CN108493721A - Three pole break-make leakage protecting plugs - Google Patents
Three pole break-make leakage protecting plugs Download PDFInfo
- Publication number
- CN108493721A CN108493721A CN201810303318.5A CN201810303318A CN108493721A CN 108493721 A CN108493721 A CN 108493721A CN 201810303318 A CN201810303318 A CN 201810303318A CN 108493721 A CN108493721 A CN 108493721A
- Authority
- CN
- China
- Prior art keywords
- movable contact
- contact spring
- firewire
- pin
- zero curve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- H01R13/703—Structural association with built-in electrical component with built-in switch operated by engagement or disengagement of coupling parts, e.g. dual-continuity coupling part
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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
- H01R13/713—Structural association with built-in electrical component with built-in switch the switch being a safety 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
- H01R24/28—Coupling parts carrying pins, blades or analogous contacts and secured only to wire or cable
Abstract
The present invention relates to a kind of three pole break-make leakage protecting plugs, feature be include shell, wiring board, mounting base, relay assembly, relay rack, movable contact spring component, live prong structure, earth pin structure and zero line pin structure；Relay rack includes installation position, is uniformly provided with location structure and mounting structure in the both sides of installation position, mounting structure is mounted on by fastener in mounting base, and relay assembly is mounted on installation position；Movable contact spring component includes magnetic conduction iron plate, insulating barrier, firewire movable contact spring, ground wire movable contact spring and zero curve movable contact spring；Magnetic conduction iron plate is mounted on the magnetic conduction iron frame of relay assembly and can swing up and down, and insulating barrier is mounted on magnetic conduction iron plate, and one end of firewire movable contact spring, ground wire movable contact spring and zero curve movable contact spring is installed on insulating barrier.Its advantage is：Have a power failure when encountering, and encounters ground strip（Leakage）It is electric or single-phase（Line）Power supply can all be cut off, after circuit restores electricity, as long as no leak current fault, can automatically restore to original reset working condition, met the requirements of national standard GB20044 2012, can produce in batches by power-off, simple in structure, compact.
Description
Technical field
The present invention relates to a kind of three pole break-make leakage protecting plugs.
Background technology
Common three pole break-make leakage protecting plug typically coordinates monitoring circuit to control three with mechanical release device
Pole on/off；In the case where resetting working condition, switch socket is such as used, is had a power failure when encountering, and encounter ground strip again（Leakage）Electricity
Or it is single-phase（Line）When power-off, although the monitoring circuit that the leakage is protected is lost the job power supply, will not thread off tripping, i.e., can not will be electric
Source is all cut off immediately, so there is also the security risks of human electric shock；The existing earth leakage protective that can realize above-mentioned function
Plug, because too complicated etc. many defects of circuit, can't produce in batches.
Invention content
A kind of more safe and monitoring circuit simple three is provided the purpose of the present invention is overcome the deficiencies in the prior art
Pole break-make leakage protecting plug such as uses switch socket in the case where resetting working condition, has a power failure when encountering, and encounter ground wire again
Band（Leakage）It is electric or single-phase（Line）Power-off can all cut off power supply,, can be automatic extensive as long as no leak current fault after restoring electricity
Original reset working condition is arrived again；The requirement disconnected after ground wire when ground wire is first closed, disconnects when closure, meets national standard
What GB20044-2012 was required；Circuit is simple, varies without former monitoring circuit, can produce in batches, simple in structure, compact.
In order to achieve the above object, the invention is realized in this way, it is a kind of three pole break-make leakage protecting plugs, it is special
Sign is：
Shell and wiring board；The wiring board installation is inside the shell；
Mounting base, relay assembly and relay rack；The mounting base installation is on circuit boards；The relay rack includes installation
Position, live prong grafting position, earth pin grafting position and zero line pin grafting position are respectively equipped on the installation position, is being installed
The both sides of position are uniformly provided with location structure and mounting structure, and the mounting structure is mounted in mounting base by fastener thus will
Installation position is mounted in mounting base, and the relay assembly is mounted on installation position and is positioned by location structure；
Movable contact spring component；The movable contact spring component includes magnetic conduction iron plate, insulating barrier, firewire movable contact spring, ground wire movable contact spring and zero
Line movable contact spring；The magnetic conduction iron plate is mounted on the magnetic conduction iron frame of relay assembly and can swing up and down, the insulating barrier peace
On magnetic conduction iron plate, the spring of the relay assembly makes movable contact spring component reset；The firewire movable contact spring, ground wire movable contact spring
And one end of zero curve movable contact spring is installed on insulating barrier and is electrically connected respectively with firewire L, ground wire E and zero curve N, firewire is dynamic to be touched
The length of piece, ground wire movable contact spring and zero curve movable contact spring >=18mm, the length of ground wire movable contact spring is more than the length of firewire movable contact spring
And the length of zero curve movable contact spring；
Respectively with the live prong structure of circuit board electrical connection, earth pin structure and zero line pin structure；The live prong
Structure includes live prong and live prong extension；The live prong extension is plugged on live prong grafting position, fire
The upper end of line pin extension is equipped with firewire stationary contact, and the lower end of live prong extension is electrically connected with live prong, and firewire is inserted
Foot stretches out outside shell；The earth pin structure includes earth pin and earth pin extension, the earth pin extension
It is plugged on earth pin grafting position, the upper end of earth pin extension is equipped with ground wire stationary contact, under earth pin extension
End is electrically connected with earth pin, and earth pin is stretched out outside shell；The zero line pin structure includes zero line pin and zero line pin
Extension, the zero line pin extension are plugged on zero line pin grafting position, and the upper end of zero line pin extension is equipped with zero curve
The lower end of stationary contact, zero line pin extension is electrically connected with zero line pin, and zero line pin stretches out outside shell；The firewire movable contact spring
The other end it is corresponding with firewire stationary contact and electrical connection can be touched, the other end and the ground wire stationary contact phase of the ground wire movable contact spring
It corresponds to and electrical connection can be touched, the other end of the zero curve movable contact spring is corresponding with zero curve stationary contact and can touch electrical connection；It is disconnected
When opening, the other end of firewire movable contact spring and opening away from >=3mm, the other end and the ground wire stationary contact of ground wire movable contact spring for firewire stationary contact
Open away from >=3mm, the other end of zero curve movable contact spring and opening away from >=3mm for zero curve stationary contact.
In the technical scheme, the movable contact spring component further includes cleat insulator；The cleat insulator be mounted on insulation every
On plate, cleat insulator clamps one end of firewire movable contact spring, ground wire movable contact spring and zero curve movable contact spring, in the firewire movable contact spring, connects
The other end of ground movable contact spring and zero curve movable contact spring is respectively equipped with firewire movable contact, ground connection movable contact and zero curve movable contact, the fire
Line movable contact, ground connection movable contact and zero curve movable contact are corresponding with firewire stationary contact, ground connection stationary contact and zero curve stationary contact respectively.
In the technical scheme, live prong grafting position is " L " type slot, and the horizontal part of " L " type slot is located at peace
The bottom of position is filled, longitudinal portion of " L " type slot is located on the side of installation position and between two location structures, and the firewire is inserted
Foot extension is L-shaped and is plugged in " L " type slot, in the horizontal part of " L " type slot of live prong grafting position
End is equipped with firewire and bends position, and the firewire bends position and the gradient of live prong is adapted；Earth pin grafting position
It is " L " type slot, the horizontal part of " L " the type slot is located at the bottom of relay assembly installation position, longitudinal portion of " L " type slot
It is located at the top of the side of relay assembly installation position and between two fixed structures, the earth pin extension is in " L "
Shape is simultaneously plugged in " L " type slot；Zero line pin grafting position is " L " type slot, and the horizontal part of " L " the type slot is located at
Relay assembly installation position bottom, longitudinal portion of " L " type slot are located at the top of the side of relay assembly installation position and are located at
Between two fixed structures, the zero line pin extension is L-shaped and is plugged in " L " type slot, is inserted in the zero line pin
The end for connecing the horizontal part of " L " type slot of position is equipped with zero curve bending position, the gradient of the zero curve bending position and zero line pin
It is adapted.
In the technical scheme, firewire lead welding opening is equipped on the live prong extension, in grounding pin
Extension is equipped with ground lead welding opening, and zero curve lead welding opening is equipped on zero line pin extension；The firewire
Lead welding opening, ground lead welding opening and zero curve lead welding opening pass through lead and circuit board electrical connection respectively.
In the technical scheme, further include pin pad and waterproof pad；The pin pad and waterproof pad are located in shell,
Pin cushion cover is on live prong, grounding pin and the zero line pin, and the upper surface of pin pad and relay rack are against marine glue
Cushion cover is mounted in live prong, grounding pin and zero line pin and bears against and leans with the lower face of pin pad and shell.
In the technical scheme, the mounting base includes two separation sleeves, two first clasps and two connecting poles；The firewire is dynamic
Contact and ground connection movable contact spring be located in two separation sleeves to by firewire movable contact spring, ground connection movable contact spring and zero curve movable contact spring every
Open, described two first clasps are buckled on relay rack, described two in succession column be fixedly connected with relay rack by screw.
In the technical scheme, the location structure includes the second fastener and third fastener, second fastener and third
Fastener is located at installation position both sides, the second fastener and the mutual mirror symmetry of third fastener, and the second fastener and third fastener are detained
Relay assembly is set to position on relay assembly；The mounting structure is L-type connecting pole, two L-type connecting poles by screw with
Two connecting poles are fixedly connected.
The present invention compared with prior art the advantages of be：In the case where resetting working condition, switch socket is such as used, when encountering
Have a power failure, and encounters ground strip（Leakage）It is electric or single-phase（Line）Power-off can all be cut off power supply, after circuit restores electricity, as long as not having
There is leak current fault, original reset working condition can be automatically restored to；When disconnection, firewire movable contact, zero curve movable contact and ground connection
>=3mm at a distance from movable contact and firewire stationary contact, zero curve stationary contact and ground connection stationary contact, ground wire is first closed, disconnects when closure
When ground wire after the requirement that disconnects, meet national standard GB20044-2012 requirements；Circuit is simple, varies without the knot of former monitoring circuit
Structure can be produced in batches, simple in structure, compact.
Description of the drawings
Fig. 1 is the stereogram of the present invention；
Fig. 2 is the stereogram of Fig. 1 removal shells；
Fig. 3 is the stereogram of Fig. 2 removal wiring boards；
Fig. 4 is the stereogram of Fig. 3 removal connecting plates；
Fig. 5 is the vertical view of Fig. 2；
Fig. 6 is the A-A sectional views of Fig. 5；
Fig. 7 is the off-position figure of the present invention；
Fig. 8 is the normal operating conditions figure of the present invention；
Fig. 9 is the stereogram of invention relay frame；
Figure 10 is that invention relay frame looks up a stereogram；
Figure 11 is the stereogram of zero line pin structure of the present invention；
Figure 12 is the stereogram of live prong structure of the present invention.
Specific implementation mode
The specific implementation mode of the present invention is described further below in conjunction with the accompanying drawings.It should be noted that for
The explanation of these embodiments is used to help understand the present invention, but does not constitute limitation of the invention.In addition, disclosed below
The each embodiment of the present invention in involved technical characteristic can be combined with each other as long as they do not conflict with each other.
As shown in Figures 1 to 12, it is a kind of three pole break-make leakage protecting plugs, including shell 1, wiring board 2, installation
Seat, relay assembly 4, relay rack 5, movable contact spring component 6, respectively with the live prong structure of circuit board electrical connection, ground wire insert
Leg structure and zero line pin structure；Wherein,
The wiring board 2 is mounted in shell 1；
The mounting base installation is on the circuit board 2；The relay rack 5 includes installation position 54, on the installation position 54 respectively
Equipped with live prong grafting position 51, earth pin grafting position 52 and zero line pin grafting position 53, the both sides in installation position 54 are uniform
Equipped with location structure 55 and mounting structure 56, the mounting structure 56 is mounted in mounting base by fastener thus by installation position
54 are mounted in mounting base, and the relay assembly 4 is mounted on installation position 54 and is positioned by location structure 55；
The movable contact spring component 6 includes magnetic conduction iron plate 61, insulating barrier 62, firewire movable contact spring 64, ground wire movable contact spring 65 and zero curve
Movable contact spring 66；The magnetic conduction iron plate 61 be mounted on relay assembly 4 magnetic conduction iron frame 41 on and can swing up and down, it is described insulate every
Plate 62 is mounted on magnetic conduction iron plate 61, and the spring 42 of the relay assembly 4 makes movable contact spring component 6 reset；The firewire is dynamic to be touched
The one end of piece 64, ground wire movable contact spring 65 and zero curve movable contact spring 66 be installed on insulating barrier 62 and respectively with firewire L, ground wire
E and zero curve N electrical connections, such firewire movable contact spring 64, ground wire movable contact spring 65 and the meeting of zero curve movable contact spring 66 with insulating barrier 62 and are led
Magnet plate 61 is swung up and down, the length of firewire movable contact spring 64, ground wire movable contact spring 65 and zero curve movable contact spring 66 >=18mm, ground wire is dynamic
The length of contact 65 is more than the length of firewire movable contact spring 64 and the length of zero curve movable contact spring 66；
The live prong structure includes live prong 71 and live prong extension 72；The live prong extension 72 plugs
On live prong grafting position 51, the upper end of live prong extension 72 is equipped with firewire stationary contact 73, live prong extension 72
Lower end be electrically connected with live prong 71, live prong 71 stretch out shell 1 outside；The earth pin structure includes earth pin 81
And earth pin extension 82, the earth pin extension 82 are plugged on earth pin grafting position 52, earth pin extends
The upper end in portion 82 is equipped with ground wire stationary contact 83, and the lower end of earth pin extension 82 is electrically connected with earth pin 81, earth pin
81 stretch out outside shell 1；The zero line pin structure includes zero line pin 91 and zero line pin extension 92, and the zero line pin prolongs
Extending portion 92 is plugged on zero line pin grafting position 53, and the upper end of zero line pin extension 92 is equipped with zero curve stationary contact 93, and zero curve is inserted
The lower end of foot extension 92 is electrically connected with zero line pin 91, and zero line pin 91 stretches out outside shell 1；The firewire movable contact spring 64 it is another
One end is corresponding with firewire stationary contact 73 and can touch electrical connection, the other end and the ground wire stationary contact 83 of the ground wire movable contact spring 65
Corresponding and can touch electrical connection, the other end of the zero curve movable contact spring 66 is corresponding with zero curve stationary contact 93 and can touch and is electrically connected
It connects；When disconnection, the other end of firewire movable contact spring 64 and opening away from >=3mm, the other end of ground wire movable contact spring 65 for firewire stationary contact 73
With opening away from >=3mm, the other end of zero curve movable contact spring 66 and opening away from >=3mm for zero curve stationary contact 93 for ground wire stationary contact 83.
When there is no drain conditions, power on, firewire movable contact spring 64 is electrically connected with the touching of live prong 71, ground wire movable contact spring
65 are electrically connected with the touching of earth pin 81, and zero curve movable contact spring 66 is electrically connected with the touching of zero line pin 91；When deenergization, they
It opens and asks away from the case of >=3mm, solving the structures such as the mutually isolated insulation that leakage is protected between pin and relay metalwork in contact
Topic, relay is easily accommodated in leakage protecting plug, compact-sized.
In when being powered on state, relay assembly 4 is powered and drives magnetic conduction iron plate 6 to lower swing, firewire movable contact spring
64 are electrically connected with firewire stationary contact 73, and ground wire movable contact spring 65 is electrically connected with ground wire stationary contact 83, and zero curve movable contact spring 66 and zero curve are quiet
Contact 93 is electrically connected, to achieve the purpose that normal power-up.
When in off-position, relay assembly 4 power off simultaneously drive magnetic conduction iron plate 6 to be swung up, firewire movable contact spring 64 with
Firewire stationary contact 73 disconnects, and zero curve movable contact spring 66 is disconnected with zero curve stationary contact 93, to have the function that power-off, protects user
Safety.
Since the length of ground wire movable contact spring 65 is more than the length of firewire movable contact spring 64 and the length of zero curve movable contact spring 66, meet
The requirement disconnected after ground wire when ground wire is first closed, disconnects when being closed.
In the present embodiment, further include earth pin structure and ground wire movable contact spring 65 with circuit board electrical connection, described
Earth pin grafting position 52 is additionally provided on relay rack 5；Earth pin grafting position 52 is located on installation position 54, the ground wire
Pin configuration includes earth pin 81 and earth pin extension 82, and the earth pin extension 82 is plugged in earth pin and inserts
It connects on position 52, the upper end of earth pin extension 82 is equipped with ground wire stationary contact 83, the lower end of earth pin extension 82 and ground wire
Pin 81 is electrically connected, and earth pin 81 is stretched out outside shell 1；One end of the ground wire movable contact spring 65 is mounted on insulating barrier 62 simultaneously
It is electrically connected with ground wire E, the other end of the ground wire movable contact spring 65 is corresponding with ground wire stationary contact 83 and can touch electrical connection or disconnected
It opens, when disconnection, the other end of ground wire movable contact spring 65 and opening away from >=3mm for ground wire stationary contact 83,.
In the present embodiment, the movable contact spring component 6 further includes cleat insulator 63；The cleat insulator 63 is mounted on insulation
On partition board 62, cleat insulator 63 clamps one end of firewire movable contact spring 64, ground wire movable contact spring 65 and zero curve movable contact spring 66, in the fire
The other end of line movable contact spring 64, ground connection movable contact spring 65 and zero curve movable contact spring 66 is respectively equipped with firewire movable contact 641, ground connection movable contact
651 and zero curve movable contact 661, the firewire movable contact 641, ground connection movable contact 651 and zero curve movable contact 661 are quiet with firewire respectively
Contact 73, ground connection stationary contact 83 and zero curve stationary contact 93 are corresponding.
In the present embodiment, live prong grafting position 51 is " L " type slot, and the horizontal part of " L " type slot is located at peace
The bottom of position 54 is filled, longitudinal portion of " L " type slot is located on the side of installation position 54 and between two location structures 55, described
Live prong extension 72 is L-shaped and is plugged in " L " type slot, " L " type slot in live prong grafting position 51
The end of horizontal part be equipped with firewire and bend position 511, firewire bending position 511 and the gradient of live prong 71 are adapted；
Earth pin grafting position 52 is " L " type slot, and the horizontal part of " L " the type slot is located at relay assembly installation position 54
Bottom, longitudinal portion of " L " type slot be located at the top of the side of relay assembly installation position 54 and positioned at two fixed structures 55 it
Between, the earth pin extension 82 is L-shaped and is plugged in " L " type slot；Zero line pin grafting position 53 is " L " type
Slot, the horizontal part of " L " the type slot are located at 54 bottom of relay assembly installation position, longitudinal portion of " L " type slot be located at after
The top of the side of electric appliance component installation position 54 and between two fixed structures 55, the zero line pin extension 92 are in " L "
Shape is simultaneously plugged in " L " type slot, and zero curve is equipped in the end of the horizontal part of " L " type slot of zero line pin grafting position 53
Position 531 is bent, the zero curve bending position 531 and the gradient of zero line pin 91 are adapted.
In the present embodiment, it is equipped with firewire lead welding opening 74 on the live prong extension 72, is inserted in ground connection
Foot extension 82 is equipped with ground lead welding opening 84, and zero curve lead welding opening is equipped on zero line pin extension 92
94；The firewire lead welding opening 74, ground lead welding opening 84 and zero curve lead welding opening 94 pass through lead respectively
It is electrically connected with wiring board 2.
In the present embodiment, further include pin pad 10 and waterproof pad 11；The pin pad 10 and waterproof pad 11 are located at
In shell 1, pin pad 10 is sleeved on live prong 71, grounding pin 81 and zero line pin 91, the upper surface of pin pad 10 with
Relay rack 5 is against waterproof pad 11 is sleeved on live prong, grounding pin and zero line pin and bears against and pin pad 10
Lower face and shell 1 lean.
In the present embodiment, the mounting base includes two separation sleeves 31, two first clasps 32 and two connecting poles 33；The fire
Line movable contact spring 64 and ground connection movable contact spring 65 be located in two separation sleeves 31 to by firewire movable contact spring 64, ground connection movable contact spring 65 and
Zero curve movable contact spring 66 separates, and described two first clasps 312 are buckled on relay rack 5, described two in succession column 33 by screw with
Relay rack 5 is fixedly connected.
In the present embodiment, the location structure 55 includes the second fastener 551 and third fastener 552, second fastener
551 and third fastener 552 be located at 54 both sides of installation position, 552 mutual mirror symmetry of the second fastener 551 and third fastener,
Two fasteners 551 and third fastener 552, which are buckled on relay assembly 4, makes relay assembly 4 position；The mounting structure 56 is L
Type connecting pole, two L-type connecting poles are fixedly connected by screw with two connecting poles 33..
Embodiments of the present invention are explained in detail above in association with attached drawing, but the present invention is not limited to described reality
Apply mode.For the ordinary skill in the art, without departing from the principle and spirit of the present invention to these
Embodiment carries out a variety of variations, modification, replacement and deformation and still falls within the scope of the present invention.
Claims (7)
1. a kind of three pole break-make leakage protecting plugs, it is characterised in that including：
Shell（1）And wiring board（2）；The wiring board（2）Mounted on shell（1）It is interior；
Mounting base, relay assembly（4）And relay rack（5）；The mounting base is mounted on circuit board（2）On；The relay
Frame（5）Including installation position（54）, in the installation position（54）On be respectively equipped with live prong grafting position（51）, earth pin grafting
Position（52）And zero line pin grafting position（53）, in installation position（54）Both sides be uniformly provided with location structure（55）And mounting structure
（56）, the mounting structure（56）It is mounted in mounting base by fastener thus by installation position（54）In mounting base,
The relay assembly（4）Mounted on installation position（54）It goes up and passes through location structure（55）Positioning；
Movable contact spring component（6）；The movable contact spring component（6）Including magnetic conduction iron plate（61）, insulating barrier（62）, firewire movable contact spring
（64）, ground wire movable contact spring（65）And zero curve movable contact spring（66）；The magnetic conduction iron plate（61）Mounted on relay assembly（4）Magnetic conduction
Iron frame（41）Above and it can swing up and down, the insulating barrier（62）Mounted on magnetic conduction iron plate（61）On, the relay assembly（4）
Spring（42）Make movable contact spring component（6）It resets；The firewire movable contact spring（64）, ground wire movable contact spring（65）And zero curve movable contact spring
（66）One end be installed in insulating barrier（62）It is electrically connected above and with firewire L, ground wire E and zero curve N respectively, firewire movable contact spring
（64）, ground wire movable contact spring（65）And zero curve movable contact spring（66）Length >=18mm, ground wire movable contact spring（65）Length be more than fire
Line movable contact spring（64）Length and zero curve movable contact spring（66）Length；
Respectively with the live prong structure of circuit board electrical connection, earth pin structure and zero line pin structure；The live prong
Structure includes live prong（71）And live prong extension（72）；The live prong extension（72）It is plugged in live prong
Grafting position（51）On, live prong extension（72）Upper end be equipped with firewire stationary contact（73）, live prong extension（72）'s
Lower end and live prong（71）Electrical connection, live prong（71）Stretch out shell（1）Outside；The earth pin structure includes that ground wire is inserted
Foot（81）And earth pin extension（82）, the earth pin extension（82）It is plugged in earth pin grafting position（52）On,
Earth pin extension（82）Upper end be equipped with ground wire stationary contact（83）, earth pin extension（82）Lower end and earth pin
（81）Electrical connection, earth pin（81）Stretch out shell（1）Outside；The zero line pin structure includes zero line pin（91）And zero curve is inserted
Foot extension（92）, the zero line pin extension（92）It is plugged in zero line pin grafting position（53）On, zero line pin extension
（92）Upper end be equipped with zero curve stationary contact（93）, zero line pin extension（92）Lower end and zero line pin（91）Electrical connection, zero
Line pin（91）Stretch out shell（1）Outside；The firewire movable contact spring（64）The other end and firewire stationary contact（73）It is corresponding and can
Touching electrical connection, the ground wire movable contact spring（65）The other end and ground wire stationary contact（83）It is corresponding and electrical connection can be touched, institute
State zero curve movable contact spring（66）The other end and zero curve stationary contact（93）It is corresponding and electrical connection can be touched；When disconnection, firewire is dynamic to be touched
Piece（64）The other end and firewire stationary contact（73）Open away from >=3mm, ground wire movable contact spring（65）The other end and ground wire stationary contact
（83）Open away from >=3mm, zero curve movable contact spring（66）The other end and zero curve stationary contact（93）Open away from >=3mm.
2. three pole break-make leakage protecting plug according to claim 1, it is characterised in that the movable contact spring component（6）Also wrap
Include cleat insulator（63）；The cleat insulator（63）Mounted on insulating barrier（62）On, cleat insulator（63）It is dynamic tactile to clamp firewire
Piece（64）, ground wire movable contact spring（65）And zero curve movable contact spring（66）One end, in the firewire movable contact spring（64）, ground connection movable contact spring
（65）And zero curve movable contact spring（66）The other end be respectively equipped with firewire movable contact（641）, ground connection movable contact（651）And zero curve is dynamic tactile
Point（661）, the firewire movable contact（641）, ground connection movable contact（651）And zero curve movable contact（661）Respectively with firewire stationary contact
（73）, ground connection stationary contact（83）And zero curve stationary contact（93）It is corresponding.
3. three pole break-make leakage protecting plug according to claim 1, it is characterised in that live prong grafting position
（51）It is " L " type slot, the horizontal part of " L " type slot is located at installation position（54）Bottom, longitudinal portion of " L " type slot is located at peace
Fill position（54）Side on and be located at two location structures（55）Between, the live prong extension（72）It is L-shaped and plug
In " L " type slot, in live prong grafting position（51）" L " type slot horizontal part end be equipped with firewire bend position
（511）, firewire bending position（511）With live prong（71）Gradient be adapted；Earth pin grafting position（52）
It is " L " type slot, the horizontal part of " L " the type slot is located at relay assembly installation position（54）Bottom, " L " type slot it is vertical
It is located at relay assembly installation position to portion（54）Side top and be located at two fixed structures（55）Between, the earth pin
Extension（82）It is L-shaped and be plugged in " L " type slot；Zero line pin grafting position（53）It is " L " type slot, it is described
The horizontal part of " L " type slot is located at relay assembly installation position（54）Longitudinal portion of bottom, " L " type slot is located at relay assembly
Installation position（54）Side top and be located at two fixed structures（55）Between, the zero line pin extension（92）It is L-shaped
And be plugged in " L " type slot, in zero line pin grafting position（53）" L " type slot horizontal part end be equipped with zero curve
Bend position（531）, zero curve bending position（531）With zero line pin（91）Gradient be adapted.
4. three pole break-make leakage protecting plug according to claim 1, it is characterised in that in the live prong extension
（72）It is equipped with firewire lead welding opening（74）, in grounding pin extension（82）It is equipped with ground lead welding opening
（84）, in zero line pin extension（92）It is equipped with zero curve lead welding opening（94）；The firewire lead welding opening（74）、
Ground lead welding opening（84）And zero curve lead welding opening（94）Pass through lead and wiring board respectively（2）Electrical connection.
5. three pole break-make leakage protecting plug according to claim 2, it is characterised in that further include pin pad（10）And it is anti-
Glue pad（11）；The pin pad（10）And waterproof pad（11）Positioned at shell（1）It is interior, pin pad（10）It is sleeved on live prong
（71）, grounding pin（81）And zero line pin（91）On, pin pad（10）Upper surface and relay rack（5）Against marine glue
Pad（11）It is sleeved on live prong, grounding pin and zero line pin and bears against and pin pad（10）Lower face and shell
（1）It leans.
6. three pole break-make leakage protecting plug according to claim 1, it is characterised in that the mounting base includes two isolation
Set（31）, two first clasps（32）And two connecting pole（33）；The firewire movable contact spring（64）And ground connection movable contact spring（65）Position respectively
In two separation sleeves（31）In to by firewire movable contact spring（64）, ground connection movable contact spring（65）And zero curve movable contact spring（66）It separates, it is described
Two first clasps（312）It is buckled in relay rack（5）On, described two columns in succession（33）Pass through screw and relay rack（5）It is fixed
Connection.
7. three pole break-make leakage protecting plug according to claim 6, it is characterised in that the fixed structure（55）Including
Two second fasteners（551）And two third fastener（552）, two second fasteners（551）And two third fastener（552）It is located at installation
Position（54）Both sides, the second fastener（551）And third fastener（552）Mutual mirror symmetry, the second fastener（551）And third fastener
（552）It is buckled in relay assembly（4）On make relay assembly（4）Positioning；The mounting structure（56）It is L-type connecting pole, L
Type connecting pole passes through screw and two connecting poles（33）It is fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810303318.5A CN108493721B (en) | 2018-04-07 | 2018-04-07 | Tripolar on-off leakage protection plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810303318.5A CN108493721B (en) | 2018-04-07 | 2018-04-07 | Tripolar on-off leakage protection plug |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108493721A true CN108493721A (en) | 2018-09-04 |
| CN108493721B CN108493721B (en) | 2023-09-22 |
Family
ID=63314716
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810303318.5A Active CN108493721B (en) | 2018-04-07 | 2018-04-07 | Tripolar on-off leakage protection plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108493721B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108461996A (en) * | 2018-04-07 | 2018-08-28 | 佛山市顺德区信辉达电子有限公司 | Three pole break-make leakage protecting plugs |
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| CN108461996A (en) * | 2018-04-07 | 2018-08-28 | 佛山市顺德区信辉达电子有限公司 | Three pole break-make leakage protecting plugs |
| CN108461996B (en) * | 2018-04-07 | 2023-09-22 | 佛山市顺德区信辉达电子有限公司 | Tripolar on-off leakage protection plug |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108493721B (en) | 2023-09-22 |
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