Sensor automatic recognition method
An automatic identification and sensor technology, applied in the field of sensor identification, can solve the problems of poor controller versatility and single type of sensors, and achieve the effect of reducing production costs and solving poor versatility
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[0019] Various embodiments of the present invention will be described in detail below with reference to the accompanying drawings, in which the same structures or functions are marked with the same numerals. It should be noted that the purpose of the drawings is only to facilitate the description of the specific embodiments of the present invention, and is not a redundant description or limitation to the scope of the present invention. In addition, the drawings are only for illustration purposes and not necessarily drawn to scale.
[0020] In order to realize the application of various existing sensors, the present invention first classifies the existing known matching sensors according to their characteristics, and summarizes the common and unique characteristics of these sensors, mainly including the values in specific registers in the sensors, The combination of these values determines what type of sensor it is. For example, for a type A sensor, its PID (product ID) regi...
Embodiment 2
[0027] Embodiment 2 includes all the processes in Embodiment 1, but in Embodiment 1, it only discriminates existing known sensors, but it cannot be expanded and used, that is, when sensor information that is not stored in the controller is configured, it cannot Determine the sensor type and proceed further. Embodiment 2 increases the extended function of the controller, that is, for the sensor type not stored in the controller, after obtaining its characteristic parameters, the parameter library can be configured to store the characteristic parameters, so that the previously unstored sensors can be used normally on the original basis. Sensor types, instead of rebuilding a controller, redesigning, and reproducing, saving the original possible duplication of labor.
[0028] Specifically, such as image 3 As shown, when configuring a new sensor, first set up a parameter library for the new sensor according to the parameters defined in the programmable module before powering on. ...
Embodiment 3
[0029] Embodiment 3 sets the priority level on the basis of Example 2, that is, if it is determined that the controller is used for a new sensor that is not stored in the original database, after the power-on reset is completed, it is set to priority Read the features in the parameter library without entering the process of screening known sensors in the database as in Example 1, so that you can read the matched sensor features faster and effectively, and perform normal operations on new sensors to further improve efficiency.
[0030] In summary, the inventive method can be summarized as, please refer to Figure 4 The flow chart:
[0031] Step 1: Classify existing known sensors according to their characteristics, and store all characteristics in the controller database;
[0032] Step 2: For the case of configuration requirements, that is, for the case of a new sensor, configure a programmable storage module and write all the parameters that need to be configured into the par...
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