Constant-current rectifier bridge device

The utility model relates to a constant-current rectifier bridge device, which is used for connecting to external AC power. The device comprises an outer shell. The outer shell is internally provided with a constant-current rectification circuit. The constant-current rectification circuit comprises a bridge type rectification circuit, a filtering capacitor C1, a filtering capacitor C2, a current stabilization silicon chip, and a constant current chip. The output terminal of the bridge type rectification circuit is connected with one terminal of the filtering capacitor C1 and the control terminal of the current stabilization silicon chip. The other terminal of the filtering capacitor C1 is connected with the input terminal of the current stabilization silicon chip. The output terminal of the current stabilization silicon chip is connected with the input terminal of the constant current chip. The control terminal of the current stabilization silicon chip is the second output terminal OUT2 of the constant-current rectification circuit and is connected with the control terminal of the constant current chip and one terminal of the filtering capacitor C2. The output terminal of the constant current chip is the first output terminal OUT1 of the constant-current rectification circuit and is connected with one terminal of the filtering capacitor C2. The constant-current rectifier bridge device is simple and exquisite in structure and good in rectification effect.