CN111313721A - Novel synchronous rectification power supply capable of being connected in parallel - Google Patents
Novel synchronous rectification power supply capable of being connected in parallel Download PDFInfo
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- CN111313721A CN111313721A CN202010244921.8A CN202010244921A CN111313721A CN 111313721 A CN111313721 A CN 111313721A CN 202010244921 A CN202010244921 A CN 202010244921A CN 111313721 A CN111313721 A CN 111313721A
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- 230000001360 synchronised effect Effects 0.000 title claims abstract description 66
- 238000004891 communication Methods 0.000 claims abstract description 39
- 230000017525 heat dissipation Effects 0.000 claims abstract description 30
- 229910000746 Structural steel Inorganic materials 0.000 claims abstract description 7
- 238000003466 welding Methods 0.000 claims abstract description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 15
- 239000010949 copper Substances 0.000 claims description 15
- 229910052802 copper Inorganic materials 0.000 claims description 15
- 230000002093 peripheral effect Effects 0.000 claims description 13
- 238000005516 engineering process Methods 0.000 claims description 6
- 230000033228 biological regulation Effects 0.000 claims description 3
- 239000011810 insulating material Substances 0.000 claims description 2
- 235000000396 iron Nutrition 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 9
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 238000004134 energy conservation Methods 0.000 abstract 1
- 238000012423 maintenance Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000005868 electrolysis reaction Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000012774 insulation material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000000739 chaotic effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005518 electrochemistry Effects 0.000 description 1
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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
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
- H01L23/36—Selection of materials, or shaping, to facilitate cooling or heating, e.g. heatsinks
- H01L23/367—Cooling facilitated by shape of device
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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
- H02M7/02—Conversion of AC power input into DC power output without possibility of reversal
- H02M7/04—Conversion of AC power input into DC power output without possibility of reversal by static converters
- H02M7/12—Conversion of AC power input into DC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/21—Conversion of AC power input into DC power output without possibility of reversal 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
- H02M7/217—Conversion of AC power input into DC power output without possibility of reversal 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
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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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
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- Engineering & Computer Science (AREA)
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Abstract
The invention discloses a novel parallel synchronous rectification power supply, which comprises a power supply control box, a communication control box, a case frame, a synchronous rectification power supply module positioned in the case frame and supporting columns welded at the outer sides of four corners of the case frame 3, wherein the synchronous rectification power supply module comprises a power supply control box, a communication control box, a case frame and a synchronous rectification power supply module; the chassis frame adopts a keel structure mode, the left side is connected with the power supply control box and the communication control box, the lower side edge is welded with right-angle iron, and the shape of the middle part space is matched with the shape of the synchronous rectification power supply module; the top welding point of the support column is provided with a spacing distance from the top of the chassis frame; the synchronous rectification power supply module comprises a control circuit board, two parallel heat dissipation rows, a main transformer, an IGBT module and an MOS tube rectification part. The parallel synchronous rectification power supply can be combined to be a synchronous rectification power supply, and has the advantages of small volume, light weight, energy conservation, environmental protection, high efficiency, stability, reliability, easy power expansion, simple installation and debugging, capability of flexibly combining power supplies with different output powers and the like.
Description
Technical Field
The invention relates to the technical field of synchronous rectification control, in particular to a novel paralleling synchronous rectification power supply.
Background
At present, the society is advancing, the science and technology is developing, and along with the continuous forward progress of time, the technology of the high-frequency switching power supply is also greatly advanced and well developed and applied. In the present society, high-frequency switching power supplies are widely used in the electrochemical industry or in the fields of electrolysis, electromagnetic heating and the like, and play an extremely important role in the development of social economy.
However, in the conventional high-frequency switching power supply, the mounting structure thereof is basically constituted by a case, a transformer, a circuit control board, a rectifying system, a heat dissipating system, and the like. In this structure, the number of rectifiers and the heat generation required for its own power output directly result in the size of the device and the complexity of installation and connection, and the disadvantages and shortcomings are slowly revealed: the components and parts installation is arranged dispersedly, the chaotic unordered connected mode, the schottky rectifier tube or rectifier diode that adopt switches on the pressure drop height, power loss is big, lead to equipment efficiency low and dilatation difficulty, the tie point is many between each device, calorific capacity is big, easy mutual interference, influence, the cooling system radiating effect of complete machine is poor to also can lead to the equipment failure rate to uprise, in actual production use, can not parallel operation dilatation, production cost and maintenance cost have also been increased in the intangible.
Therefore, it is an urgent need of the skilled in the art to provide a novel parallel synchronous rectification power supply that has the advantages of small size, light weight, high efficiency of energy saving and environmental protection, stability and reliability, easy power expansion, simple installation and debugging, and flexible combination of power supplies with different output powers.
Disclosure of Invention
In view of the above, the present invention provides a novel parallel synchronous rectification power supply.
In order to achieve the purpose, the invention adopts the following technical scheme:
a novel parallel operation synchronous rectification power supply comprises a power supply control box, a communication control box, a case frame, a synchronous rectification power supply module positioned in the case frame and support columns welded at the outer sides of four corners of the case frame;
the chassis frame adopts a keel structure mode, the left side of the chassis frame is connected with the power supply control box and the communication control box, the lower side edge of the chassis frame is welded with right-angle iron, and the shape of the middle part space is matched with the shape of the synchronous rectification power supply module; the top welding point of the supporting column is spaced from the top of the chassis frame; the synchronous rectification power supply module comprises two parallel radiating bars, an IGBT module, an MOS tube rectification part and a main transformer; the MOS tube rectifying part comprises a PCB control board, an MOS tube and a connecting copper sheet; the IGBT module is positioned on the outer side of the heat dissipation row on the left side, the main transformer is positioned in the middle of the two heat dissipation rows, one end of the main transformer is fixed on the inner side of the heat dissipation row on the left side and serves as one pole of equipment output, and the other end of the main transformer is connected with the connecting copper sheet and is fixed on the heat dissipation row on the right side in an insulating mode; the MOS tube is fixed on the heat dissipation bar on the right side and serves as the other pole of the output of the equipment; and the D pole and the G pole in the MOS tube are connected with the PCB control board, and the S pole is connected with the connecting copper sheet.
Preferably, the synchronous rectification power supply module further comprises a control circuit board, a drive circuit board of the IGBT module, a peripheral cover plate and a case box, wherein the control circuit board is installed inside the case box, the periphery of the outside of the case box is fixedly sealed by the peripheral cover plate, and the two radiating rows are located on the rear side of the case box.
Preferably, the MOS tube is fixed on the right heat dissipation bar through a fixing screw, and the connecting copper sheet and the right heat dissipation bar are subjected to insulation treatment through an insulation material.
Preferably, the top parts of the four corners of the outer side of the chassis frame are provided with first fixed mounting holes, the bottom of the support column is provided with second fixed mounting holes, and the first fixed mounting holes and the second fixed mounting holes are respectively equal to the top and the bottom of the support column in distance.
Preferably, the communication control box adopts communication technology to carry out output control and regulation on the synchronous rectification power supply module, the communication control box can be detachably fixed on one side of the chassis frame, and is provided with a plurality of groups of communication control interfaces.
Preferably, the communication control box carries out output display and control adjustment through a digitally displayed touch screen, and the touch screen is connected with the communication control box through a shielding wire.
Preferably, the chassis frame and the lower side edge of the synchronous rectification power supply module are respectively provided with a guide rail which is matched with each other.
Preferably, the synchronous rectification power supply module and the chassis frame are fixed through screw holes and bolts on two sides of the front cover plate.
Preferably, the front side of the peripheral cover plate is provided with a handle, and the bottom of the peripheral cover plate is provided with a guide rail.
Preferably, the supporting columns are right-angle irons and are tightly attached to the outer sides of the four corners of the chassis frame.
According to the technical scheme, compared with the prior art, the novel parallel synchronous rectification power supply is combined with the chassis frame type structure, and the novel parallel synchronous rectification power supply equipment capable of working independently is formed by connecting systems such as a communicator, a controller and the like, so that the novel parallel synchronous rectification power supply equipment can be used by a single power supply independently and can also be used by a plurality of power supplies in a superposed parallel connection or a series connection mode. Because the frame structure of the case is designed simply and reasonably, one power supply or a plurality of power supplies are selected to be output in a superposition mode according to the power output, various power supplies with different required powers can be flexibly combined, an 'N + 1' working mode can be realized, and the case is flexible in combination, convenient and practical.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram provided by the present invention.
Fig. 2 is a schematic diagram of the structure splitting provided by the invention.
Fig. 3 is a schematic diagram illustrating a structure of a synchronous rectification power module according to the present invention.
Fig. 4 is a schematic structural diagram of parallel operation in the "N + 1" operation mode provided by the invention.
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.
The embodiment of the invention discloses a novel parallel synchronous rectification power supply, which comprises a power supply control box 1, a communication control box 2, a case frame 3, a synchronous rectification power supply module 4 positioned in the case frame 3 and supporting columns 5 welded at the outer sides of four corners of the case frame 3;
the chassis frame 3 adopts a keel structure mode, the left side is connected with the power control box 1 and the communication control box 2, the lower side edge is welded with right-angle iron, and the shape of the middle part space is matched with the shape of the synchronous rectification power module 4; the top welding point of the support column 5 is spaced from the top of the case frame 3; the synchronous rectification power supply module 4 comprises two parallel radiating bars 8, an IGBT module 9, an MOS tube rectification part 10 and a main transformer 11; the MOS tube rectifying part 10 comprises a PCB control board, an MOS tube and a connecting copper sheet; the IGBT module 9 is positioned on the outer side of the left heat dissipation bar 8, the main transformer 11 is positioned in the middle of the two heat dissipation bars, one end of the main transformer is fixed on the inner side of the left heat dissipation bar 8 and serves as one pole of equipment output, and the other end of the main transformer is connected with a connecting copper sheet and is fixed on the right heat dissipation bar 8 in an insulating manner; the MOS tube is fixed on the right radiating fin 8 and is used as the other pole of the output of the equipment; and the D pole and the G pole in the MOS tube are connected with the PCB control panel, and the S pole is connected with the connecting copper sheet.
In order to further optimize the technical scheme, the synchronous rectification power supply module 4 further comprises a control circuit board, a drive circuit board of the IGBT module 9, a peripheral cover plate 6 and a case box 7, the control circuit board is installed inside the case box 7, the periphery of the outside of the case box 7 is fixedly sealed by the peripheral cover plate 6, and the two heat dissipation rows 8 are located on the rear side of the case box 7.
In order to further optimize the technical scheme, the MOS tube is fixed on the right heat dissipation bar 8 through a fixing screw, and the connecting copper sheet and the right heat dissipation bar 8 are subjected to insulation treatment through an insulation material.
In order to further optimize the technical scheme, the top parts of four corners of the outer side of the chassis frame 3 are provided with a first fixing mounting hole, the bottom of the supporting column 5 is provided with a second fixing mounting hole, and the first fixing mounting hole and the second fixing mounting hole are respectively equal to the top part and the bottom part of the supporting column 5 in distance.
In order to further optimize the technical scheme, the communication control box 2 adopts a 485 communication technology to carry out output control adjustment on the synchronous rectification power supply module 4, the communication control box 2 is detachably fixed on one side of the chassis frame 3, and the communication control box 2 is provided with a plurality of groups of communication control interfaces.
In order to further optimize the technical scheme, the communication control box 2 performs output display and control adjustment through a digitally displayed touch screen, and the touch screen is connected with the communication control box 2 through a shielding wire.
In order to further optimize the above technical solution, the lower side edges of the chassis frame 3 and the synchronous rectification power module 4 are respectively provided with mutually matched guide rails.
In order to further optimize the technical scheme, the synchronous rectification power supply module 4 and the chassis frame 3 are fixed through screw holes and bolts on two sides of the front cover plate.
In order to further optimize the technical scheme, the front side of the peripheral cover plate 6 is provided with a handle, and the bottom of the peripheral cover plate is provided with a guide rail.
In order to further optimize the technical scheme, the supporting columns 5 are right-angle iron and are tightly attached to the outer sides of four corners of the chassis frame 3.
The invention designs a case frame 3 which adopts a lightweight frame structure and is effectively combined with a synchronous rectification power supply module 4 together by utilizing the working principle of a drawer type. The middle part of the case frame 3 is reserved with a hole into which the synchronous rectification power supply module 4 can be placed, and right-angle iron is welded at the lower side edge of the hole and serves as a bottom support and an installation guide rail of the synchronous rectification power supply module 4. The chassis frame 3 is surrounded by keels without installing cover plates, so that the overall weight of the power supply is greatly reduced. The left side of the chassis frame 3 is welded with the power control box 1 and the communication control box 2 which can be movably installed, each device is an independent power supply system, the installation and the maintenance are convenient, the communication control box 2 is movable and detachable, a plurality of groups of communication control interfaces are reserved on the communication control box 2, one device or a plurality of stacked parallel devices can be controlled independently, and the operation is convenient and fast. The four corners outside the chassis frame 3 are welded with right angle iron support columns 5, the support columns 5 are used as ground support of equipment and positioning columns and fixing points when the equipment is superposed and combined, the support columns 5 are welded at the four corners outside the chassis frame 3, a certain spacing distance is designed from the top of the chassis, when the equipment needs to be superposed and combined for use, the four support columns 5 outside the upper equipment are just sleeved on a spacing section reserved when the support columns 5 of the lower equipment are welded, the support columns 5 of the lower equipment are used as the support points and the fixing points of the upper equipment and also used as the positioning points of the spacing distance between the two equipment, the spacing distance between the equipment can be realized by adjusting the positions of the welding support columns 5 according to the actual use condition, the top of the four corners outside the chassis frame 3 is provided with a first fixing mounting hole, and a second fixing mounting hole is arranged below the support column 5, the fixing of the superposed parallel operation power supply can be realized through the fastening bolt.
The synchronous rectification power supply module 4 designed by the invention is a high-efficiency synchronous rectification high-frequency switching power supply capable of operating independently, and mainly comprises a control circuit board, two radiating bars 8, a main transformer 11, an IGBT module 9, an MOS tube rectification part 10, a peripheral cover plate 6, a case box 7 and the like. The case box 7 is used as a main body fixing structure of the power module 4, wraps all the component systems, prevents damage or failure of the synchronous rectification power module 4 caused by external adverse factors, and mainly plays a role in protecting normal work of all components inside the case and isolating the components from the external environment. Two heat dissipation rows 8 are mainly for the radiating of heating element, also are the output of power simultaneously, and two heat dissipation rows are arranged for the heat dissipation aluminium, and the inside water course that has the water of leading to of aluminium row, flow the back by outside water supply, send the inside components and parts of power and be the heat and take away unnecessary heat through the contact surface of two heat dissipation rows 8 for each components and parts can be in the normal work of a good temperature environment. The number of the main transformers 11 can be one or more according to the output power of the equipment, the MOS tube rectifying part 10 can be selectively installed in one or more groups according to the output power of the equipment, so that voltage and current outputs with different powers can be obtained, and the two radiating rows can be aluminum rows or copper rows or other materials with good electric conduction and heat conduction effects.
The MOS tube rectifying part 10 comprises a PCB control plate, an MOS switch tube, a connecting copper sheet, an insulating material and the like, wherein the MOS tube is directly fixed on the heat dissipation bar 8 through a fixing bolt and is used as an output pole of the equipment, a D pole and a G pole in the MOS tube are directly connected onto the PCB control plate, the switch tube is directly controlled to be switched on and switched off by the PCB control plate, and an S pole in the MOS tube is connected onto the connecting copper sheet. All systems in the MOS tube rectifying part 10 are combined together to form a C-shaped structure, so that the installation is simple, and the heat dissipation effect is good.
When the synchronous rectification power supply module 4 is placed into the chassis frame 3, the front cover plate can be directly fixed on the chassis frame 3 through bolts, so that the synchronous rectification power supply module 4 is prevented from being loosened in the chassis frame 3 to cause deformation. Every synchronous rectification power supply module 4 all has independent power supply system and independent operation's communication control system outside the quick-witted case, conveniently maintains and overhauls, and when the power supply of certain synchronous rectification power supply module 4 of disconnection, other synchronous rectification power supply modules 4 still can normal operation work to reach and normally satisfy the production demand and maintain the maintenance equipment without shut down, do not influence production. The invention designs the rectification MOS tube to select the high-performance power MOS tube, has the advantages of small volume, light weight, high switching speed, low on resistance, high efficiency, small heat productivity and the like, reduces the voltage drop loss of the product, greatly improves the overall efficiency of the power supply equipment, and can effectively work stably and reliably for a long time. In the design of the invention, the synchronous rectification power supply module 4 is composed of the above subsystems and is effectively combined with the chassis frame 3.
The communication system is a controller which is independently researched and developed and provided with a plurality of groups of 485/232 communication interfaces, the controller is a touch screen with digital display, the controller is inserted into a communication box through a connecting shielding wire, a 485 communication technology is utilized, in actual use, no matter a single synchronous rectification power supply module 4 or a plurality of superposed parallel machines are used, the communication control box 2 monitors and adjusts the power supply in real time through adjusting output, and various data are displayed through the touch screen, so that people can make adjustment and judgment better, and the controller is intuitive, clear, simple and easy to understand. Each synchronous rectification power supply module 4 is provided with a set of control system capable of operating independently, and operation is not influenced by splitting or overlapping of power supplies.
The parallel synchronous rectification power supply assembly structure has the advantages of small volume, light weight, environmental protection, energy saving, high efficiency, high stability and reliability, integrated and modularized circuit boards, good cooling system effect, few connecting points, small heat productivity, independent work of each part, no interference, simple and rapid power expansion, convenient maintenance and the like. No matter in the electrochemistry trade or in different trades such as electrolysis, electromagnetic heating, can be according to the size of actual required power output, can select a equipment independent operation output power, also can select many power to superpose and do all can the output power, and the parallel operation installation is simple swift, thereby can be quick realize more powerful output, realize can the parallel operation "N + 1" mode, no matter be single power or many power parallel operation use, its energy-conserving effect is unanimous, thereby great optimization the structure of product, the efficiency of installation maintenance has been improved, reduce the maintenance cost of production use and power.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A novel parallel operation synchronous rectification power supply is characterized by comprising a power supply control box (1), a communication control box (2), a case frame (3), a synchronous rectification power supply module (4) positioned in the case frame (3) and support columns (5) welded at the outer sides of four corners of the case frame (3);
the chassis frame (3) adopts a keel structure mode, the left side of the chassis frame is connected with the power supply control box (1) and the communication control box (2), the lower side edge of the chassis frame is welded with right-angle iron, and the shape of the middle space of the chassis frame is matched with that of the synchronous rectification power supply module (4); the top welding point of the supporting column (5) is provided with a spacing distance from the top of the case frame (3); the synchronous rectification power supply module (4) comprises two parallel heat dissipation rows (8), an IGBT module (9), an MOS tube rectification part (10) and a main transformer (11); the MOS tube rectifying part (10) comprises a PCB control board, an MOS tube and a connecting copper sheet; the IGBT module (9) is positioned on the outer side of the heat dissipation bar (8) on the left side, the main transformer (11) is positioned in the middle of the two heat dissipation bars, one end of the main transformer is fixed on the inner side of the heat dissipation bar (8) on the left side and serves as one pole of equipment output, and the other end of the main transformer is connected with the connecting copper sheet and is fixed on the heat dissipation bar (8) on the right side in an insulating mode; the MOS tube is fixed on the right heat dissipation bar (8) and serves as the other pole of equipment output; and the D pole and the G pole in the MOS tube are connected with the PCB control board, and the S pole is connected with the connecting copper sheet.
2. The novel parallel machine synchronous rectification power supply according to claim 1, wherein the synchronous rectification power supply module (4) further comprises a control circuit board, a drive circuit board of the IGBT module (9), a peripheral cover plate (6) and a case (7), the control circuit board is installed inside the case (7), the periphery of the outside of the case (7) is fixedly sealed by the peripheral cover plate (6), and the two heat dissipation rows (8) are located on the rear side of the case (7).
3. The novel parallel machine synchronous rectification power supply according to claim 1, wherein the MOS transistor is fixed on the right side heat dissipation bar (8) through a fixing screw, and the connecting copper sheet is insulated from the right side heat dissipation bar (8) through an insulating material.
4. The novel parallel operation synchronous rectification power supply according to claim 1, wherein a first fixing mounting hole is formed in the top of four corners of the outer side of the chassis frame (3), a second fixing mounting hole is formed in the bottom of the supporting column (5), and the first fixing mounting hole and the second fixing mounting hole are respectively equidistant from the top and the bottom of the supporting column (5).
5. The novel parallel operation synchronous rectification power supply as claimed in claim 1, wherein the communication control box (2) adopts 485 communication technology to perform output control regulation on the synchronous rectification power supply module (4), the communication control box (2) is detachably fixed on one side of the chassis frame (3), and the communication control box (2) is provided with a plurality of groups of communication control interfaces.
6. The novel parallel operation synchronous rectification power supply as claimed in claim 1, wherein the communication control box (2) performs output display and control regulation through a digital display touch screen, and the touch screen is connected with the communication control box (2) through a shielded wire.
7. The novel parallel operation synchronous rectification power supply according to claim 1, wherein the chassis frame (3) and the lower side edge of the synchronous rectification power supply module (4) are respectively provided with mutually matched guide rails.
8. The novel parallel operation synchronous rectification power supply according to claim 1, wherein the synchronous rectification power supply module (4) and the chassis frame (3) are fixed by bolts and screw holes on two sides of the front cover plate.
9. The novel parallel operation synchronous rectification power supply according to claim 2 is characterized in that a handle is arranged on the front side of the peripheral cover plate (6), and a guide rail is arranged on the bottom of the peripheral cover plate.
10. The novel power supply capable of synchronous rectification in parallel operation is characterized in that the supporting columns (5) are right-angle irons and are tightly attached to the outer sides of four corners of the chassis frame (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010244921.8A CN111313721B (en) | 2020-03-31 | 2020-03-31 | Synchronous rectification power supply capable of being connected in parallel |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010244921.8A CN111313721B (en) | 2020-03-31 | 2020-03-31 | Synchronous rectification power supply capable of being connected in parallel |
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| Publication Number | Publication Date |
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| CN111313721A true CN111313721A (en) | 2020-06-19 |
| CN111313721B CN111313721B (en) | 2024-08-30 |
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| CN (1) | CN111313721B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011192724A (en) * | 2010-03-12 | 2011-09-29 | Murata Mfg Co Ltd | Composite transformer module |
| WO2012142925A1 (en) * | 2011-04-18 | 2012-10-26 | Shao Zehua | Electric automobile pwm rectification and voltage current transformation pulse charging system |
| CN110198129A (en) * | 2019-06-26 | 2019-09-03 | 洪道绿 | A kind of powerful synchronous rectification high frequency switch power |
| CN110609518A (en) * | 2019-09-12 | 2019-12-24 | 深圳市华成工业控制有限公司 | Industrial robot drive controller |
| CN211429205U (en) * | 2020-03-31 | 2020-09-04 | 佛山力昊电源技术有限公司 | Novel synchronous rectification power supply capable of being connected in parallel |
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2020
- 2020-03-31 CN CN202010244921.8A patent/CN111313721B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011192724A (en) * | 2010-03-12 | 2011-09-29 | Murata Mfg Co Ltd | Composite transformer module |
| WO2012142925A1 (en) * | 2011-04-18 | 2012-10-26 | Shao Zehua | Electric automobile pwm rectification and voltage current transformation pulse charging system |
| CN110198129A (en) * | 2019-06-26 | 2019-09-03 | 洪道绿 | A kind of powerful synchronous rectification high frequency switch power |
| CN110609518A (en) * | 2019-09-12 | 2019-12-24 | 深圳市华成工业控制有限公司 | Industrial robot drive controller |
| CN211429205U (en) * | 2020-03-31 | 2020-09-04 | 佛山力昊电源技术有限公司 | Novel synchronous rectification power supply capable of being connected in parallel |
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| CN111313721B (en) | 2024-08-30 |
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