CN210272221U

CN210272221U - 4P electric leakage circuit breaker with electric leakage indication mechanism

Info

Publication number: CN210272221U
Application number: CN201921601500.5U
Authority: CN
Inventors: 周维峰; 林凯; 胡广召
Original assignee: WENZHOU AOELEC ELECTRICAL CO Ltd
Current assignee: WENZHOU AOELEC ELECTRICAL CO Ltd
Priority date: 2019-09-25
Filing date: 2019-09-25
Publication date: 2020-04-07
Anticipated expiration: 2029-09-25

Abstract

The utility model relates to a 4P electric leakage circuit breaker especially indicates the 4P electric leakage circuit breaker who has the electric leakage instruction. The utility model adopts the following technical scheme: the utility model provides a take electric leakage indication mechanism's 4P electric leakage circuit breaker which characterized in that: be provided with the electric leakage dropout instruction unit between arbitrary two sets of adjacent circuit breaker units, the electric leakage dropout instruction unit is including electric leakage ejector pin, electric leakage hasp, indicator and reset spring or torsional spring, a group circuit breaker unit and B group circuit breaker unit be provided with first installation cavity on the tip with one side, be provided with the second installation cavity between the both sides face that A group circuit breaker unit and B group circuit breaker unit adjacent pasted, the articulated first round pin of setting in the second installation cavity of indicator is epaxial, is provided with display surface and locking boss on the indicator, through adopting above-mentioned scheme, the utility model overcomes the not enough of prior art existence provides a simple structure, moves reliably, has the neotype 4P electric leakage circuit breaker of electric leakage instruction function.

Description

4P electric leakage circuit breaker with electric leakage indication mechanism

Technical Field

The utility model relates to a 4P electric leakage circuit breaker especially indicates the 4P electric leakage circuit breaker who has the electric leakage instruction.

Background

The existing 4P electric leakage circuit breaker has the functions of electric leakage tripping, overload tripping and short circuit tripping, and the tripping functions are all provided, but have no electric leakage indicating function, the function of the electric leakage indicating function is that when the circuit breaker trips due to electric leakage, the indicating mechanism has the indicating function, so that consumers can clearly know that the circuit breaker trips due to electric leakage, and if the circuit breaker trips without the function, the consumers cannot know what reason is caused by tripping, and great trouble is brought to circuit maintenance.

Disclosure of Invention

The utility model overcomes prior art exists not enough, provides a simple structure, and the action is reliable, have the neotype 4P electric leakage circuit breaker of electric leakage instruction function.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a take electric leakage indication mechanism's 4P electric leakage circuit breaker, includes first group circuit breaker unit, second group circuit breaker unit, third group circuit breaker unit and fourth group circuit breaker unit, the mutual linkage setting of handle of above-mentioned four group circuit breaker units, also the mutual linkage setting between the hasp of above-mentioned four group circuit breaker units, its characterized in that: an electric leakage tripping indicating unit is arranged between any two groups of adjacent circuit breaker units, the two groups of circuit breaker units are called as a group A circuit breaker unit and a group B circuit breaker unit, the electric leakage tripping indicating unit comprises an electric leakage ejector rod, an electric leakage lock catch, an indicating piece and a reset spring or a torsion spring, a first installation cavity is arranged at the end part of the same side of the group A circuit breaker unit and the group B circuit breaker unit, an electric leakage tripping device is arranged in the first installation cavity, a second installation cavity is arranged between the two adjacent side surfaces of the group A circuit breaker unit and the group B circuit breaker unit, the indicating piece is hinged on a first pin shaft in the second installation cavity, a display surface and a locking boss are arranged on the indicating piece, a window for displaying the display surface is arranged on the shell of the group A circuit breaker unit or the group B circuit breaker unit, the spring or the torsion spring acts on the indicating piece, the electric leakage lock catch is hinged on a second pin shaft in the, the upper end of the leakage lock catch is in interference fit with the locking boss of the indicator under the condition that the circuit breaker is manually opened or is not tripped, the first end of the leakage ejector rod is fixed or integrally arranged with a movable iron core of the leakage tripper, the second end of the leakage ejector rod is matched with the lower end of the leakage lock catch, the lower end of the leakage lock catch or the second end of the leakage ejector rod is fixedly or integrally provided with a deflector rod, the deflector rod is matched with a lock catch abutting contact pin of a first handle operating mechanism of the group A circuit breaker unit, the leakage tripper moves to enable the leakage ejector rod to push the leakage lock catch to swing, meanwhile, the deflector rod also pushes the lock catch of the group A circuit breaker unit to abut contact pin to rotate to realize disconnection of the leakage circuit breaker, at the moment, the indicator rotates under the action of a spring or a torsional spring to form leakage indication, a movable contact mounting seat of the handle operating mechanism of the group B circuit breaker unit is, after the circuit breaker is switched on, the reset deflector rod is in interference fit with the indicator, and at the moment, the upper end of the electric leakage lock catch is in interference fit with the locking boss of the indicator or the upper end of the electric leakage lock catch and the locking boss of the indicator exceed the interference position.

By adopting the scheme, when the electric leakage tripper of the product acts, the lower end of the electric leakage lock catch can be pushed to rotate through the electric leakage ejector rod, at the moment, the electric leakage breaker is tripped, and the indicating piece rotates under the action of the spring or the torsional spring to realize electric leakage indication; in addition, when the circuit breaker is switched on, the reset deflector rod drives the indicator to rotate, so that the indicator is reset, the structure acts stably, and the electric leakage indicating function can be well realized; it should also be explained that the indicator can be pushed to rotate by the reset deflector rod when the circuit breaker is switched on to realize the indication of resetting the indicator, after the circuit breaker is switched on, the reset deflector rod is in interference fit with the indicator, at the moment, the upper end of the electric leakage lock catch is in interference fit with the locking boss of the indicator or the upper end of the electric leakage lock catch exceeds the interference position with the locking boss of the indicator, so the aim of setting is to ensure that the indicator can be reset in place after the circuit breaker is switched on, and the indicator resets when the electric leakage circuit breaker is tripped or switched off by human factors under the non.

The utility model discloses a further setting is: select the torsional spring between spring and the torsional spring, this torsional spring cover is established at first round pin epaxially, and the one end of torsional spring is contradicted on the indicator, and the other end is contradicted on the electric leakage hasp, be provided with the spacing boss of restriction indicator turned angle in the second installation cavity, still be provided with the breach in the second installation cavity, breach department is arranged in to electric leakage hasp lower extreme, and the inner wall and the cooperation of electric leakage hasp lower extreme of breach restrict electric leakage hasp rotation stroke.

Through adopting above-mentioned scheme, adopt the torsional spring to the torsion of indicator and electric leakage hasp, as long as electric leakage hasp breaks away from with the locking boss like this, then the indicator just rotates under the drive of torsional spring at once and realizes the electric leakage and instruct, and spacing boss can restrict the turned angle of indicator in addition, guarantees that the indicator rotates at reasonable within range, and the setting of breach can restrict electric leakage hasp pivoted stroke, makes it rotate at reasonable interval.

The utility model discloses a further setting is: be provided with the spout between the adjacent both sides face of pasting of A group's circuit breaker unit and B group's circuit breaker unit, in the spout was arranged in to the electric leakage ejector pin, the second end of electric leakage ejector pin becomes the bending setting, and its kink constitutes the driving lever, and this driving lever cooperates with the hasp of A group's circuit breaker unit and supports the foot, can promote the hasp of A group's circuit breaker unit and support the foot and rotate and realize the circuit breaker disconnection, be provided with the conflict limit on the indicator, be provided with the driving lever that resets on the moving contact mount pad of B group's circuit breaker unit, this driving lever that resets can promote the indicator to rotate and realize locking boss and electric leakage hasp upper end on the indicator and contradict and realize the indicator.

Through adopting above-mentioned scheme, make the position that electric leakage dropout indicating unit set up very reasonable, the stability of action is guaranteed to the direction of sliding of assurance electric leakage ejector pin that the setting of spout can be fine in addition. The driving lever adopts above-mentioned scheme setting can conveniently promote to rotate with the hasp of A group circuit breaker unit and realize the circuit breaker disconnection, and the setting of conflict limit on the indicator can realize that the indicator resets, specifically resets the driving lever and promotes the conflict limit and realize that the indicator rotates, and certainly we can also set up other parts such as lug, protruding muscle, connecting rod and realize resetting with the driving lever cooperation that resets.

The utility model discloses a further setting is: the first group of circuit breaker units, the second group of circuit breaker units, the third group of circuit breaker units and the fourth group of circuit breaker units are sequentially arranged in parallel, wherein the A group of circuit breaker units are the first group of circuit breaker units, the B group of circuit breaker units are the second group of circuit breaker units, four wiring terminals are respectively arranged on two side ends of the 4P electric leakage circuit breaker, namely a first end and a second end, the four wiring terminals on the first end are respectively positioned at one end of the first group of circuit breaker units, the second group of circuit breaker units, the third group of circuit breaker units and the fourth group of circuit breaker units which respectively correspond to the first group of circuit breaker units, the third group of circuit breaker units and the fourth group of circuit breaker units, the four wiring terminals on the second end are arranged at one end of the second group of circuit breaker units, the third group of circuit breaker units and, and a current transformer is arranged in the third mounting cavity.

By adopting the scheme, the product has a simple and reasonable structure, and is particularly convenient for installing the leakage release and the current transformer.

The utility model discloses a last setting is: the other three groups of circuit breaker units except the group B circuit breaker units are provided with a test loop and a leakage circuit board electricity taking device, the test loop and the leakage circuit board electricity taking device comprises a button, a first conductive ring, a second conductive ring, a first electricity taking torsion spring and a second electricity taking torsion spring, the first conductive ring and the second conductive ring are respectively arranged on a first mounting column and a second mounting column of a shell of the circuit breaker unit, the first electricity taking torsion spring is sleeved on a third mounting column of the shell of the circuit breaker unit, a first extension arm of the first electricity taking torsion spring is abutted against the second conductive ring to realize electric connection, a second extension arm of the first electricity taking torsion spring is arranged below the button and is correspondingly arranged with the first conductive ring, the button is pressed down to realize the abutting of the second extension arm of the first electricity taking torsion spring against the first conductive ring to realize electric connection, the second electricity taking torsion spring is arranged on a fourth mounting column of the shell of the circuit breaker unit, the first extension arm of the second electricity-taking torsional spring is electrically connected with the moving contact of the circuit breaker, the moving contact mounting seat of the handle operating mechanism of the circuit breaker unit is provided with a deflector rod which is correspondingly arranged with the second extension arm of the second electricity-taking torsional spring, when the circuit breaker is switched on, the second extension arm of the second electricity-taking torsional spring is contacted with the second conductive ring to realize the electrical connection, when the circuit breaker is switched off, the deflector rod drives the second extension arm of the second electricity-taking torsional spring to rotate to form the second extension arm to be separated from the second conductive ring, the other two groups of circuit breaker units are respectively provided with an electricity-leakage circuit board electricity-taking device, the electricity-leakage circuit board electricity-taking device comprises an electricity-leakage electricity-taking torsional spring and an electricity-leakage electricity-taking ring, the electricity-leakage electricity-taking torsional spring and the electricity-leakage electricity-, the second end is abutted against the electric leakage electricity taking ring, a disconnecting deflector rod is arranged on a moving contact mounting seat corresponding to a handle operating mechanism of the circuit breaker unit, and the disconnecting deflector rod is abutted against the second end of the electric leakage electricity taking torsion spring to form the second end of the electric leakage electricity taking torsion spring to be isolated from the electric leakage electricity taking ring when the circuit breaker is opened or tripped.

By adopting the scheme, the leakage circuit is provided with the three breaker units which can be disconnected and the power taking mechanisms are switched off or tripped, so that the leakage circuit is at most electrified, a loop cannot be formed, and the performance of the product is ensured.

The present invention will be further described with reference to the following specific embodiments.

Drawings

Fig. 1 is a perspective view of an embodiment of the present invention;

fig. 2 is a structural diagram of the embodiment of the present invention reflecting the leakage release;

FIG. 3 is a structural diagram of the deflector rod according to the embodiment of the present invention;

fig. 4 is a structural diagram reflecting the conflict between the leakage tripping and the indicating member in the embodiment of the present invention;

fig. 5 is a structural diagram reflecting the case of the group B breaker unit according to the embodiment of the present invention;

fig. 6 is a structural diagram reflecting the case of the group a circuit breaker unit according to the embodiment of the present invention;

fig. 7 is a perspective view of an indicator according to an embodiment of the present invention;

fig. 8 is a structural diagram reflecting the separation of the leakage trip and the indicator in the embodiment of the present invention;

fig. 9 is a structural diagram of the leakage trip according to the embodiment of the present invention;

fig. 10 is a structural diagram reflecting the reset deflector rod of the group B breaker unit according to the embodiment of the present invention;

fig. 11 is a structure view of a moving contact mounting seat of a handle operating mechanism of a group B breaker unit according to an embodiment of the present invention;

fig. 12 is a structural view reflecting a third installation cavity in an embodiment of the present invention;

fig. 13 is a structural diagram of a reflection test loop and a power-taking device of a leakage circuit board in an embodiment of the present invention;

FIG. 14 is a block diagram of an embodiment of the present invention reflecting a first mounting post and a second mounting post;

FIG. 15 is a diagram illustrating a structure of a deflector rod according to an embodiment of the present invention;

fig. 16 is a structural diagram of an electric power taking device of an electric leakage circuit board according to an embodiment of the present invention;

fig. 17 is a diagram showing the matching of the electric leakage electricity taking torsion spring and the electric leakage electricity taking ring according to the embodiment of the present invention;

fig. 18 is a structural diagram of the disconnection lever according to the embodiment of the present invention.

Detailed Description

As shown in fig. 1-18, a 4P electrical leakage breaker with an electrical leakage indicating mechanism comprises a first group of breaker units, a second group of breaker units, a third group of breaker units and a fourth group of breaker units, wherein handles of the four groups of breaker units are mutually linked, and latches of the four groups of breaker units are also mutually linked, the technical characteristics are also the same as those of the existing 4P electrical leakage breaker, which are not described in detail in this embodiment, an electrical leakage tripping indicating unit 1 is arranged between any two adjacent groups of breaker units, the two groups of breaker units are called a group of breaker units and a group B breaker units, the electrical leakage tripping indicating unit 1 comprises an electrical leakage ejector 11, an electrical leakage latch 12, an indicating piece 13 and a return spring or torsion spring 14, a torsion spring 14 is usually adopted, and a first mounting cavity 2 is arranged on the end of the same side of the group a breaker unit and the group B breaker unit, be provided with electric leakage release 15 in first installation cavity 2, be provided with second installation cavity 3 between the both sides face that A group's circuit breaker unit and B group's circuit breaker unit adjacent subsides, indicator 13 articulates and sets up on first round pin axle 31 in second installation cavity 3, is provided with display surface 131 and locking boss 132 on the indicator 13, be provided with on the casing of A group's circuit breaker unit or B group's circuit breaker unit and supply the window 4 that the display surface shows, torsional spring 14 is used in indicator 13, electric leakage hasp 12 articulates and sets up on second round pin axle 32 of second installation cavity 3, and electric leakage hasp 12 upper end 121 locks or breaks away from the cooperation with the locking boss 132 of indicator 13, electric leakage ejector pin 11 first end is fixed or integrative with electric leakage release 15's movable iron core, and electric leakage ejector pin 11 second end cooperates with the lower extreme 122 of electric leakage hasp 12, and electric leakage release 15 moves then electric leakage ejector pin 11 promotes electric leakage 12 and swings and realizes that indicator 13 rotates under the effect of torsional spring 14 and constitute electric leakage release Electric indication, the lower extreme 122 of electric leakage hasp 12 or electric leakage ejector pin 11 second end are served fixedly or an organic whole is provided with driving lever 111 the utility model provides a set up on electric leakage ejector pin 11's second end, this driving lever 111 supports with the hasp of the first handle operating device of A group circuit breaker unit and touches foot A1 cooperation, electric leakage release 15 motion makes electric leakage ejector pin 11 promote the swing of electric leakage hasp 12, and driving lever 111 also promotes the hasp of A group circuit breaker unit and supports and touch foot A1 and rotate and realize the disconnection of electric leakage circuit breaker simultaneously, fixed being provided with on B group circuit breaker unit handle operating device's the moving contact mount pad B1 and restoring to the throne driving lever B11, this restoring to the throne driving lever B11 can promote indicator 13 and rotate and realize indicator 13 and reset the instruction. By adopting the scheme, when the leakage tripping device of the product acts, the lower end 122 of the leakage lock catch 12 can be pushed to rotate through the leakage ejector rod 11, at the moment, the leakage circuit breaker is tripped, and the indicating piece 13 rotates under the action of the torsion spring 14, so that the leakage indication is realized; in addition, when the circuit breaker is switched on, the reset deflector rod B11 drives the indicator 13 to rotate, so that the indicator 13 is reset, after the circuit breaker is switched on, the reset deflector rod B11 is in interference fit with the indicator 13, at the moment, the upper end of the electric leakage lock catch 12 is in interference fit with the locking boss 132 of the indicator 13, or the upper end of the electric leakage lock catch 12 and the locking boss 132 of the indicator 13 exceed the interference position, and the electric leakage lock catch is separated after the electric leakage lock catch exceeds the interference position, so that the indicator 13 can be reset in place after the circuit breaker is switched on, and the indicator 13 is reset when the electric leakage circuit breaker is tripped or switched off by human factors under the non-electric leakage; the above structure acts stably, and can be fine realize the electric leakage indicating function, it should be noted in addition that when the circuit breaker is not the electric leakage disconnection, the electric leakage tripping indicating unit 1 does not act, and the indicator 13 is positioned at the initial position by the interference fit of the locking boss 132 and the upper end 121 of the electric leakage lock 12.

In the embodiment of the present invention, a torsion spring 14 is selected between the spring and the torsion spring 14, the torsion spring 14 is sleeved on the first pin 31, one end of the torsion spring 14 abuts against the indicator 13, the other end abuts against the leakage lock 12, a limiting boss 16 for limiting the rotation angle of the indicator 13 is disposed in the second mounting cavity 3, a notch 33 is further disposed in the second mounting cavity 3, the lower end 122 of the leakage lock 12 is disposed at the notch 33, the inner wall of the notch 33 cooperates with the lower end of the leakage lock 12 to limit the rotation stroke of the leakage lock 12, the torsion of the torsion spring 14 to the indicator 13 and the leakage lock 12 is adopted, so as long as the leakage lock 12 is separated from the locking boss 132, the indicator 13 is immediately rotated under the driving of the torsion spring 14 to achieve the leakage indication, in addition, the limiting boss 16 can limit the rotation angle of the indicator 13, and ensure that the indicator 13 rotates within a reasonable range, the notch 33 can limit the rotation stroke of the leakage lock catch 12, so that the leakage lock catch can rotate in a reasonable interval.

In the embodiment of the utility model, chutes A2 and B2 are arranged between the adjacent two side surfaces of the group A breaker unit and the group B breaker unit, the leakage ejector rod 11 is arranged in chutes A2 and B2, the second end of the leakage ejector rod 11 is bent, the bent part of the leakage ejector rod forms a deflector rod 111, the deflector rod 111 is matched with the lock catch abutting pin A1 of the group A breaker unit, the lock catch abutting pin A1 of the group A breaker unit can be pushed to rotate to realize the disconnection of the breaker, the abutting edge 133 is arranged on the indicator 13, the movable contact mounting seat B1 of the group B breaker unit is provided with a reset deflector rod B11, the reset deflector rod B11 can push the indicator 13 to rotate in the closing process of the breaker to realize the abutting of the locking boss 132 on the indicator 13 and the upper end of the leakage lock catch 12 to realize the reset indication of the indicator 13, by adopting the scheme, the position of the leakage indicator unit 1 is very reasonable, in addition, the sliding direction of the electric leakage ejector rod 11 can be well ensured by arranging the sliding grooves A1 and B1, and the stability of the action is ensured. The driving lever 111 adopts the above scheme to conveniently push the lock catch abutting pin A1 of the group A breaker unit to realize the disconnection of the breaker, the abutting edge 133 on the indicator 13 is arranged to realize the reset of the indicator 13, specifically, the reset driving lever B11 pushes the abutting edge 133 to realize the rotation of the indicator 13, and certainly, other components such as a lug, a convex rib and a connecting rod can be arranged to realize the reset in cooperation with the reset driving lever B11.

In the embodiment of the present invention, the first group of circuit breaker units, the second group of circuit breaker units, the third group of circuit breaker units and the fourth group of circuit breaker units are sequentially arranged in parallel, wherein the a group of circuit breaker units is the first group of circuit breaker units, the B group of circuit breaker units is the second group of circuit breaker units, of course, the a group of circuit breaker units and the B group of circuit breaker units can also be the third group of circuit breaker units and the fourth group of circuit breaker units, two side ends of the 4P earth leakage circuit breaker, namely, the first end C and the second end D are respectively provided with four connecting terminals, the four connecting terminals on the first end C are respectively located at one end of the corresponding first group of circuit breaker units, the second group of circuit breaker units, the third group of circuit breaker units and the fourth group of circuit breaker units, the four connecting terminals on the second end D are arranged, set up electric leakage release 15 on the corresponding one end of first group circuit breaker unit, the inboard of four binding post on the second end D is provided with third installation cavity D1, be provided with current transformer 5 in the third installation cavity D1, adopt above-mentioned scheme, make above-mentioned product simple structure reasonable, especially very convenient to installation electric leakage release and current transformer 5.

In the embodiment of the present invention, a testing circuit and a current-getting device C3 for the leakage circuit board are disposed on one of the other three groups of circuit breaker units except the group B circuit breaker units, the testing circuit and the current-getting device C3 for the leakage circuit board include a button C31, a first conductive ring C32, a second conductive ring C33, a first current-getting torsion spring C34 and a second current-getting torsion spring C35, the first conductive ring C32 and the second conductive ring C33 are disposed on the first mounting post C11 and the second mounting post C12 of the housing of the circuit breaker unit, respectively, the first current-getting torsion spring C34 is sleeved on the third mounting post C13 of the housing of the circuit breaker unit, the first extension arm C341 of the first current-getting torsion spring C34 is electrically connected with the second conductive ring C33, the second extension arm C342 of the first current-getting torsion spring C34 is disposed below the button C31 and is abutted against the first conductive ring C32, the lower voltage-getting torsion spring C31 is electrically connected with the second extension arm C34, the second electricity-taking torsion spring C35 is arranged on a fourth mounting column C14 of the shell of the circuit breaker unit, a first extension arm C351 of the second electricity-taking torsion spring C35 is electrically connected with a moving contact of the circuit breaker, a moving contact mounting seat C4 of a handle operating mechanism of the circuit breaker is provided with a shifting lever C41, the shifting lever C41 is arranged corresponding to a second extension arm C352 of the second electricity-taking torsion spring C35, when the circuit breaker is switched on, the second extension arm C352 of the second electricity-taking torsion spring C35 is in contact with a second conductive ring C33 to realize electrical connection, when the circuit breaker is switched off, the shifting lever C41 drives the second extension arm C352 of the second electricity-taking torsion spring C35 to rotate to form a second extension arm C352 which is separated from the second conductive ring C33, and the second conductive ring C33 is directly electrically connected with the test; by adopting the scheme, the connection of the incoming line end and the outgoing line end of the circuit breaker can be unlimited, and the circuit breaker is characterized in that when the circuit breaker is switched on, the second extension arm C352 of the second electricity-taking torsion spring C35 is in contact with the second conductive ring C33 to realize electric connection, so that when the button C31 is pressed, electricity can be taken from the driven contact to the first conductive ring C32, when the circuit breaker is switched off, the deflector rod C41 drives the second extension arm C352 of the second electricity-taking torsion spring C35 to rotate to form the separation of the second extension arm C352 and the second conductive ring C33, the other two groups of circuit breaker units are respectively provided with the electricity-leakage circuit board electricity-taking device D, the electricity-leakage circuit board electricity-taking device D comprises the electricity-leakage taking torsion spring D1 and the electricity-leakage electricity-taking ring D2, the electricity-leakage torsion spring D1 and the electricity-leakage taking ring D2 are respectively arranged on the shaft columns of the shells of the corresponding circuit breaker units, the electricity-, the second end of the electric leakage electricity taking torsion spring D1 is abutted against the electric leakage electricity taking ring D2, a disconnecting deflector rod D3 is arranged on a moving contact mounting seat corresponding to a handle operating mechanism of the breaker unit, and the disconnecting deflector rod D3 abuts against the second end of the electric leakage electricity taking torsion spring D1 to form a second end of the electric leakage electricity taking torsion spring D1 to be isolated from the electric leakage electricity taking ring D2 when the breaker is opened or tripped. By adopting the scheme, the leakage circuit is provided with the three breaker units which are provided with the electricity taking mechanisms capable of being broken, and the electricity taking mechanisms of the three breaker units are in a disconnected state after opening or tripping, so that one circuit of electricity is generated on the leakage circuit at most, a loop cannot be formed, and the performance of a product is ensured.

Claims

1. The utility model provides a take electric leakage indication mechanism's 4P electric leakage circuit breaker, includes first group circuit breaker unit, second group circuit breaker unit, third group circuit breaker unit and fourth group circuit breaker unit, the mutual linkage setting of handle of above-mentioned four group circuit breaker units, also the mutual linkage setting between the hasp of above-mentioned four group circuit breaker units, its characterized in that: an electric leakage tripping indicating unit is arranged between any two groups of adjacent circuit breaker units, the two groups of circuit breaker units are called as a group A circuit breaker unit and a group B circuit breaker unit, the electric leakage tripping indicating unit comprises an electric leakage ejector rod, an electric leakage lock catch, an indicating piece and a reset spring or a torsion spring, a first installation cavity is arranged at the end part of the same side of the group A circuit breaker unit and the group B circuit breaker unit, an electric leakage tripping device is arranged in the first installation cavity, a second installation cavity is arranged between the two adjacent side surfaces of the group A circuit breaker unit and the group B circuit breaker unit, the indicating piece is hinged on a first pin shaft in the second installation cavity, a display surface and a locking boss are arranged on the indicating piece, a window for displaying the display surface is arranged on the shell of the group A circuit breaker unit or the group B circuit breaker unit, the spring or the torsion spring acts on the indicating piece, the electric leakage lock catch is hinged on a second pin shaft in the, the upper end of the leakage lock catch is in interference fit with the locking boss of the indicator under the condition that the circuit breaker is manually opened or is not tripped, the first end of the leakage ejector rod is fixed or integrally arranged with a movable iron core of the leakage tripper, the second end of the leakage ejector rod is matched with the lower end of the leakage lock catch, the lower end of the leakage lock catch or the second end of the leakage ejector rod is fixedly or integrally provided with a deflector rod, the deflector rod is matched with a lock catch abutting contact pin of a first handle operating mechanism of the group A circuit breaker unit, the leakage tripper moves to enable the leakage ejector rod to push the leakage lock catch to swing, meanwhile, the deflector rod also pushes the lock catch of the group A circuit breaker unit to abut contact pin to rotate to realize disconnection of the leakage circuit breaker, at the moment, the indicator rotates under the action of a spring or a torsional spring to form leakage indication, a movable contact mounting seat of the handle operating mechanism of the group B circuit breaker unit is, after the circuit breaker is switched on, the reset deflector rod is in interference fit with the indicator, and at the moment, the upper end of the electric leakage lock catch is in interference fit with the locking boss of the indicator or the upper end of the electric leakage lock catch and the locking boss of the indicator exceed the interference position.

2. A 4P residual current circuit breaker with a residual current indication mechanism according to claim 1, characterized in that: select the torsional spring between spring and the torsional spring, this torsional spring cover is established at first round pin epaxially, and the one end of torsional spring is contradicted on the indicator, and the other end is contradicted on the electric leakage hasp, be provided with the spacing boss of restriction indicator turned angle in the second installation cavity, still be provided with the breach in the second installation cavity, breach department is arranged in to electric leakage hasp lower extreme, and the inner wall and the cooperation of electric leakage hasp lower extreme of breach restrict electric leakage hasp rotation stroke.

3. A 4P residual current circuit breaker with a residual current indication mechanism according to claim 1 or 2, characterized in that: the utility model discloses a breaker switching-on device, including A group circuit breaker unit, B group circuit breaker unit, electric leakage ejector pin, the second end of electric leakage ejector pin is provided with the spout between the both sides face that A group circuit breaker unit and B group circuit breaker unit are adjacent, and in the spout was arranged in to the electric leakage ejector pin, the second end of electric leakage ejector pin becomes the bending setting, and its kink constitutes the driving lever, and this driving lever and A group circuit breaker unit's hasp support the foot cooperation, can promote A group circuit breaker unit's hasp support the foot and rotate and realize the circuit breaker disconnection, be provided with the conflict limit on the indicator, be provided with the driving lever that resets on B group circuit breaker.

4. A 4P residual current circuit breaker with a residual current indication mechanism according to claim 1 or 2, characterized in that: the first group of circuit breaker units, the second group of circuit breaker units, the third group of circuit breaker units and the fourth group of circuit breaker units are sequentially arranged in parallel, wherein the A group of circuit breaker units are the first group of circuit breaker units, the B group of circuit breaker units are the second group of circuit breaker units, four wiring terminals are respectively arranged on two side ends of the 4P electric leakage circuit breaker, namely a first end and a second end, the four wiring terminals on the first end are respectively positioned at one end of the first group of circuit breaker units, the second group of circuit breaker units, the third group of circuit breaker units and the fourth group of circuit breaker units which respectively correspond to the first group of circuit breaker units, the third group of circuit breaker units and the fourth group of circuit breaker units, the four wiring terminals on the second end are arranged at one end of the second group of circuit breaker units, the third group of circuit breaker units and, and a current transformer is arranged in the third mounting cavity.

5. A 4P residual current circuit breaker with a residual current indication mechanism according to claim 3, characterized in that: the first group of circuit breaker units, the second group of circuit breaker units, the third group of circuit breaker units and the fourth group of circuit breaker units are sequentially arranged in parallel, wherein the A group of circuit breaker units are the first group of circuit breaker units, the B group of circuit breaker units are the second group of circuit breaker units, four wiring terminals are respectively arranged on two side ends of the 4P electric leakage circuit breaker, namely a first end and a second end, the four wiring terminals on the first end are respectively positioned at one end of the first group of circuit breaker units, the second group of circuit breaker units, the third group of circuit breaker units and the fourth group of circuit breaker units which respectively correspond to the first group of circuit breaker units, the third group of circuit breaker units and the fourth group of circuit breaker units, the four wiring terminals on the second end are arranged at one end of the second group of circuit breaker units, the third group of circuit breaker units and, and a current transformer is arranged in the third mounting cavity.

6. A 4P residual current circuit breaker with a residual current indication mechanism according to claim 1 or 2, characterized in that: the other three groups of circuit breaker units except the group B circuit breaker units are provided with a test loop and a leakage circuit board electricity taking device, the test loop and the leakage circuit board electricity taking device comprises a button, a first conductive ring, a second conductive ring, a first electricity taking torsion spring and a second electricity taking torsion spring, the first conductive ring and the second conductive ring are respectively arranged on a first mounting column and a second mounting column of a shell of the circuit breaker unit, the first electricity taking torsion spring is sleeved on a third mounting column of the shell of the circuit breaker unit, a first extension arm of the first electricity taking torsion spring is abutted against the second conductive ring to realize electric connection, a second extension arm of the first electricity taking torsion spring is arranged below the button and is correspondingly arranged with the first conductive ring, the button is pressed down to realize the abutting of the second extension arm of the first electricity taking torsion spring against the first conductive ring to realize electric connection, the second electricity taking torsion spring is arranged on a fourth mounting column of the shell of the circuit breaker unit, the first extension arm of the second electricity-taking torsional spring is electrically connected with the moving contact of the circuit breaker, the moving contact mounting seat of the handle operating mechanism of the circuit breaker unit is provided with a deflector rod which is correspondingly arranged with the second extension arm of the second electricity-taking torsional spring, when the circuit breaker is switched on, the second extension arm of the second electricity-taking torsional spring is contacted with the second conductive ring to realize the electrical connection, when the circuit breaker is switched off, the deflector rod drives the second extension arm of the second electricity-taking torsional spring to rotate to form the second extension arm to be separated from the second conductive ring, the other two groups of circuit breaker units are respectively provided with an electricity-leakage circuit board electricity-taking device, the electricity-leakage circuit board electricity-taking device comprises an electricity-leakage electricity-taking torsional spring and an electricity-leakage electricity-taking ring, the electricity-leakage electricity-taking torsional spring and the electricity-leakage electricity-, the second end is abutted against the electric leakage electricity taking ring, a disconnecting deflector rod is arranged on a moving contact mounting seat corresponding to a handle operating mechanism of the circuit breaker unit, and the disconnecting deflector rod is abutted against the second end of the electric leakage electricity taking torsion spring to form the second end of the electric leakage electricity taking torsion spring to be isolated from the electric leakage electricity taking ring when the circuit breaker is opened or tripped.

7. A 4P residual current circuit breaker with a residual current indication mechanism according to claim 3, characterized in that: the other three groups of circuit breaker units except the group B circuit breaker units are provided with a test loop and a leakage circuit board electricity taking device, the test loop and the leakage circuit board electricity taking device comprises a button, a first conductive ring, a second conductive ring, a first electricity taking torsion spring and a second electricity taking torsion spring, the first conductive ring and the second conductive ring are respectively arranged on a first mounting column and a second mounting column of a shell of the circuit breaker unit, the first electricity taking torsion spring is sleeved on a third mounting column of the shell of the circuit breaker unit, a first extension arm of the first electricity taking torsion spring is abutted against the second conductive ring to realize electric connection, a second extension arm of the first electricity taking torsion spring is arranged below the button and is correspondingly arranged with the first conductive ring, the button is pressed down to realize the abutting of the second extension arm of the first electricity taking torsion spring against the first conductive ring to realize electric connection, the second electricity taking torsion spring is arranged on a fourth mounting column of the shell of the circuit breaker unit, the first extension arm of the second electricity-taking torsional spring is electrically connected with the moving contact of the circuit breaker, the moving contact mounting seat of the handle operating mechanism of the circuit breaker unit is provided with a deflector rod which is correspondingly arranged with the second extension arm of the second electricity-taking torsional spring, when the circuit breaker is switched on, the second extension arm of the second electricity-taking torsional spring is contacted with the second conductive ring to realize the electrical connection, when the circuit breaker is switched off, the deflector rod drives the second extension arm of the second electricity-taking torsional spring to rotate to form the second extension arm to be separated from the second conductive ring, the other two groups of circuit breaker units are respectively provided with an electricity-leakage circuit board electricity-taking device, the electricity-leakage circuit board electricity-taking device comprises an electricity-leakage electricity-taking torsional spring and an electricity-leakage electricity-taking ring, the electricity-leakage electricity-taking torsional spring and the electricity-leakage electricity-, the second end is abutted against the electric leakage electricity taking ring, a disconnecting deflector rod is arranged on a moving contact mounting seat corresponding to a handle operating mechanism of the circuit breaker unit, and the disconnecting deflector rod is abutted against the second end of the electric leakage electricity taking torsion spring to form the second end of the electric leakage electricity taking torsion spring to be isolated from the electric leakage electricity taking ring when the circuit breaker is opened or tripped.

8. A 4P earth leakage circuit breaker with an earth leakage indication mechanism according to claim 4, characterized in that: the other three groups of circuit breaker units except the group B circuit breaker units are provided with a test loop and a leakage circuit board electricity taking device, the test loop and the leakage circuit board electricity taking device comprises a button, a first conductive ring, a second conductive ring, a first electricity taking torsion spring and a second electricity taking torsion spring, the first conductive ring and the second conductive ring are respectively arranged on a first mounting column and a second mounting column of a shell of the circuit breaker unit, the first electricity taking torsion spring is sleeved on a third mounting column of the shell of the circuit breaker unit, a first extension arm of the first electricity taking torsion spring is abutted against the second conductive ring to realize electric connection, a second extension arm of the first electricity taking torsion spring is arranged below the button and is correspondingly arranged with the first conductive ring, the button is pressed down to realize the abutting of the second extension arm of the first electricity taking torsion spring against the first conductive ring to realize electric connection, the second electricity taking torsion spring is arranged on a fourth mounting column of the shell of the circuit breaker unit, the first extension arm of the second electricity-taking torsional spring is electrically connected with the moving contact of the circuit breaker, the moving contact mounting seat of the handle operating mechanism of the circuit breaker unit is provided with a deflector rod which is correspondingly arranged with the second extension arm of the second electricity-taking torsional spring, when the circuit breaker is switched on, the second extension arm of the second electricity-taking torsional spring is contacted with the second conductive ring to realize the electrical connection, when the circuit breaker is switched off, the deflector rod drives the second extension arm of the second electricity-taking torsional spring to rotate to form the second extension arm to be separated from the second conductive ring, the other two groups of circuit breaker units are respectively provided with an electricity-leakage circuit board electricity-taking device, the electricity-leakage circuit board electricity-taking device comprises an electricity-leakage electricity-taking torsional spring and an electricity-leakage electricity-taking ring, the electricity-leakage electricity-taking torsional spring and the electricity-leakage electricity-, the second end is abutted against the electric leakage electricity taking ring, a disconnecting deflector rod is arranged on a moving contact mounting seat corresponding to a handle operating mechanism of the circuit breaker unit, and the disconnecting deflector rod is abutted against the second end of the electric leakage electricity taking torsion spring to form the second end of the electric leakage electricity taking torsion spring to be isolated from the electric leakage electricity taking ring when the circuit breaker is opened or tripped.

9. A 4P residual current circuit breaker with a residual current indication mechanism according to claim 5, characterized in that: the other three groups of circuit breaker units except the group B circuit breaker units are provided with a test loop and a leakage circuit board electricity taking device, the test loop and the leakage circuit board electricity taking device comprises a button, a first conductive ring, a second conductive ring, a first electricity taking torsion spring and a second electricity taking torsion spring, the first conductive ring and the second conductive ring are respectively arranged on a first mounting column and a second mounting column of a shell of the circuit breaker unit, the first electricity taking torsion spring is sleeved on a third mounting column of the shell of the circuit breaker unit, a first extension arm of the first electricity taking torsion spring is abutted against the second conductive ring to realize electric connection, a second extension arm of the first electricity taking torsion spring is arranged below the button and is correspondingly arranged with the first conductive ring, the button is pressed down to realize the abutting of the second extension arm of the first electricity taking torsion spring against the first conductive ring to realize electric connection, the second electricity taking torsion spring is arranged on a fourth mounting column of the shell of the circuit breaker unit, the first extension arm of the second electricity-taking torsional spring is electrically connected with the moving contact of the circuit breaker, the moving contact mounting seat of the handle operating mechanism of the circuit breaker unit is provided with a deflector rod which is correspondingly arranged with the second extension arm of the second electricity-taking torsional spring, when the circuit breaker is switched on, the second extension arm of the second electricity-taking torsional spring is contacted with the second conductive ring to realize the electrical connection, when the circuit breaker is switched off, the deflector rod drives the second extension arm of the second electricity-taking torsional spring to rotate to form the second extension arm to be separated from the second conductive ring, the other two groups of circuit breaker units are respectively provided with an electricity-leakage circuit board electricity-taking device, the electricity-leakage circuit board electricity-taking device comprises an electricity-leakage electricity-taking torsional spring and an electricity-leakage electricity-taking ring, the electricity-leakage electricity-taking torsional spring and the electricity-leakage electricity-, the second end is abutted against the electric leakage electricity taking ring, a disconnecting deflector rod is arranged on a moving contact mounting seat corresponding to a handle operating mechanism of the circuit breaker unit, and the disconnecting deflector rod is abutted against the second end of the electric leakage electricity taking torsion spring to form the second end of the electric leakage electricity taking torsion spring to be isolated from the electric leakage electricity taking ring when the circuit breaker is opened or tripped.