CN1350314A - Improved remote-cortrol breaker - Google Patents
Improved remote-cortrol breaker Download PDFInfo
- Publication number
- CN1350314A CN1350314A CN01137126.9A CN01137126A CN1350314A CN 1350314 A CN1350314 A CN 1350314A CN 01137126 A CN01137126 A CN 01137126A CN 1350314 A CN1350314 A CN 1350314A
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- remote
- circuit breaker
- control circuit
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- 230000033001 locomotion Effects 0.000 claims description 46
- 238000000034 method Methods 0.000 claims description 38
- 230000007246 mechanism Effects 0.000 claims description 21
- 230000008569 process Effects 0.000 claims description 18
- 238000005086 pumping Methods 0.000 claims description 7
- 230000000977 initiatory effect Effects 0.000 claims description 5
- 230000005284 excitation Effects 0.000 claims description 2
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000009351 contact transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010338 mechanical breakdown Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
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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
- H01H71/66—Power reset mechanisms
- H01H71/70—Power reset mechanisms actuated by electric motor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H57/00—Electrostrictive relays; Piezoelectric relays
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- Breakers (AREA)
- Selective Calling Equipment (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
- Keying Circuit Devices (AREA)
Abstract
An improved remotely controlled circuit breaker, which comprises at least a remotely controlled piezoelectric motor assembly, which allows coupling electric contacts, during a closing operation of the remotely controlled circuit breaker.
Description
Invention field
The present invention relates to improved circuit breaker, present invention is specifically related to a kind of improved low pressure (just low voltage value is lower than 1KV) circuit breaker, it is remote control in the closed procedure process.
Correlation technique
Known low-voltage circuit breaker is to be used for breaking current circulation (for example being under failure condition) in distribution line.This is (open-circuit operation) that utilizes a kind of suitable spring mechanism that has two electrical contacts and distribution line to be connected in series of disjunction to realize.After circuit breaker executes open-circuit operation, need make circuit breaker return to normal operating conditions once more, just connect two electrical contacts (closed procedure) of circuit breaker so that allow electric current to pass through.Closed procedure utilizes a kind of manual closing mechanism to carry out often.Manual closing operates in often very difficult in some cases, particularly when circuit breaker is installed in the accessible or not far position of operating personnel.In order to address this problem, introduced remote-control circuit breaker in the prior art.Remote-control circuit breaker generally all is provided with a remote-control motor device, allows operating personnel can carry out closed procedure, need not artificial intervention.In fact can produce a kind of motion by the remote start(ing) electric machine, utilize suitable mechanical device to connect electrical contact.After electrical contact connects, make electric machine break away from mobile contact, allow circuit breaker continue its normal running, until carrying out open-circuit operation next time.
Known remote-control circuit breaker has several shortcomings.
In fact, above-mentioned remote-control motor device generally all comprises a remote-control motor, and its overall dimensions and the volume that takies are considerable often, because it exists inductance/capacitance circuit and/or winding.Facts have proved that such remote-control circuit breaker often is difficult to be installed on the distribution line switchboard (in fact, needs so-called a four-modular cartridge for the remote-control circuit breaker that holds known models) at least.Obviously, can cause the increase of mounting cost like this.In addition, the existence of motor need provide Motion Transmission that complicated mechanical devices produces motor to mobile contact.The existence of complicated machinery device obviously can further increase overall dimension.Have, because the likelihood ratio of mechanical breakdown is higher, the reliability of whole remote-control circuit breaker will inevitably reduce again.Also have, the complexity of mechanical device often means the manufacturing cost that needs are higher.
Summary of the invention
Main purpose of the present invention provides a kind of remote-control circuit breaker that can overcome above-mentioned shortcoming.In this scope, another object of the present invention provides a kind of remote-control circuit breaker, it is characterized in that having dwindled significantly overall dimensions and volume.
A further object of the present invention provides a kind of remote-control circuit breaker, and it can be reduced at mechanical device and the executive component that is used in the closed procedure process of circuit breaker to mobile contact transmission campaign greatly.
Another purpose of the present invention provides a kind of remote-control circuit breaker, it is characterized in that simplifying greatly installation and improves reliable grade.
Purpose of the present invention will provide a kind of remote-control circuit breaker of being convenient to the low cost manufacturing in addition.
Remote-control circuit breaker provided by the present invention comprises a fixed contact and a mobile contact at least, and it is connected with fixed contact respectively/disconnects in the closure/open-circuit operation process of remote-control circuit breaker.Further comprise the remote-control motor device according to remote-control circuit breaker of the present invention, in the closed procedure process of circuit breaker, utilize motion transfering device that mobile contact is connected to fixed contact.Be characterised in that according to remote-control circuit breaker of the present invention the remote-control motor device comprises the piezoelectric motor parts of at least one remote control.The piezoelectric motor operation of components of remote control is connected to motion transfering device, is used in the closed procedure process of remote-control circuit breaker mobile contact being connected to fixed contact.
Brief description of the drawings
From hereinafter with reference to other feature and advantage of the description of the drawings remote-control circuit breaker that the present invention may be better understood, in the accompanying drawings:
Fig. 1 has schematically shown the basic structure block diagram according to remote-control circuit breaker of the present invention;
Fig. 2 has schematically shown the most preferred embodiment according to a position of remote-control circuit breaker of the present invention;
Fig. 3 has schematically shown the best according to another position in the remote-control circuit breaker of the present invention
The schematic block diagram of embodiment;
Fig. 4 has schematically shown the best according to another position in the remote-control circuit breaker of the present invention
Embodiment;
Fig. 5 has schematically shown the best according to another position in the remote-control circuit breaker of the present invention
Embodiment;
Fig. 6 has schematically shown another most preferred embodiment according to another position in the remote-control circuit breaker of the present invention.
Detailed Description Of The Invention
Referring to Fig. 1, represented basic structure block diagram among the figure according to remote-control circuit breaker of the present invention (label is 1).
Remote-control circuit breaker 1 comprises a fixed contact 3 and a mobile contact 2 at least.Mobile contact 2 is connected/disconnects with fixed contact 3 respectively in the closure/open-circuit operation process of remote-control circuit breaker 1.
This remote-control circuit breaker 1 further comprises remote-control motor device 4, utilizes motion transfering device 5 that mobile contact 2 is connected to fixed contact 3 in the closed procedure process of remote-control circuit breaker 1.Remote-control motor device 4 comprises the piezoelectric motor parts 6 of at least one remote control, and it is operationally connected to motion transfering device 5, is used in the closed procedure process of remote-control circuit breaker 1 mobile contact 2 being connected to fixed contact 3.
Remote control piezoelectric motor parts 6 preferably comprise a stator apparatus 7, and it comprises at least one piezoelectric part 8 that is operationally connected on the rotor frame 9.Remote control piezoelectric motor parts 6 also comprise a rotor arrangement 10 that is operationally connected on the rotor frame 9.
Referring to Fig. 2, according to a most preferred embodiment of remote-control circuit breaker 1, rotor frame 9 preferably includes a flange component 11.Flange component 11 preferably has base wall 13 and generally perpendicularly outstanding outstanding wall 12 on the base wall 13.(part of only having represented flange component 11 among the figure) as shown in Figure 2, piezoelectric part 8 preferably comprise an above piezoelectric element 15 that is mechanically connected on the base wall 13.With predetermined pumping signal 16 excitation piezoelectric elements 15 (referring to Fig. 1), thus the elliptical motion 17 of determining to give prominence to wall 12.
In fact, can apply the pumping signal 16 that two different ultrasonic signals by 90 ° of phase differences constitute to two different parts (not shown) of piezoelectric element 15.So just can force the piezoelectric element 15 at each position to produce vibration by 90 ° of phase shifts.Vibration is passed to outstanding wall 12, produces " row ripple " (not shown) of two 90 °-phase shifts on outstanding wall 12.In this manner, a kind of elliptical motion 17 will take place in the each point of outstanding wall 12.
Pumping signal 16 (referring to Fig. 1) can produce by being positioned near remote-control motor parts 6 suitable electronic circuits 160.
Produce initiating signals 180 by preferably being contained in the locational remote control 18 that operating personnel are convenient to contact, and initiating signal is sent to electronic circuit 160.The transmission of initiating signal 80 can be finished according to the technology of well known to a person skilled in the art.Specifically, this transmission can be carried out according to traditional (electrical connection) mode or wireless mode.Or electronic circuit 160 and remote control 18 integrated.
According to embodiments of the invention, rotor arrangement 10 comprises a rotor disk 19 (not expression in Fig. 2, but can referring to Fig. 3 and 4).Rotor disk 19 is mechanically connected on the outstanding wall 12, can be used to produce a kind of rotatablely moving.
According to the most preferred embodiment of the present invention shown in the block diagram of Fig. 3, motion transfering device 5 preferably comprises an axle linear element 20 that is mechanically connected on the rotor disk 19.Axle linear element 20 can be mechanically connected on the rotor disk 19, or and rotor disk 19 structure-integrated.Motion transfering device 5 also preferably has toggle (toggle) element 21 that is operationally connected to a linear element 20.As mentioned below, can utilize a gear train 22 to realize the mechanical engagement of toggled component 21 and axle linear element 20.And then motion transfering device 5 preferably comprises a motion chain 23, is used for toggled component 21 is operationally connected to mobile contact 2 at least in the closed procedure process of remote-control circuit breaker.
Referring to Fig. 4, two kinds of different views of a most preferred embodiment of gear train 22 have been represented among the figure.Gear train 22 comprise one with the pinion element 24 of axle linear element 20 mechanical connections and one rotation rack elements 25 with toggled component 21 mechanical connections.Rotation rack elements 25 cooperates with pinion element 24, transmits motion to toggled component 21.If rotor disk 19 rotates on the direction of arrow 26, rotation rack elements 25 will be moved towards the direction of arrow 27, and toggled component 21 will be moved towards the direction of arrow 28 indications thereupon.It is also noted that Fig. 4 especially, rotatablely moving of rotor disk 19 converted to the motion of toggled component 21 effectively.
As mentioned above, toggled component 21 is operationally connected to mobile contact 2 by motion chain 23 in closing course.Referring to Fig. 5, motion chain 23 comprises a rod mechanism 30, and it comprises the rod element 31 of one or more mechanical connection between mobile contact 2 and toggled component 21, thereby transmits motion to mobile contact 2 in the closed procedure process.As shown in Figure 5, rod mechanism 30 can comprise four rod elements 31.This point is for the remote-control circuit breaker advantageous particularly of magnetic-thermal effect.Yet rod mechanism also can have the different elements 31 of varying number according to different needs.For example, the situation for the residual electric current breaker of remote control can advantageously adopt five rod elements.As mentioned above, according to the present invention, motion chain 23 can pass motion to mobile contact 2 in the closed procedure process of remote-control circuit breaker.Particularly can form suitable rotating hinge, thereby give mobile contact 2 Motion Transmission of toggled component 21 with rod mechanism 31.Referring to most preferred embodiment shown in Figure 5, toggled component 21 is ordered about the direction transverse movement of rotating hinge 35 towards arrow 32 towards the direction motion of arrow 28.The element 31a of rod mechanism 30 and the angle 34 between the 31b are reduced.In this manner, mobile contact just need move towards the direction of arrow 33, thereby is connected to fixed contact 3.
In case mobile contact 2 is connected to fixed contact 3, toggled component 21 just breaks away from motion chain 23 machineries.This can be realized that this tripping mechanism is known for those skilled in the art by a tripping mechanism (not shown).If necessary, this tripping mechanism can mesh with the sort of spring mechanism that separates (open-circuit operation) and the motion chain 23 of fixed contact 3 by being commonly used to carry out mobile contact 2.In this manner, the piezoelectric motor parts 6 of remote control can not have any influence to the open-circuit operation of remote-control circuit breaker, and according to the general market demand and/or standard, open-circuit operation is determined by above-mentioned spring mechanism.
After executing open-circuit operation, also need again closed electrical contact 2 and 3, remote control piezoelectric motor parts will be got back to its initial position.Can directly utilize the inverted phases of predetermined pumping signal to postpone to realize.In this motion process, utilize above-mentioned tripping mechanism make toggled component 21 once more with motion chain 23 mechanical engagement.In this manner, motion motor parts 6 just can drive the closed procedure of remote-control circuit breaker.
Or according to the present invention, in a most preferred embodiment of remote-control circuit breaker, toggled component 21 can be connected to motion chain 23 at pivoting point 35 places of correspondence, makes this point directly bear the motion 28 that toggled component 21 applies.In this case, according to the present invention, motion chain 23 comprise a rod mechanism 30 its only actually comprise two in the closed procedure process of remote-control circuit breaker, be used for to mobile contact 2 transmit motion the rod element (31a, 31b).In fact, in this case, rod element 31c and 31d only are used for the open-circuit operation under toggled component 21 and the motion chain 23 disengaging situations.Equally, toggled component 21 also can be connected on the motion chain 23 at other pivoting points of correspondence, for example is at pivoting point 36 places.In this case, motion chain 23 comprises a rod mechanism 30, and it only has a rod element 31a.It should be noted that the open-circuit operation of also being convenient to very much control remote-control circuit breaker 1 in this case with the piezoelectric motor parts.
Can realize the purpose estimated according to remote-control circuit breaker of the present invention.
In fact, being used for the remote control piezoelectric motor parts 6 of mobile mobile contact 2 can avoid using calutron.In fact, according to shown in most preferred embodiment, the motion that is produced by the piezoelectric motor parts of remote control mainly is " mechanical type " motion.Have tangible advantage according to this character of the present invention, can reduce the quantity of action element significantly, obviously dwindle the overall dimensions of remote-control circuit breaker and the volume that occupies.In fact, the verified remote-control circuit breaker of the present invention of practice so-called " two-module " box that is easy to pack into.
In addition, owing to lacked the calutron of the huge winding construction of needs employing, also has the feature that weight obviously alleviates according to remote-control circuit breaker of the present invention.Can bring lower manufacturing and installation cost by these facts.
And then, obviously reduce action element and can also improve functional reliability, and obtain big torque with low speed and relatively short reaction time easily.So just can obviously improve operating characteristics.
Be particularly suitable for the low pressure application of the following magnitude of voltage of 1KV just according to remote-control circuit breaker of the present invention.
Owing to adopt piezoelectric motor parts 6 only actuallies to have influence on closed procedure, this remote-control circuit breaker is according to for definite alternative different mode of open-circuit operation different models being arranged.Like this, remote-control circuit breaker of the present invention just can be used as the magnetic-thermal circuit beraker of remote control or the residual electric current breaker of remote control.As mentioned above, can determine different use patterns by selecting different disconnecting mechanisms to come as required in this case.
Can comprise one or more electrode that has at least one mobile contact 2 and a fixed contact 3 separately according to remote-control circuit breaker of the present invention.Particularly, can make three-utmost point formula or four-utmost point formula according to remote-control circuit breaker of the present invention.
Remote-control circuit breaker of the present invention can have many modifications and changes according to imagination, and all these belongs within the scope of the principle of the invention.All details can also substitute with the element of equivalence on the other technologies.The material that uses in the practice is only required as required and is satisfied concrete purposes and size with technical conditions.
Claims (18)
1. a remote-control circuit breaker comprises:
-at least one fixed contact and a mobile contact, above-mentioned mobile contact is connected/disconnects with the said fixing contact respectively in the closure/open-circuit operation process of above-mentioned remote-control circuit breaker; And
The remote-control motor device utilizes motion transfering device that above-mentioned mobile contact is connected to the said fixing contact in the closed procedure process of above-mentioned remote-control circuit breaker;
It is characterized in that above-mentioned remote-control motor device comprises the piezoelectric motor parts of at least one remote control, the piezoelectric motor operation of components of above-mentioned remote control is connected to above-mentioned motion transfering device, is used in the closed procedure process of above-mentioned remote-control circuit breaker above-mentioned mobile contact being connected to the said fixing contact.
2. according to the remote-control circuit breaker of claim 1, it is characterized in that the piezoelectric motor parts of above-mentioned remote control comprise:
-one stator apparatus, it comprises at least one piezoelectric part that is operationally connected on the rotor frame; And
-be operationally connected to a rotor arrangement on the said stator framework.
3. according to the remote-control circuit breaker of claim 2, it is characterized in that the said stator framework comprises the flange component that is provided with a base wall and an outstanding wall, above-mentioned outstanding wall is generally perpendicularly outstanding from above-mentioned base wall.
4. according to the remote-control circuit breaker of one or more claims in the claim 2 to 3, it is characterized in that above-mentioned piezoelectric part comprises the piezoelectric element of one or more and above-mentioned base wall mechanical connection, the excitation of the pumping signal that above-mentioned piezoelectric element is scheduled to, thereby the elliptical motion of definite above-mentioned outstanding wall.
5. according to the remote-control circuit breaker of one or more claims in the claim 2 to 4, it is characterized in that above-mentioned rotor arrangement comprises a rotor disk, above-mentioned rotor disk is mechanically connected to above-mentioned outstanding wall, thereby produces a kind of rotate-stationary mode.
6. according to the remote-control circuit breaker of one or more claims in the claim 2 to 5, the piezoelectric motor parts that it is characterized in that above-mentioned remote control are connected to an electronic circuit, and above-mentioned electronic circuit produces above-mentioned predetermined pumping signal and/or sends above-mentioned predetermined pumping signal to above-mentioned a plurality of piezoelectric element.
7. according to the remote-control circuit breaker of one or more claims in the claim 2 to 6, it is characterized in that above-mentioned electronic circuit is connected to remote control, above-mentioned remote control produces predetermined initiating signal and/or sends above-mentioned predetermined initiating signal to above-mentioned electronic circuit.
8. according to the remote-control circuit breaker of one or more claims in the aforementioned claim, it is characterized in that above-mentioned motion transfering device comprises at least:
-be mechanically connected to an axle linear element on the above-mentioned rotor disk; And
-be operationally connected to a toggled component of above-mentioned axle linear element; And
-one motion chain is used for being operatively connected above-mentioned toggled component and above-mentioned mobile contact at least in the closed procedure process of above-mentioned remote-control circuit breaker.
9. according to the remote-control circuit breaker of claim 8, it is characterized in that above-mentioned motion transfering device comprises a gear train, be used for above-mentioned toggled component is operationally connected to above-mentioned axle linear element.
10. according to the remote-control circuit breaker of claim 9, it is characterized in that said gear system comprises at least:
-be mechanically connected to a pinion element of above-mentioned axle linear element; And
-being mechanically connected to a rotation rack elements of above-mentioned toggled component, above-mentioned rotation rack elements and above-mentioned pinion element mechanical engagement pass motion to above-mentioned toggled component.
11. remote-control circuit breaker according to one or more claims in the claim 8 to 10, it is characterized in that above-mentioned motion chain comprises a rod mechanism that is made of one or more rod element, the rod element is connected between above-mentioned mobile contact and the above-mentioned toggled component, thereby passes motion to above-mentioned mobile contact at least in the above-mentioned closed procedure process of above-mentioned remote-control circuit breaker.
12., it is characterized in that above-mentioned rod mechanism is made of single rod element according to the remote-control circuit breaker of claim 11.
13., it is characterized in that above-mentioned rod mechanism is made of two rod elements according to the remote-control circuit breaker of claim 11.
14., it is characterized in that above-mentioned rod mechanism is made of four rod elements according to the remote-control circuit breaker of claim 11.
15., it is characterized in that above-mentioned rod mechanism is made of five rod elements according to the remote-control circuit breaker of claim 11.
16. according to the remote-control circuit breaker of one or more claims in the claim 8 to 15, it is characterized in that above-mentioned toggled component when above-mentioned mobile contact is connected to the said fixing contact and above-mentioned motion chain machinery break away from.
17., it is characterized in that it is a kind of magnetic-thermal circuit beraker of remote control according to the remote-control circuit breaker of one or more claims in the aforementioned claim.
18., it is characterized in that it is a kind of residual electric current breaker of remote control according to the remote-control circuit breaker of one or more claims in the claim 1 to 16.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP00203673.9 | 2000-10-23 | ||
| EP00203673A EP1202316B1 (en) | 2000-10-23 | 2000-10-23 | An improved remotely controlled circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1350314A true CN1350314A (en) | 2002-05-22 |
| CN1227682C CN1227682C (en) | 2005-11-16 |
Family
ID=8172164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN01137126.9A Expired - Fee Related CN1227682C (en) | 2000-10-23 | 2001-10-23 | Improved remote-cortrol breaker |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP1202316B1 (en) |
| CN (1) | CN1227682C (en) |
| AT (1) | ATE363130T1 (en) |
| DE (1) | DE60034949T2 (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2864912A (en) * | 1955-06-23 | 1958-12-16 | Ite Circuit Breaker Ltd | Motor operated circuit breaker |
| US5170088A (en) * | 1989-06-23 | 1992-12-08 | Alps Electric Co., Ltd. | Driving structure for electronic parts in a mechanism |
| US5180051A (en) * | 1991-06-28 | 1993-01-19 | Square D Company | Remote control circuit breaker |
| JP3043124B2 (en) * | 1991-08-26 | 2000-05-22 | キヤノン株式会社 | Traveling wave type motor device |
| US5457351A (en) * | 1991-10-31 | 1995-10-10 | Matsushita Electric Industrial Co., Ltd. | Ultrasonic motor |
| GB9811277D0 (en) * | 1998-05-26 | 1998-07-22 | Pbt Limited | Piezo ceramic operated mechanism |
| ATE318451T1 (en) * | 1999-06-04 | 2006-03-15 | Norbert Beyrard France Sarl | SWITCH DRIVEN BY A PIEZOELECTRIC MOTOR |
-
2000
- 2000-10-23 DE DE60034949T patent/DE60034949T2/en not_active Expired - Lifetime
- 2000-10-23 EP EP00203673A patent/EP1202316B1/en not_active Expired - Lifetime
- 2000-10-23 AT AT00203673T patent/ATE363130T1/en not_active IP Right Cessation
-
2001
- 2001-10-23 CN CN01137126.9A patent/CN1227682C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| DE60034949D1 (en) | 2007-07-05 |
| CN1227682C (en) | 2005-11-16 |
| EP1202316B1 (en) | 2007-05-23 |
| EP1202316A1 (en) | 2002-05-02 |
| DE60034949T2 (en) | 2008-01-24 |
| ATE363130T1 (en) | 2007-06-15 |
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