CN101436470B - Electrical switchgear and device for controlling electrical switchgear - Google Patents
Electrical switchgear and device for controlling electrical switchgear Download PDFInfo
- Publication number
- CN101436470B CN101436470B CN 200810178215 CN200810178215A CN101436470B CN 101436470 B CN101436470 B CN 101436470B CN 200810178215 CN200810178215 CN 200810178215 CN 200810178215 A CN200810178215 A CN 200810178215A CN 101436470 B CN101436470 B CN 101436470B
- Authority
- CN
- China
- Prior art keywords
- contact
- bar
- handle
- high speed
- called
- 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
-
- 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
- H01H71/501—Means for breaking welded contacts; Indicating contact welding or other malfunction of the circuit breaker
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2300/00—Orthogonal indexing scheme relating to electric switches, relays, selectors or emergency protective devices covered by H01H
- H01H2300/046—Orthogonal indexing scheme relating to electric switches, relays, selectors or emergency protective devices covered by H01H using snap closing mechanisms
- H01H2300/048—Snap closing by latched movable contact, wherein the movable contact is held in a minimal distance from the fixed contact during first phase of closing sequence in which a closing spring is charged
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H5/00—Snap-action arrangements, i.e. in which during a single opening operation or a single closing operation energy is first stored and then released to produce or assist the contact movement
- H01H5/04—Energy stored by deformation of elastic members
- H01H5/06—Energy stored by deformation of elastic members by compression or extension of coil springs
Landscapes
- Mechanisms For Operating Contacts (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
Abstract
The invention relates to an operating equipment of electric switchgear. The operating equipment is arranged in an insulating box and comprises the following components: at least one movable contact terminal which is supported by a so-called contact terminal back shaft and is designed to connect with at least one still contact terminal which is fixed relative to the box; a manual operating handle which revolves around the shift of the box and can move the contact terminal back shaft which is arranged between the open position and the close position among contact terminals; a so-called high-speed closing device which contains a so-called high-speed close shaft designed to keep the movable contact terminal in the open position when the manual close operation of handle starts and after a certain movement route of the latter; the movable contact terminal is released after the handle is operated and therefore, the preserved energy allows the contact terminal to close in a high speed; and a equipment used for indicating the welding state of the contact terminal.
Description
Technical field
The present invention relates to a kind of operating means of electric switching system, wherein said electric switching system is contained in insulation booth and comprises the removable contact that at least one is supported by the axle that is called as the contact back shaft, and described removable contact is designed to the stationary contacts operation to be fixed with respect to described box together with at least one; Manual operation handle, this Manual operation handle is mounted to around the axle rotation of described box and can moves the open position of described contact and the described contact back shaft between make position; And the device that is called as the high speed closing device, this device comprises the axle that is called as the closed axle of high speed, when the closed axle of described high speed is designed to the manual closing operation starting described handle and by energy storage, described removable contact is remained on to described open position after certain stroke of the latter, and discharging described removable contact after the operation of described handle, the energy stored so in the past makes described contact closed at a high speed; And the equipment that is used to indicate the welded condition of described contact.
Background technology
Above-mentioned this kind of operating means is described in document FR2717617, and this device does not comprise the device of the welded condition that is used to indicate the electric switching system contact.
Also described a kind of operating mechanism of the electric circuit breaker that comprises the bistable state indicating device in known patent EP0452230, wherein said bistable state indicating device can be arranged on the Handle axis between active position and inoperative position with rotating freely.Described indicating device comprises the first indication arm, this the first indication arm is equipped with indicating device, and second control arm, this second control arm is removable between the end of two travel stop, and thering is cheek, this cheek operates with in the situation that the described contact of welding is latched to described inoperative position to described indicating device from described make position activity during to described open position when described handle together with the nose of described contact supporter.
This device can only be indicated two welding contacts in identical stage.It also needs to use the indicating device that is equivalent to additional components.
Summary of the invention
The invention provides the solution of these shortcomings and recommended a kind of operating means that designs better simply electric switching system, this device need not increase any additional components just can produce indication reliably, no matter the welding contact in arbitrary stage how, described indication can be worked, and has recommended a kind of electric switching system that comprises this operating means.
For this reason, an object of the present invention is to provide a kind of operating means of the above-mentioned type, this device is characterised in that the equipment of the welded condition of the contact that is used to indicate arbitrary stage is partly by the closed axle of above-mentioned high speed with partly supported by cam.
According to specific embodiment, the closed axle of described high speed comprises the first bar, this first bar operates together with the parts of the cam that forms described handle, and at least one second bar, this at least one second bar is respectively together with at least one retainer operation, each retainer is respectively fixed to described movably contact securely, described so removable contact is fixed by described the second bar respectively when described handle manual closing starts, after described handle carries out above-mentioned stroke, described cam wheel on described the first bar in order to discharge the above-mentioned locking of the second bar on described removable contact.
According to another feature, described indicating equipment comprises the interlock that belongs to the closed axle of described high speed, and these interlocks are designed to operate with the parts of the cam together with forming described handle; And at least one bar, this bar is called as the 3rd bar and also belongs to the closed axle of described high speed, and this bar is designed to operate together with described removable contact respectively, like this when two contacts in described identical stage are soldered, the joint of the bar that is called as the 3rd bar on described removable contact can prevent the closed axle of described high speed and the therefore motion of described handle due to the cam that described interlock engages described handle.
According to specific features, described removable contact is respectively installed in a contact supporter, and described strutting piece is mounted in hinged way with respect to described contact back shaft, and the contact pressure spring is installed between each contact supporter and described contact back shaft.
According to another feature, the bar that is called as the second bar operates together with the retainer or a plurality of retainer that are respectively formed on described contact supporter respectively.
According to another feature, the bar that is called as the 3rd bar operates together with the retainer or a plurality of retainer that are respectively formed on described contact supporter respectively.
According to another feature, described contact supporter is made by insulating material.
According to another characteristic of the invention, above-mentioned interlock comprises locking, and this locking is formed on the end of described (each) bar that is called as the 3rd bar and operates together with the parts of the cams with described handle.
According to another feature, being called as the second bar is identical parts with the above-mentioned bar that is called as the 3rd bar.
Another object of the present invention is to provide a kind of comprising by separately or engage the electric protective equipment of the above-mentioned feature of acquisition.
But in the description of other advantages of feature of the present invention accompanying drawing that reference provides just to the example purpose from behind, more obviously find out, wherein:
The accompanying drawing explanation
Fig. 1 is the perspective view that illustrates the differential switch that comprises the operations according to the instant invention device;
Fig. 2 is the plane graph of the inboard part of the described equipment of diagram;
Fig. 3 is the perspective view that diagram is designed to hold the contact back shaft of contact supporter and contact blade;
Fig. 4 is the plane graph of the operations according to the instant invention device in the open position of described contact;
Fig. 5 is the identical view of same last view in the make position of described contact; With
Fig. 6 is the view identical with earlier figures of operations according to the instant invention device that is shown in the indicating device of the welding contact that is equipped with described equipment in the welding position of described contact.
Embodiment
In Fig. 1 and Fig. 2, can see that differential switch D mainly comprises the binding post 2 of the binding post 1 that is contained in the line scan pickup coil side in insulation booth and Loading End, supports the axle 3 of removable contact 4, described axle is installed in the box between the position of separating in the position of the stationary contacts 5 to be fixed with respect to described box in removable contact 4 contacts and these removable contacts 4 and described stationary contacts 5 and rotates.
This equipment also comprises operating means C, and this operating means C comprises the Manual operation handle 6 that can drive two contact back shafts 3 between above-mentioned position, and described axle 3 is partial to the open position of contact 4,5 by the spring (not shown).
It also is included in the differential trip device that can open described contact when earth fault occurs.
This device also comprises the closed axle 7 of high speed, by energy storage, described removable contact 3 is remained on to described open position when the closed axle 7 of described high speed is designed to the manual closing operation starting described handle 6 and through certain one stroke of the latter, and discharging described removable contact after the trip of described handle, described energy storage makes described contact with closed at a high speed.
In order to describe in more detail the operation of this device, can be with reference to French Patent (FRP) FR2717617.
The closed axle 7 of this high speed be installed into in the situation that described equipment, spring 8 are placed on rotation between described axle 7 and described box described axle be partial to itself and the position of described contact interference.
As shown in Figure 3, contact back shaft 3 supports contacts strutting pieces 9, this contact supporter 9 is mounted in the cover in being arranged at described axle 3 and rotates, and described strutting piece 9 is designed to hold contact blade 11.In order to ensure the contact force between each removable contact 4 and respective stationary contact 5, contact pressure spring 12 (being shown in Fig. 2) is installed between each contact supporter 9 and contact back shaft 3.
The closed axle 7 of this high speed comprises the first bar 13, and this first bar 13 is designed to cam 14 operations together with being formed in handle 6 pedestals; And for each removable contact 4 and therefore contact supporter 9 movably, be called as the bar of the second bar 15, this second bar 15 be designed to via its free end together with retainer 16 operations that are arranged on described contact supporter 9.
According to the present invention, described operating means also comprises indicating device, the welding of the contact that this indicating device indication is relevant to the closed axle 7 of high speed.This device comprises the parts with locking 17 forms, and wherein this locking 17 is firmly connected to the bar of the first bar 13 that is called as the closed axle 7 of high speed, and described parts 17 are designed to above-mentioned cam 14 operations together with described handle.This device also comprises the bar that is called as the 3rd bar, the bar of existence and contact supporter equal number, these bars form this specific embodiment by the above-mentioned bar that is called as the second bar 15, and the end 18 of these the second bars 15 is designed to operate together with contact supporter 9 respectively.
The operation of operations according to the instant invention device is described in the back with reference to described figure.
In Fig. 4, described operating means is in closing course.The open position of described contact points to the position on described right side corresponding to described handle, yet the make position of described contact is pointed to the position in described left side corresponding to described handle, when closed procedure starts, it a little to left movement, is called as opening 19 inside that the bar of the first bar 13 forms at the cam 14 by described handle 6 corresponding to described handle.At handle between 6 moving periods, thus not shown in the drawings but itself be that known equipment makes described contact back shaft rotate on its axle to drive the rotation around this axle of described contact supporter.At handle, between 6 moving periods, spring 8 makes the closed axle 7 of high speed be pressed on described contact supporter by bar 15.When the retainer 16 of described contact supporter is encountered the bar 15 of the closed axle of described high speed, although continuing the described contact supporter of rotation on its axle, can not rotate around the axis of described contact back shaft described contact back shaft.At described operating means motion stage, described movably contact is separated from their mutual static contacts.Move to the next stage in described left side at handle 6 during, described contact back shaft continues rotation, although by the bar 15 on the retainer 16 that is pressed in described contact supporter, described movably contact is limited to them towards mutually static contact motion.The axis of described contact supporter makes described contact supporter produce the resultant motion of the complexity of translation and rotation in this stage with respect to the skew of the axis of described contact back shaft.In this stage, keep described contact supporter rotation to cause the contact pressure spring 12 that compression is above-mentioned.When described handle generation closing motion, as shown in Figure 5, the first bar 13 turns over the end of cam 14 and drives clockwise the closed axle 7 of high speed therefore to discharge the contact supporter 9 engaged with the second bar 15, its discharge removable contact 4 makes its with at a high speed to stationary contacts 5 motions and in fact irrelevant with described lever operated speed, but the energy that stored by described contact pressure spring obtains by discharging.
It should be noted that according to description and illustrated embodiment, described removable contact is arranged in contact supporter.
The axle that it should be noted that described contact supporter can make described removable contact slip into and the contacted position of described stationary contacts with respect to the skew of the axle of described contact back shaft.
Another embodiment can be to be provided at be in the case movably be directly installed on the removable contact in described contact back shaft and be assemblied in respectively each removable contact and removable contact back shaft between the contact pressure spring.In the case, these contact pressure springs are when described handle starts to rotate to described make position, and after described handle one stroke, then described spring guarantees that described removable contact is to described stationary contacts high-speed motion.
The cam that it should be noted that the leverage of the closed axle of described high speed and described handle has promoted the motion of the closed axle of described high speed.
The operation of the device of the described contact welding of indication below will be described:
When opening sequence occurs, in the situation that described equipment normal running, the closed axle 7 of high speed moves out from the track of the handle 6 along with removable contact 4 rotations, and spring 8 makes the closed axle of described high speed partially by described contact supporter thus.
When opening sequence occurs, in the situation that described equipment has at least two welding contacts, because the bar that is called as the second bar 15 applies pressure to the retainer 16 of contact supporter 9, therefore prevented the rotation of the closed axle 7 of high speed.The locking 17 of the closed axle 7 of high speed is blocked handle 6 and is prevented that the latter from moving to described open position.This has formed the welded condition of indicating described contact.
Therefore need not increase any optional feature, realize a kind of reliable indicating device, no matter the contact of welding how, this indication can be worked.
According to this operating equipment, carry out the closed at a high speed power of unblanking and be the fact that discharges described removable contact by the command range place in the described stationary contacts of distance and become reliable, the cam of this leverage just because of the closed axle of described high speed on the one hand and described handle has promoted the fact of the motion of the closed axle of described high speed, on the other hand due to the fact of the manufacture skew that has reduced to be included in the parts in unblanking.
The present invention can be advantageously used in switch, differential whether circuit breaker, control switch, isolating switch etc.
Very natural, the invention is not restricted to description and illustrated embodiment, provided these embodiment just for the purpose of example.
On the contrary, the present invention also comprises all technical equivalents things and their combination of described equipment, if latter's spirit according to the present invention realizes.
Claims (9)
1. the operating means of an electric switching system, wherein said electric switching system is contained in insulation booth and comprises at least one by the removable contact that is called as the support of contact back shaft, and described removable contact is designed to the stationary contacts operation to be fixed with respect to described insulation booth together with at least one; Manual operation handle, this Manual operation handle is mounted to around the axle rotation of described box and can moves the open position of described contact and the described contact back shaft between make position; And the device that is called as the high speed closing device, this high speed closing device comprises the axle that is called as the closed axle of high speed, when the closed axle of described high speed is designed to the manual closing operation starting described handle and by energy storage, described removable contact is remained on to described open position after certain stroke of the latter, and discharging described removable contact after the stroke of described handle, the energy stored so in the past makes described contact closed at a high speed; And the equipment that is used to indicate the welded condition of described contact,
It is characterized in that, the equipment that is used to indicate the welded condition of described contact comprises the first equipment and the second equipment supported by the closed axle of above-mentioned high speed (7), described the first equipment operates together with the cam that belongs to described handle, the second equipment is together with described removable contact operation, while with box lunch, welding described contact, described handle is remained on to centre position
Removable contact (4) is respectively installed in contact supporter (9), described contact supporter (9) is mounted in hinged way with respect to contact back shaft (3), and touch spring is inserted between each contact supporter and described contact back shaft.
2. operating means as claimed in claim 1, it is characterized in that, the closed axle of high speed (7) comprises the first bar (13), this first bar (13) is together with the operation of components of the cam (14) that forms handle (6), and at least one second bar (15), this at least one second bar (15) operates together with at least one retainer (16) respectively, each retainer is firmly connected to removable contact, described so removable contact (4) is fixing and after handle (6) carries out aforesaid operations respectively by the second bar (15) when handle (6) manual closing starts, cam (14) acts on the first bar (13), in order to discharge the fixing of the second bar (15) on removable contact (4).
3. operating means as claimed in claim 2, it is characterized in that, these are used to indicate the equipment (14 of the welded condition of described contact, 15, 17) comprise the interlock (17) that belongs to the closed axle of high speed (7), this interlock is designed to operate with the parts of the cam (14) together with forming handle (6), and at least one bar (15), this at least one bar (15) is called as the 3rd bar, also belong to the closed axle of high speed (7) and be designed to operate together with described removable contact respectively, like this when two contacts (4 that weld the identical stage, 5) time, cam (14) due to interlock (17) engages handle (6), so be called as the bar (13 of the 3rd bar on described removable contact, 15) joint has prevented the closed axle of high speed (7) and the therefore motion of handle (6).
4. operating means as claimed in claim 3, is characterized in that, is called as the bar of the second bar (13,15) respectively together with the retainer or a plurality of retainer (16) operation that are respectively formed on contact supporter (9).
5. operating means as claimed in claim 3, is characterized in that, is called as the bar of the 3rd bar (13,15) respectively together with the retainer or a plurality of retainer (16) operation that are respectively formed on contact supporter (9).
6. operating means as claimed in claim 5, is characterized in that, contact supporter (9) is made by insulating material.
7. operating means as claimed in claim 6, it is characterized in that, above-mentioned interlock (17) comprises locking, this locking operates together with the parts of the cam with handle (6) (14) form, and this locking is firmly connected to the bar of the first bar (13) that is called as the closed axle of described high speed (7).
8. operating means as claimed in claim 7, is characterized in that, the bar that is called as the second bar (13) and is called as the 3rd bar is identical parts.
9. an electric switching system, it comprises according to any one described operating means of aforementioned claim.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR07/08044 | 2007-11-16 | ||
| FR0708044A FR2923942B1 (en) | 2007-11-16 | 2007-11-16 | DEVICE FOR CONTROLLING AN ELECTRICAL CUTTING APPARATUS AND AN ELECTRICAL CUTTING APPARATUS COMPRISING IT |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101436470A CN101436470A (en) | 2009-05-20 |
| CN101436470B true CN101436470B (en) | 2013-12-18 |
Family
ID=39521944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200810178215 Active CN101436470B (en) | 2007-11-16 | 2008-11-17 | Electrical switchgear and device for controlling electrical switchgear |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2061058B1 (en) |
| CN (1) | CN101436470B (en) |
| ES (1) | ES2399686T3 (en) |
| FR (1) | FR2923942B1 (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009007475A1 (en) | 2009-01-30 | 2010-08-05 | Siemens Aktiengesellschaft | Switching mechanism for a switching device with a remaining at a welded contact member and an opening operation in a Zwischenschaltstellung shift lever |
| EP2333804B1 (en) * | 2009-12-11 | 2012-08-22 | Schneider Electric Industries SAS | Switching device having a contact welding indicator |
| FR2953986B1 (en) * | 2009-12-11 | 2012-05-18 | Schneider Electric Ind Sas | CUTTING DEVICE WITH CONTACT WELDING INDICATOR |
| EP2575151B1 (en) * | 2011-09-29 | 2017-11-15 | Hager-Electro SAS | Reinforcement of the sectioning mechanism of a multi-modular electrical appliance such as a circuit breaker |
| JP2013251076A (en) * | 2012-05-30 | 2013-12-12 | Panasonic Corp | Circuit breaker |
| CN103456524B (en) * | 2012-05-31 | 2017-05-17 | 施耐德电器工业公司 | Disconnecting switch device |
| DE102014107266A1 (en) * | 2014-05-22 | 2015-11-26 | Eaton Industries Austria Gmbh | switchgear |
| CN107452542A (en) * | 2017-09-13 | 2017-12-08 | 环宇集团浙江高科股份有限公司 | A kind of disconnecting switch |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1030325A (en) * | 1987-05-23 | 1989-01-11 | Bbc勃朗勃威力有限公司 | Electrical switchgear |
| EP0452230A1 (en) * | 1990-04-09 | 1991-10-16 | Merlin Gerin | Driving mechanism for circuit breaker |
| FR2717617A1 (en) * | 1994-03-15 | 1995-09-22 | Hager Electro | Differential switch with improved contacts |
| EP0897186A2 (en) * | 1997-08-14 | 1999-02-17 | Siemens Aktiengesellschaft | Switch mechanism for a circuit breaker |
| EP1278225A1 (en) * | 2001-07-16 | 2003-01-22 | Hager Electro S.A. | Snap closing and breaking mechanism |
-
2007
- 2007-11-16 FR FR0708044A patent/FR2923942B1/en not_active Expired - Fee Related
-
2008
- 2008-10-08 EP EP20080354071 patent/EP2061058B1/en active Active
- 2008-10-08 ES ES08354071T patent/ES2399686T3/en active Active
- 2008-11-17 CN CN 200810178215 patent/CN101436470B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1030325A (en) * | 1987-05-23 | 1989-01-11 | Bbc勃朗勃威力有限公司 | Electrical switchgear |
| EP0452230A1 (en) * | 1990-04-09 | 1991-10-16 | Merlin Gerin | Driving mechanism for circuit breaker |
| FR2717617A1 (en) * | 1994-03-15 | 1995-09-22 | Hager Electro | Differential switch with improved contacts |
| EP0897186A2 (en) * | 1997-08-14 | 1999-02-17 | Siemens Aktiengesellschaft | Switch mechanism for a circuit breaker |
| EP1278225A1 (en) * | 2001-07-16 | 2003-01-22 | Hager Electro S.A. | Snap closing and breaking mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2923942A1 (en) | 2009-05-22 |
| EP2061058A1 (en) | 2009-05-20 |
| CN101436470A (en) | 2009-05-20 |
| FR2923942B1 (en) | 2014-09-05 |
| ES2399686T3 (en) | 2013-04-02 |
| EP2061058B1 (en) | 2013-01-16 |
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