Antenna structure for vehicle and vehicle
By integrating the antenna on the fuel tank cover or charging cover of the vehicle to form a radiator, the problem of poor performance in the existing automotive antenna design is solved, and enhanced gain and signal coverage is achieved, communication stability is improved and cost is reduced.
Patent Information
- Application Number
- CN202422384770.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-29
- Publication Date
- 2025-07-22
- Estimated Expiration
- 2034-09-29
AI Technical Summary
The existing automotive antenna design is limited by the slot structure, resulting in poor performance.
The antenna structure is integrated on the fuel tank cover plate or charging cover plate of the vehicle, and the radiation direction is directed to the outside of the vehicle body. It is combined with components such as feeding voltage plate, coaxial wire, grounding terminal, etc. to form a stable radiation body.
Enhances the gain and signal coverage of the antenna, improves communication stability and reliability, reduces signal attenuation and interference, simplifies installation and maintenance processes, and reduces cost and weight.
Smart Images

Figure CN223141022U_ABST
Abstract
Description
Technical Field
[0001] This application belongs to the technical field of antenna structures. Specifically, this application relates to an antenna structure for a vehicle and a vehicle. Background Art
[0002] In the existing automotive antenna design, the antenna is usually installed on the vehicle as an independent component. Specifically, a slot is usually formed on the vehicle surface, and the antenna is disposed in the slot. However, this design is limited by the structure of the slot itself, resulting in less than ideal antenna performance. Summary of the Utility Model
[0003] An object of an embodiment of this application is to provide a new solution for an antenna structure for a vehicle and a vehicle.
[0004] According to a first aspect of an embodiment of this application, there is provided an antenna structure for a vehicle, including:
[0005] A body and an antenna, the antenna is disposed on the body, at least the body and the antenna can form a radiator, and the radiation direction of the radiator faces the outside of the vehicle body;
[0006] Wherein, the body is a fuel tank cover and / or a charging cover.
[0007] Optionally, it includes two bodies and two antennas. One antenna is disposed on each body. One body is a fuel tank cover, and the other body is a charging cover.
[0008] Optionally, the two bodies are respectively located on both sides of the vehicle body, and the radiation directions of the radiators formed by the two bodies are opposite.
[0009] Optionally, it further includes a feeding voltage sheet, the feeding voltage sheet is disposed on the body, the feeding voltage sheet is electrically connected to the antenna, and the feeding voltage sheet, the antenna and the body form the radiator.
[0010] Optionally, one end of the feeding voltage sheet further has a stub, the stub protrudes and encloses a coupling cavity with the body.
[0011] Optionally, it further includes a coaxial wire, the antenna is sleeved outside the coaxial wire, and one end of the coaxial wire is connected to the feeding voltage sheet.
[0012] Optionally, the antenna structure further includes a grounding terminal, the grounding terminal is sleeved outside the shielding layer of the coaxial wire, and the grounding terminal is connected to the stub.
[0013] Optionally, it further includes a connection terminal, which is provided at one end of the antenna away from the feed voltage plate, and the connection terminal is used to connect with a vehicle body device and transmit signals.
[0014] Optionally, it further includes a protection structure, which is provided on the outer side of the body, and the protection structure can protect the body and at least part of the antenna.
[0015] Optionally, the protection structure includes a housing, which is provided on the outer periphery of the body and covers at least part of the antenna.
[0016] Optionally, the protection structure further includes a surrounding plate, which surrounds the outer periphery of the body, and the surrounding plate is hermetically connected to the housing.
[0017] According to the second aspect of the embodiments of the present application, a vehicle is provided, including the antenna structure for a vehicle described in the first aspect.
[0018] Optionally, it includes at least one of a fuel tank cover and a charging cover, and the body is the fuel tank cover and / or the charging cover.
[0019] One technical effect of the present application is that:
[0020] The embodiments of the present application provide an antenna structure for a vehicle, including a body and an antenna. The antenna is provided on the body, and at least the body and the antenna can form a radiator, and the radiation direction of the radiator is towards the outside of the vehicle body; wherein, the body is the fuel tank cover and / or the charging cover. In this way, the relatively large size of the fuel tank cover or the charging cover in the vehicle can be utilized to enhance the gain of the antenna, thereby ensuring the performance of the antenna.
[0021] Through the following detailed description of the exemplary embodiments of the present application with reference to the accompanying drawings, other features and advantages of the present application will become clear. Description of the Drawings
[0022] The drawings incorporated in the specification and constituting a part of the specification illustrate the embodiments of the present application, and together with the description are used to explain the principles of the present application.
[0023] Figure 1 A schematic diagram of an antenna structure provided by an embodiment of the present application;
[0024] Figure 2 Another schematic diagram of an antenna structure provided by an embodiment of the present application;
[0025] Figure 3 A standing wave curve diagram of an antenna structure provided by an embodiment of the present application;
[0026] Figure 4 Another standing wave curve graph of an antenna structure provided by an embodiment of the present application;
[0027] Figure 5 A radiation pattern of an antenna structure provided by an embodiment of the present application;
[0028] Figure 6 Another radiation pattern of an antenna structure provided by an embodiment of the present application.
[0029] Description of reference numerals:
[0030] 100, connecting rotating shaft;
[0031] 1, body; 2, antenna; 3, feeding voltage piece; 4, stub; 41, coupling cavity; 5, coaxial wire; 6, grounding terminal; 7, connection terminal; 8, protection structure; 81, housing; 82, enclosure; 9, limiting part. Detailed implementation manners
[0032] Now, various exemplary embodiments of the present application will be described in detail with reference to the accompanying drawings. It should be noted that: unless otherwise specifically stated, the relative arrangements of components and steps, numerical expressions and values set forth in these embodiments do not limit the scope of the present application.
[0033] The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way a limitation on the present application, its application, or its use.
[0034] Techniques, methods, and devices known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, the techniques, methods, and devices should be regarded as part of the description.
[0035] In all the examples shown and discussed here, any specific value should be construed as merely exemplary and not as a limitation. Therefore, other examples of the exemplary embodiments may have different values.
[0036] It should be noted that: similar reference numerals and letters denote similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.
[0037] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "height", "thickness", "upper", "lower", "front", "middle", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or component referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present application.
[0038] As Figure 1 shown, the antenna structure for a vehicle provided by an embodiment of the present invention includes:
[0039] a body 1 and an antenna 2, the antenna 2 is provided on the body 1, at least the body 1 and the antenna 2 can form a radiator, and the radiation direction of the radiator faces the outside of the vehicle body;
[0040] wherein, the body 1 is a fuel tank cover and / or a charging cover.
[0041] As Figure 1 shown, the body 1 is the basic part of the antenna structure, and the body 1 can be designed as a fuel tank cover and / or a charging cover. In this way, when the antenna 2 is combined with the body 1, the shape and structure of the fuel tank cover and / or the charging cover can be fully utilized to achieve miniaturization and integration of the antenna.
[0042] The material of the body 1 can be selected from metal materials with good conductivity, such as aluminum, copper, etc., to ensure that it can be used as part of the antenna to form a radiator. At the same time, in order to ensure the durability and aesthetics of the body 1, spraying or coating treatment can be carried out on its surface.
[0043] The antenna 2 is the key part of the antenna structure. The antenna 2 can be designed as a thin film antenna or a printed antenna that closely fits the body 1. The material of the antenna 2 can be selected from materials with good conductivity, such as copper, silver, etc., to ensure that it can be used as part of the radiator to receive and transmit signals. At the same time, in order to enhance the performance of the antenna 2, a conductive coating or conductive particles can be added to its surface.
[0044] Among them, the combination method of the antenna 2 and the body 1 can adopt bonding, welding and other methods. When combining, it should be ensured that there is good electrical contact performance between the antenna 2 and the body 1, and a relatively stable radiator can be formed, thereby improving the quality of signal reception and transmission, reducing signal loss during transmission, and ensuring the stability and reliability of communication.
[0045] By directly fixing the antenna 2 to the fuel tank cover or the charging cover, it is also possible to avoid the problem of signal occlusion caused by the built-in antenna 2, thereby reducing the signal shielding problem during use and facilitating the guarantee of the performance of the antenna 2. Moreover, by utilizing the relatively large size of the fuel tank cover or the charging cover, the gain of the antenna 2 can also be enhanced.
[0046] When the body 1 is combined with the antenna 2, they jointly form a radiator. Among them, the radiation direction of the radiator faces the outside of the vehicle body, which can ensure the signal coverage range. In order to control the radiation direction of the radiator, specific shapes and dimensions, such as bending and folding, can be adopted in the design of the antenna 2. A limiting member 9 can also be provided, and the limiting member 9 is used to fix the antenna 2, which can facilitate wire routing.
[0047] The antenna structure provided by the present utility model can achieve the miniaturization and integration of the antenna by making full use of the existing vehicle structure as a part of the antenna structure. At the same time, the antenna structure has good signal receiving and transmitting performance and can meet the requirements of vehicle communication. In addition, the antenna structure also has the advantages of simple structure and convenient installation, which can reduce the cost and weight of the vehicle and improve the overall performance of the vehicle.
[0048] Moreover, by integrating the antenna structure on the fuel tank cover or the charging cover, the antenna is no longer an independent component on the vehicle appearance, thereby enhancing the overall aesthetics of the vehicle. And its installation and maintenance processes are relatively simple. The user only needs to replace or repair the fuel tank cover and the charging cover, which also reduces the maintenance cost and time cost.
[0049] Optionally, it includes two said bodies 1 and two said antennas 2. One said antenna 2 is provided on each said body 1. One said body 1 is the fuel tank cover, and the other said body 1 is the charging cover, so as to be able to utilize the fuel tank cover and the charging cover to facilitate reducing the cost of the antenna structure.
[0050] Optionally, the two said bodies 1 are respectively located on both sides of the vehicle body, and the radiation directions of the radiators formed by the two said bodies 1 are opposite.
[0051] As Figures 3 to 6 shown, by providing one antenna 2 on each side of the vehicle body and with their radiation directions opposite, the signal coverage range of the antenna structure can be significantly improved. When the vehicle is driving, no matter in which direction, it can maintain good signal receiving and transmitting capabilities, thereby enhancing the stability and reliability of communication.
[0052] As Figure 5 and Figure 6There are two antennas 2 with opposite radiation directions. This design helps reduce mutual interference and loss of signals during transmission. When the two antennas 2 work simultaneously, the signal transmission between them is more efficient, reducing signal attenuation and distortion, thereby improving communication quality. This also helps reduce the impact of electromagnetic radiation on the surrounding environment and passengers, while enhancing the electromagnetic compatibility of the vehicle body.
[0053] In addition, since there is one antenna 2 on each side of the vehicle body, when one antenna 2 fails or is damaged, the other antenna 2 can still work normally, thereby improving the redundancy and reliability of the entire system, and helping to reduce the risk of communication interruption caused by antenna 2 failure.
[0054] Optionally, it further includes a feed voltage plate 3. The feed voltage plate 3 is disposed on the body 1. The feed voltage plate 3 is electrically connected to the antenna 2. The feed voltage plate 3, the antenna 2 and the body 1 form the radiator.
[0055] As Figure 1 shown, the feed voltage plate 3 serves as a bridge between the antenna 2 and the power supply, and can ensure that the antenna 2 obtains stable and efficient energy supply. By adjusting the size, shape and position of the feed voltage plate 3, parameters such as the frequency response, bandwidth, and gain of the antenna 2 can be adjusted to better adapt to different communication environments and requirements.
[0056] Moreover, the radiation effect of the radiator formed by the feed voltage plate 3, the antenna 2 and the body 1 is further enhanced. The feed voltage plate 3, as a channel for energy transmission, can ensure that more energy is effectively radiated, thereby improving the radiation efficiency and coverage of the antenna structure.
[0057] Optionally, one end of the feed voltage plate 3 further has a stub 4. The stub 4 protrudes and encloses a coupling cavity 41 with the body 1.
[0058] As Figure 1 shown, the coupling cavity 41 enclosed by the stub 4 and the body 1 can significantly enhance the coupling effect between the antenna 2 and the surrounding environment, helping to better capture and radiate electromagnetic waves, thereby improving the sensitivity and efficiency of the antenna structure. Among them, the coupling cavity 41 can expand the bandwidth of the antenna 2 and increase the gain, and can also improve the anti-interference ability of the antenna 2, reduce the impact of external electromagnetic interference on the performance of the antenna 2, and ensure that the antenna structure can still work stably in a complex environment.
[0059] Among them, the stub 4 protrudes from the surface of the body 1. For example, one side of the feed voltage sheet 3 close to the antenna 2 can be folded up to form the stub 4. By adjusting the size, shape, and position of the stub 4, fine-tuning of the impedance of the antenna 2 can be achieved, ensuring that the antenna 2 has better performance within a specific frequency band. By adjusting parameters such as the length, width, and angle of the stub 4, flexible adjustment of the performance of the antenna 2 can also be achieved, enabling the antenna 2 to adapt to different application scenarios and communication requirements, and improving its versatility and flexibility.
[0060] Optionally, it further includes a coaxial wire 5. The antenna 2 is sleeved outside the coaxial wire 5, and one end of the coaxial wire 5 is connected to the feed voltage sheet 3.
[0061] As Figure 1 shown, the coaxial wire 5, as the transmission medium between the antenna 2 and the feed voltage sheet 3, is designed with low loss and high isolation to ensure that the signal is reduced in attenuation and distortion during transmission, thereby improving the signal transmission quality.
[0062] Using the coaxial wire 5 to tightly connect the antenna 2 and the feed voltage sheet 3 can ensure the stability of the antenna 2 receiving and transmitting signals, thereby reducing the influence of external factors on the antenna 2 and improving the anti-interference ability and reliability of the antenna 2.
[0063] Sleeving the antenna 2 outside the coaxial wire 5 not only simplifies the antenna structure but also makes the entire antenna structure more compact and lightweight, thereby reducing the manufacturing cost and installation difficulty of the antenna structure.
[0064] Among them, since the coaxial wire 5 is directly connected to the feed voltage sheet 3, the installation and maintenance process of the antenna are more convenient. The user only needs to reliably connect the coaxial wire 5 and the feed voltage sheet 3 to complete the installation of the antenna 2. During maintenance, only the connection status of the coaxial wire 5 and the integrity of the antenna 2 need to be checked.
[0065] Optionally, the antenna structure further includes a grounding terminal 6. The grounding terminal 6 is sleeved outside the shielding layer of the coaxial wire 5, and the grounding terminal 6 is connected to the stub 4.
[0066] As Figure 1 shown, the grounding terminal 6 is tightly combined with the shielding layer of the coaxial wire 5 to form an effective electromagnetic shielding layer. This design can reduce the influence of external electromagnetic interference on the performance of the antenna 2, improve the anti-interference ability of the antenna 2, and ensure the stability and reliability of signal transmission. Among them, the setting of the grounding terminal 6 can provide a safe grounding path for the antenna structure. In harsh environments such as lightning, the grounding terminal 6 can effectively conduct the current into the ground, preventing the current from damaging the antenna 2 and other components of the vehicle, and improving the safety of the antenna structure.
[0067] Moreover, the connection between the grounding terminal 6 and the stub 4 can also enhance the coupling effect between the antenna 2 and the surrounding environment, contributing to better capturing and radiating electromagnetic waves, improving the sensitivity and efficiency of the antenna 2, and optimizing the performance of the antenna 2.
[0068] Optionally, it further includes a connection terminal 7, which is provided at one end of the antenna 2 away from the feed voltage plate 3, and the connection terminal 7 is used to connect with a vehicle body device and transmit signals.
[0069] As Figure 1 shown, the connection terminal 7 can be a conventional electrical connection device, and the connection terminal 7 is used to form an electrical connection with a vehicle body device, so as to be able to transmit signals between the antenna structure and the vehicle body device. Among them, the connection terminal 7 is provided at one end of the antenna 2 away from the feed voltage plate 3, which can also facilitate the transmission of signals.
[0070] Optionally, as Figure 2 shown, it further includes a protection structure 8, which is provided on the outer side of the body 1, and the protection structure 8 can protect the body 1 and at least part of the antenna 2. That is to say, the protection structure 8 can protect the radiator of the antenna structure, facilitating the extension of the service life of the radiator.
[0071] Optionally, the protection structure 8 includes a housing 81, and the housing 81 is provided on the outer periphery of the body 1 and covers at least part of the antenna 2.
[0072] Specifically, in one embodiment, the protection structure 8 may only include the housing 81. The housing 81 has an accommodation space, and one end of the housing 81 has an opening communicating with the accommodation space. The radiator can pass through the opening, and the accommodation space can accommodate the radiator, so as to be able to protect the radiator and facilitate the extension of the service life of the radiator.
[0073] Optionally, the protection structure 8 further includes a surrounding plate 82, and the surrounding plate 82 is arranged around the outer periphery of the body 1, and the surrounding plate 82 is hermetically connected to the housing 81.
[0074] As Figure 2 shown, in another embodiment, the protection structure 8 may further include the housing 81 and the surrounding plate 82. The housing 81 and the surrounding plate 82 are hermetically connected, and the housing 81 and the surrounding plate 82 can protect the radiator from opposite sides, thereby extending the service life of the radiator.
[0075] The present utility model also provides a vehicle, including the above-mentioned antenna structure for a vehicle, and the antenna structure can be connected to the vehicle body through a connecting rotating shaft 100.
[0076] Optionally, it includes at least one of a fuel tank cover plate and a charging cover plate, and the body 1 is the fuel tank cover plate and / or the charging cover plate. In this way, the existing structure of the vehicle can be utilized as part of the antenna structure, enabling miniaturization and integration of the antenna. At the same time, this antenna structure has good signal reception and transmission performance, capable of meeting the requirements of vehicle communication. In addition, this antenna structure also has advantages such as simple structure and convenient installation, which can reduce the cost and weight of the vehicle and improve the overall performance of the vehicle.
[0077] Although some specific embodiments of the present application have been described in detail by way of examples, those skilled in the art should understand that the above examples are only for illustration and not for limiting the scope of the present application. Those skilled in the art should understand that the above embodiments can be modified without departing from the scope and spirit of the present application. The scope of the present application is defined by the appended claims.
Claims
1. An antenna structure for a vehicle, characterized in that, Comprising: A body (1) and an antenna (2), the antenna (2) is disposed on the body (1), at least the body (1) and the antenna (2) can form a radiator, and the radiation direction of the radiator is towards the outside of the vehicle body; Wherein, the body (1) is a fuel tank cover and / or a charging cover.
2. The antenna structure for a vehicle according to claim 1, characterized in that, Comprising two of the bodies (1) and two of the antennas (2), one antenna (2) is disposed on each body (1), one of the bodies (1) is a fuel tank cover, and the other body (1) is a charging cover.
3. The antenna structure for a vehicle according to claim 2, characterized in that, The two bodies (1) are respectively located on both sides of the vehicle body, and the radiation directions of the radiators formed by the two bodies (1) are opposite.
4. The antenna structure for a vehicle according to claim 1, characterized in that, Further comprising a feed voltage plate (3), the feed voltage plate (3) is disposed on the body (1), the feed voltage plate (3) is electrically connected to the antenna (2), and the feed voltage plate (3), the antenna (2) and the body (1) form the radiator.
5. The antenna structure for a vehicle according to claim 4, characterized in that, One end of the feed voltage plate (3) further has a stub (4), the stub (4) protrudes and encloses a coupling cavity (41) with the body (1).
6. The antenna structure for a vehicle according to claim 5, characterized in that, Further comprising a coaxial wire (5), the antenna (2) is sleeved outside the coaxial wire (5), and one end of the coaxial wire (5) is connected to the feed voltage plate (3).
7. The antenna structure for a vehicle according to claim 6, characterized in that, The antenna structure further comprises a grounding terminal (6), the grounding terminal (6) is sleeved outside the shielding layer of the coaxial wire (5), and the grounding terminal (6) is connected to the stub (4).
8. The antenna structure for a vehicle according to claim 4, characterized in that, Further comprising a connection terminal (7), the connection terminal (7) is disposed at one end of the antenna (2) away from the feed voltage plate (3), and the connection terminal (7) is used for connecting to a vehicle body device and transmitting signals.
9. The antenna structure for a vehicle according to claim 1, characterized in that, Further comprising a protection structure (8), the protection structure (8) is disposed outside the body (1), and the protection structure (8) can protect the body (1) and at least part of the antenna (2).
10. The antenna structure for a vehicle according to claim 9, characterized in that, The protection structure (8) comprises a housing (81), the housing (81) is disposed around the body (1) and covers at least part of the antenna (2).
11. The antenna structure for a vehicle according to claim 10, characterized in that, The protection structure (8) further comprises a surrounding plate (82), the surrounding plate (82) surrounds the periphery of the body (1), and the surrounding plate (82) is hermetically connected to the housing (81).
12. A vehicle, characterized in that, Comprising the antenna structure for a vehicle according to any one of claims 1 to 11.
13. The vehicle according to claim 12, characterized in that, Comprising at least one of a fuel tank cover and a charging cover, the body (1) being the fuel tank cover and / or the charging cover.