Device for improving view of new energy bus
By installing telephoto cameras, short-focus cameras, radar probes and reversing radar hosts on buses, blind spot images can be monitored and displayed in real time and early warnings can be issued, thus solving the problem of blind spots in the bus field of vision and improving the driver's vision and safety.
Patent Information
- Application Number
- CN202423160779.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-20
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2034-12-20
AI Technical Summary
Existing buses have large blind spots, especially in the left and right A-pillar blind spots, and conventional optical rearview mirrors do not work well in rainy days and low light conditions, affecting the driver's observation of road conditions.
It uses a telephoto camera, a short-focus camera, a radar probe and a reversing radar host, combined with a display host to monitor and display the vehicle's dynamic blind spot images in real time, and issue a warning when the radar detects an obstacle.
It improves the all-round vision of buses and solves the safety driving problems caused by blind spots, especially in rainy days and low light conditions, reducing safety accidents due to limited vision.
Smart Images

Figure CN223456865U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to vehicle early warning device technical field, concretely relates to a device for improving the field of vision of new energy bus. BACKGROUND
[0002] The driver often has a large visual blind area when driving the current bus, especially in the left and right A column blind area, and the conventional optical rearview mirror also has the problem that it is easy to be contaminated with water droplets on the mirror surface in rainy days, causing the driver to be unable to see clearly, and lack of light at night, causing the driver to be unable to see the road conditions. This is also the problem that the present application aims to solve. SUMMARY
[0003] The technical problem to be solved by the utility model is to provide a device for improving the field of vision of a new energy bus, to solve the problem that the driver on the current bus has a large visual blind area when only using a conventional optical rearview mirror, and is easily affected by the environment, causing the driver to be unable to see the road conditions.
[0004] To solve the above problems, the utility model provides the following technical scheme:
[0005] A device for improving the field of vision of a new energy bus; it comprises a bus body, a display host, a long-focus camera, a short-focus camera, a radar probe and a reversing radar host;
[0006] The display host has two, and the two display hosts are respectively installed on the left and right two A columns on the front side inside the vehicle body;
[0007] The long-focus camera has two, and the two long-focus cameras are respectively installed at the positions near the roof on the left and right sides of the vehicle body outside the vehicle body;
[0008] The short-focus camera comprises a left short-focus camera and a right short-focus camera; the left short-focus camera is installed at the left A column position outside the vehicle body, and the right short-focus camera is installed on the bracket of the right rearview mirror of the vehicle body;
[0009] The camera ends of the left short-focus camera, the right short-focus camera and the long-focus camera are all arranged towards the rear and lower direction of the vehicle; the long-focus camera and the short-focus camera are connected to the display host through a cable;
[0010] The radar probe is arranged at the left and right positions of the vehicle body, and the height of the installation position of the radar probe on the vehicle body from the ground is in the interval [60 cm ~ 80 cm];
[0011] The reversing radar host is installed on the inner side of the vehicle body, and the reversing radar host is connected to the radar probe and the display host through a cable.
[0012] Preferably, the installation height of the display host on the left A pillar of the vehicle body is flush with the left side mirror of the vehicle body; and the installation height of the display host on the right A pillar of the vehicle body is greater than the installation height of the right side mirror of the vehicle body by 50-100mm.
[0013] Preferably, an L-shaped pad iron is arranged on the A pillar of the vehicle body, and the display host is installed through the L-shaped pad iron.
[0014] Preferably, a light-sensing hole is arranged on the display host, and the display host is a QVGA screen capable of automatically adjusting screen brightness.
[0015] Preferably, two long-focus cameras are symmetrically installed above the water trough at the A pillar positions of the left and right sides of the vehicle body, and the inclination angle between each long-focus camera and the horizontal plane is 30°.
[0016] Preferably, the inclination angle between the left short-focus camera and the right short-focus camera and the horizontal plane is 15°, and the installation height of the left short-focus camera is flush with the bottom of the left side mirror.
[0017] Preferably, the radar probe is provided with 8 probes, which are installed in pairs on the left and right sides of the A pillar, on the front and rear sides of the front wheel, on the front and rear sides of the rear wheel, and on the left and right sides of the tail of the vehicle body.
[0018] The device has the following beneficial effects:
[0019] The device can display monitoring images of the dynamic blind area of the vehicle in real time, eliminate the visual blind area on the left and right sides and the front of the vehicle, and provide a good field of view for the driver; compared with the traditional optical rearview mirror, the device has clearer images, a wider field of view, better visibility in rainy weather, and better visibility at night, thereby reducing safety driving accidents caused by the visual blind area; when the radar detects that there is a pedestrian or a vehicle approaching the A pillar blind area or the side radar, the electronic rearview mirror issues a red warning, and the beneficial effects of the device are as follows:
[0020] 1. All-around blind area assistance, solving the monitoring and display of the low-speed static and high-speed dynamic blind area of the commercial bus;
[0021] 2. Solving the reflection and glare problems of the traditional rearview mirror;
[0022] 3. Solving the problem that the passenger information at the station cannot be observed when the bus enters the station;
[0023] 4. Solving the problem that the distance between the washing and the road shoulder cannot be monitored when the washing and sweeping vehicle is operating on the roadside;
[0024] 5. Reducing safety driving accidents caused by the visual blind area when the vehicle is turning and changing lanes;
[0025] 6. Reduce the safe driving accidents caused by limited field of view when driving in weak light, rain and fog weather. BRIEF DESCRIPTION OF DRAWINGS
[0026] Figure 1 is the structural schematic diagram of the embodiment of the utility model in the embodiment;
[0027] Figure 2 is the position schematic diagram of the relative installation of 8 radar probes on the vehicle body in the embodiment;
[0028] Figure 3 is the connection schematic diagram between various electrical components in the embodiment;
[0029] BRIEF DESCRIPTION OF DRAWINGS: 1, vehicle body, 2, display host, 3, long-focus camera, 4, radar probe, 5, reversing radar host, 601, left short-focus camera, 602, right short-focus camera. DETAILED DESCRIPTION
[0030] The utility model will be further introduced in combination with the drawings and specific embodiments:
[0031] Embodiment:
[0032] Referring to Figure 1 , the embodiment provides a device for improving the field of view of new energy buses; it includes the vehicle body 1 of the bus, the display host 2, the long-focus camera 3, the short-focus camera, the radar probe 4 and the reversing radar host 5;
[0033] The display host 2 has two, and two display hosts 2 are installed on the left and right two A columns inside the vehicle body 1 respectively;
[0034] The long-focus camera 3 has two, and two long-focus cameras 3 are installed on the left and right sides of the vehicle body 1 respectively at the position close to the roof of the vehicle head;
[0035] The short-focus camera includes left short-focus camera 601 and right short-focus camera 602; left short-focus camera 601 is installed at the left A column position outside the vehicle body 1, and right short-focus camera 602 is installed on the bracket of the right side mirror of the vehicle body 1;
[0036] The camera end of left short-focus camera 601, right short-focus camera 602 and long-focus camera 3 is arranged towards the direction of the rear of the vehicle; long-focus camera 3 and short-focus camera are connected with display host 2 through cable;
[0037] The radar probe 4 is arranged at the left and right positions of the vehicle body 1, and the installation position of the radar probe 4 on the vehicle body 1 is in the interval [60 cm ~80 cm] in height from the ground;
[0038] The back-up radar host 5 is installed on the inner side of the vehicle body 1, and is connected with the radar probe 4 and the display host 2 through cables respectively.
[0039] The installation height of the display host 2 on the left A-pillar of the vehicle body 1 is flush with the left side rearview mirror of the vehicle body 1; the installation height of the display host 2 on the right A-pillar of the vehicle body 1 is greater than the installation height of the right side rearview mirror of the vehicle body 1 by 50-100mm.
[0040] An L-shaped pad iron is arranged on the A-pillar of the vehicle body 1, and the display host 2 is installed through the L-shaped pad iron.
[0041] A light-sensitive hole is arranged on the display host 2, and the display host 2 is a QVGA screen capable of automatically adjusting screen brightness.
[0042] The two long-focus cameras 3 are symmetrically installed above the water troughs at the A-pillar positions of the left and right sides of the vehicle body 1, and the inclination angle between each long-focus camera 3 and the horizontal plane is 30°.
[0043] The inclination angle between the left short-focus camera 601 and the right short-focus camera 602 and the horizontal plane is 15°; the installation height of the left short-focus camera 601 is flush with the bottom of the left side rearview mirror. When installing the left short-focus camera, only the upper cover of the camera shell needs to be removed, the three fixing hole positions on the base are fixed on the vehicle body by self-tapping, and then the camera core, the upper cover and the bottom shell are installed.
[0044] The radar probe 4 is provided with a total of 8, which are installed in pairs on the A-pillar sides, the front wheel rear sides, the rear wheel front sides and the tail sides of the vehicle body 1.
[0045] In the embodiment, the camera is connected by using a waterproof aviation plug, an aviation interface and corresponding cables; the maximum outer diameter of the wire harness is 16mm, the length of the injection molding joint is 40mm, the recommended opening size is not less than 18mm, and the general opening size is 20mm.
[0046] The parameters of the display host in the embodiment are as follows:
[0047] Screen size: 12.3-inch QVGA screen, resolution: 1920*720P, contrast ratio: 800:1;
[0048] Core hardware: full vehicle regulation level device;
[0049] Boot time: less than 2S (cold start);
[0050] System delay: less than 60mS;
[0051] Operating system: compliant with ISO26262 functional safety certification;
[0052] Brightness adjustment: with night brightness adjustment function;
[0053] Size: 340.5L * 143.6W * 136.5H mm;
[0054] Operating voltage: DC 16~32V;
[0055] Operating current: <3A 24V (whole set of work, including 2 host display and 4 camera);
[0056] Operating temperature: -40~+85℃;
[0057] Protection level: IP53;
[0058] Anti-vibration performance: in line with 10~25Hz (X\Y\Z direction 3g / 8h) test standards;
[0059] Salt spray resistance: 48h salt spray test standards;
[0060] Voltage interference: in line with C-1 positive 110V, C-2 positive 170V, D negative 320V test standards;
[0061] Reverse connection protection: yes;
[0062] The whole machine weight: about 1200g;
[0063] The instrument panel of the vehicle body is also provided with a buzzer capable of receiving signals from the display host, and the buzzer can realize the alarm sound for the two blind areas or radar obstacles.
Claims
1. A device for improving the field of view of a new energy bus, characterized by: It includes the bus body (1), display host (2), long-focus camera (3), short-focus camera, radar probe (4) and reversing radar host (5); The display host (2) has two, and the two display hosts (2) are respectively installed on the left and right two A pillars inside the vehicle body (1); The long-focus camera (3) has two, and the two long-focus cameras (3) are respectively installed on the left and right sides of the vehicle body (1) near the roof of the vehicle head; The short-focus camera includes a left short-focus camera (601) and a right short-focus camera (602); the left short-focus camera (601) is installed at the left A pillar position outside the vehicle body (1), and the right short-focus camera (602) is installed on the bracket of the right side mirror of the vehicle body (1); The camera end of the left short-focus camera (601), the right short-focus camera (602) and the long-focus camera (3) are all arranged towards the rear and downward direction of the vehicle; the long-focus camera (3) and the short-focus camera are connected with the display host (2) through a cable; The radar probe (4) is arranged at the left and right positions of the vehicle body (1), and the height of the installation position of the radar probe (4) on the vehicle body (1) is in the interval of [60 cm ~80 cm]; The reversing radar host (5) is installed on the inner side of the vehicle body (1), and the reversing radar host (5) is connected with the radar probe (4) and the display host (2) through a cable.
2. The device for improving the field of view of a new energy bus according to claim 1, characterized in that: The installation height of the display host (2) on the left A pillar of the vehicle body (1) is flush with the left side mirror of the vehicle body (1); the installation height of the display host (2) on the right A pillar of the vehicle body (1) is greater than the installation height of the right side mirror of the vehicle body (1) by 50~100mm.
3. The device for improving the field of view of a new energy bus according to claim 1, characterized in that: An L-shaped pad iron is arranged on the A pillar of the vehicle body (1), and the display host (2) is installed through the L-shaped pad iron.
4. The device for improving the field of view of a new energy bus according to claim 1, characterized in that: A light-sensitive hole is arranged on the display host (2), and the display host (2) is a QVGA screen that can automatically adjust the screen brightness.
5. The device for improving the field of view of a new energy bus according to claim 1, characterized in that: The two long-focus cameras (3) are symmetrically installed above the water channel at the A pillar position of the left and right sides of the vehicle body (1), and the inclination angle between each long-focus camera (3) and the horizontal plane is 30°.
6. The device for improving the field of view of a new energy bus according to claim 1, characterized in that: The inclination angle between the left short-focus camera (601) and the right short-focus camera (602) and the horizontal plane is 15°; the installation height of the left short-focus camera (601) is flush with the bottom of the left side mirror.
7. The device for improving the field of view of a new energy bus according to claim 1, characterized in that: The radar probe (4) is provided with 8, which are respectively installed on the A pillars of the vehicle body (1) on both sides, the front wheels on both sides, the rear wheels on both sides and the tail on both sides.