CN209000849U - A kind of electric leakage module and breaker of breaker - Google Patents
A kind of electric leakage module and breaker of breaker Download PDFInfo
- Publication number
- CN209000849U CN209000849U CN201821838208.0U CN201821838208U CN209000849U CN 209000849 U CN209000849 U CN 209000849U CN 201821838208 U CN201821838208 U CN 201821838208U CN 209000849 U CN209000849 U CN 209000849U
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- terminal plate
- zero sequence
- sequence transformer
- electric leakage
- zero
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Abstract
The utility model relates to breaker technical fields, refer in particular to the electric leakage module and breaker of a kind of breaker, including zero sequence transformer, zero curve terminal plate, firewire terminal plate, coil block and wiring board, coil block includes iron core, bobbin, coil, magnetic conduction sheet and stationary contact, one end of firewire terminal plate protrudes into zero sequence transformer, zero sequence transformer is run through in one end of zero curve terminal plate, one end of coil protrudes into zero sequence transformer and connect with firewire terminal plate, and the other end of coil is connect with magnetic conduction sheet.The utility model directlys adopt coil across zero sequence transformer and is directly fixedly connected with firewire terminal plate, zero curve terminal plate is connect after passing through zero sequence transformer with the electric leakage trip assembley therefor in breaker, which simplify the techniques of zero sequence transformer punching, eliminate the mode using flexible circuit conductor punching, not only save resource and cost, also make the compact-sized and simple of electric leakage module, reduces the occupied space of zero sequence transformer, wiring board and coil block.
Description
Technical field
The utility model relates to breaker technical fields, refer in particular to the electric leakage module and breaker of a kind of breaker.
Background technique
Breaker is the electric current referred to close, carry and cut-off under normal loop condition and can close, when defined
Interior carrying and the switching device for cut-offfing the electric current under abnormal loop condition.For miniature circuit breaker, leakage function is added
Seem extremely difficult, the main reason is that limited by space, the especially modulus miniature circuit breaker that is 18mm wide.Add at present
The miniature circuit breaker for entering leakage function can occupy biggish space in the placement of zero sequence transformer and punching conducting wire, all using soft
Connecting line passes through zero sequence transformer, since flexible connecting line has certain length, so that the winding of flexible connecting line occupies breaker
Big quantity space.In addition, if electric leakage route, zero sequence transformer and punching conducting wire occupy excessive space, for breaker
The space of arc quenching system, which will receive, to be tied up, then can be impacted to the performances such as breaker breaking capacity and temperature rise electromagnetic compatibility.
Utility model content
In order to solve the above-mentioned technical problem, the purpose of this utility model is to provide the electric leakage modules of a kind of breaker and disconnected
Road device eliminates the mode using flexible circuit conductor punching which simplify the technique of zero sequence transformer punching, not only save resource and
Cost also makes the compact-sized and simple of electric leakage module, and the occupancy for reducing zero sequence transformer, wiring board and coil block is empty
Between, the space for avoiding arc extinguishing system of circuit breaker is tied up, and ensure that breaker breaking capacity and temperature rise electromagnetic compatibility etc.
Performance is unaffected, reduces the volume of breaker.
To achieve the goals above, the utility model adopts the following technical solution:
A kind of electric leakage module of breaker comprising zero sequence transformer, zero curve terminal plate, firewire terminal plate, coil block
And the wiring board being electrically connected with zero sequence transformer, the coil block include the iron core for being set to the side of zero sequence transformer, set
Bobbin loaded on iron core, is connected to the magnetic conduction sheet of iron core and is installed in the stationary contact of magnetic conduction sheet the coil for being wound in bobbin,
The zero curve terminal plate and firewire terminal plate are respectively positioned on the other side of the zero sequence transformer far from coil block, the firewire terminal plate
One end protrude into zero sequence transformer, one end of the zero curve terminal plate is through zero sequence transformer and is used for and extraneous electric leakage
Trip assembley therefor connection, a free end of the coil protrude into zero sequence transformer and connect with firewire terminal plate, the coil
Another free end connect with magnetic conduction sheet.
Further, the firewire terminal plate and zero curve terminal plate are symmetrical arranged about the central axis of zero sequence transformer,
Insulating part is provided between the firewire terminal plate and zero curve terminal plate, the insulating part is located in zero sequence transformer.
Further, the bobbin is provided with buckle slot, one end setting of the magnetic conduction sheet close to one end of stationary contact
There is the snap collar with buckle slot buckle, the snap collar and iron core contradict.
Further, the magnetic conduction sheet is in U-shaped structure, and the bobbin is provided with positioning ring far from one end of stationary contact,
The other end of the magnetic conduction sheet is provided with the locating slot with positioning ring cooperation.
Further, the magnetic conduction sheet is provided with extension, and the extension is in hook, and the stationary contact is installed in extension
Portion.
Further, a free end of the coil and firewire terminal plate weld.
Further, the zero curve terminal plate is provided with the fixation hole for connecting with extraneous electric leakage trip assembley therefor.
Further, the zero curve terminal plate includes the wire connecting portion of L-shape structure, the bending part for being connected to wire connecting portion and company
It is connected to the fixed part of bending part, the bending part is in U-shaped structure, and bending part runs through zero sequence transformer, and the fixation hole is set to
Fixed part, the fixed position is in zero sequence transformer close to the side of coil block, and wire connecting portion, that fixed part is located at zero sequence is mutual
The two sides of sensor.
Further, the coil is enameled wire.
The utility model also provides a kind of breaker, including shell and above-mentioned electric leakage module, the electric leakage module installing
In in shell.
The utility model has the beneficial effects that in actual use, when circuit is normal, in circuit other than operating current
There is no leakage current by breaker, the size of current Jing Guo zero sequence transformer is equal at this time, contrary, sum of zero, and zero
Without generating zero-sequence current in sequence mutual inductor, zero sequence transformer does not generate output signal, and normal operation of circuit breaker remains up
State；When route or by protection electric appliance occur electric leakage or someone get an electric shock when, when leakage current reaches the current value of setting, make
The current phasor of zero sequence transformer must be flowed through and be not zero, zero sequence transformer generates zero-sequence current, once reach setting value, zero sequence
Mutual inductor generates output signal to wiring board, and coil block generates magnetic force at this time, so that stationary contact and open circuit in coil block
Movable contact in device disconnects, to reach the protection of electric leakage.The electric leakage module of this breaker directlys adopt the coil of coil block
It is directly fixedly connected across zero sequence transformer and with firewire terminal plate, zero curve terminal plate is after zero sequence transformer and in breaker
Electric leakage trip assembley therefor connection, which simplify the technique of zero sequence transformer punching, eliminate the mode using flexible circuit conductor punching, no
But resource and cost are saved, the compact-sized and simple of electric leakage module is also made, reduces zero sequence transformer, wiring board and line
The occupied space of coil assembly, the space for avoiding arc extinguishing system of circuit breaker are tied up, ensure that breaker breaking capacity and
The performances such as temperature rise electromagnetic compatibility are unaffected, reduce the volume of breaker.
Detailed description of the invention
Fig. 1 is the schematic perspective view of the electric leakage module of the utility model.
Fig. 2 is the schematic perspective view at another visual angle of the electric leakage module of the utility model.
Description of symbols:
1, zero sequence transformer；2, zero curve terminal plate；21, fixation hole；22, wire connecting portion；23, bending part；
24, fixed part；3, firewire terminal plate；4, coil block；41, iron core；42, bobbin；
421, positioning ring；422, buckle slot；43, coil；44, magnetic conduction sheet；441, locating slot；
442, extension；443, snap collar；45, stationary contact；5, wiring board；6, insulating part.
Specific embodiment
For the ease of the understanding of those skilled in the art, the utility model is made below with reference to embodiment and attached drawing further
Explanation, the content that embodiment refers to not is restriction to the utility model.
As depicted in figs. 1 and 2, a kind of electric leakage module of breaker provided by the utility model comprising zero sequence transformer
1, zero curve terminal plate 2, firewire terminal plate 3, coil block 4 and the wiring board 5 being electrically connected with zero sequence transformer 1, the coil group
Part 4 includes the iron core 41 for being set to the side of zero sequence transformer 1, the bobbin 42 for the insulation for being set in iron core 41, is wound in line
The coil 43 of coil 42, the magnetic conduction sheet 44 for being connected to iron core 41 and the stationary contact 45 for being installed in magnetic conduction sheet 44, the zero curve wiring
Plate 2 and firewire terminal plate 3 are respectively positioned on the other side of the zero sequence transformer 1 far from coil block 4, one end of the firewire terminal plate 3
It protrudes into zero sequence transformer 1, one end of the zero curve terminal plate 2 is through zero sequence transformer 1 and for de- with extraneous electric leakage
Buckle assembly connection, a free end of the coil 43 protrude into zero sequence transformer 1 and connect with firewire terminal plate 3, the line
Another free end of circle 43 is connect with magnetic conduction sheet 44.Preferably, the coil 43 is enameled wire, length of the enameled wire along bobbin 42
Degree direction spiral is arranged to form coil 43.
In actual use, when circuit is normal, leakage current is not had to pass through open circuit other than operating current in circuit
Device, the size of current Jing Guo zero sequence transformer 1 is equal at this time, contrary, sum of zero, does not generate in zero sequence transformer 1
Zero-sequence current, zero sequence transformer 1 do not generate output signal, normal operation of circuit breaker, the state remained up；When route or by
When protecting electric appliance that electric leakage or someone's electric shock occurs, when leakage current reaches the current value of setting, so that flowing through zero sequence transformer 1
Current phasor and be not zero, zero sequence transformer 1 generates zero-sequence current, once reaching setting value, zero sequence transformer 1 is to route
Plate 5 generates output signal, and coil block 4 generates magnetic force at this time, so that dynamic in the stationary contact 45 and breaker in coil block 4
Contact disconnects, to reach the protection of electric leakage.The coil 43 that the electric leakage module of this breaker directlys adopt coil block 4 passes through zero
Sequence mutual inductor 1 is simultaneously directly fixedly connected with firewire terminal plate 3, and zero curve terminal plate 2 is after zero sequence transformer 1 and in breaker
Electric leakage trip assembley therefor connection, which simplify the technique of 1 punching of zero sequence transformer, eliminate the mode using flexible circuit conductor punching,
Resource and cost are not only saved, the compact-sized and simple of electric leakage module is also made, reduces zero sequence transformer 1, wiring board 5
And the occupied space of coil block 4, the space for avoiding arc extinguishing system of circuit breaker are tied up, and ensure that breaker breaking capacity
And the performances such as temperature rise electromagnetic compatibility are unaffected, reduce the volume of breaker.
In the present embodiment, the firewire terminal plate 3 is symmetrical about the central axis of zero sequence transformer 1 with zero curve terminal plate 2
Setting, so that it is the stable structure of electric leakage module, compact, insulation is provided between the firewire terminal plate 3 and zero curve terminal plate 2
Part 6, the insulating part 6 are located in zero sequence transformer 1, and firewire terminal plate 3 and zero curve terminal plate 2 are spaced apart by insulating part 6, are avoided
Firewire terminal plate 3 contacts conducting with zero curve terminal plate 2；Preferably, the insulating part 6 is plastic parts, and plastic parts has certain
On the one hand elasticity is easy for insulating part 6 and is mounted in zero sequence transformer 1, be on the other hand the elasticity due to insulating part 6 itself
Restoring force not only can play the role of buffering to firewire terminal plate 3 and zero curve terminal plate 2, can also be by firewire terminal plate 3 and zero
Line terminal plate 2 is fixed in zero sequence transformer 1, and firewire terminal plate 3 and zero curve terminal plate 2 is avoided to wave or deviate.
In the present embodiment, the bobbin 42 is provided with buckle slot 422, the magnetic conduction sheet 44 close to one end of stationary contact 45
One end be provided with the snap collar 443 buckled with buckle slot 422, the snap collar 443 is contradicted with iron core 41.Assemble bobbin 42
When with magnetic conduction sheet 44, the snap collar 443 of magnetic conduction sheet 44 is buckled in the buckle slot 422 of bobbin 42, passes through snap collar 443 and card
Catching groove 422 is cooperated, and is on the one hand easy for bobbin 42 and magnetic conduction sheet 44 and is assembled, be on the other hand ensure that coil 43 with
Magnetic conduction sheet 44 can be connected firmly.
In the present embodiment, the magnetic conduction sheet 44 is in U-shaped structure, and the bobbin 42 is provided with far from one end of stationary contact 45
Positioning ring 421, the positioning ring 421 are in arc-shaped, and the other end of the magnetic conduction sheet 44 is provided with to be determined with what positioning ring 421 cooperated
Position slot 441, the locating slot 441 are arc groove.When assembling bobbin 42 and magnetic conduction sheet 44, the positioning ring 421 of bobbin 42 holds
In the locating slot 441 of magnetic conduction sheet 44, locating slot 441 positions positioning ring 421, convenient for magnetic conduction sheet 44 and bobbin 42
It is assembled, ensure that the position degree between magnetic conduction sheet 44 and bobbin 42.
In the present embodiment, the magnetic conduction sheet 44 is provided with extension 442, and the extension 442 is in hook, the stationary contact
45 are installed in extension 442, are switched on or switched off convenient for stationary contact 45 and the movable contact in breaker, be also convenient for stationary contact 45 into
Row maintenance or replacement.
In the present embodiment, a free end of the coil 43 and firewire terminal plate 3 are welded, improve the one of coil 43 from
By holding the stability connecting with firewire terminal plate 3, coil 43 is avoided to get loose with firewire terminal plate 3.
In the present embodiment, the zero curve terminal plate 2 is provided with the fixation hole for connecting with extraneous electric leakage trip assembley therefor
21, it is preferable that the fixation hole 21 is threaded hole.After one end of zero curve terminal plate 2 passes through zero sequence transformer 1, zero curve terminal plate 2
It is threadedly coupled by fixation hole 21 with the electric leakage trip assembley therefor in breaker, it is easy to assembly, quick.
In the present embodiment, the zero curve terminal plate 2 is integral type construction, improves the structural stability of zero curve terminal plate 2
And intensity, the zero curve terminal plate 2 include the wire connecting portion 22 of L-shape structure, the bending part 23 for being connected to wire connecting portion 22 and connection
In the fixed part 24 of bending part 23, the bending part 23 is in U-shaped structure, and bending part 23 runs through zero sequence transformer 1, the fixation hole
21 are set to fixed part 24, and the fixed part 24 is located at zero sequence transformer 1 close to the side of coil block 4, and wire connecting portion 22 is fixed
Portion 24 is located at the two sides of zero sequence transformer 1, the smart structural design of the zero curve terminal plate 2, so that zero curve terminal plate 2 and zero
Compact-sized, the occupied space needed for saving zero curve terminal plate 2 of sequence mutual inductor 1.
The utility model also provides a kind of breaker, including shell and above-mentioned electric leakage module, the electric leakage module installing
In in shell.The breaker has beneficial effect possessed by above-mentioned electric leakage module, and this is no longer going to repeat them.
All technical characteristics in the present embodiment can be freely combined according to actual needs.
Above-described embodiment is the preferable implementation of the utility model, and in addition to this, the utility model can be with other sides
Formula realizes that any obvious replacement is in the protection model of the utility model under the premise of not departing from the technical program design
Within enclosing.
Claims (10)
1. a kind of electric leakage module of breaker, it is characterised in that: including zero sequence transformer, zero curve terminal plate, firewire terminal plate, line
Coil assembly and the wiring board being electrically connected with zero sequence transformer, the coil block include the iron for being set to the side of zero sequence transformer
Core, the bobbin for being set in iron core, the coil for being wound in bobbin, the magnetic conduction sheet for being connected to iron core and it is installed in the quiet of magnetic conduction sheet
Contact, the zero curve terminal plate and firewire terminal plate are respectively positioned on the other side of the zero sequence transformer far from coil block, the firewire
One end of terminal plate protrudes into zero sequence transformer, and one end of the zero curve terminal plate through zero sequence transformer and is used for and the external world
The connection of electric leakage trip assembley therefor, a free end of the coil protrudes into zero sequence transformer and connect with firewire terminal plate, institute
Another free end for stating coil is connect with magnetic conduction sheet.
2. a kind of electric leakage module of breaker according to claim 1, it is characterised in that: the firewire terminal plate and zero curve
Terminal plate is symmetrical arranged about the central axis of zero sequence transformer, is provided between the firewire terminal plate and zero curve terminal plate absolutely
Edge part, the insulating part are located in zero sequence transformer.
3. a kind of electric leakage module of breaker according to claim 1, it is characterised in that: the bobbin is close to stationary contact
One end be provided with buckle slot, one end of the magnetic conduction sheet is provided with the snap collar with buckle slot buckle, the snap collar and iron
Core contradicts.
4. a kind of electric leakage module of breaker according to claim 3, it is characterised in that: the magnetic conduction sheet is in U-shaped structure,
The bobbin is provided with positioning ring far from one end of stationary contact, and the other end of the magnetic conduction sheet is provided with and positioning ring cooperation
Locating slot.
5. a kind of electric leakage module of breaker according to claim 1, it is characterised in that: the magnetic conduction sheet is provided with extension
Portion, the extension are in hook, and the stationary contact is installed in extension.
6. a kind of electric leakage module of breaker according to claim 1, it is characterised in that: a free end of the coil with
The welding of firewire terminal plate.
7. a kind of electric leakage module of breaker according to claim 1, it is characterised in that: the zero curve terminal plate is provided with
Fixation hole for being connect with extraneous electric leakage trip assembley therefor.
8. a kind of electric leakage module of breaker according to claim 7, it is characterised in that: the zero curve terminal plate includes being in
The wire connecting portion of L shape structure is connected to the bending part of wire connecting portion and is connected to the fixed part of bending part, and the bending part is in U-shaped knot
Structure, bending part run through zero sequence transformer, and the fixation hole is set to fixed part, and the fixed position leans near line in zero sequence transformer
The side of coil assembly, wire connecting portion, fixed part are located at the two sides of zero sequence transformer.
9. a kind of electric leakage module of breaker according to claim 1, it is characterised in that: the coil is enameled wire.
10. a kind of breaker, it is characterised in that: described including shell and the described in any item electric leakage modules of claim 1 to 9
Electric leakage module is installed in shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821838208.0U CN209000849U (en) | 2018-11-08 | 2018-11-08 | A kind of electric leakage module and breaker of breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821838208.0U CN209000849U (en) | 2018-11-08 | 2018-11-08 | A kind of electric leakage module and breaker of breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209000849U true CN209000849U (en) | 2019-06-18 |
Family
ID=66806513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821838208.0U Withdrawn - After Issue CN209000849U (en) | 2018-11-08 | 2018-11-08 | A kind of electric leakage module and breaker of breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209000849U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109273332A (en) * | 2018-11-08 | 2019-01-25 | 东莞基业电气设备有限公司 | A kind of electric leakage module and breaker of breaker |
-
2018
- 2018-11-08 CN CN201821838208.0U patent/CN209000849U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109273332A (en) * | 2018-11-08 | 2019-01-25 | 东莞基业电气设备有限公司 | A kind of electric leakage module and breaker of breaker |
| CN109273332B (en) * | 2018-11-08 | 2023-08-25 | 东莞基业电气设备有限公司 | Leakage module of circuit breaker and circuit breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190618 Effective date of abandoning: 20230825 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20190618 Effective date of abandoning: 20230825 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |