Where can I transfer the car in Xuchang?

Most auto repair shops in Xuchang can change watches:

Xuchang, known as Xuzhou in ancient times, is a prefecture-level city in Henan Province, a regional central city in the Central Plains urban agglomeration, a transportation and logistics hub city in the Central Plains Economic Zone, an important advanced manufacturing base in China, and a famous historical and cultural city in the Han and Wei Dynasties.

Located in the middle of Henan Province, it is adjacent to Zhoukou City in the east, Luohe City in the south, Pingdingshan City in the west, Zhengzhou City in the north and Kaifeng City in the northeast, with a total area of 4,996 square kilometers. According to the data of the seventh census, as of 0: 00 in 2020, the permanent population of Xuchang City is

The instruments on the dashboard of different cars are different, but the conventional instruments of general cars include speedometer, tachometer, oil pressure gauge, water temperature gauge, fuel gauge and charging gauge. ?

In modern automobiles, automobile instruments also need to be equipped with voltage regulators, which are specially used to stabilize the voltage of instrument power supply and suppress the fluctuation range to ensure the accuracy of automobile instruments. In addition, the display basis of most instruments comes from sensors, and the sensor device changes its resistance value according to the state change of the monitored object and expresses it through the instrument.

The most conspicuous thing in the dashboard is the speedometer, which represents the speed of the car in km/h km/h. The speedometer actually consists of two instruments, one is the speedometer and the other is the odometer.

Automobile instruments are composed of various instruments and indicators, especially warning lights and alarms that provide drivers with the required information of automobile operating parameters.

According to the different working principles of automobile instruments, they can be roughly divided into three generations. The first generation of automobile instruments is mechanical movement watches, the second generation is called electrical instruments, and the third generation is all-digital automobile instruments. It is a networked intelligent instrument with more powerful functions, richer display contents and simpler wiring harness links.

Automobile instruments are mostly the third generation instruments, which can drive the pointer of the base table by stepping motor or directly display graphic or text information by LCD screen. At the same time, he also has an intelligent processing unit, which can exchange information with other control units of the car.

The function of automobile instrument is to obtain the required data and display it in an appropriate way. In the past, the instrument was generally limited to 3~4 quantity displays and 4~5 alarm functions. Now the new instrument has about 15 quantity displays and about 40 alarm monitoring functions.

Different information is obtained and displayed in different ways. At present, there are three main ways to obtain new instrument information: transmission through body bus, sampling and conversion through A/D; Obtained by IO state change.