Oblique flow fan capable of intelligently controlling fan blade adjustment
By using intelligent control of the fan blades, the mixed-flow fan utilizes detection components and a controller to regulate the motor-driven blade rotation, solving the energy waste problem caused by fixed fan blades and achieving stable airflow regulation and improved energy efficiency.
Patent Information
- Application Number
- CN202520820450.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-28
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-04-28
AI Technical Summary
The fixed blades of existing mixed-flow fans lead to energy waste and increased operating costs under different air volume requirements.
By monitoring the ambient temperature in real time through the detection component, the controller intelligently adjusts the motor and bevel gear set to drive the blades to rotate, thereby achieving stable regulation of airflow.
It improves energy efficiency, reduces operating costs, and avoids noise caused by impeller rotation deviation.
Smart Images

Figure CN223881402U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of mixed flow fan, more specifically to a mixed flow fan with intelligent control of fan blade adjustment. BACKGROUND
[0002] The mixed flow fan is a fan between the axial flow fan and the centrifugal fan. The impeller of the mixed flow fan makes the air do both centrifugal and axial motion, and the motion of the air in the shell mixes the two motion forms of axial flow and centrifugal. The mixed flow fan has the characteristics of high pressure, large air volume, high efficiency, compact structure, low noise, small size, and easy installation. It is widely used in high-end buildings such as hotels, restaurants, shopping malls, office buildings, and stadiums for ventilation and air exchange. The existing mixed flow fan mainly consists of an impeller, a casing, and a motor. When the motor drives the impeller to rotate, the mixed flow blades make the air do both centrifugal and axial motion, and the motion of the air in the shell mixes the two motion forms of axial flow and centrifugal, thereby producing a mixed airflow and achieving ventilation and air exchange.
[0003] For example, the prior art with publication number CN214007629U discloses a duct mixed flow fan. The utility model drives the rotating plate to rotate by the torsional spring reset, drives the clamping block to rotate to the side surface parallel abutment of the fixed frame, completes the installation of the isolation net, presses the sliding block to drive the rotating plate to rotate around the rotating shaft, and twists the torsional spring, until the clamping block and the inclined block completely retreat to the accommodating groove, moves the fixed frame to drive the isolation net to separate from the sleeve, and completes the disassembly of the isolation net.
[0004] However, the fan blades of the existing mixed flow fan are mostly fixedly arranged on the impeller. Since the fan blades produce different air volumes at different oblique angles, when a small air volume is actually needed, the fan blades with fixed angles still operate with a large air volume, which consumes too much electric energy of the motor, resulting in energy waste and increased operating cost. Therefore, the utility model provides a mixed flow fan with intelligent control of fan blade adjustment. UTILITY MODEL CONTENTS
[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides a mixed flow fan with intelligent control of fan blade adjustment. The detection assembly monitors the environment around the fan body in real time, and the controller can intelligently control the motor according to the environmental temperature. With the help of the motor and the bevel gear set, the blades on the multiple rotating shafts rotate together. Not only can the fan body air volume be stably and intelligently adjusted, but also can be dynamically adjusted according to the actual environmental requirements, which significantly improves the energy utilization efficiency and solves the problems in the above-mentioned background technology.
[0006] In order to achieve the above object, the utility model provides the following technical scheme: a fan blade adjustment's intelligent control mixed flow fan, including fan main part, the motor and the impeller are equipped in fan main part inside, the impeller can be detached and fixed at the front end of motor output shaft, the impeller includes installation cylinder, the installation cylinder outer wall is equipped with a plurality of annular array distribution blade, and each blade is close to installation cylinder side and is fixed with the pivot, and the pivot is connected through the adjusting mechanism between multiple, the adjusting mechanism includes motor, and the motor output shaft is connected through bevel gear set drive between multiple pivot, the motor outer wall is equipped with hollow cylinder, the detection assembly is fixedly arranged on the outer wall of fan main part.
[0007] In a preferred embodiment, the detection assembly includes a temperature sensor that can be detachably mounted on the outer wall of the fan main body. The temperature sensor can be used to monitor the ambient temperature around the fan main body in real time, and the fan main body can be controlled according to the temperature value.
[0008] In a preferred embodiment, the fan main body is provided with a controller, and the temperature sensor is connected to the input end of the controller. The motor and the motor are connected to the output end of the controller. The controller can be used for intelligent control.
[0009] In a preferred embodiment, the hollow cylinder is provided with a reinforcing ring, and the reinforcing ring is provided with a plurality of connecting plates. The connecting plates are detachably connected to the inner wall of the fan main body. The connecting plates can improve the stability of the reinforcing ring, the hollow cylinder and the installation cylinder.
[0010] In a preferred embodiment, the hollow cylinder is provided with two battery compartments at the front end, and the battery compartments are provided with rechargeable batteries. The rechargeable batteries can provide power for the motor, so that the motor can operate normally.
[0011] In a preferred embodiment, the hollow cylinder and the installation cylinder are detachably fixed together by fastening bolts. The number of fastening bolts is multiple. The fastening bolts are arranged in an annular array on the hollow cylinder, and the fastening bolts are arranged outside the battery compartment. By loosening the fastening bolts, the hollow cylinder and the installation cylinder can be easily disassembled for maintenance and replacement.
[0012] In a preferred embodiment, the fan main body is detachably connected to the filter plate at the front and rear ends. The filter plate is arranged outside the motor and the impeller. The filter plate can block dust and debris to a certain extent.
[0013] The utility model discloses the technical effect and advantage:
[0014] 1. The utility model discloses a detection assembly real -time monitoring the environment around fan main part, and the controller can intelligently control motor through environmental temperature, and the blade on multiple rotating shafts is rotated with the help of motor and bevel gear set drive, can not only realize the stable, intelligent adjustment of fan main part air volume, can also carry out dynamic adjustment according to actual environment demand, and the energy utilization efficiency is improved significantly.
[0015] 2. By setting reinforcing ring on hollow cylinder, reinforcing ring is fixed with fan main part inside through multiple connecting plates, which can support hollow cylinder and installation cylinder to rotate stably, to a certain extent, can avoid noise caused by impeller rotation deviation. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is the overall structure schematic diagram of the utility model;
[0017] Figure 2 It is the internal structure schematic diagram of the utility model's fan main part;
[0018] Figure 3 It is the rear view of the overall structure of the utility model;
[0019] Figure 4 It is the hollow cylinder sectional view of the utility model;
[0020] Figure 5 It is the installation cylinder sectional view of the utility model.
[0021] The figure mark is: 1, fan main part; 2, motor; 3, impeller; 4, adjusting mechanism; 5, detection assembly; 51, temperature sensor; 6, controller; 7, reinforcing ring; 8, connecting plate; 9, battery compartment; 10, fastening bolt; 11, filter plate;
[0022] 31, installation cylinder; 32, blade; 33, rotating shaft;
[0023] 41, motor; 42, bevel gear set; 43, hollow cylinder. DETAILED DESCRIPTION
[0024] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor are within the protection scope of the utility model.
[0025] Refer to the drawings in the description Figures 1-5The utility model provides a kind of intelligent control fan blade adjustment's inclined flow fan, including fan main body 1, the motor 2 and impeller 3 are equipped in fan main body 1 inside, the impeller 3 can be detached and fixed at the front end of motor 2 output shaft, the impeller 3 includes installation cylinder 31, the installation cylinder 31 outer wall is equipped with multiple leaf 32 of annular array distribution, every leaf 32 is close to installation cylinder 31 side and is fixedly provided with rotating shaft 33, multiple rotating shaft 33 are connected by adjusting mechanism 4 between, the adjusting mechanism 4 includes motor 41, the motor 41 output shaft is driven between multiple rotating shaft 33 by bevel gear set 42, the motor 41 outer wall is equipped with hollow cylinder 43.
[0026] The fan main body 1 outer wall is fixedly provided with detection assembly 5, the detection assembly 5 includes temperature sensor 51, the temperature sensor 51 can be detachably installed on the outer wall of fan main body 1, the fan main body 1 outer wall is fixedly provided with controller 6, the temperature sensor 51 is connected at the input end of controller 6, the motor 2 and motor 41 are all connected at the output end of controller 6, and intelligent control can be realized by means of controller 6.
[0027] In actual use, the installation cylinder 31 is rotated by the motor 2, and the multiple blades 32 on the installation cylinder 31 rotate together to generate wind power. At the same time, the temperature sensor 51 is used to monitor the ambient temperature around the fan main body 1 in real time, and the detected temperature data is transmitted to the controller 6. After analyzing and processing these data, the controller 6 intelligently controls the motor 41, and drives the multiple rotating shafts 33 to rotate together through the motor 41 and the bevel gear set 42. In this way, the inclination angle of the multiple blades 32 is adjusted synchronously. By adjusting the angle of the blades 32, the air volume can be adjusted without manual control, improving the work efficiency.
[0028] In this embodiment, filter plates 11 are detachably connected to the front and rear ends of the fan main body 1. The filter plates 11 are arranged outside the motor 2 and the impeller 3, which can block dust and debris to some extent.
[0029] Refer to the description attached Figures 1-5 The hollow cylinder 43 and the installation cylinder 31 are detachably fixed together by fastening bolts 10. The number of fastening bolts 10 is multiple. The multiple fastening bolts 10 are arranged in an annular array on the hollow cylinder 43. A reinforcing ring 7 is sleeved on the outer wall of the hollow cylinder 43. The reinforcing ring 7 is connected to the hollow cylinder 43 through bearings, avoiding the rotation of the reinforcing ring 7 with the hollow cylinder 43. Multiple connecting plates 8 are fixedly arranged on the outer wall of the reinforcing ring 7. The multiple connecting plates 8 are detachably connected to the inner wall of the fan main body 1. The arrangement of the multiple connecting plates 8 can improve the stability of the reinforcing ring 7, the hollow cylinder 43 and the installation cylinder 31.
[0030] The front end of the hollow cylinder 43 is fixedly embedded with two battery compartments 9, the inside of each of the two battery compartments 9 is provided with a charging battery, and the two battery compartments 9 are arranged inside a plurality of fastening bolts 10.
[0031] Finally: the above only for the preferred embodiments of the present application have, and not for limiting the present application, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the scope of protection of the present application.
Claims
1. A smart control of the fan blade adjustment of the mixed flow fan, including the fan main body (1), the inside of the fan main body (1) is equipped with motor (2) and impeller (3), the impeller (3) can be detachably fixed at the front end of motor (2) output shaft, it is characterized by: The impeller (3) comprises a mounting cylinder (31), an outer wall of the mounting cylinder (31) is provided with a plurality of blades (32) arranged in an annular array, each blade (32) is fixedly provided with a rotating shaft (33) close to one side of the mounting cylinder (31), and the plurality of rotating shafts (33) are connected through an adjusting mechanism (4). The adjusting mechanism (4) comprises a motor (41), a output shaft of the motor (41) is driven through a bevel gear set (42) between the plurality of rotating shafts (33), a hollow cylinder (43) is sleeved on an outer wall of the motor (41), and a detection assembly (5) is fixedly arranged on an outer wall of the fan body (1).
2. A mixed flow fan with intelligent control of the blades according to claim 1, characterized in that: The detection assembly (5) comprises a temperature sensor (51), and the temperature sensor (51) is detachably arranged on the outer wall of the fan body (1).
3. A mixed flow fan with intelligent control of the blades according to claim 2, characterized in that: The fan body (1) is fixedly provided with a controller (6) on the outer wall, the temperature sensor (51) is connected to an input end of the controller (6), and the motor (2) and the motor (41) are connected to output ends of the controller (6).
4. A mixed flow fan with intelligent control of the blades according to claim 1, characterized in that: The hollow cylinder (43) is sleeved with a reinforcing ring (7) on the outer wall, a plurality of connecting plates (8) are fixedly arranged on the outer wall of the reinforcing ring (7), and the plurality of connecting plates (8) are detachably connected to the inner wall of the fan body (1).
5. A mixed flow fan with intelligent control of the blades according to claim 1, characterized in that: Two battery compartments (9) are fixedly embedded at the front end of the hollow cylinder (43), and a charging battery is arranged in each battery compartment (9).
6. A mixed flow fan with intelligent control of the blades according to claim 5, characterized in that: The hollow cylinder (43) and the mounting cylinder (31) are detachably fixed together through a plurality of fastening bolts (10), the plurality of fastening bolts (10) are arranged in an annular array on the hollow cylinder (43), and the plurality of fastening bolts (10) are arranged outside the battery compartments (9).
7. A mixed flow fan with intelligent control of the blades according to claim 1, characterized in that: The fan body (1) is detachably connected with a filter plate (11) at the front end and the rear end, and the filter plate (11) is arranged outside the motor (2) and the impeller (3).
Citation Information
Patent Citations
Pipeline diagonal flow fan
CN214007629U