CN209880831U

CN209880831U - Vehicle-mounted multi-output antenna

Info

Publication number: CN209880831U
Application number: CN201920726722.3U
Authority: CN
Inventors: 董卫民
Original assignee: Kunshan Xintaili Automotive Electronic Technology Co Ltd
Current assignee: Kunshan Xintaili Automotive Electronic Technology Co Ltd
Priority date: 2019-05-21
Filing date: 2019-05-21
Publication date: 2019-12-31
Anticipated expiration: 2029-05-21

Abstract

A vehicle-mounted multi-output antenna is characterized by comprising a shell assembly, a double 4G antenna module, a double GPS antenna module and an AM/FM antenna module, wherein the double 4G antenna module, the double GPS antenna module and the AM/FM antenna module are fixed in the shell assembly; the AM/FM antenna module is connected with an AM/FM connector outside the shell assembly and used for receiving AM/FM signals and transmitting the received AM/FM signals to a receiving end of the automobile through the AM/FM connector; the double 4G antenna module is connected with a double 4G connector outside the shell assembly, and the double 4G antenna module is used for receiving 4G signals and transmitting the received 4G signals to a receiving end of an automobile through the double 4G connector; the double-GPS antenna module is connected with a double-GPS connector outside the shell assembly and used for receiving GPS signals and transmitting the received GPS signals to a receiving end of the automobile through the GPS connector; the utility model discloses a five way signals can be received to three kinds of antennas, have solved the single problem of signal vehicle antenna received signal.

Description

Vehicle-mounted multi-output antenna

Technical Field

The utility model relates to an automobile antenna technical field, concretely relates to on-vehicle many output antenna.

Background

The vehicle-mounted antenna is a device which is arranged on an automobile and used for receiving satellite signals, and the vehicle-mounted antenna can effectively receive the satellite signals as long as the vehicle-mounted antenna is in an effective coverage area of the satellite signals. As long as the vehicle-mounted antenna is electrified, the vehicle-mounted antenna can automatically find the position of the satellite, keeps tracking all the time and keeps synchronous with the satellite all the time. The existing vehicle-mounted antenna has various types, and the mounting forms of different types of antennas on a vehicle body are different, but the mounted antenna needs to be ensured to be stable and firm when being mounted. How to ensure the antenna installation is firm is a problem which must be considered.

The existing vehicle-mounted antenna has strong signal receiving capability, but has some problems, such as single output form of vehicle-mounted antenna signal, and incapability of outputting multi-type signals. Such as the inability to output dual 4G and dual GPS signals simultaneously. Therefore, research and development personnel of the company are continuously working on a vehicle-mounted antenna capable of simultaneously outputting multiple types of signals.

Disclosure of Invention

An object of the utility model is to provide a vehicle-mounted multi-output antenna to solve the vehicle-mounted antenna that leads to among the prior art and can not export polytype signal simultaneously.

In order to achieve the purpose, the utility model is realized by adopting the following technical scheme:

a vehicle-mounted multi-output antenna comprises a shell assembly, and a double 4G antenna module, a double GPS antenna module and an AM/FM antenna module which are fixed in the shell assembly;

the AM/FM antenna module is connected with an AM/FM connector outside the shell assembly, and is used for receiving AM/FM signals and transmitting the received AM/FM signals to a receiving end of an automobile through the AM/FM connector;

the double 4G antenna module is connected with a double 4G connector outside the shell assembly, and the double 4G antenna module is used for receiving 4G signals and transmitting the received 4G signals to a receiving end of an automobile through the double 4G connector; wherein the 4G signals comprise FDD-LTE signals and TD-LTE signals;

the double-GPS antenna module is connected with a double-GPS connector outside the shell assembly and used for receiving GPS signals and transmitting the received GPS signals to a receiving end of an automobile through the GPS connector; wherein the GPS signal comprises a GPS/BD dual-mode signal. Outputting two paths of 4G signals through a double 4G module and a double 4G connector, outputting two paths of GPS/BD dual-mode signals through a double GPS module and a double GPS connector, and outputting one path of AM/FM signals through an AM/FM circuit board and an output AM/FM connector; five signals can be output simultaneously, and the problem that multiple signals and multiple types of signals cannot be output simultaneously in the prior art is solved; the performance of the vehicle-mounted antenna is improved.

Further, the shell assembly comprises a base and an upper shell, and the upper shell is connected with the base in a clamping manner; the base is provided with a connecting bulge, and the upper shell is provided with a groove matched with the connecting bulge. The connecting bulge arranged on the base is connected with the groove arranged on the upper shell in a clamping manner, so that the shell assembly can be conveniently mounted and dismounted. And the clamping connection can be tightly connected, so that the antenna is prevented from being damaged due to bumping in the driving process of the automobile.

The utility model has the advantages that:

1. the utility model discloses a five way signals can be received to three kinds of antennas to five way signal transmission to the car with receiving in, the single problem of signal vehicle antenna received signal has been solved. The applicability of the vehicle-mounted antenna is improved, and the vehicle-mounted antenna is ensured to have stable signal output.

2. Through the shark fin formula casing subassembly that sets up, make the antenna have simple to operate stably, the factor of safety is high is difficult for stolen, can reduce the advantage of automobile body surface static.

Drawings

Fig. 1 is a schematic diagram of an overall structure of a multiple output antenna according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of a base and an antenna of a multi-output antenna according to an embodiment of the present invention;

fig. 3 is a schematic view illustrating the connection between the antenna and the bracket of the multi-output antenna according to the embodiment of the present invention;

fig. 4 is a schematic structural diagram of each connector in the multiple output antenna according to the embodiment of the present invention;

fig. 5 is a schematic structural diagram of an upper housing of a multiple-output antenna according to an embodiment of the present invention.

Wherein: 1. a dual 4G antenna module; 2. a dual GPS antenna module; 21. a dual GPS antenna; 22. a dual GPS circuit board; 3. an AM/FM antenna module; 31. an AM/FM antenna; 32. an AM/FM circuit board; 4. a dual 4G connector; 5. a dual GPS connector; 6. an AM/FM connector; 7. a base; 8. an upper housing; 71. a connecting projection; 72. a connecting clamping groove; 91. a first conductive line; 92. a second conductive line; 93. a third conductive line; 10. and (4) a bracket.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

It should be noted that, in the description of the present invention, the terms "front", "rear", "left", "right", "upper", "lower", "inner", "outer", etc. indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, and are only for convenience of description of the present invention but do not require the present invention to be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention. As used in the description of the present invention, the terms "front," "back," "left," "right," "up," "down" and "in" refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

As shown in fig. 1 to 5, a vehicle-mounted multi-output antenna comprises a housing assembly, and a dual 4G antenna module 1, a dual GPS antenna module 2 and an AM/FM antenna module 3 fixed in the housing assembly; the double 4G antenna module 1 is used for receiving 4GFDD-LTE signals and 4GTD-LTE signals and transmitting the received signals to a receiving end of an automobile, so that the automobile can receive double 4G signals, and compared with a 4G module for receiving single 4G signals, the double 4G antenna module 1 has the advantage of comprehensive signal receiving types. The dual-GPS antenna module 2 can receive two paths of GPS/BD dual-mode signals, and the combination of the GPS and BD signals enables the automobile positioning to be more accurate. When a single GPS or BD signal has a problem, the method can quickly switch to the reception of the other type of signal, and ensures that the automobile has stable position information. The AM/FM antenna module 3 is capable of receiving AM/FM signals. The utility model discloses a three kinds of antennas combine together and can receive five way signals to in five way signal transmission to the car with receiving, solved the single problem of signal vehicle antenna received signal. The applicability of the vehicle-mounted antenna is improved, and the vehicle-mounted antenna is ensured to have stable signal output.

In the present embodiment, the AM/FM antenna module 3 includes an AM/FM antenna 31 and an AM/FM circuit board 32, the AM/FM antenna 31 is vertically soldered to the AM/FM circuit board 32, and the AM/FM circuit board 32 is fixed in the housing assembly. The AM/FM circuit board 32 is connected to the AM/FM connector 6 outside the housing assembly. The connection form may be electrical connection or signal connection, as long as it is ensured that the AM/FM signal received by the AM/FM antenna 31 can pass through the AM/FM circuit board 32 and be transmitted to the AM/FM connector 6, and further be transmitted to the vehicle receiving device.

The number of the double 4G antenna modules 1 is two, the two double 4G antenna modules are respectively welded on the left side and the right side of the AM/FM antenna 31, and the bottom ends of the double 4G antenna modules are welded with the AM/FM circuit board 32. The dual 4G connector 4 outside the housing assembly is connected to the AM/FM circuit board 32. The AM/FM circuit board 32 is connected to the dual 4G connector 4 outside the housing assembly. The two double 4G antenna modules 1 receive 4GFDD-LTE signals and 4GTD-LTE signals respectively, and transmit the received signals to the double 4G connector 4 through the AM/FM circuit board 32, and further transmit the signals to an automobile receiving device.

The dual-GPS antenna module 2 comprises a dual-GPS antenna 21 and a dual-GPS circuit board 22, the dual-GPS circuit board 22 is fixed in the shell assembly, the dual-GPS circuit board 22 is located on one side of the AM/FM circuit board 32, and the dual-GPS antenna 21 is welded on the dual-GPS circuit board 22. The dual GPS circuit board 22 is connected to the dual GPS connector 5 outside the housing assembly. The dual-GPS antenna 21 receives two paths of GPS/BD dual-mode signals and transmits the received signals to the dual-GPS connector 5 through the dual-GPS circuit board 22, and further transmits the signals to the automobile receiving device.

In the present invention, the AM/FM antenna module 1 is connected to the AM/FM connector 6 outside the housing assembly. The connection form may be an electrical connection or a signal connection, as long as it is ensured that the AM/FM signals received in the AM/FM circuit board 32 are transmitted to the AM/FM connector 6. Similarly, the connection form of the dual 4G antenna module 1 and the dual 4G connector 4 outside the housing assembly may also be an electrical connection or a signal connection. The connection form of the dual GPS antenna module 2 and the dual GPS connector 5 outside the housing assembly can also be an electrical connection or a signal connection. As long as the received signal is guaranteed to be transmitted into the vehicle.

In the embodiment, the antenna in the shell assembly and the incoming connector are connected by the selected conducting wire, and the conducting wire connection has the advantage of stable transmission line number. Specifically, as shown in fig. 3 and 4, the conductive lines include two first conductive lines 91, two second conductive lines 92, and one third conductive line 93. One end of the third wire 93 is electrically connected to the AM/FM connector 6, and the other end is connected to the AM/FM circuit board 32. One end of each of the two first wires 91 is electrically connected to the dual 4G connector 4, and the other end is connected to the AM/FM circuit board 32. Due to the special mounting process between the dual 4G antenna module 1 and the AM/FM circuit board 3, although the dual 4G connector 4 is connected to the AM/FM circuit board 32 only through the first wire 91, the dual 4G connector 4 can still receive the output signal of the dual 4G antenna module 1. One end of each of the two second wires 92 is electrically connected to the dual GPS connector 5, and the other end is electrically connected to the dual GPS circuit board 22.

In the present embodiment, the dual 4G antenna module 1 is vertically fixed on the AM/FM circuit board 2. The vertical fixing enables the dual 4G antenna module 1 and the AM/FM circuit board 32 to better receive satellite signals. Further, in the present embodiment, the AM/FM antenna bracket 10 and the bracket 10 are made of metal, and materials used for conventional antennas such as aluminum alloy may be selected. The support 10 is used for increasing the strength of the AM/FM antenna 31 for receiving signals and ensuring the stability of signal reception. Specifically, the support 10 is two rectangular plates and the middle part of being able to bend, the two plates are connected together through the middle part of being able to bend, the middle part of the support 10 is able to bend and the top end of the AM/FM antenna 31 are welded together, the two rectangular plates of the support 10 are symmetrically fixed on the two sides of the AM/FM antenna 31 respectively, and the bottom ends of the two plates are welded with the AM/FM circuit board 32.

In this embodiment, the shell assembly is shark fin shaped. The shark fin-shaped antenna has the advantages of convenience in installation, high safety coefficient, difficulty in theft and capability of reducing static electricity on the surface of a vehicle body.

In this embodiment, the housing assembly includes a base 7 and an upper housing 7, and an upper housing 8 is snap-fitted to the base 7.

Specifically, the base 7 is shaped like a boat, six connecting protrusions 71 are arranged on the base 7, two ends of the base 7 are respectively provided with one connecting protrusion 71, two sides of the base 7 are respectively provided with two connecting protrusions 71, and a groove matched with the connecting protrusions 71 is formed in the upper shell 8. When the connection is made, the upper case 8 may be engaged with the base 7. The base 7 is further provided with a connecting clamping groove 72, and similarly, the upper shell 8 is provided with a clamping block matched with the connecting clamping groove 72. The joint slot 72 and the joint protrusion 71 cooperate to ensure tight connection between the base 7 and the upper housing 8.

It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of the invention or which are equivalent to the scope of the invention are embraced by the invention.

Claims

1. A vehicle-mounted multi-output antenna is characterized by comprising a shell assembly, and a double 4G antenna module, a double GPS antenna module and an AM/FM antenna module which are fixed in the shell assembly;

the double-GPS antenna module is connected with a double-GPS connector outside the shell assembly and used for receiving GPS signals and transmitting the received GPS signals to a receiving end of an automobile through the GPS connector; wherein the GPS signal comprises a GPS/BD dual-mode signal.

2. The vehicular multi-output antenna according to claim 1, further comprising a conductive wire, wherein the AM/FM antenna is electrically connected to the AM/FM connector and the dual 4G connector through the conductive wire.

3. The vehicular multi-output antenna according to claim 1, further comprising a wire, wherein the dual GPS antenna module is electrically connected to the dual 4G connector through the wire.

4. The vehicular multi-output antenna according to claim 1, wherein the AM/FM connector, the dual GPS connector and the dual 4G connector are electrically connected to a receiving terminal of an automobile.

5. The vehicular multi-output antenna of claim 1, wherein the housing assembly is shark fin-shaped.

6. The vehicle mounted multi-output antenna of claim 1, wherein the housing assembly comprises a base and an upper housing, the upper housing and the base being snap-fit connected.

7. The vehicle-mounted multi-output antenna according to claim 6, wherein the base is provided with a connecting protrusion, and the upper housing is provided with a groove matched with the connecting protrusion.