CN211579891U

CN211579891U - Shroud and start electricity generation all-in-one

Info

Publication number: CN211579891U
Application number: CN202020545555.5U
Authority: CN
Inventors: 朱昊懿; 孙洪权; 付军; 金佳能
Original assignee: Shanghai Valeo Automotive Electrical Systems Co Ltd
Current assignee: Shanghai Valeo Automotive Electrical Systems Co Ltd
Priority date: 2020-04-14
Filing date: 2020-04-14
Publication date: 2020-09-25
Anticipated expiration: 2030-04-14

Abstract

The utility model relates to a start electricity generation all-in-one technical field discloses a shroud and start electricity generation all-in-one. Wherein the cover cap is arranged outside the inverter of the starting and power generation integrated machine, one end of the inverter, which is far away from the cover cap, is connected with the rear cover assembly, a plurality of buckles connected with the rear cover assembly are arranged on the cover cap, and the side of at least one buckle is provided with a dismounting hole which penetrates through the cover cap. The utility model discloses a set up the shroud, realize the protection to the stator phase end of stator assembly and the coupling part of the generating line of dc-to-ac converter, the shroud passes through the buckle and is connected with back lid assembly, makes the installation more convenient, and the disassembly hole of buckle side is used for holding scissors head, and the disassembly hole runs through the shroud setting, is favorable to going deep of scissors head, is convenient for shear the buckle of destroying the shroud when destructively dismantling the shroud, makes the dismantlement easier.

Description

Shroud and start electricity generation all-in-one

Technical Field

The utility model relates to a start the electricity generation all-in-one technical field, especially relate to a shroud and start electricity generation all-in-one.

Background

The 48V system is adopted to provide a solution for meeting the national six-emission standard of the light hybrid vehicle, the 48V starting and power generating integrated machine is an important component in the 48V system, can provide torque assistance in the cold/hot starting process of the vehicle, reduces fuel consumption, recovers energy in the braking process of the vehicle, and charges a battery of the 48V system. The automobile which starts the power generation all-in-one machine by 48V with different power can realize the fuel saving rate of about 12 percent. The 48V starting and power generating integrated machine mainly comprises a stator assembly, an inverter, a front cover assembly, a rear cover assembly and a cover cap, wherein the front cover assembly, the rear cover assembly and the cover cap are sleeved outside the stator assembly and the inverter; the cover cap is used for protecting the connecting part of the stator phase end of the stator assembly and the inverter bus, and the front cover assembly or the rear cover assembly is also provided with a hanging angle used for realizing the connection of the starting and power generation integrated machine and the engine cylinder body.

In the prior art, the cover cap is usually connected with a fastening bolt in a buckling mode, and is very inconvenient to destructively disassemble.

Therefore, a need exists for a cover to solve the above problems.

SUMMERY OF THE UTILITY MODEL

Based on above, the utility model aims to provide a shroud and start electricity generation all-in-one has the convenient advantage of dismantlement.

In order to achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a shroud, the cover is located outside the dc-to-ac converter, the dc-to-ac converter is kept away from the one end of shroud is connected with back lid assembly, be provided with on the shroud a plurality of with the buckle that back lid assembly is connected, at least one the side of buckle is provided with the disassembly hole, the disassembly hole runs through the shroud.

As a preferred scheme of shroud, be provided with fastening bolt on the dc-to-ac converter, fastening bolt with back lid assembly threaded connection, fastening bolt's head is provided with the annular groove, the buckle with the annular groove joint.

As a preferred scheme of the cover cap, the buckle is provided with an annular flange, and the annular flange is arranged in the annular groove.

As a preferred scheme of the cover cap, at least one notch is arranged on the annular turnover edge, the notch extends to the buckle, and the notch is arranged right opposite to the dismounting hole.

As a preferable scheme of the cover cap, the buckle is further provided with a notch facing the outer side of the cover cap, and the notch is parallel to the surface of the cover cap.

As a preferable aspect of the cover, the detachment hole is rectangular, circular, or triangular.

As a preferable mode of the cover, a grille window is provided on the cover.

Preferably, the width of the grille window is no greater than 10mm as a cover.

As a preferable mode of the cover, the cover is provided with a bead and a rib.

A starting and power generating all-in-one machine comprises the cover cap in any scheme.

The utility model has the advantages that: through setting up the shroud, the stator phase end of protection stator assembly and the coupling part of the generating line of dc-to-ac converter, the shroud passes through the buckle to be connected with back lid assembly, makes the installation more convenient, and the disassembly hole of buckle side is used for holding the scissors head, and the disassembly hole runs through the shroud setting, is favorable to going deep of scissors head, is convenient for shear the buckle of destroying the shroud when destructively dismantling the shroud, makes the dismantlement easier.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly described below, and 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 the contents of the embodiments of the present invention and the drawings without creative efforts.

Fig. 1 is a schematic view of a starting and power generating integrated machine according to an embodiment of the present invention;

FIG. 2 is a schematic view of a cover according to an embodiment of the present invention;

FIG. 3 is an enlarged partial schematic view at A in FIG. 2;

fig. 4 is a schematic view of a front cover assembly according to an embodiment of the present invention.

In the figure:

110-a stator assembly; 120-a front cover assembly; 130-a rear cover assembly; 140-an inverter;

1-a cover; 11-buckling; 12-a disassembly hole; 13-annular flanging; 14-a grid window; 15-curling; 16-a gap; 17-a notch;

2-hanging corners; 21-a positioning pin; 22-mounting plane; 23-chamfering.

Detailed Description

In order to make the technical problems, technical solutions and technical effects achieved by the present invention more clear, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1 to 4, the present embodiment provides a cover 1 for a start-up power generation all-in-one machine, the cover is disposed outside an inverter 140 of the start-up power generation all-in-one machine, one end of the inverter 140 away from the cover 1 is connected to a rear cover assembly 130, one end of the rear cover assembly 130 away from the inverter 140 is further provided with a stator assembly 110, a stator phase end of the electronic assembly 110 is connected to a bus of the inverter 140, the cover 1 is provided with a plurality of buckles 11 connected to the rear cover assembly 130, a dismounting hole 12 is disposed on a side of at least one buckle 11, and the dismounting hole 12 penetrates through the cover 1.

Through setting up shroud 1, the stator phase terminal of protection stator assembly 110 and the coupling part of the generating line of dc-to-ac converter 140, shroud 1 is connected with back lid assembly 130 through buckle 11, and it is more convenient to make the installation, and the dismantlement hole 12 of buckle 11 side is used for holding the scissors head, and the setting of shroud 1 is run through to dismantlement hole 12, is favorable to going deep of scissors head, is convenient for shear the buckle 11 of destroying shroud 1 when destructively dismantling shroud 1, makes the dismantlement easier.

Specifically, as shown in fig. 1 to 3, the inverter 140 is provided with a fastening bolt, and the fastening bolt is in threaded connection with the rear cover assembly 130 to realize the connection between the inverter 140 and the rear cover assembly 130; the head of the fastening bolt is provided with an annular groove, correspondingly, the inner side of the buckle 11 is provided with an annular flange 13, and the annular flange 13 is arranged in the annular groove to realize the clamping connection of the cover cap 1 and the rear cover assembly 130.

Preferably, fastening bolt's head still is provided with the direction inclined plane, and annular turn-ups 13 sets up towards the direction of keeping away from dc-to-ac converter 140, during the joint, the direction inclined plane earlier with annular turn-ups 13 butt, direction inclined plane and annular turn-ups 13 homoenergetic play certain guide effect and be used for making things convenient for more laborsaving joint, the joint is accomplished the back, annular turn-ups 13 is arranged in the annular groove completely, the edge butt of annular turn-ups 13 in the top surface of annular groove, can effectively guarantee the stability and the fastness of joint. The cover 1 clamped with the rear cover assembly 130 is covered outside the inverter 140, and can effectively protect the connection part of the stator phase end of the stator assembly 110 and the bus of the inverter 140.

As shown in fig. 3, the buckle 11 is further provided with a notch 16 facing the outer side of the cover cap 1, and the notch 16 is parallel to the surface of the cover cap 1, so that the force can be applied more conveniently when the cover cap 1 is clamped; specifically, at least part of the dismounting hole 12 is arranged on the notch 16, so that the dismounting hole 12 is more easily damaged when being subjected to the shearing force of a scissors, and the cover 1 is convenient to dismount; in this embodiment, the detachment hole 12 is disposed right below the notch 16, so that the cover 1 is more beautiful.

Preferably, at least one notch 17 is formed in the annular flange 13, the notch 17 extends to the buckle 11, the notch 17 is arranged opposite to the dismounting hole 12, on one hand, the notch 17 is convenient for clamping the annular flange 13 and the annular groove, on the other hand, the notch 17 is arranged opposite to the dismounting hole 12, the head of a shear placed in the dismounting hole 12 is further extended into the notch 17, and the shear can destroy the annular flange 13 more specifically. In order to ensure the clamping strength of the annular flange 13 and the annular groove and ensure that the annular flange 13 is more easily damaged after being subjected to the shearing force of the head of the scissors, in the embodiment, 3 notches are arranged on the annular flange 13, and the three notches are arranged at equal intervals along the circumferential direction of the annular flange 13.

Further, to facilitate the extension of the head of the scissors during the destructive demolition, the disassembly hole 12 may be configured to be rectangular or circular or triangular and may accommodate any shape of the head of the scissors, in this embodiment, the disassembly hole 12 is configured to be rectangular, and the size of the rectangular disassembly hole 12 is 4mm × 6 mm. When the cover cap 1 needs to be disassembled destructively, the head of the scissors only needs to stretch into the disassembling hole 12, the scissors are rotated or opened, the annular flanging 13 is damaged, the connection between the buckle 11 and the rear cap assembly 130 is further damaged, and the lower cover cap 1 is disassembled, so that the disassembly is more convenient and labor-saving.

Meanwhile, in order to reduce the negative influence of the cover cap 1 on heat dissipation, the cover cap 1 is further provided with a grille window 14, the coverage area is reduced, and the width of the grille window 14 is not more than 10mm, so that heat dissipation is effectively realized, the protection level of IP25 is met, fingers of an operator cannot be inserted, and the safety of the operator is effectively protected.

Further, in order to effectively protect the operation safety of an operator, avoid the interference between the cover cap 1 and other parts and effectively realize the heat dissipation effect, a plurality of positions on the cover cap 1 are provided with grating windows 14; the width of the grille window 14 on the surface of the cover 1 is small, and can be set to be 2-4 mm; the width of the grating windows 14 on both sides of the cover 1 is larger, and can be set to be 6-10 mm; it is worth mentioning that to avoid further increasing the heat dissipation effect, the grille windows 14 located at the sides of the cover 1 are provided with different widths, specifically, the grille window 14 in the middle of the side of the cover 1 is wider, specifically 10mm, and the grille windows 14 at the two sides of the wider grille window 14 are narrower, specifically 6 mm.

Optionally, in order to further reduce the negative effect of the cover 1 on heat dissipation, a person skilled in the art may set a larger heat dissipation through hole on the surface of the cover 1 to replace the grille window 14 on the surface of the cover 1 on the premise of ensuring that the cover 1 has sufficient strength, and the heat dissipation through hole can play a larger heat dissipation role than the grille window 14, thereby greatly increasing the heat dissipation effect of the cover 1.

In order to avoid interference between the cover 1 and the inverter 140 or other components of the integrated starter generator, the cover 1 is configured in a semi-annular shape. In the present embodiment, the rear cover assembly 130 is connected to the inverter 140 by 4 fastening bolts, so correspondingly, 4 buckles 11 are provided on the semi-annular cover 1, and in order to facilitate the detachment of each buckle 11, a detachment hole 12 is provided on the side of one buckle 11; the person skilled in the art can also set the detachment holes 12 according to actual situations, for example, in the present embodiment, there is a structure that can accommodate the head of the scissors already at one of the buckles 11, and for the sake of simplifying the structure and facilitating the processing, the detachment holes 12 are no longer set on the side of the buckle 11, so that the detachment holes 12 are set on the side of 3 of the buckles 11 in the present embodiment, that is, the detachment holes 12 are set on 3.

Preferably, the cover 1 is provided with a bead 15 and a rib for further enhancing the structural strength of the cover 1, so that the risk of deformation, bending damage and the like during transportation and assembly can be effectively avoided. Specifically, the curled edge 15 is arranged along the circumferential edge of the cover cap 1, and the curled edge 15 is manufactured by adopting an injection molding process, so that the strength of the edge of the cover cap 1 can be effectively enhanced; the reinforcing ribs are arranged on the surface of the cover cap 1, and particularly can be arranged at the connecting positions and the stress concentration positions so as to enhance the strength of the surface of the cover cap 1; the beads 15 and the reinforcing ribs as a whole can effectively ensure that the cover 1 has a good structural strength to resist structural deformation during transportation and assembly, avoiding risks such as bending damage.

The embodiment also discloses a starting and power generating integrated machine, which comprises the cover cap 1 in any one of the above aspects, and further comprises a front cover assembly 120 arranged at one end far away from a rear cover assembly 130 along the axial direction of the stator assembly 110. As shown in fig. 1 and 4, the front cover assembly 120 and the rear cover assembly 130 are both provided with a hanging corner 2 for connecting the integrated starter-generator and the engine block. According to the starting and power generating integrated machine, the hanging angles 2 are arranged on the front cover assembly 120 and the rear cover assembly 130, so that the stress is more uniform when the starting and power generating integrated machine is connected with an engine cylinder body, stress concentration is reduced, the risk of breakage of the front cover assembly 120 or the rear cover assembly 130 is avoided, the strength of the starting and power generating integrated machine is effectively improved, and the safety performance of the starting and power generating integrated machine is improved.

Further, both the front cover assembly 120 and the rear cover assembly 130 are provided with the hanging angles 2, that is, the hanging angles 2 in the present embodiment are separated hanging angles 2, and compared with the cantilever type arrangement mode in which the hanging angles 2 are only arranged on the front cover assembly 120 or the rear cover assembly 130 in the prior art, the separated hanging angles 2 can better disperse the force to the front cover assembly 120 and the rear cover assembly 130, thereby effectively avoiding the adverse effect caused by stress concentration, and ensuring the connection strength of the starting and power generation integrated machine. In addition, the central axis of the hanging corner 2 is perpendicular to the central axes of the front cover assembly 120 and the rear cover assembly 130, so that the hanging corner 2 can bear larger force while being convenient to install, and the connecting strength of the starting and power generating integrated machine is further increased.

Specifically, in order to realize stable connection between the integrated start-up and power generation machine and the engine cylinder, the front cover 120 and the rear cover 130 are both provided with two hanging angles 2, which are 4 hanging angles 2 in total, and the hanging angles 2 are arranged at two radial ends of the front cover 120 and the rear cover 130. Further, the hitch angle 2 is provided with mounting planes 22, the mounting planes 22 abut against the engine block, and the four mounting planes 22 are located on the same plane.

In order to realize accurate connection of the integrated start-up and power generation machine and the engine cylinder, at least two hanging corners 2 are preferably provided with positioning pins 21. Exemplarily, two corners 2 on the front cover assembly 120 may be provided with positioning pins 21; or, the two hanging corners 2 on the rear cover assembly 130 are provided with positioning pins 21; or, a hanging corner 2 of the front cover assembly 120 is provided with a positioning pin 21, and a hanging corner 2 of the rear cover assembly 130 is provided with a positioning pin 21. According to the connection condition between the integrated start-up and power generation machine and the engine block and the operation habit of the operator, in the present embodiment, the positioning pins 21 are disposed on the two hanging corners 2 of the front cover assembly 120.

Preferably, the central axis of the positioning pin 21 coincides with the central axis of the hanging corner 2, which is more convenient for processing. And the end part of the positioning pin 21 is provided with a chamfer 23, so that a certain guiding effect can be achieved when the starting and power generating integrated machine is connected with an engine cylinder body.

It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Claims

1. The utility model provides a shroud, the cover is located outside inverter (140), inverter (140) are kept away from the one end of shroud (1) is connected with back lid assembly (130), its characterized in that, be provided with on shroud (1) a plurality of with buckle (11) that back lid assembly (130) are connected, at least one the side of buckle (11) is provided with disassembly hole (12), disassembly hole (12) run through shroud (1).

2. The cover cap according to claim 1, characterized in that a fastening bolt is arranged on the inverter (140), the fastening bolt is in threaded connection with the rear cover assembly (130), the head of the fastening bolt is provided with an annular groove, and the buckle (11) is clamped with the annular groove.

3. Cover according to claim 2, characterized in that the snap (11) is provided with an annular bead (13), which annular bead (13) is placed in the annular groove.

4. Cover according to claim 3, characterized in that the annular bead (13) is provided with at least one notch (17), the notch (17) extending onto the catch (11), and the notch (17) being arranged opposite the removal opening (12).

5. Cover according to claim 1, characterized in that the snap (11) is further provided with a break (16) towards the outside of the cover (1), said break (16) being parallel to the surface of the cover (1).

6. Cover according to claim 1, characterized in that the removal hole (12) is rectangular or circular or triangular.

7. Cover according to claim 1, characterized in that a grille window (14) is provided on the cover (1).

8. Cover according to claim 7, characterized in that the width of the grille window (14) is not more than 10 mm.

9. Cover according to any of claims 1-8, characterized in that the cover (1) is provided with a bead (15) and a bead.

10. A start-up and generation all-in-one machine, characterized in that it comprises a cover (1) according to any one of claims 1 to 9.