JP3193264U - Automotive radar equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an in-vehicle radar device capable of easily attaching a radar main body to a radar bracket and further contributing to stabilization of radar performance. A radar device 100 includes a radar main body 106 and a radar bracket 108 for installing a transmission / reception surface 112 of the radar main body 106 on a vehicle so as to face the outside of the vehicle. The radar bracket 108 is bridged between the side plate portions 116 and 118 along the side surfaces 120 and 122 of the radar main body 106 and the side plate portions 116 and 118 on the transmission / reception surface 112 side and the bottom surface 142 side of the radar main body 106, respectively. It has a first bridge portion 134 and a second bridge portion 146 that form an insertion port 114 through which the 106 passes, and an opening region 140 that exposes the transmission / reception surface 112 of the radar main body 106. One of the first bridge portion 134 or the second bridge portion 146 is arranged on the side opposite to the other in the insertion direction into the insertion port 114. [Selection diagram] Fig. 2

Description

  The present invention relates to an in-vehicle radar device including a radar main body and a radar bracket for installing the radar main body on a vehicle.

  In recent years, passenger cars equipped with an on-vehicle radar device have become widespread. The on-vehicle radar device plays a role of assisting a lane change and a collision avoidance brake by measuring a distance and a direction from another vehicle, an obstacle, and the like. In addition, the on-vehicle radar device is also used to give a predetermined warning to the driver or to control various on-vehicle devices such as a seat belt and an air bag. Such an on-vehicle radar device is installed mainly using a radar bracket at the front or rear of a vehicle (for example, Patent Document 1).

JP 2010-66092 A

  In order to fully exhibit the radar performance of the in-vehicle radar device, it is necessary to stably transmit radio waves in the target direction. For this purpose, it is required to increase the positioning accuracy of the radar main body by the radar bracket. In addition, it is desired that the radar bracket can be easily and fully attached to the radar main body.

  The present invention has been made in view of such a problem, and an object of the present invention is to provide an in-vehicle radar device that can easily attach a radar main body to a radar bracket and can contribute to stabilization of radar performance.

  In order to solve the above problems, a typical configuration of an on-vehicle radar device according to the present invention is a flat rectangular parallelepiped, and is provided with a transmission / reception surface that is provided on one of the two surfaces having the largest area and transmits and receives radio waves. A radar main body, and a radar bracket in which the radar main body is fitted and the transmission / reception surface faces the outside of the vehicle so that the radar main body is installed on the vehicle. The radar bracket has two parallel surfaces other than the two surfaces of the radar main body. Two side plate portions along the side surface, two transmitting and receiving surface sides of the radar main body, and two opposite side plate portions on the opposite bottom surface side are spanned by the two side plate portions, and two insertion openings are passed through when the radar main body is fitted into the radar bracket. The first and second bridge portions formed together with the side plate portion, and an opening region exposing the transmission / reception surface of the radar main body, and either the first or second bridge portion Characterized in that it is arranged or extended opposite the direction of insertion into the insertion opening than the other.

  According to the above configuration, when the radar main body is fitted into the radar bracket, the radar main body is inserted along the first bridge portion or the second bridge portion arranged or extended on the opposite side to the insertion port. The insertion operation can be performed easily and smoothly. Thus, since the radar bracket is devised so that the radar main body can be easily inserted, even if the side plate portion and the radar main body are fitted with no gap, the radar main body can be inserted without any problem. And if it is a radar bracket which can fit such a radar main body without a gap, it becomes possible to improve the positioning accuracy of the radar main body and to stably exhibit the radar performance.

  The radar bracket may further include a claw portion that is provided in the first or second bridge portion and is fitted to the radar main body after the insertion is completed to prevent the radar main body from falling off. According to this claw portion, the radar main body is fixed to the radar bracket so as not to move, and the positioning accuracy can be improved.

  The claw portion may be provided on the other side of the first or second bridge portion that is disposed on the insertion direction side of the insertion port or not extended. That is, one of the first or second bridge portions may be disposed or extended on the opposite side of the insertion port, and the other may be provided with a claw portion. As a result, the radar body can be more smoothly inserted along the one bridge portion and through the inside of the bridge portion having the other claw portion into the insertion port.

  The on-vehicle radar device further includes a connector that is provided on a side surface exposed from the insertion port of the radar main body after insertion into the radar bracket and is electrically connected to the vehicle, and includes first and second bridge portions. At least one may have a notch provided at a position overlapping the connector. According to this configuration, the wiring cords can be easily attached to and detached from the connector even after the radar body is fitted into the radar bracket.

  One of the first or second bridge portions arranged or extended on the opposite side of the insertion direction to the insertion port is in the vicinity of the distal end opposite to the insertion port, from the distal end side to the insertion port. You may have a slope inclined toward. By providing this slope, it becomes easier to insert the radar body into the insertion port of the radar bracket.

  According to the present invention, it is possible to provide an on-vehicle radar device that can easily attach a radar main body to a radar bracket and can contribute to stabilization of radar performance.

It is the figure which illustrated the vehicle-mounted radar apparatus in embodiment of this invention. It is the perspective view which illustrated independently the vehicle-mounted radar apparatus of FIG. It is the perspective view which illustrated the radar bracket of FIG.2 (b) seeing from the insertion port side.

  Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. The dimensions, materials, and other specific numerical values shown in the embodiments are merely examples for facilitating understanding of the invention, and do not limit the invention unless otherwise specified. In the present specification and drawings, elements having substantially the same functions and configurations are denoted by the same reference numerals, and redundant description is omitted, and elements not directly related to the present invention are not shown. To do.

  FIG. 1 is a diagram illustrating an in-vehicle radar device (radar device 100) according to an embodiment of the present invention. The radar apparatus 100 illustrated in FIG. 1 measures the distance and position with other vehicles and obstacles by transmitting and receiving radio waves. A plurality of radar devices 100 are installed near the back side of the front bumper 102 at the front of the vehicle, near the back side of the rear bumper 104 at the rear of the vehicle, and the like. For example, in the vehicle of FIG. 1, three are installed on the front bumper 102 side and two are installed on the rear bumper 104 side.

  FIG. 2 is a perspective view illustrating the in-vehicle radar device 100 of FIG. 1 alone. As illustrated in FIG. 2A, the radar apparatus 100 includes a radar main body 106 that transmits and receives radio waves, and a radar bracket 108 that installs the radar main body 106 at various locations in the vehicle. The radar main body 106 is electrically connected to the vehicle side with a connector 110, and transmits and receives radio waves toward the target.

  FIG. 2B is an exploded view of the radar apparatus 100 of FIG. As illustrated in FIG. 2B, the radar main body 106 is a flat rectangular parallelepiped, and one of the two surfaces having the largest area among the six surfaces is a radio wave transmission / reception surface 112. Various types of electronic components and the like are provided inside the radar body 106, and radio waves are transmitted and received from the transmission / reception surface 112.

  The radar bracket 108 is made of resin and is integrally molded so as to form a box shape along the shape of the radar main body 106. The radar main body 106 is configured to be fitted inside the radar bracket 108. An insertion port 114 is formed in the radar bracket 108, and the radar main body 106 is inserted from the insertion port 114 in the direction parallel to the transmission / reception surface 112. The two side plate portions 116 and 118 extend along two parallel side surfaces 120 and 122 which are long sides of the radar main body 106, and the radar main body 106 is fitted so as to slide between the side plate portions 116 and 118. In the back of the radar main body 106 in the insertion direction, a side plate portion 124 is provided along the short side of the radar main body 106. A rib 126 is formed inside the side plate portion 124, and the rib 126 contacts and supports the short side surface 128 of the radar main body 106.

  A fixing portion 130 is provided outside each side plate portion. The fixed portion 130 is provided with a metal bearing 132, and a bolt or the like can be used. By using these fixing portions 130, the radar bracket 108 is fixed to the vehicle such that the transmission / reception surface 112 of the radar main body 106 faces the outside of the vehicle.

  As illustrated in FIG. 2A, the first bridge portion 134 is bridged on the transmission / reception surface 112 side of one end in the longitudinal direction of the side plate portions 116 and 118. The first bridge portion 134 supports the end of the transmission / reception surface 112 of the radar main body 106. In addition, claw-like support portions 136 and 138 are provided at the upper ends of the side plate portions 116 and 118 to support the transmission / reception surface 112 side of the radar main body 106. The area other than the first bridge part 134 and the support parts 136 and 138 on the transmission / reception surface 112 side of the radar main body 106 is an opening area 140 for transmitting and receiving radio waves, and the transmission / reception surface 112 is exposed. .

  As illustrated in FIG. 2B, a bottom plate portion 144 is provided on the bottom surface 142 side of the radar main body 106 in the radar bracket 108 (the side opposite to the transmission / reception surface 112). The bottom plate portion 144 has a configuration in which the center side is thinned, and supports the bottom surface 142 of the radar main body 106.

  FIG. 3 is a perspective view illustrating the radar bracket 108 of FIG. 2B as viewed from the insertion port 114 side. As illustrated in FIG. 3, the second bridge portion 146 is bridged at one end of the side plate portions 116 and 118 on the bottom plate portion 144 side. The insertion port 114 is formed inside the first bridge portion 134, the second bridge portion 146 below the first bridge portion 134, and the side plate portions 116 and 118.

  As illustrated in FIG. 2B, the second bridge portion 146 is disposed on the opposite side of the insertion direction to the insertion port 114, that is, on the near side, compared to the first bridge portion 134. This is because when the radar main body 106 is fitted into the radar bracket 108, the radar main body 106 is inserted into the insertion opening 114 along the second bridge portion 146 disposed in front of the insertion opening 114. This is a configuration that enables easy and smooth insertion work.

  FIG. 3B is a schematic AA cross-sectional view of the radar bracket 108 of FIG. As illustrated in FIG. 3B, the first bridge portion 134 is provided with a claw portion 148. The nail | claw part 148 fits into the radar main body 106 after the completion of insertion illustrated with a broken line, and prevents the radar main body 106 from dropping off. By providing the claw portion 148, the radar main body 106 is fixed to the radar bracket 108 so as not to move, and the positioning accuracy can be improved.

  The second bridge portion 146 is provided with a first slope 150. The first slope 150 is inclined from the distal end side toward the insertion port 114 in the vicinity of the distal end of the second bridge portion 146 opposite to the insertion port 114. As described above, the claw portion 148 protrudes from the first bridge portion 134, but by providing the first slope 150 in the second bridge portion 146, the radar main body 106 can be inserted into the insertion port 114 without any problem. It is possible.

  In addition, the second slope 152 is also provided in the bottom plate portion 144. In the present embodiment, the position of the bottom plate portion 144 is slightly higher on the first bridge portion 134 side than the second bridge portion 146. This is because the radar bracket 108 is configured to hold the radar main body 106 between the first bridge portion 134 and the bottom plate portion 144. Therefore, the distance between the first bridge portion 134 and the bottom plate portion 144 has no allowance for the thickness of the radar main body 106. In view of this, the second slope 152 is provided at the end of the bottom plate portion 144 opposite to the insertion direction of the radar main body 106 to facilitate the insertion of the radar main body 106.

  Reference is again made to FIG. As illustrated in FIG. 2A, the connector 110 of the radar main body 106 is provided on a side surface exposed from the insertion port 114 after the insertion into the radar bracket 108 is completed. At this time, a cutout portion 154 is provided at a position overlapping the connector 110 in the first bridge portion 134. By providing the notch 154, the wiring cord 156 can be preferably attached to and detached from the connector 110 even after the radar main body 106 is fitted into the radar bracket 108.

  As described above, in the radar apparatus 100, the radar main body 106 can be easily inserted into the radar bracket 108 while the radar main body 106 is fitted to the radar bracket 108 without a gap. That is, the improvement of the positioning accuracy of the radar main body 106 and the simplification of the assembly work are achieved. And by raising the positioning accuracy of the radar main body 106, the radar performance can be stably exhibited.

  In the above configuration, the second bridge portion 146 is disposed on the front side of the insertion port 114. However, the present invention is not limited to this. For example, the second bridge portion 146 is installed at the same position as the first bridge portion 134 with respect to the insertion port 114, and all or part of the second bridge portion 146 is opposite to the insertion port 114. The same effect can be obtained by extending to the side. In the above configuration, the second bridge portion 146 is disposed on the front side of the insertion port 114, and the claw portion 148 is provided on the first bridge portion 134 on the insertion port 114 side. However, the present invention is not limited to this. For example, the first bridge portion 134 may be disposed on the near side, and the claw portion 148 may be provided on the second bridge portion 146. Moreover, you may perform both arrangement | positioning etc. to the near side of the insertion port 114, and installation of the nail | claw part 148 with respect to the same bridge | bridging part.

  As mentioned above, although preferred embodiment of this invention was described referring an accompanying drawing, it cannot be overemphasized that this invention is not limited to the example which concerns. It will be apparent to those skilled in the art that various changes and modifications can be made within the scope of the claims, and these are naturally within the technical scope of the present invention. Understood.

  The present invention can be used for an on-vehicle radar device including a radar main body and a radar bracket for installing the radar main body on a vehicle.

DESCRIPTION OF SYMBOLS 100 ... Radar apparatus, 102 ... Front bumper, 104 ... Rear bumper, 106 ... Radar main body, 108 ... Radar bracket, 110 ... Connector, 112 ... Transmission / reception surface, 114 ... Insertion port, 116, 118 ... Side plate part, 120, 122 ... Radar Side surface of main body, 124 ... side plate portion along short side surface, 126 ... rib, 128 ... side surface of short side of radar main body, 130 ... fixing portion, 132 ... bearing, 134 ... first bridge portion, 136, 138 ... Supporting part, 140 ... opening area, 142 ... bottom face of radar main body, 144 ... bottom plate part, 146 ... second bridge part, 148 ... claw part, 150 ... first slope, 152 ... second slope, 154 ... notch part, 156 ... Wiring cord

Claims (5)

A radar body having a transmission / reception surface which is a flat rectangular parallelepiped and is provided on one of the two surfaces of the largest area and transmits and receives radio waves;
A radar bracket that is installed in the radar main body, and the radar main body is installed on the vehicle so that the transmission / reception surface faces the outside of the vehicle;
With
The radar bracket is
Two side plate portions along two parallel side surfaces other than the two surfaces of the radar main body;
An insertion port is formed together with the two side plate portions that spans the two side plate portions on the transmitting / receiving surface side and the opposite bottom surface side of the radar main body and passes when the radar main body is fitted into the radar bracket. First and second bridge portions;
An opening region that exposes the transmitting / receiving surface of the radar body;
Have
One of the first or second bridge portions is arranged or extended on the opposite side of the insertion direction to the insertion port with respect to the other.   2. The radar bracket according to claim 1, further comprising a claw portion that is provided on the first or second bridge portion and is fitted to the radar main body after the insertion is completed to prevent the radar main body from falling off. The on-vehicle radar device described.   The said claw part is provided in the other which is arrange | positioned among the said 1st or 2nd bridge | bridging parts at the insertion direction side to the said insertion port, or the said extension is not made | formed. In-vehicle radar system. The in-vehicle radar device further includes a connector that is provided on a side surface exposed from the insertion port of the radar body after completion of insertion into the radar bracket, and is electrically connected to a vehicle.
4. The on-vehicle radar device according to claim 1, wherein at least one of the first and second bridge portions includes a cutout portion provided at a position overlapping the connector. 5.   One of the first or second bridge portions arranged on the opposite side of the insertion direction to the insertion port or the extended one is near the tip opposite to the insertion port, from the tip side. The on-vehicle radar device according to any one of claims 1 to 4, further comprising a slope inclined toward the insertion port.

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