TWI534596B - Wearable mobile device heat dissipation structure - Google Patents

Description

Wearable mobile device heat dissipation structure

A wearable mobile device heat dissipation structure, in particular, a wearable mobile device heat dissipation structure applied to the inside of a wearable mobile device for deheating.

According to the rapid development of technology, the current portable mobile devices are expanded to wearable devices in addition to mobile phones and tablets. For example, watches, necklaces and rings have become multifunctional mobile devices with In addition to the demand, electronic components such as touch screen and satellite positioning and motion sensing or medical monitoring can be added. In addition to being connected to other mobile devices via Bluetooth or the Internet, the smart watch can also be inserted into the SIN card for 3G. Or 4G network use and call or camera and video functions, so when the smart watch is running, it will generate heat. In addition, because the smart watch is dust-proof or waterproof or protected, its overall structure is designed as In a closed state, the heat generated by the internal electronic components cannot be dissipated to the outside to dissipate heat, and the heat is accumulated inside the watch or the device, thereby causing the smart watch to perform execution delay or pause or severely even crash or wait. Missing, so how to solve the problem of the smart watch and various wearable devices is the current top priority .

Accordingly, in order to effectively solve the above problems, the main object of the present invention is to provide a wearable mobile device heat dissipation structure that effectively solves the problem of heat accumulation inside a wearable mobile device.

The present invention provides a wearable mobile device heat dissipation structure, comprising: a wearable mobile device body and a flexible belt body; the wearable mobile device body has a receiving space and accommodates a plurality of An electronic component having at least one heat source; the flexible tape system being composed of any one of a rubber or a silicone material, the configuration having a capillary structure and a working liquid chamber, the chamber wall surface convex Extending a support portion, the flexible strip defines a heat absorbing portion and at least one heat dissipating portion, wherein the heat dissipating portion is configured to extend from both ends of the heat absorbing portion, and the heat absorbing portion and the electronic component or the heat source are any In contact with the conduction heat, the present invention provides a vapor-liquid circulation chamber in the flexible belt body and the structure directly provides the heat dissipation performance of the wearable mobile device, thereby improving the overall heat dissipation efficiency.

1‧‧‧Wearing mobile device heat dissipation structure

11‧‧‧ Wearable mobile device body

111‧‧‧ accommodating space

112‧‧‧Electronic components

1121‧‧‧heat source

12‧‧‧Flexible belt

121‧‧‧室

121a‧‧‧Support

1211‧‧‧ rib

1212‧‧‧ channel

1213‧‧‧ convex

122‧‧‧heat absorption department

123‧‧‧Capillary structure

124‧‧‧ Department of heat dissipation

2‧‧‧Working liquid

3‧‧‧ plating

4‧‧‧heat transfer unit

1 is a perspective exploded view of a first embodiment of a heat dissipation structure of a wearable mobile device according to the present invention; and FIG. 2 is a cross-sectional view of a first embodiment of a heat dissipation structure of a wearable mobile device according to the present invention; Figure 2 is a partial cross-sectional enlarged view of the second embodiment of the heat-dissipating structure of the wearable mobile device of the present invention; Figure 4 is a perspective exploded view of the second embodiment of the heat-dissipating structure of the wearable mobile device of the present invention Figure 5 is a cross-sectional view showing a second embodiment of the heat dissipation structure of the wearable mobile device of the present invention; and Figure 6 is a partial cross-sectional enlarged view showing the second embodiment of the heat dissipation structure of the wearable mobile device of the present invention; Figure 7 is a cross-sectional view showing a third embodiment of the heat-dissipating structure of the wearable mobile device of the present invention; and Figure 8 is a cross-sectional view showing a fourth embodiment of the heat-dissipating structure of the wearable mobile device of the present invention; A perspective exploded partial cross-sectional view of a fifth embodiment of the heat sink structure of the wearable mobile device of the present invention.

The above object of the present invention, as well as its structural and functional features, will be described in accordance with the preferred embodiments of the drawings.

1 and 2 are a perspective exploded view and a partial cross-sectional enlarged view of a first embodiment of a heat dissipating structure of a wearable mobile device according to the present invention. As shown, the wearable action of the present invention is illustrated. The device heat dissipation structure 1 includes a wearable mobile device body 11 and a flexible belt body 12; the wearable mobile device body 11 has an accommodation space 111 and accommodates a plurality of electronic components 112. Element 112 has at least one heat source 1121.

The flexible belt body 12 is formed of any one of a rubber or a silicone material, and has a chamber 121. The wall surface of the chamber 121 protrudes from a support portion 121a, and at least one capillary structure 123 is disposed in the chamber 121. And a working liquid 2.

The support portion 121a has a plurality of ribs (continuous (such as strips) or discontinuous) 1211. The ribs 1211 are juxtaposed in parallel, and the ribs 1211 have at least one channel 1212 therebetween. It is used as a steam passage for evaporative vaporization of working liquid 2.

The flexible strip 12 defines a heat absorbing portion 122 and at least one heat dissipating portion 124. The heat dissipating portion 124 is configured by extending at least one end of the heat absorbing portion 122.

The heat absorbing portion 122 is disposed in the accommodating space 111 of the wearable mobile device body 11 to be in contact with the electronic component 112 or the heat source 1121.

In this embodiment, the electronic components 112 are either a circuit board or a transistor or a CPU or an MCU or a display screen or a touch screen or a battery. The electronic component 112 is attached or placed in the heat absorbing portion 122. The heat absorbing portion 122 is disposed in the vicinity of the center of the flexible strip 12, and the upper side and the lower side thereof are directly connected to the electronic components 112 (as described in FIG. 2).

The heat absorbing portion 122 of the flexible strip 12 is thicker than other portions of the flexible strip 12 The heat is directly transmitted to the electronic component 112 or the heat source 1121 through the heat absorbing portion 122 to directly conduct heat, so that the heat absorbing portion 122 directly transfers heat to the flexible belt 12, and the flexible belt 12 is The working liquid 2 inside the chamber 121 is heated to evaporate and diffuse, and condenses in the chamber 121 at the heat radiating portion 124 of the flexible strip 12, and then flows back through the capillary structure 123 to the heat absorbing portion 122 to re-steam. The liquid circulation is used to achieve the effect of heat dissipation.

Please refer to Figures 4, 5 and 6 for a perspective exploded view, a combined cross-sectional view and a cross-sectional enlarged view of a second embodiment of the heat-dissipating structure of the wearable mobile device of the present invention. As shown, some structural techniques of this embodiment are shown. The features are the same as those in the foregoing first embodiment, and therefore will not be further described herein. However, the difference between the embodiment and the first embodiment is that the heat absorbing portion 122 of the embodiment is embedded with a heat transfer conductor 122a. And the side of the heat transfer conductor 122a is opposite to the electronic component 112 or the heat source 1121, and the other side of the heat transfer conductor 122a is opposite to the chamber 121 of the flexible tape 12, and The capillary structure 123 is partially extended around the heat transfer conductor 122a.

In this embodiment, the heat transfer conductor 122a is a copper plate body or an aluminum plate body or a metal plate body or a heat pipe or a uniform temperature plate or graphite. In this embodiment, a copper plate body is used as a description. The examples are not limited.

In this embodiment, the heat generated by the heat source 1121 of each electronic component 112 in the body of the wearable mobile device 11 is further absorbed and transmitted to the cavity through the heat transfer conductor 122a disposed in the heat sink 122. In the chamber 121, the working fluid 2 in the chamber 121 of the heat absorbing portion 122 is heated to be evaporated, vaporized and diffused in the chamber 121 of the heat absorbing portion 122, and condensed in the chamber 121 of the heat radiating portion 124 to be converted into a liquid state. Then, the capillary structure 123 is adsorbed and returned to the vicinity of the heat absorbing portion 122 to perform vapor-liquid circulation again, thereby generating a vapor-liquid circulation to achieve the effect of dissipating heat to the electronic components 112.

Please refer to FIG. 7 , which is a third embodiment of the heat dissipation structure of the wearable mobile device of the present invention. The sectional view of the combination is as shown in the figure. The structural features of the embodiment are the same as those of the foregoing second embodiment, and therefore will not be described again here. However, the difference between the embodiment and the first embodiment is that the present embodiment For example, the chamber 121 of the flexible belt body 12 further has a plating layer 3, and the plating layer 3 is disposed on the wall surface of the chamber 121, and the plating layer 3 can increase the working fluid 2 (refer to FIG. 5). The efficiency of condensation and the effect of collection.

FIG. 8 is a cross-sectional view showing a fourth embodiment of the heat dissipation structure of the wearable mobile device of the present invention. As shown in the figure, the structural features of the embodiment are the same as those of the first embodiment. The difference between the present embodiment and the foregoing first embodiment is that the present embodiment further has at least one heat transfer unit 4, which is a heat pipe or a uniform temperature plate or a graphite sheet. And the heat transfer unit 4 is disposed between the electronic component 112 and the flexible strap 12, and can further absorb the heat of the electronic components 112 through the heat transfer unit 4, and then transmit to the flexible The heat absorbing portion 122 of the strip body 12 conducts heat conduction, and the heat absorbing portion 122 transfers the received heat to the heat radiating portion 124 at the distal end to dissipate heat (as shown in Fig. 5).

FIG. 9 is a perspective exploded view of a fifth embodiment of the heat dissipation structure of the wearable mobile device of the present invention. As shown in the figure, some of the structural features of the embodiment are the same as those of the first embodiment. The difference between the present embodiment and the first embodiment is that the support portion 121a has a plurality of protrusions 1213 in the embodiment, and the protrusions 1213 are spaced apart, and the protrusions 1213 are laterally arranged. There is at least one passage 1212 between the longitudinal direction, and the passage 1212 can provide the working fluid 2 (as shown in FIG. 5) for use as an evaporated steam passage.

In the foregoing embodiments, the capillary structure 121 is a mesh body or a fiber body or a plurality of metal wire braids or sintered powder bodies. This embodiment uses a mesh body as an illustrative embodiment, but does not Limited.

1‧‧‧Wearing mobile device heat dissipation structure

11‧‧‧ Wearable mobile device body

111‧‧‧ accommodating space

112‧‧‧Electronic components

1121‧‧‧heat source

12‧‧‧Flexible belt

121‧‧‧室

122‧‧‧heat absorption department

123‧‧‧Capillary structure

124‧‧‧ Department of heat dissipation

121a‧‧‧Support

Claims (9)

A wearable mobile device heat dissipation structure includes: a wearable mobile device body having an accommodation space and accommodating a plurality of electronic components having at least one heat source; a flexible tape body, The flexible belt system is composed of any one of a rubber or a silicone material, and has a chamber protruding from a support portion, the chamber wall having at least one capillary structure and a chamber filled with a working liquid. The flexible strip defines a heat absorbing portion and at least one heat dissipating portion. The heat dissipating portion is configured to extend from both ends of the heat absorbing portion, and the heat absorbing portion is in contact with the electronic component or the heat generating source to conduct heat. The wearable mobile device heat dissipation structure according to claim 1, wherein the capillary structure is any one of a mesh body or a fiber body or a metal wire braid or a sintered powder body. The wearable mobile device heat dissipation structure according to claim 1, wherein the electronic components are circuit board or transistor or CPU or MCU or GPU or RAM or display screen or touch screen or battery . The wearable mobile device heat dissipation structure of claim 1, wherein the chamber wall mask has a plating layer. The wearable mobile device heat dissipation structure according to claim 1, wherein the heat absorbing portion is embedded with a heat transfer conductor, and the heat transfer conductor side is attached to the electronic component or the heat source. The other side of the heat transfer conductor is opposite to the chamber of the flexible strip, and the capillary structure is disposed around the heat transfer conductor. The wearable mobile device heat dissipation structure according to claim 5, wherein the heat absorbing portion of the flexible belt is thinner than other portions of the flexible belt, and the heat absorbing portion is partially Heat transfer good conductor contact. The wearable mobile device heat dissipation structure according to claim 1, further comprising at least one heat transfer unit, wherein the heat transfer unit is a heat pipe or a temperature equalization plate or a graphite sheet, and the heat transfer unit The system is disposed between the electronic component and the flexible tape. The wearable mobile device heat dissipation structure according to claim 1, wherein the support portion has a plurality of ribs which are juxtaposed in parallel and have at least one passage between the ribs. The wearable mobile device heat dissipation structure according to claim 1, wherein the support portion has a plurality of convex bodies, and the convex bodies are spaced apart, and the convex bodies have at least one passage between the lateral direction and the longitudinal direction.