CN210984658U - Electronic leakage tripper module and circuit breaker - Google Patents

Abstract

The utility model provides an electronic type electric leakage release module and circuit breaker, electronic type electric leakage release module includes a plurality of current transformer, a zero sequence transformer and runs through in corresponding current transformer's current-carrying conductor and zero sequence transformer's the row that leads to, current-carrying conductor comprises limit looks current-carrying conductor and well looks current-carrying conductor, and the row that leads to comprises limit looks current-carrying conductor and well looks current-carrying conductor, thereby current-carrying conductor and the row that leads to one-to-one connection constitute major loop, characteristics: the plurality of current transformers are sequentially arranged from left to right and are arranged close to the front and the back of the zero sequence transformer, when the end parts of the side phase conducting bar of the conducting bar and the side phase current-carrying conductor of the current-carrying conductor are connected, one of the U-shaped arms of the side phase conducting bar connected with the side phase current-carrying conductor is positioned above the current transformers, and one end of the side phase current-carrying conductor connected with the side phase conducting bar is positioned at the left side and the right side of the zero sequence transformer. Also disclosed is a circuit breaker equipped with the electronic leakage release module. Reasonable layout, compact structure and shortened circuit breaker size.

Description

Electronic leakage tripper module and circuit breaker

Technical Field

The utility model belongs to the technical field of low-voltage apparatus, concretely relates to electronic type electric leakage release module to still relate to the circuit breaker who uses this electric leakage release module.

Background

The leakage circuit breaker is used as an overload and short-circuit leakage protection electric appliance of a low-voltage distribution system and a motor protection loop, when the leakage circuit breaker works and a leakage fault occurs in a circuit, a circuit breaker leakage unit detects a signal and sends an action instruction to a leakage release, and the leakage release acts to enable the circuit breaker to trip, so that the purpose of quickly breaking the circuit to protect circuits and equipment is achieved.

The existing electronic leakage circuit breaker is generally divided into two forms, one is a common electronic molded case circuit breaker with an additional leakage mechanism module, for example, an electronic leakage protector recommended by the chinese patent application publication No. CN101728126A, and the circuit breaker with the structure has the disadvantages of large volume and high cost. The other is the whole built-in structure of electronic release and electric leakage mechanism module, for example "take residual current electric protection and liquid crystal display' a circuit breaker that" the china utility model patent was introduced to the grant No. CN201038100Y and the chinese utility model patent grant No. CN204270999U relates "a circuit breaker with electronic protection and electric leakage protection", the circuit breaker of this kind of structure has the parts machining and assembles the difficulty, and the insulating distance is near defect. In addition, the two electronic residual current circuit breakers are not ideal in the aspects of structural compactness, cost, assembly convenience and insulation treatment. Therefore, it is necessary to reasonably improve the structure of the conventional electronic earth leakage breaker.

Disclosure of Invention

The utility model discloses a first task is to provide an electronic type electric leakage release module, and its each spare part spatial layout is reasonable, and compact structure can effectively shorten the size of circuit breaker on length direction, follows the miniaturized development trend of switch.

Another task of the utility model is to provide a circuit breaker of using this electronic type electric leakage release module, its volume that can dwindle circuit breaker among the prior art and guarantee electronic type electric leakage release module the comprehensive embodiment of technological effect.

For accomplishing the task of priority, the utility model provides a technical scheme is: an electronic leakage release module comprises a plurality of current transformers, a zero sequence transformer, current-carrying conductors respectively penetrating through the corresponding current transformers and a current-carrying bar penetrating through the zero sequence transformer, the current-carrying conductor is composed of an edge phase current-carrying conductor and a middle phase current-carrying conductor, the conducting bar is composed of an edge phase conducting bar and a middle phase conducting bar, the current-carrying conductors and the conductive bars are connected in one-to-one correspondence to form a main loop, the plurality of current transformers are sequentially arranged from left to right and are arranged close to the front and the back of the zero sequence transformer, the side phase conductive bars are U-shaped, when the ends of the side phase conductor bar of the conductor bar and the side phase current carrying conductor of the current carrying conductor are connected, one of the arms of the U-shape whose side phase conducting bar is connected with the side phase current-carrying conductor is positioned above the current transformer, and one end of the side phase current-carrying conductor connected with the side phase current-carrying bar is positioned at the left side and the right side of the zero sequence transformer.

In a specific embodiment of the present invention, the zero sequence transformer is oval, and an oval through hole is formed in the center of the zero sequence transformer, and the conductive bar passes through the oval through hole.

In another specific embodiment of the present invention, the side phase conductive row of the conductive row is an a phase conductive row and an N phase conductive row, the middle phase conductive row of the conductive row is a B phase conductive row and a C phase conductive row, the a phase conductive row and the N phase conductive row are arranged in a symmetrical state, and pass through the oval through hole on the upper side; and the other side of the B-phase conductive bar and the C-phase conductive bar which is lower in the oval through hole passes through.

In another specific embodiment of the present invention, the conductive bar of phase B and the conductive bar of phase C are both arranged in a straight line.

In another specific embodiment of the present invention, the side phase current-carrying conductor of the current-carrying conductor includes a phase current-carrying conductor and an N phase current-carrying conductor, the middle phase current-carrying conductor of the current-carrying conductor includes a phase B current-carrying conductor and a phase C current-carrying conductor, and the phase a current-carrying conductor, the phase B current-carrying conductor, the phase C current-carrying conductor and the phase N current-carrying conductor all run through the current transformer independently.

In yet another specific embodiment of the present invention, the a-phase current-carrying conductor and the N-phase current-carrying conductor are both L-shaped, and are respectively bent toward the a-phase current-carrying bar and the N-phase current-carrying bar after passing through the corresponding current transformers, and are respectively connected to the a-phase current-carrying bar and the N-phase current-carrying bar, and the B-phase current-carrying conductor and the C-phase current-carrying conductor are arranged in a straight line and are respectively directly connected to the B-phase current-carrying bar and the C-phase current-carrying bar after passing through the corresponding current transformers.

In yet another specific embodiment of the present invention, the upward bent end of the a-phase current-carrying conductor connected to the a-phase conducting bar is located on the left side of the zero sequence transformer; and the upward bending end of the N-phase current-carrying conductor, which is connected with the N-phase current-carrying bar, is positioned on the right side of the zero sequence transformer.

In a more specific embodiment of the present invention, the B-phase current-carrying conductor and the B-phase current-carrying bar are integrally made and sequentially pass through the current transformer and the zero-sequence transformer, and the C-phase current-carrying conductor and the C-phase current-carrying bar are integrally made and sequentially pass through the current transformer and the zero-sequence transformer.

In yet another specific embodiment of the present invention, the electronic leakage tripping device module further comprises a magnetic tripping device, the magnetic tripping device comprises a support, an armature, a reaction spring and a pivot, the support is fixedly connected to the current-carrying conductor, the armature is pivoted to the support through the pivot, and the reaction spring is sleeved on the pivot for resetting the armature.

In order to accomplish another task, the utility model provides a technical scheme is: the utility model provides an electronic type electric leakage circuit breaker, this circuit breaker includes the base and sets up the major loop unit in the base, the major loop unit set gradually inlet wire terminal, the contact arc extinguishing module of being connected with the inlet wire terminal, a plurality of above along the length direction of base electronic type electric leakage release module, the leading-out terminal of being connected with electronic type electric leakage release module, electronic type electric leakage release module be connected with contact arc extinguishing module.

The utility model discloses owing to adopt behind the above-mentioned structure, beneficial effect who has: when the end parts of the side phase conducting bar of the conducting bar and the side phase current-carrying conductor of the current-carrying conductor are connected, one arm of a U shape, which is connected with the side phase current-carrying conductor, of the side phase conducting bar is positioned above the current transformer, and one end of the side phase current-carrying conductor connected with the side phase conducting bar is positioned on the left side and the right side of the zero sequence transformer, so that the connection mode enables the space layout to be more reasonable, saves the space in the length direction of the circuit breaker, ensures the compactness of the whole structure, and especially has great significance for reducing the volume of the small-shell-frame leakage built-in molded case circuit breaker; the elliptical through hole space of the second zero sequence transformer is large, and the distance between the conductive bars in the elliptical through holes is large, so that the insulation distance can be ensured without binding an insulation tape; and the elliptical through hole space of the third zero sequence transformer is large, so that the assembly of the conducting bar is facilitated, and the assembly efficiency is improved.

Drawings

Fig. 1 is the assembly schematic diagram of the electronic type electric leakage molded case circuit breaker.

Fig. 2 is the structure schematic diagram of the electronic type electric leakage molded case circuit breaker.

Fig. 3 is a schematic diagram of the blasting of the electronic leakage release module of the present invention.

Fig. 4 is a side view of the electronic leakage release module of the present invention.

Fig. 5 is another side view of the electronic leakage release module of the present invention.

Fig. 6 is a side view of the assembly of the overcurrent detecting component and the leakage detecting component of the electronic leakage release module according to the present invention.

Fig. 7 is a front view of the assembly of the overcurrent detecting component and the leakage detecting component of the electronic leakage release module of the present invention.

Fig. 8 is a sectional view taken along line a-a of fig. 7.

Fig. 9 is a left side view of the assembly of the overcurrent detecting component and the leakage detecting component of the electronic leakage release module according to the present invention.

Fig. 10 is an assembly diagram of the zero sequence transformer and the connecting bar assembly of the electronic leakage release module according to the present invention.

In the figure: 1.a base; 2, an incoming line terminal; 3. a contact arc extinguishing module; 4. the electronic leakage tripping device comprises an electronic leakage tripping device module, 41, a base, 42, an overcurrent detection assembly, 421, a current transformer, 422, a current-carrying conductor, 4221, an A-phase current-carrying conductor, 4222, a B-phase current-carrying conductor, 4223, a C-phase current-carrying conductor, 4224, an N-phase current-carrying conductor, 423, a magnetic tripping device, 4231, a support, 4232, an armature, 4233, yoke iron, 4234, a pivot, 4235, a counter force spring, 43, a leakage detection assembly, 431, a zero-sequence transformer, 4311, an oval through hole, 432, an electronic circuit board assembly, 433, a conductive bar, 4331, an A-phase conductive bar, 43311, a first conductive bar, 43312, a second conductive bar, 4332, a B-phase conductive bar, 4333, a C-phase conductive bar, 4334, an N-phase conductive bar, 43341, a third conductive bar, 43342, a fourth conductive bar, 44, a first accommodating space and 45, a second accommodating space; 5. and an outlet terminal.

Detailed Description

The following detailed description is given by way of example with reference to the accompanying drawings, but the description of the embodiments is not intended to limit the technical solutions of the present invention, and any equivalent changes made according to the inventive concept, which are merely formal and insubstantial, should be considered as the technical solutions of the present invention.

In the following description, all the concepts related to the directions or orientations of up, down, left, right, front and rear are based on the positions shown in the drawings, and thus, should not be construed as particularly limiting the technical solutions provided by the present invention.

As shown in fig. 1 to 10, the utility model relates to an electronic type residual current circuit breaker, wherein as shown in fig. 1, this embodiment is from left to right be the electronic type residual current molded case circuit breaker of A looks, B looks, C looks, N looks in proper order, electronic type residual current molded case circuit breaker include base 1 and set up the major loop unit in base 1. As shown in fig. 2, the main circuit unit is sequentially provided with an incoming line terminal 2, a contact arc extinguishing module 3 connected with the incoming line terminal 2, an electronic leakage tripping device module 4 connected with the contact arc extinguishing module 3, and an outgoing line terminal 5 connected with the electronic leakage tripping device module 4 from front to back along the length direction of the base 1. Defining: the direction from the incoming terminal 2 to the outgoing terminal 5 of the electronic leakage molded case circuit breaker is the front-back direction, and the direction from the A phase to the N phase of the electronic leakage molded case circuit breaker is the left-right direction. As shown in fig. 3, the electronic leakage trip unit 4 disposed inside the circuit breaker includes a base 41, an overcurrent detection assembly 42 and a leakage detection assembly 43 both disposed on the base 41, where the overcurrent detection assembly 42 includes a plurality of current transformers 421 and current-carrying conductors 422 respectively penetrating through the current transformers 421; the leakage detecting assembly 43 includes a zero sequence transformer 431, an electronic circuit board assembly 432, and a conducting bar 433 penetrating through the zero sequence transformer 431. The plurality of current transformers 421 are sequentially arranged in the phase a, the phase B, the phase C and the phase N of the base 1 from left to right, and are arranged in close proximity to the zero sequence transformer 431. The conducting bar 433 penetrates through the zero sequence transformer 431, one end of the conducting bar 433 is connected with the current-carrying conductors 422 of the overcurrent detection assembly 42 one by one, and the other end of the conducting bar is connected with the outlet terminal 5, namely, the zero sequence transformer 431 is arranged between the current transformer 421 and the outlet terminal 5, and the current-carrying conductors 422 and the conducting bar 433 are correspondingly connected one by one to form a main loop.

As shown in fig. 5 to 8, the conductive bar 433 is composed of two side conductive bars and a middle conductive bar, in this embodiment, the side conductive bars of the conductive bar 433 are an a-phase conductive bar 4331 and an N-phase conductive bar 4334, and the middle conductive bar of the conductive bar 433 is a B-phase conductive bar 4332 and a C-phase conductive bar 4333. The zero sequence transformer 431 is oval, and an oval through hole 4311 is formed in the center. The a-phase conducting bar 4331, the B-phase conducting bar 4332, the C-phase conducting bar 4333 and the N-phase conducting bar 4334 all penetrate through the oval through hole 4311, two ends of the a-phase conducting bar, the C-phase conducting bar and the N-phase conducting bar 4334 are located on the front side and the rear side of the zero sequence transformer 431, one end of the a-phase conducting bar is connected with the outgoing line terminal 5, and the other end of the. The a-phase conductor bar 4331 and the N-phase conductor bar 4334 have the same shape and structure, are symmetrically disposed, and penetrate through the oval through hole 4311, for example, above the oval through hole 4311 in fig. 8. In this embodiment, the a-phase conducting bar 4331 and the N-phase conducting bar 4334 are both U-shaped. When the side phase conducting bars (a phase conducting bar 4331, N phase conducting bar 4334) of the conducting bar 433 are connected to the ends of the side phase current-carrying conductors of the current-carrying conductor 422, one of the arms of the U-shape whose side phase conducting bars (a phase conducting bar 4331, N phase conducting bar 4334) are connected to the side phase current-carrying conductors is located above the current transformer 421, and one end of the side phase current-carrying conductor connected to the side phase conducting bars (a phase conducting bar 4331, N phase conducting bar 4334) is located on the left and right sides of the zero sequence transformer 431. The B-phase conductor bar 4332 and the C-phase conductor bar 4333 have the same shape and structure, and pass through the other side of the oval through hole 4311, and are disposed below the oval through hole 4311, for example, as shown in fig. 8. In this embodiment, the B-phase conducting bar 4332 and the C-phase conducting bar 4333 are arranged in a straight line.

Specifically, one arm of the U-shaped structure of the a-phase conductive bar 4331 after passing through the oval through hole 4311 forms a first receiving space 44 at the left upper side of the current transformer 421, and one arm of the U-shaped structure of the N-phase conductive bar 4334 after passing through the oval through hole 4311 forms a second receiving space 45 at the right upper side of the current transformer 421. Specifically, as shown in fig. 6 and 7, taking the a-phase conductive bar 4331 as an example, two arms of the a-phase conductive bar 4331 are a first conductive bar 43311 and a second conductive bar 43312, respectively, the first conductive bar 43311 is located on one side of the upper left half of the zero-sequence transformer 431, that is, the first conductive bar 43311 is located on the upper left of the current transformer 421, and the second conductive bar 43312 corresponds to the other side of the upper left half of the zero-sequence transformer 431, that is, the second conductive bar 43312 is located on the upper left of the outgoing terminal 5, more specifically, the first conductive bar 43311 and the second conductive bar 43312 are arranged in parallel on the front and rear sides of the upper left corner of the zero-sequence transformer 431 after passing through the oval through hole 4311, and a first accommodating space 44 is formed outside the upper left corner, as shown in a dashed box in fig. 7. Similarly, the two arms of the N-phase conductor bar 4334 are respectively a third conductor bar 43341 and a fourth conductor bar 43342, the third conductor bar 43341 is located on one side of the upper right half of the zero sequence transformer 431, that is, the third conductor bar 43341 is located on the upper right side of the current transformer 421, the fourth conductor bar 43342 corresponds to the other side of the upper right half of the zero sequence transformer 431, that is, the fourth conductor bar 43342 is located on the upper right side of the outlet terminal 5, and the N-phase conductor bar 4334 forms a second accommodating space 45 outside the upper right corner of the zero sequence transformer 431, as shown by the dashed box in fig. 7. More specifically, the first accommodation space 44 and the second accommodation space 45 are the spaces formed by disposing the electronic circuit board assembly 432 above and electrically connecting the current transformer 421 and the zero sequence transformer 431 to the current-carrying conductor 422 and the conductive bar 433.

As shown in fig. 3, 6 and 10, the current-carrying conductor 422 is composed of an edge-phase current-carrying conductor located at the edge and a middle-phase current-carrying conductor located at the middle, in the present embodiment, the edge-phase current-carrying conductor of the current-carrying conductor 422 includes an a-phase current-carrying conductor 4221 and an N-phase current-carrying conductor 4224, the middle-phase current-carrying conductor of the current-carrying conductor 422 includes a B-phase current-carrying conductor 4222 and a C-phase current-carrying conductor 4223, the a-phase current-carrying conductor 4221, the B-phase current-carrying conductor 4222, the C-phase current-carrying conductor 4223 and the N-phase current-carrying conductor 4224 are individually inserted through the corresponding current transformer 421, the a-phase current-carrying conductor 4221 and the N-phase current-carrying conductor 4224 are each formed in a shape of L, after passing through the corresponding current transformer 421, are each bent toward the zero-sequence conductor 4331 and N-phase current-carrying conductor 4331 and are each connected with the a-phase current-carrying conductor 4331 and N-phase current-carrying conductor 43421, and the left-phase current-carrying conductor 43421, and the right sequence conductor 43421 are also inserted through the left sequence conductor 43421, and the left sequence 434343421, and the current-sequence 434343434343434343434343421, and the current-sequence 434343434343434343421 are preferably, and the current-sequence connected with the left sequence 43421, the current-phase current-carrying conductor 4235 and the current-phase current-sequence 43421, and the left-sequence 43421, the right sequence 434343421 are connected with the left-sequence conductor 4221, the current-sequence 43421 of the current-sequence 43421, the zero sequence 43434343421, the current-sequence 43421, the zero sequence 43421 of the zero sequence 434, the zero sequence 43434343421, the current-sequence 4343421, the zero sequence 43421 of the current-sequence 43421, the current-sequence 43434343434343434343434343421 of the current-sequence 434343434343434343434343434343421, the zero sequence 43421 are connected with the zero sequence 43421, the zero sequence 43421 of the zero sequence 434343421, the zero sequence 43421, the zero sequence 434, the zero sequence 43421 and the zero sequence 434, the zero sequence 43421, the zero sequence 4335, the zero sequence 43421, the zero sequence 430, the zero sequence 43421, the zero sequence 43is located at the zero sequence 434, the zero sequence 430, the zero sequence 43.

As shown in fig. 4, the overcurrent detecting assembly 42 further includes at least two magnetic trips 423, in this embodiment, the two magnetic trips 423 are respectively installed in the phase a and the phase C, and specifically include a support 4231, an armature 4232, a yoke 4233, a pivot 4234, and a reaction spring 4235, the support 4231 is fixedly connected with the current-carrying conductor 422, the armature 4232 is pivotally connected to the support 4231 through the pivot 4234, and the reaction spring 4235 is sleeved on the pivot 4234 and is used for resetting the armature 4232.

Technical scheme's advantage lies in, figure 7 to figure 9 are shown, current transformer 421 and zero sequence transformer 431 compact arrangement around, and the thickness dimension of leading electrical drainage does not occupy the length direction size of electronic formula leakage release module when leading electrical drainage and current-carrying conductor are connected, realizes circuit breaker length direction's structure minimizing. The elliptical through hole 4311 of the elliptical zero sequence transformer 431 has a large space, the B-phase current-carrying conductor 4222 and the C-phase current-carrying conductor 4223 can be directly inserted into the elliptical through hole 4311 of the zero sequence transformer 431, so that the assembly is convenient, the distances between the a-phase conductive bar 4331 and the N-phase conductive bar 4334 and the B-phase conductive bar 4332 and the C-phase conductive bar 4333 are far, the insulation distance can be ensured without wrapping an insulation tape, and only the middle close parts of the a-phase conductive bar 4331 and the N-phase conductive bar 4334 need to be wrapped by the insulation tape.

Claims (10)

1. The utility model provides an electronic type electric leakage release module, includes a plurality of current transformer (421), a zero sequence transformer (431) and runs through in current-carrying conductor (422) of corresponding current transformer (421) and run through in electrically conductive row (433) of zero sequence transformer (431) respectively, current-carrying conductor (422) constitute by limit looks current-carrying conductor and well looks current-carrying conductor, electrically conductive row (433) constitute by limit looks electrically conductive row and well looks electrically conductive row, thereby current-carrying conductor (422) and electrically conductive row (433) one-to-one connect and constituted main circuit, its characterized in that: the current transformers (421) are sequentially arranged from left to right and are arranged in a front-back abutting mode with the zero sequence transformer (431), the side phase conducting bar is U-shaped, when the end portions of the side phase conducting bar of the conducting bar (433) and the side phase current-carrying conductor of the current-carrying conductor (422) are connected, one arm of the U-shaped connecting arm of the side phase conducting bar and the side phase current-carrying conductor is located above the current transformers (421), and one end of the side phase current-carrying conductor connected with the side phase conducting bar is located on the left side and the right side of the zero sequence transformer (431).

2. An electronic residual current device release module according to claim 1, characterized in that the zero sequence transformer (431) is oval-shaped with an oval through hole (4311) in the center, and the conducting bar (433) passes through the oval through hole (4311).

3. The electronic leakage release module according to claim 2, wherein the side phase conductive bars of the conductive bars (433) are a phase a conductive bar (4331) and a phase N conductive bar (4334), the middle phase conductive bar of the conductive bars (433) is a phase B conductive bar (4332) and a phase C conductive bar (4333), the phase a conductive bar (4331) and the phase N conductive bar (4334) are arranged symmetrically to each other and penetrate through an upper one of the oval through holes (4311); the other side of the B-phase conductive bar (4332) and the C-phase conductive bar (4333) which is inclined downwards in the oval through hole (4311) passes through.

4. An electronic leakage release module according to claim 3, characterized in that the conductive bars of phase B (4332) and phase C (4333) are arranged in a straight row.

5. An electronic leakage release module according to claim 1, characterized in that the side phase current-carrying conductors of the current-carrying conductors (422) comprise a phase current-carrying conductor (4221) and an N phase current-carrying conductor (4224), the middle phase current-carrying conductors of the current-carrying conductors (422) comprise a phase B current-carrying conductor (4222) and a phase C current-carrying conductor (4223), and the phase a current-carrying conductor (4221), the phase B current-carrying conductor (4222), the phase C current-carrying conductor (4223) and the N phase current-carrying conductor (4224) are all independently penetrated through the current transformer (421).

6. The electronic leakage release module according to claim 5, wherein said A-phase current carrying conductor (4221) and said N-phase current carrying conductor (4224) are both in the shape of L, and after passing through the corresponding current transformer (421), they are bent towards the A-phase conducting bar (4331) and the N-phase conducting bar (4334) respectively and connected to the A-phase conducting bar (4331) and the N-phase conducting bar (4334), and said B-phase current carrying conductor (4222) and C-phase current carrying conductor (4223) are arranged in a straight line and after passing through the corresponding current transformer (421), they are directly connected to the B-phase conducting bar (4332) and the C-phase conducting bar (4333), respectively.

7. The electronic leakage release module according to claim 6, wherein the upward bent end of the a-phase current-carrying conductor (4221) connected to the a-phase conductive bar (4331) is located at the left side of the zero sequence transformer (431); and the upward bending end of the N-phase current-carrying conductor, which is connected with the N-phase conducting bar (4334), is positioned on the right side of the zero sequence transformer (431).

8. The electronic leakage release module according to claim 6, wherein the B-phase current-carrying conductor (4222) and the B-phase conducting bar (4332) are integrally formed and sequentially pass through the current transformer (421) and the zero-sequence transformer (431), and the C-phase current-carrying conductor (4223) and the C-phase conducting bar (4333) are integrally formed and sequentially pass through the current transformer (421) and the zero-sequence transformer (431).

9. The electronic leakage release module according to claim 1, characterized in that the electronic leakage release module further comprises a magnetic release (423), the magnetic release (423) comprises a support (4231), an armature (4232), a reaction spring (4235) and a pivot (4234), the support (4231) is fixedly connected with the current-carrying conductor (422), the armature (4232) is pivotally connected to the support (4231) through the pivot (4234) in a rotating manner, and the reaction spring (4235) is sleeved on the pivot (4234) and used for resetting the armature (4232).

10. The utility model provides an electronic type residual current circuit breaker, includes base (1) and the main circuit unit of setting in base (1), its characterized in that: the main loop unit is sequentially provided with an incoming line terminal (2), a contact arc extinguishing module (3) connected with the incoming line terminal (2), a plurality of electronic leakage release modules (4) according to any one of claims 1 to 9 and an outgoing line terminal (5) connected with the electronic leakage release modules (4) along the length direction of the base (1), wherein the electronic leakage release modules (4) are connected with the contact arc extinguishing module (3).

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