CN217445578U - Heat dissipation formula switching power supply bare board - Google Patents
Heat dissipation formula switching power supply bare board Download PDFInfo
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- CN217445578U CN217445578U CN202222122713.8U CN202222122713U CN217445578U CN 217445578 U CN217445578 U CN 217445578U CN 202222122713 U CN202222122713 U CN 202222122713U CN 217445578 U CN217445578 U CN 217445578U
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- power supply
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- circuit board
- heat dissipation
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Abstract
The application discloses a heat dissipation type switch power supply bare board which comprises a power supply circuit board, an L-shaped support, a first fan, a second fan, a heat conduction assembly, heat dissipation fins and four connecting pieces, wherein the heat dissipation fins are arranged on the power supply circuit board; the power supply circuit board is detachably connected with the L-shaped bracket through the four connecting pieces; the first fan and the second fan are respectively arranged on two inner side surfaces of the L-shaped support and are respectively positioned below and on one side of the power circuit board; the heat conduction assembly and the heat dissipation fins are arranged on the top surface of the power supply circuit board, and the heat conduction assembly is connected with the heat dissipation fins. The utility model provides an among the prior art naked board of switching power supply dispels the heat to it through outside fan when using, leads to the not good technical problem of its heat dispersion, has realized that the heat of the naked board of switching power supply can effectively dispel, guarantees the normal use of the naked board of switching power supply.
Description
Technical Field
The application relates to the technical field of switching power supplies, in particular to a heat dissipation type bare board of a switching power supply.
Background
A Switching Mode Power Supply (SMPS), also called a switching Mode Power Supply and a switching converter, is a high-frequency Power conversion device, and is one of Power supplies. The function is to convert a level voltage into a voltage or current required by the user terminal through different types of architectures. The input of the switching power supply is mostly an ac power supply (e.g., commercial power) or a dc power supply, and the output is mostly equipment requiring a dc power supply, such as a personal computer, and the switching power supply performs voltage and current conversion between the two.
The switch power supply bare board in the prior art is radiated by an external fan when in use, and the normal use of the switch power supply bare board is influenced due to poor heat radiation performance caused by the limitation of the installation of the external fan.
SUMMERY OF THE UTILITY MODEL
This application is through providing a naked board of heat dissipation formula switching power supply, has solved among the prior art naked board of switching power supply and has dispelled the heat to it through outside fan when using, leads to the not good technical problem of its heat dispersion, and the heat that has realized the naked board of switching power supply can effectively be dispelled, guarantees the normal use of the naked board of switching power supply.
The application provides a heat dissipation type switch power supply bare board which comprises a power supply circuit board, an L-shaped support, a first fan, a second fan, a heat conduction assembly, heat dissipation fins and four connecting pieces; the power supply circuit board is detachably connected with the L-shaped bracket through the four connecting pieces; the first fan and the second fan are respectively arranged on two inner side surfaces of the L-shaped support and are respectively positioned below and on one side of the power circuit board; the heat conduction assembly and the heat dissipation fins are arranged on the top surface of the power supply circuit board, and the heat conduction assembly is connected with the heat dissipation fins.
In one possible implementation, the heat conducting assembly includes a heat absorbing sheet and a plurality of heat conducting sheets; the heat absorbing sheet is arranged on the top surface of the power supply circuit board; the heat conducting fins are arranged between the heat absorbing fins and the radiating fins and can conduct heat of the heat absorbing fins to the radiating fins.
In one possible implementation, the connecting member includes a connecting column, an L-shaped plate, a fixing plate, an inserting rod, a first elastic member and a second elastic member; the bottom end of the connecting column is fixedly connected to the inner side surface of the L-shaped bracket; the L-shaped plate and the fixing plate are both fixedly connected to the top end of the connecting column, and the fixing plate is positioned on one side of the L-shaped plate; the four L-shaped plates are respectively positioned at four corners of the power circuit board and can be connected with the corners of the power circuit board in a sliding manner; the inserted rod penetrates through the fixed plate and the L-shaped plate and is connected with the fixed plate and the L-shaped plate in a sliding manner; a convex shoulder is arranged on the outer side of the inserted rod and positioned between the L-shaped plate and the fixing plate, the first elastic element is sleeved on the outer side of the inserted rod, and the first elastic element is clamped between the convex shoulder and the fixing plate; the bottom end of the second elastic piece is fixedly connected to the top end of the connecting column.
In a possible implementation manner, the end part of the insertion rod extending into the inner side of the L-shaped plate is provided with a slope.
In a possible implementation manner, the power circuit board and the heat absorbing sheet are provided with a plurality of heat dissipation holes.
In a possible implementation manner, two side surfaces of the L-shaped bracket are respectively provided with a plurality of vent holes.
One or more technical solutions provided in the present application have at least the following technical effects or advantages:
the power supply circuit board, the L-shaped bracket, the first fan, the second fan, the heat conduction assembly, the heat dissipation fins and the four connecting pieces are adopted; the power supply circuit board is detachably connected with the L-shaped bracket through four connecting pieces; the first fan and the second fan are respectively arranged on two inner side surfaces of the L-shaped support and are respectively positioned below and on one side of the power circuit board; the heat conduction assembly and the heat dissipation fins are arranged on the top surface of the power supply circuit board and connected with each other; the heat generated by the power circuit board can be quickly dissipated along the longitudinal direction and the transverse direction by arranging the first fan and the second fan, and the power circuit board and the L-shaped bracket are connected into a whole by arranging the connecting piece and the L-shaped bracket, so that the first fan and the second fan can conveniently dissipate heat; the technical problem that the heat dissipation performance is poor due to the fact that the bare board of the switching power supply is dissipated through an external fan when the bare board of the switching power supply is used in the prior art is effectively solved, the heat of the bare board of the switching power supply can be effectively dissipated, and normal use of the bare board of the switching power supply is guaranteed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments of the present invention or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a front view of a heat dissipation type switching power supply bare board according to an embodiment of the present disclosure;
FIG. 2 is an enlarged view of a portion of area A of FIG. 1;
fig. 3 is a top view of a heat dissipation type bare board of a switching power supply according to an embodiment of the present disclosure;
FIG. 4 is a partial enlarged view of the area B in FIG. 3;
FIG. 5 is a front view of the connector in the upper left corner of FIG. 3;
fig. 6 is a top view of fig. 5.
Reference numerals: 1-power supply circuit board; 2-L-shaped brackets; 3-a first fan; 4-a second fan; 5-a heat conducting component; 51-a heat sink sheet; 52-a thermally conductive sheet; 6-radiating fins; 7-a connector; 71-connecting column; 72-L shaped plate; 73-a fixed plate; 74-a plunger; 741-shoulder; 742-a bevel; 75-a first elastic member; 76-a second resilient member; 8-heat dissipation holes; 9-Vent hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
In the description of the embodiments of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. The terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1 and 3, a heat dissipation type bare board for a switching power supply provided in an embodiment of the present application includes a power circuit board 1, an L-shaped bracket 2, a first fan 3, a second fan 4, a heat conduction assembly 5, a heat dissipation fin 6, and four connection pieces 7; the power supply circuit board 1 is detachably connected with the L-shaped bracket 2 through four connecting pieces 7; the first fan 3 and the second fan 4 are respectively arranged on two inner side surfaces of the L-shaped support 2 and are respectively positioned below and on one side of the power circuit board 1; the heat conducting assembly 5 and the heat radiating fins 6 are arranged on the top surface of the power circuit board 1, and the heat conducting assembly 5 and the heat radiating fins 6 are connected with each other. In the embodiment of the application, the first fan 3 and the second fan 4 are respectively fixedly connected to two inner side surfaces of the L-shaped support 2 through bolts, so that the first fan 3 is installed under the power circuit board 1, the second fan 4 is installed at one side of the power circuit board 1, and thus the power circuit board 1 can be blown longitudinally and transversely through the first fan 3 and the second fan 4, so that airflow flowing is generated around the power circuit board 1, heat dissipation is accelerated, meanwhile, when the power circuit board 1 works, the heat generated by the power circuit board is firstly absorbed by the heat conducting component 5 and further dissipated through the heat dissipating fins 6, and the heat dissipation effect is improved, in addition, the L-shaped support 2 is connected with the power circuit board 1 through the connecting piece 7, so that the power circuit board 1, the first fan 3, the second fan 4 and the L-shaped support 2 form a whole, the stability of the power supply circuit board 1 during operation is ensured.
Referring to fig. 1 and 3, the heat conductive assembly 5 includes a heat sink 51 and a plurality of heat conductive sheets 52; the heat absorbing sheet 51 is arranged on the top surface of the power circuit board 1; the plurality of heat-conducting fins 52 are provided between the heat absorbing sheet 51 and the heat dissipating fins 6, and can conduct heat of the heat absorbing sheet 51 to the heat dissipating fins 6. In the embodiment of the present application, the heat absorbing sheet 51 is a thin copper foil, the heat conducting sheet 52 is a heat conducting silicon sheet, the heat absorbing sheet 51 is attached to the top surface of the power circuit board 1, the heat dissipating fin 6 is mounted on the top surface of the power circuit board 1 through a bolt, part of heat generated by the power circuit board 1 is firstly absorbed by the heat absorbing sheet 51, and then is conducted to the heat dissipating fin 6 through the heat conducting sheet 52, and the heat is dissipated through the heat dissipating fin 6.
Referring to fig. 1 to 6, the connector 7 includes a connection post 71, an L-shaped plate 72, a fixing plate 73, an insertion rod 74, a first elastic member 75, and a second elastic member 76; the bottom end of the connecting column 71 is fixedly connected to the inner side surface of the L-shaped bracket 2; the L-shaped plate 72 and the fixing plate 73 are both fixedly connected to the top end of the connecting column 71, and the fixing plate 73 is positioned on one side of the L-shaped plate 72; the four L-shaped plates 72 are respectively positioned at four corners of the power circuit board 1, and the L-shaped plates 72 can be connected with the corners of the power circuit board 1 in a sliding manner; the insertion rod 74 penetrates through the fixing plate 73 and the L-shaped plate 72 and is connected with the fixing plate 73 and the L-shaped plate 72 in a sliding mode; a shoulder 741 is arranged on the outer side of the inserted rod 74, the shoulder 741 is positioned between the L-shaped plate 72 and the fixing plate 73, the first elastic element 75 is sleeved on the outer side of the inserted rod 74, and the first elastic element 75 is clamped between the shoulder 741 and the fixing plate 73; the bottom end of the second elastic member 76 is fixedly connected to the top end of the connecting column 71. In the embodiment of the present application, further considering the inconvenience of mounting and dismounting the power circuit board 1 in the prior art, the connector 7 is further provided, when mounting the power circuit board 1, first aligning four corners of the power circuit board 1 with the inner sides of the four L-shaped brackets 2, then pressing the power circuit board 1 from top to bottom, the power circuit board 1 is guided by the four L-shaped brackets 2, when moving down to contact with the plug-in lever 74, pressing the plug-in lever 74 to move the plug-in lever 74 outwards, meanwhile, the first elastic element 75 and the second elastic element 76 are both compressed, when the power circuit board 1 descends to the lower side of the plug-in lever 74, the plug-in lever 74 is no longer pressed, the plug-in lever 74 continues to extend into the inner side of the L-shaped plate 72 under the action of the first elastic element 75, at this time, the power circuit board 1 is no longer pressed down, the power circuit board 1 is fixed by being clamped under the action of the second elastic element 76 and the plug-in lever 74, the realization is to the installation work of power supply circuit board 1, when needing to dismantle power supply circuit board 1, only need push down power supply circuit board 1 earlier, then will outwards stimulate inserted bar 74 for inserted bar 74 no longer joints the top surface of power supply circuit board 1, thereby conveniently dismantles power supply circuit board 1 fast.
Referring to fig. 5, the end of the insertion rod 74 extending into the L-shaped plate 72 is provided with a slope 742. In the embodiment of the present application, the inclined plane 742 is provided at the end of the insertion rod 74, so that in the process of installing the power circuit board 1, the power circuit board 1 can gradually extrude the insertion rod 74 outwards by extruding the inclined plane 742, so that the installation process of the power circuit board 1 is smoother.
Referring to fig. 3, the power supply circuit board 1 and the heat sink 51 are provided with a plurality of heat dissipation holes 8. In the embodiment of the present application, heat dissipation holes 8 are further provided to further improve the heat dissipation effect.
Referring to fig. 1 and 3, a plurality of vent holes 9 are respectively formed on two side surfaces of the L-shaped bracket 2. The vent holes 9 are provided in the embodiment of the present application, so as to facilitate the first fan 3 and the second fan 4 to draw external air to dissipate heat of the power circuit board 1.
The working principle of the heat dissipation type switching power supply bare board provided by the embodiment of the application is as follows:
the naked board of switching power supply is at the during operation, and the partial heat that power supply circuit board 1 produced is at first absorbed by heat absorbing fin 51, and then conducts to radiating fin 6 through conducting strip 52, dispels the heat through radiating fin 6, then can carry out vertically and the blowing of horizontal direction to power supply circuit board 1 through first fan 3 and second fan 4 for power supply circuit board 1 all around the flow that all produces the air current, accelerate thermal dissipation.
The embodiments in the present specification are described in a progressive manner, and the same or similar parts among the embodiments may be referred to each other, and each embodiment focuses on the differences from the other embodiments.
The above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the present application; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the present disclosure.
Claims (6)
1. A heat dissipation type switch power supply bare board is characterized by comprising a power supply circuit board (1), an L-shaped support (2), a first fan (3), a second fan (4), a heat conduction assembly (5), heat dissipation fins (6) and four connecting pieces (7);
the power supply circuit board (1) is detachably connected with the L-shaped bracket (2) through four connecting pieces (7);
the first fan (3) and the second fan (4) are respectively arranged on two inner side surfaces of the L-shaped support (2) and are respectively positioned below and on one side of the power circuit board (1);
the heat conduction assembly (5) and the heat dissipation fins (6) are arranged on the top surface of the power circuit board (1), and the heat conduction assembly (5) is connected with the heat dissipation fins (6).
2. The bare board according to claim 1, wherein the heat conducting assembly (5) comprises a heat sink (51) and a plurality of heat conducting fins (52);
the heat absorbing sheet (51) is arranged on the top surface of the power supply circuit board (1);
the plurality of heat-conducting fins (52) are provided between the heat absorbing fins (51) and the heat-dissipating fins (6), and can conduct heat of the heat absorbing fins (51) to the heat-dissipating fins (6).
3. The bare board for thermal switching power supply according to claim 1, wherein the connector (7) comprises a connection post (71), an L-shaped plate (72), a fixing plate (73), an insertion rod (74), a first elastic member (75), and a second elastic member (76);
the bottom end of the connecting column (71) is fixedly connected to the inner side surface of the L-shaped bracket (2);
the L-shaped plate (72) and the fixing plate (73) are both fixedly connected to the top end of the connecting column (71), and the fixing plate (73) is positioned on one side of the L-shaped plate (72);
the four L-shaped plates (72) are respectively positioned at four corners of the power supply circuit board (1), and the L-shaped plates (72) can be connected with the corners of the power supply circuit board (1) in a sliding manner;
the inserted rod (74) penetrates through the fixing plate (73) and the L-shaped plate (72) and is in sliding connection with the fixing plate (73) and the L-shaped plate (72);
a convex shoulder (741) is arranged on the outer side of the inserted bar (74), the convex shoulder (741) is located between the L-shaped plate (72) and the fixing plate (73), the first elastic piece (75) is sleeved on the outer side of the inserted bar (74), and the first elastic piece (75) is clamped between the convex shoulder (741) and the fixing plate (73);
the bottom end of the second elastic piece (76) is fixedly connected to the top end of the connecting column (71).
4. The bare board for heat dissipation type switching power supply according to claim 3, wherein the end of the insertion rod (74) extending into the L-shaped board (72) is provided with a slope (742).
5. The bare board for heat dissipation switch power supply according to claim 2, wherein the power circuit board (1) and the heat sink (51) are formed with a plurality of heat dissipation holes (8).
6. The bare board for a heat dissipation type switching power supply according to claim 1, wherein a plurality of ventilation holes (9) are respectively opened at both side surfaces of the L-shaped bracket (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222122713.8U CN217445578U (en) | 2022-08-12 | 2022-08-12 | Heat dissipation formula switching power supply bare board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222122713.8U CN217445578U (en) | 2022-08-12 | 2022-08-12 | Heat dissipation formula switching power supply bare board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217445578U true CN217445578U (en) | 2022-09-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222122713.8U Active CN217445578U (en) | 2022-08-12 | 2022-08-12 | Heat dissipation formula switching power supply bare board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217445578U (en) |
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2022
- 2022-08-12 CN CN202222122713.8U patent/CN217445578U/en active Active
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