The utility model content
The utility model provides a kind of safety socket, 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 is formed by lid and the base combination that the top has patchhole, is characterised in that, comprises in the housing:
The first conductive connection part, it is connected with zero line;
The second conductive connection part, it is connected with live wire;
The first conduction intermediate has a pair of the first contact respect to one another on itself and the first conductive connection part;
The first conduction insertion section, it conducts electricity and to have a pair of the second contact respect to one another on the intermediate with first;
The second conduction intermediate has a pair of the 3rd contact respect to one another on itself and the second conductive connection part;
The second conduction insertion section, it conducts electricity and to have a pair of the 4th contact respect to one another on the intermediate with second;
The first rotary module is positioned at the first conduction intermediate one side, comprises the first rotating shaft that places on the base and the first spin-block that hangs on the first rotating shaft terminal;
The second rotary module is positioned at the second conduction intermediate one side, comprises the second rotating shaft that places on the base and the second spin-block that hangs on the second rotating shaft terminal;
When two inserted sheets of plug insert the jack of socket, two inserted sheets first respectively with first the conduction insertion section, the second conduction insertion section contacts, and then two inserted sheet push respectively the first spill spin block around the first rotating shaft, the second spill spin block rotates around the second rotating shaft, and the first contact on the first contact on the first spin-block rotation promotion first conduction intermediate of the first rotating shaft terminal and first conductive connection part corresponding with it is electrically connected, the first conduction on the intermediate the second contact and the second contact on the first conduction insertion section corresponding with it be electrically connected, the 3rd contact on the 3rd contact on the second conduction intermediate and second conductive connection part corresponding with it is electrically connected, the second conduction on the intermediate the 4th contact and the 4th contact on the second conduction insertion section corresponding with it be 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 link to each other with the live wire of socket and the zero line of socket respectively;
The first zero sequence current mutual inductor comprises the first loop, pass the first induction coil of the first loop, be positioned at the first induction coil inside with the first magnet ring of the sensing capability that improves the first induction coil, the live wire of socket and zero line all pass the first loop, and the first induction coil is at the vector of live wire electric current and neutral line current and change and induce the first induced current when exceeding setting range;
The input of integrated chip links to each other with the output of the first induction coil, predetermined threshold in the first induced current and the integrated chip is compared, when the predetermined threshold that is higher than, exporting a triggering signal extremely links to each other with silicon controlled control, the silicon controlled anode links to each other with an end of tripping coil, the other end of tripping coil links to each other with the live wire of socket, and the silicon controlled negative electrode links to each other with the zero line of socket;
Tripping mechanism comprises that a lower end has the reset key of draw-in groove, draw-in groove is suitable for blocking the locking plate of the iron core of tripping coil, there are clamping state and disengaged position between locking plate and the reset key draw-in groove, wherein, the clamping state is that reset key presses down in the 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 switched on, and locking plate moves and leaves the state of draw-in groove along the opposite direction that moves with the iron core stage clip under iron core drives.
Further, above-mentioned socket also comprises: the second induction coil, circuit overcurrent protection, wherein
The second induction coil and the first induction coil consist of the transformer mixer oscillator;
Circuit overcurrent protection comprises the second diode and the 5th resistance of connecting with the second induction coil, and six electric capacity in parallel with the 5th resistance is connected to the 3rd diode between the 6th electric capacity one end and the silicon controlled control utmost point.
Further, above-mentioned socket also comprises: the test lead that two ends link to each other with the zero line of the live wire of socket and socket respectively, and be connected to testing button on the test lead.
Further, the resistance of also connecting on the test lead.
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 anode of the zero line of socket and the 6th diode, the negative electrode of the 6th diode links to each other with the anode of the 5th diode, the negative electrode of the 5th diode links to each other 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 links to each other with the zero line of socket, and the 3rd resistance is connected between the negative electrode and integrated chip of the first diode.
Further, above-mentioned socket also comprises:
Be arranged on the base, as a plurality of through holes of guiding gutter.
In the above-described embodiments, not immediately energising when the plug of external loading is inserted into socket, but pass through first each to the contact electrical contact, and then just conduct electricity, prevented the generation of electric spark phenomenon; In addition, the size model of inserting the inserted sheet of receptacle sockets must meet national standard and could promote the spill spin block rotation, therefore, even insert with electric conducting materials such as iron wires as child in the situation of a jack of socket or two jacks, socket all can not conduct electricity, thereby has avoided the electric shock accidents that causes because of misoperation.
Embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not paying the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
Fig. 1 is the safety socket circuit schematic diagram of the utility model one embodiment.As shown in the figure, this wall jack comprises housing, and housing is formed by lid and the base combination that the top has jack, comprises in the housing:
The first conductive connection part 11, L is connected with zero line;
The second conductive connection part 21, N is connected with live wire;
The first conduction intermediate 12 has respectively a pair of the first contact respect to one another on itself and the first conductive connection part 11;
The first conduction insertion section 13, it conducts electricity and to have respectively a pair of the second contact respect to one another on the intermediate 12 with first;
The second conduction intermediate 22 has respectively a pair of the 3rd contact respect to one another on itself and the second conductive connection part 21;
The second conduction insertion section 23, it conducts electricity and to have respectively a pair of the 4th contact respect to one another on the intermediate 22 with second;
Ground wire insertion section 31, it links to each other with ground wire GND;
The first rotary module (not shown) is positioned at the first conduction intermediate 12 1 sides, the first spin-block that it comprises the first rotating shaft that places on the base and hangs on the first rotating shaft terminal;
The second rotary module (not shown) is positioned at the second conduction intermediate 22 1 sides, the second spin-block that it comprises the second rotating shaft that places on the base and hangs on the second rotating shaft terminal;
101 is the load with two blade plug among the figure, and 102 is the load with three blade plug, and K1, K2, K3, K4, K5 are respectively the jack of socket; When two hole jacks of the insertion socket of the plug with two inserted sheets or three inserted sheets or three hole jacks, two inserted sheets of plug first respectively with first the conduction insertion section 13, the second conduction insertion section 23 contacts, and then two inserted sheets push respectively the first spill spin block simultaneously around the first rotating shaft, the second spill spin block rotates around the second rotating shaft, the first contact on the first contact on the first spin-block rotation promotion first conduction intermediate 12 of the first rotating shaft terminal and first conductive connection part 11 corresponding with it is electrically connected, the first conduction on the intermediate 12 the second contact and the second contact on the first conduction insertion section 13 corresponding with it be electrically connected, the 3rd contact on the 3rd contact on the second conduction intermediate 22 and second conductive connection part 21 corresponding with it is electrically connected, the second conduction on the intermediate 22 the 4th contact and the 4th contact on the second conduction insertion section 23 corresponding with it be electrically connected, thereby make the load energising.
As seen, in the above-described embodiments, not immediately energising when the plug of external loading is inserted into socket, but pass through first each to the contact electrical contact, then just conduct electricity, prevented the generation of electric spark phenomenon; In addition, the size model of inserting the inserted sheet of receptacle sockets must meet national standard and could promote the spill spin block rotation, therefore, even insert with electric conducting materials such as iron wires as child in the situation of a jack of socket or two jacks, socket all can not conduct electricity, thereby has avoided the electric shock accidents that causes because of misoperation.
In addition; when the plug of load is extracted from socket; the conduction insertion section of socket can disconnect first with middle brace; then the inserted sheet of the plug of load is just extracted from socket; thereby plug can not produce the arc light phenomenon from the moment that socket is extracted, and plays the effect that the conduction insertion section of the inserted sheet of protection load plug and socket can not be damaged.
Fig. 2 is the safety socket circuit schematic diagram of the utility model one preferred embodiment.As shown in Figure 2, 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 link to each other with zero line L with the live wire N of socket respectively;
The first zero sequence current mutual inductor N1 comprises the first loop, pass the first induction coil of the first loop, be positioned at the first induction coil inside with the first magnet ring of the sensing capability that improves the first induction coil, live wire N and the zero line L of socket all pass the first loop, and the first induction coil is at the vector of live wire electric current and neutral line current and change and induce the first induced current when exceeding setting range;
The input of integrated chip IC (pin two, 3) links to each other with the output of the first induction coil N1, predetermined threshold among the first induced current and the integrated chip IC is compared, when the predetermined threshold that is higher than, pin 7 outputs one triggering signal extremely links to each other with the control of controllable silicon D4, the anode of controllable silicon D4 links to each other with the end of tripping coil J1, the other end of tripping coil J1 links to each other with the live wire N of socket, and the negative electrode of controllable silicon D4 links to each other with the zero line L of socket;
Tripping mechanism comprises that a lower end has the reset key of draw-in groove, draw-in groove is suitable for blocking the locking plate of the iron core of tripping coil, there are clamping state and disengaged position (shown in S1 among Fig. 2) between locking plate and the reset key draw-in groove, wherein, the clamping state is that reset key presses down in the 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 switched on, locking plate moves and leaves the state of draw-in groove along the opposite direction that moves with the iron core stage clip under iron core drives.
As shown in Figure 2, above-mentioned socket also comprises: be connected to after the second capacitor C 2 and the second resistance R 2, the second capacitor C 2 and 2 parallel connections of the second resistance R between integrated chip pin one and the end that the first resistance R 1 links to each other with pin two.
As shown in Figure 2, above-mentioned socket also comprises: the second induction coil N2 and circuit overcurrent protection, wherein
The live wire of socket passes the second induction coil, and when socket had operating current, the second induction coil induced an AC signal;
Circuit overcurrent protection comprises the second diode D2 and the 5th resistance R 5 of connecting with the second induction coil N2, and six capacitor C 6 in parallel with the 5th resistance R 5 is connected to the 3rd diode D3 between the control utmost point of the 6th capacitor C 6 one ends and controllable silicon D4;
The AC signal of the second induction coil produces a voltage drop in the 5th resistance R 5 after the second diode D2 halfwave rectifier; produce a voltage signal through the 6th capacitor C 6 filtering (C6 has delay function); when socket main circuit current during 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 the overcurrent protection effect.
As shown in Figure 2, above-mentioned socket also comprises: the anode of the first diode D1 and the 3rd resistance R 3, the first diode D1 links to each other with the zero line L of socket, and the 3rd resistance R 3 is connected between the negative electrode and integrated chip IC pin 5 of the first diode D1.
As shown in Figure 2, above-mentioned socket also comprises:, be connected to the 3rd capacitor C 3 between the other end of integrated chip IC pin 6 and the 6th capacitor C 6, be connected to the 4th capacitor C 4 between the other end of integrated chip IC pin 8 and the 6th capacitor C 6, be connected to the 5th capacitor C 5 between the other end of integrated chip IC pin 7 and the 6th capacitor C 6.
As shown in Figure 2, above-mentioned socket also comprises: the test lead that two ends link to each other with zero line L with the live wire N of socket respectively, and be connected to testing button T on the test lead, and burn out for preventing that electric current is excessive, also be in series with resistance R 0 on the test lead.
As shown in Figure 2, above-mentioned socket also comprises: indicating circuit, indicating circuit comprises the 6th resistance R 6, the 6th diode D6 and the 5th diode D5, wherein the 6th resistance D6 is connected between the anode of the zero line L of socket and the 6th diode D6, the negative electrode of the 6th diode D6 links to each other with the anode of the 5th diode D5, the negative electrode of the 5th diode D5 links to each other with the live wire N of socket, and the 6th diode D6 is light-emitting diode.
R among Fig. 2
LOADBe load.
Further, above-mentioned socket also comprises: be arranged on the base, as a plurality of through holes of guiding gutter, when socket splashed water, water can be discharged by guiding gutter, thereby can prevent that the 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, and the module in the 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 among the embodiment can be described 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 that are different from present embodiment.The module of above-described embodiment can be merged into a module, also can further split into a plurality of submodules.
It should be noted that at last: above embodiment only in order to the technical solution of the utility model to be described, is not intended to limit; Although with reference to previous embodiment the utility model is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that previous embodiment is put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of the utility model embodiment technical scheme.