KR20230137651A - Shark antenna with double waterproof function using gasket - Google Patents

Abstract

Provided is a shark antenna for providing a double waterproofing function for an internal watertight zone of a shark antenna using a gasket. According to an embodiment of the present invention, the shark antenna comprises: a telematics control unit (TCU) module installed at a lower part of a roof of a vehicle; an internal case formed in a three-dimensional shape with an accommodation space for accommodating an electronic component therein, and assembled on an upper part of the TCU module; an external case assembled to cover an upper portion of the internal case exposed to an upper part of a ceiling when the internal case is exposed to the upper part of the ceiling by having the TCU module coupled to a fixed bracket; a lower gasket coupled to a lower outer edge of the internal case assembled on the upper part of the TCU module to improve the water-tightness of a gap generated when the TCU module and a lower part of the ceiling are coupled; and an upper gasket coupled to a lower outer edge of the external case to improve the water-tightness of a gap generated when the external case and the upper part of the ceiling are coupled. Accordingly, water is doubly prevented from infiltrating to the inside in an internal watertight zone of the shark antenna, and an anti-condensation function and a heat dissipation function through ventilation are provided for the internal watertight zone, thereby preventing an internal component of the shark antenna from corrosion due to moisture.

Description

Shark antenna with double waterproof function using gasket

The present invention relates to a shark antenna for a vehicle, and more specifically, to a shark antenna that provides a double waterproof function to the watertight area inside the shark antenna using a gasket.

The shark antenna is a shark fin-shaped vehicle antenna that is installed and used on the vehicle roof.

When such a shark antenna is installed on the vehicle ceiling, an inner case assembled on the top of the TCU (Telematics Control Unit) and an outer case assembled to cover the top of the inner case may be provided. There is a lack of consideration for watertightness of the internal watertight zone provided.

Therefore, there is a need to find a way to improve watertightness in the internal watertight area of the shark antenna.

Korean Patent Publication No. 10-2021-0121783 (Title of invention: Breathable cap for vehicles)

The present invention was made to solve the above problems, and the purpose of the present invention is to provide a shark antenna for a vehicle that can prevent water from entering the inside watertight area of the shark antenna.

In addition, another object of the present invention is to provide a shark antenna for a vehicle that can provide a condensation prevention function and a heat dissipation function through ventilation in the internal watertight area of the shark antenna.

According to an embodiment of the present invention for achieving the above object, a shark antenna includes a TCU (Telematics Control Unit) module installed on the lower part of the ceiling (roof) of a vehicle; An inner case formed in a three-dimensional shape with a receiving space for accommodating electronic components therein, and assembled on the upper part of the TCU module; When the TCU module is coupled to the fixing bracket and the inner case is exposed to the upper part of the ceiling, an outer case assembled to cover the upper part of the inner case exposed to the upper part of the ceiling; A lower gasket coupled to the lower outer edge of the inner case assembled on top of the TCU module to improve watertightness of the gap created when the TCU module and the lower ceiling are combined; and an upper gasket coupled to the lower outer edge of the outer case to improve watertightness of the gap created when the outer case and the upper part of the ceiling are joined.

In addition, when the lower gasket coupled to the inner case is exposed by penetrating upward from the lower part of the ceiling, an inlet groove may be formed in the upper gasket to allow the exposed lower gasket and the inner case to be drawn inward.

In addition, the upper gasket may further include a primary waterproofing portion formed on the outside of the inlet groove to prevent water from entering a gap that occurs when the gasket is coupled to the upper part of the ceiling.

In addition, the primary waterproofing portion is formed to protrude downward from a plurality of points on the outer bottom of the upper gasket to prevent water from entering the gap that occurs when combined with the upper part of the ceiling, and is formed at the upper surface of the upper ceiling and a plurality of points. It can adhere closely.

In addition, the lower gasket includes a lower gasket body that penetrates upward from the lower part of the ceiling and is inserted into the inlet groove; and a secondary waterproofing portion formed on the outside of the lower gasket body to prevent water from entering a gap created when the TCU module and the lower ceiling are coupled.

In addition, the secondary waterproofing portion is formed to protrude upward from a plurality of points on the outer upper surface of the lower gasket to prevent water from entering the gap that occurs when combined with the lower ceiling, and is formed at a plurality of points on the lower surface of the lower ceiling. It can adhere closely.

In addition, according to an embodiment of the present invention, the shark antenna further includes a fixing bracket installed on the lower part of the ceiling (roof) of the vehicle, and the TCU module includes a TCU cover provided on the upper side; And a TCU case coupled to the TCU cover to accommodate the internal circuit of the TCU module, wherein the TCU cover includes: a first protrusion formed on one side; and a second protrusion formed on the other side and provided with a through hole formed toward the top, wherein the fixing bracket is formed at the front end and has a first insertion groove for fitting the first protrusion into the inside. a first fixing bracket; and a second fixing bracket formed at the rear end to secure the TCU module.

And the second fixing bracket has a left and right length larger than the first fixing bracket, and is fastened with a separately provided fixing bolt from the top to the bottom, so that the first protrusion is fitted into the inside of the first insertion groove, and then fixed. As the through hole of the second protrusion is penetrated by the bolt, the TCU module can be fixed.

In addition, the inner case includes a pair of side fastening portions provided on both side walls and extending along the height direction; and a rear fastening portion provided at the rear end and extending along the height direction, wherein the outer case includes a pair of side surfaces provided on both inner side walls and each being fastened to the side fastening portions of both side walls when assembled with the inner case. fastening hook; and a rear fastening hook provided at the inner rear end and fastened to the rear fastening portion when assembled with the inner case.

The TCU case includes third protrusions provided on both side walls and protruding upward; and a fourth protrusion provided at the front and rear ends and protruding upward, wherein the TCU cover includes: a first step that engages the third protrusion to prevent it from being separated when combined with the TCU case; And when combined with the TCU case, the fourth protrusion is fastened to the second step to prevent it from being separated.

As described above, according to the embodiments of the present invention, the intrusion of water from the watertight area inside the shark antenna is double prevented, and the shark antenna is provided with a condensation prevention function and a heat dissipation function through ventilation in the internal watertight area. It can protect internal parts from corrosion caused by moisture.

1 is an exploded perspective view of a shark antenna according to an embodiment of the present invention;
Figure 2 is a cross-sectional view of a shark antenna according to an embodiment of the present invention;
3 is a view provided to explain a lower gasket and an upper gasket according to an embodiment of the present invention;
4 is a view provided for explaining a fixing bracket according to an embodiment of the present invention;
5 to 6 are diagrams illustrating the assembly of the TCU module and the inner case according to an embodiment of the present invention being coupled to the fixing bracket;
7 to 8 are diagrams illustrating the lower gasket being assembled in the assembly of the TCU module and the inner case according to an embodiment of the present invention;
Figure 9 is a diagram illustrating the lower part of the TCU module according to an embodiment of the present invention;
10 to 11 are views provided to explain the assembly of the outer case, PCE, and upper gasket according to an embodiment of the present invention;
Figure 12 is a view illustrating the assembly of the outer case, PCE, and upper gasket to the assembly of the TCU module and inner case according to an embodiment of the present invention, and
13 to 14 are diagrams provided to explain PCE according to an embodiment of the present invention.

Hereinafter, the present invention will be described in more detail with reference to the drawings.

Figure 1 is an exploded perspective view of a shark antenna according to an embodiment of the present invention, and Figure 2 is a cross-sectional view of a shark antenna according to an embodiment of the present invention.

The shark antenna according to this embodiment is provided to double prevent water from entering the watertight area (A) inside the shark antenna, and to provide a condensation prevention function and a heat dissipation function through ventilation.

For this purpose, this shark antenna includes a fixing bracket (100), a TCU module (200), an inner case (300), an outer case (400), a PCE (500), a lower gasket (600), and an upper gasket (700). can do.

The fixing bracket 100 may be installed on the lower ceiling 10b of the vehicle and used to secure the assembly of the TCU module 200 and the inner case 300 to the ceiling 10 of the vehicle. At this time, the fixing bracket 100 may be welded and fixed to the lower ceiling 10b of the vehicle.

The TCU module 200 may contain electronic components for performing the function of an antenna, and may be coupled to the fixing bracket 100 to be fixed to the ceiling 10 of the vehicle.

The inner case 300 is formed in a three-dimensional shape with a receiving space for accommodating electronic components therein, and can be assembled on the upper part of the TCU module 200.

The outer case 400 is an inner case 300 exposed to the upper part of the ceiling 10 when the TCU module 200 is coupled to the fixing bracket 100 and the inner case 300 is exposed to the upper part of the ceiling 10. ) can be assembled to cover the top of the.

The PCE (500) is coupled to one side of the outer case (400) and provides a condensation prevention function and a heat dissipation function through ventilation in the internal watertight zone (A) provided between the inner case (300) and the outer case (400). It is prepared to do so.

To this end, the PCE 500 is coupled to one side of the outer case 400, plays the role of a breathable cap (air vent), and has an internal watertight zone provided between the inner case 300 and the outer case 400 ( A) air flow is allowed, but the inflow of internal moisture from the outside can be blocked.

The lower gasket 600 is coupled to the lower outer edge of the inner case 300 assembled on the upper part of the TCU module 200, so that the gap created when the TCU module 200 and the lower ceiling 10b are combined is watertight. It can be improved.

The upper gasket 700 can be coupled to the lower outer edge of the outer case 400 to improve the watertightness of the gap created when the outer case 400 and the upper part of the ceiling 10 are coupled.

FIG. 3 is a diagram provided to explain the lower gasket 600 and the upper gasket 700 according to an embodiment of the present invention.

The lower gasket 600 is generated when the lower gasket body 610, which penetrates upward from the lower ceiling 10b and enters the entry groove 720 of the upper gasket, and the TCU module 200 and the lower ceiling 10b are combined. It may include a secondary waterproofing portion 620 that prevents water from entering the gap.

The secondary waterproofing portion 620 is formed on the outside of the lower gasket body 610 and can prevent water from entering a gap created when the TCU module 200 and the lower ceiling 10b are coupled.

Specifically, the secondary waterproofing portion 620 is formed to protrude upwardly at a plurality of points on the outer upper surface of the lower gasket, and is in close contact with the lower surface of the ceiling lower 10b at a plurality of points, thereby forming the lower ceiling 10b. ) can prevent water from entering the gap that occurs when combined with.

The upper gasket 700 is exposed when the lower gasket 600 coupled to the upper gasket body 710 and the inner case 300 penetrates upward from the lower ceiling 10b and is exposed. In order to allow the inner case 300 to be drawn inside, the lead-in groove 720 is formed on one side of the upper gasket body 710 and the primary gasket is used to prevent water from entering the gap that occurs when the upper part of the ceiling 10 is connected. It may include a waterproofing unit 730.

The primary waterproofing portion 730 is formed on the outside of the inlet groove 720, and can prevent water from entering a gap that occurs when the top of the ceiling 10 is coupled.

Specifically, the primary waterproofing portion 730 is formed to protrude downward at a plurality of points on the outer lower surface of the upper gasket 700, and is in close contact with the upper surface of the ceiling 10 at a plurality of points, thereby forming a ceiling ( 10) It can prevent water from entering the gap that occurs when combining with the upper part.

Figure 4 is a diagram provided to explain the fixing bracket 100 according to an embodiment of the present invention, and Figures 5 and 6 are diagrams showing the TCU module 200 and the inner case 300 according to an embodiment of the present invention. This diagram illustrates the assembly being coupled to the fixing bracket 100. In addition, FIGS. 7 to 8 are diagrams illustrating the lower gasket 600 being assembled to the assembly of the TCU module 200 and the inner case 300 according to an embodiment of the present invention, and FIG. 8 shows, This diagram illustrates the lower part of the TCU module 200 according to an embodiment of the present invention.

Referring to FIG. 4, the fixing bracket 100 may be provided at the front and rear ends of the lower ceiling 10b of the vehicle, respectively.

Specifically, the first fixing bracket 110 may be formed at the front end and provided with a first insertion groove for fitting the first protrusion 211 inside.

And the second fixing bracket 120 is formed at the rear end, has a left and right length larger than that of the first fixing bracket 110, and is fastened with a separately provided fixing bolt from the top to the bottom, so that it is attached to the inside of the first insertion groove. After the first protrusion 211 is fitted, the through hole of the second protrusion 212 is penetrated by a fixing bolt, thereby allowing the TCU module 200 to be fixed to the fixing bracket 100.

That is, after the assembly of the TCU module 200 and the inner case 300 is fitted into the first insertion groove of the first fixing bracket 110, the second fixing bolt is fastened to the second fixing bracket 120. It can be fixed to the fixing bracket 100 by allowing the through hole of the protrusion 212 to pass through and additionally fastening a separately provided fixing nut (B) to the fixing bolt as illustrated in FIG. 6B.

The TCU module 200 may include a TCU cover 210 provided on the upper side and a TCU case 220 that is coupled to the TCU cover 210 to accommodate the internal circuit of the TCU module 200.

Specifically, in order to be coupled to the fixing bracket 100, the TCU cover 210 has a first protrusion 211 protruding on one side and a second protrusion 211 protruding on the other side and provided with a through hole formed toward the top. It may include a protrusion 212.

In addition, the TCU cover 210 may further include a first step 213 and a second step 214 to prevent the coupled TCU case 220 from being separated when combined with the TCU case 220. .

When combined with the TCU case 220, the first step 213 is fastened to the side protrusion to prevent it from coming off, and the second step 214 is fastened to the rear protrusion to prevent it from coming off. You can.

The TCU case 220 is provided on both side walls to be combined with the TCU cover 210, and is provided with a third protrusion 221 that protrudes toward the upper side and a third protrusion 221 that protrudes toward the upper side and is provided at the front and rear ends. It may include 4 protrusions (222).

That is, the third protrusion 221 is fastened to the first step 213, and the fourth protrusion 222 is fastened to the second step 214, thereby forming a coupling between the TCU cover 210 and the TCU case 220. This can be kept stable.

And when the assembly between the TCU module 200 and the inner case 300 is completed, the lower gasket 600 is assembled to the assembly of the TCU module 200 and the inner case 300, as illustrated in FIGS. 7 and 8. You can.

10 to 11 are diagrams provided to explain the assembly of the outer case 400, the PCE 500, and the upper gasket 700 according to an embodiment of the present invention, and FIG. 12 is an embodiment of the present invention. This is a diagram illustrating the assembly of the outer case 400, the PCE 500, and the upper gasket 700 into the assembly of the TCU module 200 and the inner case 300 according to .

The outer case 400 is assembled by inserting the upper gasket 700 into the lower part as illustrated in FIGS. 10 and 11, and then the PCE 500 is assembled to form the outer case 400, the PCE 500, and the upper gasket. (700) The assembly of the liver can be completed.

And, as illustrated in FIGS. 12A to 12B, the assembly composed of the outer case 400, the PCE 500, and the upper gasket 700 is composed of the TCU module 200, the inner case 300, and the lower gasket 600. Can be combined into an assembly.

That is, when the assembly consisting of the TCU module 200, the inner case 300, and the lower gasket 600 is installed on the ceiling 10 of the vehicle through the fixing bracket 100, the TCU module exposed on the upper part of the ceiling 10 The assembly consisting of the outer case 400, the PCE 500, and the upper gasket 700 may be joined at the top.

Specifically, the inner case 300 is provided on both side walls in order to be coupled to the outer case 400, and is provided at the rear end with a pair of side fastening portions 310 extending along the height direction. It may include a rear fastening portion 320 extending along.

In addition, the outer case 400 has a pair of side fastening hooks (not shown) that are respectively fastened to the side fastening portions 310 of both side walls when assembled with the inner case 300, and the rear when assembled with the inner case 300. It may include a rear fastening hook (not shown) fastened to the fastening part 320.

Here, the pair of side fastening hooks (not shown) and the rear fastening hook (not shown) are a pair of side fastening parts 310 and rear fastening parts 320, each of which is provided with a step where the hook can hang and maintain the fastened state. may be concluded respectively.

When the assembly consisting of the TCU module 200, inner case 300, and lower gasket 600 and the outer case 400, PCE 500, and upper gasket 700 are combined, the TCU case 220 The coupling force between the two assemblies can be increased by a separately provided fixing bolt at the bottom.

For this purpose, a bolt insertion groove 223 is additionally provided at the bottom of the TCU case 220, and the assembly consisting of the inner case 300 and the lower gasket 600 and the outer case 400 are connected by a separately provided fixing bolt. , it is possible to increase the bonding force between the assembly consisting of the PCE (500) and the upper gasket (700).

13 and 14 are diagrams provided to explain the PCE 500 according to an embodiment of the present invention.

The PCE (500) is coupled to one side of the outer case (400), plays the role of a breathable cap (air vent), and is located in the inner watertight zone (A) provided between the inner case (300) and the outer case (400). A PCE body 510, a membrane 520, and a stopper 530 may be included to allow air flow but block internal moisture from entering from the outside.

One side of the PCE body 510 is inserted and fitted into one side of the external case 400, and an opening may be provided on the other side to allow air flow in the inner water area.

The membrane 520 is installed in the form of a thin film at the opening of the body, allowing air flow in the internal watertight zone (A) provided between the inner case 300 and the outer case 400, but preventing internal moisture from the outside. Inflow can be blocked.

The stopper 530 is formed at one end of the body, and when one side of the body is inserted into one side of the external case 400 and fitted, it can prevent the fitted body from being separated.

Specifically, the PCE (500) allows the discharge of gas and water vapor and the inflow of gas into the internal watertight zone (A) provided between the inner case (300) and the outer case (400), but does not allow moisture larger than the size of a water molecule from the outside. By blocking the inflow, if the pressure increases due to a rise in temperature in the internal watertight section (A), the pressure can be adjusted by discharging the gas to the outside.

In addition, the PCE (500) can prevent condensation by discharging water vapor inside the internal watertight area (A) to the outside, and even when the pressure is lowered by discharging gas to the outside, only gas is introduced from the outside. It can block the inflow of moisture larger than the size of a water molecule, improving the waterproofing effect.

In addition, the PCE (500) can circulate the internal air and external air of the internal watertight area (A) due to temperature changes, thereby providing a heat dissipation function through gas exchange.

In the above, preferred embodiments of the present invention have been shown and described, but the present invention is not limited to the specific embodiments described above, and may be used in the technical field to which the invention pertains without departing from the gist of the present invention as claimed in the claims. Of course, various modifications can be made by those skilled in the art, and these modifications should not be understood individually from the technical idea or perspective of the present invention.

10: Vehicle ceiling (Roof) 100: Fixing bracket
110: first fixing bracket 120: second fixing bracket
200: TCU (Telematics Control Unit, vehicle communication equipment) module
210: TCU cover 211: first protrusion
212: second protrusion 213: first step
214: second step 220: TCU case
221: third protrusion 222: fourth protrusion
223: Bolt insertion groove
300: Internal case 310: Side fastening part
320: Rear fastening part 400: External case
500: PCE (Pressure Control Element) 510: PCE body
511: opening 520: membrane
530: Stopper 600: Lower gasket
610: Lower gasket body 620: Secondary waterproofing part
700: upper gasket 710: upper gasket body
720: Inlet groove 730: Primary waterproofing part

Claims (10)

TCU (Telematics Control Unit) module installed under the roof of the vehicle;
An inner case formed in a three-dimensional shape with a receiving space for accommodating electronic components therein, and assembled on the upper part of the TCU module;
When the TCU module is coupled to the fixing bracket and the inner case is exposed to the upper part of the ceiling, an outer case assembled to cover the upper part of the inner case exposed to the upper part of the ceiling;
A lower gasket coupled to the lower outer edge of the inner case assembled on top of the TCU module to improve watertightness of the gap created when the TCU module and the lower ceiling are combined; and
A shark antenna including an upper gasket coupled to the lower outer edge of the outer case to improve the watertightness of the gap created when the outer case and the upper part of the ceiling are joined.
In claim 1,
The upper gasket is
A shark antenna characterized in that when the lower gasket coupled to the inner case is exposed by penetrating upward from the lower part of the ceiling, an inlet groove is formed to allow the exposed lower gasket and the inner case to be drawn inward.
In claim 2,
The upper gasket is
A shark antenna characterized in that it further includes a primary waterproofing portion formed on the outside of the inlet groove to prevent water from entering the gap that occurs when combined with the upper part of the ceiling.
In claim 3,
The primary waterproofing part is,
In order to prevent water from entering the gap that occurs when combined with the upper part of the ceiling, it is formed to protrude downward at a plurality of points on the outer lower surface of the upper gasket, and is in close contact with the upper surface of the ceiling at a plurality of points. Shark Antenna.
In claim 3,
The lower gasket is,
a lower gasket body that penetrates upward from the lower part of the ceiling and is inserted into the lead-in groove; and
A shark antenna comprising a secondary waterproofing portion formed on the outside of the lower gasket body to prevent water from entering the gap created when the TCU module and the lower ceiling are combined.
In claim 5,
The secondary waterproofing part is,
In order to prevent water from entering the gap that occurs when combined with the lower ceiling, the gasket protrudes upward at a plurality of points on the outer upper surface of the lower gasket, and is in close contact with the lower surface of the lower ceiling at a plurality of points. A shark antenna that does.
In claim 1,
It further includes a fixing bracket installed on the lower part of the ceiling (roof) of the vehicle,
The TCU module is,
TCU cover provided on the upper side; and
It includes a TCU case that is coupled to the TCU cover and accommodates the internal circuit of the TCU module,
The TCU cover is,
A first protrusion formed on one side; and
It includes a second protrusion formed on the other side and provided with a through hole formed toward the top,
The fixing bracket is,
A first fixing bracket formed at the front end and provided with a first insertion groove for fitting the first protrusion to the inside; and
A shark antenna comprising a second fixing bracket formed at the rear end to secure the TCU module.
In claim 7,
The second fixing bracket is,
The left and right lengths are formed to be larger than the first fixing bracket, and a separately provided fixing bolt is fastened from the upper side to the lower side, so that the first protrusion is fitted into the inside of the first insertion groove, and then the second protrusion is formed by the fixing bolt. Shark antenna characterized in that the TCU module is fixed by passing through the through hole.
In claim 8,
The inner case is,
A pair of side fastening portions provided on both side walls and extending along the height direction; and
It includes a rear fastening portion provided at the rear end and extending along the height direction,
The outer case is,
A pair of side fastening hooks provided on both inner side walls and respectively fastened to the side fastening parts of both side walls when assembled with the inner case; and
A shark antenna comprising a rear fastening hook provided at the inner rear end and fastened to the rear fastening portion when assembled with the inner case.
In claim 9,
The TCU case is,
Third protrusions provided on both side walls and protruding toward the upper side; and
It includes a fourth protrusion provided at the front and rear ends and protruding upward,
The TCU cover is,
When combined with the TCU case, a first step that engages the third protrusion to prevent it from being separated; and
The shark antenna further includes a second step that, when combined with the TCU case, engages the fourth protrusion to prevent it from being separated.