CN210693780U - Low-impedance water-cooling reversing power supply structure - Google Patents
Low-impedance water-cooling reversing power supply structure Download PDFInfo
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- CN210693780U CN210693780U CN201921569760.9U CN201921569760U CN210693780U CN 210693780 U CN210693780 U CN 210693780U CN 201921569760 U CN201921569760 U CN 201921569760U CN 210693780 U CN210693780 U CN 210693780U
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- 238000001816 cooling Methods 0.000 title claims abstract description 49
- 229910052751 metal Inorganic materials 0.000 claims abstract description 59
- 239000002184 metal Substances 0.000 claims abstract description 59
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 27
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 27
- 230000017525 heat dissipation Effects 0.000 claims abstract description 26
- 230000001360 synchronised effect Effects 0.000 claims abstract description 19
- 230000000712 assembly Effects 0.000 claims abstract description 11
- 238000000429 assembly Methods 0.000 claims abstract description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 229910044991 metal oxide Inorganic materials 0.000 claims 1
- 150000004706 metal oxides Chemical class 0.000 claims 1
- 239000004065 semiconductor Substances 0.000 claims 1
- 239000004411 aluminium Substances 0.000 abstract description 9
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
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Abstract
The utility model discloses a low impedance water-cooling switching-over power structure, it includes the power rack, AC/DC power module, MOS pipe parallelly connected switching-over module, first metal sheet, the U-shaped metal sheet, two output metal sheets, through connecting MOS pipe S utmost point and lower bridge arm water-cooling heat dissipation aluminium row on the synchronous rectification unit board as last bridge arm with two MOS pipe parallel assemblies through first metal sheet, constitute a set of half-bridge structure, two sets of half-bridge structures splice into the full-bridge structure through U-shaped metal sheet and AC/DC power module' S anodal output, realize the electrical connection of AC/DC power module output utmost point and full-bridge structure, water-cooling heat dissipation aluminium row undertakes simultaneously and leads to the heat dissipation, can effectively reduce the line impedance and can promote MOS pipe heat-sinking capability again, and realize the parallelly connected drive of a plurality of MOS pipes through synchronous rectification unit board. This utility model is used for the high frequency power field.
Description
Technical Field
The utility model relates to a high frequency power field especially relates to a low impedance water-cooling switching-over power structure.
Background
In the current market, a high-frequency reversing power supply generally adopts a plurality of air cooling structures and has large volume; meanwhile, the current periodic reversing control is poor, manual control is mostly adopted, the time control is poor, the plating layer and the density of a plated part are poor, and the production benefit and the production efficiency are poor.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a compact structure, the low impedance water-cooling switching-over power structure of parallel operation of being convenient for.
The utility model adopts the technical proposal that:
a low impedance water-cooled reversing power supply structure comprises
A power supply cabinet;
an AC/DC power module mounted within a power supply cabinet;
the MOS tube parallel connection reversing module is arranged in the power supply cabinet and comprises four water-cooling MOS tube parallel connection components; the water-cooling MOS tube parallel assembly consists of a plurality of synchronous rectification unit plates, a water-cooling heat dissipation aluminum row and a plurality of elastic pressing sheets;
any two of the four water-cooled MOS tube parallel assemblies are connected through a first metal plate to form two groups of half-bridge structures, one end of the first metal plate is connected with an S pole of an MOS tube on a synchronous rectification unit plate as an upper bridge arm, and the other end of the first metal plate is connected with a water-cooled heat dissipation aluminum bar as a lower bridge arm;
the two groups of half-bridge structures are spliced into a full-bridge structure through the U-shaped metal plates and the positive electrode output end of the AC/DC power supply module, and the output negative electrode of the AC/DC power supply module is connected with the U-shaped metal plates through second metal plates;
and the two output metal plates are respectively connected with the two half bridge structures and are led out of the power supply cabinet through the U-shaped metal plates.
Further conduct the utility model discloses technical scheme's improvement, the power rack is including the quick-witted case of installation AC/DC power module and the organism of the parallelly connected switching-over module of installation MOS pipe, the organism includes skeleton texture and installs the panel on skeleton texture, be provided with the control panel of control AC/DC power module on the machine case.
Further conduct the utility model discloses technical scheme's improvement, first metal sheet, second metal sheet, U-shaped metal sheet, output metal sheet all adopt the copper bar.
Further conduct the utility model discloses technical scheme's improvement, AC/DC power module's anodal output adopts the aluminium to arrange the structure.
Further conduct the utility model discloses technical scheme's improvement, each synchronous rectification cell board connects a plurality of MOS pipes in parallel to a PCB board, each the MOS pipe all has independent drive circuit, and adopts same group control input signal.
Further conduct the utility model discloses technical scheme's improvement, the water-cooling aluminium bar all is provided with the water-cooling hole, the water-cooling hole passes through the water-cooling pipe and connects formation water-cooling circuit, and the D utmost point of each parallelly connected MOS pipe compresses tightly the laminating to the water-cooling aluminium bar through the elasticity preforming and realizes electrical connection and heat dissipation.
The utility model has the advantages that: the low-impedance water-cooling reversing power supply structure comprises a power supply cabinet, an AC/DC power supply module, an MOS tube parallel reversing module, a first metal plate, a U-shaped metal plate and two output metal plates, wherein two MOS tube parallel assemblies are connected with an MOS tube S pole on a synchronous rectifying unit plate serving as an upper bridge arm and a lower bridge arm water-cooling heat dissipation aluminum bar through the first metal plate to form a group of half-bridge structures, the two groups of half-bridge structures are spliced into a full-bridge structure through the U-shaped metal plate and an anode output end of the AC/DC power supply module, the output pole of the AC/DC power supply module is electrically connected with the full-bridge structure, the water-cooling heat dissipation aluminum bar simultaneously undertakes conduction and heat dissipation, line impedance can be effectively reduced, the heat dissipation capacity of the MOS tubes can be improved, and parallel driving of a plurality of MOS tubes is.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of an internal structure of a water-cooling commutation power supply according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a half-bridge structure formed by connecting two parallel water-cooled MOS transistors according to an embodiment of the present invention;
FIG. 3 is a diagram of a parallel assembly of water-cooled MOS transistors according to an embodiment of the present invention;
fig. 4 is a structural diagram of a power cabinet according to an embodiment of the present invention;
fig. 5 is an overall outline view of a water-cooling commutation power supply structure according to an embodiment of the present invention.
Wherein:
a power supply cabinet 100, a case 101 and a machine body 102;
an AC/DC power module 200;
the device comprises a MOS tube parallel connection reversing module 300, a water-cooling MOS tube parallel connection assembly 301, a synchronous rectification unit plate 302, a water-cooling heat dissipation aluminum bar 303 and an elastic pressing sheet 304;
a first metal plate 400;
a U-shaped metal plate 500;
the metal plate 600 is output.
Detailed Description
Referring to fig. 1 to 5, the utility model relates to a low impedance water-cooling switching-over power supply structure, it includes power cabinet 100, AC/DC power module 200, MOS pipe parallelly connected switching-over module 300, first metal sheet 400, U-shaped metal sheet 500, two output metal sheets 600.
Referring to fig. 4, the power supply cabinet 100 includes a chassis 101 for mounting the AC/DC power supply module 200 and a body 102 for mounting the MOS transistor parallel connection commutation module 300, where the body 102 includes a framework structure and a panel mounted on the framework structure, and the chassis 101 is provided with a control panel for controlling the AC/DC power supply module 200. The arrangement of the case 101 and the body 102 facilitates installation and maintenance of the commutating power supply.
Referring to fig. 1, the MOS transistor parallel connection commutation module 300 is installed in the power cabinet 100, and the MOS transistor parallel connection commutation module 300 includes four water-cooled MOS transistor parallel assemblies 301. Referring to fig. 3, four water-cooled MOS transistor parallel assemblies 301 are each composed of a plurality of synchronous rectification unit plates 302, a water-cooled heat dissipation aluminum row 303, and a plurality of elastic pressing pieces 304. The water-cooling heat dissipation aluminum bar 303 participates in the conduction and synchronization of the MOS tube D pole on the rectification unit board 302 and compresses and fits on the surface of the aluminum bar water-cooling heat dissipation aluminum bar 303 through the elastic pressing sheet 304 to realize the conductive connection, thereby not only reducing the line impedance but also improving the heat dissipation capacity of the MOS tube. The water-cooled heat dissipation aluminum bar 303 undertakes both conduction and heat dissipation.
Each synchronous rectification unit board 302 is provided with a plurality of MOS tubes connected to a PCB in parallel, each MOS tube is provided with an independent driving circuit, and the same group of control input signals is adopted, so that the MOS tubes on the synchronous rectification unit board 302 are always closed and opened simultaneously. The synchronous rectification unit board 302 realizes the parallel driving and protection of a plurality of small MOS tubes, and the required conduction internal resistance can be obtained by changing the number of the synchronous rectification unit board 302 or the MOS tubes.
Referring to fig. 2, any two water-cooled MOS transistor parallel assemblies 301 of the four water-cooled MOS transistor parallel assemblies 301 are connected through a first metal plate 400 to form two half-bridge structures, one end of the first metal plate 400 is connected to the S-pole of the MOS transistor on the synchronous rectification unit plate 302 serving as the upper bridge arm, the other end of the first metal plate 400 is connected to the water-cooled heat dissipation aluminum bar 303 serving as the lower bridge arm, and the water-cooled heat dissipation aluminum bar 303 is equivalent to the D-pole of the MOS transistor on the synchronous rectification unit plate 302 of the lower bridge arm.
Referring to fig. 1, the two sets of half-bridge structures are spliced into a full-bridge structure by the U-shaped metal plate 500 and the positive output end of the AC/DC power module 200, and the output negative electrode of the AC/DC power module 200 is connected with the U-shaped metal plate 500 by the second metal plate, so that the output electrode of the AC/DC power module 200 is electrically connected with the full-bridge structure. Wherein the positive output terminal of the AC/DC power module 200 adopts an aluminum bar structure.
Finally, two output metal plates 600 and the middle point of the two half-bridge structures of the reversing system are respectively led out of the power cabinet 100 through the U-shaped metal plate 500. The AC/DC power supply module 200, the MOS tube parallel connection reversing module 300 and the U-shaped metal plate 500 are spliced into a square structure by the reversing power supply structure, so that the AC/DC power supply module and the MOS tube parallel connection reversing module form a high-current power supply structure which is compact in structure and convenient to parallel operation and can output high current in a reversing mode.
As the preferred embodiment of the present invention, the first metal plate 400, the second metal plate, the U-shaped metal plate 500, and the output metal plate 600 all adopt copper bars.
As the utility model discloses preferred embodiment, the liquid cooling aluminium row 303 all is provided with the water-cooling hole, and the water-cooling hole passes through water-cooling pipeline 305 and connects and form the water-cooling return circuit, and the D utmost point of each parallelly connected MOS pipe compresses tightly the laminating to liquid cooling aluminium row 303 through elasticity preforming 304 and realizes electrical connection and heat dissipation.
The low-impedance water-cooling reversing power supply structure comprises a power supply cabinet 100, an AC/DC power supply module 200, an MOS tube parallel reversing module 300, a first metal plate 400, a U-shaped metal plate 500 and two output metal plates 600, through connecting two MOS pipe parallel assemblies 301 through first metal sheet 400 as MOS pipe S utmost point and the aluminium bar 303 of lower bridge arm water-cooling heat dissipation on the synchronous rectification cell board 302 of upper bridge arm, constitute a set of half-bridge structure, two sets of half-bridge structures splice into the full-bridge structure through the anodal output of U-shaped metal sheet 500 and AC/DC power module 200, realize AC/DC power module 200 output utmost point and full-bridge structure' S electric connection, the water-cooling heat dissipation aluminium bar 303 undertakes simultaneously electrically conductive and heat dissipation, can effectively reduce the line impedance and can promote the MOS pipe heat-sinking capability again, and realize a plurality of MOS pipe parallel drive through synchronous rectification cell board 302.
The invention is not limited to the above embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the invention, and such equivalent modifications or substitutions are included in the scope defined by the claims of the present application.
Claims (8)
1. A low impedance water-cooling switching-over power supply structure which characterized in that: comprises that
A power supply cabinet (100);
an AC/DC power module (200), the AC/DC power module (200) being mounted within a power cabinet (100);
the power supply comprises an MOS (metal oxide semiconductor) tube parallel connection reversing module (300), wherein the MOS tube parallel connection reversing module (300) is installed in a power supply cabinet (100), and the MOS tube parallel connection reversing module (300) comprises four water-cooling MOS tube parallel connection assemblies (301); the four water-cooling MOS tube parallel components (301) are respectively composed of a plurality of synchronous rectification unit plates (302), a water-cooling heat dissipation aluminum row (303) and a plurality of elastic pressing sheets (304);
any two water-cooling MOS tube parallel assemblies (301) in the four water-cooling MOS tube parallel assemblies (301) are connected through the first metal plate (400) to form two groups of half-bridge structures, one end of the first metal plate (400) is connected with the S pole of the MOS tube on the synchronous rectification unit plate (302) serving as an upper bridge arm, and the other end of the first metal plate (400) is connected with the water-cooling heat dissipation aluminum bar (303) serving as a lower bridge arm;
the two groups of half-bridge structures are spliced into a full-bridge structure through the U-shaped metal plate (500) and the positive output end of the AC/DC power module (200), and the output negative electrode of the AC/DC power module (200) is connected with the U-shaped metal plate (500) through a second metal plate;
the power supply cabinet comprises two output metal plates (600), wherein the two output metal plates (600) are respectively connected with two half bridge structures and penetrate through the U-shaped metal plate (500) to be led out of the power supply cabinet (100).
2. The low impedance water-cooled commutating power supply structure of claim 1, characterized in that: the power supply cabinet (100) comprises a case (101) provided with an AC/DC power supply module (200) and a machine body (102) provided with an MOS tube parallel connection reversing module (300), wherein the machine body (102) comprises a framework structure and a panel arranged on the framework structure.
3. The low impedance water-cooled commutating power supply structure of claim 2, characterized in that: and a control panel for controlling the AC/DC power supply module (200) is arranged on the case (101).
4. The low impedance water-cooled commutating power supply structure of claim 1, characterized in that: the first metal plate (400), the second metal plate, the U-shaped metal plate (500) and the output metal plate (600) are all copper bars.
5. The low impedance water-cooled commutating power supply structure of claim 1, characterized in that: and the positive output end of the AC/DC power supply module (200) adopts an aluminum bar structure.
6. The low impedance water-cooled commutating power supply structure of claim 1, characterized in that: each synchronous rectification unit board (302) is formed by connecting a plurality of MOS tubes to a PCB in parallel.
7. The low impedance water-cooled commutating power supply structure of claim 6, characterized in that: each MOS tube is provided with an independent driving circuit and adopts the same group of control input signals.
8. The low impedance water-cooled commutated power supply structure of claim 7, wherein: the water-cooling aluminum bar (303) is provided with water-cooling holes, the water-cooling holes are connected through a water-cooling pipeline (305) to form a water-cooling loop, and the D pole of each parallel MOS tube is tightly pressed and attached to the water-cooling aluminum bar (303) through an elastic pressing sheet (304) to realize electrical connection and heat dissipation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921569760.9U CN210693780U (en) | 2019-09-20 | 2019-09-20 | Low-impedance water-cooling reversing power supply structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921569760.9U CN210693780U (en) | 2019-09-20 | 2019-09-20 | Low-impedance water-cooling reversing power supply structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210693780U true CN210693780U (en) | 2020-06-05 |
Family
ID=70887151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921569760.9U Active CN210693780U (en) | 2019-09-20 | 2019-09-20 | Low-impedance water-cooling reversing power supply structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210693780U (en) |
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2019
- 2019-09-20 CN CN201921569760.9U patent/CN210693780U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A low impedance water cooled reversing power supply structure Effective date of registration: 20210129 Granted publication date: 20200605 Pledgee: Bank of China Limited by Share Ltd. Guangzhou Panyu branch Pledgor: GUANGZHOU EFFICIENT TECHNOLOGY Corp. Registration number: Y2021980000893 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220228 Granted publication date: 20200605 Pledgee: Bank of China Limited by Share Ltd. Guangzhou Panyu branch Pledgor: GUANGZHOU EFFICIENT TECHNOLOGY Corp. Registration number: Y2021980000893 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A low impedance water cooled commutation power supply structure Effective date of registration: 20220302 Granted publication date: 20200605 Pledgee: Bank of China Limited by Share Ltd. Guangzhou Panyu branch Pledgor: GUANGZHOU EFFICIENT TECHNOLOGY Corp. Registration number: Y2022980002049 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20221207 Granted publication date: 20200605 Pledgee: Bank of China Limited by Share Ltd. Guangzhou Panyu branch Pledgor: GUANGZHOU EFFICIENT TECHNOLOGY Corp. Registration number: Y2022980002049 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A Low Impedance Water Cooled Commutating Power Supply Structure Effective date of registration: 20221215 Granted publication date: 20200605 Pledgee: Bank of China Limited by Share Ltd. Guangzhou Panyu branch Pledgor: GUANGZHOU EFFICIENT TECHNOLOGY Corp. Registration number: Y2022980027463 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20200605 Pledgee: Bank of China Limited by Share Ltd. Guangzhou Panyu branch Pledgor: GUANGZHOU EFFICIENT TECHNOLOGY Corp. Registration number: Y2022980027463 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A low impedance water-cooled commutation power supply structure Granted publication date: 20200605 Pledgee: Bank of China Limited by Share Ltd. Guangzhou Panyu branch Pledgor: GUANGZHOU EFFICIENT TECHNOLOGY Corp. Registration number: Y2024980003509 |