A shark fin smart antenna for vehicle-mounted cameras

Abstract

The invention discloses a shark fin intelligent antenna for a vehicle-mounted camera, comprising a base, a shark fin shell, a PCB board, an external antenna and a camera acquisition device. The shark fin shell is assembled on the base, the shark fin shell and the base are enclosed to form an internal cavity, a through mounting hole matching the camera acquisition device is opened on the shark fin shell, the PCB board and the external antenna are accommodated in the internal cavity, the external antenna adopts an intelligent antenna combination and is fixedly mounted on the PCB board, the acquisition end of the camera acquisition device is embedded in the mounting hole of the shark fin shell, the other end of the camera acquisition device is accommodated in the internal cavity, and the shark fin antenna is mounted on the roof of the vehicle at a relatively high position, so that the camera acquisition device has a very wide field of view and plays a function of assisting a central rearview mirror.

Description

Technical Field

[0001] The invention belongs to the field of vehicle-mounted antennas, and in particular relates to a shark fin intelligent antenna for a vehicle-mounted camera. Background Art

[0002] With the rapid development of the automobile industry and the continuous improvement of communication technology, people have higher and higher requirements for automobiles, and in-vehicle cameras came into being in this context.

[0003] At present, the cameras on vehicles are generally installed at the rear of the vehicle or in the side mirrors. Due to the limitation of the installation position, especially the camera installed at the rear of the vehicle, the camera field of view is not very good due to the low installation position. Summary of the invention

[0004] The purpose of the present invention is to provide a shark fin intelligent antenna for a vehicle-mounted camera, and the camera has a good field of view.

[0005] To solve the above problems, the technical solution of the present invention is:

[0006] A shark fin smart antenna for a vehicle-mounted camera, comprising a base, a shark fin shell, a PCB board, an external antenna and a camera acquisition device;

[0007] The base is fixedly arranged above the roof of the car;

[0008] The shark fin shell is assembled on the base, the shark fin shell and the base are combined to form an internal cavity, and a through mounting hole matching the camera acquisition device is opened on the shark fin shell;

[0009] The PCB board is accommodated in the internal cavity, and the PCB board is installed on the upper surface of the base;

[0010] The external antenna is accommodated in the internal cavity, and the external antenna adopts a smart antenna combination and is fixedly mounted on the PCB board;

[0011] The collection end of the video collection device is embedded in the installation hole of the shark fin shell, and the other end of the video collection device is accommodated in the internal cavity.

[0012] Preferably, the video acquisition device is a camera.

[0013] Preferably, the camera is a camera whose protection level does not meet the IP67 standard, and sealing ribs are provided on the inner cavity wall of the shark fin shell along the circumferential direction of the mounting hole, and a sealing connection is adopted between the rear end of the lens of the camera and the sealing ribs.

[0014] Preferably, a sealing ring or glue injection is used to seal the rear end of the lens of the camera and the sealing rib.

[0015] Preferably, the camera is a camera with a protection level that meets the IP67 standard, and a sealing partition is provided on the inner cavity wall of the shark fin shell, and the sealing partition divides the internal cavity into a first internal cavity and a second internal cavity, the camera is accommodated in the first internal cavity, and the PCB board and the external antenna are accommodated in the second internal cavity, the camera also includes a camera signal coaxial line, the input end of the camera signal coaxial line is connected to the signal output end of the camera, the output end of the camera signal coaxial line passes through the sealing partition and is connected to the external antenna signal, and the camera signal coaxial line is sealed to the sealing partition.

[0016] Preferably, the camera signal coaxial line is sealed and connected to the sealing partition by using a sealing ring or by glue injection.

[0017] Preferably, the external antenna adopts a smart antenna combination, and the external antenna includes a first main antenna, a second main antenna, a first secondary antenna, a second secondary antenna, a first dedicated antenna, a second dedicated antenna and a third dedicated antenna.

[0018] Preferably, the first main antenna, the second main antenna, the first secondary antenna, and the second secondary antenna are LTE antennas or 4G antennas or 5G antennas, the first dedicated antenna is a GNSS antenna or a SXM satellite broadcast antenna or a Wi-Fi antenna or a BT antenna, and the second dedicated antenna and the third dedicated antenna are Wi-Fi antennas or V2X antennas or BT antennas or GNSS antennas or SXM satellite broadcast antennas.

[0019] Preferably, a V2X antenna is integrated on the first main antenna or the second main antenna.

[0020] The V2X antenna at least includes a V2X-R antenna, and the V2X-R antenna is installed above or below the camera acquisition device.

[0021] Due to the adoption of the above technical solution, the present invention has the following advantages and positive effects compared with the prior art:

[0022] 1) The present invention provides a shark fin smart antenna for a vehicle-mounted camera, comprising a base, a shark fin shell, a PCB board, an external antenna and a camera acquisition device, wherein the shark fin shell is assembled on the base, the shark fin shell and the base are combined to form an internal cavity, a through mounting hole matching the camera acquisition device is provided on the shark fin shell, the PCB board and the external antenna are accommodated in the internal cavity, the external antenna adopts a smart antenna combination and is fixedly mounted on the PCB board, the acquisition end of the camera acquisition device is embedded in the mounting hole of the shark fin shell, and the other end of the camera acquisition device is accommodated in the internal cavity, and the shark fin antenna is mounted on the roof of the vehicle at a relatively high position, so that the camera acquisition device has a very wide field of view and serves the function of assisting the central rearview mirror.

[0023] 2) The present invention provides a shark fin smart antenna for a vehicle-mounted camera. The camera is selected to have a protection level that meets the IP67 standard. A sealing partition is provided on the inner cavity wall of the shark fin shell, and the sealing partition divides the inner cavity into a first inner cavity and a second inner cavity. The camera is accommodated in the first inner cavity, and the external antenna is accommodated in the second inner cavity. The camera also includes a camera signal coaxial line, and the input end of the camera signal coaxial line is connected to the signal output end of the camera, and the output end of the camera signal coaxial line passes through the sealing partition and is connected to the external antenna signal, and the camera signal coaxial line is sealed to the sealing partition. The camera is separately arranged in the first inner cavity, and the first inner cavity does not need to be sealed and isolated from the outside, which is beneficial to the heat dissipation of the camera. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 A structural exploded diagram of a shark fin smart antenna for a vehicle-mounted camera provided by an embodiment of the present invention;

[0025] Figure 2 A cross-sectional packaging diagram of a shark fin smart antenna for a vehicle-mounted camera provided by an embodiment of the present invention using a non-waterproof camera;

[0026] Figure 3 A cross-sectional packaging diagram of a shark fin smart antenna for a vehicle-mounted camera using a waterproof camera provided by an embodiment of the present invention;

[0027] Figure 4 A schematic diagram of the installation position of a rear-mounted vehicle wireless communication technology antenna in a shark fin smart antenna for a vehicle-mounted camera provided in an embodiment of the present invention.

[0028] Description of reference numerals:

[0029] 1: base; 2: shark fin shell; 21: mounting hole; 3: PCB board; 4: external antenna; 41: first main antenna; 411: V2X-R antenna; 42: second main antenna; 43: first secondary antenna; 44: second secondary antenna; 45: first dedicated antenna; 46: second dedicated antenna; 47: third dedicated antenna; 5: camera; 51: camera signal coaxial line; 6: internal cavity; 61: first internal cavity; 62: second internal cavity; 7: sealing rib; 8: sealing partition; 9: waterproof pad. DETAILED DESCRIPTION

[0030] The shark fin smart antenna for a vehicle-mounted camera proposed by the present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. The advantages and features of the present invention will become more apparent from the following description and claims.

[0031] The meanings of the abbreviations and symbols in this specific implementation manner and in the figures are as follows:

[0032] 5G: fifth generation mobile communication technology;

[0033] GNSS: Global Navigation Satellite System;

[0034] LTE: Long Term Evolution of universal mobile communications technology;

[0035] V2X-F: front-end vehicle wireless communication technology;

[0036] V2X-R: Rear-mounted vehicle-to-vehicle wireless communication technology.

[0037] Wi-Fi: wireless Internet access;

[0038] BT: Bluetooth;

[0039] SXM: Satellite Broadcast Antenna.

[0040] See also Figures 1 to 4 As shown, the present invention provides a shark fin smart antenna for a vehicle-mounted camera, comprising a base 1, a shark fin shell 2, a PCB board 3, an external antenna 4 and a camera acquisition device.

[0041] The base 1 is fixedly arranged above the roof of the car.

[0042] The shark fin shell 2 is assembled on the upper surface of the base 1. When the smart antenna is in an assembled state, the shark fin shell 2 and the base 1 enclose an internal cavity 6. A through mounting hole 21 matching the camera acquisition device is provided on the shark fin shell 2.

[0043] The PCB board 3 is received in the internal cavity 6 , and the PCB board 3 is mounted on the upper surface of the base 1 .

[0044] The external antenna 4 is accommodated in the internal cavity 6, and the external antenna 4 is fixedly mounted on the PCB board 3. In the present embodiment, the external antenna 4 adopts an intelligent antenna combination, and the external antenna 4 includes a first main antenna 41, a second main antenna 42, a first sub-antenna 43, a second sub-antenna 44, a first dedicated antenna 45, a second dedicated antenna 46 and a third dedicated antenna 47, wherein the first main antenna 41, the second main antenna 42, the first sub-antenna 43 and the second sub-antenna are LTE antennas or 4G antennas or 5G antennas.

[0045] In this embodiment, see Figure 1 As shown, one end of the PCB board 3 close to the camera acquisition device is defined as the rear end of the PCB board 3, the first main antenna 41 is arranged at the rear end of the PCB board 3, and the first main antenna 41 is installed along the width direction, the first sub-antenna 43, the second main antenna 42 and the second sub-antenna 44 are arranged at the front end of the PCB board 3 in parallel along the length direction, and the second main antenna 42 is located between the first sub-antenna 43 and the second sub-antenna 44. Here, according to actual application needs, the first main antenna 41, the second main antenna 42, the first sub-antenna 43, and the second sub-antenna 44 can select LTE antennas or 4G antennas or 5G antennas, and the positions of the first main antenna 41, the second main antenna 42 and the first sub-antenna 43, the second sub-antenna 44 can be swapped, that is, the positions of the main and sub-antennas can be swapped;

[0046] In this embodiment, a V2X antenna is integrated on the first main antenna 41 or the second main antenna 42. The V2X antenna includes at least a V2X-R antenna 411. The V2X-R antenna 411 may be a PCB antenna, a coil antenna or a steel sheet antenna, and the frequency covers 5850 to 5935 MHz.

[0047] The first dedicated antenna 45 is arranged in the middle of the PCB board 3, and adopts a dual-feed stacking method to realize L1&L2&L5 triple-bands; the first dedicated antenna 45 can be a GNSS antenna or an SXM satellite broadcast antenna or a Wi-Fi antenna or a BT antenna. If the first dedicated antenna 45 is a GNSS antenna, the GNSS antenna is a dual-band high-precision GNSS antenna. The GNSS antenna can be made of ceramic material, high-dielectric plastic + stamping, high-dielectric plastic + printed metal paste (silver paste, copper paste, etc.), high-dielectric plastic + PCB, high-dielectric plastic + FPC, high-dielectric plastic + LDS and other solutions, which can achieve multi-band coverage, small antenna size and excellent performance;

[0048] The second dedicated antenna 46 is arranged in front of the first sub-antenna 43, the second main antenna 42 and the second sub-antenna 44 on the PCB board 3, and the third dedicated antenna 47 is arranged in front of the second dedicated antenna 46 on the PCB board 3. The second dedicated antenna 46 and the third dedicated antenna 47 are Wi-Fi antennas or V2X antennas or BT antennas or GNSS antennas or SXM satellite broadcast antennas.

[0049] The collection end of the video collection device is embedded in the mounting hole 21 of the shark fin shell 2, and the other end of the video collection device is accommodated in the internal cavity 6. In this embodiment, the video collection device adopts a camera 5. Figure 1 As shown, the lens end of the camera 5 is embedded in the mounting hole 21 of the shark fin shell 2 and is flush with the outer surface of the shark fin shell 2, and the other end of the camera 5 is accommodated in the internal cavity 6;

[0050] In this embodiment, the camera 5 can be a waterproof camera or a non-waterproof camera, and different packaging methods are used for different types of cameras. Among them, the waterproof camera is defined as a camera whose protection level meets the IP67 standard, and the non-waterproof camera is defined as a camera whose protection level does not meet the IP67 standard. The following is a detailed description of the installation methods of the two different cameras:

[0051] See also Figure 2 As shown, if the camera 5 uses a camera whose protection level does not meet the IP67 standard, that is, the camera 5 is not waterproof, a sealing rib 7 is provided on the inner cavity wall of the shark fin shell 2 along the circumferential direction of the mounting hole 21, and a sealing connection is adopted between the rear end of the lens of the camera 5 and the sealing rib 7, so as to ensure that the internal cavity 6 is sealed and isolated from the outside, and protect the various components installed in the internal cavity 6. In this embodiment, a sealing ring or a glue injection method is used to seal the rear end of the lens of the camera 5 and the sealing rib 7.

[0052] See also Figure 3As shown, if the camera 5 uses a camera with a protection level that meets the IP67 standard, that is, the camera 5 is waterproof, a sealing partition 8 is provided on the inner cavity wall of the shark fin shell 2, and the sealing partition 8 divides the internal cavity 6 into a first internal cavity 61 and a second internal cavity 62. The camera 5 is accommodated in the first internal cavity 61, and the PCB board 3 and the external antenna 4 are accommodated in the second internal cavity 62. The camera 5 also includes a camera signal coaxial line 51, and the input end of the camera signal coaxial line 51 is connected to the signal output end of the camera 5, and the output end of the camera signal coaxial line 51 passes through the sealing partition 8 and is connected to the external The antenna 4 signal is connected, and the camera signal coaxial line 51 is sealed to the sealing partition 8 to ensure that the second internal cavity 62 is sealed and isolated from the outside, thereby protecting the antenna combination contained in the second internal cavity 62. In this embodiment, the camera signal coaxial line 51 passes through the upper end of the sealing partition 8 into the second internal cavity 62, and the camera signal coaxial line 51 and the sealing partition 8 are sealed and connected by a sealing ring or by glue filling. The camera 5 is separately arranged in the first internal cavity 61, and the first internal cavity 61 does not need to be sealed and isolated from the outside, which is beneficial to the heat dissipation of the camera 5.

[0053] In this embodiment, the installation position of the V2X-R antenna 411 can be located above or below the camera 5 to avoid the camera 5. Figure 4 As shown, the installation position of the V2X-R antenna 411 is located above the camera 5, and it is connected to the main circuit board through a signal coaxial line or directly outputs the signal.

[0054] Preferably, in this embodiment, the shark fin smart antenna for a vehicle-mounted camera provided by the present invention further includes a waterproof pad 9, which is arranged on the lower surface of the base 1 and is directly installed above the roof of the car.

[0055] The present invention provides a shark fin smart antenna for a vehicle-mounted camera, comprising a base 1, a shark fin shell 2, a PCB board 3, an external antenna 4 and a camera acquisition device, wherein the shark fin shell 2 is assembled on the base 1, the shark fin shell 2 and the base 1 are enclosed to form an internal cavity 6, a through mounting hole 21 matching the camera acquisition device is provided on the shark fin shell 2, the PCB board 3 and the external antenna 4 are accommodated in the internal cavity 6, the external antenna 4 adopts a smart antenna combination and is fixedly mounted on the PCB board, the acquisition end of the camera acquisition device is embedded in the mounting hole 21 of the shark fin shell 2, and the other end of the camera acquisition device is accommodated in the internal cavity 6, and the shark fin antenna is installed on the roof of the vehicle at a relatively high position, so that the camera acquisition device has a very wide field of view and plays a function of assisting the central rearview mirror.

[0056] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Even if various changes are made to the present invention, if these changes fall within the scope of the claims of the present invention and their equivalents, they still fall within the protection scope of the present invention.

Claims

1. A shark fin smart antenna for a vehicle-mounted camera, characterized in that: It includes a base, a shark fin shell, a PCB board, an external antenna and a camera acquisition device; The base is fixedly arranged above the roof of the car; The shark fin shell is assembled on the base, the shark fin shell and the base are enclosed to form an internal cavity, and a through mounting hole matching the camera acquisition device is opened on the shark fin shell; The PCB board is accommodated in the internal cavity, and the PCB board is installed on the upper surface of the base; The external antenna is accommodated in the internal cavity, and the external antenna adopts a smart antenna combination and is fixedly mounted on the PCB board; The collection end of the video collection device is embedded in the installation hole of the shark fin shell, and the other end of the video collection device is accommodated in the internal cavity; Among them, the video acquisition device shown is a camera, and the camera adopts a waterproof camera. The definition of a waterproof camera is a camera whose protection level meets the IP67 standard; a sealing partition is provided on the inner cavity wall of the shark fin shell, and the sealing partition divides the internal cavity into a first internal cavity and a second internal cavity. The camera is accommodated in the first internal cavity, and the first internal cavity does not need to be sealed and isolated from the outside world. The PCB board and the external antenna are accommodated in the second internal cavity. The camera also includes a camera signal coaxial line, and the input end of the camera signal coaxial line is connected to the signal output end of the camera, and the output end of the camera signal coaxial line passes through the sealing partition and is connected to the external antenna signal, and the camera signal coaxial line is sealed to the sealing partition.

2. The vehicle-mounted camera shark fin smart antenna according to claim 1, characterized in that: The camera signal coaxial line is sealed and connected to the sealing partition by using a sealing ring or glue injection.

3. The vehicle-mounted camera shark fin smart antenna according to claim 1, characterized in that: The external antenna includes a first main antenna, a second main antenna, a first secondary antenna, a second secondary antenna, a first dedicated antenna, a second dedicated antenna and a third dedicated antenna.

4. The vehicle-mounted camera shark fin smart antenna according to claim 3, characterized in that: The first main antenna, the second main antenna, the first secondary antenna, and the second secondary antenna are LTE antennas or 4G antennas or 5G antennas, the first dedicated antenna is a GNSS antenna or a SXM satellite broadcast antenna or a Wi-Fi antenna or a BT antenna, and the second dedicated antenna and the third dedicated antenna are Wi-Fi antennas or V2X antennas or BT antennas or GNSS antennas or SXM satellite broadcast antennas.

5. The vehicle-mounted camera shark fin smart antenna according to claim 4, characterized in that: A V2X antenna is integrated on the first main antenna or the second main antenna.

6. The vehicle-mounted camera shark fin smart antenna according to claim 5, characterized in that: The V2X antenna at least includes a V2X-R antenna, and the V2X-R antenna is installed above or below the camera acquisition device.

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