CN1601686A - Ameliorated lock mechanism for circuit breakers and circuit breaker incorporating such lock - Google Patents
Ameliorated lock mechanism for circuit breakers and circuit breaker incorporating such lock Download PDFInfo
- Publication number
- CN1601686A CN1601686A CNA2004100119642A CN200410011964A CN1601686A CN 1601686 A CN1601686 A CN 1601686A CN A2004100119642 A CNA2004100119642 A CN A2004100119642A CN 200410011964 A CN200410011964 A CN 200410011964A CN 1601686 A CN1601686 A CN 1601686A
- Authority
- CN
- China
- Prior art keywords
- electric connection
- interlocking device
- movably
- bimetal leaf
- framework
- 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
Links
- 230000001668 ameliorated effect Effects 0.000 title 1
- 239000004033 plastic Substances 0.000 claims description 10
- 229920003023 plastic Polymers 0.000 claims description 10
- 230000000694 effects Effects 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 7
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 230000013011 mating Effects 0.000 claims description 2
- 230000007935 neutral effect Effects 0.000 description 3
- 210000000078 claw Anatomy 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000010148 water-pollination Effects 0.000 description 1
Images
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
-
- 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
- H01H71/529—Manual reset mechanisms which may be also used for manual release actuated by lever comprising an electroresponsive element forming part of the transmission chain between handle and contact arm
Landscapes
- Breakers (AREA)
- Thermally Actuated Switches (AREA)
Abstract
The present invention relates to an interlocking mechanism acting on at least one movable electric connector (1). The movable electric connector (1) moves between two stable positions relative to a fixed electric connector (2), the two stable positions are respectively turned on and turned off corresponding to the circuit. The interlocking mechanism includes a heat-sensitive cut off bimetal (3). According to the invention, the heat-sensitive cut off bimetal (3) is fixed on a frame which is provided with the movable electric connector (1).
Description
Technical field
The present invention relates to the general technology field of electric equipment, more particularly, the present invention relates to be used for protection circuit or switch, so that the field of the modular apparatus of protection personnel's circuit breaker type.
The invention particularly relates to a kind of interlocking device that is used for magnetic-thermal release formula circuit breaker or that be used for switch or similar devices, is particularly useful for the phase line circuit breaker; The invention still further relates to the circuit breaker that is equipped with this interlocking device.
Background technology
The circuit breaker that route protection is used has the circuit that extends usually between two terminals in its housing; Also comprise and be used for the bimetal leaf that protection circuit prevents that the temperature-sensitive of transshipping from disconnecting; And an electromagnetism disconnecting members that comprises coil, have the inserted-link type iron core that is connected with push rod in the coil, in order to when the short circuit, by open with one or several fixedly electric connections contacted one movably electric connection guarantee that circuit disconnects.Phase line and neutral line circuit breaker comprise that also one has fixedly electric connection and the movably neutral line utmost point of electric connection except comprising the described phase line utmost point, the movably electric connection of the neutral line is activated together with the movably electric connection of the phase line utmost point.
Movably the startup of electric connection generally realizes by a crank type interlocking device, crank type interlocking device generally includes the control element of a joystick type, can manual operation and drive a drive link, carrying one or several movably swivel cougling bearing part of electric connection in order to promote one, so that these movably electric connection be pressed in one fixedly on the electric connection, until arriving such position, on this position, crank throw is pressed against on the joint bearing part, utilize a ratchet, stop its disengagement and release, under normal circumstances just can stop drive link towards reciprocal, promptly joint is opened the drawback movement of direction.Manual unlocking realizes by operating this handle in reverse direction.The normally effect by bimetal leaf, perhaps the push rod by coil starts circuit breaker against the effect of handle direction of displacement, so that ratchet is discharged, thereby drive link is thrown off, thereby opens electric connection.
For example there is corresponding description in this interlocking device in European patent EP-0 570 647 B1.
For example people know a kind of at least one movably interlocking device of electric connection that acts on, this movably electric connection move between two stable positions with respect to a fixing electric connection, these two settling positions corresponding respectively the disconnection and the closure of circuit.Described interlocking device comprises the bimetal leaf that a temperature-sensitive disconnects.
Also there are some defectives in known interlocking device.In fact, according to various installation occasions, electric equipment and the influence that the atmospheric humidity that the circuit breaker of this interlocking device changed is housed.
The variation of atmospheric humidity is the first cause that causes the size of (especially having constituted those inner members interlocking device's supporting member or other function element supporting member) hydrophily plastic material of inner member to change.These change in size are equivalent to the relative motion of thermosensitive bimetal or interlocking device, thereby can influence the time limit that circuit breaker disconnects.
Summary of the invention
Therefore, the objective of the invention is to overcome these defectives, and realize a kind of circuit breaker, the time limit of its disconnection does not change because of the distortion of humidity problem or function element.
According to the present invention, the bimetal leaf 3 that temperature-sensitive disconnects is fixed on the framework that electric connection 1 movably is housed on it.
The temperature-sensitive that so just can omit bimetal leaf disconnects the used plastic casing of driving-chain.Box body no longer influences this disconnection, uses hydrophilic material also just can realize.
Bimetal leaf and interlocking device can also be combined as a whole, can therefore not increase volume.So just can economize out the function that space in the circuit breaker is used for other.Bimetal leaf is directly installed on the member that can also simplify circuit breaker in the interlocking device, has particularly reduced the quantity of member.
The bimetal leaf that this structure can also make temperature-sensitive disconnect is independent of the contingent relative displacement of interlocking device's member or distortion and keeps same disconnection threshold.The equipment that interlocking device of the present invention is housed is in its time limit in useful life, and each startup all need not to adjust the disconnection threshold that temperature-sensitive disconnects bimetal leaf.
So just obtained the assembly of a bimetal leaf, it does not change the free end of bimetal leaf and the distance between actuator, and this actuator is connected in a switch module and is subjected to the effect of bimetal leaf sensitively.
According to one embodiment of the present of invention, framework be metal or plastics.
According to one embodiment of the present of invention, this interlocking device comprise one be installed in pivotally on the framework and can act on the movably switch module of electric connection, this switch module comprises an actuator, the free end mating reaction of this actuator and bimetal leaf, and can under the effect of the bimetal leaf that temperature-sensitive disconnects, make described switch module produce swing.
Described switch module and actuator for example are made of plastics a member.
According to an embodiment, described interlocking device has the stroke collocation structure, described stroke collocation structure comprises the installed part that described movably electric connection is pivoted around described framework, described installed part is relative with an elastic reset spare, and when described movably electric connection with described fixedly when electric connection is electrically connected, described elastic reset spare makes described movably electric connection move with respect to described framework.
The invention still further relates to equipment described interlocking device, that be used to protect electric line or protection personnel above a kind of having comprised.
The invention still further relates to a kind of circuit breaker, it comprises:
That be made of plastics, as to have two and half a shell structures shell;
Some are used for the assembling element of two and half shells;
Some are used in the retaining element on the rail type supporting member;
At least two electric wiring terminals;
An executive component that can between two settling positions, move;
A magnet assembly, it comprises a push rod that can disconnect electrical connection; And
An aforesaid interlocking device.
Description of drawings
By below in conjunction with accompanying drawing, be used for for example rather than restrictive detailed description fully, other features of the present invention will become more obvious, wherein:
Fig. 1 is the exploded view of an embodiment of interlocking device of the present invention;
Fig. 2 and Fig. 3 are the sectional view of the interlocking device among Fig. 1 when being in different operating states;
Fig. 4 and Fig. 5 are the partial schematic diagrams of circuit breaker of the present invention, have represented when electrical connection is closed respectively and the state in when disconnection;
Fig. 6 and Fig. 7 are the external views of the broken section of circuit breaker of the present invention.
Embodiment
The shown interlocking device of the present invention of the exploded view of Fig. 1 is used to be assembled into electric equipment, for example in the circuit breaker.This interlocking device drives an electric connection 1 movably, and the latter abuts in Fig. 4 for example to one fixedly on the electric connection 2 shown in Figure 7.
Interlocking device also comprises the bimetal leaf 3 that links to each other with a member of described interlocking device, temperature-sensitive disconnects.The configuration example of interlocking device is as comprising the lower side panel 4 that is equipped with epipleural 5 above, and bimetal leaf 3 just is fixed on the epipleural.Bimetal leaf for example is fixed on the epipleural by one or several pad.Adopt electric conducting material, copper for example forms the assembly of lower side panel 4 and epipleural 5 by any known mechanical system.
This structure especially has advantage aspect the volume that does not increase interlocking device.In addition, also no longer need other be used for install or the fixedly element or the measure of bimetal leaf 3.Therefore, bimetal leaf 3 becomes a part of interlocking device.The side plate up and down 4,5 that is connected with the bimetal leaf 3 of temperature-sensitive disconnection has just constituted the frameworks of joint bearing part like this.This framework for example is a metal.
Lower side panel 4 also is provided with an axle 6, on the axle 6 switch module of being made by insulating material 7 is installed rotationally.When current overload, switch module 7 can make movably electric connection 1 and fixedly electric connection 2 be separated from each other, because switch module 7 is installed rotationally, this just makes it can promote movably electric connection 1, one end of switch module 7 abuts in movably on the electric connection 1, so that the latter is swayed and it is separated with fixing electric connection 2.
Movably electric connection 1 preferably is installed on the metal framework that is made of epipleural 4 and lower side panel 5 or in this framework.This installation is to realize by pivot 1a is inserted among the corresponding hole 5a on lower side panel 4 and the epipleural 5.
Back-moving spring 8 also is housed, for example is installed in movably between the electric connection 1 and lower side panel with its two ends.
Movably therefore electric connection 1 can or sway in the framework on its framework of installing.
Fig. 4 has represented electric connection 1 movably and the fixing electric on-state when closed between the electric connection 2, and interlocking device corresponding state.This moment, bimetal leaf 3 was in undeformed inoperative state.
In Fig. 5, bimetal leaf 3 is for example owing to overload current deforms, then promote actuator 9 thereby also pull switch assembly 7 so that movably electric connection 1 and fixedly electric connection 2 be separated from each other.
Interlocking device also has the stroke collocation structure of wearing and tearing.The stroke collocation structure of wearing and tearing comprises the installed part that electric connection 1 is movably pivoted around framework.Utilize an elastic reset spare that installed part is rotated, this elastic reset spare overcomes makes movably that electric connection 1 drives the restoring force that moves with respect to framework, when fixedly electric connection 2 is electrically connected, described movably electric connection 1 is moved with respect to framework.So absorbed the variation that causes because of moist, perhaps made housing distortion and then some element expand or shrink the variation that causes at size or vpg connection because of atmospheric humidity at size or vpg connection.
Circuit breaker of the present invention also comprises an executive component 11, and it can move between a stable active position Fig. 4 and a stable not active position Fig. 5.When switch module 7 swayed as shown in Figure 5, executive component 11 automatically returned its not active position.
The solid memder that switch module 7 and actuator 9 for example are made of plastics constitutes.
The circuit breaker of the present invention that is illustrated among Fig. 4 to Fig. 7 comprises a plastic casing 12, and some retaining elements 13 on (unshowned) rail type supporting member.Circuit breaker comprises executive component 11, and it can move between two settling positions, and one of them is the active position that is illustrated among Fig. 4, and another is the not active position that is illustrated among Fig. 5, thereby can manually control the operating state of described circuit breaker.
Circuit breaker comprises a magnet assembly 14 that has push rod 15, and described push rod 15 can make movably electric connection 1 separate from fixing electric connection 2.Magnet assembly 14 is connected in fixedly electric connection 2 by an excitation coil 16.
Circuit breaker of the present invention also comprises for example foregoing interlocking device, and this interlocking device is image pattern 6 and be in two states as shown in Figure 7 for example, this two states corresponding respectively movably electric connection 1 disconnect and closed state with fixing electric connection 2.When first state shown in Figure 6, interlocking device is because the distortion of bimetal leaf 3 perhaps because push rod 15 is applied to the thrust on the switch module 7, thereby is placed in not starting state.For the sake of clarity, the bimetal leaf 3 that in Fig. 6 and Fig. 7 temperature-sensitive is disconnected is expressed as and is in its two states, and one of them is a deformation state, and another is a deformation state not.
Circuit breaker of the present invention also comprises two binding posts 17, and first binding post wherein is directly connected in an end of excitation coil 16; Second binding post wherein is connected in the bimetal leaf 3 that temperature-sensitive disconnects by connecting lead 18.
(reset to its active position) when executive component 11 resets again, this executive component 11 places electric connection 1 and the fixing closed mutually states of electric connection 2 of making movably with interlocking device.The effect of the interlocking device that is caused by executive component 11 realizes that by drive link 19 this drive link 19 is connected in interlocking device with described executive component 11.
The embodiment form and the function of this interlocking device for example, have been described in European patent EP-0 570 647.
Second 19b of branch can move in the 4a of hole, and is especially all the more so when executive component 11 sways.Hole 4a also comprises a rake 4b, and second 19b of branch just remains among this rake 4b, and this maintenance realizes by means of the claw 7b that switch module 7 other ends form.
Whenever electric connection 1,2 is in closure state (Fig. 2), the distortion of bimetal leaf 3 just promotes actuator 9 along the direction of triangle arrow, and makes switch module 7 sway.Switch module 7 sway (Fig. 3) moves claw 7b, and discharges second 19b of branch.Rake 4b especially in conjunction with for example additionally being installed in the effect of the back-moving spring between lower side panel 4 and the housing 12, makes second 19b of branch throw off in the 4b of hole, and metal framework is along the swing of triangle arrow direction, thereby makes electric connection 1,2 disconnect mutually.
Connecting line 18 for example is made of the conduction cable.
Interlocking device, and therefore circuit breaker of the present invention, the remarkable advantage that is had is that 3 need of bimetal leaf that temperature-sensitive disconnects are connected in a cable, thereby connect in (unshowned) binding post.Another section cable is served as by metal framework, and this metal framework is by 4,5 formations of the side plate up and down that has constituted the joint bearing part.
In an embodiment of the present invention, through moisture, wearing and tearing or the size that expansion caused or the variation in shape of some element just dissolved, thereby the disconnection time limit of bimetal leaf 3 remains unchanged.
Claims (7)
1. interlocking device, act at least one movably electric connection (1), described movably electric connection (1) moves between two stable positions with respect to a fixing electric connection (2), described two settling positions correspond respectively to the disconnection and the closure of circuit, described interlocking device comprises the bimetal leaf (3) that a temperature-sensitive disconnects, it is characterized in that the bimetal leaf (3) that described temperature-sensitive disconnects is fixed on the framework, described movably electric connection (1) is installed on the described framework.
2. interlocking device as claimed in claim 1, it is characterized in that, described interlocking device comprises a switch module (7) that is installed on the described framework pivotally and can acts on described movably electric connection (1), described switch module (7) comprises an actuator (9), the free end mating reaction of described actuator (9) and described bimetal leaf (3), and can under the effect of the bimetal leaf (3) that described temperature-sensitive disconnects, make described switch module (7) produce swing.
3. interlocking device as claimed in claim 2 is characterized in that, described switch module (7) and described actuator (9) are made of plastics a member.
4. as each described interlocking device in the claim 1 to 3, it is characterized in that, described framework be metal or plastics.
5. as each described interlocking device in the claim 1 to 4, it is characterized in that, described interlocking device has the stroke collocation structure, described stroke collocation structure comprises the installed part that described movably electric connection (1) is pivoted around described framework, described installed part is relative with an elastic reset spare, and when described movably electric connection (1) and described fixedly electric connection (2) when being electrically connected, described elastic reset spare makes described movably electric connection (1) move with respect to described framework.
6. an electric equipment that is used to protect electric line or protection personnel is characterized in that described electric equipment comprises as each described interlocking device in the claim 1 to 5.
7. electrical circuit breakers comprises:
One shell (12) is made of plastics, has two and half shell structures;
Some assembling elements are used for two and half shells;
Some retaining elements (13) are used on the rail type supporting member;
At least two electric wiring terminals;
One executive component (11) can move between two settling positions;
One magnet assembly (14) comprises the push rod (15) that electric connection (1) is movably separated from fixing electric connection (2); And
As each described interlocking device in the claim 1 to 5.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0308948 | 2003-07-22 | ||
| FR0308948A FR2858107B1 (en) | 2003-07-22 | 2003-07-22 | IMPROVED LOCK MECHANISM FOR CIRCUIT BREAKER AND CIRCUIT BREAKER INCORPORATING SUCH LOCK MECHANISM |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1601686A true CN1601686A (en) | 2005-03-30 |
| CN100386837C CN100386837C (en) | 2008-05-07 |
Family
ID=33548288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100119642A Expired - Fee Related CN100386837C (en) | 2003-07-22 | 2004-07-22 | Ameliorated lock mechanism for circuit breakers and circuit breaker incorporating such lock |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP1505619B1 (en) |
| CN (1) | CN100386837C (en) |
| FR (1) | FR2858107B1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1996534B (en) * | 2005-10-28 | 2012-06-13 | 黑格电子股份有限公司 | Components of electric appliances composed by mechanical lock and temperature sensitive element |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106206191B (en) * | 2016-08-31 | 2019-11-12 | 厦门宏发开关设备有限公司 | A kind of interlocking mechanism, the control panel and breaker for having the interlocking mechanism |
| CN106571271B (en) * | 2016-08-31 | 2018-12-18 | 厦门宏发开关设备有限公司 | A kind of interlocking mechanism, the control panel and breaker for having the interlocking mechanism |
| CN106169398B (en) * | 2016-08-31 | 2018-07-20 | 厦门宏发开关设备有限公司 | A kind of interlocking mechanism, the breaker for having the interlocking mechanism |
| CN106169399B (en) * | 2016-08-31 | 2018-10-09 | 厦门宏发开关设备有限公司 | A kind of interlocking mechanism, the control panel and breaker for having the interlocking mechanism |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2209352A (en) * | 1938-04-15 | 1940-07-30 | Colt S Mfg Co | Automatic circuit breaker |
| DE1904731C3 (en) * | 1969-01-31 | 1975-11-20 | Joseph Dipl.-Ing. 8500 Nuernberg Westermeyer | Small electrical self switch |
| US3949344A (en) * | 1974-12-09 | 1976-04-06 | Texas Instruments Incorporated | Thermostatic control apparatus |
| DD132379B1 (en) * | 1976-08-02 | 1981-04-29 | Guenther Kammer | OVERLOAD CABLE SWITCH IN NARROW CONSTRUCTION |
| CN2459750Y (en) * | 2000-12-13 | 2001-11-14 | 郑祥品 | Small sized circuit breaker |
-
2003
- 2003-07-22 FR FR0308948A patent/FR2858107B1/en not_active Expired - Fee Related
-
2004
- 2004-07-13 EP EP04360064.2A patent/EP1505619B1/en not_active Expired - Lifetime
- 2004-07-22 CN CNB2004100119642A patent/CN100386837C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1996534B (en) * | 2005-10-28 | 2012-06-13 | 黑格电子股份有限公司 | Components of electric appliances composed by mechanical lock and temperature sensitive element |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2858107A1 (en) | 2005-01-28 |
| FR2858107B1 (en) | 2010-02-19 |
| EP1505619B1 (en) | 2017-09-06 |
| CN100386837C (en) | 2008-05-07 |
| EP1505619A1 (en) | 2005-02-09 |
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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 | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: HUIZHOU HAGER ELECTRIC CO.,LTD. Assignor: HAGER-ELECTRO S.A.S. Contract record no.: 2011990001100 Denomination of invention: Ameliorated lock mechanism for circuit breakers and circuit breaker incorporating such lock Granted publication date: 20080507 License type: Exclusive License Open date: 20050330 Record date: 20111219 |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080507 Termination date: 20210722 |