CN107622883A - A kind of direct-current isolating switch - Google Patents
A kind of direct-current isolating switch Download PDFInfo
- Publication number
- CN107622883A CN107622883A CN201711045054.XA CN201711045054A CN107622883A CN 107622883 A CN107622883 A CN 107622883A CN 201711045054 A CN201711045054 A CN 201711045054A CN 107622883 A CN107622883 A CN 107622883A
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- cam
- contact
- chair
- elastic arm
- cam chair
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The present invention relates to a kind of direct-current isolating switch, including pedestal, contact system, cover lid, handle, if energy storage tumbler, contact system includes contact base, movable contact spring, static contact, energy storage tumbler includes being used for the cam chair for driving contact base, the cam set with handle linkage, the torsion spring being hinged between cam chair and cam, the arc boss being engaged with cam chair is provided with described cam, the energy storage elastic arm being blocked on cam movement locus is disposed with described cam chair, release energy elastic arm, when cam rotates to combined floodgate direction, arc boss on cam slides on energy storage elastic arm and makes torque spring energy store, arc boss, which continues to slide into, to be released on energy elastic arm and torsion spring is released energy, cam chair driving contact base turns to closing position.The present invention has the advantages of simple in construction, high breaking, stable and reliable for performance, service life is long.
Description
Technical field
The present invention relates to a kind of disconnecting switch, and in particular to a kind of direct-current isolating switch.
Background technology
Direct-current isolating switch is used as infrequently connecting in work enterprise controller switching equipment to be used with disjunction circuit and electrical isolation,
It is widely used in the distribution system and automated system of building, electric power, petrochemical industry and other industry.Direct-current isolating switch bag
Include pedestal, cover plate, handle, the operating mechanism and contact system being arranged in pedestal, the operation machine of existing direct-current isolating switch
The structure design of structure is unreasonable, and the divide-shut brake speed of switch is excessively slow, cause switch breaking capacity is relatively low, service life is shorter.
The content of the invention
The defects of it is an object of the invention to overcome prior art, there is provided a kind of simple in construction, high breaking, stable performance can
Lean on, the direct-current isolating switch of service life length.
To achieve the above object, the present invention uses a kind of direct-current isolating switch, including pedestal, the contact that is arranged in pedestal
System, the cover lid being arranged on pedestal, handle, the energy storage tumbler for being arranged in cover lid and being set with handle linkage, it is described
Contact system include contact base, the movable contact spring, the static contact that is arranged in pedestal that are set with contact base linkage, described energy storage
Cam chair that tumbler includes being used to drive contact base, the cam set with handle linkage, be hinged on cam chair and cam it
Between torsion spring, be provided with the arc boss being engaged with cam chair on described cam, be disposed with described cam chair
The energy storage elastic arm that is blocked on cam movement locus, release can elastic arm, when cam rotates to combined floodgate direction, the arc on cam is convex
Platform is slid on energy storage elastic arm and makes torque spring energy store, and arc boss, which continues to slide into, to be released on energy elastic arm and torsion spring is released energy, cam
Seat driving contact base turns to closing position.
The beneficial effect of said structure is：The energy storage tumbler of the disconnecting switch can drive contact base quick rotation, real
The quick-make or disconnection of existing movable contact spring and static contact, be advantageous to extend the service life of contact system, when closing a floodgate, handle to
Combined floodgate direction rotates and driving cam rotates, cam stretching torsion spring, when the arc boss on cam is slid on energy storage elastic arm,
Torque spring energy store finishes, when arc boss continue to slide into release can be on elastic arm when, torsion spring release energy and driving cam seat quickly to
Combined floodgate direction rotates, so as to which cam chair can drive contact base quick rotation to realize the quick conjunction of the disconnecting switch to closing position
Lock.In separating brake, handle rotates to separating brake direction, and energy storage tumbler acts with handle and drives contact base quick rotation extremely to divide
Gate position, realize the quick acting switching-off of the disconnecting switch.So as to which the disconnecting switch has simple in construction, high breaking, stable performance can
Lean on, the advantages of service life is long.
Especially, the guiding deep-slotted chip breaker being engaged with arc boss is provided with described cam chair, and on cam chair
Energy storage elastic arm, release and can be provided with the inclined-plane being connected with being oriented to deep-slotted chip breaker transition on elastic arm.Arc boss can be along guiding arc
Groove slides, and improves the reliability being driven between cam and cam chair.
Especially, the lower end of described cam chair is provided with clamping square shaft, the upper surface side of being provided with of described contact base
Hole, described clamping square shaft are installed in square hole and form cam chair and contact base is linked.Cam chair and contact base it
Between connected using snap-fit, consequently facilitating the assembling of cam chair and contact base, improve the assembling effect of the disconnecting switch
Rate.
Especially, guide groove is provided with the lower surface of described cam chair, is provided with described base and guide groove
The guiding projection being engaged, when cam chair rotates, guiding projection can reciprocatingly slide in guide groove.Be provided with base with it is convex
The guiding projection that the guide groove of wheel seat is engaged, so as to which cam chair can reliably drive contact base.
Especially, rotating shaft is provided with the lower surface of described cam, the lower end of rotating shaft is arranged on the locating slot of cam chair
Interior, described torsion spring set is provided with spacing block set, the both ends of torsion spring contradict respectively to be limited in rotating shaft on described cam chair
On the both sides of position projection, the plectrum being interspersed between torsion spring both ends is provided with described cam.On cam chair, cam respectively
The spacing block set being engaged with torsion spring, plectrum are provided with, improves the reliability being driven between cam and cam chair, and also allow for
The assembling of cam and cam chair, torsion spring.
Especially, described movable contact spring is arranged on the periphery wall of contact base, is provided with described movable contact spring and stationary contact
The contact groove that piece is engaged, when movable contact spring performs feed motion, static contact can be interspersed in contact groove, and static contact and contact groove
Face contacts.By being provided with the contact groove being engaged with static contact on movable contact spring, contact of the movable contact spring with static contact is improved
Area, enhance current capacity.
Especially, the opening at described contact groove both ends is provided with guiding surface.Guiding surface can rise to static contact
To guide effect, be advantageous to static contact and be smoothly caught in the contact groove of movable contact spring.
Especially, described handle is connected by drive shaft with cam, and the upper end of drive shaft is fixed on the mounting hole of handle
Interior, the lower end of drive shaft through cover lid and is installed in the hole clipping of cam upper surface, and drive shaft is acted and can driven convex with handle
Wheel rotates.Handle is connected by drive shaft with cam, is easy to the assembling of handle and cam, improves the assembling effect of the disconnecting switch
Rate.
Brief description of the drawings
Fig. 1 is sectional view of the embodiment of the present invention.
Fig. 2 is the stereogram of energy storage tumbler of the embodiment of the present invention.
Fig. 3 is the stereogram of cam of the embodiment of the present invention.
Fig. 4 is the stereogram of cam chair of the embodiment of the present invention.
Fig. 5 is the stereogram of contact system of the embodiment of the present invention.
Fig. 6 is the stereogram of pedestal of the embodiment of the present invention.
Embodiment
As shown in figs. 1 to 6, the embodiment of the present invention is a kind of direct-current isolating switch, including pedestal 10, is arranged in pedestal 10
Contact system 30, be arranged on pedestal 10 cover lid 11, handle 12, be arranged in cover lid 11 and set with the linkage of handle 12
Energy storage tumbler 20, described contact system 30 include the contact base 31 being rotatably arranged in pedestal 10 and contact base 31
The dynamic movable contact spring 32 set, the static contact 33 being engaged in pedestal 10 and with movable contact spring 32 is arranged on, described movable contact spring 32 is set
Put on the periphery wall of contact base 31, the contact groove 321 being engaged with static contact 33 is provided with described movable contact spring 32, move and touch
When piece 32 performs feed motion, static contact 33 can be interspersed in contact groove 321, and static contact 33 contacts with the face of contact groove 321.It is logical
The contact groove for being provided with movable contact spring and being engaged with static contact is crossed, improves the contact area of movable contact spring and static contact, is strengthened
Current capacity.The opening at the described both ends of contact groove 321 is provided with guiding surface 322.Guiding surface can be to quiet
Contact plays guide effect, is advantageous to static contact and is smoothly caught in the contact groove of movable contact spring.Described energy storage tumbler 20 wraps
Include for driving the cam chair 21 of contact base 31, the cam 22 set with the linkage of handle 12, being hinged on cam chair 21 and cam 22
Between torsion spring 23, be provided with the arc boss 221 being engaged with cam chair 21, described cam chair 21 on described cam 22
On be disposed with the energy storage elastic arm 211 being blocked on the movement locus of cam 22, release can elastic arm 212, when cam 22 is to combined floodgate side
To when rotating, the arc boss 221 on cam 22 slides on energy storage elastic arm 211 and makes the energy storage of torsion spring 23, arc boss 221 after
Continuous slide into is released on energy elastic arm 212 and torsion spring 23 is released energy, and cam chair 21 drives contact base 31 to turn to closing position.
As illustrated in fig. 1 and 2, described handle 12 is connected by drive shaft 13 with cam 22, and the upper end of drive shaft 12 is fixed
In the mounting hole of handle 12, and also reinforced between handle 12 and drive shaft 13 by screw 14, the lower end of drive shaft 13 passes through
Cover lid 11 and be installed in the hole clipping 224 of the upper surface of cam 22, drive shaft 13 acted with handle 12 and can driving cam 22 rotate.
Handle is connected by drive shaft with cam, is easy to the assembling of handle and cam, improves the efficiency of assembling of the disconnecting switch.Such as figure
2nd, shown in 3,4, the guiding deep-slotted chip breaker 213 being engaged with arc boss 221, and cam chair 21 are provided with described cam chair 21
On energy storage elastic arm 211, release the inclined-plane 214 being connected with the guiding transition of deep-slotted chip breaker 213 can be provided with elastic arm 212.Arc is convex
Platform can slide along deep-slotted chip breaker is oriented to, and improve the reliability being driven between cam and cam chair.It is described as shown in Fig. 1,2,6
The lower end of cam chair 21 be provided with clamping square shaft 215, the upper surface of described contact base 31 is provided with square hole 311, described
Clamping square shaft 215 is installed in square hole 311 and forms being linked for cam chair 21 and contact base 31.Cam chair and contact base it
Between connected using snap-fit, consequently facilitating the assembling of cam chair and contact base, improve the assembling effect of the disconnecting switch
Rate.
As seen in figs, guide groove 218 is provided with the lower surface of described cam chair 21, is set in described base 10
The guiding projection 101 being engaged with guide groove 218 is equipped with, when cam chair 21 rotates, guiding projection 101 can be in guide groove 218
Reciprocatingly slide.The guiding projection being engaged with the guide groove of cam chair is provided with base, so as to which cam chair can be reliably
Drive contact base.Rotating shaft 222 is provided with the lower surface of described cam 22, the lower end of rotating shaft 222 is arranged on cam chair 21
In locating slot 216, described torsion spring 23 is sleeved in rotating shaft 222, and spacing block set 217 is provided with described cam chair 21, is turned round
The both ends of spring 23 contradict on the both sides of spacing block set 217 respectively, are provided with described cam 22 and are interspersed in the both ends of torsion spring 23
Between plectrum 223.The spacing block set being engaged with torsion spring, plectrum are respectively arranged with cam chair, cam, improves cam
The reliability being driven between cam chair, and also allow for the assembling of cam and cam chair, torsion spring.
The energy storage tumbler of the disconnecting switch can drive contact base quick rotation, realize the quick of movable contact spring and static contact
Closure disconnects, and is advantageous to extend the service life of contact system, and when closing a floodgate, handle is rotated to combined floodgate direction and driving cam
Rotate, cam stretching torsion spring, when the arc boss on cam is slid on energy storage elastic arm along guiding deep-slotted chip breaker, torque spring energy store
Finish, when arc boss, which continues to slide into, to be released on energy elastic arm, torsion spring releases energy and driving cam seat is quickly to combined floodgate direction
Rotate, so as to which cam chair can drive contact base quick rotation to closing position, realize the rapid closing of the disconnecting switch.In separating brake
When, handle rotates to separating brake direction, and energy storage tumbler acts with handle and drives contact base quick rotation to open position, real
The now quick acting switching-off of the disconnecting switch.So as to the disconnecting switch have simple in construction, high breaking, it is stable and reliable for performance, using the longevity
Order the advantages of long.
Claims (8)
1. a kind of direct-current isolating switch, including pedestal, the contact system being arranged in pedestal, the cover lid, the hand that are arranged on pedestal
Handle, the energy storage tumbler for being arranged in cover lid and being set with handle linkage, described contact system include contact base and contact
The movable contact spring of seat linkage setting, the static contact being arranged in pedestal, it is characterised in that：Described energy storage tumbler includes being used for
Cam, the torsion spring being hinged between cam chair and cam of cam chair and handle the linkage setting of contact base are driven, described is convex
The arc boss being engaged with cam chair is provided with wheel, is disposed with described cam chair and is blocked in cam movement locus
On energy storage elastic arm, release can elastic arm, when cam rotates to combined floodgate direction, the arc boss on cam is slid on energy storage elastic arm
And making torque spring energy store, arc boss, which continues to slide into, to be released on energy elastic arm and torsion spring is released energy, and cam chair driving contact base turns to
Closing position.
2. direct-current isolating switch according to claim 1, it is characterised in that：It is provided with described cam chair convex with arc
The guiding deep-slotted chip breaker that platform is engaged, and energy storage elastic arm on cam chair, release and can be provided with elastic arm with being oriented to deep-slotted chip breaker transition
The inclined-plane of connection.
3. direct-current isolating switch according to claim 1 or 2, it is characterised in that：The lower end of described cam chair is provided with
Clamping square shaft, the upper surface of described contact base are provided with square hole, and described clamping square shaft is installed in square hole and forms cam
Seat is linked with contact base.
4. direct-current isolating switch according to claim 1 or 2, it is characterised in that：Set on the lower surface of described cam chair
Guide groove is equipped with, the guiding projection being engaged with guide groove is provided with described base, when cam chair rotates, guiding projection can
Reciprocatingly slided in guide groove.
5. direct-current isolating switch according to claim 1, it is characterised in that：It is provided with and turns on the lower surface of described cam
Axle, the lower end of rotating shaft are arranged in the locating slot of cam chair, and described torsion spring set is set in rotating shaft on described cam chair
Limited location projection, the both ends of torsion spring contradict on the both sides of spacing block set, are provided with described cam and are interspersed in torsion spring respectively
Plectrum between both ends.
6. direct-current isolating switch according to claim 1, it is characterised in that：Described movable contact spring is arranged on the outer of contact base
On perisporium, the contact groove being engaged with static contact is provided with described movable contact spring, when movable contact spring performs feed motion, static contact
It can be interspersed in contact groove, and static contact contacts with contacting groove face.
7. direct-current isolating switch according to claim 6, it is characterised in that：The opening at described contact groove both ends is all provided with
It is equipped with guiding surface.
8. direct-current isolating switch according to claim 1, it is characterised in that：Described handle is connected by drive shaft and cam
Connect, the upper end of drive shaft is fixed in the mounting hole of handle, and the lower end of drive shaft through cover lid and is installed on cam upper surface
In hole clipping, drive shaft acts with handle and can driving cam rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711045054.XA CN107622883B (en) | 2017-10-31 | 2017-10-31 | Direct current isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711045054.XA CN107622883B (en) | 2017-10-31 | 2017-10-31 | Direct current isolating switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107622883A true CN107622883A (en) | 2018-01-23 |
| CN107622883B CN107622883B (en) | 2020-10-30 |
Family
ID=61093323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711045054.XA Active CN107622883B (en) | 2017-10-31 | 2017-10-31 | Direct current isolating switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107622883B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117373861A (en) * | 2023-12-05 | 2024-01-09 | 苏州普兆新能源设备有限公司 | Photovoltaic direct current isolating switch |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2951229B2 (en) * | 1995-04-05 | 1999-09-20 | 本田技研工業株式会社 | Power switch for electric vehicles |
| CN202443895U (en) * | 2012-02-20 | 2012-09-19 | 浙江华工电气有限公司 | Photovoltaic direct-current load disconnection switch |
| CN202711970U (en) * | 2012-05-25 | 2013-01-30 | 温州市安格进出口有限公司 | Photovoltaic solar energy isolation switch |
| CN203038801U (en) * | 2012-12-21 | 2013-07-03 | 上海良信电器股份有限公司 | Closing and opening mechanism of switch device |
| CN105070569A (en) * | 2015-07-30 | 2015-11-18 | 科都电气有限公司 | Operating mechanism of rotary switch and rotary switch having the same |
| CN204834400U (en) * | 2015-08-20 | 2015-12-02 | 浙江奔一电气有限公司 | Rotary switch |
| CN105788932A (en) * | 2016-03-30 | 2016-07-20 | 科都电气有限公司 | Rapid on-off mechanism for rotary switch |
| CN207441498U (en) * | 2017-10-31 | 2018-06-01 | 浙江科瑞普电气有限公司 | A kind of direct-current isolating switch |
-
2017
- 2017-10-31 CN CN201711045054.XA patent/CN107622883B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2951229B2 (en) * | 1995-04-05 | 1999-09-20 | 本田技研工業株式会社 | Power switch for electric vehicles |
| CN202443895U (en) * | 2012-02-20 | 2012-09-19 | 浙江华工电气有限公司 | Photovoltaic direct-current load disconnection switch |
| CN202711970U (en) * | 2012-05-25 | 2013-01-30 | 温州市安格进出口有限公司 | Photovoltaic solar energy isolation switch |
| CN203038801U (en) * | 2012-12-21 | 2013-07-03 | 上海良信电器股份有限公司 | Closing and opening mechanism of switch device |
| CN105070569A (en) * | 2015-07-30 | 2015-11-18 | 科都电气有限公司 | Operating mechanism of rotary switch and rotary switch having the same |
| CN204834400U (en) * | 2015-08-20 | 2015-12-02 | 浙江奔一电气有限公司 | Rotary switch |
| CN105788932A (en) * | 2016-03-30 | 2016-07-20 | 科都电气有限公司 | Rapid on-off mechanism for rotary switch |
| CN207441498U (en) * | 2017-10-31 | 2018-06-01 | 浙江科瑞普电气有限公司 | A kind of direct-current isolating switch |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117373861A (en) * | 2023-12-05 | 2024-01-09 | 苏州普兆新能源设备有限公司 | Photovoltaic direct current isolating switch |
| CN117373861B (en) * | 2023-12-05 | 2024-03-01 | 苏州普兆新能源设备有限公司 | Photovoltaic direct current isolating switch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107622883B (en) | 2020-10-30 |
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