CN111371256A

CN111371256A - Starting and power generation integrated machine

Info

Publication number: CN111371256A
Application number: CN202010291014.9A
Authority: CN
Inventors: 朱昊懿; 孙洪权; 付军; 金佳能
Original assignee: Jv Sves
Current assignee: Jv Sves
Priority date: 2020-04-14
Filing date: 2020-04-14
Publication date: 2020-07-03
Anticipated expiration: 2040-04-14
Also published as: CN111371256B; WO2021208973A1

Abstract

The invention relates to the technical field of starting and power generation integrated machines, and discloses a starting and power generation integrated machine. The starting and power generating integrated machine comprises a stator assembly, a front cover assembly, a rear cover assembly, an inverter and a cover cap, wherein the front cover assembly and the rear cover assembly are arranged at two ends of the axis of the stator assembly, the inverter is arranged on one side, far away from the front cover assembly, of the rear cover assembly, the cover cap covers the inverter, a plurality of buckles connected with the rear cover assembly are arranged on the cover cap, and a dismounting hole penetrating through the cover cap is formed in the side of at least one buckle. According to the invention, the disassembly hole is formed at the side of the buckle so as to accommodate the head of the scissors when the cover cap is disassembled destructively, so that the disassembly is easier.

Description

Starting and power generation integrated machine

Technical Field

The invention relates to the technical field of starting and power generation integrated machines, in particular to a starting and power generation integrated machine.

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 high-voltage 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 starting and power generating integrated machine is needed to solve the above problems.

Disclosure of Invention

Based on the above, the invention aims to provide the starting and power generation integrated machine which has the advantages of convenience in disassembly, uniform stress, high safety and the like.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a start electricity generation all-in-one, includes the stator assembly, set up in protecgulum assembly and back lid assembly at stator assembly axis both ends and set up in back lid assembly keeps away from the dc-to-ac converter of protecgulum assembly one side still includes:

the cover cap, the cover is located outside the dc-to-ac converter, be provided with on the cover cap 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 cover cap.

As a preferred scheme for starting the power generation all-in-one machine, a fastening bolt is arranged on the inverter and is in threaded connection with the rear cover assembly, an annular groove is formed in the head of the fastening bolt, and the buckle is clamped with the annular groove.

As a preferred scheme for starting the power generation all-in-one machine, the buckle is provided with an annular flanging, and the annular flanging is arranged in the annular groove.

As a preferred scheme for starting the power generation all-in-one machine, a grating window is arranged on the cover.

As a preferred scheme for starting the power generation all-in-one machine, the cover cap is provided with a curled edge and a reinforcing rib.

As a preferred scheme for starting the power generation all-in-one machine, hanging angles are arranged on the front cover assembly and the rear cover assembly to connect the power generation all-in-one machine and the engine cylinder body, and the central axis of each hanging angle is perpendicular to the central axis of the front cover assembly and the central axis of the rear cover assembly.

As a preferred scheme for starting the power generation all-in-one machine, the hanging corners are arranged at the radial two ends of the front cover assembly and the rear cover assembly.

As a preferred scheme for starting the power generation all-in-one machine, the front cover assembly and the rear cover assembly are respectively provided with two hanging angles.

As a preferred scheme for starting the power generation all-in-one machine, at least two hanging corners are provided with positioning pins.

As a preferred scheme for starting the power generation all-in-one machine, the positioning pins are arranged on the two hanging corners on the front cover assembly;

or the positioning pins are arranged on the two hanging corners of the rear cover assembly;

or, the locating pin is arranged on one hanging corner of the front cover assembly, and the locating pin is arranged on one hanging corner of the rear cover assembly.

The invention has the beneficial effects that: through setting up the shroud, the realization is connected with the back lid assembly through the buckle to the protection of the stator phase end of stator assembly and the coupling part of the generating line of dc-to-ac converter, and it is more convenient to make the installation, and the dismantlement hole of side of buckle is used for holding the scissors head, is convenient for cut 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 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 diagram of a start-up power generation all-in-one machine according to an embodiment of the present invention;

FIG. 2 is a schematic view of a cover provided by 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 solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 4, the present embodiment provides a start-up and power generation all-in-one machine, which includes a stator assembly 110, a front cover assembly 120 and a rear cover assembly 130 disposed at two ends of an axis of the stator assembly 110, an inverter 140 disposed at one side of the rear cover assembly 130 away from the front cover assembly 120, and a cover 1 covering the inverter 140, wherein 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 at a side of at least one buckle 11, and the dismounting hole 12 penetrates through the cover 1.

Through setting up shroud 1, realize the protection to the connecting portion of stator phase terminal of stator assembly 110 and the generating line of dc-to-ac converter 140, shroud 1 is connected with back lid assembly 130 through buckle 11, makes the installation more convenient, and the dismantlement hole 12 of the side of buckle 11 is used for holding the 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 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, for the scissors head's of being convenient for when destructively demolising stretching into, the disassembly hole 12 can be set up to rectangle or circular or triangle-shaped and can hold the arbitrary shape of scissors head, in this embodiment, the disassembly hole 12 is set up to the rectangle, and the size of the disassembly hole 12 of rectangle is 4mm × 6mm when needs destructively dismantle shroud 1, only need stretch into the disassembly hole 12 with the head of scissors, rotatory or open the scissors, realize the destruction to annular turn-ups 13, further destruction buckle 11 and the connection between the back lid assembly 130, dismantle shroud 1 down, make the dismantlement more convenient, laborsaving.

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.

As shown in fig. 1 and 4, the front cover assembly 120 and the rear cover assembly 130 are both provided with the hanging angles 2 to connect the integrated starting and power generating machine and the engine cylinder, and the hanging angles 2 are both arranged on the front cover assembly 120 and the rear cover assembly 130, that is, the separated hanging angles 2 are adopted, so that compared with a 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 force to the front cover assembly 120 and the rear cover assembly 130, so that the stress when the integrated starting and power generating machine is connected with the engine cylinder is more uniform, 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 integrated starting and power generating machine is effectively improved, and the safety performance of the integrated starting and power generating machine is increased. Further, 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 connection strength of the starting and power generating integrated machine is further increased.

Specifically, in order to realize stable connection between the start-up and power generation all-in-one machine and the engine cylinder, the front cover assembly 120 and the rear cover assembly 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 assembly 120 and the rear cover assembly 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 is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. 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 by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular 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 should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meanings 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 start electricity generation all-in-one, its characterized in that includes stator assembly (110), set up in protecgulum assembly (120) and back lid assembly (130) at stator assembly (110) axis both ends and set up in back lid assembly (130) keep away from dc-to-ac converter (140) of protecgulum assembly (120) one side, still include:

shroud (1), the cover is located outside inverter (140), 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 integrated starting and power generating machine according to claim 1, wherein a fastening bolt is arranged on the inverter (140), the fastening bolt is in threaded connection with the rear cover assembly (130), an annular groove is arranged at the head of the fastening bolt, and the buckle (11) is clamped with the annular groove.

3. A starting and power generating all-in-one machine as claimed in claim 2, characterized in that the buckle (11) is provided with an annular flange (13), and the annular flange (13) is arranged in the annular groove.

4. A start-up and generation all-in-one machine as claimed in claim 1, characterized in that the cover (1) is provided with a grille window (14).

5. A start-up and power generation all-in-one machine as claimed in claim 1, characterized in that the cover cap (1) is provided with a bead (15) and a reinforcing rib.

6. A starting and power generating integrated machine as claimed in claim 1, wherein a hanging angle (2) is arranged on each of the front cover assembly (120) and the rear cover assembly (130) to connect the starting and power generating integrated machine and an engine cylinder, and the central axis of the hanging angle (2) is perpendicular to the central axes of the front cover assembly (120) and the rear cover assembly (130).

7. A starting and power generating all-in-one machine as claimed in claim 6, wherein the hanging corners (2) are arranged at two radial ends of the front cover assembly (120) and the rear cover assembly (130).

8. A start-up power generation all-in-one machine as claimed in claim 6, characterized in that the front cover assembly (120) and the rear cover assembly (130) are each provided with two hanging corners (2).

9. A starting and power generating all-in-one machine as claimed in claim 8, characterized in that at least two hanging corners (2) are provided with positioning pins (21).

10. A starting and power generating all-in-one machine as claimed in claim 9, characterized in that the positioning pins (21) are arranged on two hanging corners (2) on the front cover assembly (120);

or the positioning pins (21) are arranged on the two hanging corners (2) on the rear cover assembly (130);

or, the positioning pin (21) is arranged on one hanging corner (2) of the front cover assembly (120), and the positioning pin (21) is arranged on one hanging corner (2) of the rear cover assembly (130).