CN110417239B - Power tube mounting structure for switch power supply - Google Patents
Power tube mounting structure for switch power supply Download PDFInfo
- Publication number
- CN110417239B CN110417239B CN201910745124.5A CN201910745124A CN110417239B CN 110417239 B CN110417239 B CN 110417239B CN 201910745124 A CN201910745124 A CN 201910745124A CN 110417239 B CN110417239 B CN 110417239B
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- pressing plate
- plate
- fixedly connected
- power tube
- pipe
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- 230000017525 heat dissipation Effects 0.000 claims description 14
- 238000005452 bending Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 7
- 238000001816 cooling Methods 0.000 abstract description 2
- 238000010030 laminating Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- H01L23/46—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements involving the transfer of heat by flowing fluids
- H01L23/467—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements involving the transfer of heat by flowing fluids by flowing gases, e.g. air
-
- 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
- H02M1/00—Details of apparatus for conversion
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
Abstract
The invention discloses a power tube mounting structure for a switching power supply, and relates to the technical field of switching power supplies. The invention comprises a housing; the inner side wall of the shell is fixedly connected with a radiating pipe; a plurality of power tubes are attached to one side surface of the radiating tube; one side surface of the radiating pipe is connected with a first pressing plate in a sliding manner; the upper surface of the radiating pipe is fixedly connected with a second pressure plate; the first pressing plate is connected with the second pressing plate through a plurality of supporting plates. According to the invention, the first pressing plate and the second pressing plate are arranged, and the power tube is extruded and attached to the surface of the radiating tube by the second pressing plate, so that the power tube is fixed, and the problem that the conventional power tube is inconvenient to disassemble and assemble is solved; simultaneously, through utilizing the second clamp plate laminating power tube to and set up second lumen and rectangular hole on the cooling tube, increased inside radiating effect, improved the radiating efficiency of power tube.
Description
Technical Field
The invention belongs to the technical field of switching power supplies, and particularly relates to a power tube mounting structure for a switching power supply.
Background
The power tubes used for driving or rectifying in the power supply product are usually required to be attached to the inner wall of the shell for heat dissipation, and some power tubes are usually arranged on two sides of the U-shaped shell due to the design requirement of the functional module; in the design of the switching power supply, in order to dissipate heat of the power tube, the power tube and the heat dissipation device are often required to be fixed together. The existing fixing mode is that each power tube is fixed through a screw, the installation is complicated, and other devices on a circuit board can also influence the disassembly and the assembly of the power tubes.
Meanwhile, after the power tube and the heat dissipation device are installed, only one side surface of the power tube is in contact with the heat dissipation device, so that the heat conduction efficiency is low, and the heat dissipation of the power tube is not facilitated.
Disclosure of Invention
The invention aims to provide a power tube mounting structure for a switching power supply, which is characterized in that a first pressing plate and a second pressing plate are arranged, and the power tube is extruded and attached to the surface of a radiating tube by the second pressing plate, so that the power tube is fixed, and the problem that the conventional power tube is inconvenient to disassemble and assemble is solved; simultaneously, through utilizing the second clamp plate laminating power tube to and set up second lumen and rectangular hole on the cooling tube, increased inside radiating effect, improved the radiating efficiency of power tube.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a power tube mounting structure for a switching power supply, which comprises a shell; the inner side wall of the shell is fixedly connected with a radiating pipe; a plurality of power tubes are attached to one side surface of the radiating tube;
a first pressing plate is connected to one side surface of the radiating pipe in a sliding manner; the upper surface of the radiating pipe is fixedly connected with a second pressing plate; the first pressing plate is connected with the second pressing plate through a plurality of supporting plates;
the upper surface of the radiating pipe is of an inclined plane structure; a T-shaped channel is formed in one side surface of the radiating pipe; the radiating pipe comprises a first pipe cavity and a second pipe cavity; the side surface of the radiating pipe is fixedly connected with a first spherical bulge relative to the position of the power tube;
the upper surface of the first pressing plate is fixedly connected with a first arc-shaped bent plate; one side surface of the first arc-shaped bent plate is fixedly connected with a T-shaped strip matched with the T-shaped channel;
the side surface of the lower end of the first pressing plate is fixedly connected with a second arc-shaped bent plate; the lower surface of the second arc-shaped bent plate is fixedly connected with a Z-shaped folded plate;
the first pressing plate and one side surface of the Z-shaped folded plate are fixedly connected with a first guide pipe;
the cross section of the second pressing plate is inverted into an L-shaped structure, and a horizontal side plate of the second pressing plate is fixedly connected with the upper surface of the radiating pipe; a vertical side plate of the second pressure plate is fixedly connected with a second conduit side by side relative to one side of the first pressure plate; the second guide pipes and the first guide pipes are arranged in a staggered mode.
Further, the first and second lumens are isolated from each other; a plurality of fins are uniformly distributed between the opposite inner walls of the first pipe cavity.
Furthermore, a plurality of rectangular holes are uniformly distributed on one side surface of the radiating pipe; the rectangular hole is communicated with the second tube cavity; the rectangular hole is located above the T-shaped channel.
Furthermore, the surface of the first spherical bulge is provided with a through hole communicated with the first pipe cavity.
Furthermore, a second spherical protrusion is fixedly connected to the first pressing plate relative to the power tube; the surface of the second spherical bulge is provided with a through hole.
Furthermore, the opposite side surfaces of the supporting plate are connected with guide rods through connecting lugs; the two guide rods are in clearance fit with the second guide pipe and the first guide pipe respectively; and vent holes are uniformly distributed on the surface of the supporting plate.
The invention has the following beneficial effects:
1. the power tube is fixed on the attached radiating tube through the elastic extrusion of the second pressing plate, so that the convenience of dismounting and mounting the power tube is improved, and meanwhile, the second pressing plate is pressed downwards through the supporting plate to extrude the second pressing plate, so that the fixing effect of the power tube is further improved.
2. The first pressing plate is contacted with the other side face of the power tube to absorb heat of the power tube, and meanwhile, the second tube cavity and the rectangular hole which are formed in the radiating tube are used for conveniently pumping and removing heat in the second pressing plate and the shell, so that the overall radiating efficiency is greatly improved, and the overall working stability of the switching power supply is improved.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
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 the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a power tube mounting structure for a switching power supply according to the present invention;
FIG. 2 is a front view of the structure of FIG. 1;
FIG. 3 is a schematic view of a heat pipe;
FIG. 4 is a schematic structural view of the first platen;
FIG. 5 is a schematic diagram of the rear view of FIG. 4;
FIG. 6 is a schematic structural view of a second platen;
FIG. 7 is a schematic structural view of a support plate;
in the drawings, the components represented by the respective reference numerals are listed below:
1-shell, 2-radiating pipe, 3-power pipe, 4-first pressing plate, 5-second pressing plate, 6-supporting plate, 201-T-shaped channel, 202-first pipe cavity, 203-second pipe cavity, 204-first spherical bulge, 205-fin, 206-rectangular hole, 401-first arc-shaped bent plate, 402-T-shaped strip, 403-second arc-shaped bent plate, 404-Z-shaped folded plate, 405-first conduit, 406-second spherical bulge, 501-second conduit, 601-guide rod and 602-vent hole.
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.
In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "side," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship merely to facilitate the description of the invention and to simplify the description, and are not intended to indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered as limiting the present invention.
Referring to fig. 1 and 2, the present invention is a power tube mounting structure for a switching power supply, including a housing 1; an inner side wall of the shell 1 is connected with a radiating pipe 2 through a screw; a plurality of power tubes 3 are attached to one side surface of the radiating tube 2; a heat dissipation fan is arranged at one end of the shell 1, opposite to the heat dissipation pipe 2, and used for extracting heat inside the heat dissipation pipe 2, and a through hole communicated with the inner cavity of the heat dissipation pipe 2 is formed in a shell at the other end of the shell 1, opposite to the heat dissipation pipe 2;
one side surface of the radiating pipe 2 can also be fixedly connected with a radiating fin which penetrates through the side wall of the shell 1 to realize the radiation to the outside of the shell 1;
as shown in fig. 2 and 3, a first pressing plate 4 is slidably connected to one side surface of the radiating pipe 2; the upper surface of the radiating pipe 2 is fixedly connected with a second pressing plate 5; the first pressing plate 4 is connected with the second pressing plate 5 through two supporting plates 6 which are distributed up and down;
the upper surface of the radiating pipe 2 is of an inclined plane structure, and one side close to the side wall of the shell 1 is higher than one side close to the power tube 3; one side surface of the radiating pipe 2 is provided with a T-shaped channel 201 along the length direction; the radiating pipe 2 comprises a first pipe cavity 202 and a second pipe cavity 203;
wherein the first lumen 202 and the second lumen 203 are isolated from each other; a plurality of fins 205 are uniformly distributed on the opposite inner wall of the first tube cavity 202, the cross section of each fin 205 is wave-shaped, and the fins 205 are beneficial to quickly transferring heat of the power tube 3 and are convenient for heat dissipation through air flow in the first tube cavity 202.
The side surface of the radiating pipe 2 is fixedly connected with a first spherical bulge 204 relative to the position of the power tube 3, the surface of the first spherical bulge 204 is provided with a through hole communicated with the first pipe cavity 202, the first spherical bulge 204 corresponds to the connecting hole of the power tube 3, the first spherical bulge 204 is clamped into the connecting hole of the power tube 3 during installation, so that the power tube 3 is positioned and fixed conveniently, and the surface of the first spherical bulge 204 is provided with the through hole, so that the radiating effect of the power tube 3 can be further improved;
as shown in fig. 4 and 5, a first arc-shaped bent plate 401 is welded to the upper surface of the first pressing plate 4, and the first arc-shaped bent plate can also be of an integrated structure; a T-shaped strip 402 matched with the T-shaped channel 201 is welded on one side surface of the first arc-shaped bent plate 401;
a second arc-shaped bent plate 403 is welded on the side surface of the lower end of the first pressing plate 4; the lower surface of the second arc-shaped bent plate 403 is welded with a Z-shaped folded plate 404; a first guide pipe 405 is fixedly connected to one side surface of the first pressing plate 4 and one side surface of the Z-shaped folded plate 404;
during installation, only the T-shaped strip 402 of the first pressing plate 4 is inserted into the T-shaped groove 201, and the first arc-shaped bending plate 401 and the second arc-shaped bending plate 403 have elastic effects, so that the side surfaces of the first pressing plate 4 and the Z-shaped folding plate 404 can be tightly attached to the power tube 3, and the power tube 3 can be tightly attached to the side wall of the radiating tube 2;
wherein, the first pressing plate 4 is fixedly connected with a second spherical bulge 406 relative to the power tube 3; the surface of the second spherical protrusion 406 is provided with a through hole, and the second spherical protrusion 406 is also clamped in the connecting hole of the power tube 3 during installation, so that the power tube 3 is further positioned and fixed, and the stability and reliability of fixing the power tube 3 are provided; the through holes formed on the surface of the second spherical protrusion 406 are also beneficial to guiding hot air into the second tube cavity 202 for discharging.
As shown in fig. 6, the second pressing plate 5 includes a horizontal side plate and a vertical side plate, and after the horizontal side plate and the vertical side plate are welded and fixed, the cross section of the horizontal side plate is inverted into an L-shaped structure; the horizontal side plate of the second pressing plate 5 is fixedly connected with the upper surface of the radiating pipe 2; a second guide pipe 501 is fixedly connected to one side of the vertical side plate of the second pressing plate 5, which is opposite to one side of the first pressing plate 4 in parallel; the second conduits 501 and the first conduits 405 are arranged in a staggered manner;
because the upper surface of the radiating pipe 2 is of an inclined plane structure, when the second pressing plate 5 is fixed through a screw, the horizontal side plate of the second pressing plate 5 can incline, so that the vertical side plate of the second pressing plate 5 moves downwards, the effect of extruding the first pressing plate 4 is generated through the supporting plate 6, and the fixing effect of the first pressing plate 4 on the power tube 3 is further improved;
as shown in fig. 7, one opposite side of the supporting plate 6 is connected with guide rods 601 through connecting lugs, and the two guide rods 601 are in clearance fit with the second conduit 501 and the first conduit 405 respectively; when the device is installed, the connecting lugs at the two ends of the supporting plate 6 correspond to the second guide pipe 501 and the first guide pipe 405, and then the guide rod 601 is arranged in a penetrating manner; connecting the supporting plate 6 between the side walls of the first pressing plate 4 and the second pressing plate 5; grooves can be formed in the two ends of the guide rod 601, and the guide rod 601 is limited in position through a clamp spring after being installed; meanwhile, the connecting end of the supporting plate 6 and the second pressing plate 5 is higher than the connecting end of the supporting plate 6 and the first pressing plate 4, so that when the second pressing plate 5 is pressed down, the pressing force of the first pressing plate 4 to the power tube 3 can be better transmitted into the pressing force, and the fixing efficiency is improved.
Preferably, the vent holes 602 are uniformly distributed on the surface of the supporting plate 6, and the vent holes 602 facilitate air circulation between the first pressing plate 4 and the second pressing plate 5, so that internal heat can be rapidly dissipated, and the overall heat dissipation efficiency of the switching power supply is improved;
preferably, a plurality of rectangular holes 206 are uniformly distributed on one side surface of the radiating pipe 2; the rectangular hole 206 is communicated with the second lumen 203; rectangular hole 206 is located T-slot channel 201 top, and rectangular hole 206 is convenient for with the heat between first clamp plate 4 and the 5 lateral walls of second clamp plate to and the inside heat conductance of casing 1 flows in second lumen 203, discharges through the heat dissipation fan, thereby, makes the holistic radiating efficiency of switching power supply obtain further promotion.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. The power tube mounting structure for the switching power supply comprises a shell (1); the method is characterized in that: the inner side wall of the shell (1) is fixedly connected with a radiating pipe (2); a plurality of power tubes (3) are attached to one side surface of the radiating tube (2);
a first pressing plate (4) is connected to one side surface of the radiating pipe (2) in a sliding manner; the upper surface of the radiating pipe (2) is fixedly connected with a second pressing plate (5); the first pressing plate (4) is connected with the second pressing plate (5) through a plurality of supporting plates (6);
the upper surface of the radiating pipe (2) is of an inclined plane structure, and one side close to the side wall of the shell (1) is higher than one side close to the power tube (3);
a T-shaped channel (201) is formed in one side face of the radiating pipe (2); the radiating pipe (2) comprises a first pipe cavity (202) and a second pipe cavity (203); the side surface of the radiating pipe (2) is fixedly connected with a first spherical bulge (204) relative to the position of the power tube (3);
the upper surface of the first pressing plate (4) is fixedly connected with a first arc-shaped bending plate (401); one side surface of the first arc-shaped bent plate (401) is fixedly connected with a T-shaped strip (402) matched with the T-shaped channel (201);
the side surface of the lower end of the first pressing plate (4) is fixedly connected with a second arc-shaped bent plate (403); the lower surface of the second arc-shaped bent plate (403) is fixedly connected with a Z-shaped folded plate (404);
a first guide pipe (405) is fixedly connected to one side surfaces of the first pressing plate (4) and the Z-shaped folded plate (404);
the cross section of the second pressing plate (5) is of an inverted L-shaped structure; the horizontal side plate of the second pressing plate (5) is fixedly connected with the upper surface of the radiating pipe (2); a second guide pipe (501) is fixedly connected to one side of the vertical side plate of the second pressing plate (5) side by side relative to one side of the first pressing plate (4); the second guide pipe (501) and the first guide pipe (405) are arranged in a staggered mode.
2. The power tube mounting structure for a switching power supply according to claim 1, wherein the first lumen (202) and the second lumen (203) are isolated from each other; a plurality of fins (205) are uniformly distributed between one opposite inner walls of the first pipe cavity (202).
3. The power tube mounting structure for the switching power supply according to claim 1, wherein a plurality of rectangular holes (206) are uniformly distributed on one side surface of the heat dissipation tube (2); the rectangular hole (206) is communicated with the second lumen (203); the rectangular aperture (206) is located above the T-shaped channel (201).
4. The power tube mounting structure for the switching power supply according to claim 1, wherein a through hole communicated with the first tube cavity (202) is formed on the surface of the first spherical protrusion (204).
5. The power tube mounting structure for the switching power supply according to claim 1, wherein the first pressing plate (4) is fixedly connected with a second spherical protrusion (406) relative to the power tube (3); the surface of the second spherical bulge (406) is provided with a through hole.
6. The power tube mounting structure for switching power supply according to claim 1, wherein a guide bar (601) is connected to one of opposite sides of the support plate (6) through a lug; the two guide rods (601) are in clearance fit with the second guide pipe (501) and the first guide pipe (405) respectively; the surface of the supporting plate (6) is uniformly provided with vent holes (602).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910745124.5A CN110417239B (en) | 2019-08-13 | 2019-08-13 | Power tube mounting structure for switch power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910745124.5A CN110417239B (en) | 2019-08-13 | 2019-08-13 | Power tube mounting structure for switch power supply |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110417239A CN110417239A (en) | 2019-11-05 |
| CN110417239B true CN110417239B (en) | 2021-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910745124.5A Active CN110417239B (en) | 2019-08-13 | 2019-08-13 | Power tube mounting structure for switch power supply |
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| CN (1) | CN110417239B (en) |
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| CN103796470A (en) * | 2014-01-24 | 2014-05-14 | 中科恒源科技股份有限公司 | Power tube fixing device |
| CN204836891U (en) * | 2015-07-22 | 2015-12-02 | 无锡志东机电设备有限公司 | Electric vehicle controller compresses tightly formula fan -less housing |
| CN205356921U (en) * | 2015-12-19 | 2016-06-29 | 天津光电润达电子有限公司 | A heat radiation structure for but, switching power supply quick assembly disassembly |
| CN206077244U (en) * | 2016-09-19 | 2017-04-05 | 苏州欧姆尼克新能源科技有限公司 | A kind of fixed structure of power tube |
| CN108882672A (en) * | 2018-09-14 | 2018-11-23 | 珠海英搏尔电气股份有限公司 | A kind of power tube clamp device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006034679A1 (en) * | 2006-07-24 | 2008-01-31 | Infineon Technologies Ag | Semiconductor module with power semiconductor chip and passive component and method for producing the same |
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2019
- 2019-08-13 CN CN201910745124.5A patent/CN110417239B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002134967A (en) * | 2000-10-24 | 2002-05-10 | Tdk Corp | Switching regulator |
| CN201717252U (en) * | 2010-04-26 | 2011-01-19 | 杭州铁城信息科技有限公司 | Fixed heat radiator of charger power tube |
| CN102593071A (en) * | 2012-03-02 | 2012-07-18 | 深圳麦格米特电气股份有限公司 | Packaging structure of power tube of welding machine |
| CN203368296U (en) * | 2013-07-17 | 2013-12-25 | 深圳麦格米特电气股份有限公司 | Mounting structure for power tube of switching power supply |
| CN103796470A (en) * | 2014-01-24 | 2014-05-14 | 中科恒源科技股份有限公司 | Power tube fixing device |
| CN204836891U (en) * | 2015-07-22 | 2015-12-02 | 无锡志东机电设备有限公司 | Electric vehicle controller compresses tightly formula fan -less housing |
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| CN108882672A (en) * | 2018-09-14 | 2018-11-23 | 珠海英搏尔电气股份有限公司 | A kind of power tube clamp device |
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| CN110417239A (en) | 2019-11-05 |
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