CN112953223B - Four-phase interleaved parallel Buck/Boost direct current converter - Google Patents
Four-phase interleaved parallel Buck/Boost direct current converter Download PDFInfo
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- CN112953223B CN112953223B CN202110278327.5A CN202110278327A CN112953223B CN 112953223 B CN112953223 B CN 112953223B CN 202110278327 A CN202110278327 A CN 202110278327A CN 112953223 B CN112953223 B CN 112953223B
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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
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
- H02M3/158—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
- H02M3/1582—Buck-boost converters
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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
- H05K1/00—Printed circuits
- H05K1/18—Printed circuits structurally associated with non-printed electric 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
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
- H05K7/20145—Means for directing air flow, e.g. ducts, deflectors, plenum or guides
-
- 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
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
Abstract
The invention discloses a four-phase interleaved Buck/Boost direct current converter. The direct current converter comprises a direct current converter case, a power PCB, an interface PCB, an output PCB, a coil inductor, an input/output bus bar, an input/output current equalizing copper bar, a cooling fan, a radiator and the like. The main electrical elements are intensively arranged on the PCB, and all the PCBs are fixed on the radiator; the silicon carbide MOSFET is used as a power device, the silicon carbide MOSFET is tightly attached to the radiator through the silicon carbide MOSFET buckle and the heat dissipation silicone grease sheet, and the heat dissipation air duct and the electrical system are isolated through the isolation plate, so that the heat dissipation system and the overall structure of the direct current converter are better in design, higher in integration level and fewer in interface number. The whole system has the outstanding advantages of high energy density, simple structure, high protection level, strong environmental adaptability, good maintainability and the like.
Description
Technical Field
The invention belongs to the technical field of power electronic equipment and marine battery charging and discharging systems, and particularly relates to a four-phase interleaved Buck/Boost direct-current converter with high power density, high efficiency and high protection level.
Background
With the development of power electronic devices, there are higher demands on the volume and power density of power converters. How to further reduce the volume of the power electronic equipment and improve the power density of the power electronic equipment are always the research hotspots in the power electronic industry. At present, a silicon-based device is mainly used as a main power device of the converter, but because the silicon-based device is limited by heat dissipation and switching frequency, when the direct current converter is designed by utilizing the silicon-based device, a changeable control method and a complex system composition need to be considered, the design of a heat dissipation air duct and the design of a fixed structure need to be fully considered structurally, so that the structure of the direct current converter is complex, the assembly and disassembly are difficult, the whole converter system occupies a large volume, and the power density of the whole converter system is limited. At present, the current transformer designed by using a silicon-based device is not always required under the condition of air cooling, and the power density of the current transformer is about 0.3-2MW/m 3.
In order to make the environmental suitability of power electronic equipment stronger, life is longer. The power electronic equipment puts higher requirements on the protection, shock impact resistance and equipment reliability of the equipment in the overall design process. How to comprehensively consider the device type selection, the equipment structure, the protection grade and the heat dissipation system of the power electronic equipment to ensure that the whole system reaches the optimal power density is an important problem in the design of the direct current converter.
Disclosure of Invention
The invention aims to design a four-phase interleaved Buck/Boost direct-current converter according to the defects of the prior art, and aims to solve the problems of low integration level, difficulty in mounting and dismounting devices, large volume, low power density, high manufacturing cost and the like of the conventional direct-current converter power module.
The technical scheme adopted by the invention for solving the technical problems is as follows: a four-phase staggered parallel Buck/Boost direct current converter comprises a direct current converter case which is composed of a frame, a case cover plate and a fan cover, all devices of the direct current converter are integrated in the case, the frame is formed by integrally and firmly welding a case back plate, a case side plate, a case bottom plate and a case top plate, the upper end of the case back plate is respectively provided with an output anode aerial plug and an output cathode aerial plug which are connected with a load, the lower end of the case back plate is respectively provided with an input anode aerial plug and an input cathode aerial plug which are connected with a power supply, a radiator bearing beam and an isolation plate mounting bracket which are used for expanding mounting and fixing are welded in the frame, a radiating fan and a radiator are mounted on the radiator bearing beam through a substrate, and four power module PCB plates, an interface module PCB plate and an output module PCB plate are sequentially mounted on the substrate, all the devices are welded on a PCB, wiring ports are reduced, the structure is compact, four coil inductors are fixed below a substrate, the structure is compact, and the heating device can effectively dissipate heat, an input port of the power module PCB is respectively connected in parallel with an input positive busbar and an input negative busbar through an input positive current-equalizing copper bar and an input negative busbar, the input positive busbar and the input negative busbar are respectively connected with an input positive aerial-inserting device and an input negative aerial-inserting device, an output negative terminal of the power module PCB is connected with an output negative busbar, the interface module PCB is connected with a communication control electric connector through a flat cable to be connected with a control signal, a control line formed by the flat cable is fixed by a signal control line binding fastener, a main power output terminal of the output module PCB is connected in parallel with an output negative busbar and an output positive busbar through an output negative current-equalizing copper bar and an output positive current-equalizing row, the output negative electrode busbar and the output positive electrode busbar are fixedly connected with the radiator through insulators, the output negative electrode busbar and the output positive electrode busbar are respectively connected with the output negative electrode aerial plug and the output positive electrode aerial plug, and windings at two ends of the coil inductor are respectively connected with the positive electrode output port of the power module PCB and the output positive electrode busbar.
The four-phase interleaved Buck/Boost direct current converter is characterized in that four power module PCB boards are identical in composition and comprise MOSFET power devices and driving boards thereof, bus supporting capacitors, discharging resistors and film capacitors.
Furthermore, the MOSFET power device is fixed on the radiator through the MOSFET buckle, and the heat is dissipated between the MOSFET power device and the radiator through the heat dissipation silicone grease sheet.
The four-phase interleaved Buck/Boost direct current converter comprises an interface module PCB (printed Circuit Board) which comprises an 18pin communication terminal interface, two 24v power interfaces and two PWM (pulse-Width modulation) speed regulation interface terminals, and utilizes 0.8mm2The flexible wire is connected with the communication control electric connector.
The output module PCB of the four-phase interleaved Buck/Boost direct current converter comprises four relay control signal line interfaces, four current Hall signal line interfaces and two power supply anti-reverse monitoring signal line interfaces, and 0.8m is utilizedm2The flexible wire is connected with the communication control electric connector.
The four-phase staggered parallel Buck/Boost direct current converter is characterized in that four coil inductors are provided, each coil inductor comprises an inductor box fixed on a chassis back plate and a coil which is placed in the inductor box and then subjected to glue filling treatment, and five 58083 magnetic cores are connected in parallel.
Eight radiating fans of the four-phase staggered parallel Buck/Boost direct current converter are arranged, and the radiating fans are installed through a fan installation support in an expanding mode to radiate heat of a radiator.
Furthermore, the input positive busbar, the input negative busbar, the input positive current-equalizing copper bar, the input negative current-equalizing copper bar and the fan are isolated by a polycarbonate input busbar isolation plate, so that the circuit module is not interfered by external environment, and the protection level of the whole equipment is improved.
According to the four-phase staggered parallel Buck/Boost direct-current converter, an input positive busbar is flush with an input positive aerial plug and a power module PCB, an output positive busbar and an output negative busbar are flush with an output positive aerial plug and an output negative aerial plug respectively, and the copper bar is simple in structure, low in manufacturing cost and convenient to install.
According to the four-phase staggered parallel Buck/Boost direct-current converter, a case back plate, case side plates, a case bottom plate, a case top plate and a radiator are made of light aluminum alloy; the chassis cover plate and the fan cover are made of steel plates; the fan cover and the chassis base plate are uniformly provided with vent holes.
The invention has the beneficial effects that:
1, the direct current converter adopts the MOSFET as a power device, so that the direct current converter has smaller integral volume, lighter weight and more convenient connection and assembly;
2, the direct current converter of the invention uniformly arranges the main components on the PCB, so that the integration level of the whole system is higher, the appearance is more beautiful, the power density of the system is higher, and the direct current converter is suitable for market promotion;
3, all components are fixed on a radiator substrate by the direct current converter, the power device MOSFET is tightly attached to the substrate through the silica gel sheet and the buckle, and the coil inductor is arranged at the tail of the radiator fin, so that the structure is more compact, and the cooling efficiency of the device is higher;
4, the direct current converter of the invention utilizes the isolation plate to isolate the heat dissipation air duct from the electrical system, thus leading the protection grade of the system to be higher and the environmental suitability to be better.
Drawings
FIG. 1 is a circuit topology of the DC converter of the present invention;
FIG. 2 is a front view of the DC converter of the present invention;
FIG. 3 is a left side view of the DC converter of the present invention;
FIG. 4 is a top view of the DC converter of the present invention;
FIG. 5 is a bottom view of the DC converter of the present invention;
FIG. 6 is a front view of the present invention with the top plate of the DC converter hidden;
FIG. 7 is a left side view of the present invention with the DC converter left side plate and the DC converter top plate hidden;
FIG. 8 is a top view of the present invention with the DC converter backplane concealed;
FIG. 9 is a bottom view of the present invention with the top plate of the DC converter and the fan cover removed;
fig. 10 is an isometric view of a heat dissipation system of the present invention.
The figures are numbered: 1-case back plate, 2-input positive aerial plug, 3-case cover plate, 4-output positive aerial plug, 5-communication control electric connector, 6-direct current converter case wall hanging mounting hole, 7-fan cover, 8-input negative aerial plug, 9-output negative aerial plug, 10-case bottom plate, 11-case cover plate fixing hole, 12-radiator fixing hole, 13-communication control electric connector fixing hole, 14-output aerial plug fixing hole, 15-case side plate, 16-input aerial plug fixing hole, 17-case top plate, 18-radiator, 19-input busbar separator, 20-input positive busbar, 21-input positive current-equalizing copper bar, 22-input negative current-equalizing copper bar, 23-power module PCB plate, 24-interface module PCB plate, 25-output module PCB plate, 26-output negative current-equalizing copper bar, 27-output negative busbar, 28-output positive current-equalizing bar, 29-signal control line binding wire fixing buckle, 30-output positive busbar, 31-insulator, 32-coil inductor, 33-input negative busbar, 34-isolation plate mounting bracket, 35-fan mounting bracket, 36-fan, 37-radiator bearing beam, 38-MOSFET power device, and 39-MOSFET buckle.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 to 10, the present invention provides a dc converter with better structure, higher integration level, convenient maintenance, high power density and high protection level, which aims at the problems of the dc converter, and comprises a dc converter cabinet composed of a frame, a cabinet cover plate 3 fixed to the frame by bolts, and a fan cover 7, wherein the cabinet cover plate 3 is provided with a cabinet cover plate fixing hole 11, all the components of the dc converter are integrated in the cabinet, and is mounted on a use place by hanging bolts through a cabinet hanging mounting hole 6 of the dc converter, wherein the upper end of the cabinet back plate 1 is further provided with an output anode aerial plug 4 and an output cathode aerial plug 9, the lower end is provided with an input anode aerial plug 2 and an input cathode aerial plug 8, the power is connected to the power supply through the input anode aerial plug 2 and the input cathode aerial plug 8, and is connected to a load through the output anode aerial plug 4 and the output cathode aerial plug 9, the frame is formed by integrally and firmly welding a case back plate 1, a case side plate 15, a case bottom plate 10 and a case top plate 17, a radiator bearing beam 37 and a partition plate mounting bracket 34 for expanding, mounting and fixing are welded in the frame, the radiator bearing beam 37 and a radiator 18 are mounted on the radiator bearing beam 37 through a base plate, the case side plate 15 is correspondingly provided with a radiator fixing hole 12, and the base plate is sequentially provided with four power module PCB plates 23, An interface module PCB board 24 and an output module PCB board 25, all the devices are welded on the PCB board, the structure is compact, 4 coil inductors 32 are fixed under the base board, the structure is compact, and the heating components can be effectively radiated, the input port of the power module PCB board 23 is respectively connected in parallel with an input positive busbar 20 and an input negative busbar negative 33 through an input positive current-equalizing copper bar 21 and an input negative current-equalizing copper bar 22, the output negative port of the power module PCB board 23 is connected with an output negative busbar 27, the interface module PCB board 24 is connected with a communication control electric connector 5 through a flat cable at the upper end of a chassis backboard 1 to be connected with a control signal, a control line composed of the flat cables is fixed by a signal control line binding fastener 29, the main electrical output terminal of the output module PCB board 25 is connected in parallel with an output negative busbar 27 and an output positive busbar 30 through an output negative copper bar 26 and an output positive current-equalizing copper bar 28, the output cathode busbar 27 and the output anode busbar 30 are fixedly connected with the radiator 18 through an insulator 31, and two ends of the coil inductor 32 are wound and connected with the anode output port of the power module PCB 23 and the output anode busbar 30 respectively.
The power module PCB 23 has four pieces with the same composition, and is composed of a MOSFET power device 38 and a driving board thereof, a bus support capacitor, a discharge resistor, a film capacitor, and the like. The MOSFET power device 38 is fixed on the radiator 18 through the MOSFET buckle 39, the C3M0021120K is selected, and heat dissipation is optimized between the MOSFET power device 38 and the radiator 18 by using a heat dissipation silicone grease sheet, so that the vibration and impact resistance and the heat dissipation performance of the power device are improved.
The interface module PCB 24 comprises an 18pin communication terminal interface, two 24v power interfaces and two PWM speed regulation interface terminals, and all the terminals utilize 0.8mm2The flexible wire is connected with a communication control electric connector 5 on the box body.
The output module PCB 25 comprises four relay control signal line interfaces, four current Hall signal line interfaces and two power supply anti-reverse monitoring signal line interfaces, and all the signal interfaces utilize 0.8mm2The flexible wire is connected with a communication control electric connector 5 on the box body.
The four coil inductors 32 are composed of four coil inductors 32 and an inductor box, the coil inductors are arranged in the inductor box and then are subjected to glue filling treatment, the inductor box is fixed on the back plate of the case, the upper end of the inductor box is sealed and fixed by the base plate of the radiator 18, and the high vibration and impact resistance is achieved.
The magnetic cores are five 58083 magnetic cores connected in parallel, and the winding wire is 1.6mm in diameter2The 3 strands of copper wires are wound to form the insulated copper wire, and the wound inductor has the outer diameter of 45mm, the inner diameter of 15mm and the length of 85 mm.
The center of the inductance box of the four coil inductors 32 is provided with a ventilation hole, the aluminum bar is used for sealing in the glue filling process, the fixing glue is prevented from overflowing, the aluminum bar is drawn out after the fixing glue is formed to form the central ventilation hole, the heat dissipation of the inductor is facilitated, and the upper end of the inductance box is provided with a wiring groove, so that the coil can be led out of a wiring terminal conveniently.
The base plate and the fins of the radiator 18 are designed by comprehensively considering the power loss and the size of the inductor, eight radiating fans 36 are adopted for radiating, and eight fans 36 are installed by utilizing the fan installation support 35 in an expanding mode to radiate heat for the radiator 18. The input busbar (the input positive busbar 20, the input negative busbar 33, the input positive current-equalizing copper bar 21 and the input negative current-equalizing copper bar 22) is isolated from the fan 36 by the polycarbonate input busbar isolating plate 19, so that the circuit module is not interfered by external environment, and the protection level of the whole equipment is improved. Utilize fan shroud 7 to protect the fan simultaneously, fan shroud 7 is fixed in on the quick-witted case through the bolt, conveniently dismantles the maintenance fan.
Wherein the design of the input positive busbar 20, the input negative busbar 33, the output negative busbar 27, the output positive busbar 30, the input positive current-equalizing copper bar 21, the input negative current-equalizing copper bar 22, the output negative current-equalizing copper bar 26 and the output positive current-equalizing copper bar 28 fully considers the electric gap and the creepage distance, the height space is fully utilized, the input positive busbar 20 is flush with the input positive aerial plug 2 and the power module PCB 23, the output positive busbar 30 and the output negative busbar 27 are flush with the output positive aerial plug 4 and the output negative aerial plug 9 respectively, the copper bar is simple in structure, the manufacturing cost is low, and the installation is convenient.
The chassis back plate 1, the chassis side plate 15, the chassis bottom plate 10, the chassis top plate 17 and the radiator 18 are made of light 6061 aluminum alloy, the plate thickness is 5mm, and the plate thickness is subjected to natural color anodic oxidation treatment; the case cover plate 3 and the fan cover 7 are made of Q235 steel plates, and the plate thicknesses are 1.5 mm; the fan cover 7 and the chassis base plate 10 are uniformly provided with vent holes; through three aspects of material selection, structural design and manufacturing process, the whole light weight of the direct current converter is realized while the structural strength is ensured.
The above-described embodiments are merely illustrative of the principles and effects of the present invention, and some embodiments may be applied, and it will be apparent to those skilled in the art that various changes and modifications may be made without departing from the inventive concept of the present invention, and these embodiments are within the scope of the present invention.
Claims (10)
1. The utility model provides a four looks crisscross parallelly connected Buck/Boost direct current converter, includes by the frame, through bolt fastening in the case apron (3) of frame and the direct current converter machine case that fan shroud (7) constitute, the frame form by case backplate (1), case curb plate (15), chassis bottom plate (10) and case roof (17) welding, its characterized in that: the chassis back plate (1) is provided with an output anode aerial plug (4) and an output cathode aerial plug (9) which are connected to a load at the upper end respectively, an input anode aerial plug (2) and an input cathode aerial plug (8) which are connected to a power supply at the lower end respectively, a radiator bearing beam (37) and a partition plate mounting bracket (34) are welded inside the frame, a radiating fan (36) and a radiator (18) are installed on the radiator bearing beam (37) through a substrate, a power module PCB (23), an interface module PCB (24) and an output module PCB (25) are further sequentially installed on the substrate, a coil inductor (32) is fixed below the substrate, an input port of the power module PCB (23) is connected in parallel with an input anode busbar (20) and an input cathode busbar (33) through an input anode current-equalizing copper bar (21) and an input cathode copper bar (22) respectively, the power module comprises an input positive busbar (20) and an input negative busbar (33), wherein the input positive busbar (20) and the input negative busbar (33) are respectively connected with an input positive aerial plug (2) and an input negative aerial plug (8), an output negative port of a power module PCB (23) is connected with an output negative busbar (27), an interface module PCB (24) is connected with a communication control electric connector (5) through a flat cable to access a control signal, a main electric output terminal of the output module PCB (25) is connected with an output negative busbar (27) and an output positive aerial plug (30) in parallel through an output negative current-equalizing copper bar (26) and an output positive current-equalizing bar (28), the output negative busbar (27) and the output positive busbar (30) are fixedly connected with a radiator (18) through insulators (31), the output negative busbar (27) and the output positive busbar (30) are respectively connected with the output negative aerial plug (9) and the output positive aerial plug (4), and two ends of a coil inductor (32) are respectively connected with an output positive electrode of the power module PCB (23) The port and the output positive electrode busbar (30).
2. The Buck/Boost direct-current converter with four interleaved phases according to claim 1, wherein the power module PCB board (23) has four blocks with the same composition and is composed of MOSFET power devices (38) and driving boards thereof, bus supporting capacitors, discharging resistors and film capacitors.
3. A four-phase interleaved Buck/Boost dc converter as claimed in claim 2, wherein said MOSFET power device (38) is fixed to a heat sink (18) by means of MOSFET clips (39), and heat is dissipated between said MOSFET power device (38) and said heat sink (18) by means of heat dissipating silicone grease.
4. The Buck/Boost DC converter according to claim 1, wherein the interface module PCB board (24) comprises 18pin communication terminal interface, two 24v power interfaces and two PWM speed regulation interface terminals, and utilizes 0.8mm2The flexible wire is connected with the communication control electric connector (5).
5. The four-phase interleaved parallel Buck/Boost dc converter according to claim 1, wherein the output module PCB board (25) includes four relay control signal line interfaces, four current hall signal line interfaces, and two power supply anti-reverse monitoring signal line interfaces, utilizing 0.8mm2The flexible wire is connected with the communication control electric connector (5).
6. The four-phase interleaved Buck/Boost direct current converter according to claim 1, wherein four coil inductors (32) are formed by an inductor box fixed on the chassis back plate (1) and a coil placed in the inductor box.
7. A four-phase interleaved Buck/Boost dc converter as claimed in claim 1, wherein eight of said heat dissipation fans (36) are mounted by fan mounting brackets (35) to extend to a heat sink (18) for heat dissipation.
8. The four-phase interleaved Buck/Boost direct-current converter according to claim 7, wherein the input positive busbar (20), the input negative busbar (33), the input positive current-equalizing copper bar (21), the input negative current-equalizing copper bar (22) and the fan (36) are isolated from each other by a polycarbonate input busbar isolation plate (19).
9. The four-phase interleaved Buck/Boost direct-current converter according to claim 1, wherein the input positive busbar (20) is flush with the input positive aerial insert (2) and the power module PCB (23), and the output positive busbar (30) and the output negative busbar (27) are flush with the output positive aerial insert (4) and the output negative aerial insert (9), respectively.
10. The four-phase interleaved Buck/Boost direct current converter according to claim 1, wherein the chassis back plate (1), the chassis side plate (15), the chassis bottom plate (10), the chassis top plate (17) and the radiator (18) are made of aluminum alloy; the machine case cover plate (3) and the fan cover (7) are made of steel plates; the fan cover (7) and the chassis bottom plate (10) are uniformly provided with vent holes.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110278327.5A CN112953223B (en) | 2021-03-15 | 2021-03-15 | Four-phase interleaved parallel Buck/Boost direct current converter |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110278327.5A CN112953223B (en) | 2021-03-15 | 2021-03-15 | Four-phase interleaved parallel Buck/Boost direct current converter |
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| Publication Number | Publication Date |
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| CN112953223A CN112953223A (en) | 2021-06-11 |
| CN112953223B true CN112953223B (en) | 2022-03-29 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6606251B1 (en) * | 2002-02-07 | 2003-08-12 | Cooligy Inc. | Power conditioning module |
| CN209516989U (en) * | 2018-12-19 | 2019-10-18 | 上海伊控动力系统有限公司 | A kind of power electronic control system of double IGBT single inverters of parallel current-sharing |
| CN111555652A (en) * | 2020-05-22 | 2020-08-18 | 中国矿业大学 | High-power-density converter and structure based on silicon carbide MOSFET module |
| CN211352620U (en) * | 2019-11-13 | 2020-08-25 | 台达电子企业管理（上海）有限公司 | Layout structure of power converter |
-
2021
- 2021-03-15 CN CN202110278327.5A patent/CN112953223B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6606251B1 (en) * | 2002-02-07 | 2003-08-12 | Cooligy Inc. | Power conditioning module |
| CN209516989U (en) * | 2018-12-19 | 2019-10-18 | 上海伊控动力系统有限公司 | A kind of power electronic control system of double IGBT single inverters of parallel current-sharing |
| CN211352620U (en) * | 2019-11-13 | 2020-08-25 | 台达电子企业管理（上海）有限公司 | Layout structure of power converter |
| CN111555652A (en) * | 2020-05-22 | 2020-08-18 | 中国矿业大学 | High-power-density converter and structure based on silicon carbide MOSFET module |
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| Publication number | Publication date |
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| CN112953223A (en) | 2021-06-11 |
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