CN100570789C - Circuit-breaker - Google Patents
Circuit-breaker Download PDFInfo
- Publication number
- CN100570789C CN100570789C CNB200710088332XA CN200710088332A CN100570789C CN 100570789 C CN100570789 C CN 100570789C CN B200710088332X A CNB200710088332X A CN B200710088332XA CN 200710088332 A CN200710088332 A CN 200710088332A CN 100570789 C CN100570789 C CN 100570789C
- Authority
- CN
- China
- Prior art keywords
- breaker
- circuit
- satellite device
- rod member
- inner satellite
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- H01H71/10—Operating or release mechanisms
- H01H71/50—Manual reset mechanisms which may be also used for manual release
- H01H71/52—Manual reset mechanisms which may be also used for manual release actuated by lever
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H23/00—Tumbler or rocker switches, i.e. switches characterised by being operated by rocking an operating member in the form of a rocker button
- H01H23/02—Details
- H01H23/12—Movable parts; Contacts mounted thereon
- H01H23/14—Tumblers
- H01H23/146—Tumblers having a generally tubular or conical elongated shape, e.g. dolly
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H23/00—Tumbler or rocker switches, i.e. switches characterised by being operated by rocking an operating member in the form of a rocker button
- H01H23/28—Tumbler or rocker switches, i.e. switches characterised by being operated by rocking an operating member in the form of a rocker button with three operating positions
- H01H23/30—Tumbler or rocker switches, i.e. switches characterised by being operated by rocking an operating member in the form of a rocker button with three operating positions with stable centre positions and one or both end positions unstable
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/015—Boards, panels, desks; Parts thereof or accessories therefor
- H02B1/04—Mounting thereon of switches or of other devices in general, the switch or device having, or being without, casing
- H02B1/056—Mounting on plugboards
Abstract
Circuit-breaker of the present invention stops the inner satellite device is installed under ON, OFF state, only under the situation of the state after circuit-breaker is in the tripping operation action, can insert and take out the inner satellite device, realizes guaranteeing the fail safe that the user operates.In the circuit-breaker of the recess of taking in inner satellite device (9) (1d) that forms in the both sides of the body shell (1b) of the circuit-breaker that operating grip (6) is clipped in the middle, as interlocking device, at circuit-breaker ON, under the OFF state, stop the inner satellite device is installed, only be under the state of tripping operation action at circuit-breaker, allow mounting or dismounting inner satellite device, dispose and disturb parts (6b), it is outstanding in described recess, be connected with the rod member (6a) of operating grip (6), at ON, OFF, the displacement of TRIP position, and disturb the ON of parts corresponding to this, OFF position, the pack case of inner satellite device (9) are provided with disturbs projection (9a).
Description
Technical field
The present invention relates to Inturruptor for sub-line, residual current circuit breaker etc. is the circuit-breaker of object, says in detail, relates to go up at the lid (cover) of body shell (case) container structure of the inner satellite device that forms.
Background technology
In above-mentioned Inturruptor for sub-line, residual current circuit breaker, the auxiliary equipment that uses selectively as user (user), as back dress selector, prepared the auxiliary switch (switch), alarm switch of ON, OFF, TRIP action with the mode indication circuit circuit breaker of electricity, from the signal of outside, make the shunt tripping device, undertension tripgear of circuit breaker trip (trip) etc.Corresponding therewith, covering of the body shell of circuit-breaker, have the incorporating section (depressed part) (for example with reference to patent documentation 1, patent documentation 2) that the accessory cover that is used to install above-mentioned various inner satellite devices has.
With the distribution circuit-breaker is example, and Fig. 4 represents its basic structure, and Fig. 5 represents to be equipped with on the body shell circuit-breaker housing profile of the incorporating section of inner satellite device.At first in Fig. 5,1 is body shell; 2 is fixed contact therefor; 3 is movable contact; 4 is movable contact support (holder); 5 for being connected toggle link (toggle link) the formula contact switch mechanism on the above-mentioned support 4; 6 is operating grip (handle), and 7 for inserting (1atch) seat; 8 are tripping operation crossbar (trip crossbar), and operating grip 6 is supported on framework (frame) 5a of switching mechanism by handle rod member (handle lever) 6a axle.The action of the circuit-breaker of above-mentioned formation is known, under the state that contact shown in Figure 5 is opened, if operating grip 6 is swung to the OFF position from ON, and the then elbow-bar mechanism of switching mechanism 5 counter-rotating action, movable contact 3 is opened.In addition, if receive the output signal of not shown overcurrent detecting device, the latch 5c of switching mechanism 5 is released, the elastic force of the switch spring 5b by such savings, and elbow-bar mechanism counter-rotating action, movable contact 3 is opened.Simultaneously, disconnect the action interlock with this, operating grip 6 from the ON position move to and the OFF position between the TRIP position and stop.Under the state of this tripping operation action, switch spring 5b discharges elastic force, becomes freedom (free) state.In addition, after tripping operation action, to drop into circuit-breaker again, operating grip 6 is shifted to the OFF position of an end, latch be resetted shift to the operation of ON position after (reset).In addition, not shown, trip button on circuit-breaker (trip button) is as standard facility, for pushing this trip button, makes the circuit-breaker action of tripping by the people.
In addition, as shown in Figure 6, the body shell 1 of circuit-breaker (casting resin housing) is made of housing 1a, lid 1b and accessory cover 1c, the mode that is clipped in the middle with the operating grip 6 that will be configured in central authorities on lid 1b forms the recess 1d of marsupial shape in its both sides, as the incorporating section of above-mentioned inner satellite device.The various inner satellite devices 9 of auxiliary switch, alarm switch, shunt tripping device, undertension tripgear etc. insert the assigned address of above-mentioned recess 1d with box (cassette) formula, install.In addition, accessory cover 1c is the lid that is used at the opening surface of the above-mentioned recess 1d of closed position over, and the one end is connected by hinge (hinge) and covers on the 1b.
On the other hand, with above-mentioned inner satellite device subsequent installation under the situation on the circuit-breaker, be under the ON state ("on" position) at circuit-breaker, inner satellite device 9 is installed on the recess 1d that covers 1b, worrying to make mistakenly finger to run into the charging position and get an electric shock, is dangerous.In addition, though at circuit-breaker under the OFF state, in the work of mounting or dismounting inner satellite device 9, the latch of switching mechanism (switch spring is in the state of savings energy) breaks away from, and causes uncertain tripping operation action.At this moment,, often worry that the actuator of inner satellite device damages, or operating personnel's finger is sandwiched in the elbow-bar mechanism and injured because of the impact of the counter-rotating action of following switching mechanism.Undertension tripgear particularly, owing to do not having to make circuit-breaker hold reset state under the voltage status, so even circuit-breaker under the OFF state, because when the undertension tripgear is installed, the switching mechanism action of tripping is so be dangerous.In contrast, if circuit-breaker is under the state that has carried out the tripping operation action, because under cold situation, the switch spring of switching mechanism is in the free state of not putting aside energy, can comprise the mounting or dismounting work of the various inner satellite devices of undertension tripgear safely.
So in above-mentioned patent documentation 2 disclosed circuit-breakers, the safety measure during as mounting or dismounting inner satellite device is used the claw with the latch interlock of switching mechanism shown in Figure 6, the accessory cover 1c card of body shell 1 is ended in off-position.Stop accessory cover to be opened under ON that adds at circuit-breaker and the OFF state, make and only under the tripping operation operate condition, can open accessory cover, can fully carry out inner satellite Unit Installation and taking-up.
No. 3097368 communique of [patent documentation 1] Japan Patent
[patent documentation 2] Japan Patent spy opens the 2000-3656 communique
Summary of the invention
But as the Security Countermeasures of installing and removing the inner satellite device on every side, disclosed mode stays following problem in the above-mentioned patent documentation 2 aspect processing operation.Just, the user for the handbook of not being proficient in the relevant method that the inner satellite device is installed by manually operating grip being carried out the OFF operation, under the state of open circuit circuit breaker, can not open accessory cover.Worry that thus the user misreads incomplete place is arranged in the shell structure.In addition, in the assembling of circuit-breaker, when checking, opening under the state of accessory cover, if operating personnel do not confirm the position of operating grip and are positioned at trip position, the inner satellite device then are installed, as mentioned above, often worry that because of uncertain tripping operation action finger is clamped and injured.In addition, opening under the state of accessory cover, also identical taking out from the incorporating section under the situation of inner satellite device with the above, if stopping under the state of ON or OFF position, operates operating grip, be dangerous.
In view of the above problems, the purpose of this invention is to provide a kind of circuit-breaker, even under the state that body shell is opened, circuit-breaker is under ON or OFF state, stop the inner satellite device is installed, only under the situation of the state after circuit-breaker is in the tripping operation action, can insert or take out the inner satellite device, realize guaranteeing the fail safe that the user operates.
In order to achieve the above object, circuit breaker in a circuit according to the invention, in the body shell that constitutes by housing and lid, taken in switching mechanism, operating grip one side at this lid is formed with the recess of taking in the inner satellite device, as under described circuit-breaker conducting and off-state, stoping the inner satellite Unit Installation, and the interlock (interlock) that only under the tripping operation operate condition, allows described inner satellite device to install and remove, in described recess, dispose highlightedly and connect described operating grip, and the interference parts that move to conducting and disconnection and trip position, and disturb the conducting and the open position of parts corresponding to this, the external shell of described inner satellite device is provided with and disturbs projection (inventive aspect 1), and these interference parts and interference projection specifically are made of following mode.
(1) above-mentioned interference parts are arranged on the handle rod member side of described operating grip, and outstanding rod member in the recess of lid disturbs the conducting and the open position of rod member corresponding to this, are provided with the interference projection in bottom one side of the external shell of inner satellite device.(inventive aspect 2).
(2) the interference rod member in the preceding paragraph (1) is arranged to stride across lower limb one side of the dividing wall of the recess that separates described lid and described handle, from the handle rod member side outstanding (inventive aspect 3) of operating grip.
According to above-mentioned formation, the user will after when the inner satellite device is installed, except the state of circuit-breaker, stop at the installation site that can not be pressed into regulation under the state that is switched on or switched off the position at operating grip in the tripping operation action.This is to run at the top of the outstanding interference rod member of this recess by the interference projection of the inner satellite device of the lid recess that will insert body shell to realize.In contrast, if the people is for making the circuit-breaker action of tripping, then because interference rod member and operating grip interlock move to trip position, so the interference of rod member without interruption can be pressed into assigned position with the inner satellite device and installs.And under the tripping operation operate condition of circuit-breaker, the main circuit contact is opened, and in addition, the switch spring of switching mechanism also becomes free state, so the inner satellite device can be installed safely.
Like this, the user can carry out the mounting or dismounting operation of inner satellite device safely, improves the handling property and the reliability of circuit-breaker.
Description of drawings
Fig. 1 is the structure chart of major part of the circuit-breaker of the embodiment of the invention, (a) being is the lid sectional view of the body shell at center with the operating grip, (b) being the stereogram of the operating grip rod member in (a), (c) is at the recess that covers formation profile stereogram that form, that be installed in the inner satellite device (undertension tripgear) in the recess.
Fig. 2 be expression for the interference rod member of Fig. 1, change the schematic diagram of stop position of the interference rod member of position corresponding to the action of circuit-breaker, (a) and (b), (c) they are respectively the schematic diagrames corresponding to OFF, ON, TRIP.
Fig. 3 is the schematic diagram of dependency relation of the interference rod member of the interference projection that is provided with on the inner satellite device of presentation graphs 1 (c) and Fig. 2 (a)～(c), (a) is the state diagram of ON, OFF, (b) is the state diagram of TRIP.
Fig. 4 is an outside drawing of opening the state of accessory cover in the circuit-breaker corresponding to Fig. 1.
Fig. 5 is the sectional view of illustration distribution with the formation of the circuit-breaker of circuit-breaker.
Fig. 6 is the outside drawing that expression is installed to the inner satellite device state in the body shell of circuit-breaker.
Label declaration
The body shell of 1 circuit-breaker (case of a body of circuit breaker)
1a housing (housing)
1b covers (cover)
1c accessory cover (auxiliary cover)
1d recess (sequestration site of inner satellite device) (concave portion (internalattached equipment housing))
6 operating grips (operating handle)
6a handle rod member (handle lever)
6b disturbs rod member (interference lever)
9 inner satellite devices (undertension tripgear) (internal attached equipment (undervoltage tripper))
9a disturbs projection (interference projection)
Embodiment
According to Fig. 1～embodiment shown in Figure 4, embodiments of the present invention are described below.Wherein, in Fig. 1～Fig. 4 of embodiment, adopt same-sign, omit its explanation with Fig. 5 and Fig. 6 corresponding components.
Just, in the circuit-breaker of the embodiment of Fig. 1～shown in Figure 4, shown in Fig. 1 (a)～(c), append to be provided with and disturb rod member 6b, it is with respect to the handle rod member 6a that is combined in the reverse U shape on the operating grip 6, and the inside of the recess 1d that forms to the lid 1b in body shell 1 near the front end lateral surface the axle fulcrum O is outstanding.This interference rod member 6b is the resin-molded component of the U font shown in the figure, and it installs the lateral surface that the bottom is fixed on handle rod member 6a, with the operating grip interlock.The U font slot part clamping of this interference rod member 6b is bearing on the dividing wall 1b-1, and the rod member portion of front end is arranged to, and strides across and dividing wall 1b-1 between the recess 1d (in abutting connection with the recess of operating grip 6) that forms of lid 1b from downside, and is outstanding to the inside of recess 1d.In addition, Fig. 4 swings to the OFF position with operating grip 6, opens the outside drawing of body shell 1 under the state of accessory cover 1c, and in the inside of facing the recess 1d that connects operating grip 6 one sides, above-mentioned interference rod member 6b is outstanding.In addition, in the example of Fig. 1～shown in Figure 4, disturb rod member 6b only to be arranged on the one-sided leg of handle rod member 6a of U font, but also can be arranged on the leg of both sides.In addition, interference rod member 6b is formed as one by the parts identical with handle rod member 6a.
On the other hand, be installed in the inner satellite device (in illustrated embodiment, being the undertension tripgear) 9 on the above-mentioned recess 1d, be formed with pair of right and left and disturb projection 9a, it is relative with above-mentioned interference rod member 6b, and is outstanding to the side from the bottom of external shell (resin-case).In addition, in Fig. 1 (c), 9b blocks the snap fit (Snap Fit) of ending at recess 1d with inner satellite device 9, and 9c is in the action of undertension tripgear, makes the operation rod member of circuit-breaker tripping operation.
In the above-described configuration,, disturb rod member 6b and operating grip interlock, move to the position I shown in the figure if operating grip 6 is swung to the OFF position shown in Fig. 2 (a).In addition, if operating grip 6 is swung to the ON position, disturb rod member 6b to move down the position II shown in Fig. 2 (b) from above-mentioned position I.In addition, under the tripping operation operate condition of circuit-breaker, shown in Fig. 2 (c), interference rod member 6b stops at the centre position III between above-mentioned position I and the II.
At Fig. 2 (a) with (b) under the OFF state shown in respectively and the ON state, make inner satellite device 9 be installed in body shell lid 1b and go up the recess 1d that forms.At this moment, shown in Fig. 3 (a), be arranged on the interference projection 9a on the external shell of inner satellite device 9, run into the top of interference rod member 6b outstanding in recess 1d, installation is prevented from.Can be to this by the artificial trip button etc. of pressing, make circuit-breaker trip the action state under, because tripping operation rod member 6b moves to the TRIP position III of Fig. 2 (c), so disturb outstanding 9a and disturb rod member 6b not disturb, inner satellite device 9 can be pressed into recess 1d, be installed on the assigned position.In addition, after inner satellite device 9 is installed to recess 1d, carry out operation, circuit-breaker is resetted operating grip 6 position → ON position from the TRIP position to OFF.In case reset, disturb rod member 6b just to move to the position II shown in Fig. 2 (b), so under this state,, can not extract with disturbing rod member 6b interference because of disturbing projection 9a even inner satellite device 9 will be extracted from recess 1d from the position I shown in Fig. 2 (a).
Therefore, when mounting or dismounting inner satellite device 9,, can not under ON or OFF state, directly install and remove inner satellite device 9 in case make circuit-breaker artificially in the scope of action that do not trip.The accidents such as actuator damage that so just can prevent finger injuries or inner satellite device take place, and make circuit-breaker carry out can carrying out the mounting or dismounting operation of inner satellite device safely under the state of tripping operation action.
Claims (3)
1. circuit-breaker is being taken in switching mechanism in the body shell that is made of housing and lid, be formed with the recess of taking in the inner satellite device in operating grip one side of this lid, it is characterized in that:
As under described circuit-breaker conducting, off-state, stoping the inner satellite Unit Installation, and the interlock that only under the tripping operation operate condition, allows described inner satellite device to install and remove, in described recess, dispose highlightedly and connect described operating grip, and the interference parts that move with trip position are opened in the guide switching, and corresponding to this conducting, open position that disturbs parts, the external shell of described inner satellite device is provided with the interference projection.
2. circuit-breaker as claimed in claim 1 is characterized in that:
Described interference parts are arranged on the handle rod member side of described operating grip, the rod member of in the recess of lid, giving prominence to, disturb conducting, the open position of rod member corresponding to this, be provided with described interference projection in bottom one side of the external shell of described inner satellite device.
3. circuit-breaker as claimed in claim 2 is characterized in that:
Described interference rod member is arranged to stride across lower limb one side of the dividing wall of the recess that separates described lid and described handle, and is outstanding from the handle rod member side of described operating grip.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006105828 | 2006-04-07 | ||
| JP2006105828A JP4830595B2 (en) | 2006-04-07 | 2006-04-07 | Circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101055822A CN101055822A (en) | 2007-10-17 |
| CN100570789C true CN100570789C (en) | 2009-12-16 |
Family
ID=38682007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB200710088332XA Active CN100570789C (en) | 2006-04-07 | 2007-03-15 | Circuit-breaker |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP4830595B2 (en) |
| KR (1) | KR100858589B1 (en) |
| CN (1) | CN100570789C (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011222730A (en) * | 2010-04-09 | 2011-11-04 | Sony Corp | Detachment structure of electronic equipment unit, electronic equipment unit, power supply unit, and electronic unit device |
| JP5574948B2 (en) * | 2010-12-27 | 2014-08-20 | 三菱電機株式会社 | Circuit breaker |
| KR200477244Y1 (en) * | 2011-02-22 | 2015-05-22 | 엘에스산전 주식회사 | Circuit breaker |
| JP7302498B2 (en) * | 2020-02-12 | 2023-07-04 | 富士電機機器制御株式会社 | circuit breaker |
| CN114200291B (en) * | 2021-11-10 | 2024-01-23 | 天航长鹰(江苏)科技有限公司 | High-voltage circuit breaker dynamic contact resistance testing device with extensible function |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4913503A (en) * | 1988-10-07 | 1990-04-03 | General Electric Company | Molded case circuit breaker actuator-accessory unit reset mechanism |
| JP3097368B2 (en) * | 1991-12-27 | 2000-10-10 | 富士電機株式会社 | Circuit breaker |
| JP2001060429A (en) * | 1999-08-23 | 2001-03-06 | Fuji Electric Co Ltd | Circuit breaker |
| KR100516944B1 (en) * | 2003-12-26 | 2005-09-23 | 엘에스산전 주식회사 | Interlocking structure of lead starting under voltage trip gear |
-
2006
- 2006-04-07 JP JP2006105828A patent/JP4830595B2/en active Active
-
2007
- 2007-03-05 KR KR1020070021401A patent/KR100858589B1/en active IP Right Grant
- 2007-03-15 CN CNB200710088332XA patent/CN100570789C/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| JP2007280777A (en) | 2007-10-25 |
| JP4830595B2 (en) | 2011-12-07 |
| KR20070100633A (en) | 2007-10-11 |
| KR100858589B1 (en) | 2008-09-17 |
| CN101055822A (en) | 2007-10-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: FUJI ELECTRIC ASSETS MANAGEMENT CO., LTD. Free format text: FORMER OWNER: FUJI ELECTRIC MACHINE SYSTEM CO., LTD. Effective date: 20090515 Owner name: FUJI ELECTRIC MACHINE SYSTEM CO., LTD. Free format text: FORMER OWNER: FUJI ELECTRIC ASSETS MANAGEMENT CO., LTD. Effective date: 20090515 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20090515 Address after: Tokyo, Japan Applicant after: Fuji electric Asset Management Co. Address before: Tokyo, Japan Applicant before: FUJI ELECTRIC FA COMPONENTS & SYSTEMS Co.,Ltd. Effective date of registration: 20090515 Address after: Tokyo, Japan Applicant after: FUJI ELECTRIC FA COMPONENTS & SYSTEMS Co.,Ltd. Address before: Tokyo, Japan Applicant before: Fuji electric Asset Management Co. |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: Saitama Prefecture, Japan Patentee after: FUJI ELECTRIC FA COMPONENTS & SYSTEMS Co.,Ltd. Address before: Tokyo, Japan Patentee before: FUJI ELECTRIC FA COMPONENTS & SYSTEMS Co.,Ltd. |
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| CP02 | Change in the address of a patent holder |