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CN109411247A - A kind of switch resilience-proof device - Google Patents

A kind of switch resilience-proof device Download PDF

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Publication number
CN109411247A
CN109411247A CN201710711309.5A CN201710711309A CN109411247A CN 109411247 A CN109411247 A CN 109411247A CN 201710711309 A CN201710711309 A CN 201710711309A CN 109411247 A CN109411247 A CN 109411247A
Authority
CN
China
Prior art keywords
switch
plate
rebound
electromagnet
contact
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.)
Pending
Application number
CN201710711309.5A
Other languages
Chinese (zh)
Inventor
王超
刘术棠
聂励鹏
林云妹
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Elevator China Co Ltd
Original Assignee
Hitachi Elevator China Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hitachi Elevator China Co Ltd filed Critical Hitachi Elevator China Co Ltd
Priority to CN201710711309.5A priority Critical patent/CN109411247A/en
Publication of CN109411247A publication Critical patent/CN109411247A/en
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/50—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/50—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position
    • H01H1/54—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position by magnetic force
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/50—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position
    • H01H2001/508—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position with mechanical means to prevent return/reverse movement of movable contact once opening or closing cycle has started

Landscapes

  • Switch Cases, Indication, And Locking (AREA)

Abstract

本发明公开了一种开关防回弹装置。所述开关包括：至少一个弹性固定板，每个弹性固定板的一侧底面设有固定板触点；一个开关打板，以可旋转方式设置在所述弹性固定板的下方，其上表面设有与固定板触点配合的触点板；所述开关打板的一侧设有凸起；及有一个防回弹组件，对应所述凸起设置在可干涉所述开关打板旋转的位置。所述防回弹组件可以为电磁铁式防回弹组件，或板弹簧式防回弹组件，或楔形减速式防回弹组件。本发明能有效防止开关断开后的回弹情况，适用于对开关安全性要求高、开关参数可调节等开关使用场合，尤其适用于高速、超高速击打开关的开关使用场合。

The invention discloses a switch anti-rebound device. The switch includes: at least one elastic fixing plate, one bottom surface of each elastic fixing plate is provided with a fixed plate contact; a switch striking plate is rotatably arranged below the elastic fixing plate, and the upper surface thereof is provided with a fixed plate contact; There is a contact plate matched with the contacts of the fixed plate; one side of the switch striking plate is provided with a protrusion; and there is an anti-rebound component, which is arranged in a position corresponding to the protrusion that can interfere with the rotation of the switch striking plate . The anti-rebound component may be an electromagnet type anti-rebound component, a leaf spring type anti-rebound component, or a wedge-shaped deceleration type anti-rebound component. The invention can effectively prevent the rebound after the switch is disconnected, and is suitable for switch application occasions such as high requirements for switch safety and adjustable switch parameters, and is especially suitable for switch application occasions of high-speed and ultra-high-speed hitting switches.

Description

A kind of switch resilience-proof device
Technical field
The invention belongs to electric mechanical technical fields, and in particular to a kind of switch resilience-proof device.
Background technique
Switch is to realize signal detection by the contact and disconnection of switch contact.Current switch mostly uses greatly one Formula structure, since integrated switched internal structure uses encapsulating structure, and switch motion component then it is exposed outside, therefore it is deposited The problem of being unable to adjust parameter, such as is unable to adjust the overtravel of switch, is unable to adjust the contact force of switch.However, During actual switch application, many occasions, which require, uses safety switch, that is, requires switch to have overtravel and contact The adjustable function of pressure, and now integrated switched can not meet those requirements.In addition, current elevator etc. is very More engineering goods toward high speed, ultrahigh speed direction develop, when switch application wherein when, action component will receive high speed even Superfast impact will lead to after switch disconnects and return again if switch cannot fully absorb the kinetic energy of switch rotary component Bullet, or even there is the case where being closed again after springing back, failure is acted on so as to cause the disconnection of switch.
Summary of the invention
The purpose of the present invention is to provide a kind of switch resilience-proof devices, are applied in switch, can effectively solve existing The shortcoming of technology.
In order to achieve the above objectives, the present invention adopts the following technical scheme:
A kind of switch resilience-proof device, the switch includes: at least one flexible fastening plate, and the one of each flexible fastening plate Side bottom surface is equipped with fixed plate contact；One switch re-packs, and is rotatably provided on the lower section of the flexible fastening plate, thereon Surface is equipped with the contact board with fixed plate contact cooperation；The side to re-pack that switchs is equipped with protrusion；And there is one anti-rebound group The position that the switch can be interfered to re-pack rotation is arranged in part, the corresponding protrusion.
As a kind of selection, the anti-rebound component is mainly made of electromagnet and electromagnet fixing piece, the electromagnet It is installed and is fixed by electromagnet fixing piece, and the magnetic force face of electromagnet switchs at a distance from the rotation axis that re-packs with described less than switch The magnetic force face of the radius of turn and the electromagnet that re-pack is vertical with the surfaces of revolution that the switch re-packs.Further, the electromagnetism Ferropexy part is two pieces of fixinig plates, which grips the electromagnet and the inside of one of fixinig plate Face and described the distance between the side surface of revolution to re-pack that switchs are 1 millimeter.
Alternatively, the anti-rebound component is mainly made of flat spring and flat spring connector, the plate bullet One end of spring is fixed by the installation of flat spring connector and parallel with the Plane of rotation that the switch re-packs；The flat spring it is another One end has a bending section to raise upward.Further, the bending section top of the flat spring re-packs convex with the switch Intersection thickness between rising is greater than 0.5 millimeter.
As another selection, the anti-rebound component is mainly made of wedge block and fixed plate；The wedge block passes through Fixed plate installation is fixed；One end of the wedge block corresponds to the protrusion and is provided with double inclined plane wedge groove, the double inclined plane wedge groove Center line with described to switch the Plane of rotation that re-packs parallel.
Preferably, the contact board is mounted on the upper surface that the switch re-packs by least one gasket.
Preferably, the side both ends to re-pack that switch are respectively equipped with a protrusion.
The present invention can effectively prevent the bounce situations after switch disconnects by using above structure, be suitable for pacifying switch Full property requires the switch use occasions such as high, switch parameter is adjustable, is particularly suitable for high speed, the switch of ultrahigh speed impact switch makes Use occasion.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the present invention 1.
Fig. 2 is the overlooking structure diagram of Fig. 1.
Fig. 3 is the action schematic diagram of the embodiment of the present invention 1.
Fig. 4 is the structural schematic diagram of the embodiment of the present invention 2.
Fig. 5 is the overlooking structure diagram of Fig. 1.
Fig. 6 is the action schematic diagram of the embodiment of the present invention 2.
Fig. 7 is the structural schematic diagram of the embodiment of the present invention 3.
Fig. 8 is the overlooking structure diagram of Fig. 1.
Fig. 9 is the action schematic diagram of the embodiment of the present invention 3.
In figure:
1-flexible fastening plate；11-fixed plate contacts；2-switches re-pack；21-contact boards；22-protrusions；3-electromagnetism The anti-rebound component of iron formula；31-electromagnet；32-electromagnet fixing pieces；4-anti-rebound the components of flat spring formula；41-flat springs； 411-bending sections；42-flat spring connectors；5-anti-rebound the components of wedge-shaped slowdown type；51-wedge blocks；511-double bevel wedges Shape slot；52-fixed plates.
Now in conjunction with drawings and examples, invention is further described in detail.
Specific embodiment
Embodiment 1
As shown in Figure 1 to Figure 2, a kind of switch resilience-proof device of the present invention is mainly prevented by switch and electromagnet type Component 3 is sprung back to form.
The switch includes that two flexible fastening plates 1 and a switch re-pack 2.Two 1 horizontal Tiles of flexible fastening plate Arrangement, one end of each flexible fastening plate 1 are fixed, and flexible deformation can occur along the vertical direction for the other end.Each flexible fastening The free end bottom surface of plate 1 is equipped with fixed plate contact 11.Switch, which re-packs, 2 is rotatably provided on two flexible fastening plates 1 Lower section, upper surface are equipped with the contact board 21 cooperated with fixed plate contact 11.Switch re-pack 2 side (be illustrated as right side) both ends It is respectively equipped with a protrusion 22.Contact board 21 re-packs 3 clockwise or counterclockwise with switch, when fixed plate contact and touching It when contact plate contacts, closes the switch, and flexible fastening plate 1 occurs slight resilient deformation and provides contact force；When fixed plate contact When separating with contact board, switch is disconnected.
The right side that switch re-packs is arranged in the anti-rebound component 3 of the electromagnet type, mainly by electromagnet 31 and electromagnet Fixing piece 32 forms.Electromagnet fixing piece 32 is two pieces of fixinig plates, which is clamped to rack for electromagnet 31 On and re-pack 2 the distance between the side surface of revolution L of medial surface and switch of one of fixinig plate be 1 millimeter, to switch The rotation to re-pack play the guiding role.The magnetic force face of electromagnet 31 re-packs with switch is less than what switch re-packed at a distance from 2 rotation axis The magnetic force face of radius of turn and electromagnet is vertical with the surfaces of revolution that the switch re-packs.
As shown in figure 3, the protrusion that switch re-packs contradicts the magnetic force in electromagnet when switch re-packs rotation to set angle Prevent to rotate angle from continuing to increase on face and by its blocking.Meanwhile the magnetic force of electromagnet generation is sucked switch and re-packs, and prevents out Pass re-packs rebound.
Embodiment 2
As shown in Fig. 4 to Fig. 5, a kind of switch resilience-proof device of the present invention is mainly prevented by switch and flat spring formula Component 4 is sprung back to form.
The switch includes that two flexible fastening plates 1 and a switch re-pack 2.Two 1 horizontal Tiles of flexible fastening plate Arrangement, one end of each flexible fastening plate 1 are fixed, and flexible deformation can occur along the vertical direction for the other end.Each flexible fastening The free end bottom surface of plate 1 is equipped with fixed plate contact 11.Switch, which re-packs, 2 is rotatably provided on two flexible fastening plates 1 Lower section, upper surface are equipped with the contact board 21 cooperated with fixed plate contact 11.Switch re-pack 2 side (be illustrated as right side) both ends It is respectively equipped with a protrusion 22.Contact board 21 re-packs 3 clockwise or counterclockwise with switch, when fixed plate contact and touching It when contact plate contacts, closes the switch, and flexible fastening plate 1 occurs slight resilient deformation and provides contact force；When fixed plate contact When separating with contact board, switch is disconnected.
The right side that switch re-packs is arranged in the anti-rebound component 4 of the flat spring formula, mainly by flat spring 41 and flat spring Connector 42 forms.One end of flat spring 41 is fixed in rack by flat spring connector 42 and re-packs 3 with switch Plane of rotation is parallel；The other end of flat spring has a bending section 411 to raise upward, and the top of the bending section and switch are beaten Intersection thickness M between the protrusion of plate is greater than 0.5 millimeter.
As shown in fig. 6, the protrusion that switch re-packs contradicts the bending in flat spring when switch re-packs rotation to set angle Prevent to rotate angle from continuing to increase in portion and by its blocking.Meanwhile flat spring and switch re-pack between the frictional resistance that generates The speed reduction that switch is re-packed is zero, to prevent from switching the rebound that re-packs.
Embodiment 3
As shown in Fig. 7 to Fig. 8, a kind of switch resilience-proof device of the present invention, mainly by switch and wedge-shaped slowdown type Anti-rebound component 5 forms.
The switch includes that two flexible fastening plates 1 and a switch re-pack 2.Two 1 horizontal Tiles of flexible fastening plate Arrangement, one end of each flexible fastening plate 1 are fixed, and flexible deformation can occur along the vertical direction for the other end.Each flexible fastening The free end bottom surface of plate 1 is equipped with fixed plate contact 11.Switch, which re-packs, 2 is rotatably provided on two flexible fastening plates 1 Lower section, upper surface are equipped with the contact board 21 cooperated with fixed plate contact 11.Switch re-pack 2 side (be illustrated as right side) both ends It is respectively equipped with a protrusion 22.Contact board 21 re-packs 3 clockwise or counterclockwise with switch, when fixed plate contact and touching It when contact plate contacts, closes the switch, and flexible fastening plate 1 occurs slight resilient deformation and provides contact force；When fixed plate contact When separating with contact board, switch is disconnected.
The right side that switch re-packs is arranged in the anti-rebound component 5 of the wedge-shaped slowdown type, mainly by wedge block 51 and fixation Plate 52 forms.Wedge block 51 is fixed in rack by fixed plate 52；One end respective protrusions of wedge block 51 are provided with diclinic Face wedge groove 511, the center line of the double inclined plane wedge groove 511 are parallel with the Plane of rotation that the switch re-packs.Double inclined plane wedge shape The rough surface of slot 511, can be using rubber, plastics or the metal material production handled by rough surface.
As shown in figure 9, switching the protrusion insertion double inclined plane wedge groove to re-pack when switch re-packs rotation to set angle In, and prevented to rotate angle from continuing to increase by its friction eceleration, to prevent from switching the rebound that re-packs.
In addition, contact board can be mounted on what switch re-packed by least one gasket (not indicating in figure) in the present invention Upper surface, to adjust overtravel and contact force parameter between contact board and fixed plate contact.

Claims (8)

1.一种开关防回弹装置，所述开关包括：至少一个弹性固定板，每个弹性固定板的一侧底面设有固定板触点；一个开关打板，以可旋转方式设置在所述弹性固定板的下方，其上表面设有与固定板触点配合的触点板；其特征在于，1. An anti-rebound device for a switch, the switch comprises: at least one elastic fixing plate, one bottom surface of each elastic fixing plate is provided with a fixed plate contact; a switch striking plate is rotatably arranged on the Below the elastic fixing plate, the upper surface is provided with a contact plate which is matched with the contact of the fixing plate; it is characterized in that: 所述开关打板的一侧设有凸起；及有一个防回弹组件，对应所述凸起设置在可干涉所述开关打板旋转的位置。One side of the switch striking plate is provided with a protrusion; and an anti-rebound component is arranged corresponding to the protrusion at a position that can interfere with the rotation of the switch striking plate. 2.根据权利要求1所述的一种开关防回弹装置，其特征在于，所述防回弹组件主要由电磁铁和电磁铁固定件组成，所述电磁铁通过电磁铁固定件安装固定，且电磁铁的磁力面与所述开关打板旋转轴线的距离小于开关打板的旋转半径，及所述电磁铁的磁力面与所述开关打板的旋转面垂直。2. A switch anti-rebound device according to claim 1, wherein the anti-rebound component is mainly composed of an electromagnet and an electromagnet fixing piece, and the electromagnet is installed and fixed by the electromagnet fixing piece, And the distance between the magnetic surface of the electromagnet and the rotation axis of the switch strike plate is smaller than the rotation radius of the switch strike plate, and the magnetic force surface of the electromagnet is perpendicular to the rotation surface of the switch strike plate. 3.根据权利要求2所述的一种开关防回弹装置，其特征在于，所述电磁铁固定件为两块固定片，该两块固定片将所述电磁铁夹持固定，及其中一块固定片的内侧面与所述开关打板的一侧旋转表面之间的距离为1毫米。3 . The switch anti-rebound device according to claim 2 , wherein the electromagnet fixing member is two pieces of fixing pieces, the two pieces of fixing pieces clamp and fix the electromagnet, and one of them The distance between the inner side surface of the fixed sheet and the one side rotating surface of the switch striking plate is 1 mm. 4.根据权利要求1所述的一种开关防回弹装置，其特征在于，所述防回弹组件主要由板弹簧和板弹簧连接件组成，所述板弹簧的一端通过板弹簧连接件安装固定并与所述开关打板的旋转平面平行；所述板弹簧的另一端具有一个向上凸起的弯曲部。4. A switch anti-rebound device according to claim 1, wherein the anti-rebound component is mainly composed of a leaf spring and a leaf spring connector, and one end of the leaf spring is installed through the leaf spring connector It is fixed and parallel to the rotation plane of the switch striking plate; the other end of the plate spring has an upwardly protruding curved part. 5.根据权利要求4所述的一种开关防回弹装置，其特征在于，所述板弹簧之弯曲部顶端与所述开关打板之凸起之间的交叉厚度大于0.5毫米。5 . The switch anti-rebound device according to claim 4 , wherein the cross thickness between the top end of the curved portion of the leaf spring and the protrusion of the switch striking plate is greater than 0.5 mm. 6 . 6.根据权利要求1所述的一种开关防回弹装置，其特征在于，所述防回弹组件主要由楔形块和固定板组成；所述楔形块通过固定板安装固定；所述楔形块的一端对应所述凸起开有双斜面楔形槽，所述双斜面楔形槽的中心线与所述开关打板的旋转平面平行。6. A switch anti-rebound device according to claim 1, wherein the anti-rebound component is mainly composed of a wedge block and a fixed plate; the wedge block is installed and fixed by the fixed plate; the wedge block A double-inclined wedge-shaped groove is opened at one end corresponding to the protrusion, and the center line of the double-inclined wedge-shaped groove is parallel to the rotation plane of the switch striking plate. 7.根据权利要求1所述的一种开关防回弹装置，其特征在于，所述触点板通过至少一个垫片安装在所述开关打板的上表面。7 . The anti-rebound device for a switch according to claim 1 , wherein the contact plate is mounted on the upper surface of the switch striking plate through at least one gasket. 8 . 8.根据权利要求1所述的一种开关防回弹装置，其特征在于，所述开关打板的一侧两端分别设有一个凸起。8 . The switch anti-rebound device according to claim 1 , wherein two ends of one side of the switch striking plate are respectively provided with a protrusion. 9 .
CN201710711309.5A 2017-08-18 2017-08-18 A kind of switch resilience-proof device Pending CN109411247A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710711309.5A CN109411247A (en) 2017-08-18 2017-08-18 A kind of switch resilience-proof device

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Application Number Priority Date Filing Date Title
CN201710711309.5A CN109411247A (en) 2017-08-18 2017-08-18 A kind of switch resilience-proof device

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Publication Number Publication Date
CN109411247A true CN109411247A (en) 2019-03-01

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116895497A (en) * 2023-08-18 2023-10-17 河北宝凯电气股份有限公司 Rebound prevention device for circuit breaker

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Publication number Priority date Publication date Assignee Title
GB536693A (en) * 1939-11-22 1941-05-23 Reyrolle A & Co Ltd Improvements in or relating to circuit-breakers with butt contacts
DE1540178A1 (en) * 1964-08-01 1970-01-02 Merlin Gerin Pressure contact device with electrodynamic compensation
EP0502394A2 (en) * 1991-03-02 1992-09-09 ABBPATENT GmbH Contact configuration
US6246021B1 (en) * 1997-03-27 2001-06-12 Moeller Gmbh Switching device
CN1484843A (en) * 2001-02-14 2004-03-24 Switch contact device
US20070251809A1 (en) * 2003-12-16 2007-11-01 Moeller Gmbh Electrodynamically Tilting Contact System for Power Circuit Breakers
DE102008024387A1 (en) * 2008-05-15 2009-11-19 Siemens Aktiengesellschaft Switching device, has movable contact element contacting stationary contact element in contact position for closing electric circuit, and deceleration device reducing speed of movable contact element
CN101707170A (en) * 2008-08-20 2010-05-12 西门子公司 Circuit breaker, in particular for low voltages
CN103348435A (en) * 2010-11-29 2013-10-09 伊顿电气Ip两合公司 Latching device for circuit breaker
CN205376319U (en) * 2016-02-03 2016-07-06 首瑞（天津）电气设备有限公司 Contact pivot system and low tension switchgear

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB536693A (en) * 1939-11-22 1941-05-23 Reyrolle A & Co Ltd Improvements in or relating to circuit-breakers with butt contacts
DE1540178A1 (en) * 1964-08-01 1970-01-02 Merlin Gerin Pressure contact device with electrodynamic compensation
EP0502394A2 (en) * 1991-03-02 1992-09-09 ABBPATENT GmbH Contact configuration
US6246021B1 (en) * 1997-03-27 2001-06-12 Moeller Gmbh Switching device
CN1484843A (en) * 2001-02-14 2004-03-24 Switch contact device
US20070251809A1 (en) * 2003-12-16 2007-11-01 Moeller Gmbh Electrodynamically Tilting Contact System for Power Circuit Breakers
DE102008024387A1 (en) * 2008-05-15 2009-11-19 Siemens Aktiengesellschaft Switching device, has movable contact element contacting stationary contact element in contact position for closing electric circuit, and deceleration device reducing speed of movable contact element
CN101707170A (en) * 2008-08-20 2010-05-12 西门子公司 Circuit breaker, in particular for low voltages
CN103348435A (en) * 2010-11-29 2013-10-09 伊顿电气Ip两合公司 Latching device for circuit breaker
CN205376319U (en) * 2016-02-03 2016-07-06 首瑞（天津）电气设备有限公司 Contact pivot system and low tension switchgear

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116895497A (en) * 2023-08-18 2023-10-17 河北宝凯电气股份有限公司 Rebound prevention device for circuit breaker
CN116895497B (en) * 2023-08-18 2024-03-08 河北宝凯电气股份有限公司 Rebound prevention device for circuit breaker

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Application publication date: 20190301