CN217259819U

CN217259819U - Electronic outer rearview mirror system of commercial vehicle

Info

Publication number: CN217259819U
Application number: CN202123358793.9U
Authority: CN
Inventors: 郝庆凯
Original assignee: TIANHAN TECHNOLOGY (WUJIANG) CO LTD
Current assignee: TIANHAN TECHNOLOGY (WUJIANG) CO LTD
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-08-23
Anticipated expiration: 2031-12-29

Abstract

The utility model discloses a commercial vehicle electronic outside rear-view mirror system, which comprises a host machine, wherein the host machine is arranged in a vehicle and comprises a controller and an image processing device; the electronic rearview mirror assemblies are arranged on the left side and the right side of an A column of a cab of a vehicle and are connected with the host; the memory is connected with the output end of the image processing device and is used for storing standby collected image information; wherein, electron rear-view mirror subassembly includes the camera lens module, with display device and CMS controller that the camera lens module is connected. The utility model provides a commercial car electron outside rear-view mirror system, electron rear-view mirror subassembly are more nimble, solve the less difficulty of traditional rear-view mirror vision, replace traditional glass rear-view mirror with the camera lens module of wide angle camera, further reduce the vehicle windage, have enlarged the field of vision of vehicle image, still have the function that automatically regulated shows field of vision scope.

Description

Electronic outer rearview mirror system of commercial vehicle

Technical Field

The utility model belongs to the technical field of the automobile driving auxiliary system, specifically, relate to a commercial car electron outside rear-view mirror system.

Background

Early parking assist systems generally adopt radars or single-lens modules, and adopt a mode of sound alarm or display of video images of lens modules behind vehicles to help drivers of the vehicles judge the distance between the vehicles and obstacles at blind corners, but the radar alarm mode is adopted, and the distance display is not intuitive; by adopting the rear lens module mode, the problem of inaccurate judgment of the blind angle and the distance still exists, so the panoramic parking technology is gradually developed. The existing external rearview mirror of the truck consists of Class II and Class IV, and the rearview mirror system has more defects, such as fixed installation position, limited observation area, sight blind area, poor night vision effect, high oil consumption and the like.

The remote view of commercial vehicles is considered to be very desirable due to the high driver's seat position, but there are still many blind spots around the vehicle as viewed by the driver. The area around and behind the vehicle that is not visible can only be seen through the mirror. According to the current GB 15084-2013 requirements for the performance and installation of the indirect visual field device of the motor vehicle, at least six-side mirrors are required to be installed on vehicles with the category N2 being more than 7.5 tons and the category N3. These mirrors include two main rear-view mirrors (Class ii), two wide-angle rear-view mirrors (Class iv) and a passenger-side blind-supplementary mirror (Class v) and a front-view mirror (Class vi). Fig. 1 shows a mirror (passenger side) of a commercial vehicle with forced installation. The diversity of the mirrors and the difference in the field of vision increase the difficulty for the driver to observe the surroundings of the vehicle, who must monitor the road ahead and the currently mandatory 6 mirrors. In order to correctly acquire the outside view, the driver should observe which view mirror at what time, which will play a very important role in driving safety and protection of the outside personnel.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defect among the prior art, the utility model provides a commercial car electron outside rear-view mirror system has solved the problem of field of vision blind area, reduces the driver and sees the difficulty of 6 mirrors simultaneously, solves the less difficulty of traditional mirror visual angle simultaneously, replaces traditional glass rear-view mirror with the whole traditional that replace of electronic camera.

The utility model discloses a commercial car electron outside rear-view mirror system, include: a host machine installed inside a vehicle; the electronic rearview mirror assemblies are arranged on the left side and the right side of an A column of a cab of a vehicle and are connected with the host; the electronic rearview mirror assembly comprises a lens module, a display device and a CMS controller, wherein the display device and the CMS controller are connected with the lens module, and an image processing device is arranged in the CMS controller; and the memory is connected with the output end of the image processing device and is used for storing the standby collected image information.

Furthermore, in the electronic outside rear view mirror system for the commercial vehicle, the electronic rear view mirror assemblies are respectively and electrically connected with the host through the CAN.

Furthermore, above-mentioned commercial car electron outside rear-view mirror system, including set up the left electron rear-view mirror subassembly in driver's cabin left side A post, set up the right electron rear-view mirror subassembly in driver's cabin right side A post and set up and be in the blind electron rear-view mirror subassembly is mended to the right side on the right electron rear-view mirror subassembly.

Further, foretell commercial car electron outside rear-view mirror system, the camera lens module include optical sensor, with optical sensor electric connection's wide-angle camera, wide-angle camera sets up between protecgulum and well lid, optical sensor sets up between well lid and the back lid.

Further, in the above commercial vehicle electronic exterior mirror system, the angle of the wide-angle camera corresponding to the left electronic rear mirror assembly and the right electronic rear mirror assembly is 140 °.

Further, in the above commercial vehicle electronic outside rear view mirror system, the angle of the wide-angle camera corresponding to the right blind-repairing electronic rear view mirror assembly is 190 °.

Furthermore, in the electronic outside rear-view mirror system for the commercial vehicle, the wide-angle camera is provided with the heater.

Further, foretell commercial car electron outside rear-view mirror system, be equipped with temperature sensing device and heating power cord in the camera lens module, the temperature sensing device with CMS controller electric connection.

Furthermore, in the electronic outside rear view mirror system for the commercial vehicle, the host is connected with a vehicle computer through the CAN BUS.

Furthermore, foretell commercial car electron outside rear-view mirror system still includes alarm device, alarm device with host computer electric connection.

Above-mentioned technical scheme can find out, the utility model discloses following beneficial effect has:

1. the utility model discloses a commercial car electron outside rear-view mirror system, the wide angle camera angle of a plurality of electron rear-view mirror subassemblies is big, has increased the field of vision of image, makes the driver more easily discern, thereby increases the security in the driving process;

2. commercial car electron outside rear-view mirror system, combine with the radar of vehicle itself, discern the personnel that get into the blind area, prevent system's erroneous judgement, increased the secondary for the security of system and guaranteed.

3. The utility model discloses a commercial car electron outside rear-view mirror system, can arrange wide-angle lens and optical sensor in the protective range of different spaces, increased commercial car electron outside rear-view mirror system stability in the use;

4. the utility model discloses a commercial car electron outside rear-view mirror system, under the very low condition of night illuminance, commercial car electron outside rear-view mirror still can be clear obtains the image at night to guarantee the definition when working at night;

5. the utility model discloses a commercial car electron outside rear-view mirror system, can get rid of ice or fog in the electron rear-view mirror, make commercial car electron outside rear-view mirror system can work under the environment of lower temperature such as sleet day, increase commercial car electron outside rear-view mirror system to the adaptability of sleet day;

6. commercial car electron outside rear-view mirror system, installation alarm device can reduce the possibility that the occurence of failure in the bud state with the accident suppression.

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a lens module according to an embodiment of the present invention;

FIG. 2 is a schematic view of the connection relationship of the electronic exterior mirror system of the commercial vehicle according to the embodiment of the present invention;

fig. 3 is a schematic view of a connection relationship of the electronic rearview mirror assembly in the embodiment of the present invention.

Reference numerals of the above figures: 1-a host; 2-an electronic rearview mirror assembly; 21-a lens module; 211-a light sensor; 212-wide angle camera; 213-front cover; 214-middle cap; 215-rear cover; 216-a gasket; 217-heating power supply line; 218-a cable; 22-a display device; 23-CMS controller; 24-a left electronic rearview mirror assembly; 25-right electronic rearview mirror assembly; 26-right blind-mending electronic rearview mirror assembly; and 3, storing.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

It should be noted that, in the description of the present invention, the terms "first", "second", and the like are used for descriptive purposes only and for distinguishing similar objects, and no order is shown between the two, and no indication or suggestion of relative importance is understood. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

The present invention will be described in detail with reference to the accompanying drawings and examples.

As shown in fig. 1 to 3, the present embodiment provides an electronic exterior mirror system for a commercial vehicle, comprising:

a main machine 1 installed inside a vehicle;

the electronic rearview mirror assemblies 2 are arranged on the left side and the right side of a column A of a cab of a vehicle, so that the three electronic rearview mirror assemblies 2 respectively acquire images on the two sides of the vehicle, the image acquisition range of the electronic rearview mirror assemblies 2 is expanded, and the electronic rearview mirror assemblies 2 are connected with the host 1; the electronic rearview mirror assembly 2 includes a lens module 21, a display device 22 connected to the lens module 21, and a CMS controller 23, wherein an image processing device (not shown) is disposed in the CMS controller 23; the lens module 21 is electrically connected with the display transfer module 22 through LVDS, the lens module 21 is responsible for collecting images and then transmitting the images to the CMS controller 23, a sensor code stream signal is transmitted to the host 1 through a TX signal, the host performs decoding operation through an RX signal and then transmits the decoded image to a display device through the TX signal of the host SOC for displaying the images; the electronic rearview mirror assembly 2 can change camera parameters and adjust an aperture; or processing the image by an image processing device, processing the acquired image into a digital signal and transmitting the digital signal to the CMS controller 23, actively adjusting the brightness by a high dynamic range imaging technology, and obtaining a clear view even under the condition of insufficient external light, so that the display device 22 presents a suitable picture.

The display device 22 may include an LED display screen. The LED display screen is used for displaying the image acquired by the lens module. Because the LED display screen has the advantage of high luminous intensity, the display device 22 can still keep the image at a high definition in case of strong illumination. In addition, the LED display screen has the advantages of long service life and energy conservation, so that the durability of the display device can be improved.

The memory 3 is connected with the output end of the image processing device and is used for storing the standby collected image information; the memory 3 can be an eMMS or an SD, the three electronic rearview mirror assemblies 2 can perform an image recording function, images are stored on the eMMS or the SD, and evidence reference of responsibility is determined when traffic accidents occur.

By means of the structure, the three electronic rearview mirror assemblies 2 are respectively and independently connected with the host 1, the lens module 21 is responsible for collecting images and then transmitting the images to the CMS controller 23, the images are processed and then displayed on the display device 22, the images in the current electronic rearview mirror assemblies 2 can be stored for later use through the memory, and can be read from the memory when image recording is needed subsequently, so that the electronic exterior rearview mirror system for the commercial vehicle is realized, the electronic rearview mirror assemblies are more flexible, the difficulty that the vision of the conventional rearview mirror is small is solved, the lens module of the wide-angle camera is used for replacing the conventional glass rearview mirror, the wind resistance of the vehicle is further reduced, the vision of the vehicle images is expanded, the electronic exterior rearview mirror system also has the function of automatically adjusting the display vision range, the turning is automatically adjusted, the speed is high, and the vision range during backing is enlarged; the ice or fog in the electronic rearview mirror can be removed, so that the electronic rearview system for the vehicle can work in the environment with lower temperature such as rainy and snowy days, and the adaptability of the electronic rearview system for the vehicle to the rainy and snowy days is improved.

Specifically, in this embodiment, the plurality of electronic rearview mirror assemblies are electrically connected to the host through the CAN, respectively. CMS controller that a plurality of electronic rearview mirror subassembly 2 correspond passes through CAN and host computer 1 electric connection alone, and three electronic rearview mirror subassembly 2 autonomous working, the reliability is higher.

Specifically, in this embodiment, the electronic rearview mirror assembly comprises a left electronic rearview mirror assembly arranged on a left a-pillar of a cab, a right electronic rearview mirror assembly arranged on a right a-pillar of the cab, and a right blind-repairing electronic rearview mirror assembly arranged on the right electronic rearview mirror assembly. Left side electron rear-view mirror subassembly and right electron rear-view mirror subassembly can be two 15 cun A post electron rear-view mirror display screens, and the blind electron rear-view mirror subassembly of right side benefit can be a 10.1 cun blind electron rear-view mirror display screen of benefit, and double curvature controller (integrated in electron rear-view mirror display screen), three possess digital high definition, big visual angle, anti-dazzle, wide developments, low illumination, highlight suppression, multilayer coating film camera and relevant installing support annex are constituteed. The left electronic rearview mirror assembly and the right electronic rearview mirror assembly can replace a II/IV traditional external rearview mirror, and the right blind-repairing electronic rearview mirror assembly can replace a V/VI traditional external rearview mirror; the II/IV type display picture is respectively captured from the picture of the camera by one lens module, the II type mirror uses 75% of photosensitive area of the upper half part of the Sensors to display a main picture, and the IV type mirror uses 90% of photosensitive area of the lower half part of the Sensors to display a wide-angle part. Therefore, the II meeting the regulation requirements is mainly used for observing the conditions of two sides of the vehicle, and the IV type can have wider visual angle and is mainly used for making up the deficiency of the visual angle of the main rearview mirror. Compared with the traditional rearview mirror with the original 4 ear shapes, the electronic rearview mirror assembly 2 has the advantages that the area is reduced by 2/3, rearview mirrors are replaced by three lens modules, the wind resistance of a vehicle is further reduced, aerodynamics are better optimized, and positive significance is achieved on oil consumption and wind noise.

Specifically, in this embodiment, the lens module 21 includes an optical sensor 211 and a wide-angle camera 212 electrically connected to the optical sensor 211, the wide-angle camera 212 is disposed between a front cover 213 and a middle cover 214, and the optical sensor 211 is disposed between the middle cover 214 and a rear cover 215. The optical sensor 211 can adopt a sony low-illumination optical sensor, so that under the condition that the illumination is very low at night, the electronic external rearview system of the commercial vehicle can still clearly acquire images at night, and the definition of the electronic external rearview system at night is guaranteed. The wide-angle camera 212 is used for acquiring images, so that the volume of the whole electronic rearview mirror assembly is smaller than that of an optical lens, and the wind resistance of a vehicle is reduced. The wide-angle camera 212 can obtain a larger field of view because its angle of view is larger.

The wide-angle camera 212 may be disposed between the front cover 213 and the middle cover 214, the front cover 213 may be opened with a through opening, and the wide-angle camera 212 may be disposed corresponding to the opening, so that the wide-angle camera 212 may acquire an image outside the front cover 213. A waterproof gasket 216 may be provided between the wide angle camera 212 and the front cover 213, thereby reinforcing and stabilizing the wide angle camera 212. The optical sensor 211 may be disposed between the middle cover 214 and the rear cover 215 such that the wide angle camera 212 and the optical sensor 211 are spaced apart by the middle cover 214, and interference between the wide angle camera 212 and the optical sensor 211 during use or assembly may be prevented. Therefore, the wide-angle camera 212 and the optical sensor 211 can be arranged in the protection ranges of different spaces, and the stability of the electronic outside rear-view mirror system of the commercial vehicle in the using process is improved. The middle cover 214 may be opened with a passing hole for connecting the wide angle camera 212 and the optical sensor 211 so that the wide angle camera 212 and the optical sensor 211 can be connected to each other. Waterproof gaskets 216 can be respectively arranged between the front cover 213 and the middle cover 214 and between the middle cover 214 and the rear cover 215, so as to stabilize and reinforce the front cover 213 and the middle cover 214, the middle cover 214 and the rear cover 215, the waterproof gaskets 216 ensure that the lens module 21 can normally work in a severe environment, and the lens module 21 further comprises a cable 218 connected with the display device 22.

Specifically, in this embodiment, through the utility model people's repetition test, the angle of the wide-angle camera that left side electron rear-view mirror subassembly and right side electron rear-view mirror subassembly correspond is 140, the angle of the wide-angle camera that blind electron rear-view mirror subassembly corresponds is mended on the right side is 190 for the wide-angle camera can acquire bigger field of vision, thereby can be so that in the image that electron rear-view mirror subassembly acquireed, the field of vision blind area is less, has increased the field of vision that whole commercial vehicle electron rear-view outside mirror system acquireed. The driver can acquire more information outside the vehicle in the driving process, so that the safety of the vehicle in the driving process is improved.

Specifically, in this embodiment, a heater (not shown) is provided on the wide-angle camera.

Specifically, in this embodiment, a temperature sensing device and a heating power line 217 are disposed in the lens module, and the temperature sensing device is electrically connected to the CMS controller. The temperature sensing device can be used for sensing the temperature of the electronic rearview mirror assembly 2, so that a temperature signal sensed to the electronic rearview mirror assembly 2 can be transmitted to the heater, and the temperature of the heater can be controlled. When the temperature sensing device senses that the temperature of the electronic rearview mirror assembly 2 is low, the electronic rearview mirror assembly 2 may be frozen or fogged, and the like, so that image collection is affected. The temperature sensing device controls the heater to heat, and enables the heater to heat the whole electronic rearview mirror assembly 2, so that ice or fog in the electronic rearview mirror assembly 2 can be removed, the electronic outside rearview mirror system of the commercial vehicle can work in the environment with lower temperature such as rainy and snowy days, and the adaptability of the electronic outside rearview mirror system of the commercial vehicle to the rainy and snowy days is improved. The heater can be an electric heating piece, and of course, in other alternative embodiments, the material of the heater can be adjusted according to actual needs.

Specifically, in this embodiment, the host is connected to the vehicle computer through the CAN BUS.

Specifically, in this embodiment, the system further includes an alarm device (not shown in the figure), and the alarm device is electrically connected to the host. The alarm device can be provided with an audio output structure, can inform a driver of a warning mark on the display device through sound, timely processes abnormity, particularly reminds the driver to be more important when the driver starts driving, can inhibit accidents in a bud state, and reduces the possibility of accidents.

The utility model discloses the principle and the implementation mode of the utility model are explained by applying the concrete embodiment, and the explanation of the above embodiment is only used for helping to understand the technical scheme and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.

Claims

1. A commercial vehicle electronic exterior mirror system, comprising:

a host machine installed inside a vehicle;

the electronic rearview mirror assemblies are arranged on the left side and the right side of a column A of a cab of a vehicle and are connected with the host;

the electronic rearview mirror assembly comprises a lens module, a display device and a CMS controller, wherein the display device and the CMS controller are connected with the lens module, and an image processing device is arranged in the CMS controller;

and the memory is connected with the output end of the image processing device and is used for storing the standby collected image information.

2. The electronic exterior mirror system for a commercial vehicle according to claim 1, wherein a plurality of the electronic rear view mirror assemblies are electrically connected to the main unit through respective CAN.

3. The electronic exterior mirror system for commercial vehicles according to claim 1, comprising a left electronic rear-view mirror assembly disposed at the left a-pillar of the cab, a right electronic rear-view mirror assembly disposed at the right a-pillar of the cab, and a right blind-fill electronic rear-view mirror assembly disposed above the right electronic rear-view mirror assembly.

4. The electronic exterior mirror system for commercial vehicles according to claim 3, wherein the lens module comprises an optical sensor and a wide-angle camera electrically connected with the optical sensor, the wide-angle camera is disposed between the front cover and the middle cover, and the optical sensor is disposed between the middle cover and the rear cover.

5. The electronic exterior mirror system for commercial vehicles according to claim 4, wherein the wide-angle cameras corresponding to the left and right electronic rear-view mirror assemblies have an angle of 140 °.

6. A commercial vehicle electronic exterior mirror system according to claim 4, wherein the right blind-correction electronic exterior mirror assembly corresponds to a wide-angle camera with an angle of 190 °.

7. The electronic exterior mirror system for commercial vehicles according to claim 4, wherein a heater is provided on the wide-angle camera.

8. The electronic exterior mirror system for a commercial vehicle of claim 4, wherein a temperature sensing device and a heating power line are disposed in the lens module, and the temperature sensing device is electrically connected to the CMS controller.

9. The electronic exterior mirror system for commercial vehicles according to claim 1, wherein the host is connected to the vehicle computer through a CAN BUS.

10. The electronic exterior mirror system for commercial vehicles according to claim 1, further comprising an alarm device electrically connected to the main frame.