CN109758694B - Building fire extinguishing system with ventilation function - Google Patents
Building fire extinguishing system with ventilation function Download PDFInfo
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- CN109758694B CN109758694B CN201910159842.4A CN201910159842A CN109758694B CN 109758694 B CN109758694 B CN 109758694B CN 201910159842 A CN201910159842 A CN 201910159842A CN 109758694 B CN109758694 B CN 109758694B
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- 238000009423 ventilation Methods 0.000 title claims abstract description 131
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 52
- 230000006835 compression Effects 0.000 claims description 15
- 238000007906 compression Methods 0.000 claims description 15
- 230000007246 mechanism Effects 0.000 claims description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 239000000428 dust Substances 0.000 description 10
- 230000000694 effects Effects 0.000 description 9
- 238000012423 maintenance Methods 0.000 description 5
- 238000009825 accumulation Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 230000008021 deposition Effects 0.000 description 3
- 238000005034 decoration Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 239000008399 tap water Substances 0.000 description 2
- 235000020679 tap water Nutrition 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003631 expected effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000002445 nipple Anatomy 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention provides a building fire-fighting system with a ventilation function, and belongs to the technical field of buildings. The fire-fighting system comprises an air pump, a ventilation main pipe, a water pump, a ventilation main pipe, a plurality of ventilation manifolds and a plurality of ventilation manifolds which are in one-to-one correspondence with the ventilation manifolds, wherein each ventilation manifold is connected in parallel with the ventilation main pipe, and the ventilation main pipe is connected with the air pump; each water-through manifold is connected in parallel with a water-through main pipe, and the water-through main pipe is connected with a water pump; the fire-fighting system also comprises a plurality of functional tanks which are in one-to-one correspondence with the ventilation manifolds, wherein each functional tank comprises a tank body and connecting pipes communicated with the inner cavity of the tank body, and a plurality of through holes are formed in the wall surface of the tank body; each ventilation manifold, a water ventilation manifold corresponding to the ventilation manifold and a connecting pipe on a functional pipe corresponding to the ventilation manifold are connected in parallel; each ventilation manifold and each water-through manifold are provided with a control valve; the tail end of the ventilation main pipe is communicated with the atmosphere, and the tail end of the water ventilation main pipe is connected with a water source. The invention has the advantages of cost reduction and the like.
Description
Technical Field
The invention belongs to the technical field of buildings, and relates to a building fire-fighting system with a ventilation function.
Background
In the prior art, the fire-fighting pipeline and the ventilation pipeline of the building are arranged and independently controlled, although the fire-fighting system is important, the use frequency of the fire-fighting system is very low, the idle time is very long, in many cases, the fire-fighting system is only periodically overhauled, the expected effect can be hardly achieved when the fire-fighting system needs to be used, and the fire-fighting system is also an important hidden danger of fire safety.
The ventilation system is a system commonly used in the use process of a building, is mainly responsible for ventilation, temperature adjustment and the like in a closed space, and has the troublesome problem that dust is blocked and difficult to clean, but because the ventilation system affects the living and normal use of a house, and has high use frequency, the maintenance and the frequent maintenance are frequently focused, faults can be timely maintained, and if the system can be used as a fire protection system, the cost of the matched system of the building can be greatly reduced, the fire protection safety can be improved, and the maintenance cost is reduced.
Disclosure of Invention
The present invention is directed to solving the above-mentioned problems of the prior art, and provides a fire-fighting system for building with ventilation function, which is to reduce the cost of ventilation system and fire-fighting system for building.
The aim of the invention can be achieved by the following technical scheme: the building fire-fighting system with the ventilation function is characterized by comprising an air pump, a ventilation main pipe, a water pump, a water ventilation main pipe, a plurality of ventilation manifolds and a plurality of water ventilation manifolds which are in one-to-one correspondence with the ventilation manifolds, wherein each ventilation manifold is connected in parallel with the ventilation main pipe, and the ventilation main pipe is connected with the air pump; each water-through manifold is connected in parallel to a water-through main pipe, and the water-through main pipe is connected with a water pump;
the fire-fighting system also comprises a plurality of functional tanks which are in one-to-one correspondence with the ventilation manifolds, wherein each functional tank comprises a tank body and connecting pipes which are communicated with the inner cavity of the tank body, and the wall surface of the tank body is provided with a plurality of through holes; the ventilation manifolds, the water ventilation manifolds corresponding to the ventilation manifolds and the connecting pipes on the functional pipes corresponding to the ventilation manifolds are connected in parallel;
each of the ventilation manifold and the water ventilation manifold is provided with a control valve; the tail end of the ventilation main pipe is communicated with the atmosphere, and the tail end of the water ventilation main pipe is connected with a water source.
Normal ventilation state: the air pump is used for pumping air, so that each functional tank located in different areas can pump air in the area to the ventilation main pipe, and the ventilation path is as follows: through holes, functional tanks, ventilation manifolds and ventilation main pipes, and then release the ventilation main pipes to the atmosphere, at the moment, control valves on all the ventilation manifolds are closed, wherein the control valves can be common switch valves or multifunctional valves with pressure maintaining functions and flow limiting functions, and the multifunctional valves with the pressure maintaining functions can ensure that negative pressure in all the ventilation manifolds is kept consistent.
Water spraying function: the water source is tap water with certain pressure, when fire occurs in a certain area, the control valve on the ventilation manifold on the corresponding functional tank of the area is closed, the control valve on the water manifold on the corresponding functional pipe of the area is opened, and the water pump supplies water, so that water is sprayed at the through hole of the functional tank, and the fire is extinguished and the water for extinguishing the fire is provided in the area.
The functional tank not only can be used as an air inlet end for air suction and ventilation, but also can be used as an outlet end for water outlet fire control, so that the decoration cost of a building can be greatly saved.
The functional tank at the top of the building floor can replace a fire-fighting drain valve and a ventilation window, so that the top of the house is more concise and attractive.
In the building fire protection system with the ventilation function, the ventilation main pipe is provided with the first standby pipe, the water-through main pipe is provided with the second standby pipe, and the first standby pipe and the second standby pipe can be connected to enable the ventilation main pipe and the water-through main pipe to be communicated.
Because the ventilation system often needs to be used, the situation that the ventilation system is not overhauled in time after the fault is difficult to cause is avoided, the standby pipe I is connected with the standby pipe II, the ventilation main pipe is temporarily used as a water pipe, and the water pump drives water flow to enter the ventilation main pipe, the ventilation manifold and the functional tank, so that the situation that fire-fighting water cannot reach a fire-fighting area in time due to the fact that the control valves corresponding to the ventilation main pipe, the ventilation manifold and the ventilation manifold are not used for a long time and the fault caused by maintenance is avoided.
In the building fire protection system with the ventilation function, the functional tank comprises a rotary drum rotationally connected in the tank body, the lower end of the rotary drum is sealed, the upper end of the rotary drum is communicated with connecting pipes, a plurality of rotary supports are distributed on the outer wall of the rotary drum at equal intervals along the axis direction of the rotary drum, each rotary support comprises at least two branch pipes, the inner ends of the branch pipes are communicated with the rotary drum, annular guide grooves corresponding to the rotary supports one by one are formed in the inner wall of the tank body, the through holes are formed in the bottoms of the guide grooves, the outer ends of the branch pipes are rotationally connected with a roller, and the roller is in rolling connection with the corresponding guide grooves; a driving mechanism capable of driving the rotary drum to rotate by utilizing the pressure of fluid in the rotary drum is arranged between the rotary drum and the connecting pipe.
In order to solve the problem, air flows enter the branch pipes from the through holes close to the outer ends of the branch pipes, then the branch pipes enter the ventilation manifold, the driving mechanism arranged between the rotary drum and the connecting pipes can drive the rotary support to rotate, the outer ends of the branch pipes are changed in position on the tank body, the action can increase air flow pressure, the air inlet through holes can be continuously changed, the air flow is continuously switched while the air flow is increased, the blocking is avoided, and the actual air inlet caliber is random due to the fact that the positions between the openings of the outer ends of the branch pipes and the inner walls of the tank body are random, so that the air pressure of the branch pipes and the through holes for air inlet is necessarily large and small, dust with large particle sizes and adhered to the positions of the through holes and the inner walls of the branch pipes can be pumped out, and the situation that the dust at all positions is blocked is avoided can be achieved.
In the building fire protection system with the ventilation function, the driving mechanism comprises an impeller positioned in the rotary drum, and the impeller is fixed on the inner wall of the rotary drum.
The suction air flow can act on the impeller to rotate the drum, in which case noise is generated during the rotation of the drum, and the rotation is continuous, and the wear on the moving parts is also serious.
In the building fire protection system with the ventilation function, the driving mechanism comprises a mounting frame positioned in the tank body, a guide cylinder is arranged on the mounting frame, a compression rod is connected in a sliding manner in the guide cylinder, and a compression spring is arranged between the compression rod and the guide cylinder; the lower extreme of depression bar is fixed and is provided with a pressure disk, the upper end edge equipartition of rotary drum has a plurality of serrated guide plates, have a plurality of layering on the lower terminal surface of pressure disk, the guide plate has a parallel rotary drum axis dodge face and one and dodges the guide surface of personally submitting 30 inclinations, the layering can drive the rotary drum rotation when sticising the guide surface.
The pressure disk is stopped flow to the upper end opening of rotary drum, under the atmospheric pressure effect, the pressure disk shifts up, make the intercommunication between rotary drum upper end opening and the takeover, the rotary drum is rotatory, only when through-hole or branch intraductal deposition is more, the flow cross-section reduces, and then make the negative pressure in the rotary drum increase, the pressure disk is to the effort increase of hold-down spring, make the pressure disk shift up, intercommunication cross-section increase between rotary drum and the manifold that ventilates, through-hole and the deposition in the rotary drum can be taken out promptly, after recovering, the pressure disk resets, make the layering strike the guide surface on the deflector, make rotary drum rotatory certain angle, if the branch outside end is just located between the adjacent through-hole this moment, the flow cross-section is less, the pressure disk can shift up again, reselects the position of branch outside, make negative pressure in the rotary drum and hold-down spring maintain balance, so, can realize automatic dust removal barrier removal effect after deposition reaches a certain degree.
There are two compression bars, at least 12 guide plates, so that when the pressure plate is abutted against the upper part of the rotary drum, ventilation gaps still exist.
In the building fire protection system with the ventilation function, an iron ring is fixedly arranged at the upper end of the compression bar, an armature block is fixedly arranged at the top of the guide cylinder, and an electrified coil is wound on the armature block.
In order to avoid unreliable rotation of the rotary drum, the pressure plate is provided with an electromagnetic valve structure capable of enabling the pressure plate to move up and down controllably, namely, the pressure plate can be driven to move up after the power-on coil is electrified, and when fire-fighting water supply is carried out, the pressure plate can be also caused to move up, so that the water discharge is increased.
In the building fire protection system with the ventilation function, the branch pipe is in a cone shape, and the small diameter end of the branch pipe faces outwards.
The branch pipe adopts cone shape, can play fine guide effect to air current and rivers, increase drainage pressure and suction pressure, make ventilation effect and fire control drainage effect better.
In the building fire protection system with the ventilation function, four branch pipes are uniformly distributed outside the rotating support.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the fire protection system.
Fig. 2 is a schematic structural view of the functional tank.
Fig. 3 is a cross-sectional view of the functional tank.
Fig. 4 is an enlarged view of a portion a in fig. 3.
Fig. 5 is a schematic structural view of the rotating bracket.
Fig. 6 is a schematic view of the structure where the platen and the drum abut against each other.
In the figure, 11, an air pump; 12. a ventilation main pipe; 13. a water pump; 14. a water-through main pipe; 15. a ventilation manifold; 16. a water manifold; 17. a control valve; 18. a standby pipe I; 19. a standby pipe II; 2. a functional tank; 21. connecting pipe; 22. a through hole; 23. a tank body; 24. a rotating drum; 25. rotating the bracket; 26. a branch pipe; 27. a guide groove; 28. a roller; 31. a mounting frame; 32. a guide cylinder; 33. a compression bar; 34. a compression spring; 35. a pressure plate; 4. a guide piece; 41. an avoidance surface; 42. a guide surface; 5. and (5) layering.
Detailed Description
The following are specific embodiments of the present invention and the technical solutions of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1, the fire-fighting system comprises an air pump 11, a ventilation main pipe 12, a water pump 13, a water-passing main pipe 14, a plurality of ventilation manifolds 15 and a plurality of water-passing manifolds 16 which are in one-to-one correspondence with the ventilation manifolds 15, wherein each ventilation manifold 15 is connected on the ventilation main pipe 12 in parallel, and the ventilation main pipe 12 is connected with the air pump 11; each water-through manifold 16 is connected in parallel with the water-through main pipe 14, and the water-through main pipe 14 is connected with the water pump 13;
the fire-fighting system also comprises a plurality of functional tanks 2 which are in one-to-one correspondence with the ventilation manifolds 15, wherein the functional tanks 2 comprise a tank body 23 and connecting pipes 21 communicated with the inner cavity of the tank body 23, and a plurality of through holes 22 are formed in the wall surface of the tank body 23; each ventilation manifold 15, a water ventilation manifold 16 corresponding to the ventilation manifold 15 and a connecting pipe 21 on a functional pipe corresponding to the ventilation manifold 15 are connected in parallel;
a control valve 17 is arranged on each ventilation manifold and each water-through manifold; the end of the ventilation main pipe 12 is communicated with the atmosphere, and the end of the water ventilation main pipe 14 is connected with a water source.
Normal ventilation state: the air pump 11 pumps air so that each functional tank 2 positioned in different areas can pump air from the area to the ventilation main pipe 12, and the ventilation path is as follows: the through holes 22, the functional tanks 2, the ventilation manifolds 15 and the ventilation main pipe 12 are released to the atmosphere, at this time, the control valves 17 on the respective ventilation manifolds 16 are closed, and the control valves 17 may be normal on-off valves, or may be multifunctional valves having a pressure maintaining function and a flow limiting function, and the multifunctional valves having a pressure maintaining function may ensure that the negative pressure in the respective ventilation manifolds 15 is kept uniform.
Water spraying function: the water source is tap water with a certain pressure, when a fire occurs in a certain area, the control valve 17 on the ventilation manifold 15 on the corresponding functional tank 2 in the area is closed, the control valve 17 on the water ventilation manifold 16 on the corresponding functional pipe in the area is opened, the water pump 13 supplies water, and water is sprayed at the through hole 22 of the functional tank 2, so that fire can be extinguished and water for extinguishing the fire can be provided in the area.
The functional tank 2 not only can be used as an air inlet end for air suction and ventilation, but also can be used as an outlet end for water outlet fire control, so that the decoration cost of a building can be greatly saved.
The functional tank 2 at the top of the building floor can replace a fire-fighting drain valve and a ventilation window, so that the top of the house is more concise and attractive.
The ventilation main pipe 12 is provided with a standby pipe I18, the water-passing main pipe 14 is provided with a standby pipe II 19, and the standby pipe I18 and the standby pipe II 19 can be communicated with each other after being connected. Because the ventilation system is frequently used, the situation that the ventilation system is not overhauled in time after the fault is not easy to cause is avoided, the standby pipe I18 is connected with the standby pipe II 19, the ventilation main pipe 12 is temporarily used as a water-through pipeline, the water pump 13 drives water flow to enter the ventilation main pipe 12, the ventilation manifold 15 and the functional tank 2, and accordingly the situation that the fire-fighting water cannot reach a fire-fighting area in time due to the fact that the ventilation main pipe 14, the ventilation manifold 16 and the control valve 17 corresponding to the ventilation manifold 16 are not used for a long time and the fault caused by maintenance is avoided.
As shown in fig. 2, 3, 4 and 5, the functional tank 2 comprises a rotary drum 24 rotatably connected in a tank body 23, the lower end of the rotary drum 24 is sealed, the upper end of the rotary drum 24 is communicated with a connecting pipe 21, a plurality of rotary supports 25 are uniformly distributed on the outer wall of the rotary drum 24 along the axis direction of the rotary drum 24, each rotary support 25 comprises at least two branch pipes 26, the inner ends of the branch pipes 26 are communicated with the rotary drum 24, annular guide grooves 27 which are in one-to-one correspondence with the rotary supports 25 are formed in the inner wall of the tank body 23, through holes 22 are formed in the bottoms of the guide grooves 27, the outer ends of the branch pipes 26 are rotatably connected with rollers 28, and the rollers 28 are in rolling connection with the corresponding guide grooves 27; a drive mechanism is provided between the bowl 24 and the nipple 21 which is capable of driving the bowl 24 to rotate by the pressure of the fluid in the bowl 24.
In order to solve the problem that dust accumulation and blockage are caused by the long-term function tank 2 serving as an air inlet end of ventilation, through holes 22 on each transverse plane of the function tank 2 are distributed at equal intervals, air flows enter a branch pipe 26 from the through holes 22 near the outer end of the branch pipe 26, then the branch pipe 26 enters a ventilation manifold 15, a driving mechanism arranged between a rotary drum 24 and a connecting pipe 21 can drive a rotary support 25 to rotate, the position of the outer end of each branch pipe 26 on a tank body 23 is changed, the action can not only increase the air flow pressure, but also continuously change the air inlet through holes 22, so that the air flow is increased, the through holes 22 are continuously switched to avoid blockage, and the air pressure at the positions of the branch pipe 26 and the through holes 22 for air inlet is also random, so that the air pressure at the positions of the branch pipe 26 and the through holes 22 for air inlet is necessarily large, dust adhered to the positions of the through holes 22 and the inner walls of the branch pipe 26 can be pumped away, and the blockage and the like is avoided.
The drive mechanism includes an impeller located within the bowl 24, the impeller being secured to the inner wall of the bowl 24 (not shown). The suction air flow can act on the impeller to cause the drum 24 to rotate, in which case noise is generated during rotation of the drum 24, and the rotation is continuous, and wear on the moving parts is severe.
As shown in fig. 3 and 6, the driving mechanism comprises a mounting frame 31 positioned in the tank body 23, the mounting frame 31 is provided with a guide cylinder 32, a pressing rod 33 is slidably connected in the guide cylinder 32, and a pressing spring 34 is arranged between the pressing rod 33 and the guide cylinder 32; the lower end of the compression bar 33 is fixedly provided with a pressure plate 35, the upper end edge part of the rotary drum 24 is uniformly provided with a plurality of saw-tooth-shaped guide plates 4, the lower end surface of the pressure plate 35 is provided with a plurality of pressing bars 5, the guide plates 4 are provided with an avoidance surface 41 parallel to the axis of the rotary drum 24 and a guide surface 42 with an inclination angle of 30 degrees with the avoidance surface 41, and the pressing bars 5 can drive the rotary drum 24 to rotate when pressing the guide surface 42. The pressure plate 35 is used for intercepting the upper end opening of the rotary drum 24, under the action of air pressure, the pressure plate 35 moves upwards, so that the upper end opening of the rotary drum 24 is communicated with the connecting pipe 21, the rotary drum 24 does not rotate, the circulation cross section is reduced only when dust is accumulated in the through holes 22 or the branch pipes 26, the negative pressure in the rotary drum 24 is increased, the acting force of the pressure plate 35 on the compression springs 34 is increased, the pressure plate 35 moves upwards, the intercommunication cross section between the rotary drum 24 and the ventilation manifold 15 is increased, the dust accumulation in the through holes 22 and the rotary drum 24 can be rapidly pumped away, after recovery, the pressure plate 35 resets, the pressing strip 5 is enabled to impact the guide surface 42 on the guide piece 4, the rotary drum 24 rotates by a certain angle, if the outer end of the branch pipes 26 is located between the adjacent through holes 22 at the moment, the circulation cross section is smaller, the pressure plate 35 moves upwards again, the positions of the outer ends of the branch pipes 26 are reselected, the negative pressure in the rotary drum 24 and the compression springs 34 are kept balanced, and the effect of automatic dust removal and obstacle clearing can be realized after the dust accumulation reaches a certain degree.
There are two compression bars 33 and at least 12 guide plates 4, so that when the pressure plate 35 is abutted against the upper part of the rotary drum 24, ventilation gaps still exist.
An iron ring is fixedly arranged at the upper end of the compression rod 33, an armature block is fixedly arranged at the top of the guide cylinder 32, and an energizing coil (the iron ring and the armature block are not marked in the drawing) is wound on the armature block. In order to avoid unreliable rotation of the drum 24, the pressure plate 35 is provided with an electromagnetic valve structure capable of enabling the pressure plate 35 to controllably move up and down, namely, after the power-on coil is electrified, the pressure plate 35 can be driven to move up, and when fire-fighting water supply is carried out, the pressure plate 35 can be also driven to move up, so that the water discharge is increased.
The branch pipe 26 is cone-shaped, and the small diameter end of the branch pipe 26 faces outwards. The branch pipe 26 adopts cone shape, can play fine guide effect to air current and rivers, increase drainage pressure and suction pressure, make ventilation effect and fire control drainage effect better. Four branch pipes 26 are uniformly distributed outside the rotating bracket 25.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (1)
1. The building fire-fighting system with the ventilation function is characterized by comprising an air pump (11), a ventilation main pipe (12), a water pump (13), a water-through main pipe (14), a plurality of ventilation manifolds (15) and a plurality of water-through manifolds (16) which are in one-to-one correspondence with the ventilation manifolds (15), wherein each ventilation manifold (15) is connected in parallel to the ventilation main pipe (12), and the ventilation main pipe (12) is connected with the air pump (11); each water-through manifold (16) is connected in parallel with a water-through main pipe (14), and the water-through main pipe (14) is connected with a water pump (13);
the fire-fighting system also comprises a plurality of functional tanks (2) which are in one-to-one correspondence with the ventilation manifolds (15), wherein each functional tank (2) comprises a tank body (23) and connecting pipes (21) communicated with the inner cavity of the tank body (23), and a plurality of through holes (22) are formed in the wall surface of the tank body (23); the ventilation manifolds (15), the water-through manifolds (16) corresponding to the ventilation manifolds (15) and the connecting pipes (21) on the functional pipes corresponding to the ventilation manifolds (15) are connected in parallel;
a control valve (17) is arranged on each of the ventilation manifold and the water inlet manifold; the tail end of the ventilation main pipe (12) is communicated with the atmosphere, and the tail end of the water ventilation main pipe (14) is connected with a water source;
the ventilation main pipe (12) is provided with a first standby pipe (18), the water-passing main pipe (14) is provided with a second standby pipe (19), and the first standby pipe (18) and the second standby pipe (19) can be communicated with each other after being connected;
the functional tank (2) comprises a rotary drum (24) which is rotationally connected in a tank body (23), the lower end of the rotary drum (24) is sealed, connecting pipes (21) are communicated with the upper end of the rotary drum (24), a plurality of rotary supports (25) are distributed on the outer wall of the rotary drum (24) at equal intervals along the axial direction of the rotary drum (24), each rotary support (25) comprises at least two branch pipes (26), the inner ends of the branch pipes (26) are communicated with the rotary drum (24), annular guide grooves (27) which are in one-to-one correspondence with the rotary supports (25) are formed in the inner wall of the tank body (23), through holes (22) are formed in the bottoms of the guide grooves (27), a roller (28) is rotationally connected with the outer ends of the branch pipes (26), and the roller (28) is in rolling connection with the corresponding guide grooves (27); a driving mechanism capable of driving the rotary drum (24) to rotate by utilizing the pressure of fluid in the rotary drum (24) is arranged between the rotary drum (24) and the connecting pipe (21);
the driving mechanism comprises a mounting frame (31) positioned in the tank body (23), a guide cylinder (32) is arranged on the mounting frame (31), a pressing rod (33) is connected in a sliding manner in the guide cylinder (32), and a compression spring (34) is arranged between the pressing rod (33) and the guide cylinder (32); the lower end of the compression bar (33) is fixedly provided with a pressure plate (35), a plurality of saw-tooth-shaped guide plates (4) are uniformly distributed at the upper end edge part of the rotary drum (24), a plurality of water-through manifolds (5) are arranged on the lower end surface of the pressure plate (35), each guide plate (4) is provided with an avoidance surface (41) parallel to the axis of the rotary drum (24) and a guide surface (42) which is inclined at an angle of 30 degrees with the avoidance surface (41), and the water-through manifolds (5) can drive the rotary drum (24) to rotate when pressing the guide surface (42);
an iron ring is fixedly arranged at the upper end of the compression bar (33), an armature block is fixedly arranged at the top of the guide cylinder (32), and an electrified coil is wound on the armature block;
the branch pipe (26) is in a cone column shape, and the small diameter end of the branch pipe (26) faces outwards;
four branch pipes (26) are uniformly distributed outside the rotating support (25).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910159842.4A CN109758694B (en) | 2019-03-04 | 2019-03-04 | Building fire extinguishing system with ventilation function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910159842.4A CN109758694B (en) | 2019-03-04 | 2019-03-04 | Building fire extinguishing system with ventilation function |
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| CN109758694A CN109758694A (en) | 2019-05-17 |
| CN109758694B true CN109758694B (en) | 2024-03-08 |
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| CN201910159842.4A Active CN109758694B (en) | 2019-03-04 | 2019-03-04 | Building fire extinguishing system with ventilation function |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111227004B (en) * | 2020-03-13 | 2021-09-10 | 黄山学院 | Heating device of dough fermentation device |
| CN112258774A (en) * | 2020-10-21 | 2021-01-22 | 宣城恒创科技有限公司 | Electrical fire early warning device and method based on Internet of things |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19990079686A (en) * | 1998-04-08 | 1999-11-05 | 박상근 | Non-Powered Automatic Fire Water Supply |
| CN102573999A (en) * | 2009-09-10 | 2012-07-11 | 维京公司 | Trim manifold assembly for a sprinkler system |
| CN207591188U (en) * | 2017-12-11 | 2018-07-10 | 四川建筑职业技术学院 | A kind of building spray system |
| CN210020927U (en) * | 2019-03-04 | 2020-02-07 | 湖北科技学院 | Building fire extinguishing system with ventilation function |
-
2019
- 2019-03-04 CN CN201910159842.4A patent/CN109758694B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19990079686A (en) * | 1998-04-08 | 1999-11-05 | 박상근 | Non-Powered Automatic Fire Water Supply |
| CN102573999A (en) * | 2009-09-10 | 2012-07-11 | 维京公司 | Trim manifold assembly for a sprinkler system |
| CN207591188U (en) * | 2017-12-11 | 2018-07-10 | 四川建筑职业技术学院 | A kind of building spray system |
| CN210020927U (en) * | 2019-03-04 | 2020-02-07 | 湖北科技学院 | Building fire extinguishing system with ventilation function |
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