Every time the year is approaching, it is the time when the car theft is high. How to prevent theft of property in the car, on the one hand, we need to strengthen the anti-theft awareness, get off the car and remember to close the window. On the other hand, the owner is required to update the window anti-theft device to prevent the car owner from being stolen due to forgetting to close the window in time. Then, for the intelligent window closing system, the author will tell you about the types of modifications commonly used in the market.

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At present, the modification of the intelligent window closing system has become a hot spot. It is understood that the popular window shutters on the market basically use the controller installed on the car to make the original car realize automatic window closing.

Modification type one through time control

This type of modified product works by setting a certain amount of time to close the window, which uses the controller installed in the original car to function. Due to the varying lengths of different types of car windows, this product is set to "longest" time, such as 10 seconds. At the time of installation, the product was slightly more complicated, and about 9 lines were cut. Even a skilled technician would take an hour to install.

In general, this time-controlled window shutter is relatively inexpensive, but it is easy to burn the motor and the failure rate is relatively high.

Modification type 2 using program control

This type of retrofit solution adds simple program judgment to the "time-controlled" product. However, some manufacturers now use relatively inexpensive devices to control costs. As a result, it is easy to cause the product to malfunction. For example, the use of low-cost single-chip microcomputers, because of the low price, the memory capacity is small, generally maintained at 128-512 bytes. Such a capacity can only be set up with a simple judgment program. Therefore, in actual use, the accuracy is insufficient, and it is easy to cause "misoperation", a window of a certain car window is not in place, or a window is not closed. Some merchants use low-cost single-sided circuit boards, and single-sided circuit board components can only be soldered on one side.

Modified type three intelligent control

This kind of intelligent control window modification scheme has obvious differences in the working principle from the above two methods. It mainly uses the electronic module to recognize and combine, and uses the program set in the host chip to complete the detection function, so that the step of closing the window is completed smoothly. This product can detect the resistance of the window lift. When the window is closed, it can interrupt the power supply, protect the power window motor from damage, and make the battery not easily exhausted.

The author understands that this intelligent window closing system is seamless with the original car (the original car bayonet docking) is non-destructive (with no thread trimming installed), and can achieve the special effect of the car. At present, if you choose those professional intelligent control window modification The store, its scope of application has covered most of the models on the market. Since the design of the product is completely matched with the original car, the installation time is relatively shortened, basically only takes 20 minutes. However, its retail price will be twice as high as the previous two products.

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