CN-115986396-B - Antenna, telematics device, and vehicle

Abstract

The application discloses an antenna, a remote information processor and a vehicle. The antenna comprises a main body part, a feeding part and a grounding part, wherein the main body part is plate-shaped, the feeding part comprises a first body and a feeding pin, the feeding pin is used for being connected with a microstrip line of a circuit board, the feeding pin and the main body part are arranged at intervals in a first direction, the first body is connected between the main body part and the feeding pin, the grounding part comprises a second body and a grounding pin, the grounding pin is used for being connected with a grounding end of the circuit board, the grounding pin and the main body part are arranged at intervals in the first direction, and the second body is connected between the main body part and the grounding pin, wherein the first direction is the thickness direction of the main body part. The antenna provided by the application can improve the compactness of the internal structure of the remote information processor.

Inventors

• YANG QINGSHAN
• ZHOU XIANGWEI
• GU XIANG

Assignees

• 北京经纬恒润科技股份有限公司

Dates

Publication Date

20260505

Application Date

20230109

Claims (19)

1. 1. An antenna, comprising: a body part having a plate shape; The power supply part comprises a first body and a power supply pin, wherein the power supply pin is used for being connected with a microstrip line of the circuit board, the power supply pin and the main body part are arranged at intervals in a first direction, and the first body is connected between the main body part and the power supply pin; the grounding part comprises a second body and a grounding pin, the grounding pin is used for being connected with the grounding end of the circuit board, the grounding pin and the main body part are arranged at intervals in the first direction, the second body is connected between the main body part and the grounding pin, The first direction is the thickness direction of the main body part, the main body part comprises a first antenna arm and a second antenna arm, the first antenna arm, the second antenna arm and the feed part are mutually connected to form a closed ring shape and form a hollowed-out part in a surrounding mode, the first antenna arm extends and forms along the second direction, and one end of the first antenna arm is connected with the feed part; The second antenna arm comprises a first section, a second section, a third section and a fourth section, wherein the first section is connected between the second section and the feed part, one end of the second section, which is far away from the first section, is connected with the third section, one end of the third section, which is far away from the second section, is connected with one end of the first antenna arm, which is far away from the feed part, the fourth section is connected with one side, which is close to the hollowed-out part, of the third section and protrudes out of the third section in a third direction, the first section and the third section are formed by extending along the second direction, the second section and the fourth section are formed by extending along the third direction, and the first direction, the second direction and the third direction are intersected in pairs.
2. 2. The antenna of claim 1, wherein an angle between a surface of the first body and a surface of the main body portion is 90 °; and/or, the included angle between the surface of the second body and the surface of the main body part is 90 degrees.
3. 3. The antenna of claim 1, wherein a spacing between the feed leg and the body portion in the first direction is equal to a spacing between the ground leg and the body portion in the first direction.
4. 4. The antenna of claim 1, wherein the body portion extends along a circular path and is connected to the feed portion to be in a closed loop shape, the feed portion and the ground portion being spaced apart along the circular path.
5. 5. The antenna of claim 4, wherein the number of the ground portions is two or more, and the two or more ground portions are spaced apart along the circular path.
6. 6. The antenna of claim 5, further comprising a support portion including a third body and a support leg, the support leg being spaced apart from the main body portion in a first direction, the third body being connected between the main body portion and the support leg, the support portion, the feed portion and the ground portion being on a same side of the main body portion in the first direction.
7. 7. The antenna of claim 6, wherein a spacing between the support leg and the body portion in the first direction is equal to a spacing between the feed leg and the body portion in the first direction and a spacing between the ground leg and the body portion in the first direction.
8. 8. The antenna of claim 6, wherein the number of the grounding portions is two, the two grounding portions are disposed at intervals along the third direction, and the supporting portion and the feeding portion are disposed at intervals along the second direction.
9. 9. The antenna of claim 8, wherein the support is connected to the second segment; One of the two grounding parts is connected with the first section, and the other grounding part is connected with the fourth section.
10. 10. The antenna according to claim 9, wherein the ground portion connected to the first segment is located at a side of the first segment away from the hollowed-out portion in the third direction, the ground portion connected to the fourth segment is located at a side of the fourth segment in the second direction, and the supporting portion is located at a side of the second segment away from the feeding portion in the second direction.
11. 11. The antenna of claim 8, wherein the second antenna arm extends 115mm to 117mm in length.
12. 12. The antenna according to any one of claims 1 to 11, wherein a first reinforcing portion is provided on the main body portion, an extension path of the first reinforcing portion is the same as an extension path of at least part of the main body portion, and the first reinforcing portion is provided protruding from a surface of the main body portion.
13. 13. The antenna according to claim 12, wherein the first reinforcing portion is provided protruding from a surface of the main body portion on a side close to the feeding portion in the first direction.
14. 14. The antenna according to any one of claims 1 to 11, wherein the first body is connected to the main body portion by a first bending portion, a second reinforcing portion is provided on the first bending portion, The second reinforcing part extends from the main body part to the first body and protrudes from the surface of the first bending part; and/or the second body is connected with the main body part through a second bending part, a third reinforcing part is arranged on the second bending part, The third reinforcing part extends from the main body part to the second body, and protrudes from the surface of the second bending part.
15. 15. The antenna according to claim 14, wherein the second reinforcing portion is provided protruding from a surface of the first bending portion toward the feed portion and the main body portion side; And/or the third reinforcing part protrudes from the surface of the second bending part towards one side of the grounding part and the main body part.
16. 16. The antenna according to any one of claims 1 to 11, wherein a fourth reinforcing portion is provided on the first body, the fourth reinforcing portion being formed extending in the first direction, the fourth reinforcing portion being provided protruding in the second direction from a surface of the first body on a side close to the main body.
17. 17. The antenna according to any one of claims 6 to 11, wherein the third body is connected to the main body portion by a third bending portion, a fifth reinforcing portion is provided on the third bending portion, the fifth reinforcing portion extends from the main body portion to the third body, and the fifth reinforcing portion protrudes from a surface of the third bending portion toward the support portion and the main body portion side.
18. 18. A telematics processor including a circuit board and an antenna as claimed in any one of claims 1 to 17.
19. 19. A vehicle is characterized in that, comprising a telematics unit as claimed in claim 18.

Description

Antenna, telematics device, and vehicle Technical Field The application belongs to the technical field of communication, and particularly relates to an antenna, a remote information processor and a vehicle. Background With the continuous development of networking process, the design of equipment applied to the technical field of communication is focused on the fields of miniaturization (compact size) and easy integration of devices. However, the existing antenna often needs to have a larger size to realize a better communication function, so that the existing antenna and the circuit board often have a larger connection area, which is not beneficial to the arrangement of other modules on the circuit board, and a certain clearance is required to be arranged between the antenna and the metal element to ensure the normal operation of the antenna, therefore, the remote information processor comprising the antenna and the circuit board often needs to have a larger size, and the compactness of the internal structure of the remote information processor is reduced. Disclosure of Invention The embodiment of the application provides an antenna, a remote information processor and a vehicle, and aims to improve the compactness of the internal structure of the remote information processor. In a first aspect, an embodiment of the application provides an antenna, which comprises a main body part, a feeding part and a grounding part, wherein the main body part is plate-shaped, the feeding part comprises a first body and a feeding pin, the feeding pin is used for being connected with a microstrip line of a circuit board, the feeding pin and the main body part are arranged at intervals in a first direction, the first body is connected between the main body part and the feeding pin, the grounding part comprises a second body and a grounding pin, the grounding pin is used for being connected with a grounding end of the circuit board, the grounding pin and the main body part are arranged at intervals in the first direction, and the second body is connected between the main body part and the grounding pin, wherein the first direction is a thickness direction of the main body part. According to an embodiment of the first aspect of the application, the angle between the surface of the first body and the surface of the main body portion is 90 ° and/or the angle between the surface of the second body and the surface of the main body portion is 90 °. According to any of the foregoing embodiments of the first aspect of the present application, a spacing between the feeding leg and the main body portion in the first direction is equal to a spacing between the ground leg and the main body portion in the first direction. According to any one of the foregoing embodiments of the first aspect of the present application, the main body portion extends along a circular path and is connected to the power feeding portion so as to be in a closed loop shape, and the power feeding portion and the ground portion are disposed at intervals along the circular path. According to any one of the embodiments of the first aspect of the present application, the number of the grounding portions is two or more, and the two or more grounding portions are disposed at intervals along the annular path. According to any one of the foregoing embodiments of the first aspect of the present application, the antenna further includes a supporting portion, the supporting portion includes a third body and a supporting leg, the supporting leg and the main body are disposed at intervals in the first direction, the third body is connected between the main body and the supporting leg, and the supporting portion, the power feeding portion and the ground portion are located on a same side of the main body in the first direction. According to any of the foregoing embodiments of the first aspect of the present application, the spacing between the support leg and the main body portion in the first direction is equal to the spacing between the feed leg and the main body portion in the first direction and the spacing between the ground leg and the main body portion in the first direction. According to any one of the foregoing embodiments of the first aspect of the present application, the number of the grounding portions is two, the two grounding portions are disposed at intervals along the third direction, the supporting portion and the feeding portion are disposed at intervals along the second direction, and the first direction and the second direction intersect with the third direction two by two. According to any one of the embodiments of the first aspect of the present application, the main body portion includes a first antenna arm and a second antenna arm, the first antenna arm, the second antenna arm and the feeding portion are connected to each other to form a closed loop and form a hollowed portion around the first antenna arm, the first antenna arm is formed by extending alo