CN114033728B - Fire control smoke exhaust fan - Google Patents
Fire control smoke exhaust fan Download PDFInfo
- Publication number
- CN114033728B CN114033728B CN202111229761.0A CN202111229761A CN114033728B CN 114033728 B CN114033728 B CN 114033728B CN 202111229761 A CN202111229761 A CN 202111229761A CN 114033728 B CN114033728 B CN 114033728B
- Authority
- CN
- China
- Prior art keywords
- arc
- plate
- passage
- shaped plate
- limiting
- 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
Links
- 239000000779 smoke Substances 0.000 title claims abstract description 47
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 110
- 238000005507 spraying Methods 0.000 claims abstract description 39
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 10
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 10
- 241001330002 Bambuseae Species 0.000 claims description 10
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 10
- 239000011425 bamboo Substances 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 10
- 230000000903 blocking effect Effects 0.000 claims description 7
- 230000001360 synchronised effect Effects 0.000 claims 1
- 241000282414 Homo sapiens Species 0.000 description 5
- 239000000428 dust Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 239000010881 fly ash Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000002910 solid waste Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
- F04D25/12—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit being adapted for mounting in apertures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/54—Fluid-guiding means, e.g. diffusers
- F04D29/56—Fluid-guiding means, e.g. diffusers adjustable
- F04D29/563—Fluid-guiding means, e.g. diffusers adjustable specially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/582—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps
- F04D29/5846—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps cooling by injection
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
- F04D29/703—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps specially for fans, e.g. fan guards
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
- F04D29/705—Adding liquids
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention discloses a fire-fighting smoke exhaust fan, and relates to the technical field of fire-fighting equipment. The fire-fighting smoke exhaust fan comprises a fixed frame, an arc-shaped plate and a fan assembly, wherein the fixed frame is fixedly arranged on a wall surface; the arc plate is rotatably arranged in the fixed frame along the radial extending central line of the arc plate as a rotating shaft, the arc plate is provided with a first end face and a second end face which are positioned in the axial direction of the arc plate, a plurality of first water spraying guns are arranged on the arc plate at the position close to the first end face, and a plurality of second water spraying guns are arranged on the arc plate at the position close to the second end face; the fan assembly is arranged on the arc-shaped plate, and the air outlet direction of the fan assembly is along the axis and faces the direction of the second end face; the arc-shaped plate is provided with a first limiting position and a second limiting position on a rotating stroke. The invention aims to solve the problems that the existing smoke exhaust device has a single structure and can not switch different functions according to the actual situation when a fire disaster occurs.
Description
Technical Field
The invention relates to the technical field of fire-fighting equipment, in particular to a fire-fighting smoke exhaust fan.
Background
Fire refers to a catastrophic combustion phenomenon that is out of control in time or space. Among the various disasters, fire is one of the most frequent and most widespread disasters threatening public safety and social development, and human beings can utilize and control fire, which is an important sign of civilization progress. Therefore, the history of fire use by human beings and the history of fire fight are concomitant, and people can continuously summarize the occurrence rule of the fire when using the fire, so that the fire and the harm to human beings are reduced as much as possible. People need to escape safely and quickly when encountering fire. The fire-fighting corridor smoke extractor has the advantages that a large amount of dense smoke is generated during a fire disaster, the dense smoke contains a large amount of toxic gas, the dense smoke can affect escape personnel and firefighters, the suction of the dense smoke can reduce the functions of a human body and cause life hazards, most of the existing fire-fighting corridor smoke extractor is single in structure, and different functions can not be switched according to actual firing conditions when the fire disaster occurs.
Disclosure of Invention
The invention mainly aims to provide a fire-fighting smoke exhaust fan, which aims to solve the problems that the existing smoke exhaust device is single in structure and can not switch different functions according to the actual situation when a fire disaster occurs.
In order to achieve the above object, the present invention provides a fire-fighting smoke exhaust fan, comprising:
the fixed frame is used for being fixedly arranged on the wall surface;
the arc-shaped plate is rotatably arranged in the fixed frame along the radial extending central line of the arc-shaped plate as a rotating shaft, the arc-shaped plate is provided with a first end face and a second end face which are positioned in the axial direction of the arc-shaped plate, a plurality of first water spraying guns are arranged at positions close to the first end face, and a plurality of second water spraying guns are arranged at positions close to the second end face; the method comprises the steps of,
the fan assembly is arranged on the arc-shaped plate, and the air outlet direction of the fan assembly is along the axis and faces the direction of the second end face;
the arc-shaped plate is provided with a first limiting position and a second limiting position on the rotating stroke, when the arc-shaped plate is positioned at the first limiting position, a plurality of first water spraying guns work, and when the arc-shaped plate is positioned at the second limiting position, a plurality of second water spraying guns work.
Optionally, the fan assembly includes:
the working box is fixedly arranged in the fixed frame, is arranged opposite to the arc-shaped plate and is positioned on the central line of the arc-shaped plate, a fan is fixedly arranged in the inner cavity of the working box, an air inlet is formed in one side, close to the second end face, of the working box, and the air inlet is communicated with the inner cavity; the method comprises the steps of,
the air outlet ring is fixedly arranged on the inner side of the arc-shaped plate, an annular air channel is formed in the air outlet ring, the opening direction of the annular air channel is along the axis and faces the second end face direction, and the annular air channel is communicated with the inner cavity through an air inlet pipeline;
and a limiting structure is arranged between the working box and the air outlet ring, so that the arc-shaped plate is limited when being positioned at the first limiting position and the second limiting position.
Optionally, the limiting structure includes:
the limiting plate is in sliding connection with the working box along the direction of the central line through a limiting pin, the limiting pin is used for limiting the limiting plate to move along the axial line direction, a limiting groove is formed in one side, close to the arc-shaped plate, of the limiting plate, and the arc-shaped plate is arranged in the limiting groove; the method comprises the steps of,
and the elastic element is arranged between the limiting plate and the working box, so that the groove wall of the limiting groove is abutted against the two side walls of the air outlet ring in the axial direction.
Optionally, a plurality of the first water spraying guns are circumferentially arranged around the inner side of the arc-shaped plate, and the plurality of the first water spraying guns are arranged in a staggered mode in the axis direction.
Optionally, a driving structure is arranged on the inner side of the arc-shaped plate to drive a plurality of first water guns) to synchronously move along the axial direction;
the inner side of the arc-shaped plate is fixed with a filter screen.
Optionally, the driving structure includes a plurality of electric putter, and is a plurality of electric putter corresponds the quantity setting of first water gun, every electric putter is all fixed mounting on the arc, every electric putter's push rod all with corresponding first water gun is fixed.
Optionally, the arc is in a plurality of mounting holes have been seted up to the second terminal surface, every the second water gun is established in the corresponding in the mounting hole, every one side of second water gun all is equipped with dismouting structure, every the second water gun all passes through dismouting structure with the arc can dismantle and be connected.
Optionally, each of the dismounting structures includes:
the blocking cover is arranged at the opening of the corresponding mounting hole, and is provided with a through hole for the head of the corresponding second water spraying gun to extend out; the method comprises the steps of,
the screw thread section of thick bamboo, the one end of screw thread section of thick bamboo with the fender lid is close to one side of arc is fixed, the screw thread has been seted up to the outer periphery of screw thread section of thick bamboo, the arc is followed the axis direction is in the position of corresponding the screw thread section of thick bamboo has seted up the screw thread groove, the screw thread section of thick bamboo with arc threaded connection.
Optionally, the inside of arc is equipped with first passageway and second passageway, a plurality of first water gun all with first passageway intercommunication, a plurality of second water gun all with the second passageway intercommunication, the inboard of fixed frame is equipped with water inlet unit, water inlet unit be in the arc is located first restriction position time with first passageway is linked together, be in the arc is located second restriction position time with the second passageway is linked together.
Optionally, the water inlet device comprises:
the connecting block is fixed on the fixed frame, and a water inlet passage is formed in the inner side of the connecting block; the method comprises the steps of,
the rotary joint is rotationally connected with the connecting block and is fixed with the arc-shaped plate, a third passage and a fourth passage are formed in the rotary joint, the third passage is communicated with the first passage, and the fourth passage is communicated with the second passage;
when the arc plate rotates to the first limiting position, the third passage is communicated with the water inlet passage, and when the arc plate rotates to the second limiting position, the fourth passage is communicated with the water inlet passage.
According to the technical scheme, the fixed frame is arranged on the wall surface of the stairwell, when the first end face of the arc-shaped plate faces the inner side of the stairwell, the arc-shaped plate is located at the first limiting position, a plurality of first water sprayers and a plurality of second water sprayers are respectively communicated with an external water source, when smoke is detected by fire, the fan assembly is electrified to work, the air inlet direction of the fan assembly always faces the outside of a building, the air outlet direction of the fan assembly is along the axis and faces the second end face, smoke generated by fire can be guided to be discharged out of the building, the first water sprayers arranged near the first end face work, water is sprayed to the smoke passing through the fan assembly, the smoke passing through the fan assembly is cooled, the fan assembly is prevented from being influenced by high smoke temperature, and particulate impurities such as fly ash are prevented from being discharged into the external air.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of a front view structure of an embodiment of a fire-fighting smoke exhaust fan provided by the invention;
FIG. 2 is a schematic view of the arcuate plate of FIG. 1 in a second limit position;
FIG. 3 is a schematic front view of the arcuate plate of FIG. 1;
FIG. 4 is a schematic cross-sectional view of the blower assembly of FIG. 1 taken along line A-A;
fig. 5 is a schematic cross-sectional view of the water inlet device of fig. 1 along A-A.
Reference numerals illustrate:
the achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present invention, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout includes three parallel schemes, for example "A and/or B", including the A scheme, or the B scheme, or the scheme where A and B are satisfied simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
The existing smoke exhaust fan installed in a corridor has a single function, and can only exhaust the dense smoke in the corridor out of the building, and when a fire disaster is large, the fan can attract flame to spread when exhausting the dense smoke, so that the combustion rate of inflammables is accelerated, and people are influenced to escape.
Referring to fig. 1 to 3, the fire-fighting smoke exhaust fan 100 includes a fixed frame 1, an arc plate 2 and a fan assembly 7, wherein the fixed frame 1 is fixedly installed on a wall surface, a center line 24 extending along a radial direction of the arc plate 2 is a rotation axis and is rotatably installed in the fixed frame 1, the arc plate 2 has a first end surface 3 and a second end surface 4 in a direction of an axis 25 thereof, the arc plate 2 is provided with a plurality of first water spraying guns 5 near the first end surface 3, a plurality of second water spraying guns 6 near the second end surface 4, the fan assembly 7 is installed on the arc plate 2, and an air outlet direction of the fan assembly 7 is along the axis 25 and faces the direction of the second end surface 4; the arc-shaped plate 2 is provided with a first limiting position and a second limiting position on the rotating stroke, when the arc-shaped plate 2 is positioned at the first limiting position, a plurality of first water spraying guns 5 work, and when the arc-shaped plate 2 is positioned at the second limiting position, a plurality of second water spraying guns 6 work.
In the technical scheme of the invention, the fixed frame 1 is arranged on the wall surface of the stairwell, when the first end surface 3 of the arc plate 2 faces the inner side of the stairwell, the arc plate is positioned at the first limiting position, wherein a plurality of first water spraying guns 5 and a plurality of second water spraying guns 6 are respectively communicated with an external water source, when smoke is detected by fire, the fan assembly 7 is electrified to work, the air inlet direction of the fan assembly 7 always faces the outside of the building, the air outlet direction of the fan assembly 7 is along the axis 25 and faces the second end surface 4, so that smoke generated by fire can be guided to be discharged out of the building, a plurality of first water spraying guns 5 arranged near the first end surface 3 work, spray water into the smoke passing through the fan assembly 7 to cool the smoke passing through the fan assembly 7, the fan assembly 7 is prevented from being influenced by high flue gas temperature, particulate matter impurities such as fly ash and the like are prevented from being discharged into the outside air, in addition, when the condition of corridor fire is large, the arc plate 2 is rotated, so that the second end face 4 of the arc plate 2 faces the inner side of the stairwell, namely, when the arc plate is positioned at the second limiting position, the first water spraying guns 5 stop working, the second water spraying guns 6 start working, water is sprayed to a corridor area, meanwhile, the air outlet direction of the fan assembly 7 faces the inner side of the corridor and blows fresh air, a safe rescue space is provided for people groups, and the device can realize manual switching, and can select to discharge corridor thick smoke or blow fresh air into the corridor and extinguish flames in the surrounding environment according to the actual condition of fire. Because the present invention mainly improves the whole part of the fire-fighting smoke exhaust fan 100, the present invention can detect the smoke, control the power-on operation of the fan assembly 7 and the feeding of the external water source, which are all available in the prior art, and will not be described herein.
Referring to fig. 4, the fan assembly 7 includes a working box 71 and an air outlet ring 72, the working box 71 is fixedly mounted in the fixed frame 1, is disposed opposite to the arc plate 2 and is located on the central shaft 24 of the arc plate 2, the inner cavity 10 of the working box 71 is fixedly mounted with a fan 8, the working box 71 is provided with an air inlet 9 at one side close to the second end surface 4, the air inlet 9 is communicated with the inner cavity 10, the air outlet ring 72 is fixedly mounted at the inner side of the arc plate 2, an annular air duct 11 is provided in the air outlet ring 72, and the opening direction of the annular air duct 11 is along the axis 25 and is directed towards the direction of the second end surface 4, and the annular air duct 11 is communicated with the inner cavity 10 through an air inlet pipe 12; wherein, a limit structure 13 is arranged between the working box 71 and the air outlet ring 72, so that the arc plate 2 is limited when being positioned at the first limit position and the second limit position.
By arranging the blower 8 in the working box 71, and the air inlet 9 of the working box 71 always faces the outside of the building, when the arc plate 2 is at the first limiting position, the blower can guide external air to enter the annular air duct 11 of the air outlet ring 72 from the air inlet 9 during working, and blow air along the opening direction of the annular air duct 11, at the moment, air negative pressure is generated on one side of the air outlet ring 72, which is close to the first end face 3, so as to guide the smoke in the building to be discharged, and as the blower 8 is not arranged in a channel through which dense smoke passes, the blower 8 is not easy to damage due to the temperature of the smoke and solid impurities in the smoke, so that the blower can continuously work in a fire occurrence field, and simultaneously when the arc plate 2 is at the second limiting position, the air outlet ring 72 rotates along with the arc plate 2, so as to change the air outlet direction, thereby respectively realizing the functions of blowing fresh air into the air channel and blowing fresh air into the air channel.
Further, referring to fig. 4 again, the limiting structure 13 includes a limiting plate 131 and an elastic element 132, the limiting plate 131 is slidably connected with the working box 71 along the direction of the central shaft 24 through a limiting pin 133, the limiting pin 133 limits the limiting plate 131 to move along the direction of the axis 25, the limiting plate 131 is provided with a limiting groove 134 on one side close to the arc plate 2, the arc plate 2 is disposed in the limiting groove 134, and the elastic element 132 is mounted between the limiting plate 131 and the working box 71, so that the limiting groove 134 abuts against the two side walls 22 of the air outlet ring 72 along the direction of the axis 25. It should be noted that, the mounting position of the limiting plate 131 is not limited, and the limiting plate 131 may be mounted at any position on the fixed frame 1 or the working box 71, and only the limiting plate 131 may be ensured not to move along the axis 25 and to abut against the two side walls 22 of the air outlet ring 72, and correspondingly, the limiting pin 133 may also be disposed at any position on the fixed frame 1 or the working box 71, where the setting form of the elastic element 132 may also be not limited, and may be a spring or an elastic pad.
The limiting groove 134 formed on the limiting plate 131 corresponds to the groove walls of the two side walls 22 of the air outlet ring 72, and can be arranged at a certain angle, so that people can conveniently rotate the arc plate 2 while ensuring that the arc plate 2 is positioned at the first limiting position and the second limiting position.
Referring to fig. 1 to 3, a plurality of the first water sprayers 5 are circumferentially disposed around the inner side of the arc-shaped plate 2, and the plurality of first water sprayers 5 are disposed in a staggered manner along the axis 25. With a plurality of first water gun 5 follow axis 25 dislocation set, then a plurality of first water gun 5 simultaneous working time can form the multilayer water curtain, not only can fully cool down the smog can also reach good dust fall effect.
Further, referring to fig. 4, a driving structure 15 is disposed on the inner side of the arcuate plate 2 to drive the plurality of first water guns 5 to move synchronously along the axis 25; a filter screen 14 is fixed on the inner side of the arc-shaped plate 2.
Because the smoke dust has the characteristics of high concentration and high temperature, especially in some high-rise environments, the smoke dust is easy to roll up some solid sundries and drop, and the fire scene is easy to explode, so that the solid waste flies out of the building and is easy to cause human damage to people outside the building, the filter screen 14 is fixed on the inner side of the arc plate 2 so as to prevent the solid waste from flying out of the building, and meanwhile, the driving structure 15 is arranged to drive a plurality of first water guns 5 to synchronously move, so that the filter screen 14 can be flushed while a multi-layer water curtain is formed so as to prevent the filter screen 14 from being blocked and the smoke discharging effect is influenced.
The driving structure 15 includes a plurality of electric push rods 151, a plurality of electric push rods 151 are arranged corresponding to the first water guns 5, each electric push rod 151 is fixedly mounted on the arc plate 2, and each push rod of the electric push rod 151 is fixed with the corresponding first water gun 5. The setting mode of the driving assembly is not limited, and may be an electric push rod 151 or a combination of a reciprocating screw rod and a motor, in this embodiment, each electric push rod 151 pushes a corresponding first water gun 5, so that a plurality of first water guns 5 move synchronously, in addition, a plurality of first water guns 5 and a plurality of driving structures 15 may be disposed on the inner side of the arc plate 2 or on the outer side of the arc plate 2, and in this embodiment, a plurality of first water guns 5 and a plurality of driving structures 15 are disposed inside the arc plate 2, thereby avoiding the whole body from being exposed outside and improving the service life of the arc plate.
Referring to fig. 2 and 5, the arc-shaped plate 2 has a plurality of mounting holes 16 formed in the second end surface 4, each second water spraying gun 6 is disposed in the corresponding mounting hole 16, one side of each second water spraying gun 6 is provided with a dismounting structure 17, and each second water spraying gun 6 is detachably connected with the arc-shaped plate 2 through the dismounting structure 17. The second water spraying gun 6 is directly arranged in the mounting hole 16 and is prevented from falling from the arc-shaped plate 2 through the dismounting structure 17, and because the second water spraying gun 6 is impacted by water to move towards the inside of the mounting hole 16 when in operation, the dismounting structure 17 is only required to be slightly fixed with the arc-shaped plate 2, when the second water spraying gun 6 works, people can quickly take down the second water spraying gun 6 through the dismounting structure 17, and the second water spraying gun 6 is held by the hands to freely control the spraying range of the second water spraying gun 6, so that the self-rescue and self-fire relief are protected.
The direction of opening the mounting hole 16 does not necessarily need to be along the direction of the axis 25 of the arc-shaped plate 2, and the axial direction of the mounting hole 16 may be inclined at a certain angle with respect to the direction of the axis 25 of the arc-shaped plate 2, so that the spraying range of the second water guns 6 when spraying in combination can be widened.
Further, referring to fig. 4, each of the dismounting structures 17 includes a blocking cover 171 and a threaded cylinder 172, the blocking cover 171 is disposed at an opening of the corresponding mounting hole 16, a through hole 18 is formed in the blocking cover 171 for the head of the corresponding second monitor 6 to extend, one end of the threaded cylinder 172 is fixed to one side of the blocking cover 171, which is close to the arc plate 2, threads are formed on an outer circumferential surface of the threaded cylinder 172, a threaded groove 23 is formed in the arc plate 2 along the axis 25 direction at a position corresponding to the threaded cylinder 172, and the threaded cylinder 172 is in threaded connection with the arc plate 2. By screwing the blocking cover 171, the threaded cylinder 172 is separated from the arc-shaped plate 2, and the second water spraying gun 6 can be taken out, so that the operation is simple and labor-saving, and the operation of people in emergency is convenient.
Referring to fig. 5, a first passage 19 and a second passage 20 are provided in the arc-shaped plate 2, a plurality of first water sprayers 5 are all communicated with the first passage 19, a plurality of second water sprayers 6 are all communicated with the second passage 20, a water inlet device 21 is provided in the inner side of the fixed frame 1, the water inlet device 21 is communicated with the first passage 19 when the arc-shaped plate 2 is located at the first limiting position, and is communicated with the second passage 20 when the arc-shaped plate 2 is located at the second limiting position.
The plurality of first water sprayers 5 and the plurality of second water sprayers 6 can be respectively communicated with the first passage 19 and the second passage 20 through pipelines, wherein the pipelines are required to have a certain length because the plurality of first water sprayers 5 and the plurality of second water sprayers 6 can move, and the plurality of first water sprayers 5 and the plurality of second water sprayers 6 are respectively connected in series on the first passage 19 and the second passage 20, so that the plurality of first water sprayers 5 are not damaged by one or more of the first water sprayers 5 to affect sprinkling and the plurality of second water sprayers 6 are not damaged by one or more of the second water sprayers 6 to affect sprinkling.
Referring to fig. 5 again, the water inlet device 21 includes a connection block 211 and a rotary joint 212, the connection block 211 is fixed on the fixed frame 1, and a water inlet channel 213 is provided on the inner side of the connection block 211; the rotary joint 212 is rotatably connected with the connecting block 211 and is fixed with the arc-shaped plate 2, a third passage 214 and a fourth passage 215 are formed in the rotary joint 212, the third passage 214 is communicated with the first passage 19, and the fourth passage 215 is communicated with the second passage 20; the third passage 214 communicates with the water inlet passage 213 when the arc plate 2 is rotated to the first limiting position, and the fourth passage 215 communicates with the water inlet passage 213 when the arc plate 2 is rotated to the second limiting position.
The third passage 214 and the fourth passage 215 are respectively communicated with the water inlet passage 213 when the arc plate 2 rotates, thereby realizing the effect of separately operating the plurality of first water guns 5 and the plurality of second water guns 6.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structural changes made by the description of the present invention and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the invention.
Claims (8)
1. A fire smoke exhaust fan, characterized by comprising:
the fixed frame is used for being fixedly arranged on the wall surface;
the arc-shaped plate is rotatably arranged in the fixed frame along the radial extending central line of the arc-shaped plate as a rotating shaft, the arc-shaped plate is provided with a first end face and a second end face which are positioned in the axial direction of the arc-shaped plate, a plurality of first water spraying guns are arranged at positions close to the first end face, and a plurality of second water spraying guns are arranged at positions close to the second end face; the method comprises the steps of,
the fan assembly is arranged on the arc-shaped plate, and the air outlet direction of the fan assembly is along the axis and faces the direction of the second end face;
the arc-shaped plate is provided with a first limiting position and a second limiting position on the rotating stroke, when the arc-shaped plate is positioned at the first limiting position, a plurality of first water spraying guns work, and when the arc-shaped plate is positioned at the second limiting position, a plurality of second water spraying guns work;
the fan assembly includes:
the working box is fixedly arranged in the fixed frame, is arranged opposite to the arc-shaped plate and is positioned on the central line of the arc-shaped plate, a fan is fixedly arranged in the inner cavity of the working box, an air inlet is formed in one side, close to the second end face, of the working box, and the air inlet is communicated with the inner cavity; the method comprises the steps of,
the air outlet ring is fixedly arranged on the inner side of the arc-shaped plate, an annular air channel is formed in the air outlet ring, the opening direction of the annular air channel is along the axis and faces the second end face direction, and the annular air channel is communicated with the inner cavity through an air inlet pipeline;
a limiting structure is arranged between the working box and the air outlet ring, so that the arc-shaped plate is limited when being positioned at the first limiting position and the second limiting position;
the limit structure comprises:
the limiting plate is in sliding connection with the working box along the direction of the central line through a limiting pin, the limiting pin is used for limiting the limiting plate to move along the axial line direction, a limiting groove is formed in one side, close to the arc-shaped plate, of the limiting plate, and the arc-shaped plate is arranged in the limiting groove; the method comprises the steps of,
and the elastic element is arranged between the limiting plate and the working box, so that the groove wall of the limiting groove is abutted against the two side walls of the air outlet ring in the axial direction.
2. The fire smoke evacuation fan of claim 1, wherein a plurality of said first water jets are circumferentially disposed about the inner side of said arcuate plate, and wherein a plurality of said first water jets are offset in said axial direction.
3. The fire smoke exhaust ventilator of claim 1 wherein the inside of the arcuate plate is provided with a drive structure for driving the plurality of first water guns in a synchronized motion along the axis;
the inner side of the arc-shaped plate is fixed with a filter screen.
4. The fire smoke exhaust ventilator of claim 3 wherein the drive structure comprises a plurality of electric push rods, the plurality of electric push rods being arranged in correspondence to the number of first water guns, each of the electric push rods being fixedly mounted on the arcuate plate, each of the push rods of the electric push rods being fixedly secured to a corresponding one of the first water guns.
5. The fire smoke exhaust ventilator of claim 1, wherein the arc plate is provided with a plurality of mounting holes on the second end face, each second water spraying gun is arranged in the corresponding mounting hole, one side of each second water spraying gun is provided with a dismounting structure, and each second water spraying gun is detachably connected with the arc plate through the dismounting structure.
6. The fire smoke evacuation fan of claim 5, wherein each of said mounting and dismounting structures comprises:
the blocking cover is arranged at the opening of the corresponding mounting hole, and is provided with a through hole for the head of the corresponding second water spraying gun to extend out; the method comprises the steps of,
the screw thread section of thick bamboo, the one end of screw thread section of thick bamboo with the fender lid is close to one side of arc is fixed, the screw thread has been seted up to the outer periphery of screw thread section of thick bamboo, the arc is followed the axis direction is in the position of corresponding the screw thread section of thick bamboo has seted up the screw thread groove, the screw thread section of thick bamboo with arc threaded connection.
7. The fire smoke exhaust fan as recited in claim 1, wherein a first passage and a second passage are provided in the arc plate, a plurality of the first water guns are communicated with the first passage, a plurality of the second water guns are communicated with the second passage, a water inlet device is provided on the inner side of the fixing frame, the water inlet device is communicated with the first passage when the arc plate is located at the first limiting position, and is communicated with the second passage when the arc plate is located at the second limiting position.
8. The fire smoke evacuation fan of claim 7, wherein said water inlet means comprises:
the connecting block is fixed on the fixed frame, and a water inlet passage is formed in the inner side of the connecting block; the method comprises the steps of,
the rotary joint is rotationally connected with the connecting block and is fixed with the arc-shaped plate, a third passage and a fourth passage are formed in the rotary joint, the third passage is communicated with the first passage, and the fourth passage is communicated with the second passage;
when the arc plate rotates to the first limiting position, the third passage is communicated with the water inlet passage, and when the arc plate rotates to the second limiting position, the fourth passage is communicated with the water inlet passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111229761.0A CN114033728B (en) | 2021-10-21 | 2021-10-21 | Fire control smoke exhaust fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111229761.0A CN114033728B (en) | 2021-10-21 | 2021-10-21 | Fire control smoke exhaust fan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114033728A CN114033728A (en) | 2022-02-11 |
| CN114033728B true CN114033728B (en) | 2024-03-15 |
Family
ID=80135101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111229761.0A Active CN114033728B (en) | 2021-10-21 | 2021-10-21 | Fire control smoke exhaust fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114033728B (en) |
Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1127604A (en) * | 1964-10-19 | 1968-09-18 | Kenlowe Accessories And Compan | Improved variable-pitch cooling fan |
| US4589535A (en) * | 1984-09-17 | 1986-05-20 | Allied Corporation | Fan clutch with replaceable plate carrier member |
| CN205154720U (en) * | 2015-11-27 | 2016-04-13 | 仨亿电器有限公司 | Fire control is with axial fan that discharges fume |
| CN106402966A (en) * | 2016-08-31 | 2017-02-15 | 杭州老板电器股份有限公司 | Dual-purpose oil removing device for residence public flue |
| CN206608967U (en) * | 2016-08-24 | 2017-11-03 | 南安市恒南消防器材有限公司 | A kind of automatic turning fire control smoke exhausting cap |
| KR101841953B1 (en) * | 2017-03-31 | 2018-03-26 | 탑에어주식회사 | Air blower having bypass function and heat exchanger having the same |
| CN108079474A (en) * | 2018-01-11 | 2018-05-29 | 苏州瑞奇安机电科技有限公司 | Smoke evacuation fire-fighting equipment and smoke evacuation fire-fighting robot |
| CN108223408A (en) * | 2017-12-29 | 2018-06-29 | 广东美的厨房电器制造有限公司 | Removable smoke machine |
| CN207568884U (en) * | 2017-10-18 | 2018-07-03 | 杨雅娟 | The low noise sash of dress centrifugal blower |
| CN108291728A (en) * | 2015-12-02 | 2018-07-17 | 豪威株式会社 | Air purifier |
| CN109083850A (en) * | 2018-08-13 | 2018-12-25 | 杜敏荣 | A kind of firefighting fan of sprayable water mist |
| WO2019070158A1 (en) * | 2017-10-05 | 2019-04-11 | Акционерное общество "Объединенная двигателестроительная корпорация" (АО "ОДК") | Locking device for the rotor blades of a gas turbine engine compressor |
| CN209687746U (en) * | 2019-04-13 | 2019-11-26 | 温州易普风通风设备有限公司 | A kind of smoke exhaust fan |
| CN212055178U (en) * | 2019-10-21 | 2020-12-01 | 佛山市南方风机设备有限公司 | Fire-fighting smoke exhaust fan |
| CN212202518U (en) * | 2020-05-20 | 2020-12-22 | 江西赣鼎消防设备有限公司 | High temperature resistant centrifugal fire control smoke exhaust fan |
| CN212508890U (en) * | 2020-06-23 | 2021-02-09 | 泉州市驭盛通风空调装备有限公司 | Fire control high temperature axial fan that discharges fume |
| CN213298320U (en) * | 2020-08-25 | 2021-05-28 | 福建凯威消防通风设备有限公司 | Axial-flow smoke exhaust fan for fire fighting |
| CN213478724U (en) * | 2020-09-04 | 2021-06-18 | 山东省产品质量检验研究院 | Portable fire control smoke exhaust fan of angularly adjustable |
| CN213775744U (en) * | 2020-11-13 | 2021-07-23 | 江苏中大空调设备有限公司 | Fire control smoke exhaust fan convenient to installation |
-
2021
- 2021-10-21 CN CN202111229761.0A patent/CN114033728B/en active Active
Patent Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1127604A (en) * | 1964-10-19 | 1968-09-18 | Kenlowe Accessories And Compan | Improved variable-pitch cooling fan |
| US4589535A (en) * | 1984-09-17 | 1986-05-20 | Allied Corporation | Fan clutch with replaceable plate carrier member |
| CN205154720U (en) * | 2015-11-27 | 2016-04-13 | 仨亿电器有限公司 | Fire control is with axial fan that discharges fume |
| CN108291728A (en) * | 2015-12-02 | 2018-07-17 | 豪威株式会社 | Air purifier |
| CN206608967U (en) * | 2016-08-24 | 2017-11-03 | 南安市恒南消防器材有限公司 | A kind of automatic turning fire control smoke exhausting cap |
| CN106402966A (en) * | 2016-08-31 | 2017-02-15 | 杭州老板电器股份有限公司 | Dual-purpose oil removing device for residence public flue |
| KR101841953B1 (en) * | 2017-03-31 | 2018-03-26 | 탑에어주식회사 | Air blower having bypass function and heat exchanger having the same |
| WO2019070158A1 (en) * | 2017-10-05 | 2019-04-11 | Акционерное общество "Объединенная двигателестроительная корпорация" (АО "ОДК") | Locking device for the rotor blades of a gas turbine engine compressor |
| CN207568884U (en) * | 2017-10-18 | 2018-07-03 | 杨雅娟 | The low noise sash of dress centrifugal blower |
| CN108223408A (en) * | 2017-12-29 | 2018-06-29 | 广东美的厨房电器制造有限公司 | Removable smoke machine |
| CN108079474A (en) * | 2018-01-11 | 2018-05-29 | 苏州瑞奇安机电科技有限公司 | Smoke evacuation fire-fighting equipment and smoke evacuation fire-fighting robot |
| CN109083850A (en) * | 2018-08-13 | 2018-12-25 | 杜敏荣 | A kind of firefighting fan of sprayable water mist |
| CN209687746U (en) * | 2019-04-13 | 2019-11-26 | 温州易普风通风设备有限公司 | A kind of smoke exhaust fan |
| CN212055178U (en) * | 2019-10-21 | 2020-12-01 | 佛山市南方风机设备有限公司 | Fire-fighting smoke exhaust fan |
| CN212202518U (en) * | 2020-05-20 | 2020-12-22 | 江西赣鼎消防设备有限公司 | High temperature resistant centrifugal fire control smoke exhaust fan |
| CN212508890U (en) * | 2020-06-23 | 2021-02-09 | 泉州市驭盛通风空调装备有限公司 | Fire control high temperature axial fan that discharges fume |
| CN213298320U (en) * | 2020-08-25 | 2021-05-28 | 福建凯威消防通风设备有限公司 | Axial-flow smoke exhaust fan for fire fighting |
| CN213478724U (en) * | 2020-09-04 | 2021-06-18 | 山东省产品质量检验研究院 | Portable fire control smoke exhaust fan of angularly adjustable |
| CN213775744U (en) * | 2020-11-13 | 2021-07-23 | 江苏中大空调设备有限公司 | Fire control smoke exhaust fan convenient to installation |
Non-Patent Citations (1)
| Title |
|---|
| 消防排烟风机综合性能测试平台设计分析;谷远辉;;科技风(第06期);56 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114033728A (en) | 2022-02-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6211002B2 (en) | Venturi smoke removal sprinkler and smoke and toxic gas removal device | |
| JP3341892B2 (en) | Firefighting equipment | |
| CN114033728B (en) | Fire control smoke exhaust fan | |
| CN108079474A (en) | Smoke evacuation fire-fighting equipment and smoke evacuation fire-fighting robot | |
| KR101700142B1 (en) | Fires prevention apparatus | |
| CN210355776U (en) | Smoke exhaust preventing device for chemical production | |
| CN215062747U (en) | Intelligent transformer temperature monitoring system | |
| CN109045529A (en) | Laboratory fire-fighting robot | |
| KR102073356B1 (en) | Fire emergency evacuation safety system with air supply and air suction adjustment | |
| CN215309921U (en) | Novel smoke discharging water gun | |
| WO2016144211A1 (en) | Concealed extendable nozzle for gaseous fire suppression systems (variants) | |
| KR100717772B1 (en) | Impulse ventilation system for vacating smoke or poison gas | |
| CN104740807A (en) | Nitrogen fire-extinguishing system | |
| CN211343401U (en) | Smoke exhaust device for fire fighting | |
| KR20190053592A (en) | Fire Emergency Evacuation Safety System | |
| CN115382141B (en) | Telescopic high-pressure fine water mist spray head | |
| CN214997232U (en) | Thermal-insulated curtain door and window with fire prevention smoke evacuation performance | |
| KR102349323B1 (en) | Fire fighting equipment for emergency evacuation | |
| CN218739997U (en) | Fire-fighting rotational flow water mist nozzle | |
| CN108612659A (en) | It is a kind of using water as the driving device of the medium energy | |
| CN218599314U (en) | Fire control supervisory equipment with smog detects function | |
| CN219343384U (en) | Fire hydrant | |
| CN116350987A (en) | Smoke monitoring fireproof device | |
| CN216426436U (en) | High-rise firefighter elevator capable of being rescued quickly | |
| KR101718152B1 (en) | Fire sensing exhaust system |
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 |