CN104112610A - Novel capacity regulating switch structure - Google Patents

Novel capacity regulating switch structure Download PDF

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Publication number
CN104112610A
CN104112610A CN201410370879.9A CN201410370879A CN104112610A CN 104112610 A CN104112610 A CN 104112610A CN 201410370879 A CN201410370879 A CN 201410370879A CN 104112610 A CN104112610 A CN 104112610A
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China
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contact
low
moved end
low pressure
high pressure
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CN201410370879.9A
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CN104112610B (en
Inventor
魏贞祥
杨福荣
潘新华
张中印
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BEIJING BRILE INTELLIGENT TECHNOLOGY GROUP Co Ltd
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BEIJING BRILE INTELLIGENT TECHNOLOGY GROUP Co Ltd
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Abstract

The invention discloses a novel capacity regulating switch structure. The novel capacity regulating switch structure comprises a translating piece arranged on a substrate and capable of sliding horizontally on the substrate, and the translating piece is firmly provided with at least one high-voltage movable end and at least one group of low-voltage movable ends; a power device drives the translating piece to slide horizontally on the substrate; each low-voltage movable end is correspondingly provided with a left low-voltage static end and a right low-voltage static end, and each low-voltage movable end and the corresponding left low-voltage static end and right low-voltage static end make up a low-voltage contact group; the low-voltage static ends are fixed on the substrate, the low-voltage movable end is located between two corresponding low-voltage static ends, when the low-voltage movable end slides horizontally along with the translating piece, a movable contact spring is disconnected or contacted with the low-voltage static end contact of the corresponding low-voltage static end. The novel capacity regulating switch structure uses the translating mode to directly drive the high-voltage and low-voltage contact groups to convert between states simultaneously; the novel capacity regulating switch structure is simple in structure, direct and reliable in transmission, quick in converting speed, small in volume, low in cost and suitable for small space and integrated design of complete equipment especially for being mounted in an oil-immersed transformer to serve as a tap switch.

Description

A kind of novel capacitance switch structure
Technical field
The present invention relates to electrical device technical field, especially relate to a kind of novel capacitance switch structure, specifically a kind of rectilinear structure switch that adopts permanent-magnet manipulating mechanism.
Background technology
Use at present the capacitance switch on capacitance-adjustable transformer generally housing, switch fuse, gas shield device, to consist of, switch fuse is cut to close by transmission mechanism, quick switching mechanism and choosing and forms.Fixed contact is arranged on the circumference of switch fuse bar frame, and moving contact is fixed on main shaft supporter.While needing capacity transfer, motor drives main shaft rotation, and moving contact contacts and realizes transformer high-voltage winding " Y-△ " conversion and low pressure winding " connection in series-parallel " conversion with corresponding fixed contact, thereby realizes capacity transfer object.
But because electric machine rotation is slower, changing the appearance time generally all needs hundreds of millisecond, just slow owing to changing volume flow rate degree, for avoiding the asynchronous voltage jump causing of high-voltage coil and low-voltage coil conversion, must with transition resistance R, connect main paying between moving contact, this resistance is easy to burn out.Also just slow because changing volume flow rate degree, to change while holding and easily produce electric arc, long-term use caused poor contact of contacts, and cold oil impurity increases, and insulation declines; For avoiding this situation, also needed corresponding protective device, so that capacitance-adjustable transformer volume is larger, cost is higher.
Existing patent (number of patent application: 201120180913.8) provide a kind of conversion speed fast, the permanent magnetic mechanism switch of reliable in action, has well solved the problems referred to above.But because shunting switch is disc-shaped structure, larger for guaranteeing insulation volume, cost is higher; And Transformer Winding lead-in wire need be in the wiring around of plate-like switch, efficiency is lower.
Existing patent (number of patent application: 201310492317.7) provide a kind of quick two-way three condition to switch electric power switch unit, switching time is short, volume is little, contact reliable advantage, but drive disk assembly is more complicated, contact installing requires the complex structure high, contact force is provided, manufacturing cost is higher.
Summary of the invention
The object of the invention is the deficiency in order to solve the problems of the technologies described above, provide a kind of straight ejector half, large opening, simple in structure, contact reliable, lower-cost novel capacitance switch structure, address the above problem.
To achieve these goals, the technical solution used in the present invention is as follows:
A novel capacitance switch structure, comprises power set, pedestal and the straight moving part that left and right slidably arranges on described pedestal, is fixedly installed at least one high pressure moved end and at least one group of low pressure moved end on described straight moving part; Described straight moving part is divided into upper and lower two parts, and described high pressure moved end and described low pressure moved end are separately fixed in a part wherein; Described power set drive described straight moving part to horizontally slip on described pedestal;
Two of the left and right moved end contact that described in each, high pressure moved end includes excess of stroke spring, positioning and guiding seat and arranges in opposite directions, described moved end contact comprises the small end of column and the large end of dish dress, described positioning and guiding seat is provided with two pilot holes in left and right; The small end of two described moved end contacts passes respectively the pilot hole of a side separately, in described pilot hole, slidably arranges, and the outside diameter of described moved end contact is greater than described pilot hole; Described excess of stroke spring withstands between two moved end contacts; Described in each, high pressure moved end correspondence arranges two the quiet ends of high pressure in left and right, and described in each, high pressure moved end arrange left and right two high pressure quiet end corresponding to it forms a high-voltage contact group; The quiet end of described high pressure is fixed on described pedestal, described high pressure moved end is between two the described high pressure quiet ends corresponding with it, when described high pressure moved end horizontally slips with described straight moving part, the small end top of described moved end contact withstands on the quiet end contact of high pressure of the quiet end of described high pressure on left side in the described high-voltage contact group at its place or right side;
Every group of low pressure moved end comprises low pressure moved end described at least one, described in each, low pressure moved end comprises upper and lower two movable contact springs, described in each, low pressure moved end correspondence arranges two the quiet ends of low pressure in left and right, and the quiet end of two of left and right low pressure of low pressure moved end setting corresponding to it described in each forms a low-voltage contact group; The quiet end of described low pressure is fixed on described pedestal, described low pressure moved end is between two the described low pressure quiet ends corresponding with it, when described low pressure moved end horizontally slips with described straight moving part, the quiet end contact of low pressure on the described movable contact spring quiet end of described low pressure corresponding with it disconnects or contact.
Described power set are permanent-magnet manipulating mechanism, and described straight moving part is provided with driving hole, and described permanent-magnet manipulating mechanism is connected by between described driving hole and described straight moving part.
Between the small end of described moved end contact and described pilot hole, leave gap, and the small end top of described moved end contact is convex surface, the quiet end contact of described high pressure is plane or concave surface.
The quiet end contact of high pressure of the quiet end of described high pressure that described moved end contact is corresponding with it point-blank.
On described straight moving part, be fixedly installed three described high pressure moved ends and three groups of low pressure moved ends, described high-voltage contact group and described low-voltage contact group all have three groups.
Described in every group, low pressure moved end comprises two described low pressure moved ends and four quiet ends of low pressure, forms two and often opens a normally-closed contact.
The technical problem of solution of the present invention is, directly reliable, conversion speed is fast, volume is little Novel switch structure of a kind of simple in structure, action is provided, and can meet multiple occasion demand, and the especially suitable oil-filled transformer inside that is built in is used as shunting switch.
High-pressure side of the present invention is with existing patent [number of patent application: 201310492317.7] difference: 1, existing patent realizes contact by wedge-shaped slot cooperation clamping wedge tooth and contacts reliable object; This patent can be realized increase contact pressure by excess of stroke spring, contacts reliable object; 2, the two ends of existing patent traveling electrode arrange respectively a main contacts, the fixed-node corresponding with main contacts also has two, when these two fixed-nodes arrange, must, with traveling electrode on 1 straight line, can not have deviation, otherwise during the Contact of possible contact, misalign, difficulty is set higher; This patent is two moving contacts, and moved end contact is arranged in a hole of guide holder and has certain activity remaining, and moving contact is set to sphere, and fixed contact is fixed on quiet end and be set to plane, moved end contact can automatic alignment in, contact is good; 3, existing patent by driving shaft core, order about transverse guide and just can be transmitted to traveling electrode, but also need to have the auxiliary member of fixing these parts, complex structure; This patent is by driving straight moving part directly to drive the moved end connecting, directly reliable; 4, existing patent, by the outstanding feature that conversion speed is fast of the modes such as spring mechanism, contact coil tension spring, has met the object of quick Switching power; This patent preferably drives many groups contact to change by permanent magnet mechanism simultaneously, has met the object of many tapped transformer lead-in wire tap mode fast and reliable conversion; If 5, existing patent will increase clearance between open contacts, improve insulation level, housing and overall volume need to increase; What the moved end of this patent, quiet end adopted be arranged in parallel, and integrated model is straight line flat structure, does not need to increase volume and can reach the object that clearance between open contacts increases, improves insulation level.
Beneficial effect of the present invention is as follows.
The present invention directly orders about high and low pressure sets of contacts with straight flowing mode and carries out state conversion simultaneously.The present invention is simple in structure, transmission is direct reliably, conversion speed is fast, volume is little, cost is low, is suitable for the Integration Design of small space and complete set of equipments, and the especially suitable oil-filled transformer inside that is built in is used as shunting switch.
Accompanying drawing explanation
Fig. 1 represents front view of the present invention;
Fig. 2 represents the another kind of view of the present invention;
Fig. 3 represents end view of the present invention;
Fig. 4 represents low-voltage contact group cross-sectional schematic of the present invention.
Wherein, 1 straight moving part; 2 high pressure moved ends; 3 high-voltage contact groups; The quiet end of 4 high pressure; 5 pedestals; 6 low pressure moved ends; The quiet end of 7 low pressure; 8 low-voltage contact groups; 9 driving holes; 10 permanent-magnet manipulating mechanisms; 11 movable contact springs; The quiet end contact of 12 low pressure.
Embodiment
In order to make technical problem solved by the invention, technical scheme and beneficial effect clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
A kind of novel capacitance switch structure as shown in Figures 1 to 4, comprises power set, pedestal 5 and the straight moving part 1 that left and right slidably arranges on described pedestal 5, is fixedly installed at least one high pressure moved end 2 and at least one group of low pressure moved end 6 on described straight moving part 1; Described straight moving part 1 is divided into upper and lower two parts, in the part that described high pressure moved end 2 and described low pressure moved end 6 are separately fixed at wherein; Described power set drive described straight moving part 1 to horizontally slip on described pedestal 5; Two of the left and right moved end contact that described in each, high pressure moved end 2 includes excess of stroke spring, positioning and guiding seat and arranges in opposite directions, described moved end contact comprises the small end of column and the large end of dish dress, described positioning and guiding seat is provided with two pilot holes in left and right; The small end of two described moved end contacts passes respectively the pilot hole of a side separately, in described pilot hole, slidably arranges, and the outside diameter of described moved end contact is greater than described pilot hole; Described excess of stroke spring withstands between two moved end contacts; Described in each, high pressure moved end 2 correspondences arrange two the quiet ends 4 of high pressure in left and right, and described in each, high pressure moved end 2 arrange left and right two high pressure quiet end 4 corresponding to it forms a high-voltage contact group 3; The quiet end 4 of described high pressure is fixed on described pedestal 5, described high pressure moved end 2 is between two the described high pressure quiet end 4 corresponding with it, when described high pressure moved end 2 horizontally slips with described straight moving part 1, the small end top of described moved end contact withstands on quiet end 4 contacts of high pressure of the quiet end 4 of described high pressure on left side in the described high-voltage contact group 3 at its place or right side; Every group of low pressure moved end 6 comprises low pressure moved end 6 described at least one, described in each, low pressure moved end 6 comprises upper and lower two movable contact springs 11, described in each, low pressure moved end 6 correspondences arrange two the quiet ends 7 of low pressure in left and right, and the quiet end 7 of two of left and right low pressure of low pressure moved end 6 setting corresponding to it described in each forms a low-voltage contact group 8; The quiet end 7 of described low pressure is fixed on described pedestal 5, described low pressure moved end 6 is between two the described low pressure quiet end 7 corresponding with it, when described low pressure moved end 6 horizontally slips with described straight moving part 1, the quiet end contact 12 of low pressure on the quiet end 7 of described low pressure that described movable contact spring 11 is corresponding with it disconnects or contact.
In the embodiment being more preferably, described power set are permanent-magnet manipulating mechanism 10, and described straight moving part 1 is provided with driving hole 9, and described permanent-magnet manipulating mechanism 10 is connected by between described driving hole 9 and described straight moving part 1.
In the embodiment being more preferably, between the small end of described moved end contact and described pilot hole, leave gap, and the small end top of described moved end contact is convex surface, quiet end 4 contacts of described high pressure are plane or concave surface.
In the embodiment being more preferably, quiet end 4 contacts of the high pressure of the quiet end 4 of described high pressure that described moved end contact is corresponding with it point-blank.
In the embodiment being more preferably, on described straight moving part 1, be fixedly installed three described high pressure moved ends 2 and three groups of low pressure moved ends 6, described high-voltage contact group 3 and described low-voltage contact group 8 all have three groups.Described in every group, low pressure moved end 6 comprises two described low pressure moved ends 6 and four quiet ends 7 of low pressure, forms two and often opens a normally-closed contact.
In certain specific embodiment, shown in accompanying drawing 1-4, according to a kind of Novel switch structure of the present invention, comprise pedestal 5, straight moving part 1, three groups of high-voltage contact groups 3, three groups of low-voltage contact groups 8, described high-voltage contact group 3 comprises the quiet end 4 of high pressure, high pressure moved end 2, the high pressure moved end 2 of three groups of described high-voltage contact groups is straight line and arranges the side be fixed on described straight moving part 1, and the quiet end 4 of high pressure of three groups of described high-voltage contact groups is straight line and is arranged on a side of described pedestal 5 adjacent with described high pressure moved end 2.Described low-voltage contact group 8 comprises the quiet end 7 of low pressure, low pressure moved end 6, the low pressure moved end 6 of described three groups of low-voltage contact groups is straight line and arranges the opposite side that is fixed on described straight moving part, and be arranged in parallel with described high pressure moved end 2, the quiet end 7 of low pressure of described three groups of low-voltage contact groups is straight line and is arranged on the opposite side of described pedestal 5 adjacent with described low pressure moved end 6.On described pedestal 5, be also provided with strip hole, on described straight moving part 1, be also provided with driving hole 9, driving hole and strip hole contrast, and the length of strip hole is slightly larger than straight moving part move distance, described permanent-magnet manipulating mechanism 10 is fixed on pedestal 5, sees through strip hole and is connected with the driving hole 9 of described straight moving part.The moved end of high and low pressure sets of contacts, quiet end are all separate, are not changing in overall structure situation, and the spacing between moved end and quiet end can be adjusted as required, and corresponding contact pitch can increase very easily or be less.
Described permanent-magnet manipulating mechanism 10 passes into after trigger current, by high pressure moved end 2 described in described straight moving part 6 fast driving that are connected, to quiet end 4 directions of high pressure of a side, move, after the quiet end contact of high pressure of the described moved end contact corresponding with the quiet end of this high pressure and this quiet end, described excess of stroke spring 2 starts compression, permanent-magnet manipulating mechanism 10 continues motion, after putting in place, trigger current removes, excess of stroke spring also compresses and puts in place, to contact, provide contact pressure, make together with the quiet end contact of described moved end contact and high pressure fits tightly.Described permanent-magnet manipulating mechanism 10 passes into after reverse trigger current, permanent-magnet manipulating mechanism 10 actuating forces overcome contact pressure, by high pressure moved end 2 described in described straight moving part 6 fast driving, to quiet end 4 directions of high pressure of opposite side, move, after the quiet end contact of high pressure of the described moved end contact corresponding with the quiet end of this high pressure and the quiet end of this high pressure, described excess of stroke spring 2 starts compression, permanent-magnet manipulating mechanism 10 continues motion, after putting in place, trigger current removes, excess of stroke spring also compresses and puts in place, to contact, provide contact pressure, make together with the quiet end contact of described moved end contact and high pressure fits tightly.
Described permanent-magnet manipulating mechanism 10 passes into after trigger current, drive described straight moving part 1 rapid movement being connected, be connected to the described high pressure moved end 2 on described straight moving part 1, described low pressure moved end 6 moves simultaneously, disconnect or closure with the corresponding quiet end 4 of described high pressure, the quiet end 7 of described low pressure respectively, form different closing contacts and/or break contact.Described high-voltage contact group comprises 1 high pressure moved end and 2 quiet ends of high pressure, and described high pressure moved end is positioned at two the quiet end of high pressure centre positions, forms one and often opens a normally-closed contact; Described low-voltage contact group comprises 2 high pressure moved ends and 4 quiet ends of high pressure, forms two and often opens a normally-closed contact.
More than by the detailed description of concrete and preferred embodiment the present invention; but those skilled in the art should be understood that; the present invention is not limited to the above embodiment; within the spirit and principles in the present invention all; any modification of doing, be equal to replacement etc., within protection scope of the present invention all should be included in.

Claims (6)

1. a novel capacitance switch structure, is characterized in that: comprise power set, pedestal and the straight moving part that left and right slidably arranges on described pedestal, be fixedly installed at least one high pressure moved end and at least one group of low pressure moved end on described straight moving part; Described straight moving part is divided into upper and lower two parts, and described high pressure moved end and described low pressure moved end are separately fixed in a part wherein; Described power set drive described straight moving part to horizontally slip on described pedestal;
Two of the left and right moved end contact that described in each, high pressure moved end includes excess of stroke spring, positioning and guiding seat and arranges in opposite directions, described moved end contact comprises the small end of column and the large end of dish dress, described positioning and guiding seat is provided with two pilot holes in left and right; The small end of two described moved end contacts passes respectively the pilot hole of a side separately, in described pilot hole, slidably arranges, and the outside diameter of described moved end contact is greater than described pilot hole; Described excess of stroke spring withstands between two moved end contacts; Described in each, high pressure moved end correspondence arranges two the quiet ends of high pressure in left and right, and described in each, high pressure moved end arrange left and right two high pressure quiet end corresponding to it forms a high-voltage contact group; The quiet end of described high pressure is fixed on described pedestal, described high pressure moved end is between two the described high pressure quiet ends corresponding with it, when described high pressure moved end horizontally slips with described straight moving part, the small end top of described moved end contact withstands on the quiet end contact of high pressure of the quiet end of described high pressure on left side in the described high-voltage contact group at its place or right side;
Every group of low pressure moved end comprises low pressure moved end described at least one, described in each, low pressure moved end comprises upper and lower two movable contact springs, described in each, low pressure moved end correspondence arranges two the quiet ends of low pressure in left and right, and the quiet end of two of left and right low pressure of low pressure moved end setting corresponding to it described in each forms a low-voltage contact group; The quiet end of described low pressure is fixed on described pedestal, described low pressure moved end is between two the described low pressure quiet ends corresponding with it, when described low pressure moved end horizontally slips with described straight moving part, the quiet end contact of low pressure on the described movable contact spring quiet end of described low pressure corresponding with it disconnects or contact.
2. novel capacitance switch structure according to claim 1, is characterized in that: described power set are permanent-magnet manipulating mechanism, and described straight moving part is provided with driving hole, and described permanent-magnet manipulating mechanism is connected by between described driving hole and described straight moving part.
3. novel capacitance switch structure according to claim 1, is characterized in that: between the small end of described moved end contact and described pilot hole, leave gap, and the small end top of described moved end contact is convex surface, the quiet end contact of described high pressure is plane or concave surface.
4. novel capacitance switch structure according to claim 1, is characterized in that: the quiet end contact of high pressure of the quiet end of described high pressure that described moved end contact is corresponding with it point-blank.
5. novel capacitance switch structure according to claim 1, is characterized in that: on described straight moving part, be fixedly installed three described high pressure moved ends and three groups of low pressure moved ends, described high-voltage contact group and described low-voltage contact group all have three groups.
6. novel capacitance switch structure according to claim 1, is characterized in that: described in every group, low pressure moved end comprises two described low pressure moved ends and four quiet ends of low pressure, forms two and often opens a normally-closed contact.
CN201410370879.9A 2014-07-30 2014-07-30 A kind of novel capacitance switch structure Active CN104112610B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116259489A (en) * 2023-05-11 2023-06-13 成都理工大学 Multi-bit Cheng Jieti trigger displacement switch

Citations (5)

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Publication number Priority date Publication date Assignee Title
CN201975275U (en) * 2011-04-01 2011-09-14 武汉长虹恒通高压设备有限公司 Non-excitation bar-shaped capacitance-regulating tap switch
DE202009018642U1 (en) * 2009-04-09 2012-07-03 Maschinenfabrik Reinhausen Gmbh Tap-changer with semiconductor switching elements
CN202905484U (en) * 2012-03-23 2013-04-24 武汉长虹恒通高压设备有限公司 Excitation-free strip-type off-circuit tap switch
CN203466088U (en) * 2013-09-22 2014-03-05 武汉长虹恒通高压设备有限公司 Fan-shaped non-excitation tapping switch
CN204067084U (en) * 2014-07-30 2014-12-31 北京博瑞莱智能科技集团有限公司 A kind of novel capacitance switch structure

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202009018642U1 (en) * 2009-04-09 2012-07-03 Maschinenfabrik Reinhausen Gmbh Tap-changer with semiconductor switching elements
CN201975275U (en) * 2011-04-01 2011-09-14 武汉长虹恒通高压设备有限公司 Non-excitation bar-shaped capacitance-regulating tap switch
CN202905484U (en) * 2012-03-23 2013-04-24 武汉长虹恒通高压设备有限公司 Excitation-free strip-type off-circuit tap switch
CN203466088U (en) * 2013-09-22 2014-03-05 武汉长虹恒通高压设备有限公司 Fan-shaped non-excitation tapping switch
CN204067084U (en) * 2014-07-30 2014-12-31 北京博瑞莱智能科技集团有限公司 A kind of novel capacitance switch structure

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116259489A (en) * 2023-05-11 2023-06-13 成都理工大学 Multi-bit Cheng Jieti trigger displacement switch
CN116259489B (en) * 2023-05-11 2023-10-17 成都理工大学 Multi-bit Cheng Jieti trigger displacement switch

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