Elevator car ventilation device

Abstract

The utility model relates to an elevator car ventilation device which comprises a car body, an exhaust port is formed in the upper portion of the car body, an exhaust fan is arranged in the exhaust port, a mounting support is arranged below the exhaust fan, a plurality of lighting lamps are arranged below the mounting support, filter boxes are arranged on the two sides of the lower portion of the car body, and a plurality of protection rods are arranged on one side of each filter box. An induced draft fan is arranged on the adjacent sides of the protection rods, a small motor is arranged on one side of the induced draft fan, and the output end of the small motor is connected with a cleaning brush. The filter box is arranged, the induced draft fan, the small motor and the cleaning brush are arranged in the filter box, the cleaning brush can clean the dust removal filter screen, cleaned dust can be discharged into the elevator shaft, the dust removal filter screen can be automatically cleaned conveniently, meanwhile, the electric heating wire net is arranged in the filter box, and the dust removal filter screen can be conveniently cleaned. The electric heating wire net can heat air entering the compartment body, so that hot air can be blown into the compartment body in winter, and the comfort of the compartment body in winter is improved.

Description

Technical Field

[0001] The utility model relates to an elevator car ventilation device, belonging to the technical field of elevators. Background Technique

[0002] The car is a box-shaped space used by the elevator to carry and transport people and materials, and it is a car body component of the elevator used to carry passengers or goods and other loads. The design of the space environment of the car-type elevator must be centered around meeting the functional requirements of passengers for the elevator; the design of the space environment of the car-type elevator must follow the general laws of indoor and outdoor space environment design, and the design style should be coordinated with the design style of the building space, and the space environment should be integrated with the surrounding environment.

[0003] For example, CN217296877U discloses an elevator car ventilation device. Through the first chute, the first card slot and the connecting block provided, the outer shell can be directly pushed upward and then pushed to the left, so that the connecting block is stuck on the two groups of first card slots on the left side of the support block, and the opening at the upper end of the elevator car is exposed, serving as an escape passage, which is convenient for firefighters to rescue the people in the elevator when the elevator breaks down, and it is also convenient for the staff to perform maintenance above the elevator. However, although the dust-proof plate can be taken out for cleaning or replacement, the environment in the elevator shaft is poor and there are many dust and other impurities. Therefore, it is necessary to frequently clean the dust-proof plate, which is very labor-consuming. And when ventilating and replacing the air in the car body, especially in winter, the flowing air in the car body is very likely to make the user feel cold, affecting the comfort in the car body. Content of the Utility Model

[0004] The purpose of the utility model is to provide an elevator car ventilation device. By setting a filter box, an induced draft fan, a small motor and a cleaning brush are arranged in the filter box. The cleaning brush can clean the dust removal filter screen, and the dust cleaned can be discharged into the elevator shaft, which is convenient for automatically cleaning the dust removal filter screen. At the same time, an electric heating wire mesh is arranged in the filter box, and the electric heating wire mesh can heat the air entering the car body, so that hot air can be blown into the car body in winter, improving the comfort when the car body is used in winter, so as to solve the problems put forward in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solutions:

[0006] An elevator car ventilation device includes a car body. An exhaust port is arranged above the car body. An exhaust fan is arranged inside the exhaust port. An installation bracket is arranged below the exhaust fan. A plurality of lighting lamps are arranged below the installation bracket. Filter boxes are arranged on both sides below the car body. A plurality of protective rods are arranged on one side of the filter box. An induced draft fan is arranged on the adjacent side of the protective rods. A small motor is arranged on one side of the induced draft fan. The output end of the small motor is connected with a cleaning brush. A dust removal filter screen is arranged on one side of the cleaning brush. An activated carbon filter screen is arranged on the adjacent side of the dust removal filter screen.

[0007] Further, an electric heating wire mesh is provided on one side of the activated carbon filter screen, a stainless steel filter screen is provided on one side of the electric heating wire mesh, and a dust-proof net is provided above the interior of the exhaust port.

[0008] Further, a spare battery is provided on one side above the box body, and the output end of the spare battery is electrically connected to the input ends of the exhaust fan, the induced draft fan, the small motor, and the electric heating wire mesh through wires.

[0009] Further, a plurality of fixed clamping plates are fixedly connected to the periphery of the edge of the filter box, the fixed clamping plates are embedded in the interior of the box body, a plurality of fastening bolts are connected inside the fixed clamping plates, and the fastening bolts are connected to the interior of the box body.

[0010] Further, the cleaning brush is cross-shaped, and one side of the cleaning brush abuts against the dust removal filter screen.

[0011] Further, the dust removal filter screen is connected to one side of the activated carbon filter screen, and the electric heating wire mesh is arranged between the activated carbon filter screen and the stainless steel filter screen.

[0012] Further, the filter box is embedded in the interior of the box body and is slidably connected inside the box body.

[0013] The beneficial effects of the present utility model are as follows:

[0014] 1. By providing a filter box, an induced draft fan and a small motor are provided in the filter box. The cleaning brush connected to the small motor can rotate to clean the dust removal filter screen. The induced draft fan can extract the air in the box body to the outside of the filter box, so that the dust can flow to the outside of the filter box, so that the dust cleaned by the cleaning brush can be discharged into the elevator shaft, which is convenient for automatically cleaning the dust removal filter screen, reducing the manual occupation of cleaning the filter screen, and saving labor costs.

[0015] 2. By providing an electric heating wire mesh in the filter box, when the outside air enters the filter box and flows into the box body, the electric heating wire mesh can heat the air entering the box body, so that hot air can be blown into the box body in winter, keeping the temperature in the box body suitable and improving the comfort of the box body when used in winter. Description of the Drawings

[0016] The drawings are used to provide a further understanding of the present utility model, and constitute a part of the specification. Together with the specific embodiments of the present utility model, they are used to explain the present utility model, and do not constitute a limitation to the present utility model.

[0017] Figure 1 It is the front view of a ventilation device for an elevator car of the present utility model;

[0018] Figure 2 It is a cross-sectional view of a ventilation device for an elevator car of the present utility model;

[0019] Figure 3 It is a cross-sectional view of the filter box of a ventilation device for an elevator car of the present utility model;

[0020] Figure 4 It is a schematic structural diagram of a cleaning brush of a ventilation device for an elevator car of the present utility model;

[0021] Reference numerals in the figure: 1, car body; 2, exhaust port; 3, exhaust fan; 4, mounting bracket; 5, lighting lamp; 6, filter box; 7, protective rod; 8, induced draft fan; 9, small motor; 10, cleaning brush; 11, dust removal filter screen; 12, activated carbon filter screen; 13, electric heating wire mesh; 14, stainless steel filter screen; 15, backup battery; 16, fixed clamping plate; 17, fastening bolt. Specific embodiments

[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0023] Embodiment 1: Please refer to Figures 1-4 , the present utility model provides a technical solution:

[0024] A ventilation device for an elevator car, including a car body 1, an exhaust port 2 is provided above the car body 1, an exhaust fan 3 is provided inside the exhaust port 2, a mounting bracket 4 is provided below the exhaust fan 3, a plurality of lighting lamps 5 are provided below the mounting bracket 4, filter boxes 6 are provided on both sides below the car body 1, a plurality of protective rods 7 are provided on one side of the filter box 6, an induced draft fan 8 is provided on the adjacent side of the protective rod 7, a small motor 9 is provided on one side of the induced draft fan 8, a cleaning brush 10 is connected to the output end of the small motor 9, a dust removal filter screen 11 is provided on one side of the cleaning brush 10, and an activated carbon filter screen 12 is provided on the adjacent side of the dust removal filter screen 11.

[0025] Specifically, an electric heating wire mesh 13 is provided on one side of the activated carbon filter screen 12, a stainless steel filter screen 14 is provided on one side of the electric heating wire mesh 13, a dust-proof net is provided above the interior of the exhaust port 2, a backup battery 15 is provided on one side above the box body 1, and the output end of the backup battery 15 is electrically connected to the input ends of the exhaust fan 3, the induced draft fan 8, the small motor 9, and the electric heating wire mesh 13 through wires. The electric heating wire mesh 13 can heat the air entering the filter box 6, so as to guide hot air into the box body 1 and keep the temperature inside the box body 1 appropriate. The backup battery 15 can supply power to electrical equipment such as the exhaust fan 3 when the elevator suddenly loses power, so as to keep the interior of the box body 1 ventilated when the power is suddenly cut off.

[0026] Specifically, a plurality of fixed clamping plates 16 are fixedly connected to the periphery of the edge of the filter box 6. The fixed clamping plates 16 are embedded in the box body 1, and a plurality of fastening bolts 17 are connected inside the fixed clamping plates 16. The fastening bolts 17 are connected to the inside of the box body 1. The fixed clamping plates 16 can be connected to the box body 1 through the fastening bolts 17, which is convenient for installing and disassembling the filter box 6.

[0027] Embodiment 2: Please refer to Figure 2 , the difference between this embodiment and Embodiment 1 is that: the cleaning brush 10 is cross-shaped, one side of the cleaning brush 10 abuts against the dust removal filter screen 11, the dust removal filter screen 11 is connected to one side of the activated carbon filter screen 12, the electric heating wire mesh 13 is arranged between the activated carbon filter screen 12 and the stainless steel filter screen 14, and the filter box 6 is embedded in the box body 1 and is slidably connected inside the box body 1. When the cleaning brush 10 rotates, it can clean the dust removal filter screen 11, and the induced draft fan 8 can guide the dust cleaned from the dust removal filter screen 11 by the cleaning brush 10 to the outside of the filter box 6, so that the dust can be discharged outside the filter box 6.

[0028] The working principle of the present utility model: When in use, the exhaust fan 3 operates to generate negative pressure inside the box body 1, so that external air can enter the box body 1 through the filter box 6, and finally the exhaust fan 3 extracts the air in the box body 1. When the air enters the filter box 6, the dust removal filter screen 11 can filter out impurities such as dust in the air, and the activated carbon filter screen 12 can adsorb the peculiar smell in the air, so as to keep the air entering the box body 1 clean; when it is necessary to clean the dust removal filter screen 11, the exhaust fan 3 can be turned off and the small motor 9 and the induced draft fan 8 can be started. The small motor 9 operates to drive the cleaning brush 10 to rotate. When the cleaning brush 10 rotates, it can rub against the dust removal filter screen 11 to clean the dust removal filter screen 11. When the induced draft fan 8 operates, it can extract the air in the box body 1, so that the dust can be led out of the filter box 6.

[0029] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above-mentioned exemplary embodiments, and the present utility model can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be embraced within the present utility model. Any reference signs in the claims should not be construed as limiting the claims involved.

[0030] In addition, it should be understood that although this specification is described according to embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. An elevator car ventilation device, comprising a car body (1), characterized in that: An exhaust port (2) is provided above the compartment (1), an exhaust fan (3) is provided inside the exhaust port (2), a mounting bracket (4) is provided below the exhaust fan (3), a plurality of lighting lamps (5) are provided below the mounting bracket (4), filter boxes (6) are provided on both sides below the compartment (1), a plurality of protective rods (7) are provided on one side of the filter box (6), an induced draft fan (8) is provided on the side adjacent to the protective rod (7), a small motor (9) is provided on one side of the induced draft fan (8), a cleaning brush (10) is connected to the output end of the small motor (9), a dust removal filter (11) is provided on one side of the cleaning brush (10), and an activated carbon filter (12) is provided on the side adjacent to the dust removal filter (11).

2. An elevator car ventilation device according to claim 1, characterized in that: An electric heating wire mesh (13) is provided on one side of the activated carbon filter (12), a stainless steel filter mesh (14) is provided on one side of the electric heating wire mesh (13), and a dustproof net is provided above the interior of the exhaust port (2).

3. An elevator car ventilation device according to claim 2, characterized in that: A backup battery (15) is provided on one side above the compartment (1), and an output end of the backup battery (15) is electrically connected to an exhaust fan (3), an induced draft fan (8), a small motor (9) and an input end of the electric heating wire mesh (13) via a wire.

4. An elevator car ventilation device according to claim 1, characterized in that: A plurality of fixed clamps (16) are fixedly connected around the edge of the filter box (6); the fixed clamps (16) are embedded in the interior of the box body (1); a plurality of fastening bolts (17) are connected inside the fixed clamps (16); and the fastening bolts (17) are connected to the interior of the box body (1).

5. The elevator car ventilation device according to claim 1, characterized in that: The cleaning brush (10) is in a cross shape, and one side of the cleaning brush (10) is in contact with the dust removal filter (11).

6. An elevator car ventilation device according to claim 2, characterized in that: The dust removal filter (11) is connected to one side of the activated carbon filter (12), and the electric heating wire mesh (13) is arranged between the activated carbon filter (12) and the stainless steel filter (14).

7. An elevator car ventilation device according to claim 1, characterized in that: The filter box (6) is embedded in the interior of the box body (1) and is slidably connected inside the box body (1).

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