CN1205535A - Operating device of electrical protection apparatus such as circuit breaker comprising means for indicating tripping, and circuit breaker equipped with such device - Google Patents
Operating device of electrical protection apparatus such as circuit breaker comprising means for indicating tripping, and circuit breaker equipped with such device Download PDFInfo
- Publication number
- CN1205535A CN1205535A CN98116076.XA CN98116076A CN1205535A CN 1205535 A CN1205535 A CN 1205535A CN 98116076 A CN98116076 A CN 98116076A CN 1205535 A CN1205535 A CN 1205535A
- Authority
- CN
- China
- Prior art keywords
- handle
- executor
- pallet
- block
- contact
- 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.)
- Granted
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Classifications
-
- 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
- H01H71/526—Manual reset mechanisms which may be also used for manual release actuated by lever the lever forming a toggle linkage with a second lever, the free end of which is directly and releasably engageable with a contact structure
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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
- H01H2071/046—Means for indicating condition of the switching device exclusively by position of operating part, e.g. with additional labels or marks but no other movable indicators
-
- 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
- H01H71/62—Manual reset mechanisms which may be also used for manual release with means for preventing resetting while abnormal condition persists, e.g. loose handle arrangement
Landscapes
- Breakers (AREA)
- Emergency Protection Circuit Devices (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
A manipulator for an electrical protection device such as a circuit breaker and the like, and a circuit breaker provided with the manipulator, are provided. In the manipulator, a movable contact (3) of the circuit breaker can be manually started by a handle (5) and automatically started by a mechanism (M), the mechanism (M) comprises: a plate (9), a trip device and a device for indicating a trip state of the circuit breaker. The trip indicating device (S) includes a detent (13) mounted on the handle (5) which is cooperated with a barrier block (14) provided on a part of the mechanism (M) so as to hold the handle in a middle position during an opening process of the handle after an automatic trip is resulted by breaking a mechanical connection between the handle (5) and the plate (9).
Description
The present invention relates to the executor in the insulation shell of being contained in of electric protective equipment such as a kind of circuit-breaker; it comprises pair of contact; one of them is a moving contact for one of fixed contact; described moving contact can manually boot by the handle that is pivoted between the closing of contact and the open position; this handle is got back to open position by the spring of handle; also can start automatically by a mechanism, this mechanism comprises:
The supporting member of moving contact, rotation is installed between above-mentioned two positions and by transmission device and links to each other with handle, thereby forms the mechanical connection that disconnects between this supporting member and the handle;
Trip gear when electric fault occurring,, is caused the automatic dropout of this mechanism and separating of contact, and is independent of handle to disconnect mechanical connection by the control of dropout part;
Trip gear is retracted the device of desired location, and this mechanism can automatically reset when handle is shown in an open position;
The device of the trip status of the centre position indicating circuit circuit breaker by handle.
As patent EP 352,679 and DE 4,122,268 described circuit-breakers is known, comprises this automatic dropout indicating device.These devices generally include extention, as fixedly secure on device housings and cooperate handle is remained on the block in centre position with the element of mechanism.
The invention provides a kind of executor of circuit-breaker, comprise dropout indicating device simple in structure, and have the circuit-breaker of this executor.
For this reason, the objective of the invention is to obtain a kind of aforesaid executor, it is characterized in that, this indicating device comprises the pallet that is installed on the handle, cooperate with the block on the part that is arranged on said mechanism, so that after the mechanical connection between handle and the supporting member disconnects and causes threading off automatically, in the opening procedure at handle handle is remained on the centre position.
According to a particular embodiment of the invention, above-mentioned block is arranged on the supporting member.
By the detailed description of the accompanying drawing that provides as example with reference to following, other advantage of the present invention and characteristics will be clearer, wherein:
Fig. 1 is in the end view of contact closure condition for the executor of specific embodiments of the invention;
Fig. 2 is the cutaway view of last figure;
Fig. 3 is the similar figure of last figure, and the contact is in open mode;
Fig. 4 is the similar figure of last figure, the trip status when executor is in fault;
Fig. 5 is the similar figure of above each figure, and handle resetting after dropout is shown;
Fig. 6 is the similar figure of above each figure, the closed action of handle is shown and the contact is still and opens;
Fig. 7 is the end view of executor, and the opening action of handle after the closure failure is shown.
In the accompanying drawings, executor D can be designed as the open and close of contact 1,2 that is used for control switch or has the miniaturized electric circuit breaker of mold insulation shell.
This device is designed to start movable contact arm 3, the contact site 4 that the free end 3a supporting of contact point arm cooperates with fixed contact 1.This contact point arm 3 manually moves by handle 5 or moves automatically by the M of mechanism that describes below.The shell of circuit-breaker is provided with the opening (not shown), is used for by handle 5.Handle 5 is installed in the rotating shaft 6 and pivots limitedly, and moves between the open position (Fig. 3) that separates in the make position (Fig. 1) of contact 1,2 closures and corresponding contact 1,2.Handle 5 connects drive link 7, and to form the first elbow g, the joint 7a on its bar 7 is eccentric with respect to the rotating shaft of handle 5.The first elbow g is designed to provide two settling positions (Fig. 1 and 3) of handle 5.The returning spring (not shown) applies active force to handle 5 to open position after first elbow is through the dead point.
Be pivoted in the rotating shaft by plate 9 supportings by the dropout rod 8 of the bimetal leaf control of the striker of electromagnetic tripping apparatus and thermal release device, plate 9 forms the supporting member of contact arms 3.
The mechanical connection L that comprises the second elbow h connects handle 5 and plate 9.
In latched position, connect L and make the M of mechanism by handle 5 manual operations.The rod 8 of threading off causes the instantaneous disconnection of mechanical connection L to the motion of dropout position owing to the action of thermal release device or electromagnetic tripping apparatus, cause the automatic dropout of the M of mechanism and be independent of handle 5.
The rod 8 of threading off connects the returning spring (not shown), and returning spring is designed to hinder dropout for some reason and automatically form mechanical connection L when starting to open position again at the M of mechanism when handle 5.
The above-mentioned second elbow h comprises drive link 7, the hook 10 that drive link 7 connects in the rotating shaft 11 that is pivoted on plate 9, and be included in the latched position and rod 8 stiff ends that cooperate 12 of threading off.Drive link 7 is at the pin joint 12a butt hook 10 between the joint of hook 10 rotating shaft 11 and stiff end 12.
This device also comprises the device S that is used to indicate dropout by the centre position of handle 5.
According to the present invention, device S comprises the pallet 13 that connects handle 5, is designed to cooperate with the block 14 that fixedly secures on plate 9.For this reason, handle 5 is formed by first 5a of semi-ring portion and second 5b (below be called pallet), first 5a of semi-ring portion comprises handle 5c and around above-mentioned rotating shaft 6 rotations, and second 5b is movable and comprise the prodger that forms pallet 13 around same rotating shaft 6 rotations with respect to first 5a.
First 5a of handle 5 (below be called handle) comprises area supported 20, its be designed to handle in the contact 1,2 open on the direction motion time rotation drive pallet 13.Similarly, handle 5 comprises tooth 15, and it is designed to rotate when handle moves on the closing direction of contact 1,2 and drives pallet 13.
Aforesaid mechanism moves in such a way.At the grasps handle 5c of make position (Fig. 1 and 2) handle 5 to the right and the mechanical connection L that can disconnect rod 8 lockings of being threaded off.Moving contact 2 remains on the on-position by plate 9 supportings.Assembly keeps balance by locking.If thread off after fault, rod 8 is decontroled lock hook 10, connects the L instability owing to the release of opening spring makes.
Mechanical component (moving contact 2, thread off rod 8, hook 10, plate 9) moves to " circuit-breaker is opened " position by mechanism's spring.In second stage, handle 5 moves opening on the direction by the handle spring.In this motion, the area supported 20 of handle 5 drives pallet 13 and rotates up to the latter by block 14 blocks (Fig. 4) of plate 9.Thereby the inertia of adjustment part and the rigidity of spring were in plate 9 and open the equilbrium position before handle 5 setting in motions.By this way, the ad-hoc location by handle 5 and be fixed on the handle 5 and a red indicator that only manifests in this position is indicated dropout visibly.
When this equipment is in the dropout position, be closed circuit breaker contact point 1,2 again, the M of mechanism must reset by handle 5 being moved to its open position O.Thisly reset at two stages and carry out.In the phase I, the elastic force that pallet 13 overcomes the returning spring of the M of mechanism pushes back open position (Fig. 5) with the block 14 of plate 9.In second stage, when block 14 passed through, handle 5 (first 5a) moved to open position by the handle spring.Circuit-breaker is waited for again closed.In this position, the rotation of tooth 15 restriction pallets 13, thus make the latter remain close to block 14.Can notice that tooth 15 is in holding fix with respect to block 14 being arranged to pallet 13 on the handle 5 after the handle closure.
Two kinds of situations can take place.Under first kind of situation, fault is eliminated, and closure (because the existence of tooth 15 is hand drive pallet 13) in the time of the closure of handle 5 and contact 1,2 is because the existence of the block 14 of plate 9 and can avoiding.
Under second kind of situation, promptly so-called closed failure (Fig. 6), fault is not eliminated (under the control of auxiliary equipment, follow fault to thread off, or follow not resetting of circuit-breaker etc.), and pallet 13 interferes with the block 14 of plate 9 subsequently.When carrying out the closed procedure of handle 5, tooth 15 is return and around the rotatablely move opposite side (Fig. 6) of pallet 13 of handle make position of the rotating shaft 6 of handle 5.Therefore handle 5 moves in its make position, but because very little closure-resistive makes the user recognize that the contact is in fact also not closed.Can notice that the existence of another area supported forms the rotation that is located at the block 16 on the handle 5 and is designed to limit pallet 13, thereby makes pallet 13 remain close to block 14 herein once more.
In this stage, the handle spring moves to open position with handle 5, and tooth 15 must move to the opposite side of pallet 13, thereby makes it drive pallet 13 once more when reaching new make position.
Reach this purpose, block 17 is arranged on the pallet 13, is designed to cooperate with the block of installing with respect to handle 5 18, thereby makes tooth 15 at the block 17 of pallet 13 and the opposite side that moves to pallet 13 after block 18 contacts when handle 5 is opened.Produce enough moment so that tooth 15 is shifted to the opposite side of pallet 13 towards the end that handle 5 is opened with respect to handle 5 fixing blocks 18.
Should be noted that this executor can be advantageously used in single-column, two posts, three posts and four post circuit-breakers.
Claims (12)
1. electric protective equipments such as circuit-breaker is contained in executor in the insulation shell; comprise pair of contact; one of them is a moving contact for one of fixed contact; described moving contact can manually boot by the handle that is pivoted between the closing of contact and the open position; this handle is got back to open position by the spring of handle; also can carry out automatically by a mechanism, described mechanism comprises:
The supporting member of moving contact, rotation is installed between above-mentioned two positions and by transmission device and links to each other with handle, thereby forms the mechanical connection that can disconnect between described supporting member and handle;
Trip gear when electric fault occurring,, is threaded off described mechanism automatically and is made contact separation to disconnect mechanical connection by dropout part control, and be independent of handle;
Trip gear is retracted the device of desired location, and described mechanism automatically resets when handle is shown in an open position;
The dropout indicating device of the trip status of the centre position indicating circuit circuit breaker by handle,
It is characterized in that, dropout indicating device (S) comprises the pallet (13) that is installed on the handle (5), cooperate with the block (14) on the part that is arranged on said mechanism (M), so that after the mechanical connection (L) between handle (5) and the supporting member (9) disconnects and causes threading off automatically, in the opening procedure at handle handle (5) is remained on the centre position.
2. executor as claimed in claim 1 is characterized in that, described block (14) is arranged on the supporting member (9).
3. executor as claimed in claim 1 or 2 is characterized in that, supporting member comprises plate (9), and described block (14) fixedly secures on plate (9).
4. executor as claimed in claim 3 is characterized in that, the inertia of the part of mechanism (M) and handle (5) and the rigidity of spring are definite like this: before described handle (5) began to open motion, plate (9) is in opened the equilbrium position.
5. as each described executor of claim 1 to 4, it is characterized in that pallet (13) is installed freely to rotate and driven by handle (5) around the rotating shaft (6) of handle (5) with respect to handle (5) in the open and close process of handle (5).
6. executor as claimed in claim 5, it is characterized in that, handle (5) comprises the tooth (15) that is designed to drive pallet (13) in the closing course of handle (5), described tooth (15) takes place to move back the other end that is reversed to pallet when closed in the mechanism that stays open, thereby makes handle (5) closure and contact (1,2) are closed again.
7. as each described executor of claim 1 to 6, it is characterized in that handle (5) comprises area supported (16), return and the new opening action of handle (5) makes pallet (13) remain close to block (14) between beginning at tooth (15).
8. as each described executor of claim 1 to 7, it is characterized in that, when handle (5) when resetting, pallet (13) overcome supporting member (9) returning spring elastic force and push block (14).
9. as each described executor of claim 6 to 8, it is characterized in that tooth (15) is arranged in the closed back of handle (5) pallet and is in holding fix with respect to block (14) on handle (5).
10. the described executor of arbitrary as described above claim, it is characterized in that, it comprises the block of installing with respect to handle (5) (18), block (18) is designed to limit the rotation of pallet (13) when opening when the contact that stays open (1,2) closed back handles (5), thereby makes tooth (15) move to the opposite side of pallet.
11. the described executor of arbitrary as described above claim, it is characterized in that, the described mechanical connection that disconnects (L) comprises that an end is hinged on the drive link (7) on the handle (5), its other end be hinged on that plate (9) is gone up and link to each other with hook (10) that the rod (8) of threading off cooperates.
12. one kind is equipped with the circuit-breaker of the executor D of arbitrary claim as described above.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9709236A FR2766292B1 (en) | 1997-07-16 | 1997-07-16 | DEVICE FOR CONTROLLING AN ELECTRICAL PROTECTION APPARATUS SUCH AS A CIRCUIT BREAKER INCLUDING A MEANS FOR SIGNALING A TRIGGER, AND CIRCUIT BREAKER PROVIDED WITH SUCH A DEVICE |
| FR9709236 | 1997-07-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1205535A true CN1205535A (en) | 1999-01-20 |
| CN1174456C CN1174456C (en) | 2004-11-03 |
Family
ID=9509434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB98116076XA Expired - Lifetime CN1174456C (en) | 1997-07-16 | 1998-07-16 | Operating device of electrical protection apparatus such as circuit breaker comprising means for indicating tripping, and circuit breaker equipped with such device |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP0897188B1 (en) |
| CN (1) | CN1174456C (en) |
| AT (1) | ATE343849T1 (en) |
| DE (1) | DE69836247T2 (en) |
| ES (1) | ES2274561T3 (en) |
| FR (1) | FR2766292B1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103065881A (en) * | 2012-12-28 | 2013-04-24 | 常熟开关制造有限公司(原常熟开关厂） | Circuit breaker |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19919420A1 (en) * | 1999-04-28 | 2000-11-02 | Siemens Ag | Circuit breaker, for example circuit breaker |
| CN102347169B (en) * | 2010-07-30 | 2014-06-11 | 上海良信电器股份有限公司 | Isolation instruction structure for molded case circuit breaker |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PT82331B (en) * | 1985-05-17 | 1992-06-30 | Licentia Gmbh | CHANGE MECHANISM FOR A PROTECTIVE SWITCH |
| FR2589627B1 (en) * | 1985-10-31 | 1988-08-26 | Merlin Gerin | CONTROL MECHANISM FOR LOW VOLTAGE ELECTRIC CIRCUIT BREAKER |
| DE3619242C2 (en) * | 1986-06-07 | 1994-07-21 | Kloeckner Moeller Gmbh | Switching mechanism for a circuit breaker |
| FR2616583B1 (en) * | 1987-06-09 | 1995-01-06 | Merlin Gerin | CONTROL MECHANISM OF A MINIATURE ELECTRIC CIRCUIT BREAKER |
| DE3825443A1 (en) * | 1988-07-27 | 1990-02-01 | Asea Brown Boveri | ELECTRICAL SWITCHGEAR |
| DE4122268A1 (en) * | 1991-07-05 | 1993-01-14 | Kopp Gmbh & Co Kg Heinrich | Actuator mechanism for contact breaker operation in switchgear - has compound mechanical linkage with input lever setting and release mechanism |
| FR2689309B1 (en) * | 1992-03-31 | 1994-05-20 | Merlin Gerin | DRAWER CONTROL MECHANISM FOR NEUTRAL PHASE AND ELECTRIC CIRCUIT BREAKER. |
-
1997
- 1997-07-16 FR FR9709236A patent/FR2766292B1/en not_active Expired - Fee Related
-
1998
- 1998-07-09 ES ES98410079T patent/ES2274561T3/en not_active Expired - Lifetime
- 1998-07-09 DE DE69836247T patent/DE69836247T2/en not_active Expired - Lifetime
- 1998-07-09 EP EP98410079A patent/EP0897188B1/en not_active Expired - Lifetime
- 1998-07-09 AT AT98410079T patent/ATE343849T1/en not_active IP Right Cessation
- 1998-07-16 CN CNB98116076XA patent/CN1174456C/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103065881A (en) * | 2012-12-28 | 2013-04-24 | 常熟开关制造有限公司(原常熟开关厂） | Circuit breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0897188B1 (en) | 2006-10-25 |
| CN1174456C (en) | 2004-11-03 |
| ES2274561T3 (en) | 2007-05-16 |
| DE69836247T2 (en) | 2007-09-13 |
| ATE343849T1 (en) | 2006-11-15 |
| DE69836247D1 (en) | 2006-12-07 |
| EP0897188A1 (en) | 1999-02-17 |
| FR2766292B1 (en) | 1999-09-03 |
| FR2766292A1 (en) | 1999-01-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C53 | Correction of patent of invention or patent application | ||
| CB02 | Change of applicant information |
Applicant after: Schneider Electric SA Applicant before: Schenider Electric SA |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: SCHNEIDER ELECTRIC SA TO: SCHNEIDER ELECTRIC INDUSTRIES SAS |
|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20041103 |
|
| CX01 | Expiry of patent term |