KR20080047203A - Audio-visual system for vehicle - Google Patents

Abstract

An audio-visual system for a vehicle is provided to maximize the utilization of an audio-visual module by separately mounting the audio-visual module from a mounting part of a housing. An audio-visual system for a vehicle comprises a mounting part(11), and an audio-visual module(20). The mounting part has a first connector(13) installed inside the vehicle and electrically connected to a wire harness of the vehicle. The audio-video module mounted on the mounting part includes a second connector(21) selectively connected to the first connector to be inserted from the mounting part. A guide member guides the insertion and withdrawal of the audio-visual module, and is eccentrically positioned at one side from the center of the thickness direction in the audio-visual module. The guide member consists of a guide groove(31) placed at the audio-visual module, and a guide rail(32). The guide rail is installed inside the mounting part to be corresponded to the guide groove.

Description

Automotive AV System {AUDIO-VISUAL SYSTEM FOR VEHICLE}

1 is an exploded perspective view schematically showing a vehicle AV system according to an embodiment of the present invention;

FIG. 2 is an exploded perspective view of the main part of the vehicle AV system shown in FIG. 1 as viewed from another side;

3 is a cross-sectional view taken along line III-III of FIG. 2;

4 is a cross-sectional view taken along the line IV-IV of FIG. 1;

5 is a perspective view schematically showing a state in which the AV module shown in FIG. 1 is used separately from a vehicle.

<Description of the code for the main configuration of the drawings>

10; A housing 11; Receptacle

12; A printed circuit board 13; 1st connector

14; Third connector 20; AV module

21; Second connector 30; Guide member

31; Guide groove 32; Guide rail

40; Wire harness 50; Fixed unit

51; Fixing hole 52; Lock unit

53; Fixing projection 60; Submodule

61; Power supply unit 62; speaker

63; 4th connector

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicular avive system, and more particularly to a vehicular avive system that can be easily detached from a vehicle.

A typical automotive AV system basically has a tuner function, which has continued to add equalizers and cassette tapes. Since then, with the development of mass storage technology, the ability to play music CDs (Compact Disc) has been added, and the ability to play MP3 files stored on CDs has been added. In addition, the development of a vehicle AV system that can play not only audio but also video, that is, video, shows a remarkable development that can play DVD (Digital Versatile (Video) Disc) music and video in the vehicle. Recently, the company has introduced a telematics function that combines a navigation function and a mobile communication technology as well as a rapid audio / video function. As such, in-vehicle AV systems are evolving not just for audio and video viewing, but also for complex products that implement a variety of functions.

However, the vehicle AV system having such various and excellent performances is difficult to be separated from the vehicle, and thus it is not available in places other than the vehicle.

In addition, if the vehicle AV is abnormal in the system, only the product can not be separated and brought to the service center should always be moved with the vehicle.

In addition, there is a disadvantage that it is vulnerable to theft because it must be stored in the vehicle at all times.

The present invention has been made in view of the above-described point, and an object of the present invention is to provide a vehicle AV system that can be easily separated from a vehicle.

Another object of the present invention is to provide a vehicle AV system that can be utilized in places other than the vehicle.

According to an aspect of the present invention, there is provided a vehicle AV system according to the present invention, including: a receiving part provided in a vehicle and having a first connector electrically connected to a wire harness of the vehicle; And an AV module which is installed to be inserted into and withdrawn from the accommodation portion, and has a second connector selectively connected to the first connector as the insertion and withdrawal portion is inserted from the accommodation portion.

According to an embodiment of the present invention, the AV guide includes a guide member for guiding insertion and withdrawal of the module, wherein the guide member is formed at a position biased toward one side from the thickness direction center of the module. The guide member may include a guide groove provided in the AV module; And a guide rail provided inside the accommodating part in a shape corresponding to the guide groove so as to be inserted into the guide groove so as to slide.

On the other hand, the first connector is provided on a printed circuit board installed in the receiving portion, the printed circuit board is provided with a third connector electrically connected to the wire harness.

The vehicle AV system includes a fixing unit for fixing the AV module in a state in which the AV module is inserted into the housing, the fixing unit comprising: a fixing hole provided in the housing; And a locking unit installed at the module and having a fixing protrusion selectively inserted into the fixing hole.

In addition, the vehicle AV system may include an accessory module for operating the AV module in a state in which the AV module is separated from the accommodating part, wherein the accessory module is a power supply unit for supplying power to the AV module. ; At least one speaker for outputting the sound reproduced by the module; And a fourth connector selectively connected to the second connector such that the power supply unit, the speaker, and the AV module are electrically connected to each other.

Here, the power supply unit may be a switching mode power supply for converting the power supply to the AV module.

On the other hand, the above object is fixed to the inside of the vehicle, the housing provided with a receiving portion having a first connector electrically connected to the wire harness of the vehicle; An AV module, which is installed to be inserted into and withdrawn from the housing, and has a second connector selectively connected to the first connector as it is inserted and withdrawn from the housing; A guide member for guiding insertion and withdrawal of the AV module; And a fixing unit for fixing the module to the AV module while the AV module is inserted into the receiving unit.

Hereinafter, a vehicle AV system according to an embodiment of the present invention will be described.

1 to 5, a vehicle AV system according to an embodiment of the present invention includes a housing 10, an AV module 20, guide members 31 and 32, a fixing unit 50, and an accessory module 60. ).

The housing 10 is for accommodating the module 20, and is fixed by the bracket 15 inside the dashboard of the vehicle. In the housing 10, a receiving part 11 for selectively inserting the AV module 20 is provided to have a size corresponding to the size of the AV module 20. A printed circuit board 12 is provided at a rear end of the accommodating part 11, and one surface of the printed circuit board 12 is electrically connected to the AV module 20 while the AV module 20 is inserted. A first connector 13 to be connected is provided. The first connector 13 is selectively connected to the second connector 21 provided at the rear end of the module 20 as the AV module 20 is inserted into and withdrawn from the receiving portion 11.

On the other hand, a third connector 14 for connecting the printed circuit board 12 and the wire harness 40 of the vehicle to the other surface of the printed circuit board 12 opposite to one surface on which the first connector 13 is formed. ) Is provided. The third connector 14 is exposed to the outside of the housing 10 and connected to a wire connector 41 provided at one end of the wire harness 40. The wire harness 40 transmits a vehicle power, voice signal, vehicle key ON / OFF signal (ACC), vehicle dimmer signal or transmission signal of the rear camera to the AV module 20. The signal transmitted through the wire harness 40 is input to the module 20 through the first to third connectors 13, 21, and 14.

The AV module 20 is manufactured in 1-DIN (Deutsche Industrie Normen) size or 2-DIN size, the front surface of which is provided with a control panel 26 exposed to the interior of the vehicle, such a control panel ( 26, the vehicle occupant enters various commands into the AV system. In addition, the AV module is typically provided with a plurality of decks for inserting and extracting an optical recording medium such as a compact disc (CD) or a digital versatile (video) disc (DVD) or a magnetic tape. The optical recording medium or the magnetic An optical pickup device and a magnetic tape player for reproducing the tape are incorporated. In recent years, a display 27 such as an LCD (Liquid Crystal Display) panel capable of outputting a moving image or a navigation map may be embedded in the module 20. The display 16 may be installed to be inserted and withdrawn from the inside of the module 20 due to the limitation of the storage space in the vehicle.

The AV module 20 is provided with a first connector 13 that is selectively connected to the second connector 21, the first connector 13 is the AV module 20 to the receiving portion (11) In the inserted state, the first connector 13 and the second connector 21 are disposed at positions corresponding to the second connector 21 of the module 20 so that the first connector 13 and the second connector 21 may be electrically connected to each other. The second connector 21 is mounted on a printed circuit board (not shown) in which a main controller or the like is mounted in the AV module 20. In addition, the rear surface of the AV module 20 has a cooling fan 22 for cooling the interior of the AV module 20 and a first vent 23 for discharging airflow generated from the cooling fan 22 to the outside. Is formed. The first vent 23 is formed at a position corresponding to the second vent 16 formed at the rear end of the housing 10 so that the air flow formed by the cooling fan 22 is discharged into the dashboard of the vehicle.

In addition, the rear of the AV module 20 is provided with an antenna jack 24 to which the antenna cable 25 is connected to electrically connect the AV module 20 to the antenna, so as to correspond to the antenna jack 24. An antenna passage hole 17 through which the antenna cable 25 passes is also formed on the rear surface of the housing 10.

The AV module 20 should be inserted into the receiving portion 11 to be used in a vehicle or easily separated from the vehicle. Thus, a guide member 31, 32 is required for guiding insertion and withdrawal of the ave into the receiving portion 11 of the module 20.

The guide members 31 and 32 are for installing the AV module 20 to be easily inserted into and taken out of the housing 10, that is, the accommodating part 11. Both inner walls of the housing 10 are provided. Guide rails 32 protruding from the guide rails, and the guide grooves 31 formed on both sides of the module 20 in a shape corresponding to the guide rails 32. The guide rail 32 and the guide groove 31 are formed in the front-rear direction of the vehicle in which the AV is inserted and drawn out of the module 20. The guide rail 32 and the guide groove 31 are formed from the thickness center line CA of the AV module 20 in order to prevent the AV module 20 from being installed upside down inside the housing 10. It is installed to be biased upward or downward. By the guide members 31 and 32, the AV module 20 is inserted into and drawn out of the housing 10, that is, the receiving part 11 while sliding.

In the present exemplary embodiment, the guide rail 32 is provided inside the housing 10 and the guide groove 31 is provided in the module 20. However, the guide groove 31 is formed in the housing 10. A guide rail 32 may be formed in the module 20. In addition, the guide rail and the guide groove may be simultaneously formed in the housing 10, and the guide groove and the guide rail may be simultaneously formed in the module so as to correspond to the guide rail and the guide groove formed in the housing 10. In addition, in addition to the guide rail 32 or the guide groove 31, the guide members 31 and 32 may have various structures in which the AV module 20 may be detachably coupled to the accommodation part 11.

The fixing unit 50 is for fixing the AV module 20 in a state of being inserted into the accommodating part 11, and includes a fixing hole 51 formed in the housing 10 and the AV module 20. It includes a locking unit 52 formed in). The locking unit 52 is selectively inserted into the fixing hole 51 by the rotation of the key hole 55 formed to insert the key 54 and the key 54 inserted into the key hole 55. It includes a fixing protrusion (53). The function and structure of such a lock unit 52 is already widely used in the field of locks, detailed description thereof will be omitted. By the fixing unit 50, the AV module 20 is not only fixed to the housing 10 but also locked in a state where the module 20 is inserted into the receiving portion 11 of the housing 10. That is, the fixing unit 50 performs not only the fixing function of the AV module 20 but also the locking function.

The accessory module 60 is for using the AV module 20 in a state in which the AV module 20 is drawn out from the housing 10 and separated from the power supply unit 61 and at least one speaker 62. ) And a fourth connector 63.

The power supply unit 61 converts the phase power AC of 110 to 220V into direct current in the AV module 20, and converts the converted DC power into a set value of the AV module 20. The power supply unit 61 may be a switching mode power supply (SMPS) or the like.

The speaker 62 is for outputting the sound reproduced from the module 20 and may be provided in plural such as four channels.

The fourth connector 63 is for electrically connecting the accessory module 60 and the AV module 20, and is detachably connected to the second connector 21 of the AV module 20.

The accessory module 60 may have a separate signal generating module for setting a key ON / OFF signal or taillight signal, etc., which determines whether the AV module mounted in the vehicle is operated. have.

Hereinafter, a method of using the vehicle AV system having the configuration as described above will be described. First, in order to insert the module 20 into the accommodating part 11 of the vehicle, the AV device inserts the guide groove 31 of the module 20 into the guide rail 32 of the accommodating part 11, and then the av e module ( 20) to move it backwards. Then, the AV is inserted into the receiving portion 11 while the module 20 slides backward. When the AV module 20 is inserted into the accommodating part 11, the second connector 21 is moved in the C direction (see FIG. 3) to be coupled to the first connector 13 and fixed to the housing 10. The cable 25 is connected to the antenna jack 24.

When the AV module 20 is inserted into the receiving portion 11, the key 54 is inserted into the key hole 55 and then rotated in the A direction (see FIG. 1). Then, the fixing protrusion 53 is moved in the E direction (see Fig. 4) is inserted into the fixing hole 51 as indicated by the dotted line. As a result, the AV module 20 is locked while being accommodated in the receiving portion 11 of the housing 10.

By the above-described process, the AV module 20 can be mounted and used in a vehicle. However, the AV module 20 not only has various functions but also has excellent performance, so that the AV module 20 may be used not only in the vehicle but also in the vehicle. Hereinafter, the process of drawing out the AV module 20 from the housing 10 will be described.

First, after the key 54 is inserted into the keyhole 55, and the key 54 is rotated in the B direction (see Fig. 1), the fixing projection 53 is moved in the F direction (see Fig. 4) to fix it. It is withdrawn from the hole 51. When the AV pulls the module 20 in the D direction (see FIG. 3), the second connector 21 is separated from the first connector 13, and the antenna jack 24 is separated from the antenna cable 25. Thereafter, the AV continues to move the module 20 in the D direction to completely separate it from the housing 10.

When the AV module 20 is completely separated from the housing 10, the AV module 20 is moved to a place to be used to move the fourth connector 63 of the accessory module 60 as shown in FIG. 5 to the first AV module 20. Used by connecting to the connector (13). When the power cord of the accessory module 50 is connected to the phase power, the power supply unit 61 converts the phase power, which is AC, to DC, and adjusts the size of the power according to the set value of the AV module 20. To the module 20. Then, the sound reproduced by the module 20 is output to the speaker 62, and the image is output to the display 27.

According to the present invention as described above, the AV module can be easily detached from the receiving portion of the housing, the AV module can be used in places other than the vehicle can maximize the utilization of the AV module.

It can also be stored separately from the vehicle, reducing the risk of theft. Even if the AVE module is mounted in the vehicle, the lock unit is locked to the dashboard of the vehicle to further reduce the risk of theft.

In addition, in the event that the AV module malfunctions, only the AV module can be removed from the vehicle and brought to a service center, thereby making it easy to repair and replace the AV module.

In addition, the AV module can be easily connected to an external electronic device such as a computer, so that updating of a driving program or the like is easy.

In the above described exemplary embodiments of the present invention by way of example, the scope of the present invention is not limited to the specific embodiments as described above, the scope of the invention by those skilled in the art to the claims It can be changed as appropriate within the scope described.

Claims (14)

A receiving unit installed inside the vehicle and having a first connector electrically connected to the wire harness of the vehicle; And And an AV module installed in the receiving part to be inserted into and withdrawn from the receiving part and provided with a second connector selectively connected to the first connector as inserted and withdrawn from the receiving part. The method of claim 1, And said guide comprises a guide member for guiding insertion and withdrawal of said module. The method of claim 2, And the guide member is formed at a position in which the ave is biased toward one side from the center in the thickness direction of the module. The method of claim 2 or 3, wherein the guide member, A guide groove provided in the module; And And a guide rail provided inside the receiving portion in a shape corresponding to the guide groove so as to slide in the guide groove. The method of claim 1, The first connector is provided on a printed circuit board installed in the receiving portion, And a third connector electrically connected to the wire harness on the printed circuit board. The method of claim 1, And a fixing unit for fixing the module to the module while the module is inserted into the housing. The method of claim 6, wherein the fixing unit, A fixing hole provided in the receiving portion; And the lock is installed in the module and includes a locking unit having a fixing protrusion selectively inserted into the fixing hole. The method of claim 1, And an accessory module for operating the AV module in a state in which the AV module is separated from the receiving part. The method of claim 8, wherein the accessory module, A power supply unit for supplying power to the AV module; At least one speaker for outputting the sound reproduced by the module; And And a fourth connector selectively connected to the second connector such that the power supply unit and the speaker and the AV module are electrically connected to each other. The method of claim 9, And the power supply unit is a switching mode power supply for converting and supplying power to the module. A housing fixed to the inside of the vehicle and having a receiving portion having a first connector electrically connected to the wire harness of the vehicle; An AV module, which is installed to be inserted into and withdrawn from the housing, and has a second connector selectively connected to the first connector as it is inserted and withdrawn from the housing; A guide member for guiding insertion and withdrawal of the AV module; And And a fixing unit configured to fix the module while the module is inserted in the housing. The method of claim 11, And an accessory module for operating the AV module in a state in which the AV module is separated from the receiving part. A housing fixed to the inside of the vehicle and having a receiving portion having a first connector electrically connected to the wire harness of the vehicle; An AV module, which is installed to be inserted into and withdrawn from the housing, and has a second connector selectively connected to the first connector as it is inserted and withdrawn from the housing; A fixing unit for fixing the AV module when the AV module is inserted into the receiving part; And And an accessory module for operating the AV module in a state in which the AV module is separated from the receiving part. A housing fixed to the inside of the vehicle and having a receiving part having a first connector electrically connected to the wire harness of the vehicle, the guide rails being formed on both sides of the inside, and the fixing holes penetrating through one side of the housing; Guide grooves corresponding to the guide rails are formed on both sides of the receiving part so as to be slidably inserted into and drawn out from the accommodating part. ; A locking unit having the ave installed in the module and having a fixing protrusion selectively inserted into the fixing hole in a state in which the ave module is inserted into the receiving portion; And And an accessory module for operating the AV module in a state in which the AV module is separated from the receiving part.

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