CN110868087A - High-frequency switching power supply voltage transformation rectifying device - Google Patents
High-frequency switching power supply voltage transformation rectifying device Download PDFInfo
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- CN110868087A CN110868087A CN201911295387.7A CN201911295387A CN110868087A CN 110868087 A CN110868087 A CN 110868087A CN 201911295387 A CN201911295387 A CN 201911295387A CN 110868087 A CN110868087 A CN 110868087A
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- heat dissipation
- power supply
- voltage transformation
- switching power
- frequency switching
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/003—Constructional details, e.g. physical layout, assembly, wiring or busbar connections
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/20909—Forced ventilation, e.g. on heat dissipaters coupled to components
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/20936—Liquid coolant with phase change
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Power Engineering (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses a high-frequency switching power supply voltage transformation rectifying device which comprises a shell, wherein a bottom plate is fixedly connected to the inner side wall of the shell through a connecting plate, the bottom plate is provided with a voltage transformation rectifying device, the voltage transformation rectifying device comprises an electromagnetic core, an input coil is wound at the center of the electromagnetic core, output coils are wound on two sides of the electromagnetic core, the input coil is connected with an input rectifying circuit, an output rectifying circuit is arranged on the output coil, a liquid cooling radiating device is arranged on the inner side wall of the shell, the liquid cooling radiating device comprises a plurality of vertically arranged heat conducting pipes, and radiating media are placed in the heat conducting pipes. The high-frequency switching power supply voltage transformation rectifying device is simple in structure, good in heat dissipation effect and high in reliability.
Description
Technical Field
The invention relates to the technical field of power supply voltage transformation and rectification, in particular to a high-frequency switching power supply voltage transformation and rectification device.
Background
The high-power high-frequency switch power supply adopts a multi-machine parallel connection mode, uses a high-quality inlet IGBT as a main power device, uses an ultracrystalline soft magnetic alloy material as a main voltage-regulating rectifier iron core, adopts a multi-ring control technology for a main control system, structurally adopts a salt mist-proof acidification measure, has a reasonable structure and strong reliability, and becomes an updating product of a silicon controlled rectifier power supply with excellent performances of small volume, light weight, high efficiency and high reliability. The transformation rectifying device of the high-power high-frequency switching power supply has the advantages that the current is large, the frequency is high, the phenomenon of serious heating can occur in the working process, the circuit or the device can be burnt out due to overhigh temperature, the normal work of the switching power supply is influenced, and most of the transformation rectifying devices of the high-power high-frequency switching power supply do not overcome the defect of poor heat dissipation effect. Therefore, a new high-frequency switching power supply transformer rectifying device is needed to overcome the above-mentioned drawbacks.
Disclosure of Invention
The present invention is directed to a high-frequency switching power supply transformer and rectifier apparatus, so as to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a high frequency switching power supply vary voltage fairing, includes the casing, through connecting plate fixedly connected with bottom plate on the casing inside wall, the bottom plate sets up installs vary voltage fairing, vary voltage fairing includes the electromagnetic core, the center of electromagnetic core is around being equipped with input coil, and the both sides of electromagnetic core are around being equipped with output coil, be connected with input rectifier circuit on the input coil, be provided with output rectifier circuit on the output coil, be provided with liquid cooling heat abstractor on the inside wall of casing, liquid cooling heat abstractor includes the heat pipe of a plurality of vertical settings, the heat-radiating medium has been placed in the heat pipe.
Preferably, the shell comprises a vertical cylinder, the upper end and the lower end of the vertical cylinder are provided with openings, the bottom of the vertical cylinder is provided with a mounting seat, and the top of the vertical cylinder is provided with an arc opening which is opened outwards.
Preferably, the upper end of the heat conduction pipe is tightly attached to the upper surface of the arc opening, and the semiconductor refrigeration sheet in contact with the heat conduction pipe is arranged on the upper surface of the arc opening.
Preferably, the bottom of the heat conduction pipe is provided with an expansion end.
Preferably, the outer side wall of the shell is provided with a radiating fin radiating device, the radiating fin radiating device comprises a plurality of radiating aluminum fins, and the radiating aluminum fins are wound on the outer side of the shell.
Preferably, the bottom of the vertical cylinder is provided with a fan heat dissipation device, the fan heat dissipation device comprises a heat dissipation fan, a mounting plate is fixedly connected to the inner side wall of the vertical cylinder, and the heat dissipation fan is arranged and mounted on the mounting plate.
Compared with the prior art, the invention has the beneficial effects that: in the invention, the input rectifying circuit rectifies the current input by the power supply into the voltage transformation rectifying device, the output rectifying circuit rectifies the current output by the voltage transformation rectifying device, the liquid heat-radiating medium in the heat-conducting pipe absorbs the heat generated by the operation of the voltage transformation rectifying device and evaporates, the heat rises in the heat-conducting pipe after being evaporated, and the heat rises to the top and is condensed to flow back to the bottom of the heat-conducting pipe again. The mounting seat is used for fixedly mounting the device, and the upper end and the lower end of the vertical cylinder are provided with openings so that the heat generated by the voltage transformation rectifying device can be taken away by the air flow. The semiconductor refrigeration piece accelerates the condensation of the heat dissipation medium after evaporation, and the arc-shaped plate-shaped structure with the arc opening can provide a larger area for mounting the semiconductor refrigeration piece and is beneficial to the rapid backflow of the heat dissipation medium condensed in the heat conduction pipe. The expansion end can increase the storage capacity of the heat dissipation medium in the heat conduction pipe. The radiating aluminum fins are used for improving the radiating effect of the shell. The heat radiation fan accelerates the flow of air in the vertical cylinder, thereby achieving the effect of accelerating the heat radiation of the voltage transformation rectifying device. The high-frequency switching power supply voltage transformation rectifying device is simple in structure, good in heat dissipation effect and high in reliability.
Drawings
Fig. 1 is a schematic structural diagram of a high-frequency switching power supply voltage transformation rectifying device;
fig. 2 is a partial structural view at K in fig. 1.
In the figure: 1-shell, 2-vertical cylinder, 3-mounting seat, 4-arc opening, 5-radiating fin heat sink, 6-radiating aluminum fin, 7-fan heat sink, 8-radiating fan, 9-liquid cooling heat sink, 10-heat conducting pipe, 11-expansion end, 12-semiconductor refrigeration piece, 13-connecting plate, 14-bottom plate, 15-electromagnetic core, 16-input coil, 17-output coil, 18-input rectification circuit, 19-output rectification circuit and 20-transformation rectification device.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution:
the utility model provides a high frequency switching power supply vary voltage fairing, includes casing 1, through connecting plate 13 fixedly connected with bottom plate 14 on 1 inside wall of casing, bottom plate 14 sets up installs vary voltage fairing 20, vary voltage fairing 20 includes electromagnetic core 15, electromagnetic core 15's center is around being equipped with input coil 16, and electromagnetic core 15's both sides are around being equipped with output coil 17, be connected with input rectifier circuit 18 on the input coil 16, be provided with output rectifier circuit 19 on the output coil 17, be provided with liquid cooling heat abstractor 9 on the inside wall of casing 1, liquid cooling heat abstractor 9 includes the heat pipe 10 of a plurality of vertical settings, heat-radiating medium has been placed in the heat pipe 10.
When the heat pipe is in operation, the input rectifying circuit 18 rectifies the current input from the power supply to the voltage transformation rectifying device 20, the output rectifying circuit 19 rectifies the current output from the voltage transformation rectifying device 20, the liquid heat dissipation medium in the heat pipe 10 absorbs the heat generated by the operation of the voltage transformation rectifying device 20 and evaporates, the heat rises in the heat pipe 10 after being evaporated, and the heat rises to the top and is condensed to flow back to the bottom of the heat pipe 10 again.
Preferably, the housing 1 includes a vertical cylinder 2, the upper end and the lower end of the vertical cylinder 2 are provided with openings, the bottom of the vertical cylinder 2 is provided with a mounting seat 3, and the top of the vertical cylinder 2 is provided with an arc opening 4 which opens outwards.
The mounting seat 3 is used for fixedly mounting the device, and the upper end and the lower end of the vertical cylinder 2 are provided with openings so that the heat generated by the variable-voltage rectifying device 20 can be taken away by the air flow.
Preferably, the upper end of the heat conducting pipe 10 is closely attached to the upper surface of the circular arc opening 4, and the semiconductor chilling plate 12 contacting with the heat conducting pipe 10 is disposed on the upper surface of the circular arc opening 4.
The semiconductor refrigeration piece 12 accelerates the condensation of the evaporated heat dissipation medium, the arc-shaped plate structure of the arc opening 4 can provide a larger area for mounting the semiconductor refrigeration piece 13, and meanwhile, the heat dissipation medium condensed in the heat conduction pipe 10 can flow back quickly.
Preferably, the bottom of the heat conductive pipe 10 is provided with an enlarged end 11.
The enlarged end 11 can increase the storage amount of the heat dissipating medium in the heat conductive pipe 10.
Preferably, a heat sink 5 is disposed on an outer side wall of the housing 1, the heat sink 5 includes a plurality of heat dissipating aluminum fins 6, and the heat dissipating aluminum fins 6 are wound on an outer side of the housing 1.
The heat radiating aluminum fins 6 are used to improve the heat radiation effect of the housing 1.
Preferably, a heat dissipation fan 7 is arranged at the bottom inside the vertical cylinder 2, the heat dissipation fan 7 comprises a heat dissipation fan 8, a mounting plate is fixedly connected to the inner side wall of the vertical cylinder 2, and the heat dissipation fan 8 is arranged and mounted on the mounting plate.
The heat dissipation fan 8 accelerates the flow of air inside the vertical cylinder 2, thereby achieving the effect of accelerating the heat dissipation of the voltage transformation rectifying device 20.
The working principle of the invention is as follows: when the heat pipe is in operation, the input rectifying circuit 18 rectifies the current input from the power supply to the voltage transformation rectifying device 20, the output rectifying circuit 19 rectifies the current output from the voltage transformation rectifying device 20, the liquid heat dissipation medium in the heat pipe 10 absorbs the heat generated by the operation of the voltage transformation rectifying device 20 and evaporates, the heat rises in the heat pipe 10 after being evaporated, and the heat rises to the top and is condensed to flow back to the bottom of the heat pipe 10 again. The mounting seat 3 is used for fixedly mounting the device, and the upper end and the lower end of the vertical cylinder 2 are provided with openings so that the heat generated by the variable-voltage rectifying device 20 can be taken away by the air flow. The semiconductor refrigeration piece 12 accelerates the condensation of the evaporated heat dissipation medium, the arc-shaped plate structure of the arc opening 4 can provide a larger area for mounting the semiconductor refrigeration piece 13, and meanwhile, the heat dissipation medium condensed in the heat conduction pipe 10 can flow back quickly. The enlarged end 11 can increase the storage amount of the heat dissipating medium in the heat conductive pipe 10. The heat radiating aluminum fins 6 are used to improve the heat radiation effect of the housing 1. The heat dissipation fan 8 accelerates the flow of air inside the vertical cylinder 2, thereby achieving the effect of accelerating the heat dissipation of the voltage transformation rectifying device 20.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The utility model provides a high frequency switching power supply vary voltage fairing, includes casing (1), its characterized in that: the transformer rectifier is characterized in that a bottom plate (14) is fixedly connected to the inner side wall of the shell (1) through a connecting plate (13), a transformer rectifier device (20) is installed on the bottom plate (14) in a set mode, the transformer rectifier device (20) comprises an electromagnetic core (15), an input coil (16) is arranged at the center of the electromagnetic core (15) in a winding mode, an output coil (17) is arranged on two sides of the electromagnetic core (15) in a winding mode, an input rectifier circuit (18) is connected onto the input coil (16), an output rectifier circuit (19) is arranged on the output coil (17), a liquid cooling heat dissipation device (9) is arranged on the inner side wall of the shell (1), the liquid cooling heat dissipation device (9) comprises a plurality of vertically arranged heat conduction pipes (10), and heat dissipation.
2. The high-frequency switching power supply voltage transformation rectifying device according to claim 1, wherein: the shell (1) comprises a vertical cylinder (2), the upper end and the lower end of the vertical cylinder (2) are provided with openings, the bottom of the vertical cylinder (2) is provided with a mounting seat (3), and the top of the vertical cylinder (2) is provided with an arc opening (4) which is opened outwards.
3. A high frequency switching power supply voltage transformation rectifying device according to claim 2, characterized in that: the upper end of the heat conduction pipe (10) is tightly attached to the upper surface of the arc opening (4), and a semiconductor refrigeration piece (12) in contact with the heat conduction pipe (10) is arranged on the upper surface of the arc opening (4).
4. The high-frequency switching power supply voltage transformation rectifying device according to claim 1, wherein: the bottom of the heat conduction pipe (10) is provided with an expansion end (11).
5. The high-frequency switching power supply voltage transformation rectifying device according to claim 1, wherein: the heat dissipation structure is characterized in that a heat dissipation fin heat dissipation device (5) is arranged on the outer side wall of the shell (1), the heat dissipation fin heat dissipation device (5) comprises a plurality of heat dissipation aluminum fins (6), and the heat dissipation aluminum fins (6) are wound on the outer side of the shell (1).
6. A high frequency switching power supply voltage transformation rectifying device according to claim 2, characterized in that: the bottom of the interior of the vertical cylinder (2) is provided with a fan heat dissipation device (7), the fan heat dissipation device (7) comprises a heat dissipation fan (8), a mounting plate is fixedly connected to the inner side wall of the vertical cylinder (2), and the heat dissipation fan (8) is arranged and mounted on the mounting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911295387.7A CN110868087A (en) | 2019-12-16 | 2019-12-16 | High-frequency switching power supply voltage transformation rectifying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911295387.7A CN110868087A (en) | 2019-12-16 | 2019-12-16 | High-frequency switching power supply voltage transformation rectifying device |
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| Publication Number | Publication Date |
|---|---|
| CN110868087A true CN110868087A (en) | 2020-03-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911295387.7A Withdrawn CN110868087A (en) | 2019-12-16 | 2019-12-16 | High-frequency switching power supply voltage transformation rectifying device |
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| Country | Link |
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| CN (1) | CN110868087A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111312472A (en) * | 2020-03-30 | 2020-06-19 | 华高电气科技有限公司 | High-frequency switching power supply voltage transformation rectifying device |
-
2019
- 2019-12-16 CN CN201911295387.7A patent/CN110868087A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111312472A (en) * | 2020-03-30 | 2020-06-19 | 华高电气科技有限公司 | High-frequency switching power supply voltage transformation rectifying device |
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Application publication date: 20200306 |