CN104681369B - Electronic leakage protection switch tripping apparatus - Google Patents
Electronic leakage protection switch tripping apparatus Download PDFInfo
- Publication number
- CN104681369B CN104681369B CN201510069706.8A CN201510069706A CN104681369B CN 104681369 B CN104681369 B CN 104681369B CN 201510069706 A CN201510069706 A CN 201510069706A CN 104681369 B CN104681369 B CN 104681369B
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- CN
- China
- Prior art keywords
- coil
- push rod
- surge protection
- iron core
- dynamic iron
- 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
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/24—Electromagnetic mechanisms
Abstract
A kind of electronic leakage protection switch tripping apparatus, including case, the coil rack being placed in case, the dynamic iron core being placed in inside coil rack and push rod, are wound on the electric leakage dropout driving coil of coil rack one end, and push rod is connected with dynamic iron core.Also include that a surge protection coil, the electric leakage dropout driving coil are located at one end that coil rack is provided with push rod；The surge protection coil is wrapped in the other end of coil rack, positioned at the one end for being provided with dynamic iron core；When there is leak current fault, dynamic iron core is promoted push rod to eject and earth leakage circuit-breaker is threaded off to one lateral movement of push rod.Setting of the electronic leakage protection switch tripping apparatus of the present invention using a surge protection coil and an electric leakage dropout driving coil; surge protection coil effectively prevent because instantaneous high surge voltage occurs and cause earth leakage circuit-breaker false tripping, with higher surge voltage capacity of resisting disturbance；Integral arrangement is rationally compact.
Description
Technical field
The present invention relates to Low Voltage Electrical Apparatus, more particularly to a kind of electronic leakage protection switch tripping apparatus.
Background technology
Electronic leakage protection switch as shown in Figure 1, typically can be threaded off under the following conditions：Wink between L poles and N poles
Between when there is high surge voltage, varistor RV1 is turned on due to instantaneous pressure, produces electricity on disengaging deivce of earth leakage coil L1
Stream I, causes earth leakage circuit-breaker to be threaded off.And in actual applications, we are not intended to switch occurs because of instantaneous high surge voltage
And thread off, because can so cause application circuit wrong diagnosis electricity.
Electronic leakage protection switch as shown in Figure 2, the high surge voltage in order to avoid instantaneously occurring cause circuit to miss
Power-off, the front end that varistor RV1 is moved to coil L1, but the energy grade of varistor RV1 must be increased, thus bring into
This and volume will all be accordingly increased.
Content of the invention
It is an object of the invention to overcoming the defect of prior art, there is provided a kind of low cost, simple structure are of good performance
Electronic leakage protection switch tripping apparatus.
For achieving the above object, following technical scheme present invention employs：
A kind of electronic leakage protection switch tripping apparatus, including case 1, the coil rack 2 being placed in case 1, are placed in
Dynamic iron core 3 and push rod 5 inside coil rack 2, is wound on the electric leakage dropout driving coil 4 of 2 one end of coil rack, push rod 5 with dynamic
Iron core 3 connects；Also include that a surge protection coil 7, the electric leakage dropout driving coil 4 are provided with top positioned at coil rack 2
One end of bar 5；The surge protection coil 7 is wrapped in the other end of coil rack 2, positioned at the one end for being provided with dynamic iron core 3；When send out
During raw leak current fault, dynamic iron core 3 is promoted push rod 5 to eject and earth leakage circuit-breaker is threaded off to 5 one lateral movement of push rod.
Further, it is connected in series between the electric leakage dropout driving coil 4 and surge protection coil 7, and around to identical.
Further, also include that varistor RV1, one end of varistor RV1 are threaded off with surge protection coil 7 and electric leakage and driven
The intermediate node connection of moving winding 4, the other end are connected with power supply N poles.
Further, thread off near electric leakage beyond surge protection coil 7 and drive in one end that the dynamic iron core 3 is connected with push rod 5
The length of one end part of coil 4 is more than or equal to the other end part of the other end beyond surge protection coil 7 of dynamic iron core 3
Length.
Further, the coil rack 2 includes wrapping post 21, and the inside of wrapping post 21 is cavity 211, and dynamic iron core 3 is located at
, near 7 one end of surge protection coil, push rod 5 is inside cavity 211 near 4 one end of electric leakage dropout driving coil for cavity 211；Around
The two ends of terminal 21 are outwardly to be provided with ring baffle 212, and the middle part of wrapping post 21 is outwardly to be provided with annular partition plate 213,
Surge protection coil 7 and electric leakage dropout driving coil 4 separate the both sides for being arranged on annular partition plate 213.
Further, also include the spring 6 being sleeved on push rod 5；The other end of push rod 5 extends striker 51, and spring 6 is set with
On striker 51, push rod 5 is provided with the first boss 52 being connected with spring 6, and 2 medial wall relevant position of coil rack is provided with and spring
The second boss 23 of 6 other end connection.
Further, one end relevant position of the coil rack 2 and case 1 is provided with allow the striker 51 of push rod 5 to pass through logical
Hole 101.
Further, diode VD1, diode VD2, controllable silicon SCR, electric capacity C7 and electronic circuit are also included；Surge protection
One end after coil 7 and electric leakage dropout driving coil 4 are connected is connected with power supply L poles, and the other end is connected with the positive pole of diode VD1
Connect, the negative electrode of diode VD1 is connected with the anode of controllable silicon SCR, the negative electrode of controllable silicon SCR is connected with the positive pole of diode VD2,
The gate pole of controllable silicon SCR is connected with electronic circuit, and the negative electrode of diode VD2 is connected with power supply N poles；The two ends of electric capacity C7 and electronics
Connection；Electronic circuit one end is connected with the intermediate node of surge protection coil 7 and electric leakage dropout driving coil 4, the other end
It is connected with the anode of diode VD2.
Further, the two ends of the coil rack 2 are connected with 1 internal side wall of case respectively, 2 inside dynamic iron core of coil rack
3 one end end are adjacent to the internal side wall of case 1；1 two ends internal side wall of the case is respectively equipped with buckle block 11, the coil bone
The buckle slot 22 being respectively arranged at two ends with the cooperation of buckle block 11 of frame 2.
Electronic leakage protection switch tripping apparatus of the present invention are using a surge protection coil and electric leakage dropout drives line
The setting of circle, surge protection coil effectively prevent because instantaneous high surge voltage occurs and cause earth leakage circuit-breaker by mistake de-
Button, with higher surge voltage capacity of resisting disturbance；Integral arrangement is rationally compact.Surge protection coil and electric leakage are threaded off and are driven
Moving winding around to identical, the relative reduction difficulty of processing technique；By rationally arranging dynamic iron core position, it is right effectively can to reduce
The requirement of varistor energy grade, reduces production cost, reduces the overall volume of earth leakage circuit-breaker；When presence electric leakage event
During barrier, surge protection coil also produces magnetic force simultaneously, and the magnetic force one that electric leakage dropout driving coil is produced reacts on dynamic iron core
Earth leakage circuit-breaker is driven to thread off, performance is more stable.
Description of the drawings
Fig. 1 is the circuit diagram of prior art；
Fig. 2 is the circuit diagram of the front end that varistor RV1 is moved to prior art coil L1；
Fig. 3 is the profile of the present invention；
Fig. 4 is the circuit diagram of the present invention.
Specific embodiment
Below in conjunction with the embodiment that accompanying drawing 1 to 4 is given, the electronic leakage protection switch for further illustrating the present invention is threaded off
The specific embodiment of device.The electronic leakage protection switch tripping apparatus of the present invention are not limited to the following description.
As shown in figure 3, a kind of electronic leakage protection switch tripping apparatus, including case 1, the coil being placed in case 1
Skeleton 2, the dynamic iron core 3 being placed in inside coil rack 2 and push rod 5, are wound on the electric leakage dropout driving coil 4 of 2 one end of coil rack,
Push rod 5 is connected with dynamic iron core 3.Also include that a surge protection coil 7, the electric leakage dropout driving coil 4 are located at coil rack 2
It is provided with one end of push rod 5；The surge protection coil 7 is wrapped in the other end of coil rack 2, positioned at being provided with dynamic iron core 3
One end；When there is leak current fault, dynamic iron core 3 is promoted push rod 5 to eject and earth leakage circuit-breaker is taken off to 5 one lateral movement of push rod
Button.Electronic leakage protection switch tripping apparatus of the present invention are using a surge protection coil and an electric leakage dropout driving coil
Setting, surge protection coil effectively prevent because instantaneous high surge voltage occurs and causes earth leakage circuit-breaker false tripping,
There is higher surge voltage capacity of resisting disturbance；Integral arrangement is rationally compact.Surge protection coil and electric leakage are threaded off and are driven
Coil around to identical, the relative reduction difficulty of processing technique；By rationally arranging dynamic iron core position, effectively can reduce to pressure
The requirement of quick resistance energy grade, reduces production cost, reduces the overall volume of earth leakage circuit-breaker；When there is leak current fault
When, surge protection coil also produces magnetic force simultaneously, and the magnetic force one that electric leakage dropout driving coil is produced reacts on dynamic iron core drive
Dynamic earth leakage circuit-breaker is threaded off, and performance is more stable.
As shown in Figure 3-4, it is connected in series between the electric leakage dropout driving coil 4 and surge protection coil 7, and around to phase
With；Surge protection coil 7 and electric leakage dropout driving coil 4 around to identical, the relative reduction difficulty of processing.The dynamic iron core
Length of 3 one end being connected with push rod 5 beyond surge protection coil 7 near one end part of electric leakage dropout driving coil 4 is more than
Or equal to dynamic iron core 3 the other end beyond surge protection coil 7 other end part length；By dynamic iron core 3 and top in figure
Length of the one end of the connection of bar 5 beyond surge protection coil 7 near one end part of electric leakage dropout driving coil 4 is set to " b " value,
The other end of dynamic iron core 3 is set to " a " value beyond the length of the other end part of surge protection coil 7, in order to ensure dynamic iron core 3 not
Push rod 5 can be promoted and cause earth leakage circuit-breaker false tripping, " b " value should be greater than or be equal to " a " value so that when the high surge of appearance
During voltage, generation surge current in surge protection coil 7, the generation magnetic force of surge protection coil 7, and dropout driving coil 4 of leaking electricity
Without electric current, magnetic force is not produced, opposite direction motion or remain stationary as that dynamic iron core 3 is threaded off towards push rod 5；Additionally, " a " value and
The preferred span of " b " value is according to line operating voltages, the concrete size of trip gear, the parameter of case, dynamic iron core material
The definition such as material, dynamic iron core size.When there is leak current fault, the electric leakage dropout of surge protection coil 7 driving coil 4 all flows through de-
Detain electric current and produce magnetic force, the magnetic force that the magnetic force and surge protection coil 7 that dropout driving coil of leaking electricity 4 is produced is produced drives and moves
Iron core 3 promotes push rod 5 towards the direction motion that threads off so that earth leakage circuit-breaker is threaded off.
As shown in figure 3, the coil rack 2 includes wrapping post 21, the inside of wrapping post 21 is cavity 211, and dynamic iron core 3 sets
In cavity 211 near 7 one end of surge protection coil, push rod 5 is inside cavity 211 near 4 one end of electric leakage dropout driving coil；
The two ends of wrapping post 21 are outwardly to be provided with ring baffle 212, and the middle part of wrapping post 21 is outwardly to be provided with annular partition plate
213, surge protection coil 7 and electric leakage dropout driving coil 4 separate the both sides for being arranged on annular partition plate 213；Annular partition plate
213 setting, will be spaced-apart next to surge protection coil 7 and electric leakage dropout driving coil 4, it is ensured that the service behaviour of the two.
Also include the spring 6 being sleeved on push rod 5；The other end of push rod 5 extends striker 51, and spring 6 is set on striker 51, push rod
5 one end is provided with the first boss 52 being connected with spring 6, and 2 medial wall relevant position of coil rack is provided with the other end with spring 6
The second boss 23 of connection；During installation, spring 6 is inserted in from 51 one end of striker, and one end of spring 6 is connected with first boss 52, separately
One end is connected with second boss 23, the secure and reliable connection of spring 6.One end corresponding positions of the coil rack 2 and case 1 are installed
There is the through hole 101 for allowing the striker 51 of push rod 5 to pass through；During installation, striker 51 passes through through hole 101.The two ends of the coil rack 2 point
It is not connected with 1 internal side wall of case；1 two ends internal side wall of the case is respectively equipped with buckle block 11, and the two of the coil rack 2
End is respectively equipped with the buckle slot 22 coordinated with buckle block 11；During installation, the buckle block 11 at 1 two ends of case is respectively clamped into coil rack
In the buckle slot 22 at 2 two ends, stabilized structure reliability therebetween.
During installation, first electric leakage dropout driving coil 4 can be wound respectively in 213 both sides of annular partition plate of coil rack 2
With surge protection coil 7；Then in the internal cavities of coil rack 2, spring 6 is sequentially placed into, with the dynamic iron core 3 being fixedly connected
With push rod 5, through spring, striker 51 passes through through hole 101 to the striker 51 of push rod 5；Finally by case 1 and 2 company of fixation of coil rack
Connect.
As shown in figure 4, for the circuit diagram of electronic leakage protection switch tripping apparatus of the present invention, in figure, L1 is surge protection
Coil 7, L2 leak electricity dropout driving coil 4, also include varistor RV1, diode VD1, diode VD2, controllable silicon SCR,
Electric capacity C7 and electronic circuit.One end of varistor RV1 and surge protection coil 7 and the middle node of electric leakage dropout driving coil 4
Point connection, the other end are connected with power supply N poles.One end and power supply after 4 series connection of surge protection coil 7 and electric leakage dropout driving coil
L poles connect, and the other end is connected with the positive pole of diode VD1, and the negative electrode of diode VD1 is connected with the anode of controllable silicon SCR, controllable
The negative electrode of silicon SCR is connected with the positive pole of diode VD2, and the gate pole of controllable silicon SCR is connected with electronic circuit, the moon of diode VD2
Pole is connected with power supply N poles；The two ends of electric capacity C7 are connected with electronic circuit；Electronic circuit one end and surge protection coil 7 and electric leakage
The intermediate node connection of dropout driving coil 4, the other end are connected with the anode of diode VD2.
As shown in figure 4, when there is surge voltage, the surge current I1 of generation flows through surge protection coil L1, pressure-sensitive electricity
Resistance RV1, forms the restriction voltage much smaller than surge voltage at the two ends of varistor RV1, is effectively protected electricity below
Electronic component in sub-line road；Simultaneously because sealing in for surge protection coil 7, can be relative in the case where identical protection class is required
Reduce the energy grade of varistor.When there is leak current fault, electronic circuit turns on controllable silicon SCR, and supply voltage is added in
The surge protection coil L1 of series connection and electric leakage dropout driving coil L2, diode VD1, controllable silicon SCR, diode VD2 form de-
Button electric current I2, makes electric leakage trip switch thread off.
Electronic leakage protection switch tripping apparatus of the present invention are arranged and are connected in series and around to one surge protection of identical
Coil and an electric leakage dropout driving coil, effectively prevent because instantaneous high surge voltage occurs and cause earth leakage circuit-breaker
False tripping, while reduce the difficulty of processing technique.Surge protection coil can get surge protection and trip action dual function,
When occurring high surge voltage in circuit, earth leakage circuit-breaker false tripping protected by surge protection coil；Leak electricity when existing in circuit
During failure, the magnetic force one of surge protection coil and electric leakage dropout driving coil generation reacts on dynamic iron core and drives earth leakage protective to open
Close and thread off, performance is more stable.
Above content is further description made for the present invention with reference to specific preferred implementation, it is impossible to assert
The present invention be embodied as be confined to these explanations.For general technical staff of the technical field of the invention,
On the premise of without departing from present inventive concept, some simple deduction or replace can also be made, should all be considered as belonging to the present invention's
Protection domain.
Claims (8)
1. a kind of electronic leakage protection switch tripping apparatus, including case (1), the coil rack (2) being placed in case (1),
The internal dynamic iron core (3) of coil rack (2) and push rod (5) is placed in, the electric leakage dropout driving coil of coil rack (2) one end is wound on
(4), push rod (5) is connected with dynamic iron core (3), it is characterised in that：Also include that a surge protection coil (7), the electric leakage are threaded off
Driving coil (4) is located at one end that coil rack (2) is provided with push rod (5)；Surge protection coil (7) are wrapped in coil bone
The other end of frame (2), positioned at the one end for being provided with dynamic iron core (3)；When there is leak current fault, dynamic iron core (3) is to push rod (5) side
Motion, promotes push rod (5) to eject and earth leakage circuit-breaker is threaded off；One end that dynamic iron core (3) are connected with push rod (5) exceeds
Length of the surge protection coil (7) near one end part of electric leakage dropout driving coil (4) is more than or equal to dynamic iron core (3)
Length of the other end beyond the other end part of surge protection coil (7).
2. electronic leakage protection switch tripping apparatus according to claim 1, it is characterised in that：The electric leakage is threaded off and is driven
It is connected in series between moving winding (4) and surge protection coil (7), and around to identical.
3. electronic leakage protection switch tripping apparatus according to claim 2, it is characterised in that：Also include varistor
RV1, one end of varistor RV1 are connected with the intermediate node of surge protection coil (7) and electric leakage dropout driving coil (4), separately
One end is connected with power supply N poles.
4. electronic leakage protection switch tripping apparatus according to claim 1, it is characterised in that：The coil rack
(2) include wrapping post (21), the inside of wrapping post (21) is cavity (211), and dynamic iron core (3) is located at cavity (211) near surge
Protection coil (7) one end, push rod (5) are internal near electric leakage dropout driving coil (4) one end located at cavity (211)；Wrapping post
(21) two ends are outwardly to be provided with ring baffle (212), and the middle part of wrapping post (21) is outwardly to be provided with annular partition plate
(213), surge protection coil (7) and electric leakage dropout driving coil (4) separate the both sides for being arranged on annular partition plate (213).
5. electronic leakage protection switch tripping apparatus according to claim 1, it is characterised in that：Also include being sleeved on top
Spring (6) on bar (5)；The other end of push rod (5) extends striker (51), and spring (6) is set on striker (51), push rod
(5) first boss (52) being connected with spring (6) is provided with, and coil rack (2) medial wall relevant position is provided with another with spring (6)
The second boss (23) of one end connection.
6. electronic leakage protection switch tripping apparatus according to claim 5, it is characterised in that：The coil rack
And one end relevant position of case (1) is provided with the through hole (101) for allowing the striker (51) of push rod (5) to pass through (2).
7. electronic leakage protection switch tripping apparatus according to Claims 2 or 3, it is characterised in that：Also include two poles
Pipe VD1, diode VD2, controllable silicon SCR, electric capacity C7 and electronic circuit；Surge protection coil (7) and electric leakage dropout driving coil
(4) connect after one end be connected with power supply L poles, the other end is connected with the positive pole of diode VD1, the negative electrode of diode VD1 with can
The anode connection of control silicon SCR, the negative electrode of controllable silicon SCR are connected with the positive pole of diode VD2, the gate pole and electronics of controllable silicon SCR
Connection, the negative electrode of diode VD2 are connected with power supply N poles；The two ends of electric capacity C7 are connected with electronic circuit；Electronic circuit one end
It is connected with the intermediate node of surge protection coil (7) and electric leakage dropout driving coil (4), the anode of the other end and diode VD2
Connection.
8. electronic leakage protection switch tripping apparatus according to claim 1, it is characterised in that：The coil rack
(2) two ends are connected with case (1) internal side wall respectively, and internal dynamic iron core (3) one end end of coil rack (2) is adjacent to case
(1) internal side wall；Case (1) two ends internal side wall is respectively equipped with buckle block (11), the two ends of coil rack (2)
It is respectively equipped with the buckle slot (22) coordinated with buckle block (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510069706.8A CN104681369B (en) | 2015-02-10 | 2015-02-10 | Electronic leakage protection switch tripping apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510069706.8A CN104681369B (en) | 2015-02-10 | 2015-02-10 | Electronic leakage protection switch tripping apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104681369A CN104681369A (en) | 2015-06-03 |
| CN104681369B true CN104681369B (en) | 2017-03-15 |
Family
ID=53316273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510069706.8A Active CN104681369B (en) | 2015-02-10 | 2015-02-10 | Electronic leakage protection switch tripping apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104681369B (en) |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2677807B1 (en) * | 1991-06-14 | 1993-09-03 | Merlin Gerin | ELECTROMAGNETIC TRIGGER WITH PERCUTOR. |
| FR2682533B1 (en) * | 1991-10-10 | 1993-11-26 | Merlin Gerin | ELECTRIC CIRCUIT BREAKER WITH INSERTION OF MAGNETIC TRIGGER SPIERS. |
| FR2798506B1 (en) * | 1999-09-15 | 2001-11-09 | Schneider Electric Ind Sa | ELECTROMAGNETIC ACTUATOR WITH TWO RETURN SPRINGS |
| CN201256132Y (en) * | 2008-03-24 | 2009-06-10 | 施耐德电器工业公司 | High interference resistance electronic leakage protection switch tripping apparatus |
| CN201252069Y (en) * | 2008-09-09 | 2009-06-03 | 李乾伟 | Two-way magnetic control drive device for a circuit breaker |
| CN202905637U (en) * | 2012-07-11 | 2013-04-24 | 法纳通电器(上海)有限公司 | Current leakage trip |
| CN203503577U (en) * | 2013-09-13 | 2014-03-26 | 浙江正泰电器股份有限公司 | Electric leakage buckle release |
| CN203503579U (en) * | 2013-09-16 | 2014-03-26 | 浙江天正电气股份有限公司 | Electromagnetic system of electric leakage buckle release |
| CN204480984U (en) * | 2015-02-10 | 2015-07-15 | 浙江正泰电器股份有限公司 | Electronic leakage protection switch tripping apparatus |
-
2015
- 2015-02-10 CN CN201510069706.8A patent/CN104681369B/en active Active
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| Publication number | Publication date |
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| CN104681369A (en) | 2015-06-03 |
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