Sealed and waterproof high-power shock-resistant bulb
Some embodiments of the disclosure provide a sealed and waterproof high-power shock-resistant bulb. In some examples, the sealed and waterproof high-power shock-resistant bulb includes a bulb shell and a light-emitting assembly. In other examples, by additionally disposing an expansion capacitor in the bulb, the light-emitting assembly may change the light-emitting power of a light-emitting diode (LED) lamp group according to an input voltage. The LED lamp group is composed of a plurality of obliquely dislocated LED light bars, such that the bulb may generate a luminous brightness with higher lumens. The bulb and a plug socket are both made of a plastic material, such that the sealed and waterproof high-power shock-resistant bulb is low in manufacturing cost, good in sealing effect, and waterproof and shock-resistant.
1 . 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 ).
2 . The sealed and waterproof high-power shock-resistant bulb according to claim 1 , wherein:
a lamp base ( 13 ) is disposed outside the bayonet socket ( 11 ); and
the first wire ( 43 ) and the second wire ( 44 ) are electrically connected to two electrodes of the lamp base ( 13 ), respectively.
3 . The sealed and waterproof high-power shock-resistant bulb according to claim 1 , wherein the bulb shell is filled with inert gas.
4 . The sealed and waterproof high-power shock-resistant bulb according to claim 1 , wherein:
the LED lamp group ( 3 ) is provided with a plurality of LED light bars ( 31 ) and a third wire ( 32 ) and a fourth wire ( 33 ) that are connected to the light bars, the third wire ( 32 ) passes through the wire hole ( 23 ) and is electrically connected to the electrical connection plate ( 4 ), the fourth wire ( 33 ) is connected in series to the plurality of LED light bars ( 31 ), and a wiring groove ( 212 ) capable of positioning the fourth wire ( 33 ) is formed in a tail end of the stem ( 211 ).
5 . The sealed and waterproof high-power shock-resistant bulb according to claim 1 , wherein:
a protruding bump ( 213 ) is disposed at a tail end of the stem ( 211 ); and
the bump ( 213 ) is thermally deformable.
6 . The sealed and waterproof high-power shock-resistant bulb according to claim 1 , wherein:
the light-emitting assembly ( 2 ) is provided with two groups of the LED lamp groups ( 3 );
each group of the LED lamp groups ( 3 ) is provided with two LED light bars ( 31 );
a third wire ( 32 ) that is connected to the electrical connection plate ( 4 ) is disposed at one end of each of the LED light bars ( 31 ); and
a fourth wire ( 33 ) that electrically connect the two LED light bars ( 31 ) is disposed at another end of each of the LED light bars ( 31 ).
7 . The sealed and waterproof high-power shock-resistant bulb according to claim 1 , wherein:
the plug socket ( 21 ) is provided with a positioning block ( 25 ); and
two wire holes ( 23 ) are formed and penetrate through the positioning block ( 25 ).
8 . The sealed and waterproof high-power shock-resistant bulb according to claim 1 , wherein:
the LED lamp group ( 3 ) is provided with a plurality of LED light bars ( 31 );
the LED light bars ( 31 ) are disposed around the stem ( 211 ) at equal intervals; and
each of the LED light bars ( 31 ) is obliquely disposed relative to the stem ( 211 ).
9 . The sealed and waterproof high-power shock-resistant bulb according to claim 1 , wherein the wire hole ( 23 ) is compressible to be narrowed so that the wires of the LED lamp group ( 3 ) are fixed with the wire hole ( 23 ).
10 . The sealed and waterproof high-power shock-resistant bulb according to claim 1 , wherein:
the expansion capacitor ( 41 ) is disposed on an upper side surface of the electrical connection plate ( 4 );
a support wire ( 45 ) is disposed between the expansion capacitor and the electrical connection plate ( 4 ); and
the control chip ( 42 ) is disposed on a lower side surface of the electrical connection plate ( 4 ).