CN1812209A

CN1812209A - Safety return circuit device for socket

Info

Publication number: CN1812209A
Application number: CN 200510023587
Authority: CN
Inventors: 林志诚
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-01-26
Filing date: 2005-01-26
Publication date: 2006-08-02
Anticipated expiration: 2025-01-26
Also published as: CN100544128C

Abstract

This invention discloses a kind of safety return circuit apparatus of socket. It concludes a socket body, on which sets the power supply inserting slot. Double-jacks socket for electric equipment plug is arranged on the power supply inserting slot. The socket body is set with power supply line. Between the power supply inserting slot and the power supply line is arranged with conducted return circuit, which concludes a bridge return circuit and many touch-controlled return circuits. The bridge return circuit has the double-input end and double-transmit switching end. The double-input end and double-transmit switching end are arranged at both sides of each corresponding jack socket. The adjoining double-input end and double-transmit switching end of different sides of the double-jacks socket form the conducted return circuit. The touch-controlled return circuit is set between the double-jacks socket and the bridge return circuit. It is connected with the double-input end and double-transmit switching end.

Description

The safety return circuit device of socket

Technical field

The invention belongs to the jack technology field, relate in particular to a kind of safety return circuit device of socket.

Background technology

Along with the universalness of electrical home appliances, almost must contact with electrical appliances such as TV, computer, washing machine, desk lamps every day in common people's daily life, so power delivery equipment such as socket, plug also are full of each corner in family.The jack that the charger plug of general household socket inserts does not often add sealing and is open state, when holding in the foreign matter insertion jack as if children in the family, tends to cause the situation of electric shock.In order to improve above-mentioned disappearance, the safety socket of multiple protection against electric shock is arranged in the market, and their design can not reach effectively and avoid the purpose of getting an electric shock, enumerate an example now and be summarized as follows.

See also Fig. 1 and 2, a kind of safety socket, its structure is provided with one group of holder group of being made up of two-supremes holder 11 and two low holders 12 for the base position in a socket 1.Wherein, two-supremes holder 11 is located at the both sides of low holder 12 respectively, and is respectively equipped with ㄩ shape fluting 111 on it, and two slide plates 2 are set therebetween.Two low holders 12 are located between the two-supremes holder 11, and are state arranged side by side with respect to this slide plate 2.Should be provided with half-arc groove 121 in low holder 12 tops, can be horizontal fixing for a tip post 3, the left and right sides slippage action that makes this two slide plate 2 do to locate.Two groups of long and

short reeds

4,5 are located at the position of the inner both sides of socket with respect to the seat hole with fixing and manner respectively in addition.When slide plate 2 and tip post 3 are fixed on this high and

low holder

11,12, the left and right sides slippage action that can make this two slide plate 2 do to locate.Whereby, when only foreign matter was inserted in a side seat hole 13, this patchhole position was also non-conductive, yet with respect to being current conductive state in other the side seat hole.

Above-mentioned traditional safety socket has the function that prevents improper electric shock in theory really, but but can't reach the function of Electrical Safety on actual the use really.In other words, this traditional socket still has the situation that causes improper electric shock when using, simultaneously not good because of its structural design again, also has and uses not good enough situation, now is specified in down:

1, the shortcoming of Electrical Safety: traditional safety socket utilizes the short reed of left and right slip pushing and pressing of slide plate, and the short reed of order contacts with long reed and reaches the purpose of power turn-on.When foreign matter only inserts a side seat hole, though this side seat Kong Buhui conduction, and the seat Kong Ze of opposite side is the state of current lead-through.If the ignoramus (as children etc.) insert two holes simultaneously with the metal holder of using always as medical personnel, when foreign matter of perhaps second-hand Ge Na inserts seat hole, both sides simultaneously, then can promote this slide plate easily and produce the situation of improper electric shock, so the electrical safety of this safety socket is still not high.

2, poor structure: traditional safety socket must can be reached the purpose of power turn-on by the slip of slide plate, and this two slide plate utilizes tip post to wear and possess the slip effect.If when slide plate is done horizontal left and right slips, produce friction unavoidably with tip post, so, the retardance sense is arranged when not only plug inserts easily and can't insert smoothly, seriously cause when damaging as if rubbing simultaneously, easier contact to power turn-on exerts an adverse impact.

Summary of the invention

The purpose of this utility model is to overcome the defective of above-mentioned prior art, and a kind of safety return circuit device of socket is provided.

The purpose of this utility model is achieved in that the safety return circuit device of this socket includes a jack body, this jack body is provided with power supply slot, this power supply slot has two jack bases that the charger plug inserts, be equipped with power line on this jack body, be provided with the loop of conducting electric current between this power supply slot and this power line, this loop includes a cross-over connection loop and some touch-controls loop, this cross-over connection loop is located between this two jack base, this cross-over connection loop has two inputs and two and transfers end, this input and transfer end and be located at the respectively both sides of this jack base relatively, this two jack base not homonymy adjacent input and transfer and constitute the conducting loop between the end; This touch-control loop is located between this two jack base and this cross-over connection loop, and touch-control is arranged in this two input, two and transfers end.

Wherein, this cross-over connection loop is made of two jumpers, and respectively these jumper two ends are respectively equipped with this input and transfer end, and the input of this two jumper and transfer the side that end is cross-placed on this two jack base simultaneously is provided with the isolated sheet of an insulation between this two jumper; Respectively fixedly guide card and a movable guide card constitute by one in this touch-control loop, should be fixedly guide card is one-body molded is connected to the input at these jumper two ends respectively and transfers end, this movable guide card is located at the relatively fixedly appropriate location of guide card, and transverse presentation is on the path that this jack base charger plug inserts, movable guide card to input that should two jumpers is connected to this power line, and the medial surface that this movable guide card contacts with appliance plug is provided with an insulating barrier.

This cross-over connection loop is made of two jumpers, and respectively the two ends of this jumper are respectively equipped with this input and transfer end, this respectively this jumper input and transfer the side that end is cross-placed on this two jack base simultaneously; This touch-control loop touch-control be arranged in this two jumpers corresponding end input, transfer end.

Respectively this touch-control loop by one fixedly guide card and movable guide card constitute, this fixedly the one-body molded input that is connected to these jumper two ends respectively of guide card with transfer end; This movable guide card is located at this fixedly relative appropriate location of guide card, and transverse presentation is on the path that this jack base charger plug inserts, movable guide card to input that should two jumpers is connected to this power line, and the medial surface that this movable guide card contacts with appliance plug is provided with an insulating barrier.

Be provided with the isolated sheet of an insulation between this two jumper.

This two jumper is the Z font, is cross-placed between this two jack base with interleaved mode.

Respectively this touch-control loop by one fixedly guide card and movable guide card constitute, this fixedly the one-body molded input that is connected to these jumper two ends respectively of guide card with transfer end; This movable guide card is located at this fixedly relative appropriate location of guide card, and the movable guide card of input that should two jumpers is connected to this power line, this fixedly the medial surface that contacts with attaching plug of guide card be provided with an insulating barrier.

This insulating barrier has an inclined plane part wide at the top and narrow at the bottom.

This jack body is provided with two power supply contact pin, and this power line is connected in this power supply contact pin.

This power supply contact pin stage casing appropriate location extends folding downwards and is provided with inserting part, and the corresponding position that this jack body is established for this two power supplys contact pin group is formed with the open-work that passes for this inserting part, and this power line is connected to the appropriate location of the inserting part upper limb of this two power supplys contact pin.

Positive progressive effect of the present invention is: this cross-over connection loop and this touch-control loop can be controlled the conversion of normal opened contact and normally closed contact between this cross-over connection loop and the power supply slot effectively, whereby, can be so that the short circuit of jack base loop conducting and open circuit by the adjacent input of this two jack base and transfer touch-control circuit controls between the end, really improve the fail safe that socket power uses, effectively avoid the improper use of socket and cause the electric shock situation.

Description of drawings

Fig. 1 is the perspective exploded view of conventional socket;

Fig. 2 is the user mode combination dissected figure of conventional socket;

Fig. 3 is a three-dimensional combination schematic diagram of the present invention;

Fig. 4 is a perspective exploded view of the present invention;

Fig. 5 is a combined planar schematic diagram of the present invention;

Fig. 6 is a combination generalized section of the present invention;

Fig. 7 is another embodiment generalized section of touch-control of the present invention loop;

Fig. 8 is the simple and easy schematic diagram in loop of the present invention;

Fig. 9 is the schematic diagram of complete conducting state for loop of the present invention;

Figure 10 is the schematic diagram of blocking state for loop of the present invention;

Figure 11 is the combination schematic diagram of further embodiment of this invention.

Embodiment

In order further to understand structural design of the present invention, explain the present invention in conjunction with the accompanying drawings in detail:

See also Fig. 3-8, it is the safety return circuit device of socket of the present invention, and it is made up of a jack body 20, cross-over connection loop 30 and some touch-controls loop 40, wherein:

The socket of this jack body 20 for being provided with on the general home wall, or the employed jack body structure of extended line socket.It is by a base 21 and be located at members such as power supply slot 22 on this base, two power supply contact pin 23 and form.This base 21 is general geometry, and this base 21 is provided with this two power supplys contact pin 23 near the place, two ends in the outside, and the appropriate location in its stage casing is then located this power supply slot 22.This power supply slot 22 is made of two jack bases 24, and respectively this jack base 24 generally is the ㄩ font, and the apical margin both sides have to do to press from both sides when charger plug 50 inserts establishes the reed 241 that connects.And this two power supplys contact pin 23 is in order to connecing ground wire 61 and the live wire 62 of establishing power line 60, and ground wire 61 or live wire 62 are arranged in two ends of this power supply contact pin 23 or the appropriate location that protrude in the stage casing.

This cross-over connection loop 30 is located between this two jack base 24, has two inputs 311,321 and two and transfers end 312,322, makes input 311,321 and transfers end and 312,322 be located at the respectively both sides of this jack base 24 relatively.At the input 311,321 of same jack base 24 both sides and transfer not connect between the end 312,322 and be set as the loop, and make the adjacent input 311,321 of this two jack base 24 with transfer hold 312,322 between conducting connect and be set as the loop.With the embodiment of the invention is example: this cross-over connection loop 30 is made of two jumpers 31,32.The planform of this two

jumper

31,32 is also unrestricted in principle, mainly be to be respectively equipped with this input 311,321 in the two ends of each jumper and to transfer end 312,322, and make the input 311 of this first jumper 31 and transfer end 312, and the input 321 of this second jumper 32 with transfer the side that end 322 is cross-placed on different jack base 24 simultaneously, reach the purpose of loop cross-conduction.What further specify is that this two

jumper

31,32 all is the Z font in the embodiment of the invention, strides with interleaved mode again and is located between this two jack base 24, and be provided with isolated sheet 33 between this two

jumper

31,32, as the purpose that insulate between the loop.

The both sides of this two jack base 24 also are located in this touch-control loop 40 respectively, and with these two jumpers, 31,32 corresponding input end 311,321 and transfer end 312,322 and connect as touch-control and to establish, in order to control the conversion of normal opened contact and normally closed contact between this cross-over connection loop 30 and the power supply slot 22.Respectively this touch-control loop 40 is oppositely arranged by fixedly guide card 41 and movable guide card 42 and constitutes.Wherein should be fixedly guide card 41 is one-body molded is connected to the input 311,321 at these two jumpers, 31,32 two ends and transfers and hold 312,322 places; This movable guide card 42 is located at this fixedly relative appropriate location of guide card 41, and slightly transverse presentation on the path of charger plug 50 insert groups on this jack base 24.In addition, the movable guide card 42 of input 311,321 that should two

jumpers

31,32 ground wire 61, the live wire 62 with this power line 60 connected.Connect this movable guide card 42 of establishing with power line 60, its medial surface that contacts with appliance plug 50 is provided with an insulating barrier 71, avoids the ground wire 61 of power supply, live wire 62 to produce the loop contact phenomena.

Wherein, movable guide card 42 that should input 311,321 is locked in this power supply contact pin 23, to should two movable guide card 42 one-body molded sides that are connected to this two jack base 24 of transferring end 321,322.So, the object that is inserted in arbitrary jack base 24 must touch the movable guide card 42 in the touch-control loop 40 of both sides simultaneously, then is closure state, can make the loop conducting.

As shown in Figure 7, if fixedly guide card 41 and movable guide card 42 are locked in location swap on this jack body 20, promptly this fixedly guide card 41 be positioned at the inboard of adjacent this jack base 24, and this movable guide card 42 is positioned at outermost.So, stir when inserted by this appliance plug 50 and the member of doing to touch contact just is fixing guide card 41, this insulating barrier 71 is located at this fixedly medial surface of contacting with attaching plug 51 of guide card 41 simultaneously.In addition, in order further to promote safe effect of the present invention, this insulating barrier 71 and the outer edge surface that electric edge plug 51 works touch can form an inclined plane part 711 wide at the top and narrow at the bottom.When appliance plug 50 is inserted in this two jack base 24, this jack base 24 that must submerge fully, can touch really this two fixedly guide card 41 be conducting state with movable guide card 42.

The safety return circuit device of the socket of being made up of above-mentioned member is by its short circuits of circuit controls of a jack base 24 power supply source conductings and open circuit, promptly by the adjacent input 311,312 of this two jack base 24 and transfer touch-control loop 40 decisions between the end 312,321.Have only the length and width size when the object that inserts to conform to the dimensions of appliance plug 50, could touch two relative touch-control loops 40, it can improve the fail safe that socket power uses really.

As from the foregoing, utilize the setting in cross-over connection of the present invention loop 30 and touch-control loop 40, can reach the function that improves the socket electrical safety really, avoid socket to be caused the situation of electric shock by improper use, promote the steadiness of its structure simultaneously, now further specify as follows again.

When socket of the present invention uses, desire to make whole electric power loop conducting, four touch-control loops 40 all are touched, and are the state (shown in Figure 9) of normally closed contact.This touch-control loop 40 is provided with because of the interval, and with respect to jack base 24 both sides.If the foreign matter that will conduct electricity only inserts the jack base 24 of a side,, the loop of the jack base 24 of this side or adjacent side is connected even touch the touch-control loop 40 of both sides.Avoid improper electric shock situation odds (as shown in figure 10) so it can improve,, have substantial improvement really with respect to sockets all on the present market.

As mentioned above, what need further specify is, even also there are active, naughty children may take just close foreign matter to insert simultaneously in two jack bases 24 with the length and width equidimension of jack base 24, and because of the movable guide card 42 in this touch-control loop 40 of the present invention be that transverse presentation is on the path that charger plug 50 inserts.If its side of object that inserts is not done the lead angle design, just can do to contact firmly with movable guide card 42, and can't unimpededly push against this movable guide card 42, thus make this movable guide card 42 can't contact with fixing guide card 41, so can further improve fail safe of the present invention.All design the pushing and pressing face 51 of arc or conical surface shape because of general its ora terminalis side of appliance plug again, thereby can promote this movable guide card 42 smoothly.Secondly, with regard to structure is formed, the design in Electrical Safety of the present invention loop, do not utilize a certain member to do the slip of left and right or upper and lower displacement, cooperate also simplyr between the member simultaneously, so can improve the steadiness of socket relatively, thus avoid causing influence improperly.

See also Figure 11 again, the above embodiments of the present invention are general commonly used socket kenel, and along with the diversification of product design, socket of the present invention also can be the socket of switching type.As shown in the figure, the transfer variation of formula socket of the present invention is that these power supply contact pin 23 stage casing appropriate locations extend the inserting part 231 that folding is provided with a plug downwards, this base 21 then forms the open-work (not shown) for 23 groups of corresponding appropriate locations of establishing of this two power supplys contact pin, makes this inserting part 231 by the opposite side that outwards passes this base 21.The ground wire 61 of power line 60, live wire 62 then are arranged in the appropriate location of inserting part 231 upper limbs of this two power supplys contact pin 23.In view of the above, after other associated components assembling is finished,, then form switching formula socket by the setting of this inserting part 231.

Claims

1, a kind of safety return circuit device of socket, it includes a jack body, this jack body is provided with power supply slot, this power supply slot has two jack bases that the charger plug inserts, be equipped with power line on this jack body, be provided with the loop of conducting electric current between this power supply slot and this power line, it is characterized in that:

This loop includes a cross-over connection loop and some touch-controls loop, this cross-over connection loop is located between this two jack base, this cross-over connection loop has two inputs and two and transfers end, this input and transfer end and be located at the respectively both sides of this jack base relatively, this two jack base not homonymy adjacent input and transfer and constitute the conducting loop between the end; This touch-control loop is located between this two jack base and this cross-over connection loop, and touch-control is arranged in this two input, two and transfers end.

2, the safety return circuit device of socket according to claim 1, it is characterized in that: this cross-over connection loop is made of two jumpers, respectively these jumper two ends are respectively equipped with this input and transfer end, the input of this two jumper and transfer the side that end is cross-placed on this two jack base simultaneously is provided with the isolated sheet of an insulation between this two jumper; Respectively fixedly guide card and a movable guide card constitute by one in this touch-control loop, should be fixedly guide card is one-body molded is connected to the input at these jumper two ends respectively and transfers end, this movable guide card is located at the relatively fixedly appropriate location of guide card, and transverse presentation is on the path that this jack base charger plug inserts, movable guide card to input that should two jumpers is connected to this power line, and the medial surface that this movable guide card contacts with appliance plug is provided with an insulating barrier.

3, the safety return circuit device of socket according to claim 1, it is characterized in that: this cross-over connection loop is made of two jumpers, respectively the two ends of this jumper are respectively equipped with this input and transfer end, this respectively this jumper input and transfer the side that end is cross-placed on this two jack base simultaneously; This touch-control loop touch-control be arranged in this two jumpers corresponding end input, transfer end.

4, the safety return circuit device of socket according to claim 3, it is characterized in that respectively this touch-control loop by one fixedly guide card and movable guide card constitute, this fixedly the one-body molded input that is connected to these jumper two ends respectively of guide card with transfer end; This movable guide card is located at this fixedly relative appropriate location of guide card, and transverse presentation is on the path that this jack base charger plug inserts, movable guide card to input that should two jumpers is connected to this power line, and the medial surface that this movable guide card contacts with appliance plug is provided with an insulating barrier.

5, the safety return circuit device of socket according to claim 3 is characterized in that being provided with between this two jumper an isolated sheet that insulate.

6,, it is characterized in that this two jumper is the Z font, is cross-placed between this two jack base with interleaved mode according to the safety return circuit device of claim 2 or 5 described sockets.

7, according to the safety return circuit device of claim 3 or 5 described sockets, it is characterized in that: respectively this touch-control loop by one fixedly guide card and movable guide card constitute, this fixedly the one-body molded input that is connected to these jumper two ends respectively of guide card with transfer end; This movable guide card is located at this fixedly relative appropriate location of guide card, and the movable guide card of input that should two jumpers is connected to this power line, this fixedly the medial surface that contacts with attaching plug of guide card be provided with an insulating barrier.

8, the safety return circuit device of socket according to claim 7 is characterized in that: this insulating barrier has an inclined plane part wide at the top and narrow at the bottom.

9, the safety return circuit device of socket according to claim 1 is characterized in that: this jack body is provided with two power supply contact pin, and this power line is connected in this power supply contact pin.

10, the safety return circuit device of socket according to claim 9, it is characterized in that: this power supply contact pin stage casing appropriate location extends folding downwards and is provided with inserting part, the corresponding position that this jack body is established for this two power supplys contact pin group is formed with the open-work that passes for this inserting part, and this power line is connected to the appropriate location of the inserting part upper limb of this two power supplys contact pin.