Multi-band terminal antenna and terminal device

Abstract

The utility model provides a multi-band terminal antenna and a terminal device using the same. The multi-band terminal antenna comprises a dielectric plate, a feeding point, a grounding point, a first radiation branch knot, a second radiation branch knot, a third radiation branch knot and a fourth radiation branch knot. The first radiation branch knot, the second radiation branch knot, the third radiation branch knot and the fourth radiation branch knot are sequentially connected, the feeding point and the grounding point are electrically connected with the first radiation branch knot, and a first gap is formed between the feeding point and the grounding point. The first radiation branch knot and the third radiation branch knot are provided with second gaps. The multi-band terminal antenna is simple in structure, easy to process, convenient to mount and low in manufacturing cost, and has good radiation performance.

Description

Technical Field

[0001] The utility model relates to the technical field of communications, and in particular to a multi-band terminal antenna and terminal equipment. Background Art

[0002] With the progress of society and the development of science and technology, people have more and more demands on the appearance and texture of electronic devices, signal reception and transmission, and higher and higher requirements on transmission rate and stability. In addition, with the development of technology, in order to adapt to global use, the frequency band requirements of antennas will become more and more comprehensive. This requires the frequency band of antennas to be wider and wider. Currently, wireless routers support three frequency bands: 2.4G, 5G, and 6G, which solves the previous congestion of 2.4G and 5G frequency bands. The application of the 6GHz frequency band means that more channels will be used. At present, most antennas are dual-band antennas of 2.4G and 5G, which cannot meet the requirements of WiFi 6E for antennas.

[0003] In view of this, it is indeed necessary for the present invention to propose a novel multi-band terminal antenna and a terminal device using the terminal antenna. Utility Model Content

[0004] The utility model aims to provide a multi-band terminal antenna, which has not only a simple structure, but also is easy to process, convenient to mount, and has a low manufacturing cost, and also has good radiation performance.

[0005] In order to solve the above technical problems, the utility model provides a multi-band terminal antenna, which includes a dielectric plate, a feeding point, a grounding point, a first radiating branch, a second radiating branch, a third radiating branch and a fourth radiating branch; the first radiating branch, the second radiating branch, the third radiating branch and the fourth radiating branch are connected in sequence, the feeding point and the grounding point are both electrically connected to the first radiating branch, a first gap is provided between the feeding point and the grounding point, and a second gap is provided between the first radiating branch and the third radiating branch.

[0006] As a further improvement of the present invention, two ends of the first radiating branch are respectively arranged perpendicularly on the second radiating branch and the fourth radiating branch, and the second radiating branch is arranged perpendicularly on the third radiating branch.

[0007] As a further improvement of the present invention, the feeding point and the grounding point are both arranged at the connection position of the first radiation branch and the fourth radiation branch, and the feeding point and the grounding point are connected to the mainboard spring clip.

[0008] As a further improvement of the present invention, the first radiating branch and the fourth radiating branch are connected to form a U-shaped first radiator, and the first gap is opened at the connection position of the first radiating branch and the fourth radiating branch, and the two sides of the first gap are electrically connected to the feeding point and the grounding point.

[0009] As a further improvement of the present invention, the second radiation branch is located between the first radiation branch and the third radiation branch, and the first radiation branch, the second radiation branch and the third radiation branch are connected to form a U shape.

[0010] As a further improvement of the present invention, the length of the first radiation branch is 0.2 times the wavelength of the central operating frequency of WiFi2.4G, and the width range is 2mm±0.1; the length range of the second radiation branch is 5mm±0.1, and the width range is 2mm±0.1; the length of the third radiation branch is 0.25 times the wavelength of the central operating frequency of WiFi 2.4G; the length of the fourth radiation branch is 0.1 times the wavelength of the central operating frequency of WiFi 5G, and the width range is 0.3mm±0.1.

[0011] As a further improvement of the present invention, the width range of the first gap is 1 mm ± 0.1, and the length range is 0.07 times the wavelength of the central operating frequency of WiFi 6E.

[0012] As a further improvement of the present invention, the width range of the second gap is 1 mm ± 0.1, and the length range is 0.2 times the wavelength of the central operating frequency of WiFi 2.4G.

[0013] As a further improvement of the present invention, the first radiation branch, the second radiation branch and the third radiation branch are connected to form a U-shaped second radiator, and the second radiator is configured to control the frequency band of 1.5GHz-1.6GHz; the first slot is coupled with the first radiation branch or the fourth radiation branch to generate a control frequency band of 5.925-7.125GHz; the second slot is coupled with the first radiation branch or the third radiation branch to generate a control frequency band of 2.4GHz-2.5GHz; the fourth radiation branch is configured to control the frequency band of 5.15GHz-5.85GHz.

[0014] The purpose of the utility model is to provide a terminal device to better apply the multi-band terminal antenna.

[0015] In order to solve the above technical problems, the utility model provides a terminal device, which includes the above multi-band terminal antenna.

[0016] The utility model provides a multi-band terminal antenna and a terminal device using the multi-band terminal antenna, wherein the multi-band terminal antenna includes a dielectric plate, a feeding point, a grounding point, a first radiating branch, a second radiating branch, a third radiating branch and a fourth radiating branch; the first radiating branch, the second radiating branch, the third radiating branch and the fourth radiating branch are connected in sequence, the feeding point and the grounding point are both electrically connected to the first radiating branch, a first gap is provided between the feeding point and the grounding point, and a second gap is provided between the first radiating branch and the third radiating branch. The multi-band terminal antenna of the utility model is not only simple in structure, easy to process, convenient to mount, and low in manufacturing cost, but also has good radiation performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic structural diagram of the multi-band terminal antenna of the utility model.

[0018] The descriptions of the reference numerals are as follows:

[0019] Multi-band terminal antenna 10, feeding point a, grounding point b, first radiation branch 1, second radiation branch 2, third radiation branch 3, fourth radiation branch 4, first slot c, second slot d. DETAILED DESCRIPTION

[0020] The following is a further detailed description of the new multi-band terminal antenna 10 proposed by the utility model and the terminal device using the terminal antenna in combination with the accompanying drawings and specific embodiments. It should be noted that the accompanying drawings are all in a very simplified form and use non-precise proportions, which are only used to conveniently and clearly assist in explaining the purpose of the embodiments of the utility model. In addition, the structure shown in the accompanying drawings is often a part of the actual structure. In particular, the emphasis of each accompanying drawing is different, and sometimes different proportions are used.

[0021] With the progress of society and the continuous development of science and technology, consumers have higher and higher requirements for the appearance and texture of electronic devices, signal reception and transmission, transmission rate and stability. In addition, with the development of technology, in order to adapt to global use, terminal equipment will have more and more comprehensive requirements for antenna frequency bands, which will require the antenna frequency band to be wider and wider. With the announcement of WiFi 6E frequency bands, the requirements for antennas will be higher. For example, WiFi 6E wireless routers support 2.4G, that is, the frequency band is 2.4~2.5GHz, 5G, that is, the frequency band is 5.15~5.85GHz, and 6G, that is, the frequency band is 5.925~7.125GHz, which solves the previous congestion of 2.4G and 5G frequency bands. The application of the 6GHz band also means that more channels will be used. The 6GHz band ranges from 5.9 to 7.1GHz and has 110 channels, including 7 160MHz channels, 14 80MHz channels, 29 40MHz channels, and 60 20MHz channels. Compared with 45 channels of 5Ghz and 14 channels of 2.4Ghz, its capacity and throughput are greatly increased. However, most antennas are currently dual-band antennas for 2.4G and 5G, which cannot meet the requirements of WiFi 6E for antennas.

[0022] The utility model provides a multi-band terminal antenna 10, which is applied to terminal devices, such as mobile phones, wireless routers, etc. The multi-band terminal antenna 10 includes a dielectric plate, a feeding point a, a grounding point b, a first radiation branch 1, a second radiation branch 2, a third radiation branch 3, and a fourth radiation branch 4; the first radiation branch 1, the second radiation branch 2, the third radiation branch 3, and the fourth radiation branch 4 are connected in sequence, the feeding point a and the grounding point b are both electrically connected to the first radiation branch 1, a first gap c is provided between the feeding point a and the grounding point b, and a second gap d is provided between the first radiation branch 1 and the third radiation branch 3.

[0023] In this way, by opening the first slot c, the slot and the branch can be coupled to generate the frequency band of WiFi 6E; the second slot d opened by the first radiation branch 1 and the third radiation branch 3 can be coupled to generate the frequency band of WiFi 2.4G. The multi-band terminal antenna 10 of the utility model is not only simple in structure, easy to process, convenient to mount, and low in manufacturing cost, but also has good radiation performance. In addition, the multi-band terminal antenna 10 of the utility model also includes the radiation bands of WiFi2.4g, WiFi5g, WiFi6E, GPS, and BT.

[0024] Preferably, the two ends of the first radiating branch 1 are respectively arranged perpendicularly to the second radiating branch 2 and the fourth radiating branch 4, and the second radiating branch 2 is arranged perpendicularly to the third radiating branch 3. The vertical arrangement of each radiating branch can facilitate the processing and manufacturing of the antenna. The feeding point a and the grounding point b are both arranged at the connection position of the first radiating branch 1 and the fourth radiating branch 4, and the feeding point a and the grounding point b are connected to the mainboard spring. The first radiating branch 1 and the fourth radiating branch 4 are connected to form a U-shaped first radiator, and the first slit c is opened at the connection position of the first radiating branch 1 and the fourth radiating branch 4, and the two sides of the first slit c are electrically connected to the feeding point a and the grounding point b.

[0025] Preferably, the second radiation branch 2 is located between the first radiation branch 1 and the third radiation branch 3, and the first radiation branch 1, the second radiation branch 2 and the third radiation branch 3 are connected to form a U shape. The length of the first radiation branch 1 is 0.2 times the wavelength of the central operating frequency of WiFi2.4G, and the width range is 2mm±0.1; the length range of the second radiation branch 2 is 5mm±0.1, and the width range is 2mm±0.1; the length of the third radiation branch 3 is 0.25 times the wavelength of the central operating frequency of WiFi2.4G; the length of the fourth radiation branch 4 is 0.1 times the wavelength of the central operating frequency of WiFi 5G, and the width range is 0.3mm±0.1. The width range of the first gap c is 1mm±0.1, and the length range is 0.07 times the wavelength of the central operating frequency of WiFi 6E. The width range of the second gap d is 1mm±0.1, and the length range is 0.2 times the wavelength of the central operating frequency of WiFi 2.4G. The first radiation branch 1, the second radiation branch 2 and the third radiation branch 3 are connected to form a U-shaped second radiator, and the second radiator is configured to control the frequency band of 1.5GHz-1.6GHz; the first slot c is coupled with the first radiation branch 1 or the fourth radiation branch 4 to generate a control frequency band of 5.925-7.125GHz; the second slot d is coupled with the first radiation branch 1 or the third radiation branch 3 to generate a control frequency band of 2.4GHz-2.5GHz; the fourth radiation branch 4 is configured to control the frequency band of 5.15GHz-5.85GHz.

[0026] In summary, the utility model provides a multi-band terminal antenna 10 and a terminal device using the multi-band terminal antenna 10, wherein the multi-band terminal antenna 10 includes a dielectric plate, a feeding point a, a grounding point b, a first radiating branch 1, a second radiating branch 2, a third radiating branch 3 and a fourth radiating branch 4; the first radiating branch 1, the second radiating branch 2, the third radiating branch 3 and the fourth radiating branch 4 are connected in sequence, the feeding point a and the grounding point b are both electrically connected to the first radiating branch 1, a first gap c is provided between the feeding point a and the grounding point b, and a second gap d is provided between the first radiating branch 1 and the third radiating branch 3. The multi-band terminal antenna 10 of the utility model is not only simple in structure, easy to process, convenient to mount, and low in manufacturing cost, but also has good radiation performance.

[0027] It should be noted that the various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referenced to each other. In addition, the different parts between the various embodiments can also be used in combination with each other, and the present utility model is not limited to this.

[0028] The above description is only a description of the preferred embodiment of the utility model, and is not any limitation to the scope of the utility model. Any changes and modifications made by ordinary technicians in the field of the utility model based on the above disclosure shall fall within the scope of protection of the claims.

Claims

1. A multi-band terminal antenna, characterized in that: The multi-band terminal antenna includes a dielectric plate, a feeding point, a grounding point, a first radiating branch, a second radiating branch, a third radiating branch and a fourth radiating branch; the first radiating branch, the second radiating branch, the third radiating branch and the fourth radiating branch are connected in sequence, the feeding point and the grounding point are both electrically connected to the first radiating branch, a first gap is provided between the feeding point and the grounding point, and a second gap is provided between the first radiating branch and the third radiating branch.

2. The multi-band terminal antenna according to claim 1, characterized in that: Two ends of the first radiation branch are respectively arranged perpendicularly to the second radiation branch and the fourth radiation branch, and the second radiation branch is arranged perpendicularly to the third radiation branch.

3. The multi-band terminal antenna according to claim 2, characterized in that: The feeding point and the grounding point are both arranged at the connection position between the first radiation branch and the fourth radiation branch, and the feeding point and the grounding point are connected to the mainboard spring sheet.

4. The multi-band terminal antenna according to claim 3, characterized in that: The first radiation branch and the fourth radiation branch are connected to form a U-shaped first radiator, the first gap is opened at the connection position of the first radiation branch and the fourth radiation branch, and the two sides of the first gap are electrically connected to the feeding point and the grounding point.

5. The multi-band terminal antenna according to claim 4, characterized in that: The second radiating branch is located between the first radiating branch and the third radiating branch, and the first radiating branch, the second radiating branch and the third radiating branch are connected to form a U shape.

6. The multi-band terminal antenna according to claim 5, characterized in that: The length of the first radiation branch is 0.2 times the wavelength of the central operating frequency of WiFi 2.4G, and the width range is 2mm±0.1; the length range of the second radiation branch is 5mm±0.1, and the width range is 2mm±0.1; the length of the third radiation branch is 0.25 times the wavelength of the central operating frequency of WiFi 2.4G; the length of the fourth radiation branch is 0.1 times the wavelength of the central operating frequency of WiFi 5G, and the width range is 0.3mm±0.

1.

7. The multi-band terminal antenna according to claim 1, characterized in that: The width range of the first gap is 1 mm ± 0.1, and the length range is 0.07 times the wavelength of the central operating frequency of WiFi 6E.

8. The multi-band terminal antenna according to claim 1, characterized in that: The width of the second gap is in the range of 1 mm ± 0.1, and the length is in the range of 0.2 times the wavelength of the central operating frequency of WiFi 2.4G.

9. The multi-band terminal antenna according to claim 1, characterized in that: The first radiation branch, the second radiation branch and the third radiation branch are connected to form a second U-shaped radiator, and the second radiator is configured to control the frequency band of 1.5 GHz-1.6 GHz; The first slot is coupled with the first radiation branch or the fourth radiation branch to generate a control frequency band of 5.925-7.125 GHz; the second slot is coupled with the first radiation branch or the third radiation branch to generate a control frequency band of 2.4 GHz-2.5 GHz; the fourth radiation branch is configured to control a frequency band of 5.15 GHz-5.85 GHz.

10. A terminal device, characterized in that: The terminal device comprises the multi-band terminal antenna according to any one of claims 1 to 9.

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