CN209569860U - A kind of fire-fighting smoke exhaust system - Google Patents
A kind of fire-fighting smoke exhaust system Download PDFInfo
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- CN209569860U CN209569860U CN201920142583.XU CN201920142583U CN209569860U CN 209569860 U CN209569860 U CN 209569860U CN 201920142583 U CN201920142583 U CN 201920142583U CN 209569860 U CN209569860 U CN 209569860U
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- smoke
- locating piece
- fire
- smoke exhaust
- convex edge
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Abstract
The utility model relates to fire engineering technical fields, more specifically, it is related to a kind of fire-fighting smoke exhaust system, including smoke sensor device, smoke exhaust pipe, controller and for indoor dense smoke to be extracted into outdoor exhaust fan, the smoke sensor device is equipped with multiple and is located at indoor different location, smoke outlet and air outlet are offered positioned at indoor wall, the air outlet is located at the lower section of the smoke outlet, the smoke outlet is connected with one end of the smoke exhaust pipe, and the other end of the smoke exhaust pipe extends to outdoor, the exhaust fan is set in the smoke exhaust pipe, the controller is electrically connected with the smoke sensor device, the exhaust fan is electrically connected with the controller.The utility model has the beneficial effects that dense smoke can be extracted into outdoor automatically when fire, realizing can divulge information at fire-fighting stairway, provide more escape times for escape crowd.
Description
Technical field
The utility model relates to fire engineering technical fields, more specifically, it relates to a kind of fire-fighting smoke exhaust system.
Background technique
With being becoming tight the day of land resource, people gradually move in high buildings and large mansions inhabitation, and a high building is often lived
Tens of or even upper one hundred houses residents.In face of this gregarious phenomenon, that loses brought by fire is also increasing, and fire occurs for a family
Calamity often influences the person and property safety of an entire building resident.
When fire occurs, people escape generally from stair, how to lead in the first time that fire occurs in escape
It is also critically important to build good environment for personnel escape for ventilation smoke exhaust in road.Show that flue gas is in building fire according to fire data
The arch-criminal for leading to personnel death, in the personnel that fire is died, majority is all that the smoked generation asphyxia reaction of choking of dense smoke causes extremely
It dies, therefore takes smoke evacuation measure in Initial Stage of Fire, can reduce and choke the ratio of death by suffocation because melting sootiness, reduce the death of fire
Rate.
All it is the window for needing artificially to go to open fire-fighting stairway when fire occurs at present, allows and lead at fire-fighting stairway
Wind is conducive to people's emergency escape.However, when fire incident occurs, people generally all can emergency escape, and artificially go to beat
Opening a window is a very difficult thing.
Utility model content
In view of the above shortcomings of the prior art, the purpose of the utility model is to provide a kind of fire-fighting smoke exhaust system, when fire,
Dense smoke can be extracted into outdoor automatically, realizing can divulge information at fire-fighting stairway, provide more escape times for escape crowd.
The above-mentioned technical purpose of the utility model has the technical scheme that a kind of fire control smoke exhausting system
System, including smoke sensor device, smoke exhaust pipe, controller and for indoor dense smoke to be extracted into outdoor exhaust fan, the smog
Sensor is equipped with multiple and is located at indoor different location, offers smoke outlet and air outlet positioned at indoor wall,
The air outlet is located at the lower section of the smoke outlet, and the smoke outlet is connected with one end of the smoke exhaust pipe, and the smoke evacuation
The other end of pipe extends to outdoor, and the exhaust fan is set in the smoke exhaust pipe, the controller and smoke sensor device electricity
Connection, the exhaust fan are electrically connected with the controller.
By using above-mentioned technical proposal, when fire occurs, when dense smoke enters fire-fighting stairway, smoke sensor device is detected
Send a signal to controller after dense smoke, controller controls exhaust fan to being evacuated in stair cup, and then dense smoke is extracted into room
Outer fresh air enters to stair cup from air outlet, and smoke sensor device, smoke outlet and exhaust fan are equipped with, when fire is sent out
When raw, dense smoke is extracted into outdoor automatically by exhaust fan, prevents dense smoke full of stair cup, and air outlet is arranged so that can at fire-fighting stairway
With ventilation, for escape, crowd provides fresh air, provides more escape times for escape crowd.
Preferably, the smoke outlet is removably connected with dirt filtrating screen away from the side of the smoke exhaust pipe.
By using above-mentioned technical proposal, dirt filtrating screen is arranged so that the substances such as dust in dense smoke cannot be introduced into smoke exhaust pipe
In, after preventing smoke exhaust pipe long-time use, the smoke exhaust duct section between exhaust fan and smoke outlet is easy accumulation dust, influences to discharge fume
Pipe smoke evacuation.
Preferably, the circumferential direction of the dust filtration net is provided with installation convex edge, and the installation convex edge is annular in shape, the smoke outlet
Place is correspondingly arranged on the mounting ring for installing the installation convex edge, is arranged between the mounting ring and the installation convex edge useful
In the fastening assembly that the installation convex edge is fixed on to the mounting ring.
By using above-mentioned technical proposal, convex edge is installed by fastening assembly and is fixed on mounting ring, when needing replacing dust filtering
When net, staff releases fastening assembly to the fixed function of installation convex edge, replaces dirt filtrating screen convenient for staff.
Preferably, the fastening assembly includes the location hole set on the installation convex edge side wall and the location hole grafting
The slippage slot of the locating piece of cooperation and the side wall set on the mounting ring, the locating piece sliding are connected in slippage slot, and
The locating piece is extended in the slippage slot；The side wall of the locating piece is provided with for pushing pushing away for the locating piece sliding
Block, the side wall that the cell wall of the slippage slot is through to the mounting ring are provided with port, the length direction of the port with it is described
The glide direction of locating piece is identical, and the pushing block is located in the port and extends to outside the port, and the shifting block can edge
The port sliding.
By using above-mentioned technical proposal, before installing dirt filtrating screen, staff pushes pushing block, so that pushing block drives locating piece
It is retracted slippage slot, when staff is by the slippage slot of location hole alignment mounting ring for installing convex edge, staff pushes pushing block,
So that locating piece is stretched out from slippage slot and is inserted into location hole, and then realizes and mounting ring is fixed in installation convex edge.
Preferably, spring is provided between the slippage slot and the locating piece, one end of the spring is fixed at institute
State the cell wall of slippage slot, the other end of the spring is fixedly arranged on the locating piece, when the spring in the raw, and it is described
When installation convex edge is installed on the mounting ring, the locating piece and the location hole are mating.
By using above-mentioned technical proposal, when spring in the raw when, locating piece is mating with location hole, spring
It is provided with the grafting intensity being conducive between enhancing locating piece and location hole.
Preferably, the locating piece is equipped with inclined surface and abutment plane, the locating piece far from the end of the spring
Inclined surface be inserted into the direction of the mounting ring towards the installation convex edge, the abutment plane of the locating piece deviates from the installation
The direction of convex edge insertion mounting ring.
By using above-mentioned technical proposal, when staff will install convex edge and dirt filtrating screen insertion mounting ring, installation
The inclined surface of the sidewall extrusion locating piece of convex edge, so that direction retraction of the locating piece in slippage slot, at this time spring-compressed；Work as peace
After dress convex edge and mounting ring are mating, the location hole alignment slippage slot of convex edge is installed, the side wall for installing convex edge, which no longer squeezes, to be determined
The inclined surface of position block, spring restores rapidly nature and generates the thrust towards location hole direction to locating piece at this time, so that
Locating piece is mating with location hole；When staff is by dirt filtrating screen and installation convex edge insertion mounting ring, the inclination of locating piece
Face setting saves staff and pushes pushing block so that the step of locating piece is retracted slippage slot, further increases installation dust filtering
The convenience of net.
Preferably, the dust filtration net is stainless (steel) wire.
By using above-mentioned technical proposal, dirt filtrating screen is stainless (steel) wire, prevents substance in dense smoke or gas to dirt filtrating screen
It causes to corrode, damage.
Preferably, covering is provided with above the opening that the smoke exhaust pipe is located outside.
By using above-mentioned technical proposal, covering setting prevents rainwater from entering the room by smoke exhaust pipe.
In conclusion the utility model has the following beneficial effects:
1, when fire occurs, dense smoke is extracted into outdoor automatically by exhaust fan, is prevented dense smoke full of stair cup, is realized fire-fighting building
Terraced place can divulge information, and provide more escape times for escape crowd；
2, dirt filtrating screen is arranged so that the substances such as dust in dense smoke cannot be introduced into smoke exhaust pipe, prevents smoke exhaust pipe from making for a long time
With rear, between exhaust fan and smoke outlet the easy accumulation dust of smoke exhaust duct section, smoke exhaust pipe smoke evacuation is influenced；
3, covering setting prevents rainwater from entering the room by smoke exhaust pipe.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of fire-fighting smoke exhaust system in the utility model embodiment；
Fig. 2 is the partial structure sectional view of stair cup and smoke exhaust pipe in the utility model embodiment；
Fig. 3 is the assembly relation schematic diagram of mounting ring and installation convex edge in the utility model embodiment.
Appended drawing reference: 1, stair cup；2, smoke sensor device；3, smoke exhaust pipe；4, exhaust fan；51, smoke outlet；52, it blows
Mouthful；6, dirt filtrating screen；7, mounting ring；8, convex edge is installed；9, location hole；10, locating piece；11, slippage slot；12, port；13, pushing block；
14, it covers.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
A kind of fire-fighting smoke exhaust system, referring to Fig. 1 and Fig. 2, fire-fighting smoke exhaust system include smoke sensor device 2, smoke exhaust pipe 3, control
Device (not shown) processed and for indoor dense smoke to be extracted into outdoor exhaust fan 4.Mainly to be installed in the present embodiment
It is illustrated for the fire-fighting smoke exhaust system of fire-fighting stairway.Smoke sensor device 2 is equipped with multiple and is located at indoor different positions
It sets, smoke sensor device 2 can real-time detection indoor smog concentration levels.Smoke outlet 51 and air-supply are offered positioned at indoor wall
Mouth 52, air outlet 52 is in communication with the outside with smoke outlet 51.Air outlet 52 is located at the top of smoke outlet 51, and air outlet 52 and row
The distance between mouth 51 is at least separated by three meters.So that indoor dense smoke is discharged from smoke outlet 51, fresh air or less doping
The air of smog can be entered in stair cup 1 by air outlet 52, in order to which escape personnel provides fresh air breathing.Smoke evacuation
Mouth 51 is connected with one end of smoke exhaust pipe 3, and the other end of smoke exhaust pipe 3 extends to outdoor, and exhaust fan 4 is set in smoke exhaust pipe 3, control
Device processed is electrically connected with smoke sensor device 2, and exhaust fan 4 is electrically connected with the controller.When smoke sensor device 2 detects indoor smog concentration
After situation, signal is sent to controller, so that controller control exhaust fan 4 starts, indoor dense smoke is extracted out, and then in fire
When, dense smoke is discharged without artificially opeing the window, strives for more escape times for escape crowd；When smoke sensor device 2 detects
When less than smog, smoke sensor device 2 sends signal to controller, and controller controls exhaust fan 4 and closes.
Referring to figs. 2 and 3, dirt filtrating screen 6 is removably connected at smoke outlet 51, and the dirt filtrating screen 6 is carried on the back set on smoke outlet 51
Side from smoke exhaust pipe 3.Dirt filtrating screen 6 is in round pie, and dirt filtrating screen 6 is stainless (steel) wire.The ash so that in dense smoke is arranged in dirt filtrating screen 6
The substances such as dirt cannot be introduced into smoke exhaust pipe 3, after preventing 3 long-time use of smoke exhaust pipe, that section between exhaust fan 4 and smoke outlet 51
Smoke exhaust pipe 3 is easy accumulation dust, influences the smoke evacuation of smoke exhaust pipe 3.The circumferential direction of dirt filtrating screen 6 is provided with installation convex edge 8, and installation convex edge 8 is in
Annular shape, mounting ring 7 is correspondingly arranged at smoke outlet 51, and installation convex edge 8 is installed on mounting ring 7.
Referring to figs. 2 and 3, it is provided between mounting ring 7 and installation convex edge 8 and is fixed on mounting ring 7 for convex edge 8 will to be installed
Fastening assembly.Specifically, fastening assembly includes mating set on the location hole 9 and location hole 9 for installing 8 side wall of convex edge
The slippage slot 11 of locating piece 10 and the side wall set on mounting ring 7, the sliding of locating piece 10 is connected in slippage slot 11, and locating piece
10 is extended in slippage slot 11.The side wall of locating piece 10 is fixedly installed the pushing block 13 for pushing locating piece 10 to slide.Sliding
The side wall that the cell wall of slot 11 is through to mounting ring 7 is provided with port 12, and port 12 is connected with slippage slot 11.The length of port 12
Direction is identical as the glide direction of locating piece 10, and pushing block 13 is located in port 12 and extends to outside port 12, and shifting block can be along logical
Mouth 12 slides.Spring (not shown) is provided between slippage slot 11 and locating piece 10, one end of spring is fixed at sliding
The cell wall of slot 11, the other end of spring are fixedly arranged on locating piece 10, when spring in the raw, and install convex edge 8 be installed on
When filling ring 7, locating piece 10 and location hole 9 are mating.Locating piece 10 is equipped with inclined surface far from the end of spring and abuts flat
Face, the inclined surface of locating piece 10 are inserted into the direction of mounting ring 7 towards installation convex edge 8, and the abutment plane of locating piece 10 is away from installation
The direction of the insertion of convex edge 8 mounting ring 7.
When staff will install convex edge 8 and dirt filtrating screen 6 is inserted into mounting ring 7, the sidewall extrusion positioning of installation convex edge 8
The inclined surface of block 10, so that direction retraction of the locating piece 10 in slippage slot 11, at this time spring-compressed；When installation convex edge 8 and peace
After dress ring 7 is mating, the location hole 9 of installation convex edge 8 is directed at slippage slot 11, and the side wall of installation convex edge 8 no longer squeezes locating piece
10 inclined surface, spring restores rapidly nature and generates the thrust towards 9 direction of location hole to locating piece 10 at this time, so that
Locating piece 10 and location hole 9 are mating, and the abutment plane of locating piece 10 pushes against the hole wall of location hole 9 at this time, so that installation is convex
Mounting ring 7 can not be detached from along 8.
As shown in Figure 1, being provided with covering 14 above the opening that smoke exhaust pipe 3 is located outside, covering 14 is opened with smoke exhaust pipe 3
The space being discharged for dense smoke is equipped between mouthful.14 settings are covered, prevent rainwater from entering in stair cup 1 by smoke exhaust pipe 3.
Specific work process:
When usually needing to clean dirt filtrating screen 6, staff can first push pushing block 13, determine so that pushing block 13 drives
Position block 10 be retracted slippage slot 11 in until locating piece 10 be detached from location hole 9, when staff complete cleaning dirt filtrating screen 6 after, can will
The installation convex edge 8 of dirt filtrating screen 6 is aligned and is inserted into mounting ring 7；During installation convex edge 8 enters mounting ring 7, convex edge 8 is installed
Sidewall extrusion locating piece 10 inclined surface so that locating piece 10 be retracted slippage slot 11, when installation convex edge 8 location hole 9 be aligned
When the slippage slot 11 of mounting ring 7, installation convex edge 8 no longer contacts at locating piece 10, and spring restores rapidly nature and will at this time
Locating piece 10 generates the thrust towards location hole 9, so that locating piece 10 and location hole 9 are mating, dirt filtrating screen 6 is installed at this time
At the mounting ring 7 of smoke outlet 51.
When fire occurs, when dense smoke enters fire-fighting stairway, smoke sensor device 2 is sent a signal at once after detecting dense smoke
Controller, so that controller control exhaust fan 4 starts, so that exhaust fan 4 guides the dense smoke in stair cup 1 to outdoor, newly
Fresh air enters to stair cup 1 from air inlet, and for escape, crowd strives for escape time.
Above-described embodiment is only the explanation to the utility model, is not limitations of the present invention, this field
Technical staff can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but only
It will be in the scope of the claims of the utility model all by the protection of Patent Law.
Claims (8)
1. a kind of fire-fighting smoke exhaust system, it is characterized in that: including smoke sensor device (2), smoke exhaust pipe (3), controller and being used to incite somebody to action
Indoor dense smoke is extracted into outdoor exhaust fan (4), and the smoke sensor device (2) is equipped with multiple and is located at indoor different positions
It sets, offers smoke outlet (51) and air outlet (52) positioned at indoor wall, the air outlet (52) is located at the smoke outlet
(51) lower section, the smoke outlet (51) is connected with one end of the smoke exhaust pipe (3), and the other end of the smoke exhaust pipe (3)
Outdoor is extended to, the exhaust fan (4) is set in the smoke exhaust pipe (3), and the controller is electrically connected with the smoke sensor device (2)
It connects, the exhaust fan (4) is electrically connected with the controller.
2. a kind of fire-fighting smoke exhaust system according to claim 1, it is characterized in that: the smoke outlet (51) deviates from the smoke evacuation
The side of pipe (3) is removably connected with dirt filtrating screen (6).
3. a kind of fire-fighting smoke exhaust system according to claim 2, it is characterized in that: the circumferential direction of the dust filtration net (6) is provided with
It installs convex edge (8), the installation convex edge (8) is annular in shape, is correspondingly arranged at the smoke outlet (51) for installing the peace
The mounting ring (7) for filling convex edge (8) is provided with for the installation is convex between the mounting ring (7) and the installation convex edge (8)
The fastening assembly of the mounting ring (7) is fixed on along (8).
4. a kind of fire-fighting smoke exhaust system according to claim 3, it is characterized in that: the fastening assembly includes being set to the peace
Fill the location hole (9) of convex edge (8) side wall, with the location hole (9) mating locating piece (10) and set on the installation
The slippage slot (11) of the side wall of ring (7), locating piece (10) sliding is connected in slippage slot (11), and the locating piece (10)
It is extended in the slippage slot (11)；The side wall of the locating piece (10) is provided with for pushing the locating piece (10) to slide
Pushing block (13), the side wall that the cell wall of the slippage slot (11) is through to the mounting ring (7) are provided with port (12), the port
(12) length direction is identical as the glide direction of the locating piece (10), and the pushing block (13) is located in the port (12) simultaneously
Extend to the port (12) outside, and the pushing block (13) can slide along the port (12).
5. a kind of fire-fighting smoke exhaust system according to claim 4, it is characterized in that: the slippage slot (11) and the locating piece
(10) be provided with spring between, one end of the spring is fixed at the cell wall of the slippage slot (11), the spring it is another
End is fixedly arranged on the locating piece (10), when the spring in the raw, and the installation convex edge (8) is installed on the installation
When ring (7), the locating piece (10) and the location hole (9) are mating.
6. a kind of fire-fighting smoke exhaust system according to claim 5, it is characterized in that: the locating piece (10) is far from the spring
End be equipped with inclined surface and abutment plane, the inclined surface of the locating piece (10) is towards the installation convex edge (8) insertion institute
The direction of mounting ring (7) is stated, the abutment plane of the locating piece (10) is away from installation convex edge (8) insertion mounting ring (7)
Direction.
7. a kind of fire-fighting smoke exhaust system according to claim 2, it is characterized in that: the dust filtration net (6) is stainless (steel) wire.
8. a kind of fire-fighting smoke exhaust system according to claim 1, it is characterized in that: opening of being located outside of the smoke exhaust pipe (3)
The top of mouth is provided with covering (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920142583.XU CN209569860U (en) | 2019-01-25 | 2019-01-25 | A kind of fire-fighting smoke exhaust system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920142583.XU CN209569860U (en) | 2019-01-25 | 2019-01-25 | A kind of fire-fighting smoke exhaust system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209569860U true CN209569860U (en) | 2019-11-01 |
Family
ID=68333352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920142583.XU Expired - Fee Related CN209569860U (en) | 2019-01-25 | 2019-01-25 | A kind of fire-fighting smoke exhaust system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209569860U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111236556A (en) * | 2020-02-28 | 2020-06-05 | 苏州安省建筑设计有限公司 | Smoke-removing fire-fighting staircase control system and method |
| CN114333579A (en) * | 2021-12-20 | 2022-04-12 | 湛江市珠江电力设备安装有限公司 | Emergent sparse guide device of power engineering with smoke abatement function |
-
2019
- 2019-01-25 CN CN201920142583.XU patent/CN209569860U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111236556A (en) * | 2020-02-28 | 2020-06-05 | 苏州安省建筑设计有限公司 | Smoke-removing fire-fighting staircase control system and method |
| CN114333579A (en) * | 2021-12-20 | 2022-04-12 | 湛江市珠江电力设备安装有限公司 | Emergent sparse guide device of power engineering with smoke abatement function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191101 Termination date: 20220125 |