Laptop
By setting up an antenna structure at the fan outlet of the laptop, and using the design of the air outlet passage and metal retaining wall, the shortage of clearance and electromagnetic noise interference of the antenna design of narrow-frame and all-metal laptops is solved, and the aesthetics are achieved and improve signal transmission performance.
Patent Information
- Application Number
- CN201910742074.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2019-08-12
- Publication Date
- 2025-02-25
- Estimated Expiration
- 2039-08-12
AI Technical Summary
The antenna design of narrow-bezel, all-metal laptops faces the problems of insufficient clearance and appearance, and the electromagnetic interference signal at the host side interferes with the receiving signal of the wifi antenna.
The antenna structure is set at the fan air outlet in the main body of the host, and the air outlet channel corresponding to the fan air outlet is formed on the antenna bracket, and electromagnetic noise is blocked through the metal retaining wall to ensure the signal transmission performance of the antenna structure.
A narrow bezel full screen and all-metal design is realized, while reducing the impact of electromagnetic noise on the antenna structure, reducing costs, and improving the design aesthetics of the laptop.
Smart Images

Figure CN110362159B_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of electronic equipment, and in particular to a notebook computer. Background Art
[0002] A laptop, also known as a notebook, handheld, or laptop computer, is a small, portable device. It typically weighs 1-3 kilograms. The trend is toward ever-smaller and lighter laptops, while increasing in functionality. With technological advancements, consumers' expectations for laptops are shifting beyond performance to include aesthetics. Consequently, narrow-framed, all-metal laptops have emerged.
[0003] The structural design of narrow-bezel, all-metal laptops presents significant challenges for RF antennas. Traditional plastic laptop antenna designs offer numerous design options and offer excellent performance. Common antenna designs for all-metal laptops include: 1. A window is created at the top of the metal back cover of the screen body to create a metal slot antenna; 2. The antenna is designed within the plastic hinge cover. However, for narrow-bezel laptops, option 1 lacks sufficient clearance for this design. While option 2 can meet the requirements of an all-metal laptop design, it still requires a plastic space below the screen, preventing a narrower bezel. Furthermore, this approach typically requires a hinge cover with a large radius, impacting the product's appearance.
[0004] As we all know, mobile communication speeds are affected by both signal strength and interference. For laptops, host-side electronic components (such as memory and solid-state drives) constantly emit electromagnetic interference signals, interfering with the Wi-Fi antenna's ability to receive useful signals. Designers typically implement countermeasures on the host side to suppress noise interference. However, due to the numerous noise sources and complex noise paths, implementing countermeasures on the motherboard is often complex and costly. Summary of the Invention
[0005] The object of the present invention is to provide a laptop computer, the arrangement of which antenna structure does not affect the narrow-frame full-screen and all-metal design of the screen end.
[0006] To achieve the above-mentioned objectives, the present invention provides a laptop computer, comprising a host body, the host body comprising a fan and an antenna structure, the antenna structure comprising an antenna bracket and an antenna body formed on the antenna bracket, the antenna structure being arranged at the air outlet of the fan, the antenna bracket being formed with an air outlet channel opposite to the air outlet of the fan, and the antenna body comprising a radiating portion, a grounding portion and a feeding point.
[0007] Preferably, the host body further includes an outer baffle, the antenna structure is limited between the outer baffle and the air outlet of the fan, and the outer baffle is formed with an outlet hole opposite to the air outlet channel at a position corresponding to the antenna structure.
[0008] Preferably, the host body further comprises a metal retaining wall, and the metal retaining wall shields at least one side of the antenna structure to shield corresponding electromagnetic noise in the host body.
[0009] Preferably, the metal retaining wall includes a middle retaining wall portion located between the air outlet of the fan and the antenna structure, and an air outlet hole opposite to the air outlet of the fan and the air outlet channel is formed on the middle retaining wall portion, and the size of the air outlet hole is smaller than a quarter wavelength of the electromagnetic noise in the host body.
[0010] Preferably, the metal retaining wall further comprises side retaining wall portions respectively located on both sides of the middle retaining wall portion, and the side retaining wall portions are respectively provided corresponding to the two sides of the antenna bracket where the air outlet channel is not provided.
[0011] Preferably, the host body further includes a metal upper shell and a metal lower shell, the metal upper shell is provided with a keyboard, the grounding portion is connected to at least one of the metal upper shell and the metal lower shell, and the radiation portion is spaced apart from the metal upper shell and the metal lower shell.
[0012] Preferably, the antenna bracket includes a top wall and a bottom wall, the grounding portion is formed on at least one of the top wall and the bottom wall, and a flexible conductive member is attached between the grounding portion and the metal upper shell and / or the metal lower shell to be electrically connected through the flexible conductive member.
[0013] Preferably, the antenna body is an FPC antenna or an LDS antenna, and the grounding portion includes a first grounding area provided on the top wall, a second grounding area provided on the bottom wall, and a connecting area connecting the first grounding area and the second grounding area, and the first grounding area and the second grounding area have exposed metal to be electrically connected to the flexible conductive member.
[0014] Preferably, the connection area and the radiation part are respectively arranged on one side of the antenna bracket forming the inlet end of the air outlet channel and the side forming the outlet end of the air outlet channel, and the host body also includes a metal retaining wall, which surrounds the side of the antenna structure to block the electromagnetic noise in the host body, and the metal retaining wall is provided with an air outlet hole opposite to the air outlet of the fan and the air outlet channel, and the size of the air outlet hole is smaller than one-quarter wavelength of the corresponding electromagnetic noise in the host body.
[0015] Preferably, the radiation portion is provided on a side of the antenna bracket forming an outlet end of the air outlet channel.
[0016] Compared with the prior art, the laptop computer of the present invention sets the antenna structure at the air outlet of the fan inside the host body, and an air outlet channel opposite to the air outlet of the fan is formed on the antenna bracket of the antenna structure, which does not occupy the position of the screen end, thereby realizing a narrow-frame full-screen and all-metal design at the screen end, and does not occupy other spaces of the host body, thereby making the design of the laptop computer more beautiful. Moreover, when the host body is also designed in all metal, the grounding part of the antenna body can be easily grounded by connecting with the metal upper shell and / or the metal lower shell, and because the radiating part is spaced from the metal upper shell and the metal lower shell, it can ensure that there is a certain clearance area on both sides of the upper and lower sides of the radiating part, thereby ensuring the signal transmission performance of the antenna structure when the host body is designed in all metal. In addition, the design of the metal retaining wall can isolate the electromagnetic noise inside the host body, greatly reducing the impact on the radiating part, and at the same time can also reduce the use of shielding auxiliary materials in the host body, which is conducive to cost reduction. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the host body according to an embodiment of the present invention.
[0018] Figure 2 yes Figure 1 The figure shows the decomposition structure diagram of the host computer in this question.
[0019] Figure 3 yes Figure 2 Schematic diagram of the decomposition structure of the middle part.
[0020] Figure 4 It is a plan view of the host body according to an embodiment of the present invention.
[0021] Figure 5 It is a schematic diagram of the three-dimensional structure of the antenna structure according to an embodiment of the present invention.
[0022] Figure 6 yes Figure 5 Another three-dimensional structural schematic diagram of the antenna structure is shown.
[0023] Figure 7 yes Figure 5 The planar structure schematic diagram of the antenna structure shown.
[0024] Figure 8 yes Figure 5 Another planar structural schematic diagram of the antenna structure is shown. DETAILED DESCRIPTION
[0025] In order to explain the technical content and structural features of the present invention in detail, the following is a further description in conjunction with the embodiments and the accompanying drawings.
[0026] See also Figures 1 to 5 The present invention discloses a laptop computer, comprising a main body 100, the main body 100 comprising a fan 1 and an antenna structure 2, the antenna structure 2 comprising an antenna bracket 20 and an antenna body 21 formed on the antenna bracket 20, the antenna structure 2 being arranged at the air outlet 11 of the fan 1, the antenna bracket 20 being formed with an air outlet channel 29 opposite to the air outlet 11 of the fan 1, the antenna body 21 comprising a radiating portion 22, a grounding portion 23 and a feeding point 24. Through the above-mentioned design, the arrangement of the antenna structure 2 of the laptop computer of the present invention does not occupy the position of the screen end (not shown), thereby enabling the realization of a narrow-frame full-screen and all-metal design at the screen end, and does not occupy other spaces of the main body 100, thereby making the design of the laptop computer more beautiful. The size of the air outlet channel 29 here is not particularly limited, and the number of the air outlet channels 29 can be one, or two or more, as long as the air coming out of the air outlet 11 of the fan 1 can flow out smoothly through the air outlet channel 29.
[0027] See also Figures 2 to 4 In some embodiments, the air outlet 11 of the fan 1 is oriented toward and near the screen end of the laptop computer, but this is not limiting. In one specific embodiment, the host body 100 further includes a battery 3 and a motherboard 4. Fans 1 are provided on both sides of the portion of the motherboard 4 near the screen end. Accordingly, antenna structures 2 are provided at the air outlets 11 of the two fans 1, respectively. The two antenna structures 2 can be configured to be the same or different.
[0028] See also Figure 2 and Figure 3 In some embodiments, the host body 100 further includes an outer baffle 5. The antenna structure 2 is positioned between the outer baffle 5 and the air outlet 11 of the fan 1. The outer baffle 5 has an outlet hole 51 formed at a position corresponding to the antenna structure 2, opposite the air outlet channel 29. After the air generated by the fan 1 flows out of the air outlet channel 29, it is discharged outward through the outlet hole 51 of the outer baffle 5. The outer baffle 5 of the present invention not only serves as the exterior of the host body 100, but also serves to limit the position of the antenna structure 2, thereby facilitating the installation and fixation of the antenna structure 2.
[0029] See also Figure 3 and Figure 4In some embodiments, the host body 100 further includes a metal retaining wall 6, which blocks at least one side of the antenna structure 2 to shield the corresponding electromagnetic noise within the host body 100. It is understood that the metal retaining wall 6 does not block the radiating portion 22 of the antenna body 21 to avoid affecting the performance of the radiating portion 22. Preferably, the antenna structure 2 is in close proximity to the metal retaining wall 6, so that the metal retaining wall 6 not only blocks electromagnetic noise but also serves to position the antenna structure 2, thereby further facilitating the reliable installation of the antenna structure 2.
[0030] See also Figure 3 As a preferred embodiment, the metal retaining wall 6 is an integrally formed metal upper shell 8 provided with a keyboard 7 on the host body 100, that is, it is actually a part of the metal upper shell 8, and is formed by the main part of the metal upper shell 8 protruding toward the interior of the host body 100, thereby making the structure and performance of the metal retaining wall 6 more reliable, which is beneficial to the stability of the overall structure.
[0031] See also Figure 3 As a preferred embodiment, the metal retaining wall 6 includes a middle retaining wall portion 60 located between the fan 1's air outlet 11 and the antenna structure 2. The middle retaining wall portion 60 is formed with an air outlet hole 61 opposite the fan 1's air outlet 11 and the air outlet channel 29. The size of the air outlet hole 61 is less than one-quarter wavelength of the corresponding electromagnetic noise within the main unit 100. This design not only effectively blocks the relevant electromagnetic noise and reduces its impact on the performance of the antenna structure 2, but also prevents the provision of the middle retaining wall portion 60 from affecting normal airflow. Furthermore, the design of the middle retaining wall portion 60 also serves to position the antenna structure 2.
[0032] See also Figure 3 As a preferred embodiment, the metal retaining wall 6 also includes side retaining wall portions 62 located on either side of the central retaining wall portion 60. These side retaining wall portions 62 correspond to the sides of the antenna bracket 20 that are not provided with the air outlet duct 29. This design further facilitates shielding electromagnetic noise from all directions. In one specific embodiment, the side retaining wall portions 62 are perpendicularly connected to either side of the central retaining wall portion 60 to accommodate the specific structure of the antenna bracket 20. In other embodiments, depending on specific circumstances and needs, the side retaining wall portions 62 are not limited to being perpendicular to or connected to the central retaining wall portion 60.
[0033] It can be understood that the metal retaining wall 6 is not limited to the above-mentioned specific formation methods, structures, shapes, etc. Any formation methods, structures, shapes, etc. of the metal retaining wall 6 that can be easily thought of by technical personnel in this field, as long as its purpose is to block the electromagnetic noise in the host body 100 to reduce the impact on the performance of the antenna structure 2, should all be within the scope of protection of the present invention.
[0034] See also Figures 1 to 3 In some embodiments, the host body 100 further includes a metal upper shell 8 and a metal lower shell 9. The metal upper shell 8 is provided with a keyboard 7. The grounding portion 23 is connected to at least one of the metal upper shell 8 and the metal lower shell 9, and the radiating portion 22 is spaced apart from the metal upper shell 8 and the metal lower shell 9. The grounding portion 23 is connected to at least one of the metal upper shell 8 and the metal lower shell 9, which facilitates grounding of the antenna body 21. Since the radiating portion 22 is spaced apart from the metal upper shell 8 and the metal lower shell 9, there is a certain clearance area on both sides of the radiating portion 22 to ensure the signal transmission performance of the antenna structure 2.
[0035] See also Figure 2 and Figure 3 In some embodiments, the antenna bracket 20 includes a top wall 25 and a bottom wall 26. The grounding portion 23 is formed on at least one of the top wall 25 and the bottom wall 26. A flexible conductive member 10 is disposed between the grounding portion 23 and the metal upper shell 8 and / or the metal lower shell 9 to achieve electrical connection via the flexible conductive member 10. Since the grounding portion 23 is formed on at least one of the top wall 25 and the bottom wall 26 and is electrically connected to the metal upper shell 8 and / or the metal lower shell 9 via the flexible conductive member 10, in addition to facilitating an increase in the grounding area, the antenna structure 2 can also be positioned to limit its position, thereby facilitating reliable installation of the antenna structure 2.
[0036] For example, the flexible conductive member 10 may be a conductive sponge 10', although other forms of flexible conductive member 10 are also possible. In one embodiment, the grounding portion 23 is formed on at least the bottom wall 26 of the antenna bracket 20. The metal lower shell 9 is laser-engraved at the location corresponding to the grounding portion 23, and the conductive sponge 10' is pressed between the metal lower shell 9 and the grounding portion 23. This further ensures the installation stability and grounding reliability of the antenna structure 2. The provision of the conductive sponge 10' also increases the clearance area of the radiating portion 22.
[0037] Please combine Figures 5 to 8 In some embodiments, the antenna body 21 is an FPC antenna or an LDS antenna. The ground portion 23 includes a first grounding area 231 provided on the top wall 25, a second grounding area 232 provided on the bottom wall 26, and a connecting area 233 connecting the first and second grounding areas 231, 232. The first and second grounding areas 231, 232 have exposed metal to provide electrical continuity with the flexible conductive member 10. This design greatly ensures the grounding area of the antenna structure 2.
[0038] Please combine again Figure 3In a preferred embodiment, the connection area 233 and the radiating portion 22 are respectively located on the side of the antenna bracket 20 that forms the inlet and outlet ends of the air outlet duct 29. The main body 100 also includes a metal retaining wall 6 that surrounds the antenna structure 2 to block electromagnetic noise within the main body 100. The metal retaining wall 6 is provided with an air outlet hole 61 that opposes the air outlet 11 of the fan 1 and the air outlet duct 29. The size of the air outlet hole 61 is less than one-quarter wavelength of the corresponding electromagnetic noise within the main body 100. This design not only ensures that the antenna structure 2 has a sufficiently large clearance area on the outward side, but also blocks electromagnetic noise from all directions, thereby reducing its performance impact. It should be understood that the term "enclosing" here does not necessarily mean surrounding every side of the antenna structure 2; at least, it means that the retaining wall 6 does not block the corresponding radiating portion 22, thereby avoiding any impact on the performance of the radiating portion 22.
[0039] In a specific embodiment, a feeding point 24 is provided at the bottom end of the radiating portion 22, and the feeding point 24 is spaced apart from the top wall 25. A portion of the grounding portion 23 is provided on the same plane as the radiating portion 22 and the feeding point 24. The grounding portion 23 goes upward from the position connected to the feeding point 24, passes through the top wall 25, then passes downward to form one side of the outlet end of the air outlet channel 29, and then passes around to the bottom wall 26 to form a first grounding area 231, a connecting area 233, and a second grounding area 232 of the grounding portion 23. In this specific embodiment, the radiating portion 22 is very close to the bottom wall 26, and the clearance area can be increased by pressing a conductive sponge 10' between the bottom wall 26 and the metal lower shell 9. Since there is still a certain distance between the radiating portion 22 and the feeding point 24 and the top wall 25, other flexible conductive members 10 can be used to be arranged between the top wall 25 and the metal upper shell 8.
[0040] See also Figure 4 In some embodiments, the radiating portion 22 is located on the side of the antenna bracket 20 that forms the outlet end of the air outlet channel 29. In other words, the radiating portion 22 is located on the outward side, avoiding the potential restriction of the clearance area by other structures within the host body 100 that would be caused by being located elsewhere on the antenna bracket 20. This also reduces the impact of noise within the host body 100 on the signal transmission performance of the antenna structure 2. However, the radiating portion 22 does not necessarily need to be located on the outward side.
[0041] As can be seen from the above, the laptop computer of the present invention positions the antenna structure 2 at the air outlet 11 of the fan 1 within the main body 100. The antenna bracket 20 of the antenna structure 2 is formed with an air outlet channel 29 opposite the air outlet 11 of the fan 1. This arrangement eliminates the need for the screen, thereby achieving a narrow-frame, full-screen, all-metal design. It also eliminates the need for other space within the main body 100, further enhancing the laptop's aesthetics. Furthermore, when the main body 100 is also all-metal, the grounding portion 23 of the antenna body 21 can be connected to the metal upper shell 8 and / or the metal lower shell 9 for easy grounding. Furthermore, since the radiating portion 22 is spaced from the metal upper shell 8 and the metal lower shell 9, a sufficient clearance area is maintained above and below the radiating portion 22, thereby ensuring the signal transmission performance of the antenna structure 2 when the main body 100 is all-metal. Furthermore, the metal retaining wall 6 isolates electromagnetic noise within the main body 100, significantly reducing its impact on the radiating portion 22. This also reduces the use of shielding materials within the main body 100, contributing to cost reduction.
[0042] The above disclosure is only a preferred embodiment of the present invention and cannot be used to limit the scope of the present invention. Therefore, equivalent changes made according to the claims of the present invention are within the scope of the present invention.
Claims
1. A notebook computer, characterized in that: The invention comprises a host body, wherein the host body comprises a fan and an antenna structure, wherein the antenna structure comprises an antenna bracket and an antenna body formed on the antenna bracket, wherein the antenna structure is arranged at the air outlet of the fan, wherein the antenna bracket is formed with an air outlet channel opposite to the air outlet of the fan, wherein the antenna body comprises a radiating portion, a grounding portion and a feeding point, wherein the radiating portion is arranged on one side of the antenna bracket where the outlet end of the air outlet channel is formed, wherein the host body further comprises a metal upper shell and a metal retaining wall, wherein the metal retaining wall is integrally formed on the metal upper shell, wherein the metal retaining wall surrounds the side of the antenna structure to shield the electromagnetic noise in the host body, wherein the metal retaining wall is provided with an air outlet hole opposite to the air outlet of the fan and the air outlet channel, wherein the size of the air outlet hole is smaller than a quarter wavelength of the corresponding electromagnetic noise in the host body; The host body further comprises a metal lower shell, a keyboard is arranged on the metal upper shell, the grounding portion is connected to the metal upper shell and the metal lower shell, and the radiation portion is spaced apart from the metal upper shell and the metal lower shell; The antenna bracket includes a top wall and a bottom wall, the grounding portion is formed on the top wall and the bottom wall, and a flexible conductive member is attached between the grounding portion and the metal upper shell and the metal lower shell to be electrically connected through the flexible conductive member.
2. The notebook computer according to claim 1, wherein: The metal retaining wall includes a middle retaining wall portion located between the air outlet of the fan and the antenna structure and side retaining wall portions located on both sides of the middle retaining wall portion, and the side retaining wall portions are respectively arranged corresponding to the two sides of the antenna bracket where the air outlet channel is not provided.
3. The notebook computer according to claim 1, wherein: The antenna body is an FPC antenna or an LDS antenna, and the grounding portion includes a first grounding area arranged on the top wall, a second grounding area arranged on the bottom wall, and a connecting area connecting the first grounding area and the second grounding area, and the first grounding area and the second grounding area have exposed metal to be electrically connected to the flexible conductive member.
4. The notebook computer according to claim 3, wherein: The connection area is arranged on one side of the antenna bracket forming an inlet end of the air outlet channel.
Citation Information
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