Fire-fighting smoke exhaust fresh air system

Abstract

The utility model discloses a fire-fighting smoke exhaust fresh air system in the technical field of fire-fighting smoke exhaust, which comprises an air inlet cylinder and an air outlet cylinder, a fan used for pumping air is mounted on the inner side of the air inlet cylinder through bolts, a filter part used for purifying air is mounted on one side of the air inlet cylinder, a locking fastener is mounted between the filter part and the air inlet cylinder, and the locking fastener is connected with the air outlet cylinder through bolts. An adjusting piece used for adjusting the air inlet amount is installed on one side of the air inlet barrel and located on the inner side of the filtering piece, the draught fan can drive outdoor air to enter a room through the air inlet barrel, the filtering piece can conduct purification filtering and damp-proof filtering on the air, and impurities or damp water contained in the air is prevented from entering the room. Discomfort caused by humidity increase of indoor air due to damp air is prevented, and indoor smoke can be pumped to be exhausted from the top of the air outlet barrel through the smoke exhaust piece in the air outlet barrel.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of fire exhaust smoke, concretely to a fire exhaust smoke fresh air system. BACKGROUND

[0002] The fresh air system is a set of independent air treatment system composed of a supply air system and an exhaust system, which is divided into a duct type fresh air system and a ductless fresh air system, the duct type fresh air system is composed of a fresh air machine and duct accessories, outdoor air is purified by the fresh air machine and introduced into the room, and indoor air is discharged through the duct, the ductless fresh air system is composed of a fresh air machine, and outdoor air is also purified by the fresh air machine and introduced into the room, and the fresh air system needs to have the effect of smoke exhaust in the fire system.

[0003] At present, the fresh air system has poor smoke exhaust effect, resulting in poor indoor air purification effect, the air inlet amount of the existing fresh air system is usually adjusted by the size of the fan speed in an open type, the air inlet amount cannot be adjusted according to the need, and the open type air inlet structure cannot prevent moisture and dust in the air from being purified and filtered, thereby affecting the practicability of indoor space smoke exhaust and air purification, therefore, a fire exhaust smoke fresh air system needs to be designed to solve the above problems. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a fire exhaust smoke fresh air system to solve the problems in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical scheme: a fire exhaust smoke fresh air system, comprising an air inlet cylinder and an air outlet cylinder, a fan for pumping air is installed on the inner side of the air inlet cylinder through bolts, a filter for purifying air is installed on one side of the air inlet cylinder, a lock catch is installed between the filter and the air inlet cylinder, an adjusting part for adjusting the air inlet amount is installed on one side of the air inlet cylinder and inside the filter, and a smoke exhaust part for exhaust smoke is installed on the inner side of the air outlet cylinder.

[0006] Preferably, the filter comprises a ventilation frame movably connected with the inner side of the air inlet cylinder, a moisture-proof pad is movably connected with the inner side of the ventilation frame, a filter plate is installed on one side of the moisture-proof pad, and an adsorption pad is placed on the other side of the filter plate, and the moisture-proof pad, the filter plate and the adsorption pad are movably connected with the ventilation frame.

[0007] Preferably, the lock catch comprises a screw rod screwed with the top of the air inlet cylinder, a connecting plate is sleeved with the outer side of the fixed part through the screw rod, a lock catch rod for fixing the ventilation frame is fixedly connected with the bottom of the connecting plate, and a lock catch groove for cooperating with the lock catch rod is formed in the top of the ventilation frame.

[0008] Preferably, the adjusting piece comprises a baffle plate movably connected with the top of the air inlet cylinder, a plurality of connecting grooves are arranged uniformly on both sides of the baffle plate, a fixing frame is fixedly connected with the top of the baffle plate, and the baffle plate is movably connected with the air inlet cylinder and the ventilation frame.

[0009] Preferably, the adjusting piece further comprises a connecting rod slidably connected with the inner side of the fixing frame, a base plate is slidably connected with the inner side of the fixing frame, a plurality of lock buckle columns are arranged uniformly and fixedly connected with the bottom of the base plate, a plurality of locking grooves are arranged in a rectangular manner on the surface of the air inlet cylinder, a spring is sleeved with the outer side of the connecting rod, and the two ends of the spring are fixedly connected with the fixing frame and the base plate.

[0010] Preferably, the smoke exhaust piece comprises a rotating shaft penetrating through the inner side of the air outlet cylinder, a plurality of air deflectors are circumferentially arranged and fixedly connected with the outer side of the rotating shaft, and a motor is installed on the other side of the air outlet cylinder and located at one end of the rotating shaft.

[0011] Preferably, a plurality of flow guides are arranged uniformly and fixedly connected with the inner side walls of the air inlet cylinder and the air outlet cylinder.

[0012] Compared with the prior art, the air inlet cylinder and the air outlet cylinder are in L-shaped cross section, the air inlet cylinder can be installed symmetrically or vertically according to the wall, the opening of the air inlet cylinder faces downward, the opening of the air outlet cylinder faces upward, the fan can drive outdoor air to enter the room through the air inlet cylinder, the filter can purify and dehumidify the air, avoid impurities or moisture in the air from entering the room, prevent the increase of indoor air humidity caused by humid air, and improve the purification effect and practicability of the equipment for smoke exhaust and air exchange.

[0013] 1. The air inlet cylinder and the air outlet cylinder are in L-shaped cross section, the air inlet cylinder can be installed symmetrically or vertically according to the wall, the opening of the air inlet cylinder faces downward, the opening of the air outlet cylinder faces upward, the fan can drive outdoor air to enter the room through the air inlet cylinder, the filter can purify and dehumidify the air, avoid impurities or moisture in the air from entering the room, prevent the increase of indoor air humidity caused by humid air, and improve the purification effect and practicability of the equipment for smoke exhaust and air exchange.

[0014] 2. The ventilation frame can enter and exit the air inlet cylinder, the dehumidification pad in the ventilation frame can dehumidify the humid air, the filter plate can purify and dehumidify the air, the activated carbon adsorption material is filled in the adsorption pad, and the adsorption material in the adsorption pad can purify and dehumidify the air, so as to avoid the pollution of a large amount of moisture or impurities in the air to the indoor gas environment. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a schematic view of the overall structure of the utility model;

[0016] Figure 2 It is a left view of the overall structure of the utility model;

[0017] Figure 3 It is a schematic view of the overall structure of the utility model; Figure 2 It is an enlarged view of the middle A of the utility model;

[0018] Figure 4 The whole structure of the utility model Figure 2 The enlarged view of B in the middle;

[0019] Figure 5 The structure diagram of the ventilation frame, the moisture-proof pad, the filter plate and the adsorption pad in the whole structure of the utility model.

[0020] In the drawing: 1, the air inlet cylinder; 2, the air outlet cylinder; 3, the fan; 4, the ventilation frame; 5, the moisture-proof pad; 6, the filter plate; 7, the adsorption pad; 8, the screw rod; 9, the fixed part; 10, the connecting plate; 11, the lock catch rod; 12, the lock catch groove; 13, the wind shield; 14, the connecting groove; 15, the fixed frame; 16, the connecting rod; 17, the pad plate; 18, the lock catch column; 19, the locking groove; 20, the spring; 21, the rotating shaft; 22, the air deflector; 23, the motor; 24, the flow guide plate. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] Embodiment one

[0023] Please refer to Figures 1-5 The utility model provides a kind of fire-fighting smoke exhaust fresh air system, including air inlet cylinder 1 and air outlet cylinder 2, air inlet cylinder 1 inner side is equipped with the fan 3 for pumping air by bolt, air inlet cylinder 1 side is equipped with the filter piece for purifying air, filter piece is equipped with lock catch piece between air inlet cylinder 1, air inlet cylinder 1 side and located filter piece inner side is equipped with the adjusting piece for adjusting air intake, air outlet cylinder 2 inner side is equipped with the smoke exhaust piece for smoke exhaust, air inlet cylinder 1 inner wall and air outlet cylinder 2 inner wall are fixedly connected with the multiple flow guide plates 24 that are evenly arranged respectively.

[0024] Further, the guide plate 24 is inclined to guide the air and smoke, accelerate the rate of air flow, the inlet cylinder 1 and the outlet cylinder 2 are L-shaped in cross section, the inlet cylinder 1 can be installed symmetrically up and down according to the wall, the inlet cylinder 1 is downward, the outlet cylinder 2 is upward, the fan 3 can drive outdoor air into the room through the inlet cylinder 1, the filter can purify and filter the air, prevent impurities or moisture in the air from entering the room, prevent the increase of indoor air humidity caused by humid air, and prevent the discomfort caused by humid air, the smoke in the outlet cylinder 2 can be extracted through the smoke exhaust element in the outlet cylinder 2, and the purification effect and practicability of the equipment for smoke exhaust and ventilation are improved.

[0025] Specifically, the filter includes a ventilation frame 4 movably connected to the inner side of the inlet cylinder 1, a moisture-proof pad 5 movably connected to the inner side of the ventilation frame 4, a filter plate 6 mounted on one side of the moisture-proof pad 5, and an adsorption pad 7 placed on the other side of the filter plate 6. The moisture-proof pad 5, the filter plate 6 and the adsorption pad 7 are movably connected to the ventilation frame 4.

[0026] Among them, the ventilation frame 4 can enter and exit the inlet cylinder 1, the moisture-proof pad 5 in the ventilation frame 4 can prevent the moisture in the air, the filter plate 6 can prevent dust and impurities in the air, the adsorption pad 7 is filled with activated carbon adsorption material, and the adsorption material in the adsorption pad 7 can purify and adsorb the air to prevent the air from containing a large amount of moisture or impurities polluting the indoor air environment.

[0027] More specifically, the locking element includes a screw rod 8 screwed to the top of the inlet cylinder 1, the screw rod 8 is sleeved with a connecting plate 10 on the outer side of a fixing part 9, the connecting plate 10 is fixedly connected with a locking rod 11 for fixing the ventilation frame 4, and the top of the ventilation frame 4 is provided with a locking groove 12 for cooperating with the locking rod 11.

[0028] Need to be supplemented, the screw rod 8 can drive the locking rod 11 at the bottom of the connecting plate 10 to move up and down through the fixing part 9, the locking rod 11 at the bottom of the connecting plate 10 can be inserted into the locking groove 12 to lock and fix the ventilation frame 4, and the convenience and stability of disassembling and installing the ventilation frame 4 are improved.

[0029] Further, the adjusting element includes a baffle 13 movably connected to the top of the inlet cylinder 1, a plurality of connecting grooves 14 are evenly arranged on both sides of the baffle 13, a fixing frame 15 is fixedly connected to the top of the baffle 13, the baffle 13 is movably connected to the inlet cylinder 1 and the ventilation frame 4, the adjusting element further includes a connecting rod 16 slidably connected to the inner side of the fixing frame 15, a pad 17 is slidably connected to the inner side of the fixing frame 15, a plurality of locking columns 18 are evenly arranged and fixedly connected to the bottom of the pad 17, a plurality of locking grooves 19 are arranged in a rectangular shape on the surface of the inlet cylinder 1, a spring 20 is sleeved with the outer side of the connecting rod 16, and the both ends of the spring 20 are fixedly connected with the fixing frame 15 and the pad 17.

[0030] The plurality of springs 20 inside the fixed frame 15 can extrude the pad 17, so that the pad 17 drives the plurality of locking columns 18 to be inserted into the locking grooves 19, the baffle 13 can enter the air inlet cylinder 1 to different depths, the opening space of the air inlet cylinder 1 is adjusted by the baffle 13, so as to adjust the air inlet amount of the air inlet cylinder 1.

[0031] In addition, the smoke exhaust part comprises a rotating shaft 21 penetrating the inside of the air outlet cylinder 2, a plurality of air deflectors 22 are circumferentially arranged and fixedly connected to the outside of the rotating shaft 21, a motor 23 is installed on the other side of the air outlet cylinder 2 and located at one end of the rotating shaft 21, the motor 23 can drive the air deflectors 22 on the outside of the rotating shaft 21 to rotate rapidly, the cross section of the air deflector 22 is arc-shaped, and the air deflector 22 drives smoke to be discharged while rapidly rotating, so that the efficiency of the smoke exhaust operation of the equipment is improved.

[0032] Working principle: first, start the fan 3 and the motor 23, so that the motor 23 drives the air deflectors 22 on the outside of the rotating shaft 21 to rotate rapidly, the air deflectors 22 drive smoke to be discharged while rapidly rotating, at this time, the fan 3 drives outdoor air to enter the room through the air inlet cylinder 1, the moisture-proof pad 5 in the ventilation frame 4 prevents and filters the damp air, the filter plate 6 prevents dust and removes impurities in the air, and then the adsorption pad 7 is filled with activated carbon adsorption material, and the adsorption material in the adsorption pad 7 can purify and adsorb the air;

[0033] When it is necessary to adjust the air inlet amount of the air inlet cylinder 1, the fixed frame 15 drives the baffle 13 to slide in and out of the air inlet cylinder 1, and then the connecting rod 16 is slowly released, at this time, the plurality of springs 20 extrude the pad 17 downward, and the locking columns 18 at the bottom of the pad 17 are inserted into the locking grooves 19 at different positions to lock and fix the baffle 13.

[0034] The contents not described in detail in the description belong to the prior art known to those skilled in the art.

[0035] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model shall be included in the protection scope of the utility model.

Claims

1. A fire-fighting smoke exhaust fresh air system, comprising an air inlet duct (1) and an air outlet duct (2), characterized in that: A fan (3) for drawing air is installed inside the air inlet duct (1) by bolts. A filter for purifying air is installed on one side of the air inlet duct (1). A locking device is installed between the filter and the air inlet duct (1). An adjusting device for adjusting the air intake volume is installed on one side of the air inlet duct (1) and inside the filter. A smoke exhaust device for exhausting smoke is installed inside the air outlet duct (2).

2. The fire-fighting smoke exhaust fresh air system according to claim 1, characterized in that: The filter element includes a ventilation frame (4) movably connected to the inside of the air inlet duct (1), a moisture-proof pad (5) movably connected to the inside of the ventilation frame (4), a filter plate (6) installed on one side of the moisture-proof pad (5), and an adsorption pad (7) placed on the other side of the filter plate (6). The moisture-proof pad (5), the filter plate (6) and the adsorption pad (7) are movably connected to the ventilation frame (4).

3. A fire-fighting smoke exhaust fresh air system according to claim 2, characterized in that: The locking component includes a screw rod (8) that is screwed to the top of the air inlet duct (1). The screw rod (8) is fitted with a connecting plate (10) on the outside of the fixing part (9). The bottom of the connecting plate (10) is fixedly connected to a locking rod (11) for fixing the ventilation frame (4). The top of the ventilation frame (4) is provided with a locking groove (12) for cooperating with the locking rod (11).

4. A fire-fighting smoke exhaust fresh air system according to claim 3, characterized in that: The adjusting component includes a baffle plate (13) that is movably connected to the top of the air inlet duct (1). The baffle plate (13) has multiple evenly arranged connecting slots (14) on both sides. A fixing frame (15) is fixedly connected to the top of the baffle plate (13). The baffle plate (13) is movably connected to the air inlet duct (1) and the ventilation frame (4).

5. A fire-fighting smoke exhaust fresh air system according to claim 4, characterized in that: The adjusting component also includes a connecting rod (16) that is slidably connected to the inner side of the fixing frame (15). A pad (17) is slidably connected to the inner side of the fixing frame (15). A plurality of evenly arranged locking posts (18) are fixedly connected to the bottom of the pad (17). A plurality of rectangular locking grooves (19) are opened on the surface of the air inlet (1). A spring (20) is fitted on the outer side of the connecting rod (16). The two ends of the spring (20) are fixedly connected to the fixing frame (15) and the pad (17) respectively.

6. A fire-fighting smoke exhaust fresh air system according to claim 2, characterized in that: The exhaust component includes a rotating shaft (21) that passes through the inside of the exhaust duct (2). A plurality of circumferentially arranged air guide plates (22) are fixedly connected to the outside of the rotating shaft (21). A motor (23) is installed on the other side of the exhaust duct (2) and at one end of the rotating shaft (21).

7. A fire-fighting smoke exhaust fresh air system according to claim 2, characterized in that: The inner wall of the air inlet duct (1) and the inner wall of the air outlet duct (2) are each fixedly connected with a plurality of uniformly arranged guide plates (24).

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