TWI716739B - Power Supplier - Google Patents

Abstract

A power supply includes a bottom case, an upper cover, a circuit board and a cooling fan. Wherein, the bottom case and the upper cover are assembled with each other and jointly define an accommodating space, the circuit board is installed on the bottom case and is located in the accommodating space, the circuit board is provided with a plurality of electronic components and a plurality of corresponding ones respectively One of the electronic components is provided with a heat dissipation element capable of conducting heat conduction, and each of the heat dissipation elements has an assembly hole. The cooling fan includes a support frame, a drive module set on the support frame, and a fan blade group covered on the drive module and rotated by the drive module, the support frame is in the shape of a flat plate And there is a plurality of connecting ribs respectively connected with one of the assembly holes, and the heat dissipation fan does not have a retaining wall arranged around the fan blade group.

Description

Power Supplier

The invention relates to a power supply, in particular to a power supply in which the cooling fan used does not have a retaining wall surrounding a fan blade group.

The power supplies currently used in personal computers all include a fan for heat dissipation. The common configuration of the fan is as disclosed in patents such as US 20090290293, US 20100284149, US 20080266793, and US 6074296.

It can be clearly understood from the previous patents that the fans currently used have an outer frame through which the fan is mounted on a housing of the power supply. On the other hand, the outer frame further defines a fan blade group. The diversion channel is suspended, so that the heat dissipation air flow generated by the fan will be discharged from the diversion channel.

In this way, although the heat dissipation air flow generated by the fan can be gathered, the heat dissipation air flow can only dissipate heat in a local area in a disguised manner, and the heat dissipation air flow cannot effectively provide heat dissipation for each component inside the power supply. Reduce the heat dissipation effect.

The main purpose of the present invention is to solve the problem that the fans used in common power supplies have outer frames, which causes the heat dissipation effect to decrease.

To achieve the above objective, the present invention provides a power supply including a bottom case, an upper cover, a circuit board and a cooling fan. The bottom case and the upper cover are assembled with each other and jointly define an accommodating space, the circuit board is mounted on the bottom case and located in the accommodating space, the circuit board is provided with a plurality of electronic components and a plurality of corresponding electronic components respectively One of the settings and can be The heat-conducting heat-dissipating element, each heat-dissipating element has an assembly hole. The cooling fan includes a support frame, a drive module set on the support frame, and a fan blade group covered on the drive module and rotated by the drive module, the support frame is in the shape of a flat plate And there is a plurality of connecting ribs respectively connected with one of the assembly holes, and the heat dissipation fan does not have a retaining wall arranged around the fan blade group.

In one embodiment, the assembly hole is replaced by a gap formed between the plurality of fins on the heat dissipation element.

In one embodiment, the line connecting the positions of the assembly holes is a polygon.

In one embodiment, the heights of the heat dissipation elements are equal so that the top edges of the heat dissipation elements are located on the same parallel line, and each assembly hole is located on the top edge of each heat dissipation element.

In an embodiment, the upper cover has at least one vent facing the heat dissipation fan.

In addition to the foregoing, the present invention also provides another power supply, which includes a bottom case, an upper cover, a circuit board, and a cooling fan. The bottom case and the upper cover are assembled with each other and jointly define an accommodating space. The circuit board is mounted on the bottom case and is located in the accommodating space. The heat dissipation fan includes a support frame and a drive provided on the support frame Module, and a fan blade group covered on the driving module and driven by the driving module to rotate, the support frame has a body for providing the setting of the driving module and the fan blade group, and plural and the body respectively The support column connected and fixed to the circuit board, the support frame does not have a retaining wall arranged around the fan blade group, the heat dissipation fan generates a heat dissipation airflow in the accommodation space, and the heat dissipation airflow is not opposed to a single electronic The components dissipate heat, and the height of the supporting posts is at least higher than the highest one of the plurality of electronic components mounted on the circuit board.

In an embodiment, the upper cover has at least one vent facing the heat dissipation fan.

In an embodiment, the support columns and the body are two separable members.

In one embodiment, the connecting line between the positions of the supporting pillars on the circuit board is a polygon.

In an embodiment, the supporting frame has a plurality of connecting ribs respectively arranged between two adjacent supporting columns.

Compared with the conventional ones, the disclosed embodiments of the present invention have the following characteristics: the heat dissipation fan disclosed in the present invention does not have a retaining wall surrounding the fan blade group, in other words, the heat dissipation fan of the present invention does not have an outer frame. In this way, the present invention makes the heat dissipating air flow generated by the heat dissipating fan no longer limited by the outer frame, and can simultaneously dissipate each electronic component or component in the accommodating space, which can improve the heat dissipation effect compared to conventional ones. . On the other hand, the cooling fan of the present invention has no outer frame and can specifically reduce the noise generated during operation.

10: Power supply

11: bottom shell

111: Power input port

112: Power output port

12: Upper cover

121: Vent

13: circuit board

131: Electronic Components

132: heat dissipation element

133: Assembly hole

134: Top Edge

135: Fins

136: Gap

14: cooling fan

141: support frame

142: drive module

143: Fan Blade Group

144: Power cable

145: connecting rib

15: Housing space

20: power supply

21: bottom shell

22: Upper cover

221: Vent

23: circuit board

231: Electronic Components

232: heat dissipation element

233: Piercing

24: cooling fan

241: support frame

242: drive module

243: Fan Blade Group

244: body

245: support column

246: flat part

247: protrusion

248: Connection

249: connecting rib

25: accommodation space

26: Decorative bezel

261: Vent hole

30: fixed parts

60: Parallel line

61: Polygon

62: height

63: Polygon

Figure 1 is an exploded schematic diagram of a power supply according to an embodiment of the present invention.

Fig. 2 is an exploded schematic diagram of a partial structure of a power supply according to an embodiment of the present invention.

Fig. 3 is a cross-sectional view of a power supply structure according to an embodiment of the present invention.

Fig. 4 is a cross-sectional view of a power supply structure according to another embodiment of the present invention.

Fig. 5 is a schematic top view of a partial structure of a power supply according to an embodiment of the present invention.

Fig. 6 is an exploded schematic diagram of a partial structure of a power supply according to another embodiment of the present invention.

Fig. 7 is a cross-sectional view of a power supply structure according to another embodiment of the present invention.

FIG. 8 is a schematic top view of a partial structure of a power supply according to another embodiment of the present invention.

Fig. 9 is an exploded schematic diagram of the structure of a power supply according to another embodiment of the present invention.

Fig. 10 is an exploded schematic view of the upper cover of another embodiment of the present invention.

The detailed description and technical content of the present invention are now described in conjunction with the drawings as follows:

1 to 5, the present invention provides a power supply 10, the power supply 10 can be implemented in ATX specifications. The power supply 10 includes a bottom case 11, an upper cover 12, a circuit board 13 and a cooling fan 14. Wherein, the bottom shell 11 and the upper cover 12 are mutually assembleable structures. In one embodiment, the bottom shell 11 and the upper cover 12 are U-shaped structures respectively, and the bottom shell 11 and the upper cover 12 together define a In the accommodating space 15, at least one vent 121 can be opened on the upper cover 12. In addition, the bottom shell 11 and the upper cover 12 of the present invention can be further implemented in a multi-component manner according to design. Furthermore, the side of the bottom shell 11 can be further equipped with a power input port 111 and at least one power output port 112. The power input port 111 and the power output port 112 are arranged on different sides of the bottom shell 11. The number of output ports 112 can be adjusted according to implementation requirements.

In addition, the circuit board 13 is mounted on the bottom case 11 and is located in the accommodating space 15. The circuit board 13 is provided with a plurality of electronic components 131 and a plurality of heat dissipation devices respectively corresponding to one of the electronic components 131 Element 132. Among them, the electronic components 131 will at least form a power correction circuit, a power conversion circuit, etc. after being configured. Moreover, each of the heat dissipation elements 132 is in contact with one of the corresponding electronic elements 131 to conduct heat conduction. Each heat dissipation element 132 has an assembly hole 133. In one embodiment, the heights of the heat dissipating elements 132 are equal so that each top edge 134 of the heat dissipating elements 132 is located on the same parallel line 60, and each of the assembling holes 133 is respectively located at the center of each heat dissipating element 132 The top edge 134. Furthermore, the assembling hole 133 referred to in the present invention can be replaced by a gap 136 formed between the plurality of fins 135 on the heat dissipation element 132, as shown in FIG. 2.

Furthermore, the cooling fan 14 of this embodiment includes a supporting frame 141, a driving module 142 disposed on the supporting frame 141, and a cover on the driving module 142 and being driven by the driving module 142. Rotating fan blade group 143. The cooling fan 14 can also be connected to a power supply circuit (not shown in this figure) on the circuit board 13 via a power connection line 144 to obtain power required for rotation. In addition, the driving module 142 is implemented with a motor structure. Further, the support frame 141 of the present invention is a flat plate It has a plurality of connecting ribs 145 respectively connected to one of the assembly holes 133. The shape of the connecting ribs 145 can be adjusted according to the position or pattern of each heat dissipation element 132 provided with the assembly hole 133. In addition, the heat dissipation fan 14 of the present invention does not have a retaining wall arranged around the fan blade group 143. In other words, the heat dissipation fan 14 does not have a restricted flow channel defined by the outer frame and the fan blade group 143 is suspended therein. In this way, the cooling fan 14 generates an unobstructed heat dissipation air flow on the side of the fan blade group 143 when the heat dissipation fan 14 is energized. As a result, the heat dissipation airflow does not dissipate a single electronic component, thereby improving the heat dissipation efficiency.

Please refer to FIG. 5, in order to increase the stability of the cooling fan 14 during the rotation process, in one embodiment, the assembly holes 133 are planned so that the line connecting the positions of the assembly holes 133 is a polygon 61. In this way, the cooling fan 14 can be supported more stably, and the possibility of shaking of the cooling fan 14 during rotation is reduced. However, although the current embodiment of the present invention uses three assembling holes 133 as an example, the number is not limited.

Please refer to FIG. 6 to FIG. 7 and FIG. 10. In addition to the above-mentioned power supply 10, the present invention also proposes another embodiment. However, in order to distinguish the two embodiments, different numbers will be used for labeling in the following. In this embodiment, the power supply 20 includes a bottom case 21, an upper cover 22, a circuit board 23 and a cooling fan 24. The bottom case 21 and the upper cover 22 are assembled with each other to jointly define an accommodating space 25. The upper cover 22 may have at least one vent 221 facing the heat dissipation fan 24. In addition, the circuit board 23 is mounted on the bottom case 21 and located in the accommodating space 25. The circuit board 23 can be provided with a plurality of electronic components 231 and a plurality of heat dissipation components 232 according to implementation requirements. The electronic components 231 will be at least A power correction circuit, a power conversion circuit, etc. are formed, and the heat dissipation elements 232 can be arranged according to implementation requirements.

Further, the cooling fan 24 includes a supporting frame 241, a driving module 242 arranged on the supporting frame 241, and a fan blade that is covered on the driving module 242 and driven to rotate by the driving module 242 Group 243. In this embodiment, the support frame 241 has a body 244 for providing the drive module 242 and the fan blade set 243, and a plurality of support posts 245 respectively connected to the body 244 and fixed on the circuit board 23. More specifically In other words, the main body 244 is in the shape of a flat plate, and the main body 244 has at least a flat portion 246 for placing the driving module 242, and a flat portion 246 connected to the flat portion 246 and located at the center of the main body 244 to provide the fan blade set 243 Assembled protrusion 247. In one embodiment, the main body 244 further includes a plurality of connecting portions 248 respectively extending from the edge of the flat portion 246, and each of the connecting portions 248 corresponds to one of the supporting pillars 245. In addition, the circuit board 23 has a plurality of through holes 233 respectively provided with the support posts 245. In addition, the supporting posts 245 are respectively disposed at positions on the circuit board 23 where the electronic components 131 are not provided and located between the electronic components 131, and the supporting posts 245 jointly support the main body 244 to make the main body 244 is disposed relative to the circuit board 23 at a height 62, and the height of the supporting pillars 245 is at least higher than the tallest one of the electronic components 231. Moreover, the support columns 245 and the main body 244 are two separable components. Furthermore, in this embodiment, the heat dissipation fan 24 does not have a retaining wall arranged around the fan blade group 243, that is, the heat dissipation fan 24 does not have a frame defined by the outer frame and allows the fan blade group 243 to hang in it. Current limiting channel.

Please refer to FIGS. 7 and 8. In order to increase the stability of the cooling fan 24 during the rotation process, in one embodiment, the positions of the support posts 245 on the circuit board 23 are planned so that the The connection line of the support post 245 on the circuit board 23 is a polygon 63. However, although this embodiment is illustrated with three support posts 245, the number is not limited. Furthermore, each supporting post 245 is further implemented with a fixing member 30 which fixes each supporting post 245 on the circuit board 23. The fixing member 30 can be a nut or a screw. In addition, please refer to FIG. 9. In an embodiment, the support frame 241 may have a plurality of support columns respectively disposed on two adjacent support columns The connecting ribs 249 between the 245s, the arrangement of the connecting ribs 249 can increase the structural strength of the supporting columns 245, and the configuration of the connecting ribs 249 can be adjusted according to implementation requirements.

On the other hand, the upper cover 22 has at least one vent 221 facing the cooling fan 24. In one embodiment, the upper cover 22 is provided with a plurality of the vents 221, and the vents 221 can follow a The design pattern is arranged and formed. In addition, the vent 221 provided on the upper cover 22 can also adjust the opening area according to the implementation, so that the vent 221 can be provided with a decorative baffle 26 arranged in the middle, and the decorative baffle 26 can be provided with The plural ventilation holes 261 opened in accordance with a design pattern are as shown in FIG. 10. In this embodiment, the power supply 20 will allow the user to choose different decorative bezels 26 based on personal preference.

The present invention has been described in detail above, but what is described above is only a preferred embodiment of the present invention, and should not be used to limit the scope of implementation of the present invention, that is, everything made in accordance with the scope of the patent application of the present invention is equal Changes and modifications should still fall within the scope of the patent of the present invention.

10‧‧‧Power Supply

11‧‧‧Bottom shell

111‧‧‧Power input port

112‧‧‧Power output port

12‧‧‧Top cover

121‧‧‧Vent

13‧‧‧Circuit board

131‧‧‧Electronic components

132‧‧‧Heat Dissipating Components

134‧‧‧Top edge

14‧‧‧Cooling fan

141‧‧‧Support frame

143‧‧‧Fan Blade Group

144‧‧‧Power connection line

145‧‧‧Connecting rib

Claims (4)

A power supply includes: a bottom case and an upper cover, the bottom case and the upper cover are assembled with each other and jointly define an accommodating space, the upper cover is provided with at least one vent; a circuit board is installed on the bottom case and located In the accommodating space, the circuit board is provided with a plurality of electronic components; and a heat dissipation fan is arranged facing the vent, including a support frame, a drive module arranged on the support frame, and a cover A fan blade set on the drive module and driven by the drive module to rotate, the support frame has a body for providing the drive module and the fan blade set, and a plurality of them are respectively connected to the body and fixed to the circuit board The supporting pillars are respectively arranged on the circuit board where the electronic components are not provided and between the electronic components, and the height of the supporting pillars is at least higher than that of the electronic components. The highest one, the connecting line of the support posts on the circuit board is a polygon, the support frame does not have a structure on the side of the fan blade group, so that a heat dissipation air flow generated by the side of the fan blade group is not blocked The heat dissipation airflow is generated by the change of the airflow in the accommodating space caused by the fan blade group, and the heat dissipation airflow simultaneously dissipates the electronic components. The power supply according to claim 1, wherein the supporting columns and the body are two separable components. The power supply according to claim 2, wherein the connection line of the positions of the support pillars on the circuit board is a polygon. The power supply according to claim 2 or 3, wherein the support frame has a plurality of connecting ribs respectively arranged between two adjacent support columns.

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