is fixedly connected to the right side of the fixed rod, the fixed block is fixedly connected to the right side of the rotating plate, one end of the transmission rod is, the utility model discloses a valve, including working chamber, valve body, driving ring, infrared ray sensor, first right side fixed connection shower nozzle, shower nozzle bottom are provided with the fixed axle, and the regulating plate is cup jointed in the middle of the water spray groove, and the regulating plate is cup jointed to the fixed axle upper end outside.
Preferably, the infrared sensor is electrically connected with the control mainboard, the control mainboard is electrically connected with the micro servo motor, and the control mainboard is electrically connected with the electric push rod.
Preferably, both ends all run through the valve body about the spheroid, and leak protection gasket uses the spheroid to be provided with two as central longitudinal symmetry, crosses the basin the same with the inlet tube width, and the transmission post outside cup joints inside the restriction groove, and the transmission post runs through the restriction groove and extends to the upside, ejector pad bottom fixed connection electric putter, and first restriction piece is located the restriction pole below.
Preferably, the transmission ring comprises a ring body, a rotating cavity, a rotating ring and a rotating groove, the water inlet pipe is sleeved in the middle of the ring body, the rotating cavity is arranged in the ring body, the rotating ring is arranged in the rotating cavity, protruding teeth are arranged in the rotating ring, the rotating ring is meshed with the power wheel, the rotating groove is formed in the bottom of the ring body, and the rotating groove is annular.
Preferably, the support rod penetrates through the rotating groove and extends into the rotating cavity, and the upper end of the support rod is fixedly connected with the bottom of the rotating ring.
Preferably, the joint structure uses the fixed axle to be provided with two sets ofly as central symmetry, including joint chamber, joint spring, kicking block, inside the joint chamber is located the shower nozzle, and joint intracavity portion is provided with the joint spring, joint spring upper end fixed connection shower nozzle, joint spring lower extreme fixed connection kicking block, and the kicking block bottom sets up to semicircle lug.
Preferably, the regulating plate includes the plate body, goes out basin, joint groove, central groove, turning block, and the inside play basin that is provided with of plate body goes out the basin, goes out the basin and is the annular and be provided with six, and the plate body outside is provided with the joint groove, and the joint groove is provided with four, is provided with the central groove in the middle of the plate body is inside, and the fixed axle is cup jointed to the central inslot portion, plate body outside fixed connection turning block.
Compared with the prior art, the invention has the beneficial effects that:
1. when the water pressure of the water flow is required to be adjusted, the rotating block in the adjusting plate is rotated, when the rotating block rotates, the top block in the clamping structure is ejected out of the clamping groove, the rotating block rotates by a certain angle, the top block enters the clamping groove again, the water outlet groove and the water spraying groove are staggered, the water in the nozzle cannot be ejected immediately, the water outlet amount is reduced, the water pressure in the nozzle is increased, and finally the water spraying groove is enabled to spray the water in the nozzle farther.
2. When a fire occurs, the fire is captured by an infrared sensor, the fire is transmitted to a control mainboard by the infrared sensor, the fire is analyzed and transmitted to an electric push rod and a micro servo motor by the control mainboard, the electric push rod pushes a push block upwards, the push block drives a transmission post to move upwards, the transmission post moves upwards along a limiting groove, the transmission post drives a transmission rod, the transmission rod drives a fixed block to move upwards, the fixed block drives a rotating plate to rotate, the rotating plate drives a fixed rod to rotate, the fixed rod drives a ball to rotate, the electric push rod stops pushing after one end of the transmission rod touches a first limiting block, the fixed rod drives the ball to rotate ninety degrees, a water inlet pipe is communicated with a water passing groove, so that water flow in the water inlet pipe can come down, the micro servo motor drives a power wheel to rotate, the power wheel is connected with protruding teeth on the inner side of, the rotating ring drives the bottom supporting rod to rotate, the supporting rod drives the spray head to rotate, the spray head is aligned to a fire point to spray water for fire extinguishment, the internal valve can be automatically opened, the fire direction is analyzed, the direction of the spray head is adjusted to accurately extinguish fire, the fire extinguishing service time is shortened, the water quantity used for fire extinguishment is reduced, water is saved, sprayed water waves and other objects on the ground can be reduced, property loss is reduced, and the protection on the objects on the ground is increased.
Drawings
FIG. 1 is a cross-sectional view of the present invention;
FIG. 2 is a schematic view of the on-off valve of the present invention;
FIG. 3 is a side sectional view of the on-off valve of the present invention;
FIG. 4 is a top cross-sectional view of the drive ring of the present invention;
FIG. 5 is a bottom view of the drive ring of the present invention;
FIG. 6 is a schematic view of a stationary shaft according to the present invention;
FIG. 7 is a schematic view of the structure of the water spraying trough of the present invention;
FIG. 8 is a schematic view of an adjusting plate according to the present invention;
FIG. 9 is a block diagram of a control system of the present invention.
In the figure: the device comprises a water inlet pipe 1, a leakage-proof gasket 2, a switch valve 3, an electric push rod 4, a transmission ring 5, a micro servo motor 6, a support rod 7, a rotating head 8, an infrared sensor 9, a spray head 10, a clamping structure 11, a fixed shaft 12, a water spraying groove 13, an adjusting plate 14, a power wheel 15, a valve body 16, a working cavity 17, a ball 18, a water passing groove 19, a fixed rod 20, a rotating plate 21, a fixed block 22, a transmission rod 23, a transmission column 24, a push block 25, a limiting rod 26, a first limiting block 27, a limiting groove 28, a second limiting block 29, a ring body 51, a rotating cavity 52, a rotating ring 53, a rotating groove 54, a clamping cavity 111, a clamping spring 112, a top block 113, a plate body 141, a water outlet groove 142, a clamping groove 143
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below. The embodiments of the present invention, and all other embodiments obtained by a person of ordinary skill in the art without any inventive work, belong to the scope of protection of the present invention.
Referring to fig. 1 to 9, the present invention provides a technical solution: an automatic control device of a fire nozzle based on the technology of Internet of things comprises a water inlet pipe 1, a switch valve 3 is arranged in the middle of the water inlet pipe 1, the switch valve 3 comprises a valve body 16, a working cavity 17, a ball 18, a water passing groove 19, a fixed rod 20, a rotating plate 21, a fixed block 22, a transmission rod 23, a transmission column 24, a push block 25, a limiting rod 26, a first limiting block 27, a limiting groove 28 and a second limiting block 29, the valve body 16 is positioned in the middle of the water inlet pipe 1, the working cavity 17 is arranged in the valve body 16, the ball 18 is arranged on the left side in the working cavity 17, the water passing groove 19 is arranged in the ball 18, the fixed rod 20 is fixedly connected on the right side of the ball 18, the rotating plate 21 is fixedly connected on the right side of the fixed rod 21, one end of the transmission rod 23 is movably sleeved outside the fixed block 22, the inside right side of working chamber 17 is provided with restriction lever 26, the inside restriction groove 28 that is provided with of restriction lever 26, the inside upper end of working chamber 17 is provided with first restriction piece 27, the inside right side of working chamber 17 is provided with second restriction piece 29, the valve body 16 outside is provided with leak protection gasket 2, be provided with drive ring 5 in the middle of inlet tube 1, drive ring 5 left side upper end is provided with miniature servo motor 6, power wheel 15 has been cup jointed to miniature servo motor 6 bottom, drive ring 5 right side upper end fixed connection electric putter 4, drive ring 5 has the side lower extreme to be provided with bracing piece 7, inlet tube 1 bottom outside has been cup jointed and has been rotated head 8, 8 bottom fixed mounting of rotation head has infrared ray sensor 9, 8 right side fixed connection shower nozzle 10 of rotation head, shower nozzle 10 bottom inboard is provided with joint structure 11, shower nozzle 10 bottom is provided with water spout 13, be provided with fixed axle 12 in the middle.
The infrared sensor 9 is electrically connected with the control mainboard, the control mainboard is electrically connected with the micro servo motor 6, the control mainboard is electrically connected with the electric push rod 4, and the control mainboard can control the start of the micro servo motor 6 and the electric push rod 4.
The driving ring 5 comprises a ring body 51, a rotating cavity 52, a rotating ring 53 and a rotating groove 54, the water inlet pipe 1 is sleeved in the middle of the ring body 51, the rotating cavity 52 is arranged in the ring body 51, the rotating ring 53 is arranged in the rotating cavity 52, protruding teeth are arranged in the rotating ring 53, the rotating ring 53 is meshed with the power wheel 15 and is connected with the power wheel, the rotating groove 54 is arranged at the bottom of the ring body 51, the rotating groove 54 is annular, and the driving ring 5 can drive the bottom support rod 7 to rotate.
The support rod 7 penetrates through the rotating groove 54 and extends into the rotating cavity 52, the upper end of the support rod 7 is fixedly connected with the bottom of the rotating ring 53, and the support rod 7 can drive the spray head 10 to rotate.
The adjusting plate 14 comprises a plate body 141, water outlet grooves 142, clamping grooves 143, central grooves 144 and rotating blocks 145, wherein the water outlet grooves 142 are formed in the plate body 141, six water outlet grooves 142 are annularly formed, the clamping grooves 143 are formed in the outer side of the plate body 141, four clamping grooves 143 are formed in the middle of the inner portion of the plate body 141, the central grooves 144 are formed in the middle of the inner portion of the plate body 141, the fixed shaft 12 is sleeved in the central grooves 144, the rotating blocks 145 are fixedly connected to the outer side of the plate body 141, and the water pressure.
The working principle is as follows:
when the water pressure of the sprayed water flow needs to be adjusted, the rotating block 145 in the adjusting plate 14 is rotated, when the rotating block 145 rotates, the ejecting block 113 inside the clamping structure 11 is ejected out of the clamping groove 143, the rotating block 113 rotates by a certain angle, the ejecting block 113 enters the clamping groove 143 again, the water outlet groove 142 and the water spraying groove 13 are staggered, water inside the spray head 10 cannot be sprayed out immediately, the water yield is reduced, the water pressure inside the spray head 10 is increased, and finally the water spraying groove 13 sprays the water inside the spray head 10 farther. When a fire occurs, firstly, the fire is captured through the infrared sensor 9, the infrared sensor 9 transmits the fire to the control mainboard, the control mainboard analyzes the fire and transmits the fire to the electric push rod 4 and the micro servo motor 6, the electric push rod 4 pushes the push block 25 upwards, the push block 25 drives the transmission post 24 to move upwards, the transmission post 24 moves upwards along the limiting groove 28, the transmission post 24 drives the transmission rod 23, the transmission rod 23 drives the fixed block 22 to move upwards, the fixed block 22 drives the rotating plate 21 to rotate, the rotating plate 21 drives the fixed rod 20 to rotate, the fixed rod 20 drives the sphere 18 to rotate, when one end of the transmission rod 23 touches the first limiting block 27, the electric push rod 4 stops pushing, the fixed rod 20 drives the sphere 18 to rotate ninety degrees, the water inlet pipe 1 is communicated with the water passing groove 19, so that the water flow in the water inlet pipe 1 can come down, the, the power wheel 15 is connected through the meshing of the outside dogtooth and the inboard dogtooth of swivel 53 and drives swivel 53 and rotate, and swivel 53 drives bottom sprag pole 7 and rotates, and bracing piece 7 drives shower nozzle 10 and rotates, and the shower nozzle 10 is aimed at the condition of a fire point and is sprayed water and put out a fire, can put out the condition of a fire fast.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a fire control shower nozzle automatic control device based on internet of things, includes inlet tube (1), its characterized in that: the water inlet pipe is characterized in that a switch valve (3) is arranged in the middle of the water inlet pipe (1), the switch valve (3) comprises a valve body (16), a working cavity (17), a ball body (18), a water passing groove (19), a fixing rod (20), a rotating plate (21), a fixing block (22), a transmission rod (23), a transmission column (24), a push block (25), a limiting rod (26), a first limiting block (27), a limiting groove (28) and a second limiting block (29), the valve body (16) is positioned in the middle of the water inlet pipe (1), the working cavity (17) is arranged in the valve body (16), the ball body (18) is arranged on the left side in the working cavity (17), the water passing groove (19) is arranged in the ball body (18), the fixing rod (20) is fixedly connected to the right side of the ball body (18), the rotating plate (21) is fixedly connected to, one end of a transmission rod (23) is movably sleeved on the outer side of a fixed block (22), the other end of the transmission rod (23) is sleeved with a transmission column (24), a push block (25) is arranged at the upper end of the transmission column (24), a limiting rod (26) is arranged on the right side inside a working cavity (17), a limiting groove (28) is arranged inside the limiting rod (26), a first limiting block (27) is arranged at the upper end inside the working cavity (17), a second limiting block (29) is arranged on the right side inside the working cavity (17), a leakage-proof gasket (2) is arranged on the outer side of a valve body (16), a transmission ring (5) is arranged in the middle of a water inlet pipe (1), a micro servo motor (6) is arranged at the upper end of the left side of the transmission ring (5), a power wheel (15) is sleeved at the bottom of the micro servo motor (6), an electric push rod (4) is, the water inlet pipe is characterized in that a rotating head (8) is sleeved on the outer side of the bottom of the water inlet pipe (1), an infrared sensor (9) is fixedly mounted at the bottom of the rotating head (8), a nozzle (10) is fixedly connected to the right side of the rotating head (8), a clamping structure (11) is arranged on the inner side of the bottom of the nozzle (10), a water spraying groove (13) is formed in the bottom of the nozzle (10), a fixed shaft (12) is arranged in the middle of the water spraying groove (13), and an adjusting plate (14) is.
2. The automatic control device for the fire sprinkler based on the internet of things technology of claim 1, characterized in that: the infrared sensor (9) is electrically connected with the control mainboard, the control mainboard is electrically connected with the micro servo motor (6), and the control mainboard is electrically connected with the electric push rod (4).
3. The automatic control device for the fire sprinkler based on the internet of things technology of claim 1, characterized in that: valve body (16) all run through at both ends about spheroid (18), leak protection gasket (2) use spheroid (18) to be provided with two as central longitudinal symmetry, it is the same with inlet tube (1) width to cross basin (19), inside transmission post (24) outside cup joints restriction groove (28), and transmission post (24) run through restriction groove (28) and extend to the upside, ejector pad (25) bottom fixed connection electric putter (4), and first restriction piece (27) are located restriction lever (26) below.
4. The automatic control device for the fire sprinkler based on the internet of things technology of claim 1, characterized in that: the transmission ring (5) comprises a ring body (51), a rotating cavity (52), a rotating ring (53) and a rotating groove (54), the water inlet pipe (1) is sleeved in the middle of the ring body (51), the rotating cavity (52) is arranged inside the ring body (51), the rotating ring (53) is arranged inside the rotating cavity (52), protruding teeth are arranged inside the rotating ring (53), the rotating ring (53) is connected with the power wheel (15) in a meshed mode, the rotating groove (54) is arranged at the bottom of the ring body (51), and the rotating groove (54) is annular.
5. The automatic control device for the fire sprinkler based on the internet of things technology of claim 1, characterized in that: the supporting rod (7) penetrates through the rotating groove (54) and extends into the rotating cavity (52), and the upper end of the supporting rod (7) is fixedly connected with the bottom of the rotating ring (53).
6. The automatic control device for the fire sprinkler based on the internet of things technology of claim 1, characterized in that: clamping structure (11) use fixed axle (12) to be provided with two sets ofly as central symmetry, including joint chamber (111), joint spring (112), kicking block (113), joint chamber (111) are located shower nozzle (10) inside, and joint chamber (111) are inside to be provided with joint spring (112), joint spring (112) upper end fixed connection shower nozzle (10), joint spring (112) lower extreme fixed connection kicking block (113), and kicking block (113) bottom sets up to the semicircle lug.
7. The automatic control device for the fire sprinkler based on the internet of things technology of claim 1, characterized in that: the adjusting plate (14) comprises a plate body (141), water outlet grooves (142), clamping grooves (143), a central groove (144) and rotating blocks (145), wherein the water outlet grooves (142) are formed in the plate body (141), six water outlet grooves (142) are annularly arranged, the clamping grooves (143) are formed in the outer side of the plate body (141), four clamping grooves (143) are formed in the middle of the inner portion of the plate body (141), the central groove (144) is formed in the inner portion of the central groove (144), a fixing shaft (12) is sleeved in the central groove (144), and the rotating blocks (145) are fixedly connected to the outer side of the plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011438537.8A CN112619009B (en) | 2020-12-07 | 2020-12-07 | Fire control shower nozzle automatic control device based on internet of things |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011438537.8A CN112619009B (en) | 2020-12-07 | 2020-12-07 | Fire control shower nozzle automatic control device based on internet of things |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112619009A true CN112619009A (en) | 2021-04-09 |
| CN112619009B CN112619009B (en) | 2021-12-17 |
Family
ID=75309202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011438537.8A Active CN112619009B (en) | 2020-12-07 | 2020-12-07 | Fire control shower nozzle automatic control device based on internet of things |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112619009B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4655078A (en) * | 1985-01-30 | 1987-04-07 | Johnson Augustus W | Sprinkler drain and test valve |
| JP2007105650A (en) * | 2005-10-14 | 2007-04-26 | Hidoro Kogyo Kk | Sprinkler |
| US9573008B1 (en) * | 2015-09-29 | 2017-02-21 | Frank Fletcher | Fire suppression system |
| CN107694778A (en) * | 2017-11-01 | 2018-02-16 | 费先艳 | The self-rotating nozzle irrigated for greening lawn |
| CN207254640U (en) * | 2017-09-26 | 2018-04-20 | 王彦红 | A kind of angle is easy to the music fountain ejecting device adjusted |
| CN207485464U (en) * | 2017-11-20 | 2018-06-12 | 刘全岭 | A kind of dust falling in coal mining device |
| CN207804841U (en) * | 2017-12-20 | 2018-09-04 | 福建迎盛消防科技有限公司 | A kind of sprinkler tip with remote control function |
| CN211024920U (en) * | 2019-07-25 | 2020-07-17 | 南安凯杏工业产品设计有限公司 | Pressure boost fire control shower nozzle |
| CN211705700U (en) * | 2019-12-19 | 2020-10-20 | 海宁市万里达消防器材有限责任公司 | Impact self-protection fire-fighting lance |
| CN111921147A (en) * | 2020-08-21 | 2020-11-13 | 义乌玛奇科技有限公司 | Hidden fire control shower nozzle that can turn to |
-
2020
- 2020-12-07 CN CN202011438537.8A patent/CN112619009B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4655078A (en) * | 1985-01-30 | 1987-04-07 | Johnson Augustus W | Sprinkler drain and test valve |
| JP2007105650A (en) * | 2005-10-14 | 2007-04-26 | Hidoro Kogyo Kk | Sprinkler |
| US9573008B1 (en) * | 2015-09-29 | 2017-02-21 | Frank Fletcher | Fire suppression system |
| CN207254640U (en) * | 2017-09-26 | 2018-04-20 | 王彦红 | A kind of angle is easy to the music fountain ejecting device adjusted |
| CN107694778A (en) * | 2017-11-01 | 2018-02-16 | 费先艳 | The self-rotating nozzle irrigated for greening lawn |
| CN207485464U (en) * | 2017-11-20 | 2018-06-12 | 刘全岭 | A kind of dust falling in coal mining device |
| CN207804841U (en) * | 2017-12-20 | 2018-09-04 | 福建迎盛消防科技有限公司 | A kind of sprinkler tip with remote control function |
| CN211024920U (en) * | 2019-07-25 | 2020-07-17 | 南安凯杏工业产品设计有限公司 | Pressure boost fire control shower nozzle |
| CN211705700U (en) * | 2019-12-19 | 2020-10-20 | 海宁市万里达消防器材有限责任公司 | Impact self-protection fire-fighting lance |
| CN111921147A (en) * | 2020-08-21 | 2020-11-13 | 义乌玛奇科技有限公司 | Hidden fire control shower nozzle that can turn to |
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| Publication number | Publication date |
|---|---|
| CN112619009B (en) | 2021-12-17 |
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Effective date of registration: 20211201 Address after: 518000 1804, building C, Xiangnian Plaza, 4060 Qiaoxiang Road, Gaofa community, Shahe street, Nanshan District, Shenzhen, Guangdong Applicant after: Shenzhen Senlei Hongtai Fire Technology Co.,Ltd. Address before: 611730 University of Electronic Science and technology, 2006 Xiyuan Avenue, Pidu District, Chengdu City, Sichuan Province Applicant before: Feng Zhiyong |
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