CN202696041U - Gas insulation open and close apparatus - Google Patents

Gas insulation open and close apparatus Download PDF

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Publication number
CN202696041U
CN202696041U CN 201220391218 CN201220391218U CN202696041U CN 202696041 U CN202696041 U CN 202696041U CN 201220391218 CN201220391218 CN 201220391218 CN 201220391218 U CN201220391218 U CN 201220391218U CN 202696041 U CN202696041 U CN 202696041U
Authority
CN
China
Prior art keywords
current mutual
vessel
gas insulation
container
switching device
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.)
Expired - Fee Related
Application number
CN 201220391218
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Chinese (zh)
Inventor
许裕
黄博宇
马爱国
陈显国
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BEIJING HONGDA RIXIN MOTOR CO LTD
Original Assignee
BEIJING HONGDA RIXIN MOTOR CO LTD
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
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Priority to CN 201220391218 priority Critical patent/CN202696041U/en
Application granted granted Critical
Publication of CN202696041U publication Critical patent/CN202696041U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model provides a gas insulation open and close apparatus comprising a current mutual inductance apparatus (1) and a switch apparatus (2) mutually and electrically connected, the current mutual inductance apparatus (1) comprises a current mutual inductance apparatus container (11) and a current transformer (12) arranged inside the current mutual inductance apparatus container (11), the switch apparatus (2) comprises a switch apparatus container (21) and an isolating switch (20) arranged inside the switch apparatus container (21), the gas insulation open and close apparatus also comprises an unkeep grounding switch (3), the current mutual inductance apparatus container (11) comprises a current mutual inductance apparatus container body (13) and an additional container (14) connected with the current mutual inductance apparatus container body (13), the additional container (14) is arranged below the current mutual inductance apparatus container body (13), and the unkeep grounding switch (3) is arranged in the additional container (14). The gas insulation open and close apparatus is small in size, and can be employed to form other structures with low cost.

Description

Gas insulation opening and closing arrangement
Technical field
The utility model relates to the power industry technologies field, more specifically to a kind of gas insulation opening and closing arrangement.
Background technology
The gas insulation opening and closing arrangement of prior art; as shown in Figure 1; the current mutual-inductance apparatus 8 and the switching device 9 that comprise mutual electrical connection; current mutual-inductance apparatus 8 comprises current mutual-inductance apparatus container 81 and the current transformer 82 of being located in this container 81, and current transformer 82 is comprised of coil and iron core, when main circuit conductor 83 conducting; produce magnetic flux in the iron core; thereby make coil produce induced current, utilize induced current that equipment is protected, monitor and measurement.Switching device 9 comprises switching device container 91 and the isolating switch 92 of being located in this switching device container 91, be provided with a plurality of ports at switching device container 91, switching device 9 is electrically connected with insulator container 94 at the port of being located at the switching device container top by the "T"-shaped container 93 of a joint, is connected with insulator 95 at insulator container 94.In addition, switching device 9 is electrically connected with Quick ground switch device 96 at the port of being located at switching device container 91 middle parts.In addition, also be provided with inspection earthing switch 97 in switching device container 91, when maintenance, these inspection earthing switch 97 fractures are closed, make main circuit conductor 83 ground connection.In above-mentioned gas insulated switchgear device, because inspection earthing switch 97 is located in this switching device container 91, thereby cause the volume of this switching device container 91 excessive, and when utilizing this switching device 9 to form other version, also can cause the problem of high cost.
The utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of small volume, lower-cost gas insulation opening and closing arrangement when forming other version.
For achieving the above object, the technical solution of the utility model is:
A kind of gas insulation opening and closing arrangement, the current mutual-inductance apparatus and the switching device that comprise mutual electrical connection, current mutual-inductance apparatus comprises current mutual-inductance apparatus container and the current transformer of being located in the current mutual-inductance apparatus container, switching device comprises switching device container and the isolating switch of being located in this switching device container, it is characterized in that, this gas insulation opening and closing arrangement also comprises the inspection earthing switch, this current mutual-inductance apparatus container comprises the current mutual-inductance apparatus vessel and is located at this current mutual-inductance apparatus vessel below, coupled logical additive vessel, described inspection earthing switch is located in the described additive vessel.
In design in the past, additive vessel is not set, when the size of vessel is set, for example consider in the vessel, thereby the inspection earthing switch that is positioned at the bottom need to take certain space with the size of whole vessel arrange larger, and in the vessel bottom, except the inspection earthing switch, remaining space becomes useless space, and waste, this can cause whole device volume larger, simultaneously, in the prior art, also the inspection earthing switch is arranged in the switching device container with isolating switch, thereby the volume of switching device is larger, and in the technical program, inspection switch is shifted out from former switching device, and form new equipment with current transformer, the volume of switching device is reduced, simultaneously, the additive vessel that a small volume is set below primary current instrument transformer vessel is accommodated the inspection earthing switch, compare with the inspection earthing switch is set directly in the current transformer vessel, can reduce the volume of current transformer integral container, so that the volume of whole gas insulation opening and closing arrangement further reduces, when forming other version, also so that cost.
Described current mutual-inductance apparatus vessel and additive vessel are cylindrical vessel, and mutually vertical setting of axis.Two container axis vertically arrange.
Described current mutual-inductance apparatus vessel and the adjacent position of additive vessel are provided with and make this two notches that container communicates.The volume of this additive vessel is as the criterion be able to hold the inspection earthing switch.Notch is set makes things convenient for the associated terminal of inspection earthing switch and connection, the disconnection of main circuit conductor.
Also be provided with main circuit conductor in the described current mutual-inductance apparatus vessel, this current transformer is for detection of the electric current of this main circuit conductor, be equipped with branch conductors towards the additive vessel direction on this main circuit conductor, this inspection earthing switch can be connected by this branch conductors and this main circuit conductor through this notch.
This branch conductors free end is connected with the contact shoe assembly, the inspection earthing switch comprises: lower contact shoe assembly, moving contact moving up and down, earthy terminal conductor, operating mechanism, lower contact shoe assembly is provided with through hole, and this time contact shoe assembly is electrically connected with earthy terminal conductor, and described operating mechanism moves up or down with respect to lower contact shoe assembly along through hole by the control moving contact and contacts with upper contact shoe assembly or disconnect.
Described inspection earthing switch also comprises the mounting panel that is arranged on the described additive vessel, is used for fixing lower contact shoe assembly, described operating mechanism comprises: driving shaft, connecting lever, moving contact drive plate, guide rod, wherein, this connecting lever one end is connected with driving shaft, the other end is connected with the moving contact drive plate, the moving contact drive plate is connected with moving contact, the drive shaft connecting lever rotates, connecting lever drives the moving contact drive plate and moves up and down, the moving contact drive plate drives the moving contact generation and moves up and down, and the moving contact drive plate leads by the guide rod that is fixed on the mounting panel.
Bottom at described additive vessel is provided with insulating bushing, and this earthy terminal conductor arranges in the mode that runs through this insulating bushing.
This main circuit conductor is three-phase, and this branch conductors also is three-phase, and vertically arranges point-blank with above-below direction, and this time contact shoe assembly and moving contact are three, and this time contact shoe assembly and this branch conductors are arranged point-blank accordingly.
Also be provided with high speed grounding switch in this switching device container.
This switching device comprises the connectivity port of being located at switching device container middle part, and this connectivity port is used for connecting porcelain bushings.Connecting porcelain bushings is connected with the connectivity port of being located at the middle part, can saves the "T"-shaped container that in the past used, saved cost.
The utility model compared with prior art has following advantage and beneficial effect: the utility model is so that the inspection earthing switch becomes separately a module, from former switching device, move out, and be installed in the additive vessel that arranges on the current mutual-inductance apparatus container, reduced the volume of switching device, so that gas insulation opening and closing arrangement compact conformation, volume is little, when forming other version, has also reduced cost.
Description of drawings
Fig. 1 is the structural representation of the gas insulation opening and closing arrangement of prior art;
Fig. 2 is the structural representation of gas insulation opening and closing arrangement of the present utility model;
Fig. 3 is the structural representation that current mutual-inductance apparatus is amplified expression;
Fig. 4 is the A-A line ladder cut-away sectional view of Fig. 3.
Embodiment
Hereinafter, preferred implementation of the present utility model is described with reference to the accompanying drawings.
As shown in Figure 1, gas insulation opening and closing arrangement of the present utility model comprises the current mutual-inductance apparatus 1 and the switching device 2 that mutually are electrically connected across insulator 4.
Current mutual-inductance apparatus 1
Current mutual-inductance apparatus 1 comprises current mutual-inductance apparatus container 11 and current transformer 12 and the inspection earthing switch 3 be located in the current mutual-inductance apparatus container 11.
Wherein, current mutual-inductance apparatus container 11 comprises current mutual-inductance apparatus vessel 13 and the additive vessel 14 of being located at these current mutual-inductance apparatus vessel 13 belows and being connected with current mutual-inductance apparatus vessel 13 interior spaces, inspection earthing switch 3 is located in the additive vessel 14, and the volume of additive vessel 14 preferably be able to hold inspection earthing switch 3.Shown in Fig. 3,4, current mutual-inductance apparatus vessel 13 and additive vessel 14 are cylindrical vessel, and with share a part of space (being connected on the space), the orthogonal mode of axis is wholely set, from figure, it can also be seen that, be provided with the notch 17 that these two containers are communicated in the two adjacent position, also be provided with dismountable capping 141,141 at the both ends cylindraceous of additive vessel 14 simultaneously.
Current transformer 12 as shown in Figure 1; comprise coil and iron core; and be provided with the through hole that connects for main circuit conductor 15; when main circuit conductor 15 conducting; in iron core, produce magnetic flux; thereby make coil produce induced current, utilize this sensor current signal that whole system is protected, monitor and measurement.
In addition, in current mutual-inductance apparatus vessel 13, also contain three-phase main circuit conductor 15, on three-phase main circuit conductor 15, be equipped with the branch conductors 16 of three-phase towards additive vessel 14 directions near the position of switching device 2, this three-phase branch conductors 16 and above-below direction vertically are the arrangement of a row straight line, and inspection earthing switch 3 can be connected by three-phase branch conductors 16 and three-phase main circuit conductor 15 through notch 17.In addition, the free end in three-phase branch conductors 16 also is connected with contact shoe assembly 18 on three.
Shown in Fig. 3,4, inspection earthing switch 3 comprises three lower contact shoe assemblies 31, three moving contacts 32 moving up and down, three earthy terminal conductors 33, operating mechanism 34.Three lower contact shoe assemblies 31 are by being located at the mounting panel 341 on the additive vessel 14, fix with being a row linear array, and lower contact shoe assembly 31 is provided with through hole, in addition, lower contact shoe assembly 31 is electrically connected by three earthing bars 35 in a row that extend upward setting at upper and lower with earthy terminal conductor 33, operating mechanism 34 moves up or down with respect to lower contact shoe assembly 31 along through hole by control moving contact 32, contacts with upper contact shoe assembly 18 or disconnects.Operating mechanism 34 comprises: driving shaft 36, connecting lever 37, moving contact drive plate 38, guide rod 39, wherein, connecting lever 37 1 ends are connected with driving shaft 36, the other end is connected with moving contact drive plate 38, moving contact drive plate 38 is connected with three moving contacts 32 simultaneously, driving shaft 36 drives connecting lever 37 rotations, the slotted hole and the vast sky of being located on the moving contact drive plate 38 on the connecting lever 37 is located in utilization, rotatablely moving of connecting lever 37 is converted to moving up and down of moving contact drive plate 38, thereby the connecting lever 37 drive moving contact drive plates 38 by rotation move up and down, driving three moving contacts 32 moves up and down simultaneously, and guide rod 39 1 ends are fixed in mounting panel 341, and the other end is fixed on the moving contact drive plate 38, simultaneously, move up and down (also being moving up and down of moving contact 36) of moving contact drive plate 38 leads by guide rod 39.In addition, be provided with insulating bushing 30 in the bottom of additive vessel 14, earthy terminal conductor 33 arranges in the mode that runs through insulating bushing 30.Thus, when needs overhaul integral body, make the circuit communication ground connection in inspection earthing switch 3 and the current transformer 12, guarantee that switching device 2 is in earthing potential.
The below specifically describes the course of work of inspection earthing switching device 3.As shown in Figure 3 be the figure that the inspection earthing switch is in off-state, be when gas insulation opening and closing arrangement is in normal operation, three moving contacts 32 are in the state of its lower end position.At this moment, if fault has occured operating mechanism 34, three moving contacts 32 can be in the state that the inspection earthing switch is disconnected owing to action of gravitation, thereby fail safe is higher.
When driving shaft 36 rotates, driving connecting lever 37 rotates, connecting lever so that moving contact drive plate 38 move up, so that three moving contacts 32 move up simultaneously, and contact with free-ended three upper contact shoe assemblies 18 of being located at three-phase branch conductors 16 respectively, with three-phase main circuit conductor 15 ground connection, in this process, come moving contact drive plate 38 guiding by guide post 39, and limit its upper limit position.
With it relatively, when driving shaft 36 counter-rotation, driving connecting lever 37 rotates, connecting lever, separates with three upper contact shoe assemblies 18 so that three moving contacts 32 move down so that moving contact drive plate 38 moves down, the three-phase main circuit conductor is in unearthed state, in this process, come moving contact drive plate 38 guiding by guide post 39, and limit it and move the lower position.
Switching device 2
Switching device 2 comprises switching device container 21 and the isolating switch 20 of being located in this switching device container 21, respectively be provided with a top port 22, bottom port 23 in switching device container 21 tops, bottom, relative position also is provided with two central port 24,25 mutually at switching device container 21 middle parts.Be provided with central port bus group 241 in the central port 24, this central port bus group 241 is electrically connected with the three-phase main circuit conductor 15 of current mutual-inductance apparatus 1 across insulator 4, and each top port 22, bottom port 23, another central port 25 within it section also be respectively equipped with top port bus group 221, bottom port bus group 231, central port bus group 251.Switching device 2 is realized the switching function of the electrical appliance that the corresponding port is connected by each top port bus group 221, bottom port bus group 231, central port bus group 251 and the break-make of central port bus group 241.
Be connected with insulator container 51 in another central port 25, be connected with insulator 52 at insulator container 51.In addition, be connected with Quick ground switch device 6 on the top port 22.Bottom port 23 can be selected to connect different circuit according to actual conditions, does not perhaps connect any circuit.
More than gas insulation opening and closing arrangement of the present utility model is described in detail, certainly, the utility model is not limited to this, can also do suitable improvement on the basis of above-mentioned execution mode, for example: the shape of current mutual-inductance apparatus vessel and additive vessel is not limited to cylindrical shape can also be other shape, prism shape for example, the axis of the two are also can be mutually vertical and be arbitrarily angle setting.As long as the notch between current mutual-inductance apparatus vessel and the additive vessel can make two containers communicate, and do not interfere the moving contact motion to get final product, can have any shape.As long as operating mechanism can be controlled moving up and down of moving contact, also can be other structure.In addition, the arrangement mode of upper contact shoe assembly and lower contact shoe assembly needs only corresponding, also can not linearly arrangement, and be the arrangement of other form.Also can select etc. according to actual needs about the electrical appliance that each port of switching device connects.Such conversion all drops in the protection range of the present utility model.

Claims (10)

1. gas insulation opening and closing arrangement, the current mutual-inductance apparatus (1) and the switching device (2) that comprise mutual electrical connection, current mutual-inductance apparatus (1) comprises current mutual-inductance apparatus container (11) and is located at current transformer (12) in the current mutual-inductance apparatus container (11), switching device (2) comprises switching device container (21) and is located at isolating switch (20) in this switching device container (21), it is characterized in that, this gas insulation opening and closing arrangement also comprises inspection earthing switch (3), this current mutual-inductance apparatus container (11) comprises current mutual-inductance apparatus vessel (13) and is located at this current mutual-inductance apparatus vessel (13) below, coupled logical additive vessel (14), described inspection earthing switch (3) is located in the described additive vessel (14).
2. gas insulation opening and closing arrangement according to claim 1 is characterized in that, described current mutual-inductance apparatus vessel (13) and additive vessel (14) are cylindrical vessel, and mutually vertical setting of axis.
3. gas insulation opening and closing arrangement according to claim 1 and 2, it is characterized in that, described current mutual-inductance apparatus vessel (13) and the adjacent position of additive vessel (14) are provided with the notch (17) that these two containers are communicated, and the volume of this additive vessel (14) is as the criterion be able to hold inspection earthing switch (3).
4. gas insulation opening and closing arrangement according to claim 3, it is characterized in that, also be provided with main circuit conductor (15) in the described current mutual-inductance apparatus vessel (13), this current transformer (12) is for detection of the electric current of this main circuit conductor (15), this main circuit conductor (15) is upper is equipped with branch conductors (16) towards additive vessel (14) direction, and this inspection earthing switch (3) is switched on or switched off by this branch conductors (16) and this main circuit conductor (15) through this notch (17).
5. gas insulation opening and closing arrangement according to claim 4, it is characterized in that, this branch conductors (16) free end is connected with contact shoe assembly (18), inspection earthing switch (3) comprising: lower contact shoe assembly (31), moving contact moving up and down (32), earthy terminal conductor (33), operating mechanism (34), lower contact shoe assembly (31) is provided with through hole, and this time contact shoe assembly (31) is electrically connected with earthy terminal conductor (33), and described operating mechanism (34) moves up or down with respect to lower contact shoe assembly (31) and contacts with upper contact shoe assembly (18) or disconnect along through hole by control moving contact (32).
6. gas insulation opening and closing arrangement according to claim 5, it is characterized in that, described inspection earthing switch (3) also comprises and being arranged on the described additive vessel (14), the mounting panel (341) that is used for fixing lower contact shoe assembly (31), described operating mechanism (34) comprising: driving shaft (36), connecting lever (37), moving contact drive plate (38), guide rod (39), wherein, these connecting lever (37) one ends are connected with driving shaft (36), the other end is connected with moving contact drive plate (38), moving contact drive plate (38) is connected with moving contact (32), drive shaft connecting lever (37) rotates, connecting lever drives moving contact drive plate (38) and moves up and down, the moving contact drive plate drives moving contact (32) generation and moves up and down, and moving contact drive plate (38) leads by the guide rod (39) that is fixed on the mounting panel (341).
7. gas insulation opening and closing arrangement according to claim 6 is characterized in that, is provided with insulating bushing (30) in the bottom of described additive vessel (14), and this earthy terminal conductor (33) arranges in the mode that runs through this insulating bushing (30).
8. gas insulation opening and closing arrangement according to claim 5, it is characterized in that, this main circuit conductor (15) is three-phase, this branch conductors (16) also is three-phase, and vertically arrange point-blank with above-below direction, this time contact shoe assembly (31) is three with moving contact (32), and this time contact shoe assembly (31) is arranged point-blank accordingly with this branch conductors (16).
9. gas insulation opening and closing arrangement according to claim 1 and 2 is characterized in that, also is provided with high speed grounding switch (6) in this switching device container (21).
10. gas insulation opening and closing arrangement according to claim 1 and 2 is characterized in that, this switching device (2) comprises the connectivity port (25) of being located at switching device container (21) middle part, and this connectivity port (25) are used for connecting porcelain bushings (52).
CN 201220391218 2012-08-08 2012-08-08 Gas insulation open and close apparatus Expired - Fee Related CN202696041U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220391218 CN202696041U (en) 2012-08-08 2012-08-08 Gas insulation open and close apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220391218 CN202696041U (en) 2012-08-08 2012-08-08 Gas insulation open and close apparatus

Publications (1)

Publication Number Publication Date
CN202696041U true CN202696041U (en) 2013-01-23

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Application Number Title Priority Date Filing Date
CN 201220391218 Expired - Fee Related CN202696041U (en) 2012-08-08 2012-08-08 Gas insulation open and close apparatus

Country Status (1)

Country Link
CN (1) CN202696041U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105308811A (en) * 2013-06-18 2016-02-03 西门子公司 Gas-insulated medium-voltage switchgear assembly

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105308811A (en) * 2013-06-18 2016-02-03 西门子公司 Gas-insulated medium-voltage switchgear assembly
US9742162B2 (en) 2013-06-18 2017-08-22 Siemens Aktiengesellschaft Gas-insulated medium-voltage switchgear assembly

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130123

Termination date: 20170808

CF01 Termination of patent right due to non-payment of annual fee