CN215113047U

CN215113047U - Indoor fire-fighting ventilation and smoke-discharging device

Info

Publication number: CN215113047U
Application number: CN202121229806.XU
Authority: CN
Inventors: 王瑶; 胡贤跃
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-02
Filing date: 2021-06-02
Publication date: 2021-12-10
Anticipated expiration: 2031-06-02

Abstract

The utility model discloses an indoor fire control ventilation fume extractor relates to fire control ventilation technical field. The ventilating device comprises a ventilating device shell, wherein a filter screen is fixedly installed on the front inner wall of the ventilating device shell, a rectangular groove is formed in the rear surface of the ventilating device shell, an active carbon air-permeable plate is movably connected to the inner wall of the rectangular groove of the ventilating device shell, sliding blocks are symmetrically arranged at the left end and the right end of the active carbon air-permeable plate, the two sliding blocks are slidably connected to the ventilating device shell to form the inner wall of the rectangular groove, a gas-leading pipe is fixedly connected to the upper surface of the ventilating device shell in a penetrating manner, and a smoke-discharging mechanism is fixedly connected to the upper surface of the gas-leading pipe; the smoke exhaust mechanism comprises a case, a fan is arranged in the case, an air inlet of the fan of the case is fixedly connected to the upper surface of the air guide pipe, a single chip microcomputer is arranged in the case, and the single chip microcomputer of the case is electrically connected with the fireproof alarm system; the anti-backflow mechanism is arranged on the rear surface of the filter screen, so that the smoke exhaust effect is effectively improved, the escape time of personnel is prolonged, and the safety is greatly improved.

Description

Indoor fire-fighting ventilation and smoke-discharging device

Technical Field

The utility model relates to a fire control ventilation technical field especially relates to an indoor fire control ventilation fume extractor.

Background

The indoor fire extinguishing system is a facility system installed indoors for extinguishing a fire occurring in a building at the beginning, and mainly comprises an indoor fire hydrant system, an automatic water spraying fire extinguishing system, a water mist fire extinguishing system, a foam fire extinguishing system, a carbon dioxide fire extinguishing system, a haloalkane fire extinguishing system, a dry powder fire extinguishing system and the like, and a ventilation device is usually installed when fire safety is ensured.

However, most of the existing indoor ventilation devices only have simple ventilation functions, when a fire disaster occurs, dense smoke cannot be quickly discharged or dense smoke backflow is caused due to insufficient exhaust force, smoke is often accompanied with air in daily ventilation, the smoke cannot be treated and directly enters the ventilation device to cause erosion of the device, Chinese patent No. CN201920613508.7 is searched, although the utility model discloses an indoor ventilation device which is provided with a fan to suck air in the lower environment upwards and promote indoor air to be discharged outwards to form a natural ventilation effect, or can blow fresh air in the external environment downwards to promote fresh air to enter the room to form a natural ventilation effect, the ventilation device can be specifically adjusted according to the type or installation direction of the fan so as not to influence the ventilation effect and prevent rainwater from entering the indoor ventilation device, be provided with the apron, and the apron can be followed and adjusted from top to bottom to avoid the rainwater to get into and guarantee to exhaust smoothly, nevertheless this technical scheme still can't properly solve the above-mentioned problem, consequently needs a ventilation unit that can effectively discharge fume and protect ventilation equipment.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an indoor fire control ventilation fume extractor, it only has simple function of taking a breath to have solved most indoor ventilation unit at present, can't discharge dense smoke fast or cause dense smoke backward flow to lead to indoor personnel that do not flee from because of the dynamics of airing exhaust causes the oxygen deficiency because of dense smoke inadequately when the conflagration breaing out, increase and flee the degree of difficulty and lead to the fact the threat to personal safety, thereby can't filter the flue gas when daily ventilation and lead to the technical problem that flue gas erosion ventilation equipment leads to equipment life to reduce.

In order to achieve the above object, the utility model provides a following technical scheme: an indoor fire-fighting, ventilation and smoke-discharging device comprises a ventilation device shell, wherein a filter screen is fixedly installed on the front inner wall of the ventilation device shell, a rectangular groove is formed in the rear surface of the ventilation device shell, an active carbon air-permeable plate is movably connected to the inner wall of the rectangular groove of the ventilation device shell, sliding blocks are symmetrically arranged at the left end and the right end of the active carbon air-permeable plate, the two sliding blocks are connected to the ventilation device shell in a sliding mode to form the inner wall of the rectangular groove, an air-entraining pipe is fixedly connected to the upper surface of the ventilation device shell in a penetrating mode, and a smoke-discharging mechanism is fixedly connected to the upper surface of the air-entraining pipe; the smoke exhaust mechanism comprises a case, a fan is arranged in the case, an air inlet of the fan of the case is fixedly connected to the upper surface of the air guide pipe, an air outlet of the fan of the case is fixedly connected with an exhaust pipeline, a single chip microcomputer is arranged in the case, and the single chip microcomputer of the case is electrically connected with a fireproof alarm system; the rear surface of the filter screen is provided with an anti-backflow mechanism.

Preferably, anti-return mechanism includes the pivot, the preceding rotation of pivot is connected at the filter screen rear surface, pivot circumference fixed surface is connected with the fan that admits air, pivot circumference surface runs through to rotate and is connected with the box, pivot rear surface fixed surface is connected with bevel gear one, inner wall fixedly connected with motor on the box, the output shaft circumference fixed surface of motor is connected with bevel gear two, the output shaft lower surface of motor rotates and connects the inner wall under the box, the teeth of a cogwheel surface of bevel gear two is in the same place with the teeth of a cogwheel surface meshing of bevel gear one.

Preferably, the activated carbon air-permeable plate is of an inclined structure, and a handle is fixedly connected to the rear surface of the activated carbon air-permeable plate.

Preferably, the lower surface of the air entraining pipe is of a stepped structure, and the lower surface of the air entraining pipe is positioned above the activated carbon ventilating plate.

Preferably, the activated carbon ventilating plate is internally provided with a fireproof cotton layer.

Preferably, the upper surface of the box body is fixedly connected with the upper inner wall of the shell of the ventilation device.

Compared with the prior art, the utility model provides a pair of indoor fire control ventilation fume extractor has following beneficial effect:

the utility model provides an indoor fire-fighting ventilation and smoke-discharging device, when fire occurs, a fire-fighting alarm system sends an instruction to a singlechip in a case to start a fan in the case, an output shaft of a motor rotates to drive a bevel gear to rotate and drive a bevel gear to rotate, an air inlet fan is driven to rotate, indoor smoke is pumped into a ventilation device shell through a filter screen in the process, then the smoke filtered by an active carbon breathable plate is exhausted to the outside through an air guide pipe and an exhaust pipeline by the fan in the case, the ventilation requirement is met by a backflow prevention mechanism under normal conditions, the fan in the case accelerates the exhaust of the indoor smoke when fire occurs, the time is won for the escape of indoor personnel, the smoke-discharging effect is effectively improved, the escape time of the personnel is increased, the safety is greatly increased, and most of the existing indoor ventilation devices only have a simple ventilation function, the problem that dense smoke cannot be discharged quickly when a fire disaster happens or dense smoke backflow is caused due to insufficient exhaust force, so that the personnel who do not escape from the room are lack of oxygen due to the dense smoke, and the escape difficulty is increased to threaten the personal safety is solved.

The utility model provides an indoor fire prevention ventilation fume extractor, adopt the cotton layer of built-in fire prevention of active carbon ventilating board and active carbon to filter indoor flue gas, the flue gas that exists when having avoided daily ventilation corrodes ventilation equipment, the pulling handle makes the slider accomplish the change at the rectangular channel inner wall slip of ventilation unit casing, the effectual life that increases ventilation equipment, it is convenient to change, thereby it is more convenient to use, thereby solved and can't filter the flue gas when daily ventilation and lead to the problem that flue gas corrodes ventilation equipment and lead to equipment life to reduce.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic sectional view of the structure of the air inlet fan of the present invention;

FIG. 3 is a schematic sectional view of the structure of the case body of the present invention;

FIG. 4 is a schematic view of the structure of the exhaust duct of the present invention;

fig. 5 is a schematic structural view of the activated carbon air permeable plate of the present invention.

In the figure: 1. the ventilating device comprises a ventilating device shell, 11, a filter screen, 12, a gas guide pipe, 13, an activated carbon ventilating plate, 14, a handle, 15, a sliding block, 2, an air inlet fan, 21, a box body, 22, a rotating shaft, 23, a first bevel gear, 24, a motor, 25, a second bevel gear, 3, a case, 31 and an exhaust pipeline.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The first embodiment is as follows:

referring to fig. 1-4, the present invention provides a technical solution, which includes a ventilation device housing 1, a filter screen 11 is fixedly installed on the front inner wall of the ventilation device housing 1, a gas-guiding pipe 12 is fixedly connected to the upper surface of the ventilation device housing 1 in a penetrating manner, and a smoke-discharging mechanism is fixedly connected to the upper surface of the gas-guiding pipe 12; the smoke discharging mechanism comprises a case 3, a fan is arranged in the case 3, an air inlet of the fan of the case 3 is fixedly connected to the upper surface of the air guide pipe 12, an air outlet of the fan of the case 3 is fixedly connected with an exhaust pipeline 31, a single chip microcomputer is arranged in the case 3, and the single chip microcomputer of the case 3 is electrically connected with a fireproof alarm system; 11 rear surfaces of filter screen are provided with anti-return mechanism, anti-return mechanism includes pivot 22, pivot 22 front surface rotates to be connected at 11 rear surfaces of filter screen, pivot 22 circumference fixed surface is connected with and admits air fan 2, pivot 22 circumference surface runs through to rotate and is connected with box 21, pivot 22 rear surface fixed surface is connected with bevel gear 23, inner wall fixedly connected with motor 24 on the box 21, motor 24's output shaft circumference fixed surface is connected with bevel gear two 25, the inner wall is connected under box 21 in the rotation of the output shaft lower surface of motor 24, the teeth of a cogwheel surface of bevel gear two 25 is in the same place with the teeth of a cogwheel surface meshing of bevel gear 23, surface fixed surface is connected at ventilation unit casing 1 inner wall on the box 21.

In this embodiment: when a fire occurs, the fire alarm system sends an instruction to the single chip microcomputer in the case 3 to start the fan in the case 3, the output shaft of the motor 24 rotates to drive the bevel gear two 25 to rotate to drive the bevel gear one 23 to rotate, the air inlet fan 2 is driven to rotate, indoor smoke is sucked into the ventilation device shell 1 through the filter screen 11 in the process, then the fan in the case 3 enables the smoke filtered by the activated carbon ventilating plate 13 to pass through the air guide pipe 12 and the exhaust pipeline 31 to be discharged outdoors, the ventilation requirement is met by the anti-backflow mechanism under the normal condition, when a fire occurs, the fan in the case 3 accelerates the discharge of the indoor smoke, the escape time of indoor personnel is strived for, and the smoke exhaust effect is effectively improved.

Example two:

referring to fig. 2 and 5, based on the first embodiment, the present invention provides a technical solution: the rectangular channel has been seted up to ventilation unit casing 1 rear surface, ventilation unit casing 1's rectangular channel inner wall swing joint has active carbon air-permeable plate 13, slider 15 has been seted up to both ends symmetry about active carbon air-permeable plate 13, two 15 sliding connection of slider obtain the rectangular channel inner wall at ventilation unit casing 1, active carbon air-permeable plate 13 is the slope column structure, fixed surface is connected with handle 14 behind active carbon air-permeable plate 13, bleed pipe 12 lower surface is cascaded structure, bleed pipe 12 lower surface is located active carbon air-permeable plate 13 top, active carbon air-permeable plate 13 embeds there is the cotton layer of fire prevention.

In this embodiment: adopt the cotton layer of fire prevention and the active carbon of active carbon ventilating board 13 built-in to filter indoor flue gas, the flue gas that exists when having avoided daily ventilation corrodes ventilation equipment, and pulling handle 14 makes slider 15 accomplish the change in the rectangular channel inner wall of ventilation unit casing 1 slides, the effectual life who increases ventilation equipment, and it is convenient to change, and it is more convenient to use.

The working principle is as follows: when a fire occurs, the fire-proof alarm system sends an instruction to the singlechip in the case 3 to start the fan in the case 3, the output shaft of the motor 24 rotates to drive the conical gear II 25 to rotate to drive the conical gear I23 to rotate, the air inlet fan 2 is driven to rotate, indoor smoke is pumped into the shell 1 of the ventilation device through the filter screen 11 in the process, then the fan in the case 3 discharges the smoke filtered by the active carbon air-permeable plate 13 to the outside through the air-entraining pipe 12 and the exhaust pipeline 31, satisfy the ventilation demand by anti-return mechanism under normal conditions, filter indoor flue gas by the cotton layer of fire prevention and the active carbon of active carbon ventilating board 13 built-in, flue gas that exist when having avoided daily ventilation corrodes ventilation equipment, and pulling handle 14 makes slider 15 accomplish the change at the rectangular channel inner wall of ventilation unit casing 1 slip, the effectual life who increases ventilation equipment.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an indoor fire control ventilation fume extractor, includes ventilation unit casing (1), inner wall fixed mounting has filter screen (11), its characterized in that before ventilation unit casing (1): the rear surface of the ventilation device shell (1) is provided with a rectangular groove, the inner wall of the rectangular groove of the ventilation device shell (1) is movably connected with an active carbon ventilating plate (13), the left end and the right end of the active carbon ventilating plate (13) are symmetrically provided with sliding blocks (15), the two sliding blocks (15) are connected to the ventilation device shell (1) in a sliding mode to obtain the inner wall of the rectangular groove, the upper surface of the ventilation device shell (1) is fixedly connected with an air entraining pipe (12) in a penetrating mode, and the upper surface of the air entraining pipe (12) is fixedly connected with a smoke exhaust mechanism;

the smoke exhaust mechanism comprises a case (3), a fan is arranged in the case (3), an air inlet of the fan of the case (3) is fixedly connected to the upper surface of the air guide pipe (12), an air outlet of the fan of the case (3) is fixedly connected with an exhaust pipeline (31), a single chip microcomputer is arranged in the case (3), and the single chip microcomputer of the case (3) is electrically connected with a fireproof alarm system;

the rear surface of the filter screen (11) is provided with an anti-backflow mechanism.

2. An indoor fire-fighting, ventilation and smoke-discharging device according to claim 1, characterized in that: anti-return mechanism includes pivot (22), the preceding rotation of pivot (22) is connected at filter screen (11) rear surface, pivot (22) circumference fixed surface is connected with and is admitted fan (2), pivot (22) circumference surface runs through to rotate and is connected with box (21), pivot (22) rear surface fixed surface is connected with bevel gear (23), inner wall fixedly connected with motor (24) is gone up in box (21), the output shaft circumference fixed surface of motor (24) is connected with bevel gear two (25), the output shaft lower surface of motor (24) rotates and connects inner wall under box (21), the teeth of a cogwheel surface of bevel gear two (25) is in the same place with the teeth of a cogwheel surface meshing of bevel gear (23).

3. An indoor fire-fighting, ventilation and smoke-discharging device according to claim 1, characterized in that: the activated carbon air-permeable plate (13) is of an inclined structure, and the rear surface of the activated carbon air-permeable plate (13) is fixedly connected with a handle (14).

4. An indoor fire-fighting, ventilation and smoke-discharging device according to claim 1, characterized in that: the lower surface of the air entraining pipe (12) is of a stepped structure, and the lower surface of the air entraining pipe (12) is positioned above the activated carbon ventilation plate (13).

5. An indoor fire-fighting, ventilation and smoke-discharging device according to claim 1, characterized in that: the activated carbon breathable plate (13) is internally provided with a fireproof cotton layer.

6. An indoor fire-fighting, ventilation and smoke-discharging device according to claim 2, characterized in that: the upper surface of the box body (21) is fixedly connected with the upper inner wall of the ventilation device shell (1).