CN110858738A

CN110858738A - Motor, water pump assembly and vehicle

Info

Publication number: CN110858738A
Application number: CN201810974785.0A
Authority: CN
Inventors: 王俊杰; 周小伟
Original assignee: Dunan Environment Technology Co Ltd
Current assignee: Dunan Environment Technology Co Ltd
Priority date: 2018-08-24
Filing date: 2018-08-24
Publication date: 2020-03-03

Abstract

The invention provides a motor, a water pump assembly and a vehicle, wherein the motor comprises: a housing; a rotor assembly at least partially within the housing; stator module, stator module set up in the casing and lie in between casing and the rotor subassembly, stator module includes stator skeleton, winding and three welding needle, and the winding just links to each other with three welding needle on stator skeleton's outer wall, and three welding needle is fixed on stator skeleton. The technical scheme of the invention effectively solves the problems of complex stator winding structure and process in the prior art.

Description

Motor, water pump assembly and vehicle

Technical Field

The invention relates to the technical field of electronic water pumps, in particular to a motor, a water pump assembly and a vehicle.

Background

The electronic water pump mainly comprises a motor and a water pump, the water pump is driven to pump water by the operation of the motor, a control panel is arranged in the motor, generally, the control panel is connected with the winding of a stator component, the direction of a magnetic field is ceaselessly changed by controlling the on-off of different windings of a stator, and further, a rotor can still maintain the original direction to continue rotating after rotating for half a circle The process difficulty is high, and the mass production of the water pump is not facilitated.

Disclosure of Invention

The invention mainly aims to provide a motor, a water pump assembly and a vehicle, and aims to solve the problems of complex stator winding structure and process in the prior art.

In order to achieve the above object, according to one aspect of the present invention, there is provided a motor including: a housing; a rotor assembly at least partially within the housing; stator module, stator module set up in the casing and lie in between casing and the rotor subassembly, stator module includes stator skeleton, winding and three welding needle, and the winding just links to each other with three welding needle on stator skeleton's outer wall, and three welding needle is fixed on stator skeleton.

Further, stator module still includes the welding needle mount, and the welding needle mount is fixed on the stator skeleton, and three welding needles are fixed on the welding needle mount at interval.

Furthermore, the welding needle fixing frame and the stator framework are integrally formed in an injection molding mode, and the three welding needles are injected into the welding needle fixing frame.

Further, the winding and the welding pin are connected together by resistance welding.

Further, the three welding pins comprise a first welding pin, a second welding pin and a third welding pin, the winding comprises two enameled wires, the first ends of the two enameled wires are respectively connected with the first end of the first welding pin and the first end of the second welding pin, the second ends of the two enameled wires are respectively connected with the first end of the second welding pin and the first end of the third welding pin, and the enameled wires connected with the second welding pin are different enameled wires.

Further, the motor also comprises a Hall element mounting seat and a Hall element, wherein the Hall element mounting seat is fixed on the stator framework, and the Hall element is arranged on the Hall element mounting seat.

Further, hall element includes hall element main part, first needle, second and third needle of drawing, and the second is drawn the needle and is located first needle and the third and draw between the needle, and first needle and the third are drawn the needle and all have the kink of keeping away from the second and drawing the needle.

Further, the motor still includes the control panel, and the second end of three welding pins all links to each other with the control panel.

Furthermore, the control panel is provided with three mounting holes, and the second ends of the three welding pins correspondingly penetrate through the three mounting holes respectively and are welded and fixed.

Further, stator framework includes the barrel and sets up the spacing portion at the barrel both ends, and spacing portion is higher than the outer wall of barrel.

According to another aspect of the invention, a water pump assembly is provided, which comprises a water pump and a motor connected with the water pump, wherein the motor is the motor.

According to another aspect of the invention, a vehicle is also provided, which comprises a vehicle body and a water pump assembly arranged on the vehicle body, wherein the water pump assembly is the water pump assembly.

By applying the technical scheme of the invention, the motor mainly comprises a shell, a rotor assembly and a stator assembly, wherein the stator assembly comprises a stator framework, a winding and three welding pins. The winding direct winding is on stator frame's outer wall, and wire-wound joint is fixed on the welding needle, need not twine the wire winding in a plurality of recesses and the bellying of stator frame, has reduced the wire winding degree of difficulty, and stator frame need not process recess and arch moreover, has reduced the step and the technology degree of difficulty of processing. The technical scheme of the invention effectively solves the problems of complex stator winding structure and process in the prior art.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 shows a sectional illustration of an embodiment of an electrical machine according to the invention;

fig. 2 shows a perspective view of a stator assembly of the electric machine shown in fig. 1;

FIG. 3 is a perspective view of the weld pin of the stator assembly shown in FIG. 2

FIG. 4 illustrates a partial schematic of the electric machine of FIG. 1;

FIG. 5 illustrates a schematic diagram of the Hall element assembly shown in FIG. 4; and

fig. 6 shows a schematic diagram of the hall element structure shown in fig. 5.

Wherein the figures include the following reference numerals:

10. a housing; 20. a rotor assembly; 30. a stator assembly; 31. a stator frame; 32. a winding; 33. welding pins; 331. a first welding pin; 332. a second welding pin; 333. a third welding pin; 338. a strip-shaped limiting structure; 34. a welding pin fixing frame; 40. a Hall element mounting base; 50. a Hall element; 51. a Hall element main body; 52. a first guide pin; 53. a second guide pin; 54. a third guide pin; 60. and a control panel.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

As shown in fig. 1 to 6, the motor of the present embodiment includes: casing 10, rotor subassembly 20 and stator module rotor subassembly 20 are located casing 10 at least partially, and stator module 30 sets up in casing 10 and is located between casing 10 and the rotor subassembly 20, and stator module 30 includes stator skeleton 31, winding 32 and three welding needle 33, and winding 32 twines on the outer wall of stator skeleton 31 and links to each other with three welding needle 33, and three welding needle 33 are fixed on stator skeleton 31.

By applying the technical scheme of the embodiment, the motor mainly comprises a shell 10, a rotor assembly 20 and a stator assembly 30, wherein the stator assembly 30 comprises a stator framework 31, a winding 32 and three welding pins 33. Winding 32 direct winding is on stator frame 31's outer wall, and wire-wound joint is fixed on welding needle 33, need not twine the wire winding in a plurality of recesses and the bellying of stator frame 31, has reduced the wire winding degree of difficulty, and stator frame 31 need not process recess and arch moreover, has reduced the step and the technology degree of difficulty of processing. The technical scheme of the embodiment effectively solves the problems of complex stator winding structure and process in the prior art.

As shown in fig. 2, in the technical solution of this embodiment, the stator assembly 30 further includes a welding pin fixing frame 34, the welding pin fixing frame 34 is fixed on the stator frame 31, and the three welding pins 33 are fixed on the welding pin fixing frame 34 at intervals. The welding pin fixing frame 34 is fixed on the stator framework 31, so that the structure is compact, the space is saved, and the winding 32 on the stator framework 31 is conveniently connected with the welding pin 33.

As shown in fig. 2, in the technical solution of the present embodiment, the welding pin fixing frame 34 and the stator frame 31 are integrally injection molded, and the three welding pins 33 are injection molded in the welding pin fixing frame 34. The pin holder 34 is made of an insulating material to prevent the three pins 33 from short-circuiting, thereby connecting the two-phase windings 32 together. The integral injection molding can reduce the processing steps and is beneficial to realizing mass production.

As shown in fig. 2, in the solution of the present embodiment, the winding 32 and the welding pin 33 are connected together by resistance welding. The winding 32 and the welding needle 33 are fixed together by welding, the winding 32 and the welding needle 33 are connected and conducted, filler metals such as welding wires and welding rods are not needed in resistance welding, welding cost is low, production efficiency is high, mass production is facilitated, harmful gas and noise are not generated in the resistance welding process, and the electric resistance welding is more environment-friendly.

As shown in fig. 2 and 3, in the technical solution of the present embodiment, the three welding pins 33 include a first welding pin 331, a second welding pin 332, and a third welding pin 333, the winding 32 includes two varnished wires, first ends of the two varnished wires are respectively connected to a first end of the first welding pin and a first end of the second welding pin, second ends of the two varnished wires are respectively connected to a first end of the second welding pin and a first end of the third welding pin, and the varnished wires connected to the second welding pin 332 are different varnished wires. The first end of the first welding pin and the first end of the third welding pin are respectively provided with a strip-shaped limiting structure 338 which can fix the enameled wire and is also a resistance welding position. The first end of the second welding pin has two strip-shaped limiting structures 338, and one ends of the two enameled wires are respectively fixed in the two strip-shaped limiting structures 338, but the two enameled wires are not simultaneously connected.

As shown in fig. 4 and 5, in the technical solution of the present embodiment, the motor further includes a hall element mounting base 40 and a hall element 50, the hall element mounting base 40 is fixed on the stator frame 31, and the hall element 50 is mounted on the hall element mounting base 40. The hall element mount 40 can fix and protect the hall element 50, and the hall element mount 40 is integrally injection-molded, which can reduce the number of processing steps and is beneficial to mass production. The hall element mount 40 has a protrusion, the stator assembly 30 has a fixing groove, and the hall element mount 40 is inserted into the fixing groove through the protrusion and is firmly fixed by forming a snap structure.

As shown in fig. 5, in the technical solution of the present embodiment, the hall element 50 includes a hall element main body 51, a first lead 52, a second lead 53, and a third lead 54, the second lead 53 is located between the first lead 52 and the third lead 54, and both the first lead 52 and the third lead 54 have a bent portion away from the second lead 53. The design of kink can enlarge the clearance between the guide pin, and three guide pin is connected power positive pole, output and ground respectively, and the increase clearance can avoid three guide pin to contact each other and cause the short circuit.

As shown in fig. 1, in the solution of this embodiment, the motor further includes a control board 60, and the second ends of the three welding pins are all connected to the control board 60. The control board 60 is disposed at the rear of the housing 10. The welding pin 33 and the control board 60 are connected by soldering, and the soldering connection process is simple and easy to operate, and is the main mode for welding electronic components.

As shown in fig. 3, in the solution of the present embodiment, three mounting holes are provided on the control plate 60, and the second ends of the three welding pins correspondingly penetrate through the three mounting holes respectively and are welded and fixed. When the hall element 50 detects that the rotor magnetic pole is an N pole, the control board keeps the enameled wire current between the first welding pin 331 and the second welding pin 332 on, and the enameled wire between the second welding pin 332 and the third welding pin 333 off, and when the hall element 50 detects that the rotor magnetic pole is an S pole, the control board immediately cuts off the current between the first welding pin 331 and the second welding pin 332, instead of keeping the enameled wire current between the second welding pin 332 and the third welding pin 333 on, and the enameled wire current between the first welding pin 331 and the second welding pin 332 is conducted in a direction opposite to the current direction of the winding 32 where the enameled wire current between the second welding pin 332 and the third welding pin 333 is conducted, so that the magnetic field direction is continuously changed to drive the rotor to rotate.

As shown in fig. 2, in the technical solution of this embodiment, the stator frame 31 includes a cylinder and limiting portions disposed at two ends of the cylinder, and the limiting portions are higher than the outer wall of the cylinder. The limiting portion can better fix the winding 32.

The application also provides a water pump assembly, including water pump and the motor that links to each other with the water pump, the motor is foretell motor.

The application also provides a vehicle, including vehicle body and the water pump assembly of dress in vehicle body, water pump assembly is foretell water pump assembly.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An electric machine, comprising:

a housing (10);

a rotor assembly (20), the rotor assembly (20) being located at least partially within the housing (10);

stator module (30), stator module (30) set up in casing (10) and be located casing (10) with between rotor subassembly (20), stator module (30) are including stator skeleton (31), winding (32) and three welding needle (33), winding (32) winding on the outer wall of stator skeleton (31) and with three welding needle (33) link to each other, three welding needle (33) are fixed on stator skeleton (31).

2. The electric machine according to claim 1, characterized in that the stator assembly (30) further comprises a welding pin holder (34), the welding pin holder (34) is fixed on the stator frame (31), and the three welding pins (33) are fixed on the welding pin holder (34) at intervals.

3. The machine according to claim 2, wherein the needle holder (34) is injection molded integrally with the stator frame (31), and the three welding needles (33) are injection molded in the needle holder (34).

4. An electric machine according to claim 3, characterized in that the winding (32) and the welding pin (33) are joined together by resistance welding.

5. The machine according to claim 2, wherein the three welding pins (33) comprise a first welding pin (331), a second welding pin (332) and a third welding pin (333), the winding (32) comprises two enameled wires, first ends of the two enameled wires are respectively connected with a first end of the first welding pin (331) and a first end of the second welding pin (332), second ends of the two enameled wires are respectively connected with a first end of the second welding pin (332) and a first end of the third welding pin (333), and the enameled wires connected with the second welding pin (332) are different enameled wires.

6. The motor according to claim 2, further comprising a hall element mount (40) and a hall element (50), wherein the hall element mount (40) is fixed to the stator frame (31), and wherein the hall element (50) is mounted on the hall element mount (40).

7. The motor according to claim 6, wherein the Hall element (50) comprises a Hall element main body (51), a first lead pin (52), a second lead pin (53) and a third lead pin (54), the second lead pin (53) is located between the first lead pin (52) and the third lead pin (54), and the first lead pin (52) and the third lead pin (54) each have a bent portion away from the second lead pin (53).

8. The electric machine according to claim 2, characterized in that it further comprises a control board (60), the second ends of the three welding pins (33) being connected to the control board (60).

9. The motor as claimed in claim 8, wherein the control plate (60) is provided with three mounting holes, and the second ends of the three welding pins (33) respectively pass through the three mounting holes and are welded and fixed.

10. The motor according to claim 1, wherein the stator frame (31) comprises a cylinder and limiting parts arranged at two ends of the cylinder, and the limiting parts are higher than the outer wall of the cylinder.

11. A water pump assembly comprising a water pump and a motor connected to the water pump, wherein the motor is as claimed in any one of claims 1 to 10.

12. A vehicle comprising a vehicle body and a water pump assembly mounted on the vehicle body, wherein the water pump assembly is the water pump assembly of claim 11.