CN202905405U - Industrial frequency transformer for electronic watt-hour meter - Google Patents
Industrial frequency transformer for electronic watt-hour meter Download PDFInfo
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- CN202905405U CN202905405U CN 201220558058 CN201220558058U CN202905405U CN 202905405 U CN202905405 U CN 202905405U CN 201220558058 CN201220558058 CN 201220558058 CN 201220558058 U CN201220558058 U CN 201220558058U CN 202905405 U CN202905405 U CN 202905405U
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- shell
- transformer
- epoxy resin
- transformer coiling
- shielding cover
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Abstract
The utility model discloses an industrial frequency transformer for an electronic watt-hour meter. The industrial frequency transformer for the electronic watt-hour meter comprises a shell and a transformer coiling framework. The transformer coiling framework is provided with a primary coil and a secondary coil, wherein the primary coil is connected with a first leading-out terminal of the transformer coiling framework, and the secondary coil is connected with a second leading-out terminal of the transformer coiling framework. A magnetic shielding cover is arranged in the shell and of a U-shape. A plurality of silicon steel sheets are inserted into solenoids of the primary coil and the secondary coil, a first epoxy resin layer is filled between the magnetic shielding cover and the inner wall of the shell, a second epoxy resin layer is filled between the magnetic shielding cover and the silicon steel sheets, a third epoxy resin layer is packaged on the upper portion of the shell, both the first leading-out terminal and the second leading-out terminal penetrate out of the third epoxy resin layer on the upper portion of the shell, and isolating ribs are arranged on the transformer coiling framework. The industrial frequency transformer for the electronic watt-hour meter has magnetic disturbance resisting ability and ensures that the electronic watt-hour meter can meter accurately under the influence of interference level signals of high-frequency and low-frequency clutters and constant magnetic fields.
Description
Technical field
The utility model relates to a kind of Industrial Frequency Transformer, particularly relates to a kind of electronic electric energy meter Industrial Frequency Transformer.
Background technology
Growing along with new and high technology, can the industrial pollution of accurate measurement bringing for Intelligent electric expenses of surfing in Internet control system kilowatt-hour meter also more and more serious.These pollute sources mainly from leakage field of industrial equipment (such as electric welding machine, motor, frequency converter etc.) and mechanical changing-over transient process, thunder and lightning, corona, automotive ignition, transmitting base station and ammeter self Industrial Frequency Transformer etc.Although the interference level signal of these high and low frequency clutters is on the not impact of general purpose electromechanical equipment, the equipment that some measuring accuracies are had relatively high expectations still can cause some impacts or damage.While is along with the sustainable growth of national economy, the progressively raising of living standards of the people, society's power consumption increases year by year, it is harmonious that social economic order also is tending towards, ammeter is being played the part of indispensable key player as a kind of special commodity in socioeconomic spring tide, the legal electricity consumption of standard is observed by most consumer.But ordered about by interests, stealing electricity phenomenon is also day by day serious, and the scientific and technological content of stealing is more and more higher, and electricity filching means is more and more hidden, finds in the stealing case of investigating and prosecuting in recent years that many illegal users disturb electric energy meter to reach the stealing purpose by strong magnet.Be the fair, just and open principle of assurance electric energy metrical, accurate-metering, interference level signal and the stationary magnetic field of research and inhibition high and low frequency clutter are imperative to the interference of electric energy meter metering precision performance.Yet the basic reason that causes electric energy meter measuring accuracy error is interference level signal and the stationary magnetic field of high and low frequency clutter, electric energy meter inside is used the impact of Industrial Frequency Transformer.
The utility model content
The purpose of this utility model is to overcome above-mentioned deficiency of the prior art, and a kind of electronic electric energy meter Industrial Frequency Transformer is provided.This electronic electric energy meter has diamagnetic interference performance with Industrial Frequency Transformer, and it is simple in structure, easy to use, production cost is low, is convenient to promote the use of.
For achieving the above object, the technical solution adopted in the utility model is: the electronic electric energy meter Industrial Frequency Transformer, it is characterized in that: comprise shell and setting transformer coiling skeleton in the enclosure, be wound with primary coil and secondary coil on the described transformer coiling skeleton, described primary coil is connected with the exit one of transformer coiling skeleton, described secondary coil is connected with the exit two of transformer coiling skeleton, be provided with the magnetic shielding cover of being made by high-permeability material in the described shell, described magnetic shielding cover is " U " type, the bottom of described magnetic shielding cover is connected on the upper surface of outer casing bottom, insert a plurality of rectangle silicon steel sheets in the line bag of described primary coil and secondary coil, a plurality of described silicon steel sheets are EI type silicon steel sheet, a plurality of described silicon steel sheets all are positioned at the middle part of transformer coiling skeleton, be filled with epoxy resin layer one between described magnetic shielding cover and the outer casing inner wall, be filled with epoxy resin layer two between described magnetic shielding cover and the silicon steel sheet, the top of described shell is packaged with epoxy resin layer three, described exit one and exit two all pass the epoxy resin three of shell upper, are provided with the isolation bar that is frame structure on the described transformer coiling skeleton.
Above-mentioned electronic electric energy meter Industrial Frequency Transformer is characterized in that: described isolation bar is one-body molded to be arranged on the transformer coiling skeleton.
Above-mentioned electronic electric energy meter Industrial Frequency Transformer is characterized in that: described primary coil welds mutually with the exit one of transformer coiling skeleton, the exit two-phase welding of described secondary coil and transformer coiling skeleton.
The utility model compared with prior art has the following advantages:
1, of the present utility model simple in structure, rationally novel in design, be easy to install.
2, the utility model is by arranging the magnetic shielding cover of being made by high-permeability material, thereby guarantees that electronic electric energy meter also can accurate-metering under the impact of the interference level signal of high and low frequency clutter and stationary magnetic field.
3, realization cost of the present utility model is low, and result of use is good, is convenient to promote the use of.
In sum, the utility model is simple in structure, and novel in design rationally functional reliability is high, and long service life has diamagnetic interference performance, guarantees that electronic electric energy meter also can accurate-metering under the impact of the interference level signal of high and low frequency clutter and stationary magnetic field.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Description of reference numerals:
1-shell; 2-epoxy resin layer one; 3-magnetic shielding cover;
4-secondary coil; 5-epoxy resin layer three; 6-isolation bar;
7-transformer coiling skeleton; 7-1-exit one; 7-2-exit two;
8-primary coil; 9-epoxy resin layer two; 10-silicon steel sheet.
Embodiment
A kind of electronic electric energy meter Industrial Frequency Transformer as shown in Figure 1, comprise shell 1 and the transformer coiling skeleton 7 that is arranged in the shell 1, be wound with primary coil 8 and secondary coil 4 on the described transformer coiling skeleton 7, described primary coil 8 is connected with exit one 7-1 of transformer coiling skeleton 7, described secondary coil 4 is connected with exit two 7-2 of transformer coiling skeleton 7, be provided with the magnetic shielding cover 3 of being made by high-permeability material in the described shell 1, described magnetic shielding cover 3 is " U " type, the bottom of described magnetic shielding cover 3 is connected on the upper surface of shell 1 bottom, insert a plurality of rectangle silicon steel sheets 10 in the line bag of described primary coil 8 and secondary coil 4, a plurality of described silicon steel sheets 10 are E I type silicon steel sheet, a plurality of described silicon steel sheets 10 all are positioned at the middle part of transformer coiling skeleton 7, be filled with epoxy resin layer 1 between described magnetic shielding cover 3 and shell 1 inwall, be filled with epoxy resin layer 29 between described magnetic shielding cover 3 and the silicon steel sheet 10, the top of described shell 1 is packaged with epoxy resin layer 35, described exit one 7-1 and exit two 7-2 all pass the epoxy resin 35 on shell 1 top, be provided with isolation bar 6 on the described transformer coiling skeleton 7, described isolation bar 6 is frame structure.
In the present embodiment, described isolation bar 3 one-body molded being arranged on the transformer coiling skeleton 7.Described primary coil 8 welds mutually with exit one 7-1 of transformer coiling skeleton 7, and described secondary coil 4 welds mutually with exit two 7-2 of transformer coiling skeleton 7.
This electronic electric energy meter Industrial Frequency Transformer is by disturbing electronic electric energy meter to test to strong magnet, analyzed the impact of stationary magnetic field on electronic electric energy meter, and on this basis electronic electric energy meter has been proposed corrective measure with Industrial Frequency Transformer, thereby guarantee that electronic electric energy meter also can accurate-metering under the impact of the interference level signal of high and low frequency clutter and stationary magnetic field.
The above; it only is preferred embodiment of the present utility model; be not that the utility model is imposed any restrictions; every according to the utility model technical spirit to any simple modification, change and equivalent structure transformation that above embodiment does, all still belong in the protection range of technical solutions of the utility model.
Claims (3)
1. electronic electric energy meter Industrial Frequency Transformer, it is characterized in that: comprise shell (1) and be arranged on the interior transformer coiling skeleton (7) of shell (1), be wound with primary coil (8) and secondary coil (4) on the described transformer coiling skeleton (7), described primary coil (8) is connected with the exit one (7-1) of transformer coiling skeleton (7), described secondary coil (4) is connected with the exit two (7-2) of transformer coiling skeleton (7), be provided with the magnetic shielding cover (3) of being made by high-permeability material in the described shell (1), described magnetic shielding cover (3) is " U " type, the bottom of described magnetic shielding cover (3) is connected on the upper surface of shell (1) bottom, insert a plurality of rectangle silicon steel sheets (10) in the line bag of described primary coil (8) and secondary coil (4), a plurality of described silicon steel sheets (10) are E I type silicon steel sheet, a plurality of described silicon steel sheets (10) all are positioned at the middle part of transformer coiling skeleton (7), be filled with epoxy resin layer one (2) between described magnetic shielding cover (3) and shell (1) inwall, be filled with epoxy resin layer two (9) between described magnetic shielding cover (3) and the silicon steel sheet (10), the top of described shell (1) is packaged with epoxy resin layer three (5), described exit one (7-1) and exit two (7-2) all pass the epoxy resin three (5) on shell (1) top, are provided with the isolation bar (6) that is frame structure on the described transformer coiling skeleton (7).
2. electronic electric energy meter Industrial Frequency Transformer according to claim 1, it is characterized in that: described isolation bar (3) is one-body molded to be arranged on the transformer coiling skeleton (7).
3. electronic electric energy meter Industrial Frequency Transformer according to claim 1, it is characterized in that: described primary coil (8) welds mutually with the exit one (7-1) of transformer coiling skeleton (7), and described secondary coil (4) welds mutually with the exit two (7-2) of transformer coiling skeleton (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220558058 CN202905405U (en) | 2012-10-27 | 2012-10-27 | Industrial frequency transformer for electronic watt-hour meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220558058 CN202905405U (en) | 2012-10-27 | 2012-10-27 | Industrial frequency transformer for electronic watt-hour meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202905405U true CN202905405U (en) | 2013-04-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220558058 Expired - Fee Related CN202905405U (en) | 2012-10-27 | 2012-10-27 | Industrial frequency transformer for electronic watt-hour meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202905405U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106898464A (en) * | 2016-12-28 | 2017-06-27 | 芜湖顺景自动化设备有限公司 | One kind is easily assembled type plus Antimagnetic hood transformer |
| CN108447653A (en) * | 2018-03-14 | 2018-08-24 | 珠海市新化磁性材料有限公司 | A kind of inductive transformer and preparation method thereof |
| CN109166712A (en) * | 2018-08-03 | 2019-01-08 | 湖州同立光电材料有限公司 | A kind of miniaturization LLC loop transformers |
-
2012
- 2012-10-27 CN CN 201220558058 patent/CN202905405U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106898464A (en) * | 2016-12-28 | 2017-06-27 | 芜湖顺景自动化设备有限公司 | One kind is easily assembled type plus Antimagnetic hood transformer |
| CN108447653A (en) * | 2018-03-14 | 2018-08-24 | 珠海市新化磁性材料有限公司 | A kind of inductive transformer and preparation method thereof |
| CN109166712A (en) * | 2018-08-03 | 2019-01-08 | 湖州同立光电材料有限公司 | A kind of miniaturization LLC loop transformers |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130424 Termination date: 20131027 |