Key switch testing device
The utility model provides a key switch testing device which comprises a testing frame, a direct current motor is fixedly arranged on the testing frame and connected with a cam mechanism, the cam mechanism is connected with a key baffle, a key switch is arranged on one side of the key baffle, an inf...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The utility model provides a key switch testing device which comprises a testing frame, a direct current motor is fixedly arranged on the testing frame and connected with a cam mechanism, the cam mechanism is connected with a key baffle, a key switch is arranged on one side of the key baffle, an infrared induction counter is arranged on the other side of the key baffle, and a probe of the infrared induction counter is placed right in front of the key switch by 90 degrees. A voltage counter is arranged on one side of the infrared induction counter; a divider resistor and a power supply are arranged on the upper surface of the test frame, the anode of the power supply is connected with the divider resistor, the other side of the divider resistor is connected with a key switch, each key switch is connected with a voltage counter in series, and the other end of each voltage counter is connected with the cathode of the power supply to form a loop. According to the device, the voltage counter and the infrared sensi |
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