CN114301218A - Aluminum wire motor - Google Patents
Aluminum wire motor Download PDFInfo
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- CN114301218A CN114301218A CN202111632458.5A CN202111632458A CN114301218A CN 114301218 A CN114301218 A CN 114301218A CN 202111632458 A CN202111632458 A CN 202111632458A CN 114301218 A CN114301218 A CN 114301218A
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- wire
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- aluminum wire
- copper
- aluminum
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Abstract
The invention discloses an aluminum wire motor, which comprises a motor shell, a stator assembly and a connecting wire, wherein the stator assembly is arranged in the motor shell; one end of the connecting wire is connected with the outgoing line of the stator component in series, and the other end of the connecting wire is used for being connected with a power line in series; the outgoing line is an aluminum wire, and the connecting lead is a copper wire; the aluminum wire and the copper wire are riveted, and a heat shrink tube is sleeved at the riveted position. This aluminum wire motor forms stator module's coil winding with the aluminium wire, regards as the connection media of aforementioned aluminium wire and power cord with the copper line simultaneously, consequently can have the advantage of this two of aluminium wire and copper line in the motor concurrently, this aluminum wire motor can enough exert the advantage that the cost is low in stator module and winding promptly, also can exert the copper line and be difficult for the oxidation corrosion's when stator module connects external power the strong point, consequently, this aluminum wire motor potential safety hazard is little, longe-lived.
Description
Technical Field
The invention relates to the field of motors, in particular to an aluminum wire motor.
Background
At present, the motor mostly uses a copper enameled wire (copper wire for short) as a motor winding. With the rapid rise of copper price, the cost of the motor is higher and higher, so that the adoption of an aluminum enameled wire (aluminum wire for short) to replace a copper wire gradually becomes a trend of motor development.
However, aluminum wires are more susceptible to oxidation and corrosion and are also more susceptible to burning than copper wires. The aluminum wire motor in the existing market cannot form good sealing protection for the connection part of the aluminum wire and the power line, so that the aluminum wire is very easy to oxidize and corrode, the motor fails, even the motor is triggered on fire, the potential safety hazard is large, and the service life of the motor is short.
Disclosure of Invention
The invention aims to provide an aluminum wire motor which is low in cost and high in safety.
In order to achieve the purpose, the invention provides an aluminum wire motor, which comprises a motor shell, a stator assembly and a connecting wire, wherein the stator assembly is arranged in the motor shell; one end of the connecting wire is connected with the outgoing line of the stator component in series, and the other end of the connecting wire is used for being connected with a power line in series; the outgoing line is an aluminum wire, and the connecting lead is a copper wire; the aluminum wire and the copper wire are riveted, and a heat shrink tube is sleeved at the riveted position.
Preferably, a riveting terminal is arranged between the aluminum wire and the copper wire; the aluminum wire and the copper wire are respectively penetrated into and riveted in two riveting holes of the riveting terminal; the heat shrink tube is sleeved on the periphery of the riveting terminal.
Preferably, the surface of the stator assembly is provided with a plastic enclosure; and the riveted part of the aluminum wire and the copper wire is plastically packaged in the plastic package shell.
Preferably, the plastic casing covers an axial end face of the stator assembly.
Preferably, the motor further comprises a conductive plate arranged in the motor shell and outside the plastic shell; the copper wire comprises a copper wire end I and a copper wire end II; the copper wire end I is riveted with the aluminum wire, and the copper wire end II is connected with the power line through the conductive plate.
Preferably, the conductive plate is specifically a PCB; the PCB is close to the axial end face and is fixed relative to the axial end face.
Preferably, the diameter of the copper wire is 0.7-1 times of the diameter of the aluminum wire.
Preferably, the motor casing comprises a metal casing surrounding the stator assembly, and a front metal end cover and a rear metal end cover respectively arranged at two axial ends of the stator assembly; the metal shell, the front metal end cover and the rear metal end cover are hermetically assembled.
Preferably, the motor casing is a flame retardant casing.
Compared with the background technology, the aluminum wire motor provided by the invention comprises a motor shell, a stator assembly arranged in the motor shell and a connecting wire arranged in the motor shell.
In the aluminum wire motor, the stator assembly forms a winding by using an aluminum wire, so that the outgoing line of the stator assembly is the aluminum wire, and the connecting lead is a copper wire. One end of the aluminum wire is positioned in the stator assembly, the other end of the aluminum wire is riveted with one end of the copper wire, and the other end of the copper wire is used for connecting a power line. The heat shrinkable tube is sleeved at the riveting position of the aluminum wire and the copper wire, and the heat shrinkable tube is used for sealing and further reinforcing the riveting position.
Therefore, the aluminum wire motor has the advantages of the aluminum wire and the copper wire in the motor, particularly, the aluminum wire motor can not only play the advantage of low cost of the aluminum wire in the stator assembly and the winding of the stator assembly, but also play the advantage of difficult oxidation corrosion of the copper wire when the stator assembly is connected with an external power supply, can reduce potential safety hazards and prolong the service life of the motor.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic connection diagram of an aluminum wire motor and a power wire according to an embodiment of the present invention;
fig. 2 is an assembly schematic diagram of a stator assembly and a plastic package casing provided in an embodiment of the present invention;
fig. 3 is a partial structural schematic diagram of an aluminum wire motor at a stator assembly according to an embodiment of the present invention.
The motor comprises a power line (01), a stator assembly (1), an aluminum wire (2), a copper wire (3), a heat shrinkable tube (4), a riveting terminal (5), a riveting hole (51), a plastic-sealed shell (7), a PCB (9), a metal shell (101), a front metal end cover (102), a rear metal end cover (103) and a rotor assembly (11).
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order that those skilled in the art will better understand the disclosure, the invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 to 3, fig. 1 is a schematic connection diagram of an aluminum wire motor and a power line according to an embodiment of the present invention; fig. 2 is an assembly schematic diagram of a stator assembly, a crimping terminal and a plastic package shell provided in an embodiment of the present invention; fig. 3 is a partial structural schematic diagram of an aluminum wire motor at a stator assembly according to an embodiment of the present invention.
The invention provides an aluminum wire motor, which comprises a motor shell, a stator assembly 1 and a connecting wire, wherein the stator assembly comprises a stator core and a stator core; stator module 1 and connecting wire all locate the motor casing in, stator module 1 has the lead-out wire, and this lead-out wire establishes ties in power cord 01 through connecting wire.
In the aluminum wire motor, the outgoing line of the stator assembly 1 is an aluminum wire 2, and the connecting lead is a copper wire 3. One end of the aluminum wire 2 is positioned in the stator assembly 1, the other end of the aluminum wire 2 is riveted with one end of the copper wire 3, and the other end of the copper wire 3 is used for connecting a power supply wire 01. The riveting department cover of aluminium wire 2 and copper line 3 is equipped with pyrocondensation pipe 4, and pyrocondensation pipe 4 adds the pyrocondensation to the riveting department of aluminium wire 2 and copper line 3 fixed, both can improve the leakproofness of the riveting department of aluminium wire 2 and copper line 3, can also improve the fixed connection intensity of the riveting department of aluminium wire 2 and copper line 3. Wherein, the aluminum wire 2 is generally an aluminum enameled wire, and the copper wire 3 is generally a copper enameled wire. When the aluminum wire 2 and the copper wire 3 are riveted, the enameled wires on the respective peripheries need to be removed.
Above-mentioned aluminum wire motor forms stator module 1's coil winding with aluminium wire 2 to copper line 3 is as the connection media of stator module 1 and power cord 01, consequently can have the advantage of aluminium wire 2 and copper line 3 these two in the motor concurrently, makes this aluminum wire motor both have with low costs advantage, has the difficult oxidation corrosion's of copper line 3 characteristics again, can reduce the potential safety hazard, extension motor life.
The aluminum wire motor provided by the invention is further described below with reference to the accompanying drawings and embodiments.
This aluminum wire motor can adopt riveting terminal 5 to realize the riveting of aluminum wire 2 and copper line 3. Illustratively, the rivet terminal 5 includes two relatively fixed rivet holes 51, and the aluminum wire 2 and the copper wire 3 are respectively inserted into and rivet-fixed to the two rivet holes 51, thereby achieving rivet-fixing and electrical conduction of the aluminum wire 2 and the copper wire 3.
In order to facilitate the heat shrinkable tube 4 to perform heat shrinkage fixation on the riveted part of the aluminum wire 2 and the copper wire 3, the two riveting holes 51 of the riveting terminal are closely distributed, for example, the two riveting holes 51 are closely fixed side by side, so that the overall size of the riveting terminal can be reduced, the heat shrinkable tube 4 is convenient to install, and the sealing performance of the heat shrinkable tube 4 on the riveted part can be improved.
Further, a plastic package shell 7 is also arranged in the motor shell of the aluminum wire motor; the plastic enclosure 7 is injection molded to a surface of the stator assembly 1, for example, an axial end surface of the stator assembly 1. In this aluminum wire motor, the plastic envelope 7 is located to the riveting department plastic envelope of copper line 3 and this two of aluminum wire 2, and at this moment, the plastic envelope 7 forms sealed cavity at stator module 1's local surface, and this sealed cavity can hold the riveting department of aluminum wire 2 and copper wire 3, makes aforementioned riveting department isolated with the space outside plastic envelope 7, reduces and exposes, avoids causing corrosion damage to aluminum wire 2 and the riveting department with copper wire 3.
Aiming at the aluminum wire motor with the structural characteristics, the outgoing line of the stator assembly 1 is protected doubly. The first heavy protection refers to a riveting terminal 5 and a heat shrinkable tube 4, the riveting terminal 5 can be in full contact with the aluminum wire 2 and the copper wire 3, the aluminum wire 2 and the copper wire 3 are ensured to be firmly connected, and the contact resistance of the aluminum wire 2 and the copper wire 3 at the riveting position is reduced; the heat shrinkable tube 4 is shrunk on the riveting position of the aluminum wire 2 and the copper wire 3 after being heated so as to seal the riveting position and effectively isolate air. The second protection means that the plastic package 7, the copper wire 3, the aluminum wire 2 and the riveting terminal 5 of the plastic package 7 are completely wrapped in the plastic package, so that air is further isolated, and the aluminum wire 2 is prevented from being oxidized and corroded. Therefore, under the double protection, the aluminum wire 2 of the aluminum wire motor can be completely isolated from the air, so that oxidation and corrosion are prevented, and the safe and reliable operation of the motor is guaranteed.
In combination with the conventional shape configuration of the aluminum wire motor and its stator assembly 1, the present invention provides an embodiment in which the plastic casing 7 is generally disposed at an axial end face of the stator assembly 1, that is, the plastic casing 7 covers and seals the axial end face of the stator assembly 1. The plastic capsule 7 is provided on an axial end face of the stator assembly 1, and accordingly, the outgoing lines of the stator assembly 1 are mostly led out from the inside to the outside from the axial end face thereof.
Furthermore, the aluminum wire motor provided by the invention also comprises a conductive plate; the current conducting plate is arranged in the motor casing and outside the plastic casing 7, the copper wire end I of the copper wire 3 is riveted and fixed with the aluminum wire 2, and the copper wire end II of the copper wire 3 is connected to the power line through the wire guiding plate. In other words, the power supply line is connected to one of the ends to the wiring board, and the copper line end II of the copper line 3 is connected to the other end to the wiring board.
Since the PCB9 is one of the main components of the conventional motor, the aluminum wire motor provided by the present invention can use the aforementioned PCB9 as the wire guide plate mentioned above.
The PCB9 is proximate to and fixed relative to the axial end face.
The PCB9 can be fixed to the stator assembly 1 by welding, and further, can be fixed to the motor casing and the stator assembly 1. Copper traces 3 and power traces 01 are both connected to PCB9, for example soldered to PCB9, and electrically connected via PCB 9.
The PCB9 not only can satisfy the switching on of copper line 3 and power cord 01, can also fix a position the restraint to the connection position of copper line 3 and power cord 01, further as the intermediate medium of copper line 3 and power cord, still has the effect to copper line 3 and power cord two and the too big problem of diameter difference.
To the aluminum wire motor that above-mentioned embodiment provided, the diameter of copper line 3 that it adopted can be according to the diameter pertinence setting of aluminum wire 2, for example, the diameter of copper line 3 is 0.7 ~ 1 times of the diameter of aluminum wire 2, so, can make the resistance and the cross section of copper line 3 and aluminum wire 2 two more close, be favorable to improving the connection quality of copper line 3 and aluminum wire 2's riveting department.
Further, the motor case of the aluminum wire motor may include a metal case 101, a front metal cover 102, and a rear metal cover 103; the metal casing 101 is arranged around the stator assembly 1 and is generally in a sleeve shape; the front metal end cover 102 and the rear metal end cover 103 are disposed at two axial ends of the stator assembly 1, and can be hermetically assembled at two ends of the metal casing 101, so as to provide a better sealing environment for the stator assembly 1, the PCB9, the rotor assembly 11 and other parts in the motor casing.
Particularly, the metal casing 101, the front metal end cover 102 and the rear metal end cover 103 may all be made of a flame retardant material, that is, the motor casing of the aluminum wire motor is a flame retardant casing and has good fire resistance.
In summary, in the aluminum wire motor provided by the present invention, the copper wire 3 and the PCB9 are used to indirectly connect the aluminum wire 2 of the stator assembly 1 and the power line 01 of the external power supply, so as to avoid the direct connection between the aluminum wire 2 and the power line 01, and further avoid various problems caused by the direct connection between the aluminum wire 2 and the power line 01, such as avoiding the motor burnout caused by the high temperature fire due to the overlarge contact resistance at the direct connection part between the aluminum wire 2 and the power line 01, and also avoiding the influence on the sealing performance of the heat shrink tube 4 due to the overlarge size difference between the aluminum wire 2 and the power line 01.
In addition, the aluminum wire motor provided by the invention has the characteristics of internal injection molding sealing and external metal sealing flame retardance, can effectively protect the aluminum wire 2, can achieve the purpose of fire prevention and flame retardance, ensures the running reliability of the motor and reduces the noise of the motor.
The aluminum wire motor provided by the invention is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (9)
1. An aluminum wire motor comprises a motor shell and a stator assembly (1) arranged in the motor shell, and is characterized by further comprising a connecting wire; one end of the connecting wire is connected with the outgoing line of the stator component (1) in series, and the other end of the connecting wire is used for connecting a power line (01) in series; the outgoing line is an aluminum wire (2), and the connecting lead is a copper wire (3); the aluminum wire (2) and the copper wire (3) are riveted, and a heat shrink tube (4) is sleeved at the riveted position.
2. An aluminium wire machine according to claim 1, characterized in that a riveted terminal (5) is provided between the aluminium wire (2) and the copper wire (3); the aluminum wire (2) and the copper wire (3) are respectively penetrated into and riveted in two riveting holes (51) of the riveting terminal (5); the heat shrink tube (4) is sleeved on the periphery of the riveting terminal (5).
3. The aluminum wire electric machine of claim 1, wherein the surface of the stator assembly (1) is provided with a plastic enclosure (7); the riveting part of the aluminum wire (2) and the copper wire (3) is plastically packaged in the plastic packaging shell (7).
4. An aluminium wire machine according to claim 3, characterized in that the plastic enclosure (7) covers the axial end faces of the stator assembly (1).
5. The aluminum wire electric machine of claim 4, further comprising a conductive plate disposed inside the motor casing and outside the plastic capsule (7); the copper wire (3) comprises a copper wire end I and a copper wire end II; the copper wire end I is riveted with the aluminum wire (2), and the copper wire end II is connected with a power line (01) through the conductive plate.
6. Aluminium wire machine according to claim 5, characterised in that the conductive plate is in particular a PCB (9); the PCB (9) is closely adjacent to the axial end face and is fixed relative to the axial end face.
7. The aluminum wire motor according to claim 1, wherein the diameter of the copper wire (3) is 0.7 to 1 times the diameter of the aluminum wire (2).
8. The aluminum wire motor according to any one of claims 1 to 7, wherein the motor case includes a metal case (101) that surrounds the stator assembly (1) on the circumferential side, and a front metal end cover (102) and a rear metal end cover (103) that are respectively provided on both axial ends of the stator assembly (1); the metal shell (101), the front metal end cover (102) and the rear metal end cover (103) are assembled in a sealing mode.
9. The aluminum wire motor of claim 8, wherein the motor housing is a flame retardant housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111632458.5A CN114301218A (en) | 2021-12-28 | 2021-12-28 | Aluminum wire motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111632458.5A CN114301218A (en) | 2021-12-28 | 2021-12-28 | Aluminum wire motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114301218A true CN114301218A (en) | 2022-04-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111632458.5A Pending CN114301218A (en) | 2021-12-28 | 2021-12-28 | Aluminum wire motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114301218A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201142368Y (en) * | 2008-01-09 | 2008-10-29 | 江苏三江电器集团有限公司 | Structure of copper and aluminum wire with sealing protection joint |
| US20090133927A1 (en) * | 2007-11-27 | 2009-05-28 | Yazaki Corporation | Joint structure of copper wire and aluminum wire, and joint method |
| CN201383550Y (en) * | 2008-11-25 | 2010-01-13 | 中山市赫力电机有限公司 | Connection of aluminium enameled wire and power wire of motor |
| CN102624127A (en) * | 2012-03-29 | 2012-08-01 | 合肥荣事达三洋电器股份有限公司 | Aluminum copper connection structure for aluminum wire motor |
| CN103138453A (en) * | 2013-03-04 | 2013-06-05 | 苏州爱知科技有限公司 | Motor, riveting equipment and method of riveting by using riveting equipment |
| WO2016095222A1 (en) * | 2014-12-19 | 2016-06-23 | 广东威灵电机制造有限公司 | Wire outlet structure for plastic packaging stator, and plastic packaging motor |
| CN209748292U (en) * | 2019-04-23 | 2019-12-06 | 九阳股份有限公司 | Food processing machine and aluminum winding motor for same |
| CN210576521U (en) * | 2019-11-21 | 2020-05-19 | 常州市康迪克至精电机有限公司 | Connector lug protection type three-phase alternating current motor |
| CN214125093U (en) * | 2021-01-08 | 2021-09-03 | 浙江方正电机股份有限公司 | Stator enameled wire riveting structure |
-
2021
- 2021-12-28 CN CN202111632458.5A patent/CN114301218A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090133927A1 (en) * | 2007-11-27 | 2009-05-28 | Yazaki Corporation | Joint structure of copper wire and aluminum wire, and joint method |
| CN201142368Y (en) * | 2008-01-09 | 2008-10-29 | 江苏三江电器集团有限公司 | Structure of copper and aluminum wire with sealing protection joint |
| CN201383550Y (en) * | 2008-11-25 | 2010-01-13 | 中山市赫力电机有限公司 | Connection of aluminium enameled wire and power wire of motor |
| CN102624127A (en) * | 2012-03-29 | 2012-08-01 | 合肥荣事达三洋电器股份有限公司 | Aluminum copper connection structure for aluminum wire motor |
| CN103138453A (en) * | 2013-03-04 | 2013-06-05 | 苏州爱知科技有限公司 | Motor, riveting equipment and method of riveting by using riveting equipment |
| WO2016095222A1 (en) * | 2014-12-19 | 2016-06-23 | 广东威灵电机制造有限公司 | Wire outlet structure for plastic packaging stator, and plastic packaging motor |
| CN209748292U (en) * | 2019-04-23 | 2019-12-06 | 九阳股份有限公司 | Food processing machine and aluminum winding motor for same |
| CN210576521U (en) * | 2019-11-21 | 2020-05-19 | 常州市康迪克至精电机有限公司 | Connector lug protection type three-phase alternating current motor |
| CN214125093U (en) * | 2021-01-08 | 2021-09-03 | 浙江方正电机股份有限公司 | Stator enameled wire riveting structure |
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