CN220979899U

CN220979899U - Fan with reinforced motor rotor shaft

Info

Publication number: CN220979899U
Application number: CN202323082662.1U
Authority: CN
Inventors: 曾晴
Original assignee: Zhongshan Lion Electronic Technology Co ltd
Current assignee: Zhongshan Lion Electronic Technology Co ltd
Priority date: 2023-11-15
Filing date: 2023-11-15
Publication date: 2024-05-17
Anticipated expiration: 2033-11-15

Abstract

The utility model discloses a fan with a reinforced motor rotor shaft, and belongs to the technical field of fan equipment. The utility model comprises the following steps: motor, flabellum, its characterized in that: the motor rotor shaft is provided with a reinforcing device, the fan blade is provided with a vibration detection device, and the motor rotor shaft is also provided with a processor connected with the motor; the reinforcing apparatus includes: a fixed disc I and a fixed table; the vibration detection device includes: and a fixed disk II and a vibration detection sensor. According to the utility model, the reinforcing device is arranged on the rotor shaft of the motor, so that the rotor shaft can be supported and reinforced, and the supporting distance is prolonged by arranging the round table, so that the rotor shaft is more stable; according to the utility model, the vibration detection device is arranged on the fan blade, so that the abnormal vibration condition of the fan can be detected, the fan can be overhauled and replaced in time, the dangerous conditions such as falling off of the fan blade or breakage of the fan blade are avoided, and the safety is improved.

Description

Fan with reinforced motor rotor shaft

Technical Field

The utility model belongs to the technical field of fan equipment, and particularly relates to a fan with a reinforced motor rotor shaft.

Background

Fans are a common device used in everyday life. Most fans in the market today mostly connect the rotor shaft of the motor with the fan blades, as shown in fig. 7, and the motor converts electric energy into mechanical energy to drive the fan blades to rotate, thereby generating wind power. The fan can lead to the rotor shaft of the fan motor to loosen after long-time use or under the conditions of improper use and the like, so that the fan can vibrate greatly in the rotating process of the fan, the noise of the fan is increased, the efficiency of the fan can be reduced, and particularly, for a plurality of hoisted fans, the fan has the dangerous situations of falling off of the fan blades, breakage of the fan blades and the like, and has great potential safety hazards. Therefore, a need exists for a fan with a reinforced motor rotor shaft.

Disclosure of utility model

In order to overcome the problems in the background art, the utility model provides a fan with a reinforced motor rotor shaft, which can effectively reinforce the motor rotor shaft, prevent the motor rotor shaft from loosening, simultaneously can detect the motor rotor shaft loosening, avoid dangerous situations such as fan blade falling or fan blade breakage and the like, and improve the safety.

In order to achieve the above purpose, the present utility model is realized by the following technical scheme: a fan for reinforcing a rotor shaft of an electric machine, comprising: motor, flabellum, its characterized in that: the motor rotor shaft is provided with a reinforcing device, the fan blade is provided with a vibration detection device, and the motor rotor shaft is also provided with a processor connected with the motor; the reinforcing apparatus includes: a fixed disc I and a fixed table; the fixed disk I consists of a flange plate I and a bearing I, the bearing I is arranged on the flange plate I, and the fixed disk I is fixedly connected with the end face of the motor; the fixed table consists of a round table and a bearing II, the bearing II is arranged on the round table, and one end of the round table is fixedly connected with the flange plate I; the vibration detection device includes: the fan blade vibration detection device comprises a fixed disc II and a vibration detection sensor, wherein the fixed disc II consists of a flange II and a bearing III, and the flange II is fixedly connected with the end face of the fan blade; the vibration detection sensor is arranged on the flange plate II and is connected with the processor; the rotor shaft of the motor sequentially passes through the bearing I, the bearing II and the bearing III and then is connected with the fan blade.

Further, two vibration detection sensors are arranged and symmetrically arranged on the flange plate II; the vibration detection sensor is a wireless vibration detection sensor and is connected with the processor in a wireless transmission mode.

Further, a buzzer is arranged on the processor.

The utility model has the beneficial effects that: according to the utility model, the reinforcing device is arranged on the rotor shaft of the motor, so that the rotor shaft can be supported and reinforced, and the supporting distance is prolonged by arranging the round table, so that the rotor shaft is more stable; according to the utility model, the vibration detection device is arranged on the fan blade, so that the abnormal vibration condition of the fan can be detected, the fan can be overhauled and replaced in time, the dangerous conditions such as falling off of the fan blade or breakage of the fan blade are avoided, and the safety is improved.

Drawings

FIG. 1 is a schematic view (exploded view) of the structure of the present utility model;

FIG. 2 is a schematic structural view of a fixed disk I in the utility model;

FIG. 3 is a schematic view of a structure of a fixing table according to the present utility model;

FIG. 4 is a schematic diagram of a vibration detecting device according to the present utility model;

FIG. 5 is a schematic diagram of the overall structure of the present utility model;

FIG. 6 is a schematic diagram of a control structure according to the present utility model;

Fig. 7 is a schematic diagram of a prior art structure.

Detailed Description

In order to make the objects, technical solutions and advantageous effects of the present utility model more apparent, preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings, so as to facilitate understanding of the skilled person.

As shown in fig. 1-6, a fan for reinforcing a rotor shaft of an electric machine, comprising: motor 1, flabellum 2, its characterized in that: a reinforcing device is arranged on the rotor shaft 101 of the motor 1, a vibration detecting device is arranged on the fan blades 2, and a processor 7 connected with the motor 1 is also arranged.

The reinforcing apparatus includes: a fixed disc I3 and a fixed table 4; the fixed disk I3 includes: the flange I301 and the bearing I302 are formed, and the bearing I302 is fixedly arranged on the flange I301. The fixed disc I3 is fixedly connected with the end face of the motor 1 in a threaded connection mode; the fixed table 4 consists of a round table 401 and a bearing II 402, the bearing II 402 is arranged on the round table 401, and the bottom end of the round table 401 is fixedly connected with the flange plate I301 in a threaded connection mode; the rotor shaft 101 of the motor 1 sequentially passes through the bearing I302 and the bearing II 402, and is in interference fit with the bearing I302 and the bearing II 402. Through set up reinforcing apparatus on motor 1's rotor shaft 101, can play the effect of supporting rotor shaft 101, prevent that rotor shaft 101 from becoming flexible, and the setting of round platform 401 has lengthened the supporting distance, can make rotor shaft 101 more firm.

The vibration detection device includes: the fan blade vibration detection device comprises a fixed disc II 5 and a vibration detection sensor 6, wherein the fixed disc II 5 consists of a flange II 501 and a bearing III 502, the bearing III 502 is arranged on the flange II 501, and the flange II 501 is fixedly connected with the bottom end face of the fan blade 2 in a threaded connection mode; the vibration detection sensors 6 are arranged in two and symmetrically arranged on the end face of the bottom of the flange plate II 501, and the vibration detection sensors 6 are wireless vibration detection sensors and are connected with the processor 7 in a wireless transmission mode. The tail end of the rotor shaft 101 of the motor 1 is provided with threads, the bottom of the fan blade 2 is provided with corresponding threaded holes, and the rotor shaft 101 of the motor 1 sequentially passes through the bearing I302, the bearing II 402 and the bearing III 502 and then is connected with the fan blade 2. Through setting up vibration detection device on flabellum 2, can detect the vibrations condition of flabellum 2 when rotating through vibrations detection sensor 6, when vibrations detection sensor 6 detects unusual vibrations, then indicate that rotor shaft 101 is not hard up, need in time overhaul and change, avoid appearing dangerous conditions such as flabellum drops or flabellum fracture, the setting of fixed disk II 5 also can further consolidate the connection of flabellum and motor rotor shaft simultaneously.

The processor 7 is a single-chip microcomputer controller, the buzzer 701 is arranged on the processor 7, when abnormal vibration of the fan is detected, the buzzer 701 is controlled to alarm, and meanwhile, the processor 7 also controls the motor 1 to stop driving.

The scheme of the utility model has the advantages that: according to the utility model, the reinforcing device is arranged on the rotor shaft 101 of the motor 1, so that the rotor shaft 101 can be supported and reinforced, and the supporting distance is prolonged by arranging the round table 401, so that the rotor shaft 101 is more stable; according to the utility model, the vibration detection device is arranged on the fan blade 2, so that abnormal vibration conditions of the fan can be detected, the fan can be overhauled and replaced in time, dangerous conditions such as falling off of the fan blade or breakage of the fan blade are avoided, and the safety is improved.

Finally, it is noted that the above-mentioned preferred embodiments are merely for illustrating the technical solution of the utility model, and not for limiting the utility model, which has been described in detail by means of the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the utility model.

Claims

1. A fan for reinforcing a rotor shaft of an electric machine, comprising: motor (1), flabellum (2), its characterized in that: a reinforcing device is arranged on a rotor shaft (101) of the motor (1), a vibration detection device is arranged on the fan blades (2), and a processor (7) connected with the motor (1) is arranged; the reinforcing apparatus includes: a fixed disc I (3) and a fixed table (4); the fixed disk I (3) comprises: the motor comprises a flange plate I (301) and a bearing I (302), wherein the bearing I (302) is arranged on the flange plate I (301), and the fixed plate I (3) is fixedly connected with the end face of the motor (1); the fixed table (4) consists of a round table (401) and a bearing II (402), the bearing II (402) is arranged on the round table (401), and the bottom end surface of the round table (401) is fixedly connected with the flange plate I (301); the vibration detection device includes: the fan blade vibration detection device comprises a fixed disc II (5) and a vibration detection sensor (6), wherein the fixed disc II (5) consists of a flange disc II (501) and a bearing III (502), the bearing III (502) is arranged on the flange disc II (501), and the flange disc II (501) is fixedly connected with the bottom end face of the fan blade (2); the vibration detection sensor (6) is arranged on the flange plate II (501) and is connected with the processor (7); the rotor shaft (101) of the motor (1) sequentially passes through the bearing I (302), the bearing II (402) and the bearing III (502) and then is connected with the fan blade (2).

2. A motor rotor shaft reinforced fan as set forth in claim 1, wherein: the two vibration detection sensors (6) are symmetrically arranged on the flange plate II (501); the vibration detection sensor (6) is a wireless vibration detection sensor.

3. A motor rotor shaft reinforced fan as set forth in claim 1, wherein: a buzzer (701) is arranged on the processor (7).