CN103683972A - High-power rotating rectifier module - Google Patents
High-power rotating rectifier module Download PDFInfo
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- CN103683972A CN103683972A CN201210346947.9A CN201210346947A CN103683972A CN 103683972 A CN103683972 A CN 103683972A CN 201210346947 A CN201210346947 A CN 201210346947A CN 103683972 A CN103683972 A CN 103683972A
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- radiating
- heat radiation
- heat
- rectifier
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Abstract
The invention discloses a high-power rotating rectifier module. The high-power rotating rectifier module comprises a radiating base made of metal, wherein the top end of the radiating base is bonded with the lower end surfaces of two rectifier diodes; the upper end surface of each rectifier diode is bonded with the lower end surface of one radiating pressure block; radiating channels are respectively formed in all the radiating pressure blocks; a wind inlet port on the upper end surface of each radiating pressure block is connected with an air outlet of one radiating wind pipe; the outer side walls of all the radiating wind pipes are coated with butterfly springs; the bottom end of the butterfly spring at the lower part is butted to the upper end surfaces of the radiating pressure blocks; the top end of the butterfly spring at the upper part is butted to the lower surfaces of connecting pressure plates; the left and right ends of the connecting pressure plates are respectively in fixed connection with the radiating base in an electric insulating manner by a plurality of connecting bolts. The invention aims to provide the high-power rotating rectifier module which has the advantages of small size, compact structure, low manufacturing cost, high convenience for installation and use, good radiating performance, long service life, low fault occurrence rate and high reliability and can be provided with the rectifier diodes.
Description
Technical field
The present invention relates to a kind of high-power rotary rectifier assembly.
Background technology
Over nearly 10 years, because the usefulness of middle low power generating set is low, pollutant emission is high, national correlation department encourages upper large (encouraging the upper above unit of 1000MW) to limit the policy of little (the following unit of 300MW) to newly-built power plant, but the assembly of the above synchronous generator exciting machine of existing 1000MW rotary diodes used is because volume is large, Heavy Weight, fixing point is many, dispel the heat poor, cause its useful life short, rate of breakdown is high, reliability is low, and its cannot be on a rectifier arm a plurality of rectifier diode assemblies in parallel, therefore be not suitable for using on the exciter of this power grade.
Summary of the invention
Be to provide a kind of volume little order of the present invention, compact conformation, cost is low, easy to install, perfect heat-dissipating, long service life, rate of breakdown is low, and reliability is high, can be on a rectifier arm the high-power rotary rectifier assembly of a plurality of rectifier diode assemblies in parallel.
High-power rotary rectifier assembly of the present invention, comprise and adopt metal radiating seat, the lower surface of the top of radiating seat and 2 rectifier diodes is affixed, the lower surface of rectifier diode is negative or positive electrode, the upper surface of each rectifier diode is affixed with the lower surface of a heat radiation briquetting respectively, in each heat radiation briquetting, be respectively equipped with heat dissipation channel, heat dissipation channel has an air inlet and a plurality of air outlet, the air inlet of heat dissipation channel is positioned at the top of heat radiation briquetting, a plurality of air outlets of heat dissipation channel are evenly distributed on the sidewall of heat radiation briquetting, air inlet on the upper surface of each heat radiation briquetting is connected with the gas outlet of a heat radiating air duct respectively, each heat radiating air duct vertically arranges respectively, on the lateral wall of each heat radiating air duct, be set with more than one butterfly spring, the bottom that is positioned at the butterfly spring of below withstands on the upper surface of heat radiation briquetting, the top that is positioned at the butterfly spring of top withstands on the lower surface that connects pressing plate, a left side that connects pressing plate, right-hand member adopts respectively a plurality of connecting bolts and described radiating seat electric insulation and is fixedly linked.
High-power rotary rectifier assembly of the present invention, the lateral wall of wherein said heat radiation briquetting is circular, described in each, on connecting bolt, in nut bottom, be respectively installed with an insulating sleeve with the bar section between the described top that is connected pressing plate, on each insulating sleeve, on the pipeline section between the nut of connecting bolt and the described top that is connected pressing plate, be set with cross-over block, on each insulating sleeve, on the pipeline section connecting between the bottom of pressing plate and the top of described radiating seat, be set with lower cross-over block.
High-power rotary rectifier assembly of the present invention, wherein described in each, the lower surface of rectifier diode is respectively equipped with a pad, on the sidewall of heat radiation briquetting, be respectively equipped with 4-10 air outlet, the quantity of the butterfly spring described in each on heat radiating air duct lateral wall is 2-6.
High-power rotary rectifier assembly of the present invention, the sidewall of wherein said radiating seat is provided with a plurality of heating panels, and the plate face of each heating panel vertically arranges respectively.
High-power rotary rectifier assembly of the present invention, it comprises the metal radiating seat of employing, the lower surface of the top of radiating seat and 2 rectifier diodes is affixed, the upper surface of each rectifier diode is affixed with the lower surface of a heat radiation briquetting respectively, in each heat radiation briquetting, be respectively equipped with heat dissipation channel, air inlet on the upper surface of each heat radiation briquetting is connected with the gas outlet of a heat radiating air duct respectively, on the lateral wall of each heat radiating air duct, be set with butterfly spring, the butterfly spring bottom that is positioned at below withstands on heat radiation briquetting upper surface, the butterfly spring top that is positioned at top withstands on the lower surface that connects pressing plate, a left side that connects pressing plate, right-hand member adopts respectively a plurality of connecting bolts and radiating seat electric insulation and is fixedly linked.The high-power rotary rectifier assembly with this spline structure, has volume little, compact conformation, and cost is low, easy to install, perfect heat-dissipating, long service life, rate of breakdown is low, the feature that reliability is high, and can be on a rectifier arm a plurality of rectifier diode assemblies in parallel.
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is further described.
Accompanying drawing explanation
Fig. 1 is the front view of the structural representation of high-power rotary rectifier assembly of the present invention;
Fig. 2 is the end view of Fig. 1.
Embodiment
As depicted in figs. 1 and 2, high-power rotary rectifier assembly of the present invention, comprise and adopt metal radiating seat 1, the lower surface of the top of radiating seat 1 and 2 rectifier diodes 2 is affixed, the lower surface of rectifier diode 2 is negative or positive electrode, the upper surface of each rectifier diode 2 is affixed with the lower surface of a heat radiation briquetting 3 respectively, in each heat radiation briquetting 3, be respectively equipped with heat dissipation channel 4, heat dissipation channel 4 has an air inlet and a plurality of air outlet 7, the air inlet of heat dissipation channel 4 is positioned at the top of heat radiation briquetting 3, a plurality of air outlets 7 of heat dissipation channel 4 are evenly distributed on the sidewall of heat radiation briquetting 3, air inlet on the upper surface of each heat radiation briquetting 3 is connected with the gas outlet of a heat radiating air duct 12 respectively, each heat radiating air duct 12 vertically arranges respectively, on the lateral wall of each heat radiating air duct 12, be set with 4 butterfly springs 5, the bottom that is positioned at the butterfly spring 5 of below withstands on the upper surface of heat radiation briquetting 3, the top that is positioned at the butterfly spring 5 of top withstands on the lower surface that connects pressing plate 6, a left side that connects pressing plate 6, right-hand member adopts respectively a plurality of connecting bolts 8 and radiating seat 1 electric insulation and is fixedly linked.
The lateral wall of above-mentioned heat radiation briquetting 3 is circular, on each connecting bolt 8, in nut bottom, be respectively installed with an insulating sleeve 9 with the bar section being connected between the top of pressing plate 6, upper cushion block, on each insulating sleeve 9, at the nut of connecting bolt 8, be set with cross-over block 10 with on the pipeline section being connected between the top of pressing plate 6, on each insulating sleeve 9, on the pipeline section connecting between the bottom of pressing plate 6 and the top of radiating seat 1, be set with lower cross-over block 11.
The lower surface of above-mentioned each rectifier diode 2 is respectively equipped with a pad 7, on the sidewall of heat radiation briquetting 3, is respectively equipped with 4-10 air outlet 7, and the quantity of the butterfly spring 5 on each heat radiating air duct 4 lateral wall is also 2 or 3 or 6.
The sidewall of above-mentioned radiating seat 1 is provided with a plurality of heating panels, and the plate face of each heating panel vertically arranges respectively.
High-power rotary rectifier assembly of the present invention is when assembling, can be synchronous generator exciting machine rotary diodes used through test pairing, every 2 rectifier diodes are fitted in together side by side, the current stabilizing factor of 2 rectifier diodes will reach more than 0.97, again these rectifier diodes are matched as an element test, can allow the current stabilizing factor of 20 rectifier diodes reach more than 0.90; Pairing is according to as follows:
Threshold voltage difference DELTA V
t0≤ 0.01V
Slope resistance difference DELTA R
0≤ 0.01m Ω
Peak voltage drop difference DELTA V
tM≤ 0.05V
Average pressure drop difference DELTA V
t (AV)≤ 0.02V
High-power rotary rectifier assembly of the present invention, can be fixed on high-power rotary rectifier assembly on rotor by radiating seat 1.In use, cold that air enters heat radiation briquetting 3 from heat radiating air duct 12, via air outlet 7, take away rectifier diode 2 and be delivered to the heat on heat radiation briquetting 3.In addition, radiating seat 1 also can directly dissipate the heat that rectifier diode 2 produces.Therefore its heat radiation is exceedingly fast, and volume is little, lightweight, can reduce the vibrations of axle system, and reduce a large amount of fixing points, has improved the reliability of equipment, and the probability of failure of equipment is also lowered.
High-power rotary rectifier assembly of the present invention manufacture is simple, installs easily and goes, and is in operation, and can play thermolysis, whole rectifying device can be fixed on rotating disk again, makes this product structure simple, reliable.
The insulating case of high-power rotary rectifier assembly of the present invention, insulation upper cover and insulation spacer built-up section deft design, make between positive and negative electrode the insulation simple and reliable easy row that becomes.Due to the electrode that shell is rectifying device, another electrode is directly drawn from tube core, has reduced by an electrode outlet line, has reduced contact resistance simultaneously.In addition, the shell heat sink design of high-power rotary rectifier assembly of the present invention is reasonable, under equal volume, can obtain larger area of dissipation.
Embodiment recited above is described the preferred embodiment of the present invention; not the spirit and scope of the present invention are limited; do not departing under design prerequisite of the present invention; various modification and improvement that in this area, common engineers and technicians make technical scheme of the present invention; all should fall into protection scope of the present invention; the technology contents that the present invention asks for protection, is all documented in claims.
Claims (4)
1. high-power rotary rectifier assembly, it is characterized in that: comprise and adopt metal radiating seat (1), the lower surface of the top of radiating seat (1) and 2 rectifier diodes (2) is affixed, the lower surface of rectifier diode (2) is negative or positive electrode, the upper surface of each rectifier diode (2) is affixed with the lower surface of a heat radiation briquetting (3) respectively, in each heat radiation briquetting (3), be respectively equipped with heat dissipation channel (4), heat dissipation channel (4) has an air inlet and a plurality of air outlet (7), the air inlet of heat dissipation channel (4) is positioned at the top of heat radiation briquetting (3), a plurality of air outlets (7) of heat dissipation channel (4) are evenly distributed on the sidewall of heat radiation briquetting (3), air inlet on the upper surface of each heat radiation briquetting (3) is connected with the gas outlet of a heat radiating air duct (12) respectively, each heat radiating air duct (12) vertically arranges respectively, on the lateral wall of each heat radiating air duct (12), be set with more than one butterfly spring (5), the bottom that is positioned at the butterfly spring (5) of below withstands on the upper surface of heat radiation briquetting (3), the top that is positioned at the butterfly spring (5) of top withstands on the lower surface that connects pressing plate (6), a left side that connects pressing plate (6), right-hand member adopts respectively a plurality of connecting bolts (8) and described radiating seat (1) electric insulation and is fixedly linked.
2. high-power rotary rectifier assembly according to claim 1, it is characterized in that: the lateral wall of described heat radiation briquetting (3) is for circular, on connecting bolt described in each (8), be positioned at nut bottom and be respectively installed with an insulating sleeve (9) with the bar section between the described top that is connected pressing plate (6), on pipeline section between the nut that is positioned at connecting bolt (8) on each insulating sleeve (9) and the described top that is connected pressing plate (6), be set with upper cross-over block (10), on each insulating sleeve (9), be positioned to connect on the bottom of pressing plate (6) and the pipeline section between the top of described radiating seat (1) and be set with lower cross-over block (11).
3. high-power rotary rectifier assembly according to claim 2, it is characterized in that: the lower surface of rectifier diode described in each (2) is respectively equipped with a pad (7), on the sidewall of heat radiation briquetting (3), be respectively equipped with 4-10 air outlet (7), the quantity of the butterfly spring (5) on heat radiating air duct described in each (12) lateral wall is 2-6.
4. high-power rotary rectifier assembly according to claim 3, is characterized in that: the sidewall of described radiating seat (1) is provided with a plurality of heating panels, and the plate face of each heating panel vertically arranges respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210346947.9A CN103683972B (en) | 2012-09-19 | 2012-09-19 | High-power rotary rectifier assembly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210346947.9A CN103683972B (en) | 2012-09-19 | 2012-09-19 | High-power rotary rectifier assembly |
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| Publication Number | Publication Date |
|---|---|
| CN103683972A true CN103683972A (en) | 2014-03-26 |
| CN103683972B CN103683972B (en) | 2016-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210346947.9A Active CN103683972B (en) | 2012-09-19 | 2012-09-19 | High-power rotary rectifier assembly |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103997233A (en) * | 2014-06-12 | 2014-08-20 | 株洲南车时代电气股份有限公司 | High-power high-speed rotating rectifier assembly |
| CN114204828A (en) * | 2020-08-31 | 2022-03-18 | 通用电气航空系统有限责任公司 | Flexible mechanical support system for diodes in rotating rectifiers |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2376678Y (en) * | 1999-05-31 | 2000-05-03 | 机械工业部广州电器科学研究所 | 400A rotary silicon rectifier |
| CN201550031U (en) * | 2009-09-24 | 2010-08-11 | 江西泰豪特种电机有限公司 | Rotating rectifying device for brushless hydraulic generator |
| CN201994805U (en) * | 2011-04-20 | 2011-09-28 | 北京前锋科技有限公司 | Excitation rectifying bridge arm power module for synchronous motor |
| US20120195003A1 (en) * | 2011-02-01 | 2012-08-02 | Goodrich Control Systems | Rotating Rectifier |
| CN202889216U (en) * | 2012-09-19 | 2013-04-17 | 北京新创椿树整流器件有限公司 | Large power rotating rectification component |
-
2012
- 2012-09-19 CN CN201210346947.9A patent/CN103683972B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2376678Y (en) * | 1999-05-31 | 2000-05-03 | 机械工业部广州电器科学研究所 | 400A rotary silicon rectifier |
| CN201550031U (en) * | 2009-09-24 | 2010-08-11 | 江西泰豪特种电机有限公司 | Rotating rectifying device for brushless hydraulic generator |
| US20120195003A1 (en) * | 2011-02-01 | 2012-08-02 | Goodrich Control Systems | Rotating Rectifier |
| CN201994805U (en) * | 2011-04-20 | 2011-09-28 | 北京前锋科技有限公司 | Excitation rectifying bridge arm power module for synchronous motor |
| CN202889216U (en) * | 2012-09-19 | 2013-04-17 | 北京新创椿树整流器件有限公司 | Large power rotating rectification component |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103997233A (en) * | 2014-06-12 | 2014-08-20 | 株洲南车时代电气股份有限公司 | High-power high-speed rotating rectifier assembly |
| CN103997233B (en) * | 2014-06-12 | 2017-01-11 | 株洲南车时代电气股份有限公司 | High-power high-speed rotating rectifier assembly |
| CN114204828A (en) * | 2020-08-31 | 2022-03-18 | 通用电气航空系统有限责任公司 | Flexible mechanical support system for diodes in rotating rectifiers |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103683972B (en) | 2016-05-25 |
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