Antenna and electronic equipment

Abstract

The utility model discloses an antenna and an electronic device, and relates to the technical field of communication, the antenna comprises an antenna body, the antenna body comprises a first radiator and a second radiator, the first radiator surrounds a first space, the first space is open towards the second radiator, and a part of the second radiator extends into the first space through the open end of the first space; and the connecting line is electrically connected with the first radiator and the second radiator, and the connecting line is suitable for being electrically connected with the mainboard. Therefore, the first space which is open towards the second radiator is surrounded by the first radiator, and the part of the second radiator extends into the first space through the open end of the first space, so that the antenna can be reasonably designed, and the antenna can have excellent performance only by needing a very small size and clearance; the size of the antenna can be reduced on the premise that the antenna performance requirement is met, and the application range of the antenna can be widened.

Description

Technical Field

[0001] The utility model relates to the technical field of communications, in particular to an antenna and electronic equipment. Background Art

[0002] In wireless communication systems and IoT products, the device used to radiate and receive radio waves is called an antenna. Like transmitters and receivers, antennas are also essential components of radio equipment. Antennas are converters that convert electromagnetic waves traveling on transmission lines into electromagnetic waves propagating through the air. Essentially, antennas can function as both transmitters and receivers, demonstrating reciprocity.

[0003] The performance of IoT antennas is currently limited by two factors: First, as IoT devices become smaller, the electromagnetic environment they encounter becomes more complex and limited; second, IoT devices place increasing demands on antenna performance. These two factors significantly impact the antenna's applicability. Therefore, reducing antenna size while improving performance has become a pressing technical challenge. Utility Model Content

[0004] The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, one object of the present invention is to provide an antenna that requires only minimal size and clearance to achieve excellent performance, reducing the size of the antenna while meeting performance requirements and increasing its applicability.

[0005] The utility model further provides an electronic device.

[0006] According to the utility model, the antenna includes: an antenna body, the antenna body includes a first radiator and a second radiator, the first radiator surrounds a first space, the first space is open toward the second radiator, and a portion of the second radiator extends into the first space through the open end of the first space; a connecting wire, the connecting wire is electrically connected to the first radiator and the second radiator, and the connecting wire is suitable for being electrically connected to the mainboard.

[0007] According to the antenna of the present invention, by making the first radiator surround a first space open toward the second radiator, and making part of the second radiator extend into the first space through the open end of the first space, the antenna can be reasonably designed, so that the antenna only needs a very small size and clearance to have excellent performance, and the volume of the antenna can be reduced while meeting the antenna performance requirements, which can improve the scope of application of the antenna.

[0008] In some examples of the present invention, the first radiator includes: a first sub-radiator, a second sub-radiator and a third sub-radiator, the two ends of the second sub-radiator are respectively connected to the first sub-radiator and the third sub-radiator, and the first sub-radiator, the second sub-radiator and the third sub-radiator jointly surround the first space.

[0009] In some examples of the present invention, the second radiator includes a fourth sub-radiator and a fifth sub-radiator, the fourth sub-radiator extends along the first direction, one end of the fourth sub-radiator extends into the first space through the open end of the first space, and the other end of the fourth sub-radiator is connected to the fifth sub-radiator. Along the second direction, the width dimension of the fourth sub-radiator is smaller than the width dimension of the fifth sub-radiator, and the first direction is perpendicular to the second direction.

[0010] In some examples of the present invention, along the first direction, the length dimension of the antenna body is A, which satisfies the relationship: 50.6 mm ≤ A ≤ 51 mm.

[0011] In some examples of the present invention, along the second direction, the width dimension of the antenna body is B, which satisfies the relationship: 14.2 mm ≤ B ≤ 14.6 mm.

[0012] In some examples of the present invention, the length of the connecting line is C, which satisfies the relationship: 32 mm ≤ C ≤ 36 mm.

[0013] In some examples of the present invention, the antenna further includes: a connector, the connector being connected to one end of the connecting line, and the connecting line being adapted to be arranged on the mainboard through the connector.

[0014] In some examples of the present invention, the connecting line has a first end and a second end relative to each other, the first end is suitable for being electrically connected to the mainboard, and the second end includes: a first connecting part and a second connecting part, the first connecting part and the second connecting part are connected, and the first connecting part and the second connecting part are electrically connected to the first radiator and the second radiator respectively.

[0015] In some examples of the present invention, the antenna body further includes: a substrate and a backing adhesive. Along the thickness direction of the antenna body, the first radiator and the second radiator are both arranged on the same side of the substrate, and the backing adhesive is arranged on the other side of the substrate.

[0016] The electronic device according to the present invention includes: a mainboard and an antenna, wherein the antenna includes the above-mentioned antenna, and the antenna is electrically connected to the mainboard.

[0017] Additional aspects and advantages of the present invention will be given in part in the following description and will become apparent from the following description or learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The above and / or additional aspects and advantages of the present invention will become apparent and readily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0019] Figure 1 is a cross-sectional view of an antenna according to an embodiment of the present utility model;

[0020] Figure 2 2 is a schematic diagram of the VSWR of the antenna according to an embodiment of the present utility model;

[0021] Figure 3 is a schematic diagram of a matching network required for the antenna according to an embodiment of the present utility model;

[0022] Figure 4 3 is a schematic diagram of a passive efficiency test of an antenna according to an embodiment of the present invention.

[0023] Reference numerals:

[0024] Antenna 100;

[0025] Antenna body 10;

[0026] First radiator 11; first sub-radiator 111; second sub-radiator 112; third sub-radiator 113; first space 12;

[0027] The second radiator 13; the fourth sub-radiator 131; the fifth sub-radiator 132;

[0028] Connecting line 20 ; first end 21 ; second end 22 ; first connecting portion 221 ; second connecting portion 222 ; connecting member 30 . DETAILED DESCRIPTION

[0029] The following describes embodiments of the present invention in detail. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended only to explain the present invention and are not to be construed as limiting the present invention.

[0030] Reference below Figures 1-4 An antenna 100 according to an embodiment of the present invention is described.

[0031] like Figures 1-4 As shown, the antenna 100 according to an embodiment of the present invention includes: an antenna body 10 and a connecting line 20 .

[0032] The antenna body 10 includes a first radiator 11 and a second radiator 13. The first radiator 11 surrounds a first space 12, and the first space 12 is open toward the second radiator 13. That is, the first space 12 has an open end, and the open end of the first space 12 is open toward the second radiator 13. Part of the second radiator 13 extends into the first space 12 through the open end of the first space 12. As some embodiments of the present application, one end of the second radiator 13 extends from the outside of the first space 12 toward the first space 12, and one end of the second radiator 13 extends into the first space 12 from the open end of the first space 12.

[0033] The connecting wire 20 is electrically connected to the first radiator 11 and the second radiator 13, and is suitable for being electrically connected to the mainboard. In some embodiments of the present application, the connecting wire 20 can be buckled onto the IPEX RF socket reserved on the mainboard through the IPEX MHF1 terminal.

[0034] As some embodiments of the present application, the antenna 100 proposed in the present application can be a 4G full-band FPC cellular antenna 100, that is, the antenna 100 proposed in the present application can support the 4G full-band (617MHz-960MHz, 1710MHz-2200MHz, 2300MHz-2690MHz).

[0035] It should be noted that by making the antenna body 10 include a first radiator 11 and a second radiator 13, and making the first radiator 11 arranged in a circumferential manner to surround a first space 12 open at one end, and making a portion of the second radiator 13 extend into the first space 12 through the open end of the first space 12, the structural design of the antenna body 10 can be made reasonable, and the performance of the antenna 100 can be improved without increasing the structural size of the antenna body 10, so that the volume of the antenna 100 can be reduced while meeting the performance requirements of the antenna 100, so as to adapt to the demand for miniaturization of the antenna 100.

[0036] The VSWR diagram of the antenna 100 proposed in this application is as follows: Figure 2 As shown in the VSWR graph of the antenna 100 proposed in this application, the horizontal axis is frequency (unit: MHz) and the vertical axis is VSWR (Voltage Standing Wave Ratio). Specifically, the VSWR corresponding to the frequency range of 617MHz-960MHz is 2.7-4.1, the VSWR corresponding to the frequency range of 1710MHz-2200MHz is 1.4-2.6, and the VSWR corresponding to the frequency range of 2300MHz-2690MHz is 1.4-2.1.

[0037] The passive efficiency test diagram of the antenna 100 proposed in this application is shown in FIG. Figure 4 In the passive efficiency test graph of the antenna 100 proposed in this application, the horizontal axis represents frequency (in MHz) and the vertical axis represents the efficiency of the antenna 100 (in percentage). The efficiency of the antenna 100 corresponding to the frequency range of 617MHz-960MHz is 25%-42%, the efficiency of the antenna 100 corresponding to the frequency range of 1710MHz-2200MHz is 48%-62%, and the efficiency of the antenna 100 corresponding to the frequency range of 2300MHz-2690MHz is 58%-67%.

[0038] Therefore, by making the first radiator 11 surround a first space 12 that is open to the second radiator 13, and making part of the second radiator 13 extend into the first space 12 through the open end of the first space 12, the antenna 100 can be reasonably designed, so that the antenna 100 only requires a very small size and clearance to have excellent performance, and the volume of the antenna 100 can be reduced while meeting the performance requirements of the antenna 100, which can improve the scope of application of the antenna 100.

[0039] In some embodiments of the present invention, Figure 1 As shown, the first radiator 11 includes: a first sub-radiator 111, a second sub-radiator 112 and a third sub-radiator 113, wherein the second sub-radiator 112 is connected between the first sub-radiator 111 and the third sub-radiator 113. Specifically, the two ends of the second sub-radiator 112 are respectively connected to the first sub-radiator 111 and the third sub-radiator 113. As some embodiments of the present application, the two ends of the second sub-radiator 112 are respectively connected to one end of the first sub-radiator 111 and one end of the third sub-radiator 113.

[0040] In some embodiments of the present application, the first sub-radiator 111 and the third sub-radiator 113 are arranged in parallel, and the second sub-radiator 112 is arranged perpendicular to the first sub-radiator 111, for example Figure 1 As shown, the first sub-radiator 111 and the third sub-radiator 113 are both along the first direction (ie Figure 1 The second sub-radiator 112 extends in the second direction (ie Figure 1 In other words, the first sub-radiator 111 and the third sub-radiator 113 are arranged along the second direction (ie Figure 1 The first sub-radiator 111, the second sub-radiator 112, and the third sub-radiator 113 are arranged in a spaced relationship (in the Y direction shown), wherein the first direction is perpendicular to the second direction. The first sub-radiator 111, the second sub-radiator 112, and the third sub-radiator 113 together surround a first space 12, and the first space 12 has an open end that opens toward the second radiator 13.

[0041] Such a setting can make the structure of the first radiator 11 reasonable, and can make the electromagnetic waves radiated by the antenna 100 more stable, which is beneficial to improving the performance of the antenna 100. In addition, it can reduce the clearance required by the antenna 100, so that the antenna 100 can be adapted to smaller electronic devices, which is beneficial to improving the adaptability of the antenna 100.

[0042] In some embodiments of the present invention, Figure 1 As shown, the second radiator 13 includes a fourth sub-radiator 131 and a fifth sub-radiator 132, wherein the fourth sub-radiator 131 and the fifth sub-radiator 132 are both along the first direction (ie Figure 1 The X direction shown in FIG) extends along the first direction (ie Figure 1 The fourth sub-radiator 131 has two opposite ends. One end of the fourth sub-radiator 131 extends into the first space 12 through the open end of the first space 12, and the other end of the fourth sub-radiator 131 is connected to the fifth sub-radiator 132. Specifically, the other end of the fourth sub-radiator 131 is connected to one end of the fifth sub-radiator 132, and along the second direction (i.e. Figure 1 The width of the fourth sub-radiator 131 is smaller than the width of the fifth sub-radiator 132. Figure 1 The X direction shown) and the second direction (ie Figure 1 The Y direction shown) is vertical.

[0043] Such a setting can make the structure of the second radiator 13 reasonable, and can make the electromagnetic waves radiated by the antenna 100 more stable, which is beneficial to improving the performance of the antenna 100. In addition, it can reduce the clearance required by the antenna 100, so that the antenna 100 can be adapted to smaller electronic devices, which is beneficial to improving the adaptability of the antenna 100.

[0044] In some embodiments of the present invention, Figure 1 As shown, along the first direction (ie Figure 1 In the X-direction shown, the length dimension A of the antenna body 10 satisfies the relationship: 50.6 mm ≤ A ≤ 51 mm. That is, the length dimension A of the antenna body 10 can be any value between 50.6 mm and 51 mm. For example, the length dimension A of the antenna body 10 can be, but is not limited to, 50.6 mm, 50.8 mm, or 51 mm. By setting the length dimension A of the antenna body 10 to any value between 50.6 mm and 51 mm, the length dimension A of the antenna body 10 can be optimized, and the length dimension of the antenna 100 can be reduced. This allows the antenna 100 to be compatible with smaller electronic devices, thereby improving the adaptability of the antenna 100.

[0045] In some embodiments of the present invention, Figure 1As shown, along the second direction (ie Figure 1 In the Y direction shown in FIG. 1 , the width B of the antenna body 10 satisfies the relationship: 14.2 mm ≤ B ≤ 14.6 mm. That is, the width B of the antenna body 10 can be any value between 14.2 mm and 14.6 mm. For example, the width B of the antenna body 10 can be, but is not limited to, 14.2 mm, 14.4 mm, or 14.6 mm. By setting the width B of the antenna body 10 to any value between 14.2 mm and 14.6 mm, the width B of the antenna body 10 can be optimized, and the width of the antenna 100 can be reduced. This allows the antenna 100 to be compatible with smaller electronic devices, thereby improving the adaptability of the antenna 100.

[0046] In some embodiments of the present invention, Figure 1 As shown, the length of the connecting wire 20 is C, which satisfies the relationship: 32 mm ≤ C ≤ 36 mm. That is, the length C of the connecting wire 20 can be any value between 32 mm and 36 mm. For example, the length C of the connecting wire 20 can be, but is not limited to, 32 mm, 34 mm, 36 mm, etc. By setting the length C of the connecting wire 20 to any value between 32 mm and 36 mm, the length of the connecting wire 20 can be made reasonable and shorter, thereby reducing the production cost of the antenna 100 and the installation difficulty of the antenna 100, thereby reducing the assembly cost for the end customer.

[0047] As some embodiments of the present application, the diameter of the connecting wire 20 may be, but is not limited to, 1.13 mm, and the color may be, but is not limited to, black.

[0048] In some embodiments of the present invention, Figure 1 As shown, the antenna 100 also includes: a connector 30, the connecting wire 20 has two opposite ends, the connector 30 is connected to one end of the connecting wire 20, and the connecting wire 20 is suitable for being provided on the mainboard through the connector 30. As some embodiments of the present application, the connector 30 can be constructed as an IPEX MHF1 terminal, and the connecting wire 20 can be buckled onto the IPEX RF socket reserved on the mainboard through the IPEX MHF1 terminal. By providing the connector 30, the installation of the antenna 100 can be facilitated, the difficulty of installing the antenna 100 can be reduced, and the assembly cost of the end customer can be reduced.

[0049] In some embodiments of the present invention, Figure 1As shown, the connecting wire 20 has a first end 21 and a second end 22 relative to each other, and the first end 21 is suitable for being electrically connected to the mainboard. Specifically, the connecting member 30 is connected to the first end 21 of the connecting wire 20, and the first end 21 of the connecting wire 20 is suitable for being buckled on the IPEX RF socket reserved on the mainboard through the connecting member 30 to be electrically connected to the mainboard. The second end 22 of the connecting wire 20 includes: a first connecting portion 221 and a second connecting portion 222, the first connecting portion 221 and the second connecting portion 222 are connected, and the first connecting portion 221 and the second connecting portion 222 are electrically connected to the first radiator 11 and the second radiator 13 respectively, that is, the first connecting portion 221 is electrically connected to the first radiator 11, and the second connecting portion 222 is electrically connected to the second radiator 13, and the first connecting portion 221 and the second connecting portion 222 are connected. As some embodiments of the present application, the first connection portion 221 is welded to the first radiator 11 , and the second connection portion 222 is welded to the second radiator 13 . Specifically, the first connection portion 221 is welded to the third sub-radiator 113 , and the second connection portion 222 is welded to the fourth sub-radiator 131 .

[0050] Such a configuration can electrically connect the connecting wire 20 to both the first radiator 11 and the second radiator 13 , thereby simplifying the structure of the antenna 100 and reducing the difficulty of manufacturing the antenna 100 .

[0051] In some embodiments of the present invention, the antenna body 10 further comprises a substrate and adhesive backing. Along the thickness direction of the antenna body 10, the first radiator 11 and the second radiator 13 are both located on the same side of the substrate, with the adhesive backing located on the other side of the substrate. That is, along the thickness direction of the antenna body 10, the first radiator 11 and the second radiator 13 are both located on one side of the substrate, with the adhesive backing located on the other side of the substrate. The adhesive backing allows the antenna body 10 to be adhered to a non-metallic component such as an electronic device housing. This arrangement provides routing locations for the first radiator 11 and the second radiator 13 via the substrate, which helps improve the structural rationality of the antenna body 10, enabling the antenna 100 to achieve excellent performance while requiring minimal size and clearance. Furthermore, the adhesive backing allows the antenna body 10 to be adhered to other components, making it easier to attach the antenna body 10 to other components.

[0052] As some embodiments of the present application, ink can be sprayed on the first radiator 11 and the second radiator 13. This can prevent the first radiator 11 and the second radiator 13 from being directly exposed to the outside, reduce the corrosion and damage of the first radiator 11 and the second radiator 13 caused by the external environment, and at the same time improve the mechanical strength and durability of the antenna 100. Moreover, the conductivity of the ink enables the antenna 100 to better transmit and guide radio waves, which is beneficial to enhancing the performance of the antenna 100.

[0053] According to an embodiment of the present invention, the electronic device includes: a mainboard and an antenna 100, wherein the antenna 100 is the antenna 100 of the above embodiment, and the antenna 100 is electrically connected to the mainboard. Specifically, the connecting wire 20 can be buckled onto the IPEX radio frequency socket reserved on the mainboard through the IPEX MHF1 terminal to electrically connect the antenna 100 to the mainboard. Figure 3 As shown, a π-type matching network is reserved on the mainboard, and an 8.2nH inductor is used in the parallel position close to the antenna 100, and a 0Ω inductor is used in the series position.

[0054] By making the first radiator 11 surround a first space 12 that is open to the second radiator 13, and making a portion of the second radiator 13 extend into the first space 12 through the open end of the first space 12, the antenna 100 can be reasonably designed so that the antenna 100 only requires a very small size and clearance to have excellent performance. The volume of the antenna 100 can be reduced while meeting the performance requirements of the antenna 100, and the scope of application of the antenna 100 can be improved.

[0055] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation to the present invention.

[0056] In the description of the present invention, "first feature" and "second feature" may include one or more such features.

[0057] In the description of the present invention, “plurality” means two or more.

[0058] In the description of the present invention, a first feature being “above” or “below” a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact via another feature therebetween.

[0059] In the description of the present invention, a first feature “above”, “above” and “above” a second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is horizontally higher than the second feature.

[0060] Throughout this specification, reference to terms such as "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples" means that the specific features, structures, materials, or characteristics described in conjunction with that embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the illustrative use of the above terms does not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0061] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and purpose of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. An antenna, characterized in that: include: an antenna body, the antenna body comprising a first radiator and a second radiator, the first radiator surrounding a first space, the first space being open toward the second radiator, and a portion of the second radiator extending into the first space through an open end of the first space; A connecting wire is electrically connected to both the first radiator and the second radiator, and the connecting wire is suitable for being electrically connected to a mainboard.

2. The antenna according to claim 1, wherein The first radiator includes: a first sub-radiator, a second sub-radiator and a third sub-radiator, two ends of the second sub-radiator are respectively connected to the first sub-radiator and the third sub-radiator, and the first sub-radiator, the second sub-radiator and the third sub-radiator jointly surround the first space.

3. The antenna according to claim 1, wherein The second radiator includes a fourth sub-radiator and a fifth sub-radiator, the fourth sub-radiator extends along the first direction, one end of the fourth sub-radiator extends into the first space through the open end of the first space, and the other end of the fourth sub-radiator is connected to the fifth sub-radiator. Along the second direction, the width of the fourth sub-radiator is smaller than the width of the fifth sub-radiator, and the first direction is perpendicular to the second direction.

4. The antenna according to claim 1, wherein Along the first direction, the length dimension of the antenna body is A, which satisfies the relationship: 50.6 mm ≤ A ≤ 51 mm.

5. The antenna according to claim 1, wherein Along the second direction, the width dimension of the antenna body is B, which satisfies the relationship: 14.2 mm ≤ B ≤ 14.6 mm.

6. The antenna according to claim 1, wherein The length of the connecting line is C, which satisfies the relationship: 32mm≤C≤36mm.

7. The antenna according to claim 1, wherein Also includes: A connecting piece is connected to one end of the connecting line, and the connecting line is suitable for being arranged on the main board through the connecting piece.

8. The antenna according to claim 1, wherein The connecting wire has a first end and a second end relative to each other, the first end is suitable for being electrically connected to the mainboard, and the second end includes: a first connecting portion and a second connecting portion, the first connecting portion and the second connecting portion are connected, and the first connecting portion and the second connecting portion are electrically connected to the first radiator and the second radiator respectively.

9. The antenna according to any one of claims 1 to 8, characterized in that The antenna body further includes: a substrate and adhesive backing. Along the thickness direction of the antenna body, the first radiator and the second radiator are both arranged on the same side of the substrate, and the adhesive backing is arranged on the other side of the substrate.

10. An electronic device, characterized in that: include: A mainboard and an antenna, wherein the antenna comprises the antenna according to any one of claims 1 to 9, and the antenna is electrically connected to the mainboard.

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