CN201594103U - Sleeve-type high-voltage one-phase sampler - Google Patents
Sleeve-type high-voltage one-phase sampler Download PDFInfo
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- CN201594103U CN201594103U CN2010200145135U CN201020014513U CN201594103U CN 201594103 U CN201594103 U CN 201594103U CN 2010200145135 U CN2010200145135 U CN 2010200145135U CN 201020014513 U CN201020014513 U CN 201020014513U CN 201594103 U CN201594103 U CN 201594103U
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- silicon rubber
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Abstract
The utility model discloses an sleeve-type high-voltage one-phase sampler which comprises a silicon rubber dry-type composite sleeve (1), a high-voltage binding post (2), a current sensor (3) made of amorphous-state materials and with direct current sampling, a side binding post (7), and a transversely partitioned plate (4) in a chamber of the silicon rubber dry-type composite sleeve. The sampler is characterized in that a high-voltage direct sampling unit (5) and an insulation unit (6) are sequentially mounted at the upper middle part in the chamber of the silicon rubber dry-type composite sleeve (1); the high-voltage direct sampling unit (5) is connected with the bottom of the high-voltage binding post (2) through a lead; and a current sampling output signal line (9) of the insulation unit (6) is directly led out from the bottom of the silicon rubber dry-type composite sleeve (1). The sampler has the advantages of small volume, convenient installation and use, safety and high insulating property, can meet the precision requirement within the voltage measurement range from 1KV to 10 KV, is a grace measurement device in the true sense, and can be widely applied to current/voltage sampling of a high voltage line.
Description
Technical field
The utility model relates to a kind of improvement of high-tension line current-voltage sampling device, specifically a kind of single-phase sampling thief of bushing type high pressure that can directly be installed on the 10KV single phase power supply circuit.
Background technology
Along with electric system develops and national energy-saving and cost-reducing requirement towards high voltage, jumbo direction, analyze the electricity consumption accurate measurement by on-line monitoring, energy-saving and cost-reducing to greatest extent to improve the management of consumer, become important research project.Yet, accomplish the accurate measurement of high-tension electricity, accurate high pressure sample devices must be arranged.At present, for 10kV and the employed high pressure sample devices of following high voltage supply circuit thereof, its structure generally comprises conventional voltage transformer (VT) (PT) summation current transformer (CT), the deficiency of this structure is: because conventional voltage transformer (VT) (PT) summation current transformer (CT) volume is bigger, so also caused the equipment integral volume big, the equipment heaviness is used inconvenient; In addition, also be subjected to certain influence, and adopt conventional voltage transformer (VT) (PT) mode also can cause sampling to be subjected to the restriction of electric pressure in the overall precision grade.
Summary of the invention
The purpose of this utility model is to provide a kind of employing passive electronic, with high voltage, big current signal Direct Transform is the weak electric signal of safety, and overall package is in a sleeve pipe, make that it is simple in structure, volume is little, in light weight, easy for installation, integrated degree is higher, is specially adapted to 10kV and following high-tension line and the consumer single-phase sampling thief of bushing type high pressure with single-phase electricity monitoring, metering.
For reaching above purpose, the technical scheme that the utility model adopted is: the single-phase sampling thief of this bushing type high pressure, comprise silicon rubber dry type composite bushing, high tension terminal, the direct amorphous material current transformer of electric current, the side joint terminal, diaphragm plate constitutes in the chamber of silicon rubber dry type composite bushing, high tension terminal is installed in the top ends of silicon rubber dry type composite bushing, and insert upper end in the chamber of silicon rubber dry type composite bushing along the axis of silicon rubber dry type composite bushing, electric current Direct Sampling amorphous material current transformer is installed in the top in the silicon rubber dry type composite bushing chamber, and be enclosed within the bottom of high tension terminal, on the top sidewall of silicon rubber dry type composite bushing, be provided with the side joint terminal, it is characterized in that in silicon rubber dry type composite bushing chamber on the middle part install high pressure Direct Sampling unit and isolated location successively, high pressure Direct Sampling unit is connected by lead with isolated location, diaphragm plate is located between electric current Direct Sampling amorphous material current transformer and the high pressure Direct Sampling unit in the chamber, a side of diaphragm plate is provided with wire through-hole in the chamber, high pressure Direct Sampling unit is connected with the bottom of high tension terminal by lead, and the current sample output signal line of isolated location is directly exported from the bottom of silicon rubber dry type composite bushing; Isolated location is exported by the voltage sample weak signal that the isolation of linear optical coupling will be changed after isolating in the bottom of high pressure Direct Sampling unit.
The utility model is also implemented by following measure: described high pressure Direct Sampling unit, comprise that resistive passive electric components and precise electronic formula voltage/current become mutual device and constitute, resistive passive electric components one termination high pressure phase line, another termination precise electronic formula voltage/current becomes mutual device, precise electronic formula voltage/current becomes mutual device and connects the current sample output signal line, the signal behind the output transform.
Described isolated location, comprise linear optocoupler, the high pressure Direct Sampling signal of high pressure Direct Sampling unit output is imported linear optocoupler by lead, another termination current sample output signal line of linear optocoupler is by the voltage sampling signal after the current sample output signal line output isolation
The direct amorphous material current transformer of described electric current comprises coil, formation unshakable in one's determination, and iron core is made for iron cobalt amorphous material, and its linearity is high, the big current signal of circuit can be converted to the weak current signal of mA level.
Be filled with insulating resin in the chamber of described silicon rubber dry type composite bushing, as open in the chamber of silicon rubber dry type composite bushing, complete machine is damaged, therefore have anti-theft feature.
The beneficial effects of the utility model are: compare with the high-tension line current-voltage sampling device of present use: 1, owing to both adopted volume less current sampling unit and voltage Direct Sampling unit and electric photoelectric technology of isolating fully, so significantly reduced equipment volume, and all be placed in the chamber of silicon rubber dry type composite bushing, make overall volume only be equivalent to the size of a silicon rubber dry type composite bushing, install and use convenient; 2, because inside becomes an integral body with the related part of primary side with the high-strength insulating material can, so safety and insulating property are greatly increased; 3, owing to adopt the passive linear electron device, its measuring voltage wide ranges can satisfy accuracy requirement in 1kV～10kV voltage range, be tolerance (wide voltage, wide electric current) measuring apparatus truly.
Description of drawings
Fig. 1 is the utility model structure front-view schematic diagram.
Fig. 2 is the utility model structure schematic side view.
Fig. 3 analyses and observe enlarged diagram for the utility model along Fig. 2 A-A.
Fig. 4 is the utility model high pressure Direct Sampling element circuit theory diagram.
Fig. 5 is the utility model isolated location connection principle block diagram.
Embodiment
Make the utility model with reference to Fig. 1,2,3,4,5.The single-phase sampling thief of this bushing type high pressure, comprise silicon rubber dry type composite bushing 1, high tension terminal 2, the direct amorphous material current transformer 3 of electric current, side joint terminal 7, diaphragm plate 4 constitutes in the chamber of silicon rubber dry type composite bushing 1, high tension terminal 2 is installed in the top ends of silicon rubber dry type composite bushing 1, and insert upper end in the chamber of silicon rubber dry type composite bushing 1 along the axis of silicon rubber dry type composite bushing 1, electric current Direct Sampling amorphous material current transformer 3 is installed in the top in silicon rubber dry type composite bushing 1 chamber, and be enclosed within the bottom of high tension terminal 2, on the top sidewall of silicon rubber dry type composite bushing 1, be provided with side joint terminal 7, phase line one end of hi-line inlet wire from the high tension terminal 3 at silicon rubber dry type composite bushing 1 top, outlet from the side joint terminal 7, can conveniently put in order table apparatus is connected in series into circuit, it is characterized in that in silicon rubber dry type composite bushing 1 chamber on the middle part install high pressure Direct Sampling unit 5 and isolated location 6 successively, high pressure Direct Sampling unit 5 and isolated location 6 are connected by lead, diaphragm plate 4 is located between electric current Direct Sampling amorphous material current transformer 3 and the high pressure Direct Sampling unit 5 in the chamber, a side of diaphragm plate 4 is provided with wire through-hole 8 in the chamber, high pressure Direct Sampling unit 5 is connected by the bottom of lead with high tension terminal 2, and the current sample output signal line 9 of isolated location 6 is directly exported from the bottom of silicon rubber dry type composite bushing 1; Isolated location 6 is exported by the voltage sample weak signal that the isolation of linear optical coupling will be changed after isolating in the bottom of high pressure Direct Sampling unit 5.
Described high pressure Direct Sampling unit 5, comprise that resistive passive electric components 10 and precise electronic formula voltage/current become mutual device 11 and constitute, resistive passive electric components 10 1 termination high pressure phase line, another termination precise electronic formula voltage/current becomes mutual device 11, precise electronic formula voltage/current becomes mutual device 11 and connects current sample output signal line 9, the signal behind the output transform.
Described isolated location 6, comprise linear optocoupler 13, the high pressure Direct Sampling signal of high pressure Direct Sampling unit 5 outputs is by lead input linear optocoupler 13, another termination current sample output signal line 9 of linear optocoupler 13 is by the voltage sampling signal after the 9 output isolation of current sample output signal line
The direct amorphous material current transformer 3 of described electric current comprises coil, formation unshakable in one's determination, and iron core is made for iron cobalt amorphous material, and its linearity is high, the big current signal of circuit can be converted to the weak current signal of mA level.
Be filled with insulating resin in the chamber of described silicon rubber dry type composite bushing 1, as open in the chamber of silicon rubber dry type composite bushing 1, complete machine is damaged, therefore have anti-theft feature.
Claims (3)
1. single-phase sampling thief of bushing type high pressure, comprise silicon rubber dry type composite bushing (1), high tension terminal (2), the direct amorphous material current transformer of electric current (3), side joint terminal (7), diaphragm plate (4) constitutes in the chamber of silicon rubber dry type composite bushing (1), high tension terminal (2) is installed in the top ends of silicon rubber dry type composite bushing (1), and insert in the chamber of silicon rubber dry type composite bushing (1) along the axis of silicon rubber dry type composite bushing (1) on, electric current Direct Sampling amorphous material current transformer (3) is installed in the top in silicon rubber dry type composite bushing (1) chamber, and be enclosed within the bottom of high tension terminal (2), on the top sidewall of silicon rubber dry type composite bushing (1), be provided with side joint terminal (7), it is characterized in that the middle part of going up in silicon rubber dry type composite bushing (1) chamber installs high pressure Direct Sampling unit (5) and isolated location (6) successively, high pressure Direct Sampling unit (5) is connected by lead with isolated location (6), diaphragm plate in the chamber (4) is located between electric current Direct Sampling amorphous material current transformer (3) and the high pressure Direct Sampling unit (5), one side of diaphragm plate in the chamber (4) is provided with wire through-hole (8), high pressure Direct Sampling unit (5) is connected by the bottom of lead with high tension terminal (2), and the current sample output signal line (9) of isolated location (6) is directly exported from the bottom of silicon rubber dry type composite bushing (1).
2. the single-phase sampling thief of bushing type high pressure according to claim 1, it is characterized in that described high pressure Direct Sampling unit (5), comprise that resistive passive electric components (10) and precise electronic formula voltage/current become mutual device (11) and constitute, resistive passive electric components (10) one termination high pressure phase line, another termination precise electronic formula voltage/current becomes mutual device (11), and precise electronic formula voltage/current becomes mutual device (11) and connects current sample output signal line (9).
3. the single-phase sampling thief of bushing type high pressure according to claim 1, it is characterized in that described isolated location (6), comprise linear optocoupler (13), the high pressure Direct Sampling signal of high pressure Direct Sampling unit (5) output is imported linear optocoupler (13) by lead, another termination current sample output signal line (9) of linear optocoupler (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200145135U CN201594103U (en) | 2010-01-06 | 2010-01-06 | Sleeve-type high-voltage one-phase sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200145135U CN201594103U (en) | 2010-01-06 | 2010-01-06 | Sleeve-type high-voltage one-phase sampler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201594103U true CN201594103U (en) | 2010-09-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010200145135U Expired - Fee Related CN201594103U (en) | 2010-01-06 | 2010-01-06 | Sleeve-type high-voltage one-phase sampler |
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| Country | Link |
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| CN (1) | CN201594103U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102866285A (en) * | 2012-09-28 | 2013-01-09 | 北京科锐配电自动化股份有限公司 | Current and voltage integrating type measuring device |
| CN103076481A (en) * | 2012-12-26 | 2013-05-01 | 北京科锐配电自动化股份有限公司 | Three-phase integrated electronic transformer |
| CN104916404A (en) * | 2015-07-03 | 2015-09-16 | 江苏容天机电科技有限公司 | Self-cooled dedusting transformer |
-
2010
- 2010-01-06 CN CN2010200145135U patent/CN201594103U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102866285A (en) * | 2012-09-28 | 2013-01-09 | 北京科锐配电自动化股份有限公司 | Current and voltage integrating type measuring device |
| CN102866285B (en) * | 2012-09-28 | 2015-12-09 | 北京科锐配电自动化股份有限公司 | Current and voltage integrated measuring device |
| CN103076481A (en) * | 2012-12-26 | 2013-05-01 | 北京科锐配电自动化股份有限公司 | Three-phase integrated electronic transformer |
| CN104916404A (en) * | 2015-07-03 | 2015-09-16 | 江苏容天机电科技有限公司 | Self-cooled dedusting transformer |
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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: 20100929 Termination date: 20150106 |
|
| EXPY | Termination of patent right or utility model |