KR20160065530A - Water proof camera for vehicle - Google Patents

Abstract

Provided is a camera for a vehicle, which has an efficient waterproof function, can be easily fixed to a vehicle, and can adjust the angle thereof. The camera for a vehicle according to an embodiment of the present invention comprises: a circuit board unit having a camera lens unit mounted thereon; a housing consisting of a rear case and a front case; a window closely assembled with the front case; a window sealing for sealing between the window and the front case; a window plate coupled to the front case to press the rear surface of the window sealing to the front case; and a case sealing for sealing between the front case and the rear case. The camera for a vehicle according to the present invention can improve a sealing effect by providing the window sealing for sealing between the window and the front case and the case sealing for sealing between the front case and the rear case.

Description

[0001] Waterproof camera for vehicle [

The present invention relates to a vehicle camera having a waterproof function, and more particularly, to a vehicle camera having an efficient waterproof function and being easily fixed to a vehicle and capable of adjusting the vertical and tilt angles of the camera.

In order to allow the driver to observe the rear and side surfaces of the vehicle, the number of cameras installed inside or outside the vehicle is increasing. However, when the camera is installed so that the camera is exposed to the outside of the vehicle, the camera may be exposed to the rain, resulting in malfunction or malfunction. Therefore, a waterproof function is essential for stable and normal operation of the camera.

For example, Japanese Patent Laid-Open No. 10-1324637 proposes a waterproof portion including a sealing member for preventing moisture from flowing into a gap and a sealing pad in close contact with the sealing member to prevent moisture from flowing into the camera, have.

However, in the present invention, the outer panel is opened only in a situation where the outside of the vehicle is to be checked, and the sealing pad is brought into close contact with the sealing member only at this time. Further, since the shape of the sealing member is in the form of a general rubber ring, even when the sealing pad is in close contact with the sealing member, there is a limit to the sealing force of the sealing member. Further, there is a problem that the structure of the apparatus is complicated and the assemblability is poor.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a vehicle camera having a waterproof effect and an improved assembling property with a simple structure. It is another object of the present invention to provide a configuration capable of adjusting a tilt angle and easily fixing a camera for a vehicle.

According to an aspect of the present invention, there is provided a vehicle camera including: a circuit board unit having a camera lens unit including a camera sensor; A housing which houses the circuit board therein and includes a rear case and a front case; A window which is closely assembled to the front case; A window sealing for sealing between the window and the front case; A window plate having a hole formed at a center thereof to allow the camera lens to pass therethrough and being coupled to the front case so as to press the window seal from the rear surface toward the front case; And case sealing for sealing between the front case and the rear case.

Wherein the window seal is formed on the inner side with a groove having a "C" shape to surround an outer periphery of the window, and a protrusion is formed on the outer periphery in the window direction on the outer side, And a groove is formed in the entire circumference at a position corresponding to the projection.

The circuit board portion is provided with an illuminance sensor and a plurality of infrared LEDs, and the window plate is further formed with a hole through which the illuminance sensor and the infrared LED are inserted. The circuit board portion may be formed of one or more circuit boards. The hole into which the illuminance sensor is inserted is preferably formed as a hole separate from the hole through which the infrared LED is inserted in order to prevent light interference between the illuminance sensor and the infrared LED.

One of the front case and the rear case is formed with a groove having a '?' Shape along the entire circumference and a protrusion corresponding to the groove is provided around the front and the case sealing is inserted between the groove and the protrusion.

A cable groove is formed in the rear case 150 so as to protrude inward into the housing, that is, to be recessed into the housing when viewed from the outside of the housing. In the cable groove, . The cable has a stopper formed of an integral mold. After inserting the stopper into the cable groove, the stopper is brought into close contact with the cable groove using the fixing bolt.

The stopper includes a body portion enclosing the cable, a wing portion protruding from the body portion in the form of a hat window, and a chamfer portion integrally formed to cover the cable hole in the direction of the cable hole in the wing portion. The fixing bolt includes a lid portion formed to have a hole at the center thereof to allow the cable to pass therethrough and to cover the inlet of the cable groove when the cable is inserted into the cable groove, .

The housing of the present invention can be fixed to the vehicle body by a fixing bracket. The fixing bracket includes a left pillar portion and a right pillar portion which are respectively engaged with a left side surface and a right side surface of the housing so as to be rotatable and a pair of projections formed outside the left pillar portion and the right pillar portion, A left bracket portion and a right bracket portion each having a hole, and a bracket mount connecting the left bracket portion and the right bracket portion.

According to the present invention, a sealing effect can be enhanced by providing a window seal for sealing between a window and a front case, and a case seal for sealing between a front case and a rear case. In addition, since the window sealing is formed on the inner side to have a "U" -shaped groove for surrounding the outer periphery of the window, and the projection is formed over the entire circumference in the outer window direction, Is more reliably sealed.

Further, the hole formed in the housing for sealing the cable for electrical connection is sealed by using the stopper integrally formed with the chamfer, so that the penetration of moisture through the cable can be effectively prevented.

Further, since the bracket for rotatably fixing the vehicle camera to the vehicle body is formed so as to protrude to the outside of the pillar, it becomes easier to fix the bracket to the vehicle body by using screws.

1 is a perspective view of a vehicle camera according to an embodiment of the present invention.
2 is an exploded perspective view of the vehicle camera of Fig.
3 is a side sectional view of the vehicle camera of Fig.
4 is a perspective view showing a state in which the angle of the housing of the vehicle camera is changed.
Fig. 5 is a cross-sectional view of the vehicle camera of Fig. 1; Fig.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings.

FIG. 1 is a perspective view of a vehicle camera according to an embodiment of the present invention, and FIG. 2 is an exploded perspective view of the vehicle camera of FIG. 1. FIG.

The vehicle camera 100 of the present invention is a camera that can be mounted inside or outside the vehicle. The housing of the camera 100 for a vehicle of the present invention includes a front case 140 and a rear case 150. The front case 140 and the rear case 150 are coupled to each other by four bolts 155. A case sealing 170 is provided between the front case 140 and the rear case 150 for sealing between the front case 140 and the rear case 150. [ One of the front case 140 and the rear case 150 is formed with a groove having a `C` shape along the front periphery and a protrusion corresponding to the` C` groove along the front periphery, And is inserted between the groove and the projection.

A first circuit board 110 on which a camera lens unit 111 including a camera sensor is mounted and a second circuit board 110 on which four support rods 113 The second circuit board 120 mounted on the first circuit board 112 is mounted. The illuminance sensor 114 and the plurality of infrared LEDs 115 are mounted on the second circuit board 120 and a hole is formed at the center of the second circuit board 120 so that the camera lens 111 passes through the center. In FIG. 2, 12 infrared LEDs 115 are mounted. The first circuit board 110 and the second circuit board 120 are electrically connected through a connector.

In this figure, the camera lens unit and the infrared LED are mounted on the first circuit board and the second circuit board. However, according to the embodiment, the camera lens unit and the infrared LED are both assembled Or it is possible to apply a variety of modifications such as assembling them to two or more circuit boards.

A window 160 is closely attached to the front case 140 to prevent foreign substances such as dust and moisture from entering into the front case 140. The window 160 is preferably made of glass or the corresponding material.

A window sealing 161 is provided for sealing between the window 160 and the front case 140. As shown in FIG. 3, the window sealing 161 is formed with a groove 163 having a U-shape for covering the outer edge of the window 160 on the inner side, A protrusion 162 is formed around the entire circumference. In the front case 140, grooves are formed at the positions corresponding to the protrusions 162 over the entire circumference.

The case sealing 170 and the window sealing 161 are preferably made of a material having elasticity such as natural rubber, synthetic rubber or the like.

The window plate 130 presses the window seal 161 and the window 160 from the rear surface toward the front case 140. The window 160 is further brought into close contact with the front case 140. The protrusion 162 formed on the window seal 161 is inserted into the groove formed in the front case 140 and pressed by the window plate 130 so that the gap between the window 160 and the front case 140 The sealing becomes more certain.

The window plate 130 is formed with a hole at the center so as to allow the camera lens unit 111 to pass therethrough and the window plate 130 is fastened to the front case 140 by screws 131. The window plate 130 is further formed with a hole 132 through which the brightness sensor 114 is inserted and holes 133a and 133b into which the infrared LEDs 115 are inserted. The hole 132 into which the illuminance sensor 114 is inserted is preferably separated from the holes 133a and 133b into which the infrared LEDs are inserted so as to prevent light interference between the illuminance sensor 114 and the infrared LEDs 115 As shown in Fig. 2, light emitted from the infrared LEDs near the illuminance sensor 114 forms the hole 132 since the illuminance sensor 114 has a height that is completely submerged in the hole 132. That is, So that the light emitted from the infrared LEDs is prevented from entering the illuminance sensor 114 directly.

The first circuit board 110 is electrically connected to the outside of the apparatus by a cable C. To this end, a cable hole 152a is formed in the rear case 150 to allow the cable C to pass through the device.

A cable groove 152 is formed in the rear case 150 so as to protrude into the housing, that is, to be recessed into the housing when viewed from the outside of the housing, 152 are formed with a cable hole 152a.

The cable (C) has a stopper (153) formed of an integral mold to insert the stopper (153) into the cable groove (152). The stopper 153 includes a body portion 153a surrounding the cable C, a wing portion 153b protruding from the body portion 153a in the form of a hat window, and a cable hole 152a extending from the wing portion in the direction of the cable hole 152a. And a chamfered portion 153c formed so as to cover the upper surface 152a.

The stopper 153 is brought into close contact with the cable groove 152 by using the fixing bolt 154. A hole is formed at the center of the fixing bolt 154 so as to allow the cable C to pass therethrough. The fixing bolt 154 has a cylindrical portion 154a for closely fitting the wing portion 153b of the stopper 153 in the direction of the cable hole 152a and a fixing bolt 154 for fixing the cable groove 152, And a lid portion 154b configured to cover an entrance of the cable groove 152 when inserted into the cable groove 152. [ Thus, when the fixing bolt 154 is pushed into the cable groove 152, the cylindrical portion 154a closely contacts the wing portion 153b of the stopper 153 in the direction of the cable hole 152a, and the lid portion 154b ) Covers the inlet of the cable groove 152, so that double sealing is achieved. Further, since the chamfered portion 153c of the stopper 153 is closely attached in the direction of the cable hole 152a, more reliable sealing is achieved.

The outer surface of the cylindrical portion 154a and the inner surface of the cable groove 152 are threaded so that the fixing bolt 154 and the cable groove 152 can be coupled to each other by screwing. have. Alternatively, the fixing bolt 154 and the cable groove 152 may be coupled by interference fit.

As can be seen from Figs. 1 and 4, the vehicle camera of the present invention is fixedly assembled to the vehicle body using the fixing bracket 180. Fig. 2, the fixing bracket 180 includes left and right pillar portions 181a and 181b which are respectively engaged with the left and right sides of the housing and the left and right pillar portions 181a and 181b, A left bracket portion 182a and a right bracket portion 182b protruding from the outer side of the lower bracket portion 181b and a bracket mount 183 connecting the left bracket portion 182a and the right bracket portion 182b .

A pair of guide holes 184a and 184b for rotatably connecting the housing are formed in the left column 181a and the right column 181b respectively and a left bracket 182a and a right bracket 182b, There are formed coupling holes 186 and 187 for fixing the fixing bracket 180 to the vehicle body using the bolts 188, respectively.

In order to facilitate the work of fixing the fixing bracket 180 to the vehicle body, the coupling holes formed in any one of the left bracket portion 182a and the right side bracket portion 182b are circular, It is preferable to form it in a spherical shape. In the example of FIG. 2, a coupling hole 187 formed in the right bracket portion 182b is formed as a long hole.

On the other hand, the vehicle camera 100 may further include a sun shield 190 for shielding sunlight. The sunshield 190 has a ceiling portion 191 and wall portions 192a and 192b formed on the left and right sides of the ceiling portion 191 respectively. A pair of guide holes 194a and 194b are formed in the wall portions 192a and 192b, respectively.

The fixing bracket 180 and the sun shield 190 are coupled to the front case 140 by the hexagonal groove bolts 193a and 193b. That is, when the guide holes 184a and 184b of the fixing bracket 180 and the guide holes 194a and 194b of the sun shield 190 are overlapped with each other, the hexagonal groove bolts 193a and 193b pass through these guide holes, The sun shield 190 and the fixing bracket 180 are coupled to the housing in a rotatable manner by being engaged with the coupling holes 141 provided on the left and right sides of the case 140. [ In this state, the camera tilt angle can be adjusted to the range allowed by the guide holes 184a and 184b by rotating the housing relative to the fixing bracket 180. FIGS. 1 and 4 show a camera tilted. In addition, the sunshield 190 can also be pivoted relative to the housing.

While the present invention has been described with reference to exemplary embodiments, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. That is, within the scope of the present invention, all of the components may be selectively coupled to one or more of them.

Furthermore, the terms "comprises", "comprising", or "having" described above mean that a component can be implanted unless otherwise specifically stated, But should be construed as including other elements.

The foregoing description is merely illustrative of the technical idea of the present invention, and various changes and modifications may be made by those skilled in the art without departing from the essential characteristics of the present invention. Therefore, the embodiments disclosed in the present invention are intended to illustrate rather than limit the scope of the present invention, and the scope of the technical idea of the present invention is not limited by these embodiments. The scope of protection of the present invention should be construed according to the following claims, and all technical ideas within the scope of equivalents should be construed as falling within the scope of the present invention.

100 car camera,
110 first circuit board,
120 second circuit board,
130 window plate,
140 Front case,
150 rear case,
160 Windows,
161 Window sealing,
170 case sealing,
180 Fixing Bracket,
190 Sunshield,
C cable.

Claims (11)

A circuit board portion on which a camera lens portion including a camera sensor is mounted;
A housing for accommodating a circuit board therein and including a rear case and a front case;
A window which is closely assembled to the front case;
A window sealing for sealing between the window and the front case;
A window plate having a hole formed at a center thereof to allow the camera lens to pass therethrough and being coupled to the front case so as to press the window seal from the rear surface toward the front case; And
A case sealing for sealing between the front case and the rear case,
. The method according to claim 1,
In the window sealing, a 'U' shaped groove is formed to surround an outer periphery of the window, and a protrusion is formed around the entire circumference in the window direction on the outer side.
Wherein the front case is formed with a groove at a position corresponding to the projection so as to extend over the entire circumference. 3. The method of claim 2,
Wherein the circuit board portion is provided with an illuminance sensor and a plurality of infrared LEDs,
Wherein the window plate is further formed with a hole into which the illuminance sensor and the infrared LED are inserted. The method of claim 3,
Wherein the hole into which the illuminance sensor is inserted is formed as a hole separate from a hole into which the infrared LED is inserted so as to prevent light interference between the illuminance sensor and the infrared LED. 3. The method of claim 2,
One of the front case and the rear case is formed with a groove having a letter "C" along its entire circumference and the other corresponding to the front end, and the case seal is inserted between the groove and the projection Features a car camera. 6. The method according to any one of claims 1 to 5,
A cable hole for passing a cable for electrical connection with the circuit board unit is formed in the rear case, a cable groove provided to be protruded to the inside of the housing,
A stopper formed integrally with the body portion to enclose the cable, a wing portion protruding from the body portion in the form of a hat window, and a chamfer portion formed to cover the cable hole in the direction of the cable hole in the wing portion,
A cover having a hole formed at the center thereof so as to allow the cable to pass therethrough and a cover portion formed to cover an inlet of the cable groove when the cable is inserted into the cable groove and a cylindrical portion which closely contacts the wing portion of the stopper in the cable hole direction, volt
And the cable groove is sealed by the cable groove. 6. The method according to any one of claims 1 to 5,
A left pillar and a right pillar coupled to a left side surface and a right side surface of the housing so as to allow the housing to pivot,
A left bracket portion and a right bracket portion protruding from the left and right pillar portions respectively and having coupling holes for fixing the vehicle to the vehicle,
A bracket mount for connecting the left bracket portion and the right bracket portion,
And a fixing bracket including the fixing bracket. 8. The method of claim 7,
Wherein the coupling hole formed in one of the left bracket portion and the right bracket portion is circular and the coupling hole formed in the other one is a long hole type. A circuit board portion on which a camera lens portion including a camera sensor is mounted;
A housing including a rear case and a front case for supporting the circuit board;
A window which is closely assembled to the front case;
A window sealing for sealing between the window and the front case; And
A case sealing for sealing between the front case and the rear case,
And,
A cable hole for passing a cable for electrical connection with the circuit board unit is formed in the rear case, a cable groove provided to be protruded to the inside of the housing,
A stopper formed integrally with the body portion to enclose the cable, a wing portion protruding from the body portion in the form of a hat window, and a chamfer portion formed to cover the cable hole in the direction of the cable hole in the wing portion,
A cover having a hole formed at the center thereof so as to allow the cable to pass therethrough and a cover portion formed to cover the inlet of the cable groove when inserted into the cable groove and a cylindrical portion which closely contacts the wing portion of the stopper in the cable hole direction, volt
And the cable groove is sealed by the cable groove. A circuit board portion on which a camera lens portion including a camera sensor is mounted;
A housing including a rear case and a front case for supporting the circuit board;
A window which is closely assembled to the front case;
A window sealing for sealing between the window and the front case;
Case sealing for sealing between the front case and the rear case; And
A left pillar and a right pillar coupled to the left side and the right side of the housing so as to allow the housing to pivot, a left pillar and a right pillar protruding from the left and right pillars respectively, A bracket portion and a right bracket portion, and a bracket mount for connecting the left and right bracket portions,
. The vehicle camera according to claim 10, wherein the coupling holes formed in any one of the left bracket portion and the right bracket portion are circular, and the coupling holes formed in the other one are elongated holes.

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