Air flow circulation control device in elevator car

Abstract

The utility model discloses an air flow circulation control device in an elevator car, and relates to the technical field of air flow circulation. The air flow circulation control device in the elevator car comprises the elevator car, the air flow circulation control device is arranged on the elevator car, the air flow circulation control device comprises a filter box, the filter box is fixedly connected to the upper surface of the elevator car, a first circular pipe is arranged on the filter box, and the first circular pipe is fixedly connected to the upper surface of the filter box; the air inlets are formed in the upper side, compared with the mode that the air inlets are formed in the left inner cavity and the right inner cavity of the elevator car, when many people exist, air flow cannot be blocked, and the situation that people lean against the left inner cavity and the right inner cavity of the elevator car is not hindered; the L-shaped position of the L-shaped air guide plate can block and weaken airflow, strong airflow is prevented from directly acting on the head of a passenger, and the practicability of the airflow circulation control device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of air circulation, in particular to an air circulation control device inside an elevator car. Background Art

[0002] Publication No. CN210048333U is an elevator car internal air flow circulation control device. The utility model discloses an elevator car internal air flow circulation control device, comprising an elevator car, a heating box is provided on the side of the elevator car, an electric heating pipe is provided inside the heating box, electric heating nets are provided on both sides of the electric heating pipe, a bellows is provided on the top of the elevator car, a cooling fan is provided on the front of the bellows, air ducts are provided on both sides of the bellows, the air ducts pass downward through the elevator car roof and extend into the elevator car, A silencer is provided at the bottom of the air duct, an inner cavity is provided below the silencer, a side panel is provided on one side of the inner cavity, a driving shaft is provided on the side panel, a rotating plate is movably connected to the driving shaft, a shell is provided at the bottom of the bellows, the top of the shell passes through the bottom plate of the bellows and extends to the inside of the bellows, and the airflow circulation control device is provided with a rotating plate in the inner cavity of the elevator car, which can adjust the wind direction when the airflow circulates inside the elevator car, so that the design of the car-type elevator space environment fits the theme of "people-oriented".

[0003] However, the above-mentioned air flow circulation control device chooses to place an air duct inside the elevator car, and a side panel is provided on one side of the inner cavity. The side panel is provided with a driving shaft, and a rotating plate is movably connected to the driving shaft. In reality, people usually lean on the inner wall of the elevator when entering the elevator. If a rotating plate is provided in the inner cavity, people will accidentally lean on it, which will directly cause damage to the rotating plate. Moreover, when there are many people, the rotating plate will not be able to rotate, and people's bodies will also block the circulation of air. Utility Model Content

[0004] (1) Technical problems solved

[0005] The purpose of the present utility model is to solve at least one of the technical problems existing in the prior art and to provide an air flow circulation control device inside an elevator car, which can solve the problem that if a rotating plate is provided in the inner cavity and people accidentally lean on it, it will directly cause damage to the rotating plate, and when there are many people, the rotating plate will not be able to rotate, and people's bodies will also block the circulation of air.

[0006] (2) Technical solution

[0007] To achieve the above-mentioned object, the present invention provides the following technical solution: an elevator car internal airflow circulation control device, comprising an elevator car, wherein the airflow circulation control device is disposed on the elevator car, the airflow circulation control device comprising a filter box fixedly connected to the upper surface of the elevator car, and the filter box is provided with a first circular tube;

[0008] The first circular tube is fixedly connected to the upper surface of the filter box and communicates with the interior of the filter box. A first dustproof net is provided inside the first circular tube.

[0009] The interior of the first circular tube is fixedly connected to a first exhaust fan, the air outlet of the first exhaust fan is communicated with the interior of the filter box, the front and rear surfaces of the filter box are fixedly connected to first connecting pipes that are communicated therewith, and the opposite ends of the two front and rear corresponding first connecting pipes both penetrate into the interior of the elevator car.

[0010] Preferably, the airflow circulation control device further comprises a filter assembly, which is fixedly mounted inside the filter box and consists of a filter screen, an activated carbon filter layer and a filter sponge;

[0011] There are two filter components, and the two filter components are arranged in a front-to-back mirror image.

[0012] Preferably, the airflow circulation control device further comprises a connection box, the connection box being fixedly connected to the top of the elevator car, the front inner wall of the connection box being fixedly connected with inclined plates, the two inclined plates being respectively located at the lower sides of the two first connecting pipes;

[0013] Rectangular grooves communicating with the connection box are provided on both sides of the front side of the lower surface of the connection box, and the two rectangular grooves are respectively located on the lower sides of the two inclined plates.

[0014] Preferably, the inner walls of the two rectangular grooves are connected to two groups of L-shaped air guide plates, the number of each group of L-shaped air guide plates is four, and the two groups of L-shaped air guide plates are inclined away from each other.

[0015] Preferably, the airflow circulation control device further comprises a second circular tube, the second circular tube is fixedly connected to the right inner wall of the connection box, and a second connecting tube in communication with the second circular tube is fixedly connected to the left side of the second circular tube;

[0016] An end of the second connecting pipe away from the second circular pipe passes through the lower surface of the connecting box and communicates with the interior of the elevator car. The right end of the second circular pipe passes through the right side of the connecting box and passes through the right side of the elevator car.

[0017] A second dustproof net is provided inside the second circular tube, a second exhaust fan is fixedly installed inside the second circular tube, and an exhaust port of the second exhaust fan is communicated with the interior of the second connecting tube.

[0018] Preferably, a car door is provided on the left side of the elevator car, and electronic components are provided inside the elevator car, such as monitoring components, which can be installed on the lower surface of the connection box.

[0019] (3) Beneficial effects

[0020] Compared with the prior art, the beneficial effects of the present invention are:

[0021] (1) The air flow circulation control device inside the elevator car sets the air inlet on the upper side. Compared with the air inlet set on the left and right inner cavities of the elevator car, the air flow will not be blocked when there are many people, and it will not hinder people from leaning on the left and right inner cavities of the elevator car. By setting two L-shaped air guide plates, the L-shaped part of the L-shaped air guide plate will block and weaken the air flow, preventing strong air flow from directly acting on the passenger's head, thereby improving the practicality of the air flow circulation control device.

[0022] (2) The air flow circulation control device inside the elevator car, when the first exhaust fan draws the external air into the interior of the filter box, the filter can filter the larger impurities in the air, the activated carbon filter layer can absorb the organic matter, odor, etc. in the air to purify the exhaust gas, and in conjunction with the filter sponge to filter the smaller particles in the air, the gas is purified in layers, making the air in the elevator more fresh and pleasant, creating a comfortable elevator environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0024] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0025] Figure 2 It is a schematic diagram of the utility model;

[0026] Figure 3 This is a schematic diagram of the right side of the elevator car of the present invention;

[0027] Figure 4 This is a schematic diagram of the interior of the elevator car of the present invention when viewed from above;

[0028] Figure 5 This is a schematic diagram of the upper surface of the connection box of the utility model.

[0029] Figure numerals: 1. Elevator car; 2. Car door; 3. First connecting pipe; 4. Filter box; 5. First circular tube; 6. Second circular tube; 7. Connecting box; 8. L-shaped air guide plate; 9. Rectangular groove; 10. Second connecting pipe; 11. First exhaust fan; 12. Second exhaust fan; 13. Inclined plate; 14. Filter assembly; 15. Filter sponge; 16. Activated carbon filter layer; 17. Filter net. DETAILED DESCRIPTION

[0030] This section will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and overall technical solution of the present invention, but it cannot be understood as a limitation on the scope of protection of the present invention.

[0031] In the description of the present invention, it should be understood that descriptions involving orientations, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.

[0032] In the description of this utility model, terms such as "greater than," "less than," and "exceed" are understood to exclude the number indicated, while terms such as "above," "below," and "within" are understood to include the number indicated. The terms "first" and "second" are used solely to distinguish technical features and are not to be construed as indicating or implying relative importance, or as implicitly specifying the number or order of the technical features indicated.

[0033] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, and connecting should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0034] See also Figure 1-5 The utility model provides a technical solution: an elevator car internal airflow circulation control device, comprising an elevator car 1, an airflow circulation control device arranged on the elevator car 1, the airflow circulation control device comprising a filter box 4, the filter box 4 being fixedly connected to the upper surface of the elevator car 1, and a first circular tube 5 being arranged on the filter box 4;

[0035] The first circular tube 5 is fixedly connected to the upper surface of the filter box 4 and communicates with the interior of the filter box 4. A first dustproof net is provided inside the first circular tube 5.

[0036] Among them, the interior of the first circular tube 5 is fixedly connected to the first exhaust fan 11, the air outlet of the first exhaust fan 11 is communicated with the interior of the filter box 4, the front and rear surfaces of the filter box 4 are fixedly connected with the first connecting pipe 3 communicated therewith, and the two opposite ends of the front and rear corresponding first connecting pipes 3 both penetrate into the interior of the elevator car 1.

[0037] Furthermore, the airflow circulation control device further includes a filter assembly 14, which is fixedly mounted inside the filter box 4 and is composed of a filter screen 17, an activated carbon filter layer 16, and a filter sponge 15;

[0038] When the first exhaust fan 11 draws external air into the filter box 4, the filter 17 can filter out larger impurities in the air, and the activated carbon filter layer 16 can absorb organic matter and odor in the air to purify the exhaust gas. In conjunction with the filter sponge 15, it can filter out smaller particles in the air. The gas is purified in layers, making the air in the elevator more fresh and pleasant, creating a comfortable elevator environment.

[0039] There are two filter assemblies 14 , which are arranged as front and back mirror images.

[0040] Furthermore, the airflow circulation control device further includes a connection box 7, which is fixedly connected to the top of the elevator car 1. The front inner wall of the connection box 7 is fixedly connected with an inclined plate 13, and the two inclined plates 13 are respectively located on the lower sides of the two first connecting pipes 3;

[0041] The two sides of the front side of the lower surface of the connection box 7 are both provided with rectangular grooves 9 communicating therewith, and the two rectangular grooves 9 are respectively located on the lower sides of the two inclined plates 13 .

[0042] Furthermore, the inner walls of the two rectangular grooves 9 are connected to two groups of L-shaped air guide plates 8, and the number of a group of L-shaped air guide plates 8 is four. The two groups of L-shaped air guide plates 8 are inclined in opposite directions. By setting the air inlet on the upper side, compared with setting it in the left and right inner cavities of the elevator car, the air flow will not be blocked when there are many people, and it will not hinder people from leaning on the left and right inner cavities of the elevator car. By setting two blocking L-shaped air guide plates 8, the L-shape of the L-shaped air guide plate 8 will block and weaken the airflow, preventing strong airflow from directly acting on the passenger's head, thereby improving the practicality of the airflow circulation control device.

[0043] Furthermore, the air circulation control device further includes a second circular tube 6, which is fixedly connected to the right inner wall of the connection box 7, and a second connecting tube 10 is fixedly connected to the left side of the second circular tube 6;

[0044] Among them, the end of the second connecting pipe 10 away from the second circular pipe 6 passes through the lower surface of the connection box 7 and communicates with the interior of the elevator car 1. The right end of the second circular pipe 6 passes through the right side of the connection box 7 and passes through the right side of the elevator car 1.

[0045] Among them, a second dustproof net is provided inside the second circular tube 6, and a second exhaust fan 12 is fixedly installed inside the second circular tube 6. The exhaust port of the second exhaust fan 12 is communicated with the interior of the second connecting pipe 10. By starting the second exhaust fan 12, the air inside the elevator car 1 is extracted through the second connecting pipe 10, and cooperated with the first exhaust fan 11 to realize the air circulation inside the elevator car.

[0046] Furthermore, a car door 2 is provided on the left side of the elevator car 1 , and electronic components are provided inside the elevator car 1 , such as monitoring components, which can be installed on the lower surface of the connection box 7 .

[0047] Working principle: When the first exhaust fan 11 draws external air into the interior of the filter box 4, the filter 17 can filter larger impurities in the air, and the activated carbon filter layer 16 can absorb organic matter, odor, etc. in the air to purify the exhaust gas. In conjunction with the filter sponge 15, it filters smaller particles in the air and purifies the gas in layers to make the air in the elevator more fresh and pleasant, creating a comfortable elevator riding environment. By setting the air inlet on the upper side, compared with setting it in the left and right inner cavities of the elevator car, the air flow will not be blocked when there are many people, and it will not hinder people from leaning on the left and right inner cavities of the elevator car. By setting two L-shaped air guide plates 8, the L-shaped part of the L-shaped air guide plate 8 will block and weaken the airflow, preventing strong airflow from directly acting on the passenger's head. By starting the second exhaust fan 12, the air inside the elevator car 1 is extracted through the second connecting pipe 10, and in conjunction with the first exhaust fan 11, the air circulation inside the elevator car is realized.

[0048] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the scope of knowledge possessed by ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. An elevator car internal airflow circulation control device, comprising an elevator car (1), characterized in that: The airflow circulation control device is arranged on the elevator car (1), and comprises a filter box (4), the filter box (4) is fixedly connected to the upper surface of the elevator car (1), and a first circular tube (5) is arranged on the filter box (4); The first circular tube (5) is fixedly connected to the upper surface of the filter box (4) and communicates with the interior of the filter box (4); a first dustproof net is arranged inside the first circular tube (5); A first exhaust fan (11) is fixedly connected to the interior of the first circular tube (5); an air outlet of the first exhaust fan (11) is in communication with the interior of the filter box (4); the front and rear surfaces of the filter box (4) are both fixedly connected to first connecting pipes (3) in communication therewith; and the two opposite ends of the front and rear corresponding first connecting pipes (3) both penetrate into the interior of the elevator car (1).

2. The elevator car internal airflow circulation control device according to claim 1, characterized in that: The airflow circulation control device further comprises a filter assembly (14), the filter assembly (14) is fixedly installed inside the filter box (4), and the filter assembly (14) is composed of a filter screen (17), an activated carbon filter layer (16) and a filter sponge (15); The number of the filter components (14) is two, and the two filter components (14) are arranged in front and back mirror images.

3. The elevator car internal airflow circulation control device according to claim 1, characterized in that: The airflow circulation control device further comprises a connection box (7), the connection box (7) being fixedly connected to the top of the elevator car (1), the front inner wall of the connection box (7) being fixedly connected with inclined plates (13), the two inclined plates (13) being respectively located at the lower sides of the two first connection pipes (3); Rectangular grooves (9) communicating with the connection box (7) are provided on both sides of the front side of the lower surface thereof, and the two rectangular grooves (9) are respectively located on the lower sides of the two inclined plates (13).

4. The elevator car internal airflow circulation control device according to claim 3, characterized in that: The inner walls of the two rectangular grooves (9) are connected to two groups of L-shaped air guide plates (8), one group of L-shaped air guide plates (8) has four in number, and the two groups of L-shaped air guide plates (8) are inclined away from each other.

5. The elevator car internal airflow circulation control device according to claim 1, characterized in that: The airflow circulation control device further comprises a second circular tube (6), the second circular tube (6) being fixedly connected to the right inner wall of the connection box (7), and a second connecting tube (10) communicating with the second circular tube (6) being fixedly connected to the left side thereof; One end of the second connecting pipe (10) away from the second circular pipe (6) passes through the lower surface of the connecting box (7) and communicates with the interior of the elevator car (1); the right end of the second circular pipe (6) passes through the right side of the connecting box (7) and passes through the right side of the elevator car (1); A second dustproof net is arranged inside the second circular tube (6), a second exhaust fan (12) is fixedly installed inside the second circular tube (6), and an exhaust port of the second exhaust fan (12) is communicated with the inside of the second connecting tube (10).

6. The elevator car internal airflow circulation control device according to claim 1, characterized in that: A car door (2) is arranged on the left side of the elevator car (1), and electronic components are arranged inside the elevator car (1).

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