CN2558118Y

CN2558118Y - Computer control socket

Info

Publication number: CN2558118Y
Application number: CN 02278434
Authority: CN
Inventors: 林海
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-07-18
Filing date: 2002-07-18
Publication date: 2003-06-25
Anticipated expiration: 2012-07-18

Abstract

The utility model discloses a socket controlled by a computer, belonging to an electrical product. The socket comprises a socket body which is connected with a plug through a power wire. A data wire is arranged on the socket body. The data wire is connected with a photoelectric coupler through a current-limiting resistor. One end of the photoelectric coupler is connected with the output end of the socket through a bidirectional triode thyristor. The other end of the photoelectric couple is connected with the input end of the socket. A port which can be connected with the printing port of the computer is arranged on the data wire. The utility model can realize the intelligent connection of the apparatus plugged in the socket and the computer. The utility model which has the advantages of no mechanical contact point, quick action, no arc discharge and no abrasion of the contact point can be controlled to be on or off by a computer.

Description

Computer control socket

Technical field

The utility model relates to a kind of socket, particularly a kind ofly can cross that LPT is connected with the computer expert and by the socket of computer control.

Background technology

The function that socket commonly used at present generally has only energized need realize by artificial dial-out plug the switch of the electrical appliance that makes on the socket, can't realize automation control by computer; Plug is a mechanical contact with contacting of socket, moves unhappyly, also has electric arc sometimes and takes place, and the contact has wearing and tearing, can produce phenomenons such as loose contact after service time is long.

Summary of the invention

The purpose of this utility model just provides a kind ofly can carry out switch control to socket by computer, does not have mechanical contact, be swift in motion, and no electric arc, the computer of contactless wearing and tearing is controlled socket.

The purpose of utility model is achieved in that a kind of computer control socket, comprise socket 1, socket 1 is connected with plug 3 by power line 2, socket 1 is provided with circuit board 11, also be provided with data wire 4 on the socket 1, data wire 4 has passed through current-limiting resistance 5 and has been connected with device 6 with the photoelectricity coupling, and the photoelectricity coupling is connected with socket output 8 by bidirectional triode thyristor 7 with device 6 one ends, and the other end is connected with input 9.The port one 0 that can be connected with the computer printout mouth is housed on the data wire 4.

The utility model is owing to adopt data wire to be connected with computer by printer port, photoelectricity coupling in the socket and device and bidirectional triode thyristor have constituted a testing circuit, by the LPT output level of software-controllable system computer, promptly reach the purpose that the control socket opens and closes behind the circuit incoming level in the socket.

Description of drawings

Below in conjunction with drawings and Examples the utility model is described in further detail.

Fig. 1 is a structural representation of the present utility model.

Fig. 2 is circuit theory diagrams of the present utility model.

Embodiment

The utility model adopts following structure: a kind of computer control socket, comprise socket 1, socket 1 is connected with plug 3 by power line 2, socket 1 is provided with circuit board 11, also be provided with data wire 4 on the socket 1, data wire 4 has passed through current-limiting resistance 5 and has been connected with device 6 with the photoelectricity coupling, and the photoelectricity coupling is connected with socket output 8 by bidirectional triode thyristor 7 with device 6 one ends, and the other end is connected with input 9.The port one 0 that can be connected with the computer printout mouth is housed on the data wire 4.

During the work of this device, plug 3 is inserted power supply, the electrical appliance plug is inserted on the socket 1, and data wire 4 is connected with the LPT of computer by port one 0.This port is the DB25 male plug.The LPT of computer is the D shape mouth of 25 pins, can export the direct voltage of 5V, utilizes software such as debug can control its output 0-5V level, and when photoelectricity coupling and device 6 were received high level, circuit was connected, and socket output 8 promptly has voltage, and electrical appliance is opened; When photoelectricity coupling and device 6 were received low level, circuit disconnected, and socket output 8 is a no-voltage, and electrical appliance is closed.Resistance 5 in the circuit plays metering function.In this circuit, utilized the conducting of bidirectional triode thyristor 7, the characteristic of closing, constituted an electronic switch by bidirectional triode thyristor 7.In the selection of controllable silicon 7, so long as bidirectional triode thyristor all can, according to needed electric current, select 1 to pacify to the bidirectional triode thyristors of tens peaces and all can.Photoelectricity coupling and device 6 mainly are to have utilized its trigger action and buffer action.Trigger action is because photoelectricity coupling and the on-load ability of device own, generally has only the hundreds of milliampere, when photoelectricity coupling and device 6 inputs have signal to go out, it just can provide trigger current for controllable silicon 7, make controllable silicon 7 conductings, when no input signal, controllable silicon just turn-offs because of the triggerless electric current; Because photoelectricity coupling and device are inner to be the change transitions of curtage the variation of light just, nothing is electrically connected between the level of front and back, thereby realizes the feasible isolation between the circuit.Can adopt as MOC3041, LTP3041 etc.

A circuit in the utility model on the circuit board 11 is controlled one road jack, can be provided with a plurality of circuit on the circuit board 11, at most 12 jacks of may command.

Claims

1, a kind of computer control socket, comprise socket (1), socket (1) connects with plug (3) by power line (2) to be pressed, it is characterized in that: socket (1) is provided with circuit board (11), also be provided with data wire (4) on the socket (1), data wire (4) has passed through current-limiting resistance (5) and has been connected with device (6) with the photoelectricity coupling, and the photoelectricity coupling is connected with socket output (8) by bidirectional triode thyristor (7) with device (6) one ends, and the other end is connected with input (9).

2, computer control socket according to claim 1 is characterized in that: the port (10) that can be connected with the computer printout mouth is housed on the data wire (4).