Sensors, Intelligent Robots
A sensor and circuit technology, applied in the field of sensors, can solve the problems of high cost, complex structure, high cost, etc., and achieve the effect of improving photosensitivity, reducing manufacturing cost, and low cost
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Embodiment 1
[0026] Embodiment 1. The sensor is characterized in that it includes a package housing (S1), a first photoresistor (R1), a second photoresistor (R2), a circuit (S3), and a transparent window (S2);
[0027] The circuit (S3) is installed in the package housing (S1);
[0028] The transparent window (S2) is installed on the package casing (S1) as a light-transmitting window, the entities of the first photoresistor (R1) and the second photoresistor (R2) are installed side by side in the package casing (S1), and the external light The same light spot can shine on the surfaces of the first photoresistor (R1) and the second photoresistor (R2) at the same time;
[0029] When the light spot moves, the light increments received by the first photoresistor (R1) and the second photoresistor (R2) are opposite, one is positive and the other is negative, which serves to amplify the moving information of the light spot;
[0030] The circuit (S3) has an amplification function;
[0031] The fir...
Embodiment 2
[0043] Embodiment 2. An intelligent robot has the aforementioned sensors.
[0044] attached Figure 2-3 Explanation, R5, R1, operational amplifier U1A form an inverse amplifier circuit, R4, R2, operational amplifier U1B form an inverse amplifier circuit, where R4 and R5 have the same resistance, and the input voltage of the inverse amplifier circuit is 5V , the circuit gain is -R1 / R5 and -R2 / R4, considering R4=R5, so the voltage at P1-2 is -5V*R1 / R5, and the output voltage of P2-2 is -5V*R2 / R5. R3, R6, R7, R8, and operational amplifier U2A constitute a differential amplifier circuit, R3=R6=15k, R7=R8=5k, and the circuit gain is 5k / 15k=1 / 3. So Vout=1 / 3*(Vp12-Vp22)=5*(R2-R1) / (3*R5).
[0045] What is not described in detail is prior art, so it will not be described in detail.
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