Antenna structure and electronic equipment
By designing an antenna structure that includes a metal frame segment and a grounding rib, the problem of poor satellite communication signal coverage was solved, enabling efficient satellite signal transmission in remote areas and improving the communication capabilities of electronic devices.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-25
- Publication Date
- 2026-03-27
AI Technical Summary
In existing technologies, satellite communication suffers from poor signal coverage in electronic devices in deserts or remote areas, affecting the safety of rescue and exploration.
Design an antenna structure including a metal frame segment and a grounding rib, which are divided into first and second radiators for radiating satellite frequency band signals, respectively. By reasonably setting the length, width and position of the radiators, the isolation and coverage range can be improved.
It improves the isolation and coverage of satellite signals, enhances the convenience of satellite communication, and improves the communication capabilities of electronic devices in remote areas.
Smart Images
Figure CN121748771A_ABST
Abstract
Description
Technical Field
[0001] This disclosure relates to the field of terminal technology, and in particular to an antenna structure and electronic device. Background Technology
[0002] With the development of satellite technology, a new channel for communication of electronic devices can be provided, enabling rescue to be obtained through satellite communication of mobile phones in some deserts or remote areas, thus improving the safety of exploration. Summary of the Invention
[0003] This disclosure provides an antenna structure and electronic device to address the shortcomings of related technologies.
[0004] According to a first aspect of the present disclosure, an antenna structure is provided, comprising:
[0005] A metal frame segment, the metal frame segment including a first end and a second end disposed opposite to each other, the first end being used to form a first break, and the second end being used to form a second break;
[0006] The grounding anchor is connected to the middle of the metal frame segment, and the metal frame segment is divided into a first radiator and a second radiator by the grounding anchor. Both the first radiator and the second radiator are used to radiate satellite frequency band signals.
[0007] Optional, also includes:
[0008] A metal floor is provided, which is connected to the return rib, and the metal frame segment is located on the outside of the metal floor, and a clear space is formed between the first radiator and the second radiator; the return rib is connected to the middle area of the metal floor.
[0009] Optional, also includes:
[0010] The third radiator includes a first strip-shaped region and a second strip-shaped region that is bent and connected to the first strip-shaped region, wherein the first strip-shaped region cooperates with the first radiator to form the first fracture.
[0011] The fourth radiator includes a third strip-shaped region and a fourth strip-shaped region that is bent and connected to the third strip-shaped region. The third strip-shaped region cooperates with the second radiator to form the second fracture.
[0012] Optionally, the length of the first strip region is between 12mm and 20mm;
[0013] The length of the third strip-shaped region is between 12mm and 20mm.
[0014] Optionally, the lengths of the first strip region and the third strip region are equal.
[0015] Optionally, in the extending direction of the metal frame segment, the width of the backfill rib is in the range of 8mm-15mm.
[0016] Optionally, the first radiator and the second radiator have the same length.
[0017] Optionally, the first radiator covers a frequency band of 1668MHz-1675MHz and a frequency band of 1518MHz-1525MHz;
[0018] The second radiator covers a frequency range of 1668MHz-1675MHz and a frequency range of 1518MHz-1525MHz.
[0019] According to a second aspect of the present disclosure, an electronic device is provided, including an antenna structure as described in any of the above embodiments, wherein the metal frame segment is located at the top center of the electronic device.
[0020] Optionally, the distance between the first radiator and the center line of the electronic device is equal to the distance between the second radiator and the center line of the electronic device.
[0021] The technical solutions provided by the embodiments of this disclosure may include the following beneficial effects:
[0022] As can be seen from the above embodiments, the first radiator and the second radiator in this disclosure are arranged on both sides of the return rib position, which is beneficial to improve the isolation when the first radiator and the second radiator radiate at the same frequency. It is also beneficial to achieve the complementarity of the radiation pattern of the first radiator and the radiation pattern of the second radiator in the zenith direction, so as to increase the coverage range and improve the convenience of star observation.
[0023] It should be understood that the above general description and the following detailed description are exemplary and explanatory only, and are not intended to limit this disclosure. Attached Figure Description
[0024] The accompanying drawings, which are incorporated in and form a part of this specification, illustrate embodiments consistent with this disclosure and, together with the description, serve to explain the principles of this disclosure.
[0025] Figure 1 This is a front view of an antenna structure according to an exemplary embodiment.
[0026] Figure 2 This is a radiation pattern of an antenna structure according to an exemplary embodiment.
[0027] Figure 3This is a diagram showing the standing wave curves of the first and second radiators of an antenna structure, and the isolation curves of the first and second radiators, according to an exemplary embodiment.
[0028] Figure 4 This is a current distribution diagram of a first radiator according to an exemplary embodiment.
[0029] Figure 5 This is a current distribution diagram of a second radiator according to an exemplary embodiment.
[0030] Figure 6 This is a radiation pattern of a left-handed circularly polarized first radiator according to an exemplary embodiment.
[0031] Figure 7 This is a radiation pattern of a left-handed circularly polarized second radiator according to an exemplary embodiment.
[0032] Figure 8 This is a schematic diagram of an electronic device according to an exemplary embodiment. Detailed Implementation
[0033] Exemplary embodiments will now be described in detail, examples of which are illustrated in the accompanying drawings. When the following description relates to the drawings, unless otherwise indicated, the same numerals in different drawings denote the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with this disclosure. Rather, they are merely examples of apparatuses and methods consistent with some aspects of this disclosure as detailed in the appended claims.
[0034] The terminology used in this disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. The singular forms “a,” “the,” and “the” as used in this disclosure and the appended claims are also intended to include the plural forms unless the context clearly indicates otherwise. It should also be understood that the term “and / or” as used herein refers to and includes any and all possible combinations of one or more of the associated listed items.
[0035] It should be understood that although the terms first, second, third, etc., may be used in this disclosure to describe various information, such information should not be limited to these terms. These terms are used only to distinguish information of the same type from one another. For example, without departing from the scope of this disclosure, first information may also be referred to as second information, and similarly, second information may also be referred to as first information. Depending on the context, the word "if" as used herein may be interpreted as "when," "when," or "in response to determination."
[0036] Figure 1This is a front view of an antenna structure according to an exemplary embodiment, such as... Figure 1 As shown, the antenna structure includes a metal frame segment 1 and a grounding rib 2. The metal frame segment 1 includes a first end 11 and a second end 12 arranged opposite to each other. The first end 11 is used to form a first gap, and the second end 12 is used to form a second gap. The grounding rib 2 is connected to the middle of the metal frame segment 1 and can divide the metal frame segment 1 into a first radiator 13 and a second radiator 14. The first end 11 is located at the end of the first radiator 13 opposite to the grounding rib 2, and the second end 12 is located at the end of the second radiator 14 opposite to the grounding rib 2. Both the first radiator 13 and the second radiator 14 are used to radiate satellite frequency band signals, such as BeiDou satellite frequency band signals, TianTong satellite frequency band signals, or StarNet frequency band signals. The first radiator 13 and the second radiator 14 are of equal length, which helps to improve the aesthetics of the antenna structure. This is especially helpful when the antenna structure is configured in the electronic device and the metal frame segment 1 is part of the appearance of the electronic device, thus greatly enhancing the aesthetics of the electronic device.
[0037] Based on this, when configuring this antenna structure into the corresponding electronic device, it is advantageous to place the first radiator 13 and the second radiator 14 in the top middle area of the electronic device, so that the circular polarization patterns of the first radiator 13 and the second radiator 14 can be mainly emitted towards the zenith, which is convenient for satellite alignment. Moreover, placing the first radiator 13 and the second radiator 14 on both sides of the return rib position 2 can improve the isolation when the first radiator 13 and the second radiator 14 radiate at the same frequency. It is also beneficial to achieve the complementarity of the radiation patterns of the first radiator 13 and the second radiator 14 in the zenith direction, so as to increase the coverage range and improve the convenience of satellite alignment.
[0038] For example, still using Figure 1 As shown, the antenna structure also includes a metal ground plane 5, which is connected to the grounding rib 2. The metal frame segment 1 is located outside the metal ground plane 5. A clearance is formed between the metal ground plane 5 and both the first radiator 13 and the second radiator 14 to ensure radiation quality. The grounding rib 2 is connected to the middle region of the metal ground plane 5. This allows for the placement of the first radiator 13 and the second radiator 14 to the left and right of the center of the metal ground plane 5, respectively, facilitating the complementarity of their radiation patterns.
[0039] In some embodiments, the antenna structure further includes a third radiator 3, which includes a first strip region 31 and a second strip region 32 that is bent and connected to the first strip region 31, for example... Figure 1As shown, the second strip-shaped area 32 can be bent 90° relative to the first strip-shaped area 31. The first strip-shaped area 31 extends in the same direction as the metal frame segment 1, and the first strip-shaped area 31 cooperates with the first radiator 13 to form a first gap. The connection position of the first strip-shaped area 31 and the second strip-shaped area 32 can be grounded through a grounding rib. The first strip-shaped area 31 and the second strip-shaped area 32 can radiate as different radiating branches, or the first strip-shaped area 31 and the second strip-shaped area 32 can share a clear space without grounding through a grounding rib. The specific design depends on the needs. In some embodiments,
[0040] The antenna structure also includes a fourth radiator 4, which comprises a third strip region 41 and a fourth strip region 42 that is bent and connected to the third strip region 41, for example... Figure 1 As shown, the fourth strip-shaped area 42 can be bent 90° relative to the third strip-shaped area 41. The third strip-shaped area 41 extends in the same direction as the metal frame segment 1, and the third strip-shaped area 41 cooperates with the second radiator 14 to form a second fracture. The connection position of the third strip-shaped area 41 and the fourth strip-shaped area 42 can be grounded through a grounding rib. The third strip-shaped area 41 and the fourth strip-shaped area 42 can radiate as different radiating branches, or the third strip-shaped area 41 and the fourth strip-shaped area 42 can share a clear space without grounding through a grounding rib. The specific design depends on the needs.
[0041] Based on this, the metal frame segment 1 can be set between the first strip area 31 and the third strip area 41. Through the design of the first strip area 31 and the third strip area 41, the metal frame segment 1 can be set in the center. That is, the first radiator 13 and the second radiator 14 can be set relatively close to the center, which is conducive to the radiation pattern radiating towards the zenith and simplifies the difficulty of star alignment.
[0042] The length of the first strip region 31 determines the relationship between the first radiator 13 and the antenna structure. Figure 1 The spacing between the left and right sides affects the centering of the radiation pattern of the first radiator 13. The length of the third strip region 41 determines the relationship between the second radiator 14 and the antenna structure. Figure 1 The spacing between the right and middle sides affects the centering of the radiation pattern of the second radiator 14.
[0043] In some embodiments, the length of the first strip region 31 is greater than 20 mm and the length of the third strip region 41 is greater than 20 mm, such as... Figure 2As shown, the radiation patterns of the first radiator 13 and the second radiator 14 both face the zenith direction, and most of their radiation patterns overlap. In other embodiments, the length of the first strip region 31 is between 12mm and 20mm, for example, the length of the first strip region 31 is 12mm, 14mm, 17mm, 18mm, or 20mm; the length of the third strip region 41 is between 12mm and 20mm, for example, the length of the third strip region 41 is 12mm, 14mm, 17mm, 18mm, or 20mm. At this time, relative to... Figure 2 The radiation patterns of the first radiator 13 and the second radiator 14 can be moved to the two side edges respectively, that is, the radiation patterns of the first radiator 13 and the second radiator 14 can be moved to the two side edges respectively. Figure 2 The overlapping regions of the radiation patterns are at least partially separated, achieving complementarity between the radiation patterns of the first radiator 13 and the second radiator 14, and increasing the coverage of the radiation patterns of the first radiator 13 and the second radiator 14. The lengths of the first strip region 31 and the third strip region 41 can be equal to improve aesthetics. Of course, in other embodiments, the lengths of the first strip region 31 and the third strip region 41 may not be equal.
[0044] In some embodiments, the width of the grounding rib 2 in the extending direction of the metal frame segment 1 is within the range of 8mm-15mm. For example, the width of the grounding rib 2 can be 8mm, 10mm, 11mm, 13mm, 14mm, or 15mm. By setting the width of the grounding rib 2, it is beneficial to improve the isolation between the first radiator 13 and the second radiator 14 and reduce crosstalk. Taking the first radiator 13 covering the frequency band range of 1668MHz-1675MHz and the frequency band range of 1518MHz-1525MHz, and the second radiator 14 covering the frequency band range of 1668MHz-1675MHz and the frequency band range of 1518MHz-1525MHz as an example... Figure 3 As shown, the red curve is the standing wave curve of the first radiator 13, the yellow curve is the standing wave curve of the second radiator 14, and the green curve is the isolation curve between the first radiator 13 and the second radiator 14. It can be seen that within the coverage frequency band of the first radiator 13 and the second radiator 14, the isolation between the two radiators is about -10dB.
[0045] On the other hand, such as Figure 4 and Figure 5 As shown, the first radiator 13 and the second radiator 14 are configured to share a common grounding point 2. This common grounding point 2 enables current to return to ground and allows them to act as parasitic branches for each other. Furthermore, the parasitic frequency point is before the operating frequency point, thus optimizing the radiation pattern of the other. Figure 6 and Figure 7 As shown, Figure 6 This is the left-hand circular polarization pattern of the first radiator 13 in the rear view direction, pointing towards the upper right of the zenith. Figure 7 The left-hand circular polarization pattern of the second radiator 14 is shown in the back view direction, pointing towards the upper left of the zenith. The patterns are complementary, which is beneficial for full coverage of the entire zenith region.
[0046] In the foregoing embodiments, by reasonably adjusting the length of the first strip region 31 and the length of the third strip region 41, it is beneficial to achieve complementary radiation patterns between the first radiator 13 and the second radiator 14. By reasonably adjusting the width of the return rib position 2, it is beneficial to achieve complementary radiation patterns between the first radiator 13 and the second radiator 14. In the same technical solution, the above-mentioned implementation methods for achieving complementary radiation patterns between the first radiator 13 and the second radiator 14 can be implemented simultaneously, or only one of them can be implemented. This disclosure does not impose any limitations on this.
[0047] Based on the technical solution disclosed herein, such as Figure 8 As shown, an electronic device is also provided, which includes the antenna structure described in any of the foregoing embodiments, and the metal frame segment 1 is located at the top center of the electronic device, so that the radiation patterns of the first radiator 13 and the second radiator 14 are relatively centered and face the zenith direction, which facilitates star alignment.
[0048] Furthermore, the distance between the first radiator 13 and the center line of the electronic device is equal to the distance between the second radiator 14 and the center line of the electronic device. That is, as... Figure 8 As shown, the distance between the first radiator 13 and the center line of the electronic device is L1, and the distance between the second radiator 14 and the center line of the electronic device is L2, where L1 = L2. By setting the lengths to be equal, after the matching and power supply positions of either the first radiator 13 or the second radiator 14 are determined, it is beneficial for the other radiator to be designed as a reference, thus reducing design costs. The electronic device may include a foldable device or a candybar device; this disclosure does not limit it in this regard.
[0049] Other embodiments of this disclosure will readily occur to those skilled in the art upon consideration of the specification and practice of the disclosure herein. This disclosure is intended to cover any variations, uses, or adaptations of this disclosure that follow the general principles of this disclosure and include common knowledge or customary techniques in the art not disclosed herein. The specification and examples are to be considered exemplary only, and the true scope and spirit of this disclosure are indicated by the following claims.
[0050] It should be understood that this disclosure is not limited to the precise structures described above and shown in the accompanying drawings, and various modifications and changes can be made without departing from its scope. The scope of this disclosure is limited only by the appended claims.
Claims
1. An antenna structure, characterized in that, include: A metal frame segment, the metal frame segment including a first end and a second end disposed opposite to each other, the first end being used to form a first break, and the second end being used to form a second break; The grounding anchor is connected to the middle of the metal frame segment, and the metal frame segment is divided into a first radiator and a second radiator by the grounding anchor. Both the first radiator and the second radiator are used to radiate satellite frequency band signals.
2. The antenna structure according to claim 1, characterized in that, Also includes: A metal floor is connected to the return rib, and a metal frame segment is located on the outside of the metal floor. The metal floor forms a clear space between itself and the first radiator and the second radiator, respectively. The return rib connects to the middle area of the metal floor.
3. The antenna structure according to claim 1, characterized in that, Also includes: The third radiator includes a first strip-shaped region and a second strip-shaped region that is bent and connected to the first strip-shaped region, wherein the first strip-shaped region cooperates with the first radiator to form the first fracture. The fourth radiator includes a third strip-shaped region and a fourth strip-shaped region that is bent and connected to the third strip-shaped region. The third strip-shaped region cooperates with the second radiator to form the second fracture.
4. The antenna structure according to claim 3, characterized in that, The length of the first strip-shaped region is between 12mm and 20mm; The length of the third strip-shaped region is between 12mm and 20mm.
5. The antenna structure according to claim 3, characterized in that, The lengths of the first strip region and the third strip region are equal.
6. The antenna structure according to claim 1, characterized in that, In the extending direction of the metal frame segment, the width of the backfill rib is in the range of 8mm-15mm.
7. The antenna structure according to claim 1, characterized in that, The first radiator and the second radiator have the same length.
8. The antenna structure according to claim 1, characterized in that, The first radiator covers a frequency band of 1668MHz-1675MHz and a frequency band of 1518MHz-1525MHz; The second radiator covers a frequency range of 1668MHz-1675MHz and a frequency range of 1518MHz-1525MHz.
9. An electronic device, characterized in that, The antenna structure includes any one of claims 1-8, wherein the metal frame segment is located at the top center of the electronic device.
10. The electronic device according to claim 9, characterized in that, The distance between the first radiator and the center line of the electronic device is equal to the distance between the second radiator and the center line of the electronic device.