CN212909307U

CN212909307U - Capacitor start type single-phase asynchronous motor with low noise and low vibration design

Info

Publication number: CN212909307U
Application number: CN202022041673.5U
Authority: CN
Inventors: 梁培平; 邓晓风; 梁勉
Original assignee: Zhaoqing Fuwei Motor Co ltd
Current assignee: Zhaoqing Fuwei Motor Co ltd
Priority date: 2020-09-17
Filing date: 2020-09-17
Publication date: 2021-04-06
Anticipated expiration: 2030-09-17

Abstract

The utility model relates to a single-phase asynchronous motor technical field of electric capacity start-up formula, and disclose a single-phase asynchronous motor of electric capacity start-up formula of low noise low vibrations design, which comprises a housing, one side of casing is provided with key B6X25, is provided with the wave form packing ring on the lateral wall of casing, is provided with the bearing on the wave form packing ring, is provided with the front end housing on the lateral wall of casing, and threaded connection has screw M4X8 on the lateral wall of casing, and screw M4X8 clamps with the front end housing screw thread, is provided with first packing ring on the lateral wall of casing, is provided with centrifugal switch on the lateral wall of casing. The utility model discloses a special towards the piece design of motor, can have lower noise and vibrations than other products of the same model. The excircle of the motor rotor is smaller than that of a common motor, so that harmonic interference can be reduced, and electromagnetic noise is further reduced. The high-specification type bearings are adopted, so that abnormal sound of the bearings cannot be generated in the using process, and the high-capacity capacitor is adopted to ensure the starting force of the motor, so that the product meets the requirement of frequent starting.

Description

Capacitor start type single-phase asynchronous motor with low noise and low vibration design

Technical Field

The utility model relates to a single-phase asynchronous motor technical field of electric capacity start-up formula especially relates to a single-phase asynchronous motor of electric capacity start-up formula of low noise low vibration design.

Background

The single-phase motor is an asynchronous motor which is powered by a 220V alternating current single-phase power supply to operate. Because the 220V power supply is very convenient and economic, and the household power consumption is 220V, the single-phase motor not only has large production consumption, but also is closely related to the daily life of people.

The motor is applied to an ice cream machine, the product is applied to occasions such as restaurants, milk tea shops, supermarkets, playgrounds and the like, and different environments, room temperature, voltage and the like have high requirements on the motor. When the motor is used in markets, supermarkets and outdoor occasions, the external voltage is possibly unstable, so that the requirements on the stability and the durability of the motor are high, and the motor can stably work when the voltage is not enough. Because the product is applied to indoor environment such as market, also have very high requirement to the noise and the vibrations of motor, guarantee that the noise is less than 40 decibels under the condition of long-term work.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art motor use and market supermarket and outdoor occasion, outside voltage probably is very unstable, consequently requires very high to the stability and the durability of motor, need guarantee the problem that can stable work when voltage is not enough, and the single-phase asynchronous motor of capacitor start-up formula of the low noise low vibration design that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a low-noise low-vibration designed capacitor start type single-phase asynchronous motor comprises a shell, wherein one side of the shell is provided with a key B6X25, the side wall of the shell is provided with a wave washer, the wave washer is provided with a bearing, the side wall of the shell is provided with a front end cover, the side wall of the shell is in threaded connection with a screw M4X8, and the screw M4X8 is clamped with the front end cover by screw thread, the side wall of the machine shell is provided with a first gasket, the side wall of the machine shell is provided with a centrifugal switch, the side wall of the machine shell is provided with a stator, the side wall of the machine shell is provided with a rotor positioned below the stator, the top of the machine shell is provided with a nameplate, the top of the machine shell is provided with a rivet 2X4, and the name card 10 is clamped with the casing through a rivet 2X4, a second gasket is arranged at the top of the casing, a first screw M4X6 is connected to the second gasket in a threaded manner, and the second gasket is clamped with the casing in a threaded manner through the first screw M4X 6.

Preferably, a rear end cover is arranged on the side wall of the casing, and an oil protection pad positioned below the rear end cover is arranged on the side wall of the casing.

Preferably, a fan housing is arranged on the side wall of the casing, and the fan blades are rotatably mounted in the fan housing.

Preferably, the casing is connected with a bolt M5X22 through a thread, the top of the casing is fixedly provided with an outlet box, one side of the outlet box is fixedly provided with an insulating sleeve, and one end of the insulating sleeve, which is far away from the outlet box, is fixedly provided with an alternating current capacitor.

Preferably, the ac capacitor is screwed with a second screw M4X6, and the ac capacitor is screwed with the casing via the second screw M4X6, and the ac capacitor is provided with a third gasket.

Preferably, the alternating current capacitor is provided with a screw M5X5, a capacitor cover, a capacitor clip and a yellow silk.

Compared with the prior art, the utility model provides a low noise low vibration design's single-phase asynchronous motor of electric capacity start-up formula possesses following beneficial effect:

1. the capacitor-started single-phase asynchronous motor with the low noise and low vibration design adopts a rotor punching sheet with a groove type of special design. By using motor design software to carry out binary simulation, the groove type is specially designed under the condition of ensuring that other parameters meet the standard, and the parameters with higher standard noise and vibration performance are calculated by adopting the cooperation of the grooves with larger difference between the stator and the rotor;

2. this single-phase asynchronous motor of electric capacity start-up formula of low noise low vibrations design, adopt electric capacity start-up formula design through this kind of motor, guarantee the starting force with CD electric capacity, guarantee that ice cream machinery frequently starts also can the steady operation's demand, and make the motor have lower temperature rise under the condition of long-term use, through special meter, motor noise is low with vibrations, satisfy at indoor market, the work needs of comfortable environment such as shop, motor stability is good, guarantee long-term operation under the unstable condition of outdoor voltage, have lower temperature rise than with the specification motor, operating personnel can not feel hot hand when touching the product. The requirement of frequent starting of the product is met, and the special punching sheet design of the motor can have lower noise and vibration than other products of the same type;

3. this single-phase asynchronous motor of capacitor start formula of low noise low vibrations design is less than ordinary motor through the electric motor rotor excircle, reducible harmonic interference, further reduces electromagnetic noise. The bearing with high specification and model is adopted, so that abnormal sound of the bearing can not be generated in the using process. The large-capacity capacitor is adopted to ensure the starting force of the motor, so that the product meets the requirement of frequent starting;

and the part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses a special towards the piece design of motor can have lower noise and vibrations than other products of the same model. The excircle of the motor rotor is smaller than that of a common motor, so that harmonic interference can be reduced, and electromagnetic noise is further reduced. The high-specification type bearings are adopted, so that abnormal sound of the bearings cannot be generated in the using process, and the high-capacity capacitor is adopted to ensure the starting force of the motor, so that the product meets the requirement of frequent starting.

Drawings

Fig. 1 is a schematic structural view of a capacitor-start single-phase asynchronous motor with low noise and low vibration according to the present invention;

fig. 2 is a schematic diagram of a side view of a part of a capacitor-start single-phase asynchronous motor with low noise and low vibration design provided by the present invention.

In the figure: 1 key B6X25, 2 wave washers, 3 bearings, 4 front end covers, 5 screws M4X8, 6 first washers, 7 centrifugal switches, 8 stators, 9 rotors, 10 nameplates, 11 rivets 2X4, 12 first screws M4X6, 13 second washers, 14 rear end covers, 15 oil protection pads, 16 fan blades, 17 wind hoods, 18 bolts M5X22, 19 alternating current capacitors, 20 screws M5X5, 21 capacitor housings, 22 capacitor covers, 23 capacitor clips, 24 yellow grease silk, 25 insulating sleeves, 26 second screws M4X6, 27 third washers and 28 outlet boxes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-2, a low-noise low-vibration capacitor-start single-phase asynchronous motor comprises a housing, a key B6X251 is arranged on one side of the housing, a wave washer 2 is arranged on a side wall of the housing, a bearing 3 is arranged on the wave washer 2, a front end cover 4 is arranged on the side wall of the housing, a screw M4X85 is in threaded connection with the side wall of the housing, and the screw M4X85 is in threaded connection with the front end cover 4, a first washer 6 is arranged on the side wall of the housing, a centrifugal switch 7 is arranged on the side wall of the housing, a stator 8 is arranged on the side wall of the housing, a rotor 9 positioned below the stator 8 is arranged on the side wall of the housing, a name plate 10 is arranged on the top of the housing, a rivet 2X411 is arranged on the top of the housing, the name plate 10 is in threaded connection with the housing through the rivet 2X411, a second washer 13 is arranged on the top of, and the second gasket 13 is screwed and clamped with the casing through the first screw M4X 612.

The utility model discloses in, be provided with rear end cap 14 on the lateral wall of casing, be provided with the oil blanket 15 that is located the 14 below of rear end cap on the lateral wall of casing.

The utility model discloses in, be provided with fan housing 17 on the lateral wall of casing, fan blade 16 is installed to the fan housing 17 internal rotation.

The utility model discloses in, threaded connection has bolt M5X2218 on the casing, and the top fixed mounting of casing has outlet box 28, and one side fixed mounting of outlet box 28 has insulating cover 25, and the one end fixed mounting that outlet box 28 was kept away from to insulating cover 25 has alternating current capacitor 19.

The utility model discloses in, threaded connection has second screw M4X626 on the AC capacitor 19, and the AC capacitor 19 clamps through second screw M4X626 and casing screw thread, is provided with third packing ring 27 on the AC capacitor 19.

In the utility model, the ac capacitor 19 is provided with a screw M5X520, a capacitor cover 21, a capacitor cover 22, a capacitor clip 23 and a yellow silk 24.

The utility model discloses in, during the use, this section motor has adopted the rotor 9 towards the piece of a special design cell type. By using motor design software to carry out binary simulation, the groove type is specially designed under the condition of ensuring that other parameters meet the standard, and the parameters of higher standard noise and vibration performance are calculated by adopting the cooperation of the grooves with larger difference between the stator 8 and the rotor 9. This kind of motor adopts the electric capacity to start formula design, guarantee to start the strength with the CD electric capacity, guarantee that ice cream machinery frequently starts the demand that also can the steady operation, and make the motor have lower temperature rise under the condition of long-term use, through special counting, motor noise is low with vibrations, satisfy at indoor market, the work needs of comfortable environment such as shop, motor stability is good, guarantee long-term operation under the unstable condition of outdoor voltage, there is lower temperature rise than with the specification motor, operating personnel can not feel hot hand when touching the product. The requirement of frequent starting of products is met, and the special punching sheet design of the motor can have lower noise and vibration compared with other products of the same model. The excircle of the motor rotor 9 is smaller than that of a common motor, so that harmonic interference can be reduced, and electromagnetic noise is further reduced. The bearing 3 with high specification model is adopted, so that abnormal sound of the bearing 3 can not be generated in the using process. And a large-capacity capacitor is adopted to ensure the starting force of the motor, so that the product meets the requirement of frequent starting.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A capacitor start type single-phase asynchronous motor with low noise and low vibration design comprises a machine shell and is characterized in that a key B6X25 (1) is arranged on one side of the machine shell, a wave washer (2) is arranged on the side wall of the machine shell, a bearing (3) is arranged on the wave washer (2), a front end cover (4) is arranged on the side wall of the machine shell, a screw M4X8 (5) is connected to the side wall of the machine shell in a threaded mode, the screw M4X8 (5) is clamped with the front end cover (4) in a threaded mode, a first washer (6) is arranged on the side wall of the machine shell, a centrifugal switch (7) is arranged on the side wall of the machine shell, a stator (8) is arranged on the side wall of the machine shell, a rotor (9) located below the stator (8) is arranged on the side wall of the machine shell, a name plate (10) is arranged on the top of the machine shell, a rivet 2X4 (, the top of the machine shell is provided with a second gasket (13), the second gasket (13) is in threaded connection with a first screw M4X6 (12), and the second gasket (13) is in threaded clamping with the machine shell through the first screw M4X6 (12).

2. A low noise and low vibration capacitor start single phase asynchronous motor according to claim 1, wherein the side wall of the casing is provided with a rear end cap (14), and the side wall of the casing is provided with an oil protection pad (15) under the rear end cap (14).

3. A low noise and low vibration capacitor start single phase asynchronous motor as claimed in claim 1, wherein a fan housing (17) is provided on the side wall of said housing, and a fan blade (16) is rotatably mounted in said fan housing (17).

4. The single-phase asynchronous motor with low noise and vibration is characterized in that a bolt M5X22 (18) is connected to the casing in a threaded manner, an outlet box (28) is fixedly installed at the top of the casing, an insulating sleeve (25) is fixedly installed on one side of the outlet box (28), and an alternating current capacitor (19) is fixedly installed at one end, far away from the outlet box (28), of the insulating sleeve (25).

5. A capacitor start single phase asynchronous motor with low noise and vibration design according to claim 4, characterized in that the second screw M4X6 (26) is screwed on the AC capacitor (19), and the AC capacitor (19) is screwed on the casing through the second screw M4X6 (26), and the AC capacitor (19) is provided with the third gasket (27).

6. A capacitor-start single-phase asynchronous motor with low noise and vibration design according to claim 4, characterized in that the AC capacitor (19) is provided with a screw M5X5 (20), a capacitor cover (21), a capacitor cover (22), a capacitor clip (23) and a yellow poplin (24).