TWI827426B - Control method of heat dissipation mode of fans of notebook computer - Google Patents

Abstract

A control method of a heat dissipation mode of fans of a notebook computer includes obtaining a mode switch command and switching the heat dissipation mode of a heat dissipation module including two front fans and two rear fans according to the mode switch command to an efficiency mode, a balance mode, a quiet mode or a comfort mode. When the heat dissipation mode of the heat dissipation module is at the efficiency mode, the front fans and the rear fans rotate in a high speed. When the heat dissipation mode of the heat dissipation module is at the balance mode, the front fans and the rear fans rotate in a middle speed that is lower than the high speed. When the heat dissipation mode of the heat dissipation module is at the quiet mode, two of the front fans and the rear fans rotate in the middle speed, and the other two of the front fans and the rear fans stop rotating. When the heat dissipation mode of the heat dissipation module is at the comfort mode, the front fans rotate in the high speed, and the rear fans stop rotating.

Description

How to control laptop fan cooling mode

The present invention relates to a method for controlling the cooling mode of a fan, in particular to a method for controlling the cooling mode of a laptop fan.

With the development of the electronic information industry, notebook computers have become more and more widely used, and users have increasingly higher requirements for their performance. Therefore, for the designers and manufacturers of high-performance laptops, effectively solving the heat dissipation problem has become an important condition for improving quality. As the main component of heat dissipation, the cooling fan’s heat dissipation effect will directly affect the use of high-performance laptops. Performance and longevity.

Generally speaking, in order to balance the performance of high-efficiency laptops with their thinness and lightness, they often compromise on the issue of noise, sacrificing the user experience. However, everyone has different tolerances for noise and temperature. That is, when the user wants to further lower the temperature and does not care about the noise, traditional notebook computers are often unable to force the cooling fan to start or increase heat dissipation according to the user's needs. Fan speed. Similarly, when a user cannot tolerate the noise and wants to force the cooling fan to turn off or reduce the speed of the cooling fan, traditional notebook computers cannot meet the user's expectations.

On the other hand, the waste heat discharged by the cooling fans on the left and right sides of the laptop may also affect the user's experience. For example, the waste heat discharged by the cooling fan may be blown to the location where the mouse is placed, causing the temperature of the area to rise. This will cause the user's left or right hand to produce a sensation when operating the mouse in a higher temperature environment. Feeling of discomfort.

Therefore, how to control the operation of the notebook computer fan according to the user's needs so that the user can have a better user experience is one of the goals that researchers in this field want to achieve.

The present invention provides a method for controlling the cooling mode of a laptop fan, thereby solving the problem in the prior art that the fan operation of the laptop computer cannot be controlled according to the user's needs.

A method for controlling the cooling mode of a laptop fan disclosed in one embodiment of the present invention includes obtaining a mode switching command and switching the cooling mode of a cooling module including two front fans and two rear fans to a performance according to the mode switching command. mode, a balance mode, a quiet mode or a comfort mode. When the cooling mode of the cooling module is in the performance mode, both the front fan and the rear fan run at a high speed. When the heat dissipation mode of the cooling module is in the balanced mode, both the front fan and the rear fan run at a medium speed lower than the high speed. When the cooling mode of the cooling module is in the quiet mode, two of the front and rear fans run at medium speed, and the other two of the front and rear fans stop running. When the cooling mode of the cooling module is in the comfort mode, the front fans run at high speed and the rear fans stop running.

Another embodiment of the present invention discloses a method for controlling a cooling mode of a laptop fan, including obtaining a mode switching command and switching the cooling mode of a cooling module including two front fans and two rear fans to a cooling mode according to the mode switching command. Left-handed mode or a right-handed mode. When the cooling mode of the cooling module is in the left-hand mode, the one of the front fan and the rear fan closest to the user's left hand stops running, and the other three front fans and rear fans run. When the cooling mode of the cooling module is in the right-hand mode, the one of the front fan and the rear fan closest to the user's right hand stops running, and the other three front fans and rear fans run.

According to the control method of the laptop fan cooling mode disclosed in the above embodiment, by providing a mechanism that can adjust the laptop cooling module fan, after the laptop control system obtains the mode switching command, the cooling system can dissipate the heat according to the mode switching command. The heat dissipation mode of the module is switched to different modes, so that the user can switch the heat dissipation mode of the heat dissipation module according to actual use needs to meet various use environments and provide users with a better use experience.

The above description of the content of the present invention and the following description of the embodiments are used to demonstrate and explain the principles of the present invention, and to provide further explanation of the patent application scope of the present invention.

Detailed features and advantages of the embodiments of the present invention are described in detail below in the implementation mode. The content is sufficient to enable anyone with ordinary knowledge in the art to understand the technical content of the embodiments of the present invention and implement them accordingly, and based on the disclosure of this specification With the content, patent scope and drawings, anyone with ordinary knowledge in the art can easily understand the relevant objects and advantages of the present invention. The following examples further illustrate the aspects of the present invention in detail, but do not limit the scope of the present invention in any way.

Please refer to FIGS. 1 and 2 . FIG. 1 is a perspective view of a laptop according to an embodiment of the present invention, and FIG. 2 is a top view of the laptop of FIG. 1 .

The laptop 1 of this embodiment includes a host body B1, a display body S1, at least one heating element HS, a heat dissipation module HM, at least one air inlet (not otherwise labeled), and a plurality of side air outlets 11, 12, 13 , 14 and multiple rear air outlets 15 and 16.

The host body B1 includes a casing 10 and a keyboard 19 , and the keyboard 19 is disposed on the casing 10 . The display body S1 may, for example, include a display screen, and the display body S1 is pivotably disposed on the housing 10 of the host body B1. Among them, the display body S1 can pivot along an axis CL relative to the main body B1.

The heating element HS and the heat dissipation module HM are both arranged in the internal space of the housing 10 . The side air outlets 11, 12, 13, 14, the rear air outlets 15, 16 and the air inlet are all located on the casing 10, so that the internal space of the casing 10 is connected with the external space. The side of the housing 10 that is relatively far away from the axis CL is defined as the front side, and the side that is relative to the front side is the rear side, and the housing 10 has left and right sides that are opposite to each other and located between the front side and the rear side.

The cooling module HM includes multiple heat pipes HP, two front fans F1 and F2, and two rear fans F3 and F4. Among them, the heat pipe HP is arranged in the internal space of the casing 10 and is in thermal contact with the heating element HS. The front fans F1 and F2 are respectively arranged on opposite sides of the internal space of the casing 10 in a direction parallel to the axis CL. The rear fan F3 and F4 are respectively disposed on opposite sides of the internal space of the housing 10 in a direction parallel to the axis CL, and the rear fans F3 and F4 are located between the axis CL and the front fans F1 and F2.

The location of the air inlet is relatively flexible. It can be located on the front side of the casing 10 as the front air inlet, on the lower side of the casing 10 as the lower air inlet, or between the keys in the keyboard 19. The present invention does not use this method. is limited. It should be noted that since the position of the air inlet is not the focus of the present invention, the air inlet is not labeled in the drawings so that the key elements of the present invention can be more clearly presented in the drawings.

The side air outlet 11 is located on the left side of the casing 10 and corresponds to the front fan F1. The side air outlet 12 is located on the right side of the casing 10 and corresponds to the front fan F2. The side air outlet 13 is located on the left side of the casing 10 and corresponds to the rear fan F2. Fan F3 is provided, the side air outlet 14 is located on the right side of the housing 10 and is provided corresponding to the rear fan F4, the rear air outlet 15 is located on the rear side of the housing 10 and is provided corresponding to the rear fan F3, and the rear air outlet 16 is located on the housing 10 the rear side and corresponds to the rear fan F4 setting.

The heat pipes HP respectively extend from the heating element HS to between the front fan F1 and the side air outlet 11, between the front fan F2 and the side air outlet 12, between the rear fan F3 and the side air outlet 13, and between the rear fan F3 and the rear air outlet 15. , between the rear fan F4 and the side air outlets 14, and between the rear fan F4 and the rear air outlet 16, so that the heat generated by the heating element HS can be transferred to the side air outlets 11, 12, 13, 14 and the rear air outlet through the heat pipe HP. At the air outlets 15 and 16, the heat is blown out of the laptop 1 from the side air outlets 11, 12, 13, 14 and the rear air outlets 15, 16 through the airflow generated by the front fans F1, F2 and rear fans F3, F4. This is used to dissipate heat from the heating element HS.

Next, a method for controlling the cooling mode of a laptop fan according to one embodiment of the present invention will be introduced below. Please refer to Figures 3 to 6 together with the previous figures. Figure 3 is a schematic diagram of the heat dissipation mode of the laptop in Figure 1 when it is in the performance mode. Figure 4 is a schematic diagram of the heat dissipation module of the laptop in Figure 1. Figure 5 is a schematic diagram of the heat dissipation mode of the notebook computer in Figure 1 when it is in the quiet mode, and Figure 6 is a schematic diagram of the heat dissipation mode of the notebook computer in Figure 1 when it is in the comfort mode. Schematic diagram of the mode.

When the user has specific needs, he or she can manually switch the cooling mode of the cooling module HM by pressing a mode switch button. Specifically, when the user presses the mode switch button (which can be, for example, a physical switch button or a virtual switch button), the control system of the laptop 1 obtains a mode switch command and switches the heat dissipation module HM according to the mode switch command. cooling mode. As shown in Figure 3, when the laptop 1 is performing high-performance operations and requires higher heat dissipation performance, the user can switch the heat dissipation mode of the heat dissipation module HM to a performance mode. At this time, the heat dissipation module HM The front fans F1, F2 and rear fans F3, F4 all run at a high speed to improve the heat dissipation performance of the cooling module HM. As shown in Figure 4, when the laptop 1 is performing normal work and only needs normal cooling performance, the user can switch the cooling mode of the cooling module HM to a balanced mode. At this time, the front of the cooling module HM Fans F1, F2 and rear fans F3, F4 all operate at a medium speed lower than the high speed to maintain the basic heat dissipation performance of the heat dissipation module HM. As shown in Figure 5, when the user wants to reduce the noise when the laptop 1 is operating, the user can switch the cooling mode of the cooling module HM to a quiet mode. At this time, the rear fans F3 and F4 of the cooling module HM They all run at medium speed, and the front fans F1 and F2 stop running, which can reduce the volume of the cooling module HM when it is running. As shown in Figure 6, when the user wants to reduce the temperature of the keyboard 19 area, the user can switch the cooling mode of the cooling module HM to a comfort mode. At this time, the front fans F1 and F2 are both running at high speed, and The rear fans F3 and F4 both stop running to achieve the cooling effect of the keyboard 19 by increasing the air suction volume in the keyboard 19 area. In addition, when the cooling mode of the heat dissipation module HM is in the comfort mode, the front fans F1 and F2 operate at a high speed, thereby sending hot air out from the side air outlets 11 and 12, so that the left and right sides of the laptop 1 can be close to the user's The regional temperature increases, which can have a hand-warming effect when used in low-temperature environments.

The high rotation speed may be, for example, the maximum rotation speed of the fan, and the medium rotation speed may be, for example, 80% of the maximum rotation speed. The present invention is not limited thereto.

In this embodiment, the power of the heat dissipation mode of the heat dissipation module HM in the balance mode can be, for example, 75% to 85% of the power in the performance mode, and the heat dissipation mode of the heat dissipation module HM is in the comfort mode or the quiet mode. The power may be, for example, 55% to 65% of the power in the performance mode, but the invention is not limited thereto.

In this embodiment, when the heat dissipation mode of the heat dissipation module HM is in the quiet mode, the rear fans F3 and F4 are running, while the front fans F1 and F2 are stopped, but the invention is not limited to this. In other embodiments, when the heat dissipation mode of the heat dissipation module HM is in the quiet mode, any two of the front fans F1 and F2 and the rear fans F3 and F4 can be operated, while the other two are stopped.

The above description is that the user manually switches the heat dissipation mode of the heat dissipation module HM by pressing the mode switch button. However, the notebook 1 of this embodiment can also automatically switch the heat dissipation mode of the heat dissipation module HM through an automatic sensing mechanism. For example, the notebook 1 may further include a detection module (not shown), and the detection module may be used to detect a frequency information or/ and a temperature information. The control system of the laptop 1 can obtain a mode switching instruction based on the frequency information or/and temperature information, and automatically switch the cooling mode of the heat dissipation module HM according to the mode switching instruction. For example, when it is detected that the heating element HS is performing high-efficiency operation and has a higher frequency or temperature, the heat dissipation mode of the heat dissipation module HM can be automatically switched to the performance mode to prevent the laptop 1 from overheating and causing heat or components. damaged.

Next, a method for controlling the cooling mode of a laptop fan according to another embodiment of the present invention will be introduced below. Please refer to Figures 7 and 8 together with the previous Figures 1 and 2. Figure 7 is a schematic diagram of the heat dissipation mode of the notebook computer in Figure 1 when it is in the left-hand mode, and Figure 8 is a diagram of the notebook computer in Figure 1. Schematic diagram of the heat dissipation module when the heat dissipation mode is in the right-hand mode.

When the user has specific needs, he or she can manually switch the cooling mode of the cooling module HM by pressing a mode switch button. Specifically, when the user presses the mode switch button (which can be, for example, a physical switch button or a virtual switch button), the control system of the laptop 1 obtains a mode switch command and switches the heat dissipation module HM according to the mode switch command. cooling mode. As shown in Figure 7, when the user operates the mouse 9 with his left hand, the user can switch the heat dissipation mode of the heat dissipation module HM to a left-hand mode. At this time, the heat dissipation module HM closest to the user's left hand The front fan F1 stops running, and the front fan F2 and the rear fans F3 and F4 start running, thereby preventing the user's left hand from being exposed to the hot air blown by the fan, causing a hand-burning situation and affecting the user's experience. As shown in Figure 8, when the user operates the mouse 9 with his right hand, the user can switch the heat dissipation mode of the heat dissipation module HM to a right-hand mode. At this time, the front fan of the heat dissipation module HM closest to the user's right hand F2 stops running, and the front fan F1 and the rear fans F3 and F4 are running, thereby preventing the user's right hand from being exposed to the hot air blown by the fan, causing a hand-burning situation and affecting the user's experience.

The above description is that the user manually switches the heat dissipation mode of the heat dissipation module HM by pressing the mode switch button. However, the notebook 1 of this embodiment can also automatically switch the heat dissipation mode of the heat dissipation module HM through an automatic sensing mechanism. For example, the notebook 1 may further include two sensing elements 17 or/and a lens 18 , wherein the sensing elements 17 are respectively disposed on the left and right sides of the housing 10 , the lens 18 is disposed on the display body S1 , and senses The element 17 or the lens 18 can be used to detect a position information of the mouse 9 . The control system of the laptop 1 can obtain the mode switching instruction based on the position information of the mouse 9, and automatically switch the cooling mode of the heat dissipation module HM according to the mode switching instruction. For example, when it is detected that the mouse 9 series is located on the left-hand side of the laptop 1, the heat dissipation mode of the heat dissipation module HM can be automatically switched to the left-hand mode.

In this embodiment, the sensing element 17 can be, for example, an infrared sensor, a light sensing element, a near field communication (NFC) sensor or a Hall element, but the invention is not limited thereto.

According to the control method of the laptop fan cooling mode in the above embodiment, by providing a mechanism that can adjust the laptop cooling module fan, after the laptop control system obtains the mode switching command, the cooling module can be adjusted according to the mode switching command. The cooling mode can be switched to different modes, so that users can switch the cooling mode of the cooling module according to actual usage needs to meet various usage environments and provide users with a better usage experience.

Although the present invention has been disclosed in the foregoing preferred embodiments, they are not intended to limit the present invention. Anyone skilled in the similar art can make some modifications and modifications without departing from the spirit and scope of the present invention. Therefore, the present invention is The scope of patent protection for an invention shall be determined by the scope of the patent application attached to this specification.

1:Laptop B1: Host body 10: Shell 19:Keyboard S1: Display body HS: heating element 11,12,13,14: Side air outlet 15,16: Rear air outlet HP: heat pipe HM: cooling module F1, F2: Front fan F3,F4: rear fan 9:Mouse 17: Sensing element 18: Lens CL: axis

FIG. 1 is a schematic three-dimensional perspective view of a laptop according to an embodiment of the present invention. FIG. 2 is a schematic top view of the laptop in FIG. 1 . Figure 3 is a schematic diagram of the heat dissipation mode of the notebook computer in Figure 1 when it is in a performance mode. FIG. 4 is a schematic diagram of the heat dissipation mode of the notebook computer in FIG. 1 when the heat dissipation mode is in the balance mode. Figure 5 is a schematic diagram of the heat dissipation mode of the notebook computer in Figure 1 when it is in a quiet mode. Figure 6 is a schematic diagram of the heat dissipation mode of the notebook computer in Figure 1 when it is in a comfort mode. FIG. 7 is a schematic diagram of the cooling module of the laptop in FIG. 1 when the cooling mode is in the left-hand mode. FIG. 8 is a schematic diagram of the heat dissipation mode of the notebook computer in FIG. 1 when it is in the right-hand mode.

1:Laptop

B1: Host body

10: Shell

19:Keyboard

S1: Display body

HS: heating element

11,12,13,14: Side air outlet

15,16: Rear air outlet

HP: heat pipe

HM: Cooling module

F1, F2: Front fan

F3,F4: rear fan

17: Sensing element

18: Lens

CL: axis

Claims (9)

A method for controlling the cooling mode of a laptop fan. The control method includes: obtaining a mode switching instruction; and switching the cooling mode of a cooling module including two front fans and two rear fans to a performance mode according to the mode switching instruction. A balance mode, a quiet mode or a comfort mode; wherein a display body of a laptop can pivot along an axis relative to a host body, the two front fans and the two rear fans are both disposed on the host body, and the two The rear fan is located between the axis and the two front fans; and when the heat dissipation mode of the heat dissipation module is in the efficiency mode, the two front fans and the two rear fans both operate at a high speed; when the heat dissipation module When the heat dissipation mode of the group is in the balanced mode, the two front fans and the two rear fans both operate at a medium speed lower than the high speed; when the heat dissipation mode of the heat dissipation module is in the quiet mode, the two front fans Two of the two rear fans are running at the medium speed, and the other two of the two front fans and the two rear fans are stopped; when the cooling mode of the cooling module is in the comfort mode, the two Both front fans run at this high speed, and both rear fans stop running. The control method as described in claim 1, wherein the step of obtaining the mode switching instruction includes: pressing a mode switching button to obtain the mode switching instruction. The control method as described in claim 1, wherein the step of obtaining the mode switching instruction includes: detecting a frequency information or/and a temperature information of a processor through a detection module; and The mode switching command is obtained based on the frequency information or/and the temperature information. The control method as described in claim 1, wherein the power in the balance mode is 75% to 85% of the power in the performance mode. The control method as described in claim 1, wherein the power of the comfort mode or the quiet mode is 55% to 65% of the power of the performance mode. A method for controlling the cooling mode of a laptop fan. The control method includes: obtaining a mode switching instruction; and switching the cooling mode of a cooling module including two front fans and two rear fans to a left-hand mode or according to the mode switching instruction. A right-hand mode; wherein, when the heat dissipation mode of the heat dissipation module is in the left-hand mode, the one of the two front fans and the two rear fans closest to the user's left hand stops running, and the two front fans and the two rear fans The other three are running; when the cooling mode of the cooling module is in the right-hand mode, the one closest to the user's right hand among the two front fans and the two rear fans stops running, and the two front fans and the two rear fans The other three of the fans are running. The control method as described in claim 6, wherein the step of obtaining the mode switching instruction includes: pressing a mode switching button to obtain the mode switching instruction. The control method as described in claim 6, wherein the step of obtaining the mode switching instruction includes: detecting a position information of a mouse through a sensing element; and obtaining the mode switching instruction based on the position information. The control method as described in claim 8, wherein the sensing element is infrared Sensors, optical components, near field wireless communication sensors, Hall components or laptop lenses.

Images