Use of Car Camera Dash Cam
author: Ada Wu
2023-04-03
Use of Car Camera Dash Cam
Working Principle:
The camera power supply is connected to the reversing tail lamp. When the reverse gear is engaged, the camera synchronizes the power supply and enters the working state. The collected video information is sent to the wireless receiver placed in the front of the vehicle through a wireless transmitter. The receiver transmits the video information to the GPS navigator through the AV IN interface. This way, when the receiver receives a signal, regardless of any operating interface of the Gps navigator, The LCD screen will be preferentially provided for reversing video.
The difference between the use of a car mounted camera and a car mounted display and a car mounted DVD navigator, a portable GPS navigator, and the use of a car mounted display, the car mounted display does not need to be turned on, as long as the car mounted display is engaged in reverse gear, the car mounted display will automatically display the car mounted camera image; And car DVD navigation can only display car camera images when the phone is normally turned on. When using with a portable GPS navigator, it is necessary to turn on the navigator before displaying the image of the vehicle security camera system.
Installation Requirements:
With the rapid development of automotive electronics and security technology, vehicle mounted cameras have become indispensable hardware for traffic safety.
Next, let's introduce the installation skills and troubleshooting of automotive mobile video systems products.
1.The operating temperature of on-board cameras on the market is between 0-50 degrees Celsius, because they are located inside the vehicle, and the temperature requirements are higher than those of ordinary monitoring hosts. The main functions of on-board cameras are to monitor the working status of drivers and attendants, and to monitor unexpected times, providing good evidence for traffic accidents and functioning as a black box for vehicles.
2.There are generally two types of storage devices for cameras on the market: ordinary computer hard disks and SD cards. SD cards are characterized by good seismic resistance, but only a small storage space of about 8 hours, and high maintenance costs. Ordinary hard disks can support 300g and can record for one month.
3.In fact, in addition to monitoring functions, the dash cam also has multimedia playback, vehicle speed, license plate number, rotational speed overlay, driver information overlay, as well as GPS/gprs and wireless transmission functions.
4. Due to the special installation characteristics of the car camera dash cam, there are certain requirements when installing it. It needs to be small in size and light in installation, which cannot affect the riding environment of passengers, and it needs to be convenient and fixed, resulting in the impact of monitoring effects. There is a bit of seismic resistance. The most important thing is to have infrared lights to facilitate monitoring when the light is poor. It is recommended that you use a small hemisphere with built-in infrared light and a conch type camera.
5. Because the industry of car mounted cameras has just started, customers initially have low requirements for this color, and the price of color is relatively expensive. However, with the development of technology, color cameras will also become more and more widely used.
The installation cost of a bus mainly includes the following items: host cost, camera cost, hard disk, wire, and installation cost. Different host equipment prices are different, and the number and price of different cameras are also different. The host price itself in the market varies greatly.
Application
Restore Process:
In the event of traffic accidents such as rear-end collisions, injuries, and pedestrians caused by vehicle collisions and illegal overtaking, the recorder provides evidence and recording materials, and broadcasts the images back through carriers such as DVDs and mobile phones in the vehicle.
Avoid Fatigue Driving:
The dashcam monitors the driving time of the driver to avoid fatigue driving.
Safety Monitoring:
The dashcam constantly monitors the condition of the vehicle, and in combination with remote network control, it can shoot the inside and outside of the vehicle through instructions when the vehicle is lost, providing clues for retrieving the stolen vehicle.
Preventing Wheel Detachment
Frequently Inspect Tires:
Proper inspection and maintenance should be carried out when using the vehicle at ordinary times. There must be a warning before the wheel falls off. As long as daily and regular inspections are carried out, wheel shedding accidents can be avoided. Once abnormal conditions such as broken wheel bolts are found, do not continue driving. If a tire needs to be replaced during driving, and incorrect operation during tire replacement, etc., may cause wheel shedding and lead to major traffic accidents. When replacing a tire, the wheel bolts and nuts must be used correctly.
Daily Precautions:
The vehicle owner can also conduct a self inspection and visually inspect whether the bolts and nuts on the wheels are complete, rusty, cracked, or damaged. The inspection of wheel bolts can begin with the consistency of the protruding dimensions at the wheel nuts. If uneven conditions occur, it may cause the nuts to loosen or the bolts to break.
The main reason for tire detachment is due to bolts and nuts, but attention should also be paid to the tire carcass. The main purpose of regular vehicles is to inspect tires for cracks, damage, and abnormal wear, check the depth of tire grooves, and measure whether the tire pressure is within the specified range. If you drive with abnormal tire pressure, it may cause a tire to burst or explode, which can also pose a certain risk. Driving with very low tire pressure or continuing to drive after blasting will increase the pressure on the wheel bolts, which may lead to bolt breakage and tire detachment accidents.
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