CN204271377U - The safety socket that a kind of fastener connects - Google Patents

Abstract

The utility model discloses the safety socket that a kind of fastener connects, and comprises housing, and housing has the lid of patchhole by top and base combination forms, and lid and base are linked together by fastener structure; Comprise in housing: the first conductive connection part; Second conductive connection part; First conduction intermediate, itself and the first conductive connection part have a pair first contacts respect to one another; First conduction insertion section, itself and first conduct electricity on intermediate there are a pair second contacts respect to one another; Second conduction intermediate, itself and the second conductive connection part have a pair the 3rd contacts respect to one another; Second conduction insertion section, itself and second conduct electricity on intermediate there are a pair the 4th contacts respect to one another; First rotary module, comprises the first rotating shaft be placed on base and the first spin-block hanging on the first rotating shaft terminal; Second rotary module, comprises the second rotating shaft be placed on base and the second spin-block hanging on the second rotating shaft terminal.

Description

The safety socket that a kind of fastener connects

Technical field

The utility model relates to electric field, in particular to the safety socket that a kind of fastener connects.

Background technology

Supply socket is for electrical equipment provides the electric equipment of power interface, is also use more electrical accessory in electrical design, it and the production of people, very close relationship of living.Conventional socket has two jacks or three jacks, in order to be combined with the plug with two electrodes or the plug with three electrodes.

Through development for many years, no matter the security performance of socket is that material or structure there has been larger raising on the whole, but also there are some potential safety hazards at present is not overcome.Such as, because the installation site of some socket is lower, more sometimes there is no the people of electric power general knowledge as child, hold the electric conducting materials such as iron wire and be inserted in jack and cause electric shock accidents.This is open question for a long time.

In addition, because the jack of socket exposes in atmosphere, therefore, in the moment of plug insertion socket, often can with electric spark phenomenon, and in the moment that plug is extracted from socket, often can with arc light phenomenon.In addition, when socket splashes water, have socket short circuit and the problem burnt out.

Utility model content

The safety socket that the utility model provides a kind of fastener to connect, in order to improve the safety in utilization of socket.

For achieving the above object, the utility model provides a kind of safety socket, comprises housing, and housing has the lid of patchhole by top and base combination forms, and lid and base are linked together by fastener structure; Comprise in housing:

First conductive connection part, it is connected with zero line;

Second conductive connection part, it is connected with live wire;

First conduction intermediate, itself and the first conductive connection part have a pair first contacts respect to one another;

First conduction insertion section, itself and first conduct electricity on intermediate there are a pair second contacts respect to one another;

Second conduction intermediate, itself and the second conductive connection part have a pair the 3rd contacts respect to one another;

Second conduction insertion section, itself and second conduct electricity on intermediate there are a pair the 4th contacts respect to one another;

First rotary module, is positioned at the first conduction intermediate side, comprises the first rotating shaft be placed on base and the first spin-block hanging on the first rotating shaft terminal;

Second rotary module, is positioned at the second conduction intermediate side, comprises the second rotating shaft be placed on base and the second spin-block hanging on the second rotating shaft terminal;

When two inserted sheets of plug insert the jack of socket, two inserted sheets first conduct electricity insertion section respectively with first, second conduction insertion section contacts, and then two inserted sheet extrude the first spill spin block respectively around the first rotating shaft, second spill spin block rotates around the second rotating shaft, first spin-block rotation forces first of the first rotating shaft terminal conducts electricity the first contact on intermediate and the first contact electrical connection on the first conductive connection part corresponding with it, the second contact that the second contact and corresponding with it first on first conduction intermediate is conducted electricity on insertion section is electrically connected, the 3rd contact on second conduction intermediate and the 3rd contact on the second conductive connection part corresponding with it are electrically connected, the 4th contact that the 4th contact and corresponding with it second on second conduction intermediate is conducted electricity on insertion section is electrically connected.

Further, above-mentioned socket also comprises: piezo-resistance, the first zero sequence current mutual inductor, integrated chip, controllable silicon, tripping coil and tripping mechanism, wherein

The two ends of piezo-resistance are connected with the zero line of socket with the live wire of socket respectively;

First zero sequence current mutual inductor comprise the first loop, through the first loop the first induction coil, to be positioned at the first induction coil inner to improve the first magnet ring of the sensing capability of the first induction coil, the live wire of socket and zero line are all through the first loop, and the first induction coil induces the first induced current when the vector of live wire electric current and neutral line current changes and exceeds setting range;

The input of integrated chip is connected with the output of the first induction coil, a predetermined threshold in first induced current and integrated chip is compared, when higher than predetermined threshold, export a triggering signal to control extremely to be connected with silicon controlled, silicon controlled anode is connected with one end of tripping coil, the other end of tripping coil is connected with the live wire of socket, and silicon controlled negative electrode is connected with the zero line of socket;

Tripping mechanism comprises the reset key that a lower end has draw-in groove, draw-in groove is suitable for the locking plate of the iron core blocking tripping coil, clamped condition and disengaged position is there is between locking plate and reset key draw-in groove, wherein, clamped condition is that reset key presses down in process because locking plate pushes the state that draw-in groove blocks reset key under the effect of iron core stage clip, disengaged position is when tripping coil is energized, and locking plate, under iron core drives, moves along the opposite direction with the movement of iron core stage clip and leaves the state of draw-in groove.

Further, above-mentioned socket also comprises: the second induction coil, circuit overcurrent protection, wherein

Second induction coil and the first induction coil form transformer mixer oscillator;

Circuit overcurrent protection comprises second diode and the 5th resistance of connecting with the second induction coil, with the 6th electric capacity of the 5th resistor coupled in parallel, is connected to the 3rd diode that the 6th electric capacity one end and silicon controlled control between pole.

Further, above-mentioned socket also comprises: the test lead that two ends are connected with the zero line of socket with the live wire of socket respectively, and is connected to the testing button on test lead.

Further, test lead also to be connected a resistance.

Further, above-mentioned socket also comprises: indicating circuit, indicating circuit comprises the 6th resistance, the 6th diode and the 5th diode, wherein the 6th resistance is connected between the zero line of socket and the anode of the 6th diode, the negative electrode of the 6th diode is connected with the anode of the 5th diode, the negative electrode of the 5th diode is connected with the live wire of socket, and the 6th diode is light-emitting diode.

Further, above-mentioned socket also comprises: the first diode and the 3rd resistance, and the anode of the first diode is connected with the zero line of socket, between the negative electrode that the 3rd resistance is connected to the first diode and integrated chip.

Further, above-mentioned socket also comprises:

To be arranged on base, as multiple through holes of guiding gutter.

In the above-described embodiments, be not energized immediately when the plug of external loading is inserted into socket, but first in electrical contact by each pair of contact, then just conduct electricity, prevent the generation of electric spark phenomenon; In addition, the size model inserting the inserted sheet of receptacle sockets must meet national standard and could promote spill spin block rotation, therefore, even if when the electric conducting materials such as child's iron wire insert a jack or two jacks of socket, socket all can not conduct electricity, thus avoids the electric shock accidents caused because of misoperation.

Accompanying drawing explanation

In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.

Fig. 1 is the shell structure schematic diagram of the safety socket of the utility model one embodiment;

Fig. 2 is the safety socket circuit schematic diagram of the utility model one embodiment;

Fig. 3 is the safety socket circuit schematic diagram of the utility model one preferred embodiment.

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not paying the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.

Fig. 1 is the shell structure schematic diagram of the safety socket of the utility model one embodiment; As shown in the figure, this housing has the lid A1 of jack and base A2 by top and combines, and lid A1 and base A2 is linked together by fastener structure, replaces conventional screw to connect.

Fig. 2 is the safety socket circuit schematic diagram of the utility model one embodiment.As shown in the figure, comprise in housing:

First conductive connection part 11, is connected with zero line L;

Second conductive connection part 21, is connected with live wire N;

First conduction intermediate 12, itself and the first conductive connection part 11 have a pair first contacts respect to one another respectively;

First conduction insertion section 13, itself and first conduct electricity on intermediate 12 there are a pair second contacts respect to one another respectively;

Second conduction intermediate 22, itself and the second conductive connection part 21 have a pair the 3rd contacts respect to one another respectively;

Second conduction insertion section 23, itself and second conduct electricity on intermediate 22 there are a pair the 4th contacts respect to one another respectively;

Ground wire insertion section 31, it is connected with ground wire GND;

First rotary module (not shown), is positioned at the first conduction intermediate 12 side, and it comprises the first rotating shaft be placed on base and the first spin-block hanging on the first rotating shaft terminal;

Second rotary module (not shown), is positioned at the second conduction intermediate 22 side, and it comprises the second rotating shaft be placed on base and the second spin-block hanging on the second rotating shaft terminal;

In figure, 101 for having the load of two blade plug, and 102 for having the load of three blade plug, and K1, K2, K3, K4, K5 are respectively the jack of socket, when having the holes jack of insertion socket of plug or the three hole jacks of two inserted sheets or three inserted sheets, two inserted sheets of plug first conduct electricity insertion section 13 respectively with first, second conduction insertion section 23 contacts, and then two inserted sheets extrude the first spill spin block respectively around the first rotating shaft simultaneously, second spill spin block rotates around the second rotating shaft, first spin-block rotation forces first of the first rotating shaft terminal conducts electricity the first contact on intermediate 12 and the first contact electrical connection on the first conductive connection part 11 corresponding with it, the second contact that the second contact and corresponding with it first on first conduction intermediate 12 is conducted electricity on insertion section 13 is electrically connected, the 3rd contact on second conduction intermediate 22 and the 3rd contact on the second conductive connection part 21 corresponding with it are electrically connected, the 4th contact that the 4th contact and corresponding with it second on second conduction intermediate 22 is conducted electricity on insertion section 23 is electrically connected, thus load is energized.

Visible, in the above-described embodiments, be not energized immediately when the plug of external loading is inserted into socket, but first in electrical contact by each pair of contact, then just conduct electricity, prevent the generation of electric spark phenomenon; In addition, the size model inserting the inserted sheet of receptacle sockets must meet national standard and could promote spill spin block rotation, therefore, even if when the electric conducting materials such as child's iron wire insert a jack or two jacks of socket, socket all can not conduct electricity, thus avoids the electric shock accidents caused because of misoperation.

In addition; when the plug of load is extracted from socket; the conduction insertion section of socket first can disconnect with middle brace; then the inserted sheet of the plug of load is just extracted from socket; thus plug can not produce arc light phenomenon from the moment that socket is extracted, play the effect protecting the inserted sheet of load plug and the conduction insertion section of socket to damage.

Fig. 3 is the safety socket circuit schematic diagram of the utility model one preferred embodiment.As shown in Figure 3, this socket also comprises: piezo-resistance MOV, the first zero sequence current mutual inductor N1, integrated chip IC, controllable silicon D4, tripping coil J1 and tripping mechanism (not shown), wherein

The two ends of piezo-resistance MOV are connected with zero line L with the live wire N of socket respectively;

First zero sequence current mutual inductor N1 comprise the first loop, through the first loop the first induction coil, to be positioned at the first induction coil inner to improve the first magnet ring of the sensing capability of the first induction coil, the live wire N of socket and zero line L is all through the first loop, and the first induction coil induces the first induced current when the vector of live wire electric current and neutral line current changes and exceeds setting range;

The input (pin two, 3) of integrated chip IC is connected with the output of the first induction coil N1, a predetermined threshold in first induced current and integrated chip IC is compared, when higher than predetermined threshold time, pin 7 exports a triggering signal and is extremely connected with the control of controllable silicon D4, the anode of controllable silicon D4 is connected with one end of tripping coil J1, the other end of tripping coil J1 is connected with the live wire N of socket, and the negative electrode of controllable silicon D4 is connected with the zero line L of socket;

Tripping mechanism comprises the reset key that a lower end has draw-in groove, draw-in groove is suitable for the locking plate of the iron core blocking tripping coil, clamped condition and disengaged position (as shown in S1 in Fig. 3) is there is between locking plate and reset key draw-in groove, wherein, clamped condition is that reset key presses down in process because locking plate pushes the state that draw-in groove blocks reset key under the effect of iron core stage clip, disengaged position is when tripping coil is energized, locking plate, under iron core drives, moves along the opposite direction with the movement of iron core stage clip and leaves the state of draw-in groove.

As shown in Figure 3, above-mentioned socket also comprises: be connected to after the second electric capacity C2 and the second resistance R2, the second electric capacity C2 and the second resistance R2 parallel connection between one end that integrated chip pin one and the first resistance R1 be connected with pin two.

As shown in Figure 3, above-mentioned socket also comprises: the second induction coil N2 and circuit overcurrent protection, wherein

The live wire of socket is through the second induction coil, and when socket has operating current, the second induction coil induces an AC signal;

Circuit overcurrent protection comprises the second diode D2 and the 5th resistance R5 that connect with the second induction coil N2, and the six electric capacity C6 in parallel with the 5th resistance R5 is connected to the 3rd diode D3 between the 6th electric capacity C6 one end and the control pole of controllable silicon D4;

The AC signal of the second induction coil produces a voltage drop after the second diode D2 halfwave rectifier on the 5th resistance R5; a voltage signal is produced through the 6th electric capacity C6 filtering (C6 has delay function); when socket main circuit current is greater than set point; this voltage signal triggers controllable silicon D4 by the 3rd diode D3; make tripping mechanism J1 action; disconnect main circuit, reach overcurrent protection effect.

As shown in Figure 3, above-mentioned socket also comprises: the first diode D1 and the 3rd resistance R3, and the anode of the first diode D1 is connected with the zero line L of socket, and the 3rd resistance R3 is connected between the negative electrode of the first diode D1 and integrated chip IC pin 5.

As shown in Figure 3, above-mentioned socket also comprises:, be connected to the 3rd electric capacity C3 between integrated chip IC pin 6 and the other end of the 6th electric capacity C6, be connected to the 4th electric capacity C4 between integrated chip IC pin 8 and the other end of the 6th electric capacity C6, be connected to the 5th electric capacity C5 between integrated chip IC pin 7 and the other end of the 6th electric capacity C6.

As shown in Figure 3, above-mentioned socket also comprises: the test lead that two ends are connected with zero line L with the live wire N of socket respectively, and is connected to the testing button T on test lead, for preventing electric current excessive and burning out, test lead is also in series with resistance R0.

As shown in Figure 3, above-mentioned socket also comprises: indicating circuit, indicating circuit comprises the 6th resistance R6, the 6th diode D6 and the 5th diode D5, wherein the 6th resistance D6 is connected between the zero line L of socket and the anode of the 6th diode D6, the negative electrode of the 6th diode D6 is connected with the anode of the 5th diode D5, the negative electrode of the 5th diode D5 is connected with the live wire N of socket, and the 6th diode D6 is light-emitting diode.

R in Fig. 3 _lOADfor load.

Further, above-mentioned socket also comprises: to be arranged on base, as multiple through holes of guiding gutter, when socket splashes water, water can be discharged by guiding gutter, thus can prevent socket short circuit from burning out.

One of ordinary skill in the art will appreciate that: accompanying drawing is the schematic diagram of an embodiment, the module in accompanying drawing or flow process might not be that enforcement the utility model is necessary.

One of ordinary skill in the art will appreciate that: the module in the device in embodiment can describe according to embodiment and be distributed in the device of embodiment, also can carry out respective change and be arranged in the one or more devices being different from the present embodiment.The module of above-described embodiment can merge into a module, also can split into multiple submodule further.

Last it is noted that above embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in previous embodiment, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of the utility model embodiment technical scheme.

Claims (8)

1. the safety socket that connects of fastener, comprise housing, described housing has the lid of patchhole by top and base combination forms, and be characterised in that, described lid and described base are linked together by fastener structure; Comprise in described housing:

First conductive connection part, it is connected with zero line;

Second conductive connection part, it is connected with live wire;

First conduction intermediate, itself and described first conductive connection part have a pair first contacts respect to one another;

First conduction insertion section, itself and described first conduct electricity on intermediate there are a pair second contacts respect to one another;

Second conduction intermediate, itself and described second conductive connection part have a pair the 3rd contacts respect to one another;

Second conduction insertion section, itself and described second conduct electricity on intermediate there are a pair the 4th contacts respect to one another;

First rotary module, is positioned at described first conduction intermediate side, comprises the first rotating shaft be placed on described base and the first spin-block hanging on described first rotating shaft terminal;

Second rotary module, is positioned at described second conduction intermediate side, comprises the second rotating shaft be placed on described base and the second spin-block hanging on described second rotating shaft terminal;

When two inserted sheets of plug insert the jack of described socket, described two inserted sheets first conduct electricity insertion section respectively with described first, described second conduction insertion section contacts, and then described two inserted sheets extrude described first spill spin block respectively around described first rotating shaft, described second spill spin block rotates around described second rotating shaft, described first contact on first conduction intermediate described in first spin-block rotation forces of the first rotating shaft terminal and described first contact on described first conductive connection part corresponding with it are electrically connected, described second contact that described second contact and corresponding with it described first on described first conduction intermediate is conducted electricity on insertion section is electrically connected, described 3rd contact on described second conduction intermediate and described 3rd contact on described second conductive connection part corresponding with it are electrically connected, described 4th contact that described 4th contact and corresponding with it described second on described second conduction intermediate is conducted electricity on insertion section is electrically connected.

2. socket according to claim 1, is characterized in that, also comprises: piezo-resistance, the first zero sequence current mutual inductor, integrated chip, controllable silicon, tripping coil and tripping mechanism, wherein

The two ends of described piezo-resistance are connected with the zero line of described socket with the live wire of described socket respectively;

Described first zero sequence current mutual inductor comprise the first loop, through described first loop the first induction coil, to be positioned at described first induction coil inner to improve the first magnet ring of the sensing capability of described first induction coil, the live wire of described socket and zero line are all through described first loop, and described first induction coil induces the first induced current when the vector of live wire electric current and neutral line current changes and exceeds setting range;

The input of described integrated chip is connected with the output of described first induction coil, a predetermined threshold in described first induced current and described integrated chip is compared, when higher than described predetermined threshold, export a triggering signal to control extremely to be connected with described silicon controlled, described silicon controlled anode is connected with one end of described tripping coil, the other end of described tripping coil is connected with the live wire of described socket, and described silicon controlled negative electrode is connected with the zero line of described socket;

Described tripping mechanism comprises the reset key that a lower end has draw-in groove, described draw-in groove is suitable for the locking plate of the iron core blocking described tripping coil, clamped condition and disengaged position is there is between described locking plate and described reset key draw-in groove, wherein, described clamped condition is that reset key presses down in process because described locking plate pushes the state that draw-in groove blocks reset key under the effect of iron core stage clip, described disengaged position is when tripping coil is energized, described locking plate, under iron core drives, moves along the opposite direction with the movement of iron core stage clip and leaves the state of draw-in groove.

3. socket according to claim 2, is characterized in that, also comprises: the second induction coil, circuit overcurrent protection, wherein

The live wire of described socket is through described second induction coil, and when described socket has operating current, described second induction coil induces an AC signal;

Described circuit overcurrent protection comprises second diode and the 5th resistance of connecting with described second induction coil, with the 6th electric capacity of described 5th resistor coupled in parallel, is connected to the 3rd diode that described 6th electric capacity one end and described silicon controlled control between pole.

4. socket according to claim 2, is characterized in that, also comprises: the test lead that two ends are connected with the zero line of socket with the live wire of described socket respectively, and is connected to the testing button on described test lead.

5. socket according to claim 4, is characterized in that, a resistance that described test lead is also connected.

6. socket according to claim 1, it is characterized in that, also comprise: indicating circuit, described indicating circuit comprises the 6th resistance, the 6th diode and the 5th diode, wherein said 6th resistance is connected between the zero line of described socket and the anode of described 6th diode, the negative electrode of described 6th diode is connected with the anode of described 5th diode, and the negative electrode of described 5th diode is connected with the live wire of described socket, and described 6th diode is light-emitting diode.

7. socket according to claim 2, it is characterized in that, also comprise: the first diode and the 3rd resistance, the anode of described first diode is connected with the zero line of described socket, between the negative electrode that described 3rd resistance is connected to described first diode and described integrated chip.

8. socket according to claim 1, is characterized in that, also comprises:

To be arranged on described base, as multiple through holes of guiding gutter.