CN203673953U - Outdoor opening and closing type current transformer - Google Patents
Outdoor opening and closing type current transformer Download PDFInfo
- Publication number
- CN203673953U CN203673953U CN201320872092.3U CN201320872092U CN203673953U CN 203673953 U CN203673953 U CN 203673953U CN 201320872092 U CN201320872092 U CN 201320872092U CN 203673953 U CN203673953 U CN 203673953U
- Authority
- CN
- China
- Prior art keywords
- current transformer
- type current
- close type
- lower house
- outdoor open
- 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 - Lifetime
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 40
- 238000009413 insulation Methods 0.000 claims abstract description 30
- 238000004804 winding Methods 0.000 claims abstract description 24
- 239000010935 stainless steel Substances 0.000 claims abstract description 17
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 17
- 239000003822 epoxy resin Substances 0.000 claims abstract description 11
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- 208000005189 Embolism Diseases 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 239000010949 copper Substances 0.000 claims description 7
- RIRXDDRGHVUXNJ-UHFFFAOYSA-N [Cu].[P] Chemical compound [Cu].[P] RIRXDDRGHVUXNJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 229910000976 Electrical steel Inorganic materials 0.000 claims description 3
- 241000446313 Lamella Species 0.000 claims description 3
- 229910000808 amorphous metal alloy Inorganic materials 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 8
- 238000000465 moulding Methods 0.000 description 5
- 230000003014 reinforcing effect Effects 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000009529 body temperature measurement Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
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- Transformers For Measuring Instruments (AREA)
Abstract
The utility model discloses an outdoor opening and closing type current transformer which comprises a base, iron cores, a secondary winding and an insulating outer shell. The insulating outer shell is arranged on the base. The iron cores and the secondary winding are arranged in the insulating outer shell. The two U-shaped iron cores are oppositely arranged and of a structure with one at the upper portion and the other at the lower portion. The secondary winding is arranged on the two U-shaped iron cores. According to the outdoor opening and closing type current transformer, epoxy resin pouring insulation is adopted, triple security configuration of stainless steel hinge pins, hook-and-loop fasteners and fastening screws is adopted, and the insulating outer shell is screwed down so that it can be ensured that the contact face of the current transformer is tightly attached. Compared with an ordinary cable straight-through current transformer adopted at present, the current transformer is small in size, compact in structure, rapid to install, convenient to detach, resistant to electricity stealing, capable of being operated while powered on, and capable of being widely applied to various metering projects of an electric system.
Description
Technical field
The utility model relates to electric energy metrical and the current measuring device of electric power system low-voltage platform area, is specifically related to a kind of outdoor open-close type current transformer.
Background technology
Electric power system low-temperature measurement generally adopts cable straight-through current transformer to be used as electric energy metrical and current measurement is used, the i.e. insulated cable of a line employing, supporting current transformer is that form of bus bars is set in primary insulation cable outside, realizes current measurement and uses.Can not folding because product structure is bus-type, when installing and overhaul, changeing, must remove, and construction and installation at the scene, when dismounting are more difficult, loaded down with trivial details and stealing hidden danger easily occurs, simplify and anti-electricity-theftly wait requirement, further perfect improvement in the version of product in line with installing.
The Chinese utility model patent that is CN201044204Y as publication number discloses a kind of current transformer, it comprises moulds shell, moulding shell middle part has window and is built-in with iron core, secondary winding, the binding post of secondary winding is on housing top, binding post is provided with dust cover, the both sides of moulding shell punching window are provided with mounting-fixing base, and mounting-fixing base is provided with housing screw, and the lower bottom part of moulding shell is provided with location and installation groove; The mounting groove of this generatrix type plastic shell formula current transformer is located at the surrounding of the lower bottom part of moulding shell, the lower bottom part of moulding shell is provided with location and installation groove, available sheet is arranged on switch casing or other occasion, or adopting housing screw to compress bus installs fixing, dust cover adopts transparent material, bar code and functional mark can stick in dust cover, can preserve for a long time bar code and functional mark.
Given this, need to design that a kind of volume is little, the Outdoor Current Transformer of compact conformation, quick for installation and convenient disassembly, can be widely used in the various metering engineerings of electric power system.
Utility model content
In order to solve the problems of the technologies described above, the utility model provides a kind of outdoor open-close type current transformer of folding two body structures, there is base, iron core, secondary winding and insulation crust, insulation crust is located on base, in insulation crust, be provided with iron core and secondary winding, two U-shaped iron cores are that up-down structure arranges in opposite directions, and secondary winding is located on these two U-shaped iron cores, so little, the compact conformation of current transformer volume of design.
To achieve these goals, the utility model adopts following technical scheme.
A kind of outdoor open-close type current transformer, has insulation crust and base, and insulation crust is arranged on base, is provided with that threading aperture juxtaposition is cored, secondary winding in insulation crust; Insulation crust is divided into upper shell and lower house, and upper shell, lower house synthesize an overall structure by stainless steel pin hinge and hasp.
Preferably, described iron core comprises upper and lower two U-shaped iron cores, and upper and lower two U-shaped iron cores are for arranging in opposite directions.
In above-mentioned arbitrary technical scheme, preferably, described secondary winding is arranged on upper and lower two U-shaped iron cores.
In above-mentioned arbitrary technical scheme, preferably, described upper and lower two U-shaped iron cores are made by silicon steel lamella and amorphous alloy layer.
In above-mentioned arbitrary technical scheme, preferably, in described secondary winding, there is secondary coil, between secondary coil, increase and have protection circuit, too high to prevent current transformer secondary voltage.
In above-mentioned arbitrary technical scheme, preferably, described secondary coil adopts poured with epoxy resin and is shaped to ring type structure together with iron core.
In above-mentioned arbitrary technical scheme, preferably, a side of described upper shell and a side of lower house adopt stainless steel pin hinge merging to be connected.
In above-mentioned arbitrary technical scheme, preferably, the opposite side of described upper shell and the opposite side of lower house adopt hasp to close stressed joint.
In above-mentioned arbitrary technical scheme, preferably, screws are reinforced in four of surrounding corner configurations after upper shell and lower house merging, and upper shell and lower house are fixedly connected as to an overall structure.
In above-mentioned arbitrary technical scheme, preferably, in described stainless steel pin hinge, insert metal bar, the housing protection when realizing insulation crust closed state.
In above-mentioned arbitrary technical scheme, preferably, described clasp, on upper shell, is pulled up and down hasp and can be realized separating or clamping of lower house and upper shell.
In above-mentioned arbitrary technical scheme, preferably, described upper shell and iron core junction are provided with phosphor-copper stretchable sheet.
In above-mentioned arbitrary technical scheme, preferably, on described lower house, be provided with copper sheet, broken line point screw, embolus.
In above-mentioned arbitrary technical scheme, preferably, described broken line point screw locks in lower house by copper sheet,
In above-mentioned arbitrary technical scheme, preferably, described embolus snaps in and ties down brokenly line point screw from lower house outside, can realize thief-proof.
In above-mentioned arbitrary technical scheme, preferably, described lower house adopts poured with epoxy resin, and covers cover plate to realize the sealing of whole lower house.
Outdoor open-close type current transformer of the present utility model has insulation crust and base, insulation crust is arranged on base, in insulation crust, be provided with that threading aperture juxtaposition is cored, secondary winding, insulation crust is divided into upper shell and lower house structure, and upper shell, lower house synthesize an overall structure by stainless steel pin hinge and hasp.Iron core is divided into upper and lower two U-shaped iron cores and arranges in opposite directions; secondary winding is located on these two U-shaped iron cores; in lower house, there is secondary winding coil, between secondary coil, increased protection circuit and prevented that current transformer secondary voltage is too high, and adopt poured with epoxy resin together with iron core.Between the upper-lower casing of open-close type current transformer, adopt stainless steel pin hinge form to connect, ensure opening/closing frequency; The surrounding corner, outer that merges the housing connecting is furnished with four reinforcing screws, and adopts hasp to fix, and the retrocession configuration of stainless steel pin hinge, hasp, reinforcing screw, tightens to ensure the laminating of current transformer contact-making surface closely by housing.In the time that installation is fixing, only need to opens current transformer and be buckled on tested wire rod, by Current Transformer Secondary side output line and power supply supply line access ammeter the corresponding interface, finally by the stubborn broken tested wire rod of broken line point screw in lower house.Threading aperture in the middle of open-close type current transformer can be by the accessory control in upper shell.
Outdoor open-close type current transformer of the present utility model is with respect to the cable straight-through current transformer of current common employing, and it adopts poured with epoxy resin insulation, and volume is little, compact conformation, quick for installation, convenient disassembly, anti-electricity-theft, can hot line job.Anti-electricity-theft outdoor open-close type current transformer of the present utility model, can be widely used in the various metering engineerings of electric power system.
Brief description of the drawings
Fig. 1 is the current transformer profile schematic diagram according to a preferred embodiment of outdoor open-close type current transformer of the present utility model;
Fig. 2 and Fig. 3 are according to the current transformer cut-away view of a preferred embodiment of outdoor open-close type current transformer of the present utility model.
Reference numeral:
1, iron core, 2, secondary winding, 3, secondary coil, 4, stainless steel pin hinge, 5, upper shell, 6, lower house, 7, hasp, 8, reinforce screw, 9, phosphor-copper stretchable sheet, 10, copper sheet, 11, broken line point screw, 12, embolus, 13, cover plate, 14, metal bar, 15, threading aperture.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is elaborated, below describe only conduct demonstration and explain, the utility model is not done to any pro forma restriction.
Outdoor open-close type current transformer as shown in Figure 1, insulation crust is arranged on base, in insulation crust, be provided with threading aperture 15, insulation crust is divided into upper shell 5 and lower house 6, and upper shell 5, lower house 6 synthesize an overall structure by stainless steel pin hinge 4 and hasp 7.
Further as shown in Figures 2 and 3; insulation crust is built-in with iron core and secondary winding; iron core 1 comprises upper and lower two U-shaped iron cores; upper and lower two U-shaped iron cores are for arranging in opposite directions; secondary winding 2 is arranged on upper and lower two U-shaped iron cores; upper and lower two U-shaped iron cores are made by silicon steel lamella and amorphous alloy layer; in secondary winding 2, there is secondary coil 3; between secondary coil 3, increase and have protection circuit too high to prevent current transformer secondary voltage, secondary coil 3 adopts poured with epoxy resin and is shaped to ring type structure together with iron core 1.One side of upper shell 5 adopts stainless steel pin hinge 4 merging to be connected with a side of lower house 6; The opposite side of the opposite side of upper shell 5 and lower house 6 adopts hasp 7 to close stressed joint; Screws 8 are reinforced in four of surrounding corner configurations after upper shell 5 and lower house 6 merging, and upper shell 5 and lower house 6 are fixedly connected as to an overall structure.To in stainless steel pin hinge 4, insert metal bar 15, the housing protection can realize insulation crust closed state time; Hasp 7 is installed on upper shell 5, pull up and down hasp 7 and can realize separating or clamping of lower house 6 and upper shell 5.Upper shell 5 is provided with phosphor-copper stretchable sheet 9 with iron core 1 junction, on lower house 6, be provided with copper sheet 10, broken line point screw 11, embolus 12, broken line point screw 11 locks in lower house 6 by copper sheet 10, and embolus 12 snaps in and tie down brokenly line point screw 11 from lower house 6 outsides, can realize thief-proof.Lower house 6 adopts poured with epoxy resin, and covers cover plate 13 to realize the sealing of whole lower house 6.
This outdoor open-close type current transformer is with respect to the cable straight-through current transformer of current common employing, it adopts poured with epoxy resin insulation, volume is little, compact conformation, quick for installation, convenient disassembly, anti-electricity-theft, can hot line job, can be widely used in the various metering engineerings of electric power system.
Outdoor open-close type current transformer has insulation crust and base, insulation crust is arranged on base, in insulation crust, be provided with that threading aperture juxtaposition is cored, secondary winding, insulation crust is divided into upper shell and lower house structure, and upper shell, lower house synthesize an overall structure by stainless steel pin hinge and hasp.Iron core is divided into upper and lower two U-shaped iron cores and arranges in opposite directions; secondary winding is located on these two U-shaped iron cores; in lower house, there is secondary winding coil, between secondary coil, increased protection circuit and prevented that current transformer secondary voltage is too high, and adopt poured with epoxy resin together with iron core.Between the upper-lower casing of open-close type current transformer, adopt stainless steel pin hinge form to connect, ensure opening/closing frequency; The surrounding corner, outer that merges the housing connecting is furnished with four reinforcing screws, and adopts hasp to fix, and the retrocession configuration of stainless steel pin hinge, hasp, reinforcing screw, tightens to ensure the laminating of current transformer contact-making surface closely by housing.In the time that installation is fixing, only need to opens current transformer and be buckled on tested wire rod, by Current Transformer Secondary side output line and power supply supply line access ammeter the corresponding interface, finally by the stubborn broken tested wire rod of broken line point screw in lower house.Threading aperture in the middle of open-close type current transformer can be by the accessory control in upper shell.
The above is only that preferred implementation of the present utility model is described; not that scope of the present utility model is limited; do not departing under the prerequisite of the utility model design spirit; various distortion and improvement that the common engineers and technicians in this area make the technical solution of the utility model, all should fall in the definite protection range of claims of the present utility model.
Claims (16)
1. an outdoor open-close type current transformer, there is insulation crust and base, insulation crust is arranged on base, in insulation crust, be provided with threading aperture (15) juxtaposition cored (1), secondary winding (2), it is characterized in that: described insulation crust is divided into upper shell (5) and lower house (6), described upper shell (5), lower house (6) synthesize an overall structure by stainless steel pin hinge (4) and hasp (7).
2. outdoor open-close type current transformer as claimed in claim 1, is characterized in that: described iron core (1) comprises upper and lower two U-shaped iron cores, and upper and lower two U-shaped iron cores are for arranging in opposite directions.
3. outdoor open-close type current transformer as claimed in claim 1, is characterized in that: described secondary winding (2) is arranged on upper and lower two U-shaped iron cores.
4. outdoor open-close type current transformer as claimed in claim 2, is characterized in that: described upper and lower two U-shaped iron cores are made by silicon steel lamella and amorphous alloy layer.
5. the outdoor open-close type current transformer as described in claim 1 or 3, is characterized in that: in described secondary winding (2), there is secondary coil (3), between secondary coil (3), increases and have protection circuit, and too high to prevent current transformer secondary voltage.
6. outdoor open-close type current transformer as claimed in claim 5, is characterized in that: described secondary coil (3) adopts poured with epoxy resin and is shaped to ring type structure together with iron core (1).
7. outdoor open-close type current transformer as claimed in claim 1, is characterized in that: a side of described upper shell (5) adopts stainless steel pin hinge (4) merging to be connected with a side of lower house (6).
8. outdoor open-close type current transformer as claimed in claim 1, is characterized in that: the opposite side of the opposite side of described upper shell (5) and lower house (6) adopts hasp (7) to close stressed joint.
9. outdoor open-close type current transformer as claimed in claim 1, it is characterized in that: screws (8) are reinforced in four of surrounding corner configurations after upper shell (5) and lower house (6) merging, and upper shell (5) and lower house (6) are fixedly connected as to an overall structure.
10. outdoor open-close type current transformer as claimed in claim 7, is characterized in that: insert metal bar (14) in described stainless steel pin hinge (4), the housing protection when realizing insulation crust closed state.
11. outdoor open-close type current transformers as claimed in claim 8, is characterized in that: described hasp (7) device is upper at upper shell (5), pull up and down hasp (7) and can realize separating or clamping of lower house (6) and upper shell (5).
12. outdoor open-close type current transformers as claimed in claim 1, is characterized in that: described upper shell (5) is provided with phosphor-copper stretchable sheet (9) with iron core (1) junction.
13. outdoor open-close type current transformers as claimed in claim 1, is characterized in that: on described lower house (6), be provided with copper sheet (10), broken line point screw (11), embolus (12).
14. outdoor open-close type current transformers as claimed in claim 13, is characterized in that: described broken line point screw (11) locks in lower house (6) by copper sheet (10).
15. outdoor open-close type current transformers as claimed in claim 13, is characterized in that: described embolus (12) snaps in and tie down brokenly line point screw (11) from lower house (6) outside.
16. outdoor open-close type current transformers as claimed in claim 1, is characterized in that: described lower house (6) adopts poured with epoxy resin, and covers cover plate (13) to realize the sealing of whole lower house (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320872092.3U CN203673953U (en) | 2013-12-27 | 2013-12-27 | Outdoor opening and closing type current transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320872092.3U CN203673953U (en) | 2013-12-27 | 2013-12-27 | Outdoor opening and closing type current transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203673953U true CN203673953U (en) | 2014-06-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320872092.3U Expired - Lifetime CN203673953U (en) | 2013-12-27 | 2013-12-27 | Outdoor opening and closing type current transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203673953U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106483354A (en) * | 2016-12-05 | 2017-03-08 | 西安沣源智能装备科技有限公司 | A kind of automatic power taking formula Flexible transformer and using method |
| CN106680569A (en) * | 2016-12-09 | 2017-05-17 | 国网北京市电力公司 | Current sensor |
| CN108896798A (en) * | 2018-07-09 | 2018-11-27 | 国网山东省电力公司莱芜供电公司 | A kind of electric energy metering device |
| CN108957094A (en) * | 2018-05-08 | 2018-12-07 | 湖南银河电气有限公司 | A kind of open-close type current sensor and its assemble method based on magnetic modulation |
| CN109387690A (en) * | 2018-12-06 | 2019-02-26 | 国网辽宁省电力有限公司鞍山供电公司 | A kind of portable high-pressure based on arc laminated core is wireless current detection means |
| CN110389255A (en) * | 2019-07-25 | 2019-10-29 | 国网江西省电力有限公司电力科学研究院 | A kind of method and device of on-line measurement Zinc-Oxide Arrester full working scope electric current |
| CN114121437A (en) * | 2021-11-03 | 2022-03-01 | 国网山东省电力公司临沂供电公司 | Open-type current transformer |
-
2013
- 2013-12-27 CN CN201320872092.3U patent/CN203673953U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106483354A (en) * | 2016-12-05 | 2017-03-08 | 西安沣源智能装备科技有限公司 | A kind of automatic power taking formula Flexible transformer and using method |
| CN106680569A (en) * | 2016-12-09 | 2017-05-17 | 国网北京市电力公司 | Current sensor |
| CN108957094A (en) * | 2018-05-08 | 2018-12-07 | 湖南银河电气有限公司 | A kind of open-close type current sensor and its assemble method based on magnetic modulation |
| CN108896798A (en) * | 2018-07-09 | 2018-11-27 | 国网山东省电力公司莱芜供电公司 | A kind of electric energy metering device |
| CN109387690A (en) * | 2018-12-06 | 2019-02-26 | 国网辽宁省电力有限公司鞍山供电公司 | A kind of portable high-pressure based on arc laminated core is wireless current detection means |
| CN109387690B (en) * | 2018-12-06 | 2024-02-06 | 国网辽宁省电力有限公司鞍山供电公司 | Portable high-voltage wireless current detection device based on arc laminated iron core |
| CN110389255A (en) * | 2019-07-25 | 2019-10-29 | 国网江西省电力有限公司电力科学研究院 | A kind of method and device of on-line measurement Zinc-Oxide Arrester full working scope electric current |
| CN114121437A (en) * | 2021-11-03 | 2022-03-01 | 国网山东省电力公司临沂供电公司 | Open-type current transformer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140625 |