CN203967981U - High power density low ripple integrated power supply module - Google Patents
High power density low ripple integrated power supply module Download PDFInfo
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- CN203967981U CN203967981U CN201420347592.XU CN201420347592U CN203967981U CN 203967981 U CN203967981 U CN 203967981U CN 201420347592 U CN201420347592 U CN 201420347592U CN 203967981 U CN203967981 U CN 203967981U
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- 238000013519 translation Methods 0.000 claims abstract description 16
- 238000006243 chemical reaction Methods 0.000 claims abstract description 12
- 239000003990 capacitor Substances 0.000 claims abstract description 8
- 238000012216 screening Methods 0.000 claims abstract description 8
- 239000004065 semiconductor Substances 0.000 claims abstract description 8
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 7
- 238000012546 transfer Methods 0.000 claims abstract description 5
- 208000002925 dental caries Diseases 0.000 claims abstract description 4
- 238000005538 encapsulation Methods 0.000 claims abstract description 4
- 230000001681 protective effect Effects 0.000 claims abstract description 4
- 239000000696 magnetic material Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 9
- 230000017525 heat dissipation Effects 0.000 abstract description 2
- 239000000178 monomer Substances 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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Abstract
The utility model discloses a kind of high power density low ripple integrated power supply module, comprise input filter circuit, DC/DC translation circuit and output filter circuit.Power module adopts integrated minute chamber screening can structure of aluminum, is divided into three cavitys, and importation cavity comprises input filter capacitor and filter inductance; Power transfer part cavity comprises control, protective circuit and the circuit for power conversion of DC/DC conversion; Output cavity comprises output filter capacitor and filter inductance; DC/DC translation circuit adopts single-end ortho-exciting circuit topology form, and input metal-oxide-semiconductor is selected the IRFR3710Z of three DARK encapsulation use in parallel.The utility model input and output have increased the integrated design of π type filter circuit, reduce extra junction loss, and ripple is low, has good Electro Magnetic Compatibility; Its conversion efficiency is high, good heat dissipation, wide adaptability.
Description
Technical field
The utility model relates to a kind of power module, specifically, relates to a kind of high power density low ripple integrated power supply module.
Background technology
Generally, the high-power isolated DC/DC power module of standard, owing to being subject to volume restrictions, power module inside self is difficult to add common mode filtering measure.When reality is used, be subject to power module self-noise and greatly the equipment of input and output caused to the shortcomings such as interference, need to add common-mode filter at input and output, the noise of filtering self, form modular power supply, as shown in Figure 1, it can meet the basic demand of electromagnetic compatibility, power, technical indicator to its basic principle, but aspect volume, efficiency and reliability, is being not easy to realize optimization.As shown in Figure 1, three independent input filters, DC/DC converter and output filters are not Integrated designs, parameter matching is not very good, like this for guaranteeing that part index number has often increased again extra volume, the matching of monomer and monomer has occurred that Bucket Principle reduces global reliability, and the factors such as having extra junction loss that is connected between monomer and monomer makes that composite type ripple is low, power supply obviously reduces at aspects such as volume, efficiency and reliabilities.
Therefore, although adopt at present power module that compound mode realizes can meet missile-borne and airborne power supply to power index and the low requirement of ripple, but compound mode has been brought the increase of process complexity and cell cube, cause whole efficiency to reduce, the decline of reliability, and volume, weight all obviously increase, be difficult to meet airborne and needs missile-borne.
Utility model content
A kind of high power density low ripple integrated power supply module that the utility model designs in order to solve the problems of the technologies described above just.
The utility model solves the technical scheme that its technical problem adopts:
A high power density low ripple integrated power supply module, comprises input filter circuit, DC/DC translation circuit and output filter circuit.Power module adopts integrated minute chamber screening can structure of aluminum, is divided into three cavitys, and importation cavity comprises input filter capacitor and filter inductance; Power transfer part cavity comprises control, protective circuit and the circuit for power conversion of DC/DC conversion; Output cavity comprises output filter capacitor and filter inductance; DC/DC translation circuit adopts single-end ortho-exciting circuit topology form, and input metal-oxide-semiconductor is selected the IRFR3710Z of three DARK encapsulation use in parallel.
Described high power density low ripple integrated power supply module, the model PQ26-10 magnetic material transformer of the transformer WeiTDK company in its DC/DC translation circuit.
Described high power density low ripple integrated power supply module, the model PTS22.9-10 magnetic material inductance of the inductance WeiTDK company in its DC/DC translation circuit.
Described high power density low ripple integrated power supply module, the common mode inductance in its input filter circuit and output filter circuit adopts ultracrystallite material inductance.
Described high power density low ripple integrated power supply module, integrated minute chamber screening can of its aluminum is of a size of long 76.2mm, wide 63.5mm, high 12.7mm.
It has realized the utility model in the very little situation of volume increase and having raised the efficiency and power density, and consistency, reliability all reach very high request, thereby meets airborne and safe operation missile-borne.Its feature is:
1, the integrated all-metal screening can of module design, input has increased filter circuit with output, has good anti-conduct radiation Electro Magnetic Compatibility;
2, DC/DC inverter power circuit adopts single-end ortho-exciting circuit form, it is few that power module has components and parts, circuit is simple, efficiency is high and reliability is high, input voltage covers DC9-DC80V, and output voltage covers DC3.3V-DC36V(single channel), its power density reaches as high as 93.3W/in3.
3, input and be output as isolation method, isolation voltage is not less than DC500V;
The beneficial effects of the utility model are that power module shell adopts metal shell, and input and output have increased the integrated design of π type filter circuit, reduce extra junction loss, and ripple is low, has good Electro Magnetic Compatibility; Its conversion efficiency is high, good heat dissipation, wide adaptability.
Accompanying drawing explanation
Fig. 1 is its basic principle of modular power supply.
Fig. 2 is the utility model high power density low ripple integrated power supply modular structure block diagram.
Fig. 3 is the utility model high power density low ripple integrated power supply module principle figure.
Fig. 4 is the utility model high power density low ripple integrated power supply module outline drawing.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further illustrated.
As shown in Figures 2 and 3, a kind of high power density low ripple of the utility model integrated power supply module, comprises input filter circuit, DC/DC translation circuit and output filter circuit.Power module adopts integrated minute chamber screening can structure of aluminum, is divided into three cavitys, and importation cavity comprises input filter capacitor and filter inductance; Power transfer part cavity comprises control, protective circuit and the circuit for power conversion of DC/DC conversion; Output cavity comprises output filter capacitor and filter inductance; DC/DC translation circuit adopts single-end ortho-exciting circuit topology form, and input metal-oxide-semiconductor is selected the IRFR3710Z of three DARK encapsulation use in parallel.
Described high power density low ripple integrated power supply module, the model PQ26-10 magnetic material transformer of the transformer WeiTDK company in its DC/DC translation circuit.
Described high power density low ripple integrated power supply module, the model PTS22.9-10 magnetic material inductance of the inductance WeiTDK company in its DC/DC translation circuit.
Described high power density low ripple integrated power supply module, the common mode inductance in its input filter circuit and output filter circuit adopts ultracrystallite material inductance.
As shown in Figure 4, described high power density low ripple integrated power supply module, integrated minute chamber screening can of its aluminum is of a size of long 76.2mm, wide 63.5mm, high 12.7mm.
DC/DC translation circuit adopts single-end ortho-exciting circuit topology form, because its transfer power is 350W, in 76.2*63.5*12.7(unit: mm) realize its high power density under volume, the conversion efficiency of DC/DC converter must be improved.High power density low ripple integrated power supply module is subject to volume restrictions, its input metal-oxide-semiconductor selects IR company to produce tri-(packing forms is DARK) in parallel uses of IRFR3710Z, its single metal-oxide-semiconductor conducting internal resistance is relatively little, can reduce the conduction loss of metal-oxide-semiconductor like this, the efficiency that improves power module, selecting packing forms with general large power, electrically source module is D
2the metal-oxide-semiconductor contrast of ARK, its efficiency has improved 5%.
In DC/DC translation circuit the selection of transformer and inductance to realizing high efficiency, high power density plays a key effect, the model PQ26-10 magnetic material that transformer and inductance are selected respectively TDK company as transformer and model PTS22.9-10 magnetic material as inductance, according to the theory to transformer and inductance, calculate, it is 450W in its peak power output of 300KHz frequency for model PQ26-10 transformer; Model PTS22.9-10 inductance is 400W at its maximum energy storage power of 300KHz frequency, model PQ26-10 transformer is proved in process practice and model PTS22.9-10 inductance can meet the requirement that maximum is exported 350W, the maximum temperature rise of transformer and inductance is 40 degree, meet the designing requirement of transformer and inductance, under the volume of regulation, realize high efficiency, high power density is given security.
To DC/DC converter OVERALL OPTIMIZA-TION DESIGN FOR in high power density low ripple integrated power supply module, the peak efficiency of himself is: 92%, far away higher than the conversion efficiency of other like products, for example: the product of Japanese LAMBDA company, volume is 61*58*12.7(unit: mm), peak power output is 350W, and its peak efficiency is 89%; The product of U.S. VICOR company, volume is 61*58*12.7(unit: mm), peak power output is 250W, and its peak efficiency is 88%.
High power density low ripple integrated power supply module, by input filter, DC/DC converter and output filter integrated design, can avoid the matching of monomer and monomer to occur Bucket Principle, and global reliability is improved; Reducing monomer affects with the factors such as having extra junction loss that is connected between monomer, power module integrated design ripple low (maximum ripple is 30mV), under the volume of regulation, efficiency obviously improves the aspects such as (integrated design is most effective is 90%), reliability and also obviously improves; Power module adopts metal shell as shielding, has good radioresistance Electro Magnetic Compatibility.
The utility model is not limited to above-mentioned preferred forms, and other any or akin products identical with the utility model that anyone draws under enlightenment of the present utility model, within all dropping on protection range of the present utility model.
Claims (5)
1. a high power density low ripple integrated power supply module, comprises input filter circuit, DC/DC translation circuit and output filter circuit; It is characterized in that: power module adopts integrated minute chamber screening can structure of aluminum, is divided into three cavitys, and importation cavity comprises input filter capacitor and filter inductance; Power transfer part cavity comprises control, protective circuit and the circuit for power conversion of DC/DC conversion; Output cavity comprises output filter capacitor and filter inductance; DC/DC translation circuit adopts single-end ortho-exciting circuit topology form, and input metal-oxide-semiconductor is selected the IRFR3710Z of three DARK encapsulation use in parallel.
2. high power density low ripple integrated power supply module according to claim 1, is characterized in that: the model PQ26-10 magnetic material transformer of the transformer WeiTDK company in DC/DC translation circuit.
3. high power density low ripple integrated power supply module according to claim 1, is characterized in that: the model PTS22.9-10 magnetic material inductance of the inductance WeiTDK company in DC/DC translation circuit.
4. high power density low ripple integrated power supply module according to claim 1, is characterized in that: the common mode inductance in input filter circuit and output filter circuit adopts ultracrystallite material inductance.
5. high power density low ripple integrated power supply module according to claim 1, is characterized in that: integrated minute chamber screening can of aluminum is of a size of long 76.2mm, wide 63.5mm, high 12.7mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420347592.XU CN203967981U (en) | 2014-06-27 | 2014-06-27 | High power density low ripple integrated power supply module |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420347592.XU CN203967981U (en) | 2014-06-27 | 2014-06-27 | High power density low ripple integrated power supply module |
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| CN203967981U true CN203967981U (en) | 2014-11-26 |
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| CN201420347592.XU Expired - Lifetime CN203967981U (en) | 2014-06-27 | 2014-06-27 | High power density low ripple integrated power supply module |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105553251A (en) * | 2016-02-02 | 2016-05-04 | 航天长峰朝阳电源有限公司 | Secondary power supply converter with electromagnetic compatibility module |
| CN111181410A (en) * | 2020-03-06 | 2020-05-19 | 深圳英飞源技术有限公司 | Bidirectional conversion circuit for reducing ripple current of electrolytic capacitor |
-
2014
- 2014-06-27 CN CN201420347592.XU patent/CN203967981U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105553251A (en) * | 2016-02-02 | 2016-05-04 | 航天长峰朝阳电源有限公司 | Secondary power supply converter with electromagnetic compatibility module |
| CN111181410A (en) * | 2020-03-06 | 2020-05-19 | 深圳英飞源技术有限公司 | Bidirectional conversion circuit for reducing ripple current of electrolytic capacitor |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141126 |