KR20090009458U - Digital multimedia broadcasting antenna for a vehicle - Google Patents

Abstract

The present invention relates to a vehicle DMV antenna, and more particularly, can be attached to the outside of the vehicle to increase the binding force and adhesion between each component, the vehicle and the DMB antenna, the rubber pad is attached to the outside without harming the appearance, It is to provide a vehicle DMV antenna that can be attached between the lower housing and the substrate to strengthen the binding force between the components.

The technical configuration of the vehicle DMB antenna mounted on a vehicle for receiving satellite signals, comprising: a substrate mounted on an upper surface of the antenna unit for receiving the satellite signal; Rubber pads provided on the lower surface to prevent slipping and fixing of the substrate; A housing for constraining the substrate and the rubber pad to an inner surface thereof; Characterized in that it comprises a.

DMB Antenna, Shark Type, Fixed, Fastening, External, Mounting, Automotive, Bonding

Description

DMB antenna for vehicles {DIGITAL MULTIMEDIA BROADCASTING ANTENNA FOR A VEHICLE}

The present invention relates to a vehicle DMV antenna, and more particularly, to a vehicle DMB antenna, which is mounted with a magnetic force or bolt from the outside of the vehicle, and is configured to increase the binding force of its internal components with a rubber pad.

In general, DMB (DIGITAL MULTIMEDIA BROADCASTING) is a new broadcasting service combining mobile communication and broadcasting, and can watch various multimedia broadcastings in a mobile phone, a PDA, and a navigation.

The above-described DMB is a mobile multimedia broadcasting service of a new concept combining broadcasting and communication, and is classified into terrestrial DMB and satellite DMB according to a transmission scheme and a network configuration.

The navigation provided in the vehicle uses terrestrial and satellite DMB, which is called a next-generation broadcast service because it is possible to provide sound quality and data services at the CD level and to watch multi-channel multimedia broadcasting while moving through the vehicle receiver.

In order to watch multi-channel multimedia broadcasting, an antenna capable of receiving data compressed in a predetermined frequency band is required. In particular, an antenna used in a vehicle has a high moving speed, so that radio waves radiated in a space can be efficiently received. Should be provided.

To this end, the antenna should be at an angle toward the air, and the antenna is resonated using a coil or a capacitor resonant in frequency for efficient operation of the DMB antenna applied to the vehicle.

Shark-type DMB antennas are commercially available on the market that form compact antennas without degrading the reception efficiency of the above-described DMB antennas and have a streamlined appearance within a range that does not harm the exterior of the vehicle.

The shark-type DMB antenna can be attached to the vehicle body by magnetic force, and has a DMB antenna inside the attached shark-type housing.

However, since the shark type DMB antenna attaches itself to the vehicle body by itself, it is possible to form a scratch that peels off the painting of the vehicle. When the rubber pad is attached to the bottom to prevent this, the rubber pad covers the painted portion of the antenna. , May damage the appearance, and the magnet is located in the center of gravity, there is a problem that the antenna housing itself can be moved based on the center of gravity.

The present invention has been made to solve the above problems, an object of the present invention is to provide a vehicle DMB antenna that can be attached to the outside of the vehicle to increase the binding force and adhesion between the components, the vehicle and the DMB antenna.

Another object of the present invention is to provide a vehicle DMB antenna that can be attached between the lower housing and the substrate without the rubber pad is attached to the outside to damage the appearance, it is possible to strengthen the binding force between the components.

It is another object of the present invention to provide a vehicle DMB antenna having magnet parts at both sides and forming a coupling hole at the center thereof to force the vehicle body and the bolt and nut to be bound by the vehicle in order to increase the binding force between the vehicle and the DMB antenna. The purpose.

According to an aspect of the present invention, there is provided a vehicle DMV antenna mounted on a vehicle and receiving a satellite signal, comprising: a substrate mounted on an upper surface of the antenna unit for receiving the satellite signal; Rubber pads provided on the lower surface to prevent slipping and fixing of the substrate; A housing for constraining the substrate and the rubber pad to an inner surface thereof; It includes.

Preferably, the substrate comprises a first and second magnet portion for attaching and fixed to the vehicle body; Characterized in that it comprises a.

Preferably, the substrate is fastened to be attached to and fixed to the vehicle body, the bolt through the vehicle body is constrained therein, the fastening portion for guiding and fixing the bolt; Characterized in that it comprises a.

Preferably, the housing comprises: an upper housing formed in a shape corresponding to a predetermined angle at which the antenna unit is positioned so as to surround components on the upper surface of the substrate and the antenna unit; A lower housing coupled to the upper housing and having through holes and protrusions coupled to the substrate and the rubber pad; Characterized in that it comprises a.

As described above, the present invention having the configuration as described above may be mounted on a vehicle to increase the binding force and adhesion between each component, the vehicle, and the DMB antenna, and a rubber pad may be attached to the outside to harm the appearance, By attaching between the housing and the substrate, it is possible to secure the binding force between the respective components, and the like.

The present invention includes a rubber pad between the substrate and the lower housing, and forms protrusions and through holes to fix each component, and further includes a magnet so that the DMB antenna can not be moved in addition to the center of gravity, thereby further increasing the binding force. By fastening the bolt through the vehicle body through the lower housing, it is made to install the vehicle DMB antenna by a coupling means further provided in addition to the magnet.

Hereinafter, with reference to the accompanying drawings illustrating an embodiment according to the present invention will be described in detail.

1 is an exploded perspective view schematically showing a vehicle DMV antenna according to the present invention. As shown in the figure, the vehicle DMB antenna 1 is mounted to the outside of the vehicle to receive satellite signals, and is provided to send them to the navigation of the vehicle.

The above-described vehicle DMB antenna 1 is provided for inputting a satellite signal to the navigation provided in the vehicle, and uses a conductor laid in the air to induce electromotive force by radio waves transmitted for wireless communication. Include.

The vehicle DMB antenna 1 included in the present invention is formed in a coil shape for efficient operation, and is formed to resonate at a frequency using the antenna and to reduce its length.

The receiving antenna should select an antenna with sufficient sensitivity, that is, a large number of waveguides or elements that may interfere with reception, depending on the radio wave strength formed in the space. It should be fixed firmly against the elements such as increase.

To this end, the vehicle DMB antenna 1 includes an antenna unit 30 for receiving satellite signals, a substrate 50 for fixing the antenna unit 30, and a slide for preventing and fixing the substrate 50. It includes a rubber pad 70, an upper housing 10 and a lower housing 90 including therein the components 30, 50, 70 therein.

The vehicle DMV antenna 1 described above should be provided to be fixed to the outside of the vehicle to be fixed even if the moving speed of the vehicle is increased.

Then, the coupling force and the fastening force between the components are increased so that the components 30, 50, and 70 are fixed to the vehicle, and the coupling force and the fastening force between the vehicle and the vehicle DMB antenna 1 according to the present invention should be increased. For this purpose, organic bonding between them is required.

Therefore, the vehicle DMV antenna 1 of the present invention is formed in a structure for increasing the coupling force and the fastening force between the components, the coupling force and the fastening force of the vehicle and the vehicle DMV antenna 1, which will be described in the following drawings.

2 is a perspective view and a plan view schematically showing a substrate and an antenna unit of a vehicle DMV antenna according to the present invention. As shown in the figure, the antenna unit 30 is preferably mounted on the substrate 50 so that the antenna coil 33 faces the upper surface.

Looking at (a), it can be seen that the substrate 50 and the antenna unit 30 are coupled.

Here, the PCB 31 has a circuit formed to receive satellite signals, the antenna coil 33 is welded to the predetermined node of the circuit with lead, the PCB 31 is connected to the substrate 50 A screw-shaped hole is formed to be fixed, and is not moved by using a right screw or a left screw on the upper or lower surface of the substrate 50.

In addition, the substrate 50 has various protrusions and through holes for coupling and fastening with each component, among which coupling holes 51a, 51b, 51c, 51d, and 51e are coupled to the lower housing 90. )

The first coupling hole 51a of the coupling holes 51a, 51b, 51c, 51d, and 51e is formed to be close to the PCB 31, and constrains the protruding portion of the lower housing 90 therein. Increase the bonding force with the lower housing (90).

In addition, the second coupling hole and the third coupling hole 51b and 51c may have grooves formed at both sides of the central portion of the substrate 50, and the protrusions of the lower housing 90 may be formed therein. Restraint is formed to increase the coupling force with the lower housing (90).

In addition, the fourth coupling hole and the fifth coupling hole 51d and 51e may be formed on the opposite side to the first coupling hole 51a, and the constraining portion of the lower housing 90 may be restrained therein. It is formed to increase the bonding force with the lower housing (90).

In addition, the fixing holes 57a, 57b, 57c, and 57d are formed along the inner surface of the coupling holes 51a, 51b, 51c, 51d, and 51e, and the protrusions of the rubber pad 70 are formed therein. Constrained to form a high binding force with the rubber pad (70).

Referring to (b), the first magnet portion 53a and the second magnet portion 53b are formed so that the vehicle DMB antenna 1 according to the present invention can be fixed to the vehicle body, which is the By fixing both sides, it is to increase the binding force with the vehicle body.

In addition, a fastening portion 55 is formed between the first magnet portion 53a and the second magnet portion 53b, which is a through hole 55a and a fastening guide for fixing the bolt and nut through the vehicle body. 55b is formed.

Here, the fastening guide 55b of the fastening part 55 has a screw thread formed therein, and may have a certain depth to increase the insertion depth of the bolt and nut, and thus may be coupled and drilled through the vehicle body. It is made to further increase the binding force.

In addition, the substrate 50 is preferably formed of a metal material such that the first magnet portion 53a and the second magnet portion 53b are fixed to the substrate 50, and the first magnet portion 53a is provided. And since the second magnet portion 53b can be mounted even without a fixed structure, the number of coupling processes can be reduced.

Figure 3 is a perspective view schematically showing the coupling of the substrate and the rubber pad of the vehicle DMV antenna according to the present invention. As shown in the figure, the substrate 50 on which the antenna unit 30 is mounted on the upper surface thereof is combined with the rubber pad 70.

Here, the rubber pad 70 is provided between the substrate 50 and the lower housing 90 formed of the protrusions and the coupling holes to increase the bonding force between the substrate 50 and the lower housing 90, and between the metal materials It is possible to prevent slipping.

The rubber pad 70 has coupling holes 71a, 71b, 71c, 71d, and 71e for coupling with the lower housing 90, and the coupling holes 71a, 71b, 71c, 71d, and 71e are formed in the rubber housing. Like the coupling holes 51a, 51b, 51c, 51d, and 51e, the protrusion of the lower housing 90 is restrained therein to increase the coupling force with the lower housing 90.

The fixing protrusions 77a, 77b, 77c, and 77d are formed on the inner circumferential surfaces of the coupling holes 71a, 71b, 71c, 71d, and 71e, respectively, and are formed to increase the bonding force with the substrate 50. The fixing protrusions 77a, 77b, 77c, and 77d are restrained inside the fixing holes 57a, 57b, 57c, and 57d.

In addition, in order to fix the first magnet part 53a and the second magnet part 53b, a first magnet fixing hole 73a is formed in the inner surfaces of the fixing protrusions 77a and 77b, and the fixing protrusion ( Second magnet fixing holes 73b are formed in the outer surfaces of the 77c and 77d.

In addition, a guide fixing hole 75 through which the fastening guide 55b can be restrained is formed at a position corresponding to the fastening guide 55b.

Figure 4 is a perspective view schematically showing the coupling of the rubber pad and the lower housing of the vehicle DMV antenna according to the present invention. As shown in the figure, the lower housing 90 is coupled to the upper housing 10 with the substrate 50 and the rubber pad 70 therein.

Here, the rubber pad 70 is provided to protrude along the outer peripheral surface of the vehicle DMB antenna 1 along its outer circumferential surface in order to increase the adhesion with the vehicle body, so as not to damage the painting and appearance of the vehicle.

To this end, the lower housing 90 is formed in the coupling holes 51a, 51b, 51c, 51d, 51e of the substrate 50 and the coupling holes 71a, 71b, 71c, 71d, 71e of the rubber pad 50. It has the projections 91a, 91b, 91c, 91d, 91e which are restrained.

By forming the protrusions 91a, 91b, 91c, 91d, and 91e, each component can be fixed so as not to move along its outer circumferential surface, and the seating grooves 93a and 93b are formed in the first magnet portion 53a and The second magnet portion 53b is formed as a groove having a predetermined thickness so as to be seated therein, and formed to correspond to the shape thereof.

Figure 5 is a perspective view schematically showing the coupling of the upper housing of the vehicle DMV antenna according to the present invention. As shown in the figure, in a state in which the substrate 50, the rubber pad 70, and the lower housing 90 are coupled, the upper housing 10 is coupled at its upper surface to form the components 30, 50, 70. ) Inside it.

In addition, when looking at the inner surface of the upper housing 10, the fastening holes (11a, 11b, 11c, 11d) to fix the screw inserted through the inner thread of the protrusions (91a, 91b, 91c, 91d, 91e). , 11e).

Here, the fastening holes 11a, 11b, 11c, 11d, and 11e are coupling holes 51a, 51b, 51c, 51d, 51e of the substrate 50 and coupling holes 71a, 71b, 71c, of the rubber pad 70, respectively. The ends of the screws passing through 71d, 71e) are restrained therein to assist the fastening with each component.

In addition, the rubber pad 70 protrudes to the outside even after all the components are coupled, so that even if the vehicle DMB antenna 1 is mounted on the vehicle body, paint scratches due to metal collision do not occur, and the sealing rubber pad ( Since the outer circumferential surface of 70) protrudes to the outside, the adhesion may be increased.

Figure 6 is a perspective view schematically showing the coupling of the vehicle DMV antenna and the external fastening portion according to the present invention. As shown in the figure, the completed vehicle DMB antenna 1 may be attached to the vehicle body by the first magnet portion 53a and the second magnet portion 53b, but is fixed by using a nut and bolt through the vehicle body. It is made to be possible.

To this end, an external fastening part 20 is provided, which includes a fastening hole 95 of the lower housing 90, a guide fixing hole 75 of the rubber pad 70, and a through hole 55a of the substrate 50. Accordingly, the bolt 21 is inserted.

At this time, the guide 55b of the fastening part 55 has a screw protrusion corresponding to the shape of the bolt 21 and is formed to restrain the bolt 21 therein, and fixes the bolt 21. In order to achieve this, the washer 23, the auxiliary ring 25, and the nut 27 are coupled to the bolt 21 in the vehicle body.

Accordingly, the binding force of the vehicle DMB antenna 1 can be increased and forced restraint can be achieved rather than only being coupled to the vehicle by magnets.

<Example>

The model name T-2000 Shark Antenna may have the following antenna.

1.Korean Terrestrial DMB (T-DMB): HELICAL ELEMENT

2. Satellite DMB (S-DMB): Ceramic Patch

3. Satellite GPS: Ceramic Patch.

4. 800 MHz / 1.8 GHz PCS Phone (CDMA): PIFA (Plate Inverted-F Antenna)

5. 88-108MHz FM RADIO (FM radio): HELICAL ELEMENT

Depending on the needs of the user, 1-3 antennas of the 1 to 5 antennas can be mounted, and the T-DMB is resonated with a helical element to interpolate in a small housing.

The antenna according to the present invention may be formed of any one or more of 1 to 5 antennas, 1-3 may be selectively mounted at the request of the purchaser.

The antenna according to the invention can be mounted in the following manner.

1. Magnet attachment method (can be installed without damage to the vehicle)

2. Ceiling attachment method (installed through hole in the body)

3. Mix 1 and 2 times

Here, the magnet attachment method uses a plastic housing plated on the lower surface so as not to scratch the vehicle, and the antenna ground (GND) is formed only when the magnet is directly attached to the vehicle, thereby raising the chrome plating on the lower housing.

In addition, the ceiling attachment method is a method of making a through hole in a car roof, and is for customers who prefer a more aggressive attachment than a magnet attachment method.

It consists of a set of bolt-washers-nuts, so it is easy to design structurally, and can prevent large hand-damage of the vehicle by using a small through hole in the vehicle, and the sealing rubber ring (O-ring) for waterproofing the vehicle Equipped.

Finally, the combination of No.1 and No.2 is designed to fit the antenna shell rubber to the vehicle's external angle as much as possible, and when it is installed and attached, it is waterproofed primarily by magnetic force, and when supplementary waterproofing is desired Allow to finish with silicone.

In addition, in order to improve the magnetic force weakened by using a magnet cover and the grounding force of the antenna, by attaching the PCB and the magnet to the substrate made of iron plate to increase the magnetic force, and to improve the antenna grounding force.

In the above described exemplary embodiments of the present invention by way of example, the scope of the present invention is not limited only to this specific embodiment and those skilled in the art within the scope described in the claims of the present invention Changes may be made as appropriate.

1 is an exploded perspective view schematically showing a vehicle DMV antenna according to the present invention.

Figure 2 is a perspective view and a plan view schematically showing a substrate and the antenna unit of the vehicle DMV antenna according to the present invention.

Figure 3 is a perspective view schematically showing the coupling of the substrate and the rubber pad of the vehicle DMV antenna according to the present invention.

Figure 4 is a perspective view schematically showing the coupling of the rubber pad and the lower housing of the vehicle DMV antenna according to the present invention.

Figure 5 is a perspective view schematically showing the coupling of the upper housing of the vehicle DMV antenna according to the present invention.

Figure 6 is a perspective view schematically showing the coupling of the vehicle DMV antenna and the external fastening portion according to the present invention.

<Brief description of reference numerals for the main parts of the drawings>

1: vehicle DMV antenna

10: upper housing 20: external fastening portion

30: antenna portion 50: substrate

70: rubber pad 90: lower housing

Claims (5)

In a vehicle DMV antenna mounted on a vehicle and receiving a DMB signal, A substrate mounted on an upper surface of the antenna unit for receiving the satellite signal; Rubber pads provided on the lower surface to prevent slipping and fixing of the substrate; A housing for constraining the substrate and the rubber pad to an inner surface thereof; Vehicle DMV antenna comprising a. The method according to claim 1, The substrate may include first and second magnet parts attached to and fixed to the vehicle body; Vehicle DMG antenna comprising a. The method according to claim 2, The substrate is fastened to the vehicle body, the bolt penetrating the vehicle body is constrained therein, the fastening portion for guiding and fixing the bolt; Vehicle DMG antenna comprising a. The method according to claim 3, The housing is An upper housing formed in a shape corresponding to a predetermined angle at which the antenna unit is positioned so as to surround components on the upper surface of the substrate and the antenna unit; A lower housing coupled to the upper housing and having a through hole and a protrusion formed to be coupled to the substrate and the rubber pad, and being a ground (GND) of the antenna; Vehicle DMG antenna comprising a. The method according to claim 4, And the upper housing, the substrate, the rubber pad, and the upper housing are formed with through holes, protrusions, and grooves to be coupled to and fixed to each other.

Images