Cross-flow fan for elevator

Abstract

The utility model discloses a cross-flow fan for an elevator, and relates to the technical field of elevators, the cross-flow fan comprises a motor and a case, an impeller and a module base are arranged in the case, the module base is used for bearing a functional entity, an air inlet is arranged in the front of the case, an air outlet is arranged on the bottom surface of the case, and the air inlet is communicated with the air outlet. The module base is embedded in the bottom face of the machine box and located on one side of the air inlet. The module base is provided with a hollow cavity, a plurality of first through holes are formed in the front face of the module base, a plurality of second through holes are formed in the upper face of the module base, and the first through holes and the second through holes are communicated with each other based on the hollow cavity. According to the cross-flow fan, the module base is arranged in the cross-flow fan and used for bearing the functional entity, the first through hole and the second through hole which are communicated are formed in the module base, air can enter the cross-flow fan smoothly, original working airflow of the cross-flow fan cannot be disturbed, and the performance of the cross-flow fan is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of elevators, in particular to a cross-flow fan for elevators. Background Art

[0002] In buildings, elevators are important vertical transportation tools, bringing a lot of convenience to people.

[0003] The elevator car is a confined space, and a crossflow fan is usually installed on the top of the elevator car for ventilation to maintain air circulation in the elevator car. In addition, in order to provide people with a comfortable riding environment, various functional entities are sometimes added to the crossflow fan, such as temperature detection module, air quality detection module, disinfection and purification module, etc., to ensure that the crossflow fan can output high-quality air flow.

[0004] However, the existing cross-flow fans lack a suitable carrier when adding functional entities, and the added functional entities will affect the working airflow of the cross-flow fans, resulting in a decrease in the performance of the cross-flow fans. Utility Model Content

[0005] The purpose of the utility model is to overcome the shortcomings of the prior art. The utility model provides a cross-flow fan for an elevator. A module base is provided in the cross-flow fan for carrying a functional entity, and a first through hole and a second through hole are provided on the module base to connect, which is conducive to the smooth entry of air into the cross-flow fan, will not disturb the original working airflow of the cross-flow fan, and ensure the performance of the cross-flow fan.

[0006] The utility model provides a crossflow fan for an elevator, the crossflow fan comprises a motor and a chassis, an impeller and a module base are arranged inside the chassis, and the module base is used to carry a functional entity, wherein:

[0007] The front of the chassis is provided with an air inlet, the bottom of the chassis is provided with an air outlet, the module base is embedded in the bottom of the chassis, and the module base is located on one side of the air inlet;

[0008] The module base has a hollow cavity, a plurality of first through holes are arranged in front of the module base, a plurality of second through holes are arranged on the top of the module base, and the plurality of first through holes and the plurality of second through holes are interconnected based on the hollow cavity.

[0009] Specifically, at least one functional entity installation position is formed in a recessed manner on the upper surface of the module base, and the functional entity installation position is communicated with the hollow cavity.

[0010] Specifically, a functional entity installation position is formed in a recessed manner on the upper surface of the module base, and the functional entity installation position is located in the middle of the upper surface of the module base, and the plurality of second through holes are evenly distributed on the left and right sides of the functional entity installation position.

[0011] Specifically, the upper surface of the module base is concavely formed with two functional entity installation positions, the two functional entity installation positions are symmetrically distributed on the module base, and the plurality of second through holes are located between the two functional entity installation positions.

[0012] Specifically, the functional entity installation position is installed with an active mist ion generating mechanism.

[0013] Specifically, the diameter of any first through hole among the plurality of first through holes is in the range of 1 mm to 10 mm; and / or

[0014] The diameter of any second through hole among the plurality of second through holes ranges from 1 mm to 10 mm.

[0015] Specifically, the distance between adjacent first through holes among the plurality of first through holes is 2 mm-10 mm; and / or

[0016] The distance between adjacent second through holes in the plurality of second through holes is 2 mm-10 mm.

[0017] Specifically, the thickness of the module base is less than or equal to 25 mm.

[0018] Specifically, the module base includes a main shell and a bottom cover arranged at the bottom of the main shell, the hollow cavity is located in the main shell, a functional entity installation window is opened on the top of the main shell, and the functional entity installation window is connected to the hollow cavity; the plurality of first through holes are located in front of the main shell, and the plurality of second through holes are located on the top of the main shell.

[0019] Specifically, one or more of a temperature detection module, an air quality detection module, an Internet of Things module, and a circuit board are installed in the hollow cavity.

[0020] Compared with the prior art, the beneficial effects of the utility model are:

[0021] In the cross-flow fan for elevators of the utility model, a module base is provided for carrying a functional entity, and the module base is provided with a first through hole and a second through hole that are connected; when air enters from the air inlet in the front of the chassis, the air also enters from the several first through holes in the front of the module base, and then is discharged into the chassis from the several second through holes on the module base, which is conducive to the smooth entry of air into the cross-flow fan, will not disturb the original working airflow of the cross-flow fan, and ensures the performance of the cross-flow fan. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0023] Figure 1 It is a schematic diagram of the overall structure of the crossflow fan in the embodiment of the utility model;

[0024] Figure 2 It is a schematic cross-sectional structure diagram of a cross-flow fan in an embodiment of the utility model;

[0025] Figure 3 This is a schematic diagram of the overall structure of the module base in the embodiment of the utility model;

[0026] Figure 4 It is a schematic diagram of the exploded structure of the module base in the embodiment of the utility model;

[0027] Figure 5 It is a schematic diagram of the exploded structure of the crossflow fan in the embodiment of the utility model.

[0028] In the accompanying drawings, 10, motor; 20, chassis; 21, air inlet; 22, air outlet; 30, functional entity; 100, impeller; 200, module base; 201, first through hole; 202, second through hole; 210, main shell; 211, functional entity installation window; 220, bottom cover; 310, ventilation mesh plate; 320, arc guide plate; 321, second guide plate; 330, support plate; 340, first guide plate. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] The utility model provides a cross-flow fan for an elevator. Figure 1 The overall structural diagram of the crossflow fan in the embodiment of the utility model is shown, the crossflow fan comprises a motor 10 and a chassis 20, an impeller 100 and a module base 200 are arranged inside the chassis 20, and the module base 200 is used to carry the functional entity 30; Figure 2The cross-sectional structure diagram of the cross-flow fan in the embodiment of the utility model is shown, the front of the chassis 20 is provided with an air inlet 21, the bottom surface of the chassis 20 is provided with an air outlet 22, the module base 200 is embedded in the bottom surface of the chassis 20, and the module base 200 is located on one side of the air inlet 21; Figure 3 The overall structural schematic diagram of the module base in the embodiment of the utility model is shown, the module base 200 has a hollow cavity, a plurality of first through holes 201 are arranged in front of the module base 200, a plurality of second through holes 202 are arranged on the top of the module base 200, and the plurality of first through holes 201 and the plurality of second through holes 202 are interconnected based on the hollow cavity.

[0031] In the cross-flow fan for elevators of the utility model, a module base 200 is provided for carrying a functional entity 30, and the module base 200 is provided with a first through hole 201 and a second through hole 202 which are connected; when air enters from the air inlet 21 in front of the chassis 20, the air also enters from the several first through holes 201 in front of the module base 200, and then is discharged into the chassis 20 from the several second through holes 202 on the module base 200, which is conducive to the smooth entry of air into the cross-flow fan, will not disturb the original working airflow of the cross-flow fan, and ensures the performance of the cross-flow fan.

[0032] In some specific embodiments, see Figure 3 At least one functional entity installation position is recessed on the top of the module base 200, and the functional entity installation position is connected to the hollow cavity. The existence of the functional entity installation position facilitates the installation of the functional entity 30 and can reduce the interference of the functional entity 30 on the air flow.

[0033] Optionally, a functional entity installation position is formed in a recessed manner on the upper surface of the module base 200 , and the functional entity installation position is located in the middle of the upper surface of the module base 200 , and the plurality of second through holes 202 are evenly distributed on the left and right sides of the functional entity installation position.

[0034] Optionally, the upper surface of the module base 200 is concavely formed with two functional entity installation positions, the two functional entity installation positions are symmetrically distributed on the module base 200, and the plurality of second through holes 202 are located between the two functional entity installation positions.

[0035] In some specific embodiments, the functional entity installation position is installed with an active mist ion generating movement, which is an existing functional entity 30 and is used for air disinfection and purification; the active mist ion generating movement can collect water vapor in the air and convert water into active nano-scale water mist particles, namely active mist ions, by electrochemical means. The active mist ions can gather dust and cause the dust to settle; moreover, the active mist ions contain active substances such as oxygen-containing free radicals and hydroxyl free radicals, which can disinfect viruses and bacteria by extracting hydrogen, and decompose formaldehyde, benzene, toluene, odorous substances, etc., thereby achieving air disinfection and purification.

[0036] In some specific embodiments, the diameter of any first through hole 201 among the plurality of first through holes 201 ranges from 1 mm to 10 mm, which is convenient for air to enter; the diameter of any second through hole 202 among the plurality of second through holes 202 ranges from 1 mm to 10 mm, which is convenient for air to discharge.

[0037] In some specific embodiments, the distance between adjacent first through holes 201 among the plurality of first through holes 201 is 2mm-10mm, which facilitates uniform air entry; the distance between adjacent second through holes 202 among the plurality of second through holes 202 is 2mm-10mm, which facilitates uniform air discharge.

[0038] In some specific embodiments, the thickness of the module base 200 is less than or equal to 25 mm, which is suitable for most cross-flow fans used in elevators on the market and has good compatibility.

[0039] Figure 4 The exploded structural schematic diagram of the module base in the embodiment of the utility model is shown, the module base 200 includes a main shell 210 and a bottom cover 220 arranged at the bottom of the main shell 210, the hollow cavity is located in the main shell 210, a functional entity installation window 211 is opened on the top of the main shell 210, the functional entity installation window 211 corresponds to the functional entity installation position, and the functional entity installation window 211 is connected to the hollow cavity; the plurality of first through holes 201 are located in front of the main shell 210, and the plurality of second through holes 202 are located on the top of the main shell 210. The module base 200 is simple in structure, light, easy to manufacture and assemble, and is conducive to reducing costs.

[0040] Specifically, when installing the functional entity 30 , first fix the functional entity 30 at the corresponding position of the bottom cover 220 , and then cover the bottom cover 220 together with the functional entity 30 onto the main shell 210 , and the working end of the functional entity 30 extends from the functional entity installation window 211 .

[0041] In some specific embodiments, one or more of a temperature detection module, an air quality detection module, an Internet of Things module, and a circuit board are installed in the hollow cavity, and can be installed according to specific needs.

[0042] Figure 5 The exploded structural diagram of the crossflow fan in the embodiment of the utility model is shown, the chassis 20 includes a ventilation mesh plate 310, an arc-shaped guide plate 320 and two support plates 330, the two support plates 330 are located on both sides of the chassis 20, the two ends of the impeller 100 are rotatably connected to the two support plates 330, the motor 10 is fixedly arranged on any one of the two support plates 330, and the output end of the motor 10 is fixedly connected to one end of the impeller 100; the ventilation mesh plate 310 is located in front of the chassis 20, and the two sides of the ventilation mesh plate 310 and the two support plates 330 are connected to the impeller 100. The arc guide plate 320 is located at the back of the chassis 20, and the two sides of the arc guide plate 320 are connected to the two support plates 330; the upper side of the ventilation mesh plate 310 and the upper side of the arc guide plate 320 overlap in the vertical direction; a first guide plate 340 is arranged between the two support plates 330, and the first guide plate 340 is located below the impeller 100; the lower side of the arc guide plate 320 is bent to form a second guide plate 321; the first guide plate 340 and the second guide plate 321 form the air outlet 22. The chassis 20 can form a good air duct, has good working stability, ensures the performance and efficiency of the crossflow fan, and can also reduce noise and vibration.

[0043] Specifically, the module base 200 is located below the impeller 100, the left and right sides of the module base 200 are fixedly connected to the two support plates 330, the front side of the module base 200 is connected to the ventilation mesh plate 310, and the rear side of the module base 200 is connected to the first guide plate 340. The module base 200 can be well matched with the crossflow fan, so that the original installation position, installation method and wiring method can be maintained when the crossflow fan is installed, without changing the input voltage, power, air volume, noise, etc. of the crossflow fan, and the electrical performance remains unchanged.

[0044] The working principle of the cross-flow fan for elevators of the utility model is:

[0045] The impeller 100 rotates under the drive of the motor 10, and the air enters from the air inlet 21 on the front of the chassis 20, and is then discharged from the air outlet 22 on the bottom of the chassis 20, thereby generating a working airflow; at this time, the air also enters from the plurality of first through holes 201 on the front of the module base 200, and is then discharged into the chassis 20 from the plurality of second through holes 202 on the module base 200, so that the air smoothly enters the cross-flow fan without disturbing the original working airflow of the cross-flow fan.

[0046] In the cross-flow fan for elevators of the utility model, a module base 200 is provided for carrying a functional entity 30, and a first through hole 201 and a second through hole 202 are provided on the module base 200, which is conducive to the smooth entry of air into the cross-flow fan, will not disturb the original working airflow of the cross-flow fan, and ensure the performance of the cross-flow fan; and the cross-flow fan can maintain the original installation position, installation method and wiring method during installation, without changing the input voltage, power, air volume, noise, etc. of the cross-flow fan, and the electrical performance remains unchanged.

[0047] The above is a detailed introduction to a cross-flow fan for an elevator provided by an embodiment of the utility model. Specific examples are used in this article to illustrate the principle and implementation method of the utility model. The description of the above embodiments is only used to help understand the method and core idea of ​​the utility model; at the same time, for general technical personnel in this field, according to the idea of ​​the utility model, there will be changes in the specific implementation method and application scope. In summary, the content of this specification should not be understood as a limitation on the utility model.

Claims

1. A cross flow fan for an elevator, characterized in that: The crossflow fan comprises a motor and a chassis, wherein an impeller and a module base are arranged inside the chassis, and the module base is used to carry a functional entity, wherein: The front of the chassis is provided with an air inlet, the bottom of the chassis is provided with an air outlet, the module base is embedded in the bottom of the chassis, and the module base is located on one side of the air inlet; The module base has a hollow cavity, a plurality of first through holes are arranged in front of the module base, a plurality of second through holes are arranged on the top of the module base, and the plurality of first through holes and the plurality of second through holes are interconnected based on the hollow cavity.

2. The cross flow fan for an elevator according to claim 1, characterized in that: At least one functional entity installation position is formed in a recessed manner on the upper surface of the module base, and the functional entity installation position is communicated with the hollow cavity.

3. The cross flow fan for an elevator according to claim 2, characterized in that: The upper surface of the module base is recessed to form a functional entity installation position, which is located in the middle of the upper surface of the module base, and the plurality of second through holes are evenly distributed on the left and right sides of the functional entity installation position.

4. The cross flow fan for an elevator according to claim 2, characterized in that: The upper surface of the module base is concavely formed with two functional entity installation positions, the two functional entity installation positions are symmetrically distributed on the module base, and the plurality of second through holes are located between the two functional entity installation positions.

5. The cross flow fan for an elevator according to any one of claims 2 to 4, characterized in that: The functional entity installation position is installed with an active mist ion generating core.

6. The cross flow fan for an elevator according to claim 1, characterized in that: The diameter of any first through hole among the plurality of first through holes is in the range of 1 mm to 10 mm; and / or The diameter of any second through hole among the plurality of second through holes ranges from 1 mm to 10 mm.

7. The cross flow fan for an elevator according to claim 1, characterized in that: The distance between adjacent first through holes in the plurality of first through holes is 2 mm-10 mm; and / or The distance between adjacent second through holes in the plurality of second through holes is 2 mm-10 mm.

8. The cross flow fan for an elevator according to claim 1, characterized in that: The thickness of the module base is less than or equal to 25 mm.

9. The cross flow fan for an elevator according to claim 1, characterized in that: The module base includes a main shell and a bottom cover arranged at the bottom of the main shell, the hollow cavity is located in the main shell, a functional entity installation window is opened on the top of the main shell, and the functional entity installation window is connected to the hollow cavity; the plurality of first through holes are located in front of the main shell, and the plurality of second through holes are located on the top of the main shell.

10. The cross flow fan for an elevator according to claim 1, characterized in that: One or more of a temperature detection module, an air quality detection module, an Internet of Things module, and a circuit board are installed in the hollow cavity.

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