CN107170631A - A kind of high current load switch - Google Patents
A kind of high current load switch Download PDFInfo
- Publication number
- CN107170631A CN107170631A CN201710490368.4A CN201710490368A CN107170631A CN 107170631 A CN107170631 A CN 107170631A CN 201710490368 A CN201710490368 A CN 201710490368A CN 107170631 A CN107170631 A CN 107170631A
- Authority
- CN
- China
- Prior art keywords
- contact
- roller
- plane
- moving arcing
- rotating shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/06—Contacts characterised by the shape or structure of the contact-making surface, e.g. grooved
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
- H01H1/14—Contacts characterised by the manner in which co-operating contacts engage by abutting
- H01H1/16—Contacts characterised by the manner in which co-operating contacts engage by abutting by rolling; by wrapping; Roller or ball contacts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
- H01H33/12—Auxiliary contacts on to which the arc is transferred from the main contacts
- H01H33/121—Load break switches
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/42—Driving mechanisms
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/53—Cases; Reservoirs, tanks, piping or valves, for arc-extinguishing fluid; Accessories therefor, e.g. safety arrangements, pressure relief devices
Landscapes
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The invention discloses a kind of high current load switch, including the first stationary contact head plate and the second stationary contact head plate, also include roller contact assembly, first stationary contact head plate one end is provided with the first contact inclined-plane, second stationary contact head plate one end is provided with the second contact inclined-plane, roller contact assembly includes roller contact, and roller contact is under the driving of reciprocal drive component with the first contact inclined-plane, the second contact contact of incline plane or separating.Structural strength of the present invention is big, small volume, degree of protection are high;Realize divide-shut brake auto-lock function, and rapid operation;With self-adjusting function;The loss of roller contact is effectively prevent, the characteristics of connection disjunction load and low contact temperature rise has been taken into account.
Description
Technical field
The present invention relates to style direct current switch electric technical field, a kind of high current load switch is more particularly related to.It is applicable big
Current switching.
Background technology
It is main in nickel electrowinning to use DC low-voltage high current electrolysis process in non-ferrous metal metallurgy industry.Nickel electrowinning is opened
Stop groove operation generally using transverse electric device when high current produces nickel, nickel operation is completed out for short-circuit electrolytic cell.
At present, transverse electric device crimps mode using simple and crude spiral transverse electric block, and unshielded, exists during use more
Problem:Artificial crimping operation is cumbersome, directly affects start and stop groove operating efficiency;Easily by live sour gas and liquid corrosion, crimping
Resistance is excessive so that electrolytic cell aftercurrent is excessive after short circuit, occurs that transverse electric is unsuccessfully produced " sparking is blown out " in operating process
Phenomenon, causes complete series to be shutted off power in emergency, and has a strong impact on production operation and power supply safety;During stopping groove, single short circuit mouthful is averaged
Power consumption is more than two kilowatts, and energy loss is larger.
The content of the invention
It is an object of the invention to there is provided a kind of high current load switch in view of the above-mentioned problems existing in the prior art.Temperature
Rise that low, small volume, degree of protection are high, connect and breaking capacity is big, convenient operating maintenance, it is horizontal for substituting original simple and crude spiral
Electric block crimps mode, realizes that operation is simple and reliable for transverse electric device, the function of energy-saving safe.
The above-mentioned purpose of the present invention is achieved through the following technical solutions:
A kind of high current load switch, including the first stationary contact head plate and the second stationary contact head plate, in addition to roller contact assembly, first
Stationary contact head plate one end is provided with the first contact inclined-plane, and second stationary contact head plate one end is provided with the second contact inclined-plane,
Roller contact assembly includes roller contact, and roller contact is oblique with the first contact under the driving of reciprocal drive component
Face, the second contact contact of incline plane or separation.
Roller contact assembly as described above also includes the rotating shaft of roller contact and roller contact stem, roller contact rotating shaft two ends
Roller contact is arranged with respectively, and roller contact stem one end is provided with spring stop piece, and spring stop piece is with being set in roller contact rotating shaft
The connection ring plate connection at middle part, the roller contact stem other end is through pressing plate and is fixed with roller contact stop nut, roller contact
Roller touch spring is arranged with bar, roller touch spring two ends offset with spring stop piece and pressing plate respectively, reciprocal drive component
Drive pressing plate move back and forth, pressing plate drive roller contact simultaneously with the first contact inclined-plane, the second contact contact of incline plane
Or separation.
Roller contact rotating shaft two ends as described above are provided with contact catch, and roller contact is located at contact catch and connection
Between ring plate, the distance between contact catch and connection ring plate are more than the thickness of roller contact, and roller contact is movably set in rolling
Take turns in contact rotating shaft, connection ring plate is movably set in roller contact rotating shaft.
A kind of high current load switch, in addition to moving arcing contact component, moving arcing contact component include moving arcing contact and dynamic arc
Contact stem, moving arcing contact bar one end is connected with moving arcing contact, and the moving arcing contact bar other end is through pressing plate and to be fixed with dynamic arc spacing
Moving arcing contact spring is arranged with nut, moving arcing contact bar, moving arcing contact both ends of the spring offsets with moving arcing contact and pressing plate respectively,
It is provided with first contact inclined-plane on the first static arc contact, the second contact inclined-plane and is provided with the second static arc contact, is pressed
Strip moves moving arcing contact and contacts or separate with the first static arc contact, the second static arc contact simultaneously.
Moving arcing contact and the first static arc contact as described above, the contacting travel distance of the second static arc contact are touched less than roller
The contacting travel distance of head and the first contact inclined-plane, the second contact inclined-plane.
Reciprocal drive component as described above includes the sliding support being connected with pressing plate, and sliding support sidepiece is provided with cunning
Block, sliding block is adapted to the sliding rail in support frame, and one end of sliding support and knee is hinged, the knee other end be turn of bilge and
It is hinged with stop block, action bars is with setting action bars rotating shaft on the support frame to fix, and stop block is fixed with action bars rotating shaft.
Line between the pin joint and action bars rotating shaft and the fixing point of stop block of knee and stop block as described above
Axis with action bars is in set angle.
Roller contact uses the circular copper sheet with setting thickness.
The present invention compared with prior art, has the advantages that:
1st, support frame includes main frame and protective cover, and main frame and protective cover upper-lower seal are assembled, and main frame and protective cover are adopted
Formed with stainless steel plate integral solder;Structural strength is big, small volume, degree of protection are high;
2nd, divide-shut brake auto-lock function, and rapid operation are realized;
3rd, roller contact rotating shaft two ends are arranged with roller contact respectively, and roller contact uses the circular copper sheet with setting thickness,
More contact points are distributed in limited space, and cause contact point that there is self-adjusting function;
4th, the first contact inclined-plane and the second contact inclined-plane are set for inclined-plane, are in rolling contact beneficial to roller contact, realize
Self-cleaning function;Moving arcing contact can be achieved with respect to main contact(Roller contact)The action sequence divided afterwards is first closed, master is effectively prevent
Contact(Roller contact)Loss, taken into account the characteristics of connection disjunction load and low contact temperature rise;
5th, roller contact stop nut and the convenient regulation clearance between open contacts of dynamic arc stop nut and contact pressure are passed through.
Brief description of the drawings
Fig. 1 is overall elevational schematic view of the invention;
Fig. 2 is the structural representation of roller contact assembly;
Fig. 3 is roller contact assembly, moving arcing contact component, the first stationary contact head plate, the second static contact plate mating portion point partial enlargement
Figure;
Fig. 4 is the structural representation of reciprocal drive component;
Fig. 5 is overall schematic perspective view of the invention;
Fig. 6 is the diagrammatic cross-section under "on" position;
Fig. 7 is the diagrammatic cross-section under gate-dividing state;
In figure:1- the first stationary contact head plates;The first contacts of 101- inclined-plane;The static arc contacts of 102- first;2- the second stationary contact head plates;
The second contacts of 201- inclined-plane;The static arc contacts of 202- second;3- roller contact assemblies;301- roller contacts;302- connection rings
Piece;303- spring stop pieces;304- roller contact stems;305- roller contact rotating shafts;306- roller contact stop nuts;307- rollers
Touch spring;308- contact catch;The reciprocal drive components of 4-;401- action bars;402- connecting levers;403- stop blocks;404- is operated
Bar rotating shaft;405- knees;406- sliding supports;407- sliding blocks;408- pressing plates;5- moving arcing contact components;501- moving arcing contact bars;
502- moving arcing contact springs;503- moving arcing contacts;504- moves arc stop nut;6- support frames;601- sliding rails;602- master
Framework;603- protective covers;604- support bases;7- insulation boards.
Embodiment
Technical scheme is described in further detail below in conjunction with accompanying drawing.
Embodiment 1:
As shown in Fig. 1~7, a kind of high current load switch, including the first stationary contact head plate 1 and the second stationary contact head plate 2, in addition to rolling
Contact assembly 3 is taken turns, the one end of the first stationary contact head plate 1 is provided with the first contact inclined-plane 101, and the one end of the second stationary contact head plate 2 is set
There is the second contact inclined-plane 201,
Roller contact assembly 3 include roller contact 301, roller contact 301 under the driving of reciprocal drive component 4 with the first contact
Contact inclined-plane 101, the second contact inclined-plane 201 are contacted or separated.
Roller contact assembly 3 as described above also includes roller contact rotating shaft 305 and roller contact stem 304, roller contact
The two ends of rotating shaft 305 are arranged with roller contact 301 respectively, and the one end of roller contact stem 304 is provided with spring stop piece 303, spring stop piece
303 connect with being set in the connection ring plate 302 at the middle part of roller contact rotating shaft 305, and the other end of roller contact stem 304 runs through pressing plate
408 and it is fixed with roller contact stop nut 306, roller contact stem 304 and is arranged with roller touch spring 307, roller contact
The two ends of spring 307 are offseted with spring stop piece 303 and pressing plate 408 respectively, and the reciprocal driving of drive component 4 pressing plate 408 is moved back and forth, and is pressed
Plate 408 drives roller contact 301 to contact or divide with the first contact inclined-plane 101, the second contact inclined-plane 201 simultaneously
From.
The two ends of roller contact rotating shaft 305 are provided with contact catch 308, and roller contact 301 is located at contact catch 308 and connected
Connect between ring plate 302, the distance between contact catch 308 and connection ring plate 302 are more than the thickness of roller contact 301, roller is touched
First 301 are movably set in roller contact rotating shaft 305, and connection ring plate 302 is movably set in roller contact rotating shaft 305.
A kind of high current load switch, in addition to moving arcing contact component 5, moving arcing contact component 5 include the He of moving arcing contact 503
Moving arcing contact bar 501, one end of moving arcing contact bar 501 is connected with moving arcing contact 503, and the other end of moving arcing contact bar 501 runs through pressing plate
408 and it is fixed with dynamic arc stop nut 504, moving arcing contact bar 501 and is arranged with moving arcing contact spring 502, moving arcing contact spring
502 two ends are offseted with moving arcing contact 503 and pressing plate 408 respectively, and the first static arc contact is provided with the first contact inclined-plane 101
102, it is provided with the second static arc contact 202 on the second contact inclined-plane 201, pressing plate 408 drives moving arcing contact 503 simultaneously with the
One static arc contact 102, the second static arc contact 202 are contacted or separated.
The static arc contact 102 of moving arcing contact 503 and first, the contacting travel distance of the second static arc contact 202 are touched less than roller
First 301 and the first contact inclined-plane 101, the contacting travel distance on the second contact inclined-plane 201.
Reciprocal drive component 4 includes the sliding support 406 being connected with pressing plate 408, and the sidepiece of sliding support 406 is provided with sliding block
407, sliding block 407 is adapted to the sliding rail 601 in support frame 6, and one end of sliding support 406 and knee 405 is hinged, knee
405 other ends are hinged for turn of bilge and with stop block 403, action bars 401 and the action bars rotating shaft 404 being arranged in support frame 6
Fixed, stop block 403 is fixed with action bars rotating shaft 404.
Company between the fixing point of the pin joint and action bars rotating shaft 404 and stop block 403 of knee 405 and stop block 403
The axis of line and action bars 401 is in set angle.
A kind of high current load switch, mainly includes support frame 6, operating mechanism and contact system.Support frame 6 includes
Rail plate 601, main frame 602, protective cover 603 and support base 604, main frame 602 and the upper-lower seal of protective cover 603 are assembled,
Main frame 602 and protective cover 603 use stainless steel plate integral solder, and main frame 602 is used to install fixed contact system and behaviour
Make mechanism, and isolated between the galvanic circle of contact system with insulation board 7.Support base 604 is arranged on main frame 602,
Rail plate 601 is arranged in main frame 602.
Operating mechanism includes reciprocal drive component 4, and fulcrum bearing 409 is provided with main frame 602, is set in fulcrum bearing 409
There is action bars rotating shaft 404, one end of action bars 401 of reciprocal drive component 4 is set in action bars rotating shaft 404, wherein sliding branch
Frame 406 is located at the inside of main frame 602, the sliding block 407 of both sides and the Matching installation of sliding rail 601 of the both sides of main frame 602;Stop bit
Block 403 and the hinge of sickle -shaped knee 405, stop block 403 are rigidly connected with action bars rotating shaft 404, and knee 405 is with sliding
Dynamic support 406 is hinged with pivot pin, realizes divide-shut brake auto-lock function of the operating mechanism in the range of compulsory exercise;Can on connecting lever 402
Attended operation bar 401, drives sliding support 406 to be moved up and down along sliding rail 601 by push-and-pull action bars 401.Contact system
Including moving contact component and static arc contact(102/202), moving contact component includes multigroup He of roller contact assembly 3 of center section
The moving arcing contact component 5 of both sides, roller contact assembly 3 uses bridge contact structure.Roller contact stop nut 306 and dynamic arc limit
Position nut 504 be used to adjusting roller contact 301 and moving arcing contact 503 open away from, pressure, the first stationary contact head plate 1 and the second stationary contact
Isolated between head plate 2 by insulation board 7, be symmetrically mounted on the lower section of main frame 602, the first contact of the first stationary contact head plate 1
The both sides on inclined-plane are provided with the first static arc contact 102, and the both sides on the second contact inclined-plane 201 of the second stationary contact head plate 2 are set
There is the second static arc contact 202;Roller contact 301 is using the circular copper sheet with setting thickness, and every a piece of roller contact 301 can
Freely fitted relatively with the first contact inclined-plane 101 and the second contact inclined-plane 201 so that contact point has self-adjusting
Function;First contact inclined-plane 101 and the second contact inclined-plane 201 are inclined-plane, and roller contact 301 can be upper during combined floodgate
Face is rolled, and removes oxide layer or debris automatically, and the first static arc contact 102 is higher than the first contact inclined-plane 101, the second quiet arc
Contact 202 is higher than the second contact inclined-plane 201, realizes the static arc contact 102 of moving arcing contact 503 and first, the second static arc contact
202 contacting travel distance is less than roller contact 301 and the first contact inclined-plane 101, the second contact inclined-plane 201 and connect
Stroke distances are touched, i.e., when closing a floodgate, moving arcing contact 503 is first contacted with the first static arc contact 102, the second static arc contact 202, roller
Contacted after contact 301 with the first contact inclined-plane 101 and the second contact inclined-plane 201;In separating brake, roller contact 301
First separated with the first contact inclined-plane 101 and the second contact inclined-plane 201, with the first static arc contact after moving arcing contact 503
102nd, the second static arc contact 202 is separated, and realizes moving arcing contact with respect to main contact(Main contact is roller contact 301)First close and divide afterwards
Action sequence.
As shown in figs. 6-7, during combined floodgate, action bars 401 is promoted toward combined floodgate direction, connecting lever 402 can be used for driving action bars
Rotating shaft 404 is rotated, and knee 405 pulls sliding support 406, and the pressing plate 408 being connected with sliding support 406 drives roller contact assembly
3 and moving arcing contact component 5 translate up, moving arcing contact 503 is first pressed with the first static arc contact 102, the elasticity of the second static arc contact 202
Tightly, after roller contact 301 with the first contact inclined-plane 101 and the elastic compression of the second contact inclined-plane 201;Connect loop,
While knee 405 and the vertical plane where the pin joint workaround bar rotating shaft 404 of stop block 403, the indirect hook of turn of bilge of knee 405
Firmly action bars rotating shaft 404, realizes and arrives position locking, completes feed motion.
During separating brake, action bars 401 is promoted toward separating brake direction, connecting lever 402 can be used for driving action bars rotating shaft 404 to rotate,
Knee 405 pulls sliding support 406, and the pressing plate 408 being connected with sliding support 406 drives roller contact assembly 3 and moving arcing contact
Component 5 is translated downwards, and roller contact 301 is first separated with the first contact inclined-plane 101 and the first contact inclined-plane 201, is moved
Separated after arcing contact 503 with the first static arc contact 102, the second static arc contact 202;Loop disconnects, and completes separating brake action.
This high current load, which is switched, has low temperature rise, small volume, degree of protection is high, connect and breaking capacity is big, operate dimension
Protect the features such as facilitating.Except manual manipulation mode, electric or pneumatic operation can also be realized by increasing motor or cylinder.
Specific embodiment described herein is only to present invention explanation for example.The technical field of the invention
Technical staff can make various modifications or supplement or substitute to described specific embodiment, but not deviate the present invention
Marrow or surmount the scope defined outside appended claims.
Claims (7)
1. a kind of high current load switch, including the first stationary contact head plate(1)With the second stationary contact head plate(2), it is characterised in that also wrap
Include roller contact assembly(3), the first stationary contact head plate(1)One end is provided with the first contact inclined-plane(101), the second stationary contact head plate
(2)One end is provided with the second contact inclined-plane(201),
Roller contact assembly(3)Including roller contact(301), roller contact(301)In reciprocal drive component(4)Driving under with
First contact inclined-plane(101), the second contact inclined-plane(201)Contact is separated.
2. a kind of high current load switch according to claim 1, it is characterised in that described roller contact assembly(3)
Also include roller contact rotating shaft(305)With roller contact stem(304), roller contact rotating shaft(305)Two ends are arranged with roller respectively
Contact(301), roller contact stem(304)One end is provided with spring stop piece(303), spring stop piece(303)Touched with being set in roller
Head rotating shaft(305)The connection ring plate at middle part(302)Connection, roller contact stem(304)The other end runs through pressing plate(408)And be fixed with
Roller contact stop nut(306), roller contact stem(304)On be arranged with roller touch spring(307), roller touch spring
(307)Two ends respectively with spring stop piece(303)And pressing plate(408)Offset, reciprocal drive component(4)Drive pressing plate(408)Back and forth
Motion, pressing plate(408)Drive roller contact(301)Simultaneously with the first contact inclined-plane(101), the second contact inclined-plane
(201)Contact is separated.
3. a kind of high current load switch according to claim 2, it is characterised in that described roller contact rotating shaft
(305)Two ends are provided with contact catch(308), roller contact(301)Positioned at contact catch(308)With connection ring plate(302)
Between, contact catch(308)With connection ring plate(302)The distance between be more than roller contact(301)Thickness, roller contact
(301)It is movably set in roller contact rotating shaft(305)On, connect ring plate(302)It is movably set in roller contact rotating shaft(305)
On.
4. a kind of high current load switch according to claim 2, it is characterised in that also including moving arcing contact component(5),
Moving arcing contact component(5)Including moving arcing contact(503)With moving arcing contact bar(501), moving arcing contact bar(501)Touched with dynamic arc one end
Head(503)Connection, moving arcing contact bar(501)The other end runs through pressing plate(408)And it is fixed with dynamic arc stop nut(504), move arc
Contact stem(501)On be arranged with moving arcing contact spring(502), moving arcing contact spring(502)Two ends respectively with moving arcing contact(503)
And pressing plate(408)Offset, the first contact inclined-plane(101)On be provided with the first static arc contact(102), the second contact is oblique
Face(201)On be provided with the second static arc contact(202), pressing plate(408)Drive moving arcing contact(503)Simultaneously with the first static arc contact
(102), the second static arc contact(202)Contact is separated.
5. a kind of high current load switch according to claim 4, it is characterised in that described moving arcing contact(503)With
First static arc contact(102), the second static arc contact(202)Contacting travel distance be less than roller contact(301)With the first contact
Contact inclined-plane(101), the second contact inclined-plane(201)Contacting travel distance.
6. a kind of high current load switch according to claim 2, it is characterised in that described reciprocal drive component(4)
Including with pressing plate(408)The sliding support of connection(406), sliding support(406)Sidepiece is provided with sliding block(407), sliding block(407)
With support frame(6)On sliding rail(601)Adaptation, sliding support(406)With knee(405)One end be hinged, knee
(405)The other end is turn of bilge and and stop block(403)It is hinged, action bars(401)With being arranged on support frame(6)On action bars
Rotating shaft(404)It is fixed, stop block(403)With action bars rotating shaft(404)It is fixed.
7. a kind of high current load switch according to claim 6, it is characterised in that described knee(405)With stop bit
Block(403)Pin joint and action bars rotating shaft(404)With stop block(403)Fixing point between line and action bars(401)
Axis be in set angle.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710490368.4A CN107170631B (en) | 2017-06-25 | 2017-06-25 | A kind of high current load switch |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710490368.4A CN107170631B (en) | 2017-06-25 | 2017-06-25 | A kind of high current load switch |
Publications (2)
Publication Number | Publication Date |
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CN107170631A true CN107170631A (en) | 2017-09-15 |
CN107170631B CN107170631B (en) | 2019-05-21 |
Family
ID=59819431
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201710490368.4A Active CN107170631B (en) | 2017-06-25 | 2017-06-25 | A kind of high current load switch |
Country Status (1)
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CN (1) | CN107170631B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110085473A (en) * | 2019-04-11 | 2019-08-02 | 安徽翰翔厨房设备有限公司 | A kind of switch that weatherability is strong |
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CN86201332U (en) * | 1986-03-12 | 1987-01-28 | 武汉市江汉液压油缸厂 | Roller valve |
CN2355423Y (en) * | 1998-08-20 | 1999-12-22 | 西安东方电气工程研究所 | Outdoor vacuum switches with isolating knives |
CN2859790Y (en) * | 2006-01-10 | 2007-01-17 | 王光顺 | Cut-in type super high voltage insulating switch contact with resistance |
CN201181640Y (en) * | 2008-04-28 | 2009-01-14 | 上海华明电力设备制造有限公司 | Tapping switch movable contact component with guiding structure |
CN101503059A (en) * | 2009-02-18 | 2009-08-12 | 金立府 | Handle type two-direction switch of electric vehicle |
CN102436939A (en) * | 2011-09-30 | 2012-05-02 | 上海华明电力设备集团有限公司 | Rolling type contact assembly |
CN202736809U (en) * | 2012-08-15 | 2013-02-13 | 莱福士电力电子设备(深圳)有限公司 | Load switch |
CN206864378U (en) * | 2017-06-25 | 2018-01-09 | 武汉凯禾电气有限责任公司 | A kind of high current load switch |
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2017
- 2017-06-25 CN CN201710490368.4A patent/CN107170631B/en active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
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CN86201332U (en) * | 1986-03-12 | 1987-01-28 | 武汉市江汉液压油缸厂 | Roller valve |
CN2355423Y (en) * | 1998-08-20 | 1999-12-22 | 西安东方电气工程研究所 | Outdoor vacuum switches with isolating knives |
CN2859790Y (en) * | 2006-01-10 | 2007-01-17 | 王光顺 | Cut-in type super high voltage insulating switch contact with resistance |
CN201181640Y (en) * | 2008-04-28 | 2009-01-14 | 上海华明电力设备制造有限公司 | Tapping switch movable contact component with guiding structure |
CN101503059A (en) * | 2009-02-18 | 2009-08-12 | 金立府 | Handle type two-direction switch of electric vehicle |
CN102436939A (en) * | 2011-09-30 | 2012-05-02 | 上海华明电力设备集团有限公司 | Rolling type contact assembly |
CN202736809U (en) * | 2012-08-15 | 2013-02-13 | 莱福士电力电子设备(深圳)有限公司 | Load switch |
CN206864378U (en) * | 2017-06-25 | 2018-01-09 | 武汉凯禾电气有限责任公司 | A kind of high current load switch |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110085473A (en) * | 2019-04-11 | 2019-08-02 | 安徽翰翔厨房设备有限公司 | A kind of switch that weatherability is strong |
CN110085473B (en) * | 2019-04-11 | 2024-05-14 | 安徽翰翔厨房设备有限公司 | Switch with strong weather resistance |
Also Published As
Publication number | Publication date |
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CN107170631B (en) | 2019-05-21 |
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