CN102611331A - High-power-density onboard variable voltage rectifier - Google Patents
High-power-density onboard variable voltage rectifier Download PDFInfo
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- CN102611331A CN102611331A CN201210076034XA CN201210076034A CN102611331A CN 102611331 A CN102611331 A CN 102611331A CN 201210076034X A CN201210076034X A CN 201210076034XA CN 201210076034 A CN201210076034 A CN 201210076034A CN 102611331 A CN102611331 A CN 102611331A
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Abstract
The invention relates to a high-power-density onboard variable voltage rectifier, which comprises an input connector, an input filter unit, a pulse transformator, a rectifying unit, an output filter unit, a heat radiation unit, a fault warning unit, an output connector and a casing, wherein the casing consists of a bottom plate, a panel and a cover hoop. Compared with an independent voltage stabilizing circuit, the high-power-density onboard variable voltage rectifier has the advantages that the device number is decreased, the system complexity is reduced, the system reliability is improved, and characteristics of low input current harmonic waves, stable output voltage and the like are realized. The high-power-density onboard variable voltage rectifier is suitable for being applied to middle-high-power rectifying occasions in aviation industry and national production.
Description
Technical field
The present invention relates to a kind of vertoro, be specifically related to the airborne vertoro of a kind of high power density.
Background technology
Improve constantly along with what installation required, also increasingly high to the requirement of the volume of airborne equipment, weight, unfailing performance etc.The general volume and weight of existing airborne vertoro is bigger, has taken installing space, has increased the equipment integral burden, is not easy to safeguard, can not adapt to the demand of modern installation.Traditional transformer all is employed on the common FERRITE CORE, twines enamelled wire or multiply strand and line, and volume ratio is bigger, and transfer efficiency is not enough, has limited the scope of application of transformer, has fettered the minimum dimension that power-supply system can reach.
Summary of the invention
In order to solve deficiencies such as the traditional transformer volume is big in the prior art, weight is big, efficient is low, the invention provides a kind of simple in structure, compact, easy to assembly, in light weight, high efficiency, the airborne vertoro of high power density safe in utilization.
The technical scheme that the present invention adopts is: the airborne vertoro of a kind of high power density; Its technical characterstic is: comprise input connector, input filter unit, pulse transformer, rectification unit, output filter unit, heat-sink unit, fault warning unit, out connector, and the housing of forming by base plate, panel, housing;
Pulse transformer, rectification unit, heat-sink unit all are installed on the base plate; Heat-sink unit comprises radiator and blower fan; Rectification unit is installed on the radiator side; Arrange input filter unit and output filter unit on the rectification unit, input connector, out connector, fault warning unit all are installed on the panel;
Said input filter unit comprises reactor and input filter capacitor, and reactor is connected with input connector; The input of said pulse transformer is connected with reactor; The output of said pulse transformer is connected with the ac input end of the double diode of rectification unit; Said output filter unit comprises flat anti-device, output filter capacitor and resistance; The positive output end of the double diode of rectification unit connects the out connector positive terminal through flat anti-device; The negative output terminal of the double diode of rectification unit connects out connector and connects negative terminal, is parallel with output filter capacitor and resistance between the positive and negative binding post of out connector.
Said fault warning unit comprises the fan trouble alarm switch on the blower fan, and the fan trouble alarm switch is connected with the fault warning unit.
Said fault warning unit comprises the temperature warning switch on the base plate, and the temperature warning switch is connected with the fault warning unit.
Said radiator is crimped on the base plate by some inserted sheet spaces of teeth.
The corresponding layout in said blower fan air channel with radiator.
Three phase windings of one group of Y-connection are adopted on the former limit of said pulse transformer, and secondary adopts two groups to be respectively three phase windings that star is connected with triangle; Said rectification unit comprises six double diodes, and every group of three double diodes are the dual-side that is arranged in radiator symmetrically, and the input filter unit is arranged in respectively on three double diodes of radiator dual-side with the output filter unit; The star of said pulse transformer secondary is connected with the ac input end of two groups of three double diodes respectively with the Atria phase winding; The positive output end of two groups of three double diodes connects the positive terminal of out connector respectively through two flat anti-devices, the negative output terminal of two groups of three double diodes connects the negative terminal of out connector.
Compared with prior art, advantage of the present invention is:
1, the alarm connector of input connector, out connector and fault warning unit is made by composite material; Composite material has that specific strength is big, specific stiffness is high, anti-fatigue performance is good, damping property is good, high temperature resistant, fail safe good, characteristics such as in light weight, light by 30% than aluminum alloy materials;
2, input filter unit and output filter unit all are in order to solve electromagnetic compatibility problem; Reactor and input filter capacitor, flat anti-device and output filter capacitor are all formed the LC combination; The LC parameter of selected coupling makes it have good common mode, differential mode characteristic after spectrum analysis, solves the emc issue of equipment; The electromagnetic interference that has suppressed input and output effectively guarantees the normal operation of equipment;
3, pulse transformer is to be accomplished by specific magnetic core and technique for coiling, makes transformer have good activity coefficient, and whole volume of transformer and weight have all had very big change, make the volume of complete machine reduce significantly; Three phase windings of one group of Y-connection are adopted on the former limit of transformer; Secondary adopts two groups to be respectively to deliver to rectification unit and output filter unit after the Y/Y Δ connected mode of three phase windings that are connected with triangle of star; Output DC can reduce Harmonics of Input and output voltage ripple greatly;
4, rectification unit is made up of six high-power double diodes, and this double diode has the advantages that conduction voltage drop is low, loss is little, can improve overall efficiency; And the forward conduction electric current is big, and still within its rated current, overload capacity is strong, has improved current capacity for its short circuit current when short circuit is worked, and makes the short circuit of complete machine, carrying load ability stronger;
5, heat-sink unit is to adopt some aluminium alloy inserted sheet teeth to form the radiator blade inserting to be installed on the base, and volume is little, topology layout is compact, and is convenient for installation and maintenance, has good heat sinking function, guarantees long-time operation semi-load under calm cold state; Adopt with radiator be used in light weight, air quantity is big, the blower fan air blast cooling that reliability is high reaches higher radiating effect, has improved the operational reliability of equipment complete machine;
6, the fault warning unit is made up of temperature warning and fan trouble alarm; Temperature warning is answered the vertoro internal temperature via enclosure interior temperature warning switch; When temperature is higher than 120-130 ℃ of setting; The closed temperature alarm switch is with the alarm connector output of fault-signal through the fault warning unit; Blower fan is provided with the rotating speed of fan trouble alarm switch sampling blower fan; When the rotating speed of blower fan is lower than the rotating speed of setting; Closed fan trouble alarm switch; Through alarm connector output, the collection of two-way fault-signal and output can real time reaction complete machine operation conditionss with fault-signal, improve the reliability of equipment operation.
The present invention rationally lays input filter unit, pulse transformer, rectification unit and output filter unit on base plate; Form housing through panel and housing package floor, by the input and output of the input on the panel, out connector realization rectifier, on the basis of the electrical performance indexes that guarantees to set; Satisfy that volume is little, in light weight, compact conformation, convenient for installation and maintenance, reliable installation demand operates steadily; Compare with adopting independently voltage stabilizing circuit, reduced component number, reduced the complexity of system; Improved the reliability of system; It is low to possess Harmonics of Input, and characteristics such as output voltage stabilization are fit to be applied to the middle power rectifier occasion of aircraft industry and national product.
Description of drawings
Fig. 1 is interior layout figure of the present invention;
Fig. 2 is a vertoro composition frame chart of the present invention.
Among the figure: base plate 1, panel 2, input connector 3, reactor 4, input filter capacitor 5; Pulse transformer 6, double diode 7, flat anti-device 8, output filter capacitor 9, out connector 10; Radiator 11, blower fan 12, alarm connector 13, fan trouble alarm switch 14, temperature warning switch 15.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is described further.
Shown in Figure 1, the airborne vertoro of a kind of high power density comprises base plate 1, panel 2, input connector 3; Reactor 4, input filter capacitor 5, pulse transformer 6, double diode 7; Flat anti-device 8, output filter capacitor 9, out connector 10, radiator 11; Blower fan 12, alarm connector 13, fan trouble alarm switch 14 and temperature warning switch 15.Panel 2 is arranged at base plate 1 one sides; Panel 2 is provided with input connector 3, out connector 10 and alarm connector 13; The base plate 1 of base plate opposite side is provided with pulse transformer 6; Base plate between pulse transformer 6 and the panel 2 is provided with to be crimped on by some inserted sheet spaces of teeth forms radiator 11 on the base plate, be provided with symmetrically respectively on the base plate 1 of radiator 11 any two opposite sides and arrange reactor 4 peaceful anti-devices 8 on 7, two groups of three double diodes of three double diodes respectively; Base plate 1 is provided with blower fan 12, blower fan 12 air channels and radiator 11 corresponding settings, blower fan 12 be provided with panel 1 on the fan trouble alarm switch 14 that is connected of alarm connector 13; Blower fan 12 is respectively equipped with input filter capacitor 5 and output filter capacitor 9 on the base plate 1 of both sides arbitrarily relatively, also be provided with on the base plate 1 with panel 1 on alarm connector 13 be connected temperature warning switch 15; Input connector 3 connects out connectors 10 through reactor 4, input filter capacitor 5, pulse transformer 6, two groups of three double diodes 7, flat anti-device 8, output filter capacitor 9 successively, and the rectifier housing that base plate 1, panel 2 and housing are formed is with the above-mentioned electronic package that is installed on the base plate 1.
Vertoro composition frame chart of the present invention shown in Figure 2; The three-phase input of input connector 3 connects three reactor 4 inputs respectively; The neutral input grounding of input connector 3; Three reactor 4 outputs connect three phase windings of the Y-connection on pulse transformer 6 former limits; Between three reactor 4 outputs and the pulse transformer 6 respectively through three input filter capacitor 5 ground connection; Pulse transformer 6 secondary adopt two groups to be respectively three phase windings that star is connected with triangle; Three phase windings that star is connected with triangle connect the ac input end of two groups of three double diodes respectively, and the positive output end of two groups of three double diodes connects the positive terminal of out connector 10 respectively through two flat anti-devices 8, and the negative output terminal of two groups of three double diodes connects the negative terminal of out connector 10; Be provided with resistance R parallel with one another and output filter capacitor group between the positive and negative binding post of out connector 10, the output filter capacitor group form by two output filter capacitors 9 serial connection and two output filter capacitors 9 between ground connection; Fan trouble alarm switch 14 is connected in parallel in alarm connector 13 with temperature warning switch 15.
Three-phase alternating current is linked into the reactor 4 in the input filter unit through input connector 3; After reactor 4 and input filter capacitor 5 Filtering Processing, deliver to pulse transformer 6 and carry out power factor correction and decompression transformation; Alternating current after the conversion is delivered to the ac input end of double diode 7 in the rectification unit; Direct current after the rectification is delivered on the flat anti-device 8 in the output filter unit through the positive-negative output end of double diode; After by flat anti-device 8, output filter capacitor 9, resistance R the direct current of output being carried out Filtering Processing, by out connector 10 outputs to the external equipment distribution.Because vertoro power is bigger; And net capacity is limited on the machine, in order to reduce harmonic wave that vertoro produces and reactive power and to the influence of electrical network on the machine, to alleviate interference; And reduce the pulsating quantity of input direct voltage; Vertoro is designed to the rectification circuit of the multiple connection of phase shift, and rectifier bridge is realized the current-sharing operation of two rectifier bridges through flat anti-device output dc voltage after the multiple connection.The heat that in the equipment work process, forms is radiated in the air through radiator 11 heat radiations; Through blower fan 12 heat is taken out of outside the machine; In the running; 14 pairs of fan troubles of the fan trouble alarm switch that is provided with on the blower fan are monitored in real time, and during like the rotation speed of fan preset rotation speed, then the fan trouble alarm switch is closed; The temperature of the 15 pairs of device interiors of temperature warning switch in the vertoro is monitored in real time, when being higher than preset temperature value like temperature, and temperature warning switch closure then; Fan trouble alarm signal and temperature alarm signal are through 13 outputs of alarm connector.
Claims (6)
1. airborne vertoro of high power density; It is characterized in that: comprise input connector, input filter unit, pulse transformer, rectification unit, output filter unit, heat-sink unit, fault warning unit, out connector, and the housing of forming by base plate, panel, housing;
Pulse transformer, rectification unit, heat-sink unit all are installed on the base plate; Heat-sink unit comprises radiator and blower fan; Rectification unit is installed on the radiator side; Arrange input filter unit and output filter unit on the rectification unit, input connector, out connector, fault warning unit all are installed on the panel;
Said input filter unit comprises reactor and input filter capacitor, and reactor is connected with input connector; The input of said pulse transformer is connected with reactor; The output of said pulse transformer is connected with the ac input end of the double diode of rectification unit; Said output filter unit comprises flat anti-device, output filter capacitor and resistance; The positive output end of the double diode of rectification unit connects the out connector positive terminal through flat anti-device; The negative output terminal of the double diode of rectification unit connects out connector and connects negative terminal, is parallel with output filter capacitor and resistance between the positive and negative binding post of out connector.
2. the airborne vertoro of high power density according to claim 1 is characterized in that: said fault warning unit comprises the fan trouble alarm switch on the blower fan, and the fan trouble alarm switch is connected with the fault warning unit.
3. the airborne vertoro of high power density according to claim 1 is characterized in that: said fault warning unit comprises the temperature warning switch on the base plate, and the temperature warning switch is connected with the fault warning unit.
4. the airborne vertoro of high power density according to claim 1 is characterized in that: said radiator is crimped on the base plate by some inserted sheet spaces of teeth.
5. according to claim 1 or the airborne vertoro of 4 described high power densities, it is characterized in that: the corresponding layout of said radiator with the blower fan air channel.
6. the airborne vertoro of high power density according to claim 1 is characterized in that: three phase windings of one group of Y-connection are adopted on the former limit of said pulse transformer, and secondary adopts two groups to be respectively three phase windings that star is connected with triangle; Said rectification unit comprises six double diodes, and every group of three double diodes are the dual-side that is arranged in radiator symmetrically, and the input filter unit is arranged in respectively on three double diodes of radiator dual-side with the output filter unit; The star of said pulse transformer secondary is connected with the ac input end of two groups of three double diodes respectively with the Atria phase winding; The positive output end of two groups of three double diodes connects the positive terminal of out connector respectively through two flat anti-devices, the negative output terminal of two groups of three double diodes connects the negative terminal of out connector.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210076034.XA CN102611331B (en) | 2012-03-21 | 2012-03-21 | High-power-density onboard variable voltage rectifier |
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| CN201210076034.XA CN102611331B (en) | 2012-03-21 | 2012-03-21 | High-power-density onboard variable voltage rectifier |
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| CN102611331A true CN102611331A (en) | 2012-07-25 |
| CN102611331B CN102611331B (en) | 2014-03-19 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105722376A (en) * | 2016-04-08 | 2016-06-29 | 珠海思齐电动汽车设备有限公司 | Oil-immersed electronic device radiating system |
| CN107786105A (en) * | 2016-08-30 | 2018-03-09 | 中国飞行试验研究院 | A kind of Transformer Rectifier system based on harmonics restraint |
| CN110112936A (en) * | 2019-05-20 | 2019-08-09 | 哈尔滨理工大学 | A kind of voltage levels rectifier |
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| CN201298811Y (en) * | 2008-11-21 | 2009-08-26 | 兰州金牛轨道交通装备有限责任公司 | DC chopped-wave stable-voltage power supplier |
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| CN201682407U (en) * | 2010-03-11 | 2010-12-22 | 荣信电力电子股份有限公司 | Power phase module based on IEGT (Injection Enhanced Gate Transistor) |
| CN202488370U (en) * | 2012-03-21 | 2012-10-10 | 江苏晟楠电子科技有限公司 | High power density onboard transformer rectifier |
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| GB951181A (en) * | 1961-11-15 | 1964-03-04 | Bendix Corp | A dynamoelectric generator |
| CN2172544Y (en) * | 1993-11-09 | 1994-07-20 | 胡素珍 | Inverting power supply unit |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105722376A (en) * | 2016-04-08 | 2016-06-29 | 珠海思齐电动汽车设备有限公司 | Oil-immersed electronic device radiating system |
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| CN107786105A (en) * | 2016-08-30 | 2018-03-09 | 中国飞行试验研究院 | A kind of Transformer Rectifier system based on harmonics restraint |
| CN110112936A (en) * | 2019-05-20 | 2019-08-09 | 哈尔滨理工大学 | A kind of voltage levels rectifier |
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| Publication number | Publication date |
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| CN102611331B (en) | 2014-03-19 |
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Address after: 225400 Jiangsu city of Taizhou province Taixing City Industrial Park Xiangrong Road No. 18 Patentee after: JIANGSU SHENGNAN ELECTRONIC TECHNOLOGY CO., LTD. Address before: 225400 Jiangsu city of Taizhou province Taixing City Industrial Park Xiangrong Road No. 18 Patentee before: Jiangsu Shengnan Electronic Technology Co.,Ltd. |