CN206401650U - A kind of earth leakage protective converter - Google Patents
A kind of earth leakage protective converter Download PDFInfo
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- CN206401650U CN206401650U CN201621492490.2U CN201621492490U CN206401650U CN 206401650 U CN206401650 U CN 206401650U CN 201621492490 U CN201621492490 U CN 201621492490U CN 206401650 U CN206401650 U CN 206401650U
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Abstract
The utility model is related to a kind of earth leakage protective converter, including housing, pin group, sleeve group, leakage protection module, pin group includes a grounding pin and two power pins, sleeve group includes a ground connection sleeve and two power supply sleeves, earth protective device is provided with grounding pin, the earth protective device includes the grounding reed being arranged on grounding pin, the contact plate set up an organization at correspondence grounding reed on frame, connected between contact plate and ground connection sleeve by earth lead, a ground connection magnet ring is set with earth lead, ground connection magnet ring is connected with wiring board, grounding reed is towards being provided with contact on one end of contact plate, the earthing contact being connected with contact is provided with contact plate, two power supply sleeves are connected on two outlet copper sheets by two wires respectively, electric leakage magnet ring is sleeved on two outlet copper sheets, and outlet copper sheet is connected with two movable contact springs respectively.The utility model has the advantages that simple in construction, high sensitivity, high reliability.
Description
Technical field
The utility model is related to a kind of power supply changeover device, and in particular to a kind of earth leakage protective converter.
Background technology
Earth leakage protective converter is primarily used to when leak current fault occurs for equipment and to there is the person of fatal risk to touch
Electric protection, had both protected the personal safety of electrical appliance people, electric equipment can be protected against damages again.As household electrical appliance are in resident
Popularization in daily life, while bringing convenient, its security also has attracted increasing attention, and people are to leakage
The performance requirement of electric transducer also more and more higher.However, the structure design of existing earth leakage protective converter is unreasonable, work as electrical equipment
When equipment is leaked electricity, the trip gear action of the converter is insensitive, so that the personal safety of electrical appliance people can not be ensured；And
Also there is no ground protection in the insecure defect of complicated, performance, and existing earth leakage protective converter in the converter
Function.
The content of the invention
The purpose of this utility model is to overcome the defect of prior art, and there is provided a kind of simple in construction, high sensitivity, Gao Ke
By the earth leakage protective converter of property.
To achieve the above object, the utility model uses a kind of earth leakage protective converter, including housing, pin group, sleeve
Group, leakage protection module, described housing include base, upper lid, and being constituted between base and upper lid has an accommodating cavity, described
Sleeve group, leakage protection module are separately positioned in accommodating cavity, and described pin group is arranged on the lower surface of base, pin group
Including a grounding pin and two power pins, sleeve group includes a ground connection sleeve and two power supply sleeves, described leakage
Electric protection module includes mechanism seat, the wiring board being arranged on mechanism seat, is arranged on magnetictrip in mechanism seat, is taken off with electromagnetism
Detain locking plate, SR that device linkage sets, detection button in the circuit board, electric leakage magnet ring, correspondence electric leakage magnet ring are set
Piezo-resistance, two static contacts set respectively on two power pins, the correspondence two of connection in the circuit board are quiet at side
Two movable contact springs, the contact rack contradicted on the lower surface of two movable contact springs in the circuit board is connected at contact, and reset is pressed
The lower end of button sequentially passes through back-moving spring, wiring board, mechanism rack and is movably arranged in contact rack, and described locking plate passes through contact
Frame and it is connected on the lower end of SR, is provided with earth protective device on described grounding pin, the earth protective device
Including grounding reed, the contact plate that sets up an organization on frame, described contact at correspondence grounding reed being arranged on grounding pin
Connected between plate and ground connection sleeve by earth lead, a ground connection magnet ring, ground connection magnet ring and circuit are set with earth lead
Plate is connected, and described grounding reed is connected with contact towards being provided with to be provided with contact, contact plate on one end of contact plate
Earthing contact, two described power supply sleeves are connected on two outlet copper sheets by two wires respectively, described electric leakage
Magnet ring is sleeved on two outlet copper sheets, and outlet copper sheet is connected with two movable contact springs respectively.
The beneficial effect of said structure is：Leakage protection module is provided with the earth leakage protective converter, when leaking electricity
When failure or the person get an electric shock, the magnet coil that wiring board is received in electric leakage signal, leakage protection module produces induced field, pushes away
Dynamic iron core is acted, so that iron core drives locking plate action, locking plate loses the limitation of SR, and contact rack is moved downwards with movable contact spring
Make, movable contact spring quickly disconnects with static contact, realizes the creepage protection function of the earth leakage protective converter, and be provided with wiring board
Piezo-resistance, so that the earth leakage protective converter has anti-lightning strike function, and is provided with earth protective device on grounding pin, when
When connecing unreliable in succession, the ground connection magnet ring on earth protective device detects electric leakage signal, so that wiring board receives electric leakage letter
Number, the locking plate in leakage protection module performs electric leakage trip action, realizes the ground protection function of the earth leakage protective converter.And
The earth leakage protective converter also has simple in construction, high sensitivity, the function of high reliability.
Especially, protector is provided with described housing at correspondence sleeve group, described protector includes setting
Protection gate seat in sleeve group, the first protection door being slidably arranged in protection gate seat, it is arranged in protection gate seat and with first
Two stage clips between the second protection door, the protection door of connection first and the second protection door that protection door is engaged, described protection
Correspondence two of which jack on three jacks being connected with sleeve group, the first described protection door is provided with the bottom wall of gate seat
Place is respectively arranged with a first load inclined-plane, and being provided with zero line at another jack of correspondence on the second described protection door inserts
On hole, the second protection door a second load inclined-plane, described upper lid on pair are respectively arranged with the both sides of correspondence zero line jack
Answer zero line jack, the first load inclined-plane, be provided with jack at the second load inclined-plane.By being provided with protection in sleeve group
Device, so as to avoid dust or debris from entering in the earth leakage protective converter, it is to avoid security incident is induced, so as to improve
The stability of earth leakage protective converter work.
Especially, it is provided with a guide rail on the bottom wall of described protection gate seat, the lower surface of described the first protection door
On be provided with guide groove, guide groove, which is installed on guide rail and constitutes first, protects door with protecting being slidably connected for gate seat.First protects
Shield door be slidably arranged in protection gate seat in guide rail on, it is ensured that first protection door can protection gate seat in act it is more smooth,
Avoid the first protection door stuck in protection gate seat, it is ensured that attaching plug can be smoothly connected in sleeve group.
Especially, the second described protection door direction first, which is protected, is provided with guide part on one end of door, the first protection door
On be provided with the cell body being engaged with guide part, being provided with one on the lower surface of described guide part slides raised line, described
Be provided with cell body and slide the slide slot that raised line is engaged, slide raised line be installed in slide slot and constitute first protect door with
Second protects being slidably connected for door.First protection door is slidably arranged on the second protection door, it is ensured that the first protection door and second is protected
Protect door and coordinate more reliable, improve the reliability of protector work, it is ensured that attaching plug can smoothly be connected to slotting
In set group.
Especially, two stage clip ends of correspondence are respectively arranged with a locating dowel on the first described protection door, described
Second protection door two stage clip other ends of correspondence at be respectively arranged with a positioning hole, one end difference of described two stage clips
It is installed in corresponding locating dowel, the other end of two stage clips is installed in corresponding positioning hole respectively.Stage clip and first
Using being connected by the way of clamping connection between protection door, the second protection door, consequently facilitating the installation of stage clip, also ensure that stage clip and
Connect more compact between first protection door, the second protection door.
Especially, the edge of corresponding line plate is respectively arranged with four rectangular battle arrays on the upper surface of described mechanism rack
The snap fit of row, four snap fits are distinguished on the upper surface of clamp assist side and constitute the clamping of mechanism rack and wiring board.Mechanism rack
It is connected between wiring board by the way of clamping, consequently facilitating the assembling of mechanism rack and wiring board, improves the earth leakage protective
The production efficiency of converter.
Brief description of the drawings
Fig. 1 is the utility model embodiment stereogram.
Fig. 2 is the utility model embodiment decomposing schematic representation.
Fig. 3 is the utility model embodiment sectional view.
Fig. 4 is the utility model embodiment cut-away view.
Fig. 5 is the stereogram that the utility model protects gate seat.
Fig. 6 is the stereogram that the utility model first protects door.
Fig. 7 is the stereogram that the utility model second protects door.
Embodiment
As shown in Fig. 1~7, the utility model embodiment is a kind of earth leakage protective converter, including housing 10, pin group
11st, sleeve group 12, leakage protection module 20, described housing 10 include base 101, upper lid 102, base 101 and upper lid 102 it
Between constitute and have an accommodating cavity, described sleeve group 12, leakage protection module 20 are separately positioned in accommodating cavity, described pin
Group 11 is arranged on the lower surface of base 101, and pin group 11 includes a grounding pin 111 and two power pins 112, sleeve
Group 12 includes a ground connection sleeve 121 and two power supply sleeves 122, and described leakage protection module 20 includes mechanism seat 21, set
The wiring board 22 on mechanism seat 21 is put, magnetictrip 27 in mechanism seat 21 is arranged on, being linked with magnetictrip 27 is set
Locking plate 31, SR 24, the detection button 23 set in assist side 21, electric leakage magnet ring 25, correspondence electric leakage magnet ring 25
The piezo-resistance 26 in assist side 21, two static contacts 28, right set respectively on two power pins 112 are connected at side
Answer two movable contact springs 29 connected at two static contacts 28 in assist side 21, contradict on the lower surface of two movable contact springs 29
Contact rack 30, and the lower end of SR 24 sequentially passes through back-moving spring 32, wiring board 22, mechanism rack 21 and is movably arranged on tactile
In head frame 30, described locking plate 31 passes through contact rack 30 and is connected on the lower end of SR 24, described grounding pin 111
On be provided with earth protective device 40, the earth protective device 40 includes being arranged on grounding reed 41 on grounding pin 111, right
The contact plate 42 set up an organization at grounding reed 41 on frame 21 is answered, by connecing between described contact plate 42 and ground connection sleeve 121
Ground wire 43 is connected, and a ground connection magnet ring 44 is set with earth lead 43, ground connection magnet ring 44 is connected with wiring board 22, described
Grounding reed 41 is provided with what is be connected with contact 411 towards being provided with one end of contact plate 42 on contact 411, contact plate 42
Earthing contact 421, two described power supply sleeves 122 are connected on two outlet copper sheets 34 by two wires 33 respectively, institute
The electric leakage magnet ring set 25 stated is on two outlet copper sheets 34, and outlet copper sheet 34 is connected with two movable contact springs 29 respectively.It is described
Mechanism rack 21 upper surface on the edge of corresponding line plate 22 be respectively arranged with the snap fits 211 of four rectangular arrays, four
Individual snap fit 211 is distinguished on the upper surface of clamp assist side 22 and constitutes mechanism rack 21 and the clamping of wiring board 22.Mechanism rack with
Connected between wiring board by the way of clamping, consequently facilitating the assembling of mechanism rack and wiring board, improves the earth leakage protective and turn
The production efficiency of parallel operation.
As shown in Fig. 2,4,5,6,7, protector 50 is provided with correspondence sleeve group 12 in described housing 10, it is described
Protector 50 includes the protection gate seat 51 in setting sleeve group 12, the first protection door being slidably arranged in protection gate seat 51
52nd, be arranged on protection gate seat 51 in and with first protection door 52 be engaged second protection door 53, be connected first protection door 52 and
It is provided with what is be connected with sleeve group 12 on two stage clips 54 between second protection door 53, the bottom wall of described protection gate seat 51
First load to be respectively arranged with correspondence two of which jack 511 oblique on three jacks 511, the first described protection door 52
On face 521, the second described protection door 53 zero line jack 531, the second protection door 53 are provided with another jack 511 of correspondence
Correspondence zero on a second load inclined-plane 532, described upper lid 102 is respectively arranged with the both sides of upper correspondence zero line jack 531
Line jack 531, the first load inclined-plane 521, it is provided with jack 103 at the second load inclined-plane 532.By being set in sleeve group
There is protector, so as to avoid dust or debris from entering in the earth leakage protective converter, it is to avoid induce security incident, so that
Improve the stability of earth leakage protective converter work.A guide rail 512 is provided with the bottom wall of described protection gate seat 51,
It is provided with guide groove 522 on the lower surface of described first protection door 52, guide groove 522 is installed on guide rail 512 and constitutes the
One protection door 52 is slidably connected with protection gate seat 51.First protection door is slidably arranged on the guide rail in protection gate seat, can be protected
It is more smooth that card first protects door to be acted in protection gate seat, it is to avoid the first protection door is stuck in protection gate seat, it is ensured that
Attaching plug can be smoothly connected in sleeve group.Described second protection door 53 is towards setting on one end of the first protection door 52
It is equipped with guide part 533, the first protection door 52 and is provided with the cell body 523 being engaged with guide part 533, described guide part 533
Lower surface on be provided with one and slide and be provided with raised line 534, described cell body 523 with sliding the cunning that raised line 534 is engaged
Row groove 524, slides raised line 534 and is installed in slide slot 524 and constitutes the first slip company for protecting the protection door 53 of door 52 and second
Connect.First protection door is slidably arranged on the second protection door, it is ensured that the first protection door coordinates more reliable with the second protection door, improves
The reliability of protector work, it is ensured that attaching plug can be smoothly connected in sleeve group.Described first protects
Two ends of stage clip 54 of correspondence are respectively arranged with a locating dowel 525, the second described protection door 53 correspondence two on shield door 52
A positioning hole 535 is respectively arranged with the individual other end of stage clip 54, one end of two described stage clips 54 is installed on relatively respectively
525 in the locating dowel answered, the other end of two stage clips 54 is installed in corresponding positioning hole 535 respectively.Stage clip and first is protected
Connected by the way of being connected between shield door, the second protection door using clamping, consequently facilitating the installation of stage clip, also ensure that stage clip and the
Connect more compact between one protection door, the second protection door.
Leakage protection module is provided with the earth leakage protective converter, when occurring leak current fault or the person gets an electric shock, circuit
The magnet coil that plate is received in electric leakage signal, leakage protection module produces induced field, iron core action is promoted, so that iron core band
Dynamic locking plate action, locking plate loses the limitation of SR, contact rack and movable contact spring downward actuation, movable contact spring and the fast quick-break of static contact
Open, realize the creepage protection function of the earth leakage protective converter, and piezo-resistance is provided with wiring board, so that the earth leakage protective
Converter has anti-lightning strike function, and earth protective device is provided with grounding pin, when connecing unreliable in succession, ground protection
Ground connection magnet ring on device detects electric leakage signal, so that wiring board receives the locking plate in electric leakage signal, leakage protection module
Electric leakage trip action is performed, the ground protection function of the earth leakage protective converter is realized.And the earth leakage protective converter also has
The function of simple in construction, high sensitivity, high reliability.
Claims (6)
1. a kind of earth leakage protective converter, including housing, pin group, sleeve group, leakage protection module, described housing include bottom
Seat, upper lid, composition has an accommodating cavity between base and upper lid, and described sleeve group, leakage protection module are separately positioned on appearance
Intracavitary is put, described pin group is arranged on the lower surface of base, pin group includes a grounding pin and two power pins,
Sleeve group includes a ground connection sleeve and two power supply sleeves, it is characterised in that：Described leakage protection module include mechanism seat,
The wiring board on mechanism seat is arranged on, magnetictrip in mechanism seat is arranged on, link the locking plate, multiple set with magnetictrip
Position button, detection button in the circuit board, electric leakage magnet ring are set, connection is in the circuit board at the side of correspondence electric leakage magnet ring
Connected in the circuit board at two static contacts, two static contacts of correspondence on piezo-resistance, respectively two power pins of setting
Two movable contact springs, the contact racks contradicted on the lower surface of two movable contact springs, and the lower end of SR sequentially passes through reset bullet
Spring, wiring board, mechanism rack and it is movably arranged in contact rack, described locking plate is through contact rack and is connected under SR
On end, earth protective device is provided with described grounding pin, the earth protective device includes being arranged on grounding pin
The contact plate set up an organization at grounding reed, correspondence grounding reed on frame, by connecing between described contact plate and ground connection sleeve
A ground connection magnet ring is set with ground wire connection, earth lead, ground connection magnet ring is connected with wiring board, described grounding reed court
The earthing contact for being provided with and being connected with contact on contact, contact plate, two described electricity are provided with to one end of contact plate
Source sleeve is connected on two outlet copper sheets by two wires respectively, and described electric leakage magnet ring is sleeved on two outlet copper sheets
On, and outlet copper sheet is connected with two movable contact springs respectively.
2. earth leakage protective converter according to claim 1, it is characterised in that：Set in described housing at correspondence sleeve group
It is equipped with protector, described protector includes setting protection gate seat in sleeve group, is slidably arranged in and protects in gate seat
First protection door, be arranged on protection gate seat in and with first protection door be engaged second protection door, be connected first protection door and
It is slotting that three be connected with sleeve group are provided with two stage clips between second protection door, the bottom wall of described protection gate seat
On hole, the first described protection door a first load inclined-plane, described second are respectively arranged with correspondence two of which jack
The both sides punishment of correspondence zero line jack on zero line jack, the second protection door is provided with protection door at another jack of correspondence
Correspondence zero line jack, the first load inclined-plane are not provided with a second load inclined-plane, described upper lid, at the second load inclined-plane
It is provided with jack.
3. earth leakage protective converter according to claim 2, it is characterised in that：Set on the bottom wall of described protection gate seat
There is a guide rail, be provided with guide groove on the lower surface of described the first protection door, guide groove is installed on guide rail and constitutes the
One protection door is slidably connected with protection gate seat.
4. earth leakage protective converter according to claim 2, it is characterised in that：The second described protection door is protected towards first
It is provided with the one end for protecting door on guide part, the first protection door and is provided with the cell body being engaged with guide part, described guide part
Lower surface on be provided with one and slide and be provided with raised line, described cell body with sliding the slide slot that raised line is engaged, slide
Raised line, which is installed in slide slot and constitutes first, protects door to protect being slidably connected for door with second.
5. earth leakage protective converter according to claim 2, it is characterised in that：Correspondence two on the first described protection door
Stage clip end is respectively arranged with a locating dowel, second described protection door two stage clip other ends of correspondence and is respectively arranged with
One positioning hole, one end of two described stage clips is installed in corresponding locating dowel respectively, the other end point of two stage clips
It is not installed in corresponding positioning hole.
6. earth leakage protective converter according to claim 1, it is characterised in that：Correspondence on the upper surface of described mechanism rack
The edge of wiring board is respectively arranged with the snap fit of four rectangular arrays, and four snap fits distinguish the upper surface of clamp assist side
Clamping that is upper and constituting mechanism rack and wiring board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621492490.2U CN206401650U (en) | 2016-12-31 | 2016-12-31 | A kind of earth leakage protective converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621492490.2U CN206401650U (en) | 2016-12-31 | 2016-12-31 | A kind of earth leakage protective converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206401650U true CN206401650U (en) | 2017-08-11 |
Family
ID=59516228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621492490.2U Active CN206401650U (en) | 2016-12-31 | 2016-12-31 | A kind of earth leakage protective converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206401650U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109390730A (en) * | 2017-08-14 | 2019-02-26 | 苏州益而益电器制造有限公司 | Leakage protecting plug |
-
2016
- 2016-12-31 CN CN201621492490.2U patent/CN206401650U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109390730A (en) * | 2017-08-14 | 2019-02-26 | 苏州益而益电器制造有限公司 | Leakage protecting plug |
| CN109390730B (en) * | 2017-08-14 | 2024-02-27 | 苏州益而益电器制造有限公司 | Leakage protection plug |
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