CN110534379B - 4P leakage circuit breaker with leakage indicating mechanism - Google Patents
4P leakage circuit breaker with leakage indicating mechanism Download PDFInfo
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- CN110534379B CN110534379B CN201910908510.1A CN201910908510A CN110534379B CN 110534379 B CN110534379 B CN 110534379B CN 201910908510 A CN201910908510 A CN 201910908510A CN 110534379 B CN110534379 B CN 110534379B
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- 230000007246 mechanism Effects 0.000 title claims abstract description 17
- 230000005611 electricity Effects 0.000 claims description 24
- 238000009434 installation Methods 0.000 claims description 11
- 238000005452 bending Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 230000009471 action Effects 0.000 abstract description 10
- 230000007547 defect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 16
- 210000003205 muscle Anatomy 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/04—Means for indicating condition of the switching device
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/04—Means for indicating condition of the switching device
- H01H2071/042—Means for indicating condition of the switching device with different indications for different conditions, e.g. contact position, overload, short circuit or earth leakage
Abstract
The invention relates to a 4P leakage breaker, in particular to a 4P leakage breaker with an electric leakage indicator. The invention adopts the following technical scheme: the utility model provides a take electric leakage indicating mechanism's 4P electric leakage circuit breaker which characterized in that: the invention overcomes the defects of the prior art by adopting the scheme, and provides a novel 4P leakage circuit breaker which is simple in structure, reliable in action and has a leakage indication function.
Description
Technical Field
The invention relates to a 4P leakage breaker, in particular to a 4P leakage breaker with an electric leakage indicator.
Background
The existing 4P leakage breaker has the functions of electric leakage tripping, overload tripping and short circuit tripping, wherein the tripping functions are all provided, but the electric leakage indicating function is not provided, the electric leakage indicating function has the effect that when the breaker trips due to electric leakage, the indicating mechanism has the indicating function, so that a consumer can clearly know that the circuit breaker trips due to electric leakage, if the function is not provided, the reason for the tripping is unclear after the circuit breaker trips, and great trouble is brought to circuit maintenance.
Disclosure of Invention
The invention overcomes the defects existing in the prior art and provides the novel 4P leakage circuit breaker which has the advantages of simple structure, reliable action and leakage indication function.
In order to achieve the above purpose, the invention adopts the following technical scheme: the utility model provides a take electric leakage indicating 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, and the mutual linkage of handle of above-mentioned four groups circuit breaker unit sets up, also mutual linkage sets up, its characterized in that between the hasp of above-mentioned four groups circuit breaker unit: the electric leakage tripping indicating unit is arranged between any two groups of adjacent breaker units, the two groups of breaker units are called an A group breaker unit and a B group 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 torsion spring, a first mounting cavity is arranged on the end part of the same side of the A group breaker unit and the B group breaker unit, an electric leakage tripping device is arranged in the first mounting cavity, a second mounting cavity is arranged between two side surfaces of the adjacent connection of the A group breaker unit and the B group breaker unit, the indicating piece is hinged to a first pin roll arranged in the second mounting cavity, a display surface and a locking boss are arranged on the indicating piece, the A group breaker unit or the B group breaker unit is provided with a window for displaying the display surface, the spring or torsion spring acts on the indicating piece, the lock catch is hinged to be arranged on a second pin roll of the second mounting cavity, the upper end of the lock catch and the indicating piece are in a mode of being in manual opening or non-abutting fit under the condition of the breaker, the electric leakage lock catch is in a mode, the electric leakage ejector rod is in a mode of being in a manual opening or non-abutting fit, the electric leakage lock catch is in a mode, the electric leakage ejector rod is in a mode, the electric ejector rod is integrally pushed by the ejector rod is integrally arranged on the first pin roll rod is in a lower end of the ejector rod, the electric ejector rod is in a lower end of the electric ejector rod is in a mode, and the electric ejector rod is in a lower end is in a mode, the electric rod is in a mode of the electric rod is in a lower end of the electric rod is in a mode, and the electric rod is in a lower end of the electric rod is in a lower electric rod, and has a lower end state, and a lower rod is in a lower rod. The movable contact mounting seat of the handle operating mechanism of the group B circuit breaker unit is fixedly provided with a reset deflector rod, the reset deflector rod can push the indicating piece to rotate to achieve the reset indication of the indicating piece when the circuit breaker is closed, the reset deflector rod is in interference fit with the indicating piece after the circuit breaker is closed, and at the moment, the upper end of the leakage lock buckle is in interference fit with the locking boss of the indicating piece or the upper end of the leakage lock buckle exceeds the interference position with the locking boss of the indicating piece.
By adopting the scheme, the electric leakage release of the product can push the lower end of the electric leakage lock catch to rotate through the electric leakage ejector rod when in action, at the moment, the electric leakage circuit breaker releases, and the indicating piece rotates under the action of the spring or the torsion spring to realize electric leakage indication; in addition, when the breaker is to be switched on, the reset deflector rod drives the indicating piece to rotate, so that the indicating piece is reset, the structure acts stably, and the leakage indicating function can be well realized; the circuit breaker is characterized in that the indicator can be pushed to rotate by the reset deflector rod to realize the reset indication of the indicator when the circuit breaker is switched on, the reset deflector rod is in interference fit with the indicator after the circuit breaker is switched on, at the moment, the upper end of the leakage lock catch is in interference fit with the locking boss of the indicator or the upper end of the leakage lock catch exceeds the interference position with the locking boss of the indicator, so that the purpose of the circuit breaker is to ensure that the indicator can be reset in place after the circuit breaker is switched on, and the indicator is reset when the circuit breaker is tripped under the non-leakage condition or the artificial factor is switched off, and the leakage indication can not be displayed.
The invention is further provided with the following steps: the utility model discloses a leakage lock, including the electric leakage lock, the spring, 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 leakage lock, be provided with the spacing boss of restriction indicator turned angle in the second installation intracavity, the second installation intracavity still is provided with the breach, the breach department is arranged in to leakage lock lower extreme, the inner wall of breach and leakage lock lower extreme cooperation restriction leakage lock turned journey.
Through adopting above-mentioned scheme, adopt torsion 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 the realization electric leakage instruction under the drive of torsional spring immediately, and spacing boss can restrict the rotation angle of indicator in addition, guarantees that the indicator rotates in reasonable within range, and the setting of breach can restrict electric leakage hasp pivoted stroke, makes it rotate in reasonable interval.
The invention is further provided with the following steps: the circuit breaker is characterized in that a sliding groove is formed between two adjacent side surfaces of the circuit breaker unit A and the circuit breaker unit B, the electric leakage ejector rod is arranged in the sliding groove, the second end of the electric leakage ejector rod is bent, the bending part of the electric leakage ejector rod forms a deflector rod, the deflector rod is matched with the lock catch abutting foot of the circuit breaker unit A, the lock catch abutting foot of the circuit breaker unit A can be pushed to rotate to realize the disconnection of the circuit breaker, an abutting edge is arranged on the indicator, a reset deflector rod is arranged on a movable contact mounting seat of the circuit breaker unit B, and the reset deflector rod can push the indicator to rotate in the circuit breaker closing process to realize the reset indication of the indicator.
Through adopting above-mentioned scheme, make the position that the electric leakage dropout instruction unit set up very reasonable, the setting of spout guarantees the electric leakage ejector pin slip direction that can be fine in addition, guarantees the stability of action. The deflector rod adopts the scheme to set up and can conveniently promote and rotate with the hasp conflict foot cooperation of A group circuit breaker unit and realize the circuit breaker disconnection, and the conflict limit setting on the indicator can realize that the indicator resets, specifically resets the deflector rod and promotes conflict limit and realize the indicator rotation, of course we also can set up other parts such as lug, protruding muscle, connecting rod and realize resetting with the deflector rod cooperation that resets.
The invention is further provided with the following steps: the circuit breaker comprises a first group of circuit breaker units, a second group of circuit breaker units, a third group of circuit breaker units and a fourth group of circuit breaker units, 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 at two side ends of the 4P leakage circuit breaker, namely at a first end and a second end, the four wiring terminals at the first end are respectively positioned at one ends 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 wiring terminals at the second end are arranged at one ends of the second group of circuit breaker units, the third group of circuit breaker units and the fourth group of circuit breaker units, a leakage tripping device is arranged at one end of the first group of circuit breaker units, a third installation cavity is arranged at the inner side of the four wiring terminals at the second end, and a current transformer is arranged in the third installation cavity.
By adopting the scheme, the product has simple and reasonable structure, and is particularly convenient for installing the leakage release and the current transformer.
The final settings of the invention are: one of the other three groups of breaker units except the B group of breaker units is provided with a test loop and a leakage circuit board power taking device, the test loop and the leakage circuit board power taking device comprise a button, a first conductive ring, a second conductive ring, a first power taking torsion spring and a second power 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 breaker unit, the first power taking torsion spring is sleeved on a third mounting column of the shell of the breaker unit, a first extension arm of the first power taking torsion spring is in contact with the second conductive ring to realize electric connection, a second extension arm of the first power taking torsion spring is arranged below the button and is correspondingly arranged with the first conductive ring, the second extension arm of the first power taking torsion spring is pressed down by the button to realize electric connection, the second power taking torsion spring is arranged on a fourth mounting column of the shell of the circuit breaker unit, a first extension arm of the second power taking torsion spring is electrically connected with a moving contact of the circuit breaker, a shifting lever is arranged on a moving contact mounting seat of a handle operating mechanism of the circuit breaker unit, the shifting lever is correspondingly arranged with a second extension arm of the second power taking torsion spring, when the circuit breaker is closed, the second extension arm of the second power taking torsion spring is in contact with a second conductive ring to realize electric connection, when the circuit breaker is disconnected, the shifting lever drives the second extension arm of the second power taking torsion 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 a leakage circuit board power taking device, the leakage circuit board power taking device comprises a leakage power taking torsion spring and a leakage power taking ring, the leakage power taking torsion spring and the leakage power taking ring are respectively arranged on shaft columns of the shell of the corresponding circuit breaker unit, the first end of the leakage electricity taking torsion spring is connected with a moving contact or a fixed contact of the circuit breaker unit, the second end of the leakage electricity taking torsion spring is abutted against the moving contact or the fixed contact of the circuit breaker unit, a disconnection deflector rod is arranged on a moving contact mounting seat of a handle operating mechanism of the corresponding circuit breaker unit, and when the circuit breaker is opened or tripped, the disconnection deflector rod is abutted against the second end of the leakage electricity taking torsion spring to form the second end of the leakage electricity taking torsion spring to be isolated from the leakage electricity taking ring.
Through adopting above-mentioned scheme, have three circuit breaker units to be provided with on the electric leakage circuit and can break up getting the motor and constitute the disconnection state at three circuit breaker units's getting motor after breaking off or tripping, appear a way electricity at most on the electric leakage circuit like this, can not form a return circuit, guarantee the performance of product.
The invention will be further illustrated with reference to specific examples.
Drawings
FIG. 1 is a perspective view of an embodiment of the present invention;
FIG. 2 is a block diagram of an embodiment of the present invention reflecting a leakage release;
FIG. 3 is a block diagram of a reflective toggle in accordance with an embodiment of the present invention;
FIG. 4 is a block diagram of an embodiment of the present invention reflecting the interference of a leakage trip with an indicator;
fig. 5 is a block diagram of a housing reflecting a B-group circuit breaker unit according to an embodiment of the present invention;
fig. 6 is a block diagram of a circuit breaker unit housing reflecting group a in accordance with an embodiment of the invention;
FIG. 7 is a perspective view of an indicator according to an embodiment of the present invention;
FIG. 8 is a block diagram of an embodiment of the present invention reflecting the separation of the leakage trip from the indicator;
FIG. 9 is a block diagram of a leakage trip according to an embodiment of the present invention;
FIG. 10 is a block diagram of an embodiment of the present invention reflecting a reset lever for a group B circuit breaker unit;
fig. 11 is a diagram showing a moving contact mounting seat of a handle operating mechanism of a group B circuit breaker unit according to an embodiment of the present invention;
FIG. 12 is a block diagram of a third mounting cavity according to an embodiment of the present invention;
FIG. 13 is a block diagram of a power take-off device reflecting test loops and a leakage circuit board according to 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 block diagram of a reflective toggle in accordance with an embodiment of the present invention;
FIG. 16 is a block diagram of a power take-off device reflecting a leakage circuit board according to an embodiment of the present invention;
FIG. 17 is a diagram of a mating of a leakage current pickup torsion spring and a leakage current pickup ring in accordance with an embodiment of the present invention;
FIG. 18 is a block diagram of an embodiment of the present invention reflecting a disconnect lever.
Detailed Description
As shown in fig. 1-18, a 4P leakage breaker with a leakage indicating mechanism includes 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, handles of the four groups of breaker units are mutually linked, locks of the four groups of breaker units are also mutually linked, the technical characteristics are also provided in the existing 4P leakage breaker, which is not described in detail in this embodiment, a leakage trip indicating unit 1 is provided between any two groups of adjacent breaker units, the two groups of breaker units are called an a group of breaker units and a B group of breaker units, the leakage trip indicating unit 1 includes a leakage ejector rod 11, a leakage lock 12, an indicating member 13 and a return spring or torsion spring 14, the ends of the same sides of the a group of breaker units and the B group of breaker units are provided with a first installation cavity 2, a leakage release 15 is provided in the first installation cavity 2, the sides of the a group of breaker units and the B group of breaker units are provided with a second installation cavity 13 or a locking member 13, the second end of the leakage ejector rod is provided with a locking member 13 and a pin shaft 13 is provided on the second end face of the display member 13, the first end of the leakage indicator unit is provided with a locking member 13 or the second end of the display member 13, the second end of the display member is provided with a locking member 13 is provided with a locking pin 13, the locking member is provided with a locking pin member 13 or a locking member 13 is provided on the locking surface of the second end of the display member 13, and the locking member is provided with a locking member 13, and a locking member is provided with a locking member 13 is provided with a locking member, and a locking member 13 is provided on the locking member 13, the second end of the electric leakage push rod 11 is matched with the lower end 122 of the electric leakage lock catch 12, the electric leakage release 15 moves, the electric leakage push rod 11 pushes the electric leakage lock catch 12 to swing so as to enable the indicating piece 13 to rotate under the action of the torsion spring 14 to form electric leakage indication, the lower end 122 of the electric leakage lock catch 12 or the second end of the electric leakage push rod 11 is fixedly or integrally provided with a deflector rod 111, in the embodiment of the invention, the deflector rod 111 is matched with the lock catch abutting foot A1 of the first handle operating mechanism of the A-group circuit breaker unit, the electric leakage release 15 moves so that the electric leakage push rod 11 pushes the electric leakage lock catch 12 to swing, meanwhile, the deflector rod 111 also pushes the lock catch abutting foot A1 of the A-group circuit breaker unit to rotate so as to enable the electric leakage circuit breaker to be disconnected, and the deflector rod B11 can push the indicating piece 13 to rotate so as to enable the indicating piece 13 to reset. By adopting the scheme, the leakage release of the product can push the lower end 122 of the leakage lock catch 12 to rotate through the leakage ejector rod 11 when in action, at the moment, the leakage breaker is released, and the indicator 13 rotates under the action of the torsion spring 14, so that leakage indication is realized; in addition, when the circuit breaker is switched on, the reset deflector rod B11 drives the indicating piece 13 to rotate, so that the indicating piece 13 is reset, after the circuit breaker is switched on, the reset deflector rod B11 is in interference fit with the indicating piece 13, at the moment, the upper end of the leakage lock catch 12 is in interference fit with the locking boss 132 of the indicating piece 13, or the upper end of the leakage lock catch 12 exceeds the interference position with the locking boss 132 of the indicating piece 13, and the exceeding interference position is separated after the interference, so that the indicating piece 13 can be reset in place after the circuit breaker is switched on, and the indicating piece 13 is reset under the non-leakage condition when the leakage circuit breaker is tripped or the human factor is switched off, so that leakage indication is not displayed; the above structure is stable in operation and can well realize the leakage indication function, and in addition, it should be noted that when the circuit breaker is not in the state of breaking due to leakage, the leakage trip indication unit 1 does not operate, and the indication piece 13 is positioned at the initial position by the interference fit of the locking boss 132 and the upper end 121 of the leakage lock catch 12.
In the embodiment of the invention, a torsion spring 14 is selected between the springs and the torsion spring 14, the torsion spring 14 is sleeved on the first pin shaft 31, one end of the torsion spring 14 is abutted against the indicator 13, the other end is abutted against the electric leakage lock catch 12, a limiting boss 16 for limiting the rotation angle of the indicator 13 is arranged in the second installation cavity 3, a notch 33 is further arranged in the second installation cavity 3, the lower end 122 of the electric leakage lock catch 12 is arranged at the notch 33, the inner wall of the notch 33 is matched with the lower end of the electric leakage lock catch 12 to limit the rotation stroke of the electric leakage lock catch 12, the torsion spring 14 is adopted to torsion the indicator 13 and the electric leakage lock catch 12, so that the indicator 13 immediately rotates under the driving of the torsion spring 14 as long as the electric leakage lock catch 12 is separated from the locking boss 132, in addition, the limiting boss 16 can limit the rotation angle of the indicator 13, ensure that the indicator 13 rotates within a reasonable range, and the arrangement of the notch 33 can limit the rotation stroke of the electric leakage lock catch 12, so that the indicator rotates within a reasonable range.
In the embodiment of the invention, sliding grooves A2 and B2 are arranged between two adjacent side surfaces of the A group breaker unit and the B group breaker unit, the electric leakage ejector rod 11 is arranged in the sliding grooves A2 and B2, the second end of the electric leakage ejector rod 11 is bent, the bending part of the electric leakage ejector rod 11 forms a deflector rod 111, the deflector rod 111 is matched with a lock catch abutting foot A1 of the A group breaker unit to push the lock catch abutting foot A1 of the A group breaker unit to rotate so as to realize the disconnection of the breaker, an abutting edge 133 is arranged on the indicator piece 13, a reset deflector rod B11 is arranged on a movable contact mounting seat B1 of the B group breaker unit, and the reset deflector rod B11 can push the locking boss 132 on the indicator piece 13 to rotate to abut against the upper end of the electric leakage lock catch 12 in the circuit breaker closing process so as to realize the reset indication of the indicator piece 13. The deflector rod 111 adopts the scheme to set up and can conveniently promote and cooperate with the hasp conflict foot A1 of A group circuit breaker unit to realize the circuit breaker disconnection, and conflict limit 133 setting on the indicator 13 can realize indicator 13 and reset, specifically resets deflector rod B11 and promotes conflict limit 133 and realize indicator 13 rotation, of course we also can set up other parts such as lug, protruding muscle, connecting rod and realize resetting with reset deflector rod B11 cooperation.
In the embodiment of the invention, the first group of breaker units, the second group of breaker units, the third group of breaker units and the fourth group of breaker units are sequentially arranged in parallel, wherein the A group of breaker units are the first group of breaker units, the B group of breaker units are the second group of breaker units, of course, the A group of breaker units and the B group of breaker units can also be the third group of breaker units and the fourth group of breaker units, four wiring terminals are respectively arranged at two side ends of the 4P leakage breaker, namely, the first end C and the second end D, the four wiring terminals at the first end C are respectively positioned at one end of the corresponding first group of breaker units, the second group of breaker units, the third group of breaker units and the fourth group of breaker units, the four wiring terminals at the second end D are arranged at one end of the second group of breaker units, the third group of breaker units and the fourth group of breaker units, the corresponding first group of breaker units are also provided with leakage breakers 15, the four wiring terminals at the second end C are respectively arranged at one end of the corresponding first group of breaker units, the four wiring terminals at the second end D are respectively provided with four wiring terminals at the inner sides of the third group of breaker units, and the third wiring terminals at the inner sides of the third end D are provided with three current transformers 5, and the current transformer is particularly convenient to install the current transformer 5 in the current transformer cavity.
In the embodiment of the invention, a test loop and an electric leakage circuit board electric taking device C3 are arranged on one group of breaker units except the group B of breaker units, the test loop and the electric leakage circuit board electric taking device C3 comprise a button C31, a first conductive ring C32, a second conductive ring C33, a first electric taking torsion spring C34 and a second electric taking torsion spring C35, the first conductive ring C32 and the second conductive ring C33 are respectively arranged on a first mounting column C11 and a second mounting column C12 of a shell of the breaker unit, the first electric taking torsion spring C34 is sleeved on a third mounting column C13 of the shell of the breaker unit, a first extension arm C341 of the first electric taking torsion spring C34 is in contact with the second conductive ring C33 to realize electric connection, a second extension arm C342 of the first electric taking torsion spring C34 is arranged below the button C31 and is correspondingly arranged with the first conductive ring C32, the second extension spring C32 is arranged on the second extension ring C35 to realize electric taking action of the switch, and the second extension spring C35 is arranged on the second extension spring C35 when the second extension ring C33 is in contact with the second extension ring C35, and the second extension spring C35 is in contact with the second extension ring C35, and the electric rod C35 is arranged on the second extension ring C35 to realize electric taking action of the breaker unit, and the second extension rod C35 is in contact with the second extension rod C35, and the electric connection of the second extension rod C35 is directly arranged to realize electric connection with the second extension rod C35, and the electric extension rod C35 is in contact with the second extension rod C electrical extension rod C; by adopting the scheme, the wiring of the inlet end and the outlet end of the circuit breaker can be unrestricted, the circuit breaker is particularly 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, the push button C31 is pressed, electricity can be taken from the driven contact to the first conductive ring C32, when the circuit breaker is disconnected, 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 an electric leakage circuit board electricity taking device D, the electric leakage circuit board electricity taking device D comprises an electric leakage electricity taking torsion spring D1 and an electric leakage electricity taking ring D2, the electric leakage electricity taking torsion spring D1 and the electric leakage electricity taking ring D2 are respectively arranged on a shaft post corresponding to a shell of the circuit breaker unit, the electric leakage electricity taking torsion spring D1 is electrically connected with the electric leakage circuit breaker circuit board, the first end of the electric leakage torsion spring D1 is connected with the movable contact or the static contact of the circuit breaker unit, the second end is in contact abutting against the second end of the second electricity taking torsion spring C35 is arranged on the second circuit breaker unit, and the second end 3 is disconnected with the electric leakage circuit breaker 3D is electrically disconnected from the second electric leakage circuit breaker 3. By adopting the scheme, three breaker units are provided with the disjunction electricity taking mechanism on the electric leakage circuit, and the three breaker units form an off state after breaking or tripping, so that at most one circuit of electricity is generated on the electric leakage circuit, a loop is not formed, and the performance of a product is ensured.
Claims (2)
1. The utility model provides a take electric leakage indicating 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, and the mutual linkage of handle of above-mentioned four groups circuit breaker unit sets up, also mutual linkage sets up, its characterized in that between the hasp of above-mentioned four groups circuit breaker unit: the electric leakage tripping indicating unit is arranged between any two groups of adjacent breaker units, the two groups of breaker units are called an A group breaker unit and a B group 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 torsion spring, a first mounting cavity is arranged on the end part of the same side of the A group breaker unit and the B group breaker unit, an electric leakage tripping device is arranged in the first mounting cavity, a second mounting cavity is arranged between two side surfaces of the adjacent connection of the A group breaker unit and the B group breaker unit, the indicating piece is hinged to a first pin roll arranged in the second mounting cavity, a display surface and a locking boss are arranged on the indicating piece, the A group breaker unit or the B group breaker unit is provided with a window for displaying the display surface, the spring or torsion spring acts on the indicating piece, the lock catch is hinged to be arranged on a second pin roll of the second mounting cavity, the upper end of the lock catch and the indicating piece are in a mode of being in manual opening or non-abutting fit under the condition of the breaker, the electric leakage lock catch is in a mode, the electric leakage ejector rod is in a mode of being in a manual opening or non-abutting fit, the electric leakage lock catch is in a mode, the electric leakage ejector rod is in a mode, the electric ejector rod is integrally pushed by the ejector rod is integrally arranged on the first pin roll rod is in a lower end of the ejector rod, the electric ejector rod is in a lower end of the electric ejector rod is in a mode, and the electric ejector rod is in a lower end is in a mode, the electric rod is in a mode of the electric rod is in a lower end of the electric rod is in a mode, and the electric rod is in a lower end of the electric rod is in a lower electric rod, and has a lower end state, and a lower rod is in a lower rod. The movable contact mounting seat of the handle operating mechanism of the group B circuit breaker unit is fixedly provided with a reset deflector rod, the reset deflector rod can push the indicating piece to rotate to realize the reset indication of the indicating piece when the circuit breaker is closed, after the circuit breaker is closed, the reset deflector rod is in interference fit with the indicating piece, at the moment, the upper end of the leakage lock catch is in interference fit with the locking boss of the indicating piece or exceeds the interference position with the locking boss of the indicating piece, a torsion spring is selected between the spring and the torsion spring, the torsion spring is sleeved on the first pin shaft, one end of the torsion spring is in interference with the indicating piece, the other end of the torsion spring is in interference with the leakage lock catch, a limiting boss for limiting the rotating angle of the indicating piece is arranged in the second mounting cavity, a notch is further arranged in the second mounting cavity, the lower end of the leakage lock catch is arranged at the notch, the inner wall of the notch is matched with the lower end of the leakage lock catch to limit the rotating stroke of the leakage lock catch, a sliding groove is arranged between two adjacent side surfaces of the A group breaker unit and the B group breaker unit, a leakage ejector rod is arranged in the sliding groove, a second end of the leakage ejector rod is bent, a bending part of the leakage ejector rod forms a deflector rod, the deflector rod is matched with a lock catch abutting foot of the A group breaker unit to push the lock catch abutting foot of the A group breaker unit to rotate so as to realize the disconnection of the breaker, an abutting edge is arranged on the indicator piece, the movable contact mounting seat of the group B circuit breaker unit is provided with a reset deflector rod which can push the indicating piece to rotate to realize reset indication in the switching-on process of the circuit breaker, 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 arranged in parallel in sequence, wherein the group A circuit breaker units are the first group of circuit breaker units, the group B circuit breaker units are the second group of circuit breaker units, four binding posts are respectively arranged at two side ends of the 4P electric leakage breaker, namely a first end and a second end, the four binding posts at the first end are respectively positioned at one ends of 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 which are respectively corresponding to each other, the four binding posts at the second end are arranged at one ends of the second group of breaker units, the third group of breaker units and the fourth group of breaker units, an electric leakage release is arranged at the corresponding one end of the first group of breaker units, a third installation cavity is arranged at the inner side of the four binding posts at the second end, and a current transformer is arranged in the third installation cavity.
2. The 4P leakage breaker with leakage indicating mechanism according to claim 1, wherein: one of the other three groups of breaker units except the B group of breaker units is provided with a test loop and a leakage circuit board power taking device, the test loop and the leakage circuit board power taking device comprise a button, a first conductive ring, a second conductive ring, a first power taking torsion spring and a second power 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 breaker unit, the first power taking torsion spring is sleeved on a third mounting column of the shell of the breaker unit, a first extension arm of the first power taking torsion spring is in contact with the second conductive ring to realize electric connection, a second extension arm of the first power taking torsion spring is arranged below the button and is correspondingly arranged with the first conductive ring, the second extension arm of the first power taking torsion spring is pressed down by the button to realize electric connection, the second power taking torsion spring is arranged on a fourth mounting column of the shell of the circuit breaker unit, a first extension arm of the second power taking torsion spring is electrically connected with a moving contact of the circuit breaker, a shifting lever is arranged on a moving contact mounting seat of a handle operating mechanism of the circuit breaker unit, the shifting lever is correspondingly arranged with a second extension arm of the second power taking torsion spring, when the circuit breaker is closed, the second extension arm of the second power taking torsion spring is in contact with a second conductive ring to realize electric connection, when the circuit breaker is disconnected, the shifting lever drives the second extension arm of the second power taking torsion 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 a leakage circuit board power taking device, the leakage circuit board power taking device comprises a leakage power taking torsion spring and a leakage power taking ring, the leakage power taking torsion spring and the leakage power taking ring are respectively arranged on shaft columns of the shell of the corresponding circuit breaker unit, the first end of the leakage electricity taking torsion spring is connected with a moving contact or a fixed contact of the circuit breaker unit, the second end of the leakage electricity taking torsion spring is abutted against the moving contact or the fixed contact of the circuit breaker unit, a disconnection deflector rod is arranged on a moving contact mounting seat of a handle operating mechanism of the corresponding circuit breaker unit, and when the circuit breaker is opened or tripped, the disconnection deflector rod is abutted against the second end of the leakage electricity taking torsion spring to form the second end of the leakage electricity taking torsion spring to be isolated from the leakage electricity taking ring.
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