CN207818968U - A kind of anticreep ac triangle power cords - Google Patents

Abstract

The utility model discloses a kind of anticreep ac triangle power cords, including plug pedestal, button, firewire and center line, one end outer surface of the plug pedestal is installed with power cord, and the inner surface of plug pedestal is provided with waterproof ventilative layer, the upper end outer surface of the plug pedestal is installed with card hole, and the inside of card hole is installed with active card and links closely, the inside that the active card links closely is installed with resetting spring, the upper end outer surface of the card hole is installed with metallic plug, and the outer surface of metallic plug is provided with buckle, the button is between metallic plug.A kind of anticreep ac triangle power cords described in the utility model; equipped with zero sequence current mutual inductor, waterproof ventilative layer and buckle; the safety of the people can be ensured when electric leakage; and the inside of plug can be effectively protected; metallic plug can also be avoided to be destroyed by external force, bring better prospect of the application.

Description

A kind of anticreep ac triangle power cords

Technical field

The utility model is related to triangle field of power supplies, more particularly to a kind of anticreep ac triangle power cords.

Background technology

Household AC power plug and socket have rodlike or copper coin shape pin end outstanding, physically inserted with slotting The power outlet of the female connector type of slot or pothole, due to the practicality, so plug have become it is essential in people's life One of apparatus, but it also has certain danger while bringing convenience；Existing triangle power cord exists There are certain drawbacks when use, firstly, since domestic power supply is 220V, the safe voltage that can bear considerably beyond human body 36V has great threat, secondly as water not only can so once there is a situation where leaking electricity to the security of the lives and property of people The parts for corroding plug inside, lead to short circuit of getting rusty, and can also directly contribute short circuit between electric wire, be brought centainly to the use of people Potential threat, be unfavorable for the use of people, in addition, plug is when not in use, unspecial safeguard measure may The destruction of metallic plug caused by external force, causes plug ineffective, brings certain influence using process to people, is This, it is proposed that a kind of anticreep ac triangle power cords.

Utility model content

The main purpose of the utility model is to provide a kind of anticreep ac triangle power cords, can effectively solve background The problems in technology.

To achieve the above object, the technical solution that the utility model is taken is：

A kind of anticreep ac triangle power cords, including plug pedestal, button, firewire and center line, the plug pedestal One end outer surface is installed with power cord, and the inner surface of plug pedestal is provided with waterproof ventilative layer, the plug pedestal Upper end outer surface is installed with card hole, and the inside of card hole is installed with active card and links closely, and the active card links closely interior Portion is installed with resetting spring, and the upper end outer surface of the card hole is installed with metallic plug, and the appearance of metallic plug Face is provided with buckle, and for the button between metallic plug, it is mutual that the inside of the plug pedestal is installed with zero-sequence current Sensor, and zero sequence current mutual inductor is internally provided with centre bore, the outer surface of the centre bore is installed with secondary coil, The firewire and center line are respectively positioned on the inside of power cord, and firewire is located at the side of center line, and the one of the zero sequence current mutual inductor End outer surface is installed with integrated circuit.

Preferably, the quantity of the metallic plug is three groups, and metallic plug is evenly distributed on plug bottom in equilateral triangle The upper end outer surface of seat, the outer surface of the plug pedestal is provided with rubber insulation.

Preferably, the quantity that the active card links closely is six groups, and active card links closely and is evenly distributed on the inside of card hole, institute The internal symmetry distribution that movable clamping is buckled in card hole is stated, and the outer surface that active card links closely is provided with insulating layer.

Preferably, the number of turns of the secondary coil is several groups, and secondary coil is evenly distributed on the outer surface of centre bore, The concentricity of the secondary coil and centre bore is kept always, and the firewire is identical as the shape size of center line.

Preferably, the input terminal of the output end of the zero sequence current mutual inductor and integrated circuit is electrically connected, the buckle It is arc with the shape that active card links closely, and the area buckled is less than the area that active card links closely.

Preferably, the length of the metallic plug is less than the length of card hole, the junction of the power cord and plug pedestal It is provided with screw thread, and plug pedestal is flexibly connected by screw thread with power cord.

Compared with prior art, the utility model has the advantages that：A kind of anticreep ac triangle power cords, By the zero sequence current mutual inductor of setting, circuit can be timely cut off when the dangerous situations such as electric leakage, short circuit occur for electric wire, The security of the lives and property that user can preferably be protected, reduces the generation of contingency, is conducive to the use of people, by setting The waterproof ventilative layer set not only can penetrate into plug inside to avoid external moisture content, cause the corrosion to inner components, avoid The danger of short circuit timely can also timely distribute the moisture content having penetrated into, the setting of card hole and buckle, Metallic plug can be taken in inside jack, avoid accidentally caused by external force when user need not use plug Destruction to metallic plug improves the service life of plug, and entire triangle power supply structure is simple, easy to operate, the effect used It is more preferable relative to traditional approach.

Description of the drawings

Fig. 1 is a kind of overall structure diagram of anticreep ac triangle power cords of the utility model.

Fig. 2 is a kind of partial view of anticreep ac triangle power cords of the utility model.

Fig. 3 is the enlarged drawing of A in a kind of Fig. 2 of anticreep ac triangle power cords of the utility model.

Fig. 4 is a kind of interior views of anticreep ac triangle power cords of the utility model.

Fig. 5 is a kind of enlarged drawing of the zero sequence current mutual inductor of anticreep ac triangle power cords of the utility model.

In figure：1, plug pedestal；2, power cord；3, waterproof ventilative layer；4, card hole；5, snap fastener；6, resetting spring；7, golden Belong to plug；8, it buckles；9, button；10, zero sequence current mutual inductor；11, centre bore；12, secondary coil；13, firewire；14, center line； 15, integrated circuit.

Specific implementation mode

To make the technical means, creative features, achievement of purpose, and effectiveness of the utility model be easy to understand, below In conjunction with specific implementation mode, the utility model is expanded on further.

As shown in Figs. 1-5, a kind of anticreep ac triangle power cords, including plug pedestal 1, button 9, firewire 13 and center line 14, one end outer surface of plug pedestal 1 is installed with power cord 2, and the inner surface of plug pedestal 1 is provided with waterproof ventilative layer 3, the upper end outer surface of plug pedestal 1 is installed with card hole 4, and the inside of card hole 4 is installed with active card and links closely 5, living The inside of dynamic snap fastener 5 is installed with resetting spring 6, and the upper end outer surface of card hole 4 is installed with metallic plug 7, and gold The outer surface for belonging to plug 7 is provided with buckle 8, and for button 9 between metallic plug 7, the inside of plug pedestal 1 is installed with zero Sequence current transformer 10, and zero sequence current mutual inductor 10 is internally provided with centre bore 11, the outer surface of centre bore 11 fixes peace Equipped with secondary coil 12, firewire 13 and center line 14 are respectively positioned on the inside of power cord 2, and firewire 13 is located at the side of center line 14, and zero One end outer surface of sequence current transformer 10 is installed with integrated circuit 15.

The quantity of metallic plug 7 is three groups, and metallic plug 7 is evenly distributed on the upper end of plug pedestal 1 in equilateral triangle The outer surface of outer surface, plug pedestal 1 is provided with rubber insulation, avoid user by plug be inserted into or remove power supply when It waits, accidentally there is a situation where getting an electric shock, has ensured the security of the lives and property of user；Active card link closely 5 quantity be six groups, and Active card links closely 5 inside for being evenly distributed on card hole 4, and active card links closely 5 to be distributed in the internal symmetry of card hole 4, can needed When metallic plug 7 is packed up, 7 automatic spring of metallic plug can be preferably avoided, and link closely 5 outer surface of active card is set It is equipped with insulating layer, electric current is avoided to reach the inside of plug pedestal 1 by metallic plug 7；The number of turns of secondary coil 12 is several groups, And secondary coil 12 is evenly distributed on the outer surface of centre bore 11, the concentricity of secondary coil 12 and centre bore 11 is kept always, Firewire 13 is identical as the shape size of center line 14；The output end of zero sequence current mutual inductor 10 and the input terminal of integrated circuit 15 are electrical Connection, can timely pass the signal to integrated circuit 15, avoid accidents, buckle 8 with active card link closely 5 shape Be arc, and buckle 8 area be less than active card link closely 5 area；The length of metallic plug 7 is less than the length of card hole 4, electricity Source line 2 and the junction of plug pedestal 1 are provided with screw thread, and plug pedestal 1 is flexibly connected by screw thread with power cord 2, convenient The use of people.

It should be noted that the utility model is a kind of anticreep ac triangle power cords, and when in use, user first The metallic plug 7 of 1 upper end outer surface of plug pedestal is connect with power supply, during use, waterproof ventilative layer makes water exist In the state of steam, according to the principle of capillary moving, capillary can be smoothly penetrated into the other side, is showed to which vapour occur As after moisture condensation becomes droplet, due to the effect of droplet surface tension, hydrone cannot smoothly be detached from droplet and penetrate into The other side, that is, the infiltration of water is prevented to occur, the operation principle of zero sequence current mutual inductor 10 be by the firewire 13 of plug with Center line 14 penetrates in the centre bore 11 of a special zero sequence current mutual inductor 10 simultaneously, when electric appliance normal electricity consumption, firewire 13 It is essentially equal, electric current one-in-and-one-out, 12 Non voltage output of Current Transformer Secondary coil with the electric current flowed through in center line 14. When there is residual current in earth loop, two power lead current imbalances of mutual inductor are penetrated, in the output of current transformer End will produce the voltage signal proportional to electric current, as long as voltage signal is sufficiently large, this voltage signal is through special circuit plate The amplification of integrated circuit 15 etc. after processing, silicon-controlled in trigger board is converted to conducting from cut-off, makes to be serially connected in the circuit and jump Brake cable circle is powered, and to make major loop trip gear disconnect, protection may be with the personal safety of electrical power contacts, more practicality.

The advantages of basic principles and main features and the utility model of the utility model have been shown and described above.One's own profession The technical staff of industry is it should be appreciated that the present utility model is not limited to the above embodiments, described in above embodiments and description Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model Claimed range is defined by the appending claims and its equivalent thereof.

Claims (6)

1. a kind of anticreep ac triangle power cords, including plug pedestal (1), button (9), firewire (13) and center line (14), It is characterized in that：One end outer surface of the plug pedestal (1) is installed with power cord (2), and the inner surface of plug pedestal (1) It is provided with waterproof ventilative layer (3), the upper end outer surface of the plug pedestal (1) is installed with card hole (4), and card hole (4) Inside is installed with active card and links closely (5), and the link closely inside of (5) of the active card is installed with resetting spring (6), described The upper end outer surface of card hole (4) is installed with metallic plug (7), and the outer surface of metallic plug (7) is provided with buckle (8), The button (9) is located between metallic plug (7), and the inside of the plug pedestal (1) is installed with zero sequence current mutual inductor (10), and zero sequence current mutual inductor (10) is internally provided with centre bore (11), and the outer surface of the centre bore (11) fixes peace Equipped with secondary coil (12), during the firewire (13) is respectively positioned on the inside of power cord (2) with center line (14), and firewire (13) is located at One end outer surface of the side of line (14), the zero sequence current mutual inductor (10) is installed with integrated circuit (15).

2. a kind of anticreep ac triangle power cords according to claim 1, it is characterised in that：The metallic plug (7) Quantity be three groups, and metallic plug (7) is evenly distributed on the upper end outer surface of plug pedestal (1) in equilateral triangle, described to insert The outer surface of head pedestal (1) is provided with rubber insulation.

3. a kind of anticreep ac triangle power cords according to claim 1, it is characterised in that：The active card links closely (5) quantity is six groups, and active card link closely (5) be evenly distributed on the inside of card hole (4), the active card links closely (5) in card The internal symmetry in hole (4) is distributed, and the link closely outer surface of (5) of active card is provided with insulating layer.

4. a kind of anticreep ac triangle power cords according to claim 1, it is characterised in that：The secondary coil (12) The number of turns be several groups, and secondary coil (12) is evenly distributed on the outer surface of centre bore (11), the secondary coil (12) with The concentricity of centre bore (11) is kept always, and the firewire (13) is identical as the shape size of center line (14).

5. a kind of anticreep ac triangle power cords according to claim 1, it is characterised in that：The zero sequence current mutual inductance The output end of device (10) and the input terminal of integrated circuit (15) are electrically connected, and the buckle (8) and active card link closely the shape of (5) It is arc, and the area for buckling (8) is less than active card and links closely the area of (5).

6. a kind of anticreep ac triangle power cords according to claim 1, it is characterised in that：The metallic plug (7) Length be less than the length of card hole (4), the junction of the power cord (2) and plug pedestal (1) is provided with screw thread, and plug bottom Seat (1) is flexibly connected by screw thread with power cord (2).