CN106856145A - The preparation method and electronic type voltage transformer of a kind of coaxial capacitive voltage divider - Google Patents
The preparation method and electronic type voltage transformer of a kind of coaxial capacitive voltage divider Download PDFInfo
- Publication number
- CN106856145A CN106856145A CN201611234006.0A CN201611234006A CN106856145A CN 106856145 A CN106856145 A CN 106856145A CN 201611234006 A CN201611234006 A CN 201611234006A CN 106856145 A CN106856145 A CN 106856145A
- Authority
- CN
- China
- Prior art keywords
- polyester film
- voltage divider
- preparation
- coaxial
- capacitive voltage
- 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.)
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/04—Voltage dividers
- G01R15/06—Voltage dividers having reactive components, e.g. capacitive transformer
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R3/00—Apparatus or processes specially adapted for the manufacture or maintenance of measuring instruments, e.g. of probe tips
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/20—Instruments transformers
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
The present invention relates to electrical equipment technical field, a kind of preparation method of coaxial capacitive voltage divider is disclosed, step is as follows：In middle piezoelectricity pole surface coiling polyester film；Earthing is turned to using copper sheet；In earthing coiling polyester film and fixation outward；By the treatment of electrode for capacitors dry solidification.This coaxial capacitive voltage divider is used for electronic type voltage transformer, with reference to collector and combining unit, completes communication protocol output.Capacitive divider of the present invention is using the two-sided dispensing polyester film for solidifying, considerably increase low tension capacity, 10000pF can be reached, 220kV low pressure molding analog quantity voltages can be made to reach tens volts, the reliability and stability of the output of coaxial capacitance partial pressure are substantially increased, while ensure that the reliability of electronic type voltage transformer collection and transmission.
Description
Technical field
The present invention relates to electrical equipment technical field, more particularly to a kind of coaxial capacitive voltage divider preparation method and electronics
Formula voltage transformer.
Background technology
Electronic type voltage transformer is that primary voltage is converted to data signal by one kind, for measuring instrument, instrument and relay
The device that protection or control device are used.And major function for transducing part of electronic type voltage transformer capacitance partial pressure structure
It is that high-voltage signal is proportionally converted to the small analog signal in acquisition module acquisition range, it mainly needs to meet two sides
Face content is respectively insulating Design and required precision.
At present, using the coaxial capacitance partial pressure knot based on gas medium more than the voltage sensor of electronic type voltage transformer
Structure, the key of electronic type voltage transformer is capacitive divider, and capacitive divider is resistance to because of relatively common resistance divider
Compressive Strength is big, is difficult to puncture, and is generally used to measure ac high-voltage.Capacitive divider realizes that voltage becomes using principle of capacitive divider
Change, high pressure is divided into low pressure and A/D conversion is carried out, Optical Fiber Transmission is carried out through electrical/optical conversion coupling, reach signal processing unit and enter
Row optical electrical is changed, and is processed output digit signals through microsystem or is carried out D/A conversion output analog signals, however, with electric power
System develops to Large Copacity, super-pressure, extra-high voltage direction, and its transducing part performance requirement to electronic mutual inductor is more
Height is, it is necessary to further improve.
The content of the invention
The purpose of the present invention is directed to the defect of prior art presence, there is provided a kind of simple coaxial capacitive voltage divider of step
Preparation method and electronic type voltage transformer, increased capacitive divider low tension capacity, substantially increase coaxial capacitance point
The reliability and stability of the output of pressure, while ensure that the reliability of electronic type voltage transformer collection and transmission.
In order to solve the above-mentioned technical problem, the invention provides a kind of preparation method of coaxial capacitive voltage divider, step is such as
Under：
In the polyester film of middle piezoelectricity pole surface coiling first；
Earthing is turned to using copper sheet；
In the earthing polyester film of coiling second and fixation outward；
By the treatment of electrode for capacitors dry solidification.Further, first polyester film and the second polyester film are
Two-sided dispensing polyester film.
Further, the earthing is tubular, and the cylinder interface overlapping widths are more than 30mm, the cylinder two ends
Flanging 10mm.
Further, fiberglass adhesive tape is used during the second polyester film outside dead earth screen.
Further, oven temperature is fixed on 110~115 DEG C in the dry solidification treatment, and hardening time is 4h.
Present invention also offers a kind of electronic type voltage transformer, including preparation method as described above is made
Coaxial capacitive voltage divider.
Further, also including collector and combining unit, the coaxial capacitive voltage divider is converted to circuit high voltage
Low-voltage signal is transmitted to the collector；Low-voltage analog signal is converted to data signal and is transmitted to the merging list by the collector
Unit；The combining unit exports communication protocol simultaneously after voltage data is combined.
The present invention has the advantages that：Coaxial capacitive voltage divider of the present invention is using the two-sided dispensing polyester for solidifying
Film, considerably increases low tension capacity, can reach 10000pF, and 220kV low pressure molding analog quantity voltages can be made to reach tens volts,
Substantially increase the reliability and stability of the output of coaxial capacitance partial pressure, at the same ensure that electronic type voltage transformer collection and
The reliability of transmission.
Brief description of the drawings
In order to illustrate more clearly of technical scheme, below will be to being wanted needed for embodiment or description of the prior art
The accompanying drawing for using is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, right
For those of ordinary skill in the art, on the premise of not paying creative work, it can also be obtained according to these accompanying drawings
Its accompanying drawing.
Fig. 1 is the partial cutaway schematic of coaxial capacitive voltage divider of the present invention.
Wherein, reference is corresponded in figure：1- middle piezoelectricity poles, the polyester films of 2- first, 3- earthings, the polyester of 4- second
Film.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art obtained on the premise of creative work is not made it is all its
His embodiment, belongs to the scope of protection of the invention.
In one particular embodiment of the present invention, as shown in figure 1, the invention discloses a kind of coaxial capacitive voltage divider
Preparation method, step is as follows：
In the first polyester film of surface coiling 2 of middle piezoelectricity pole 1, first polyester film 2 is two-sided dispensing polyester film；
Earthing 3 is turned to using copper sheet, the earthing 3 is tubular, and the cylinder interface overlapping widths are more than
30mm, the cylinder two ends flanging 10mm；
In outer the second polyester film of coiling 4 of earthing 3 and fixation, second polyester film 4 is two-sided dispensing polyester
Fiberglass adhesive tape is used when film, the second polyester film 4 outside dead earth screen 3；
By the treatment of electrode for capacitors dry solidification, oven temperature is fixed on 110~115 DEG C in the dry solidification treatment,
Hardening time is 4h.
Present invention also offers a kind of electronic type voltage transformer, including preparation method as described above is made
Coaxial capacitive voltage divider.
Further, also including collector and combining unit, the coaxial capacitive voltage divider is converted to circuit high voltage
Low-voltage signal is transmitted to the collector；Low-voltage analog signal is converted to data signal and is transmitted to the merging list by the collector
Unit；The combining unit exports communication protocol simultaneously after voltage data is combined.
The present invention has the advantages that：Coaxial capacitive voltage divider of the present invention is using the two-sided dispensing polyester for solidifying
Film, considerably increases low tension capacity, can reach 10000pF, and 220kV low pressure molding analog quantity voltages can be made to reach tens volts,
Substantially increase the reliability and stability of the output of coaxial capacitance partial pressure, at the same ensure that electronic type voltage transformer collection and
The reliability of transmission.
The above is the preferred embodiment of the present invention, it should be noted that for those skilled in the art
For, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (7)
1. a kind of preparation method of coaxial capacitive voltage divider, it is characterised in that step is as follows：
In middle piezoelectricity pole (1) the first polyester film of surface coiling (2)；
Earthing (3) is turned to using copper sheet；
In the outer polyester film of coiling second (4) of earthing (3) and fixation；
By the treatment of electrode for capacitors dry solidification.
2. a kind of preparation method of coaxial capacitive voltage divider according to claim 1, it is characterised in that first polyester
Film (2) and the second polyester film (4) are two-sided dispensing polyester film.
3. a kind of preparation method of coaxial capacitive voltage divider according to claim 1, it is characterised in that the earthing
(3) it is tubular, the cylinder interface overlapping widths are more than 30mm, the cylinder two ends flanging 10mm.
4. a kind of preparation method of coaxial capacitive voltage divider according to claim 1, it is characterised in that dead earth screen
(3) fiberglass adhesive tape is used during outer the second polyester film (4).
5. a kind of preparation method of coaxial capacitive voltage divider according to claim 1, it is characterised in that the dry solidification
Oven temperature is fixed on 110-115 DEG C in treatment, and hardening time is 4h.
6. a kind of electronic type voltage transformer, it is characterised in that including the making side as described in any one in claim 1-5
The coaxial capacitive voltage divider that method is made.
7. a kind of electronic type voltage transformer according to claim 6, it is characterised in that also including collector and merge single
Circuit high voltage is converted to low-voltage signal and is transmitted to the collector by unit, the coaxial capacitive voltage divider；The collector will be low
Pressure analog signal is converted to data signal and is transmitted to the combining unit；The combining unit is exported after voltage data is combined
Communication protocol.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611234006.0A CN106856145A (en) | 2016-12-28 | 2016-12-28 | The preparation method and electronic type voltage transformer of a kind of coaxial capacitive voltage divider |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611234006.0A CN106856145A (en) | 2016-12-28 | 2016-12-28 | The preparation method and electronic type voltage transformer of a kind of coaxial capacitive voltage divider |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106856145A true CN106856145A (en) | 2017-06-16 |
Family
ID=59127105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611234006.0A Pending CN106856145A (en) | 2016-12-28 | 2016-12-28 | The preparation method and electronic type voltage transformer of a kind of coaxial capacitive voltage divider |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106856145A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6456094B2 (en) * | 1998-07-23 | 2002-09-24 | Forschunjszentrum Karlsruhe Gmbh | Capacitive voltage divider for measuring high voltage pulses with millisecond pulse duration |
| CN101424060A (en) * | 2008-08-13 | 2009-05-06 | 黄顺国 | Diamond dotted glue composite dielectric paper and preparation method thereof |
| CN101640124A (en) * | 2009-07-24 | 2010-02-03 | 江苏通驰自动化系统有限公司 | Suspended capacitor voltage transformer |
| CN101839939A (en) * | 2010-04-23 | 2010-09-22 | 重庆大学 | Subnanosecond high-voltage pulse measurement system |
| CN202614820U (en) * | 2012-06-01 | 2012-12-19 | 中国西电电气股份有限公司 | Capacitance voltage divider used in gas insulated switchgear (GIS) |
| CN103208360A (en) * | 2013-03-21 | 2013-07-17 | 许继集团有限公司 | Electronic-type current-voltage-combined transformer for GIS (gas insulated switchgear) |
| CN103760395A (en) * | 2014-01-02 | 2014-04-30 | 国家电网公司 | Multiple-output electronic voltage transformer for GIS |
| CN203772925U (en) * | 2014-01-02 | 2014-08-13 | 国家电网公司 | Multi-output electronic voltage transformer for GIS (geographic information system) |
-
2016
- 2016-12-28 CN CN201611234006.0A patent/CN106856145A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6456094B2 (en) * | 1998-07-23 | 2002-09-24 | Forschunjszentrum Karlsruhe Gmbh | Capacitive voltage divider for measuring high voltage pulses with millisecond pulse duration |
| CN101424060A (en) * | 2008-08-13 | 2009-05-06 | 黄顺国 | Diamond dotted glue composite dielectric paper and preparation method thereof |
| CN101640124A (en) * | 2009-07-24 | 2010-02-03 | 江苏通驰自动化系统有限公司 | Suspended capacitor voltage transformer |
| CN101839939A (en) * | 2010-04-23 | 2010-09-22 | 重庆大学 | Subnanosecond high-voltage pulse measurement system |
| CN202614820U (en) * | 2012-06-01 | 2012-12-19 | 中国西电电气股份有限公司 | Capacitance voltage divider used in gas insulated switchgear (GIS) |
| CN103208360A (en) * | 2013-03-21 | 2013-07-17 | 许继集团有限公司 | Electronic-type current-voltage-combined transformer for GIS (gas insulated switchgear) |
| CN103760395A (en) * | 2014-01-02 | 2014-04-30 | 国家电网公司 | Multiple-output electronic voltage transformer for GIS |
| CN203772925U (en) * | 2014-01-02 | 2014-08-13 | 国家电网公司 | Multi-output electronic voltage transformer for GIS (geographic information system) |
Non-Patent Citations (1)
| Title |
|---|
| 谢迎天: "《基于同轴电容分压器的过电压在线监测系统研究》", 《中国优秀硕士学位论文全文数据库 工程科技II辑》 * |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170616 |