CN222813985U - Three-phase connector and vehicle - Google Patents
Three-phase connector and vehicle Download PDFInfo
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- CN222813985U CN222813985U CN202420512971.3U CN202420512971U CN222813985U CN 222813985 U CN222813985 U CN 222813985U CN 202420512971 U CN202420512971 U CN 202420512971U CN 222813985 U CN222813985 U CN 222813985U
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Abstract
The utility model discloses a three-phase connector and a vehicle, wherein the three-phase connector comprises a shielding ring, three-phase conducting bars, a mounting bracket and a partition layer, wherein the three-phase conducting bars penetrate through the shielding ring and comprise three conducting bars which are distributed at intervals, the mounting bracket is injection-molded outside the shielding ring and the three-phase conducting bars, and the mounting bracket comprises the partition layer positioned between two adjacent conducting bars. According to the three-phase connector disclosed by the embodiment of the utility model, the design and arrangement are integrated, the shielding ring is arranged in the three-phase connector, so that the high-frequency electromagnetic interference caused by a power module can be effectively reduced, meanwhile, the three-phase conductor bars connected with the motor U, V, W are separated by adopting a plastic separation layer, and the creepage risk is reduced.
Description
Technical Field
The utility model relates to the technical field of vehicles, in particular to a three-phase connector and a vehicle.
Background
The new energy automobile is rapidly developed, the electric drive system is also developed to high integration level, high voltage and high power density, the electric drive system is highly integrated, the high integration of the electric drive function is realized, and the requirements on the integrated design of the structure are higher.
Along with the development of a high-voltage platform and the continuous improvement of electric drive power density, the application of the SiC power module is gradually increased, and the high-voltage SiC power module can emit high-frequency electromagnetic interference, and the interference is transmitted to a motor through a three-phase copper bar, so that the motor can possibly generate shaft voltage and shaft current, and the service life of a motor bearing is influenced.
At present, electromagnetic interference isolation of a controller is mainly concentrated on the input side of a direct current bus for filtering isolation, and the three-phase alternating current copper bar output end is less in adding filtering and cannot be coupled in a three-phase connector in a highly integrated manner.
Disclosure of utility model
The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, an object of the present utility model is to provide a three-phase connector, which satisfies the high-integration design layout of the controller, and in which a shielding ring is placed in a reserved space in the connector, so that the high-frequency electromagnetic interference caused by the power module can be effectively reduced, and meanwhile, the three-phase conductor bars connected with the motor U, V, W are separated by a plastic separation layer, so as to reduce the creepage risk.
The three-phase connector comprises a shielding ring, three-phase conducting bars and a mounting bracket, wherein the three-phase conducting bars penetrate through the shielding ring and comprise three conducting bars which are distributed at intervals, the mounting bracket is formed outside the shielding ring and the three-phase conducting bars in an injection molding mode, and the mounting bracket comprises a partition layer positioned between two adjacent conducting bars.
According to the three-phase connector provided by the embodiment of the utility model, the three-phase conductive bars, the mounting bracket, the shielding ring and the like are integrated into a whole through the injection molding integrated design, so that the connection stability and the reliability of the components are ensured, the high-frequency electromagnetic interference brought by the power module can be effectively reduced through the shielding ring, the integrated design production efficiency is high, meanwhile, the plastic isolation layer partition is adopted between the three-phase conductive bars connected with the motor U, V, W, and the creepage risk is reduced.
According to the three-phase connector provided by the embodiment of the utility model, the three conductive bars are respectively a first conductive bar, a second conductive bar and a third conductive bar, the first conductive bar comprises a first transverse plate, a first body plate and a first longitudinal plate which are sequentially connected, the second conductive bar comprises a second transverse plate, a second body plate and a second longitudinal plate which are sequentially connected, the third conductive bar comprises a third transverse plate, a third body plate and a third longitudinal plate which are sequentially connected, wherein the first body plate, the second body plate and the third body plate extend along a first direction and are distributed at intervals in a second direction, the first transverse plate, the second transverse plate and the third transverse plate extend along a second direction and are distributed at intervals in the first direction, and the first longitudinal plate, the second longitudinal plate and the third longitudinal plate extend along a third direction and are distributed at intervals.
According to the three-phase connector provided by the embodiment of the utility model, the first vertical plate, the second vertical plate and the third vertical plate are respectively provided with a first connecting part, a second connecting part and a third connecting part correspondingly, and the first connecting part, the second connecting part and the third connecting part are positioned between the first connecting part and the third connecting part in the projection along the first direction.
According to the three-phase connector provided by the embodiment of the utility model, the first longitudinal plate is bent along the second direction of the first body plate, the second longitudinal plate comprises a first bending section and a second bending section, the first bending section is bent along the second direction of the second body plate and is overlapped with the first longitudinal plate, the second bending section is bent along one side, deviating from the second direction, of the first bending section, the second connecting part is positioned at the second bending section, and the first connecting part is positioned at the bottom of the first longitudinal plate.
According to the three-phase connector provided by the embodiment of the utility model, the third longitudinal plate is bent along one side of the third body plate, which is away from the second direction, and the third longitudinal plate and the second longitudinal plate are positioned on different planes.
According to the three-phase connector provided by the embodiment of the utility model, the mounting bracket comprises the transverse sub-frame bodies and the longitudinal sub-frame bodies which are distributed in an L shape, the first transverse plate, the second transverse plate and the third transverse plate are positioned on the upper surface of the transverse sub-frame bodies, and the first longitudinal plate, the second longitudinal plate and the third longitudinal plate are positioned on one side of the longitudinal sub-frame bodies, which is away from the transverse sub-frame bodies.
According to the three-phase connector provided by the embodiment of the utility model, the extension lengths of the first body plate, the second body plate and the third body plate along the first direction are sequentially increased, and the extension lengths of the first longitudinal plate, the second longitudinal plate and the third longitudinal plate along the third direction are sequentially shortened.
According to the three-phase connector provided by the embodiment of the utility model, the shielding ring is sleeved on one side of the three-phase conductive bar, which is clung to the first longitudinal plate, the second longitudinal plate and the third longitudinal plate.
According to the three-phase connector provided by the embodiment of the utility model, the mounting bracket is embedded with the nut, and the nut avoids the position of the three-phase conductive bar.
The embodiment of the utility model discloses a vehicle, which comprises a power module, a motor stator and the three-phase connector, wherein the motor stator is provided with a stator three-phase terminal, and the power module is connected with the stator three-phase terminal of the motor stator through the three-phase connector.
The vehicle has the same advantages as the prior art and the three-phase connector, and is not described in detail herein.
Additional aspects and advantages of the utility model 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 utility model.
Drawings
The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is an integrated view of a three-phase connector according to an embodiment of the present utility model;
FIG. 2 is an exploded view of a three-phase connector according to an embodiment of the present utility model;
FIG. 3 is a schematic view of a three-phase conductor bar according to an embodiment of the present utility model;
fig. 4 is a schematic diagram of a position of a three-phase conductor bar connected to a three-phase terminal of a stator according to an embodiment of the present utility model;
Fig. 5 is a schematic structural view of a three-phase connector connected to a power module and a motor stator according to an embodiment of the present utility model.
Reference numerals:
Three-phase connector 100, three-phase conductor bar 1, first conductor bar 11, first cross plate 111, first longitudinal plate 112, first body plate 113, first connection 1121, second conductor bar 12, second cross plate 121, second longitudinal plate 122, second body plate 123, first bending section 1221, second bending section 1222, second connection 1223, third conductor bar 13, third cross plate 131, third longitudinal plate 132, third body plate 133, third connection 1321,
The mounting bracket 2, the transverse sub-bracket body 21, the longitudinal sub-bracket body 22, the first area 221, the second area 222, the third area 223, the housing 23, the nut 24,
The partition 3, the first partition 31, the second partition 32,
A shielding ring 4, a power module 5, a motor stator 6, a stator three-phase terminal 7, a stator first terminal 701, a stator second terminal 702, and a stator third terminal 703.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
If not specified, the front-rear direction in the application is the longitudinal direction of the vehicle, namely the X direction, the left-right direction is the transverse direction of the vehicle, namely the Y direction, and the up-down direction is the vertical direction of the vehicle, namely the Z direction.
The three-phase connector 100 according to the embodiment of the present utility model is described below with reference to fig. 1 to 5, where the three-phase connector 100 satisfies the highly integrated design layout of the controller, and the shielding ring 4 is placed in the reserved space in the three-phase connector 100, so that the high-frequency electromagnetic interference caused by the power module 5 can be effectively reduced, and meanwhile, the three-phase conductor bars 1 connected with the motor U, V, W are separated by using a plastic separation layer, so as to reduce the creepage risk.
As shown in fig. 1 to 5, a three-phase connector 100 according to an embodiment of the present utility model includes a shield ring 4, a three-phase conductor bar 1, and a mounting bracket 2.
The three-phase conducting bar 1 is arranged on the shielding ring 4 in a penetrating mode, the three-phase conducting bar 1 comprises three conducting bars which are distributed at intervals, the mounting support 2 is formed outside the shielding ring 4 and the three-phase conducting bar 1 in an injection mode, and the mounting support 2 comprises a partition layer located between two adjacent conducting bars.
In practice, the three-phase conductive bar 1 may be a copper bar, or of course, other optional metal materials may be adopted according to practical situations, as long as the dynamic thermal stability can be satisfied, the middle part of the three-phase conductive bar 1 may be connected into a whole, and the two ends of the three-phase conductive bar 1 are respectively connected with the power module 5 and the stator three-phase terminal 7 of the motor stator 6, so that the three-phase connector 100 connects the power module 5 with the motor stator 6.
In addition, the stator three-phase terminals 7 of the motor stator 6 are respectively a stator first terminal 701, a stator second terminal 702 and a stator third terminal 703, which are respectively corresponding to the U-phase, the V-phase and the W-phase of the stator three-phase terminal 7 one by one, that is to say, three wires are arranged on the stator of the permanent magnet variable frequency motor, which are respectively representative of three output phases of the motor, and when the motor operates, the rotating speed and the torque of the motor can be controlled by adjusting the voltage magnitude and the frequency of the motor, wherein the voltage difference among the U-phase, the V-phase and the W-phase is called as phase voltage, the voltage sum of the U-phase, the V-phase and the W-phase is called as line voltage, and the U-phase, the V-phase and the W-phase of the motor stator 6 are connected with the power module 5 through the corresponding three-phase connector 100, and the three ends of the three-phase conductor bars 1 connected with the power module 5 are also U-phase, the V-phase and the W-phase, so that the three connection ends of the power module 5 and each different phases of the three-phase conductor bars 1 are correspondingly connected, and the communication of each phase can be realized, thereby completing the conduction of alternating current.
And, electromagnetic interference cuts off to the controller, mainly concentrate on the direct current busbar input side and carry out filtering and cut off, high voltage direct current input motor controller gets into power module 5 after the face-lifting filtering, because power module 5's output terminal arranges along whole car's X to, motor stator 6's three-phase line terminal 7's U looks, V looks, W looks arrange in whole car's Z to the direction, and power module 5 three-phase output terminal's position is far away from stator three-phase terminal 7 distance, in reasonable consideration controller inner space arrangement, with power module 5 conversion's three-phase alternating current conversion transmission to motor stator 6.
And the three-phase conductor bars 1 are arranged on the shielding ring 4 in a penetrating way, the shielding ring 4 is a common-mode magnetic ring, three conductor bars are arranged on the common-mode magnetic ring in a penetrating way, high-frequency electromagnetic interference caused by the power module 5 can be effectively reduced, the three-phase conductor bars 1 and the mounting bracket 2 are integrally formed, a three-phase end interface for connecting the power module 5 and the motor stator 6 is reserved, the tightness of the whole three-phase connector 100 is ensured, the mounting bracket 2 and the three-phase conductor bars 1 are effectively and reliably fixed together through an integral forming process, the mounting bracket 2 adopts plastic pieces, the vibration offset of the three-phase conductor bars 1 is ensured to be within an acceptable range, the efficiency is high, the quality is reliable, and at present, most U, V, W three-phase copper bar terminals of the three-phase connector 100 are arranged on the same horizontal plane, and under the condition of mechanical vibration impact, three-phase short circuit risks possibly exist due to the fact that the creepage distance and the electric distance are relatively close.
Therefore, the embodiment of the utility model can reduce high-frequency interference caused by the power module 5, ensure the connection reliability of the mounting bracket 2 and the three-phase conductive bar 1 to be fixed, and reduce the creepage short-circuit risk between U, V, W three-phase ends of the connecting motor.
In some embodiments, referring to fig. 3, the three conductive bars are a first conductive bar 11, a second conductive bar 12 and a third conductive bar 13, respectively, the first conductive bar 11 includes a first transverse plate 111, a first body plate 113 and a first longitudinal plate 112 that are sequentially connected, the second conductive bar 12 includes a second transverse plate 121, a second body plate 123 and a second longitudinal plate 122 that are sequentially connected, and the third conductive bar 13 includes a third transverse plate 131, a third body plate 133 and a third longitudinal plate 132 that are sequentially connected, wherein the first body plate 113, the second body plate 123 and the third body plate 133 all extend along a first direction and are spaced apart in a second direction, the first transverse plate 111, the second transverse plate 121 and the third transverse plate 131 all extend along the second direction and are spaced apart in the first direction, and the first longitudinal plate 112, the second longitudinal plate 122 and the third longitudinal plate 132 all extend along the third direction and are spaced apart in the third direction.
In practice, the first body plate 113, the second body plate 123 and the third body plate 133 of the three conductive rows are stacked, and the first transverse plate 111 of the first conductive row 11, the second transverse plate 121 of the second conductive row 12 and the third transverse plate 131 of the third conductive row 13 are staggered and distributed along the first direction, and the first transverse plate 111, the second transverse plate 121 and the third transverse plate 131 correspond to the three connection ends of the corresponding conductive rows, so that the three terminals of the power module 5 are respectively connected with the three connection ends of the three-phase conductive row 1 correspondingly, and the first transverse plate 111, the second transverse plate 121 and the third transverse plate 131 can be located on the same plane and separated by the plastic material of the mounting bracket 2, or can be located on different planes in the same direction of the mounting bracket 2 and distributed from the opening.
Specifically, the first transverse plate 111, the first body plate 113, and the first vertical plate 112 of the first conductive strip 11 may be integrally formed, the first transverse plate 111 and the first vertical plate 112 may be bent relatively, or of course, the first transverse plate 111 and the first vertical plate 112 may be connected to both ends of the first body plate 113, whichever is possible, as long as it is possible to achieve that the first conductive strip 11 is correspondingly connected to the U-phase terminal of the power module 5 and the U-phase terminal of the motor stator 6, the second conductive strip 12 and the third conductive strip 13 may be integrally formed, or of course, the second transverse plate 121 and the second vertical plate 122 of the second conductive strip 12 are respectively connected to both ends of the second body plate 123, the second conductive strip 12 is correspondingly connected to the V-phase terminal of the power module 5 and the V-phase terminal of the motor stator 6, the third transverse plate 131 and the third vertical plate 132 of the third conductive strip 13 are connected to both ends of the third body plate 133, and the third conductive strip 13 is correspondingly connected to the W-phase terminal of the power module 5 and the W-phase terminal of the motor stator 6.
In addition, similarly, the three connecting ends of the first vertical plate 112, the second vertical plate 122 and the third vertical plate 132 are also distributed at intervals, so that the connection between the U, V, W three-phase ends of the motor stator 6 can be facilitated, and the U, V, W three-phase ends of the motor stator 6 are separated through the mounting bracket 2 while being distributed at intervals, so that the creepage risk when the U, V, W three-phase ends are subjected to vibration is reduced.
In some embodiments, the first vertical plate 112, the second vertical plate 122, and the third vertical plate 132 are respectively provided with a first connection portion 1121, a second connection portion 1223, and a third connection portion 1321, and the first connection portion 1121, the second connection portion 1223, and the third connection portion 1321 are located between the first connection portion 1121 and the third connection portion 1321 in a projection along the first direction.
In practice, the first connecting portion 1121, the second connecting portion 1223 and the third connecting portion 1321 are all configured as connecting holes, the stator three-phase terminal 7 of the motor stator 6 is respectively connected to the connecting holes of the first vertical plate 112, the second vertical plate 122 and the third vertical plate 132 of the three-phase conductive row 1, while in the projection of the first connecting portion 1121, the second connecting portion 1223 and the third connecting portion 1321 along the first direction, the second connecting portion 1223 is located between the first connecting portion 1121 and the third connecting portion 1321, that is, the positions of the connecting holes are staggered, so that the connection of the stator three-phase terminal 7 of the motor stator 6 with the three-phase conductive row 1 is facilitated, and meanwhile, the mutual influence of the first connecting portion 1121, the second connecting portion 1223 and the third connecting portion 1321 is prevented, and the stator three-phase terminal 7 of the motor stator 6 can be better matched with the first vertical plate 112, the second vertical plate 122 and the third vertical plate 132 of the three-phase conductive row 1 one by one.
In some embodiments, the first longitudinal plate 112 is bent along the second direction of the first body plate 113, the second longitudinal plate 122 includes a first bending section 1221 and a second bending section 1222, the first bending section 1221 is bent along the second direction of the second body plate 123 and overlaps the first longitudinal plate 112, the second bending section 1222 is bent along a side of the first bending section 1221 facing away from the second direction, the second connecting portion 1223 is located at the second bending section 1222, and the first connecting portion 1121 is located at the bottom of the first longitudinal plate 112.
The second direction, that is, the left side of the first conductive row 11, the second conductive row 12 and the third conductive row 13 in fig. 3, that is, the direction in which the first transverse plate 111 bends along the first body plate 113, where the first transverse plate 111 and the first body plate 113 may be perpendicular, the first transverse plate 111 bends along the second direction of the first body plate 113 and is perpendicular to the first body plate 113 in fig. 2 and fig. 3, the first longitudinal plate 112 bends along the second direction of the first body plate 113 and is perpendicular to the first body plate 113 in fig. 2 and fig. 3 and extends longitudinally, so that the whole three-phase conductive row 1, the transverse plates and the longitudinal plates thereof are arranged more regularly, and space can be saved while the connection is facilitated, and of course, the first transverse plate 111 and the first body plate 113, and the first longitudinal plate 112 are not limited to vertical angles, and can be adaptively adjusted according to practical situations.
Specifically, the first bending section 1221 of the second vertical plate 122 is bent along the second direction of the second body plate 123, and the first bending section 1221 may overlap with a portion of the first vertical plate 112, meanwhile, the second bending section 1222 is also bent along the first bending section 1221 towards a direction deviating from the second direction, an included angle between the first bending section 1221 and the second bending section 1222 may be a right angle, meanwhile, a second connecting portion 1223 is disposed on the second bending section 1222, and a first connecting portion 1121 is disposed at a lower portion of the first vertical plate 112, so that the first connecting portion 1121 of the first vertical plate 112 and the second connecting portion 1223 of the second vertical plate 122 are distributed in a staggered manner, thereby preventing the first connecting portion 1121 and the second connecting portion 1223 from affecting each other when the first vertical plate 112 and the second vertical plate 122 are stacked, and meanwhile, when the first connecting portion 1121 of the first vertical plate 112 and the second connecting portion 1223 of the second vertical plate 122 are stacked, a surface difference exists between the first connecting portion 1121 of the first vertical plate 112 and the second connecting portion 1223 of the second vertical plate 122 can also be reduced.
In some embodiments, the third longitudinal plate 132 is bent along a side of the third body plate 133 facing away from the second direction, and the third longitudinal plate 132 and the second longitudinal plate 122 are located on different planes.
In practice, when the third longitudinal plate 132 is bent along one side of the third body plate 133 facing away from the second direction, the third longitudinal plate 132 and the first longitudinal plate 112 may be staggered, and the third longitudinal plate 132 and the first longitudinal plate 112 may be located in different planes, or may be located on the same plane, but the distance between the first longitudinal plate 112 and the third longitudinal plate 132 is further, so that the safety is higher, when the third longitudinal plate 132 and the first longitudinal plate 112 are located on the same plane, the third longitudinal plate 132 and the second longitudinal plate 122 are located on different planes, at this time, the third connection portion 1321 of the third longitudinal plate 132 and the second connection portion 1223 of the second longitudinal plate 122 are also located on different planes, and meanwhile, the second connection portion 1223 of the second longitudinal plate 122 and the first connection portion 1121 of the first longitudinal plate 112 are also located on different planes, so that when the driving motor works under severe working conditions, the electric clearance between the three-phase terminals can always meet the electric safety distance, and the risk of electric short-circuiting between the three-phase terminals when the three-phase conductive bar 1 is vibrated can be reduced.
In some embodiments, the mounting bracket 2 includes a transverse sub-frame 21 and a longitudinal sub-frame 22 distributed in an L shape, and the first transverse plate 111, the second transverse plate 121, and the third transverse plate 131 are located on an upper surface of the transverse sub-frame 21, and the first longitudinal plate 112, the second longitudinal plate 122, and the third longitudinal plate 132 are located on a side of the longitudinal sub-frame 22 facing away from the transverse sub-frame 21.
Specifically, the transverse sub-frame 21 is provided with three connecting grooves corresponding to the positions of the first transverse plate 111, the second transverse plate 121 and the third transverse plate 131, each connecting groove corresponds to the positions of the first transverse plate 111, the second transverse plate 121 and the third transverse plate 131, the plastic material of the mounting bracket 2 can separate the first transverse plate 111, the second transverse plate 121 and the third transverse plate 131, so that the first transverse plate 111, the second transverse plate 121 and the third transverse plate 131 can be better insulated, the first transverse plate 111, the second transverse plate 121 and the third transverse plate 131 are respectively connected with the power module 5, the first transverse plate 111 transmits an electric signal to the first longitudinal plate 112 along with the first body plate 113, and to the U-phase connection end of the motor stator 6, the second transverse plate 121 transmits an electric signal to the second longitudinal plate 122 along with the second body plate 123, and to the V-phase connection end of the motor stator 6, the third transverse plate 131 transmits an electric signal to the third longitudinal plate 133 along with the third body plate 132, and the second longitudinal plate 221 and the third longitudinal plate 222 are located in the first longitudinal region 222, the second longitudinal region 221 and the third longitudinal region 222 of the corresponding to the first longitudinal region 222, the second longitudinal region 221 and the third longitudinal region 222.
Through setting up installing support 2 into horizontal sub-support body 21 and vertical sub-support body 22, can make things convenient for power module 5 and motor stator 6 to connect in different directions, simultaneously, save space, and more convenient and reasonable with first vertical board 112, second vertical board 122 and third vertical board 132 design in different faces, reduce the problem of creepage.
Further, the mounting bracket 2 is provided with the partition 3 at the longitudinal sub-bracket body 22, the partition 3 is also a part of the above-mentioned partition layer, referring to fig. 1 and 2, the partition 3 includes the first partition 31 and the second partition 32, wherein the first partition 31 is disposed along the transverse direction of fig. 1, that is, in the same direction as the arrangement direction of the first transverse plate 111, the second transverse plate 121 and the third transverse plate 131, the first partition 31 separates the first connection portion 1121 from the second connection portion 1223, meanwhile, the second partition 32 includes the longitudinal section and the transverse section, the transverse section of the second partition 32 is the same as the arrangement direction of the first transverse plate 111, the second transverse plate 121 and the third transverse plate 131, the longitudinal section of the second partition 32 separates the upper portion of the second longitudinal plate 122 from the third longitudinal plate 132, the transverse section of the second partition 32 separates the lower portion of the second longitudinal plate 122 from the third longitudinal plate 132, that is, the second partition 32 separates the second connection portion 1121 from the third connection portion 1221 and the third connection portion 1321, and the further insulation effect is further reduced by the second partition 32, and the first connection portion 1321 is further provided.
In some embodiments, the extension lengths of the first, second and third body plates 113, 123 and 133 in the first direction sequentially increase, and the extension lengths of the first, second and third longitudinal plates 112, 122 and 132 in the third direction sequentially decrease.
That is, the lengths of the first body plate 113, the second body plate 123 and the third body plate 133 are different, and the lengths of the first body plate 113, the second body plate 123 and the third body plate 133 in the longitudinal direction of the mounting bracket 2 are all integrated in the housing 23 of the mounting bracket 2, so that the first transverse plate 111 connected with the first body plate 113 and the third transverse plate 131 connected with the second transverse plate 121 connected with the third body plate 133 are staggered and distributed along the transverse direction of the mounting bracket 2, and simultaneously, the first longitudinal plate 112 bent and extended along the first body plate 113, the second longitudinal plate 122 bent and extended along the second body plate 123 and the third longitudinal plate 132 bent and extended along the third body plate 133 are sequentially shortened, that is, the first longitudinal plate 112 is longest along the longitudinal direction of the mounting bracket 2, the first connecting portion 1121 is arranged at the lower part of the first longitudinal plate 112, the second longitudinal plate 122 is shorter along the longitudinal direction of the mounting bracket 2, the second connecting portion 1223 of the second longitudinal plate 122 and the first longitudinal plate 1221 is staggered and the first connecting portion of the stator 1221, and the first connecting portion of the stator 1321 and the third connecting portion of the stator 1221 are staggered and the first connecting portion of the stator 1121, and the third connecting portion of the stator portion 1221 is realized, and the first connecting portion of the stator and the stator portion is correspondingly staggered and the first connecting portion of the first connecting portion 1221 is correspondingly arranged along the first longitudinal plate 1121 and the first connecting portion of the first connecting portion and the first longitudinal plate 122.
In some embodiments, the shielding ring 4 is sleeved on one side of the three-phase conductive strip 1 and is close to the first vertical plate 112, the second vertical plate 122 and the third vertical plate 132.
In practice, when the first body plate 113, the second body plate 123 and the third body plate 133 of the three-phase conductive strip 1 extend in the transverse direction, and the first transverse plate 111, the second transverse plate 121 and the third transverse plate 131 are used for connecting the power module 5, and when the shielding ring 4 is sleeved at one end of the first body plate 113, the second body plate 123 and the third body plate 133 near the first longitudinal plate 112, the second longitudinal plate 122 and the third longitudinal plate 132, the shielding ring 4 is actually located between the first transverse plate 111 and the first longitudinal plate 112, and the shielding ring 4 is actually located between the second transverse plate 121 and the second longitudinal plate 122 according to the extending length of the second transverse plate 121 along the second body plate 123, and is also located between the third transverse plate 131 and the third longitudinal plate 132, so that the power module 5 passes through the U-phase, the V-phase and the W-phase of the three-phase conductive strip 1 to reach the U-phase, the V-phase and the W-phase of the motor stator 6, thereby reducing electromagnetic interference of high frequency can be achieved.
In some embodiments, the mounting bracket 2 is fitted with nuts 24, the nuts 24 avoiding the position of the three-phase conductor bar 1.
In practice, the nuts 24 may be disposed between the adjacent first transverse plates 111 on the mounting bracket 2, and may also be disposed at the position of the transverse frame 21 between the first transverse plates 111 and the longitudinal frame 22, where the position of the transverse frame 21 between the first transverse plates 111 and the longitudinal frame 22 may be used to connect the current sensor, where the current sensor is connected to the mounting bracket 2 through bolts penetrating the nuts 24, and other positions of the power module 5 may also be connected to the mounting bracket 2 through bolts penetrating the nuts 24, where the mounting bracket 2 is made of a plastic material, and the bolts cannot be screwed by direct punching, so that the nuts 24 are embedded on the mounting bracket 2, and the nuts 24 may be fixedly connected to the mounting bracket 2, so that the power module 5 and the current sensor are conveniently connected to the mounting bracket 2 through the bolts and the nuts 24.
The embodiment of the utility model also discloses a vehicle, which comprises a power module 5, a motor stator 6 and the three-phase connector 100, wherein the motor stator 6 is provided with a stator three-phase terminal 7, and the power module 5 is connected with the stator three-phase terminal 7 of the motor stator 6 through the three-phase connector 100.
In practice, the integrated design scheme of moulding plastics is adopted, the U-phase copper bar, the V-phase copper bar and the W-phase copper bar are wrapped inside by the plastic mounting bracket 2, the stator three-phase terminal 7 interface for connecting the power module 5 and the motor stator 6 is reserved, the three-phase terminal interface is also the first transverse plate 111, the second transverse plate 121, the third transverse plate 131, the first longitudinal plate 112, the second longitudinal plate 122 and the third longitudinal plate 132, the tightness of the whole three-phase connector 100 is ensured, the mounting bracket 2 and the three-phase copper bar are effectively and reliably fixed together through the integrated forming process, the vibration offset of the copper bar is ensured to be within an acceptable range, the efficiency is high, the quality is reliable, the shielding ring 4 is sleeved on the three-phase copper bar, the electromagnetic interference of high frequency is better shielded, the three-phase interface of the three-phase copper bar is designed on a non-same horizontal plane, the creepage distance and the electric clearance distance between the copper bars are ensured to the greatest extent by adopting the integrated scheme of moulding plastics, the risk of three-phase copper bar short circuit caused by mechanical vibration is effectively avoided, the integrated design is improved, the production efficiency is ensured, the motor quality and the product quality is ensured, the product quality is improved, the service life is prolonged, and the safety of the bearing is prolonged.
1. In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
2. In the description of the utility model, a "first feature" or "second feature" may include one or more of such features.
3. In the description of the present utility model, "plurality" means two or more.
4. In the description of the utility model, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other by another feature therebetween.
5. In the description of the utility model, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature.
In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," 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 utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents.
Claims (10)
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| CN202420512971.3U CN222813985U (en) | 2024-03-15 | 2024-03-15 | Three-phase connector and vehicle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202420512971.3U CN222813985U (en) | 2024-03-15 | 2024-03-15 | Three-phase connector and vehicle |
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| CN222813985U true CN222813985U (en) | 2025-04-29 |
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| CN202420512971.3U Active CN222813985U (en) | 2024-03-15 | 2024-03-15 | Three-phase connector and vehicle |
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| CN (1) | CN222813985U (en) |
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