Bidirectional colorful light triggered by power-line pulse signals connected in series and parallel

A bidirectional colorful light triggered by power-line pulse signals connected in series and parallel, comprises:

• a bidirectional luminous light string triggered by power-line pulse signals, a first controllable switch, a second controllable switch, a third controllable switch, and a fourth controllable switch;
• the bidirectional luminous light string triggered by power-line pulse signals comprises a plurality of bidirectional light sources, which are connected in parallel, or connected first in parallel and then in series, or connected first in series and then in parallel between the first port and the second port of the bidirectional luminous light string triggered by power-line pulse signals;
• the bidirectional light source comprises a light module triggered by power-line pulse signals and a reverse light module, with the light module triggered by power-line pulse signals and the reverse light module connected in parallel at the first port and the second port of the bidirectional light source;
• the light module triggered by power-line pulse signals comprises an LED colorful light group and an LED driver that drives the LED colorful light group based on power-line pulse signals loaded on power lines;
• when the voltage level at the first port of the bidirectional luminous light string triggered by power-line pulse signals is higher than that at the second port, the voltage level at the first port of the bidirectional light source is also higher than that at the second port of the bidirectional light source, and the LED driver drives the LED colorful light group based on the power-line pulse signals loaded on the power lines;
• when the voltage level at the first port of the bidirectional luminous light string triggered by power-line pulse signals is lower than that at the second port, the voltage level at the first port of the bidirectional light source is lower than that at the second port of the bidirectional light source, and the reverse light module operates;
• the second controllable switch and the fourth controllable switch are controlled by a control circuit;
• the input terminal of the first controllable switch is connected to a DC power supply, the output terminal of the first controllable switch is connected to the first port of the bidirectional luminous light string triggered by power-line pulse signals, and the control terminal of the first controllable switch is connected to the output terminal of a first voltage divider module;
• the first voltage divider module comprises a first voltage divider resistor and a second voltage divider resistor, with one end of the first voltage divider resistor connected to the input terminal of the first controllable switch, the other end serving as the output of the first voltage divider module and connected to one end of the second voltage divider resistor, and the other end of the second voltage divider resistor connected to the output terminal of the fourth controllable switch;
• the output terminal of the second controllable switch is connected to the first port of the bidirectional luminous light string triggered by power-line pulse signals, the input terminal of the second controllable switch is connected to ground, and the control terminal of the second controllable switch is connected to the control circuit;
• the input terminal of the third controllable switch is connected to the DC power supply, the output terminal of the third controllable switch is connected to the second port of the bidirectional luminous light string triggered by power-line pulse signals, and the control terminal of the third controllable switch is connected to the output terminal of a third voltage divider module;
• the third voltage divider module comprises a third voltage divider resistor and a fourth voltage divider resistor, with one end of the third voltage divider resistor connected to the input terminal of the third controllable switch, the other end serving as the output of the third voltage divider module and connected to one end of the fourth voltage divider resistor, and the other end of the fourth voltage divider resistor connected to the output terminal of the second controllable switch;
• the output terminal of the fourth controllable switch is connected to the second port of the bidirectional luminous light string triggered by power-line pulse signals, the input terminal of the fourth controllable switch is connected to ground, and the control terminal of the fourth controllable switch is connected to the control circuit.