CN110473749B - Utilize residual current cooperation magnetization to pull cutting action circuit breaker that warns - Google Patents
Utilize residual current cooperation magnetization to pull cutting action circuit breaker that warns Download PDFInfo
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- CN110473749B CN110473749B CN201910817793.9A CN201910817793A CN110473749B CN 110473749 B CN110473749 B CN 110473749B CN 201910817793 A CN201910817793 A CN 201910817793A CN 110473749 B CN110473749 B CN 110473749B
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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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/12—Means for earthing parts of switch not normally conductively connected to the contacts
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Abstract
The invention discloses an action breaker for warning cutting by using residual current in cooperation with magnetization traction, which structurally comprises an electric connecting rod, an air breaker, a breaking starting rod and a current traction device, wherein an extrusion rotary rod is connected with the electric connecting rod by using the jumping of a main contact during breaking, a movable magnetization device completes a closed loop with a zero line, and at the moment, if the air breaker is in a current leakage state, the current on the zero line is transmitted to a fixed vertical rod through the electric connecting rod, so that a magnetization ring generates a strong magnetic field to attract an electromagnetic block to do cutting magnetic induction line movement, an alarm lamp flickering action is realized, a user is reminded of the electric leakage of the air breaker, the electric shock hidden danger is avoided to the maximum extent, accidents are avoided, the current and the voltage are unstable after breaking, larger floating occurs, the attraction force of the magnetization ring continuously changes, and the cutting magnetic induction line movement can be continuously or discontinuously performed under the pulling of a telescopic rod, avoid directly being connected alarm lamp and main circuit, prevent that the heavy current after the electric leakage from directly damaging the warning light.
Description
Technical Field
The invention relates to an action circuit breaker for warning cutting by utilizing residual current in cooperation with magnetization traction, and belongs to the field of household circuit breakers.
Background
The electric energy is as one of the indispensable energy of daily life, and the domestic electricity divide into live wire and zero line when connecting, and both connect through air circuit breaker, and when the electric current was too big, air circuit breaker can be automatic through a series of mechanical transmission, makes live wire and zero line separation, realizes the guard action, but ageing when air circuit breaker, perhaps card blunt phenomenon appears in the part, and the switch spiral axis resumes this moment, but actual live wire still is being connected with the zero line.
However, the existing circuit breaker has the following disadvantages:
the air circuit breaker is a simple protection circuit, and after the air circuit breaker is used for a long time, the part aging phenomenon can occur, the transmission of parts which are easy to trip is blocked, the switch rotating shaft appears to jump on the surface, but the actual internal parts still enable the live wire and the zero line to have a connection relation, namely, the circuit breaker has an electric leakage phenomenon, and a response disconnection warning device is not provided, so that a user is easy to get an electric shock, and the life is threatened.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide an action circuit breaker for warning cutting by utilizing residual current matched magnetization traction, so as to solve the problems that an air circuit breaker is only used for simply protecting a circuit, part aging phenomenon can occur after the air circuit breaker is used for a long time, the transmission of parts for tripping action is easy to be blocked, the surface shows that a switch rotating shaft is jumped, but actual internal parts still enable a live wire and a zero line to have a connection relation, namely the circuit breaker is in electric leakage phenomenon, a circuit breaking warning device is not responded, and a user is easy to get an electric shock, so that the life is threatened.
In order to achieve the purpose, the invention is realized by the following technical scheme: an action circuit breaker for warning cutting by utilizing residual current to cooperate with magnetization traction comprises an electric connecting rod, an air circuit breaker, a breaking starting rod and a current traction device, wherein the inside of the left end of the electric connecting rod is electrically connected with the inside of the air circuit breaker;
the current traction device comprises magnetization warning device, regulating box, earthing rod, magnetization warning device front end is connected through the locating pin with the regulating box right-hand member, the regulating box rear end is laminated mutually with magnetization warning device inner wall, magnetization warning device bottom link up with the earthing rod top mutually, the earthing rod top is connected for the electricity with magnetization warning device is inside, and magnetization warning device shell passes through the earthing rod and realizes ground connection, avoids the shell to appear leaking electricity as far as possible, prevents that personnel from missing and touching.
Preferably, the magnetization warning device comprises a movable magnetization device, an electromagnet and a flashing alarm device, wherein the left end of the movable magnetization device is fixedly connected with the right end of an electric connecting rod, the right end of the top of the movable magnetization device is attached to the left end of the bottom of the electromagnet, the left end of the top of the electromagnet is in clearance fit with the right end of a circuit breaking starting rod, a certain clearance exists between the left end of the flashing alarm device and the right end of the movable magnetization device, a touch switch is arranged at the top of the electromagnet, the electromagnet is electrified through impact of the circuit breaking starting rod, and meanwhile, a rubber block is installed at the top end of a push rod at the left end of the electromagnet, so that when electric leakage.
The best, the activity magnetization unit comprises fixed clamp splice, activity clamp splice, extrusion swing arm, fixed montant, magnetization circle, fixed clamp splice right-hand member welds with fixed montant bottom left end, fixed montant top is connected through the locating pin with extrusion swing arm bottom, extrusion swing arm left end bonds with the activity clamp splice right end, fixed montant middle-end is link up mutually with magnetization circle middle-end, and fixed montant bottom is wrapped up by the block rubber, prevents that fixed montant from touching magnetization warning device shell, and the electric connecting rod of activity clamp splice left end and upper end agrees with mutually simultaneously, and when the touching of activity clamp splice and electric connecting rod, closed loop is accomplished with the zero line to the activity magnetization unit.
Preferably, the flashing alarm device consists of an alarm lamp and a cutting power transmission device, the inside of the alarm lamp is electrically connected with the inside of the cutting power transmission device, the alarm lamp supplies power through the cutting power transmission device, and the power demand is small.
Best, cutting power transmission device comprises electromagnetism piece, connector, telescopic link, U type magnet, electromagnetism piece side and the high-end fixed connection in the connector middle-aged, the connector middle-end is mechanical connection with the telescopic link left end, U type magnet inner wall is clearance fit with the electromagnetism piece outer wall, and the electromagnetism piece can receive the attraction of magnetization circle and slip left, does cutting magnetic induction line action this moment, because the back leakage current voltage that opens circuit is unstable, appears great floating, and magnetization circle appeal continuously changes this moment, under the pulling of telescopic link, sustainable or be interrupted and do cutting magnetic induction line motion, adopt the connecting wire to be connected between connector and the alarm lamp simultaneously, can make the microcurrent of production pass through.
Preferably, the telescopic rod is arranged at an upper position and a lower position and is respectively connected with the upper end and the lower end of the electromagnetic block.
Preferably, the left end of the circuit breaking starting rod is connected with a main contact inside the air circuit breaker, and the main contact pushes the circuit breaking starting rod to slide rightwards during circuit breaking.
Advantageous effects
When in use, the air circuit breaker is normally installed with a live wire and a zero line, a main contact is arranged in the air circuit breaker and is a movable spring rod for connecting the live wire and the zero line, an electric connecting rod is connected with the zero line in the air circuit breaker, after the air circuit breaker is disconnected, a rotary shaft at the left end of the air circuit breaker rotates to separate the live wire from the zero line, protection is realized, meanwhile, the main contact pushes a circuit breaking starting rod to slide right and impact an electromagnet (the top of which is provided with a touch switch) to realize the circuit breaking, the electromagnet is electrified, meanwhile, a rubber block is arranged at the top end of a push rod at the left end of the electromagnet, when electric leakage is prevented, a strong current damages the electromagnet, after the electromagnet is started, the extrusion rotary rod is pushed leftwards to be a base point with the top of a fixed vertical rod and rotates anticlockwise, after the extrusion rotary rod rotates, the inner wall is connected with the electric connecting rod, a movable magnetizing device and the zero line, at the moment, if the air circuit breaker is in a leakage state, the internal zero line and the live wire are not completely separated, the current on the zero line is transmitted to the fixed vertical rod through the electric connecting rod, so that the magnetizing ring generates a strong magnetic field to further attract the electromagnetic block, the electromagnetic block receives traction force to overcome the defect that the telescopic rod slides leftwards, meanwhile, the electromagnetic block is vertically positioned in the middle of the U-shaped magnet, and micro current is generated during sliding and is transmitted to the alarm lamp through the connector, because the leakage current voltage is unstable after the circuit is broken and large floating occurs, the attraction force of the magnetizing ring continuously changes at the moment, the magnetic induction wire cutting motion can be continuously or discontinuously performed under the pulling of the telescopic rod, the generated micro current can pass through the connecting wire between the connector and the alarm lamp, meanwhile, the alarm lamp supplies power through the cutting power transmission device, the electric quantity is small, and when the current provided by cutting, compared with continuous illumination, the LED lamp can provide warning effect for users.
Compared with the prior art, the invention has the following advantages:
1. the utilization is beated of main contact when opening circuit, make extrusion swing arm and electric link rod be connected, closed circuit is accomplished with the zero line to activity magnetization unit, if air circuit breaker is the leakage state this moment, then inside zero line and live wire do not have thorough separation, the current on the zero line passes through the electric connecting rod and transmits fixed montant this moment, make the magnetization circle produce strong magnetic field, and then attract the electromagnetic block, do the motion of cutting magnetic induction line, realize the alarm lamp scintillation action, and then remind user's air circuit breaker electric leakage, the hidden danger of electrocution is avoided to the biggest dynamics, avoid the emergence of accident.
2. Because the leakage current after the circuit is broken is unstable in voltage and greatly floats, the attraction force of the magnetizing ring continuously changes at the moment, and the cutting magnetic induction line can be continuously or discontinuously moved under the pulling of the telescopic rod, so that the alarm lamp is prevented from being directly connected with the main circuit, and the alarm lamp is prevented from being directly damaged by large current after the leakage.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic structural diagram of an action circuit breaker using residual current in cooperation with magnetization, traction and cutting warning according to the present invention;
FIG. 2 is a front view of the current draw apparatus of the present invention;
FIG. 3 is an elevational, cross-sectional view of the current draw apparatus of the present invention;
FIG. 4 is a front sectional view of the movable magnetization unit according to the present invention;
FIG. 5 is a front sectional view of the flashing light warning device of the present invention;
FIG. 6 is an enlarged view of the cutting power transmission device of FIG. 5 in accordance with the present invention;
fig. 7 is a top sectional view of the cutting power transmission device of the present invention.
In the figure: the device comprises an electric connecting rod-1, an air circuit breaker-2, a circuit breaking starting rod-3, a current traction device-4, a magnetization warning device-40, an adjusting box-41, a grounding rod-42, a movable magnetization device-401, an electromagnet-402, a flash alarm device-403, an alarm lamp-4031, a cutting power transmission device-4032, a fixed clamping block-4011, a movable clamping block-4012, a squeezing rotary rod-4013, a fixed vertical rod-4014, a magnetization ring-4015, an alarm lamp-4031, a cutting power transmission device-4032, an electromagnetic block-A1, a connecting head-A2, a telescopic rod-A3 and a U-shaped magnet-A4.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Referring to fig. 1-2, the present invention provides a technical solution of an action circuit breaker using residual current in cooperation with magnetization, traction, cutting and warning: the structure of the air circuit breaker comprises an electric connecting rod 1, an air circuit breaker 2, a breaking starting rod 3 and a current traction device 4, wherein the inside of the left end of the electric connecting rod 1 is electrically connected with the inside of the air circuit breaker 2, the inside of the upper end of the air circuit breaker 2 is movably connected with the left end of the breaking starting rod 3, the right end of the breaking starting rod 3 is attached to the top of the current traction device 4, the left end of the current traction device 4 is welded with the right end of the electric connecting rod 1, a main contact is arranged inside the air circuit breaker 2, the electric connecting rod 1 is connected with a zero line inside the air circuit breaker 2 for connecting a live wire and the zero line, and after the air circuit breaker 2 is broken, a rotary shaft at the left end of the air circuit breaker 2 rotates at the moment, so that;
please refer to fig. 2, the current traction device 4 is composed of a magnetization warning device 40, an adjusting box 41 and a grounding rod 42, the front end of the magnetization warning device 40 is connected with the right end of the adjusting box 41 through a positioning pin, the rear end of the adjusting box 41 is attached to the inner wall of the magnetization warning device 40, the bottom of the magnetization warning device 40 is communicated with the top of the grounding rod 42, the top of the grounding rod 42 is electrically connected with the inside of the magnetization warning device 40, the shell of the magnetization warning device 40 is grounded through the grounding rod 42, electric leakage of the shell is avoided as much as possible, personnel are prevented from being touched by mistake, the adjusting box 41 adopts a box door opening and closing structure, and the position distance between the magnetization ring 4015 and the electromagnetic block a1 is conveniently adjusted.
Referring to fig. 3, the magnetization warning device 40 is composed of a movable magnetization device 401, an electromagnet 402, and a flashing warning device 403, the left end of the movable magnetization device 401 is fixedly connected to the right end of the electric connection rod 1, the right end of the top of the movable magnetization device 401 is attached to the left end of the bottom of the electromagnet 402, the left end of the top of the electromagnet 402 is in clearance fit with the right end of the trip start lever 3, a certain clearance exists between the left end of the flashing warning device 403 and the right end of the movable magnetization device 401, a touch switch is disposed on the top of the electromagnet 402, the electromagnet 402 is powered on by the impact of the trip start lever 3, and a rubber block is disposed on the top of the push lever at the left end of the electromagnet 402 to prevent the electromagnet 402 from being damaged by a strong current when a current leaks, and the push lever 4013 is pushed to the left after the electromagnet 402 is.
Referring to fig. 4, the movable magnetization device 401 is composed of a fixed clamp block 4011, a movable clamp block 4012, an extrusion rotating rod 4013, a fixed vertical rod 4014, and a magnetization ring 4015, wherein the right end of the fixed clamp block 4011 is welded to the left end of the bottom of the fixed vertical rod 4014, the top of the fixed vertical rod 4014 is connected to the bottom of the extrusion rotating rod 4013 through a positioning pin, the left end of the extrusion rotating rod 4013 is bonded to the right end of the movable clamp block 4012, the middle end of the fixed vertical rod 4014 is connected to the middle end of the magnetization ring 4015, the bottom of the fixed vertical rod 4014 is wrapped by a rubber block to prevent the fixed vertical rod 4014 from touching the housing of the magnetization warning device 40, and the left end of the movable clamp block 4012 is engaged with the electrical connecting rod 1 at the upper end, when the movable clamp block 4012 touches the electrical connecting rod 1, the movable magnetization device 401 and a zero line complete a closed circuit, the inner wall of the extrusion rotating rod 4013 is connected to the, the internal zero line and the live line are not completely separated, and the current on the zero line is transmitted to the fixed vertical rod 4014 through the electric connecting rod 1, so that the magnetizing ring 4015 generates a strong magnetic field to attract the electromagnetic block A1.
Referring to fig. 5, the flashing alarm device 403 is composed of a alarm lamp 4031 and a cutting power transmission device 4032, the interior of the alarm lamp 4031 is electrically connected with the interior of the cutting power transmission device 4032, the alarm lamp 4031 is powered by the cutting power transmission device 4032, the power demand is small, when the current provided by cutting continuously changes, the alarm lamp 4031 flickers, and compared with continuous lighting, the flashing alarm device can provide a warning effect for a user.
Referring to fig. 6-7, the cutting power transmission device 4032 includes an electromagnetic block a1, a connector a2, a telescopic rod A3, and a U-shaped magnet A4, the side end of the electromagnetic block a1 is fixedly connected to the middle-aged high end of the connector a2, the middle end of the connector a2 is mechanically connected to the left end of the telescopic rod A3, the inner wall of the U-shaped magnet A4 is in clearance fit with the outer wall of the electromagnetic block a1, the electromagnetic block a1 is attracted by the magnetizing coil 4015 to slide to the left, and at this time, the magnetic coil 4015 is operated to cut magnetic induction lines, because the leakage current after the disconnection is unstable, and the leakage current is large, the magnetic induction line is floated, the attraction force of the magnetizing coil 4015 is continuously changed, the magnetic induction line can be continuously or discontinuously cut under the pull of the telescopic rod A3, and the connector a2 is connected to the alarm lamp 4031 by a connection line, so that the generated micro current can pass through, the electromagnetic block a1 receives the traction force, overcomes the leftward sliding of the telescopic rod, when sliding, a micro current is generated and transmitted to the alarm lamp 4031 through the connector A2.
The telescopic rod A3 is arranged at an upper position and a lower position and is respectively connected with the upper end and the lower end of the electromagnetic block A1.
The left end of the circuit breaking starting rod 3 is connected with a main contact inside the air circuit breaker 2, and the main contact pushes the circuit breaking starting rod 3 to slide rightwards during circuit breaking.
When the electromagnetic switch is used, the air circuit breaker 2 and a live wire and a zero line are normally installed, a main contact is arranged inside the air circuit breaker 2, a movable spring rod for connecting the live wire and the zero line is arranged, an electric connection rod 1 is connected with the zero line inside the air circuit breaker 2, after the air circuit breaker 2 is broken, a rotary shaft at the left end of the air circuit breaker 2 rotates at the moment, the live wire and the zero line are separated, protection is achieved, meanwhile, the main contact pushes a circuit breaking starting rod 3 to slide right and impact an electromagnet 402 (the top of the circuit breaking starting rod is provided with a touch switch) to achieve the effect, the electromagnet 402 is electrified, meanwhile, a rubber block is installed at the top end of a pushing rod at the left end of the electromagnet 402, when electric leakage is prevented, the electromagnet 402 is damaged by high current, after the electromagnet 402 is started, the extrusion rotary rod 4013 is pushed to the left, the extrusion rotary rod is used as a base point with the top of a fixed vertical rod 4014, the extrusion rotary rod 4013 rotates anticlockwise, the inner wall of the Connected), if the air circuit breaker 2 is in a leakage state, the internal zero line and the internal live line are not completely separated, at the moment, the current on the zero line is transmitted to the fixed vertical rod 4014 through the electric connecting rod 1, so that the magnetizing ring 4015 generates a strong magnetic field to further attract the electromagnetic block A1, the electromagnetic block A1 receives traction force to overcome the defect that the telescopic rod A3 slides leftwards, meanwhile, the electromagnetic block A1 is vertically positioned in the middle of the U-shaped magnet A4 and generates micro current when sliding, and the micro current is transmitted to the alarm lamp 4031 through the connector A2, and the voltage of the leakage current is unstable after circuit breaking, so that the large floating occurs, the attraction force of the magnetizing ring 4015 is continuously changed, the cutting magnetic induction line can be continuously or discontinuously moved under the pulling of the telescopic rod A3, (the connector A2 is connected with the alarm lamp 4031 through a connecting line, so that the generated micro current can pass), meanwhile, the alarm lamp 4031, when the current provided by cutting continuously changes, the alarm lamp 4031 can twinkle, and compared with the continuous illumination, the alarm lamp can provide warning for users.
The invention solves the problems that an air circuit breaker only simply protects a circuit, part aging phenomenon can occur after the air circuit breaker is used for a long time, the transmission of parts for tripping action is easily blocked, a switch rotary shaft appears to jump on the surface, but actual internal parts still enable a live wire and a zero wire to have a connection relation, namely, the circuit breaker has an electric leakage phenomenon, a circuit breaking alarm device is not responded, and a user is easily subjected to electric shock and life is threatened, through the mutual combination of the parts, the extrusion rotary rod is connected with an electric connecting rod by utilizing the jumping of a main contact when the circuit is broken, a movable magnetizing device and a zero wire complete a closed circuit, at the moment, if the air circuit breaker is in an electric leakage state, the internal zero wire and the live wire are not completely separated, at the moment, the current on the zero wire is transmitted to a fixed vertical rod through a connecting rod, a magnetizing ring generates a strong magnetic field, further attracts an electromagnetic block to do, and then remind the user air circuit breaker electric leakage, the biggest dynamics avoids electrocuteeing hidden danger, avoids the emergence of accident, because the back leakage current voltage that opens circuit is unstable, appears great floating, and the magnetic ring appeal continuous change this moment, under pulling of telescopic link, sustainable or be interrupted and do the motion of cutting magnetic induction line, avoid directly being connected alarm lamp and main circuit, prevent that the heavy current after the electric leakage directly damages the warning lamp.
The foregoing merely illustrates the principles and preferred embodiments of the invention and many variations and modifications may be made by those skilled in the art in light of the foregoing disclosure, which are intended to be within the scope of the invention.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The utility model provides an utilize residual current cooperation magnetization to pull action circuit breaker that cutting was warned, its structure includes electric connecting rod (1), air circuit breaker (2), break circuit actuating lever (3), electric current draw gear (4), its characterized in that:
the inside of the left end of the electric connecting rod (1) is electrically connected with the inside of the air circuit breaker (2), the inside of the upper end of the air circuit breaker (2) is movably connected with the left end of the breaking starting rod (3), the right end of the breaking starting rod (3) is attached to the top of the current traction device (4), and the left end of the current traction device (4) is welded with the right end of the electric connecting rod (1);
the current traction device (4) is composed of a magnetization warning device (40), an adjusting box (41) and a grounding rod (42), the front end of the magnetization warning device (40) is connected with the right end of the adjusting box (41) through a positioning pin, the rear end of the adjusting box (41) is attached to the inner wall of the magnetization warning device (40), the bottom of the magnetization warning device (40) is communicated with the top of the grounding rod (42), and the top of the grounding rod (42) is electrically connected with the inside of the magnetization warning device (40);
the magnetization warning device (40) is composed of a movable magnetization device (401), an electromagnet (402) and a flash alarm device (403), wherein the left end of the movable magnetization device (401) is fixedly connected with the right end of the electric connecting rod (1), the right end of the top of the movable magnetization device (401) is attached to the left end of the bottom of the electromagnet (402), the left end of the top of the electromagnet (402) is in clearance fit with the right end of the circuit breaking starting rod (3), and a certain gap exists between the left end of the flash alarm device (403) and the right end of the movable magnetization device (401).
2. The action circuit breaker using residual current to cooperate with magnetization traction cutting warning as claimed in claim 1, characterized in that: activity magnetization unit (401) comprises fixed clamp splice (4011), activity clamp splice (4012), extrusion swinging arm (4013), fixed montant (4014), magnetization circle (4015), fixed clamp splice (4011) right-hand member welds with fixed montant (4014) bottom left end, fixed montant (4014) top is connected through the locating pin with extrusion swinging arm (4013) bottom, extrusion swinging arm (4013) left end bonds with activity clamp splice (4012) right-hand member mutually, fixed montant (4014) middle-end is link up with magnetization circle (4015) middle-end mutually.
3. The action circuit breaker using residual current to cooperate with magnetization traction cutting warning as claimed in claim 1, characterized in that: the flash alarm device (403) consists of an alarm lamp (4031) and a cutting power transmission device (4032), and the interior of the alarm lamp (4031) is electrically connected with the interior of the cutting power transmission device (4032).
4. The action circuit breaker using residual current to cooperate with magnetization traction cutting warning as claimed in claim 3, characterized in that: cutting transmission of electricity device (4032) comprises electromagnetism piece (A1), connector (A2), telescopic link (A3), U type magnet (A4), electromagnetism piece (A1) side and connector (A2) middle-aged high-end fixed connection, connector (A2) middle-end is mechanical connection with telescopic link (A3) left end, U type magnet (A4) inner wall is clearance fit with electromagnetism piece (A1) outer wall.
5. The action circuit breaker using residual current to cooperate with magnetization traction cutting warning as claimed in claim 4, characterized in that: the telescopic rod (A3) is arranged at an upper position and a lower position and is respectively connected with the upper end and the lower end of the electromagnetic block (A1).
6. The action circuit breaker using residual current to cooperate with magnetization traction cutting warning as claimed in claim 1, characterized in that: the left end of the circuit breaking starting rod (3) is connected with a main contact inside the air circuit breaker (2), and the main contact pushes the circuit breaking starting rod (3) to slide rightwards during circuit breaking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910817793.9A CN110473749B (en) | 2019-08-30 | 2019-08-30 | Utilize residual current cooperation magnetization to pull cutting action circuit breaker that warns |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910817793.9A CN110473749B (en) | 2019-08-30 | 2019-08-30 | Utilize residual current cooperation magnetization to pull cutting action circuit breaker that warns |
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| Publication Number | Publication Date |
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| CN110473749A CN110473749A (en) | 2019-11-19 |
| CN110473749B true CN110473749B (en) | 2021-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910817793.9A Active CN110473749B (en) | 2019-08-30 | 2019-08-30 | Utilize residual current cooperation magnetization to pull cutting action circuit breaker that warns |
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| CN114137336B (en) * | 2021-11-16 | 2023-06-27 | 江西伟德智能电气有限公司 | Safety performance detection device of power distribution cabinet |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106688069A (en) * | 2014-09-08 | 2017-05-17 | 沙尔特克有限公司 | Overvoltage protection in modular design |
| CN206961760U (en) * | 2017-04-14 | 2018-02-02 | 上海麦豆电气有限公司 | Automatic fault detection and the reclosing shown with liquid crystal display after a kind of tripping operation |
| CN209232707U (en) * | 2019-01-22 | 2019-08-09 | 浙江明晖智能电气有限公司 | Deferred mount applied to electromagnetic-type leakage circuit breaker |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02181334A (en) * | 1989-01-05 | 1990-07-16 | Tadao Kimura | Overcurrent alarm device |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106688069A (en) * | 2014-09-08 | 2017-05-17 | 沙尔特克有限公司 | Overvoltage protection in modular design |
| CN206961760U (en) * | 2017-04-14 | 2018-02-02 | 上海麦豆电气有限公司 | Automatic fault detection and the reclosing shown with liquid crystal display after a kind of tripping operation |
| CN209232707U (en) * | 2019-01-22 | 2019-08-09 | 浙江明晖智能电气有限公司 | Deferred mount applied to electromagnetic-type leakage circuit breaker |
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