CN213185737U

CN213185737U - Motor wire holder for electric drive assembly, electric drive assembly and vehicle

Info

Publication number: CN213185737U
Application number: CN202021922595.3U
Authority: CN
Inventors: 蒋付强
Original assignee: Beijing CHJ Automobile Technology Co Ltd
Current assignee: Beijing CHJ Automobile Technology Co Ltd
Priority date: 2020-09-04
Filing date: 2020-09-04
Publication date: 2021-05-11
Anticipated expiration: 2030-09-04

Abstract

The present disclosure relates to the field of electric drive assembly technology, and more particularly, to a motor connector base for an electric drive assembly. The motor wire holder for the electric drive assembly comprises a base, wherein the top of the base is provided with a plurality of first mounting grooves and a plurality of second mounting grooves, and the side walls of the first mounting grooves and the second mounting grooves are provided with bulges; a space is arranged between the bottom wall of the first mounting groove and the corresponding bulge so as to clamp the conductive bar; and a space is arranged between the bottom wall of the second mounting groove and the corresponding bulge so as to clamp the conductive bar. The utility model aims to eliminate the stress concentration phenomenon that the generator is electrically conducted and is arranged and the driving motor is electrically conducted and arrange and probably appear in the fixed in-process of installation to and prevent that the driving motor is electrically conducted and is arranged and the driving motor is electrically conducted and arrange and break away from because of the vibration in the course of the work. The utility model also provides an electric drive assembly and a vehicle.

Description

Motor wire holder for electric drive assembly, electric drive assembly and vehicle

Technical Field

The utility model relates to an electric drive assembly technical field especially relates to a motor wire holder, electric drive assembly and vehicle for electric drive assembly.

Background

In an electric drive assembly, a motor connector base is used as an electrical accessory for connecting and fixing a generator, a drive motor and a high-voltage conducting bar of a dual-motor controller.

However, the traditional motor wire holder is unreasonable in structural design, so that stress concentration phenomenon exists after the wire holders of all phases are fixed. Meanwhile, in the long-term use process of the electric drive assembly, vibration may cause the conductive bars to be exposed outside after being loosened, noise is generated, and even more, short circuit or insufficient electrical insulation between the conductive bars is caused, so that the normal work of the assembly is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides an electric motor wire holder, electric drive assembly and vehicle for electric drive assembly, the utility model aims to eliminate the electric generator and lead the stress concentration phenomenon that the row probably appears at the fixed in-process of installation with the driving motor electrically conducts the row to and prevent that the driving motor from leading the electrically conductive row and the electrically conductive row of driving motor from breaking away from because of the vibration in the course of the work.

The utility model provides an above-mentioned electric motor wire holder for electric drive assembly, it includes the base, and the top of base is equipped with a plurality of first mounting grooves and a plurality of second mounting grooves, all is equipped with the arch on the lateral wall of first mounting groove and second mounting groove; a space is arranged between the bottom wall of the first mounting groove and the corresponding bulge so as to clamp the conductive bar; and a space is arranged between the bottom wall of the second mounting groove and the corresponding bulge so as to clamp the conductive bar.

Optionally, the bottom wall of the first mounting groove and the bottom wall of the second mounting groove are both provided with a first mounting hole, and the first mounting hole is provided with a nut.

Optionally, the top of the base is provided with a first groove, and the first mounting groove and the second mounting groove are located on two sides of the first groove.

Optionally, a second mounting hole penetrating through the base is formed in the bottom wall of the first groove, and the second mounting hole is arranged in a step shape.

Optionally, a second mounting hole penetrating through the base is formed in the bottom wall of the first groove, and a smooth hole piece is embedded in the second mounting hole.

Optionally, the bottom of the base is provided with a second groove, and the second groove is adapted to the shape of the base.

Optionally, a plurality of reinforcing rib plates are arranged in the second groove.

Optionally, a first extension plate is disposed on one side of the base, and the first extension plate is used for spacing the conductive bar from the electric drive assembly housing; the other side of the base is provided with a second extension plate for spacing the conductive bar from the electric drive assembly housing.

The utility model provides an above-mentioned electric drive assembly, it includes the electric motor wire holder for the electric drive assembly of shell and above-mentioned arbitrary embodiment, and the electric motor wire holder is installed on the shell for the electric drive assembly.

The utility model provides an above-mentioned vehicle, it includes the electric drive assembly of any above-mentioned embodiment.

The embodiment of the utility model provides a technical scheme compares with prior art and has following advantage:

(1) each generator conductive bar can be installed in a corresponding first installation groove, and the first installation groove has a guiding function, so that the stress concentration phenomenon possibly occurring in the installation and fixation process of the generator conductive bars is eliminated; each driving motor conducting bar can be installed in a corresponding second installation groove, and the second installation grooves have a guiding function, so that the stress concentration phenomenon possibly occurring in the installation and fixation process of the driving motor conducting bars is eliminated;

(2) the generator conducting bar can be clamped between the bottom of the first mounting groove and the corresponding bulge, so that the generator conducting bar can be prevented from being separated from the base due to vibration in the working process; the conductive row of driving motor can be clamped between the bottom of the second mounting groove and the corresponding bulge, so that the conductive row of driving motor can be prevented from being separated from the base due to vibration in the working process, noise is prevented from being generated, the defect of insufficient electrical insulation is avoided, and the normal work of the electric drive assembly is ensured.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.

In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present disclosure, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

Fig. 1 is a top view of a motor connector base for an electric drive assembly according to an embodiment of the present invention;

fig. 2 is a bottom schematic view of a motor connector base for an electric drive assembly according to an embodiment of the present invention.

Wherein, 1, a base; 2. a first mounting groove; 3. a second mounting groove; 4. a protrusion; 5. a first mounting hole; 6. a nut; 7. a first groove; 8. a second mounting hole; 9. a smooth hole piece; 10. A second groove; 11. reinforcing rib plates; 12. a first extension plate; 13. a second extension plate.

Detailed Description

In order that the above objects, features and advantages of the present disclosure may be more clearly understood, aspects of the present disclosure will be further described below. It should be noted that the embodiments and features of the embodiments of the present disclosure may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure, but the present disclosure may be practiced in other ways than those described herein; it is to be understood that the embodiments disclosed in the specification are only a few embodiments of the present disclosure, and not all embodiments.

As shown in fig. 1, the motor wire holder for an electric drive assembly of the present invention includes a base 1, wherein the top of the base 1 is provided with a plurality of first mounting grooves 2 and a plurality of second mounting grooves 3, and the side walls of the first mounting grooves 2 and the second mounting grooves 3 are provided with protrusions 4; a space is arranged between the bottom wall of the first mounting groove 2 and the corresponding bulge 4 so as to clamp the conductive bar; the bottom wall of the second mounting groove 3 and the corresponding protrusion 4 have a space therebetween to sandwich the conductive bar.

In the present embodiment, the base 1 may include three first mounting grooves 2 for mounting the U-phase generator conducting bar, the V-phase generator conducting bar, and the W-phase generator conducting bar, and three second mounting grooves 3 for mounting the U-phase drive motor conducting bar, the V-phase drive motor conducting bar, and the W-phase drive motor conducting bar. Each generator conductive bar can be installed in the corresponding first installation groove 2, the first installation groove 2 has a guiding function, the stress concentration phenomenon which possibly occurs in the installation and fixation process of the generator conductive bars is eliminated, and the electrical interval between the generator conductive bars is ensured. Similarly, each driving motor conducting bar can be installed in the corresponding second installation groove 3, the second installation grooves 3 also have a guiding function, the stress concentration phenomenon which possibly occurs in the installation and fixation process of the driving motor conducting bars is eliminated, and the electric interval among the driving motor conducting bars is ensured. On the other hand, all set up first mounting groove 2 and second mounting groove 3 on base 1, improved the integrated level of motor wire holder. Of course, those skilled in the art can understand that the first and

second mounting grooves

2 and 3 are mounting grooves recessed from the top surface of the base 1 toward the bottom surface thereof.

In this embodiment, the generator conducting bar can be sandwiched between the bottom of the first mounting groove 2 and the corresponding protrusion 4, which can prevent the generator conducting bar from being separated from the base 1 due to vibration during operation. Similarly, the conductive row of driving motor can be sandwiched between the bottom of second mounting groove 3 and the corresponding arch 4, can prevent that the conductive row of driving motor from breaking away from base 1 because of the vibration in the course of the work, and then prevents to produce the noise and avoid electrical insulation not enough, guarantees the normal work of electric drive assembly. The protrusions 4 in the first mounting groove 2 and the second mounting groove 3 can ensure a long-term stable operation of the electric drive assembly. In addition, the projection 4 is preferably provided on a side close to the controller. The bulges 4 on the two side walls of the first mounting groove 2 can be opposite to each other and can also be staggered with each other; accordingly, the protrusions 4 on the two side walls of the first mounting groove 3 can be opposite to each other or can be staggered from each other.

In this embodiment, the base 1 can be configured to any suitable shape according to the structure of the housing of the electric drive assembly, and the present invention is not limited to the shape. For example, the base 1 is provided with arcuate portions on both sides to facilitate engagement of the motor connection block to the electric drive assembly housing. Every first mounting groove 2 can set different structures to according to the electrically conductive row of the generator of isostructure, every second mounting groove 3 can set different structures to according to the electrically conductive row of the driving motor of isostructure to the lateral wall of first mounting groove 2 and the lateral wall of second mounting groove 3 can all set to the bending extension or straight extension etc. according to the trend of corresponding electrically conductive row, thereby make things convenient for the installation of electrically conductive row and reduce the installation stress of electrically conductive row. For example, the lengths of the first mounting grooves 2 for mounting the U-phase generator conducting bar, the V-phase generator conducting bar and the W-phase generator conducting bar are sequentially increased; the lengths of the second mounting grooves 3 for mounting the U-phase driving motor conducting bar, the V-phase driving motor conducting bar and the W-phase driving motor conducting bar are sequentially increased. And all first mounting grooves 2 and all second mounting grooves 3 can preferably be respectively distributed side by side, so that the mounting stress of the conductive bar is reduced, and the appearance of the motor wire holder can be improved.

In some other embodiments, the number of the first installation grooves 2 may be two or more than three, and the number of the second installation grooves 3 may also be two or more than three, and those skilled in the art may flexibly set the number of the first installation grooves 2 and the second installation grooves 3 according to actual needs. And the first mounting groove 2 can also be used for mounting the driving motor conducting bar, and the second mounting groove 3 can also be used for mounting the generator conducting bar. In addition, the depths of the first mounting groove 2 and the second mounting groove 3 may be the same or different to accommodate different types of conductive bars.

In some other embodiments, there may be two or more protrusions 4 on the side wall of the first mounting groove 2, and the distance between the protrusions 4 and the bottom wall of the first mounting groove 2 may be equal; or the farther away from the generator, the smaller the distance between the protrusion 4 and the bottom wall of the first mounting groove 2 is, so as to improve the clamping effect of the conductive bar. Correspondingly, the distance between the bulges 4 on the side wall of the second mounting groove 3 and the bottom wall of the second mounting groove 3 can be equal; or the farther away from the generator, the smaller the distance between the protrusion 4 and the bottom wall of the second mounting groove 3 is, so as to improve the clamping effect of the conductive bar. In addition, the protrusions 4 are arranged in a cylindrical shape, a spherical shape, a prismatic shape, a circular truncated cone shape, etc., and the utility model is not limited; the protrusions 4 are of course preferably provided in the shape of a rectangular parallelepiped, which has a large bottom surface for contacting the conductor bars 4 and which is easy to manufacture. As shown in fig. 1, in some embodiments of the present invention, a first mounting hole 5 is formed on each of the bottom wall of the first mounting groove 2 and the bottom wall of the second mounting groove 3, and the first mounting hole 5 is provided with a nut 6.

In the present embodiment, when the controller and generator conductor bars are mounted in the first mounting groove 2, the controller and generator conductor bars are fixed in the first mounting groove 2 by screwing the bolts into the nuts 6. Likewise, the nut 6 at the second mounting groove 3 is used for fixing the controller conducting bar and the driving motor conducting bar. Of course, the first mounting hole 5 is preferably provided at a side close to the controller.

In some other embodiments, two or more first mounting holes 5 may be provided on the bottom walls of the first and second mounting

grooves

2 and 3. When the length of the controller busbar and/or the generator busbar is long, the controller busbar and/or the generator busbar can be fixed by correspondingly matching a plurality of bolts with a plurality of first mounting holes 5 (specifically, nuts in the first mounting holes 5). Of course, these first mounting holes 5 need to be spaced apart. In addition, when the generator is electrically conducted to arrange and the drive motor is electrically conducted to arrange longer and broad, also can set up a plurality of screw on the diapire of first mounting groove 2 and the diapire of second mounting groove 3, the generator is electrically conducted to arrange and the drive motor is electrically conducted to arrange and can be fixed in the mounting groove that corresponds through the screw to prevent that the generator is electrically conducted to arrange and the drive motor is electrically conducted the middle part of arranging and is shaken.

As shown in fig. 1, in some embodiments of the present invention, the top of the base 1 is provided with a first groove 7, and the first mounting groove 2 and the second mounting groove 3 are located at both sides of the first groove 7.

In the present embodiment, the first groove 7 is a groove recessed from the top surface of the base 1 toward the bottom surface thereof. The first groove 7 can reduce the weight of the base 1, increase the electrical interval between the generator conducting bar and the driving motor conducting bar and make the base 1 symmetrical and beautiful. For example, the top view of the first recess 7 may be rectangular to make the base 1 symmetrical and aesthetically pleasing. For another example, the depth of the first recess 7 may be greater than the depths of the first and second mounting

grooves

2 and 3 to minimize the weight of the base 1. Of course, the depth of the first groove 7 may be equal to or less than the depth of the first and second mounting

grooves

2 and 3.

As shown in fig. 1, in some embodiments of the present invention, a second mounting hole 8 is provided on the bottom wall of the first groove 7, and the second mounting hole 8 is disposed in a step shape.

In the present embodiment, the second mounting hole 8 is used to mount the base 1 on the electric drive assembly housing. Specifically, a bolt may be inserted into the second mounting hole 8, and the base 1 may be fixed to the electric drive assembly housing by the bolt. The number of second mounting holes 8 may be one or more than one and the plurality of second mounting holes 8 helps prevent the motor wire holder from rattling on the electric drive assembly housing. Of course, it can be understood by those skilled in the art that the stepped second mounting hole 8 means that the diameter of the upper portion of the second mounting hole 8 is larger than that of the lower portion thereof; or in other words, the upper portion of the second mounting hole 8 is for receiving the head portion of the bolt, and the lower portion of the second mounting hole 8 is for receiving the shank portion of the bolt. In this embodiment, the first groove 7 can shorten the length of the second mounting hole 8, and thus shorten the length of the bolt engaged with the second mounting hole 8. The provision of the second mounting hole 8 in a stepped shape allows the bolt to be shortened further, which is cost effective and also helps secure the base 1 to the electric drive assembly housing. And second mounting hole 8 and first recess 7 are located the intermediate position on base 1 top, help the dismouting of base 1 (i.e. the generator conductor bar or the drive motor conductor bar can not shelter from second mounting hole 8).

In some other embodiments, the motor connector block may also be riveted, welded, etc. to the electric drive assembly housing.

As shown in fig. 1, in some embodiments of the present invention, a second mounting hole 8 penetrating through the base 1 is formed on the bottom wall of the first groove 7, and a smooth hole member 9 is embedded in the second mounting hole 8.

In the present embodiment, the unthreaded part 9 is provided in a lower portion of the second mounting hole 8 for receiving the bolt shank. The unthreaded hole piece 9 is used for sleeving a bolt, and can prevent the bolt from causing friction loss to the second mounting hole 8. And can also set up the screw thread on the inner wall of unthreaded hole spare 9, through the screw-thread fit between unthreaded hole spare 9 and the bolt, prevent that base 1 from rocking on electric drive assembly shell. The aperture 9 is preferably a metal aperture. Of course, other aperture members may be provided in the upper portion of the second mounting hole 8 for receiving the head of the bolt.

As shown in fig. 2, in some embodiments of the present invention, the bottom of the base 1 is provided with a second groove 10. In the present embodiment, the second groove 10 is a groove recessed from the bottom surface of the base 1 toward the top surface thereof, and the second groove 10 is not communicated with the first groove 7. The second groove 10 can reduce the weight of the base 1 and reduce the manufacturing cost. Of course, the second recess 10 may be adapted to the shape of the base 1 to maximally reduce the weight of the base 1.

In some embodiments of the invention, as shown in fig. 2, a plurality of reinforcing ribs 11 are provided in the second groove 10. In the present embodiment, specifically, the rib plates 11 are distributed in the second grooves 10 in a staggered manner (the second grooves 10 are divided into a plurality of small grooves). The reinforcing rib plate 11 can strengthen the structure of the base 1 and avoid the base 1 from increasing too much weight.

As shown in fig. 1, in some embodiments of the present invention, a first extension plate 12 is provided on one side of the base 1, and the first extension plate 12 is used for spacing the conductive bar from the electric drive assembly housing; the other side of the base 1 is provided with a second extension plate 13, and the second extension plate 13 is used for spacing the conductive bar from the electric drive assembly housing.

In this embodiment, the first extension plate 12 may be located on a side adjacent to the generator to ensure electrical separation between the generator conductor bar and the housing of the electric drive assembly. Specifically, when the base 1 is mounted to the electric drive assembly housing, the first extension plate 12 is located between the generator busbar and the electric drive assembly housing to prevent the generator busbar from being electrically connected to the electric drive assembly housing.

In this embodiment, the second extension plate 13 may be located on a side close to the motor to ensure electrical separation between the generator conductor bar and the housing of the electric drive assembly. Specifically, when the base 1 is mounted to the electric drive assembly housing, the second extension plate 13 is located between the conductive bar of the driving motor and the electric drive assembly housing to prevent the conductive bar of the driving motor from being electrically connected to the electric drive assembly housing.

In this embodiment, the first extension plate 12 and the second extension plate 13 may be plate members extending in an arc shape, so as to improve the adaptability of the first extension plate 12 and the second extension plate 13 to the housing of the electric drive assembly.

The utility model also provides an electric drive assembly, it includes the electric motor wire holder for the electric drive assembly of shell and the arbitrary embodiment of above-mentioned, and electric motor wire holder for the electric drive assembly is installed on the shell.

In the present embodiment, the motor wire holder is mounted on the outside of the housing, the generator busbar and the corresponding controller busbar are bolted to the first mounting hole 5, and the driving motor busbar and the corresponding controller busbar are bolted to the second mounting hole 8.

The utility model also provides a vehicle, its electric drive assembly that includes above-mentioned embodiment.

It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The foregoing are merely exemplary embodiments of the present disclosure, which enable those skilled in the art to understand or practice the present disclosure. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the disclosure. Thus, the present disclosure is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The motor wire holder for the electric drive assembly is characterized by comprising a base (1), wherein the top of the base (1) is provided with a plurality of first mounting grooves (2) and a plurality of second mounting grooves (3), and the side walls of the first mounting grooves (2) and the second mounting grooves (3) are provided with bulges (4); intervals are reserved between the bottom wall of the first mounting groove (2) and the corresponding bulge (4) so as to clamp the conductive bar; and a space is reserved between the bottom wall of the second mounting groove (3) and the corresponding bulge (4) so as to clamp the conductive bar.

2. The motor-connector holder for an electric drive assembly according to claim 1, wherein a first mounting hole (5) is formed in each of the bottom wall of the first mounting groove (2) and the bottom wall of the second mounting groove (3), and the first mounting hole (5) is provided with a nut (6).

3. The electromechanical connection base for an electric drive assembly according to claim 1, characterized in that a first groove (7) is provided on the top of said base (1), said first mounting groove (2) and said second mounting groove (3) being located on both sides of said first groove (7).

4. The motor connector base for an electric drive assembly according to claim 3, wherein the bottom wall of the first groove (7) is provided with a second mounting hole (8) penetrating through the base (1), and the second mounting hole (8) is arranged in a step shape.

5. The motor connector base for an electric drive assembly according to claim 3, wherein a second mounting hole (8) penetrating through the base (1) is formed in the bottom wall of the first groove (7), and a unthreaded hole member (9) is embedded in the second mounting hole (8).

6. The electrical machine connector for an electrical drive assembly according to claim 1, characterized in that the base (1) is provided at its bottom with a second recess (10), said second recess (10) being adapted to the shape of the base (1).

7. The motor connector base for an electric drive assembly according to claim 6, wherein a plurality of reinforcing ribs (11) are provided in the second recess (10).

8. The electrical motor connection base for an electrical drive assembly according to any one of claims 1 to 7, wherein one side of the base (1) is provided with a first extension plate (12), the first extension plate (12) being adapted to space the electrical conductor bar from the electrical drive assembly housing;

the other side of the base (1) is provided with a second extension plate (13), and the second extension plate (13) is used for spacing the conductive bar from the electric drive assembly shell.

9. An electric drive assembly comprising a housing and a motor connection base for an electric drive assembly according to any one of claims 1 to 8, said electric drive assembly being mounted to said housing with said motor connection base.

10. A vehicle comprising an electric drive assembly as claimed in claim 9.