Crank position sensor is usually installed in the distributor, the control system is the most important one of the sensors. Its role is: detecting the engine speed, so-called rotation speed sensor; detects the piston top dead center position, it is also known as the only point sensor, including the detection of each cylinder for controlling the ignition TDC signal for controlling sequential spray oil first cylinder TDC signal
Automotive Temperature Sensors
Automotive Temperature Sensors
2014年2月25日星期二
YLE Coolant Temperature Sensor to prevent erroneous operation
The sensor technology has already penetrated into the field of industrial production, medical diagnosis and so on. From the current development of sensor technology, almost every modern project cannot do without format sensor. All can see the importance of sensors, so in actual operation should prevent wrong operation. Direct / displacement in the next step in the process is the critical part of operation, check in, or whether YLE Coolant Temperature Sensors it is in the correct position, is a fairly common demand. Photoelectric sensor can easily achieve this purpose. The two sensor can respectively form a converging point, can accurately detect the boundaries of product, the precision can reach one percent inches. Measurement with the development of sensor technology in recent years, the user can now be cost-effective measurement integrated in the process, and the resolution can reach 0.0001 inch. Elements can be automatically identified in a manufacturing process. Distance measuring remote sensor can detect the internal process of new machinery, this short sensor cannot give play to utility, or easily process disturbance. Detectable range, generally in 1 to 164 feet, accuracy range of 0.04 to 0.12 inches. The performance of this sensor open detection applications. A light screen analysis detected some components or assemblies Dan Guangshu using conventional sensors are sometimes difficult to. Often the user needs to be determined, an assembly process, if one or more of the components in the correct position. AYLE Crankshaft Position Sensor Replacement light screen can give complete assembly, not omission or error component placement. Manually check for error prevention, manual installation precision continuous is a big issue. PLC control of the "chosen" system, the use of light to represent the objects will be selected in the next step, the light screen to verify whether the correct. These systems by reducing the error of parts, and parts of the error location to increase the quality of assembly operation ratio. The assembly process error prevention system, can also increase the efficiency of the workers, through from time to time to verify whether errors even in the assembly process to stop, or at rest or shutdown, the system can also play effectiveness. Moreover, the visualization system is also a global scheme can eliminate the estrangement, training, such as language barriers, and technical ability
2014年2月23日星期日
tc fromYLE Camshaft Position Sensor typically a metal oxide of 2 or 3
tc from the temperature sensor is typically a metal oxide of 2 or 3 ? composition mixed in a similar popular clay , calcined and sintered into dense ceramic furnace at high temperature . Oxygen YLE Camshaft Position Sensor link metal often provide free electrons. The ceramic insulator is generally excellent ? . But only in theory , as the temperature approaches absolute zero , ceramic thermistor is such a case . However, when the temperature increases to more common range, thermal excitation will throw more free electrons. With many carriers through electronic ceramics, effective resistance is reduced. Resistance changes with temperature is extremely YLE Crankshaft Positioning Sensorsensitive. Typical variation for each degree Celsius decrease ( - ) 7 [ % ] to 3 [ % ] . Then fit a wide temperature range of any sensor used is most sensitive .
Resistance depends on the contact area of the rated temperature resistivity base material , the size and geometry , and the electrodes . Thick and has a relatively narrow high thermistor resistance , the shape is thin and has a width of the lower resistance ? . Actual size is also very flexible , they can be small or very small diameter of .010 inches . The maximum size is almost no limit , but generally applicable to a half-inch or less.
Resistance depends on the contact area of the rated temperature resistivity base material , the size and geometry , and the electrodes . Thick and has a relatively narrow high thermistor resistance , the shape is thin and has a width of the lower resistance ? . Actual size is also very flexible , they can be small or very small diameter of .010 inches . The maximum size is almost no limit , but generally applicable to a half-inch or less.
2014年2月18日星期二
The weighing sensor can be said to be one of the most important parts of a electronic scale
The weighing sensor can be said to be one of the most important parts of electronic scale, weighing sensor and then is in addition to IC, mainly for the two core elements, weighing sensor is itself an analog signal, when a weight to the weighing sensor at the top, in the sensor element elastic will produce a deformation, the change changes in the load YLE Engine Water Temperature Sensor at about 1mm. When the deformation, strain is stuck on the elastic element above meter fine wire delete will bend and try for, a total of 4 sheet resistance, according to the principle of Wheatstone bridge, when the resistance strain gauge and try for the resistance to bending when the 2 directions, one is the positive direction to a negative direction, we read his numerical is this difference, the difference of different deformation, YLE Car Temperature Sensorbut this is linearly proportional to the number of, of course there are some small error. This error because of the location and the material is affected, it is called nonlinear. So when a platform balance before we all need calibration and calibration, considered from the 2 aspects, one is the output, one is nonlinear. This is the primary output of strain gauge, the output signal is very weak, the normal condition, so the IC to the signal processing, allows the user to read to understand Kg and pound figure.
2014年2月12日星期三
Angle sensors installed in the car 's rapid unloading
According to the characteristics of the car quickly Unloading cement plant , grinding mills and other occasions , with unloading convenient, reliable , fast, save manpower, reduce labor intensity and improve working conditions , to reduce pollution of the environment , thereby reducing production costs , ease of automate operations management. There are a lot of fast cars unloading machine sensors, of course, the current trend is not difficult to see that YLE Motor Position Sensor smart devices will be more and more, angle sensors on the car quickly unloading machine currently used widely.Unloading the car quickly for fast unloading coal, food, electricity , mining, metallurgy and other industries bulk materials . When heavy transport vehicle to carry provisions on flat or retreated position , the driver will get off after the car with the handbrake brake tight, ready to open the door after unloading . In this process, there is someone responsible for checking to confirm whether the rear car reaches a predetermined position , where there is the use of the angle sensor , automatically rise of two gear wheel plate will block the wheels to prevent the vehicle is automatically raised when the dump material decline. Reconfirmed by transport vehicles blocked the rear wheel plate blocked , they will be able to indicate the operator first open dust shields, then start rising carrying two flat under the lift , the rate of decline is determined according to unload the material , the master optimum lift angle, the maximum tilt angle is 45 degrees. When the material emptied after a smooth landing , and finally down to the level of the long position , recovery gear wheel flat plate , moving dust mask , ready for the next unloading .Frequently used measurement range ± 60 degree angle uniaxial angle YLE Coolant Temperature Sensor , ± 0.08 degrees absolute measurement accuracy , IP65/67 degree of protection and aluminum housing such that it can well adapt to the complex for use in the outdoor environment dumper , 11ms impact resistance and 8grms, 20 ~ 2000Hz resistance to vibration after shock and vibration to ensure people can work, temperature compensation -40 degrees to 85 degrees , making the temperature sensor to measure the impact of very small , 9 ~ 36VDC broadband suspicious voltage power supply using the dump itself , not only to achieve the analog current and voltage output , can also be achieved RS232 or RS485 digital signal output , and even the form of the car used in the cAN data output .Currently, the installation angle sensor in the car quickly unloading machine has become a trend , it will be expected to achieve real intelligent.
2014年1月12日星期日
Electric torque sensor
Electric torque sensor is the power supply current through test drive motor for rotating torque parameters, YLE Automotive Temperature Sensors adopts a clamp type structure, convenient installation and use, the output is the standard current signal 4-20mA. Installation: the protection signal cable cover open, loosen the wire clamping device, the signal cable through the wire clamping device into the protective cover, the sealing surface pressure. Finally, the thread holder nut, so that the signal cable is fixed on the shield. Open YLE Engine Coolant Temperature Sensor clamp, foam will be measured wire around and adjusting winding thickness, the clip is closed after the measured wire can be fixed in the garden in the hole, no shake.
2013年12月29日星期日
Rectified DC power supply system sensor design elements
DC power meter management control in electrolysis industry has a pivotal position , it is one of the main technical assessment indicators tapping the potential of business efficiency , but also to protect one regulating rectifier power source running smoothly , so that the DC sensor power rectifier system accurate, stable and reliable is very important.As we all know , the current domestic market popular DC current sensors and closed-loop two separate forms , and the two forms of Car Temperature Sensor measurement accuracy has its theoretical basis , are based on the current Hall elements collected by the air gap in the magnetic circuit and the magnetic field is proportional to the voltage signal converted over , under current law the theoretical framework of the whole design .Factors affecting the DC sensor measurement accuracy depends largely on the choice of the core and the Hall device , as much as possible to ensure the performance of magnetic materials , magnetic materials forming around them a special process to deal with the structure , making the magnetic material permeability is improved, so that Coolant Temperature Sensor has been effectively guaranteed linearity . In the Hall devices , the requirements of its good work in the constant temperature stability and output linearity , and with good frequency characteristics.DC sensor circuit board preferably double-sided gold-plated plate , electrical connector preferred fasteners to ensure high reliability products ; temperature compensation process in terms of a single Hall element to prevent the influence of temperature on the outside of the electronic Crank Position Sensor concentrated in a circuit portion controlled thermostat box inside , avoiding the influence of a local temperature coefficient of the offset caused by the change in the system occurs , thus ensuring the high stability of the product ; the sensor selection circuit structure is preferably three differential amplifier circuit , eliminating the Hall element is greater than the output resistance of the op amp input resistance generated errors. After stage amplifier circuit sensor multistage isolation amplifier output , the output signal interfere with each other , so that the DC current meter with large access control system is very convenient. Multiple parallel rectifier , when one station blackout, straight nets reverse side short circuit short-circuit current is large, the contact sensor to set a limit reverse current protection , to reverse the protective effect of the rectifier unit.
2013年12月22日星期日
The definition and use of fiber Bragg grating sensors
FBG sensors sensing process is modulated by external parameters on the Prague center wavelength pass to get emotional interest , which is a wavelength modulation type optical fiber Shaft Position Sensor, FBG sensors should therefore belong in a special class of optical fiber sensors . Currently fiber grating and its application in optical fiber sensors and optical fiber communications caused widespread concern.FBG sensors can directly measure temperature , strain and other physical quantities . As the fiber grating wavelength sensitive to temperature and strain simultaneously , namely temperature and strain caused by the fiber grating coupler wavelength while moving , making it impossible to distinguish between temperature and strain by measuring the wavelength of the fiber grating coupler move .FBG Car Temperature Sensor have immunity to electromagnetic interference , signal bandwidth , high sensitivity , ease of reuse, light weight, and so is suitable for use in high temperature, corrosive hazardous environments advantages. Since 1989 the United States Morey , who first studied strain and temperature sensor FBG conducted since the world are very concerned and carried out its extensive applied research, in just 10 years time has become the FBG sensor field development fastest growing technology and success in many fields of application , FBG sensors have a very wide range of applications in large-scale construction and safety monitoring wells and other special occasions.
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