CN202258596U - Water-cooling wire-wound resistor used for frequency converter brake system - Google Patents
Water-cooling wire-wound resistor used for frequency converter brake system Download PDFInfo
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- CN202258596U CN202258596U CN201120414991XU CN201120414991U CN202258596U CN 202258596 U CN202258596 U CN 202258596U CN 201120414991X U CN201120414991X U CN 201120414991XU CN 201120414991 U CN201120414991 U CN 201120414991U CN 202258596 U CN202258596 U CN 202258596U
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- resistor
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- water interface
- frequency converter
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Abstract
The utility model relates to a water-cooling wire-wound resistor used for a frequency converter brake system, which comprises a porcelain tube, a leading-out clamping ring, a rivet, a sealing ring, a resistor alloy wire, a water interface A, a water interface B, a bracket A, a bracket B, a connecting cable, an elastic retainer, a bolt, a nut, a gasket and insulating paint. The water-cooling wire-wound resistor is realized by the following manner: the leading-out clamping ring is riveted on the porcelain tube by the rivet to form a framework; the resistor alloy wire is wound on the framework and is welded on the leading-out clamping ring to form resistance; the insulating paint is coated on the resistor to form a resistor body; and the sealing ring, the water interface A, the water interface B, the bracket A, the bracket B, the connecting cable, the elastic retainer, the bolt, the nut and the gasket are respectively installed on the resistor body to form the resistor. The water-cooling wire-wound resistor has the advantages of being high in accuracy, high in power, low in temperature coefficient, good in corrosion-resistance and small in volume.
Description
Technical field
The utility model relates to a kind of water-cooled wirewound resistor that is used for the frequency converter braking system, is used for frequency converter braking system energy absorption and uses, and also can be used as in the AC-DC Circuit as the load long-term work.
Background technology
At present; The resistor that is used for the frequency converter braking system, in the majority with general power type wire wound resistor, because of it needs to absorb bigger energy in braking procedure; So the type selecting of product adopts the bigger product of rated power basically; Common wirewound resistor, power mean that greatly then volume is big, cause the miniaturization of frequency conversion system to be difficult to realize.
Summary of the invention
The purpose of the utility model is to provide a kind of water-cooled wirewound resistor that is used for the frequency converter braking system, and this resistance utensil specific power is big, the characteristics that volume is little.
The purpose of the utility model realizes like this: a kind of water-cooled wirewound resistor that is used for the frequency converter braking system; It comprises porcelain tube, draw clamp ring, rivet, sealing ring, electric resistance alloy line, water interface A, water interface B, support A, support B, stube cable, circlip, screw, nut, packing ring, insulating varnish constitute; Drawing clamp ring is contained in the rivet riveting and forms skeleton on the porcelain tube; Coiling electric resistance alloy line on skeleton; Through welding the electric resistance alloy line is welded on to draw and forms winding on the clamp ring; Insulating varnish is coated on forms resistive element on the winding, sealing ring, water interface A, water interface B, support A, support B, stube cable, circlip, screw, nut, packing ring are installed on respectively form resistor on the resistive element; The winding of described resistor is to carry out coiling with the precision electrical resistance alloy line to form, and its resistance accuracy is less than ± 5%, and temperature coefficient of resistance is less than ± 50ppm/ ℃.
The resistor that the utility model provided adopts fresh water to cool off the realization small size, powerful requirement.Because the skeleton of resistor adopts alumina porcelain to make, it has good heat conductivity, mechanical strength; Resistive element has adopted the precision electrical resistance alloy line, and the temperature coefficient of resistance of product can reach ± 50ppm/ ℃; Because the fusing point of electric resistance alloy line is 1400 ℃, has realized the strong characteristic of short time anti-current impact capacity of product; The clamp ring of drawing of resistor adopts copper nickel plating structure, resistance to elevated temperatures is preferably arranged, less additional resistance; The coat of resistor adopts organic silicon insulating varnish, and when the resistor working temperature reached 275 ℃, enamelled coating can not ftracture, come off; The water interface A of resistor, water interface B, support A, support B have selected stainless steel for use, have good corrosion resistance; The stube cable of resistor uses multiply silica gel recombination line, has good conductivity, insulating properties and thermal endurance; The circlip of resistor adopts 65Mn, has corrosion resistance and elasticity; The screw of resistor, nut, packing ring adopt stainless steel, and long-term work has good corrosion resistance.
Description of drawings
Accompanying drawing 1 is the structure chart of the utility model.
Accompanying drawing 2 is the upward view of the accompanying drawing 1 of the utility model.
Accompanying drawing 3 is the left view of the accompanying drawing 1 of the utility model.
Concrete implementation
The utility model provides a kind of water-cooled wirewound resistor that is used for the frequency converter braking system; It comprises porcelain tube (1), draw clamp ring (2), rivet (3), sealing ring (4), electric resistance alloy line (5), water interface A (6), water interface B (7), support A (8), support B (9), stube cable (10), circlip (11), screw (12), nut (13), packing ring (14), insulating varnish (15) constitute; It is characterized in that: draw clamp ring (2) and be contained in upward formation skeleton of porcelain tube (1) with rivet (3) riveting; Coiling electric resistance alloy line (5) on skeleton; Through welding electric resistance alloy line (5) is welded on and draws clamp ring (2) and go up to form winding; Insulating varnish (15) is coated on forms resistive element on the winding, sealing ring (4), water interface A (6), water interface B (7), support A (8), support B (9), stube cable (10), circlip (11), screw (12), nut (13), packing ring (14) are installed on respectively form resistor on the resistive element.The winding of described resistor is to carry out coiling with the precision electrical resistance alloy line to form, and its resistance accuracy is less than ± 5%, and temperature coefficient of resistance is less than ± 50ppm/ ℃.
Claims (2)
1. water-cooled wirewound resistor that is used for the frequency converter braking system; It comprises porcelain tube (1), draw clamp ring (2), rivet (3), sealing ring (4), electric resistance alloy line (5), water interface A (6), water interface B (7), support A (8), support B (9), stube cable (10), circlip (11), screw (12), nut (13), packing ring (14), insulating varnish (15) constitute; It is characterized in that: draw clamp ring (2) and be contained in upward formation skeleton of porcelain tube (1) with rivet (3) riveting; Coiling electric resistance alloy line (5) on skeleton; Through welding electric resistance alloy line (5) is welded on and draws clamp ring (2) and go up to form winding; Insulating varnish (15) is coated on forms resistive element on the winding, sealing ring (4), water interface A (6), water interface B (7), support A (8), support B (9), stube cable (10), circlip (11), screw (12), nut (13), packing ring (14) are installed on respectively form resistor on the resistive element.
2. a kind of water-cooled wirewound resistor that is used for the frequency converter braking system as claimed in claim 1; It is characterized in that: the winding of resistor is to carry out coiling with the precision electrical resistance alloy line to form; Its resistance accuracy is less than ± 5%, and temperature coefficient of resistance is less than ± 50ppm/ ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120414991XU CN202258596U (en) | 2011-10-27 | 2011-10-27 | Water-cooling wire-wound resistor used for frequency converter brake system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120414991XU CN202258596U (en) | 2011-10-27 | 2011-10-27 | Water-cooling wire-wound resistor used for frequency converter brake system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202258596U true CN202258596U (en) | 2012-05-30 |
Family
ID=46119804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120414991XU Expired - Lifetime CN202258596U (en) | 2011-10-27 | 2011-10-27 | Water-cooling wire-wound resistor used for frequency converter brake system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202258596U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103050201A (en) * | 2012-12-13 | 2013-04-17 | 国网智能电网研究院 | Anticorrosion water-cooling damping resistance wire |
| CN105182252A (en) * | 2015-09-30 | 2015-12-23 | 国家电网公司 | DC analog load device |
| CN105741991A (en) * | 2016-03-30 | 2016-07-06 | 湖南中车特种电气装备有限公司 | Water-cooling resistance device for frequency conversion system |
| CN112908592A (en) * | 2021-01-21 | 2021-06-04 | 胡佩芬 | Water-cooling plate cooling type brake resistor |
-
2011
- 2011-10-27 CN CN201120414991XU patent/CN202258596U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103050201A (en) * | 2012-12-13 | 2013-04-17 | 国网智能电网研究院 | Anticorrosion water-cooling damping resistance wire |
| WO2014090103A1 (en) * | 2012-12-13 | 2014-06-19 | 国网智能电网研究院 | Anti-corrosion water-cooling damping resistance wire body |
| CN103050201B (en) * | 2012-12-13 | 2016-04-20 | 国家电网公司 | A kind of anticorrosion water-cooled damping resistance filament |
| CN105182252A (en) * | 2015-09-30 | 2015-12-23 | 国家电网公司 | DC analog load device |
| CN105741991A (en) * | 2016-03-30 | 2016-07-06 | 湖南中车特种电气装备有限公司 | Water-cooling resistance device for frequency conversion system |
| CN112908592A (en) * | 2021-01-21 | 2021-06-04 | 胡佩芬 | Water-cooling plate cooling type brake resistor |
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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: 20120530 |