CN210534623U

CN210534623U - Flat notebook with efficient heat dissipation function

Info

Publication number: CN210534623U
Application number: CN201921474811.XU
Authority: CN
Inventors: 龚振兴; 唐川; 汪林; 黄明彬
Original assignee: Kunshan Ping Tai Electronic Co ltd
Current assignee: Kunshan Ping Tai Electronic Co ltd
Priority date: 2019-09-06
Filing date: 2019-09-06
Publication date: 2020-05-15
Anticipated expiration: 2029-09-06

Abstract

The utility model discloses a dull and stereotyped notebook of high-efficient heat dissipation function, include the casing and install the notebook body on the casing, the one side that notebook body and casing carried on the back mutually is the display surface, the casing further includes first metal substrate and the second metal substrate that face-to-face set up, second metal substrate is located one side that first metal substrate carried on the back mutually with the display surface, form a cavity between first metal substrate and the second metal substrate, this cavity is cut apart into 3 at least mutually independent cavity units through 2 at least parting beads, and the corresponding region of first metal substrate and second metal substrate is connected through the linking point that a plurality of compartment distributes in every cavity unit, and this a plurality of linking point will cut apart the cavity unit into a plurality of runner, the runner intussuseption is filled with the refrigerant. The utility model discloses the maximize utilizes the casing to dispel the heat, and the casing is by bottom to top temperature evenly distributed, avoids the heat source region local focus to appear, and the heat is shared equally on the casing surface, has promoted the temperature uniformity on surface, realizes good samming.

Description

Flat notebook with efficient heat dissipation function

Technical Field

The utility model relates to a dull and stereotyped notebook of high-efficient heat dissipation function belongs to notebook technical field.

Background

The portable computer products are developing towards miniaturization and lightness, the thickness of the ultrathin notebook is as small as 8.98mm, and the weight is only 1Kg, meanwhile, the two-in-one notebook (the combination of the tablet and the notebook) becomes the competitive light of the notebook for business use; in addition, as the chip processing capability is improved, the heat generation amount of the chip is continuously increased, so that the heat generation amount per unit volume or unit area of the portable computer product is continuously increased. In addition, the noise requirement of the user on the portable computer is more severe, and the traditional heat dissipation mode faces more severe challenges in terms of heat dissipation capacity and noise.

The traditional notebook adopts a heat dissipation mode of a heat pipe heat dissipation module and a fan. The heat pipe type heat dissipation module has the characteristics of high heat conductivity (hundreds times of metal heat conductivity), good isothermal property and the like, so that the heat pipe type heat dissipation module is widely applied to the field of heat dissipation of electronic devices. The heat pipe type heat dissipation module mainly has the function of heat conduction, adopts the design structures of the heat storage module, the heat conduction module and the heat dissipation module, absorbs heat through the substrate, and gives the fins above through the heat pipe tradition, and the heat is dissipated to the air through the convection heat exchange between the fan blowing and the fins.

A common heat dissipation method for a tablet computer is natural convection heat dissipation, and a heat pipe assists temperature equalization. The heat generated by the chip is conducted through the heat pipe to cause the flat shell, and the heat is dissipated by natural convection between the shell and the air.

The two-in-one notebook has two heat dissipation modes: one is the same as the notebook, and adopts a mode of a heat pipe radiator and a fan; the second is a tablet computer approach, i.e., heat dissipation through the chassis. The mode of a heat pipe radiator and a fan is adopted, and noise is an important factor for restricting the application of the heat pipe radiator; the heat pipe has good heat conducting performance in one dimension direction, needs a plurality of heat pipes when in temperature equalization, but is limited by the space position, and the heat pipes can not completely cover the whole shell, so the temperature equalization performance is influenced to a certain extent.

Disclosure of Invention

The utility model aims at providing a portable dull and stereotyped notebook, this portable dull and stereotyped notebook maximize utilize the casing to dispel the heat, and the casing is by bottom to top temperature evenly distributed, avoids the heat source region local focus to appear, and the heat is shared equally on the casing surface, has promoted the temperature uniformity on surface, realizes good samming, promotes the heat radiating area of the effective utilization of casing, realizes noiseless heat dissipation simultaneously.

In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides a dull and stereotyped notebook of high-efficient heat dissipation function, includes the casing and installs the notebook body on the casing, the notebook body is the display surface with the one side that the casing carried on the back mutually, the casing further includes first metal substrate and the second metal substrate that sets up face to face, the second metal substrate is located first metal substrate and the one side that the display surface carried on the back mutually, form a cavity between first metal substrate and the second metal substrate, this cavity is cut apart into 3 mutually independent cavity units through 2 at least parting beads, and the corresponding region of first metal substrate and second metal substrate in every cavity unit is connected through the linking point that a plurality of compartment distributes, and this a plurality of point will link up the cavity unit and cut apart into a plurality of runner, the runner intussuseption is filled with the refrigerant.

The further improved scheme in the technical scheme is as follows:

1. in the above scheme, the notebook computer further comprises a keyboard, and the keyboard is connected with one end of the notebook computer body.

2. In the above scheme, the first metal substrate and the second metal substrate are aluminum substrates or copper substrates.

3. In the above scheme, a frame is arranged on the side face of the notebook body, and the edge of the casing is attached to the frame.

4. In the scheme, the refrigerant filling amount accounts for 20-30% of the volume of the flow channel.

Because of the application of the technical scheme, compared with the prior art, the utility model have following advantage and effect:

1. the utility model discloses a flat notebook of high-efficient heat dissipation function, its notebook body and the casing one side that backs on the back are the display surface, the casing further includes face-to-face setting's first metal base plate and second metal base plate, the second metal base plate is located the first metal base plate and the display surface one side that backs on the back, and the corresponding region of first metal base plate and second metal base plate in the cavity unit is connected through the linking point that a plurality of compartments distribute, and this a plurality of linking points divide the cavity unit into a plurality of runners, the runner intussuseption is filled with the refrigerant, and the maximize utilizes the casing to dispel the heat, and casing is from bottom to top temperature evenly distributed, avoids heat source region local hotspot to appear, and the heat is shared equally on the casing surface, has promoted the temperature uniformity on surface, realizes good samming, promotes the heat radiating area of the effective utilization of casing, realizes noiseless heat dissipation simultaneously, thereby improving the heat dissipation efficiency of the casing. Under the condition that the overall dimension of the device is not changed, the performance of the borne CPU is higher, or under the condition of the same CPU performance, the fan-free design of the portable computer is realized, and zero noise is realized.

2. The utility model discloses dull and stereotyped notebook of high-efficient heat dissipation function, its second metal substrate are located first metal substrate and the one side that the display surface carried on the back mutually, form a cavity between first metal substrate and the second metal substrate, this cavity is cut apart into 3 at least mutually independent cavity units through 2 at least parting strips, the corresponding region of first metal substrate and second metal substrate is connected through the linking point that a plurality of compartment distributes in every cavity unit, can make the refrigerant equally divide the distribution in every cavity, the refrigerant that avoids the notebook to lead to when the horizontal plane is not placed concentrates on partial region, and make the problem that the radiating effect descends, further improved the radiating efficiency, the operation of having guaranteed the notebook is not influenced.

Drawings

FIG. 1 is a schematic structural diagram of a tablet notebook of the present invention;

FIG. 2 is a back structural diagram of the tablet notebook of the present invention;

FIG. 3 is a side view of the tablet notebook of the present invention;

fig. 4 is a partially enlarged cross-sectional view of the tablet notebook of the present invention.

In the above drawings: 1. a housing; 2. a notebook body; 3. a first metal substrate; 4. a second metal substrate; 5. a flow channel; 6. a joining point; 7. a frame; 8. a keyboard; 9. a cavity unit; 10. a cavity; 11. and (4) a spacing strip.

Detailed Description

In the description of this patent, it is noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The meaning of the above terms in this patent may be specifically understood by those of ordinary skill in the art.

Example 1: a flat notebook with high-efficiency heat dissipation function, which comprises a casing 1 and a notebook body 2 arranged on the casing 1, the notebook body 2 is provided with a display surface on the side opposite to the casing 1, the casing 1 further comprises a first metal substrate 3 and a second metal substrate 4 which are arranged face to face, the second metal substrate 4 is located on the side, opposite to the display surface, of the first metal substrate 3, a cavity 10 is formed between the first metal substrate 3 and the second metal substrate 4, the cavity 10 is divided into at least 3 mutually independent cavity units 9 through at least 2 isolating bars 11, corresponding areas of the first metal substrate 3 and the second metal substrate 4 in each cavity unit 9 are connected through a plurality of connecting points 6 distributed in compartments, the cavity units 9 are divided into a plurality of flow channels 5 through the plurality of connecting points 6, and the flow channels 5 are filled with refrigerants.

The notebook computer further comprises a keyboard 8, and the keyboard 8 is connected with one end of the notebook computer body 2.

The first metal substrate 3 and the second metal substrate 4 are aluminum substrates.

The refrigerant filling amount accounts for 28% of the volume of the flow passage 5.

Example 2: a flat notebook with high-efficiency heat dissipation function, which comprises a casing 1 and a notebook body 2 arranged on the casing 1, the notebook body 2 is provided with a display surface on the side opposite to the casing 1, the casing 1 further comprises a first metal substrate 3 and a second metal substrate 4 which are arranged face to face, the second metal substrate 4 is located on the side, opposite to the display surface, of the first metal substrate 3, a cavity 10 is formed between the first metal substrate 3 and the second metal substrate 4, the cavity 10 is divided into at least 3 mutually independent cavity units 9 through at least 2 isolating bars 11, corresponding areas of the first metal substrate 3 and the second metal substrate 4 in each cavity unit 9 are connected through a plurality of connecting points 6 distributed in compartments, the cavity units 9 are divided into a plurality of flow channels 5 through the plurality of connecting points 6, and the flow channels 5 are filled with refrigerants.

The first metal substrate 3 and the second metal substrate 4 are copper substrates.

The side surface of the notebook body 2 is provided with a frame 7, and the edge of the casing 1 is attached to the frame 7.

The refrigerant filling amount accounts for 22% of the volume of the flow passage 5.

The refrigerant absorbs heat at the bottom of the shell, evaporates and boils, changes from liquid to gas, the gas refrigerant diffuses to the top of the shell under the action of pressure difference and buoyancy, releases heat and condenses, changes from gas to liquid, reflows to the bottom of the shell under the action of gravity, and circulates repeatedly to realize continuous heat transfer, and the temperature difference is small in the phase change process.

When the flat notebook with the efficient heat dissipation function is adopted, the shell is utilized to dissipate heat to the maximum extent, the temperature of the shell is uniformly distributed from the bottom to the top, local hot spots are prevented from occurring in a heat source area, heat is uniformly distributed on the surface of the shell, the temperature uniformity of the surface is improved, good temperature uniformity is realized, the heat dissipation area of the shell is effectively utilized, noise-free heat dissipation is realized simultaneously, and therefore the heat dissipation efficiency of the shell is improved. Under the condition that the overall dimension of the equipment is not changed, the performance of the borne CPU is higher, or under the condition of the same CPU performance, the fan-free design of the portable computer is realized, and zero noise is realized; in addition, the cooling medium can be uniformly distributed in each cavity, the problem that the cooling medium is concentrated in a partial area to reduce the cooling effect when the notebook is not placed on the horizontal plane is avoided, the cooling efficiency is further improved, and the notebook is guaranteed to be not influenced in operation.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. The utility model provides a dull and stereotyped notebook of high-efficient heat dissipation function which characterized in that: the notebook computer comprises a casing (1) and a notebook computer body (2) arranged on the casing (1), wherein one surface of the notebook computer body (2) opposite to the casing (1) is a display surface, the casing (1) further comprises a first metal substrate (3) and a second metal substrate (4) which are arranged face to face, the second metal substrate (4) is positioned on one side of the first metal substrate (3) opposite to the display surface, a cavity (10) is formed between the first metal substrate (3) and the second metal substrate (4), the cavity (10) is divided into at least 3 cavity units (9) which are independent from each other through at least 2 isolating strips (11), corresponding areas of the first metal substrate (3) and the second metal substrate (4) in each cavity unit (9) are connected through a plurality of connecting points (6) distributed in compartments, and the cavity units (9) are divided into a plurality of flow channels (5) through the plurality of connecting points (6), the flow channel (5) is filled with a refrigerant.

2. The tablet notebook with the efficient heat dissipation function according to claim 1, wherein: the notebook computer further comprises a keyboard (8), and the keyboard (8) is connected with one end of the notebook computer body (2).

3. The tablet notebook with the efficient heat dissipation function according to claim 1, wherein: the first metal substrate (3) and the second metal substrate (4) are aluminum substrates or copper substrates.

4. The tablet notebook with the efficient heat dissipation function according to claim 1, wherein: the side face of the notebook computer body (2) is provided with a frame (7), and the edge of the casing (1) is attached to the frame (7).

5. The tablet notebook with the efficient heat dissipation function according to claim 1, wherein: the refrigerant filling amount accounts for 20-30% of the volume of the flow channel (5).