WO2019043909A1

WO2019043909A1 - Rearview device

Info

Publication number: WO2019043909A1
Application number: PCT/JP2017/031593
Authority: WO
Inventors: 岡部　浩司; 雄一吉井
Original assignee: 本田技研工業株式会社
Priority date: 2017-09-01
Filing date: 2017-09-01
Publication date: 2019-03-07
Also published as: CN111065548A

Abstract

This rearview device 11 comprises an information acquisition unit 17 which is provided on a vehicle body 3 of a vehicle 1 to acquire information on an area behind the vehicle 1 and cause the vehicle occupants to be aware of the information and a housing 13 housing the information acquisition unit 17 therein, and is characterized by the housing 13 having an upper face 31 facing up in the vertical direction and a lower face 33 facing down in the vertical direction, and by being provided on the rear edges of the upper face 31 and lower face 33 with inclined portions 45, each inclined at a prescribed angle α so that the space between the upper face 31 and lower face 33 narrows along the direction from the front to rear of the vehicle 1.

Description

Rear confirmation device

The present invention relates to a backward verification device.

The vehicle body of the vehicle is provided with a rearview confirmation device such as a door mirror or an imaging device. The rear confirmation device is used by an occupant to confirm information (a landscape) behind the vehicle (see Patent Document 1).

The rear view confirmation device (vehicle periphery monitoring device) described in Patent Document 1 includes an information acquisition unit (a mirror and an imaging device), a housing (a mirror housing), and a wiper device. The information acquisition unit is for acquiring information on the rear of the vehicle and causing the occupant to confirm it. The housing accommodates the information acquisition unit therein. The wiper device has a wiper blade. The rear view confirmation device of Patent Document 1 is provided with a wiper device, so that it is possible to wipe away raindrops and dust, and to allow an occupant to recognize information on the rear of the vehicle.

JP 2007-106201 A

However, since the rear view confirmation device of Patent Document 1 includes the wiper device, there is room for improvement in terms of cost. In addition, since the wiper device generally requires a motor for driving, the installation space is increased, and the degree of freedom in design may be reduced.

The present invention has been made in view of the above circumstances, and has an object to provide a rear view confirmation device capable of suppressing the cost and improving the degree of freedom of design as compared with the prior art.

In order to solve the above problems, the following configuration is adopted in the backward verification device according to the aspect of the present invention.
(1) The rear confirmation device according to one aspect of the present invention (rear confirmation device 11 according to an embodiment described later) is provided in a vehicle body (a vehicle body 3 according to an embodiment described later) of a vehicle (vehicle 1 according to an embodiment described later) An information acquiring unit (an information acquiring unit 17 according to an embodiment to be described later) for acquiring information on the rear of the vehicle and causing a passenger to recognize the information; A rear confirmation device having a housing 13), wherein the housing has an upper surface facing the upper side in the vertical direction (upper surface 31 of an embodiment described later) and a lower surface facing the lower side in the vertical direction (embodiment described later Lower surface 33), and the predetermined angle is set so that the distance between the upper surface and the lower surface narrows from the front to the rear of the vehicle at the rear end of the upper surface and the rear end of the lower surface. (Included at a predetermined angle α in the embodiment described later) Wherein the inclined portion was the (inclined portion 45 of the embodiment described later) it is provided.

(2) In the rear view confirmation device of the aspect of the above (1), the information acquisition unit may be disposed on the front side of the rear end of the housing and be stored in the housing.

(3) In the rear view confirmation device according to the aspect (1) or (2), the predetermined angle of the inclined portion of the upper surface and the predetermined angle of the inclined portion of the lower surface are substantially the same. It may be set.

(4) In the rear view confirmation device according to any one of the above aspects (1) to (3), the predetermined angle may be set to be 6 ° or more and 7 ° or less with respect to the horizontal direction.

(5) In the rear view confirmation device according to any one of the above aspects (1) to (4), the housing includes a pair of side surfaces connecting the upper surface and the lower surface in the left-right direction of the vehicle The side surfaces 35, 35) may be formed, and the pair of side surfaces may be formed flat.

(6) In the rear view confirmation apparatus according to any one of the above (1) to (5) modes, the inclined portion may be provided at a predetermined distance rearward of the center of the housing in the horizontal direction.

(7) In the rear view confirmation device according to any one of the above (1) to (5) modes, the housing is attached to a side surface of the vehicle body, and the information acquisition unit The camera may be acquired as information behind the vehicle.

According to the aspect of said (1), the inclination part was provided in the rear end part of the upper surface of a housing, and the rear end part of a lower surface, respectively. Thus, when the vehicle travels, a swirl due to the traveling wind is generated in the inclined portion, so that raindrops and dust adhering to the inclined portion can be removed by flying. Therefore, by providing the inclined portion in the housing, the rear view confirmation device according to claim 1 can suppress the adhesion of raindrops and dust on the information acquisition portion and make the occupant recognize the information on the rear of the vehicle . Therefore, compared with the prior art which provided the wiper apparatus, cost can be suppressed and a passenger | crew can confirm the information of the back of a vehicle easily compared with the prior art which provided the wiper apparatus, for example. In addition, since the rear view confirmation device according to claim 1 does not use the wiper device as in the prior art, the increase in the installation space can be suppressed, and the degree of freedom in design can be improved.

According to the above aspect (2), the information acquisition unit is disposed on the front side of the rear end of the housing and housed in the housing. As a result, for example, when the vehicle is stopped or traveling at low speed, raindrops and dust adhering to the inclined portion can be prevented from coming into the inside of the housing, so that raindrops and dust can be suppressed from adhering to the information acquisition unit. Therefore, compared with the prior art, the rear view confirmation device according to the second aspect can suppress the cost, can improve the freedom of design, and can allow the passenger to recognize the information on the rear of the vehicle.

According to the above aspect (3), the predetermined angle of the inclined portion of the upper surface and the predetermined angle of the inclined portion of the lower surface are set to be substantially the same. Thereby, the strength of the vortices due to the traveling wind generated in the inclined portion of the upper surface and the inclined portion of the lower surface becomes substantially the same. For this reason, it is possible to efficiently and efficiently remove raindrops and dust adhering to the inclined portion of the upper surface and the inclined portion of the lower surface by the vortices of the traveling wind generated in the inclined portion. Therefore, according to the third aspect of the present invention, the adhesion of raindrops and dust to the information acquisition unit can be efficiently suppressed.

According to the above aspect (4), it was confirmed by experiments that raindrops and dust can be effectively removed by setting the predetermined angle of the inclined portion in the range of 6 ° to 7 ° with respect to the horizontal direction. . Therefore, the rear view confirmation device according to claim 4 can efficiently suppress adhesion of raindrops and dust to the information acquisition unit.

According to the above aspect (5), the pair of side surfaces of the housing is formed flat. As a result, generation of vortices in the portion other than the inclined portion of the housing can be suppressed, so that disturbance of the flow of vortices generated in the inclined portion can be suppressed. For this reason, it is possible to efficiently remove and remove raindrops and dust attached to the inclined portion, which are generated in the inclined portion. Therefore, the rear view confirmation device according to claim 5 can efficiently suppress adhesion of raindrops and dust to the information acquisition unit.

According to the above aspect (6), since the sloped portion is provided at a predetermined distance rearward of the center of the housing in the horizontal direction, the sloped portion is provided from the front of the center of the housing in the horizontal direction. Thus, the area of the inclined portion can be reduced. As a result, since the rear confirmation device according to claim 6 can reduce the air resistance at the inclined portion as compared with the case where the inclined portion is provided from the front of the center of the housing in the horizontal direction, the inclined portion Flow velocity of the vortex generated in the Therefore, the rear view confirmation device according to claim 6 can efficiently suppress adhesion of raindrops and dust on the information acquisition unit.

According to the above aspect (7), since the housing is attached to the side surface of the vehicle body, the rear view confirmation device of the present invention can be obtained without giving a sense of discomfort in design compared to a vehicle equipped with a conventional door mirror. It can apply. Further, since the information acquisition unit is a camera that acquires a captured image of the rear of the vehicle as information of the rear of the vehicle, for example, the monitor disposed in the vehicle compartment can make the occupant recognize the information of the rear of the vehicle . Therefore, it is possible to provide a user-friendly, high-performance backward verification apparatus.

1 is a perspective view of a vehicle equipped with a rear view confirmation device according to an embodiment of the present invention. It is a side view of a back confirmation apparatus. FIG. 6 is a cross-sectional view of the rear end portion of the housing along the front-rear direction. It is the figure which looked at the opening of a housing from the back. It is a figure explaining removal of a raindrop and dust by a housing. It is a graph which shows the relationship between the angle of the inclination part of the model of a back confirmation apparatus, and the adhesion amount of the water droplet adhering to a back surface.

Hereinafter, embodiments of the present invention will be described based on the drawings.
FIG. 1 is a perspective view of a vehicle provided with a rear view confirmation device according to an embodiment of the present invention.
FIG. 2 is a side view of the rear confirmation device.
In the following description, the front-rear direction is the front-rear direction of the vehicle 1 and coincides with the horizontal direction. Further, the left and right direction coincides with the left and right direction of the vehicle 1. Further, the up and down direction is the up and down direction of the vehicle 1 and coincides with the vertical direction. Further, in the drawings used hereinafter, the front of the vehicle is indicated by arrow FR, the upper side of the vehicle is indicated by arrow UP, and the left of the vehicle is indicated by arrow LH.

As shown in FIG. 1, a rear confirmation device 11 is provided above the left side door 5 of the vehicle 1. The rear confirmation device 11 is used by the occupant to recognize information behind the vehicle 1. The rear confirmation device 11 includes a housing 13, a vehicle body attachment unit 15, and an information acquisition unit 17.

As shown in FIG. 2, the housing 13 is formed to extend in the front-rear direction of the vehicle 1. The housing 13 is formed in a bottomed cylindrical shape opened to the rear. An opening 19 is formed at the rear end of the housing 13.

The vehicle body attachment portion 15 is provided below the housing 13 and integrally formed with the housing 13. The vehicle body attachment portion 15 fixes the housing 13 to the side surface of the vehicle body 3. Specifically, the vehicle body mounting portion 15 is an upper portion of the left side door 5, and for example, the housing 13 is fixed to the rear of the pillar.

FIG. 3 is a cross-sectional view of the rear end portion of the housing along the front-rear direction.
As shown in FIG. 3, the information acquisition unit 17 is provided inside the housing 13. The information acquisition unit 17 is for acquiring information on the rear side of the vehicle 1 and having the occupant confirm it.

The information acquisition unit 17 includes a protection unit 21 and an imaging device 23.
The protection unit 21 protects the imaging device 23 so as not to damage the imaging device 23 by interfering with an external object or the like. The protective portion 21 is formed in a plate shape, for example, of a light transmitting material such as an acrylic resin material. The protective portion 21 is disposed on the front side of the rear end of the housing 13 inside the housing 13. The protective portion 21 is attached to the housing 13 so as to close the opening 19 of the housing 13.

The imaging device 23 is disposed on the front side of the protective unit 21 inside the housing 13. The imaging device 23 is a so-called camera having an imaging element such as a complementary metal oxide semiconductor (CMOS) sensor inside, for example, and acquires a captured image of the rear of the vehicle 1 as information of the rear of the vehicle 1. The imaging device 23 includes a lens 61 and an imaging device main body 63. The lens 61 is attached to the rear end of the imaging device main body 63. The lens 61 is disposed in front of the protective unit 21. The imaging device main body 63 is connected to a monitor disposed in the vehicle compartment.

FIG. 4 is a rear view of the opening of the housing.
As shown in FIG. 4, the imaging device 23 is disposed inside the housing 13 on the left side (outside of the vehicle) than the central portion in the left-right direction. Thereby, the imaging device 23 can acquire information on the left rear of the vehicle in a wider range as compared with the case where the imaging device 23 is disposed at the center in the left-right direction inside the housing 13.

The imaging device 23 captures information on the rear side via the protection unit 21 and the lens 61, and obtains image data at the imaging device main body 63. The imaging device body 63 transmits the obtained image data to a monitor in the vehicle. The monitor converts the image data transmitted from the imaging device main body 63 into a display image and displays it on the screen. The occupant can recognize the information behind the vehicle 1 by looking at the image displayed on the screen of the monitor.

As shown in FIG. 2, the housing 13 of the rear confirmation device 11 has an upper surface 31, a lower surface 33, a pair of side surfaces 35 and 35, and a front surface 37.

The upper surface 31 faces the upper side in the vertical direction (vertical direction) of the vehicle 1. The lower surface 33 faces the lower side in the vertical direction (vertical direction) of the vehicle 1. The upper surface 31 and the lower surface 33 are formed along the front-rear direction (horizontal direction) of the vehicle 1. The vehicle body mounting portion 15 described above is connected to the lower surface 33.

At the rear end of the upper surface 31 and the rear end of the lower surface 33, inclined portions 45 are provided. Here, the inclined portion 45 is preferably provided rearward of the center C of the housing 13 in the front-rear direction (horizontal direction) in order to prevent the removed raindrops and dust from adhering to the inclined portion 45 again. . The length of the inclined portion 45 is about 30 mm to 50 mm, for example, to the extent that removed raindrops and dust do not adhere to the inclined portion 45 again.
Specifically, in the present embodiment, the pair of inclined portions 45 provided at the rear end of the upper surface 31 and the rear end of the lower surface 33 is more predetermined than the center C of the housing 13 in the front-rear direction (horizontal direction) It is spaced apart rearwardly by a distance d. The predetermined distance d is set to, for example, about 1/4 to 1/5 of the total length of the housing 13 in the present embodiment.

The pair of

inclined portions

45, 45 are inclined at a predetermined angle α so that the distance between the upper surface 31 and the lower surface 33 narrows from the front to the rear. In other words, with respect to the pair of

inclined portions

45, 45, the dimension in the vertical direction of the housing 13 (vertical direction in FIG. 2) gradually decreases from the front to the rear with respect to the longitudinal direction of the vehicle 1 It is inclined at a predetermined angle α. The predetermined angle α of the inclined portion 45 of the upper surface 31 and the predetermined angle α of the inclined portion 45 of the lower surface 33 are set to be substantially the same.

Here, as a result of conducting experiments by changing the angle of the predetermined angle α, it is an experiment that the rear confirmation device 11 can effectively remove raindrops and dust by setting the predetermined angle α to 6.5 °. Was able to confirm. Therefore, it is preferable that the predetermined angle α be set, for example, in the range of 6 ° to 7 ° with respect to the front-rear direction of the vehicle 1 in consideration of a manufacturing error of 6.5 °. About the inclination part 45 of the backward confirmation apparatus 11 of this embodiment, the experiment performed in order to consider the setting value of the predetermined angle (alpha) and the experimental result are mentioned later.

The portion 51 other than the inclined portion 45 of the upper surface 31 is formed to be inclined downward after being formed flat from the rear to the front. The portion 53 of the lower surface 33 other than the inclined portion 45 is formed flat along the front-rear direction of the vehicle 1.

The pair of side surfaces 35 connect the left and right ends of the upper surface 31 and the left and right ends of the lower surface 33. The pair of side surfaces 35, 35 are formed flat. In other words, the inclined portions are not provided on the pair of side surfaces 35, 35.
The front surface 37 connects the front end of the pair of side surfaces 35 and 35 to the front end of the upper surface 31 and the front end of the lower surface 33. The connecting portion between the front surface 37 and the upper surface 31 and the connecting portion between the front surface 37 and the lower surface 33 are formed to be curved.

FIG. 5 is a view for explaining the removal of raindrops and dust by the housing.
Next, removal of raindrops and dust E by the housing 13 of the rear view confirmation apparatus 11 of the present embodiment will be described using FIG. 5.
As shown in FIG. 5, when the vehicle 1 (see FIG. 1) travels, a traveling wind F flows from the front of the vehicle 1 to the rear. Raindrops and dust E adhering to the housing 13 are blown off by the traveling wind F and removed from the housing 13. Further, when the vehicle 1 travels, a swirl G due to the traveling wind F is generated in the pair of inclined portions 45 of the housing 13. The raindrops and dust E adhering to the pair of

inclined portions

45, 45 and the raindrops and dust E ejected from the front side relative to the pair of

inclined portions

45, 45 and adhering to the pair of inclined portions 45, 45 G is blown away and removed from the pair of

inclined portions

45, 45.

Next, with regard to the inclined portion 45 of the backward confirmation device 11 of the present embodiment, an experiment performed to study the set value of the predetermined angle α, and an experimental result thereof

In the experiment, five models having different inclination angles of the inclined portion 45 were used for the rear confirmation device 11 of the embodiment. The external shape of each model is the same as the external shape of the housing 13 of the embodiment. Each model has a slope similar to the slope 45 of the embodiment. The angle of the inclined portion of each model is set to 0 °, 2 °, 4 °, 6.5 °, and 8 °, respectively.

As mentioned above, the experiment about the amount of raindrops adhering to the rear face of each model at the time of driving was conducted in the following order using five models with different angles of the inclined portion.
(1) Attach colored water droplets to the top of the model. The water droplets correspond to raindrops and dust.
(2) Install the model in the wind tunnel equipment.
(3) The wind tunnel device is operated to artificially generate traveling wind. The wind speed of the traveling wind is 80 km / h.
(4) The model is left for a predetermined time in the wind tunnel device. When the predetermined time has elapsed, the wind tunnel device is stopped and the model is taken out of the wind tunnel device.
(5) Measure the amount of water droplets attached to the rear surface of the model. The rear surface of the model corresponds to the protection unit 21 of the information acquisition unit 17 in the embodiment.

FIG. 6 is a graph showing the relationship between the angle of the inclined portion of the model of the rear confirmation device and the amount of water droplets attached to the rear surface. The angle shown on the horizontal axis of the graph is the angle of the slope of the model. The water droplet adhesion amount shown on the vertical axis of the graph is the adhesion amount of water droplets adhering to the rear surface of the model. This graph is created based on the adhesion amount of water droplets obtained in the above experiment. As shown in the graph of FIG. 6, when the angle of the inclined portion in the model is set to 6.5 °, the amount of water droplets attached to the rear surface of the model is the smallest.

According to the above experimental results, when the predetermined angle α of the pair of

inclined portions

45, 45 is 6.5 °, the adhesion of raindrops and dust to the protection portion 21 of the information acquisition portion 17 is most suppressed It was confirmed that it was possible. Therefore, the predetermined angle α of the rear view confirmation device 11 according to the embodiment is set to a value obtained by adding a manufacturing error to 6.5 °, that is, in a range of 6 ° to 7 ° with respect to the front-rear direction of the vehicle 1 Is preferably set to 6.5 ° with respect to the front-rear direction of the vehicle 1.

Next, the operation and effect of the backward verification device 11 of the present embodiment will be described.

(1) According to the embodiment, the inclined portion 45 is provided on the rear end portion of the upper surface 31 and the rear end portion of the lower surface 33 of the housing 13 respectively. Thus, when the vehicle 1 travels, a swirl G is generated in the inclined portion 45 due to the traveling wind, and therefore raindrops and dust E adhering to the inclined portion 45 can be blown away and removed. Therefore, by providing the inclined portion 45 in the housing 13, the rear view confirmation device 11 according to the embodiment suppresses the adhesion of raindrops and dust E to the information acquisition unit 17 and causes the occupant to recognize information behind the vehicle 1. be able to. Therefore, compared with the prior art which provided the wiper apparatus, the back confirmation apparatus 11 of embodiment can suppress cost, and can make a passenger | crew confirm the information of the back of the vehicle 1 easily. Further, since the rear confirmation device 11 according to the embodiment does not use the wiper device as in the prior art, the installation space can be suppressed from being increased, and the degree of freedom in design can be improved.

Further, according to the embodiment, the information acquisition unit 17 is disposed on the front side of the rear end of the housing 13 and housed in the housing 13. Thus, for example, when the vehicle 1 is stopped or traveling at low speed, raindrops and dust adhering to the inclined portion 45 can be prevented from coming around inside the housing 13, and therefore raindrops and dust adhere to the information acquisition unit 17. Can be suppressed. Therefore, compared with a prior art, the back confirmation apparatus 11 of embodiment can improve the freedom degree of design while being able to suppress cost, and can make a passenger | crew recognize information on the back of the vehicle 1. FIG.

According to the embodiment, the predetermined angle α of the inclined portion 45 of the upper surface 31 and the predetermined angle α of the inclined portion 45 of the lower surface 33 are set to be substantially the same. As a result, the strength of the vortex G by the traveling wind generated on the inclined portion 45 of the upper surface 31 and the inclined portion 45 of the lower surface 33 becomes substantially the same. Therefore, the vortex G generated by the traveling wind F generated in the inclined portion 45 efficiently and efficiently removes and removes raindrops and dust E adhering to the inclined portion 45 of the upper surface 31 and the inclined portion 45 of the lower surface 33. be able to. Therefore, the backward verification device 11 according to the embodiment can efficiently suppress adhesion of raindrops and dust E to the information acquisition unit 17.

According to the embodiment, raindrops and dust E can be effectively removed by setting the predetermined angle α of the inclined portion 45 in the range of 6 ° to 7 ° with respect to the front-rear direction (horizontal direction) of the vehicle 1 Were confirmed by experiments. Therefore, the backward verification device 11 according to the embodiment can efficiently suppress adhesion of raindrops and dust E to the information acquisition unit 17.

According to the embodiment, the pair of side surfaces 35, 35 of the housing 13 are formed flat. As a result, generation of vortices in the portion other than the inclined portion 45 of the housing 13 can be suppressed, so that disturbance of the flow of the vortex G generated in the inclined portion 45 can be suppressed. Therefore, the vortex G generated in the inclined portion 45 can efficiently remove and remove raindrops and dust E adhering to the inclined portion 45. Therefore, the backward verification device 11 according to the embodiment can efficiently suppress adhesion of raindrops and dust E to the information acquisition unit 17.

According to the embodiment, since the inclined portion 45 is provided at a predetermined distance d rearward of the center C of the housing 13 in the front-rear direction (horizontal direction) of the vehicle 1, the inclined portion 45 is provided. The area of the slope 45 can be reduced compared to the case where the slope is provided from the front of the center C of the housing 13. Thereby, the rear confirmation device 11 according to the embodiment reduces the air resistance at the inclined portion 45 as compared with the case where the inclined portion is provided from the front of the center C of the housing 13 in the front-rear direction (horizontal direction) of the vehicle 1 As a result, the flow velocity of the vortex G generated in the inclined portion 45 can be improved. Therefore, the backward verification device 11 according to the embodiment can efficiently suppress adhesion of raindrops and dust E to the information acquisition unit 17.

According to the embodiment, since the housing 13 is attached to the side surface of the vehicle body 3, the rear confirmation device 11 of the embodiment is applied without giving a sense of discomfort to the design compared to a vehicle equipped with a conventional door mirror. can do. Further, since the information acquisition unit 17 is a camera that acquires a captured image of the rear of the vehicle 1 as information of the rear of the vehicle 1, for example, a monitor disposed in the vehicle compartment recognizes the information of the rear of the vehicle 1 It can be done. Therefore, it is possible to provide a high-performance backward verification device 11 that is easy to use.

The technical scope of the present invention is not limited to the above-described embodiment, and various modifications can be made without departing from the scope of the present invention.

In the embodiment, the imaging device 23 is adopted as the information acquisition unit 17. On the other hand, as the information acquisition unit 17, for example, a mirror may be employed instead of the imaging device 23, or both the imaging device 23 and the mirror may be employed.

In addition, it is possible to replace components in the above-described embodiment with known components as appropriate without departing from the spirit of the present invention.

According to the above-described rearview confirmation device, cost can be suppressed and the degree of freedom of design can be improved as compared with the prior art.

Reference Signs List 1 vehicle 3 vehicle body 11 rear view confirmation device 13 housing 17 information acquisition unit 31 upper surface 33 lower surface 35 side surface 45 inclined portion α predetermined angle

Claims

The rear confirmation device includes an information acquisition unit provided on a vehicle body of a vehicle for acquiring information on the rear of the vehicle and causing an occupant to recognize the information, and a housing that accommodates the information acquisition unit therein.
The housing has an upper surface facing the upper side in the vertical direction and a lower surface facing the lower side in the vertical direction,
The rear end portion of the upper surface and the rear end portion of the lower surface are provided with an inclined portion inclined at a predetermined angle so that the space between the upper surface and the lower surface narrows from the front to the rear of the vehicle. Rearward confirmation device characterized by.
The rear information confirmation device according to claim 1, wherein the information acquisition unit is disposed forward of a rear end of the housing and is stored in the housing.
The said predetermined angle of the said inclined part of the said upper surface and the said predetermined angle of the said inclined part of the said lower surface are set so that it may become substantially the same. Rear confirmation device.
The said predetermined angle is set so that it may become 6 degrees or more and 7 degrees or less with respect to a horizontal direction, The back confirmation apparatus of any one of the Claims 1-3 characterized by the above-mentioned.
The housing has a pair of side surfaces connecting the upper surface and the lower surface in the left-right direction of the vehicle,
The rear confirmation device according to any one of claims 1 to 4, wherein the pair of side surfaces are formed flat.
The rear end confirmation device according to any one of claims 1 to 5, wherein the inclined portion is provided at a predetermined distance rearward of a center of the housing in a horizontal direction.
The housing is attached to the side of the vehicle body,
The said information acquisition part is a camera which acquires the captured image of the back of the said vehicle as information of the back of the said vehicle, The back confirmation apparatus of any one of the Claims 1-6 characterized by the above-mentioned.