CN2554782Y - Screw contact voltage regulator - Google Patents
Screw contact voltage regulator Download PDFInfo
- Publication number
- CN2554782Y CN2554782Y CN 02265957 CN02265957U CN2554782Y CN 2554782 Y CN2554782 Y CN 2554782Y CN 02265957 CN02265957 CN 02265957 CN 02265957 U CN02265957 U CN 02265957U CN 2554782 Y CN2554782 Y CN 2554782Y
- Authority
- CN
- China
- Prior art keywords
- coil
- brush
- ring
- voltage regulator
- cylindrical threaded
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a spiral type contact voltage regulator used for voltage adjustment. The spiral type contact voltage regulator comprises an iron core, a cylindrical threaded coil, a brush ring, a fixed electric brush, and a movable electric brush, wherein, the cylindrical threaded coil and the brush ring are sleeved outside the iron core in sequence, the cylindrical threaded coil is composed of a winding of the round tube shaped insulation tube thread shape, a conducting ring and a transmission gear which are fixed at the end of the cylindrical threaded coil, the conducting ring fixed at the end of the cylindrical threaded coil is made of a coil inductance coil, the two down-leads of the coil inductance coil are strapped and connected with the current input or output end of the screw shape winding, and the outer side surface is processed into a smooth naked copper shape and contacted with the fixed electric brush. The utility model avoids the occurrence of the short circuit induction, and the service life of the voltage regulator is prolonged.
Description
Technical field
The utility model relates to a kind of voltage regulating device, especially is applicable to the stepless voltage regulation power supply of electric equipment.
Background technology
At present the variable-voltage transformer that generally uses has common ring-like, pillar variable-voltage transformer, the core rotation type voltage regulator, multi-thread and around formula by touching voltage regulator.There is deficiency in these several voltage regulators on the principle, on the structure, in the manufacturing and on the scope of application, as general ring-like, pillar variable-voltage transformer owing in the pressure regulation process, have the turn-to-turn short circuit electric current, cause that temperature rise is too high, though can not making big core rotation type voltage regulator, capacity do not have the turn-to-turn short circuit electric current, but because a moving iron core is arranged, therefore when working, bringing onto load can cause electromagnetic induction, produce mechanical oscillation, it is multi-thread and be easy to generate electric spark around the formula variable-voltage transformer to influence useful life.
Summary of the invention
The purpose of this utility model is to overcome the turn-to-turn short circuit that above-mentioned variable-voltage transformer exists, shortcomings such as mechanical oscillation, spark, provide a kind of from zero accent, capacity is big, waveform good, no-load current is little, simple in structure, spiral variable-voltage transformer that cost is low.
For achieving the above object, the technical solution of the utility model is a kind of spiral variable-voltage transformer, comprise iron core, the cylindrical thread coil, brush ring, stable electric brush, moving brush, iron core is with the cylindrical thread coil outward successively, brush ring, the cylindrical thread coil shows the screw-shaped winding by garden tubulose insulating cylinder, the collector ring and the travelling gear that are fixed on the cylindrical thread end winding constitute, being fixed on the cylindrical thread coil) the end collector ring is with there being the core inductance coil to make, two lead-in wire phase short circuits of core inductance coil are arranged and input or output end with the electric current of apparent shape of threads winding to be connected, lateral surface is processed into smooth naked copper shape and contacts with stable electric brush.
The utility model is owing to adopt said structure, there is the core inductance coil under the effect of induction alternating flux, can produce induction reactance, limited the short circuited inductance electric current, therefore can will there be two lead risers of core inductance coil to link to each other, make the collector ring of a closure, electric current can be passed to the shape of threads winding continuously by collector ring, has avoided the generation of spark.
Description of drawings
Accompanying drawing is depicted as structural representation of the present utility model.
Embodiment
Below in conjunction with accompanying drawing specific embodiments of the present utility model is described further a kind of spiral variable-voltage transformer, comprise iron core 1, cylindrical thread shape coil 2, brush ring 3, moving brush 4, stable electric brush 5, the iron core 1 outer cylindrical thread coil 2 that is with successively, brush ring 3, cylindrical thread coil 2 is by show screw-shaped winding 7 around pipe insulating cylinder 6 outsides, be fixed on cylindrical thread coil 2 ends and input or output the collector ring 8 that end links to each other with shape of threads winding 7 electric currents, and a travelling gear 9 is formed, collector ring 8 is by there being the core inductance coil to process, there are two lead-in wires of core inductance coil to link to each other, smooth naked copper shape is processed in the side, if the material of the travelling gear 9 and core electric conductor of core inductance coil is arranged, then must opening and insulation processing collector ring 8 contact with stable electric brush 5.Brush ring 3 is to make the nut type that is complementary with shape of threads winding 7 by insulating material, and moving brush 4 is fixed on brush ring 3 travelling gears 9 and links to each other with transmission mechanism.
During this voltage regulator operation, cylindrical thread coil 2 is done all circular motion under transmission mechanism drives, brush ring 3 is done relative screw with circle double-screw bolt streakline circle 2, and drive moving brush 4 and move up and down along screw thread, stable electric brush 5 is made relative circular motion with collector ring 8 smooth naked copper sides, thereby reaches the purpose of step-less adjustment voltage.
Claims (1)
1, a kind of spiral variable-voltage transformer, comprise iron core (1), cylindrical thread coil (2), brush ring (3), stable electric brush (5), moving brush (4), the outer cylindrical thread coil (2) that is with successively of iron core (1), brush ring (3), cylindrical thread coil (2) shows screw-shaped winding (7) by garden tubulose insulating cylinder (6), the collector ring (8) and the travelling gear (9) that are fixed on cylindrical thread coil (2) end constitute, it is characterized in that being fixed on cylindrical thread coil (2) end collector ring (8) is with there being the core inductance coil to make, two lead-in wire phase short circuits of core inductance coil are arranged and input or output end with the electric current of apparent shape of threads winding (7) to be connected, lateral surface is processed into smooth naked copper shape and contacts with stable electric brush (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02265957 CN2554782Y (en) | 2002-07-29 | 2002-07-29 | Screw contact voltage regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02265957 CN2554782Y (en) | 2002-07-29 | 2002-07-29 | Screw contact voltage regulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2554782Y true CN2554782Y (en) | 2003-06-04 |
Family
ID=33731885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02265957 Expired - Fee Related CN2554782Y (en) | 2002-07-29 | 2002-07-29 | Screw contact voltage regulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2554782Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101533707B (en) * | 2008-11-28 | 2011-07-27 | 淄博市博山调压器有限责任公司 | Contact set for rotary-core voltage regulators |
| CN108711498A (en) * | 2017-08-17 | 2018-10-26 | 周瑞军 | A kind of adjusting method of the flexible adjustable auto-transformer of damping of carbon brush body |
-
2002
- 2002-07-29 CN CN 02265957 patent/CN2554782Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101533707B (en) * | 2008-11-28 | 2011-07-27 | 淄博市博山调压器有限责任公司 | Contact set for rotary-core voltage regulators |
| CN108711498A (en) * | 2017-08-17 | 2018-10-26 | 周瑞军 | A kind of adjusting method of the flexible adjustable auto-transformer of damping of carbon brush body |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |