CN113131293A - American electric leakage protection socket - Google Patents
American electric leakage protection socket Download PDFInfo
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- CN113131293A CN113131293A CN202110424178.9A CN202110424178A CN113131293A CN 113131293 A CN113131293 A CN 113131293A CN 202110424178 A CN202110424178 A CN 202110424178A CN 113131293 A CN113131293 A CN 113131293A
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- leakage protection
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- 238000012360 testing method Methods 0.000 claims description 35
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 27
- 230000003068 static effect Effects 0.000 claims description 22
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000010030 laminating Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 5
- 238000003780 insertion Methods 0.000 description 17
- 230000037431 insertion Effects 0.000 description 17
- 238000005452 bending Methods 0.000 description 5
- 230000001960 triggered effect Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/70—Structural association with built-in electrical component with built-in switch
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
- H01R24/76—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure with sockets, clips or analogous contacts and secured to apparatus or structure, e.g. to a wall
Abstract
The application relates to an American electric leakage protection socket, which comprises a socket body, wherein socket components and electric leakage protection components which are distributed up and down are arranged in the socket body; a trigger assembly is arranged between the socket assembly and the electric leakage protection assembly; one input end of the leakage protection component is connected with a live wire connected into the socket body and used for detecting initial current; the other input end of the leakage protection component is connected with the input end of the socket component and is used for detecting output current; the output end of the leakage protection assembly is connected to the trigger assembly, when the output current values received by the two input ends of the leakage protection assembly are not equal to the initial current value, the leakage protection assembly outputs a control signal to the trigger assembly, and the trigger assembly disconnects the power supply loop of the socket assembly. The application has the effects of further improving the reliability of the leakage protection and being safer in use.
Description
Technical Field
The application relates to the field of electrical sockets, in particular to an American electric leakage protection socket.
Background
The American style socket is a socket suitable for American standard plugs at present, and the American style plug is different from domestic plugs, and is a pin with one round and two flat although the American style plug is also a three-pin plug.
Chinese patent with publication number CN206962113U in the related art discloses an american type socket, which comprises a socket body and a power line arranged in the socket body, wherein three jacks for inserting pins of a plug are arranged on the surface of the socket body, and an indicator light connected to a zero line and a live line is further arranged on the surface of the socket body.
In view of the above-mentioned related art, the inventor believes that there is a danger that a metal element on the surface of the american type socket is electrified when the electric leakage occurs in the socket, and if the power supply to the socket cannot be cut off in time, an electric shock is caused, which results in poor safety performance of the whole socket.
Disclosure of Invention
In order to improve the relatively poor problem of American style socket security performance, this application provides an American style earth leakage protection socket.
The application provides a pair of American electric leakage protection socket adopts following technical scheme:
an American-style electric leakage protection socket comprises a socket body, wherein a socket component and an electric leakage protection component which are distributed up and down are arranged in the socket body; a trigger assembly is arranged between the socket assembly and the electric leakage protection assembly and used for switching on and off the socket assembly; one input end of the leakage protection component is connected with a live wire connected into the socket body and used for detecting initial current; the other input end of the leakage protection component is connected with the input end of the socket component and is used for detecting output current; the output end of the leakage protection assembly is connected to the trigger assembly, the trigger assembly is controlled by the leakage protection assembly, when the output current values received by the two input ends of the leakage protection assembly are not equal to the initial current value, the leakage protection assembly outputs a control signal to the trigger assembly, and the trigger assembly disconnects the power supply loop of the socket assembly.
By adopting the technical scheme, after current flows in from one input end of the leakage protection assembly, the initial current value can be detected by the leakage protection assembly, and the other input end of the leakage protection assembly is used for detecting the output current value flowing in from the input end of the socket assembly; once the initial current value and the output current value detected by the two input ends of the leakage protection component are not equal, the leakage phenomenon is proved to occur at the moment, and the output end of the leakage protection component immediately outputs a control signal to the trigger component; the trigger assembly can instantly disconnect the power supply loop of the socket assembly after receiving the control signal, thereby realizing the function of leakage protection, greatly improving the use safety of the whole circuit and effectively preventing the danger of electric shock; the whole cutting process is very quick and sensitive; when the leakage fault is eliminated, the power supply loop of the socket assembly is connected by pressing the trigger assembly again.
Preferably, the socket assembly comprises an insulating base located above the earth leakage protection assembly, and a conducting strip arranged on the insulating base; a static contact piece facing the leakage protection assembly is arranged on the conductive piece, a movable contact piece facing the static contact piece is arranged on the leakage protection assembly, one end of the movable contact piece is fixed on the leakage protection assembly and is connected with an external live wire, and the other end of the movable contact piece is opposite to the static contact piece; the movable contact piece is erected on the trigger assembly, and the trigger assembly is used for driving the movable contact piece to move towards the direction close to or far away from the static contact piece.
By adopting the technical scheme, when the socket assembly needs to be powered on, the movable contact piece is driven to lift towards the direction close to the static contact piece through the trigger assembly, and once the movable contact piece is contacted with the static contact piece, the socket assembly is successfully powered on; the socket assembly is manually electrified through the trigger assembly, so that the automatic opening of the trigger assembly can be prevented when the leakage fault is not eliminated, and the safety of the socket in use is further guaranteed; and can reduce socket subassembly and the mutual electromagnetic interference of earth leakage protection component during operation through the insulator seat that sets up in earth leakage protection component top to can improve the stability of both during operation.
Preferably, the triggering assembly comprises a fixed seat with the bottom fixed on the earth leakage protection assembly and a sliding seat arranged in the fixed seat in a sliding manner, and the movable contact spring presses the sliding seat in the fixed seat; the sliding seat is provided with a driving rod for driving the sliding seat to lift in a sliding manner; one end of the driving rod penetrates out of the insulating seat to the front side of the socket body, a return spring is sleeved on the driving rod, one end of the return spring is abutted against the driving rod, and the other end of the return spring is abutted against the side wall of the insulating seat, which is away from the leakage protection assembly; the sliding seat is also internally provided with an insertion plate which slides along the direction vertical to the sliding direction of the driving rod, and the insertion plate is provided with a slot for the insertion of the driving rod; the leakage protection assembly comprises a tripping mechanism for pushing the plugboard to be separated from the driving rod.
By adopting the technical scheme, when the driving rod is pressed down, the return spring is gradually compressed; when the lower end of the driving rod is inserted into the slot, the lower end of the driving rod is in clamping fit with the jack board, when the pressure applied to the driving rod is removed, the driving rod lifts the whole slide seat upwards under the elastic action of the reset spring, and the movable contact piece with one end erected on the slide seat is lifted gradually towards the direction close to the static contact piece, so that the contact between the movable contact piece and the static contact piece is finally realized; the driving rod is continuously kept in a lifting state under the action of the return spring; when electric leakage occurs, the tripping mechanism is triggered, the plug board is pushed to be separated from the driving rod under the action of the tripping mechanism, once the plug board is separated from the driving rod, the sliding seat can be downwards pressed in the fixed seat under the action of the movable contact piece, meanwhile, the movable contact piece is separated from the static contact piece, the power supply circuit of the socket component is cut off, and electric leakage protection is achieved for the socket component.
Preferably, the tripping mechanism comprises a coil and an iron core arranged in the coil in a sliding manner; one end of the iron core is inserted from the outer side wall of the fixed seat and is opposite to the plug board; the iron core is sleeved with a tripping spring positioned in the coil, one end of the tripping spring is abutted against the outer side wall of the fixed seat, and the other end of the tripping spring is abutted against the iron core; the plug board is provided with a return spring which stretches along the sliding direction of the plug board, one end of the return spring is abutted against the plug board, and the other end of the return spring is abutted against the outer side wall of the sliding seat.
By adopting the technical scheme, when the tripping mechanism acts, the coil is electrified to generate a magnetic field, the iron core impacts the plugboard towards the direction close to the plugboard, the plugboard slides towards the corresponding side when being pushed by the iron core, and the lower end of the driving rod is finally separated from the slot and tripped along with the sliding of the plugboard, so that the power supply circuit of the socket component is cut off; the iron core will reset under the action of the tripping spring to prepare for the next tripping action, and the plug board will realize the reset under the action of the return spring to prepare for the next insertion of the lower end of the driving rod.
Preferably, the side wall of the insertion plate facing the iron core is provided with a yielding groove, the inner side wall of the fixing seat is provided with a limiting groove extending along the sliding direction of the sliding seat, the limiting groove circumferentially surrounds the outside of the sliding seat, and the outer side wall of the sliding seat is attached to the inner side wall of the limiting groove.
By adopting the technical scheme, when the iron core impacts the plugboard, the position of the impact surface of the iron core can be limited through the abdicating groove arranged on the plugboard, so that the iron core can smoothly push the plugboard to slide, and the force of the plugboard is more uniform; and can play the effect of direction to sliding of sliding seat through the spacing groove that sets up around the sliding seat, stability when can also improving the sliding seat simultaneously and slide.
Preferably, the side walls of the sliding seats which are deviated from each other are symmetrically provided with supporting plates, grooves facing the movable contact pieces are formed on the supporting plates, and the movable contact pieces are respectively pressed on the side walls of the grooves which are opposite to each other; the number of the movable contact pieces in each group is at least two.
By adopting the technical scheme, the movable contact piece can be limited on the supporting plate by the groove, so that the movable contact piece can be prevented from falling off from the supporting plate when the sliding seat carrying the movable contact piece is lifted, and the stability of the movable contact piece in action is improved; the quantity of a set of movable contact pieces adopts the arrangement of a plurality of pieces, so that not only is the structural strength of each set of movable contact pieces ensured, but also the movable contact pieces can be ensured to smoothly press down the sliding seat when the driving rod is tripped, so that the movable contact pieces can be quickly and smoothly separated from the static contact pieces, and the speed and the sensitivity of the cutting-off action are improved.
Preferably, the electric leakage protection assembly is electrically connected with an indicator lamp, a light-transmitting rod penetrates through the insulating base, one end of the light-transmitting rod is opposite to the indicator lamp, and the other end of the light-transmitting rod extends to the front face of the socket body.
By adopting the technical scheme, when the socket assembly is in a normal power supply state, the indicator lamp is in an on state, and the indicator lamp can play a role in prompting a user to indicate that the existing circuit is in a normal state; when the leakage fault occurs, the power supply loop of the socket assembly is cut off, and the indicator lamp is also turned off, so that the user can be prompted that the plug post assembly is in a power-off state at the moment and a fault point needs to be checked in time.
Preferably, the leakage protection assembly further comprises a test module, an output end of the test module is connected with an input end of the leakage protection assembly connected to the live wire, a test button is arranged on the test module, and the test button is used for controlling the test module to output a fault signal to the input end of the leakage protection assembly; and a test rod with one end opposite to the test button and the other end penetrating out of the front surface of the socket body penetrates through the insulating seat.
By adopting the technical scheme, in order to further ensure the overall safety of the socket and eliminate the problem that the trigger assembly cannot normally cut off the power supply loop of the socket assembly due to mechanical aging, the test button is triggered by pressing the test rod, and the test module is controlled to output a fault signal to the input end of the leakage protection assembly, so that whether the leakage protection assembly and the trigger assembly can cut off the power supply loop of the socket assembly when the leakage fault occurs can be tested, and the problem that the leakage protection assembly and the trigger assembly cannot perform leakage protection due to the fault of the leakage protection assembly and the trigger assembly is eliminated; the leakage protection component and the trigger component are convenient for a user to carry out self-checking.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the leakage protection function is realized, the use safety of the whole circuit is greatly improved, and the danger of electric shock is effectively prevented; after the electric leakage fault is eliminated, the power supply loop of the socket assembly is connected by pressing the trigger assembly again;
2. the insulating seat arranged above the leakage protection assembly can reduce the mutual electromagnetic interference between the socket assembly and the leakage protection assembly during working, thereby improving the stability of the socket assembly and the leakage protection assembly during working;
3. the testing rod is convenient for a user to carry out self-checking on the leakage protection assembly and the trigger assembly, so that the situation that the leakage protection assembly and the trigger assembly are failed to play a role in leakage protection can be eliminated.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.
Fig. 2 is an exploded view of the partial structure of fig. 1.
Fig. 3 is an exploded view of the partial structure of fig. 2.
Fig. 4 is an exploded view of the partial structure of fig. 3.
Fig. 5 is an exploded view highlighting a portion of the structure at the trigger assembly of fig. 3.
Fig. 6 is a schematic view showing a part of the indicator light of the earth leakage protection device of fig. 5.
Description of reference numerals: 1. a socket body; 2. a receptacle assembly; 21. an insulating base; 211. a light-transmitting rod; 22. a conductive sheet; 221. a static contact piece; 3. an earth leakage protection component; 31. a movable contact spring; 32. a tripping mechanism; 321. a coil; 322. an iron core; 323. a trip spring; 33. an indicator light; 34. a test button; 35. a test rod; 4. a trigger component; 41. a fixed seat; 411. a limiting groove; 42. a sliding seat; 421. a plugboard; 422. a slot; 423. a return spring; 424. a yielding groove; 425. a support plate; 426. a groove; 43. a drive rod; 431. a return spring.
Detailed Description
The present application is described in further detail below with reference to figures 1-6.
The embodiment of the application discloses American electric leakage protection socket. Referring to fig. 1 and 2, the american type leakage protection socket includes a socket body 1, a cavity is formed inside the socket body 1, and a socket assembly 2 and a leakage protection assembly 3 are vertically arranged in the cavity. Be provided with the trigger subassembly 4 that is used for controlling the power supply circuit break-make of socket subassembly 2 between socket subassembly 2 and the earth leakage protection subassembly 3, earth leakage protection subassembly 3 is including PCB board and the earth leakage protection processing chip of setting on the PCB board, and an input of earth leakage protection subassembly 3 is connected with the external live wire that inserts to socket 1 in to be used for detecting the initial current value of input. The other input terminal of the earth leakage protection component 3 is connected with the input terminal of the socket component 2 and is used for detecting the output current value. The output end of the leakage protection component 3 is connected to the trigger component 4, and the trigger component 4 is controlled by the control signal output by the output end of the leakage protection component 3.
As shown in fig. 3 and 4, when the leakage protection processing chip in the leakage protection module 3 detects that the output current values received by the two input terminals are not equal to the initial current value, it means that the power supply loop of the socket module 2 has a leakage fault, after the processing of the leakage protection processing chip, the leakage protection module 3 outputs a control signal to the trigger module 4, and the power supply loop of the socket module 2 can be instantly cut off after the trigger module 4 acts, thereby achieving the effect of leakage protection.
As shown in fig. 3 and 4, the socket assembly 2 includes an insulating base 21 located above the earth leakage protection assembly 3, and a conducting strip 22 fixed on the insulating base 21, a panel is fixed and covered on the surface of the insulating base 21, two sets of jacks for inserting plugs are penetrated through the panel, and pins of the conducting strip 22 extend into the respective opposite jacks. The conducting strip 22 is further fixedly provided with two static contacts 221 extending to the lower portion of the insulating base 21, and the two static contacts 221 are symmetrically arranged and all face the lower leakage protection assembly 3. The earth leakage protection component 3 is electrically connected with two sets of movable contacts 31 facing the corresponding static contacts 221, the number of each set of movable contacts 31 is two in this embodiment, and the two movable contacts 31 are mutually stacked and fixed. One end of the movable contact piece 31 far from the static contact piece 221 is fixed on the earth leakage protection component 3, and the movable contact piece 31 is connected with an external live wire. The trigger assembly 4 is located between the static contact 221 and the earth leakage protection assembly 3, and one end of the movable contact 31 close to the static contact 221 is erected on the trigger assembly 4. When the trigger assembly 4 is actuated, the trigger assembly 4 will move the movable contact piece 31 toward or away from the respective opposite stationary contact piece 221.
As shown in fig. 4 and 5, the triggering assembly 4 includes a fixed base 41 fixed at the bottom on the PCB of the earth leakage protection assembly 3, and a sliding base 42 for driving the movable contact piece 31 to move toward the upper stationary contact piece 221, and the sliding base 42 is slidably disposed in the fixed base 41. Four limiting grooves 411 extending along the sliding direction of the sliding seat 42 are arranged on the inner side wall of the fixed seat 41, the four limiting grooves 411 surround the fixed seat 41 at uniform intervals in the circumferential direction, and the outer side wall of the sliding seat 42 is attached to the inner side wall of each corresponding limiting groove 411.
As shown in fig. 4 and 5, the side walls of the sliding seat 42 facing away from each other are symmetrically provided with supporting plates 425 facing the movable contact pieces 31, a groove 426 for placing the respective opposite movable contact piece 31 is formed on the supporting plate 425, one side of each of the two movable contact pieces 31 far away from the fixed end thereof is respectively pressed on the inner side wall of the respective opposite groove 426, and the bottom of the sliding seat 42 is pressed on the bottom wall of the fixed seat 41 under the pressure action of the two sets of movable contact pieces 31.
As shown in fig. 4 and 5, the triggering assembly 4 further includes a driving rod 43 for driving the sliding seat 42 to lift upwards, and the driving rod 43 and the sliding seat 42 slide in the same direction. One end of the driving rod 43 away from the sliding seat 42 penetrates out of the upper surface of the insulating seat 21 to the panel of the socket body 1. The driving rod 43 is further sleeved with a return spring 431 which stretches along the length direction of the driving rod, one end of the return spring 431 is abutted to the top of the driving rod 43, and the other end of the return spring 431 is abutted to the side wall, facing the panel, of the insulating base 21. The return spring 431 lifts the driving rod 43 upward and keeps the driving rod in a bounce state in a natural state, the lower end of the driving rod 43 is opposite to the sliding seat 42 below, the sliding seat 42 is internally provided with a plug board 421 which slides in a direction perpendicular to the sliding direction of the driving rod 43, the sliding seat 42 is internally provided with an insertion hole with an opening facing the driving rod 43, and the plug board 421 is provided with an insertion slot 422 which is communicated with the insertion hole and into which the driving rod 43 is inserted.
As shown in fig. 4 and 5, one end of the insertion board 421 extends out of the sliding seat 42 and is bent at ninety degrees in a direction away from the driving rod 43 to form a bent board, a return spring 423 is disposed between the bent board and the outer sidewall of the sliding seat 42, the return spring 423 extends and retracts in the sliding direction of the insertion board 421, one end of the return spring 423 abuts against the outer sidewall of the sliding seat 42, and the other end of the return spring 423 abuts against the bent board. The side wall of the bending plate facing away from the sliding seat 42 is pressed against the inner side wall of the fixed seat 41 under the action of the return spring 423. At this time, the insertion slot 422 arranged on the insertion plate 421 slides out from the inner part of the sliding seat 42 along with the insertion plate 421, when the driving rod 43 is pressed downwards into the sliding seat 42, the lower end of the driving rod 43 is inserted into the insertion slot 422, and the side wall of the insertion slot 422 can clamp the lower end of the driving rod 43 in the sliding seat 42 under the elastic force action of the return spring 423, so that the clamping fixation between the lower end of the driving rod 43 and the insertion plate 421 is realized.
As shown in fig. 4 and 5, the earth leakage protection assembly 3 further includes a trip mechanism 32 for pushing the insertion board 421 to disengage from the lower end of the driving rod 43, and the trip mechanism 32 is located outside the fixing base 41 and near one side of the bending plate. The trip mechanism 32 includes a coil 321 disposed on the PCB board, and an iron core 322 slidably disposed in the coil 321. One end of the iron core 322 is inserted into the outer side wall of the fixing seat 41 and is located above the bending plate formed on the inserting plate 421, and when the driving rod 43 drives the sliding seat 42 to be lifted and the movable contact piece 31 to contact with the static contact piece 221, the iron core 322 at this time is opposite to the bending plate. The side wall of the bent plate facing the core 322 is provided with a recess 424 for the core 322 to push in.
As shown in fig. 4 and 5, the iron core 322 is further sleeved with a trip spring 323 located in the coil 321, the trip spring 323 extends and retracts along the sliding direction of the iron core 322, one end of the trip spring 323 abuts against the outer side wall of the fixed seat 41, and the other end of the trip spring 323 abuts against the iron core 322. In a natural state, the trip spring 323 ejects one end of the iron core 322 from the fixed seat 41, when the trip mechanism 32 operates, the coil 321 is energized to generate a magnetic field, at this time, the iron core 322 impacts the bending plate in a direction close to the plugboard 421, the plugboard 421 slides to a corresponding side when receiving the pushing force of the iron core 322, along with the sliding of the plugboard 421, the plugboard 421 gradually removes the pressure applied to the lower end of the driving rod 43, and the lower end of the driving rod 43 is finally separated from the slot 422 to realize tripping. The iron core 322 will then be reset by the elastic force of the trip spring 323.
As shown in fig. 3 and 6, an indicator light 33 mounted on the PCB is electrically connected to the earth leakage protection assembly 3, and the indicator light 33 is turned on when the circuit is in a conducting state. The light-transmitting rod 211 penetrates through the insulating base 21, the lower end of the light-transmitting rod 211 is opposite to the indicator lamp 33, the upper end of the light-transmitting rod 211 extends to the surface of the panel of the socket body 1, and the light emitted by the indicator lamp 33 is conveniently displayed on the panel through the light-transmitting rod 211. The earth leakage protection component 3 further comprises a test module, the output end of the test module is connected with the input end of the earth leakage protection component 3 connected to the live wire, a test button 34 is arranged on the test module, and when the test button 34 is pressed down once, the test button 34 controls the test module to output a fault signal to the input end of the earth leakage protection component 3. At this time, the leakage protection module 3 can be used to test whether the leakage protection module can normally open the leakage protection, the insulating base 21 is movably provided with a testing rod 35, the lower end of the testing rod is opposite to the testing button 34, the upper end of the testing rod 35 penetrates out of the surface of the panel of the socket body 1, and the testing rod 35 and the light transmission rod 211 are symmetrically arranged on two sides of the driving rod 43.
The implementation principle of the American electric leakage protection socket in the embodiment of the application is as follows: when a current flows from one input terminal of the earth leakage protection element 3, an initial current value can be detected by the earth leakage protection element 3, and the other input terminal of the earth leakage protection element 3 is used for detecting an output current value flowing from the input terminal of the receptacle element 2. Once the initial current value and the output current value detected by the two input ends of the leakage protection component 3 are not equal, the leakage phenomenon is proved to occur at the moment, and the output end of the leakage protection component 3 immediately outputs a control signal to the trigger component 4; the trigger assembly 4 can instantly disconnect the power supply loop of the socket assembly 2 after receiving the control signal, thereby realizing the effect of leakage protection, greatly improving the use safety of the whole circuit and effectively preventing the danger of electric shock. When the leakage fault is eliminated, the power supply circuit of the socket assembly 2 is connected by pressing the trigger assembly 4 again.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides an American electric leakage protection socket, includes socket body (1), its characterized in that: the socket body (1) is internally provided with a socket component (2) and a leakage protection component (3) which are distributed up and down; a trigger component (4) is arranged between the socket component (2) and the electric leakage protection component (3), and the trigger component (4) is used for switching on and off the socket component (2); one input end of the leakage protection component (3) is connected with a live wire connected into the socket body (1) and used for detecting initial current; the other input end of the leakage protection component (3) is connected with the input end of the socket component (2) and is used for detecting output current; the output end of the electric leakage protection component (3) is connected to the trigger component (4), the trigger component (4) is controlled by the electric leakage protection component (3), when the output current values received by the two input ends of the electric leakage protection component (3) are not equal to the initial current value, the electric leakage protection component (3) outputs a control signal to the trigger component (4), and the trigger component (4) disconnects the power supply loop of the socket component (2).
2. The american type leakage protection socket as claimed in claim 1, wherein: the socket component (2) comprises an insulating seat (21) positioned above the earth leakage protection component (3) and a conducting strip (22) arranged on the insulating seat (21); a static contact piece (221) facing the leakage protection assembly (3) is arranged on the conducting strip (22), a movable contact piece (31) facing the static contact piece (221) is arranged on the leakage protection assembly (3), one end of the movable contact piece (31) is fixed on the leakage protection assembly (3) and is connected with an external live wire, and the other end of the movable contact piece (31) is opposite to the static contact piece (221); the movable contact piece (31) is erected on the trigger component (4), and the trigger component (4) is used for driving the movable contact piece (31) to move towards the direction close to or far away from the static contact piece (221).
3. The american type leakage protection socket as claimed in claim 2, wherein: the trigger assembly (4) comprises a fixed seat (41) with a bottom fixed on the earth leakage protection assembly (3) and a sliding seat (42) arranged in the fixed seat (41) in a sliding manner, and the sliding seat (42) is pressed in the fixed seat (41) by the movable contact piece (31); the sliding seat (42) is provided with a driving rod (43) in a sliding manner, and the driving rod is used for driving the sliding seat (42) to lift; one end of the driving rod (43) penetrates out of the insulating seat (21) to the front face of the socket body (1), a return spring (431) is sleeved on the driving rod (43), one end of the return spring (431) is abutted against the driving rod (43), and the other end of the return spring (431) is abutted against the side wall of the insulating seat (21) deviating from the electric leakage protection component (3); the sliding seat (42) is also internally provided with an inserting plate (421) which slides along the sliding direction vertical to the driving rod (43), and the inserting plate (421) is provided with a slot (422) for the driving rod (43) to be inserted; the earth leakage protection assembly (3) comprises a tripping mechanism (32) for pushing the plug board (421) to be separated from the driving rod (43).
4. The American style electrical leakage protection socket as claimed in claim 3, wherein: the tripping mechanism (32) comprises a coil (321) and an iron core (322) arranged in the coil (321) in a sliding manner; one end of the iron core (322) is inserted from the outer side wall of the fixed seat (41) and is opposite to the plug board (421); a tripping spring (323) positioned in the coil (321) is sleeved on the iron core (322), one end of the tripping spring (323) is abutted against the outer side wall of the fixed seat (41), and the other end of the tripping spring (323) is abutted against the iron core (322); the plug board (421) is provided with a return spring (423) which stretches along the sliding direction of the plug board (421), one end of the return spring (423) is abutted against the plug board (421), and the other end of the return spring (423) is abutted against the outer side wall of the sliding seat (42).
5. The American style electrical leakage protection socket as claimed in claim 3, wherein: the side wall of plugboard (421) towards iron core (322) is provided with groove of stepping down (424), be provided with spacing groove (411) that extend along sliding seat (42) slip direction on the inside wall of fixing base (41), spacing groove (411) are circumference and encircle sliding seat (42) outside, just sliding seat (42) lateral wall and spacing groove (411) inside wall laminating.
6. The American style electrical leakage protection socket as claimed in claim 5, wherein: the side walls of the sliding seats (42) which are deviated from each other are symmetrically provided with supporting plates (425), grooves (426) facing the moving contact pieces (31) are formed in the supporting plates (425), and the moving contact pieces (31) are respectively pressed on the side walls of the grooves (426) which are opposite to each other; the number of the movable contact pieces (31) in each group is at least two.
7. The american type leakage protection socket as claimed in claim 2, wherein: the electric leakage protection assembly (3) is electrically connected with an indicator lamp (33), a light-transmitting rod (211) penetrates through the insulating base (21), one end of the light-transmitting rod (211) is opposite to the indicator lamp (33), and the other end of the light-transmitting rod (211) extends to the front face of the socket body (1).
8. The american type leakage protection socket as claimed in claim 2, wherein: the leakage protection assembly (3) further comprises a test module, the output end of the test module is connected with the input end of the leakage protection assembly (3) connected with a live wire, a test button (34) is arranged on the test module, and the test button (34) is used for controlling the test module to output a fault signal to the input end of the leakage protection assembly (3); and a test rod (35) with one end opposite to the test button (34) and the other end penetrating out of the front surface of the socket body (1) is arranged on the insulating seat (21) in a penetrating way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110424178.9A CN113131293A (en) | 2021-04-20 | 2021-04-20 | American electric leakage protection socket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110424178.9A CN113131293A (en) | 2021-04-20 | 2021-04-20 | American electric leakage protection socket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113131293A true CN113131293A (en) | 2021-07-16 |
Family
ID=76777913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110424178.9A Pending CN113131293A (en) | 2021-04-20 | 2021-04-20 | American electric leakage protection socket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113131293A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113471868A (en) * | 2021-08-05 | 2021-10-01 | 张志杨 | Trigger type electric shock prevention and high temperature prevention early warning type ring main unit box door |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203521788U (en) * | 2013-09-12 | 2014-04-02 | 东莞市兆南电子电器科技有限公司 | Electric leakage over-current protection socket |
| CN205960346U (en) * | 2016-08-26 | 2017-02-15 | 张良成 | Electric leakage protection socket |
| CN207303559U (en) * | 2017-10-24 | 2018-05-01 | 北京海洋兴业科技股份有限公司 | A kind of intelligent socket with automatic circuit break function |
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2021
- 2021-04-20 CN CN202110424178.9A patent/CN113131293A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203521788U (en) * | 2013-09-12 | 2014-04-02 | 东莞市兆南电子电器科技有限公司 | Electric leakage over-current protection socket |
| CN205960346U (en) * | 2016-08-26 | 2017-02-15 | 张良成 | Electric leakage protection socket |
| CN207303559U (en) * | 2017-10-24 | 2018-05-01 | 北京海洋兴业科技股份有限公司 | A kind of intelligent socket with automatic circuit break function |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113471868A (en) * | 2021-08-05 | 2021-10-01 | 张志杨 | Trigger type electric shock prevention and high temperature prevention early warning type ring main unit box door |
| CN113471868B (en) * | 2021-08-05 | 2024-01-23 | 广西南亚电器有限公司 | Trigger type early warning type ring main unit box door capable of preventing electric shock and high temperature |
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Application publication date: 20210716 |