CN218678673U

CN218678673U - Power supply module, stator and motor

Info

Publication number: CN218678673U
Application number: CN202222368954.0U
Authority: CN
Inventors: 梁展荣; 杨文德; 王涛; 吕光宇; 谢亮
Original assignee: Gree Electric Appliances Inc of Zhuhai; Zhuhai Kaibang Motor Manufacture Co Ltd
Current assignee: Gree Electric Appliances Inc of Zhuhai; Zhuhai Kaibang Motor Manufacture Co Ltd
Priority date: 2022-09-06
Filing date: 2022-09-06
Publication date: 2023-03-21
Anticipated expiration: 2032-09-06

Abstract

The utility model relates to a power supply module, stator and motor relates to drive device technical field for improve the purpose of water-proof effects in order to guarantee the motor reliability. The power supply assembly comprises a shell, the power supply assembly comprises an input structure and an output structure, the input structure is arranged outside the shell, the output structure is arranged inside the shell, the input structure is connected with an external power supply and can generate a magnetic field, and the output structure generates electric energy through magnetic field induction. Compared with the prior art, the utility model has the advantages of, the both sides at the casing are separated to the input structure and the output structure of power for the inside under the prerequisite of obtaining the electric energy of guaranteeing the casing, the inside and the external world of casing are separated, overcome under the operation problem that leads to the sealing rubber terminal waterproof performance to become invalid under the adverse conditions such as under water or acidity, improve waterproof reliability, prevent that the inside motor that leads to of water infiltration motor from scrapping, improve the reliability of motor.

Description

Power supply module, stator and motor

Technical Field

The utility model relates to a drive arrangement technical field especially relates to a power supply module, stator and motor.

Background

In recent years, with the rapid development of industrial production automation and intellectualization, a servo motor is widely used in industrial production equipment due to the characteristics of high control precision, quick response and the like, however, the existing servo motor needs to directly introduce a power line into a shell for power supply, a waterproof structure of the servo motor is realized in a mode of extruding a rubber pad, and the servo motor is easy to lose a waterproof function and reduce the reliability of the servo motor when running under severe environments such as underwater or acidic environment for a long time.

SUMMERY OF THE UTILITY MODEL

The utility model provides a power supply module, stator and motor for improve the purpose of water-proof effects in order to guarantee the motor reliability.

The utility model provides a power supply module for predetermineeing the structure power supply, predetermine the structure and include the casing, power supply module includes input structure and output structure, input structure set up in the outside of casing, output structure set up in the inside of casing, input structure is connected with external power source and can produces magnetic field, output structure passes through magnetic field response produces the electric energy.

In one embodiment, the input structure includes a primary winding, and the output structure includes a secondary winding, the primary winding being energized to generate the magnetic field, the secondary winding being induced by the magnetic field to generate electrical energy.

In one embodiment, the power supply assembly further comprises an inductive core disposed through the primary winding and/or the secondary winding.

In one embodiment, the inductive core is U-shaped with the U-shaped opening facing the housing.

In one embodiment, the housing is provided with a limiting groove, and the end of the induction core is disposed in the corresponding limiting groove.

In one embodiment, the induction core includes a first-level induction core and a second-level induction core, a first limit groove is formed in the outer surface of the casing, a second limit groove is formed in the inner surface of the casing, the first-level induction core is arranged in the first-level winding in a penetrating mode, the end portion of the first-level induction core is arranged in the first limit groove, the second-level induction core is arranged in the second-level winding in a penetrating mode, and the end portion of the second-level induction core is arranged in the second limit groove.

In one embodiment, the first and second retaining grooves are disposed correspondingly.

In one embodiment, the first limiting groove is in interference fit with the primary inductive core; and/or the second limit groove is in interference fit with the secondary induction iron core.

In one embodiment, the power supply assembly includes a housing disposed on the housing, the input structure being disposed within the housing.

In one embodiment, a mounting groove is provided on an outer surface of the housing, and the housing is disposed within the mounting groove.

In one embodiment, the housing is provided with a limiting hole, the input structure comprises a primary induction core, and the integrated induction core is in interference fit with the limiting hole.

The utility model also provides a stator, including foretell power supply module.

The utility model also provides a motor, which comprises the power supply assembly or the stator,

compared with the prior art, the utility model has the advantages of, the both sides at the casing are separated to the input structure and the output structure of power for the inside under the prerequisite of obtaining the electric energy of guaranteeing the casing, the inside and the external world of casing are separated, overcome under the operation problem that leads to the sealing rubber terminal waterproof performance to become invalid under the adverse conditions such as under water or acidity, improve waterproof reliability, prevent that the inside motor that leads to of water infiltration motor from scrapping, improve the reliability of motor.

Drawings

The present invention will be described in more detail hereinafter based on embodiments and with reference to the accompanying drawings.

Fig. 1 is a cross-sectional view of an electric machine in an embodiment of the invention;

FIG. 2 is a partial schematic view at A of FIG. 1;

fig. 3 is a schematic structural diagram of the housing and the primary winding in the embodiment of the present invention;

in the figure: 1. presetting a structure; 11. a housing; 2. primary winding: 3. a secondary winding; 12. a first limit groove; 13. a second limit groove; 4. a housing; 41. and a limiting hole.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

As shown in fig. 1 to 3, the utility model provides a power supply module for presetting structure 1 power supply, it includes casing 11 to preset structure 1, power supply module includes input structure and output structure, input structure set up in the outside of casing 11, output structure set up in the inside of casing 11, input structure is connected with external power source and can produces magnetic field, output structure passes through magnetic field induction produces the electric energy. The input structure and the output structure of power are separated in the both sides of casing 11, are guaranteeing under the inside prerequisite that obtains the electric energy of casing 11 for the inside and the external world of casing 11 are separated, need not to extrude through rubber and seal, improve waterproof reliability, prevent that water infiltration motor is inside to lead to the motor to scrap, improve the reliability of motor.

The input structure is connected with an external power supply and generates a magnetic field after obtaining electric energy, the magnetic field penetrates through the shell 11 and enters the shell 11, and the output structure induces the magnetic field to generate induced electromotive force to supply power for the structure in the shell 11.

As an embodiment, the input structure includes a primary winding 2, the output structure includes a secondary winding 3, the primary winding 2 is powered to generate the magnetic field, and the secondary winding 3 induces electrical energy through the magnetic field. Wherein, the number of turns of primary winding 2 and the number of turns of secondary winding 3 can be the same, also can be different, when the number of turns of primary winding 2 is different with the number of turns of secondary winding 3, because the input voltage of primary winding 2 is certain, can make secondary winding 3 produce different voltage according to the difference of turn ratio, for example when the number of turns of secondary winding 3 is greater than the number of turns of primary winding 2, can improve the counter electromotive force that the voltage of secondary winding 3 output in order to overcome the motor and produce, make the motor can operate higher rotational speed.

In one embodiment, the power supply assembly further comprises an inductive core, which is arranged through the primary winding 2 and/or the secondary winding 3. The magnetic induction intensity of the primary winding 2 or the secondary winding 3 is increased by using the induction iron core, so that the volume of the power supply assembly is reduced as much as possible. Preferably, the induction core is made of a material with low magnetic resistance.

Optionally, the induction core is U-shaped, the U-shaped opening faces the housing 11, a limiting groove is formed in the housing 11, and the end of the induction core is arranged in the corresponding limiting groove. The U-shaped structure is utilized to conveniently position and fix the induction iron core.

As an implementation mode, the response iron core includes one-level response iron core and second grade response iron core, be provided with first spacing groove 12 on the surface of casing 11, be provided with second spacing groove 13 on the internal surface of casing 11, one-level response iron core wears to locate in one-level winding 2, just the tip of one-level response iron core set up in first spacing groove 12, second grade response iron core wears to locate in second grade winding 3, just the tip of second grade response iron core set up in second spacing groove 13.

The first limit groove 12 is in interference fit with the primary induction core. Can guarantee the positioning assembly of one-level response iron core and casing 11 through interference fit, can also effectual reduction magnetic resistance.

The second limit groove 13 is in interference fit with the secondary induction iron core. Can guarantee the positioning assembly of second grade response iron core and casing 11 through interference fit promptly, can also effectual reduction magnetic resistance.

The first limiting groove 12 and the second limiting groove 13 are correspondingly arranged. That is, the bottom of the first limiting groove 12 and the bottom of the second limiting groove 13 are oppositely arranged, so that the interval between the primary winding 2 and the secondary winding 3 is reduced as much as possible, the magnetic resistance of a magnetic circuit is reduced, and the power transmission efficiency is improved.

In one embodiment, the power supply assembly includes a housing 4, the housing 4 is disposed on the housing 11, and the input structure is disposed within the housing 4. An external power source may extend through the housing 4 to power the input structure. Utilize shell 4 to protect the input structure, avoid contacting the input structure and cause accident, shell 4 also can carry out certain waterproof protection to the input structure simultaneously, reduces the replacement number of times of input structure, improves the reliability of motor.

In one embodiment, the housing 11 is provided with a mounting groove on an outer surface thereof, and the outer shell 4 is disposed in the mounting groove. Utilize the mounting groove to fix a position shell 4, the convenience is fixed shell 4.

Optionally, the first limiting groove 12 is disposed in the mounting groove, so as to further reduce the thickness of the shell 11 between the primary winding 2 and the secondary winding 3, thereby further reducing the magnetic resistance.

In one embodiment, the housing 4 is provided with a limiting hole 41, and the input structure includes a primary inductive core, and the primary inductive core is in interference fit with the limiting hole 41. Can guarantee the positioning assembly of one-level response iron core and shell 4 through interference fit promptly, can also effectual reduction magnetic resistance, improve power supply module's energy transfer efficiency.

The utility model also provides a stator, including foretell power supply module, other subassemblies in the stator and connected mode all can adopt known prior art to realize.

The utility model also provides a motor, including foretell power supply module or foretell stator, other subassemblies in the motor and connected mode all can adopt known prior art to realize.

The motor includes the rear end cap, power supply module set up in on the rear end cap, the rear end cap adopts the higher material of magnetic resistance, reduces the magnetic leakage.

While the invention has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. The present invention is not limited to the particular embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.

Claims

1. The utility model provides a power supply module for predetermineeing structure (1) power supply, predetermine structure (1) and include casing (11), its characterized in that, power supply module includes input structure and output structure, input structure set up in the outside of casing (11), output structure set up in the inside of casing (11), input structure is connected with external power source and can produces magnetic field, output structure passes through magnetic field induction produces the electric energy.

2. The power supply component of claim 1, wherein: the input structure comprises a primary winding (2), the output structure comprises a secondary winding (3), the primary winding (2) is electrified to generate the magnetic field, and the secondary winding (3) generates electric energy through the induction of the magnetic field.

3. The power supply component of claim 2, wherein: the power supply assembly further comprises an induction iron core, and the induction iron core is arranged in the primary winding (2) and/or the secondary winding (3) in a penetrating mode.

4. The power supply component of claim 3, wherein: the induction iron core is U-shaped, and the U-shaped opening faces the shell (11).

5. The power supply component of claim 4, wherein: the shell (11) is provided with a limiting groove, and the end part of the induction iron core is arranged in the corresponding limiting groove.

6. The power supply component of claim 5, wherein: the induction core comprises a primary induction core and a secondary induction core, wherein a first limiting groove (12) is formed in the outer surface of the shell (11), a second limiting groove (13) is formed in the inner surface of the shell (11), the primary induction core is arranged in the primary winding (2), the end portion of the primary induction core is arranged in the first limiting groove (12), the secondary induction core is arranged in the secondary winding (3), and the end portion of the secondary induction core is arranged in the second limiting groove (13).

7. The power supply component of claim 6, wherein: the first limiting groove (12) and the second limiting groove (13) are correspondingly arranged.

8. The power supply component of claim 6, wherein: the first limiting groove (12) is in interference fit with the primary induction iron core; and/or the second limit groove (13) is in interference fit with the secondary induction iron core.

9. The power supply component of claim 1, wherein: the power supply assembly comprises a casing (4), the casing (4) is arranged on the shell (11), and the input structure is arranged in the casing (4).

10. The power supply component of claim 9, wherein: the outer surface of the shell (11) is provided with a mounting groove, and the shell (4) is arranged in the mounting groove.

11. The power supply component of claim 9, wherein: be provided with spacing hole (41) on shell (4), input structure includes one-level response iron core, one-level response iron core with spacing hole (41) interference fit.

12. A stator, characterized by: comprising the power supply component of any one of claims 1 to 11.

13. An electric machine characterized by: comprising the power supply component of any one of claims 1 to 11 or the stator of claim 12.