Car in front of the sensor of the important work of the car

In front of the sensor as an important member of automotive sensors play an important role in this , understand the car in front of the sensor on our usual car , car repair is helpful to understand the structure and function of the sensor , then we will soon find the problem in a timely manner Update the front sensor is installed in front of the sensor the sensor and the fender rear bumper , for sensing a signal collision speed . Around the front structure of the same two sensors , Cooling Temperature Sensor are eccentric weight . Sensor mounted in a sealed box in front of the sensor vibration protection has four pins, of which two pins connected to the electronic controller , the other two for the self-diagnostic pin. Metal resistance is the role of diagnosis between the sensor and the central controller is in an open state or in the normal state. In front of the sensor working principle is: normal driving , the torsion spring hammer , moving contacts set at TDC position , the sensor does not trigger signal to the central controller . When the car crash , the inertia to overcome the spring force and torque to produce movement , driven contacts rotation, so dynamic and static contact engagement . In this case, the sensor to the central controller happen "on" signal,Coolant Temperature Sensorconnected , so electronic controller sends electric detonators detonated belt pretensioners instruction , so that the seat belt tensioner to achieve security role.

Temperature and humidity sensors to create a comfortable living environment perception

China South geographical differences, climate variability, usually urban residents are installed according to the season air conditioners, humidifiers and other equipment, office space in major cities is not uncommon, where temperature and humidity sensor is an integral part of the HVAC . Users usually in the living room watching TV, outside sky darkens, the wireless light sensor found in indoor light intensity drops below the threshold, according to the user's settings will automatically open the living room ceiling, and adjust the brightness of the dome light, so that light intensity indoors been maintained in a soft not to hurt the eye level. Summer and winter seasons, when it will always monitor the temperature and Cooling Temperature Sensor indoor temperature and humidity index, and linkage HVAC, humidifiers and other equipment, the indoor temperature and humidity maintained in a good range, if living in large cities, air quality there is a problem, the air quality sensor is equipped with a radio, with air purifier, so that the user in the room, it does not receive air pollution problems.

Pressure sensors used more widely , to quickly and efficiently select the appropriate pressure sensors

Pressure sensors used more widely , to quickly and efficiently select the appropriate pressure sensor , the need for their application to do a comprehensive understanding of the following is selected pressure sensor to consider when some parameters1, select the type of pressure measurement : There are several types of pressure measurements , absolute pressure , gauge pressure measurements, true gauge pressure measurements, differential pressure measurement . Absolute pressure measurement , refer to the absolute pressure measurements, ie relative to the vacuum pressure measurement . Refers to a gauge pressure measured relative to atmospheric pressure measurement , the actual ambient atmospheric pressure changes , so some seal an atmospheric pressure sensor as a reference , the reference pressure is not sealed with the outside atmospheric pressure changes Therefore, such a seal a constant reference Cooling Temperature Sensor are usually referred to as true form pressure sensor . Differential pressure measurement , refers to the two different media to measure the pressure difference between , two pressure ports it needs to pass different pressure medium 2 , select the appropriate pressure range and overload pressure range, the sensor pressure range is measured by the sensor pressure range , overload pressure is the pressure sensor to ensure proper operation and can withstand the maximum pressure value , the general pressure sensor overvoltage capabilities are in the measurement range of 1.5 times. Pressure sensor range to be higher than the maximum pressure range of applications , but not too high, if you select the higher range of the sensor , the measurement range of the sensor output signal change is smaller, measuring accuracy deteriorates.3 , select the appropriate pressure port, pressure port is to pass the path to the sensor medium pressure , the pressure interface material, usually ceramic , plastic, stainless steel , alloys, etc. , need to pressure medium without corrosive and choose different materials. At the same time the pressure interface also has a different shape , a shape and volume flush film formation , etc. If more viscous pressure medium , is recommended flush membrane interface, it is not likely to cause deposition of the media .4 , select the appropriate electrical connection, electrical interface is a sensor with an external circuit or system data communication channel, which needs to be considered is the sensor type and size of the supply voltage , the output signal type and connection methods. If the sensor is not added to the signal conditioning circuit , the output of Crankshaft Positioning Sensor based on different systems have different output signals, such as a voltage signal in mV , and changes in capacitance or electric signals , then the customer must choose the design of the signal processing circuit , the signal conversion the useful signal can be identified .5 , select the appropriate accuracy , different applications , the requirement of the measurement error is different , but the measurement accuracy is higher, the higher the cost of the sensor is often Therefore applications, not one-sided with high precision .6 , the temperature range selected sensor , the sensor usually changes with temperature drift , in order to achieve high-precision measurement ,Car Temperature Sensor usually have a temperature compensation function , the temperature compensation range , optimum measuring accuracy . In some high-temperature applications , because most of the electronic components can only work at 85 degrees or less , so you can choose not to bring the amplifier circuit temperature sensor will measure the signals from the high temperature zone and then diverted to the low temperature zone for signal processing .In practical applications , the sensor may also need to consider the resolution , the resolution is a pressure sensor to identify the minimum pressure range , with the development of sensor technology , the pressure sensor can identify the smaller , high resolution is required rate applications , the client can be considered without the sensor amplifiers , their choice performance amplifiers , the signal processing to achieve the minimum signal recognition .

Throttle opening degree is used to convert a voltage signal , controlling the fuel injection quantity by the ECU

Throttle opening degree is used to convert a voltage signal , controlling the fuel injection quantity by the ECU . Commonly used switching linear throttle position sensor and Car Temperature Sensor two of them switching the throttle position sensor although the structure is relatively simple, but its output is discontinuous . In addition to the three , for automotive engine electronic control sensor is also an oxygen sensor , temperature sensor, knock sensor , Crankshaft Positioning Sensor, speed sensor . Any use of modern automotive electronic control systems or devices , are inseparable from sensors, such as automatic transmission, anti-lock brake systems, drive-slip system. Especially in recent years , more and more car electronic devices , such as security alarm devices, communication devices , entertainment devices and to improve comfort and reduce fatigue using auxiliary driving device and so on. Of course, the domestic automobile electronic control technology has just started , mainly in the engine electronic control , and as such , automotive sensors in our country will have a broader space for development.

Sensor performance has a direct impact on the rear of the data processing

Automotive electronic control unit used more and more widely every and each electronic control devices including sensors, electronic control unit, the executing agency of three parts. It is the use of sensors to monitor the working conditions of the car assembly and relevant information to the electronic control unit, electronic control unit through the analysis' operator, judgment, to send commands to the actuator, so that the working conditions of the relevant assembly to achieve the most Jia. Automotive parts automotive Crankcase Position Sensor is sensing an important electronic device configured with the car getting higher and higher, the development of automotive sensors and more advanced.Sensor is a variety of parameters into the computer system for intelligent monitoring and control in the forefront, so Car Temperature Sensorperformance has a direct impact on the rear of the data processing. In recent years, with the automotive intelligence, electronics, miniaturization and weight reduction, the demand for cars on the sensor has become a large industry the most. The industry generally believe that to achieve the key automotive systems is the ability to optimize the use of high reliability, high performance sensors.

Temperature sensor used in food and beverage industry

Hot cup of cold soft drinks, ice cream may have been a good cooling device . But do you consider these frozen products are not always in a low temperature , or refrigerated usually is how to give it , because these beverages can not be long-term high temperature state can not be put in long-term low temperature , this temperature is how to grasp it ? This requires use our temperature sensors. The temperature sensor is a temperature signal into an electrical signal for our reference , temperature sensor generally forms a common temperature sensor is inserted , a wall temperature sensor and chip temperature Crankshaft Positioning Sensor. These three temperature sensors in the food industry and other industries have a wide range of applications . In the food and beverage storage during our sensors can be used to control the temperature of the environment , as found in the ambient temperature is too high, we will open the cooling equipment , when the temperature is too low, we can turn off heating and cooling equipment , and open device , which can guarantee the these foods and drinks kept in a suitable environment to ensure the fresh food and beverages . Temperature sensor not only been applied in the food and beverage industry , in other industries have a wide range of applications , those who need to control the ambient temperature where the figure ha Engine Water Temperature Sensor, temperature sensor, the production process is not very complicated, the price is very cheap so for a very broad .

Automotive sensor characteristics

Adaptability, resistance to harsh environments cars could travel to any area on the planet , environmental conditions vary widely , both extremely cold polar regions , there are also hot climate like the equatorial region , therefore , requires that the sensor has a strong adaptability , in a - 40 ~ 80 ℃ under the conditions Needless to adjust properly. Cars may work in extremely harsh climatic conditions , sometimes the dust filled the air, sometimes stormy , so Engine Water Temperature Sensor should have a good seal , resistant to moisture, corrosion resistance . Anti-interference ability to adapt to the external sensor in addition to the harsh environment , but also on the internal able to resist all kinds of interference from the engine . Sensors are installed in the engine compartment , in addition to the engine work to withstand high temperatures and pressures , the combustion exhaust gas corrosion , but also requires a good seismic performance, strong resistance to vibration during engine operation , in addition, the engine work will produce electromagnetic waves, thus requiring sensors with anti-jamming capability. Car power ( generators, batteries , etc. ) 6 ~ 16V voltage can change, sometimes even more than 100V superposition of negative high voltage pulse , so also with anti- surge capability. High stability and reliability of various automotive parts generally require more than capable of running 10 × 104km and goes without replacement and adjustment of the technical specifications are still met . Therefore,Car Temperature Sensor must have high stability and high reliability. Inexpensive, adapt to mass production which requires consistency of the sensor is good, no complex adjustment, for automated production.