CN214315854U

CN214315854U - Capacitor shell of double-motor power module and new energy automobile

Info

Publication number: CN214315854U
Application number: CN202120253570.7U
Authority: CN
Inventors: 熊慧龙; 温敬召; 高亚运; 陈尧; 任康乐
Original assignee: Leadrive Technology Shanghai Co Ltd
Current assignee: Leadrive Technology Shanghai Co Ltd
Priority date: 2021-01-28
Filing date: 2021-01-28
Publication date: 2021-09-28
Anticipated expiration: 2031-01-28

Abstract

The utility model provides an electric capacity shell of bi-motor power module belongs to automobile controller's technical field, solves the inconvenient technical problem of product installation of prior art. Including casing (1), install a plurality of first electric capacity and second electric capacity in casing (1), first output terminal (11) and second output terminal (12) all pass casing (1) side is left and is stretched out the section install supporting seat (2) that are used for increasing the holding power between first output terminal (11) and second output terminal (12), the output terminal of first electric capacity respectively with first control module, supporting seat (2) are connected, the output terminal of second electric capacity respectively with second control module, supporting seat (2) are connected. The utility model discloses an installation for perfecting electric capacity satisfies people and even simple to operate's requirement to electric capacity and controller.

Description

Capacitor shell of double-motor power module and new energy automobile

Technical Field

The utility model belongs to the technical field of automobile controller, especially, relate to an electric capacity shell and new energy automobile of bi-motor power module.

Background

The new energy automobile adopts unconventional automobile fuel as a power source or conventional automobile fuel, adopts a novel vehicle-mounted power device, integrates advanced technologies in the aspects of power control and driving of the automobile, and forms an automobile with advanced technical principle, new technology and new structure. In order to respond to the national call, the new energy electric automobile is popularized to a three-four-wire city, the cost of the new energy automobile needs to be further reduced, and as a core part on the new energy automobile, the management and control of the cost of a controller are also required to be more and more strict.

In the dual-motor controller, 2 IGBT (insulated gate bipolar transistor) modules are needed to control the motor and the generator, so that a direct current bus capacitor inside the controller needs to be connected between 2 sets of output interfaces and an IGBT input interface, and the IGBT is a part of a control module in the dual-motor control system.

In the arrangement structure about the IGBT module of prior art electric capacity, adopt direct current bus electric capacity to fix the terminal from the mode of taking riveting screw thread inserts, this mounting means makes direct current bus electric capacity overall arrangement complicated, makes the difficulty, leads to the price high, and there is dimensional tolerance in the terminal manufacture process high direction, probably leads to the junction copper bar to warp after the installation, and it is serious to generate heat during the circular telegram, influences controller life.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electric capacity shell of bi-motor power module solves the inconvenient technical problem of direct current bus-bar electric capacity installation among the prior art.

The utility model provides a two motor power module's electric capacity shell, is connected with the control box, in installing two motor control system in the control box, two motor control system include first control module and second control module, its characterized in that, including the casing, install a plurality of first electric capacity and second electric capacity in the casing, first electric capacity is arranged in second electric capacity top, first electric capacity includes first output terminal, the second electric capacity includes second output terminal, first output terminal and second output terminal all pass the casing side is left and is stretched out the section install the supporting seat that is used for increasing the holding power between first output terminal and the second output terminal, wherein:

the output terminal of the first capacitor is electrically connected with the first control module, and the output terminal of the second capacitor is electrically connected with the second control module;

two opposite side surfaces in the direction of the center line of the shell are respectively provided with a protruding structure, and the shell is connected with the control box through the protruding structures.

In another aspect, a new energy automobile is provided, which includes a control box, and a dual-motor control system is installed in the control box, wherein the control box is connected with a capacitor shell as described above in part or in whole.

Compared with the prior art, the utility model provides a technical scheme includes following beneficial effect:

the technical scheme of present case is through introducing the supporting seat, and the supporting seat is used for supporting first output terminal and second support terminal, mounting means, for example, can absorb the manufacturing tolerance of electric capacity and IGBT interface terminal with electric capacity, supporting seat and first control module through nut assembly's mounting means, reduces the terminal and warp, increases part life, and electric capacity does not use complicated riveting process, has simplified inside copper bar overall arrangement, has reduced the manufacturing cost of electric capacity.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a perspective view of a capacitor case of a dual-motor power module of the present invention;

fig. 2 is a schematic diagram of the capacitor case of the dual-motor power module of the present invention, in which the first output terminal and the second output terminal are installed on the side surface;

fig. 3 is a schematic view of the capacitor case of the dual-motor power module according to the present invention, in which a first positioning hole is installed on a side surface of the capacitor case;

fig. 4 is a schematic view of the capacitor case of the dual-motor power module of the present invention, which is provided with a supporting seat;

fig. 5 is a schematic diagram of the supporting seat equipped with a reinforcing rib in the capacitor case of the dual-motor power module of the present invention.

Wherein:

1. a housing; 11. a first output terminal; 111. a first hole; 12. a second output terminal; 121. A second hole; 13. a boss; 14. a lug; 141. a first positioning hole; 15. stretching a rib; 16. A first knurled hole; 2. a supporting seat; 21. reinforcing ribs; 211. a third opening; 212. a second positioning hole; 22. a nut mounting hole; 221. and (5) convex ribs.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It is noted that various aspects of the embodiments are described below within the scope of the appended claims. It should be apparent that the aspects described herein may be embodied in a wide variety of forms and that any specific structure and/or function described herein is merely illustrative. Based on the disclosure, one skilled in the art should appreciate that one aspect described herein may be implemented independently of any other aspects and that two or more of these aspects may be combined in various ways. For example, an apparatus may be implemented and/or a method practiced using any number of the aspects set forth herein. Additionally, such an apparatus may be implemented and/or such a method may be practiced using other structure and/or functionality in addition to one or more of the aspects set forth herein.

It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the drawings only show the components related to the present invention rather than being drawn according to the number, shape and size of the components in actual implementation, and the form, amount and ratio of the components in actual implementation can be changed at will, and the layout of the components may be more complicated.

In addition, in the following description, specific details are provided to facilitate a thorough understanding of the examples. However, it will be understood by those skilled in the art that aspects may be practiced without these specific details. In order to make the technical field better understand the solution of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings and the detailed description. The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

The capacitor case of the dual-motor power module shown in fig. 1 to 3 is connected to a control box, which is a product of the prior art, and a dual-motor control system is installed in the control box, and the dual-motor control system includes a first control module (IGBT module) and a second control module. This electric capacity shell includes casing 1, install a plurality of first electric capacity and second electric capacity in the casing 1, second electric capacity top is arranged in to first electric capacity, it includes first output terminal 11 to point out that first electric capacity includes, the second electric capacity includes second output terminal 12, (output terminal is the copper bar on the electric capacity), first output terminal 11 and second output terminal 12 all pass casing 1 side and leave the stretch-out section, install the supporting seat 2 that is used for increasing the holding power between first output terminal 11 and second output terminal 12, second electric capacity top is arranged in to first electric capacity (with the orientation of placing of figure 1 or figure 3 as the reference), wherein:

the output terminal of the first capacitor is respectively connected with the first control module and the support seat 2, for example, the output terminal of the second capacitor is connected with the second control module and the support seat 2 by screws;

two opposite side surfaces of the center line direction of the shell 1 are respectively provided with a protruding structure, and the shell 1 is connected with the control box through the protruding structures.

The technical scheme of present case is through introducing supporting seat 2, supporting seat 2 is used for supporting first output terminal 11 and second support terminal, the mounting means, for example, the mounting means through nut assembly is with electric capacity, supporting seat 2 and first control module (first control module includes input terminal, input terminal is provided with porosely equally) can absorb electric capacity and IGBT interface terminal's manufacturing tolerance, reduce the terminal deformation, increase part life, electric capacity does not use complicated riveting process, inside copper bar overall arrangement has been simplified, the manufacturing cost of electric capacity has been reduced.

As some embodiments provided in this disclosure, as shown in fig. 1 and fig. 2, the protrusion structure includes a lug 14 disposed in a horizontal direction, two tie bars 15 vertically mounted on the lug 13, and an insert, where the tie bars 15 are used to increase a fixing force of the lug 14, first knurled holes are respectively disposed at positions adjacent to edges of the lug 13, the insert is inserted into the first knurled holes and connected to the control box, and the insert is, for example, a screw having a shape matching with the knurled holes. The first knurled hole is configured to prevent a screw mounted in the first knurled hole from being pulled out and rotated during mounting.

Further, as shown in fig. 3, a first positioning hole 141 is further provided on the lug 13 at a position between the two tie bars 15, and the first positioning hole 141 is used for mounting and positioning between the housing 1 and the control box. The two tie bars 15 are, for example, arranged in a triangular structure to increase the fixing force when the housing 1 and the control box are installed. During the installation, fix a position casing 1 and control box through first locating hole 141 earlier, then the screw passes behind the first knurling hole and carries out threaded connection with the control box, when needing to point out, the control box is provided with the screw hole in corresponding position. As shown in FIG. 1, a boss 13 is arranged on the control box, first knurled holes 16 are arranged on the lugs 1 and 4, holes are also arranged at positions of the boss 13 corresponding to the lugs 14, and the lugs 13 and the lugs 14 are fixedly connected after the embedded parts are embedded into the first knurled holes 16.

As a partial embodiment provided in the present disclosure, as shown in fig. 2 and fig. 4, a first hole 111 and a second hole 121 are respectively formed in the first output terminal 11 and the second output terminal 12, the positions of the first hole 111 and the second hole 121 correspond to each other, and a nut mounting hole 22 is formed in the support base 2 at a position corresponding to the position of the first hole 111 or the position of the second hole 121, wherein:

the first control module, the first output terminal 11 and the support seat 2 are connected into a whole by a first screw passing through the first control module and the first hole 111 and partially extending into the nut mounting hole 22;

a second screw passes through the second control module and the second hole 121 and partially extends into the nut mounting hole 22, so that the second control module, the second output terminal 12 and the support seat 2 are connected into a whole; the support base 2 is aligned with the side of the housing 1 on which the first output terminal 11 is mounted.

The main purpose of the support base 2 is to support the first output terminal 11 and the second output terminal 12, and to enable the first output terminal 11 to be fixedly connected with the first control module, and the first output terminal 11 is installed in the same manner as above.

As a part of the embodiments provided in the present disclosure, as shown in fig. 5, two sides of the support seat 2 in the central line direction are respectively provided with a reinforcing rib 21, the reinforcing rib 21 is provided with a third hole, and the housing 1 is provided with a boss 13, the boss 13 is adapted to the shape of the third hole, so as to improve the stability of the support seat 2. The boss 13 and the reinforcing ribs 21 thereof are arranged to facilitate the installation of the manufactured base, and the initial positioning of the support base 2 on the shell 1 is completed in advance through the matching of the third hole and the through hole of the boss 13.

Further, a second positioning hole 212 may be formed in the stiffener 21, and the second positioning hole 212 facilitates initial installation of the supporting base 2, for example, by matching a positioning pin with the second positioning hole 212.

As a partial example provided in this case, as shown in fig. 5, the nut mounting hole 22 includes six faces, and each two spaced faces are provided with a rib along the thickness direction of the support base 2 for increasing the friction force with the first screw, specifically, for example, the nut mounting hole 22 includes six faces, and each two spaced faces are provided with a rib along the thickness direction of the support base 2 for increasing the friction force with the second screw.

As some embodiments provided by the scheme, the number of the nut mounting hole holes is 6.

In another aspect, a new energy automobile is provided, which includes a control box, a dual-motor control system is installed in the control box, and the control box is connected with a capacitor shell as described above in part or in whole.

The product provided by the utility model is introduced in detail above. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the core concepts of the present invention. It should be noted that, for a person skilled in the art, without departing from the inventive concept of the present invention, several improvements and modifications can be made to the invention, and these improvements and modifications also fall within the scope of the claims of the invention.

Claims

1. The utility model provides a two motor power module's electric capacity shell is connected with the control box, install two motor control system in the control box, two motor control system includes first control module and second control module, its characterized in that, includes casing (1), install a plurality of first electric capacity and second electric capacity in casing (1), first electric capacity is arranged in second electric capacity top, first electric capacity includes first output terminal (11), the second electric capacity includes second output terminal (12), first output terminal (11) and second output terminal (12) all pass casing (1) side and leave the section of stretching out install supporting seat (2) that are used for increasing the holding power between first output terminal (11) and second output terminal (12), wherein:

the output terminal of the first capacitor is respectively connected with the first control module and the supporting seat (2), and the output terminal of the second capacitor is respectively connected with the second control module and the supporting seat (2);

two opposite side surfaces of the center line of the shell (1) are respectively provided with a protruding structure, and the shell (1) is connected with the control box through the protruding structures.

2. The capacitor case according to claim 1, wherein the protruding structure comprises a lug (14) arranged in a horizontal direction, two tie bars (15) vertically mounted on the lug (14), and an insert, the tie bars (15) are used for increasing the fixing force for mounting the lug (14), first knurled holes (16) are respectively arranged at positions close to the edges of the lug (14), and the insert is embedded in the first knurled holes (16) and connected with the control box.

3. The capacitor case according to claim 2, wherein a first positioning hole (141) is further provided on the lug (14) at a position between the two tie bars (15), and the first positioning hole (141) is used for mounting and positioning between the housing (1) and the control box.

4. The capacitor case according to claim 1, wherein the first output terminal (11) and the second output terminal (12) are respectively provided with a first hole (111) and a second hole (121), the first hole (111) and the second hole (121) are located at positions corresponding to each other, and a nut mounting hole (22) is provided in the support base (2) at a position corresponding to the first hole (111) or the second hole (121), wherein:

the first control module, the first output terminal (11) and the supporting seat (2) are connected into a whole by a first screw which penetrates through the first control module and the first hole (111) and partially extends into the nut mounting hole (22);

a second screw penetrates through the second control module and the second hole (121) and partially extends into the nut mounting hole (22), so that the second control module, the second output terminal (12) and the support seat (2) are connected into a whole;

the supporting seat (2) and the side face of the shell (1) on which the first output terminal (11) is arranged are in parallel.

5. The capacitor case according to claim 4, wherein two sides of the support base (2) in the direction of the center line are respectively provided with a reinforcing rib (21), a third hole is opened on the reinforcing rib (21), and a boss (13) is mounted on the case (1), the boss (13) is adapted to the shape of the third hole to improve the stability of mounting the support base (2).

6. The capacitor case according to claim 5, wherein the nut mounting hole (22) comprises six faces, and each two spaced faces are provided with a rib along the thickness direction of the support base (2) for increasing the friction force with the first screw.

7. Capacitor case according to claim 6, characterized in that the nut mounting hole (22) comprises six faces for increasing the friction with the second screw.

8. The capacitor case according to claim 7, wherein the reinforcing rib (21) is provided with a second positioning hole (212) for initial positioning of the supporting seat (2).

9. A new energy automobile, comprising a control box, wherein a double-motor control system is installed in the control box, and the new energy automobile is characterized in that the control box is connected with a capacitor shell as claimed in any one of claims 1 to 8.