TWI229254B - Fan module - Google Patents

Abstract

A fan module comprises a housing, a fan and a plurality of fins. The housing has a mounting space, an air inlet and a corresponding air outlet. The air inlet is linked to the mounting space and linked to the air outlet via the mounting space. The fan is installed in the mounting space. These fins are installed in the air outlet and parallel. The fins have a plurality of protrusions respectively. The protrusions protrude from a surface of the fins. Every neighbor two of the fins are apart from each other. These fins divide the air outlet into a plurality of slots, and the widths of these slots are less than or equal to 1 mm.

Description

1229254 V. Description of the invention (1) [Technical field to which the invention belongs] The present invention relates to a fan module, and in particular, to a fan module suitable for being disposed inside a portable device for The hot air inside the device is discharged to the external fan module. [Previous technology] In recent years, with the rapid advancement of computer technology, the computer's operating speed has been continuously improved, which has continuously increased the heating power of electronic components inside the computer mainframe. A temporary or permanent failure occurs, so the heat dissipation performance of the electronic components inside the computer becomes very important. Therefore, in addition to the power supply of the host computer, the central processing unit (CPU) and the graphics processing unit (GPU), and even the electronic components that easily increase the temperature, such as a chipset, an additional cooling system is additionally installed. In order to reduce the temperature of electronic components at high speed, a fan module can be installed inside the host computer to generate thermal convection inside and outside the host computer, so that the host computer can operate more smoothly. . It is worth noting that because the internal space of a notebook computer is very small, the thermal energy generated by its electronic components can easily accumulate in the gas inside the notebook computer, so the conventional technology usually installs a The fan module is used to discharge the internal heat of the notebook computer to the outside for the purpose of heat dissipation. Please refer to FIG. 1, which shows a perspective view of a conventional fan module. A fan module 100 commonly used in notebook computers generally includes

12340twf.ptd Page 7 1229254 Five 'invention description (2) housing 110 and fan i20, in which the housing 11 has a mounting space 112, an air inlet ) 114 and the opposite air outlet 116 ', and the air inlet 1 1 4 is connected to the accommodation space 1 1 2' and the air inlet 1 1 4 is connected to the air outlet 1 through the accommodation space 1 1 2 1 6 'and the fan 1 2 0 is disposed in the accommodation space 112. When the fan of the fan module 100 is in operation, the 'gas will enter the inside of the case base 11 through the air inlet 11 of the case base 10' and then be output through the air outlet 116 of the case base 110. Therefore, when the fan module 100 is applied to a cooling system of a notebook computer, the fan module 100 can effectively discharge the internal heat of the notebook computer to the outside world, so that the notebook computer can operate more smoothly. As far as the conventional technology is concerned, the air outlet 116 of the fan module 100 is not currently provided with any grid. Therefore, 'When the fan module 100 is arranged inside a notebook computer, the maximum outer diameter of the user during carrying or carrying the notebook computer is smaller than the small conductive objects of the air inlet 11 4 and the air outlet 116. (Such as paper clips or staples, etc.) can easily pass through the air outlet 116, the accommodation space 112, and the air inlet 114 of the casing 1 10 in order to enter the interior of the notebook computer and touch the notebook computer. The internal electrical contacts or circuits may cause the internal circuit of the notebook computer to fail. Therefore, in order to reduce the possibility of the above-mentioned small conductive objects entering the interior of the notebook computer, in the current safety regulations for portable devices, the narrow and long position is located on the surface of the portable device and can communicate with the interior of the portable device. The width of the opening will be limited to 1 mm.

l234〇twf.ptd Page 8 1229254 V. Description of the Invention (3) [Summary of the Invention] In view of this, the object of the present invention is to provide a fan module suitable for being disposed inside a portable device. To exhaust the hot air from the inside of the portable device to the outside. In order to achieve the above object of the present invention, the present invention provides a fan module, which includes a housing base, a fan, and a plurality of fins, wherein the housing base has a receiving space, an air inlet, and an opposite air outlet, and The air inlet is connected to the accommodating space, and is connected to the air outlet through the accommodating space. In addition, the fan is arranged in the accommodation space. In addition, the fins are arranged inside the air outlet and are arranged parallel to each other, and the fins each have a plurality of protrusions, which respectively protrude from one surface of the fins, and any two adjacent fins The sheets are spaced from each other by these protrusions, and the fins separate the air outlet into a plurality of narrow openings, and the width of these narrow openings is less than or equal to 1 mm. Based on the above, the fan module of the present invention uses these fins arranged in parallel to each other, and forms a plurality of protrusions on these fins, respectively, which can be spaced from any two adjacent fins, so that the fins cover the shell. The air outlet of the seat is divided into a plurality of narrow openings, and the width of these narrow openings is less than or equal to 1 mm, and these protrusions can be used to maintain the width of these narrow openings. Therefore, when the fan module of the present invention is arranged inside a portable device, the fan module of the present invention can not only exhaust the internal heat of the portable device to the outside, but also use these parallel arrangements The fins block the external small conductive objects from the air outlet of the housing, so it can effectively prevent the small external conductive objects from entering the interior of the portable device through the housing.

12340twf.ptd Page 9 1229254 Ming B said to carry Ming T Fa Ke L Lian Wu Xian 5 Ming said more-can be more excellent, & ^. Call for plans, set special regulations, and complete the description of the security objectives and close, and the similar examples of the implementation of the implementation of this method

[Embodiment] ^ Please refer to FIG. 2A and FIG. 2B, where FIG. 2A illustrates a perspective view of a fan module of a known example of the present invention, and FIG. 2B illustrates a fan module of an embodiment of the present invention. Exploded view. The fan module 2000 in this embodiment mainly includes a housing base 210, a fan 220, and a plurality of fins 230. The housing base 210 has a valley space 212, an air inlet 214, and an opposite air outlet 216. The air inlet 214 is connected to the accommodation space 212 and communicates with the air outlet 216 through the accommodation space 212. In addition, the housing base 210 may further include a cover plate 210 and a base plate 210b, and the air inlet 214 may be formed by a cover plate 2 l0a hollow, and a part of the wall of the cover plate 210a and the base 2l0b Part of the wall system also forms the air outlet 216, and these fins 230 are connected to the & surface of the cover plate 21o. In addition, the 'fan 2 2 0' is disposed within the accommodation space 2 丨 2. 214 and because of this, when Λ fan = is running, the fan 2 2 0 will be able to output through the air inlet and outlet 216 U Q J = empty Q 212 'Then through the portable device (such as in addition to the application') The fan module 2000 is equipped with a computer, etc.), and the portable computer is: a laptop or a tablet portable device, so that the air outlet 216 of the module 2000 is exposed to The heat emitted from the fan module 200 inside the portable device may be outside of the portable device in order to comply with the portable device. Safety regulations for work and installation, these fins 23 are matched

12340twf.ptd Page 10 1229254 V. Description of the invention (5) The air outlets 2 1 6 are arranged parallel to each other, and the air outlets 2 1 6 are divided into a plurality of narrow openings 2 1 6 a. At the same time, by changing the dense distribution of the fins 2 30 to the air outlets 2 16, the width of the narrow openings 2 16 a is less than or equal to 1 mm, so as to comply with the safety requirements of portable devices. It is worth noting that, in this embodiment, the preferred range of the width of the narrow openings 2 1 6 a is between 0.8 and 1 mm, and the arrangement direction of the fins 230 (FIG. 2A (Z-axis direction) is substantially perpendicular to the length direction of the air outlet 216 (Y-axis direction in FIG. 2A), which means that the length direction of the fins 230 (Z-axis direction in FIG. 2A) is approximately perpendicular to the length of the air outlet 216 Direction (Y-axis direction in Figure 2A). When carrying or moving a portable device equipped with the fan module 2000 of this embodiment, external small conductive objects (such as metal paper clips or staples) will be subject to these located at the air outlet The blocking of 2 1 6 fins 2 3 0 can not sequentially enter the interior of the portable device through the housing base 210 of the fan module 200. Therefore, when the fan module 200 of this embodiment is arranged inside a portable device, and the air outlet 216 of the housing 210 is exposed outside the portable device, these are located at the air outlet 2 1 6 The fins 2 30 can effectively prevent small conductive objects from entering the inside of the portable device, so that the portable device can maintain normal operation. In order to keep the width of these narrow openings 2 1 6 a all less than 1 mm without being easily impacted or squeezed by external forces to change their width, please refer to FIG. 3A, which illustrates an embodiment of the present invention. A perspective view of one of the fins after being stacked. These fins 2 3 0 are substantially elongated and each have a plurality of first protrusions 232 protruding from a top surface 230 a of the corresponding fins 230.

12340twf.ptd Page 11 1229254 V. Description of the invention (6) It is located at both ends or the center of the fin 2 30, and the first protrusions 232 are connected to the upper fin 23 by welding or the like. The bottom surface 23b can effectively maintain the width of the long and narrow opening 2 丨 6a surrounded by the two fins 230. It is worth noting that, in order to reduce the material cost and process time, when the first protrusions 232 are made on the fins 230 separately, the punching can be used to cut and bend the fins Some parts of 23 ° form the first protrusions 232 directly, in other words, the first protrusions 2 3 2 are bent but not cut portions of the fins 2 3 0 respectively. The inner wall is stacked with 234 stamped parts. Please refer to Figure 2A and Figure 3A. The housing seat 20, the system that forms the air outlet 216, and the closest binding piece 230 also pass through these. The first protrusions 232 are spaced apart and define a long and narrow opening 216a. Please refer to FIG. 3B, which illustrates a perspective view of another fin combined according to an embodiment of the present invention. Compared to FIG. 3A, the fin 23 of FIG. 3B has a plurality of second protrusions in addition to the plurality of first protrusions 2 32, which protrude from the bottom surface 2 3 0b of the fins 2 30 For example, the lower fins 230 are connected by welding or the like to effectively maintain the width of the long and narrow opening 216a surrounded by the two fins 230. Similarly, in order to reduce the material cost and the processing time, the second protrusions 234 can be directly formed by cutting and bending at the same time by using a punch method. The cut fins 23 are cut but not cut. In this embodiment, a first protrusion located at both ends of the fin 2 3〇

12340twf.ptd Page 12 1229254 V. Description of the invention (7) The output portion 232 and a pair of second protruding portions 234 can be made at the same time, and are located at the first protruding portion 232 and the pair of second protruding portions 2 of different fins 230. 34 can be fitted to each other, and a joint surface formed by the first protrusions 232 and the second protrusions 234 can be used to join to the inner wall of the housing 210. Referring to FIG. 2A and FIG. 3B, the inner wall system of the housing base 210 constituting the air outlet 216 and the closest fin 230 are also spaced apart from each other via these second protrusions 234 and constitute a * slim opening 216a. In summary, the fan module of the present invention uses a plurality of fins arranged in parallel to separate the air outlet of the shell seat into a plurality of narrow openings, and the width of these narrow openings is less than or equal to 1 mm. Therefore, when the fan module of the present invention is arranged inside a portable device, the fan module of the present invention can not only exhaust the internal heat of the portable device to the outside, but also use these parallel arrangements The fins block the external small conductive objects from the air outlet of the housing base, so it can effectively prevent the small external conductive objects from entering the interior of the electronic device through the housing base, so as to comply with the relevant safety regulations of portable devices. In addition, the portable device applicable to the fan module of the present invention is not limited to a notebook computer, such as a tablet computer or other types of portable devices. Although the present invention has been disclosed as above with an embodiment, it is not intended to limit the present invention. Any person skilled in the art can make some changes and decorations without departing from the spirit and scope of the present invention. The scope of protection shall be determined by the scope of the attached patent application.

12340twf.ptd Page 13 1229254 Brief Description of Drawings Figure 1 shows a perspective view of a conventional fan module. FIG. 2A illustrates a perspective view of a fan module according to an embodiment of the present invention. Fig. 2B shows an exploded perspective view of a fan module according to an embodiment of the present invention. FIG. 3A is a perspective view of a fin in accordance with an embodiment of the present invention after being stacked. FIG. 3B shows a perspective view of another fin in accordance with an embodiment of the present invention after being stacked. [Illustration of diagrammatic drawing] 100 fan module 110 housing base 112 accommodating space 1 14 inlet wind σ 116 outlet air D 120 fan 200 fan module 210 housing base 210a: cover plate 210b: base 212 accommodation space 214 inlet wind D 216 Outgoing wind α 216a: Narrow opening

12340twf.ptd Page 14 1229254 The diagram briefly explains the βτ ΚΓ J4 exit from the mouth 7 7 convex surface fan blade one two top bottom wind fin No. 2 2 0: 2 3 0: 2 3 0 a 2 3 0 b 2 3 2 · 2 3 4: IHlii Page 15 12340twf.ptd

Claims (1)

1229254 VI. Scope of patent application 1. A fan module comprising: a shell seat, which has a receiving space, an air inlet and an opposite air outlet, and the air inlet is connected to the receiving space and passes through the housing. The accommodating space communicates with the air outlet; a fan is disposed in the accommodating space; and a plurality of fins are disposed in the air outlet and are arranged parallel to each other, and the fins are respectively There are a plurality of first protrusions, which respectively protrude from a surface of the fins, and any two adjacent fins are spaced from each other via the first protrusions, and the fins extend out of the fins. The air outlet is divided into a plurality of narrow openings, and the width of the narrow openings is less than or equal to 1 mm. 2 · The fan module according to item 1 of the scope of the patent application, wherein the inner wall of the casing constituting the air outlet and the closest of the fins are spaced from each other through the first protrusions, and Constitutes one of these narrow openings. 3. The fan module according to item 1 of the scope of patent application, wherein the first protruding portions are respectively bent from the cut but not cut portions of the fins. 4. The fan module according to item 2 of the scope of patent application, wherein the fins are elongated, and the first protrusions are respectively located at two ends of the fins. 5. The fan module according to item 2 of the scope of patent application, wherein the fins are elongated, and the first protrusions are respectively located in the center of the fins. 6. The fan module according to item 2 of the scope of patent application, wherein each 12340twf.ptd Page 16 1229254 6. Scope of patent application The fin further has a plurality of second protrusions which protrude from the other surface corresponding to the fin. 7. The fan module according to item 6 of the scope of patent application, wherein the inner wall of the shell seat constituting the air outlet and the closest of the fins are spaced from each other through the second protrusions, and Constitutes one of these narrow openings. 8. The fan module according to item 6 of the scope of patent application, wherein the second protrusions are respectively bent but not cut from the fins. 9. The fan module according to item 6 of the scope of patent application, wherein the fins are elongated, and the second protrusions are respectively located at two ends of the fins. 1 0. The fan module according to item 1 of the scope of the patent application, wherein the width of the narrow openings is 0.8 to 1 mm. 1 1. The fan module according to item 1 of the scope of patent application, wherein the length direction of the air outlet is perpendicular to the arrangement direction of the fins. 1 2. The fan module according to item 1 of the scope of patent application, wherein the length direction of the air outlet is parallel to the length direction of the fins. 1 3. The fan module according to item 1 of the scope of patent application, wherein the housing seat includes a cover plate and a base, the air inlet is formed by the cover plate, and the air outlet is formed by the cover plate. And the base, and the fins are connected to the cover. 12340twf.ptd Page 17