Vehicle-mounted combined antenna
By designing a vehicle-mounted combination antenna that integrates GNSS, 4G main antenna and 4G secondary antenna, the problem of single functions and complex structure of on-board antennas on the market is solved, and multifunctional signal reception and simple structure are realized, which meets the small size of cars , low-cost demand.
Patent Information
- Application Number
- CN202420033079.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-05
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2034-01-05
AI Technical Summary
The on-board antennas on the market have single functions or complex structures and are expensive, which cannot meet the needs of cars for multi-function combination antennas with small size, simple structure and low cost.
Design a vehicle-mounted combined antenna, including GNSS antenna unit, LTE1 antenna unit and LTE2 antenna unit on PCBA board, connected to the corresponding connector through coaxial cable, equipped with signal processing circuit and shielding cover, using GNSS stacked ceramic antenna and Foam fixing achieves three-in-one signal reception.
It realizes multi-function signal reception, improves reception efficiency, simplifies structure, reduces costs, and facilitates installation and connection.
Smart Images
Figure CN222214457U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of vehicle-mounted combined antennas, and has a three-in-one combined antenna, which integrates wireless communication technology and satellite positioning technology and can stably and efficiently receive signals. Background Art
[0002] As an integral part of automobile intelligence, vehicle-mounted antennas perform wireless communication and positioning to meet users' functional needs such as navigation and Internet access. The vehicle-mounted antennas on the market have single functions, or antennas with wireless communication and satellite positioning functions have complex structures and are expensive. With the increasing popularity of cars, the demand for multifunctional combined antennas with small size, simple structure and low cost will continue to increase. Utility Model Content
[0003] The main purpose of the utility model is to solve the above-mentioned technical problems.
[0004] According to the utility model, a vehicle-mounted combined antenna is proposed, comprising a PCBA board, wherein a GNSS antenna unit, an LTE1 antenna unit and an LTE2 antenna unit are fixedly arranged on the PCBA board, and mutually isolated GNSS signal ends, LTE1 signal ends and LTE2 signal ends are provided on the PCBA board corresponding to the GNSS antenna unit, the LTE1 antenna unit and the LTE2 antenna unit, and the GNSS connector, the LTE1 connector and the LTE2 connector are respectively connected through a coaxial cable.
[0005] Preferably, a signal processing circuit is provided on the PCBA board, and is electrically connected to the GNSS antenna unit, the LTE1 antenna unit and the LTE2 antenna unit.
[0006] Preferably, the GNSS antenna unit is a GNSS laminated ceramic antenna.
[0007] Preferably, the LTE1 antenna unit is fixed on the PCBA board via foam.
[0008] Preferably, the LTE1 antenna unit cooperates with the LTE2 antenna unit, and the LTE2 antenna unit assists in receiving 4G signals.
[0009] Preferably, a shielding cover is provided at the bottom of the PCBA board.
[0010] Preferably, the PCBA board is arranged on a bottom plate, and an upper shell for protecting components on the PCBA board is arranged above the bottom plate.
[0011] The technical solution of the utility model adopts three independent sub-antennas, which can receive different antenna signals at the same time, and is provided with a shielding cover to improve the receiving efficiency of the antenna; the combined antenna is convenient to connect with other devices inside the car, the overall structure is simple, the volume is small, and the installation is convenient. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] With reference to the accompanying drawings, the following will briefly introduce the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings are only used for illustrative purposes and are not intended to limit the protection scope of the present utility model.
[0013] Figure 1 The figure is a schematic diagram of the structure of a vehicle-mounted combined antenna involved in an embodiment of the utility model.
[0014] Description of Figure Numbers:
[0015] 1. GNSS antenna unit; 11. GNSS connector;
[0016] 2. LTE1 antenna unit; 21. LTE1 connector;
[0017] 3. LTE2 antenna unit; 31. LTE2 connector;
[0018] 4. PCBA board; 41. Foam;
[0019] 5. Coaxial cable; 51. Heat shrink tubing;
[0020] 6. Shielding cover;
[0021] 7. Bottom plate;
[0022] 8. Upper shell.
[0023] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION
[0024] In order to make the purpose, technical solution and advantages of the embodiments of the present disclosure clearer, the technical solution of the embodiments of the present disclosure will be clearly and completely described below in conjunction with the drawings of the embodiments of the present disclosure. Obviously, the described embodiments are part of the embodiments of the present disclosure, rather than all of the embodiments. Based on the described embodiments of the present disclosure, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present disclosure.
[0025] The utility model proposes a vehicle-mounted combined antenna, which integrates a GNSS antenna, a 4G main antenna (LTE1 antenna) and a 4G secondary antenna (LTE2 antenna). The combined antenna can meet the wireless communication needs of car users such as navigation positioning and Internet access.
[0026] In the embodiment of the present utility model, Figure 1 As shown, the combined antenna includes a GNSS antenna unit 1, an LTE1 antenna unit 2 and an LTE2 antenna unit 3. The GNSS antenna unit 1, the LTE1 antenna unit 2 and the LTE2 antenna unit 3 are fixedly arranged on one side of a PCBA board 4 and are electrically connected to the PCBA board 4; the PCBA board 4 has a GNSS signal end, an LTE1 signal end and an LTE2 signal end corresponding to the GNSS antenna unit 1, the LTE1 antenna unit 2 and the LTE2 antenna unit 3 and isolated from each other.
[0027] The GNSS antenna unit 1 is a GNSS laminated ceramic antenna, which is welded on the PCBA board 4; the GNSS antenna unit 1 can receive satellite signals in real time.
[0028] The LTE1 antenna unit 2 is fixed on the PCBA board 4 through the foam 41 and is compatible with the transmission and reception of 4G and lower signals.
[0029] The LTE2 antenna unit 3 is soldered on the PCBA board 4 and is used for auxiliary reception of 4G signals.
[0030] The GNSS signal terminal, LTE1 signal terminal and LTE2 signal terminal on the PCBA board 4 are respectively connected to the GNSS connector 11, the LTE1 connector 21 and the LTE2 connector 31 through the coaxial cable 5. A heat shrink sleeve 51 is provided at the connection between the coaxial cable 5 and the GNSS connector 11, the LTE1 connector 21 and the LTE2 connector 31.
[0031] A shielding cover 6 is provided on the other side of the PCBA board 4 for shielding the GNSS active signal.
[0032] The PCBA board 4 is fixed on the bottom plate 7, which is made of plastic. An upper shell 8 is provided to match the bottom plate 7, and the upper shell 8 can cover the components on the PCBA board.
[0033] GNSS antennas can capture satellite signals and provide accurate navigation services for cars, while 4G main and auxiliary antennas can receive Internet signals and provide cars with fast and stable network connections. Through the application of vehicle-mounted combined antennas, car users can fully experience the convenience and efficiency of intelligence while enjoying the fun of driving.
Claims
1. A vehicle-mounted combined antenna, comprising a PCBA board (4), characterized in that: The GNSS antenna unit (1), the LTE1 antenna unit (2) and the LTE2 antenna unit (3) are fixedly arranged on the PCBA board (4); the PCBA board (4) is provided with mutually isolated GNSS signal ends, LTE1 signal ends and LTE2 signal ends corresponding to the GNSS antenna unit (1), the LTE1 antenna unit (2) and the LTE2 antenna unit (3); and the GNSS connector (11), the LTE1 connector (21) and the LTE2 connector (31) are respectively connected via a coaxial cable (5).
2. The vehicle-mounted combined antenna according to claim 1, characterized in that: The PCBA board (4) is provided with a signal processing circuit and is electrically connected to the GNSS antenna unit (1), the LTE1 antenna unit (2) and the LTE2 antenna unit (3).
3. The vehicle-mounted combined antenna according to claim 2, characterized in that: The GNSS antenna unit (1) is a GNSS multilayer ceramic antenna.
4. The vehicle-mounted combined antenna according to claim 2, characterized in that: The LTE1 antenna unit (2) is fixed on the PCBA board (4) via foam (41).
5. The vehicle-mounted combined antenna according to claim 2, characterized in that: The LTE1 antenna unit (2) works in coordination with the LTE2 antenna unit (3), and the LTE2 antenna unit (3) assists in receiving 4G signals.
6. The vehicle-mounted combined antenna according to any one of claims 1 to 5, characterized in that: A shielding cover (6) is provided at the bottom of the PCBA board (4).
7. The vehicle-mounted combined antenna according to claim 6, characterized in that: The PCBA board (4) is arranged on a bottom plate (7), and an upper shell (8) for protecting components on the PCBA board (4) is arranged above the bottom plate (7).