CN207719400U - Vehicle-mounted shark fin automobile antenna - Google Patents

Abstract

The utility model discloses a vehicle-mounted shark fin car antenna, including a base, a mainboard fixedly mounted on the base, two LET antennas and an AM/FM antenna fixedly mounted on the mainboard, and both the LET antenna and the AM/FM antenna are PCB board antennas, an upper cover is also provided on the base, a cavity for accommodating the LET antenna and the AM/FM antenna is provided on the inner side of the upper cover, and a connector harness connected to the mainboard is also provided below the base. By using PCB board structure antennas for both the LET antenna and the AM/FM antenna, and plugging them into the mainboard, the two antennas are integrated into the interior of the shark fin antenna, which reduces wind resistance, increases aesthetics, has strong stability, and is more convenient for production and assembly.

Description

A car shark fin car antenna

technical field

The utility model relates to a vehicle-mounted shark fin automobile antenna, which belongs to the technical field of automobile antennas.

Background technique

Traditional automotive antennas have glass fiber wound, wire helical, and externally mounted rod antennas, but these antenna structures have their own drawbacks. For example, the glass fiber winding installation process is complicated, and the signal will be unstable with the bumps of the car; the disadvantage of the rod antenna installed outside is that the installation is not in place, and as time goes by, the aging of the rubber is prone to water leakage, It is also inconvenient to install the car cover; the disadvantage of using wires to make a spiral is not conducive to production and poor stability.

Utility model content

The technical problem to be solved by the utility model is to provide a vehicle-mounted shark fin car antenna. By using the antenna of the PCB board structure as the LET antenna and the AM/FM antenna, and inserting it on the main board, the two antennas are integrated into the The interior of the shark fin antenna reduces wind resistance, increases aesthetics, is very stable, and is easier to produce and assemble.

In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is:

A kind of vehicle-mounted shark fin automotive antenna, comprising a base, a main board is fixedly installed on the base, two LET antennas and an AM/FM antenna are fixedly installed on the main board, and the LET antenna and the AM/FM antenna are both PCB board antenna, the base is also provided with an upper cover, the inner side of the upper cover is provided with a cavity for accommodating the LET antenna and the AM/FM antenna, and the bottom of the base is also provided with a cavity communicating with the main board. connector harness.

The aforesaid vehicle-mounted shark fin car antenna is characterized in that: the surface of the main board is provided with three groups of jacks, and the bottom of the PCB board of the LET antenna and the AM/FM antenna is provided with a group that can be inserted into the jacks correspondingly The pins are fixed on the motherboard by soldering.

The aforementioned vehicle-mounted shark fin car antenna is characterized in that: the base is also provided with a raised portion corresponding to the edge shape of the main board for fixing the main board, and the raised portion is provided with multiple a fixing hole, and the main board is fixedly connected with the base through screws screwed into the fixing holes.

The aforementioned vehicle-mounted shark fin car antenna is characterized in that: a positioning post is provided at both ends of the raised portion, and positioning holes corresponding to the positions of the positioning posts are provided at both ends of the main board.

The aforementioned vehicle-mounted shark fin automotive antenna is characterized in that: a plurality of reinforcing ribs are arranged between the outer surface of the cavity and the inner surface of the upper cover, and a plurality of threaded holes are arranged on the reinforcing ribs, and the The base is fixedly connected with the upper cover through bolts screwed into the threaded holes.

The aforementioned vehicle-mounted shark-fin automotive antenna is characterized in that a sealing ring is provided on the periphery of the raised portion.

The aforementioned vehicle-mounted shark fin automotive antenna is characterized in that: the AM/FM antenna is horizontally fixed on the main board, and the two LET antennas are vertically fixed on the main boards on both sides of the AM/FM antenna.

The aforementioned vehicle-mounted shark fin car antenna is characterized in that: the lower surface of the base is provided with installation shrapnel.

The beneficial effect of the utility model is: by adopting the antenna of the PCB board structure for both the LET antenna and the AM/FM antenna, and inserting it on the main board, the two antennas are integrated into the inside of the shark fin antenna, reducing the wind resistance, Increased aesthetics, strong stability, and easier production and assembly.

Description of drawings

Fig. 1 is the split schematic diagram of a kind of vehicle-mounted shark fin automobile antenna of the present utility model;

Fig. 2 is the structural representation of the base of a kind of vehicle-mounted shark fin automobile antenna of the utility model;

Fig. 3 is the structural representation of the upper cover of a kind of vehicle-mounted shark fin automotive antenna of the utility model;

Fig. 4 is a structural diagram of a vehicle-mounted shark fin automotive antenna of the present invention when the main board and the antenna are fixed on the base.

Detailed ways

The utility model will be further described below in conjunction with the accompanying drawings of the description.

As shown in Figures 1-4, a vehicle-mounted shark fin car antenna includes a base 1, a main board 2 is fixedly installed on the base 1, and two LET antennas 3 and an AM/FM are fixedly installed on the main board 2 An antenna 4, and the LET antenna 3 and the AM/FM antenna 4 are PCB antennas, the base 1 is also provided with an upper cover 5, and the inner side of the upper cover 5 is provided with the LET antenna 3 and the The cavity 51 of the AM/FM antenna 4 is further provided with a connector harness 8 communicating with the main board 2 under the base 1 . Among them, the LET antenna 3 and an AM/FM antenna 4 have been used for wiring on the PCB board. By debugging the wiring line spacing on the PCB, the total length of the line, and the width of the line to achieve the realization of the receiving performance, and then fixed on the main board, By using both the LET antenna and the AM/FM antenna as an antenna with a PCB structure, and plugging them into the main board, the two antennas are integrated into the inside of the shark fin antenna, which reduces wind resistance, increases aesthetics, and is very stable. Stronger and easier to produce and assemble. And the AM/FM antenna 4 is horizontally fixed on the main board 2, and the two LET antennas 3 are longitudinally fixed on the main board 2 on both sides of the AM/FM antenna 4, so that the layout of the whole antenna is more compact and has It is beneficial to reduce the size of the antenna.

In this implementation, the surface of the main board 2 is provided with three sets of jacks, and the bottom of the PCB board of the LET antenna 3 and the AM/FM antenna 4 is provided with a set of pins that can be inserted into the jacks correspondingly, and are fixed by welding On the main board 2, the connection between the antenna and the main board is simple and convenient.

The base 1 is also provided with a raised portion 11 for fixing the main board 2 corresponding to the shape of the edge of the main board 2, the raised portion 11 is provided with a plurality of fixing holes 13, the main board 2 It is fixedly connected with the base 1 by screws 20 screwed into the fixing holes 13 . By lifting the main board to a certain height and then fixing it, it is avoided that the main board is in direct contact with water due to water ingress in the bottom plate during use, and a sealing ring 9 is arranged on the periphery of the raised portion 11 to further play a waterproof effect.

The two ends of described raised part 11 are respectively provided with a positioning post 12, and the two ends of described main board 2 are provided with the positioning hole corresponding to the position of described positioning post 12, in the fixing process of main board 2, at first utilize The positioning holes at both ends of the main board are set on the positioning column to complete preliminary fixing, and then the screw 20 is used to lock it on the bottom plate for easy fixing.

A plurality of reinforcing ribs 52 are arranged between the outer surface of the cavity 51 and the inner surface of the upper cover, and the reinforcing ribs 52 are provided with a plurality of threaded holes 53, and the base 1 is screwed into the threaded holes 53 The bolts 10 are fixedly connected with the upper cover 5 . The strength of the entire antenna shell is guaranteed. The lower surface of the base 1 is provided with an installation shrapnel 7, which is convenient for fixing the antenna to the roof.

To sum up, the vehicle-mounted shark fin car antenna provided by the utility model integrates the two antennas into a The interior of the shark fin antenna reduces wind resistance, increases aesthetics, is very stable, and is easier to produce and assemble.

The basic principles, main features and advantages of the present utility model have been shown and described above. Those skilled in the industry should understand that the utility model is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions only illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model The new model also has various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model. The protection scope of the utility model is defined by the appended claims and their equivalents.

Claims (8)

1. a kind of vehicle-mounted shark fins car antenna, it is characterised in that：Including pedestal（1）, the pedestal（1）On be installed with master Plate（2）, the mainboard（2）There are two LET antennas for upper fixed installation（3）With an AM/FM antenna（4）, and the LET antennas （3）With AM/FM antennas（4）It is pcb board antenna, the pedestal（1）On be additionally provided with upper cover（5）, the upper cover（5）Inside It is provided with for accommodating the LET antennas（3）With AM/FM antennas（4）Cavity（51）, the pedestal（1）Lower section also set up Have and the mainboard（2）The connector harness of connection（8）.

2. a kind of vehicle-mounted shark fins car antenna according to claim 1, it is characterised in that：The mainboard（2）Surface It is provided with three groups of jacks, the LET antennas（3）With AM/FM antennas（4）Pcb board bottom be both provided with one group and can correspond to insertion Pin in the jack, and it is fixed by welding in the mainboard（2）On.

3. a kind of vehicle-mounted shark fins car antenna according to claim 1, it is characterised in that：The pedestal（1）On also set It is equipped with for fixing the mainboard（2）, with the mainboard（2）The corresponding lug boss of edge shape（11）, the lug boss （11）On be provided with multiple mounting holes（13）, the mainboard（2）By being screwed into the mounting hole（13）In screw（20）With institute State pedestal（1）It is fixedly connected.

4. a kind of vehicle-mounted shark fins car antenna according to claim 3, it is characterised in that：The lug boss（11）Two Hold positioning column there are one being respectively set（12）, the mainboard（2）Be provided at both ends with and the positioning column（12）Position is corresponding Location hole.

5. a kind of vehicle-mounted shark fins car antenna according to claim 1, it is characterised in that：The cavity（51）Outer surface Multiple reinforcing ribs are provided between the upper interior surface（52）, the reinforcing rib（52）On be provided with multiple threaded holes （53）, the pedestal（1）By being screwed into the threaded hole（53）In bolt（10）With the upper cover（5）It is fixedly connected.

6. a kind of vehicle-mounted shark fins car antenna according to claim 3, it is characterised in that：The lug boss（11）It is outer It encloses and is provided with sealing ring（9）.

7. a kind of vehicle-mounted shark fins car antenna according to claim 1, it is characterised in that：The AM/FM antennas（4）It is horizontal To being fixed on the mainboard（2）On, described two LET antennas（3）It is vertically fixed in the AM/FM antennas（4）The mainboard of both sides （2）On.

8. a kind of vehicle-mounted shark fins car antenna according to claim 1, it is characterised in that：The pedestal（1）Following table Face is provided with mounting elastic sheet（7）.