CN202142520U - Flow guiding structure - Google Patents

Abstract

The utility model is a flow guiding structure, including a plurality of heat dissipation fins, wherein a first inclined portion is formed at one end of the heat dissipation fins, and a second inclined portion is formed at the other end, and each adjacent heat dissipation fin has a channel, wherein a first flow guiding channel and a second flow guiding channel are formed at the first inclined portion and the second inclined portion respectively. Through the above-mentioned flow guiding structure, the cold air flow can be quickly introduced into the plurality of heat dissipation fins through the flow guiding channel, thereby improving the flow field and achieving the best heat dissipation effect.

Description

diversion structure

technical field

The utility model relates to a flow guiding structure, in particular to a flow guiding structure capable of improving heat dissipation efficiency.

Background technique

With the continuous progress and wide application of the technology era, in order to adapt to the development trend of increasing the amount of data processing and real-time requirements, related industries continue to introduce high-frequency and high-speed processors, but relatively, the accompanying high-heat problems are becoming more and more serious. Seriously, if the large amount of heat is not removed in time, the temperature of the processor will rise, which will affect the safety and performance of the system. Therefore, a better heat dissipation device must be used to cope.

As shown in Figure 1, most of the heat sinks 1 used in the market are vertically parallel in shape. There is a flow guide area 11 between the two heat sinks 1, and a fan group 10 is installed on one side of the heat sink 1. Make it a heat dissipation device, when the heat dissipation device is installed on the surface of the electronic heating element, when the fan group 10 starts to run, the cold air flows into the air guide area 11 through the air inlet 12 and blows into the heat sink 1, and the heat generated by the electronic components is utilized to conduct The flow way dissipates the heat energy. But this kind of cooling device, because the cooling fins 1 are arranged vertically and parallelly, the end faces of the air inlet 12 and the hot air outlet 13 are all plane vertical shapes, so that the heat energy is not easy to radiate outwards at the parallel outlets. Easy to produce thermal backflow phenomenon. Such a conduction heat dissipation method cannot effectively improve the heat exchange effect of air convection, affects the heat conduction efficiency, and the heat dissipation effect is limited, which is not ideal, and it is necessary to improve it.

As mentioned above, known to have the following shortcoming:

1. Heat energy is not easy to dissipate;

2. It is easy to generate thermal reflow.

Therefore, how to solve the problems and deficiencies of the above-mentioned common usage is the direction that the author of this case and related manufacturers engaged in this industry want to study and improve.

Utility model content

Therefore, in order to effectively solve the above-mentioned problems, the main purpose of the present utility model is to provide a flow guide structure that can improve the heat dissipation efficiency.

In order to achieve the above purpose, the utility model is a flow guide structure, comprising: a plurality of heat dissipation fins, the two ends of these heat dissipation fins respectively have a first end and a second end, and between adjacent heat dissipation fins There is a channel, and at least one first inclined portion is extended at the first end, the inclined portion forms a first guide channel, and a first included angle is formed between the cooling fins and the first inclined portion , the angle of the first included angle is greater than 90° and less than 180°. The second end formed by the other end of the first end of the heat dissipation fin has at least one second inclined portion extending at its position, and a second included angle is formed between the heat dissipation fins and the second inclined portion, the The angle of the second included angle is greater than 90° and less than 180°, and the channel forms a second guide channel at the position of the second inclined portion. The angle between the first air guide channel and the second air guide channel formed by the aforementioned air guide structure can be changed according to the needs of users to form a suitable guide air channel, which can guide The air flow direction is smoothly introduced into the airflow, changing the flow field of the airflow, avoiding heat backflow, and then reducing the inlet air temperature of the system or radiator to improve heat dissipation efficiency.

Specifically, the utility model provides a flow guide structure, including: a plurality of heat dissipation fins, the two ends of the heat dissipation fins respectively have a first end and a second end, and the adjacent heat dissipation fins There is a channel, and at least one first inclined portion is extended at the first end, and a first guide channel is formed at the position of the first inclined portion of the channel.

Preferably, in the above-mentioned flow guiding structure, at least one second inclined portion is extended at the position of the second end, and the channel forms a second flow guiding channel at the position of the second inclined portion.

Preferably, in the above-mentioned flow guiding structure, at least one third inclined portion is further extended at the position of the first end, and a third flow guiding channel is formed at the position of the third inclined portion in the channel.

Preferably, in the above-mentioned flow guide structure, the third inclined portion is adjacent to the first inclined portion.

Preferably, in the above-mentioned flow guiding structure, at least one fourth inclined portion further extends at the position of the second end, and the channel forms a fourth flow guiding channel at the position of the fourth inclined portion.

Preferably, in the flow guide structure, the fourth inclined portion is adjacent to the second inclined portion.

Preferably, in the above-mentioned air guide structure, a first included angle is formed between the plurality of cooling fins and the first inclined portion, and the angle of the first included angle is larger than 90° and smaller than 180°.

Preferably, in the air guide structure, a second angle is formed between the heat dissipation fins and the second inclined portion, and the angle of the second angle is greater than 90° and less than 180°.

Preferably, in the air guiding structure, a third included angle is formed between the cooling fins and the third inclined portion, and the angle of the third included angle is larger than 90° and smaller than 180°.

Preferably, in the air guide structure, a fourth included angle is formed between the cooling fins and the fourth inclined portion, and the angle of the fourth included angle is greater than 90° and less than 180°.

Preferably, in the air guide structure, a fan is provided below the other end of the heat dissipation fins relative to the first inclined portion to generate air flow to the channel and sent out from the first air guide channel.

Preferably, in the air guiding structure, a fan is provided at the position of the second inclined portion to generate air flow to the channel and be sent out from the first air guiding structure.

Preferably, in the air guide structure, the air guide structure is installed in a case, the case has at least one air outlet, and the first air guide channel is relatively arranged at the position of the air outlet.

Preferably, in the air guide structure, the air guide structure is installed in a case, the case has at least one air outlet, and the second air guide is arranged opposite to the position of the air outlet.

Through the above-mentioned air guide structure, the cold air flow can be quickly guided into multiple cooling fins along the air guide channel, so as to improve the flow field and achieve the best heat dissipation effect. In addition, the air guide structure does not require additional cost, and can effectively improve the heat dissipation of the system in a narrow space environment.

Description of drawings

Fig. 1 is a three-dimensional schematic diagram of a known diversion structure;

Fig. 2 is the three-dimensional combination diagram of the diversion structure of the present utility model;

Fig. 3 is the air guide schematic diagram of the first embodiment of the air guide structure of the present utility model;

Fig. 4 is a three-dimensional combination diagram one of another diversion structure of the utility model;

Fig. 5 is the air guide schematic diagram of the second embodiment of the air guide structure of the present utility model;

Fig. 6 is the three-dimensional combination drawing 2 of another diversion structure pattern of the present utility model;

Fig. 7 is the air guide schematic diagram of the third embodiment of the air guide structure of the present utility model;

Fig. 8 is a three-dimensional combination drawing of another diversion structure of the present invention;

Fig. 9 is the air guide schematic diagram of the fourth embodiment of the air guide structure of the present utility model;

Fig. 10A is a three-dimensional schematic diagram 1 of the diversion structure of the present invention installed in the chassis;

Figure 10B is a three-dimensional schematic diagram 2 of the diversion structure of the present invention installed in the chassis;

Figure 10C is a three-dimensional schematic diagram of the diversion structure of the present invention installed in the chassis;

Fig. 10D is a three-dimensional schematic diagram 4 of the diversion structure of the utility model installed in the case.

[Description of main component symbols]

Diversion structure 2

Heat sink fins 20

First end 201

First Tilt 2011

The Third Incline 2012

Second end 202

Second Incline 2021

Fourth Incline 2022

First angle 203

Second included angle 204

Third angle 205

Fourth included angle 206

Channel 3

First guide channel 31

The second guide channel 32

The third diversion channel 33

The fourth guide channel 34

fan 4

Chassis 5

Air outlet 51

Detailed ways

The above-mentioned purpose of the utility model and its structural and functional characteristics will be described according to the preferred embodiments of the accompanying drawings.

First of all, please refer to Fig. 2, which is a three-dimensional combination diagram of the utility model air guide structure 2. As shown in the figure, a flow guide structure 2 includes: a plurality of heat dissipation fins 20, and these heat dissipation fins 20 Both ends have a first end 201 and a second end 202 respectively, and there is a channel 3 between adjacent cooling fins 20, and at least one first inclined portion 2011 is extended at the position of the first end 201. The adjacent first inclined portion 2011 forms a first guide channel 31, and a first included angle 203 is formed between the heat dissipation fins 20 and the first inclined portion 2011, and the angle of the first included angle 203 is greater than 90° Less than 180°.

Please refer to Fig. 2 and Fig. 3 again, which are the schematic diagrams of the first embodiment of the utility model for air guiding, and the heat dissipation fins 20 of the aforementioned air guiding structure 2 are arranged behind the other end of the first inclined portion 2011. There is a fan 4. When the fan 4 is in operation, the air flow passes through the channels 3 between the cooling fins 20 to the first guide channel 31, and then guides the air flow out of the cooling fins 20. Due to the first inclination The part 2011 has a certain inclination angle. When the airflow flows out from the first inclination part 2011, it can reduce the backflow phenomenon caused by the reflection and collision between the airflow and the airflow. Compared with the air guide structure 2 produced by the general cooling fins 20, The air guide structure 2 of the utility model can make the air flow more smoothly, and further increase the air convection rate passing through the heat dissipation fins 20, so as to achieve rapid and efficient heat dissipation.

Next please refer to shown in Figure 4, which is a three-dimensional combination diagram of another flow guide structure 2 of the present utility model, and the corresponding relationship between the described flow guide structure 2 parts and elements is the same as the aforementioned flow guide The structure 2 is the same, so it will not be repeated here, but the main difference between the flow guide structure 2 and the above is that the flow guide structure 2 forms a second end relative to the other end of the first end 201 of the heat dissipation fins 20 202, at least one second inclined portion 2021 extends from the position of the second end 202, a second included angle 204 is formed between the heat dissipation fins 20 and the second inclined portion 2021, and the angle of the second included angle 204 is greater than 90° is smaller than 180°, and the channel 3 forms a second guide channel 32 at the position of the second inclined portion 2021 .

In addition, the air guide structure 2 of the present utility model can have different designs in response to different needs of users; please refer to Fig. 4 and Fig. 5, which are schematic diagrams of the second embodiment of the present utility model. After the cooling fins 20 and the first inclined portion 2011 and the second inclined portion 2021 are combined and arranged, a plurality of channels 3, a plurality of first flow guide channels 31 and a plurality of second flow guide channels 32 are formed. The heat dissipation fins 20 The first and second included angles 203 and 204 formed between the first and second inclined parts 2011 and 2021 can be changed according to the needs of users. When the fan 4 is running, the airflow first flows into the cooling fins The second flow guide channel 32 of the second end 202 of the sheet 20 then passes through the channels 3 of the heat dissipation fins 20, and then the air flow flows out to the first flow guide channel 31 of the first inclined portion 2011 to form a suitable flow guide As for the air duct, the air guide structure 2 of this aspect can also avoid the reflection and collision of the air flow to cause backflow.

The above-mentioned first angle 203 formed between the plurality of heat dissipation fins 20 and the first inclined portion 2011 and the second angle 204 formed between the plurality of heat dissipation fins 20 and the second inclined portion 2021 produce the best The angle is between 115° and 155°, when the airflow flows into the channel 3 of the heat dissipation fin 20 from the second guide channel 32 of the second inclined part 2021, and then flows out through the first guide channel 31 of the first inclined part 2011, It can minimize air stagnation and have the best air convection rate.

Compared with the air guide structure 2 produced by the general heat dissipation fins 20, the utility model utilizes the structure of the first inclined part 2011 and the second inclined part 2021 to not only change the air flow field, but also the first and second inclined parts 2011, The first and second guide channels 31 and 32 of 2021 respectively form the first and second included angles 203 and 204, which can prevent the backflow of the airflow when the airflow flows out of the heat dissipation fins 20, so that the flow velocity of the airflow is relatively increased and The circulation can be smoother, avoid stagnation and avoid heat backflow, thereby increasing the air convection rate passing through the heat dissipation fins 20 to achieve fast and efficient best heat dissipation.

Please refer to Fig. 6, which is a three-dimensional combination diagram of another diversion structure 2 of the present invention. This embodiment is the same as the above-mentioned part of the structural features, so it will not be repeated in this embodiment, but this embodiment The difference between the example and the previous embodiment is that at least one third inclined portion 2012 is extended at the position of the first end 201 of the heat dissipation fin 20, which is adjacent to the first inclined portion 2011, and the channel 3 is at the third The inclined portion 2012 forms a third flow guiding channel 33 , and a third included angle 205 is formed between the heat dissipation fins 20 and the third inclined portion 2012 , and the angle of the third included angle 205 is greater than 90° and less than 180°.

In addition, continue to refer to Fig. 6 and Fig. 7, which is a schematic combination diagram of another embodiment of the present utility model, the heat dissipation fins 20, the first inclined portion 2011, the second inclined portion 2021 and the third inclined portion After the parts 2012 are combined and arranged, the first, second and third included angles 203, 204 and 205 formed between the heat dissipation fins 20 and the first, second and third inclined parts 2011, 2021 and 2012 can be adjusted according to the needs of users. Changing the included angle, when the fan 4 is in operation, the air flow first flows into the second guide channel 32 of the second end 202 of the heat dissipation fin 20, and then passes through the channels 3 of the heat dissipation fins 20, and then the air flow reaches the second end 202 of the heat dissipation fin 20. The first flow guide channel 31 of an inclined portion 2011 flows out, and then the air flows back to the third flow guide channel 33 of the third inclined portion 2012, and then passes through the channels 3 of a plurality of cooling fins 20 from the opposite sides of the third inclined portion 2012. The second end 202 flows out to form a smooth converging air channel, so that stagnation of air flow will not occur, and the air convection rate passing through the cooling fins 20 can be effectively increased.

Continue referring to Fig. 8, which is a three-dimensional combination diagram of another diversion structure 2 of the present invention. This embodiment is the same as the above-mentioned part of the structural features, so it will not be repeated in this embodiment, but this embodiment The difference between the example and the previous embodiment is that at least one fourth inclined portion 2022 is extended at the position of the second end 202 of the heat dissipation fin 20, which is adjacent to the second inclined portion 2021, and the channel 3 is at the fourth The inclined portion 2022 forms a fourth guide channel 34 , and a fourth included angle 206 is formed between the heat dissipation fins 20 and the fourth inclined portion 2022 , and the angle of the fourth included angle 206 is greater than 90° and less than 180°.

Of course, the utility model can be shown in Figure 8 and Figure 9, after the combination of the heat dissipation fins 20, the first inclined part 2011, the second inclined part 2021, the third inclined part 2012 and the fourth inclined part 2022, the First, second, third, and fourth angles 203 , 204 , 205 , and 206 formed between the heat dissipation fins 20 and the first, second, third, and fourth inclined portions 2011 , 2021 , 2012 , and 2022 , respectively. When the fan 4 is in operation, the airflow first flows into the second guide channel 32 of the second end 202 of the heat dissipation fin 20, and then passes through the channels 3 of the heat dissipation fins 20, and then the airflow reaches the first slope of the first inclined portion 2011. A guide channel 31 flows out, and then the air flow returns to the third guide channel 33 of the third inclined portion 2012, and then passes through the channels 3 of a plurality of cooling fins 20, and finally, the air flow extends from the fourth end 202 of the second end 202. The flow guide channel 34 flows out to form the best and smooth converging air channel of the present utility model. In this way, the flow guide structure 2 of the present utility model can easily achieve the change of the air flow field, so as not to cause the stagnation of the air flow and collide the air flow The efficiency is reduced to the minimum, and the hot air is blown separately and evenly into other heat dissipation areas to achieve sufficient heat dissipation.

Finally, please refer to Fig. 8 and Fig. 10A, which are three-dimensional schematic diagrams of the diversion structure 2 of the present invention installed in the chassis 5, the diversion structure 2 is installed in a chassis 5, and the chassis 5 has at least one Air outlet hole 51, and this first guide channel 31 is arranged relatively at the position of air outlet hole 51; After the first guide channel 31 of the inclined part 2011 flows out, a suitable guide air channel is formed, which can not only discharge the hot air from the chassis 5 with high heat dissipation efficiency, but compared with the general heat dissipation fins 20 installed in the chassis 5 The diversion structure 2 generated inside, the utility model can make the hot air flow in the chassis 5 smoother, without hindering the hot air flow, and then increase the air convection rate through the cooling fins 20 .

Please refer to Fig. 8 and Fig. 10B, Fig. 10C, and Fig. 10D. This embodiment has the same structural features as the aforementioned parts, so it will not be repeated in this embodiment. It is worth mentioning that the installation cabinet 5 The inner flow guide structure 2 can be formed with a second flow guide channel 32, a second flow guide channel 32, a third flow guide channel 33, a second flow guide channel 32, a third flow guide channel 33 and a fourth flow guide channel 34. If there are more guide channels installed in the guide structure 2 in the case 5, the hot air flow in the case 5 will be smoother, and the air flow in the case 5 will reduce the airflow collision rate due to the increase of the guide channels. The air flow path is made smoother, thereby improving the cooling efficiency of the system and prolonging the life of the chassis 5 better.

As mentioned above, the utility model has the following advantages compared to the known ones:

1. Heat energy is easier to dissipate;

2. It is not easy to generate thermal backflow;

3. The air flow is smoother.

The above is only a preferred embodiment of the utility model, and all changes made by utilizing the above-mentioned method, shape, structure, and device of the utility model should be included in the scope of rights of the utility model.

Claims (14)

1. A flow guide structure, characterized in that it includes: a plurality of heat dissipation fins, the two ends of the heat dissipation fins respectively have a first end and a second end, and there is a channel between adjacent heat dissipation fins , and at least one first inclined portion extends at the position of the first end, and the channel forms a first guide channel at the position of the first inclined portion. 2. The diversion structure according to claim 1, wherein at least one second inclined portion extends at the second end, and the channel forms a second guide channel at the second inclined portion . 3. The diversion structure according to claim 1, wherein at least one third inclined portion is further extended at the position of the first end, and a third diversion is formed at the position of the third inclined portion of the channel road. 4. The flow guide structure according to claim 1, wherein the third inclined portion is adjacent to the first inclined portion. 5. The diversion structure according to claim 1, wherein at least one fourth inclined portion is further extended at the position of the second end, and a fourth diversion is formed at the position of the fourth inclined portion of the channel road. 6. The flow guide structure according to claim 2, wherein the fourth inclined portion is adjacent to the second inclined portion. 7. The air guide structure according to claim 1, wherein a first included angle is formed between said cooling fins and said first inclined portion, and the angle of said first included angle is larger than 90° and smaller than 180°. °. 8. The air guide structure according to claim 2, wherein a second included angle is formed between the plurality of cooling fins and the second inclined portion, and the angle of the second included angle is larger than 90° and smaller than 180°. °. 9. The air guide structure according to claim 3, wherein a third included angle is formed between the radiating fins and the third inclined portion, and the angle of the third included angle is larger than 90° and smaller than 180°. °. 10. The air guide structure according to claim 5, wherein a fourth included angle is formed between the radiating fins and the fourth inclined portion, and the angle of the fourth included angle is larger than 90° and smaller than 180°. °. 11. The air guide structure according to claim 1, characterized in that, a fan is provided below the other end of the heat dissipation fins relative to the first inclined portion to generate air flow to the channel and be guided by the first air guide sent out. 12 . The air guiding structure according to claim 2 , wherein a fan is provided at the second inclined portion to generate air flow to the passage and then sent out from the first air guiding structure. 13 . 13. The air guide structure according to claim 1, wherein the air guide structure is installed in a case, the case has at least one air outlet, and the first air guide is arranged opposite to the air outlet location. 14. The air guide structure according to claim 2, wherein the air guide structure is installed in a case, the case has at least one air outlet, and the second air guide is arranged opposite to the air outlet relative to the location.

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