KR20170090154A - Device for checking antenna of vehicle and method thereof - Google Patents

Abstract

The present invention relates to an apparatus and method for checking an antenna for a vehicle. The apparatus includes an audio video navigation (AVN) antenna, a GPS antenna for receiving a GPS signal for determining a current position, a communication part for performing communication with an external server, and a control part which detects the frequency and the reception level of a reception signal detected in a current region through the AVN antenna and transmits them to an external server, receives reference information for checking the antenna stored in the database of the server and compares it with the information of the reception signal detected in real time in the current region to determine the state of the antenna, and notifies a user of the state of the antenna.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a device for checking an antenna for a vehicle,

The present invention relates to an apparatus and a method for checking an antenna for a vehicle, and more particularly, to a vehicle antenna checking apparatus and a vehicle antenna checking apparatus for determining whether a problem occurs in a function of an antenna or a receiving environment when a radio receiving function of the vehicle is malfunctioning ≪ / RTI >

Generally, AVN (Audio Video Navigation) system installed in vehicle provides radio reception function.

Occasionally, however, issues such as poor radio reception performance may occur during driving. However, it is difficult for the user to determine whether the failure is due to poor performance of the antenna itself, poor connection between the antenna and the AVN system, failure of the AVN system itself, or simply a temporary failure due to the radio reception environment.

Of course, in the AVN system, although the reception level (db) of the radio wave currently received from the antenna is displayed on the screen of the AVN system, only the reception level, It is difficult to judge whether or not the problem of the antenna function (for example, the failure of the antenna itself, the failure of tightening the antenna, etc.).

That is, unless the inside of the vehicle is inspected to check whether the antenna is fastened or disconnected, it is difficult for the user to judge whether the problem is on the actual reception environment (for example, weak electric field area) There is a problem.

BACKGROUND ART [0002] The background art of the present invention is disclosed in Korean Patent Registration No. 10-0316691 (Registered on November 23, 2001, an apparatus and method for checking base station antennas using a switch).

According to an aspect of the present invention, there is provided a radio communication system, which is created to solve the above-described problems, And an object thereof is to provide a vehicle antenna checking apparatus and method.

An apparatus for inspecting an antenna for a vehicle according to one aspect of the present invention includes: an AVN (Audio Video Navigation) antenna; A GPS antenna for receiving a GPS signal for determining a current position; A communication unit for communicating with an external server; And receiving the reference information for checking an antenna stored in the database of the server and detecting the frequency and the reception level of the reception signal detected in the current area through the AVN antenna, And a controller for determining the state of the antenna through comparison of the information of the received signal detected by the antenna and notifying the user of the state of the antenna.

In the present invention, the reference information may include at least one of a frequency list and a reception level information of a signal serving as a reference for each region calculated by receiving the frequency and the reception level of each local signal from the at least one vehicle from the external server, .

The present invention further includes a storage unit for storing information of a received signal, wherein the storage unit stores frequency and reception level information received in real time in the current area through the AVN antenna, And receiving and storing frequency and reception level information that can be received in the current area.

The communication unit may communicate with an external server or a portable terminal of a user in a wired or wireless manner at a long distance or a short distance and may communicate with the external server directly, And indirectly communicates with the external server through the portable terminal of the user.

In the present invention, the control unit compares frequency and reception level information that can be received in the current area received as the reference information from the external server with the frequency and reception level information received in real time in the current area through the AVN antenna When it is determined that there is a difference between the reference information in the current area and the information actually received in the current area according to the comparison result by a predetermined ratio or more, .

In the present invention, when the reference information for the antenna reception check in the current area is not stored in the external database, the control unit moves to a position where the antenna reception check information is stored in the database, And informs the user to perform the check.

According to another aspect of the present invention, there is provided a method of checking an antenna for a vehicle, the method comprising: detecting a current position of the antenna through a GPS antenna; Detecting the frequency and the reception level of a reception signal detected in the current area through the AVN antenna and transmitting the detected frequency and reception level to an external server; Receiving, by the control unit, reference information for an antenna check stored in a database of the server; And comparing the received signal information detected in real time with the reference information received from the server to determine the state of the antenna and notifying the user of the state of the antenna.

In the present invention, the reference information may include at least one of a frequency list and a reception level information of a signal serving as a reference for each region calculated by receiving the frequency and the reception level of each local signal from the at least one vehicle from the external server, .

In the present invention, after detecting a frequency and a reception level of a reception signal detected in a current area through the AVN antenna, the controller transmits frequency and reception level information received in real time in the current area through the AVN antenna to a storage unit And receiving from the external server frequency and reception level information that can be received in the current area, and storing the received frequency and reception level information in the storage unit.

In the present invention, in order to receive reference information for antenna checking stored in the database of the server, the control unit communicates with an external server or a user's portable terminal through a communication unit in a wired or wireless manner And directly communicates with the external server or indirectly communicates with the external server through the portable terminal of the user.

In the present invention, in the step of comparing the information of the reception signal detected in real time in the current area with the reference information received from the server, the control unit controls the reception of the reception signal in the current area received as the reference information from the external server And compares the frequency information and the reception level information with the frequency and reception level information received in real time in the current area through the AVN antenna and compares the reference information in the current area with the information actually received in the current area It is determined that there is a defect in the function of the antenna itself or the antenna fastening state when the difference is more than the set ratio.

In the present invention, when the reference information for the antenna reception check in the current area is not stored in the external database, the controller moves to the position where the antenna reception check information is stored in the database, And guiding the user to perform the check.

According to an aspect of the present invention, it is possible to determine whether a problem occurs in a reception environment or a problem in a function of an antenna when a radio reception function of a vehicle occurs, thereby preventing unnecessary checking .

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a view showing a schematic configuration of a vehicle antenna checking apparatus according to an embodiment of the present invention; FIG.
FIG. 2 is a flowchart illustrating a process of storing frequency and reception level information detected in a vehicle by region in a vehicle in a database in an external server in FIG. 1; FIG.
FIG. 3 is an exemplary diagram showing a frequency list and reception level information of a reference signal stored in a database of an external server in the form of a table in FIG. 1; FIG.
4 is a flowchart illustrating a method of checking an antenna for a vehicle according to an embodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an embodiment of a vehicle antenna checking apparatus and method according to the present invention will be described with reference to the accompanying drawings.

In this process, the thicknesses of the lines and the sizes of the components shown in the drawings may be exaggerated for clarity and convenience of explanation. In addition, the terms described below are defined in consideration of the functions of the present invention, which may vary depending on the intention or custom of the user, the operator. Therefore, definitions of these terms should be made based on the contents throughout this specification.

FIG. 1 is an exemplary diagram showing a schematic configuration of a vehicle antenna checking apparatus according to an embodiment of the present invention.

1, the vehicle antenna checking apparatus according to the present embodiment includes an ANV antenna 110, a GPS antenna 120, a control unit 130, a storage unit 140, a communication unit 150, (160).

The AVN antenna 110 is connected to an AVN (Audio Video Navigation) system (not shown) to receive a radio (or DMB) signal.

The GPS antenna 120 receives a GPS signal to determine the current position of the vehicle.

The GPS antenna 120 may be connected to an AVN system (not shown).

The controller 130 periodically or non-periodically performs frequency scanning through the AVN antenna 110 to detect the frequency and the reception level of a radio (or DMB, etc.) signal received in a corresponding area, (Not shown) in a database (DB) (not shown) (see FIG. 2).

The external server (not shown) receives the frequency and the reception level of each local radio (or DMB, etc.) signal from at least one vehicle, averages them, Etc.) frequency list and reception level information) in the internal database DB (not shown) (see FIG. 3).

The external server (not shown) periodically or non-periodically transmits reference information stored in the database (DB) (that is, a frequency list and reception level information of a radio (or DMB, etc.) It periodically sends to the specified vehicle.

The detected frequency and reception level may be transmitted to an external server (not shown) through the communication unit 150. On the contrary, it is possible to receive frequency and reception level information (a kind of reference information) receivable in the area from the external server (not shown) through the communication unit 150.

Of course, the frequency and the reception level of the radio (or DMB, etc.) signal detected in the area by performing a frequency scan through the AVN antenna 110 are also stored in the internal storage unit 140, The frequency and reception level information (a kind of reference information) that can be received from the external server (not shown) in the corresponding region can also be stored in the internal storage unit 140 via the network.

That is, the storage unit 140 stores the frequency and reception level information received from the current area through the AVN antenna 110, and also stores the received frequency and reception level information from a database (not shown) of the external server And receives and stores the receivable frequency and reception level information.

The communication unit 150 performs communication (transmission and reception) with an external server (not shown).

The communication unit 150 can communicate with an external server (not shown) or a user's portable terminal (e.g., a smart phone, a smart pad, etc.) in a wired or wireless manner at a long distance or near location.

That is, the communication unit 150 may directly communicate with the external server (not shown) or indirectly communicate with the external server (not shown) through the portable terminal of the user (e.g., smart phone, Communication.

The control unit 130 transmits frequency and reception level information (i.e., reference information) that can be received in the current area received from the external server (not shown) through the AVN antenna 110 to a frequency Compare with level information.

According to the comparison result, the reference information (the frequency and the reception level information that can be received in the current area) and the information actually received in the current area (the frequency and the reception level information received in the current area) : 30%), the controller 130 judges that there is a defect in the function of the antenna itself or the antenna fastening state.

Accordingly, the controller 130 outputs guide information indicating whether the antenna is connected or not, through the information output unit 160, thereby guiding the user to check the antenna state.

FIG. 2 is a flowchart illustrating a process of storing frequency and reception level information detected in a vehicle by region in a vehicle, in a database in an external server, in FIG.

As shown in FIG. 2, the controller 130 performs a periodic aperiodic scan (S101).

Here, the term " periodic " means performing a scan at a designated time, and the term " aperiodic " means performing a scan according to a command or an operation of a user, or performing a scan when a current position of the vehicle is changed.

As described above, the signal reception state at the current position (i.e., the frequency and the reception level information of the signal received in the current area) is detected through the scan (S102).

Then, the signal reception state at the detected current position (that is, the frequency and reception level information of the signal received in the current area) is transmitted to an external server (not shown) and is stored in the internal database DB of the server S103).

Accordingly, the external server (not shown) receives the frequency and reception level of a radio (or DMB, etc.) signal for each region from at least one vehicle, averages the received signals and, as shown in FIG. 3, Information (that is, a frequency list and reception level information of a radio (or DMB, etc.) signal as a reference for each region) in an internal database DB (not shown).

4 is a flowchart illustrating a method of checking an antenna for a vehicle according to an embodiment of the present invention.

4, when the user recognizes the reception failure of the radio (or DMB, etc.) signal (S201), the controller 130 performs the antenna reception check according to the user's operation or command (S202) .

The controller 130 communicates with an external server (not shown) to check whether or not information (i.e., reference information) for checking antenna reception in the current area is stored in a database (not shown) of the external server S203).

If the information (i.e., reference information) for checking the antenna reception in the current area is not stored in the database (not shown in S203) according to the result of the check (S203), the control unit (S204) To the location where the information for the DB is moved to the DB, and informs the user to perform the antenna reception check (S204).

If the information (i.e., reference information) for checking the antenna reception in the current area is stored in the database (not shown) (S203), the control unit S204 determines whether the external (I.e., reference information) in the current area received from the database (not shown) of the server (not shown) and information (here, frequency information) received in real time in the current area through the AVN antenna 110 And reception level information), and determines the reception possibility of the antenna through the comparison (S205).

If it is determined in step S205 that the reception probability of the antenna is low (NO in step S205), the controller 130 notifies the user of the necessity of the antenna check in the service center (step S206).

On the other hand, if it is determined in step S205 that the possibility of reception of the antenna is not low (YES in step S205), the user is informed that there is no abnormality in the function of the antenna (S207).

That is, the function of the antenna is not abnormal, which means that it is a temporary problem according to the reception environment (for example, weak electric field area).

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, I will understand the point. Accordingly, the technical scope of the present invention should be defined by the following claims.

110: AVN antenna
120: GPS antenna
130:
140:
150:
160: Information output section

Claims (12)

An AVN (Audio Video Navigation) antenna;
A GPS antenna for receiving a GPS signal for determining a current position;
A communication unit for communicating with an external server; And
Detects a frequency and a reception level of a reception signal detected in a current area through the AVN antenna, transmits the detected frequency and reception level to an external server, receives reference information for antenna checking stored in a database of the server, And a control unit for determining the state of the antenna through comparison of information of the detected received signal and notifying the user of the state of the antenna.
2. The method of claim 1,
Wherein the external server is a frequency list and a reception level information of a signal that is a reference for each region obtained by receiving a frequency and a reception level of each region signal from at least one vehicle and averaging the frequencies and reception levels of the signals.
The method according to claim 1,
And a storage unit for storing information of a received signal,
Wherein the storage unit stores frequency and reception level information received in real time in the current area through the AVN antenna and receives and stores frequency and reception level information receivable in the current area from the external server. Antenna checking device.
The method according to claim 1,
And a communication unit for performing communication with the external server,
The communication unit can communicate with an external server or a portable terminal of a user in a wired or wireless manner at a long distance or a short distance,
Wherein the controller communicates directly with the external server or indirectly communicates with the external server through the portable terminal of the user.
The apparatus of claim 1,
Comparing frequency and reception level information that can be received in the current area received as reference information from the external server with frequency and reception level information received in real time in the current area through the AVN antenna,
And determines that there is a defect in the function of the antenna itself or the antenna fastening state when the reference information in the current area and the information actually received in the current area are different by more than a predetermined ratio according to the comparison result, Antenna checking device.
The apparatus of claim 1,
When the reference information for the antenna reception check in the current area is not stored in the external database,
Wherein the information for the antenna reception check is moved to a position stored in the database, and the user is guided to perform the antenna reception check.
Detecting a current position of the control unit through the GPS antenna;
Detecting the frequency and the reception level of a reception signal detected in the current area through the AVN antenna and transmitting the detected frequency and reception level to an external server;
Receiving, by the control unit, reference information for an antenna check stored in a database of the server; And
And checking the state of the antenna by comparing the received signal information detected in real time with the reference information received from the server and notifying the user of the state of the antenna .
8. The method of claim 7,
Wherein the external server is a frequency list and reception level information of a signal as a reference for each region calculated by receiving a frequency and a reception level of each local signal from at least one or more vehicles and averaging them.
The method of claim 7, further comprising: detecting a frequency and a reception level of a reception signal detected in a current area through the AVN antenna,
The control unit stores the frequency and reception level information received in real time in the current area through the AVN antenna in the storage unit,
Receiving the frequency and reception level information that can be received from the external server in the current area, and storing the received frequency and reception level information in the storage unit.
8. The method of claim 7, further comprising: receiving, in order to receive reference information for antenna checking stored in a database of the server,
The control unit communicates with an external server or a user's portable terminal through a communication unit in a wired or wireless manner at a long distance or short distance to directly communicate with the external server or indirectly communicate with the external server through the portable terminal of the user And the communication is performed.
8. The method of claim 7, wherein in the step of comparing information of a received signal detected in real time in the current area with reference information received from the server,
Wherein,
And receiving frequency and reception level information received in the current area received as reference information from the external server with frequency and reception level information received in real time in the current area through the AVN antenna, Wherein if the difference between the reference information in the current area and the information received in the current area is greater than a predetermined ratio, it is determined that there is a defect in the function of the antenna itself or the antenna fastening state.
8. The method of claim 7, wherein if the reference information for antenna reception checking in the current area is not stored in the external database,
Further comprising the step of informing a user that an antenna reception check is performed by moving the information for checking an antenna reception to a location stored in a database.

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