CN111293847A - Rotor subassembly, motor and compressor - Google Patents
Rotor subassembly, motor and compressor Download PDFInfo
- Publication number
- CN111293847A CN111293847A CN201811505473.1A CN201811505473A CN111293847A CN 111293847 A CN111293847 A CN 111293847A CN 201811505473 A CN201811505473 A CN 201811505473A CN 111293847 A CN111293847 A CN 111293847A
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- China
- Prior art keywords
- circuit board
- rotor core
- slot
- rotor assembly
- rotor
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K17/00—Asynchronous induction motors; Asynchronous induction generators
- H02K17/02—Asynchronous induction motors
- H02K17/16—Asynchronous induction motors having rotors with internally short-circuited windings, e.g. cage rotors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/30—Structural association with control circuits or drive circuits
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/32—Windings characterised by the shape, form or construction of the insulation
- H02K3/34—Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation
- H02K3/345—Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation between conductor and core, e.g. slot insulation
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/46—Fastening of windings on the stator or rotor structure
- H02K3/50—Fastening of winding heads, equalising connectors, or connections thereto
- H02K3/51—Fastening of winding heads, equalising connectors, or connections thereto applicable to rotors only
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
Abstract
The invention provides a rotor assembly, a motor and a compressor, wherein the rotor assembly comprises a rotor core, a plurality of slots, a circuit board and a conducting bar, wherein the slots are arranged on the rotor core, and each slot in the slots is communicated along the axial direction of the rotor core; the circuit board is arranged at one end of the rotor core and synchronously rotates with the rotor core; and the two ends of the conducting bar are provided with wiring terminals, and the conducting bar penetrates through the slot from the other end of the rotor core so that the wiring terminals are connected with the circuit board. The rotor assembly is suitable for various motors by connecting the wiring terminals with the circuit board, has simple structure and simple and convenient production process, is beneficial to large-scale batch production, effectively reduces the consumption of conductive materials and reduces the resistance.
Description
Technical Field
The invention relates to the technical field of motors, in particular to a rotor assembly, a motor and a compressor.
Background
The motor is the electromechanical energy conversion equipment essential in daily life, industrial and agricultural production processes. The motors include different types, and the rotor of some motors needs to be provided with windings, such as a wound-rotor asynchronous motor, a synchronous motor, a direct-current motor, a traditional double-fed motor and the like. However, the technique of providing the winding in the rotor has problems of many steps, low efficiency, excessively long end portions of the winding, large resistance of the winding, and the like.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art or the related art.
To this end, a first aspect of the invention provides a rotor assembly.
A second aspect of the invention provides an electric machine.
A third aspect of the present invention is to provide a compressor.
In view of the above, according to a first aspect of the present invention, there is provided a rotor assembly for a motor, the rotor assembly including a rotor core, a plurality of slots, a circuit board, and a bar, wherein the plurality of slots are provided on the rotor core, and each of the plurality of slots penetrates in an axial direction of the rotor core; the circuit board is arranged at one end of the rotor core and synchronously rotates with the rotor core; and the two ends of the conducting bar are provided with connecting terminals, and the conducting bar penetrates through the slot from the other end of the rotor core so that the two connecting terminals are connected with the circuit board.
The rotor assembly provided by the invention comprises a rotor core, a plurality of slots, a circuit board and a conducting bar, wherein the slots are arranged on the rotor core, and each slot in the slots is communicated along the axial direction of the rotor core. The rotor core is formed by laminating a plurality of rotor punching sheets. Preferably, the rotor punching sheet is a silicon steel sheet. The circuit board sets up in rotor core's one end and with rotor core synchronous revolution, and the both ends of conducting bar are equipped with two binding post. The conducting bar can be obtained by processing a material with a conductive function in a die in advance. Preferably, the conductor bars are made of flat copper wire. The conducting bar can pass the slot so that two binding post are connected with the circuit board from the other end of rotor core. Wherein, two binding post on the conducting bar can be connected with the circuit board according to the design demand, and then realize the connection demand of different grade type motor. The connection mode of the wiring terminal of the conducting bar and the circuit board comprises mechanical connection and electrical connection. The rotor assembly is suitable for various motors by connecting the wiring terminals with the circuit board, has simple structure and simple and convenient production process, is beneficial to large-scale batch production, effectively reduces the consumption of conductive materials and reduces the resistance. The motor can be an asynchronous motor, a synchronous motor, a direct current motor, a double-fed motor and the like.
In addition, according to the rotor assembly in the above technical solution provided by the present invention, the following additional technical features may also be provided:
in the above technical solution, preferably, the rotor assembly further includes a first shaft hole, a second shaft hole and a rotating shaft, the first shaft hole is disposed in the center of the rotor core; the second shaft hole is arranged in the center of the circuit board; the rotating shaft penetrates through the first shaft hole and the second shaft hole to be fixedly connected with the rotor core and the circuit board.
In this technical scheme, the rotor subassembly still includes first shaft hole, second shaft hole and pivot, and wherein first shaft hole sets up on rotor core. Preferably, the first shaft hole is provided at a central position of the rotor core. The second shaft hole is arranged on the circuit board. Preferably, the second shaft hole is provided at a central position of the circuit board corresponding to the first shaft hole. The rotating shaft penetrates through the first shaft hole to be fixedly connected with the rotor core, and the rotating shaft penetrates through the second shaft hole to be fixedly connected with the circuit board. The rotating shaft is driven to rotate in the rotating process of the rotor core, so that the circuit board connected to the rotating shaft, the rotor core and the rotating shaft synchronously rotate.
In any one of the above technical solutions, preferably, the connection terminal protrudes from an end surface of the rotor core close to the circuit board.
In this technical scheme, through making two binding post protrusions on the conducting bar be close to the terminal surface of circuit board in rotor core, and then be convenient for binding post and circuit board be connected, reduce the processing degree of difficulty.
Preferably, the conducting bar is the U type, and the conducting bar has two binding post, and two binding post are located the tip of conducting bar, and the terminal surface that is close to the circuit board on protrusion in rotor core after the conducting bar passes the slot, then two binding post all protrusion in rotor core's terminal surface and be close to the circuit board.
In any of the above technical solutions, preferably, the rotor assembly further includes an insulating layer disposed on the outer circumferential wall of the guide bar.
In this technical scheme, the rotor subassembly still includes the insulating layer, and this insulating layer sets up on the periphery wall of conducting bar, and then prevents the short circuit between conducting bar and the rotor core, or when can having a plurality of conducting bars because in the slot, then avoids the short circuit between conducting bar and the conducting bar, and then ensures the safety in utilization performance of motor. Preferably, the insulating layer is a polyester film.
In any of the above technical solutions, preferably, the slot includes a first slot area and a second slot area that are communicated with each other, the first slot area is located between the first shaft hole and the second slot area, and the plurality of slots include adjacent first slots and second slots; one end of the conducting bar passes through the first slot area of the first slot to be connected with the circuit board, and the other end of the conducting bar passes through the second slot area of the second slot to be connected with the circuit board.
In this technical scheme, the slot includes first groove district and the second groove district that communicates, and wherein first groove district is located between first shaft hole and the second groove district, and first groove district is close to first shaft hole promptly. The plurality of slots includes adjacent first and second slots. One end of the conducting bar passes through the first slot area of the first slot so that the wiring terminal at the end part of the conducting bar is connected with the corresponding interface on the circuit board, and the other end of the conducting bar passes through the second slot area of the second slot so as to be connected with the corresponding interface on the circuit board. That is to say, the one end of each conducting bar in a plurality of conducting bars is located the first groove district that is close to first shaft hole in the first slot, and its other end is located the second groove district that keeps away from first shaft hole in the second slot that is adjacent to first slot, can make the mode that a plurality of conducting bars inserted the slot rationalize more like this, also can make and restrict each other between a plurality of conducting bars, prevents that the conducting bar from deviating from the slot.
In any of the above solutions, preferably, the rotor assembly further comprises: the first electric interfaces are arranged on the circuit board and are mutually and electrically connected, and each first electric interface in the first electric interfaces is electrically connected with the corresponding wiring terminal.
In this technical scheme, the rotor subassembly still includes a plurality of first electrical interfaces, and a plurality of first electrical interfaces set up towards the one end of rotor core on the circuit board in mutual electric connection, and when binding post on a plurality of conducting bars stretches out from the slot, each binding post in a plurality of binding posts is connected with its corresponding first electrical interface electricity, and wherein the electric connection relation between the binding post on the conducting bar and the first electrical interface on the circuit board can set up according to the demand of different grade type motors. Preferably, when the electric machine is an asynchronous machine, then both connection terminals of each bar (both connection terminals comprise a negative terminal "N" and a positive terminal "P") are short-circuited by a plurality of first electrical interfaces.
In any of the above solutions, preferably, the rotor assembly further comprises: and the second electrical interface is arranged on the circuit board, one end of the second electrical interface is electrically connected with the corresponding wiring terminal, and the other end of the second electrical interface is connected with the power supply.
In this technical scheme, the rotor subassembly still includes the second electrical interface, and the second electrical interface sets up on the circuit board. One end of the second electrical interface is electrically connected with the wiring terminal, and the other end of the second electrical interface is electrically connected with the power supply. When the motor is a synchronous motor or a direct current motor, the N terminals and the P terminals of the guide bars are sequentially connected end to end and then connected with the second electrical interface, and the connecting terminals of the guide bars are connected with the power supply through the second electrical interface. An external direct current power supply supplies power to the conducting bars through a second electrical interface on the circuit board, so that magnetic potential generated by the conducting bars exists on the rotor iron core. When the rotor rotates, the direction of the input power supply on the circuit board is unchanged, and the magnetic potential direction of the rotor iron core is unchanged.
In any of the above solutions, preferably, the rotor assembly further comprises: the controller is arranged on the circuit board, one end of the controller is electrically connected with the first electrical interface, the other end of the controller is connected with the second electrical interface, and the controller is used for controlling the current flowing through the conducting bars and/or the current direction.
In this technical scheme, the rotor subassembly still includes the controller, and the controller setting is on the circuit board, and the one end and the first electric interface electricity of controller are connected, and the other end and the second electric interface of controller are connected. The controller is arranged to adjust the magnitude and direction of the current in the conducting bar. The rotor subassembly still includes power switch, and power switch sets up on the circuit board and establishes ties with the controller. The rotor subassembly still includes the relay, and the relay setting is on the circuit board and with controller series connection.
According to a second aspect of the present invention, there is provided an electric machine comprising: a rotor assembly as claimed in any one of the preceding claims.
The motor provided by the invention comprises the rotor assembly in any technical scheme, so that the motor has all the beneficial effects of the rotor assembly, and the details are not repeated.
According to a third aspect of the present invention, there is provided a compressor comprising: a rotor assembly or a motor as provided in any one of the above claims.
The compressor provided by the invention comprises the rotor assembly or the motor in any technical scheme, so that the compressor has all the beneficial effects of the rotor assembly or the motor, and the description is omitted.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 illustrates an exploded view of the construction of a rotor assembly in one embodiment according to the present invention;
FIG. 2 illustrates a partial structural schematic view of a rotor assembly in one embodiment according to the present invention;
FIG. 3 illustrates an electrical schematic diagram of a plurality of conductors of a rotor assembly in accordance with an embodiment of the present invention;
fig. 4 illustrates an electrical schematic diagram of a plurality of conductors of a rotor assembly in accordance with another embodiment of the present invention.
Wherein, the correspondence between the reference numbers and the component names in fig. 1 and fig. 2 is:
1 rotor core, 12 first shaft holes, 2 slots, 22 first slot areas, 24 second slot areas, 26 first slots, 28 second slots, 3 circuit boards, 32 second shaft holes, 4 guide bars, 42 wiring terminals, 5 rotating shafts and 6 rotor assemblies.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
A rotor assembly, a motor, and a compressor according to some embodiments of the present invention will be described below with reference to fig. 1 to 4.
According to a first aspect of the present invention, there is provided a rotor assembly 6 for an electric machine, the rotor assembly 6 comprising a rotor core 1, a plurality of slots 2, a circuit board 3 and a conductive bar 4, wherein the plurality of slots 2 are disposed on the rotor core 1, and each slot 2 of the plurality of slots 2 penetrates in an axial direction of the rotor core 1; the circuit board 3 is arranged at one end of the rotor core 1 and rotates synchronously with the rotor core 1; the two ends of conducting bar 4 are provided with connecting terminals 42, and conducting bar 4 passes through slot 2 from the other end of rotor core 1 so that two connecting terminals 42 are connected with circuit board 3.
As shown in fig. 1, a rotor assembly 6 provided by the present invention includes a rotor core 1, a plurality of slots 2, a circuit board 3, and a conductive bar 4, wherein the plurality of slots 2 are disposed on the rotor core 1, and each slot 2 of the plurality of slots 2 penetrates along an axial direction of the rotor core 1. The rotor core 1 is formed by laminating a plurality of rotor punching sheets. Preferably, the rotor punching sheet is a silicon steel sheet. The circuit board 3 is arranged at one end of the rotor core 1 and rotates synchronously with the rotor core 1, and the two ends of the conducting bar 4 are provided with connecting terminals 42. The conducting bar 4 can be obtained by molding a material having a conductive function in advance. Preferably, the conductor 4 is made of flat copper wire. The bar 4 may pass through the slot 2 from the other end of the rotor core 1 to connect the two terminals 42 with the circuit board 3. Wherein, two binding post 42 on conducting bar 4 can be connected with circuit board 3 according to the design demand, and then realizes the connection demand of different grade type motors. The connection mode of the connection terminal 42 of the conducting bar 4 and the circuit board 3 includes mechanical connection and electrical connection. The rotor assembly 6 is suitable for various motors by arranging the wiring terminals 42 of the conducting bars 4 to be connected with the circuit board 3, has a simple structure and a simple and convenient production process, is beneficial to large-scale batch production, effectively reduces the consumption of conductive materials, and reduces the resistance. The motor can be an asynchronous motor, a synchronous motor, a direct current motor, a double-fed motor and the like.
In one embodiment of the present invention, preferably, the rotor assembly 6 further includes a first shaft hole 12, a second shaft hole 32, and a rotating shaft 5, the first shaft hole 12 being disposed at the center of the rotor core 1; the second shaft hole 32 is provided in the center of the circuit board 3; the rotation shaft 5 passes through the first shaft hole 12 and the second shaft hole 32 to be fixedly connected with the rotor core 1 and the circuit board 3.
As shown in fig. 1, in this embodiment, the rotor assembly 6 further includes a first shaft hole 12, a second shaft hole 32, and a rotating shaft 5, wherein the first shaft hole 12 is provided on the rotor core 1. Preferably, the first shaft hole 12 is provided at a central position of the rotor core 1. The second shaft hole 32 is provided on the circuit board 3. Preferably, the second shaft hole 32 is provided at a central position of the circuit board 3 corresponding to the first shaft hole 12. The rotating shaft 5 penetrates through the first shaft hole 12 to be fixedly connected with the rotor core 1, and the rotating shaft 5 penetrates through the second shaft hole 32 to be fixedly connected with the circuit board 3. The rotating shaft 5 is driven to rotate in the rotating process of the rotor core 1, so that the circuit board 3 connected to the rotating shaft 5 rotates synchronously with the rotor core 1 and the rotating shaft 5.
In one embodiment of the present invention, it is preferable that the connection terminals 42 protrude from the end surface of the rotor core 1 near the circuit board 3.
In this embodiment, two connecting terminals 42 on the conducting bar 4 protrude from the end surface of the rotor core 1 close to the circuit board 3, so that the connecting terminals 42 are conveniently connected with the circuit board 3, and the processing difficulty is reduced.
Preferably, conducting bar 4 is the U type, and conducting bar 4 has two binding post 42, and two binding post 42 are located the tip of conducting bar 4, and after conducting bar 4 passed slot 2 back protrusion is close to the terminal surface of circuit board 3 on rotor core 1, then two binding post 42 all protrude in the terminal surface of rotor core 1 and are close to circuit board 3.
In one embodiment of the present invention, the rotor assembly 6 preferably further comprises an insulating layer disposed on the outer peripheral wall of the guide bar 4.
In this embodiment, the rotor assembly 6 further includes an insulating layer disposed on the outer circumferential wall of the conducting bars 4, so as to prevent short circuit between the conducting bars 4 and the rotor core 1, or when there are a plurality of conducting bars 4 in one slot 2, so as to prevent short circuit between the conducting bars 4 and the conducting bars 4, thereby ensuring the safety performance of the motor. Preferably, the insulating layer is a polyester film.
In one embodiment of the present invention, preferably, the slot 2 includes a first slot region 22 and a second slot region 24 which are communicated, the first slot region 22 is located between the first shaft hole 12 and the second slot region 24, and the plurality of slots 2 includes a first slot 26 and a second slot 28 which are adjacent to each other; one end of the conductive strip 4 passes through the first slot region 22 of the first slot 26 to be connected with the circuit board 3, and the other end of the conductive strip 4 passes through the second slot region 24 of the second slot 28 to be connected with the circuit board 3.
As shown in fig. 2, in this embodiment, the slot 2 includes a first slot region 22 and a second slot region 24 that are connected, wherein the first slot region 22 is located between the first shaft hole 12 and the second slot region 24, i.e. the first slot region 22 is close to the first shaft hole 12. The plurality of slots 2 includes adjacent first and second slots 26, 28. One end of bar 4 passes through first slot region 22 of first slot 26 to connect terminal 42 at its end to a corresponding interface on circuit board 3, and the other end of bar 4 passes through second slot region 24 of second slot 28 to connect to a corresponding interface on circuit board 3. That is to say, one end of each of the plurality of conducting bars 4 is located in the first slot 26 and close to the first slot area 22 of the first shaft hole 12, and the other end of each of the plurality of conducting bars 4 is located in the second slot 28 adjacent to the first slot 26 and far from the second slot area 24 of the first shaft hole 12, so that the manner of inserting the plurality of conducting bars 4 into the slot 2 can be more rationalized, and the plurality of conducting bars 4 can be mutually limited to prevent the conducting bars 4 from coming out of the slot 2.
Specifically, the rotor assembly 6 includes 8 mutually independent conductive bars 4, the conductive bars 4 are U-shaped, and each conductive bar 4 has 2 connection terminals 42, and the connection terminals 42 of the 8 conductive bars 4 can be represented as 1N, 1P, 2N, 2P … …, 8N, 8P. Wherein the current flowing from the N terminal to the P terminal of the conducting bar 4 is in the positive direction.
In one embodiment of the present invention, preferably, the rotor assembly 6 further includes: a plurality of first electrical interfaces provided on the circuit board 3 in electrical connection with each other, each of the plurality of first electrical interfaces being electrically connected to its corresponding connection terminal 42.
In this embodiment, the rotor assembly 6 further includes a plurality of first electrical interfaces, the plurality of first electrical interfaces are electrically connected to each other and disposed on the circuit board 3 at one end facing the rotor core 1, when the connection terminals 42 on the plurality of conductive bars 4 protrude from the slots 2, each of the plurality of connection terminals 42 is electrically connected to its corresponding first electrical interface, wherein the electrical connection relationship between the connection terminals 42 on the conductive bars 4 and the first electrical interfaces on the circuit board 3 can be set according to the requirements of different types of motors. Preferably, when the electric machine is an asynchronous machine, as shown in fig. 3, the two connection terminals 42 of each bar 4 (the two connection terminals 42 comprise a negative terminal "N" and a positive terminal "P") are short-circuited by a plurality of first electrical interfaces.
In one embodiment of the present invention, preferably, the rotor assembly 6 further includes: and the second electrical interface is arranged on the circuit board 3, one end of the second electrical interface is electrically connected with the corresponding wiring terminal 42, and the other end of the second electrical interface is connected with a power supply.
In this embodiment, the rotor assembly 6 further comprises a second electrical interface, and the second electrical interface is provided on the circuit board 3. One end of the second electrical interface is electrically connected to the terminal 42 and the other end of the second electrical interface is electrically connected to a power source. When the motor is a synchronous motor or a dc motor, as shown in fig. 4, the N terminal and the P terminal of the plurality of conducting bars 4 are sequentially connected end to end and then connected to the second electrical interface, and the connecting terminal 42 of the conducting bar 4 is connected to the power supply through the second electrical interface. An external dc power supply supplies power to the conducting bars 4 through a second electrical interface on the circuit board 3, so that a magnetic potential generated by the conducting bars 4 exists on the rotor core 1. When the rotor rotates, the direction of the input power on the circuit board 3 is unchanged, and the magnetic potential direction of the rotor core 1 is unchanged.
In one embodiment of the present invention, preferably, the rotor assembly 6 further includes: and the controller is arranged on the circuit board 3, one end of the controller is electrically connected with the first electrical interface, the other end of the controller is connected with the second electrical interface, and the controller is used for controlling the current magnitude and/or the current direction flowing through the conducting bars 4.
In this embodiment, the rotor assembly 6 further comprises a controller disposed on the circuit board 3, and one end of the controller is electrically connected to the first electrical interface and the other end of the controller is connected to the second electrical interface. The controller is arranged to regulate the magnitude and direction of the current flowing through the conducting bar 4. The rotor assembly 6 also includes a power switch disposed on the circuit board 3 and in series with the controller. The rotor assembly 6 also includes a relay disposed on the circuit board 3 and connected in series with the controller.
According to a second aspect of the present invention, there is provided an electric machine comprising: a rotor assembly 6 as provided in any one of the above embodiments.
The motor provided by the invention comprises the rotor assembly 6 in any embodiment, so that the motor has all the beneficial effects of the rotor assembly 6, and the description is omitted.
According to a third aspect of the present invention, there is provided a compressor comprising: a rotor assembly 6 or an electric machine as provided in any one of the above embodiments.
The compressor provided by the invention comprises the rotor assembly 6 or the motor in any embodiment, so that the compressor has all the beneficial effects of the rotor assembly 6 or the motor, and the description is omitted.
In the present invention, the term "plurality" means two or more unless explicitly defined otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
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 (10)
1. A rotor assembly for an electric machine, the rotor assembly comprising:
a rotor core;
the slots are arranged on the rotor core, and each slot in the slots is communicated along the axial direction of the rotor core;
the circuit board is arranged at one end of the rotor core and synchronously rotates with the rotor core;
the conducting bar, the both ends of conducting bar are equipped with binding post, the conducting bar certainly rotor core's the other end passes slot so that binding post with the circuit board is connected.
2. The rotor assembly of claim 1, further comprising:
a first shaft hole provided at the center of the rotor core;
a second shaft hole disposed at the center of the circuit board;
and the rotating shaft penetrates through the first shaft hole and the second shaft hole to be fixedly connected with the rotor core and the circuit board.
3. The rotor assembly of claim 1,
the wiring terminal protrudes out of the end face of the rotor core close to the circuit board.
4. The rotor assembly of claim 1, further comprising:
and the insulating layer is arranged on the peripheral wall of the guide strip.
5. The rotor assembly of claim 2,
the slots comprise a first slot area and a second slot area which are communicated, the first slot area is positioned between the first shaft hole and the second slot area, and the plurality of slots comprise adjacent first slots and second slots;
one end of the conducting bar penetrates through the first slot area of the first slot to be connected with the circuit board, and the other end of the conducting bar penetrates through the second slot area of the second slot to be connected with the circuit board.
6. The rotor assembly of any one of claims 1 to 5, further comprising:
a plurality of first electrical interfaces disposed on the circuit board in electrical connection with each other, each of the plurality of first electrical interfaces being electrically connected with its corresponding wire connection terminal.
7. The rotor assembly of claim 6, further comprising:
and the second electrical interface is arranged on the circuit board, one end of the second electrical interface is electrically connected with the corresponding wiring terminal, and the other end of the second electrical interface is connected with the power supply.
8. The rotor assembly of claim 7, further comprising:
the controller is arranged on the circuit board, one end of the controller is electrically connected with the first electrical interface, and the other end of the controller is connected with the second electrical interface and used for controlling the current flowing through the conducting bars and/or the current direction.
9. An electric machine, comprising: a rotor assembly as claimed in any one of claims 1 to 8.
10. A compressor, comprising: a rotor assembly as claimed in any one of claims 1 to 8; or an electrical machine as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811505473.1A CN111293847A (en) | 2018-12-10 | 2018-12-10 | Rotor subassembly, motor and compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811505473.1A CN111293847A (en) | 2018-12-10 | 2018-12-10 | Rotor subassembly, motor and compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111293847A true CN111293847A (en) | 2020-06-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811505473.1A Pending CN111293847A (en) | 2018-12-10 | 2018-12-10 | Rotor subassembly, motor and compressor |
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| Country | Link |
|---|---|
| CN (1) | CN111293847A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112511072A (en) * | 2020-11-17 | 2021-03-16 | 深圳市云林电气技术有限公司 | Electronic motor and electrical equipment |
-
2018
- 2018-12-10 CN CN201811505473.1A patent/CN111293847A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112511072A (en) * | 2020-11-17 | 2021-03-16 | 深圳市云林电气技术有限公司 | Electronic motor and electrical equipment |
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