Switching value signal conversion device and method
A switching signal and switching input technology, which is applied to the logic circuit using photoelectric equipment and the logic circuit using specific components, etc., can solve the problems of slow conversion speed and failure to reach digital real-time simulation, and achieve fast switching speed, The effect of small delay and synchronous response
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Embodiment 1
[0037] Such as figure 1 As shown, Embodiment 1 of the present invention discloses a switch signal conversion device, including a switch signal conversion control module 11, a first photoelectric isolation coupler 12 and a switch signal output module 13 connected in sequence;
[0038] A switch signal conversion control module 11 that receives at least one switch input signal, converts the switch input signal into a switch electrical signal, and drives the first photoelectric isolation coupler 12 on and off according to the switch electrical signal.
[0039] It should be noted that the switch signal conversion control module 11 includes,
[0040] The first output end is connected to the first input end of the first photoelectric isolation coupler 12, the second output end is connected to the input end of the constant current drive circuit 112, receives at least one switching value input signal, and converts the switching value input signal into A switch signal conversion contro...
Embodiment 2
[0057] In the switch signal conversion device provided in Embodiment 1 of the present invention, the non-phase photoelectric isolation relay module includes more than one photoelectric isolation relay connected in series, and the reverse phase photoelectric isolation relay module includes more than one photoelectric isolation relay connected in series. In the following, the in-phase photoelectric isolation relay includes 3 photoelectric isolation relays connected in series, and the anti-phase photoelectric isolation relay includes 1 photoelectric isolation relay as an example to describe in detail.
[0058] Such as figure 2 As shown, a switch signal conversion device includes: a switch input signal 201, a switch signal conversion control circuit 202, a first photoelectric isolation coupler 203, a constant current drive circuit 204, a first DC power supply 205, a second Opto-isolated coupler 206, second DC power supply 207, first opto-isolated relay 208, second opto-isolated r...
Embodiment 3
[0072] Embodiment 1 of the present invention provides a switch signal conversion device, and correspondingly, Embodiment 3 of the present invention provides a switch signal conversion method.
[0073] Step S101, the switch signal conversion control module receives at least one switch input electrical signal;
[0074] Step S102, the switch signal conversion control module converts the switch input electrical signal into a switch electrical signal;
[0075] The step is 103, the constant current drive circuit drives the first photoelectric isolation coupler on and off according to the electrical signal of the switch;
[0076] Step S104 , the first photoelectric isolation coupler drives the switch signal output module in isolation, so that the switch output module outputs a non-inverted switch output signal and an inverted switch output signal corresponding to the switch input signal.
[0077] In step S101, the digital input signal includes signals such as dry contacts, optocoupl...
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