New energy electric vehicle blind area early warning system

Abstract

The utility model discloses a new energy electric vehicle blind area early warning system which comprises a first electronic rearview mirror and a second electronic rearview mirror which are installed on the left side of an inner A column and the right side of an inner B column of a vehicle respectively, the bottom of the first electronic rearview mirror is aligned with the bottom of a left reversing rearview mirror, and the view field of the second electronic rearview mirror is flush with the view field of a right reversing rearview mirror. Long-focus cameras are symmetrically installed above vehicle head gutter channels on the left side and the right side of a vehicle respectively, and near-focus cameras are installed on a vehicle body outer column A and a vehicle body outer column B respectively. Radar probes are respectively arranged on two sides of front wheels and two sides of rear wheels of the vehicle and are electrically connected with the radar host; the radar host, the near-focus camera and the long-focus camera are electrically connected with the controller and then electrically connected to the electronic rearview mirror through signal patch cords. The device is linked with an instrument, all-directional blind area assistance is achieved, the driving risk caused by light reflection and glare of a traditional rearview mirror is avoided, and the driving safety problem is solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of new energy electric vehicles, and specifically relates to a blind spot warning system for new energy electric vehicles. Background Art

[0002] At present, new energy electric vehicles still use traditional optical mirrors and rearview mirrors to view the surrounding scenes of the vehicle body, so as to facilitate the driver's operation and avoid risks. However, traditional optical mirrors and rearview mirrors still have blind spots when in use, and there are problems such as rearview mirror reflection and glare, which bring certain risks to the driver's operation and easily lead to safe driving accidents. Utility Model Content

[0003] The purpose of the utility model is to provide a blind spot warning system for new energy electric vehicles, all-round blind spot assistance, solve the low-speed static and high-speed dynamic blind spot monitoring display of commercial vehicles, solve the reflection and glare problems of traditional rearview mirrors, and improve driving safety.

[0004] The technical solution adopted by the utility model is a blind spot warning system for new energy electric vehicles, comprising:

[0005] The electronic rearview mirror includes an electronic rearview mirror 1 and an electronic rearview mirror 2 which are respectively installed on the left side of the A-pillar and the right side of the inner B-pillar of the vehicle, the bottom of the electronic rearview mirror 1 is aligned with the bottom of the left side reversing rearview mirror, and the installation height of the electronic rearview mirror 2 is the same as that of the electronic rearview mirror 1 or is raised by 50 to 100 mm to keep it flush with the field of view of the right side reversing rearview mirror;

[0006] The telephoto cameras are symmetrically installed above the water troughs on the left and right sides of the vehicle, flush with the water troughs, with a field of view 30° downward to the rear of the vehicle;

[0007] The close-focus cameras are installed on the A-pillar and B-pillar of the vehicle body, with a downward field of view and 15° to the rear. The installation height is flush with the bottom of the rearview mirror.

[0008] Radar probes are respectively installed on both sides of the front wheels and the rear wheels of the vehicle and are electrically connected to the radar host;

[0009] The radar host, the near-focus camera and the long-focus camera are electrically connected to the controller respectively and then electrically connected to the electronic rearview mirror through a signal adapter cable.

[0010] Preferably, it also includes an ultrasonic sensor, and a plurality of ultrasonic sensors are respectively installed at the insurance position and both sides of the vehicle body and are electrically connected to the controller.

[0011] Preferably, the mounting base of the electronic rearview mirror is fixed to the inner A-pillar or the inner B-pillar using PA6*x dovetail self-tapping screws, and the electronic rearview mirror and the mounting base are fixed using L-shaped hexagonal bolts to fix the viewing angle of the electronic rearview mirror. The power cord of the electronic rearview mirror is pre-buried inside the inner A-pillar or the inner B-pillar, and the signal adapter cable is pierced near the mounting base and connected to the power harness.

[0012] Preferably, a washer is provided between the electronic rearview mirror and the inner A-pillar or the inner B-pillar. If the inclination angle of the inner A-pillar or the inner B-pillar is too large, an L-shaped washer is provided on the inner A-pillar or the inner B-pillar.

[0013] Preferably, the base of the telephoto camera is mounted on the vehicle body through fixing holes using self-tapping screws, and the movement and upper cover of the telephoto camera are fixed on the base.

[0014] Preferably, the telephoto camera adopts side or bottom wiring outlet, the telephoto camera adopts SX-12 aviation interface, the maximum outer diameter of the wiring harness is 16mm, the injection molded joint is 40mm long, the opening size is not less than 18mm, and the universal opening size is 20mm.

[0015] Preferably, the fixing point of the telephoto camera is sealed from the inside of the skin, and the opening of the telephoto camera is sealed with waterproof glue.

[0016] Preferably, the base of the near-focus camera is fixed to the vehicle body through fixing holes using self-tapping screws, and then the movement, upper cover and base of the camera are fixed.

[0017] Preferably, the installation height of the radar probe is H≥60cm and H≤80cm.

[0018] Preferably, the telephoto camera and the close-focus camera are both night vision anti-glare cameras.

[0019] Compared with the prior art, the beneficial effect of the utility model is that by installing electronic rearview mirrors on the left side of the A-pillar and the right side of the inner B-pillar in the vehicle, radar signals and ultrasonic measurement signals are received and corresponding area flash screen prompts are displayed on the display screen, and the instrument is linked. When the radar and ultrasonic sensors detect obstacles, the instrument can give an alarm reminder, and all-round blind spot assistance can solve the low-speed static and high-speed dynamic blind spot monitoring display of commercial vehicles, avoid driving risks caused by reflection and glare of traditional rearview mirrors, and solve driving safety problems. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 Arrange the main view for the electronic rearview mirror radar blind spot warning system;

[0021] Figure 2 Arrange the side view of the electronic rearview mirror radar blind spot warning system;

[0022] Figure 3 Arrange a bottom view for the electronic rearview mirror radar blind spot warning system;

[0023] Figure 4 This is a schematic diagram of the electronic rearview mirror installation. DETAILED DESCRIPTION

[0024] The present invention will be further explained below in conjunction with the accompanying drawings to facilitate better understanding by those skilled in the art.

[0025] Example 1

[0026] like Figure 1-4 As shown, a blind spot warning system for new energy electric vehicles includes: an electronic rearview mirror 1, a telephoto camera 2, a close-focus camera 3, a radar probe 4, a radar host 5 and an ultrasonic sensor 6. The ultrasonic sensor 6, the radar host 5, the close-focus camera 3 and the telephoto camera 2 are respectively electrically connected to the controller and electrically connected to the electronic rearview mirror 1 using a signal adapter cable.

[0027] Among them, the telephoto camera 2 and the close-focus camera 3 both adopt night vision anti-glare cameras. Electronic rearview mirror 1 display screen: 12.3 inch QVGA screen, resolution: 1920*720P, contrast: 800:1; core hardware: full vehicle-grade devices, boot time: less than 2S (cold start), system delay: less than 60mS, operating system: in line with ISO26262 functional safety certification, brightness adjustment: with night brightness adjustment function, dimensions: 340.5L * 143.6W * 136.5H mm, working voltage: DC16~32V, working current: <3A 24V (whole set of work, including 2 host displays and 4 cameras), working temperature: -40~+85, protection level: IP53, seismic performance: in line with 10~25Hz (X\Y\Z direction 3g / 8h) test standards, salt spray resistance: 48h salt spray test standards, voltage interference: in line with C-1 forward 110V, C-2 forward 170V, D Reverse 320V test standard, reverse connection protection: yes, whole machine weight: about 1200g. Reversing radar parameters: Model: SA602, working voltage: 18-32VDC, power consumption: ≤5W, working temperature: -40℃~+75℃, equipment function: can see the A-pillar blind spot and ensure safety; adopts automotive-grade operating system, no black screen or crash, and the boot time is less than 2s; receives radar signals and displays the corresponding area flash screen prompt on the display; can be linked with the instrument, when the radar detects an obstacle, the instrument can alarm and remind; can realize background and cloud monitoring; the electronic rearview mirror 1 screen must have left and right adjustment function, and the adjustment range is greater than 90°; the electronic rearview mirror 1 screen connection bracket must have at least two connection fulcrums to ensure anti-seismic performance; the electronic rearview mirror 1 has the function of display image adjustment, and the brightness, viewing angle and display image range can be adjusted through buttons or central control.

[0028] The above-mentioned electronic rearview mirror 1 adopts two, including an electronic rearview mirror 1 101 installed on the left side of the A-pillar 7 in the vehicle and an electronic rearview mirror 2 102 installed on the right side of the inner B-pillar 8. The bottom of the electronic rearview mirror 101 is aligned with the bottom of the left reversing rearview mirror; the electronic rearview mirror 2 102 is installed at the same height as the electronic rearview mirror 101 or is raised by 50~100mm, and keeps it flush with the field of view of the right reversing rearview mirror.

[0029] A washer 9 is provided between the electronic rearview mirror 1 and the inner A-pillar 7 or the inner B-pillar 8, on the one hand to prevent the screen from shaking during driving and affecting the driver's field of view, and on the other hand to avoid direct drilling of holes in the inner A-pillar 7 or the inner B-pillar 8, which would result in the inability to seal the glue and cause the risk of water ingress to the inner A-pillar 7 or the inner B-pillar 8. If the inclination angle of the inner A-pillar 7 or the inner B-pillar 8 is too large, an L-shaped washer is provided on the inner A-pillar 7 or the inner B-pillar 8 to ensure that the imaging field of the electronic rearview mirror display screen is as vertical as possible to the driver's field of view.

[0030] The electronic rearview mirror 1 includes a mounting base and a display screen. There is a photosensitive hole below the display screen (the display screen can automatically adjust the screen brightness according to the change of light brightness). It is necessary to ensure that this hole is located below the display screen. Incorrect installation methods may cause the display screen to fall off and cause damage. The mounting base is fixed to the inner A-pillar 7 or the inner B-pillar 8 using PA6*x dovetail self-tapping screws, and the screw cap is covered; then the screw cap on the back of the display screen is unscrewed, the display host is connected to the mounting base, and the screw cap is tightened; adjust the display screen relative to the driver's field of view (the host display screen can be rotated 150° left and right relative to the mounting base), and the bolts on the rotating shaft are fixed with L-shaped hexagonal bolts to fix the viewing angle of the display screen. The display screen power line is pre-buried inside the inner A-pillar 7 or the inner B-pillar 8, and the signal adapter line is perforated near the base position and goes together with the power harness to avoid large-area lead exposure.

[0031] Two telephoto cameras 2 are symmetrically mounted above the water troughs on the left and right sides of the vehicle, flush with the water troughs, with a field of view 30° downward to the rear of the vehicle. There are four fixing holes on the base of the telephoto camera 2, which are installed on the vehicle body through the fixing holes using self-tapping screws, and then the camera core and the upper cover are fixed on the base, and the field of view is adjusted.

[0032] Furthermore, the telephoto camera 2 uses side or bottom outlets, the telephoto camera uses an SX-12 aviation interface, the maximum outer diameter of the wiring harness is 16mm, the injection joint is 40mm long, the opening size is not less than 18mm, and the general opening size is 20mm. The fixing point of the telephoto camera 2 is sealed from the inside of the skin, and the opening of the telephoto camera 2 is sealed with waterproof glue.

[0033] The close-focus camera 3 is installed on the outer A-pillar 10 and the outer B-pillar 11 of the vehicle body, with a downward field of view and 15° to the rear. The installation height is flush with the bottom of the rearview mirror. There are three fixing holes on the base of the close-focus camera 3. Self-tapping screws are used to fix it to the vehicle body through the fixing holes, and then the camera's movement, upper cover and base are fixed.

[0034] There are at least eight radar probes 4, which are respectively installed on both sides of the front wheels and the rear wheels of the vehicle and are electrically connected to the radar host 5; the installation height of the above radar probes 4 is H≥60cm (when fully loaded) and H≤80cm.

[0035] Multiple ultrasonic sensors 6 are respectively installed at the insurance position and both sides of the vehicle body and are electrically connected to the controller. They measure the distance to obstacles by emitting high-frequency ultrasonic waves and receiving reflected beams, and realize sound alarms in the blind spots on both sides in combination with the instrument buzzer.

[0036] Working principle: The telephoto camera 2 and the close-focus camera 3 collect monitoring images, feed them back to the controller for judgment, analysis and warning, and give an alarm prompt to the display screen; the radar probe 4 and the ultrasonic sensor 6 collect the distance information of obstacles around the vehicle, feed them back to the controller for judgment, and the display screen displays the current information for the convenience of the driver's operation.

[0037] The above-mentioned embodiments are only for describing the preferred implementation of the utility model, and are not intended to limit the scope of the utility model. Without departing from the design spirit and principle of the utility model, various modifications and improvements made by those skilled in the art to the technical solution of the utility model shall fall within the protection scope determined by the claims of the utility model.

Claims

1. A blind spot warning system for new energy electric vehicles, characterized in that: include: The electronic rearview mirror (1) comprises an electronic rearview mirror 1 (101) and an electronic rearview mirror 2 (102) respectively installed on the left side of the A-pillar (7) and the right side of the B-pillar (8) in the vehicle, wherein the bottom of the electronic rearview mirror 1 (101) is aligned with the bottom of the left side reversing rearview mirror, and the installation height of the electronic rearview mirror 2 (102) is the same as that of the electronic rearview mirror 1 (101) or is raised by 50 to 100 mm to keep it flush with the field of view of the right side reversing rearview mirror; The telephoto cameras (2) are symmetrically mounted above the water troughs on the left and right sides of the vehicle, flush with the water troughs, with a field of view 30° downward to the rear of the vehicle; The close-focus cameras (3) are respectively mounted on the outer A-pillar (10) and the outer B-pillar (11) of the vehicle body, with a field of view downward and 15 degrees to the rear, and the installation height is flush with the bottom of the rearview mirror; Radar probes (4) are respectively mounted on both sides of the front wheels and the rear wheels of the vehicle and are electrically connected to the radar host; The radar host (5), the close-focus camera (3) and the long-focus camera (2) are respectively electrically connected to the controller and then electrically connected to the electronic rearview mirror (1) using a signal adapter cable.

2. A blind spot warning system for new energy electric vehicles according to claim 1, characterized in that: The invention also comprises an ultrasonic sensor (6), wherein a plurality of ultrasonic sensors (6) are respectively installed at the insurance position and at both sides of the vehicle body and are electrically connected to the controller.

3. A blind spot warning system for new energy electric vehicles according to claim 1, characterized in that: The mounting base of the electronic rearview mirror (1) is fixed to the inner A-pillar (7) or the inner B-pillar (8) by using PA6*x dovetail self-tapping screws, and the electronic rearview mirror (1) and the mounting base are fixed by using L-shaped hexagonal bolts to fix the viewing angle of the electronic rearview mirror (1). The power line of the electronic rearview mirror (1) is pre-buried inside the inner A-pillar (7) or the inner B-pillar (8), and the signal adapter line is pierced near the mounting base position and connected with the power line harness.

4. A blind spot warning system for new energy electric vehicles according to any one of claims 1 or 3, characterized in that: A washer (9) is provided between the electronic rearview mirror (1) and the inner A-pillar (7) or the inner B-pillar (8). If the inner A-pillar (7) or the inner B-pillar (8) has an excessively large tilt angle, an L-shaped washer is provided on the inner A-pillar (7) or the inner B-pillar (8).

5. A blind spot warning system for new energy electric vehicles according to claim 1, characterized in that: The base of the telephoto camera (2) is mounted on the vehicle body through fixing holes using self-tapping screws, and the movement and upper cover of the telephoto camera (2) are fixed on the base.

6. A blind spot warning system for new energy electric vehicles according to claim 5, characterized in that: The telephoto camera (2) uses side or bottom wiring, adopts SX-12 aviation interface, the maximum outer diameter of the wiring harness is 16mm, the length of the injection molded connector is 40mm, the opening size is not less than 18mm, and the general opening size is 20mm.

7. A blind spot warning system for new energy electric vehicles according to claim 6, characterized in that: The fixing point of the telephoto camera (2) is sealed with glue from the inside of the skin, and the opening of the telephoto camera (2) is sealed with waterproof glue.

8. A blind spot warning system for new energy electric vehicles according to claim 1, characterized in that: The base of the close-focus camera (3) is fixed to the vehicle body through the fixing holes using self-tapping screws, and then the camera movement, the upper cover and the base are fixed.

9. A blind spot warning system for new energy electric vehicles according to claim 1, characterized in that: The radar probe (4) is installed at a height H≥60 cm and H≤80 cm.

10. A blind spot warning system for new energy electric vehicles according to claim 1, characterized in that: The telephoto camera (2) and the close-focus camera (3) are both night vision anti-glare cameras.

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