TechnologiesElectronics

Rearview camera with mirror and DVR

Electronic helpers of the motorist cover all possible directions of operation of the machine where they could benefit. Stabilization devices, parking radar and various security systems are only part of the modern complex of such assistants. From some of them it is possible to refuse the experienced driver, but there is a category of assistants whose presence will not be superfluous in any car. This includes a rear-view camera with a mirror, which allows you to timely assess the situation near the car in hard-to-reach areas.

Device Overview

This system is a competitive product in relation to parking sensors. Parking radars are used for automatic control of "blind" zones. Ultrasonic sensors send a signal to the central console, which fixes the critical distances to the nearest objects. In turn, a rear-view camera with a mirror gives the user the opportunity to independently monitor and assess the situation.

Instead of sensors in the area of the rear bumper, a miniature camera is installed. It captures and sends recorded data to the user. As a means of reproduction can act and a separate monitor on the control panel, and a rear-view mirror. There are different ways of delivering video material. Traditional systems work with cable lines, which are laid within the framework of the on-board power network infrastructure. Relieves of such troubles rear view camera with a wireless mirror, in which the signal is transmitted via radio modules. The receiver of the signal is also a monitor or a special mirror with a screen.

Basic Selection Parameters

The key operating parameter of this system is the viewing angle. It determines how the matrix will be covered in terms of visibility in relation to the "blind" zones. The simplest optics allows you to work with angles of the order of 90-110 degrees. Most mid-range models provide an optimal 170-degree visibility, which is considered sufficient. Also on the market is a rear-view camera with a mirror in 210-degree modifications, but it's not worth counting on a serious advantage from such an acquisition. Great visibility is compensated for by an equally high level of distortion.

An important characteristic is the quality of the "picture". Again, inexpensive representatives of the budget segment are provided with matrices with a resolution of up to 720x576. The lowest level and does offer modules of the format 582x500. But if you need a rear-view camera with a mirror and a DVR, you should not save on optics. To get a detailed and clear material, you need a model that supports HD and FullHD formats.

Additional Functionality

First of all, it is necessary to determine the availability of communication opportunities. Sophisticated motorists, for example, today do not represent electronics in the car without a Wi-Fi module and FM transmitter. Not so important is the GPS-sensor, but if you plan to refuse from a separate navigator, then this DVR should be added to the DVR function. The GPS system will provide data on the location of the car itself and significant infrastructure facilities. If you do not plan to regularly connect the camera with an on-board computer or server online storage, it will be superfluous to provide for a capacious memory card for 16-32 GB. As an ergonomic addition, a rear view camera with a rearview mirror can be provided with illumination. It will improve image quality in the dark and allow correct maneuvering in difficult conditions. LED lighting covers a radius of 5-10 m.

Why do I need a DVR?

The combination of several functions in one system is especially important when it comes to space constraints. Obviously, this problem is acute for motorists. Therefore, the conjugation of the two tools has its own meaning. This means that the same camera, located behind, will transmit to the user the video broadcast data and as information for maneuvering, and as a potential evidence in the event of an accident. That is, in terms of functionality, a rear-view camera with a mirror and a DVR gives only advantages. What will have to be sacrificed? It has already been noted that for a registrar a low quality is unacceptable, so it will be necessary to focus on models with qualitative matrices. Another aspect will be related to storing the recorded data. It will take a large amount of memory card or the ability to directly write to the central control unit.

Installing the system

Mounting operations relate to the installation of the camera and monitor. Optics are usually integrated into a special carrier platform. To do this, you can use a small plastic or metal frame, which includes a rear-view camera with a mirror. Installation by yourself can require the performance of locksmith operations. For example, miniature cylindrical bodies with matrices are integrated into a metal bumper, previously cutting out a hole of a suitable size.

The monitor is installed separately on the control panel. To save space, it is recommended to use models with built-in miniature display. This is the same rear view camera with a rear-view mirror, which contains a compact monitor. The installation of the mirror itself is carried out according to general rules with the help of brackets.

Connecting equipment

Even before the physical installation of the camera and the monitor, a cable management plan should be made. The wiring must provide an output to the battery pack, to the mirror with the display, the camera and, if necessary, to be able to connect to the on-board computer. Power is usually connected through the red connector in the camera, into which a line from the battery or cigarette lighter is inserted. The end of the power cord should be cleaned and connected to the plug of the power supply of the reverse lighting optics. Next, connect the yellow cable to the connector to ensure video transmission. The receiver of this information can act not only a monitor. The navigation complex and the radio can also receive a signal that the rear-view camera with the mirror captures. The installation of the complex will not be completed without performing cable protection. The wiring must be isolated so that it can not directly contact other circuits of the on-board power supply.

Device manufacturers

Few manufacturers, even from the leaders of the segment, are able to combine the DVR and the rear view camera. And yet such kits are presented by AVIS and BIGSON in the ICAM line. At once it is necessary to note, that similar production costs more expensively. In particular, AVIS products in the middle class are available for 10-12 thousand rubles. However, some budget options from little-known manufacturers also deserve attention. In the SKY lineup, for example, there is a low-cost rear-view camera with a mirror. Wireless, color and high-resolution modification CA-UNI-5D is available for only 2,5 thousand.

Conclusion

In the choice between the camera and the camera, many stop at the first option because the matrix optics is more sensitive to external influences. Therefore, when buying it is worth considering and the presence of protective shells at the camera itself. It is desirable to immediately apply to the marking for protection class. For example, the designation IP66 indicates that the rear view camera with a mirror has a reliable barrier in front of water splashes, dirt and dust. Increasing the index means that the equipment can even be completely immersed in water, and it will not lose its working function. It will also be superfluous to provide additional mechanical protection in advance, which are installed in a separate order.

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