CN113991941B - Controller with external rectification and axial magnetic field motor - Google Patents
Controller with external rectification and axial magnetic field motor Download PDFInfo
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- CN113991941B CN113991941B CN202111332175.9A CN202111332175A CN113991941B CN 113991941 B CN113991941 B CN 113991941B CN 202111332175 A CN202111332175 A CN 202111332175A CN 113991941 B CN113991941 B CN 113991941B
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- 230000017525 heat dissipation Effects 0.000 description 12
- 238000009434 installation Methods 0.000 description 12
- 238000007789 sealing Methods 0.000 description 9
- 239000003990 capacitor Substances 0.000 description 5
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- 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
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- 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
- H02K11/04—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for rectification
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- 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
- H02K11/33—Drive circuits, e.g. power electronics
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/18—Casings or enclosures characterised by the shape, form or construction thereof with ribs or fins for improving heat transfer
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
- H02K5/225—Terminal boxes or connection arrangements
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Abstract
The invention provides a controller with external rectification and an axial magnetic field motor, wherein the controller comprises a controller module, the controller module comprises a control shell and a drive control circuit board arranged in the control shell; the rectifier module comprises a rectifier shell and a rectifier circuit board arranged in the rectifier shell, and the rectifier module is positioned on one side of the controller module in the thickness direction; the rectifier module is independently arranged outside the controller module, and the rectifier module and the controller module are connected through a flexible cable; the control shell is provided with a motor mounting surface, and the controller module and the motor module are mounted into a whole through the motor mounting surface. The thickness and the volume of the controller module are effectively reduced, in addition, the rectifying module is connected with one side of the controller module in the thickness direction in a slender mode, the axial size is further reduced, the overall occupied space is further reduced, and the applicable occasions are increased.
Description
Technical Field
The invention relates to the field of axial magnetic field motors, in particular to a controller with external rectification and an axial magnetic field motor.
Background
Compared with the traditional motor, the axial magnetic field motor has the characteristics of small axial volume, large torque density and the like, and is suitable for a mounting space with small axial size. Wherein axial magnetic field motor connection director, through the operation of controller control axial magnetic field motor, the controller mostly adopts built-in or external mode to be fixed in axial magnetic field motor, this built-in mode causes axial magnetic field motor volume grow easily for occupation space is great, and current external mode need set up independent interconnecting link, connect axial magnetic field motor and controller, consequently need reserve the line space of walking, cause the big defect of occupation space equally.
In addition, the existing controller comprises a shell, a driving circuit board, a control panel circuit and the like which are arranged in the shell, wherein a rectifying module with a large filtering capacitor is integrated on the driving circuit board, the rectifying module is used for rectifying alternating current into direct current, and the capacitor acts on the rectifying module and is used for filtering out unnecessary alternating current components in a direct current power supply to smooth the direct current. Because the controller is internally provided with the drive plate and the control plate, and the drive plate is provided with the large filtering capacitor, the size of the controller is large, and the existing controller is connected to the axial magnetic field motor in a built-in or external mode, so that the overall size is increased, the advantage of small size of the axial magnetic field motor is weakened, and the application occasions of the axial magnetic field motor are reduced.
Disclosure of Invention
In order to solve the problems, the invention provides a controller with external rectification and an axial magnetic field motor, which reduce the whole volume and increase the application occasions.
According to an object of the present invention, there is provided a controller with external rectification, comprising:
the controller module comprises a control shell and a driving control circuit board arranged in the control shell;
the rectifier module comprises a rectifier shell and a rectifier circuit board arranged in the rectifier shell, and the rectifier module is positioned on one side of the controller module in the thickness direction;
the rectifier module is independently arranged outside the controller module, and the rectifier module and the controller module are connected through a flexible cable;
the control shell is provided with a motor mounting surface, and the controller module and the motor module are mounted into a whole through the motor mounting surface.
Preferably, the control housing has an inner control end face and an outer control end face, and a control periphery extending between the inner control end face and the outer control end face, the controller module thickness is defined between the inner control end face and the outer control end face, the flexible cable includes a dc cable, the rectifier module extends and is connected to the outer control end face in a manner that the length direction of the rectifier module is consistent with that of the dc cable, and the inner control end face is a motor mounting face.
As a preferable technical scheme, the control shell is divided into a bottom shell and a cover plate along the thickness direction of the control shell, and the bottom shell and the cover plate are fixed through screws or adhesives.
As a preferable technical scheme, the outer control end face is also provided with a heat dissipation fin.
According to another object of the present invention, there is also provided an axial-field motor including the controller with external rectification of the above embodiment, further including:
and the motor module is connected with the controller module through a motor cable.
As a preferred technical solution, the motor module includes a motor housing, the motor housing has an inner motor end surface, an outer motor end surface and a motor periphery extending between the inner motor end surface and the outer motor end surface, the thickness of the motor module is defined between the inner motor end surface and the outer motor end surface, the controller module is mounted on the motor module in a manner that an inner control end surface is attached to the inner motor end surface, and the motor periphery is attached to and corresponds to a control periphery portion of the controller module.
As a preferred technical solution, the motor periphery includes a motor round edge portion and a motor convex portion which are adjacent to each other, the control periphery includes a control round edge portion and a control convex portion which are adjacent to each other, the motor round edge portion and the control round edge portion are correspondingly attached to each other, the motor convex portion and the control convex portion face the same direction, and the motor convex portion protrudes out of the control convex portion, so that a wiring space for accommodating the motor cable is formed between the motor convex portion and the control convex portion, and the wiring space is located in an area surrounded by the motor periphery.
As a preferred technical scheme, a control connection port is arranged on the end face of the inner motor corresponding to the motor convex part, a motor connection port is arranged on the end face of the outer motor corresponding to the control convex part, and the motor cable is connected between the control connection port and the motor connection port in a U-shape.
As a preferred technical scheme, a rectification connection port and a communication connection port are further arranged on the outer control end face, the rectification module is detachably connected to the rectification connection port through a direct current cable, and the upper computer is detachably connected to the communication connection port through a communication cable.
As a preferred technical solution, the motor connection port, the rectifying connection port, and the communication connection port are arranged side by side on the outer control end face corresponding to the control protrusion.
Compared with the prior art, the technical scheme has the following advantages:
the controller module bears the drive control circuit, the rectifier module bears the rectifier circuit, namely the thickness and the volume of the controller module are effectively reduced in a mode that the rectifier module is independently arranged outside the controller module, in addition, the rectifier module is positioned on one side of the thickness direction of the controller module, the overall radial size is reduced, the controller module and the motor module are installed into a whole through the motor installation surface, the axial size is further reduced, the overall occupied space is further reduced, and the applicable occasions are increased. In addition, the rectifier modules are arranged on the axial direction of the controller module or at any position according to the installation requirements, and the combination mode is flexible and various.
The invention is further described with reference to the following figures and examples.
Drawings
FIG. 1 is a schematic structural view of an axial field electric machine according to the present invention;
FIG. 2 is a schematic view of the structure of the motor module and controller module combination of the present invention;
FIG. 3 is a schematic diagram of a controller module according to the present invention;
FIG. 4 is a schematic view of a driving control circuit board according to the present invention;
FIG. 5 is a schematic view of a structure of the rectifier circuit board of the present invention;
FIG. 6 is a schematic structural diagram of an electric machine module according to the present invention;
FIG. 7 is a front view of the electric machine module of the present invention;
fig. 8 isbase:Sub>A sectional view taken alongbase:Sub>A-base:Sub>A in fig. 7.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art. The basic principles of the invention, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents, and other technical solutions without departing from the spirit and scope of the invention.
First embodiment
As shown in fig. 1, 4 and 5, the controller with external rectification includes:
a controller module 100, wherein the controller module 100 includes a control housing 110 and a driving control circuit board 120 disposed in the control housing 110;
the rectifier module 200 comprises a rectifier shell 210 and a rectifier circuit board 220 arranged in the rectifier shell 210, wherein the rectifier module 200 is positioned on one side of the controller module 100 in the thickness direction;
the rectifier module 200 is independently arranged outside the controller module 100, and the rectifier module and the controller module are connected through a flexible cable;
the control housing 110 is provided with a motor mounting surface, and the controller module 100 is integrally mounted with the motor module 300 through the motor mounting surface.
The controller module 100 bears the drive control circuit, the rectifier module 200 bears the rectifier circuit, namely the thickness and the volume of the controller module 100 are effectively reduced in a mode that the rectifier module 200 is independently and externally arranged on the controller module 100, in addition, the rectifier module 200 is positioned on one side of the thickness direction of the controller module 100, the overall radial size is reduced, the controller module 100 is integrally installed with the motor module 300 through the motor installation surface, the axial size is further reduced, the overall occupied space is further reduced, and the applicable occasions are increased.
As shown in fig. 1, the control housing 110 has an inner control end 1101, an outer control end 1102 and a control periphery 1103 extending between the inner control end 1101 and the outer control end 1102, the thickness of the controller module 100 is defined between the inner control end 1101 and the outer control end 1102, the flexible cable includes a dc cable 410, the rectifier module 200 is connected to the outer control end 1102 in an extending manner such that the length direction of the rectifier module 200 is consistent with the length direction of the dc cable 410, and the inner control end 1101 is a motor mounting surface.
Specifically, the rectifier module 200 extends in the length direction of the dc cable 410, forming an elongated rectifier module 200. The cross section of the direct current cable 410 is circular, the cross section of the rectifier module 200 is rectangular, and the area of the cross section of the rectifier module 200 is slightly larger than that of the cross section of the direct current cable 410, so that the size of the rectifier module 200 is small, the overall size is further reduced, and the applicability is improved.
More specifically, the dc cable 410 is a flexible dc cable, so the rectifier module 200 and the controller module 100 can be assembled in various ways. In one embodiment, the axis of the rectifier module 200 is parallel to the axis of the controller module 100, which not only provides a compact and aesthetically pleasing structure, but also reduces the overall radial dimension. In another embodiment, the rectifier module 200 and the controller module 100 are distributed, for example, mounting brackets are separately provided for mounting, so that the assembly manner is flexible and changeable, and different use scenarios can be satisfied.
With continued reference to fig. 1, the outer control end surface 1102 is also provided with heat dissipating fins. The heat dissipation performance of the controller module 100 is improved, and the shape of the heat dissipation fins is various and is not limited herein.
As shown in fig. 1, the control housing 110 is divided into a bottom case 111 and a cover 112 along a thickness direction thereof, and the bottom case 111 and the cover 112 are fixed by screws or adhesives. That is, the control housing 110 is a separate structure, so that the driving control circuit board 120 is easily mounted and dismounted in the control housing 110, and is easily maintained.
The inner control end 1101 corresponds to an end of the cover plate 112 facing away from the bottom case 111, and the outer control end 1102 corresponds to an end of the bottom case 111 facing away from the cover plate 112, that is, the rectifier module 200 is connected to the end of the bottom case 111 facing away from the cover plate 112.
Specifically, the dimension of the bottom case 111 in the thickness direction of the control housing 110 is larger than the dimension of the cover plate 112 in the thickness direction of the control housing 110, wherein the bottom case 111 and the cover plate 112 are fixed by screws or adhesives, so that a cavity for accommodating the driving control circuit board 120 is formed between the bottom case 111 and the cover plate 112.
In summary, the controller module 100 carries the driving control circuit, the rectifier module 200 carries the rectifier circuit, that is, the thickness and the volume of the controller module 100 are effectively reduced by the way that the rectifier module 200 is independently and externally arranged on the controller module 100, in addition, the rectifier module 200 is positioned on one side of the thickness direction of the controller module 100, so as to reduce the overall radial dimension, and the controller module 100 is integrally installed with the motor module 300 through the motor installation surface, so as to further reduce the axial dimension, further reduce the overall occupied space, and increase the application occasions. Furthermore, the control housing 110 is composed of the bottom case 111 and the cover plate 112, and the two are fixed by screws or adhesives, so that the drive control circuit board 120 is convenient to disassemble, assemble and maintain. In addition, the rectifier module 200 is arranged in the axial direction of the controller module 100 or at any position according to the installation requirement, and the combination mode is flexible and various.
As shown in fig. 1, the axial magnetic field motor includes the controller with external rectification according to the above embodiment, and further includes:
an electric machine module 300, the electric machine module 300 being connected to the controller module 100 by an electric machine cable 420.
Because the axial magnetic field motor adopts the axial magnetic field motor of the embodiment, the axial magnetic field motor refers to the embodiment for the beneficial effects brought by the axial magnetic field motor.
In one embodiment, the electric machine module 300 includes a machine housing 310, the machine housing 310 having an inner machine end surface 3101, an outer machine end surface 3102, and a machine periphery 3103 extending between the inner machine end surface 3101 and the outer machine end surface 3102, the inner machine end surface 3101 and the outer machine end surface 3102 defining a thickness of the electric machine module 300 therebetween, the controller module 100 is mounted on the electric machine module 300 with the inner control end surface 1101 conforming to the inner machine end surface 3101, and the machine periphery 3103 conforming to a corresponding portion of the control periphery 1103 of the controller module 100.
That is, the motor module 300, the controller module 100, and the rectifier module 200 are axially arranged, the motor periphery 3103 partially corresponds to the control periphery 1103 of the controller module 100 in a fitting manner, and the rectifier module 200 is substantially located in an area surrounded by the control periphery 1103, so that the overall radial dimension is effectively reduced, the overall occupied space is reduced, and the application occasions are increased. In addition, the motor module 300 and the controller module 100 are tightly attached, so that cables can be saved.
In another embodiment, the motor module 300, the controller module 100 and the rectifier module 200 are distributed, and a mounting bracket may be independently installed.
According to the axial magnetic field motor, the structure is compact and attractive, flexible combination or separation is achieved by changing structural parameters of the modules, the overall arrangement mode is more flexible, the overall layout is more reasonable, and the use scenes of the axial magnetic field motor are enriched.
As shown in fig. 1, the motor periphery 3103 includes a motor rim 31031 and a motor protrusion 31032 that are adjacent to each other, the control rim 1103 includes a control rim 11031 and a control protrusion 11032 that are adjacent to each other, the motor rim 31031 and the control rim 11031 are correspondingly attached to each other, the motor protrusion 31032 and the control protrusion 11032 face the same direction, and the motor protrusion 31032 protrudes out of the control protrusion 11032, so that a wiring space for accommodating the motor cable 420 is formed between the motor protrusion 31032 and the control protrusion 11032, and the wiring space is located in a region surrounded by the motor rim 3103.
The control circular edge portion 11031 is attached to and corresponds to the motor peripheral edge 3103, and the control convex portion 11032, the motor cable 420 and the wiring space are all located in an area surrounded by the motor peripheral edge 3103. The motor cable 420 and the like are prevented from protruding beyond the control periphery 1103, so that the overall size is increased, and the versatility of the use scene is affected. In addition, the motor convex part 31032 and the control convex part 11032 face the same direction, the length of the motor cable 420 is shortened, the cost is reduced, and the motor cable 420 is further arranged to dissipate heat, so that the size of the whole size is influenced.
As shown in fig. 1, the inner motor end surface 3101 corresponding to the motor convex portion 31032 is provided with a control connection port 330, the outer control end surface 1102 corresponding to the control convex portion 11032 is provided with a motor connection port 131, and the motor cable 420 is connected between the control connection port 330 and the motor connection port 131 in a U-shape.
Wiring interference is avoided to facilitate wiring of the motor cable 420 and subsequent dc cables 410, etc., while ensuring that the motor cable 420 is located within the area enclosed by the motor periphery 3103 to provide a compact arrangement of the two.
As shown in fig. 1, the outer control end surface 1102 is further provided with a rectifying connection port 132 and a communication connection port 133, the rectifying module 200 is detachably connected to the rectifying connection port 132 through a dc cable 410, and the upper computer is detachably connected to the communication connection port 133 through a communication cable 430.
Preferably, the motor connection port 131, the rectifying connection port 132, and the communication connection port 133 are arranged side by side on the outer control end surface 1102 corresponding to the control protrusion 11032. So as to be convenient for concentrate appearance and management, and then promote wiring efficiency.
In summary, the motor module 300, the controller module 100, and the rectifier module 200 may be arranged axially or dispersedly, so that the features of compact structure and beauty are achieved, the assembly and disassembly are easy, the maintenance is flexible, and the combination manner is flexible and changeable, thereby meeting different use scenarios.
Second embodiment
As shown in fig. 2 and 3, the axial-field motor includes:
an electric machine module 300, the electric machine module 300 comprising a machine housing 310, the machine housing 310 comprising a machine rear shell 312, a machine front shell 311, and a plurality of machine connection sets 313, the plurality of machine connection sets 313 being located at a machine peripheral edge 3103 of the machine housing 310 to draw the machine rear shell 312 and the machine front shell 311 together;
a controller module 100, said controller module 100 includes a control housing 110, said control housing 110 includes a bottom shell 111, a cover 112 and a plurality of control connection sets 113, the number of said control connection sets 113 is less than the number of said motor connection sets 313, a plurality of said control connection sets 113 are located on the control periphery 1103 of said control housing 110, and each said control connection set 113 connects said motor connection set 313 while pulling said bottom shell 111 and said cover 112, so that said controller module 100 is installed on said motor module 300 in a way that said cover 112 fits said motor back shell 312, and said control periphery 1103 fits corresponding to said motor periphery 3103.
The control connection set 113 is connected to the motor connection set 313 in addition to the bottom case 111 and the cover plate 112, so that a connection structure between the motor module 300 and the controller module 100 is not additionally required, the overall size is simplified, the axial size is reduced, the overall occupied space is reduced, and the application occasions are increased.
As shown in fig. 2 and 3, the control connection set 113 includes a bottom case connection ear 1131, a cover connection ear 1132 and an external fastener, the bottom case connection ear 1131 extends outwards to protrude out of the periphery of the bottom case 111, the cover connection ear 1132 extends outwards to protrude out of the periphery of the cover plate 112, and the external fastener is pulled to connect the bottom case connection ear 1131 and the cover connection ear 1132, and is locked on the motor connection set 313.
The external fastening member may be a screw, and the screw sequentially passes through the bottom case engaging lug 1131 and the cover plate engaging lug 1132 until being screwed to the motor connecting set 313, so as to fix the bottom case 111 and the cover plate 112 and fix the controller module 100 on the motor module 300.
Specifically, the cover plate engaging lug 1132 is consistent with the thickness of the cover plate 112, and is thin, the thickness of the bottom cover engaging lug 1131 is smaller than that of the bottom cover 111, and when the cover plate 112 abuts against the bottom cover 111, the cover plate engaging lug 1132 abuts against the bottom cover engaging lug 1131, so as to prevent the penetration of the bottom cover engaging lug 1131 and the cover plate engaging lug 1132, the external fastening member is exposed, and the connection strength and the service life are influenced.
More specifically, a counter bore 11311 is formed in the bottom case engaging lug 1131 for the external fastening member to pass through, so that the external fastening member is hidden inside the control engaging set 113 and the motor engaging set 313, referring to fig. 3. Not only promote pleasing to the eye degree and joint strength, still prevent that external fastener exposes and influences life.
As shown in fig. 3, the control periphery 1103 includes a control circular edge 11031 and a control protrusion 11032 adjacent to each other, and the control circular edge 11031 is attached to the motor periphery 3103. The control connection groups 113 are disposed on the control circular portion 11031 at intervals.
The control lugs 11032 are used for wiring and are located in the area enclosed by the motor periphery 3103. The control circular portion 11031 is in close contact with and corresponds to the motor peripheral edge 3103, and the control connection group 113 provided on the control circular portion 11031 can be made to correspond to the motor connection group 313 on the motor peripheral edge 3103.
With continued reference to fig. 2, at least one of the motor connection sets 313 is spaced between two adjacent control connection sets 113. It can be seen that the number of the control connection groups 113 is less than that of the motor connection groups 313, which further reduces the structure of the controller module 100 and ensures the connection performance of the controller module 100 and the motor module 300.
As shown in fig. 2 and 3, the bottom case 112 and the cover plate 111 are sealed by a sealing groove, a sealing gasket or a sealing compound. Taking a sealant as an example, the bonding surface of the bottom case 112 and the cover plate 111 is coated with the sealant to improve the sealing property of the bonding between the two, thereby achieving a higher waterproof level.
As shown in fig. 2 and 3, the motor housing 310 and/or the control housing 110 are provided with heat dissipation fins to improve heat dissipation performance. For example, the outer control end surface 1102 and the motor periphery 3103 are provided with heat dissipating fins.
Preferably, a driving control circuit board 120 is installed inside the control housing 110, and a heat conduction material is filled between the driving control circuit board 120 and the inner wall of the control housing 110. The heat conduction material comprises heat conduction silicone grease, and is encapsulated in the control shell 110, so that the heat dissipation performance is further improved.
As shown in fig. 2 and 3, an end surface of the bottom case 111 away from the motor housing 310 is an outer control end surface 1102, and the outer control end surface 1102 is provided with a plurality of port portions 11021 for receiving ports. The ports include the motor connection port 131, the rectifying connection port 132, the communication connection port 133, and the like, and they are arranged side by side on the outer control end surface 1102 corresponding to the control protrusion 11032. So as to concentrate appearance and management, and then promote wiring efficiency.
In summary, the control connection set 113 is connected to the motor connection set 313 in addition to the bottom case 111 and the cover plate 112, so that it is not necessary to additionally add a connection structure between the motor module 300 and the controller module 100, which not only simplifies the overall size, but also reduces the axial size, thereby reducing the overall occupied space and increasing the application occasions. In addition, the heat dissipation performance is improved through the heat dissipation fins and the filling and sealing heat conduction materials. And a sealing groove, a sealing gasket or a sealing glue is arranged between the bottom case 111 and the cover plate 112, so that the sealing performance is further improved.
Third embodiment
As shown in fig. 1 to 3, the controller module 100 includes a control housing 110, the control housing 110 has an inner control end surface 1101 and an outer control end surface 1102, and a control peripheral edge 1103 extending between the inner control end surface 1101 and the outer control end surface 1102, the control peripheral edge 1103 includes a control circular edge portion 11031 and a control protrusion 11032 adjacent to each other, a plurality of port portions 11021 are disposed on the outer control end surface 1102 corresponding to the control protrusion 11032, and a wiring space is formed on a side of the control protrusion 11032 away from the control circular edge portion 11031 for accommodating a cable connecting the port portions 11021.
The cable includes a motor cable 420 connecting the motor module 300 and the controller module 100 so that the cable is wired from the wiring space near the port portion 11021, not only saving the cable but also preventing wiring interference. In addition, the defect that the overall volume of the controller module 100 is increased due to the fact that the cables are connected in a messy mode is avoided, and therefore the installation scene is influenced.
As shown in fig. 3, the arc of the control rim portion 11031 is greater than 200 ° so that the control rim 1103 is substantially circular. In this way, the control circular edge portion 11031 of the controller module 100 can be made to fit and correspond to the motor peripheral edge 3103 of the motor module 300, and the overall size can be reduced to be suitable for a mounting space having a short axial dimension, as shown in fig. 2.
As shown in fig. 3, the dimension of the control protrusion 11032 in the circumferential direction of the control circular edge 11031 is 4 times or more the dimension of the control protrusion 11032 in the radial direction of the control circular edge 11031, so that the control protrusion 11032 has a rectangular shape, and a plurality of the port 11021 are arranged in the longitudinal direction of the rectangular shape of the control protrusion 11032, so that the distance between the port 11021 and the wiring space is short, thereby saving a cable and facilitating wiring.
Further, the dimension of the control protrusion 11032 in the radial direction of the control circular portion 11031 is smaller than 2 times the diameter of the port portion 11021. So that the control protrusion 11032 has a smaller size in the radial direction of the control circular edge portion 11031, and the control protrusion 11032 is prevented from exceeding the area surrounded by the motor peripheral edge 3103, thereby increasing the overall size and affecting the applicability of the installation environment, refer to fig. 2.
Further, the port portion 11021 is located at a middle position of the control protrusion 11032 along the radial dimension of the control circular portion 11031. The arrangement space is reasonably utilized, so that the distance between each port part 11021 and the wiring space is consistent, the length is short, cables are saved, and meanwhile wiring efficiency is improved.
With continued reference to fig. 3, the side of the control protrusion 11032 away from the control circular portion 11031 is horizontal to prevent irregularities from affecting the routing of cables.
As shown in fig. 3, the inner control end surface 1101 and the outer control end surface 1102 define a thickness of the controller module 100 therebetween, and the thickness of the controller module 100 is smaller than the radius of the control circular edge 11031, so that the controller module 100 is flat. So as to reduce the axial size of the controller module 100 and to axially arrange the controller module and the motor module 300, thereby reducing the overall size and enriching the use scenes.
As shown in fig. 3, the outer control end surface 1102 corresponding to the control circular edge portion 11031 is provided with heat dissipation fins to improve heat dissipation performance.
In summary, the cable includes a motor cable 420 connecting the motor module 300 and the controller module 100 so that the cable is wired from the wiring space near the port 11021, which not only saves the cable, but also prevents wiring interference. In addition, the defect that the overall volume of the controller module 100 is increased due to the fact that the cables are connected in a messy mode is avoided, and therefore the installation scene is influenced.
Fourth embodiment
As shown in fig. 8, the universal motor connecting set 313 includes a front case connector 3131, a rear case connector 3132, a motor fastener and an external fastener, the front case connector 3131 abuts against the rear case connector 3132, and a multi-stage connecting passage 3133 is formed through the front case connector 3131 and the rear case connector 3132, respectively, the motor fastener is connected to and hidden in the middle of the multi-stage connecting passage 3133 to pull the front case connector 3131 and the rear case connector 3132, and the external fastener is screwed to both sides of the multi-stage connecting passage 3133 to fix an external device on the front case connector 3131 or the rear case connector 3132.
It can be seen that the motor connection set 313 not only enables connection of the front case connector 3131 and the rear case connector 3132, but also enables connection with an external device, which includes a controller module and the like. The separation of the two connecting structures is prevented, so that the overall structure is redundant and material is wasted until the cost is increased. And this application integration two connection structure, not only reduce overall dimension, and then reach the universalization to and satisfy multiple mounting means demand under the different use scenes.
As shown in fig. 8, the front housing connector 3131 has a front housing inner end face 31311 and a front housing outer end face 31312, and a front housing passage 31313 extending through the front housing inner end face 31311 and the front housing outer end face 31312;
the rear-housing connector 3132 has a rear-housing inner end surface 31321 and a rear-housing outer end surface 31322, and a rear-housing passage 31323 passing through the rear-housing inner end surface 31321 and the rear-housing outer end surface 31322, and the front-housing connector 3131 is connected to the rear-housing connector 3132 such that the front-housing inner end surface 31311 abuts against the rear-housing inner end surface 31321, and the front-housing passage 31313 and the rear-housing passage 31323 form the multi-stage connection passage 3133.
Specifically, the rear housing passage 31323 is divided into a primary threaded hole 313a, a secondary countersunk hole 313b, and a tertiary threaded hole 313c in sequence from the rear housing inner end surface 31321 to the rear housing outer end surface 31322;
the front housing passage 31313 is divided into a primary countersunk hole 313d and a secondary threaded hole 313e in sequence from the front housing inner end surface 31311 to the front housing outer end surface 31312.
In one embodiment, the head of the motor fastener is located in the primary counter-sunk hole 313d, and the tail of the motor fastener is threadedly coupled to the primary threaded hole 313a, such that the motor fastener pulls the front and rear case connectors 3131, 3132.
In another embodiment, the male connector is screwed into the secondary threaded hole 313e to secure a male device to the front case connector 3131 away from the rear case connector 3132.
In another embodiment, the external connection fastener is inserted through the tertiary screw hole 313c and is screwed into the primary screw hole 313a, so that the external device is separated from the front case connector 3131 and fixed to the rear case connector 3132.
In another embodiment, the male connector is threadedly engaged with the tertiary threaded hole 313c to secure a male device to the rear case connector 3132 away from the front case connector 3131.
As described above, the external device can be mounted on the front housing connector 3131 by using the secondary screw hole 313e, specifically, can be abutted and fixed on the front housing outer end surface 31312. And the peripheral device is mounted on the rear housing connector 3132, specifically, fixed in abutment with the rear housing outer end surface 31322, by means of the tertiary threaded hole 313c or the primary threaded hole 313 a. And the external connection fasteners screwed in the secondary threaded holes 313e, the tertiary threaded holes 313c and the primary threaded holes 313a are positioned at one side of the motor fastener in the axial direction, i.e. the external connection fasteners and the motor fastener are simultaneously positioned in the multi-stage connection passage 3133 to realize the connection of the front shell connector 3131 and the rear shell connector 3132 and the connection of the motor connection group 313 and the external device, and the external device can be mounted on the front shell connector 3131 or the rear shell connector 3132, so as to meet the requirements of various mounting modes under different use scenes.
With reference to fig. 8, the diameters of the secondary threaded hole 313e and the tertiary threaded hole 313c are respectively greater than the diameter of the primary threaded hole 313a, so that the multi-stage connecting passage 3133 forms a plurality of stepped holes with different sizes, which meets the installation requirements of the motor fastener and the external fastener, thereby achieving universal installation.
In summary, the motor connection group 313 not only realizes the connection between the front case connector 3131 and the rear case connector 3132, but also realizes the connection with an external device, which includes a controller module and the like. The separation of the two connecting structures is prevented, so that the overall structure is redundant and materials are wasted until the cost is increased. And this application integration two connection structure, not only reduce whole size, and then reach the universalization to and satisfy multiple mounting means demand under the different use scenes.
As shown in fig. 6 to 8, in the electric machine module 100, the electric machine module 100 further includes a machine housing 110, the machine housing 110 includes a plurality of the machine connecting sets 313 of the above embodiments, a machine rear shell 312 and a machine front shell 311, and a plurality of the machine connecting sets 313 are located on a machine peripheral edge 3103 of the machine housing 110 to pull the machine rear shell 312 and the machine front shell 311.
Since the motor module 100 employs the motor connection set 313 of the above embodiment, the motor module 100 has the beneficial effects brought by the motor connection set 313, which refer to the above embodiment.
Referring to fig. 6, at least one rotor and at least one stator are installed inside the motor housing 100, the rotor is fixed on the rotating shaft 320, the stator is sleeved on the rotating shaft 320, and the rotating shaft 320 penetrates out of the motor front housing 311.
With continued reference to fig. 6, the front case connector 3131 is attached to the circumference of the motor front case 311, both of which are uniform and flush in size in the thickness direction of the motor module 100. The rear case connector 3132 is connected to the periphery of the motor rear case 312, and the two are identical and flush in size along the thickness direction of the motor module 100, so that the motor front case 311 and the motor rear case 312 are fixed by the motor connection set 313, and an external device is fixed to the rear case 312 or the motor front case 311 by using the motor connection set 313.
Fifth embodiment
As shown in fig. 4 and 5, the separated circuit board includes a driving control circuit board 120 and a rectifying circuit board 220 separated from each other, so that the rectifying circuit board 220 is independently disposed with respect to the driving control circuit board 120, and the driving control circuit board 120 and the rectifying circuit board 220 are connected by a cable.
The driving control circuit board 120 corresponds to the controller module 100, and the rectifier circuit board 220 corresponds to the rectifier module 200, referring to fig. 1. Compared with the prior art, the rectifier circuit board 220 is independently arranged relative to the driving control circuit board 120, so that the overall size of the driving control circuit board 120 is smaller, the thickness of the controller module 100 is further reduced, the connecting wire harness of the controller is reduced, and the controller module is convenient to detach and install.
As shown in fig. 4, the driving control circuit board 120 includes an inverter circuit part 121, a power circuit part 122, and a control circuit part 123.
The main device of the inverter circuit portion 121 is a power module IPM, wherein the IPM is an advanced power switching device having advantages of a GTR (large power transistor) high current density, a low saturation voltage and a high voltage resistance, and advantages of a MOSFET (field effect transistor) high input impedance, a high switching frequency and a low driving power. And logic, control, detection and protection circuits are integrated in the IPM, so that the IPM is convenient to use, the size and the development time of the system are reduced, and the reliability of the system is greatly enhanced. The main device of the power circuit part 122 is a DC-DC module, which is a power supply that can be directly attached to a printed circuit board, and is characterized by supplying power to an application specific integrated circuit, a digital signal processor, a microprocessor, a memory, a field programmable gate array, and other digital or analog loads. The control circuit part 123 mainly includes an MCU and peripheral circuits thereof, a motor current signal acquisition circuit, a motor speed signal acquisition circuit, and a communication circuit, and the main devices are logic chips required by the main control chip MCU and other various circuits.
Further, the inverter circuit part 121, the power circuit part 122 and the control circuit part 123 are all fan-shaped to surround the circular driving control circuit board 120 to adapt to the control housing 110 having a substantially circular shape, refer to fig. 3, thereby reducing the thickness of the control housing 110.
Furthermore, the radians of the inverter circuit part 121 and the power circuit part 122 are 90 °, the radians of the control circuit part 123 are 180 °, the layout is reasonable, the compactness of the driving control circuit board 120 is improved, the thickness of the controller module 100 is thin, and the application environment is further increased.
Further, the edge of the inverter circuit part 121 away from the control circuit part 123 and the edge of the power circuit part 122 away from the control circuit part 123 form a rectangular driving wiring part 124. The driving connection portion 124 is provided with a plurality of port portions 11021 corresponding to the control protrusion 11032, so as to realize connection.
As shown in fig. 5, the rectification circuit board includes an alternating current input part 221, a filter circuit part 222, an EMC circuit part 223, and a direct current output part 224.
The main devices of the ac input part 221 are a rectifier bridge, a relay, and the like. The filter circuit portion 222 mainly includes a filter capacitor and the like. The main devices of the EMC circuit part 223 are a common mode inductor, a thin film capacitor, and the like. The main components of the dc output section 224 are terminals and the like.
Further, the alternating current input part 221, the EMC circuit part 223, and the direct current output part 224 are surrounded around the filter circuit part 222 to form the rectangular rectifier circuit board 220 to fit the rectifier case 210 in a rectangular parallelepiped shape.
Further, the alternating current input part 221 and the direct current output part 224 are provided on both sides of the filter circuit part 222, respectively, wherein the alternating current input part 221 is L-shaped, the direct current output part 224 and the EMC circuit part 223 are in-line, and the EMC circuit part 223 is located between the alternating current input part 221 and the direct current output part 224. The rectifier circuit board is compactly arranged, and the size of the rectifier circuit board is reduced so as to improve the applicability of the installation environment of the rectifier circuit board.
Specifically, the ac power input part 221 and the dc power output part 224 are located at both left and right sides of the filter circuit part 222, and the EMC circuit part 223 is located at a front side of the filter circuit part 222, so that the ac power input part 221, the EMC circuit part 223, and the dc power output part 224 are surrounded around the filter circuit part 222, thereby forming the rectangular rectifier circuit board 220.
More specifically, the alternating current input section 221 includes an alternating current wiring portion 2211, the direct current output section 224 includes a direct current wiring portion 2241, and the alternating current wiring portion 2211 and the direct current wiring portion 2241 are diagonally disposed. So that the two are independently wired without interference.
As shown in fig. 1, 4 and 5, the dc connection part 2241 of the rectification circuit board 220 is opposite to the driving connection part 124 and is connected by a cable.
In summary, the rectifier circuit board 220 is independently disposed relative to the driving control circuit board 120, so that the driving control circuit board 120 has a smaller overall size, and the thickness of the controller module 100 is reduced, thereby enriching the usage scenarios of the controller module. Compared with the structure of two-layer stacked circuit boards in the prior art, the structure reduces the connecting wire harness of the controller, and in addition, the rectifier circuit board 220 and the drive control circuit board 120 can be randomly arranged so as to be convenient for disassembly and assembly and installation.
Sixth embodiment
As shown in fig. 3 to 5, the controller module 100 includes a control housing 110 and a driving control circuit board 120 disposed in the control housing 110, the control housing 110 has an inner control end 1101 and an outer control end 1102, the driving control circuit board 120 includes an inverter circuit portion 121, a power circuit portion 122 and a control circuit portion 123, the inverter circuit portion 121, the power circuit portion 122 and the control circuit portion 123 are located in the same plane to integrate a sheet-like driving control circuit board 120, and the driving control circuit board 120 is accommodated between the inner control end 1101 and the outer control end 1102 in a tightly overlapped manner.
The rectifying portion of the driving control circuit board 120 is removed to form a sheet-shaped driving control circuit board 120, so that the thickness of the controller module 100 is further reduced compared to the structure of stacking circuit boards on two sides in the prior art, thereby meeting different usage scenarios.
Preferably, the driving control circuit board 120 is parallel to the inner control end surface 1101 and the outer control end surface 1102 respectively, so that the driving control circuit board 120 is closely overlapped between the inner control end surface 1101 and the outer control end surface 1102, and the purpose of reducing the thickness of the controller module 100 is achieved.
As shown in fig. 3, the control housing 110 further has a control periphery 1103 extending between the inner control end 1101 and the outer control end 1102 for enclosing the drive control circuit board 120 within the control housing 110.
Specifically, the control periphery 1103 includes a control circular edge portion 11031 and a control protrusion 11032 which are adjacent to each other, and the driving wire portion 124 is opposite to the control protrusion 11032 so as to form a port portion 11021 on the outer control end surface 1102 corresponding to the control protrusion 11032.
More specifically, the dimension of the control protrusion 11032 in the circumferential direction of the control circular edge portion 11031 is 4 times or more the dimension of the control protrusion 11032 in the radial direction of the control circular edge portion 11031, so that the control protrusion 11032 has a rectangular shape.
As shown in fig. 4, the inverter circuit part 121, the power circuit part 122 and the control circuit part 123 are all shaped like a fan to surround the drive control circuit board 120 in a circular shape to fit the control housing 110 in a substantially circular shape.
Wherein the arc degree of the inverter circuit part 121 and the power circuit part 122 is 90 °, and the arc degree of the control circuit part 123 is 180 °. The edge of the inverter circuit part 121 remote from the control circuit part 123 forms a rectangular driving wiring part 124 opposite to the edge of the power circuit part 122 remote from the control circuit part 123. The driving wiring portion 124 corresponds to the control protrusion 11032 to realize wiring.
As shown in fig. 3, the outer control end surface 1102 corresponding to the control round portion 11031 is provided with heat dissipation fins to improve heat dissipation performance.
In summary, the rectifying portion of the driving control circuit board 120 is removed to form a sheet-shaped driving control circuit board 120, so that the thickness of the controller module 100 is further reduced compared to the structure of stacking circuit boards on two sides in the prior art, thereby meeting different usage scenarios.
The above-mentioned embodiments are only for illustrating the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the same, and the scope of the present invention is not limited by the embodiments, i.e. all equivalent changes or modifications made in the spirit of the present invention are still within the scope of the present invention.
Claims (9)
1. An axial field electric machine comprising a controller with external commutation and an electric machine module (300), the controller with external commutation comprising: the controller module (100) and the rectifier module (200), the rectifier module (200) is independently arranged outside the controller module (100), and the rectifier module (200) is positioned in an area surrounded by a control periphery (1103) of the controller module (100); the motor module (300) is connected with the controller module (100) through a motor cable (420);
the electric machine module (300) comprises an electric machine housing (310), the electric machine housing (310) having an inner electric machine end surface (3101), an outer electric machine end surface (3102) and an electric machine peripheral edge (3103) extending between the inner electric machine end surface (3101) and the outer electric machine end surface (3102), the inner electric machine end surface (3101) and the outer electric machine end surface (3102) defining a thickness of the electric machine module (300), the controller module (100) being mounted on the electric machine module (300) with an inner control end surface (1101) in conformity with the inner electric machine end surface (3101), and the electric machine peripheral edge (3103) being in partial conformity with a control peripheral edge (1103) of the controller module (100);
the motor peripheral edge (3103) comprises a motor round edge part (31031) and a motor convex part (31032) which are adjacent, the control peripheral edge part (1103) comprises a control round edge part (11031) and a control convex part (11032) which are adjacent, the motor round edge part (31031) and the control round edge part (11031) are correspondingly attached, the motor convex part (31032) and the control convex part (11032) face the same direction, and the motor convex part (31032) protrudes out of the control convex part (11032), so that a wiring space for accommodating the motor cable (420) is formed between the motor convex part (31032) and the control convex part (11032), and the wiring space is positioned in a region surrounded by the motor peripheral edge (3103).
2. The axial field machine of claim 1, wherein the controller module (100) includes a control housing (110) and a drive control circuit board (120) disposed within the control housing (110), the control housing (110) having an inner control end face (1101) and an outer control end face (1102), and a control periphery (1103) extending between the inner control end face (1101) and the outer control end face (1102), the inner control end face (1101) and the outer control end face (1102) defining the controller module (100) thickness therebetween.
3. The axial field machine of claim 2, wherein the controller module (100) and the rectifier module (200) are connected by a flexible cable, the flexible cable comprising a dc cable (410), the rectifier module (200) being connected to the outer control end surface (1102) in an extending manner such that the length of the rectifier module (200) coincides with the length of the dc cable (410).
4. The axial field motor of claim 2, wherein the rectifier module (200) comprises a rectifier housing (210) and a rectifier circuit board (220) disposed in the rectifier housing (210), the rectifier module (200) being located on one side in a thickness direction of the controller module (100).
5. The axial magnetic field motor according to claim 2, wherein the control housing (110) is divided into a bottom case (111) and a cover plate (112) in a thickness direction thereof, and the bottom case (111) and the cover plate (112) are fixed by a screw or an adhesive.
6. An axial field electric machine according to claim 2, characterised in that the outer control end surface (1102) is further provided with cooling fins.
7. The axial field motor according to claim 1, wherein a control connection port (330) is provided on the inner motor end surface (3101) corresponding to the motor protrusion (31032), a motor connection port (131) is provided on the outer control end surface (1102) corresponding to the control protrusion (11032), and the motor cable (420) is connected between the control connection port (330) and the motor connection port (131) in a U-shape.
8. The axial field electric machine according to claim 7, wherein the outer control end surface (1102) is further provided with a rectifying connection port (132) and a communication connection port (133), the rectifying module (200) is detachably connected to the rectifying connection port (132) through a direct current cable (410), and the upper computer is detachably connected to the communication connection port (133) through a communication cable (430).
9. The axial field motor of claim 8, wherein the motor connection port (131), the commutation connection port (132), and the communication connection port (133) are disposed side-by-side on the outer control end surface (1102) corresponding to the control protrusion (11032).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310143309.5A CN116111785A (en) | 2021-11-11 | 2021-11-11 | Controller with external rectification and axial magnetic field motor |
| CN202111332175.9A CN113991941B (en) | 2021-11-11 | 2021-11-11 | Controller with external rectification and axial magnetic field motor |
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| CN202111332175.9A CN113991941B (en) | 2021-11-11 | 2021-11-11 | Controller with external rectification and axial magnetic field motor |
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| CN202310143309.5A Division CN116111785A (en) | 2021-11-11 | 2021-11-11 | Controller with external rectification and axial magnetic field motor |
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Also Published As
| Publication number | Publication date |
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| CN113991941A (en) | 2022-01-28 |
| CN116111785A (en) | 2023-05-12 |
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Denomination of invention: Controller with external rectification and axial field motor Effective date of registration: 20231214 Granted publication date: 20230303 Pledgee: China Minsheng Bank Limited Jinhua Branch Pledgor: Zhejiang Panhu Power Technology Co.,Ltd. Registration number: Y2023980071207 |