Safety device for socket
The present invention provides a safety device for socket, which comprises a switching circuit, a control module, and a detection module. The switching circuit is coupled between a supply main and an internal transmission structure of a socket. The control module is coupled to and controls the switching circuit. The detection module is coupled to the control module and outputs a detection signal. The control module controls the turning-on or cutoff of the switching circuit according to the detection signal. When the plug is not inserted into the socket, the control module cuts off the switching circuit. Then the power source from the supply main will not be transmitted to the internal transmission structure of the socket. After the plug is inserted into the socket, the control module turns on the switching circuit. Then the power source from the supply main will be transmitted to the plug via the switching circuit and the internal transmission structure of the socket. Thereby, the sparks can be avoided for preventing danger as well as extending the lifetime of the socket.
1. A safety device for socket, comprising:
a switching circuit, coupled between a supply main and an internal transmission structure of a socket;
a control module, coupled to said switching circuit, and controlling said switching circuit; and
a detection module, coupled to said control module, and outputting a detection signal, said detection module including a trigger;
wherein said control module controls said switching circuit to turn on or cut off according to said detection signal, when an external transmission structure of a plug contacts said internal transmission structure of said socket, said external transmission structure contacts said trigger, said trigger outputs said detection signal, and said control module controls said switching circuit to turn on according to said detection signal.
2. The safety device for socket of claim 1 , wherein said internal transmission structure includes a first electrical transmission member and a second electrical transmission member; said switching circuit is coupled between said first electrical transmission member and a live wire of said supply main or between said second electrical transmission member and a neutral wire of said supply main.
3. The safety device for socket of claim 1 , wherein when said detection module detects an external transmission structure of a plug contacting said internal transmission structure of said socket, said detection module outputs said detection signal, and said control module controls said switching circuit to turn on according to said detection signal.
4. The safety device for socket of claim 1 , wherein said trigger is a sensor spaced in said internal transmission structure; when said external transmission structure contacts said internal transmission structure, said external transmission structure contacts said sensor; said sensor outputs said detection signal; and said control module controls said switching circuit to turn on according to said detection signal.
5. The safety device for socket of claim 4 , wherein said internal transmission structure includes two electrical transmission members; one or more of said electrical transmission members includes a spacing recess for spacing said one or more electrical transmission member and said sensor.
6. The safety device for socket of claim 1 , wherein said trigger is a button; when said external transmission structure of said plug contacts said internal transmission structure of said socket, said external transmission structure presses said button; said button outputs said detection signal; and said control module controls said switching circuit to turn on according to said detection signal.
7. The safety device for socket of claim 1 ,
further comprising an anomaly detection module coupled to said control module, detecting if anomaly occurs in said internal transmission structure and generating a detection signal, and said control module controlling said switching circuit to cut off according to said detection signal of said anomaly detection module.
8. The safety device for socket of claim 7 , wherein when said anomaly detection module detects the status of said internal transmission structure to be abnormal, said control module generates a warning signal according to said detection signal of said anomaly detection module.
9. The safety device for socket of claim 8 , wherein when said anomaly detection module includes an electrical detection module for detecting the electrical status of said internal transmission structure and generating said detection signal of said anomaly detection module.
10. The safety device for socket of claim 8 , wherein when said anomaly detection module includes a temperature sensing module for detecting a temperature of said internal transmission structure and generating said detection signal of said anomaly detection module.
11. The safety device for socket of claim 1 , wherein when said detection module detects that said external transmission structure of said plug does not contact said internal transmission structure of said socket, said detection module outputs said detection signal; said control module controls said switching circuit to cut off according to said detection signal; and said control module generates a warning signal.
12. The safety device for socket of claim 11 , further comprising a transmission module coupled to said control module for transmitting said warning signal.
13. A safety device for socket, comprising:
a switching circuit, coupled between a supply main and an internal transmission structure of a socket;
a control module, coupled to said switching circuit, and controlling said switching circuit; and
a detection module, coupled to said control module, and outputting a detection signal;
wherein said control module controls said switching circuit to turn on or cut off according to said detection signal, said detection module includes an electrical circuitry detection module coupled to said internal transmission structure and said supply main; when an external transmission structure of a plug contacts said internal transmission structure of said socket, said electrical circuitry detection module detects an electrical circuitry between said socket and said plug and outputs said detection signal; and said control module controls said switching circuit to turn on according to said detection signal.
14. The safety device for socket of claim 13 , wherein said detection module further includes an electrical detection module; when said external transmission structure contacts said internal transmission structure and said switching circuit is turned on, said electrical detection module detects the electrical condition of said internal transmission structure and generates a detection signal as said detection signal; and said control module controls said switching circuit to cut off according to said detection signal of said electrical detection module.
15. The safety device for socket of claim 14 , wherein when said external transmission structure contacts said internal transmission structure and said switching circuit is turned on, if said electrical detection module detects that said internal transmission structure does not transmit electric power for a predetermined time, said control module controls said switching circuit to cut off.
16. The safety device for socket of claim 1 , wherein said detection module includes a light-emitting device and a photosensor disposed at said internal transmission structure; said photosensor is opposing to said light-emitting device for sensing the light generated by said light-emitting device; when an external transmission structure of a plug contacts said internal transmission structure of said socket, said external transmission structure is located between said photosensor and said light-emitting device and blocks the light generated by said light-emitting device from emitting to said photosensor; said photosensor outputs said detection signal; and said control module controls said switching circuit to turn on according to said detection signal.
17. The safety device for socket of claim 16 , wherein said internal transmission structure includes a first electrical transmission member and a second electrical transmission member; and said light-emitting device and said photosensor are disposed at said first electrical transmission member and said second electrical transmission member, respectively.
18. The safety device for socket of claim 13 , further comprising an anomaly detection module coupled to said control module, detecting if anomaly occurs in said internal transmission structure and generating a detection signal, and said control module controlling said switching circuit to cut off according to said detection signal of said anomaly detection module.
19. The safety device for socket of claim 18 , wherein when said anomaly detection module detects the status of said internal transmission structure to be abnormal, said control module generates a warning signal according to said detection signal of said anomaly detection module.