CN216125113U - Suspension type centralized fire extinguishing device - Google Patents

Suspension type centralized fire extinguishing device Download PDF

Info

Publication number
CN216125113U
CN216125113U CN202122577224.7U CN202122577224U CN216125113U CN 216125113 U CN216125113 U CN 216125113U CN 202122577224 U CN202122577224 U CN 202122577224U CN 216125113 U CN216125113 U CN 216125113U
Authority
CN
China
Prior art keywords
fire extinguishing
nozzle
fire
tank body
detector
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.)
Active
Application number
CN202122577224.7U
Other languages
Chinese (zh)
Inventor
郭俊毅
黎潘飞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anqun Fire Protection Equipment Shanghai Co ltd
Original Assignee
Anqun Fire Protection Equipment Shanghai Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Anqun Fire Protection Equipment Shanghai Co ltd filed Critical Anqun Fire Protection Equipment Shanghai Co ltd
Priority to CN202122577224.7U priority Critical patent/CN216125113U/en
Application granted granted Critical
Publication of CN216125113U publication Critical patent/CN216125113U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)

Abstract

The utility model is suitable for the technical field of fire extinguishing devices, and provides a suspended centralized fire extinguishing device, which is specially used for D-type metal fires and comprises the following components: the inside jar body that has the cavity, and its cavity intussuseption is filled with D class fire extinguishing agent, the confession has been seted up to the bottom of the jar body fire extinguishing agent spun discharge gate, hang the dress piece, its fixed connection in on the top outer wall of the jar body, and be used for right the jar body hangs the installation, the nozzle be firing structure, and its set up in the bottom of the jar body, and with discharge gate intercommunication, detector and intelligent control box, suspension type extinguishing device jar body adopt the anticorrosive material of stainless steel to avoid preventing D class dry powder corrosion problem, and the preinstallation hangs in waste warehouse top, need carry or push-and-pull removal when having solved the fire extinguishing problem, when the initial conflagration of waste material magnesium bits takes place, need not personnel to be close to metal high temperature combustion ignition source and goes out the fire extinguishing, reduces the casualties risk.

Description

Suspension type centralized fire extinguishing device
Technical Field
The utility model belongs to the technical field of fire extinguishing devices, and particularly relates to a suspension type centralized fire extinguishing device.
Background
When a fire accident happens to a magnesium metal scrap bin in a plant area, because magnesium metal is extremely easy to burn in a molten state, and a magnesium metal fire disaster belongs to high-temperature burning and high danger, has explosion risks and is difficult to cool, and meanwhile, water cannot be used for spraying and extinguishing fire, fire extinguishing personnel must be close to a burning fire source to spray special D-type dry powder to cover and extinguish the fire, and the relative risk is high.
Most of fire extinguishing equipment on the market is a handheld or cart type device, the weight is heavy, manual carrying or pushing is needed, the operation and the maneuverability are poor, and effective treatment of fire extinguishing personnel is inconvenient.
SUMMERY OF THE UTILITY MODEL
The present invention provides a suspension type centralized fire extinguishing apparatus, which aims to solve the problems mentioned in the background technology.
The utility model is thus achieved, a suspended centralized fire extinguishing installation comprising: the fire detector comprises a tank body with a cavity inside, a fire extinguishing agent is filled in the cavity, a discharge port for spraying the fire extinguishing agent is formed in the bottom of the tank body, a hanging part is fixedly connected to the outer wall of the top of the tank body and used for hanging and installing the tank body, a nozzle is of a firing structure and arranged at the bottom of the tank body and communicated with the discharge port and used for spraying the fire extinguishing agent to a firing point, a smoke-sensitive fire detector of the detector and an intelligent control box are fixedly connected to one side wall of the tank body through a mounting plate and connected with the nozzle and used for controlling the firing state of the nozzle, wherein a storage battery and a circuit board are fixedly arranged on the intelligent control box and electrically connected with the smoke-sensitive fire detector of the detector, and a fairing is fixedly sleeved on the outer side of the nozzle, and the fire extinguishing agent sprayed by the nozzle is rectified and then uniformly distributed in a fire extinguishing protection area.
Preferably, the nozzle comprises a connecting frame with an internal thread fixing groove, a thread ejector rod is arranged in the internal thread fixing groove, the internal thread fixing groove located at the bottom of the thread ejector rod is connected with the splash pan, a spraying piston is arranged at the top of the connecting frame in a penetrating mode, an external thread sealing block extending into the discharge port is arranged on the upper surface of the connecting frame, the external thread sealing block is communicated with the spraying piston and used for communicating a through hole of a fire extinguishing agent, and a glass plug is tightly abutted between the spraying piston and the thread ejector rod.
Preferably, an internal thread is arranged on the inner wall of the discharge port, and an external thread which is matched with the internal thread and is in threaded connection with the internal thread is arranged on the outer wall of the external thread sealing block.
Preferably, the bottom of the connecting frame is further fixedly connected with a splash pan, and a plurality of blocking blocks for blocking and shunting the fire extinguishing agent are arranged on the side wall of the splash pan in an equiangular surrounding manner.
Preferably, the fairing comprises a sleeve and a flow distribution cover integrally formed at the bottom of the sleeve, the sleeve is fixedly sleeved on the outer side of the nozzle, and the top of the sleeve is hermetically connected with the outer wall of the tank body.
Preferably, storage battery and circuit board are installed and are all provided with a plurality of connecting blocks, and every in the both sides wall bottom position that intelligent control box symmetry set up all be provided with in the connecting block with the retaining member of connection can be dismantled to the mounting panel.
Preferably, be provided with hexagonal internal thread brass fixing base on the sleeve pipe one side outer wall of radome fairing, electronic starter/impinger is connected to hexagonal internal thread brass fixing base one end, the other end in the sleeve pipe inboard is connected with the steel ball, and the conflagration signal who feels fire detector when the detector cigarette sends intelligent control box, and the instant output signal of intelligent control box reaches electronic starter/impinger, electronic starter/impinger can strike the steel ball immediately and then strike the glass stopper, makes the shower nozzle jettison piston drop, the fire extinguishing agent is jettisoned by the internal portion of jar via the nozzle in the very first time.
Compared with the prior art, the utility model has the beneficial effects that: the utility model relates to a suspension type centralized fire extinguishing device, which comprises:
1) the suspension type fire extinguishing device tank body is made of stainless steel corrosion-resistant materials to avoid the problem of dry powder corrosion prevention, and is pre-installed and suspended above a waste warehouse, so that the problem that the fire is extinguished by hand carrying or pushing and pulling movement is solved.
2) When the waste magnesium chips initially cause a fire, people do not need to be close to a burning fire source to extinguish the fire, and the casualty risk is reduced.
3) The D-type dry powder extinguishing agent mainly aims at the fire extinguishing principle of magnesium metal and is characterized in that diffusion and combustion interruption are prevented by covering and isolating asphyxiation, a fairing is designed to enable dry powder to be sprayed into the whole protection space more intensively and uniformly, and the effective covering area is 5 square meters (the radius is 1.265 meters).
4) The cutting waste magnesium chips are effectively pressed against open fire generated by the magnesium chips in the protective range, so that emergency groups can rapidly arrive at the site, and reinforcement treatment is performed on the potential re-burning condition.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a front cross-sectional view of the present invention;
FIG. 3 is an enlarged view of a portion of the structure at A in FIG. 2 according to the present invention;
FIG. 4 is a top view of the splash plate of the present invention;
in the figure:
1. a tank body; 11. a fire extinguishing agent; 12. a discharge port;
2. hanging and assembling parts;
3. a nozzle; 31. an internal thread fixing groove; 311. a threaded ejector rod; 32. a connecting frame; 33. A spray piston; 34. an external thread sealing block; 341. an external thread; 35. a glass plug; 36. a splash pan; 361. a stop block is shielded;
4. a smoke fire detector of the detector;
5. mounting a plate;
6. an intelligent control box (containing a storage battery pack and a circuit board); 61. connecting blocks; 62. a locking member;
7. a cowling; 71. a sleeve; 72. a flow dividing cover; 73. an electronic starter/impactor; a 74 hexagonal internal thread brass fixing seat; 75 steel ball.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings and embodiments, it being understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the present invention.
Referring to fig. 1-4, the present invention provides a suspension type centralized fire extinguishing apparatus, comprising:
the tank body 1 is provided with a cavity inside, the cavity is filled with the D-type fire extinguishing agent 11 special for metal fire, the bottom of the tank body 1 is provided with a discharge port 12 for spraying the fire extinguishing agent 11, and the inner wall of the discharge port 12 is provided with internal threads.
Specifically, the whole tank body 1 is made of 304 stainless steel, the inner volume is 16L + 3%, the wall thickness is larger than or equal to 1.4mm, and stainless steel has good corrosion resistance, so that the tank body 1 can be well guaranteed to be free from the influence of the D-type metal fire special extinguishing agent 11 placed in the tank body 1 as the optimal material of the tank body, the service life of the tank body 1 is prolonged, meanwhile, an internal thread is arranged on the inner wall of the discharge port 12 formed in the bottom of the tank body 1, the tank body can be well guaranteed to be in threaded connection with the external thread 341 on the outer wall of the external thread sealing block 34, the discharge port 12 is plugged by the external thread sealing block 34, and the D-type metal fire special extinguishing agent 11 is prevented from flowing out along the gap between the sealing block 34 and the discharge port 12 when the tank body is not in use.
It should be noted that, in some embodiments, a worker may set a sealing ring sleeved outside the sealing block 34 at the joint between the external thread sealing block 34 and the mounting block 32, so as to further seal the gap, ensure that the fire extinguishing agent 11 does not flow out along the gap, and improve the practicability of the device.
Referring to fig. 1-2, a hanging member 2 is fixedly connected to the outer wall of the top of the tank 1 and used for hanging and mounting the tank 1;
specifically, the hanging part 2 can be integrally formed on the outer wall of the tank body 1, and aims to enhance the connection tightness between the tank body 1 and the hanging part 2 and avoid the phenomenon that the tank body 1 and the hanging part 2 fall off and separate from each other when used for a long time.
In the present embodiment, the worker may set the hanger 2 as another hooking object such as a hook joint as an alternative means in the present embodiment.
Further, in the present embodiment, the fire extinguishing apparatus is preferably suspended at a height of 3.5m from the magnesium chips, and the nozzle 3 is preferably suspended at a height of 3m to 3.15m from the ground, so that the apparatus can be optimally used, and the fire extinguishing treatment of the magnesium chips can be performed in the largest area.
Referring to fig. 2-3, the nozzle 3 is a percussion structure, and the nozzle 3 is disposed at the bottom of the tank body 1 and communicated with the discharge port 12 for spraying the fire extinguishing agent 11 to the fire point, the nozzle 3 includes a connection frame 32 having an internal thread fixing groove 31, and a thread push rod 311 is disposed in the internal thread fixing groove 31, the internal thread fixing groove 31 is disposed at the bottom of the thread push rod 311, a spraying piston 33 is disposed at the top of the connection frame 32, an external thread sealing block 34 is disposed on the upper surface of the connection frame 32 and extends into the discharge port 12, and the external thread sealing block 34 is provided with a through hole for communicating the spraying piston 33 and for circulating the fire extinguishing agent 11, a glass plug 35 is tightly abutted between the spraying piston 33 and the thread push rod 311, an internal thread is disposed on the inner wall of the discharge port 12, and an outer wall of the external thread sealing block 34 is disposed to be matched with the internal thread, and the bottom of the connecting frame 32 is also fixedly connected with a splash plate 36, and the sidewall of the splash plate 36 is provided with a plurality of shielding blocks 361 for blocking and shunting the fire extinguishing agent 11 at equal angles in a surrounding manner.
Specifically, the nozzle 3 includes a connection frame 32, and an internal thread fixing groove 31 is formed in the connection frame 32, and a screw top rod 311 extending out of the internal thread fixing groove 31 is formed in the internal thread fixing groove 31, so that when the detector 4 detects a fire in the warehouse, its signal is transmitted back to the intelligent control box (containing the battery and control circuit board) 6 which will output the power in the battery pack 6 to the electronic starter/striker 73, thereby striking the steel ball 75 and breaking the glass plug 35 between the threaded mandril 311 and the discharge piston 33, causing it to break and expose the discharge hole of the discharge piston 33, furthermore, the fire extinguishing agent 11 in the tank body 1 is sprayed out along the through holes on the sealing block 34 under the influence of negative pressure, and the fire-extinguishing treatment is realized by uniformly covering the fire-catching points with the splash pan 36 and the diversion cover 72.
It should be noted that, because the sealing block 34 is connected to the discharge port 12 through thread sealing, it can be stably ensured that the fire extinguishing agent 11 will not flow out along the gap between the two when not in use, and simultaneously, the glass plug 35 can well abut against the discharge hole of the spraying piston 33 before being squeezed and broken, so that the fire extinguishing agent 11 will not flow out, and the glass plug 35 is made of glass, so that the glass plug can be easily broken under the impact of the steel ball 75 when a fire occurs, so that the fire extinguishing agent 11 can be stably sprayed out.
In some embodiments, the bottom steel ball of the connection frame 32 is further provided with a splash pan 36, and the outer edge of the splash pan 36 is provided with a plurality of blocking blocks 361, so that after the fire extinguishing agent 11 is sprayed out from the spraying piston 33, the fire extinguishing agent 11 can be guided and distributed well, the fire extinguishing agent is distributed uniformly in a regional range, the fire behavior of the fire is well controlled, and the spraying piston 33 preferably adopts a Viking K8068 ℃ water spray head.
Referring to fig. 1-2, the smoke fire detector 4 of the detector is fixedly connected to a side wall of the tank 1 through a mounting plate 5, and is electrically connected to an intelligent control box (including a storage battery pack and a circuit board) 6, the intelligent control box (including a storage battery pack and a circuit board) 6 is electrically connected to an electronic starter/striker 73, the electronic starter/striker 73 is started by a power supply to strike a steel ball 75 to break a glass plug 35, so that a discharge piston 33 is flicked, a fire extinguishing agent 11 can be released through a nozzle 3, and the intelligent control box (including a storage battery pack and a circuit board) 6 is used for controlling a firing state of the nozzle 3.
Specifically, in this embodiment, a mounting panel 5 is fixedly connected to a side wall of the tank body 1, the staff is connected with a detector smoke detector 4 through the bottom of the mounting panel 5, the detector smoke detector 4 is a fire alarm detector, and is electrically connected with the intelligent control box (including the storage battery and the circuit board) 6 through a connecting wire, when the detector smoke detector 4 detects smoke and fire, the fire signal is transmitted back to the intelligent control box (including the storage battery and the circuit board) 6, the intelligent control box inputs the power to the electronic starter/impactor 73 through the connecting wire, and the steel ball 75 is impacted, so that the glass plug 35 is extruded and broken.
Referring to fig. 1-2, the intelligent control box includes a circuit board and a storage battery 6, which are fixedly mounted on the mounting plate 5 and electrically connected to the detector 4, wherein a plurality of connecting blocks 61 are disposed at the bottom of two symmetrical sidewalls of the storage battery 6, and a locking member 62 detachably connected to the mounting plate 5 is disposed in each connecting block 61.
Specifically, the preferred upper surface at mounting panel 5 of passing through retaining member 62 fixed mounting that passes through of intelligent control box 6, the electric energy of storing in it can provide the power for detector smoke detector 4 when the during operation at ordinary times, guarantee detector smoke detector 4's normal work, when detector smoke detector 4 finds the condition of a fire meeting time output fire signal to intelligent control box 6, the power in the intelligent control box 6 is in-time input to electronic starter/impinger 73, realize the processing of putting out a fire in the above-mentioned embodiment.
Referring to fig. 1-2, the fairing 7 is fixed to the outer side of the nozzle 3 in a sleeved manner and is used for evenly distributing the fire extinguishing agent 11 sprayed from the nozzle 3 in a working area after rectification, the fairing 7 comprises a sleeve 71 and a diversion cover 72 integrally formed at the bottom of the sleeve 71, a hexagonal internal thread brass fixing seat 74 is arranged in one side of the bottom of the sleeve 71, one end of the hexagonal internal thread brass fixing seat 74 is in threaded connection with an electronic starter/impactor 73, a steel ball 75 is fixed to the inner side of the sleeve 71, the sleeve 71 is fixed to the outer side of the nozzle 3 in a sleeved manner, and the top of the sleeve 71 is in sealed connection with the outer wall of the tank 1.
Specifically, the fairing 7 comprises a sleeve 71 and a flow dividing cover 72, and the whole cross section of the fairing 7 is in an inverted funnel shape, wherein the outer diameter of the sleeve 71 is 50mm, the inner diameter is 44mm, the height is 66mm, the center of the sleeve is provided with a nozzle 3, the length of a bevel edge of the flow dividing cover 72 is 95mm, the vertical side length is 38mm, and the opening diameter is 200 mm.
The working principle and the using process of the utility model are as follows: after the utility model is installed, when the smoke fire detector 4 of the detector detects smoke fire in the warehouse, the smoke fire detector can transmit signals back to the intelligent control box 6, the intelligent control box 6 outputs power to the electronic starter/impactor 73, the electronic starter/impactor 73 is started through the power to impact the steel ball 75 so as to break the glass plug 35, the spraying piston 33 is bounced to expose a discharge hole, the fire extinguishing agent 11 can be released through the nozzle 3, further, the fire extinguishing agent 11 in the tank body 1 flows into the spraying piston 33 along the through hole on the external thread sealing block 34 under the propelling of nitrogen, after the spraying piston 33 sprays the fire extinguishing agent 11, the fire extinguishing agent 11 firstly reaches the splash disc 36, then the fire extinguishing agent 11 is shunted and guided by a plurality of blocking blocks 361 arranged on the splash disc 36 to be sprayed onto the inner wall of the oblique edge of the shunt cover 72 and then reaches the vertical edge along the inner wall of the oblique edge, further, the fire extinguishing agent is sprayed out of the device to cover the fire point, thereby realizing the fire extinguishing treatment of the device on the fire.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (7)

1. A suspended centralized fire suppression unit, comprising:
the fire extinguishing tank comprises a tank body (1) with a cavity inside, wherein a fire extinguishing agent (11) is filled in the cavity, and a discharge hole (12) for spraying the fire extinguishing agent (11) is formed in the bottom of the tank body (1);
the hanging piece (2) is fixedly connected to the outer wall of the top of the tank body (1) and used for hanging and mounting the tank body (1);
the nozzle (3) is of a firing structure, is arranged at the bottom of the tank body (1), is communicated with the discharge hole (12) and is used for spraying the fire extinguishing agent (11) to an ignition point;
the smoke fire detector (4) of the detector and the intelligent control box (6) are fixedly connected to one side wall of the tank body (1) through a mounting plate (5), are connected with the nozzle (3) and are used for controlling the firing state of the nozzle (3);
the intelligent control box (6) is fixedly provided with a storage battery pack and a circuit board which are electrically connected with the smoke fire detector (4) of the detector; and the number of the first and second groups,
and the fairing (7) is fixedly sleeved on the outer side of the nozzle (3) and is used for uniformly distributing the fire extinguishing agent (11) sprayed out of the nozzle (3) in a fire extinguishing protection area after rectification.
2. A suspended type concentrated fire extinguishing apparatus according to claim 1, wherein the nozzle (3) comprises a connection frame (32) having an internally threaded fixing groove (31), and a thread mandril (311) is arranged in the internal thread fixing groove (31), the internal thread fixing groove (31) positioned at the bottom of the thread mandril (311) is connected with a splash plate (36), a spraying piston (33) is arranged at the top of the connecting frame (32) in a penetrating way, the upper surface of the connecting frame (32) is provided with an external thread sealing block (34) extending into the discharge hole (12), and the external thread sealing block (34) is communicated with the spraying piston (33), and the spraying piston (33) and the threaded ejector rod (311) are tightly abutted with a glass plug (35).
3. A suspended type centralized fire extinguishing apparatus according to claim 2, wherein the inner wall of the discharging port (12) is provided with an internal thread, and the outer wall of the external thread sealing block (34) is provided with an external thread (341) which is matched with the internal thread and is in threaded connection with the internal thread.
4. A suspended type centralized fire extinguishing apparatus according to claim 2, wherein a splash pan (36) is fixedly connected to the bottom of the connecting frame (32), and a plurality of blocking pieces (361) for blocking the divided flow of the fire extinguishing agent (11) are arranged around the side wall of the splash pan (36) at equal angles.
5. A suspended type centralized fire extinguishing apparatus according to claim 1, wherein the fairing (7) comprises a sleeve (71) and a diversion cover (72) integrally formed at the bottom of the sleeve (71), the sleeve (71) is sleeved and fixed at the outer side of the nozzle (3), and the top of the sleeve is hermetically connected with the outer wall of the tank body (1).
6. A suspension type centralized fire extinguishing apparatus according to claim 1, wherein the storage battery pack and the circuit board are arranged at the bottom of two side walls symmetrically arranged on the intelligent control box (6) and are provided with a plurality of connecting blocks (61), and each connecting block (61) is internally provided with a locking member (62) detachably connected with the mounting plate (5).
7. A suspended type centralized fire extinguishing apparatus according to claim 5, wherein the outer wall of one side of the sleeve (71) of the fairing (7) is provided with a hexagonal female brass fixing seat (74), one end of the hexagonal internal thread brass fixing seat (74) is connected with an electronic starter/impactor (73), the other end is connected with a steel ball (75) at the inner side of the sleeve (71), when a fire signal of the smoke fire detector (4) of the detector is sent to the intelligent control box (6), the intelligent control box (6) immediately outputs a signal to the electronic starter/impactor (73), the electronic starter/impactor (73) can instantly impact the steel ball (75) to further impact the glass plug (35) to enable the spray nozzle discharge piston (33) to fall off, the extinguishing agent (11) is sprayed from the interior of the tank (1) via the nozzle (3) at a first time.
CN202122577224.7U 2021-10-25 2021-10-25 Suspension type centralized fire extinguishing device Active CN216125113U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122577224.7U CN216125113U (en) 2021-10-25 2021-10-25 Suspension type centralized fire extinguishing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122577224.7U CN216125113U (en) 2021-10-25 2021-10-25 Suspension type centralized fire extinguishing device

Publications (1)

Publication Number Publication Date
CN216125113U true CN216125113U (en) 2022-03-25

Family

ID=80773420

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122577224.7U Active CN216125113U (en) 2021-10-25 2021-10-25 Suspension type centralized fire extinguishing device

Country Status (1)

Country Link
CN (1) CN216125113U (en)

Similar Documents

Publication Publication Date Title
CN211700954U (en) Safety device of high-voltage switch cabinet
CN216125113U (en) Suspension type centralized fire extinguishing device
CN110170127B (en) Microminiature fire extinguishing device with rechargeable battery pack and fire extinguishing method thereof
CN107715359A (en) A kind of home-use Fire Hose for integrating monitoring, alarming, sue and labour, escaping
CN105126274A (en) Movable intelligent fire extinguishment and explosion suppression system for gas station
CN103801041A (en) Fire extinguisher
CN210250990U (en) Fire early warning and integrated device with fire extinguishing function
CN211694505U (en) Lamp with self-service fire extinguishing function
CN215653586U (en) Foam fire-fighting spray head
CN214286427U (en) Cabinet type heptafluoropropane gas fire extinguishing device
CN211885040U (en) Hand-held type low pressure double-fluid thin water smoke lithium cell fire extinguisher
CN107929985A (en) Fire monitor
CN202844422U (en) Fire extinguisher
CN113616953A (en) Unmanned aerial vehicle direct-spraying water-based fire extinguishing device
CN207614234U (en) A kind of home-use fire box for integrating monitoring, alarming, sue and labour, escaping
KR101226447B1 (en) Fire-extinguisher for safety cap
CN208287364U (en) A kind of harness is portable to communicate extinguishing device
CN215900798U (en) City is with conflagration emergence water spray quick trigger device
CN210963690U (en) Fire extinguishing system
CN111184961A (en) Hand-held type low pressure double-fluid thin water smoke lithium cell fire extinguisher
CN217938950U (en) Special extinguishing device of multi-functional lithium ion battery of integrated form
CN220237601U (en) Portable rack safety fire control device
CN1033307C (en) Air borne fire-extinguisher
CN216963367U (en) Automatic fire extinguishing device for cage of coal mine
CN217697719U (en) Throwing type fire-extinguishing vase

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant