Sealed and waterproof high-power shock-resistant bulb

A sealed and waterproof high-power shock-resistant bulb, comprising a bulb shell (1) and a light-emitting assembly (2), wherein:

• the bulb shell (1) is made of a plastic material and is provided with a bayonet socket (11);
• the light-emitting assembly (2) is provided with a plug socket (21) and an LED lamp group (3), wherein:
• a stem (211) configured to be placed in the bulb shell (1) is disposed at a front end of the plug socket (21),
• the LED lamp group (3) is fixedly connected to the stem (211),
• a rear end of the plug socket (21) is configured to be connected to the bayonet socket (11) and is provided with an accommodating cavity (22),
• an electrical connection plate (4) is disposed in the accommodating cavity (22), and
• a sealant groove (221) is reserved in the accommodating cavity (22), and the sealant groove (221) is filled with a sealant, such that the electrical connection plate (4) is hermetically isolated from outside;
• the plug socket (21) is provided with a wire hole (23) configured to accommodate a plurality of wires, and a wire of the LED lamp group (3) is electrically connected to the electrical connection plate (4) via the wire hole (23);
• and
• the electrical connection plate (4) is provided with an expansion capacitor (41) and a control chip (42), the electrical connection plate (4) is provided with a first wire (43) and a second wire (44) that are connected to an external power supply, and the control chip (42) and the expansion capacitor (41) are configured to adjust output power of the LED lamp group (3) according to magnitudes of voltages output by the first wire (43) and the second wire (44), so as to change light emission of the LED lamp group (3).