CN101436471B - Device for controlling electrical switchgear and electrical switchgear including same - Google Patents
Device for controlling electrical switchgear and electrical switchgear including same Download PDFInfo
- Publication number
- CN101436471B CN101436471B CN 200810178216 CN200810178216A CN101436471B CN 101436471 B CN101436471 B CN 101436471B CN 200810178216 CN200810178216 CN 200810178216 CN 200810178216 A CN200810178216 A CN 200810178216A CN 101436471 B CN101436471 B CN 101436471B
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- CN
- China
- Prior art keywords
- contact
- bar
- high speed
- removable
- closed
- 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
- H01H71/501—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
-
- 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)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention relates to an operating equipment of an electric switch device cell which comprises a manual operating handle (6) of a movable contact terminal (4) and a shaft which is called a high-speed close shaft (6). The operating equipment is characterized in that the high-speed close shaft (7) comprises a first rod (13) which runs together with a cam (14) forming the handle (6), at least one second rod (15) which runs together with at least one retainer (16) respectively; each retainer is firmly fixed on the movable contact terminal; therefore, when starting to be closed by handle, the movable contact terminal is fixed and the cam (14) enforces force on the first rod (13). When the handle (6) runs in the above way, the second rod (15) on the movable contact terminal (4) is opened, and the opening action leads to the high-speed close of the contact terminals (4, 5).
Description
Technical field
The present invention relates to the operating means of a kind of electric switching system unit, wherein said electric switching system unit is contained in the insulation booth and comprises the removable contact that at least one is supported by the contact back shaft, and described removable contact is designed to operate with respect to the stationary contacts that described insulation booth is fixed together with at least one; Manual operation handle, this Manual operation handle are mounted to around the axle rotation of described insulation booth and can move the open position of described contact and the described contact back shaft between the 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, the closed axle of described high speed is designed to when the manual closing operation of the described handle of beginning and certain run duration of the process latter remains on described open position to described removable contact by energy storage, and after the operation of described handle, discharging described removable contact, the energy that stored so in the past is so that described contact is closed at a high speed.
Background technology
Known patent FR2717617 has described above-mentioned this kind device, and this device comprises the closed axle of a kind of high speed, and described axle comprises the clamping stopper bearing that acts directly on the described removable contact.In this device, the closed axle of described high speed is opened by described contact back shaft.Described locking is opened through the operation of the very fraction of described contact back shaft, and described like this contact is with respect to described Compress Spring and discharge not only not too early but also not too late with respect to described stationary contacts.Adjust very accurately, any deviation in making in described parts can cause operating trouble.
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 unit, wherein said removable contact is released at the command range place of the described stationary contacts of distance, for this reason, be applied to the parts that are contained in unblanking for example the stress of the closed axle of high speed and operating grip reduced.
For this reason, an object of the present invention is to provide a kind of operating means of electric switching system unit of the above-mentioned type, this unit is characterised in that the closed axle of described high speed comprises the first bar, this first bar is together with the cam part operation 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 fixedly secured to movably contact, described so removable contact is fixed by described the second bar when described handle manual closing begins, after described handle carries out above-mentioned operation, thereby described cam wheel is in the above-mentioned locking of opening the second bar on the described removable contact on described the first bar, and this unblanks to cause described contact closed at a high speed.
According to specific embodiment, for each removable contact, this device comprises the contact pressure spring that is installed between described removable contact and the described contact back shaft, above-mentioned spring described removable contact of compressed while when the closed procedure of the described handle of beginning is fixed, and then the energy that is stored by described spring is released after described handle operation in order to realize that the high speed of described contact is closed.
According to specific features of the present invention, described (or a plurality of) removable contact is respectively installed in a contact supporter or a plurality of contact supporter, described strutting piece is mounted in hinged way with respect to described contact back shaft, and described the second bar is respectively together with moving with the retainer or a plurality of retainer that are formed on the described contact supporter respectively.
According to another embodiment, this device comprises the contact pressure spring, for each above-mentioned contact supporter, described spring is installed between described strutting piece and the described contact back shaft, above-mentioned spring described removable contact of compressed while when the closed procedure of the described handle of beginning is fixed, and then the energy that is stored by described spring is released in order to realize that the high speed of described contact is closed.
According to another feature, described the first bar extends to form with respect to described the second bar and is approximately 90 ° angle.
According to another feature, described device comprises the indicating equipment of the welding whether state that is used to indicate described contact, and these environment divisions are supported by described handle by the closed axle of described high speed and part.
According to a certain specific features, these indicating equipments comprise the interlock that belongs to the closed axle of described high speed, and these interlocks are designed to move with the parts of the cam that forms described handle; And at least one bar, this bar is called as the 3rd bar that belongs to the closed axle of described high speed, the described bar that is called as the 3rd bar is designed to move together with the retainer or a plurality of retainer that are fixed firmly to respectively described mobile contact respectively, like this when described contact is soldered, can described high speed closure axle and so motion of described handle have been prevented because described interlock engages the parts of the cam that forms described handle against the joint of the 3rd bar of the retainer that is formed by described removable contact.
According to another feature, described movably contact is mounted respectively in a contact supporter or a plurality of contact supporter, described strutting piece is mounted in hinged way with respect to described contact back shaft, described the 3rd bar respectively with one of them cooperation of described retainer that is respectively formed on the described contact.
According to a certain specific features, described contact supporter is to be made by insulating material.
According to a certain specific features, 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 moves together with the parts of the cam that forms described handle.
According to another feature, the above-mentioned bar that is called as the first bar comprises above-mentioned interlock.
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 provides a kind of electric switching system device that comprises separately or engage the above-mentioned feature of acquisition.
Description of drawings
Fig. 1 is the perspective view that diagram comprises the differential switch of operations according to the instant invention device;
Fig. 2 is the plane graph of the inside part of the described unit 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 Fig. 4 and Fig. 5 of operations according to the instant invention device that is shown in the indicating device of the welding contact that is equipped with described unit 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 the 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 with the position of the stationary contacts 5 that is fixed with respect to described box in removable contact 4 contacts and these removable contacts 4 and described stationary contacts 5 and rotates.
This unit 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 the above-mentioned position, and described axle 3 is partial to contact 4,5 open position by the spring (not shown).
It also comprises, and in known manner, can make the differential trip device of opening described contact when earth fault occurs.
This device also comprises the closed axle 7 of high speed, the closed axle 7 of described high speed is designed to by energy storage described removable contact 4,5 to be remained on described open position when the manual closing operation of the described handle 6 of beginning and through certain run duration of the latter, and after the operation of described handle, discharging described removable contact, the energy of described storage is so that described contact is closed with 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 is installed into to be placed at described unit, spring 8 between described axle 7 and the described box so that described axle is partial in the situation of the position that itself and described contact interfere rotates.
As shown in Figure 3, contact back shaft 3 supports contacts strutting pieces 9, this contact supporter 9 are mounted to the cover 10 interior rotations in being arranged at described axle 3, 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 the respective stationary contact 5, contact pressure spring 12 (being shown among Fig. 2) is installed between each contact supporter 9 and the contact back shaft 3.
According to the present invention, the closed axle 7 of this high speed comprises the first bar 13, and this first bar 13 is designed to move together with the cam 14 that is formed in handle 6 pedestals; And be used 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 the described contact supporter 9.
Described operating means also comprises indicating device, the welding of the contact that the closed axle of the indication of this indicating device and high speed 7 is relevant.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, they are contact supporters as many bars, these bars consist of 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 move 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 the 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 begins, a little to left movement, the bar that is called as the first bar 13 is in opening 19 inside that the cam 14 by described handle 6 forms corresponding to described handle for they.At handle between 6 moving periods, thus not shown in the drawings but itself be that known equipment is so that described contact back shaft drives the rotation around this axle of described contact supporter in its axle rotation.At handle between 6 moving periods, spring 8 by bar 15 so that the closed axle 7 of high speed be pressed on the described contact supporter.When the retainer 16 of described contact supporter is run into the bar 15 of the closed axle of described high speed, although described contact back shaft continues can not to rotate around the axis of described contact back shaft at the described contact supporter of its axle rotation.At described operating means motion stage, described movably contact is separated from their mutual static contacts.Move at handle 6 during the next stage in described left side, 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.Keep described contact supporter to cause the contact pressure spring 12 that compression is above-mentioned in this stage rotation.When described handle continues 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 discharge the contact supporter 9 that engages with the second bar 15, its discharge removable contact 4 make 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.
Should be noted that according to describe and illustrated embodiment, described removable contact is installed in the contact supporter.
The axle that 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 the 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 compressed when described handle begins 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 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 below will describe the operation of the device of the described contact welding of indication:
When opening sequence occured, in the situation of the normal running of described unit, the closed axle 7 of high speed shifted out from the track along with the handle 6 of 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, have in described unit in the situation of 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 indication of the welded condition of 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.
Therefore realized a kind of operating means by the present invention, the closed power of unblanking of wherein execution high speed is to become reliable by the fact that discharges the true of described removable contact at the command range place apart from described stationary contacts and be offset by the manufacturing that reduces to be included in the parts in unblanking.
The present invention can be advantageously used in circuit breaker, control switch, disconnect of switch, differential or non-differential etc.
Very natural, the invention is not restricted to describe 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 (6)
1. the operating means of an electric switching system unit, wherein said electric switching system unit is contained in the 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 operate with respect to the stationary contacts that described insulation booth is fixed together with at least one; Manual operation handle, this Manual operation handle are mounted to around the axle rotation of described box and can move the open position of described contact and the described contact back shaft between the 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, the closed axle of described high speed is designed to by energy storage described removable contact to be remained on described open position when the manual closing operation of the described Manual operation handle of beginning and through certain run duration of the latter, and after the operation of described Manual operation handle, discharge described removable contact, the energy that stored like this is so that described contact is closed at a high speed
The closed axle of high speed (7) comprises the first bar (13), this first bar (13) is together with the parts operation of the cam (14) that forms Manual operation handle (6), and at least one second bar (15), this at least one second bar (15) moves together with at least one retainer (16) respectively, each retainer is fixedly secured to removable contact, fixing and cam (14) acted on the first bar (13) described so removable contact by the second bar (15) when manual closing began at Manual operation handle (6), after Manual operation handle (6) carries out above-mentioned operation, in order to open the above-mentioned locking of the second bar (15) on the described removable contact, this unblanks to cause described contact (4,5) closed at a high speed
It is characterized in that, for each removable contact (4), it comprises the contact pressure spring (12) that is installed between removable contact (4) and the contact back shaft (3), above-mentioned contact pressure spring (12) is compressed when the closed procedure of Manual operation handle (6) begins, described removable contact is fixed simultaneously, realizes that the high speed of contact (4,5) is closed by contact pressure spring (12) so the energy that stores is released after described Manual operation handle moves.
2. operating means as claimed in claim 1, it is characterized in that, one or more removable contacts (4) are respectively installed in a contact supporter or a plurality of contact supporter (9), contact supporter (9) is mounted in hinged way with respect to contact back shaft (3), and the second bar (15) is respectively together with the retainer or a plurality of retainer (16) operation that are respectively formed on the described contact supporter.
3. operating means as claimed in claim 2, it is characterized in that, it comprises contact pressure spring (12), for each above-mentioned contact supporter (9), contact pressure spring (12) is installed between contact supporter (9) and the contact back shaft (3), above-mentioned contact pressure spring (12) is compressed when the closed procedure of Manual operation handle (6) begins, simultaneously removable contact (4) is fixed, by contact pressure spring (12) then the energy that stores be released in order to realize contact (4,5) high speed is closed.
4. such as any one described operating means in the claim 1 to 3, it is characterized in that the first bar (13) extends to form with respect to described the second bar (15) and is approximately 90 ° angle.
5. such as the operating means of claim 2 to 3 in any one, it is characterized in that contact supporter (9) is made by insulating material.
6. electric switching system unit, it comprises according to claim 1 any one described operating means in 5.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR07/08048 | 2007-11-16 | ||
| FR0708048A FR2923943B1 (en) | 2007-11-16 | 2007-11-16 | DEVICE FOR CONTROLLING AN ELECTRIC CUTTING APPARATUS, AND ELECTRIC CUTTING APPARATUS COMPRISING SAME |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101436471A CN101436471A (en) | 2009-05-20 |
| CN101436471B true CN101436471B (en) | 2013-03-27 |
Family
ID=39473957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200810178216 Active CN101436471B (en) | 2007-11-16 | 2008-11-17 | Device for controlling electrical switchgear and electrical switchgear including same |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP2061059B1 (en) |
| CN (1) | CN101436471B (en) |
| BR (1) | BRPI0804970B1 (en) |
| ES (1) | ES2432402T3 (en) |
| FR (1) | FR2923943B1 (en) |
| RU (1) | RU2470405C2 (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102012014104A1 (en) * | 2012-07-17 | 2014-02-06 | Abb Ag | Electrical service switching device |
| DE102013004093B4 (en) * | 2013-03-11 | 2015-01-08 | Abb Ag | Electric installation switchgear |
| CN103383907B (en) * | 2013-05-10 | 2015-07-08 | 长城电器集团有限公司 | Isolation module of plastic-shell leakage circuit breaker |
| CN103681139B (en) * | 2014-01-02 | 2015-12-09 | 浙江德隆电器有限公司 | A kind of circuit breaker |
| SI24729A (en) | 2014-05-23 | 2015-11-30 | Nela, Razvojni Center Za Elektroindustrijo In Elektroniko, D.O.O. | A mechanism for speed independent switching on contacts |
| CN204117869U (en) * | 2014-09-18 | 2015-01-21 | 浙江正泰电器股份有限公司 | The contact apparatus of circuit breaker |
| DE102015116493B4 (en) * | 2015-09-29 | 2021-10-07 | Eaton Intelligent Power Limited | Circuit breaker |
| CN108807098B (en) * | 2017-05-04 | 2023-08-22 | 周思雨 | Miniature circuit breaker and handle automatic closing assembly and closing method |
| CN107039216B (en) * | 2017-06-19 | 2020-09-01 | 厦门宏发开关设备有限公司 | Rapid closing mechanism of residual current operated circuit breaker |
| CN109094339A (en) * | 2018-08-24 | 2018-12-28 | 芜湖莫森泰克汽车科技股份有限公司 | Vehicle dormer window conduction photo chromic glass energized structural |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0897186A2 (en) * | 1997-08-14 | 1999-02-17 | Siemens Aktiengesellschaft | Switch mechanism for a circuit breaker |
| CN1298546A (en) * | 1998-03-27 | 2001-06-06 | 霍莱茨荷兰公司 | Switch with snap-action closure |
| EP1278225A1 (en) * | 2001-07-16 | 2003-01-22 | Hager Electro S.A. | Snap closing and breaking mechanism |
| CN1480967A (en) * | 2002-05-21 | 2004-03-10 | 溯高美股份有限公司 | Mechanized control modular for power break-off means and power break-off means arranged such modular |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2631485B1 (en) * | 1988-05-13 | 1995-06-02 | Merlin Gerin | MINIATURE CIRCUIT BREAKER CONTROL MECHANISM WITH CONTACT WELDING INDICATOR |
| FR2717617B1 (en) | 1994-03-15 | 1996-05-31 | Hager Electro | Improvement to differential switches. |
| DE29904223U1 (en) * | 1999-02-24 | 1999-06-02 | Siemens Ag | Drive device for a switching device, in particular for earthing switches of medium-voltage switchgear |
-
2007
- 2007-11-16 FR FR0708048A patent/FR2923943B1/en not_active Expired - Fee Related
-
2008
- 2008-10-08 ES ES08354073T patent/ES2432402T3/en active Active
- 2008-10-08 EP EP20080354073 patent/EP2061059B1/en active Active
- 2008-11-14 BR BRPI0804970A patent/BRPI0804970B1/en active IP Right Grant
- 2008-11-14 RU RU2008145028/07A patent/RU2470405C2/en active
- 2008-11-17 CN CN 200810178216 patent/CN101436471B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0897186A2 (en) * | 1997-08-14 | 1999-02-17 | Siemens Aktiengesellschaft | Switch mechanism for a circuit breaker |
| CN1298546A (en) * | 1998-03-27 | 2001-06-06 | 霍莱茨荷兰公司 | Switch with snap-action closure |
| EP1278225A1 (en) * | 2001-07-16 | 2003-01-22 | Hager Electro S.A. | Snap closing and breaking mechanism |
| CN1480967A (en) * | 2002-05-21 | 2004-03-10 | 溯高美股份有限公司 | Mechanized control modular for power break-off means and power break-off means arranged such modular |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2061059B1 (en) | 2013-08-21 |
| FR2923943B1 (en) | 2010-01-01 |
| BRPI0804970A2 (en) | 2010-07-27 |
| EP2061059A1 (en) | 2009-05-20 |
| CN101436471A (en) | 2009-05-20 |
| RU2008145028A (en) | 2010-05-20 |
| FR2923943A1 (en) | 2009-05-22 |
| RU2470405C2 (en) | 2012-12-20 |
| BRPI0804970B1 (en) | 2018-12-26 |
| ES2432402T3 (en) | 2013-12-03 |
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| C14 | Grant of patent or utility model | ||
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