CN104485601B - The gas-insulated metal-enclosed high-tension switch gear of EMUs - Google Patents
The gas-insulated metal-enclosed high-tension switch gear of EMUs Download PDFInfo
- Publication number
- CN104485601B CN104485601B CN201410744933.1A CN201410744933A CN104485601B CN 104485601 B CN104485601 B CN 104485601B CN 201410744933 A CN201410744933 A CN 201410744933A CN 104485601 B CN104485601 B CN 104485601B
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- electrode
- station
- conductor
- electrical conductor
- air chamber
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- 241000271559 Dromaiidae Species 0.000 title claims abstract description 12
- 239000004020 conductor Substances 0.000 claims abstract description 52
- 230000007246 mechanism Effects 0.000 claims abstract description 19
- 230000033001 locomotion Effects 0.000 claims abstract description 9
- 238000002955 isolation Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 238000010276 construction Methods 0.000 abstract description 5
- 239000002184 metal Substances 0.000 description 3
- 238000009413 insulation Methods 0.000 description 2
- 238000013475 authorization Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/035—Gas-insulated switchgear
- H02B13/0352—Gas-insulated switchgear for three phase switchgear
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Gas-Insulated Switchgears (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention provides EMUs with gas-insulated metal-enclosed high-tension switch gear, including sealed air chamber, the inside of sealed air chamber is provided with tri-station isolating switch component, tri-station isolating switch component includes being fixed on the first electrode of left and right extension in sealed air chamber, second electrode and grounding electrode, grounding electrode and second electrode are respectively separated the left and right sides for being fixedly arranged on first electrode, one is used to connect lead-in cable in first electrode and second electrode, another is used to connect outgoing cable, conductive slidable fit has electrical conductor to first electrode vertically, electrical conductor is connected with drive mechanism and moved left and right under the driving of drive mechanism, electrical conductor has conducting station in the movement travel of left and right directions, isolate station and ground connection station.The high-tension switch gear of the present invention is simple in construction, easy to use, and processing is got up also inexpensively, and using effect is preferable.
Description
Technical field
The invention belongs to high-voltage switch gear technical field, and in particular to a kind of EMUs are pressed off with gas-insulated metal-enclosed height
Close equipment.
Background technology
EMUs roof high-tension apparatus is all using the scattered installation of roof at present, and space-consuming is big, and high-pressure conductive part is naked
Dew is in atmosphere, very big by external environment influence, especially under inclement weather conditions, high pressure component insulation flashover often occurs
And insulation breakdown phenomenon, have a strong impact on traffic safety.
Authorization Notice No. provides a kind of gas-insulated metal switch for CN203491176U Chinese utility model patent
Equipment, the equipment are used for Three-phase Power Systems system, including tri-station isolating switch component and high speed grounding switch component, three works
Position switch component and high speed grounding switch component are inside sealed air chamber, however, this gas-insulated metal switchs
The switch component and earthed switch modular construction of equipment are complicated, and difficulty of processing is larger, and manufacturing cost is higher, so complicated
Structure is when breaking down, it is also desirable to which substantial amounts of maintenance fund and time, using effect are not very good.
The content of the invention
This purpose invented in fact is to provide EMUs a kind of simple in construction, easy to use with gas-insulated metal-enclosed
High-tension switch gear.
In order to solve the above-mentioned technical problem, this high-tension switch gear invented in fact adopts the following technical scheme that：EMUs are used
Gas-insulated metal high-tension switch gear, including sealed air chamber, the inside of the sealed air chamber are provided with tri-station isolating switch group
Part, the tri-station isolating switch component include being fixed on sealed air chamber in the first electrode that left and right extends, second electrode and
Grounding electrode, the second electrode and grounding electrode are respectively separated the left and right sides for being fixedly arranged on first electrode, the first electrode
It is used to connect lead-in cable with one in second electrode, another is used to connect outgoing cable, and the first electrode is led vertically
Electric slidable fit has electrical conductor, and the electrical conductor is connected with drive mechanism and moved to right in the driving bottom left of drive mechanism
Dynamic, electrical conductor has conducting station, isolation station and ground connection station, the moving conductive in the movement travel of left and right directions
Body connects first electrode and second electrode at conducting station, is not contacted with second electrode, grounding electrode at isolation station,
First electrode and grounding electrode are connected at ground connection station.
The electrical conductor is the thread bush for the screwed hole that shaft core position offers left and right extension, and the drive mechanism includes
The leading screw being threadedly coupled with thread bush, thread bush assembling spin-ended with first electrode simultaneously drive it by the rotary motion of leading screw
Move left and right.
The first electrode is provided with the conductive sleeve of the guide finger radially extended, the periphery that the moving conductive carries for circumferential wall
Face is provided with axially extending guide chute, and first electrode is slidably matched with electrical conductor by the guiding of guide finger and guide chute
Realize that guiding of the electrical conductor in first electrode is slided.
Being located above and below first electrode for the sealed air chamber is sealedly connected with seal socket on the housing of both sides, and described first
Electrode and/or second electrode are respectively equipped with the conductive connecting piece extended up and down, the conductive connecting piece and sealing in upper and lower both sides
Socket is conductively connected by L-type electric-conductor.
Voltage transformer is connected with seal socket on sealed air chamber's housing.
The tri-station isolating switch component of the high-tension switch gear of the present invention includes being fixed on left and right extension in sealed air chamber
First electrode, second electrode and grounding electrode, second electrode and grounding electrode are respectively separated the left side for being fixedly arranged on first electrode
One is used to connect lead-in cable in right both sides, first electrode and second electrode, and another is used to connect outgoing cable, the first electricity
Conductive slidable fit has electrical conductor vertically for pole, and electrical conductor is connected with drive mechanism and under the driving of drive mechanism
Move left and right, electrical conductor has conducting station, isolation station and ground connection station in the movement travel of left and right directions, dynamic to lead
Electric body connects first electrode and second electrode at conducting station, is not connect with second electrode, grounding electrode at isolation station
Touch, first electrode and grounding electrode are connected at ground connection station.The high-tension switch gear of the present invention is simple in construction, passes through driving machine
Structure drives guiding of the electrical conductor in first electrode to slide the switching that three stations can be achieved, easy to use, and is not easy
Break down, using effect is preferable.
Further, electrical conductor is realized to be oriented to and slided by screwed hole and the wire rod thread transmission of shaft core position, that is, is driven
Motivation structure is subtracted by the way that convert rotational motion is realized into the mutual switching of three stations of disconnecting switch for the linear motion of electrical conductor
The small volume of whole equipment and shared space, while control more convenient.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the gas-insulated metal-enclosed high-tension switch gear embodiment of EMUs of the present invention
Figure.
Embodiment
A kind of embodiment of the gas-insulated metal-enclosed high-tension switch gear of EMUs of the present invention：As shown in figure 1, bag
Sealed air chamber 1 is included, the inside of sealed air chamber 1 is fixed with tri-station isolating switch component, and outer side seal is connected with drive mechanism
2, wherein, tri-station isolating switch component includes the first electrode 42 of left and right extension, and the left and right ends of first electrode 42 are solid respectively
Surely grounding electrode 41 and second electrode 43 are provided with, certainly, the position of grounding electrode and second electrode can exchange.Grounding electrode
41st, first electrode 42 and second electrode 43 are coaxially disposed, and first electrode 42 is cylindrical sleeve, and the inside of cylindrical sleeve is in left and right directions
Conductive slidable fit has electrical conductor 40, and electrical conductor 40 extends in left and right directions and by outer peripheral face and first electrode 42
Hole conduction is slidably matched, and electrical conductor 40 is dynamic to lead with being moved left and right under the drive connection of drive mechanism 2 and the driving of drive mechanism 2
Electric body 40 has three stations in stroke is moved left and right, i.e. both ends are respectively communicated with the conducting of second electrode 43 and first electrode 42
The isolation station and both ends that station, both ends do not contact with second electrode 43 and grounding electrode 41 connect first electrode 42 respectively
With the ground connection station of grounding electrode 41, electrical conductor 40 is the thread bush that shaft core position is provided with screwed hole, and drive mechanism 2 includes axle
Line is overlapped with the axis of first electrode 42 and opened up with the rotational lead screw 44 of dynamic first electrode Screw assembly, the center of grounding electrode 41
There is a resigning through hole that left and right extends, rotational lead screw stretches into sealed air chamber in and pass through the resigning elongated hole of grounding electrode 41, gos deep into the
It is connected with the screwed hole of thread bush in the endoporus of one electrode 42, rotational lead screw 44 can not be moved axially by the spacing of position-limit mechanism
It is dynamic to circumferentially rotate, electrical conductor 40 and 42 spin-ended assembling of first electrode, the energy when the rotational lead screw 44 of drive mechanism rotates
Enough driving electrical conductors 40 move left and right.
First electrode 42 is provided with the guide finger 420 extended in a radial direction, and guide finger has two and respectively positioned at first
The left and right ends neighbouring position of electrode 42, guide finger 420 is assemblied in first electrode 42 and its one end extend into first electrode 42
Endoporus in, the outer peripheral face of electrical conductor 40 is provided with the guide chute in left and right directions extension, and guide finger 42 is deep into first
One end in electrode endoporus is oriented to guide chute is slidably matched and realizes that the spin-ended guiding of first electrode and electrical conductor is slided
Coordinate, the length of electrical conductor 40 is more than the distance between two guide fingers 420 so that electrical conductor is moving right to conducting
Station or be moved to the left to ground connection station when always have in the guide chute that a guide finger be located on electrical conductor, play rotation stop with
Guide effect, certainly, in other embodiments, the guide finger in first electrode can be one or more than three, guide finger
Position can be located at first electrode other axial locations, only need spin-ended effect can be played to electrical conductor, or
First electrode can realize rotation stop with electrical conductor using positive, i.e., the endoporus of first electrode is provided with into square hole or ellipse
Hole, moving conductive block are to coincide to coordinate square or oval with the endoporus of first electrode, and now electrical conductor will not be relative to
First electrode circumferentially rotates.
The internal face of sealed air chamber 1 is provided with six seal sockets 30, and six seal sockets are divided into two groups relatively located at close
The both sides up and down of air chamber are sealed, two seal sockets opposing upper and lower positioned at right side correspond to second electrode 43, and lower section is close
Lead-in cable 31 is connected with envelope socket, voltage transformer 33 is connected with the seal socket of top, certainly, in other embodiment
In, voltage transformer can should not, lead-in cable can be inserted in top sealing plug on.About four positioned at left side are relative
Seal socket correspond to first electrode 42, and be connected to outgoing cable 32, be provided with first electrode 42 in upper and lower both sides
The first conductive connecting piece 421 extended up and down, the terminals of the first conductive connecting piece 421 and seal socket 30 are conductive by L-type
Part 45 is conductively connected, wherein a line of L-type electric-conductor 45 above-below direction extend and with 421 parallel company of the first conductive connecting piece
Connect, another a line extends in left and right directions and connects the parallel connection in lower end with seal socket, similarly, upper in second electrode 43
Lower both sides are provided with the second conductive connecting piece 431 for extending up and down, the second conductive connecting piece 431 by L-type electric-conductor with it is corresponding
Seal socket is conductively connected, and certainly, in other embodiments, the quantity of seal socket and position can be set according to being actually needed
Put, seal socket and the connected mode of first electrode and second electrode can also use other connected modes, and the present embodiment is
A kind of preferred scheme is provided.
In the present embodiment, electrical conductor is connected with drive mechanism by screw-driven, in other embodiments, can be passed through
Spring operating mechanism drives electrical conductor linear motion, or uses other transmission mechanisms.
In the present embodiment, first electrode is cylindrical sleeve, and guide finger and electrical conductor by radially extending realize rotation stop
Coordinate and guiding be slidably matched, in other embodiments, first electrode can be by two relative U-type groove splits of opening and
Into electrical conductor is provided with two abutting ends up and down coordinated with two U-type grooves.
The high-tension switch gear of the present invention is simple in construction, easy to use, and processing is got up also inexpensively, using effect compared with
It is good.
Claims (3)
1. EMUs gas-insulated metal-enclosed high-tension switch gear, including sealed air chamber, the inside of the sealed air chamber are set
There is tri-station isolating switch component, it is characterised in that the tri-station isolating switch component includes being fixed on a left side in sealed air chamber
First electrode, second electrode and the grounding electrode of right extension, the grounding electrode and second electrode, which are respectively separated, is fixedly arranged on
The left and right sides of one electrode, conductive slidable fit has electrical conductor to the first electrode vertically, and the electrical conductor transmission connects
It is connected to drive mechanism and is moved left and right under the driving of drive mechanism, electrical conductor has in the movement travel of left and right directions leads
Logical station, isolation station and ground connection station, the electrical conductor connect first electrode and second electrode at conducting station,
Do not contacted with second electrode, grounding electrode at isolation station, first electrode and grounding electrode, sealing are connected at ground connection station
The internal face of air chamber is provided with six seal sockets, six seal sockets be divided into two groups it is relative located at up and down the two of sealed air chamber
Side, two seal sockets opposing upper and lower positioned at right side correspond to second electrode, and are connected with and draw on the seal socket of lower section
Enter cable, voltage transformer is connected with the seal socket of top, four seal sockets opposing upper and lower positioned at left side are corresponding
In first electrode, and outgoing cable is connected to, it is conductive that the first electrode is provided with first extended up and down in upper and lower both sides
Connection sheet, the second electrode are provided with the second conductive connecting piece extended up and down in upper and lower both sides, and the first conductive connecting piece is set
Between four seal sockets opposing upper and lower positioned at left side, the second conductive connecting piece is arranged in about two of right side
The left side of relative seal socket, conductive connecting piece and seal socket are conductively connected by L-type electric-conductor, the first conductive connecting piece
Be respectively arranged on the left side and the right side first group of L-type electric-conductor, second group of L-type electric-conductor, first group of L-type electric-conductor and second group of L-type
Electric-conductor is disposed opposite to each other, and the right side of the second conductive connecting piece is provided with the 3rd group of L-type electric-conductor, the 3rd group of L-type electric-conductor and second
Group L-type electric-conductor be oppositely arranged, L-type electric-conductor a line above-below direction extend and connection parallel with conductive connecting piece, it is another
Bar side extends in left and right directions and connects the parallel connection in lower end with seal socket.
2. the gas-insulated metal-enclosed high-tension switch gear of EMUs according to claim 1, it is characterised in that described
Electrical conductor is the thread bush for the screwed hole that shaft core position offers left and right extension, and the drive mechanism includes and screw thread external threading
The screw mandrel of connection, thread bush assembling spin-ended with first electrode simultaneously drive it to move left and right by the rotary motion of screw mandrel.
3. the gas-insulated metal-enclosed high-tension switch gear of EMUs according to claim 1 or 2, it is characterised in that
The first electrode is the conductive sleeve that circumferential wall is provided with the guide finger radially extended, and the outer peripheral face of the electrical conductor is provided with axle
To the guide chute of extension, first electrode is slidably matched with electrical conductor by the guiding of guide finger and guide chute, and realization is dynamic to be led
Guiding of the electric body in first electrode is slided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410744933.1A CN104485601B (en) | 2014-12-09 | 2014-12-09 | The gas-insulated metal-enclosed high-tension switch gear of EMUs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410744933.1A CN104485601B (en) | 2014-12-09 | 2014-12-09 | The gas-insulated metal-enclosed high-tension switch gear of EMUs |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104485601A CN104485601A (en) | 2015-04-01 |
| CN104485601B true CN104485601B (en) | 2017-11-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410744933.1A Expired - Fee Related CN104485601B (en) | 2014-12-09 | 2014-12-09 | The gas-insulated metal-enclosed high-tension switch gear of EMUs |
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| Country | Link |
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| CN (1) | CN104485601B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105846339B (en) * | 2016-06-15 | 2019-01-04 | 北京科锐博实电气设备有限公司 | A kind of motor train unit load switch equipment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2578956Y (en) * | 2002-10-08 | 2003-10-08 | 李彤 | Direct-actuated three position switch |
| CN200990482Y (en) * | 2006-09-29 | 2007-12-12 | 希捷爱斯（上海）电气有限公司 | Direct acting three-station switch |
| CN201541081U (en) * | 2009-12-01 | 2010-08-04 | Abb技术有限公司 | Monopole railway cabinet type gas insulated switch device |
| CN101931180A (en) * | 2010-08-26 | 2010-12-29 | 广东省顺德开关厂有限公司 | Gas insulation metal sealing switch device of double-bus |
| CN102916362A (en) * | 2011-08-02 | 2013-02-06 | 湖南丰日电源电气股份有限公司 | Intelligent inflatable high-pressure vacuum switch cabinet for metro |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101409433B (en) * | 2008-12-04 | 2010-10-06 | 天水长城开关厂有限公司 | Soft interlocking mechanism for switch cabinet vehicle-in/out apparatus |
| CN204597337U (en) * | 2014-12-09 | 2015-08-26 | 许继集团有限公司 | The gas-insulated metal-enclosed high voltage switchgear of a kind of motor train unit |
-
2014
- 2014-12-09 CN CN201410744933.1A patent/CN104485601B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2578956Y (en) * | 2002-10-08 | 2003-10-08 | 李彤 | Direct-actuated three position switch |
| CN200990482Y (en) * | 2006-09-29 | 2007-12-12 | 希捷爱斯（上海）电气有限公司 | Direct acting three-station switch |
| CN201541081U (en) * | 2009-12-01 | 2010-08-04 | Abb技术有限公司 | Monopole railway cabinet type gas insulated switch device |
| CN101931180A (en) * | 2010-08-26 | 2010-12-29 | 广东省顺德开关厂有限公司 | Gas insulation metal sealing switch device of double-bus |
| CN102916362A (en) * | 2011-08-02 | 2013-02-06 | 湖南丰日电源电气股份有限公司 | Intelligent inflatable high-pressure vacuum switch cabinet for metro |
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| Publication number | Publication date |
|---|---|
| CN104485601A (en) | 2015-04-01 |
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