CN202905446U - High-precision and low-power voltage transformer used for electronic instrument and microcomputer protection - Google Patents
High-precision and low-power voltage transformer used for electronic instrument and microcomputer protection Download PDFInfo
- Publication number
- CN202905446U CN202905446U CN 201220626096 CN201220626096U CN202905446U CN 202905446 U CN202905446 U CN 202905446U CN 201220626096 CN201220626096 CN 201220626096 CN 201220626096 U CN201220626096 U CN 201220626096U CN 202905446 U CN202905446 U CN 202905446U
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- conductor winding
- low
- winding
- copper conductor
- voltage transformer
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- Expired - Fee Related
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Abstract
The utility model relates to a high-precision and low-power voltage transformer used for electronic instrument and microcomputer protection. The high-precision and low-power voltage transformer used for the electronic instrument and the microcomputer protection mainly comprises a primary copper conductor winding, a secondary conductor winding, a magnet core, an insulation outer shell and a base seat, wherein the primary copper conductor winding penetrates through the center of the magnet core, an outgoing line of the primary copper conductor winding is evenly wound in the insulation outer shell, the secondary conductor winding is evenly wound around the magnet core and is evenly wound outside the primary copper conductor winding, an insulation layer is arranged between the primary copper conductor winding and the secondary conductor winding, the insulation outer shell is arranged outside the magnet core, the primary copper conductor winding and the secondary conductor winding are evenly nested on the magnet core, and the insulation outer shell and the base seat form an integrity. The high-precision and low-power voltage transformer used for the electronic instrument and the microcomputer protection has the advantages of being small in size, light in weight, low in cost of raw materials, and strong in electromagnetic compatibility, and meeting the requirement proposed at present for low carbon and environment protection.
Description
Technical field
The utility model relates to a kind of voltage transformer, relates in particular to a kind of high accuracy for electronic instrument, Microcomputer Protection, low-power voltage transformer.
Background technology
Progress along with technology; be transported to now double measurement, the protection of electric equipment and all adopted electronic instrument, Microcomputer Protection; these instrument, protection are because itself precision can be done very highly; general 0.5 grade; therefore the precision of previous stage electric current (voltage) instrument transformer there has been higher requirement; in addition; and because electronic instrument, microcomputer protecting device are very little to the power requirement of signal; generally only need 0.1-0.5VA; thus, utility model the instrument transformer of high accuracy, low-power (small size).
The utility model content
The purpose of this utility model is in order to overcome deficiency of the prior art, thereby a kind of high accuracy for electronic instrument, Microcomputer Protection, low-power voltage transformer are provided.
Be used for electronic instrument; the high accuracy of Microcomputer Protection; the low-power voltage transformer; mainly comprise the copper conductor winding one time; secondary copper wire winding; magnetic core; insulation crust and base; one time the copper conductor winding runs through by the magnetic core center; and a copper conductor winding leading-out wire uniform ring is in insulation crust; secondary copper wire winding uniform winding is on magnetic core; and secondary copper wire winding uniform ring is outside copper conductor winding; be provided with insulating barrier between copper conductor winding and the secondary copper wire winding; magnetic core is provided with insulation crust outward; copper conductor winding and secondary copper wire winding evenly are nested on the magnetic core, and insulation crust and base consist of an integral body.
Adopt the beneficial effect of technique scheme to be:
The utlity model has that volume is little, lightweight, the cost of raw material is low and Electro Magnetic Compatibility is strong, meet low-carbon (LC), the environmental requirement of present proposal.And, adopt this instrument transformer after, the detecting signal unit of measuring instrument, microcomputer protecting device can be cancelled converter, directly enters analog to digital conversion circuit behind the amplitude limit, from and can save ample resources.
Description of drawings
Fig. 1 is high accuracy, the low-power voltage transformer structural representation that the utility model is used for electronic instrument, Microcomputer Protection.
Among the figure: 1-copper conductor winding, 2-insulation crust, 3-secondary copper wire winding, 4-magnetic core, 5-base.
Embodiment
Below in conjunction with accompanying drawing the utility model is described in further detail:
Be used for electronic instrument; the high accuracy of Microcomputer Protection; the low-power voltage transformer; mainly comprise copper conductor winding 1 one time; secondary copper wire winding 3; magnetic core 4; insulation crust 2 and base 5; one time copper conductor winding 1 runs through by magnetic core 4 centers; and copper conductor winding 1 a lead-out wire uniform ring is in insulation crust 2; secondary copper wire winding 3 uniform winding are on magnetic core 4; and secondary copper wire winding 3 uniform ring are outside copper conductor winding 1; be provided with insulating barrier between copper conductor winding 1 and the secondary copper wire winding 3; the magnetic core 4 outer insulation crusts 2 that are provided with; one time copper conductor winding 1 evenly is nested on the magnetic core 4 with secondary copper wire winding 3, and insulation crust 2 consists of an integral body with base 5.The output of secondary low-power signal can be voltage signal according to the secondary device requirement, and voltage can be the 0.1-1V scope, and power is 1-2VA.
The output of the utility model secondary is the low-power voltage signal linearly proportional with primary voltage; A secondary instrument transformer winding just can satisfy the multiple requirement of measuring and protecting simultaneously; Also can be by customer requirements, secondary winding is a plurality of, respectively as metering, measurement, protection etc.; The utlity model has that volume is little, lightweight, the cost of raw material is low and Electro Magnetic Compatibility is strong, meet low-carbon (LC), the environmental requirement of present proposal.And, adopt this instrument transformer after, the detecting signal unit of measuring instrument, microcomputer protecting device can be cancelled converter, directly enters analog to digital conversion circuit behind the amplitude limit, from and can save ample resources.
The utility model product is compared with similar other products, and volume is original 1/3, and weight also is original 1/3, and cost only is original 1/2, and precision improves.Be applicable to voltage at the voltage transformer of 0.4kV-35kV.
Claims (1)
1. be used for electronic instrument; the high accuracy of Microcomputer Protection; the low-power voltage transformer; it is characterized in that: it mainly comprises a copper conductor winding (1); secondary copper wire winding (3); magnetic core (4); insulation crust (2) and base (5); a copper conductor winding (1) runs through by magnetic core (4) center; and a copper conductor winding (1) lead-out wire uniform ring is in insulation crust (2); secondary copper wire winding (3) uniform winding is on magnetic core (4); and secondary copper wire winding (3) uniform ring is outside a copper conductor winding (1); be provided with insulating barrier between a copper conductor winding (1) and the secondary copper wire winding (3); the outer insulation crust (2) that is provided with of magnetic core (4); a copper conductor winding (1) evenly is nested on the magnetic core (4) with secondary copper wire winding (3), and insulation crust (2) consists of an integral body with base (5).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201220626096 CN202905446U (en) | 2012-11-23 | 2012-11-23 | High-precision and low-power voltage transformer used for electronic instrument and microcomputer protection |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201220626096 CN202905446U (en) | 2012-11-23 | 2012-11-23 | High-precision and low-power voltage transformer used for electronic instrument and microcomputer protection |
Publications (1)
Publication Number | Publication Date |
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CN202905446U true CN202905446U (en) | 2013-04-24 |
Family
ID=48126084
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 201220626096 Expired - Fee Related CN202905446U (en) | 2012-11-23 | 2012-11-23 | High-precision and low-power voltage transformer used for electronic instrument and microcomputer protection |
Country Status (1)
Country | Link |
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CN (1) | CN202905446U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102945743A (en) * | 2012-11-23 | 2013-02-27 | 遵义长征电器开关设备有限责任公司 | High-accuracy low-power voltage transformer for protecting electronic instrument and microcomputer |
-
2012
- 2012-11-23 CN CN 201220626096 patent/CN202905446U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102945743A (en) * | 2012-11-23 | 2013-02-27 | 遵义长征电器开关设备有限责任公司 | High-accuracy low-power voltage transformer for protecting electronic instrument and microcomputer |
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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 | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130424 Termination date: 20171123 |