CN-224218187-U - Generator and vehicle

CN224218187UCN 224218187 UCN224218187 UCN 224218187UCN-224218187-U

Abstract

The application discloses a generator and a vehicle, belonging to the technical field of automobiles, wherein the generator comprises a generator body and a generator shield, the side surface of the generator body is provided with a heat radiation hole, the generator shield comprises a shield body, wherein the shield body is arranged on the outer side of the generator body and covers the heat dissipation holes, and a gap exists between the shield body and the generator body. According to the generator provided by the application, the shield body is covered on the radiating hole area of the generator body, so that a certain shielding and protecting effect can be achieved on the radiating hole, the damage to internal devices of the generator body caused by the falling of large-particle foreign matters into the radiating hole is avoided, meanwhile, a gap is reserved between the shield body and the generator body, the heat dissipation of the generator body is not influenced, the normal operation of the generator body is ensured, the reduction of faults is facilitated, and the service life of the generator is prolonged.

Inventors

MENG FANXING
SONG XURI
YI XIAOTONG
ZHANG TING
WANG ZHIRUI
WANG WENXIAO
YANG KEFEI
CHEN JUNHONG
ZHOU ZONGLIANG
LIU LIJIE
MENG ZHAOYU
SONG YIFEI
WANG GUANGBIN

Assignees

北汽福田汽车股份有限公司

Dates

Publication Date: 20260508
Application Date: 20250530

Claims (10)

1. A generator, characterized in that: comprises a generator body (1) and a generator shield (2); The generator is characterized in that a radiating hole (11) is formed in the side face of the generator body (1), the generator shield (2) comprises a shield body (21), the shield body (21) is arranged on the outer side of the generator body (1) and covers the radiating hole (11), and a gap is formed between the shield body (21) and the generator body (1).
2. The generator of claim 1, wherein: The shield body (21) is provided with a circular arc-shaped side shell structure, and the shield body (21) is arranged at the side part of the generator body (1) and is coaxially arranged with the generator body (1); The radial direction of the generator body (1) is seen, the two end edges of the shield body (21) in the circumferential direction of the generator body exceed the boundary of the radiating holes (11) in the circumferential direction of the generator body (1), and the two end edges of the shield body (21) in the axial direction of the shield body exceed the boundary of the radiating holes (11) in the axial direction of the generator body (1).
3. The generator of claim 1, wherein: The generator shield (2) further comprises a first connection part (22), and the first connection part (22) is connected with the shield body (21); The thickness of the first connecting part (22) is smaller than the width of the shield body (21) in the axial direction, and the first connecting part (22) is arranged at the middle position of the shield body (21) in the axial direction; The first connecting part (22) is provided with a first connecting structure, and the first connecting structure connects and fixes the generator shield (2) with the generator body (1) along the radial direction of the generator body (1).
4. A generator according to claim 3, characterized in that: A plurality of first bolts (12) which are distributed at intervals are arranged on the generator body (1) along the circumferential direction; The shape of the first connecting portion (22) is set to be circular arc, the first connecting structure comprises a plurality of clamping grooves, the clamping grooves are distributed at intervals along the inner periphery of the first connecting portion (22), and the clamping grooves are matched with the first bolts (12) in a clamping mode.
5. The generator of claim 4, wherein: The first connecting structure comprises a first clamping groove (221), a second clamping groove (222) and a third clamping groove (223), wherein the first clamping groove (221), the second clamping groove (222) and the third clamping groove (223) are sequentially distributed on the inner side circumference of the first connecting portion (22), the opening directions of the first clamping groove (221) and the second clamping groove (222) are opposite to the circle center of the inner side circumference of the first connecting portion (22), and the opening direction of the third clamping groove (223) faces the outer side of the first connecting portion (22) and deviates from the circle center of the inner side circumference of the first connecting portion (22).
6. The generator of claim 1, wherein: The generator shield (2) further comprises a second connecting part (23), and the second connecting part (23) is connected with the shield body (21); the thickness of the second connecting part (23) is smaller than the width of the shield body (21) in the axial direction, and the second connecting part (23) is arranged at the end part position of the shield body (21) in the axial direction; The second connecting part (23) is provided with a second connecting structure, and the second connecting structure is used for connecting and fixing the generator shield (2) and the generator body (1) along the axial direction of the generator body (1).
7. The generator of claim 6, wherein: a connecting boss (13) is arranged on the generator body (1), and a threaded hole is formed in the connecting boss (13) along the axial direction of the generator body (1); The second connecting portion (23) is arranged corresponding to the connecting boss (13), the second connecting structure comprises a bolt through hole (231) and a second bolt, and the second bolt penetrates through the bolt through hole (231) to be in threaded fit with the threaded hole so as to tightly prop against the second connecting portion (23) and the connecting boss (13).
8. The generator of claim 7, wherein: A groove structure (26) is formed on the shield body (21), and the groove structure (26) is positioned at one end of the shield body (21) which is axially close to the second connecting part (23) and corresponds to the position of the connecting boss (13); Wherein the groove structure (26) is recessed towards the direction close to one side of the generator body (1), The groove bottom surface of the groove structure (26) is provided with an arc-shaped surface, and the concave surface of the arc-shaped surface faces the generator body (1).
9. The generator of claim 1, wherein: the outer side of the shield body (21) is provided with a reinforcing rib (24), or/and the generator shield (2) is provided with a vent hole (25).
10. A vehicle comprising a generator as claimed in any one of claims 1 to 9.

Description

Generator and vehicle Technical Field The application relates to the technical field of automobiles, in particular to a generator and a vehicle. Background With the rapid development of the current automobile industry, the industry is particularly competitive. For the hosting plant, own hybrid and new energy products have also been developed. As a hybrid project, a 48V hybrid generator is an indispensable component, and it is important how to ensure the normal operation and low failure rate of the generator because of various vehicle application environments. The generator can produce heat when the work, for keeping the normal operating temperature of generator, is provided with the louvre on the generator, and the louvre is put through the wind path of generator inside and the outside wind path of generator, and outside air can enter into the generator inside through the louvre and carry out heat exchange to the realization is to the heat dissipation of generator. However, the stator, the rotor, the fan and the electrical elements of the generator are arranged near the radiating hole of the generator, external large particle foreign matters easily enter the generator from the radiating hole, and the stator, the rotor and the electrical elements are easily knocked under the drive of high-speed rotation of the fan, so that the generator is damaged, and the generator is further disabled. Disclosure of utility model The application provides a generator and a vehicle, and aims to solve the problem that large-particle foreign matters easily enter the generator from a radiating hole to damage the generator in the prior art. A generator comprises a generator body and a generator shield, wherein a heat dissipation hole is formed in the generator body, the generator shield comprises a shield body, the shield body is arranged on the outer side of the generator body and covers the heat dissipation hole, and a gap exists between the shield body and the generator body. The heat dissipation hole is formed in the side face of the generator body, the shield body is of a circular arc-shaped side shell structure and is arranged on the side portion of the generator body and is coaxial with the generator body, the two end edges of the shield body in the circumferential direction of the shield body exceed the boundary of the heat dissipation hole in the circumferential direction of the generator body when seen in the radial direction of the generator body, and the two end edges of the shield body in the axial direction of the shield body exceed the boundary of the heat dissipation hole in the axial direction of the generator body. Optionally, the generator shield further comprises a first connecting portion, the first connecting portion is connected with the shield body, the thickness of the first connecting portion is smaller than the width of the shield body in the axial direction, the first connecting portion is arranged at the middle position of the shield body in the axial direction, a first connecting structure is arranged on the first connecting portion, and the first connecting structure is used for connecting and fixing the engine shield and the generator body in the radial direction of the generator body. The generator comprises a generator body, wherein a plurality of first bolts are arranged on the generator body at intervals along the circumferential direction, the first connecting portion is in a circular arc shape, the first connecting structure comprises a plurality of clamping grooves, the clamping grooves are distributed along the inner circumference of the first connecting portion at intervals, and the clamping grooves are matched with the first bolts in a clamping mode. Optionally, the first connecting structure comprises a first clamping groove, a second clamping groove and a third clamping groove, the first clamping groove, the second clamping groove and the third clamping groove are sequentially distributed on the inner circumference of the first connecting portion, the opening directions of the first clamping groove and the second clamping groove are opposite to the circle center of the inner circumference of the first connecting portion, and the opening direction of the third clamping groove deviates from the circle center of the inner circumference of the first connecting portion towards the outer side of the first connecting portion. Optionally, the generator shield further comprises a second connecting part, wherein the second connecting part is connected with the shield body, the thickness of the second connecting part is smaller than the width of the shield body in the axial direction, the second connecting part is arranged at the end part of the shield body in the axial direction, and a second connecting structure is arranged on the second connecting part and used for connecting and fixing the generator shield and the generator body in the axial direction of the generator body. Optionally, a conne