CN213584171U - 4G-LTE antenna and mobile communication equipment - Google Patents
4G-LTE antenna and mobile communication equipment Download PDFInfo
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- CN213584171U CN213584171U CN202022824338.2U CN202022824338U CN213584171U CN 213584171 U CN213584171 U CN 213584171U CN 202022824338 U CN202022824338 U CN 202022824338U CN 213584171 U CN213584171 U CN 213584171U
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Abstract
The utility model relates to the technical field of wireless communication, a 4G-LTE antenna and mobile communication equipment is provided, above-mentioned 4G-LTE antenna includes the base plate and locates low frequency radiator and high frequency radiator on the base plate, the low frequency radiator is buckled and is formed and hold the region, the high frequency radiator is arranged in holding the region and with low frequency radiator coupling connection; the low frequency radiator is provided with a first groove part penetrating through the edge of the low frequency radiator, and/or the high frequency radiator is provided with a second groove part penetrating through the edge of the high frequency radiator, and the 4G-LTE antenna is small in size, excellent in overall performance, simple in structure and low in production cost.
Description
Technical Field
The utility model relates to a wireless communication technology field especially provides a 4G-LTE antenna and mobile communication equipment.
Background
With the rapid development of the mobile internet, the 4G communication accelerates the popularization of the mobile internet by virtue of the high data transmission rate and the low use charge thereof, so that the mobile internet enters an unprecedented development stage. The mobile communication equipment can access the internet through the 4G network to realize information exchange and real-time remote control, thereby solving the problems of difficult equipment wiring or high cost in remote areas.
The 4G-LTE antenna is used as an important component of the mobile communication device for transmitting and receiving signals, and the bandwidth thereof needs to cover two frequency bands of 800-.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a 4G-LTE antenna and mobile communication equipment aims at solving current 4G-LTE antenna size great and leads to the poor technical problem of practicality.
In order to achieve the above object, the utility model adopts the following technical scheme: A4G-LTE antenna comprises a substrate, and a low-frequency radiator and a high-frequency radiator which are arranged on the substrate, wherein the low-frequency radiator is bent to form an accommodating area, and the high-frequency radiator is arranged in the accommodating area and is in coupling connection with the low-frequency radiator; the low frequency radiator is provided with a first slot portion penetrating through the edge of the low frequency radiator, and/or the high frequency radiator is provided with a second slot portion penetrating through the edge of the high frequency radiator.
The utility model provides a 4G-LTE antenna has following beneficial effect at least: the high-frequency radiator is arranged in the containing area formed after the low-frequency radiator is bent, the first groove part is arranged on the low-frequency radiator and/or the second groove part is arranged on the high-frequency radiator, the coupling path of the high-frequency radiator and the low-frequency radiator is effectively increased, the working frequency band of the 4G-LTE antenna is widened, the miniaturization design of the 4G-LTE antenna is effectively realized on the premise that the bandwidth of the 4G-LTE antenna can effectively cover two frequency bands of 800MHz-960MHz and 1710MHz-2690MHz, and therefore the practicability of the 4G-LTE antenna is effectively improved.
In one embodiment, the high-frequency radiator has a multi-segment bent structure.
In one embodiment, the high frequency radiator has an S-shaped structure.
In one embodiment, a first high-frequency matching branch is disposed at one end of the high-frequency radiator.
In one embodiment, a second high-frequency matching branch is disposed at an end of the high-frequency radiator away from the first high-frequency matching branch.
In one embodiment, the first slot portion is disposed at an avoiding position of a coupling connection portion between the low-frequency radiator and the high-frequency radiator.
In one embodiment, the second slot portion is disposed at an avoiding position of a coupling connection portion between the high-frequency radiator and the low-frequency radiator.
In one embodiment, a pad is disposed on the substrate, and the pad has a first connection portion connected to the low-frequency radiator and a second connection portion connected to the high-frequency radiator, where the first connection portion is used to connect an outer conductor of a feeder line, and the second connection portion is used to connect an inner core of the feeder line.
In one embodiment, the high-frequency radiator is further provided with a third high-frequency branch, and the first connection portion is connected to the third high-frequency branch.
In order to achieve the above object, the present invention also provides a mobile communication device, which includes the above 4G-LTE antenna.
Since the mobile communication device employs all embodiments of the 4G-LTE antenna, at least all beneficial effects of the embodiments are achieved, and no further description is given here.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is a schematic structural diagram of a 4G-LTE antenna according to an embodiment of the present invention;
fig. 2 is a standing-wave ratio curve diagram of a 4G-LTE antenna provided by an embodiment of the present invention;
FIG. 3 is an efficiency curve diagram of the 4G-LTE antenna provided by the embodiment of the present invention working in the frequency band of 800MHz to 960 MHz;
fig. 4 is an efficiency curve diagram of the 4G-LTE antenna provided by the embodiment of the present invention working in the frequency band of 1710MHz-2690 MHz;
fig. 5 is a radiation pattern of the 4G-LTE antenna provided by the embodiment of the present invention operating at 880 MHz;
fig. 6 is a radiation pattern of the 4G-LTE antenna provided by the embodiment of the present invention working at 1300MHz frequency;
fig. 7 is a radiation pattern of the 4G-LTE antenna provided by the embodiment of the present invention operating at 2200MHz frequency;
fig. 8 is a schematic structural diagram of a 4G-LTE antenna according to another embodiment of the present invention;
fig. 9 is a schematic structural diagram of a 4G-LTE antenna according to still another embodiment of the present invention.
Wherein, in the figures, the respective reference numerals:
10. substrate, 20, low frequency radiator, 21, accommodation area, 22, first slot, 30, high frequency radiator, 31, second slot, 32, first high frequency branch, 33, second high frequency branch, 34, third high frequency branch, 40, pad, 41, first connection portion, 42, second connection portion.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", "third" may explicitly or implicitly include one or more of the features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "connected" and "connecting" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Example one
Referring to fig. 1, a 4G-LTE antenna includes a substrate 10, and a low-frequency radiator 20 and a high-frequency radiator 30 disposed on the substrate 10, where the low-frequency radiator 20 is bent to form an accommodation region 21, and the high-frequency radiator 30 is disposed in the accommodation region 21 and coupled to the low-frequency radiator 20; the low frequency radiator 20 is provided with a first slot 22 that penetrates the edge of the low frequency radiator 20, i.e., only the low frequency radiator 20 is provided with a slot.
The 4G-LTE antenna is characterized in that the high-frequency radiator 30 is arranged in the containing area 21 formed after the low-frequency radiator 20 is bent, the first groove portion 22 is formed in the low-frequency radiator 20, the coupling path of the low-frequency radiator 20 is effectively increased, the working frequency band of the 4G-LTE antenna is widened, the miniaturized design of the 4G-LTE antenna is effectively realized on the premise that the bandwidth of the 4G-LTE antenna can effectively cover two frequency bands of 800MHz-960MHz and 1710MHz-2690MHz, and therefore the practicability of the 4G-LTE antenna is effectively improved.
In this embodiment, referring to fig. 1, the high-frequency radiator 30 has a multi-section bent structure, so as to more effectively ensure that there is a sufficient coupling path between the high-frequency radiator 30 and the low-frequency radiator 20, thereby further reducing the size of the 4G-LTE antenna and realizing a miniaturized design of the 4G-LTE antenna.
Specifically, as shown in fig. 1, the high frequency radiator 30 has an S-shaped structure. Of course, the high frequency radiator 30 may also adopt other multi-stage bending structures, such as G-type structure, L-type structure, etc., and is not limited herein.
In the present embodiment, please refer to fig. 1, one end of the high frequency radiator 30 is provided with a first high frequency matching branch. The working bandwidth range of the 4G-LTE antenna can be finely adjusted by changing the length of the first high-frequency branch 32, so that the 4G-LTE antenna can be suitable for various mobile communication devices or various different application scenes, and the general performance of the 4G-LTE antenna is effectively improved.
Specifically, as shown in fig. 1, the high-frequency radiator 30 is provided with a second high-frequency matching branch at an end thereof away from the first high-frequency matching branch. The working bandwidth range of the 4G-LTE antenna can be finely adjusted by changing the length of the first high-frequency branch 32 and the length of the second high-frequency branch 33, so that the 4G-LTE antenna can be suitable for more types of mobile communication equipment or more different application scenes, and the general performance of the 4G-LTE antenna is more effectively improved.
In this embodiment, please refer to fig. 1, in which the first slot 22 is disposed at an avoiding position of a coupling connection portion between the low-frequency radiator 20 and the high-frequency radiator 30, it can be understood that the first slot 22 cannot penetrate through an edge of the low-frequency radiator 20 relative to the high-frequency radiator 30, and by using the above technical solution, the first slot 22 can avoid interference at the coupling connection portion between the low-frequency radiator 20 and the high-frequency radiator 30, which affects the matching performance of the 4G-LTE antenna, so as to ensure that the 4G-LTE antenna is miniaturized on the premise that the 4G-LTE antenna has good matching performance.
In this embodiment, as shown in fig. 1, a pad 40 is disposed on the substrate 10, the pad 40 has a first connection portion 41 connected to the low-frequency radiator 20 and a second connection portion 42 connected to the high-frequency radiator 30, the first connection portion 41 is used for connecting an outer conductor of a power feed line, and the second connection portion 42 is used for connecting an inner core of the power feed line.
Specifically, as shown in fig. 1, the high-frequency radiator 30 further includes a third high-frequency branch 34, and the first connection portion 41 is connected to the third high-frequency branch 34. The working bandwidth range of the 4G-LTE antenna can be finely adjusted by changing the length of the third high-frequency branch 34, so that the 4G-LTE antenna can be suitable for various mobile communication devices or various application scenes, and the general performance of the 4G-LTE antenna is effectively improved; in addition, since the position of the third high frequency branch 34 is located at the feeding point of the 4G-LTE antenna, the change in the length of the third high frequency branch 34 has a large influence on the high frequency matching of the 4G-LTE antenna, and only the length of the third high frequency branch 34 can be adjusted slightly.
The 4G-LTE antenna adopting the technical scheme has the advantages that the length is 55mm, the width is 23.5mm and the thickness is 0.8mm, so that the overall size of the 4G-LTE antenna is small, and the miniaturization design is effectively realized; in addition, please refer to fig. 2, when the 4G-LTE antenna operates in the frequency band of 800MHz-3000MHz, the standing-wave ratio is always kept below 3; please refer to fig. 2, fig. 3 and fig. 4, in which the standing-wave ratio of the 4G-LTE antenna is less than 3 and the average radiation efficiency is greater than 50% in the 800MHz-960MHz frequency band, and is less than 2 in the 1710MHz-2690MHz frequency band, the average radiation efficiency is above 65%, and the overall radiation efficiency of the two frequency bands is above 62%; please refer to fig. 5, 6 and 7, which show that the 4G-LTE antenna has good omnidirectional performance when working in the patterns of 880MHz, 1300MHz and 2200 MHz; therefore, the 4G-LTE antenna is small in size and excellent in overall performance.
Example two
The present embodiment is different from the first embodiment in that the groove portion of the 4G-LTE antenna is disposed at a different position.
In this embodiment, referring to fig. 8, the low frequency radiator 20 is provided with a first slot 22 penetrating through the edge of the low frequency radiator 20, and the high frequency radiator 30 is provided with a second slot 31 penetrating through the edge of the high frequency radiator 30, that is, slots are provided in both the low frequency radiator 20 and the high frequency radiator 30. By arranging the first slot part 22 on the low-frequency radiator 20 and the second slot part 31 on the high-frequency radiator 30, the coupling paths on the low-frequency radiator 20 and the high-frequency radiator 30 are effectively increased, the working frequency band of the 4G-LTE antenna is widened, the bandwidth of the 4G-LTE antenna can be ensured to effectively cover two frequency bands of 800MHz-960MHz and 1710MHz-2690MHz, and therefore the miniaturization design of the 4G-LTE antenna is achieved, and the practicability of the 4G-LTE antenna is effectively improved.
Specifically, as shown in fig. 8, the first slot portion 22 is provided at a position that is offset from the coupling portion between the low-frequency radiator 20 and the high-frequency radiator 30, and the second slot portion 31 is provided at a position that is offset from the coupling portion between the high-frequency radiator 30 and the low-frequency radiator 20. It can be understood that the first slot portion 22 cannot penetrate through the edge of the low-frequency radiator 20 relative to the high-frequency radiator 30, and the second slot portion 31 cannot penetrate through the edge of the high-frequency radiator 30 relative to the low-frequency radiator 20, by using the above technical solution, it can be avoided that the first slot portion 22 and the second slot portion 31 interfere with the coupling connection between the low-frequency radiator 20 and the high-frequency radiator 30, which affects the matching performance of the 4G-LTE antenna, so as to ensure that the miniaturized design of the 4G-LTE antenna is achieved on the premise that the 4G-LTE antenna has good matching performance.
EXAMPLE III
The present embodiment is different from the first embodiment in that the groove portion of the 4G-LTE antenna is disposed at a different position.
In the present embodiment, as shown in fig. 9, the high frequency radiator 30 is provided with a second slot 31 penetrating through the edge of the high frequency radiator 30, that is, only the high frequency radiator 30 is provided with a slot. By arranging the second slot part 31 on the high-frequency radiator 30, the coupling path of the high-frequency radiator 30 is effectively increased, the working frequency band of the 4G-LTE antenna is widened, the bandwidth of the 4G-LTE antenna can effectively cover two frequency bands of 800MHz-960MHz and 1710MHz-2690MHz, and therefore the miniaturization design of the 4G-LTE antenna is achieved, and the practicability of the 4G-LTE antenna is effectively improved.
Specifically, please refer to fig. 9, in which the second slot 31 is disposed at an avoiding position of a coupling connection portion between the high-frequency radiator 30 and the low-frequency radiator 20, it can be understood that the second slot 31 cannot penetrate through an edge of the high-frequency radiator 30 relative to the low-frequency radiator 20, and by using the above technical solution, the second slot 31 can avoid interference at the coupling connection portion between the low-frequency radiator 20 and the high-frequency radiator 30, which affects the matching performance of the 4G-LTE antenna, so as to ensure that the 4G-LTE antenna is miniaturized on the premise that the 4G-LTE antenna has good matching performance.
A mobile communication device comprises the 4G-LTE antenna.
Since the mobile communication device employs all embodiments of the 4G-LTE antenna, at least all beneficial effects of the embodiments are achieved, and no further description is given here.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A4G-LTE antenna, characterized in that: the 4G-LTE antenna comprises a substrate, and a low-frequency radiator and a high-frequency radiator which are arranged on the substrate, wherein the low-frequency radiator is bent to form an accommodating area, and the high-frequency radiator is arranged in the accommodating area and is in coupling connection with the low-frequency radiator; the low frequency radiator is provided with a first slot portion penetrating through the edge of the low frequency radiator, and/or the high frequency radiator is provided with a second slot portion penetrating through the edge of the high frequency radiator.
2. The 4G-LTE antenna of claim 1, wherein: the high-frequency radiator is of a multi-section bending structure.
3. The 4G-LTE antenna of claim 2, wherein: the high-frequency radiator is of an S-shaped structure.
4. The 4G-LTE antenna of claim 1, wherein: one end of the high-frequency radiator is provided with a first high-frequency matching branch knot.
5. The 4G-LTE antenna of claim 4, wherein: and a second high-frequency matching branch is arranged at one end of the high-frequency radiating body, which is far away from the first high-frequency matching branch.
6. The 4G-LTE antenna of claim 1, wherein: the first groove portion is arranged on an avoiding position of a coupling connection portion of the low-frequency radiator and the high-frequency radiator.
7. The 4G-LTE antenna of claim 1, wherein: the second slot portion is arranged on an avoiding position of a coupling connection portion of the high-frequency radiator and the low-frequency radiator.
8. The 4G-LTE antenna of any of claims 1-7, wherein: the substrate is provided with a pad, the pad is provided with a first connecting part connected with the low-frequency radiating body and a second connecting part connected with the high-frequency radiating body, the first connecting part is used for connecting an outer conductor of a feeder line, and the second connecting part is used for connecting an inner core of the feeder line.
9. The 4G-LTE antenna of claim 8, wherein: the high-frequency radiator is further provided with a third high-frequency branch knot, and the first connecting part is connected to the third high-frequency branch knot.
10. A mobile communication device, characterized by: the mobile communication device comprises a 4G-LTE antenna according to any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022824338.2U CN213584171U (en) | 2020-11-30 | 2020-11-30 | 4G-LTE antenna and mobile communication equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022824338.2U CN213584171U (en) | 2020-11-30 | 2020-11-30 | 4G-LTE antenna and mobile communication equipment |
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| Publication Number | Publication Date |
|---|---|
| CN213584171U true CN213584171U (en) | 2021-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022824338.2U Active CN213584171U (en) | 2020-11-30 | 2020-11-30 | 4G-LTE antenna and mobile communication equipment |
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| CN (1) | CN213584171U (en) |
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