TW202301936A - Elastic windshield - Google Patents

Abstract

An elastic windshield includes a base, a windshield portion and at least one elastic structure. The base extends along a longitudinal direction for being attached to an inner side of a casing. The windshield portion includes a windshield portion body, a connecting section and a guiding section. The windshield portion body extends along the longitudinal direction and form a space with the base. The connecting section is connected to the base and the windshield portion body. The guiding section is integrally formed and extends from one end of the windshield portion body along a first oblique direction different from the longitudinal direction. The at least one elastic structure is arranged between the base and the windshield portion body to elastically support the windshield portion body. Wherein, by the elastic support of at least one elastic structure, the windshield portion body is elastically abutted against a circuit board assembly, thereby filling a gap between the circuit board assembly and the casing.

Description

Elastic windshield

The present invention relates to an elastic wind-blocking sheet, in particular to an elastic wind-blocking sheet used to prevent airflow from flowing through a gap inside an electronic device.

Please refer to the first figure and the second figure, the first figure is a three-dimensional schematic view of the electronic device of the prior art, and the second figure is a plan view of the electronic device of the prior art without a windshield. As shown in the first and second figures, the existing electronic device PA100 includes a casing PA1, a circuit board assembly PA2, and a windshield PA3; wherein, the circuit board assembly PA2 includes a plurality of electronic components PA21 (only mark one), and the windshield PA3 is set above the circuit board assembly PA2, and is fixed to the casing PA1 to limit the flow direction of the airflow, so that the heat dissipation airflow can pass between the circuit board assembly PA2 and the windshield PA3 , and further dissipate heat from the electronic component PA21 on the circuit board assembly PA2.

Based on the above, although through the design of the windshield PA3, the heat dissipation airflow can be concentrated between the windshield PA3 and the circuit board assembly PA2, but there is often a gap between the electronic component PA21 and the casing PA1, so the heat dissipation The airflow is likely to be diverted to the gap, which relatively reduces the flow between the plurality of electronic components PA21 and reduces the heat dissipation effect of the circuit board assembly PA2.

Please continue to refer to the third figure, the third figure is a schematic plan view of the electronic device in the prior art with the wind blocking element. As shown in Figure 2 and Figure 3, in order to improve the problem of the relative reduction of the flow between multiple electronic components PA21 caused by the diversion of heat dissipation airflow to the gap, a wind blocking element PA200 is usually provided inside the casing PA1 in the prior art. The above-mentioned gap is filled by the air blocking element PA200, which effectively blocks the flow of airflow.

The wind blocking elements used in the prior art are usually foam blocks or hard caulking gaskets. However, although the foam blocks are flexible as the wind blocking elements, their structure is relatively loose, and they are easy to deteriorate due to aging or assembly of the circuit board assembly PA2. When the hook is pulled, the dust or foam shavings after the deterioration of the foam block enters the circuit board assembly PA2, which leads to problems such as poor signal or short circuit; and the use of hard caulking gaskets as air blocking components, although it solves the problem of The problem of foam dust is solved, but in order to install the caulking gasket on the casing PA1, it is necessary to process and open holes in the casing PA1, and the assembly process of the circuit board assembly PA2 is also prone to wear due to friction.

The invention provides an elastic wind blocking sheet, which can make the rigid material have the function of elastic deformation through structural design.

In order to solve the problems of the prior art, the necessary technical means adopted by the present invention is to provide an elastic wind blocking sheet, which is used in an electronic device. The electronic device includes a casing and a circuit board assembly, and the casing includes a bottom casing and at least One side of the stand, at least one side of the stand is connected to one side of the bottom case, the circuit board assembly is fixed on the bottom case to form a gap with at least one side of the stand, and the elastic wind-blocking sheet includes a base and a wind-blocking portion and at least one elastic structure.

The base extends along a length direction and is used for attaching to the inner side of at least one stand at the gap. The wind blocking part includes a wind blocking part body, a connecting section and a guiding section. The main system of the wind resistance part extends along the length direction and is arranged at intervals from the base part. The connecting section is connected to the base and the main body of the wind-blocking part. The guide section is integrally formed and extends from one end of the main body of the choke part along a first inclined direction different from the length direction.

At least one elastic structure is disposed between the base portion and the main body of the wind-blocking portion for elastically supporting the main body of the wind-blocking portion. Wherein, by the elastic support of at least one elastic structure, the main body of the wind-blocking part is elastically abutted against the circuit board assembly, thereby filling the gap.

The elastic wind-blocking sheet of the present invention can be directly attached to the inner side of the side frame by using the base, and then use the elastic structure arranged between the body of the wind-blocking portion and the base to make the body of the wind-blocking portion move relative to the base, and The installation of the circuit board assembly is contacted by the setting of the guide section, so that the body of the choke part can be driven by the guide section to move toward the base, and then through the return elasticity of the elastic structure, the body of the choke part contacts the circuit board assembly , so as to effectively fill the gap between the circuit board assembly and the side stand.

The specific embodiments adopted by the present invention will be further described by the following embodiments and drawings.

Please refer to the fourth figure to the eighth figure, the fourth figure is a three-dimensional schematic view of the elastic wind-blocking sheet according to an embodiment of the present invention; the fifth figure is a three-dimensional schematic view from another angle of the fourth figure; the sixth figure is The plan view of the expansion of the fourth figure; the seventh figure is the A-A cross-sectional schematic diagram of the fourth figure; the eighth figure is the B-B cross-sectional schematic diagram of the fourth figure.

As shown in Figures 4 to 8, an elastic wind-blocking sheet 100 includes a base 1, a wind-blocking portion 2, three elastic structures 3 (only one is marked in the figure) and four elastic structures 4 (only one is marked in the figure). mark one).

The base 1 extends along a length direction D1 and has two bonding regions 11 and 12 . The choke part 2 includes a choke body 21 , a connecting section 22 , a movable side extension structure 23 , two guide sections 24 and 25 , two extended and fixed sections 26 and 27 and four corner choke structures 28 (Only one is marked in the picture).

The choke body 21 extends along the length direction D1 and is spaced apart from the base 1 , and the choke body 21 has a fixed side 211 , a movable side 212 , a first end 213 and a second end. 214, the fixed side 211 and the movable side 212 respectively extend along the length direction D1 and are parallel to each other, and the first end side 213 and the second end side 214 respectively extend along a width direction D2 perpendicular to the length direction D1 and are parallel to each other , and are connected to the two ends of the fixed side 211 and the movable side 212 respectively.

The guide section 24 is integrally connected to the first end side 213 of the wind choke body 21, and extends from the first end side 213 toward the base 1 along a first inclined direction D3 different from the length direction D1, and the end The extended fixed section 26 is integrally formed from the other end of the guide section 24 relative to the first end edge 213 and extends along the longitudinal direction D1; wherein, the included angle between the first inclined direction D3 and the longitudinal direction D1 is between 30 degrees to Between 60 degrees, and in this embodiment 45 degrees. In addition, the guide section 25 and the guide section 24, the second end side 214 and the first end side 213, the end extension fixing section 27 and the end extension fixing section 26 are all arranged symmetrically with respect to the wind choke body 21. , so it will not be described here.

The connecting section 22 is integrally connected to the fixed side 211 of the base 1 and the wind choke body 21, and extends from the fixed side 211 to the base 1 along a second inclined direction D4 different from the width direction D2; wherein, The included angle between the second inclination direction D4 and the width direction D2 is between 30 degrees and 60 degrees, and in this embodiment is 45 degrees. On the other hand, the movable side extension structure 23 includes a side extending and fixing section 231 and an extending and attaching section 232. The side extending and fixing section 231 is integrally connected to the movable side 212, and extends from the movable side 212 along a Another second oblique direction (not shown) that is different from the width direction D2 extends, and the extension attaching section 232 is integrally connected to the other side of the side extending and fixing section 231 relative to the wind choke body 21 , And the fixing section 231 extending from the side extends along the width direction D2. In addition, the connection section 22 and the side extending fixing section 231 are arranged symmetrically with respect to the main body 21 of the choke portion.

The four corner wind blocking structures 28 are similar structures, and each corner wind blocking structure 28 includes a corner wind blocking section 281 and a folded section 282 . Taking one of them as an example, the corner choke section 281 is integrally connected to the guide section 24 , and the folded section 282 is integrally formed to connect to the corner choke section 281 and extends to the choke body 21 between base 1.

The elastic structure 3 includes a first bending section 31 and a second bending section 32 . The first bending section 31 is integrally formed by bending and extending from the base 1 along a first bending direction D5 different from the length direction D1, and the second bending section 32 is extending from the first bending section 31 along a parallel direction. The second bending direction D6 extending in the longitudinal direction D1 is used to abut against the main body 21 of the wind-blocking portion. Wherein, the first bending direction D5 is a direction extending obliquely from the base 1 to the end extending the fixing section 27, and the angle between it and the length direction D1 is between 30 degrees and 60 degrees, and in this embodiment is 45 degrees, and the included angle between the second bending direction D6 and the first bending direction D5 is between 30 degrees and 60 degrees, and is also 45 degrees in this embodiment.

On the other hand, the elastic structures 3 and 4, the first bending sections 31 and 41, the second bending sections 32 and 42, the first bending directions D5 and D7, and the second bending directions D6 and D8 are all based on the base 1 is the direction in which the centers are symmetrical to each other, so it will not be described here.

Based on the above, the elastic structure 3 and the elastic structure 4 are both arranged between the base 1 and the choke body 21 to elastically support the choke body 21, the only difference being that the two are left-right symmetrical in the longitudinal direction D1 The structure and the difference in quantity; but the present invention is not limited thereto, and may also be a staggered design or an adjustment in quantity depending on the requirement.

As for the specific structure of the elastic wind-blocking sheet of the present invention, it can be seen from the expanded elastic wind-blocking sheet 100a shown in Figure 6 that the expanded wind-blocking portion 2a is formed by bending a plurality of folding lines to form various parts, wherein the connecting The section 22 is connected to the base 1, so the base 1 and the wind blocking part 2 are integrally formed, and the movable side extension structure 23 is a free end relative to the connecting section 22; in addition, the elastic structures 3 and 4 are also formed by the elasticity of the expansion. The structures 3a and 4a are formed by bending, and the unfolded elastic structures 3a and 4a are actually divided from the base 1 by cutting, so the elastic structures 3 and 4 are also integrally connected to the base 1 .

Please continue to refer to Figures 9 and 10. Figure 9 is a three-dimensional schematic view of the elastic wind-blocking sheet in Figure 4 installed in the electronic device; Figure 10 is a schematic view of the elastic wind-blocking sheet in Figure 9 installed in the electronic device. Schematic plan view.

As shown in FIG. 4 to FIG. 10 , the elastic wind blocking sheet 100 of the present invention is used in an electronic device 200 , and the electronic device 200 includes a casing 201 and a circuit board assembly 202 . The case 201 includes a bottom case 2011 and two side stands 2012 and 2013 connected to two sides of the bottom case 2011 . The circuit board assembly 202 is fixed on the bottom case 2011 and forms a gap with the side stand 2012 and the side stand 2013 respectively (not shown). Wherein, in this embodiment, the elastic wind-blocking pieces 100 can be respectively disposed on the side stands 2012 and 2013 .

Based on the above, the elastic wind-blocking sheet 100 of this embodiment is attached to the inner sides of the side stand frames 2012 and 2013 at the gaps between the adhesive regions 11 and 12 of the base 1 and the extended and fixed sections 26 and 27 at the ends. Therefore, the entire elastic wind blocking sheet 100 is disposed in the electronic device 200 .

Please continue to refer to Figure 11. Figure 11 is a schematic plan view of the elastic wind-blocking sheet in Figure 4 being disposed on the casing and the circuit board assembly in contact with the elastic wind-blocking sheet. As shown in Figures 4 to 11, since the choke body 21 only connects the fixed side 211 to the base 1 through the connecting section 22, and the movable side 212 is a free end, so when the circuit board assembly 202 moves along When the assembly direction moves from the outside of the casing 201 to the inside of the casing 201 and approaches the elastic wind blocking sheet 100, the elastic wind blocking sheet 100 can abut against the circuit board assembly 202 through the guide section 24, and when the electronic component 2021 presses against the guide When the section 24 is guided, the choke body 21 connected to the guide section 24 will be driven to approach the base 1 , thereby reducing the degree of friction between the circuit board assembly 202 and the elastic choke piece 100 .

Please continue to refer to the twelfth figure, the twelfth figure is a schematic plan view of the elastic wind blocking piece in the fourth figure filling the gap between the circuit board assembly and the casing. As shown in the fourth to twelfth figures, when the circuit board assembly 202 is installed in the casing 201, the elastic structures 3 and 4 between the choke body 21 and the base 1 are compressed, and the elastic structures 3 and 4 are compressed. The return elastic force of 4 will push against the choke body 21, and then make the choke body 21 abut against the circuit board assembly 202, effectively filling the gap between the electronic component 2021 of the circuit board assembly 202 and the side stands 2012 and 2013. Therefore, the cooling airflow entering the housing 201 will flow between the plurality of electronic components 2021 of the circuit board assembly 202 due to the arrangement of the elastic wind blocking sheet 100 .

To sum up, the elastic wind-blocking sheet of the present invention can be directly attached to the inner side of the side frame by using the base, and then use the elastic structure arranged between the body of the wind-blocking portion and the base to make the body of the wind-blocking portion relatively The base moves and touches the installed circuit board assembly through the setting of the guide section, so that the main body of the choke part can be driven by the guide section to move toward the base, and then the body of the choke part can be moved by the return elasticity of the elastic structure. The circuit board assembly is abutted to effectively fill the gap between the circuit board assembly and the side stand.

In an embodiment of the present invention, the elastic wind-blocking sheet of the present invention can be applied to a server, and the server can be used for artificial intelligence (English: Artificial Intelligence, referred to as AI) computing, edge computing (Edge Computing), and It can be used as a 5G server, cloud server or Internet of Vehicles server.

Through the above detailed description of the preferred embodiments, it is hoped that the characteristics and spirit of the present invention can be described more clearly, and the scope of the present invention is not limited by the preferred embodiments disclosed above. On the contrary, the intention is to cover various changes and equivalent arrangements within the scope of the patent application for the present invention.

PA100: Electronic devices PA1: Chassis PA2: Circuit board assembly PA3: windshield PA21: Electronic components PA200: wind resistance element 100: Elastic wind blocking sheet 100a: Expanded elastic wind-blocking sheet 1: base 11,12: bonding area 2: wind resistance 2a: Expanded wind choke 21: The main body of the wind resistance 211: fixed side 212: Activity side 213: first end edge 214: second end edge 22: link segment 23: Active side extension structure 231: side extension fixed section 232: Extended attachment section 24,25: leading segment 26,27: end extension fixed section 28: Corner wind blocking structure 281: Corner wind blocking section 282: folding section 3: Elastic structure 3a: Expanded Elastic Structure 31: The first bending section 32: The second bending section 4: Elastic structure 4a: Expanded Elastic Structure 41: The first bending section 42: The second bending section 200: electronic device 201: Chassis 2011: Bottom shell 2012,2013: side stand 202: Circuit board assembly 2021: Electronic components D1: Length direction D2: Width direction D3: First tilt direction D4: Second tilt direction D5: The first bending direction D6: Second bending direction D7: The first bending direction D8: Second bending direction

The first figure is a three-dimensional schematic diagram of an electronic device in the prior art; The second figure is a schematic plan view of an electronic device in the prior art without a windshield; The third figure is a schematic plan view of an electronic device in the prior art provided with a wind blocking element; Figure 4 is a three-dimensional schematic view of the elastic wind-blocking sheet according to an embodiment of the present invention; The fifth figure is a three-dimensional schematic diagram of another perspective of the fourth figure; Figure 6 is a schematic plan view of the expansion of Figure 4; The seventh figure is a schematic diagram of the section A-A of the fourth figure; The eighth figure is a schematic diagram of the B-B section of the fourth figure; Figure 9 is a three-dimensional schematic view of the elastic wind-blocking sheet in Figure 4 installed in the electronic device; Figure 10 is a schematic plan view of the elastic wind-blocking sheet in Figure 9 installed in the electronic device; Figure 11 is a schematic plan view of the elastic wind-blocking sheet in Figure 4 being set on the casing, and the circuit board assembly is in contact with the elastic wind-blocking sheet; and Figure 12 is a schematic plan view of the elastic wind-blocking sheet in Figure 4 filling the gap between the circuit board assembly and the casing.

100: Elastic wind blocking sheet

2: wind resistance

21: The main body of the wind resistance

211: fixed side

212: Activity side

213: first end edge

214: second end edge

22: link segment

23: Active side extension structure

231: side extension fixed section

232: Extended attachment section

24,25: leading segment

26,27: end extension fixed section

28: Corner wind blocking structure

D1: Length direction

D2: Width direction

D3: First tilt direction

D4: Second tilt direction

Claims (10)

An elastic wind-blocking sheet is used for an electronic device, the electronic device includes a case and a circuit board assembly, the case includes a bottom case and at least one side stand, and the at least one side stand is connected to the On one side of the bottom case, the circuit board assembly is fixed on the bottom case to form a gap with the at least one side stand, and the elastic wind-blocking sheet includes: a base extending along a length direction for attaching to the inner side of the at least one side stand at the gap; A choke part, including: a main body of the wind blocking part extending along the length direction and spaced apart from the base; a connection section, which connects the base and the choke body; and a guide section integrally formed and extending from one end of the choke body toward the base along a first inclined direction different from the length direction; and At least one elastic structure is arranged between the base and the main body of the wind choke to elastically support the main body of the wind choke; Wherein, by virtue of the elastic support of the at least one elastic structure, the main body of the wind blocking part elastically abuts against the circuit board assembly, thereby filling up the gap. The elastic wind-blocking sheet according to claim 1, wherein the wind-blocking portion body further has a fixed side, a movable side, a first end, and a second end, and the fixed side and the movable The side edges extend along the length direction respectively, and the connecting section is integrally connected to the fixed side edge, the first end edge and the second end edge respectively extend along a width direction perpendicular to the length direction, and respectively connected to the two ends of the fixed side and the movable side, and the guide section is integrally connected to the first end. The elastic wind-blocking sheet according to claim 2, wherein the connecting section is integrally formed and extends from the fixed side edge to the base along a second oblique direction different from the width direction. The elastic wind-blocking sheet according to claim 3, wherein the included angle between the first inclined direction and the longitudinal direction is between 30 degrees and 60 degrees, and the included angle between the second inclined direction and the width direction is Between 30 degrees and 60 degrees. The elastic wind-blocking sheet according to claim 1, wherein the at least one elastic structure includes: a first bend section bends and extends from the base along a first bend direction different from the lengthwise direction; and A second bending section extends from the first bending section along a second bending direction parallel to the longitudinal direction, and is used to abut against the main body of the wind choke portion. The elastic wind-blocking sheet according to claim 5, wherein the included angle between the first bending direction and the longitudinal direction is between 30 degrees and 60 degrees, and the second bending direction and the first bending direction The included angle between the directions is between 30 degrees and 60 degrees. The elastic wind-blocking sheet according to claim 1, wherein the wind-blocking portion further includes an extended fixed section extending along the length direction from the other end of the guiding section relative to the wind-blocking portion body. , and used to be attached to the inner side of the at least one side stand at the gap. The elastic wind-blocking sheet as described in Claim 1, wherein the wind-blocking part further includes a corner wind-blocking structure, and the corner wind-blocking structure includes: A corner wind blocking section is integrally connected to the guide section: and A folding section is integrally connected to the corner wind-blocking section and extends to between the wind-blocking body and the base. The elastic wind-blocking sheet as described in claim 1, wherein the wind-blocking portion further includes a movable side extension structure, and the movable side extension structure includes: A fixed section extending from one side is integrally connected to the main body of the wind choke; and An extended attaching section is integrally connected to the other side of the side extended fixing section relative to the wind choke body, and is used for attaching to the inner side of the at least one side stand at the gap. The elastic wind-blocking sheet according to claim 1, wherein the base part further has at least one adhesive area, and the at least one adhesive area is used to glue and attach to the inner side of the at least one side stand at the gap .

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