CN2505912Y - Electron master control computer plug socket - Google Patents

Abstract

The utility model provides an electron master control computer plug socket to provide convenience for the power source inserting of a host computer and peripheral equipment, consisting of a panel shell (1), a triple pole inner core (6), a bipolar inner core (7), an electronic circuit board (9), an overload protector (12) and a bottom shell (3).The utility model is characterized in that: the panel shell (1) is provided with plug jacks in various shapes and the space between plug sockets is big, which is convenient for the different shapes of base pins and the simultaneous use of bigger plugs; the electronic circuit board (9) can execute current sampling to the electricity using condition of the host computer, and can automatically put through or cut off other peripheral equipment connected with a controlled plug socket; meanwhile the circuit board has anti-lightning function, which can effectively absorb transient overvoltage and prevent power source surge; the overload protector (12) can automatically cut off power source when external equipment is in short circuit or overload, and can be manually reset after fault resolution. The utility model has the safety protective performance of master control, overload prevention and lightning prevention, and can achieve the objective of protecting the host computer as well as the peripheral equipment.

Description

Electronics master control Socket for computor

Technical field

The utility model is a kind of electronics master control Socket for computor, refers to be provided with in a kind of the socket of electronic circuit board and overload protective device especially.

Background technology

At present, along with computer is widely used in daily life and the work, its peripheral equipment is also more and more, as sound equipment, scanner, modulator-demodular unit, desk lamp etc., and existing supply socket (application number is: 99204597.5) as shown in figure 10: mainly comprise a face-piece 10, one drain pan 20, one circuit board 30 and an on-off circuit 40, the wiring diagram of on-off circuit 40 such as Figure 11, this on-off circuit utilizes the electricity consumption situation of 42 pairs of conducting strips 31 of mu balanced circuit to detect, make when the state detected to electricity consumption, this mu balanced circuit 42 makes relay 43 change closure state into by normally open; Otherwise, to detect to non-when using electricity condition, this relay 43 keeps the state often opened, and conducting strip 31 current potentials that make face-piece 10 respectively organize jack 11 correspondences are zero.

Should use on the host computer peripheral equipment relevant by existing socket with other, following shortcoming will be arranged: though one. this existing socket can be controlled peripheral equipment automatically, but when peripheral equipment is short-circuited or transships, will cause the damage of circuit and equipment, even cause fire.Two. this socket itself can't be subjected to the superpotential that accidental cause or thunderbolt etc. cause to electrical network and play effective protective effect, causes the damage of electric equipment therefrom, thereby causes unnecessary loss to the user.Three. the on-off circuit complex circuit of this socket, the manufacturing cost height is unfavorable for producing.Four. this socket is suitable for English three-terminal polarized plus plug, can't peg graft as: pin to the circular plug and the peripherals such as two-wire plug of desk lamp, can't realize that the plug of various criterion inserts use simultaneously.Five. this socket directly is inserted on the cloudy socket of host computer, because numerous peripheral plugs and the weight of self very easily cause the grafting loose contact.

Summary of the invention

Technical problem to be solved in the utility model is: the jack that makes electronics master control Socket for computor have the multiple shape of various criterion uses the plug of difformity pin, with the electric power connecting use of Portable computer main frame and peripheral equipment simultaneously; Simultaneously, this socket has fixed installation hole and mounting groove, can be fixed in a suitable position.

The technical matters that the utility model will solve again is: the electronic circuit in the electronics master control Socket for computor is oversimplified, reduced manufacturing cost, and make it have overvoltage protection, absorb power surge, connect and cut off function such as charged power automatically.The utility model solves the problems of the technologies described above the technical scheme that is adopted:

The utility model comprises: can take off the face-piece and the drain pan that can close mutually, have a plurality of upright drain pans that supply to interconnect the fixing line ball post of moulding shell post, the erection column that is used for fixing electronic circuit board and fixed power source line with it on the back side of face-piece; On described face-piece, be furnished with the two poles of the earth jack and the multi-pole plug-hole of the shape that meets country variant electrical standard defined, on described face-piece, also arrange two pilot lamp; Be furnished with on the described drain pan with face-piece mould the corresponding mounting hole of shell post; Have the entrance hole that the power supply source line penetrates on the leg around after face-piece and drain pan close up, being become; The fixedly upright erection column of usefulness of three utmost point inner cores of installation is arranged on the back side of face-piece, and it inserts in the mounting hole of three utmost point inner cores; The fixedly upright erection column of usefulness of two utmost point inner cores of installation is arranged on the back side of face-piece, and it inserts in the mounting hole of two utmost point inner cores.Include sample circuit, control circuit, current rectifying and wave filtering circuit and surge protecting circuit on the described electronic circuit board.Wherein sample circuit includes two diode D1 and D2, and the base stage b of the negative electrode of D1, the anode of D2, triode and the N utmost point of main control socket are intersected in first node.Control circuit includes triode, pilot lamp LED and relay coil, the negative pole of the emitter of triode and capacitor C 1 and the power supply neutral line are connected in the 3rd node, and the positive pole of the collector of triode, capacitor C1, an end of electromagnetic coil relay intersect at second node by LED.Wherein rectification circuit includes capacitor C 2, C3 and voltage stabilizing diode D4, their three's formation is connected in parallel, an end in parallel and the negative pole of C1 are parallel to the 3rd node, the other end in parallel becomes the 6th node, and described the 6th node is again to connect the series circuit that formed by resistance R 1 and diode D3 and the interconnective joint of the other end of electromagnetic coil relay.Surging circuit wherein; it includes gas-discharge tube D5; the series circuit that voltage dependent resistor (VDR) R3 forms and by pilot lamp LAMP; another series circuit that resistance R 2 forms; these two series circuits form parallel connection again; an end in parallel is the 4th node; described the 4th node is connected with the 3rd node by fuse FUSE; and the 3rd node is a relay contact; the anode of diode D1; the joint of the negative electrode of diode D2; the other end of parallel circuit becomes the 5th node; described the 5th node is again master control; by the joint of control socket live wire and overload protective device one end, the other end of overload protective device links to each other with the live wire of electric power incoming line.

When the plug of electronics master control Socket for computor is connected external power supply, green neon lamp is bright, (with the attaching plug of host computer insert main control socket if open host computer this moment, the attaching plug of peripheral equipment inserts by on the control socket), then connect computer host power supply by diode D1 that can hold big electric current in the sampling loop and D2, diode D1 and D2 current sampling went out signal voltage and were added in triode b in the control loop this moment, between the e utmost point, make the triode conducting, at this moment, the dropping resistor R1 step-down of phase voltage in current supply circuit, diode D3 half-wave rectification is again after simple low-and high-frequency filtering, make the coil working of DC relay, its normally opened contact closure, at this moment, red diode is lighted, connected by the zero line of control socket, ac phase voltage is all arranged on by control socket all.Otherwise, after turning off host computer, there is not signal voltage between the b of triode, e, not conducting of triode, the DC relay coil does not have DC voltage, and its adhesive normally opened contact disconnects, then by the control socket non-transformer.Surging protection loop is by voltage dependent resistor (VDR) R4; Thermal Cutoffs FUSE and gas-discharge tube D5 form; when the transient overvoltage that is struck by lightning or the electrical network accidental cause causes comes then; just often the voltage dependent resistor (VDR) R4 resistance of approximate open circuit reduces greatly; gas-discharge tube D5 discharge; make all loads that are attempted by on the socket avoid being done harm to of superpotential and surge current; Thermal Cutoffs; itself and voltage dependent resistor (VDR) stick together; when the voltage dependent resistor (VDR) resistance reduces; be subjected to the temperature sensation of extraordinary big electric current and interrupt surge protecting circuit; at this moment, green neon lamp extinguishes, and this socket non-surge defencive function is described.

Automatically overload protective device places corresponding position, the face-piece back side, and when host computer and peripherals short circuit or overload, the excess current in the circuit makes the bimetallic strip bending of automatic overload protective device inside, and the contact is disconnected, thereby interrupts power supply.After waiting to fix a breakdown, reset by the reset button on the automatic overload protective device.Make the electric equipment still can operate as normal.

Above-mentioned three utmost point inner cores, two utmost point inner cores, electronic circuit board, overload protective device are installed on the corresponding position, the face-piece back side; connecting between each inner core with conducting strip; and connect line between conducting strip, electronic circuit board, overload protective device and the circumscripted power line; then drain pan, face-piece combination; with the mounting hole place of screw around drain pan, drain pan, face-piece are fused.Compared with prior art, advantage of the present utility model is: one. a fixed installation hole and a mounting groove arranged on the utility model socket, and socket both can be placed on a correct position arbitrarily like this, also can be fixed in a place.Two. the utility model socket has the jack that multiple shape meets various criterion, and the spacing between socket is big, both has been beneficial to the grafting requirement of the plug of different pin shapes, uses when being convenient to big plug again.Though three. the utility model has identical functions with existing socket on master control function, the utility model master control power is big, scope is wide, and circuit is very simple, reliable, produces easily, fault is low, has reduced production cost.Four. the utlity model has surge protection function, can absorb thunderbolt and transient overvoltage, surge current effectively, the infringement of avoiding electronic and electrical equipment to be struck by lightning.Five. the utlity model has automatic protection functions.When equipment short circuit that connects or overload, protector can be cut off the electricity supply automatically, the fire of avoiding other circuit and device damage and may causing, after causing that the equipment that overloads is removed after line fault is got rid of or on socket, hand-reset, socket can recover normal operating conditions.

Description of drawings

Fig. 1. stereographic map of the present utility model;

Fig. 2. the utility model removes the stereographic map behind the drain pan, and reflection is inner to be constituted;

Fig. 3. drain pan stereographic map of the present utility model;

The isometric front view of Fig. 4 A. the utility model lid shell, the reflection jack is arranged;

Fig. 4 B. the utility model lid shell rear isometric view, the layout of reflection erection column;

Fig. 5. the positive form after isometric front view of the present utility model, reflection lid make up with drain pan;

Fig. 6. the bottom surface form after bottom isometric view of the present utility model, reflection lid make up with drain pan;

Fig. 7. three utmost point inner core stereographic maps in the utility model, reflect the three-dimensional shape of three utmost point inner cores;

Fig. 8. two utmost point inner core stereographic maps in the utility model, reflect the three-dimensional shape of two utmost point inner cores;

Fig. 9. electronic-circuit diagram of the present utility model;

Figure 10. the stereographic map of existing power supply socket (prior art contrast scheme);

Figure 11. on-off circuit figure in the existing power supply socket (prior art contrast scheme);

Embodiment is described in further detail the utility model below in conjunction with accompanying drawing embodiment:

From Fig. 1,2 as seen, present embodiment comprises: face-piece 1, three utmost point inner cores 6, two utmost point inner cores 7, conducting strip 8, overload protective device 12, electronic circuit board 9 and drain pan 3.Electronic circuit board 9 comprises two pilot lamp 10 and 11, with the indication of indicating operating status and function.They lay respectively in the decorative panel 5 in the face-piece.

Fig. 3 is a drain pan synoptic diagram of the present utility model, and in the drain pan 3, its both sides are provided with the band mounting hole 14 of socket and the lug of mounting groove 16, and four jiaos are provided with the mounting hole 15 of moulding shell post 18 in the corresponding face-piece.

The front schematic view of Fig. 4 A. the utility model lid shell, its front is provided with three utmost point jacks 2 (present embodiment is four groups) and two utmost point jacks 4 (present embodiment is four groups).

Fig. 4 B. the utility model lid shell schematic rear view; Its back side is provided with: with the erection column 17 of three utmost point jacks, 2 corresponding installation three utmost point inner cores 6; erection column 19 with two utmost point jacks, 4 corresponding installation two utmost point inner cores 7; what connect drain pan and face-piece moulds shell post 18; the erection column 20 of electronic circuit board 9 is installed; power lead 13 is fixed on the line ball post 22 by through wires hole 21, and 23 is the reset hole of overload protective device.

The mounting hole 25 of the mounting hole 24 of three above-mentioned utmost point inner cores 6 (Fig. 7) and two utmost point inner cores 8 (Fig. 8) is placed on the corresponding erection column 17 and 19 at the back side of face-piece 1; connect with conducting strip 8 between each inner core; electronic circuit board 9 is put on the corresponding erection column 20 of face-piece 1; overload protective device 12 places the position of face-piece 1 23; circumscripted power line 13 is fixed on the line ball post 22; and connect overload protective device 12; electronic circuit board 9; line between conducting strip 8 and the circumscripted power line 13; again drain pan 3; in face-piece 1 combination; with mounting hole 15 places of screw around drain pan, drain pan 3; face-piece 1 fuses (as Fig. 5; 6).Fig. 9 is an electronic-circuit diagram of the present utility model, and it includes sample circuit, control circuit, current rectifying and wave filtering circuit and surge protecting circuit.Sample circuit includes two diode D1 and D2, and the base stage b of the negative electrode of D1, the anode of D2, triode TR and the N utmost point of main control socket are intersected in first node 28.It includes triode TR, pilot lamp LED and relay coil 26 control circuit, the negative pole of the emitter e of triode TR and capacitor C 1 and the power supply neutral line are connected in the 3rd node 30, and an end of the collector c of triode and the positive pole of capacitor C1, electromagnetic coil relay 26 intersects at second node 29 by LED.Rectification circuit includes capacitor C 2 and C3 and voltage stabilizing diode D4, their three's formation is connected in parallel, an end in parallel and the negative pole of C1 are parallel to the 3rd node 30, the other end in parallel becomes the 6th node 33, and described the 6th node 33 is to connect the series circuit that formed by resistance R 1 and diode D3 and the interconnective joint of the other end of electromagnetic coil relay 26.The surging circuit includes gas-discharge tube D5; the series circuit that voltage dependent resistor (VDR) R3 forms and by pilot lamp LAMP; another series circuit that resistance R 2 forms; these two series circuits form parallel connection again; an end in parallel is the 4th node 31; described the 4th node 31 is connected with the 3rd node 30 by fuse FUSE; and the 3rd node 30 is relay contacts 27; the anode of diode D1; the joint of the negative electrode of diode D2; the other end of parallel circuit becomes the 5th node 32; described the 5th node 32 is again master control; by the joint of control socket L line and overload protective device 12 1 ends, the other end of overload protective device 12 links to each other with the L line of electric power incoming line.

When the plug energized of electronics master control Socket for computor, the green neon lamp of LAMP is bright, (with the attaching plug of host computer insert main control socket if open host computer this moment, the attaching plug of peripheral equipment inserts by on the control socket), then the loop is by diode D1, D2 connects computer host power supply, this moment diode D1, the D2 current sampling goes out the b that signal voltage is added in triode TR, between the e utmost point, make triode TR conducting, at this moment, phase voltage is through dropping resistor R1 step-down, diode D3 half-wave rectification, D4 voltage stabilizing and C1, C2, C3 and DC relay coil 26 inductor combination height, behind the low frequency filtering, make coil 26 work of DC relay, its normally opened contact 27 closures, at this moment, red diode LED is lighted, connected by the N line of control socket, ac phase voltage is all arranged on by control socket all.Otherwise, after turning off host computer, there is not signal voltage between the b of triode TR, e, not conducting of triode TR, DC relay coil 26 no DC voltage, its adhesive normally opened contact 27 disconnects, then by the control socket non-transformer.OCS is the automatic overload protection device, and when peripherals short circuit or overload, the excess current in the circuit makes the bimetallic strip bending of OCS inside that the contact is disconnected, thereby interrupts power supply.After fixing a breakdown, reset by the reset button on the OCS.When the transient overvoltage that is struck by lightning or the electrical network accidental cause causes comes then; just often the voltage dependent resistor (VDR) R4 resistance of approximate open circuit reduces greatly; gas-discharge tube D5 discharge; make all loads that are attempted by on the socket avoid being done harm to of superpotential and surge current; FUSE is a Thermal Cutoffs; itself and voltage dependent resistor (VDR) R4 stick together; when the voltage dependent resistor (VDR) resistance reduces; be subjected to the temperature sensation of extraordinary big electric current and interrupt surge protecting circuit; at this moment; green neon lamp LAMP extinguishes, and this socket non-surge defencive function is described.

From the above, the utility model is that the electric power connecting of Portable computer main frame and peripheral equipment uses, and has master control, antioverloading, anti-lightning strike security protection performance, to reach the purpose of protection host computer and peripheral equipment.

Claims (7)

1. electronics master control Socket for computor, it includes can take off the face-piece (1) and the drain pan (3) that can close mutually, has a plurality of upright interconnecting with it for drain pans (3) fixing to mould shell post (18), be used for fixing the erection column (20) of electronic circuit board (9) and the line ball post (22) of fixed power source line (13) on the back side of face-piece (1); On described face-piece (1), be furnished with the two poles of the earth jack (4) and multi-pole plug-hole (2); On described face-piece (1), also arrange pilot lamp (10) and (11); Be furnished with on the described drain pan (3) with face-piece mould the corresponding mounting hole of shell post (18) (15), face-piece (1) and drain pan (3) close up that the back become around have the entrance hole (21) that power supply source line (13) penetrates on the leg.It is characterized in that: the jack (4) and (2) that are furnished with two or more shapes that meet country variant electrical standard defined on a. face-piece (1).B. include sample circuit, control circuit, current rectifying and wave filtering circuit and surge protecting circuit on the described electronic circuit board (9).

2. electronics master control Socket for computor as claimed in claim 1 is characterized in that: described sample circuit includes two diode D1 and D2, and the base stage b of the negative electrode of D1, the anode of D2, triode TR and the N utmost point of main control socket are intersected in first node (28).

3. electronics master control Socket for computor as claimed in claim 1, it is characterized in that: it includes triode TR, pilot lamp LED and relay coil (26) described control circuit, the negative pole of the emitter e of triode TR and capacitor C 1 and the power supply neutral line are connected in the 3rd node (30), and an end of the collector c of triode TR, the positive pole of capacitor C1, electromagnetic coil relay (26) intersects at second node (29) by LED.

4. circuit includes capacitor C 2, C3 and voltage stabilizing diode D4, their three's formation is connected in parallel, an end in parallel and the negative pole of C1 are parallel to the 3rd node 30, the other end in parallel becomes the 6th node (33), and described the 6th node (33) is again to connect the series circuit that formed by resistance R 1 and diode D3 and the interconnective joint of the other end of electromagnetic coil relay (26).

5. electronics master control Socket for computor as claimed in claim 1; it is characterized in that: described surging circuit; it includes gas-discharge tube D5; the series circuit that voltage dependent resistor (VDR) R3 forms and by pilot lamp LAMP; another series circuit that resistance R 2 forms; these two series circuits form parallel connection again; an end in parallel is the 4th node (31); described the 4th node (31) is connected with the 3rd node (30) by fuse FUSE; and the 3rd node (30) is relay contact (27); the anode of diode D1; the joint of the negative electrode of diode D2; the other end of parallel circuit becomes the 5th node (32); described the 5th node (32) is again master control; by the joint of control socket L line and overload protective device (12) one ends, the other end of overload protective device (12) links to each other with the L line of electric power incoming line.

6. electronics master control Socket for computor as claimed in claim 1 is characterized in that: the fixedly upright erection column (17) of usefulness of three utmost point inner cores (6) of installation is arranged on the back side of face-piece (1), and it inserts in the mounting hole (24) of three utmost point inner cores (6).

7. electronics master control Socket for computor as claimed in claim 1 is characterized in that: the fixedly upright erection column (19) of usefulness of two utmost point inner cores (7) of installation is arranged on the back side of face-piece (1), and it inserts in the mounting hole (25) of two utmost point inner cores (7).

Images