CN210780575U - Ultrahigh-power density transformer rectifier - Google Patents
Ultrahigh-power density transformer rectifier Download PDFInfo
- Publication number
- CN210780575U CN210780575U CN201922112759.XU CN201922112759U CN210780575U CN 210780575 U CN210780575 U CN 210780575U CN 201922112759 U CN201922112759 U CN 201922112759U CN 210780575 U CN210780575 U CN 210780575U
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- Prior art keywords
- rectifier
- casing
- fin
- transformer
- power density
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- 238000013016 damping Methods 0.000 claims abstract description 16
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000000741 silica gel Substances 0.000 claims abstract description 9
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 9
- 230000017525 heat dissipation Effects 0.000 claims abstract description 6
- 238000004804 winding Methods 0.000 claims description 25
- 238000012856 packing Methods 0.000 claims description 8
- 239000003990 capacitor Substances 0.000 claims description 7
- 238000013461 design Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 230000009466 transformation Effects 0.000 abstract 3
- 238000000034 method Methods 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000004642 Polyimide Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920001721 polyimide Polymers 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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Abstract
The utility model discloses an ultrahigh power density voltage transformation rectifier, including casing and setting and the inside voltage transformation rectifier circuit of casing, the voltage transformation rectifier circuit is integrated modularization setting on the inside circuit board of casing, the below of circuit board is fixed with heat conduction silica gel, heat conduction silica gel passes through the veneer to be fixed on the fin, the heat dissipation channel one end of fin is equipped with radiator fan, radiator fan fixes on the lateral wall of casing, the louvre has evenly been seted up on the casing lateral wall of the heat dissipation channel other end of fin. The utility model discloses a modular design, the modularization is integrated on the implementation of rectification function, can effectually alleviate the weight of rectifier, has installed damping device moreover additional to the fin of rectifier, can improve the life of fin greatly, guarantees the radiating effect.
Description
Technical Field
The utility model relates to a AC/C changes power technical field specifically is a super high power density transformer rectifier.
Background
According to aircraft demand and technical development, secondary power system framework is rationally designed, satisfies system security requirement, reduces system's weight, improves system security: the resources of a secondary power supply system are reasonably configured, a reasonable power supply system is selected, the efficiency of an energy supply system is improved, and the weight of the system is reduced: the basic reliability and the durability of the system are improved, so that the requirement of high task reliability in long endurance is met: in an aircraft power supply system in which a main power supply is an ac power supply, a dc secondary power supply is indispensable for supplying power to dc power-consuming devices such as a radio communication device, a radar device, a navigation driving device, a control and protection device, a relay, a signal device, and a dc motor, and therefore, a high-power and high-reliability technology of a transformer rectifier as a main power supply of a dc secondary power supply is an inevitable trend in development.
The existing transformer rectifier is large in size and heavy in weight, and environment-friendly ventilation and air cooling are additionally provided on the airplane, so that the load of the airplane is increased.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a not enough to prior art, the utility model provides a super high power density vary voltage rectifier adopts the modularized design, and the modularization is gone up in the implementation of rectification function, can effectually alleviate the weight of rectifier, has installed damping device additional to the fin of rectifier moreover, can improve the life of fin greatly, guarantees the radiating effect.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: including the casing with set up with the inside voltage rectifier circuit of casing, voltage rectifier circuit is integrated modularization and sets up on the inside circuit board of casing, the below of circuit board is fixed with heat conduction silica gel, heat conduction silica gel passes through the veneer to be fixed on the fin, the heat dissipation channel one end of fin is equipped with radiator fan, radiator fan fixes on the lateral wall of casing, the louvre has evenly been seted up on the casing lateral wall of the heat dissipation channel other end of fin, the both sides of fin are connected on the lateral wall of casing.
Preferably, two connecting parts are symmetrically fixed on two sides of the heat sink, the end parts of the connecting parts are inserted into the side wall of the shell, and a damping device is further mounted on the outer side of the end parts of the connecting parts.
Preferably, connecting portion are the spliced pole, damping device is the rubber packing ring, the rubber packing ring is inlayed and is fixed on the lateral wall of casing, the tip of spliced pole insert the rubber packing ring and with the inner wall interference fit of rubber packing ring.
Preferably, connecting portion are the long draw runner that the level set up, the tip of long draw runner is equipped with the horizontal slide hole parallel with the casing lateral wall, sliding connection has horizontal slide bar in the slide hole, horizontal slide bar's both ends are fixed on the inner wall of balladeur train, the cover of symmetry is equipped with first damping spring on the horizontal slide bar of long draw runner both sides, has seted up vertical groove on the lateral wall of casing, the vertical slip setting of balladeur train is in vertical inslot, the back of balladeur train is equipped with vertical slide hole, sliding connection has vertical slide bar in the vertical slide hole, the both ends of vertical slide bar are fixed on the cell wall of vertical groove, the cover of symmetry is equipped with second damping spring on the vertical slide bar of the upper and lower both sides of balladeur train.
Preferably, the circuit board is provided with a transformer, a rectifier and a filter capacitor, the iron core of the transformer is made of a high-magnetic-flux-density material, the lead is wrapped with a copper wire by a polyimide composite film, and the whole insulation is free of paint and adopts a new process.
Preferably, the transformer is a three-phase three-winding transformer, the primary side windings of the transformer are connected in a star shape, the two secondary side windings of the transformer are connected in a triangle shape and a star shape respectively and supply power to the two groups of rectifier bridges respectively, and the turn ratio of the primary side windings to the secondary side windings is equal to that of the two groups of rectifier bridges
Preferably, the rectifier comprises two groups of three-phase bridge rectifiers, two secondary side windings are respectively and electrically connected with one three-phase bridge rectifier, and the two three-phase bridge rectifiers are connected in parallel and then connected in series with the filter capacitor.
(III) advantageous effects
The utility model discloses possess following beneficial effect:
(1) the utility model discloses a modular design, the modularization is integrated on the implementation of rectification function, can effectually alleviate the weight of rectifier, has installed damping device moreover additional to the fin of rectifier, can improve the life of fin greatly, guarantees the radiating effect:
(2) the utility model discloses a transformer core adopts high magnetic flux density material, wire to adopt polyimide composite film to wind package copper line, whole insulation and do not have the lacquer and adopt new technology, great promotion the power density of product.
Drawings
FIG. 1 is a schematic side sectional view of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1 in accordance with the present invention;
FIG. 3 is a cross-sectional view of C-C of FIG. 2 according to the present invention;
FIG. 4 is a cross-sectional view of another embodiment of the present invention taken at A-A of FIG. 1;
FIG. 5 is a cross-sectional view of B-B of FIG. 4 according to the present invention;
fig. 6 is a schematic circuit diagram of the present invention;
in the figure: 1-transformer, 2-rectifier, 3-output filter capacitor, 4-shell, 5-circuit board, 6-heat conducting silica gel, 7-heat sink, 8-heat dissipation fan, 9-heat dissipation hole, 10-long slide bar, 11-carriage, 12-horizontal slide bar, 13-first damping spring, 14-vertical slide bar, 15-vertical groove, 16-second damping spring, 17-connecting column, 18-rubber gasket.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-6, the utility model provides a technical solution: including casing 4 and setting and the inside transformer rectifier circuit of casing 4, transformer rectifier 2 circuit is integrated modularization and sets up on the inside circuit board 5 of casing 4, the below of circuit board 5 is fixed with heat conduction silica gel 6, heat conduction silica gel 6 is fixed on fin 7 through the veneer, the radiating passage one end of fin 7 is equipped with radiator fan 8, radiator fan 8 is fixed on the lateral wall of casing 4, louvre 9 has evenly been seted up on the 4 lateral walls of casing of the radiating passage other end of fin 7, the both sides of fin 7 are connected on the lateral wall of casing 4.
Specifically, two connecting portions are symmetrically fixed to both sides of the heat sink 7, end portions of the connecting portions are inserted into the side walls of the housing 4, and a damper is further mounted on the outer sides of the end portions of the connecting portions.
Specifically, the connecting portion is a connecting column 17, the damping device is a rubber gasket 18, the rubber gasket 18 is embedded and fixed on the side wall of the shell 4, and the end portion of the connecting column 17 is inserted into the rubber gasket 18 and is in interference fit with the inner wall of the rubber gasket 18.
In order to enable the connecting portion of the heat sink to perform small-range buffering relative to the side wall of the housing, and further achieve the purpose of shock absorption, another shock absorption structure is further provided, specifically, as shown in fig. 4 and 5, the connecting portion is a horizontally arranged long slide bar 10, a horizontal slide hole parallel to the side wall of the housing 4 is arranged at an end portion of the long slide bar 10, a horizontal slide bar 12 is connected in the slide hole in a sliding manner, two ends of the horizontal slide bar 12 are fixed on an inner groove wall of a carriage 11, first shock absorption springs 13 are symmetrically sleeved on the horizontal slide bars 12 at two sides of the long slide bar 10, a vertical groove 15 is arranged on the side wall of the housing 4, the carriage 11 is vertically and slidably arranged in the vertical groove 15, a vertical slide hole is arranged at the back of the carriage 11, a vertical slide bar 14 is connected in the vertical slide hole in a sliding manner, two ends of the vertical slide bar 14 are fixed on a, and the vertical sliding rods 14 on the upper side and the lower side of the sliding frame 11 are symmetrically sleeved with second damping springs 16.
The utility model discloses still adopt the integrated rectifier design, as shown in fig. 6, particularly, be provided with transformer 1, rectifier 2 and output filter capacitor 3 on the circuit board 5.
Specifically, the transformer 1 adopts a three-phase three-winding transformer 1, wherein primary side windings of the transformer are connected in a star shape, two secondary side windings of the transformer are connected in a triangle shape and a star shape respectively and supply power to two groups of rectifier bridges respectively, and the turn ratio of the primary side windings to the secondary side windings is equal to that of the secondary side windings
Specifically, the rectifier 2 includes two groups of three-phase bridge rectifiers 2, two secondary side windings are respectively electrically connected to one three-phase bridge rectifier 2, and the two three-phase bridge rectifiers 2 are connected in parallel and then connected in series with the filter capacitor 3.
When the radiating fin is used, the damping devices on the outer sides of the connecting parts on the two sides of the radiating fin 7 can protect the radiating fin 7, so that the service life of the radiating fin 7 is prolonged;
when the transformer rectifier circuit works, the primary ratio of the primary winding and the secondary winding of the transformer 1 is
Therefore, the values of the voltages of the primary side and the secondary side are equal, the phase voltage generated by the winding of the triangular connection of the secondary side is 30 degrees ahead of the phase voltage generated by the winding of the star connection, the vector phase difference of the voltages of the two groups of rectifier bridges of the voltage of the secondary side is 30 degrees in sequence, the two groups of three-phase voltages are respectively transmitted to the two groups of three-phase bridge rectifiers, and the 28V direct current is output in parallel after the.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides an ultrahigh power density rectifier, includes casing (4) and sets up with the inside rectifier circuit of casing (4), its characterized in that, the rectifier circuit is integrated modularization and sets up on inside circuit board (5) of casing (4), the below of circuit board (5) is fixed with heat conduction silica gel (6), heat conduction silica gel (6) are fixed on fin (7) through the veneer, the heat dissipation channel one end of fin (7) is equipped with radiator fan (8), radiator fan (8) are fixed on the lateral wall of casing (4), louvre (9) have evenly been seted up on the casing (4) lateral wall of the heat dissipation channel other end of fin (7), the both sides of fin (7) are connected on the lateral wall of casing (4).
2. The ultra-high power density transformer rectifier of claim 1, wherein: two connecting parts are symmetrically fixed on two sides of the radiating fin (7), the end parts of the connecting parts are inserted into the side wall of the shell (4), and a damping device is further mounted on the outer side of the end parts of the connecting parts.
3. The ultra-high power density transformer rectifier of claim 2, wherein: connecting portion are spliced pole (17), damping device is rubber packing ring (18), rubber packing ring (18) are inlayed and are fixed on the lateral wall of casing (4), the tip of spliced pole (17) insert rubber packing ring (18) and with the inner wall interference fit of rubber packing ring (18).
4. The ultra-high power density transformer rectifier of claim 2, wherein: the connecting part is a long slide bar (10) which is horizontally arranged, the end part of the long slide bar (10) is provided with a horizontal slide hole which is parallel to the side wall of the shell (4), a horizontal sliding rod (12) is connected in the sliding hole in a sliding way, two ends of the horizontal sliding rod (12) are fixed on the inner groove wall of the sliding frame (11), the horizontal sliding rods (12) at the two sides of the long sliding strip (10) are symmetrically sleeved with first damping springs (13), a vertical groove (15) is arranged on the side wall of the shell (4), the sliding frame (11) is vertically arranged in the vertical groove (15) in a sliding way, the back of the sliding frame (11) is provided with a vertical sliding hole, a vertical sliding rod (14) is connected in the vertical sliding hole in a sliding way, two ends of the vertical sliding rod (14) are fixed on the wall of the vertical groove (15), and second damping springs (16) are symmetrically sleeved on the vertical sliding rods (14) at the upper side and the lower side of the sliding frame (11).
5. The ultra-high power density transformer rectifier of any one of claims 1-4, wherein: the circuit board (5) is provided with a transformer (1), a rectifier (2) and an output filter capacitor (3).
6. The ultra-high power density transformer rectifier of claim 5, wherein: the transformer (1) adopts a three-phase three-winding transformer (1), the primary side windings of the three-phase three-winding transformer are connected in a star shape, the two secondary side windings of the three-phase three-winding transformer are respectively connected in a triangle shape and a star shape and respectively supply power to two groups of rectifier bridges, and the turn ratio of the primary side windings to the secondary side windings is equal to that of the two
7. The ultra-high power density transformer rectifier of claim 6, wherein: the rectifier (2) comprises two groups of three-phase bridge rectifiers (2), two secondary side windings are electrically connected with one three-phase bridge rectifier (2) respectively, and the two three-phase bridge rectifiers (2) are connected in parallel and then connected in series with the filter capacitor (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922112759.XU CN210780575U (en) | 2019-12-01 | 2019-12-01 | Ultrahigh-power density transformer rectifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922112759.XU CN210780575U (en) | 2019-12-01 | 2019-12-01 | Ultrahigh-power density transformer rectifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210780575U true CN210780575U (en) | 2020-06-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922112759.XU Expired - Fee Related CN210780575U (en) | 2019-12-01 | 2019-12-01 | Ultrahigh-power density transformer rectifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210780575U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115188586A (en) * | 2022-07-05 | 2022-10-14 | 宁波新容电器科技有限公司 | Filter capacitor for new energy vehicle-mounted controller |
-
2019
- 2019-12-01 CN CN201922112759.XU patent/CN210780575U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115188586A (en) * | 2022-07-05 | 2022-10-14 | 宁波新容电器科技有限公司 | Filter capacitor for new energy vehicle-mounted controller |
| CN115188586B (en) * | 2022-07-05 | 2023-09-08 | 宁波新容电器科技有限公司 | Filtering capacitor for new energy vehicle-mounted controller |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200616 |