CN207353171U - Leakage circuit breakers - Google Patents
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- CN207353171U CN207353171U CN201720987786.XU CN201720987786U CN207353171U CN 207353171 U CN207353171 U CN 207353171U CN 201720987786 U CN201720987786 U CN 201720987786U CN 207353171 U CN207353171 U CN 207353171U
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Abstract
A kind of leakage circuit breakers, including：Input terminal, breaker assembly, earth leakage protective component and the outlet terminal set gradually in the first direction, wherein the earth leakage protective component includes：Zero sequence transformer, is configured as the leakage current in sensing loop with output sensing signal；Control circuit, is arranged on electronic circuit board, is configured as receiving the sensing signal and determines whether the leakage current exceedes threshold value based on the sensing signal；And action actuating mechanism, it is configured as performing action when the leakage current exceedes the threshold value, so that the breaker assembly cutoff circuit, wherein described zero sequence transformer and the action actuating mechanism are arranged on the first side in a second direction of the electronic circuit board, and the second direction is orthogonal with the first direction.
Description
Technical field
The disclosure relates generally to leakage circuit breakers, particularly integral type leakage circuit breakers.
Background technology
The leakage current of leakage circuit breakers in circuit exceedes rapid execution during predetermined value and acts with disconnecting circuit.Generally
Ground, leakage circuit breakers are pin-connected panel, it includes the breaker module being abreast bolted together and electric leakage product module.So
Leakage circuit breakers occupied space it is more, and need artificial wiring, take time and effort.
Utility model content
Embodiment of the disclosure provides a kind of leakage circuit breakers, it will electric leakage while the performance of leakage circuit breakers is ensured
Product module and breaker module integrate, to realize integral type leakage circuit breakers, so that wiring link is not only saved, and
And allow to reduce distribution box size.
In accordance with an embodiment of the present disclosure, there is provided a kind of leakage circuit breakers, including：The end of incoming cables set gradually in the first direction
Son, breaker assembly, earth leakage protective component and outlet terminal, wherein the earth leakage protective component includes：Zero sequence transformer, by with
The leakage current in sensing loop is set to output sensing signal；Control circuit, is arranged on electronic circuit board, is configured as receiving
The sensing signal and determine whether the leakage current exceedes threshold value based on the sensing signal；And action actuating mechanism,
It is configured as performing action when the leakage current exceedes the threshold value, so that the breaker assembly cutoff circuit, wherein
The zero sequence transformer and the action actuating mechanism are arranged on the first side in a second direction of the electronic circuit board, institute
It is orthogonal with the first direction to state second direction.
In accordance with an embodiment of the present disclosure, electric leakage product module is arranged on leading-out terminal so that major loop does not have to turn direction, directly
Tap into electric leakage induction coil and connected with terminal.In addition, pass through the zero sequence transformer to leakage protection module, electronic circuit
The optimization layout of plate, action actuating mechanism, realizes creepage protection function, and ensure miniature circuit breaker most with minimum space
Large space.
In the exemplary embodiment, the earth leakage protective component, which further includes, is respectively used at least two of at least two poles and leads
Line, at least two conducting wires pass through the zero sequence transformer, and the first end of at least two conducting wires is respectively coupled to
The respective terminal of the input terminal, the second end of at least two conducting wires are respectively coupled to the respective end of the outlet terminal
Son.In this way, at least two poles are integrated.
In the exemplary embodiment, the earth leakage protective component further includes the extension contact site at least two poles, described
Extension contact site extends in this second direction, first side of the close electronic circuit board of the extension contact site
The second end of the end respectively with least two conducting wires engage, and the extension contact site is also coupled to institute
State the respective terminal of outlet terminal.In this way, ensure shortest cycle, power consumption and temperature is raised and is minimized.
In the exemplary embodiment, the leakage circuit breakers further includes：Magnetic protects component, and the magnetic protects component along described the
One direction is arranged between the input terminal and the earth leakage protective component, and is configured as performing short-circuit protection.
In the exemplary embodiment, the terminal of the first side of the magnetic protection component is respectively coupled to the input terminal, institute
The terminal for stating the second side of magnetic protection component is joined respectively to the first end of at least two conducting wires.
In the exemplary embodiment, the action actuating mechanism includes the first housing parts, and the magnetic protection component includes using
The first magnetic assembly in a pole, first magnetic assembly include the second housing parts, and first housing parts and institute
The second housing parts are stated to be engaged with each other.
In the exemplary embodiment, first housing parts are coaxially engaged as sectional casing with second housing parts
Body.
In accordance with an embodiment of the present disclosure, earth leakage protective component and magnetic protection component are combined into a combine component, realized
The minimum in space, meets the trend of product miniaturization, easy to Product Assembly, and improves efficiency of assembling.
In the exemplary embodiment, the leakage circuit breakers further includes：At least two operation handles, are configured to extremely
Few two poles are controlled.In this way, the performance of miniature circuit breaker is ensured.
In the exemplary embodiment, the leakage circuit breakers further includes：Leakage tests button, the leakage tests button are set
Between the input terminal and the operation handle, and two extremely centres are arranged on, the leakage tests button is used to examine
Survey the leakage circuit breakers when the leakage current exceedes the threshold value whether cutoff circuit.In this way, leakage tests button
Easy to be connected with two poles, and meet operating habit.
In the exemplary embodiment, wherein the zero sequence transformer and the action actuating mechanism are arranged side by side at the electricity
First side of sub- wiring board.In this way, creepage protection function is realized with minimum space.
In leakage circuit breakers in accordance with an embodiment of the present disclosure, by the way that the two poles of the earth functional unit is integrated, reduction accounts for
With space and efficiency of assembling is improved, and by optimizing the layout designs on the product module that leaks electricity, makes electric leakage product module
Power consumption and temperature rise minimize and ensure the space of miniature circuit breaker, so as to meet to minimize and ensure product
Energy.
Brief description of the drawings
Fig. 1 shows the schematic cross-section of leakage circuit breakers in accordance with an embodiment of the present disclosure；
Fig. 2 shows the schematic cross-section of leakage circuit breakers in accordance with an embodiment of the present disclosure；
Fig. 3 shows the structure diagram of earth leakage protective component in accordance with an embodiment of the present disclosure；
Fig. 4 shows the structure diagram of earth leakage protective component in accordance with an embodiment of the present disclosure；
Fig. 5 shows the structure diagram of earth leakage protective component and magnetic protection component in accordance with an embodiment of the present disclosure；
Fig. 6 shows the schematic cross-section of leakage circuit breakers in accordance with an embodiment of the present disclosure；
Fig. 7 shows the decomposition diagram of leakage circuit breakers in accordance with an embodiment of the present disclosure；
Fig. 8 shows the front view of leakage circuit breakers in accordance with an embodiment of the present disclosure；And
Fig. 9 shows the decomposed schematic diagram of leakage circuit breakers in accordance with an embodiment of the present disclosure.
Embodiment
Embodiment of the disclosure is more fully described below with reference to accompanying drawings.Although the implementation of the disclosure is shown in attached drawing
Example, it being understood, however, that the disclosure can be realized and should not be limited by embodiment set forth herein by various forms.Phase
Instead, there is provided these embodiments be in order to enable the disclosure is more thorough and complete, and can be by the scope of the present disclosure intactly
It is communicated to those skilled in the art.In the accompanying drawings, identical Ref. No. refers to identical component all the time.
Will in the case where not influencing the performance of leakage circuit breakers according to the integral type leakage circuit breakers of the design of the disclosure
The electric leakage product module and breaker module of pin-connected panel leakage circuit breakers are combined into one.According to the design of the disclosure, do not influencing
User use and retention property in the case of, electric leakage product module is arranged on leading-out terminal, and by the electric leakage for the two poles of the earth
Protection component and magnetic protection component are combined into a component.In addition, pass through the zero sequence transformer to leakage protection module, electric wire
Road plate, action actuating mechanism and the optimization layout for extending contact site, creepage protection function is realized with minimum space.
It is described in detail the integral type leakage circuit breakers of the above-mentioned design according to the disclosure hereinafter with reference to the accompanying drawings.
Fig. 1 shows the sectional view of leakage circuit breakers in accordance with an embodiment of the present disclosure.With reference to Fig. 1, leakage circuit breakers
100 input terminal 102, breaker assembly 104, earth leakage protective component 106 and outlet terminals including setting gradually along the Z direction
108。
Input terminal 102 and outlet terminal 108 are separately positioned on the both ends along Z directions of leakage circuit breakers 100, to divide
The line and each polar curve of output of each pole (for example, P poles, N poles) Yong Yu not accessed.Input terminal 102 and outlet terminal 108 can be
Terminal at least the two poles of the earth.In the exemplary embodiment, input terminal 102 and outlet terminal 108 are the two poles of the earth terminal.For example, should
Two extremely P poles and N poles, or be P1 poles and P2 poles.
Breaker assembly 104 is electrically coupled between input terminal 102 and outlet terminal 108, and is arranged to lean on along Z-direction
Nearly input terminal 102.Breaker assembly 104 is configured as being switched on or switched off circuit.In the exemplary embodiment, breaker assembly
104 breakers being known in the art, herein by the descriptions thereof are omitted.
Earth leakage protective component 106 is electrically coupled between input terminal 102 and outlet terminal 108, and is arranged to along Z-direction
Close to outlet terminal 108.That is, in the leakage circuit breakers 100 of embodiment of the disclosure, earth leakage protective component 106 is set
Put in 108 side of outlet terminal, while the design for ensuring breaker assembly 104 remains unchanged so that major loop does not have to turn side
To being directly connected by earth leakage protective component 106 with outlet terminal 108.
In addition, leakage circuit breakers 100 can also include Thermal protection component, Thermal protection component is electrically coupled to input terminal 102
Between outlet terminal 108, input terminal 102 is disposed proximate to along Z-direction, and is configured as performing overload protection, for example,
So that breaker assembly cutoff circuit in the case of current overload.The thermal protector that Thermal protection component is known in the art,
Herein by the descriptions thereof are omitted.
In addition, leakage circuit breakers 100 can also include magnetic protection component, magnetic protection component is electrically coupled to input terminal 102
Between outlet terminal 108, input terminal 102 is disposed proximate to along Z-direction, and is configured as performing short-circuit protection, for example,
So that breaker assembly cutoff circuit in the case of the short circuit of circuit.Magnetic protects component and magnetic protector well known in the art substantially
It is identical, the difference of magnetic protection component in accordance with an embodiment of the present disclosure is described later with reference to Fig. 4 to Fig. 6.
Illustrate earth leakage protective component in accordance with an embodiment of the present disclosure below with reference to Fig. 2 and Fig. 3.Fig. 2 shows root
According to the schematic cross-section of the leakage circuit breakers of embodiment of the disclosure.Fig. 3 shows that electric leakage in accordance with an embodiment of the present disclosure is protected
The structure diagram of protecting assembly.With reference to Fig. 2 and Fig. 3, the earth leakage protective component 106 in leakage circuit breakers 100 includes zero-sequence mutual inductance
Device 202, control circuit, electronic circuit board 204 and action actuating mechanism 206.
Zero sequence transformer 202 is configured as the leakage current in sensing loop, and exports opposite with the leakage current sensed
The sensing signal answered.In the exemplary embodiment, the conducting wire for two pole passes through zero sequence transformer 202.In the case, zero sequence
The sensing of mutual inductor 202 is used in the conducting wire of two pole the imbalance of the electric current flowed, and exports corresponding sensing signal.
Control circuit is arranged on electronic circuit board 204.Control circuit is configured as receiving from zero sequence transformer 202 and senses
Signal, and leakage current failure is determined based on the sensing signal.In the exemplary embodiment, control circuit is determined based on sensing signal
Whether leakage current exceedes predetermined threshold.When the leakage current sensed exceedes predetermined threshold, control circuit determines the leakage in circuit
Current failure, and export corresponding control signal.
Action actuating mechanism 206 is mechanically coupled to breaker assembly 104.Action actuating mechanism 206 is configured as returning
Leakage current in road performs action when exceeding predetermined threshold so that 104 cutoff circuit of breaker assembly.Action actuating mechanism 206
Receive control signal from electronic circuit board 204, and action performed based on the control signal, for example, make electric leakage move core movement with
Mandril is operated, so that by breaker assembly 104 come cutoff circuit, to ensure electric power safety.
With reference to Fig. 2 and Fig. 3, zero sequence transformer 202 is arranged in the Y-direction (for example, positive Y-direction) of electronic circuit board 204
Side (for example, first side), action actuating mechanism 206 is also disposed at the Y-direction of electronic circuit board 204 (for example, positive Y side
To) on side (for example, first side).In the exemplary embodiment, zero sequence transformer 202 and action actuating mechanism 206 be abreast
It is arranged on the first side of electronic circuit board 204.The combination of zero sequence transformer 202 and action actuating mechanism 206 and electronic circuit board
204 arrange along the Y direction.Zero sequence transformer 202, the combination of action actuating mechanism 206 and electronic circuit board 204 and input terminal
102nd, breaker assembly 104, outlet terminal 108 arrange along the Z direction.It should be appreciated that X, Y and Z-direction for being shown in figure
For three mutually orthogonal directions in rectangular coordinate system.
In the exemplary embodiment, zero sequence transformer 202, action actuating mechanism 206 and electronic circuit board 204 substantially along
Y-direction is arranged, so that the minimizing thickness of earth leakage protective component 106 in z-direction.It should be appreciated that zero sequence transformer 202
With action actuating mechanism 206 for the terminal part that with electronic circuit board 204 couples or engage can in z-direction with electricity
Sub- wiring board 204 is overlapping.In addition, zero sequence transformer 202 and action actuating mechanism 206 do not overlap each other, and zero sequence transformer
202 and the width of action actuating mechanism 206 in the X direction be close or equal to the width of electronic circuit board 204 in the X direction.
By the above-mentioned design to zero sequence transformer 202, action actuating mechanism 206 and electronic circuit board 204, optimize each
The spatial arrangement of component, saves occupied space, so that realize creepage protection function with minimum space, it is miniature disconnected without influencing
The space of road device, it is ensured that the superperformance of leakage circuit breakers.
With reference to Fig. 2, leakage circuit breakers 100 further includes test loop 208.Test loop 208 and leakage circuit breakers 100
Leakage tests button couples, for use as the leakage tests circuit of leakage circuit breakers 100.Test loop 208 is arranged on two pole
At approximately mid way between, it is described later with reference to Fig. 9.
Referring to Fig. 4 come illustrate earth leakage protective component in accordance with an embodiment of the present disclosure in leakage circuit breakers with other
The connection relation of component.
Fig. 4 shows the structure diagram of earth leakage protective component in accordance with an embodiment of the present disclosure.
With reference to Fig. 4, earth leakage protective component 106 further includes two conducting wires 402 and 404 for two pole, two conducting wires
402 and 404 pass through zero sequence transformer 202.The first end of two conducting wires 402 and 404 is respectively coupled to the two of input terminal 102
A terminal, the second end of two conducting wires 402 and 404 are respectively coupled to two terminals of outlet terminal 108.Two 402 Hes of conducting wire
404 can be the conductive rigid line or flexible cord being electrically insulated from each other.It should be appreciated that for convenience of description, leak electricity not shown in Fig. 4
Protect the electronic circuit board 204 of component 106.
In addition, earth leakage protective component 106 further includes the extension contact site 406 and 408 for two pole.With reference to Fig. 2 and figure
4, extension contact site 406 and 408 extends along the Y direction, and extends the end difference in the positive Y-direction of contact site 406 and 408
Engaged with the second end of two conducting wires 402 and 404.Extension contact site 406 and 408 is respectively coupled to two ends of outlet terminal
Son.In this way, the conducting wire 402 and 404 being pierced by from zero sequence transformer 202 is directly connect in a manner of shortest cycle with outlet terminal
Close, so that power consumption and temperature rise minimize.For example, two conducting wires 402 and 404 by welding with extension contact site 406 and
408 engagements.
As described above, leakage circuit breakers can also include magnetic protection component.With reference to Fig. 1 and Fig. 4,410 electricity of magnetic protection component
It is coupling between input terminal 102 and outlet terminal 108, and input terminal 102 and earth leakage protective group is arranged on along Z-direction
Between part 106.Magnetic protection component 410 is engaged with earth leakage protective component 106 in z-direction.
In the exemplary embodiment, the side of the remote extension contact site 406 and 408 of magnetic protection component 410 is (for example, first
Side) two terminals (for example, terminal 416 in terminal 606 and Fig. 4 in the Fig. 6 being described later on) be respectively coupled to end of incoming cables
Son.Two terminals of the side (for example, second side) of the close extension contact site 406 and 408 of magnetic protection component 410 connect respectively
Close the first end to two conducting wires 402 and 404.With reference to Fig. 4, magnetic protection component 410 includes two splice terminals 412 and 414,
And magnetic protection component 410 is connect by two conducting wires 402 and 404 of the splice terminal 412 and 414 respectively with earth leakage protective component
Close.For example, splice terminal 412 and 414 can be engaged by welding with conducting wire 402 and 404.
In addition, with reference to Fig. 4, earth leakage protective component can also include extension terminal 418 and 420.Extend terminal 418 and 420
It can be engaged respectively with extension contact site 406 and 408.Extending terminal 418 and 420 can be respectively with extending contact site 406 and 408
It is integrally formed.Extension terminal 418 and 420 prolongs from the end in the negative Y-direction of extension contact site 406 and 408 towards negative Z-direction
Stretch, in order to be coupled with outlet terminal.
In described above, earth leakage protective component protects the splice terminal 412 of component 410 by conducting wire 402 and 404 and magnetic
With 414 engagements.Illustrate earth leakage protective component with magnetic protection component in addition to above-mentioned engagement below with reference to Fig. 5 and Fig. 6
Other engagements.
Fig. 5 shows the structure of a state of earth leakage protective component and magnetic protection component in accordance with an embodiment of the present disclosure
Schematic diagram.It should be appreciated that Fig. 5 shows that earth leakage protective component and the assembly of magnetic protection component are being assembled to leakage, breaking
State before in device, and show extend in earth leakage protective component contact site 406 and 408 and electronic circuit board 204 it
Between state.
With reference to Fig. 5, magnetic protection component include being used for the first magnetic assembly 502 of pole and for another pole second
Magnetic assembly 504.
In the exemplary embodiment, above with reference to described in Fig. 4, the first magnetic assembly 502 passes through splice terminal 412 and earth leakage protective
The conducting wire 402 of component engages.In addition, the first magnetic assembly 502 is engaged with the action actuating mechanism 206 of earth leakage protective component.First
Magnetic assembly 502 is fixed relative to action actuating mechanism 206, for example, being fixed relative to earth leakage protective component.First magnetic assembly 502
It can be combined into one with action actuating mechanism 206.First magnetic assembly 502 can be integrally formed with action actuating mechanism 206.Slightly
It will illustrate the first magnetic assembly 502 and the engagement of action actuating mechanism 206 with reference to Fig. 6 afterwards.
In addition, above with reference to described in Fig. 4, the second magnetic assembly 504 passes through splice terminal 414 and the conducting wire of earth leakage protective component
404 engagements.
In this way, the component formed by earth leakage protective component and magnetic protection component shown in Fig. 5 is easy to be assembled to Lou
In electrical circuit breakers.For example, first assembling the targeted pole of relatively-stationary first magnetic assembly 502, then another pole is being assembled
When, in the exemplary embodiment, the second magnetic assembly 504 can be relative to fixed miscellaneous part (for example, earth leakage protective component
Or the first magnetic resistance part 502) movable, so that assembly difficulty substantially reduces.
As described above, the component that earth leakage protective component protects the combine component of component not will be only used in two poles with magnetic integrates
Together, and by difference in functionality component integrate, be easily assembled into while occupied space is reduced in final products.
With reference to Fig. 5, in earth leakage protective component, extension contact site 406 and 408 can be solid relative to electronic circuit board 204
It is fixed.For example, extension contact site 406 and 408 can be releasably coupled with electronic circuit board 204.For example, extension contact site 406
It can be fixedly engaged with 408 with electronic circuit board 204.Alternately, extending contact site 406 and 408 can also be relative to electricity
Sub- wiring board 204 is movable.
As described above, earth leakage protective component connects with the extension that the combine component of magnetic protection component includes coupling with outlet terminal
Contact portion 406 and 408 so that earth leakage protective component and the combine component of magnetic protection component are easily assembled with outlet terminal.
Fig. 6 shows the schematic cross-section of leakage circuit breakers in accordance with an embodiment of the present disclosure, wherein schematically showing
The first magnetic assembly 502 and the engagement of action actuating mechanism 206 in addition to the engagement via the splice terminal 412.
With reference to Fig. 6, action actuating mechanism 206 includes housing parts 602.First magnetic assembly 502 includes housing parts 604.
Housing parts 602 and housing parts 604 are engaged with each other.In the exemplary embodiment, housing parts 602 and housing parts 604 are coaxial
Ground engagement is combined shell.For example, housing parts 602 coaxially engage along the Z direction with housing parts 604.Implement in example
In example, housing parts 602 can be combined into one with housing parts 604.In the exemplary embodiment, housing parts 602 can be with
Housing parts 604 are integrally formed.
As described above, in accordance with an embodiment of the present disclosure, earth leakage protective component becomes combine component with magnetic protection component set.Should
Combine component is pre-assembled component, i.e. during whole leakage circuit breakers is assembled, it is straightforward to provide the combine component.
The combine component includes extension contact site, in order to shorten loop length and assembled with outlet terminal.In addition, the combine component
In magnetic protection component close input terminal side design and with the design of the coupling of breaker and typical magnetic protection
Device is identical, so that extra design and assembly difficulty will not be brought, and ensures the performance for including the breaker of magnetic defencive function.
Loop length in the combine component is shorter, thus temperature rise and power consumption it is smaller, and the occupied space of the combine component compared with
It is small, the space of miniature circuit breaker is not influenced, so that it is guaranteed that the performance of integral type leak electricity short-circuit device.
Illustrate that combinations thereof component (for example, magnetic protection and earth leakage protective component) leaks electricity in integral type referring to Fig. 7
Connection relation in breaker between miscellaneous part.Fig. 7 shows point of leakage circuit breakers in accordance with an embodiment of the present disclosure
Solve schematic diagram.In addition to magnetic protection and earth leakage protective component 701, integral type leakage circuit breakers further includes left side case 702, left side
Lid 703, test spring 704, right side case 705 and right cap 706, to realize the major function of leakage circuit breakers.In addition, integral type
Leakage circuit breakers further includes the accessories such as leading-out terminal sub-block 707, front shroud and testing button 708, locking folder 709.
During integral type leakage circuit breakers is assembled, magnetic protection and earth leakage protective component are provided first.Then by magnetic
The relatively-stationary part (for example, first magnetic assembly) of protection and earth leakage protective component is assembled with left side case and left cap.
Then by the relatively mobilizable part (for example, second magnetic assembly) and right side case and right cap of magnetic protection and earth leakage protective component
Assembled.After leading-out terminal sub-block is engaged with the extension contact site of magnetic protection and earth leakage protective component, one is basically completed
The assembling of body formula leakage circuit breakers.It should be appreciated that it is provided with left side case, left cap, right side case and right cap except this
Other public affairs for being used to implement the function of leakage circuit breakers outside the magnetic protection of described in the text and each component of earth leakage protective component
Know component, will omit the description to these well-known components herein.
Fig. 8 shows the front view of integral type leakage circuit breakers in accordance with an embodiment of the present disclosure.It is disconnected with reference to Fig. 8, electric leakage
Road device 100 further includes two operation handles 802, it is respectively controlled two poles.In addition, leakage circuit breakers 100 further includes
Leakage tests button 804, leakage tests button 804 are arranged between input terminal 102 and operation handle 802.Leakage tests are pressed
Button 804 be used for detect leakage circuit breakers when leakage current exceedes predetermined threshold whether cutoff circuit.In this way, according to the disclosure
The integral type leakage circuit breakers of embodiment maintain the exemplary position of leakage tests button, in order to operating habit and facility
Property.In addition, leakage tests button 804 is arranged on two extremely centres.For example, leakage tests button 804 is arranged on leakage circuit breakers
100 central spot in the X direction, in order to be connected with two poles.
Fig. 9 shows the decomposed schematic diagram of leakage circuit breakers in accordance with an embodiment of the present disclosure.Fig. 9 shows Fig. 2
In setting position of the test loop 208 in leakage circuit breakers.With reference to Fig. 7 and Fig. 9, leakage tests button 804 is arranged on a left side
On side cover 902, test spring is provided with left cap 902.In addition, test loop is arranged in the case 904 of right side, with positioned at two
The substantially centre of a pole, easy to be connected with two poles.
In leakage circuit breakers in accordance with an embodiment of the present disclosure, there is provided the zero sequence transformer of earth leakage protective component, electronics
Wiring board, action actuating mechanism and the layout designs for extending contact site, it not only makes earth leakage protective component in leakage circuit breakers
The space occupied is smaller, loop length is shorter, also allows earth leakage protective component to protect component set to become combine component with magnetic.The group
Seaming element is integrated with component and difference in functionality component for two pole, reduces occupied space, it is ensured that miniature circuit breaker
Performance, and easy to the assembling of whole integral type leakage circuit breakers.
It should be appreciated that although the foregoing describe the integral type leakage circuit breakers for two pole, the design of the disclosure
It is readily applicable to for leakage circuit breakers more than two poles, i.e. earth leakage protective component includes the conducting wire of more than two, it is worn
Cross zero sequence transformer and coupled respectively with the respective terminal of input terminal and the respective terminal of outlet terminal.
While there has been shown and described that embodiment of the disclosure, it will be apparent to a skilled person that not taking off
In the case of from the scope of the present disclosure, various replacements and/or equivalent embodiments can substitute the specific implementation for showing and describing
Example.The disclosure is intended to cover any change or deformation of specific embodiment described herein.
Claims (10)
1. a kind of leakage circuit breakers, including：
Input terminal, breaker assembly, earth leakage protective component and the outlet terminal set gradually in the first direction,
Wherein described earth leakage protective component includes：
Zero sequence transformer, is configured as the leakage current in sensing loop with output sensing signal；
Control circuit, is arranged on electronic circuit board, is configured as receiving the sensing signal and is based on the sensing signal
Determine whether the leakage current exceedes threshold value；And
Action actuating mechanism, is configured as performing action when the leakage current exceedes the threshold value, so that the breaker
Component cutoff circuit,
Wherein described zero sequence transformer and the action actuating mechanism be arranged on the electronic circuit board in a second direction
First side, the second direction are orthogonal with the first direction.
2. leakage circuit breakers according to claim 1, wherein,
The earth leakage protective component further includes at least two conducting wires for being respectively used at least two poles, and at least two conducting wires are worn
The zero sequence transformer is crossed, and
The first end of at least two conducting wires is respectively coupled to the respective terminal of the input terminal, at least two conducting wires
Second end be respectively coupled to the respective terminal of the outlet terminal.
3. leakage circuit breakers according to claim 2, wherein,
The earth leakage protective component further includes the extension contact site at least two poles, and the extension contact site is described second
Side upwardly extend, it is described extension contact site the close electronic circuit board first side end respectively with it is described at least
The second end engagement of two conducting wires, and
The extension contact site is also coupled to the respective terminal of the outlet terminal.
4. leakage circuit breakers according to claim 2, further includes：
Magnetic protects component, and the magnetic protection component is arranged on the input terminal and the earth leakage protective group along the first direction
Between part, and it is configured as performing short-circuit protection.
5. leakage circuit breakers according to claim 4, wherein the terminal of the first side of magnetic protection component couples respectively
To the input terminal, the terminal of the second side of the magnetic protection component is joined respectively to described the of at least two conducting wires
One end.
6. leakage circuit breakers according to claim 5, wherein,
The action actuating mechanism includes the first housing parts,
The magnetic protection component includes being used for the first magnetic assembly of a pole, and first magnetic assembly includes the second housing parts,
And
First housing parts and second housing parts are engaged with each other.
7. leakage circuit breakers according to claim 6, wherein the first shell body portion and second housing parts are same
Engage as combined shell axis.
8. leakage circuit breakers according to any one of claim 1 to 7, further includes：At least two operation handles, are configured
To be controlled respectively at least two poles.
9. leakage circuit breakers according to claim 8, further includes：Leakage tests button, the leakage tests button are set
Between the input terminal and the operation handle, and two extremely centres are arranged on, the leakage tests button is used to examine
Survey the leakage circuit breakers when the leakage current exceedes the threshold value whether cutoff circuit.
10. leakage circuit breakers according to any one of claim 1 to 7, wherein the zero sequence transformer and the action
Executing agency is arranged side by side at first side of the electronic circuit board.
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| CN201720987786.XU CN207353171U (en) | 2017-08-09 | 2017-08-09 | Leakage circuit breakers |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108493061A (en) * | 2018-05-23 | 2018-09-04 | 广东珠电气科技有限公司 | One kind preventing reversed highly reliable leakage circuit breakers |
| WO2019029481A1 (en) * | 2017-08-09 | 2019-02-14 | 施耐德电气工业公司 | Electric leakage circuit breaker |
-
2017
- 2017-08-09 CN CN201720987786.XU patent/CN207353171U/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019029481A1 (en) * | 2017-08-09 | 2019-02-14 | 施耐德电气工业公司 | Electric leakage circuit breaker |
| CN109390187A (en) * | 2017-08-09 | 2019-02-26 | 施耐德电气工业公司 | Leakage circuit breakers |
| GB2579953A (en) * | 2017-08-09 | 2020-07-08 | Schneider Electric Ind Sas | Electric leakage circuit breaker |
| CN109390187B (en) * | 2017-08-09 | 2020-09-04 | 施耐德电气工业公司 | Earth leakage circuit breaker |
| GB2579953B (en) * | 2017-08-09 | 2023-05-10 | Schneider Electric Ind Sas | Leakage circuit breaker |
| CN108493061A (en) * | 2018-05-23 | 2018-09-04 | 广东珠电气科技有限公司 | One kind preventing reversed highly reliable leakage circuit breakers |
| CN108493061B (en) * | 2018-05-23 | 2024-05-10 | 广东一珠电气科技有限公司 | Anti-reverse high-reliability leakage circuit breaker |
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