CN104538262B - Chopper and energy storage thereof and resetting-mechanism - Google Patents

Chopper and energy storage thereof and resetting-mechanism Download PDF

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Publication number
CN104538262B
CN104538262B CN201510039434.7A CN201510039434A CN104538262B CN 104538262 B CN104538262 B CN 104538262B CN 201510039434 A CN201510039434 A CN 201510039434A CN 104538262 B CN104538262 B CN 104538262B
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China
Prior art keywords
energy storage
rod
axle
moving spring
restoring lever
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CN201510039434.7A
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CN104538262A (en
Inventor
柳德金
万里浩
陈正馨
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Zhejiang Chint Electrics Co Ltd
Shanghai Electrical Apparatus Research Institute Co Ltd
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Zhejiang Chint Electrics Co Ltd
Shanghai Electrical Apparatus Research Institute Co Ltd
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Application filed by Zhejiang Chint Electrics Co Ltd, Shanghai Electrical Apparatus Research Institute Co Ltd filed Critical Zhejiang Chint Electrics Co Ltd
Priority to CN201510039434.7A priority Critical patent/CN104538262B/en
Publication of CN104538262A publication Critical patent/CN104538262A/en
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Classifications

    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10Operating or release mechanisms

Abstract

Present invention is disclosed energy storage and the resetting-mechanism of a kind of chopper, including: energy storage rod member, restoring lever and back-moving spring.Energy storage rod member is around the energy storage axis of rotation being positioned in the middle part of energy storage rod member, energy storage rod member has the energy storage arm of extension, energy storage rod member is made up of the energy storage bar sheet that two panels side view is consistent, between two panels energy storage bar sheet spaced, between two panels energy storage bar sheet, there is the first axle and the second axle, first axle is positioned in the middle part of energy storage rod member, and the second axle is positioned at the end of energy storage arm.Restoring lever is around the reset axis of rotation being positioned in the middle part of restoring lever, and the first end of restoring lever extends between two panels energy storage bar sheet and is connected to the first axle.First end of back-moving spring is connected to the second end of restoring lever, and the second end of back-moving spring is connected in fixed plate, and fixed plate fixedly mounts.With restoring lever in the same plane, back-moving spring is positioned at outside energy storage rod member back-moving spring.Present invention further teaches a kind of chopper using this energy storage and resetting-mechanism.

Description

Chopper and energy storage thereof and resetting-mechanism
Technical field
The present invention relates to low voltage electrical apparatus technology field, more particularly, it relates to the open circuit in low-voltage electrical apparatus Device.
Background technology
When chopper switches between energy storage, combined floodgate, each state of separating brake, need to rely on energy storage And resetting-mechanism.Fig. 1 discloses the energy storage of employing prior art and the structure of the chopper of resetting-mechanism Figure.As it is shown in figure 1, the energy storage of prior art and resetting-mechanism have following several construction features:
1) using two back-moving springs 103, two back-moving springs 103 lay respectively at restoring lever 112 Both sides.
2) energy storage lever 113 is made up of two panels energy storage bar sheet, two back-moving springs 103 and reset thick stick Bar 112 is all located between two panels energy storage bar sheet.
There is following problem in said structure:
1) two back-moving springs 103 and restoring lever are accommodated due to the width of energy storage lever 113 112, therefore its width can be bigger.In order to obtain relatively stable reset effect, back-moving spring 103 Diameter can not be the least so that the width of energy storage lever 113 also can be bigger.Whole at chopper Body is under the trend of miniaturization, and the width that energy storage lever 113 is bigger is disadvantageous.
2) outside dimension of back-moving spring 103 not only affects the width of energy storage lever 113, also can Affect blow-off pin and for connecting the size of the connecting pin of back-moving spring, at two back-moving springs 103 also In the case of row is arranged, it is bigger that the size of blow-off pin and connecting pin also can be designed, and this also can shadow Ring the miniaturization of chopper.
3) there is error unavoidably due to spring processing, the performance change of spring is the most different after a procedure, In the case of restoring lever both sides use two back-moving springs simultaneously, actually used in two springs Spring force is difficult to accomplish identical, therefore will result in both sides spring force unequal.Both sides spring force Unequal meeting causes the inclination of energy storage lever and restoring lever so that back-moving spring and above-mentioned parts or Cam part around produces friction, and friction can aggravate the damage of back-moving spring, causes disabler also Reduction of service life.
Summary of the invention
It is contemplated that propose energy storage and the resetting-mechanism of a kind of chopper, use single spring and have Less volume.
According to one embodiment of the invention, energy storage and the resetting-mechanism of a kind of chopper are proposed, including: Energy storage rod member, restoring lever and back-moving spring.Energy storage rod member turns around the energy storage being positioned in the middle part of energy storage rod member Axle rotates, and energy storage rod member has the energy storage arm of extension, and energy storage rod member is by the consistent storage of two panels side view Can form by bar sheet, spaced between two panels energy storage bar sheet, between two panels energy storage bar sheet, there is the first axle With the second axle, the first axle is positioned in the middle part of energy storage rod member, and the second axle is positioned at the end of energy storage arm.Reset thick stick Bar is around the reset axis of rotation being positioned in the middle part of restoring lever, and the first end of restoring lever extends to two panels storage Can be between bar sheet and be connected to the first axle.First end of back-moving spring is connected to the second end of restoring lever, Second end of back-moving spring is connected in fixed plate, and fixed plate is fixed on Shell of circuit breaker.Reset bullet With restoring lever in the same plane, back-moving spring is positioned at outside energy storage rod member spring.
In one embodiment, the second axle is connected to guide rod assembly, and guide rod assembly is connected with energy-stored spring, Energy storage rod member rotates, and guide rod assembly is to energy-stored spring energy storage.Straight line between energy storage rotating shaft and the second axle Distance is the energy storage arm of force.
In one embodiment, the width of one end that energy storage rod member is relative with energy storage arm is L, energy storage power A length of L2, L2 are L 1.3 times of arm~2 times.
According to one embodiment of the invention, a kind of chopper is proposed, including energy-stored spring, guide rod assembly, Cam, cramp assembly, spindle assemblies, axle assembly and energy storage and resetting-mechanism, wherein energy storage and Resetting-mechanism includes: energy storage rod member, restoring lever and back-moving spring.Energy storage rod member is around being positioned at energy storage bar Energy storage axis of rotation in the middle part of part, energy storage rod member has the energy storage arm of extension, and energy storage rod member is by two panels side The energy storage bar sheet composition that face shape is consistent, spaced between two panels energy storage bar sheet, two panels energy storage bar sheet Between there is the first axle and the second axle, the first axle is positioned in the middle part of energy storage rod member, and the second axle is positioned at energy storage arm End.Restoring lever is around the reset axis of rotation being positioned in the middle part of restoring lever, the first of restoring lever End extends between two panels energy storage bar sheet and is connected to the first axle.First end of back-moving spring is connected to multiple Second end of position lever, the second end of back-moving spring is connected in fixed plate, and fixed plate is fixed on open circuit On device housing.Back-moving spring and restoring lever in the same plane, back-moving spring be positioned at energy storage rod member it Outward.
In one embodiment, the second axle is connected to guide rod assembly, and guide rod assembly is connected with energy-stored spring, Energy storage rod member rotates, and guide rod assembly is to energy-stored spring energy storage.Straight line between energy storage rotating shaft and the second axle Distance is the energy storage arm of force.
In one embodiment, the width of one end that energy storage rod member is relative with energy storage arm is L, energy storage power A length of L2, L2 are L 1.3 times of arm~2 times.
The chopper of the present invention and energy storage and resetting-mechanism thereof use single back-moving spring, with restoring lever Being arranged in approximately the same plane, back-moving spring is from the internal removal of energy storage rod member, the thus width of energy storage rod member Degree no longer receives the restriction of back-moving spring size, and single spring also eliminates the unbalanced problem of spring force, By increasing the length of the energy storage arm of force, under smaller size smaller, also can obtain reliable energy storage power.
Accompanying drawing explanation
The above and other feature of the present invention, character and advantage will be by below in conjunction with the accompanying drawings and real Executing the description of example and become apparent, the most identical reference represents identical spy all the time Levy, wherein:
Fig. 1 discloses the energy storage of employing prior art and the structure chart of the chopper of resetting-mechanism.
Fig. 2 discloses the structure chart of energy storage rod member of the prior art.
Fig. 3 discloses according to the structure of energy storage rod member in one embodiment of the invention energy storage and resetting-mechanism Figure.
Fig. 4 discloses the energy storage of the employing present invention and the structure chart of the chopper of resetting-mechanism.
Fig. 5 discloses the energy storage of the employing present invention and the cross section structure figure of the chopper of resetting-mechanism.
Fig. 6 is the size comparison diagram of energy storage rod member in the present invention and prior art.
Detailed description of the invention
With reference to shown in Fig. 3~Fig. 5, Fig. 3 discloses according to one embodiment of the invention energy storage and reset machine The structure chart of energy storage rod member in structure.Fig. 4 discloses energy storage and the open circuit of resetting-mechanism using the present invention The structure chart of device.Fig. 5 discloses the cross section knot of the energy storage of the employing present invention and the chopper of resetting-mechanism Composition.
The energy storage of this chopper and resetting-mechanism include energy storage rod member 213, restoring lever 212 and reset Spring 203.Energy storage rod member 213 rotates around the energy storage rotating shaft 231 being positioned in the middle part of energy storage rod member.Energy storage Rod member 213 has the energy storage arm 232 of extension.Energy storage rod member 213 is by the consistent storage of two panels side view Can bar sheet 233 form, spaced between two panels energy storage bar sheet 233, two panels energy storage bar sheet 233 it Between there is the first axle 234 and the second axle 235, the first axle 234 is positioned in the middle part of energy storage rod member, the second axle 235 ends being positioned at energy storage arm 232.In figure 3, is also had at the top of energy storage rod member 213 Three axles, the 3rd axle, for linking with the miscellaneous part in chopper, is not described in detail at this.Continue With reference to shown in Fig. 3, rotating shaft 231 is positioned at the outside of two panels energy storage bar sheet 233, the rotating shaft 231 of both sides It is aligned with each other.Spacing distance between two panels energy storage bar sheet 233 is less, and generally, its interval can be less than The diameter of single back-moving spring 203, i.e. back-moving spring 203 cannot put into two energy storage bar sheets 233 Between.It is so designed that the size of horizontal (i.e. the width) that can effectively reduce energy storage rod member 213.
Restoring lever 212 rotates around the reset rotating shaft 214 being positioned in the middle part of restoring lever 212, reset thick stick First end of bar 212 extends between two panels energy storage bar sheet 233 and is connected to the first axle 234.Reset Lever 212 has connecting hole 221 in the position near the second end.
First end of back-moving spring 203 is connected to the second end of restoring lever 212, says more accurately, First end of back-moving spring 203 is attached to the connecting hole 221 of restoring lever 212, connecting hole 221 Position at the second end near restoring lever 212.Second end of back-moving spring 203 is connected to fix On plate 202, fixed plate 202 fixedly mounts.In certain embodiments, fixed plate 202 is fixed on disconnected On the housing of road device, in further embodiments, fixed plate 202 is fixed in the mechanism of chopper. The fixed position of fixed plate 202 can determine according to the practical structures of chopper, in a word, and fixed plate 202 are integrally fixed in chopper on no motion of parts.
With reference to shown in Fig. 4, back-moving spring 203 with restoring lever 212 in the same plane, reset bullet Spring 203 is positioned at outside energy storage rod member 213.
With reference to shown in Fig. 5, the second axle 235 of energy storage rod member 213 is connected to guide rod assembly 215, leads Bar assembly 215 is connected with energy-stored spring 216.Energy storage rod member 213 rotates around energy storage rotating shaft 231, position The second axle 235 in energy storage arm 232 end promotes guide rod assembly 215 to energy-stored spring 216 energy storage. Air line distance between energy storage rotating shaft 231 and the second axle 235 is the energy storage arm of force.The energy storage arm of force and energy storage The product of spring force is energy storage moment, by the length increasing the energy storage arm of force can be in energy-stored spring power Obtain bigger energy storage moment time identical, or obtain equal energy storage power when energy-stored spring power is less Square.
Referring to figs. 2 and 6 shown, energy storage rod member and the energy storage rod member of the prior art of the present invention exist Following difference is there is: with reference to shown in Fig. 2, energy storage rod member 113 of the prior art in structure and size Rotate around the energy storage rotating shaft 131 being positioned in the middle part of energy storage rod member equally.Energy storage rod member 113 is by two panels side The energy storage bar sheet 133 that shape is consistent forms, spaced between two panels energy storage bar sheet 133, and two panels is stored up An axle can be each had at top and bottom between bar sheet 133.It is positioned at the axle 135 of bottom for even Guide rod assembly.It is positioned at the axle 134 at top for connecting restoring lever 112.Restoring lever 112 Centre position between two panels energy storage bar sheet 133, two back-moving springs 103 are suspended on the axle at top Between 134 and the axle 135 of bottom, it is positioned at the both sides of restoring lever 112.Energy storage rotating shaft 131 and position Air line distance between the axle 135 of bottom is the energy storage arm of force.Energy storage rod member 113 of the prior art Need to accommodate two back-moving springs between the energy storage bar sheet 133 that two panels side view is consistent, therefore store up Can the size of at least diameter of two back-moving springs on the width of lever 113, the biggest Energy storage rod member 213 size in the direction of the width in the present invention.
Additionally, the energy storage arm of force of energy storage rod member 113 of the prior art is again smaller than the energy storage bar of the present invention The energy storage arm of force of part 213.With reference to shown in Fig. 6, energy storage rod member 113 and the top of energy storage rod member 213 Size is substantially coincident, because energy storage rod member 113 and energy storage rod member 213 are in top with chopper The connected mode of miscellaneous part is the most also identical.Energy storage rod member 113 and energy storage rod member 213 are pushed up The width in portion (one end that i.e. energy storage rod member is relative with energy storage arm) is L.The energy storage of energy storage rod member 213 A length of L2, L2 are L 1.3 times of the arm of force~2 times.The length of the energy storage arm of force of energy storage rod member 113 The length that degree is L1, L1 is about 1~1.2 times of L.Therefore the energy storage arm of force of energy storage rod member 213 Length is more than the length of the energy storage arm of force of energy storage rod member 113.
The present invention also proposes a kind of chopper, and Fig. 5 discloses energy storage and the resetting-mechanism using the present invention The cross section structure figure of chopper.As it can be seen, this chopper includes energy-stored spring 216, guide rod group Part 215, cam 204, cramp assembly, spindle assemblies, axle assembly and energy storage and resetting-mechanism. Energy storage therein and resetting-mechanism are energy storage as shown in Figure 3 and Figure 4 and resetting-mechanism, including storage Energy rod member 213, restoring lever 212 and back-moving spring 203.About energy storage and the structure of resetting-mechanism The most no longer fully describe.Guide rod assembly 215 is connected to the second axle of energy storage rod member, guide rod assembly 215 It is connected with energy-stored spring 216.Energy storage rod member 213 rotates around energy storage rotating shaft 231, guide rod assembly 215 It is driven and to energy-stored spring 216 energy storage, in the illustrated embodiment, guide rod assembly 215 compression storage Spring 216 energy-stored spring 216 can be carried out energy storage.Meanwhile, energy storage rod member 213 loosens lower link Compressing (this part is same as the prior art, the most not shown), restoring lever 212 reset Counterclockwise rotate around axle reset rotating shaft 214 under the effect of spring 203.By gangbar 211 He The linkage effect of linkage spring 210, the cramp part 208 in cramp assembly is inverse around axle cramp rotating shaft 209 Clockwise rotates, and drives axle assembly 207 to rotate, and also drives the main shaft connecting rod 205 in spindle assemblies Rotate around main shaft 206.Along with rotateing in place of energy storage rod member 213, guide rod assembly 215 drives energy storage Spring 216 completes energy storage, and after energy storage puts in place, axle assembly 207 resets the most therewith, dynamic for closing a floodgate Prepare.Spindle assemblies, according to closing a floodgate or the practical situation of separating brake, is in closing position or divides Gate position.The linkage of the energy storage of the present invention and resetting-mechanism and the miscellaneous part in chopper and existing skill Energy storage and resetting-mechanism (the such as prior art shown in Fig. 1 and Fig. 2) in art are essentially identical, disconnected Miscellaneous part in the device of road is the most basically identical, the energy storage of the present invention and resetting-mechanism mainly to energy storage and Modular construction and size within resetting-mechanism adjust.Reduce the width of energy storage and resetting-mechanism Size, changes by back-moving spring as one into and moves on to beyond energy storage rod member, back-moving spring and restoring lever In the same plane, eliminate original two spring unbalanced problems of spring force that may be present. By increasing the energy storage arm of force so that single back-moving spring is still obtained in that bigger energy storage moment, Reach same energy storage effect.
The chopper of the present invention and energy storage and resetting-mechanism thereof use single back-moving spring, with restoring lever Being arranged in approximately the same plane, back-moving spring is from the internal removal of energy storage rod member, the thus width of energy storage rod member Degree is no longer influenced by the restriction of back-moving spring size, and single spring also eliminates the unbalanced problem of spring force, By increasing the length of the energy storage arm of force, under smaller size smaller, also can obtain reliable energy storage power.
Above-described embodiment is available to be familiar with person in the art and realizes or use the present invention, ripe Know those skilled in the art can without departing from the present invention in the case of the inventive idea above-described embodiment be done Go out various modifications or change, thus protection scope of the present invention is not limited by above-described embodiment, and answer This is the maximum magnitude meeting the inventive features that claims are mentioned.

Claims (6)

1. the energy storage of a chopper and resetting-mechanism, it is characterised in that including:
Energy storage rod member, energy storage rod member is around the energy storage axis of rotation being positioned in the middle part of energy storage rod member, energy storage rod member Having the energy storage arm of extension, energy storage rod member is made up of the energy storage bar sheet that two panels side view is consistent, two panels Between energy storage bar sheet spaced, between two panels energy storage bar sheet, there is the first axle and the second axle, the first axle Being positioned in the middle part of energy storage rod member, the second axle is positioned at the end of energy storage arm;
Restoring lever, restoring lever is around the reset axis of rotation being positioned in the middle part of restoring lever, restoring lever The first end extend between two panels energy storage bar sheet and be connected to the first axle;
Back-moving spring, the first end of back-moving spring is connected to the second end of restoring lever, back-moving spring Second end is connected in fixed plate, and fixed plate fixedly mounts;
Wherein, back-moving spring and restoring lever in the same plane, back-moving spring be positioned at energy storage rod member it Outward.
2. the energy storage of chopper as claimed in claim 1 and resetting-mechanism, it is characterised in that
Described second axle is connected to guide rod assembly, and guide rod assembly is connected with energy-stored spring, and energy storage rod member turns Dynamic, guide rod assembly is to energy-stored spring energy storage;
Wherein the air line distance between energy storage rotating shaft and the second axle is the energy storage arm of force.
3. the energy storage of chopper as claimed in claim 2 and resetting-mechanism, it is characterised in that
The width of one end that described energy storage rod member is relative with energy storage arm is L, the length of the described energy storage arm of force For 1.3 times~2 times that L2, L2 are L.
4. a chopper, including energy-stored spring, guide rod assembly, cam, cramp assembly, main shaft group Part, axle assembly and energy storage and resetting-mechanism, it is characterised in that described energy storage and resetting-mechanism bag Include:
Energy storage rod member, energy storage rod member is around the energy storage axis of rotation being positioned in the middle part of energy storage rod member, energy storage rod member Having the energy storage arm of extension, energy storage rod member is made up of the energy storage bar sheet that two panels side view is consistent, two panels Between energy storage bar sheet spaced, between two panels energy storage bar sheet, there is the first axle and the second axle, the first axle Being positioned in the middle part of energy storage rod member, the second axle is positioned at the end of energy storage arm;
Restoring lever, restoring lever is around the reset axis of rotation being positioned in the middle part of restoring lever, restoring lever The first end extend between two panels energy storage bar sheet and be connected to the first axle;
Back-moving spring, the first end of back-moving spring is connected to the second end of restoring lever, back-moving spring Second end is connected in fixed plate, and fixed plate fixedly mounts;
Wherein, back-moving spring and restoring lever in the same plane, back-moving spring be positioned at energy storage rod member it Outward.
5. chopper as claimed in claim 4, it is characterised in that
Described second axle is connected to guide rod assembly, and guide rod assembly is connected with energy-stored spring, and energy storage rod member turns Dynamic, guide rod assembly is to energy-stored spring energy storage;
Wherein the air line distance between energy storage rotating shaft and the second axle is the energy storage arm of force.
6. chopper as claimed in claim 5, it is characterised in that
The width of one end that described energy storage rod member is relative with energy storage arm is L, the length of the described energy storage arm of force For 1.3 times~2 times that L2, L2 are L.
CN201510039434.7A 2015-01-26 2015-01-26 Chopper and energy storage thereof and resetting-mechanism Active CN104538262B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106449306B (en) * 2015-08-04 2019-05-28 浙江正泰电器股份有限公司 Breaker energy storage operating mechanism

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JPH08227638A (en) * 1995-02-21 1996-09-03 Toshiba Corp Opening and closing operating device
JP2010086654A (en) * 2008-09-29 2010-04-15 Toshiba Corp Operating mechanism of circuit breaker
CN102543501A (en) * 2011-12-02 2012-07-04 万控集团有限公司 Circuit-breaker spring actuating mechanism
CN203596327U (en) * 2013-12-02 2014-05-14 上海良信电器股份有限公司 Energy storage system of breaker operation mechanism
CN203631447U (en) * 2013-12-20 2014-06-04 江苏新洛凯机电有限公司 Operation mechanism of frame-type breaker
CN203733729U (en) * 2013-12-27 2014-07-23 上海良信电器股份有限公司 Moving contact reset mechanism improving circuit breaker opening synchronism
CN204361029U (en) * 2015-01-26 2015-05-27 上海电科电器科技有限公司 Circuit breaker and energy storage thereof and resetting device

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08227638A (en) * 1995-02-21 1996-09-03 Toshiba Corp Opening and closing operating device
JP2010086654A (en) * 2008-09-29 2010-04-15 Toshiba Corp Operating mechanism of circuit breaker
CN102543501A (en) * 2011-12-02 2012-07-04 万控集团有限公司 Circuit-breaker spring actuating mechanism
CN203596327U (en) * 2013-12-02 2014-05-14 上海良信电器股份有限公司 Energy storage system of breaker operation mechanism
CN203631447U (en) * 2013-12-20 2014-06-04 江苏新洛凯机电有限公司 Operation mechanism of frame-type breaker
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CN204361029U (en) * 2015-01-26 2015-05-27 上海电科电器科技有限公司 Circuit breaker and energy storage thereof and resetting device

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