CN201956188U - Three-phase elbow socket type voltage transformer - Google Patents
Three-phase elbow socket type voltage transformer Download PDFInfo
- Publication number
- CN201956188U CN201956188U CN201020690010XU CN201020690010U CN201956188U CN 201956188 U CN201956188 U CN 201956188U CN 201020690010X U CN201020690010X U CN 201020690010XU CN 201020690010 U CN201020690010 U CN 201020690010U CN 201956188 U CN201956188 U CN 201956188U
- Authority
- CN
- China
- Prior art keywords
- voltage transformer
- phase
- cable
- winding
- transformer
- 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
Links
Images
Landscapes
- Patch Boards (AREA)
Abstract
The utility model relates to a three-phase elbow socket type voltage transformer. The transformer has an integrated structure formed by pouring an iron core, a primary winding, a secondary winding, primary cable sockets and a secondary junction box by adopting epoxy resin, and the integrated structure is wholly arranged on a base. The three primary cable sockets with the same structure form a primary three-phase wiring terminal. The three-phase elbow socket type voltage transformer effectively reduces a space for arranging a switch cabinet, and is convenient to splice and small in volume; a handle with a special design shortens arrangement and disassembly time, and realizes flexible arrangement; and the transformer has the characteristics of insulation stability, live touchability, full insulation, complete sealing, avoidance of maintenance and the like.
Description
Technical field
The utility model relates to electric power system high-pressure measurement mechanism and relay protection device, specifically a kind of three-phase elbow headstock formula voltage transformer.
Background technology
In the outdoor ring main unit of electric power system, voltage transformer is as the equipment of measuring voltage, electric energy.Along with electric modernization development, ring main unit becomes departments such as urban industry garden, residential quarter, commercial center, industrial and mining enterprises day by day as ring network power supply unit and terminal equipment, is the best equipment of power distribution, control and electic protection; Measure or electic protection in order to realize three-phase voltage; normally adopt two or three single-phase potential transformers to assemble; have storage as install cumbersome, can not chargedly touch, problems such as wiring complexity, insulating space anxiety, therefore the outdoor ring main unit that forms a complete production network exist volume bigger, need periodic maintenance and insulate defective such as unreliable.
So improve the designing and manufacturing level of switch cubicle for integral body, realize the functional characteristics that open air property, all insulation, volume are little, flexible for installation, wiring is flexible, non-maintaining of looped network cabinet equipment, need development and design to go out the supporting three-phase elbow headstock formula voltage transformer of a kind of and outdoor ring main unit especially.
The utility model content
Cumbersome at the installation that outdoor ring main unit in the prior art exists, volume is bigger, need weak points such as periodic maintenance, the technical problems to be solved in the utility model provides that a kind of volume is little, flexible for installation, insulation is stablized, can chargedly touch, hermetically sealed, non-maintaining three-phase elbow headstock formula voltage transformer
For solving the problems of the technologies described above, the technical solution adopted in the utility model is:
The utility model three-phase elbow headstock formula voltage transformer, for adopt the integral structure of poured with epoxy resin by iron core, winding, secondary winding, cable socket, a secondary connection box, integral installation is on a base, and three identical cable sockets of structure constitute three-phase terminal.
Three cable sockets are positioned at the integral structure upper side, even equidistant horizontal arrangement.
In the integral structure, one time the winding outer envelope has the low pressure gauze screen.
On the described base, be positioned at the integral structure both sides and be respectively equipped with handle.
Described secondary connection box is positioned at middle part, integral structure side, and its secondary goes out line position and has the water-proof cable joint.
The utlity model has following beneficial effect and advantage:
1. volume is little, flexible for installation: three-phase coil of the present utility model seals admittedly and is integral structure, and one time connected mode adopts cable plug and cable socket connected mode, the installing space of the switch cubicle that effectively reduces, and it is convenient to peg graft, and volume is little; The handle of particular design has made things convenient for the installing/dismounting time, realizes installing flexibly.
2. insulation is stablized, can chargedly be touched: it is insulating material that the utility model adopts epoxy resin, insulation is reliable, high-tension coil external Design of product has the low pressure gauze screen, can effectively high voltage electric field be shielded in the utility model inside, during normal charging operation, charged touch function can be realized in the product outside.
3. all insulation, hermetically sealed, non-maintaining: the utility model once adopts the cable plug mode that is tightly connected, secondary cable adopts the outer fixing seal approach of formula cable of compeling, guaranteed that effectively instrument transformer seals in the running of condensation, moisture reliably, product is non-maintaining.
Description of drawings
Fig. 1 is the utility model external structure front view;
Fig. 2 is the utility model external structure end view;
Fig. 3 is the utility model internal structure and fuse cable end schematic diagram.
Wherein, 1 is unshakable in one's determination; 2 is a winding; 3 is secondary winding; 4 is a cable socket; 5 is the secondary connection box; 6 are hand-held handle; 7 is base; 8 is the low pressure gauze screen; 9 is the secondary connection lid plate; 10 is the outer fixedly head of formula cable of compeling; 11 is elbow type cable end; 12 is a high-tension fuse; 13 is the metal deck.
Embodiment
The utility model adopts following structure: shown in Fig. 1～3,
Secondary winding 3 and winding 2 are concentric to be sleeved on 1 post unshakable in one's determination after on the insulation framework, form two voltage device bodies through insulation and buffering wrapping back, two voltage device status are not fixed in the casting mold with fixed support, and then carry out relevant being electrically connected of three-phase terminal, adjust the insulation distance of periphery, adopt the epoxide resin vacuum cast cured explosive to form the integral type full-closed structure, last integral installation is on the base 7 that has two handles 6, become three-phase terminal thereupon and be the form of an identical cable socket 4 of three structures, can conveniently realize sealing to peg graft realizing electric the connection with the cable plug of high-tension cable; The boring cylinder of a cable socket 4 is the spaces as a high-tension fuse 12; Cable socket 4 frustum of a cone root periphery have the metal deck 13 of band circular hole, and effect is the fixture after being used for high potential cable termination and a cable socket and being seated; One time cable socket 4 is positioned at the monolithic construction upper side, is even equidistant horizontal arrangement, the layout designs of convenience and high potential cable termination and high-tension cable; The utility model integral structure inside, winding 2 outer envelope are having low pressure gauze screen 8, can be effectively with the high voltage electric field shielding in the utility model inside, make the utility model normally realize charged touch function during charging operation; By bolt two hand-held handles 6 are installed on the base 7, present embodiment is the square shape shape of lower openings, after the assembling of Convenient switch cabinet is carried flexibly, installs and is comprised the time during on-the-spot utilization to the utility model replacing, easy accessibility; Secondary connection box 5 is positioned at the monolithic construction centre position, and secondary connection lid plate 9 adopts stainless steel material to make, and behind the fitted seal rubber cushion, guarantees secondary connection box 5 positiver sealings, and has corrosion-resistant function; Secondary goes out line position and has water-proof cable joint 10, guarantees that after the secondary cable wiring finishes secondary cable is tightened by positiver sealing.
During use, the voltage transformer installation procedure mainly is divided into three key steps, the first step: utilize base 7 the design attitude of instrument transformer integral installation at ring main unit; In second step, No. one time high-tension fuse 12 stiff ends insert elbow type cable end 11, insert then in socket 4 of instrument transformer, utilize cable fixture and metal deck 13 cable plug to be positioned fixing after the reliable contact; The 3rd step: carry out the secondary connection of voltage transformer, secondary cable seals fastening by fixing 10 on outer urgent formula cable, utilize secondary connection lid plate 9 and seal gasket that the secondary terminal is sealed then; Convenient, flexible the finishing of ring main unit dedicated potential transformer installment work.
The HV cable accessories of elbow type cable plug for adopting silicon rubber to make is widely used in electric equipments such as American case change, ring main unit, cable branch box.
The utility model three-phase elbow headstock formula voltage transformer is a kind of new product that designs according to national standard and outdoor ring main unit specification requirement fully; employing rolls iron core; utilize the electromagnetic conversion principle; make secondary voltage can reflect the situation of change of primary voltage exactly, use as voltage measurement and relaying protection.
Adopt the epoxide resin vacuum cast to form, product has that volume is little, flexible for installation, insulation is stablized, can chargedly be touched, hermetically sealed, non-maintaining characteristics, realized outdoor ring main unit all insulation, hermetically sealed, major function such as volume is little, compact conformation, flexible for installation, non-maintaining, handling safety, made electric power system ring network power supply technical quality level stride forward a bigger step.
Claims (5)
1. three-phase elbow headstock formula voltage transformer, for adopt the integral structure of poured with epoxy resin by iron core (1), a winding (2), secondary winding (3), a cable socket (4), secondary connection box (5), integral installation is characterized in that on a base (7): three identical cable sockets (4) of structure constitute three-phase terminal.
2. by the described three-phase elbow of claim 1 headstock formula voltage transformer, it is characterized in that: three cable sockets (4) are positioned at the integral structure upper side, even equidistant horizontal arrangement.
3. by the described three-phase elbow of claim 1 headstock formula voltage transformer, it is characterized in that: in the integral structure, a winding (2) outer envelope has low pressure gauze screen (8).
4. by the described three-phase elbow of claim 1 headstock formula voltage transformer, it is characterized in that: on the described base (7), be positioned at the integral structure both sides and be respectively equipped with handle (6).
5. by the described three-phase elbow of claim 1 headstock formula voltage transformer, it is characterized in that: described secondary connection box (5) is positioned at middle part, integral structure side, and its secondary goes out line position and has water-proof cable joint (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020690010XU CN201956188U (en) | 2010-12-30 | 2010-12-30 | Three-phase elbow socket type voltage transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020690010XU CN201956188U (en) | 2010-12-30 | 2010-12-30 | Three-phase elbow socket type voltage transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201956188U true CN201956188U (en) | 2011-08-31 |
Family
ID=44500292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020690010XU Expired - Fee Related CN201956188U (en) | 2010-12-30 | 2010-12-30 | Three-phase elbow socket type voltage transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201956188U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109308968A (en) * | 2017-07-27 | 2019-02-05 | 发那科株式会社 | Reactor |
-
2010
- 2010-12-30 CN CN201020690010XU patent/CN201956188U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109308968A (en) * | 2017-07-27 | 2019-02-05 | 发那科株式会社 | Reactor |
| US10438733B2 (en) | 2017-07-27 | 2019-10-08 | Fanuc Corporation | Reactor having function of preventing electrical shock |
| CN109308968B (en) * | 2017-07-27 | 2019-11-19 | 发那科株式会社 | Reactor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203673953U (en) | Outdoor opening and closing type current transformer | |
| CN207977696U (en) | A kind of exchange wall bushing of Mixed gas insulation shape metallic leak-proof structure | |
| CN201036152Y (en) | Voltage mutual inductor for looped network cabinet | |
| CN204558232U (en) | Current transformer | |
| CN201956188U (en) | Three-phase elbow socket type voltage transformer | |
| CN202434328U (en) | Shell structure of current transformer arranged in switch cabinet | |
| CN203910507U (en) | Transformer with waterproof shell | |
| CN201489992U (en) | Three-phase cable fuse voltage transformer | |
| CN101308725B (en) | Dry-type voltage inductor for metering cart user | |
| CN207800347U (en) | Distribution automation three-phase zero sequence integral type anti-resonance potential transformer | |
| CN203551621U (en) | High-voltage dry-type metering box with three-phase four-wire system | |
| CN201536054U (en) | Indoor open/close type current transformer for electric locomotive | |
| CN203054054U (en) | High voltage precise direct current transformer | |
| CN109300654A (en) | A kind of 118KV energy supply transformer | |
| CN103647224B (en) | A kind of full optical current mutual inductor device connecting Three-phase common-box type combined electric appliance | |
| CN208873577U (en) | A kind of 118kV energy supply transformer | |
| CN203552921U (en) | Voltage transformer provided with plum blossom contact device and used for wheelbarrow | |
| CN103943343B (en) | Current transformer for ring main unit | |
| CN202583293U (en) | Three-phase split box type all-fiber current transformer for gas insulated switchgear (GIS) | |
| CN2929927Y (en) | Integrated outdoor dry type full closed three phase current mutual inductor of transformer | |
| CN206546757U (en) | A kind of waterproof Open Type Electric Current Mutual Inductor | |
| CN204290149U (en) | A kind of high pressure gas insulation metal sealing switch equipment | |
| CN205246737U (en) | Area shielding and with touch arm integrated electron mutual -inductor | |
| CN204732282U (en) | Three-phase integrated current transformer | |
| CN203521145U (en) | Current transformer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20110831 Termination date: 20191230 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |