CN220567467U - Building ventilation device - Google Patents

Abstract

The utility model discloses a building ventilation device, which relates to the technical field of ventilation devices. It includes a pipeline. The inside of the pipeline is a hollow structure. A closed door is provided at the outlet and entrance of the pipeline. A catch slot is provided on both sides of the bottom of the pipeline. , the card slot is connected to the bottom of the closed door. The closed door is used to isolate dust from entering the inside of the pipe when it is in use. A filter component is provided on one side of the closed door near the entrance, and a filter is connected to the top and bottom of the filter component. The filter screen filters dust. The middle part of the filter screen is connected to a brush through a rotating shaft. The other end of the rotating shaft is connected to a motor. When the motor is started, the rotating shaft is driven to drive the brush to rotate. The utility model solves the technical problem that the filter screen of a ventilation device is clogged due to long-term use.

Description

A building ventilation device

Technical field

The utility model relates to the technical field of ventilation devices, in particular to a building ventilation device.

Background technique

Building ventilation devices in housing construction projects are an important means to improve the indoor air environment. They discharge the dirty air in the building directly or after purification to the outdoors, and then replenish the fresh air in, thereby maintaining the indoor air environment in a hygienic manner. Standard needs. The current intelligent ventilation devices in engineering buildings include an air supply mechanism and a pipe connected to the output end of the air supply mechanism. The pipe penetrates the wall and sends outside air into the room.

There is generally no filtering device inside the existing ventilation device, which causes some dust and impurities in the air to enter the room with the air when the device is in use, which is not conducive to people's breathing. Even if a filter is installed inside, it will The use of this product causes the filter to become clogged, making the device unable to function properly. To this end, we propose a building ventilation device to solve the above problems.

Utility model content

The utility model provides a building ventilation device, which solves the technical problem that the filter screen of the ventilation device is blocked due to long-term use.

In order to solve the above technical problems, the utility model provides a building ventilation device, which includes a pipe. The inside of the pipe is a hollow structure. A closed door is provided at both the outlet and the entrance of the pipe. The closed door is located close to the entrance. A filter assembly is provided on one side of the door. A filter is connected to the top and bottom of the filter assembly. A brush is connected to the middle of the filter through a rotating shaft. A motor is connected to the other end of the rotating shaft. The bottom of the filter is connected to a filter assembly. A collection box is provided, a purification layer is provided on one side of the filter assembly, activated carbon is provided in the purification layer, and a fan is provided on one side of the purification layer.

Preferably, baffles are provided around the filter screen, the filter screen is circular in shape, and a mesh-free section is provided below the front of the filter screen.

Preferably, an ash outlet is provided on the bottom of the inner wall of the pipe close to the filter screen, and the bottom of the ash outlet is threadedly connected to the collection box.

Preferably, a heat conductive plate is connected above the motor through a heat conductive rod, a partition is provided on one side of the motor, and a relay is provided on the other side of the partition, and the relay is electrically connected to the motor.

Preferably, a slot is provided on both sides of the bottom of the pipe, and the slot is connected to the bottom of the closed door.

Preferably, two grooves are provided on the top of the pipeline, and two chutes are provided on both sides of the inner wall of the pipeline. The chutes are slidingly connected to the filter assembly and the purification layer. The filter assembly and the purification layer are A sealing ring is provided at the connection between the top and the groove.

Preferably, a visual window is provided below the closed door, the visual window is made of transparent plastic, and anti-slip patterns are provided on both sides of the surface of the closed door.

Preferably, support legs are provided at the bottom four corners of the pipeline, and rubber pads are provided at the bottom of the support legs.

Compared with related technologies, the building ventilation device provided by this utility model has the following beneficial effects:

1. In this utility model, start the fan, and then start the motor to drive the rotating shaft to drive the brush to rotate, thereby cleaning the surface of the filter to avoid clogging caused by excessive dust collection during use, and then driving it to discharge through the fan The air is controlled regularly through the relay, and the motor is started every 15 seconds to drive the shaft to rotate once and drive the brush to clean the filter to save power resources.

2. In this utility model, by picking up the fixed block on the top of the filter assembly and the purification layer, the filter assembly and the purification layer are pulled out to facilitate disassembly and replacement. A sealing ring is provided at the connection between the top of the filter assembly and the purification layer and the groove. , improve sealing.

Description of drawings

Figure 1 is a schematic structural diagram of a building ventilation device;

Figure 2 is a schematic left cross-sectional structural diagram of a building ventilation device;

Figure 3 is a front cross-sectional structural diagram of a building ventilation device;

Figure 4 is an enlarged view of the structure at point A in Figure 3.

Numbers in the figure: 1. Pipe; 2. Supporting legs; 3. Card slot; 4. Closed door; 5. Visual window; 6. Filter component; 7. Purification layer; 61. Baffle; 62. Filter; 63. Rotating shaft; 64. Brush; 65. Ash outlet; 66. Collection box; 67. Motor; 68. Relay; 69. Heat conductor plate; 71. Activated carbon; 8. Fan.

Detailed ways

The embodiments of the present invention are described in detail below.

Embodiment 1, as shown in Figures 1-4, a building ventilation device, including a pipe 1, the inside of the pipe 1 is a hollow structure, a closed door 4 is provided at both the outlet and the entrance of the pipe 1, and both sides of the bottom of the pipe 1 Each pipe is provided with a card slot 3, which is connected to the bottom of the closed door 4. The closed door 4 is used to isolate dust from entering the inside of the pipe 1 when in use. A filter assembly is provided on one side of the closed door 4 near the entrance. 6. A filter screen 62 is connected to the top and bottom surface of the filter assembly 6. The filter screen 62 filters dust. The middle part of the filter screen 62 is connected to a brush 64 through a rotating shaft 63. The other end of the rotating shaft 63 is connected to a motor 67 to start the motor 67. The rotating shaft 63 will be driven to drive the brush 64 to rotate, thereby cleaning the surface of the filter screen 62 to avoid clogging caused by excessive dust collection during use. A collection box 66 is provided below the filter screen 62, and the collection box 66 is used to collect hair. The brush 64 brushes away the dust. An ash outlet 65 is provided at the bottom of the inner wall of the pipe 1 close to the filter screen 62. The bottom of the ash outlet 65 is threadedly connected to the collection box 66. By rotating the collection box 66, the connection with the ash outlet 65 can be released. The threaded connection at the bottom is used to clean the dust in the collection box 66.

A purification layer 7 is provided on one side of the filter assembly 6. Activated carbon 71 is provided in the purification layer 7. A fan 8 is provided on one side of the purification layer 7. The dust-filtered air will pass through the purification layer 7 and be adsorbed by the activated carbon 71. After the air is purified, the air is discharged by the fan 8.

Baffles 61 are provided around the filter screen 62. The baffles 61 are used to block dust so that the dust can be filtered through the filter screen 62. The filter screen 62 is circular in shape, and a netless section is provided below the front of the filter screen 62. section, the net-free section is used to place the brush 64, and the net-free section is located above the ash outlet 65, which reduces the influence of wind and can effectively improve the efficiency of dust falling.

There is a heat conduction plate 69 connected above the motor 67 through a heat conduction rod, which is used to dissipate the heat generated when the motor 67 is running and dissipate the heat through wind to extend the service life of the motor 67. A partition is provided on one side of the motor 67 , a relay 68 is provided on the other side of the partition, and the relay 68 is electrically connected to the motor 67. The motor 67 is timing controlled through the relay 68, and is started every 15 seconds to drive the rotating shaft 63 to rotate once, thereby driving the brush 64 to filter. The network 62 is cleaned to save power resources.

There is a visual window 5 below the closed door 4. The visual window 5 is made of transparent plastic. Anti-skid patterns are provided on both sides of the surface of the closed door 4. The anti-skid patterns are used to increase the friction when picking up. Through the visual window 5, you can Understand the situation inside the pipeline 1 when it is not in use, thereby improving the staff's understanding of the situation inside the pipeline 1, so that the inside of the pipeline 1 can be cleaned or parts replaced in a timely manner.

In addition, support legs 2 are provided at the bottom four corners of the pipe 1, and rubber pads are provided at the bottom of the support legs 2 to improve overall stability.

Embodiment 2, based on Embodiment 1, as shown in Figures 1-4, there are two grooves on the top of pipeline 1. The size of the groove is larger than the size of filter assembly 6 and purification layer 7. The inner wall of pipeline 1 Two chutes are provided on both sides. The chutes are slidingly connected to the filter assembly 6 and the purification layer 7. By picking up the fixed blocks on the top of the filter assembly 6 and the purification layer 7, the filter assembly 6 and the purification layer 7 can be pulled out for convenience. After disassembly and replacement, a sealing ring is provided at the connection between the top of the filter assembly 6 and the purification layer 7 and the groove to improve the sealing performance.

Working principle: First, take the top of the closed door 4 to drive the visual window 5 out of the slot 3, start the fan 8, and then start the motor 67 to drive the rotating shaft 63 to drive the brush 64 to rotate, thereby cleaning the surface of the filter 62 Clean to avoid clogging caused by excessive dust collection during use. The collection box 66 is used to collect dust brushed by the brush 64. The bottom of the ash outlet 65 is threadedly connected to the collection box 66. By rotating the collection box 66, the dust can be released. The threaded connection at the bottom of the port 65 is used to clean the dust in the collection box 66. The dust-filtered air will pass through the purification layer 7 and be adsorbed by the activated carbon 71 to complete the purification of the air. The air will then be discharged through the driving of the fan 8. The motor 67 will be timing controlled through the relay 68 and started every 15 seconds to drive the rotating shaft. 63 rotates once to drive the brush 64 to clean the filter screen 62 to save power resources.

By picking up the fixed block on the top of the filter component 6 and the purification layer 7, pull out the filter component 6 and the purification layer 7 to facilitate disassembly and replacement. A sealing ring is provided at the connection between the top of the filter component 6 and the purification layer 7 and the groove. Improve sealing.

It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that these entities or operations are mutually exclusive. any such actual relationship or sequence exists between them. Furthermore, the terms "comprises," "comprises," or any other variations thereof are intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus that includes a list of elements includes not only those elements, but also those not expressly listed other elements, or elements inherent to the process, method, article or equipment.

Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art will understand that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention. , substitutions and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (8)

1. A building ventilation device, including a duct (1), the inside of the duct (1) is a hollow structure, and a closing door (4) is provided at both the outlet and the inlet of the duct (1), characterized by: A filter assembly (6) is provided on one side of the closed door (4) near the entrance. A filter screen (62) is connected to the top and bottom surface of the filter assembly (6), and the middle part of the filter screen (62) passes through A brush (64) is connected to the rotating shaft (63), a motor (67) is connected to the other end of the rotating shaft (63), a collection box (66) is provided below the filter screen (62), and the filter assembly (62) A purification layer (7) is provided on one side of 6), activated carbon (71) is provided in the purification layer (7), and a fan (8) is provided on one side of the purification layer (7). 2. A building ventilation device according to claim 1, characterized in that baffles (61) are provided around the filter screen (62), and the shape of the filter screen (62) is circular, so A non-network segment is provided below the front of the filter screen (62). 3. A building ventilation device according to any one of claims 1-2, characterized in that an ash outlet (65) is provided on the bottom of the inner wall of the pipe (1) close to the filter screen (62), The bottom of the ash outlet (65) is threadedly connected to the collection box (66). 4. A building ventilation device according to claim 3, characterized in that a heat conductive plate (69) is connected above the motor (67) through a heat conductive rod, and one side of the motor (67) is provided with A partition is provided with a relay (68) on the other side of the partition, and the relay (68) is electrically connected to the motor (67). 5. A building ventilation device according to claim 1, characterized in that a clamping slot (3) is provided on both sides of the bottom of the pipe (1), and the clamping slot (3) is connected with the closing door ( 4) to connect at the bottom. 6. A building ventilation device according to claim 4, characterized in that two grooves are provided on the top of the pipe (1), and two chute are provided on both sides of the inner wall of the pipe (1). , the chute is slidingly connected to the filter assembly (6) and the purification layer (7), and a sealing ring is provided at the connection between the top of the filter assembly (6) and the purification layer (7) and the groove. 7. A building ventilation device according to claim 1, characterized in that a visual window (5) is provided below the closed door (4), and the visual window (5) is made of transparent plastic. Anti-skid patterns are provided on both sides of the surface of the closed door (4). 8. A building ventilation device according to claim 1, characterized in that support legs (2) are provided at four corners of the bottom of the pipe (1), and rubber is provided at the bottom of the support legs (2). pad.