A motor

Abstract

The present application discloses a motor, comprising a motor component and a controller component which are coaxially arranged and integrally mounted and connected, wherein the motor housing of the motor component and the controller housing of the controller component have the same cross-sectional shape. The motor adopts an integral mounting connection structure, and the controller component and the motor component are coaxially arranged. Therefore, compared with the existing split motor, the total volume of the motor is only more than 1 / 3 of the motor component, which reduces the volume, reduces the weight, and does not require on-site installation.

Description

Technical Field

[0001] The present invention relates to the technical field of motors, and in particular to a motor. Background Art

[0002] The motor is a commonly used power output device. The existing motor is usually composed of an independent motor component and a controller component installed separately. The motor component and the controller component are provided to the user for installation separately. The motor has the defects of large size, heavy weight, complex on-site assembly, and low protection level.

[0003] Therefore, how to solve the problems of large size, heavy weight and complex on-site assembly of split motors has become an urgent problem to be solved by technical personnel in this field. Summary of the invention

[0004] In view of this, an object of the present invention is to provide a motor to achieve motor integration and reduce the size and weight of the motor.

[0005] In order to achieve the above object, the present invention provides the following technical solutions:

[0006] A motor comprises a motor component and a controller component which are coaxially arranged and integrally mounted and connected, wherein the motor housing of the motor component and the controller housing of the controller component have the same cross-sectional shape.

[0007] Preferably, in the above motor, a DC outlet cavity and a control outlet cavity are further provided in the controller housing, wherein the DC outlet cavity is used to accommodate the DC outlet; and the control outlet cavity is used to accommodate the control outlet.

[0008] Preferably, in the above-mentioned motor, the controller cooling medium flow channel in the controller housing is communicated with the motor cooling medium flow channel in the motor housing.

[0009] Preferably, in the above-mentioned motor, the cross-sectional dimensions of the controller cooling medium flow channel are consistent with those of the motor cooling medium flow channel.

[0010] Preferably, in the above-mentioned motor, the controller component includes the controller housing, the controller end cover and a controller module located inside the controller housing, and the controller end cover is installed at one end of the controller housing away from the motor component; the controller module is connected to the stator winding of the motor component through a collector plate.

[0011] Preferably, in the above-mentioned motor, the controller module includes a power component, a capacitor component, a control component, a DC end component and an AC component;

[0012] The AC component is connected to one end of the power component, and the AC component is connected to the stator winding through the collector plate;

[0013] The control component is arranged at one end of the controller housing close to the motor component, and the control component is connected to the power component;

[0014] The power component is arranged between the outer periphery of the capacitor component and the inner wall of the controller housing;

[0015] The DC end assembly is arranged between the capacitor assembly and the end surface of the controller end cover, and the DC end assembly is connected to an external DC power supply, the positive and negative DC terminals of the power assembly and the capacitor assembly.

[0016] Preferably, in the above-mentioned motor, the inner circle shape of the cross-section of the controller housing is a polygon, the outer shape of the cross-section of the capacitor housing of the capacitor assembly is a polygon, and is the same as the inner circle shape of the cross-section of the controller housing, each edge of the capacitor housing is supported and connected to the corresponding edge of the inner circle of the controller housing, and the capacitor housing accommodates a capacitor.

[0017] Preferably, in the above-mentioned motor, the gap between the capacitor and the capacitor housing is filled with thermally conductive adhesive; and one of the power components is tightly fitted and fixed between each inner wall surface of the controller housing and the corresponding outer wall surface of the capacitor housing.

[0018] Preferably, in the above-mentioned motor, the power component includes an elastomer and a heat-generating component, and the heat-generating component is fixed on the elastomer so that the heat-generating component fits with the inner wall surface of the controller housing.

[0019] Preferably, in the above-mentioned motor, each edge of the capacitor housing is provided with a first positioning structure, and each edge of the inner circle of the controller housing is provided with a second positioning structure supported and positioned with the first positioning structure.

[0020] Preferably, in the above motor, the first positioning structure is a positioning groove, and the second positioning structure is a positioning protrusion;

[0021] Alternatively, the first positioning structure is a positioning protrusion, and the second positioning structure is a positioning groove.

[0022] Preferably, in the above-mentioned motor, a thermal insulation pad is provided between the control assembly and the internal end cover of the motor component.

[0023] Compared with the prior art, the present invention has the following beneficial effects:

[0024] In the motor provided by the present invention, the motor component and the controller component are coaxially arranged and integrally installed, and the motor housing of the motor component and the controller housing of the controller component have the same cross-sectional shape. The motor adopts an integral installation connection structure, and the controller component and the motor component are coaxially arranged. Therefore, compared with the existing split motor, the total volume of the motor is only about 1 / 3 more than the motor component, which reduces the volume, reduces the weight, and does not require on-site installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.

[0026] Figure 1 An exploded schematic diagram of a motor provided by an embodiment of the present invention;

[0027] Figure 2 An exploded schematic diagram of a controller component of a motor provided by an embodiment of the present invention;

[0028] Figure 3 A schematic diagram of the structure of a power component of a motor provided by an embodiment of the present invention;

[0029] Figure 4 A schematic structural diagram of a capacitor assembly of a motor provided by an embodiment of the present invention;

[0030] Figure 5 A schematic structural diagram of a controller housing of a motor provided in an embodiment of the present invention.

[0031] Among them, 1 is the controller component and 2 is the motor component;

[0032] 11 is the controller end cover, 12 is the DC end component, 13 is the capacitor component, 131 is the capacitor, 132 is the capacitor housing, 1321 is the first positioning structure, 14 is the power component, 141 is the elastic body, 142 is the heating component, 15 is the controller housing, 151 is the control outlet cavity, 152 is the DC outlet cavity, 153 is the second positioning structure, 16 is the AC component, and 17 is the control component;

[0033] 21 is the motor housing, 22 is the motor stator, 23 is the motor rotor, 24 is the collector plate, and 25 is the internal end cover of the motor. DETAILED DESCRIPTION

[0034] The core of the present invention is to provide a motor, realize the integration of the motor, and reduce the size and weight of the motor.

[0035] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0036] Please refer to Figure 1 and Figure 2 An embodiment of the present invention provides a motor, including a motor component 2 and a controller component 1. The motor component 2 includes a motor housing 21, a motor rotor 23 and an electronic stator 22. The controller component 1 includes a controller housing 15. The motor component 2 and the controller component 1 are coaxially arranged and integrally installed and connected. The cross-sectional shape of the motor housing 21 is consistent with that of the controller housing 15.

[0037] The motor adopts an integrated installation connection structure, and the controller component 1 and the motor component 2 are coaxially arranged. Therefore, compared with the existing split motor, the total volume of the motor is only about 1 / 3 more than the motor component 2, and the total volume is reduced by about 1 / 4 compared with the total volume of the current split motor, which reduces the volume and weight, does not require on-site installation, and has the simplest appearance.

[0038] like Figure 5 As shown, in this embodiment, a DC outlet cavity 152 and a control outlet cavity 151 are further provided in the controller housing 15. The DC outlet cavity 152 is used to accommodate the DC outlet; the control outlet cavity 151 is used to accommodate the control outlet. The DC outlet cavity 152 and the control outlet cavity 151 can protrude from the outer surface of the controller housing 15, or can be located inside the outer surface of the controller housing 15. The cable and signal line between the motor component 2 and the controller component 1 of the motor are integrated in the controller housing 15 and the motor housing 21, thereby improving the protection level of the motor, and the protection level can reach IP67. Since the cables are located inside the housing, the cables and signal lines can use cables with lower protection levels, and the protection level can be reduced to IP55. The cable cost is reduced by about 1 / 10 of the cost of the existing split motor; the power cable becomes shorter, the cable line loss is reduced, and the wiring work on site is reduced.

[0039] Furthermore, in this embodiment, the controller cooling medium flow channel is arranged in the controller housing 15, the motor cooling medium flow channel is arranged in the motor housing 21, and the controller cooling medium flow channel is connected with the motor cooling medium flow channel. Since the cooling medium flow channels are all arranged in the housing and a closed flow channel is adopted, the protection level is further improved, and the controller cooling medium flow channel is connected with the motor cooling medium flow channel, simplifying the medium circulation structure.

[0040] Furthermore, the cross-sectional dimensions of the controller cooling medium flow channel and the motor cooling medium flow channel are consistent, thereby improving the sealing performance of the connection between the two cooling medium flow channels and simplifying the processing.

[0041] like Figure 1 and Figure 2 As shown, the controller component 1 is further optimized. In this embodiment, the controller component 1 includes a controller housing 15, a controller end cover 11 and a controller module located inside the controller housing 15. The controller end cover 11 is installed at one end of the controller housing 15 away from the motor component 2. The sealing of the controller end cover 11 and the controller housing 15 meets the protection level of IP67; one end of the controller housing 15 is connected to one end of the motor housing 21, and the internal controller module is connected to the stator winding of the motor component 2 through the collector disk 24, which is easy to assemble. The collector disk 24 collects the small currents of each phase winding of the motor component 2 to the total AC terminal, and the AC terminal of the collector disk 24 forms electrical contact with the AC component 16 of the controller component 1 in a coaxial manner, thereby connecting the power circuit between the motor component 2 and the controller component 1.

[0042] In this embodiment, the controller module includes a power component 14, a capacitor component 13, a control component 17, a DC end component 12 and an AC component 16; wherein, the electrical connection between the controller module and the motor component 2 specifically means that the AC component 16 is connected to the stator winding of the motor component 2 through the collector plate 24.

[0043] The control component 17 is arranged at one end of the controller housing 15 close to the motor component, and the control component 17 is connected to the power component 14, the sensor and the external control signal; the power component 14 is arranged between the outer periphery of the capacitor component 13 and the inner wall of the controller housing 15; the DC end component 12 is arranged between the capacitor component 13 and the end face of the controller end cover 11, and the DC end component 12 is connected to the external DC power supply, the positive and negative DC terminals of the power component 14 and the capacitor component 13. The power component 14 mainly includes a multi-layer thick copper circuit board, a semiconductor power switch, a power terminal and a control terminal. The multi-layer thick copper circuit board of the power component 14 provides an electrical path for the semiconductor power switch, and the semiconductor power switch controls the on and off of the circuit. The power terminal is connected to the AC component 16 and the DC end component 12 of the controller component 1.

[0044] Further, in this embodiment, the cross-sectional inner circle of the controller housing 15 is in the shape of a polygon, and the capacitor assembly 13 includes a capacitor housing 132 and a capacitor 131, and the capacitor 131 is accommodated in the capacitor housing 132. The cross-sectional shape of the capacitor housing 132 is polygonal, and is the same as the cross-sectional inner circle shape of the controller housing 15. Each edge of the capacitor housing 132 is supported and connected with the corresponding edge of the inner circle of the controller housing 15. Specifically, the edge of the capacitor housing 132 is interference fit with the corresponding edge of the inner circle of the controller housing 15. By setting the cross-sectional inner circle of the controller housing 15 and the cross-sectional shape of the capacitor housing 132 to a polygon, a firm support connection between the capacitor assembly 13 and the controller housing 15 is achieved, and the capacitor assembly 13 is prevented from rotating in the controller housing 15. There is no need to open a hole in the housing, and there is no need to connect through parts such as screws. The connection structure is simple, and the protection level is further improved. At the same time, the capacitor assembly 13 contacts the controller housing 15 through the edge, providing a heat dissipation path for the capacitor assembly 13, and the heat is transferred to the controller housing 15 through the edge, and the heat is dissipated through the controller housing 15.

[0045] As an optimization, the cross-section inner circle of the controller housing 15 and the cross-section of the capacitor housing 132 are both hexagonal in shape, and the positioning support connection is achieved through the hexagonal and six-edge structure. Of course, the cross-section shape can also be a polygon such as a triangle, quadrilateral, pentagon or octagon.

[0046] like Figure 4 and Figure 5 As shown, further, in this embodiment, each edge of the capacitor housing 132 is provided with a first positioning structure 1321, and each edge of the inner circle of the controller housing 15 is provided with a second positioning structure 153 supported and positioned by the first positioning structure 1321. The capacitor housing 132 and the controller housing 15 are stably and reliably supported and positioned by the first positioning structure 1321 and the second positioning structure 153.

[0047] Specifically, the first positioning structure 1321 is a positioning groove, and correspondingly, the second positioning structure 153 is a positioning protrusion; or the first positioning structure 1321 is a positioning protrusion, and correspondingly, the second positioning structure 153 is a positioning groove. On a capacitor housing 132, the first positioning structure 1321 can be all positioning grooves or positioning protrusions, or have both positioning grooves and positioning protrusions, and correspondingly, the second positioning structure 153 on the controller housing 15 can be all positioning protrusions or positioning grooves, or have both positioning protrusions and positioning grooves, as long as the first positioning structure 1321 and the second positioning structure 153 can achieve the coordinated support positioning.

[0048] Furthermore, in this embodiment, the gap between the capacitor 131 and the capacitor housing 132 is filled with thermally conductive adhesive for fixing the capacitor 131 and dissipating heat, thereby improving the heat dissipation performance of the capacitor assembly 13; a power component 14 is tightly fitted and fixed between each inner wall surface of the controller housing 15 and the corresponding outer wall surface of the capacitor housing 132, and the heat generated by the power component 14 is evenly dissipated to the controller housing 15, thereby maximizing the heat dissipation capacity.

[0049] like Figure 3 As shown, further, in this embodiment, the power component 14 includes a heat-generating component 142 and an elastomer 141. The heat-generating component 142 is fixed on the elastomer 141. The elasticity of the elastomer 141 allows the heat-generating component 142 to fit the inner wall surface of the controller housing 15, so as to further reduce the thermal resistance of the power component 14 and achieve rapid heat dissipation.

[0050] In this embodiment, in order to protect the electrical components in the controller component 1 from being damaged by heat, in this embodiment, a heat insulation pad is provided between the control assembly 17 and the motor internal end cover 25 of the motor component 2.

[0051] In this embodiment, most of the structural parts are made of extruded aluminum profiles, which consumes less energy than die-cast aluminum profiles.

[0052] The various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referenced to each other.

[0053] The above description of the disclosed embodiments enables one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A motor, characterized in that: It comprises a motor component and a controller component which are coaxially arranged and integrally mounted, wherein the motor housing of the motor component and the controller housing of the controller component have the same cross-sectional shape; The controller component comprises the controller housing, the controller end cover and the controller module located inside the controller housing, the controller end cover is installed at one end of the controller housing away from the motor component; the controller module is connected to the stator winding of the motor component through a collector plate; one end of the controller housing is connected to one end of the motor housing; The controller module includes a power component, a capacitor component, a control component, a DC end component and an AC component; The AC component is connected to one end of the power component, and the AC component is connected to the stator winding through the collector plate; The control component is arranged at one end of the controller housing close to the motor component, and the control component is connected to the power component; The power component is arranged between the outer periphery of the capacitor component and the inner wall of the controller housing; The DC end assembly is arranged between the capacitor assembly and the end surface of the controller end cover, and the DC end assembly is connected to an external DC power supply, the positive and negative DC terminals of the power assembly and the capacitor assembly; The inner circle of the cross section of the controller housing is in a polygonal shape, the outer shape of the cross section of the capacitor housing of the capacitor assembly is in a polygonal shape and is the same as the inner circle of the cross section of the controller housing, each edge of the capacitor housing is supported and connected to the corresponding edge of the inner circle of the controller housing, and a capacitor is accommodated in the capacitor housing; Each edge of the capacitor housing is provided with a first positioning structure, and each edge of the inner circle of the controller housing is provided with a second positioning structure supported and positioned with the first positioning structure.

2. The motor according to claim 1, characterized in that The controller housing is further provided with a DC outlet cavity and a control outlet cavity. The DC outlet cavity is used to accommodate the DC outlet; the control outlet cavity is used to accommodate the control outlet.

3. The motor according to claim 1, characterized in that The controller cooling medium flow channel in the controller housing is communicated with the motor cooling medium flow channel in the motor housing.

4. The motor according to claim 3, characterized in that The cross-sectional dimensions of the controller cooling medium flow channel and the motor cooling medium flow channel are consistent.

5. The motor according to claim 1, characterized in that The gap between the capacitor and the capacitor housing is filled with heat-conducting glue; each inner wall surface of the controller housing and the corresponding outer wall surface of the capacitor housing are tightly fitted to fix one of the power components.

6. The motor according to claim 5, characterized in that The power assembly includes an elastic body and a heat-generating component, and the heat-generating component is fixed on the elastic body so that the heat-generating component is in contact with the inner wall surface of the controller housing.

7. The motor according to claim 1, characterized in that The first positioning structure is a positioning groove, and the second positioning structure is a positioning protrusion; Alternatively, the first positioning structure is a positioning protrusion, and the second positioning structure is a positioning groove.

8. The motor according to any one of claims 1, 5 and 6, characterized in that: A heat insulating pad is arranged between the control assembly and the internal end cover of the motor of the motor component.

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