Three-in-one antenna and wireless communication equipment
By setting coupling slots and specific frequency band stub structures in a three-in-one antenna, the problem of low radiation efficiency after antenna miniaturization is solved, and efficient frequency band control and radiation performance improvement are achieved in a smaller space.
Patent Information
- Application Number
- CN202423181048.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-20
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2034-12-20
AI Technical Summary
In the existing technology, as mobile phone designs develop towards larger screens and thinner shapes, the radiation efficiency of antennas is limited, and insufficient space increases the design difficulty, making it difficult to maintain efficient radiation under miniaturization conditions.
Design a three-in-one antenna by setting a first coupling slot between the first and second stubs and a second coupling slot between the first and third stubs to avoid mutual interference between frequency bands. Combine the stub structure and coupling slot settings for specific frequency bands to ensure radiation efficiency.
While reducing the antenna area, the antenna's radiation efficiency is maintained or improved, making it suitable for narrow installation environments and enhancing frequency band control and radiation performance.
Smart Images
Figure CN223638615U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to wireless communication technical field especially relates to a three-in-one antenna and wireless communication equipment. BACKGROUND
[0002] The mobile phone antenna mainly has built-in and external antenna two, built-in antenna is inevitably weaker than external antenna objectively. The antenna is erected far away from the ground and the building as far as possible, when the antenna is close to the reference ground, most of the energy will be concentrated between the antenna and the reference ground, and cannot be smoothly transmitted, so the antenna needs a "as open as possible" space. The mobile phone circuit board is the reference ground of the mobile phone antenna, and keeping the antenna away from other circuits of the mobile phone is the key to improving the transmission efficiency of the mobile phone antenna.
[0003] Most of the mobile phone antennas are arranged in the shell of the mobile phone, and the larger the size of the mobile phone antenna is, the higher the radiation efficiency is, so the antenna with high radiation efficiency occupies a larger space of the mobile phone, and further increases the design difficulty of other components in the mobile phone, on the contrary, if the size of the antenna is reduced, the radiation efficiency of the antenna will be reduced. With the rapid development of current social economy, under the impetus of market demand, the ultra-thin mobile phone with larger screen, the full-screen mobile phone and the folding screen mobile phone are more popular among consumers, and the performance requirements of the mobile phone are also higher and higher. But the larger screen ratio will sacrifice the radiation space of the antenna, and in addition, the mobile phone design pursues thinness, so that the space available for the antenna is smaller and smaller, and the difficulty of antenna design is also increased. CONTENT OF THE UTILITY MODEL
[0004] The utility model aims at providing a three-in-one antenna and wireless communication equipment to solve the technical problem of low radiation efficiency caused by the size reduction of the antenna in the prior art.
[0005] The utility model provides a three-in-one antenna, including substrate and antenna main body who sets up on the substrate, the antenna main body includes first branch, second branch, third branch, feed point, first place and second place, the second branch, the third branch all are connected with the first branch, the feed point sets up in the first branch, the first place sets up in the second branch, the second place sets up in the third branch, the first branch with the second branch between opening has first coupling groove, the first branch with the third branch between opening has second coupling groove.
[0006] The three-in-one antenna as described above, the feed point, the first place and the second place are arranged in a straight line, and the first place and the second place are respectively located on both sides of the feed point.
[0007] The three-in-one antenna as described above, the distance from the feed point to the first place and the distance from the feed point to the second place are both L.
[0008] The L is 0.5mm-0.8mm.
[0009] The second branch is connected with the left end of the first branch, and the third branch is connected with the lower end of the first branch.
[0010] The end of the first branch and the end of the third branch are both arc-shaped structures, and the end of the third branch is away from the end of the first branch.
[0011] The first branch covers the Bluetooth frequency band and the 2.4G WiFi frequency band.
[0012] The second branch covers the 5G WiFi frequency band.
[0013] The third branch covers the GPS frequency band.
[0014] The utility model also provides a wireless communication equipment, including the triplex antenna as described above.
[0015] Implementing the utility model embodiment will have the following beneficial effects:
[0016] In the utility model, the antenna main part includes first branch, second branch, third branch, feed point, first point and second point, the second branch and the third branch are connected with the first branch, the feed point is arranged in the first branch, the first point is arranged in the second branch, and the second point is arranged in the third branch, a first coupling groove is arranged between the first branch and the second branch, and a second coupling groove is arranged between the first branch and the third branch. By arranging the first coupling groove between the first branch and the second branch and the second coupling groove between the first branch and the third branch, mutual interference between frequency bands is avoided, the antenna radiation efficiency can be ensured when the antenna area is reduced, which is conducive to realizing the miniaturization development of the antenna and adapting to narrower and smaller installation environments. BRIEF DESCRIPTION OF DRAWINGS
[0017] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced as follows, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without creative labor.
[0018] Figure 1 It is the structural schematic diagram of the triplex antenna according to an exemplary embodiment;
[0019] Figure 2 is a back structure schematic diagram of a three-in-one antenna according to an exemplary embodiment;
[0020] Figure 3 is a debugging result diagram of a three-in-one antenna according to an exemplary embodiment.
[0021] Wherein: 1, substrate; 2, first branch; 3, second branch; 4, third branch; 5, feed point; 6, first point; 7, second point; 8, first coupling groove; 9, second coupling groove. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0023] In the description of the present application, it should be understood that the orientations or positional relationships indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.
[0024] In addition, the terms "first" and "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.
[0025] In the present application, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0026] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description herein is for describing particular embodiments only and is not intended to be limiting of the application.
[0027] Referring to Figures 1-2 The utility model provides a three in one antenna, including substrate 1 and setting on antenna main part of substrate 1, antenna main part includes first branch 2, second branch 3, third branch 4, feed point 5, first point 6 and second point 7, second branch 3, third branch 4 all are connected with first branch 2, feed point 5 sets up in first branch 2, first point 6 sets up in second branch 3, second point 7 sets up in third branch 4, first branch 2 with second branch 3 between setting has first coupling groove 8, first branch 2 with third branch 4 between setting has second coupling groove 9. Through the first coupling groove 8 between first branch 2 and second branch 3 is arranged, the second coupling groove 9 between first branch 2 and third branch 4 is arranged, avoid mutual interference between frequency band, still can guarantee antenna radiation efficiency when realizing the reduction of antenna area, be favorable to realize the miniaturization development of antenna, adapt to narrower small installation environment.
[0028] Further, the feed point 5, the first point 6 and the second point 7 are arranged in a straight line, and the first point 6 and the second point 7 are respectively located on both sides of the feed point 5. The first coupling groove 8 is arranged between the feed point 5 and the first point 6, and the coupling of the first coupling groove 8 enhances the control of the second branch 3 on the 5G WiFi frequency band resonance 5150MHz-5850MHz. The second coupling groove 9 is arranged between the feed point 5 and the second point 7, and the coupling of the second coupling groove 9 enhances the control of the third branch 4 on the GPS frequency band resonance 1575.42MHz.
[0029] Further, the distance from the feed point 5 to the first point 6 and the distance from the feed point 5 to the second point 7 are both L, so that the first point 6 and the second point 7 respectively maintain balanced coupling effect with the feed point 5.
[0030] Further, the L is 0.5mm-0.8mm, which can improve the ground feed coupling and further improve the overall performance of the antenna.
[0031] Further, the second branch 3 is connected to the left end of the first branch 2, and the third branch 4 is connected to the lower end of the first branch 2.
[0032] Further, the end of the first branch 2 and the end of the third branch 4 are both arc-shaped structures, and the end of the third branch 4 is away from the end of the first branch 2, which can avoid mutual interference between different frequency bands and is beneficial to enhance the radiation performance of the antenna.
[0033] Specifically, the end of the first branch 2 is provided with an elliptical hollow area, which reduces the area of the first branch 2 and adjusts the radiation frequency band of the first branch 2.
[0034] Further, the first branch 2 covers the Bluetooth frequency band and the 2.4G WiFi frequency band, and the Bluetooth frequency band resonance and the 2.4G WiFi frequency band resonance are both 2400MHz-2500MHz, which are controlled by the first branch 2. Specifically, the first branch 2 has a preset length to tune to 2400MHz-2500MHz, which meets the frequency band requirements of Bluetooth and 2.4G WiFi. By adjusting the length of the first branch 2, the adjustment of the Bluetooth and 2.4G WiFi resonance frequencies can be realized independently.
[0035] Further, the second branch 3 covers the 5G WiFi frequency band, and the 5G WiFi frequency band resonance is 5150MHz-5850MHz, which is controlled by the second branch 3. Specifically, the second branch 3 has a preset length to tune to 5150MHz-5850MHz, which meets the frequency band requirements of Bluetooth and 5G WiFi. By adjusting the length of the second branch 3, the adjustment of the 5G WiFi resonance frequency can be realized independently.
[0036] Further, the third branch 4 covers the GPS frequency band, and the GPS frequency band resonance is 1575.42MHz, which is controlled by the third branch 4. Specifically, the third branch 4 has a preset length to tune to 1575.42MHz, which meets the frequency band requirements of GPSi. By adjusting the length of the third branch 4, the adjustment of the GPS resonance frequency can be realized independently.
[0037] After the basic antenna structure is constructed, the length and width of each branch are adjusted and tested in combination with the actual application environment of the three-in-one antenna provided in the embodiment to match the bandwidth, frequency band and performance requirements of GPS, Bluetooth, 2.4G WiFi and 5G WiFi. The debugging method is well known to those skilled in the art, and will not be described here.
[0038] The test performance of the dual-band WiFi antenna after debugging is shown in Figure 3 As can be seen from Figure 3 , it produces relatively obvious resonance in the GPS frequency band, Bluetooth frequency band, 2.4G WiFi frequency band and 5G WiFi frequency band range, and the matching of the three-in-one antenna with the full-screen mobile phone is good, and the antenna has high efficiency.
[0039] In an embodiment, the application also provides a wireless communication device comprising the tri-band antenna provided by the above-mentioned embodiments. The wireless communication device can include, but is not limited to, a mobile phone, a notebook computer, a smart wearable device, and the like.
[0040] The above embodiments are only used to illustrate the technical solutions of the application, and not to limit the protection scope of the application.
Claims
1. A three-in-one antenna, characterized in that, The antenna includes a substrate (1) and an antenna body disposed on the substrate (1). The antenna body includes a first branch (2), a second branch (3), a third branch (4), a feed point (5), a first location (6), and a second location (7). The second branch (3) and the third branch (4) are both connected to the first branch (2). The feed point (5) is disposed on the first branch (2), the first location (6) is disposed on the second branch (3), and the second location (7) is disposed on the third branch (4). A first coupling groove (8) is provided between the first branch (2) and the second branch (3), and a second coupling groove (9) is provided between the first branch (2) and the third branch (4).
2. The three-in-one antenna according to claim 1, characterized in that, The power supply point (5), the first location (6), and the second location (7) are arranged in a straight line, with the first location (6) and the second location (7) located on both sides of the power supply point (5).
3. The three-in-one antenna according to claim 2, characterized in that, The distance from the power supply point (5) to the first location (6) and the distance from the power supply point (5) to the second location (7) are both L.
4. The three-in-one antenna according to claim 3, characterized in that, The value of L is 0.5mm-0.8mm.
5. The three-in-one antenna according to any one of claims 1-4, characterized in that, The second branch (3) is connected to the left end of the first branch (2), and the third branch (4) is connected to the lower end of the first branch (2).
6. The three-in-one antenna according to claim 5, characterized in that, The ends of the first branch (2) and the third branch (4) are both arc-shaped structures, and the end of the third branch (4) is far away from the end of the first branch (2).
7. The three-in-one antenna according to any one of claims 1-4, characterized in that, The first branch (2) covers the Bluetooth band and the 2.4G WiFi band.
8. The three-in-one antenna according to claim 7, characterized in that, The second branch (3) covers the 5G WiFi band.
9. The three-in-one antenna according to claim 8, characterized in that, The third branch (4) covers the GPS frequency band.
10. A wireless communication device, characterized in that, Includes the three-in-one antenna as described in any one of claims 1-9.