TPMS (Tire Pressure Monitoring System), also known as tire pressure monitoring system, is the third largest automotive safety product after ABS anti-lock braking system and airbag. According to the announcement issued by the National Highway Traffic Safety Administration (NHTSA) in the United States, if the tire pressure is 25% lower than the standard value, the probability of a puncture will increase by 3 times; 25% above the standard value, the chance of a puncture is doubled. Once a flat tire occurs, it is very easy to cause traffic accidents, so many countries have enacted legislation to require the installation of TPMS systems in vehicles for sale. China's TPMS started late, and only in 2016 did the drafting of the national standard for tire pressure monitoring, and General Tie was one of the drafting units of this standard.
The TPMS market is divided into two parts: front-end OEM and after-end AM, and the market share of Iron General is mainly concentrated in the aftermarket market. According to the data of the ZDC Internet Consumer Research Center, General Tie has always ranked first in the field of tire pressure monitoring in China. This is not unrelated to the solid quality of its products.
Since the tire pressure monitoring system mainly includes two parts: the sensor and the main engine, the quality of the sensor is the key to determine the quality of tire pressure monitoring. In the selection of sensor chips, General Tie adopted the solution of Infineon, the world's number one chip supplier. Infineon has been supplying TPMS chipsets since 1995 and has introduced the SP37 chip, which is known all over the world. At present, Infineon has a global market share of 50% in TPMS chips, and has been the world's largest market share for 12 consecutive years.
The price of Tiejiang tire pressure monitoring products is between 300-600 yuan, and the price is mainly reflected in the product design, chip scheme, function and material cost. The E3, X1 and M2 all use Infineon's latest chip SP40, compared with the previous generation SP37, the SP40 is 59% smaller, the quiescent current is reduced from 550nA to 245nA, the energy consumption is lower, the memory capacity is increased from 6K Flash to 12K Flash, the measurement accuracy is also improved from 10-bit ADC to 13-bit ADC, in addition, SP40 only needs a 26MHz crystal oscillator to support two operating frequencies - 315MHz and 434MHz at the same time. SP37 requires two.
In addition to the selection of chip solutions, reliable tire pressure monitoring products are inseparable from the manufacturer's production process. Founded in 1993, this auto parts brand is quite popular in foreign tire pressure monitoring systems, and China is still in a blank, so it took the lead in bringing products into the public eye. At present, General Tie has a large industrial park of 100 acres, 65 modern production lines and 10 automatic SMT production lines, the production process is very mature, and it is a well-deserved leader in the domestic production of tire pressure monitoring system.
Iron General has a wide range of tire pressure monitoring products, and there are also many matching solutions between sensors and the main engine. At present, the best sensor of the Iron General is the fifth generation. The fifth-generation sensors with Infineon chips not only consume less energy, but also have a long service life and higher accuracy. In the choice of the host, a variety of products of the iron general can be displayed at the same time as tire pressure and tire temperature, E3, X1 also use a three-color screen, the display effect is better.
A86 and Bat Cube are products with Bluetooth function, the price is 300 yuan A86, its central controller is powered by the cigarette lighter, very inconspicuous, only provide sound alarm function when the situation occurs, after connecting Bluetooth, users can see the real-time data of tire temperature and tire pressure on the mobile phone, for users who do not want to put too many objects above the center console, tire pressure monitoring with Bluetooth function is undoubtedly the best choice. The price is 600 yuan, the appearance of the bat cube is cool, and it is better than A86 in terms of function, in addition to the basic tire temperature and tire pressure display, it also has battery power monitoring, in-car air quality monitoring and other functions.
960 and 860 are the two most cost-effective series of the iron general, the price is between 238-400 yuan, the N or W suffix after the number indicates the sensor type, N means that the sensor equipped is built-in, and W is external. Compared with the 960 solar USB dual charging mode, the cigarette lighter takes up less space and is more concealed in installation, but its disadvantage is that the display content is not sufficient, and it can only display the tire pressure in real time, and the display of tire temperature can not do anything. However, the 860 series is equipped with an abnormal temperature alarm function, which will also alarm you immediately when the tire temperature exceeds a set threshold.
