CN108448240B - LTE antenna with parasitic unit and intelligent watch - Google Patents
LTE antenna with parasitic unit and intelligent watch Download PDFInfo
- Publication number
- CN108448240B CN108448240B CN201810175991.5A CN201810175991A CN108448240B CN 108448240 B CN108448240 B CN 108448240B CN 201810175991 A CN201810175991 A CN 201810175991A CN 108448240 B CN108448240 B CN 108448240B
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- 230000003071 parasitic effect Effects 0.000 title claims abstract description 54
- 230000005855 radiation Effects 0.000 claims abstract description 14
- 238000005452 bending Methods 0.000 claims description 37
- 230000007704 transition Effects 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 13
- 238000004891 communication Methods 0.000 abstract description 12
- 238000013461 design Methods 0.000 abstract description 9
- 238000010586 diagram Methods 0.000 description 8
- 239000000243 solution Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000002923 metal particle Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
-
- G—PHYSICS
- G04—HOROLOGY
- G04R—RADIO-CONTROLLED TIME-PIECES
- G04R60/00—Constructional details
- G04R60/06—Antennas attached to or integrated in clock or watch bodies
- G04R60/08—Antennas attached to or integrated in clock or watch bodies inside bezels
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/20—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements characterised by the operating wavebands
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
Abstract
The invention discloses an LTE antenna with a parasitic unit and an intelligent watch, wherein the LTE antenna with the parasitic unit is applied to intelligent wearing equipment and comprises the following components: a first radiating element; a second radiation unit; a third radiating element; and a parasitic element coupled to the third radiating element. The LTE antenna with the parasitic unit is newly designed for the pattern layout of the antenna, and is coupled through the parasitic unit, so that the antenna meets the frequency band performance requirements of the full-network communication antenna with the frequency of 824-960 Mhz and the frequency of 1710-2690 Mhz 4G; the design is suitable for intelligent wearing equipment, meets the communication requirement of 4G under the condition of reducing antenna layout as far as possible, effectively utilizes the narrow space in the intelligent wearing equipment, and has strong practicability and market popularization value.
Description
Technical Field
The invention relates to the technical field of wireless communication, in particular to an LTE antenna with a parasitic unit and an intelligent watch.
Background
The intelligent wearing equipment is a generic name for intelligently designing daily wearing and developing wearable equipment by applying a wearing technology, such as watches, bracelets, glasses, clothes and the like. Through these intelligent wearing equipment, people can be better the perception outside with self information, can more efficient processing information under the assistance of computer, network even other people, can realize more seamless exchange. The most widely used smart watches are on the market.
The intelligent wearable antenna adopts FPC+coaxial line, shell fragment antenna and LDS antenna at present, and because intelligent wrist-watch space is limited, LDS antenna designs on complete machine one-level outward appearance face mostly. The LDS antenna is designed on the first-level appearance surface, so that the antenna is complex in process, high in cost, poor in electrical performance consistency and high in reject ratio.
In view of this, there is a need for further improvements to existing LTE antennas.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: the LDS antenna is mostly designed on the primary appearance surface of the whole machine, so that the LDS antenna has the advantages of complex process, higher cost, poor consistency of electrical performance and higher reject ratio.
In order to achieve the above purpose, the invention adopts a technical scheme that: the utility model provides a take LTE antenna of parasitic element is applied to intelligent wearing equipment, take LTE antenna of parasitic element includes:
the antenna comprises a first radiating unit, wherein the first radiating unit comprises a first radiating unit main body, a first transition part and a second transition part are respectively arranged at two ends of the first radiating unit main body, the first radiating unit main body is a strip-shaped sheet body, an antenna signal feed and an antenna grounding feed are further arranged on the first radiating unit, and a Loop groove is formed between the antenna signal feed and the antenna grounding feed;
the second radiation unit comprises a bending part, a first extension part and a second extension part, wherein the bending part forms a gap, and the second radiation unit is connected with the first transition part of the first radiation unit through the first extension part;
one end of the third radiating unit is provided with a connecting part, and the third radiating unit is connected with the second transition part of the first radiating unit through the connecting part;
the parasitic unit is a straight strip-shaped sheet body, is arranged on one side of the Loop groove of the first radiating unit in parallel and is coupled with the third radiating unit, and the parasitic unit is further provided with a parasitic unit grounding feed.
Wherein, the overall shape of kink is the arc slice and includes:
the first bending section is a straight strip-shaped sheet body;
the second bending section is a straight strip-shaped sheet body and is vertically connected with the third bending section at the tail end of the first bending section;
the third bending section is a straight strip-shaped sheet body and is vertically connected with the tail end of the second bending section, and the third bending section is parallel to the first bending section.
Wherein, the gap length of kink is: 4.5mm, width is: 1.2mm.
The length of the Loop groove is as follows: 4.0mm.
The third radiating unit is a strip-shaped sheet body, and the length of the third radiating unit is as follows: 4.5mm.
Wherein, the length of second extension is: 5.4mm.
In order to achieve the above purpose, another technical scheme adopted by the invention is as follows: provided is a smart watch, the smart watch further comprising:
the LTE antenna with the parasitic unit is arranged on the side face of the middle frame of the intelligent watch.
The LTE antenna with the parasitic unit is formed on the side face of the middle frame of the intelligent watch through an LDS technology.
The intelligent watch comprises a first radiating unit main body, a second radiating unit and a third radiating unit, wherein the first radiating unit main body, the second radiating unit and the third radiating unit are formed on the outer side face of the middle frame of the intelligent watch through an LDS (laser direct structuring) process, and antenna signal feed and antenna grounding feed in the first radiating unit are formed on the inner side face of the middle frame of the intelligent watch through an LDS process and are connected with the first radiating unit main body through holes of the middle frame of the intelligent watch.
The parasitic unit is formed on the inner side surface of the middle frame of the intelligent watch through an LDS technology.
The LTE antenna with the parasitic unit is newly designed for the pattern layout of the antenna, and is coupled through the parasitic unit, so that the antenna meets the frequency band performance requirement of the full-network communication antenna with the frequency of 824-960 Mhz and the frequency of 1710-2690 Mhz 4G; the design is suitable for intelligent wearing equipment, meets the communication requirement of 4G under the condition of reducing antenna layout as far as possible, effectively utilizes the narrow space in the intelligent wearing equipment, and has strong practicability and market popularization value.
Above-mentioned intelligent wrist-watch can satisfy 4G full network and lead to antenna frequency channel performance demand through the LTE antenna of above-mentioned area parasitic unit to utilized the structure of wrist-watch center in the intelligent wrist-watch effectively, adopted hidden LDS antenna, the side feeds in antenna signal, avoided one-level outward appearance face design, the effectual complete machine space that has utilized has realized the wrist-watch full network and has led to the work frequency channel, all has great improvement in the aspect of product cost, production technology and electrical property.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
Fig. 1 is an overall structure diagram of an LTE antenna with a parasitic element according to an embodiment of the present invention;
fig. 2 is an overall structure diagram of another view of an LTE antenna with parasitic elements according to an embodiment of the present invention;
fig. 3 is a development block diagram of an LTE antenna with a parasitic element according to an embodiment of the present invention;
FIG. 4 is a diagram illustrating the outside configuration of a middle frame of a wristwatch according to an embodiment of the present invention;
FIG. 5 is a diagram illustrating the inside construction of a middle frame of a wristwatch according to an embodiment of the present invention;
FIG. 6 is a diagram of the outside of the middle frame of the other side of the smart watch according to one embodiment of the present invention;
FIG. 7 is a diagram of the outside of the middle frame of the other side of the smart watch according to one embodiment of the present invention;
fig. 8 is a VSWR free space test chart of an LTE antenna with parasitic elements according to an embodiment of the invention;
fig. 9 is a RL free space test chart of an LTE antenna with parasitic element according to an embodiment of the invention;
fig. 10 is a schematic diagram of the overall structure of a smart watch according to an embodiment of the present invention.
Reference numerals: 10-first radiating element body, 11-first transition, 12-second transition, 14-Loop slot, 210-first bend, 211-second bend, 212-third bend, 22-first extension, 23-second extension, 24-slot, 30-third radiating element, 31-connection, 40-antenna signal feed, 50-antenna ground feed, 60-parasitic element ground feed, and 61-parasitic element.
The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
Referring to fig. 1 to 3, in an embodiment of the present invention, an LTE antenna with a parasitic element is provided, which is applied to an intelligent wearable device, and the LTE antenna with a parasitic element includes:
the first radiating element comprises a first radiating element main body 10, a first transition part 11 and a second transition part 12 are respectively arranged at two ends of the first radiating element main body 10, the first radiating element main body 10 is a strip-shaped sheet body, an antenna signal feed 40 and an antenna grounding feed 50 are also arranged on the first radiating element, and a Loop groove 14 is formed between the antenna signal feed 40 and the antenna grounding feed 50;
the second radiation unit comprises a bending part, a first extension part 22 and a second extension part 23, wherein the bending part forms a gap 24, and the second radiation unit is connected with the first transition part 11 of the first radiation unit through the first extension part 22;
a connecting part 31 is arranged at one end of the third radiating element 30, and the third radiating element 30 is connected with the second transition part 12 of the first radiating element through the connecting part 31;
the parasitic element 61 is a straight strip-shaped sheet, is disposed in parallel on one side of the Loop slot 14 of the first radiating element, and is coupled to the third radiating element 30, and the parasitic element 61 is further provided with a parasitic element ground feed 60.
As a specific embodiment, referring to fig. 1-2, the LTE antenna with the parasitic element in this embodiment is integrally formed into a bent circular arc shape, and the LTE antenna is narrow and slender, and is particularly suitable for use in a smart wearable device, where the smart wearable device includes: because the volume ratio of intelligent wearing equipment is little, so this design of LTE antenna can be applied to the center of intelligent wearing equipment junction in, can utilize the space in the intelligent wearing equipment as far as to satisfy the communication demand of 4G full network and lead to.
Specifically, the first radiating element body 10 is a resonant radiating section of 2300 to 2400M, the first radiating element body 10 is provided with two circular through holes, an antenna signal feed 40 and an antenna ground feed 50 are led out from the through holes, and a Loop slot is provided between the antenna signal feed 40 and the antenna ground feed 50, the length of which affects the high-low frequency bandwidth, wherein the cross section of the Loop slot is like a funnel.
In one embodiment, the Loop slot 14 has a length of: 4.0mm.
The two ends of the first radiating element main body 10 are respectively provided with transition parts with gradually narrowed widths, and the transition parts are respectively in transition connection with the second radiating element and the third radiating element.
The second radiating element is an antenna low-frequency radiating element, the second radiating element comprises a bending part, a first extending part 22 and a second extending part 23, the bending part forms a slot 24, the slot 24 is a 824-960M antenna slot, the width of the slot affects the bandwidth of the antenna, and the length affects the low-frequency working frequency of the antenna.
In one embodiment, the length of the slit 24 of the bending portion is: 4.5mm, width is: 1.2mm.
The second extension part 23 is a 824-960M frequency band radiation end, and the length of the second extension part influences the low-frequency working frequency of the antenna; the second radiating element is connected to the first transition 11 of the first radiating element by a first extension 22.
In a specific embodiment, the length of the second extension 23 is: 5.4mm.
In a specific embodiment, the overall shape of the bending portion is an arc-shaped sheet, including:
a first bending section 210, wherein the first bending section 210 is a straight strip-shaped sheet;
the second bending section 211, wherein the second bending section 211 is a straight strip-shaped sheet and is vertically connected with the third bending section at the tail end of the first bending section 210;
the third bending section 212 is a straight strip-shaped sheet, and is perpendicularly connected to the end of the second bending section 211 and is parallel to the first bending section 210.
The first bending section 210, the second bending section 211, and the third bending section 212 form a low-frequency complete radiation pattern together with the first radiating element body 10.
A third radiating element 30, wherein a connecting part 31 is arranged at one end of the third radiating element 30, and the third radiating element 30 is connected with the second transition part 12 of the first radiating element through the connecting part 31; the third radiating element 30 is a 1710-1990 band radiating segment, the length of which affects the operating frequency of the antenna in this band.
In one embodiment, the third radiating element 30 is a strip-shaped sheet, and the length of the third radiating element 30 is as follows: 4.5mm.
The parasitic element 61 is a straight strip-shaped sheet, is disposed in parallel on one side of the Loop slot 14 of the first radiating element, and is coupled to the third radiating element 30, and the parasitic element 61 is further provided with a parasitic element ground feed 60. The parasitic element 61 is coupled to the third radiating element 30 affecting the 2.0G-2.7G antenna bandwidth and efficiency.
Referring to fig. 8 and 9, the VSWR and RL test patterns of the LTE antenna with the parasitic element based on the structural design of the present patent show that the antenna can cover 824-960 MHz at low frequency and 1710-2690 MHz at high frequency, so as to completely meet the current requirements of 2G, 3G and 4G antenna communication.
In summary, the LTE antenna with the parasitic element in this embodiment performs a new design on the layout of the antenna pattern, and is coupled by the parasitic element, so that the LTE antenna meets the frequency band performance requirements of the full-network communication antenna with low frequency 824-960 Mhz and high frequency 1710-2690 Mhz 4 g; the design is suitable for intelligent wearing equipment, meets the communication requirement of 4G under the condition of reducing antenna layout as far as possible, effectively utilizes the narrow space in the intelligent wearing equipment, and has strong practicability and market popularization value.
Referring to fig. 4-7, and fig. 10 in this embodiment, there is provided a smart watch further comprising:
the above LTE antenna with a parasitic element, which is disposed on the side of the middle frame of the smart watch, and the specific LTE antenna embodiment with a parasitic element is described in the above LTE antenna embodiment with a parasitic element.
In a specific embodiment, the LTE antenna with the parasitic element is formed on the side surface of the middle frame of the smart watch through an LDS process. The shell is formed by injection molding of plastic special for LDS, metal particles in the antenna area of the shell are activated by laser, and then copper and nickel are plated in the antenna area.
In a specific embodiment, the first radiating element body 10, the second radiating element and the third radiating element 30 are formed on the outer side surface of the middle frame of the smart watch through an LDS process, and the antenna signal feed 40 and the antenna ground feed 50 in the first radiating element are formed on the inner side surface of the middle frame of the smart watch through an LDS process and are connected with the first radiating element body 10 through the through holes of the middle frame of the smart watch. In addition, in order to achieve more excellent communication effect, the diversity antenna and the GWB antenna may be formed on the side of the middle frame through an LDS process on the other side of the middle frame of the smart watch.
In a specific embodiment, the parasitic element 61 is formed on the inner side of the middle frame of the smart watch by an LDS process.
In summary, the intelligent watch in this embodiment can satisfy the performance requirement of 4G full-network communication antenna frequency band through the LTE antenna with the parasitic unit, and effectively utilize the structure of the watch middle frame in the intelligent watch, adopts the hidden LDS antenna, and the side feeds in antenna signals, avoids the design of the primary appearance surface, effectively utilizes the whole space, realizes the full-network communication working frequency band of the watch, and has great improvement in the aspects of product cost, production process and electrical performance.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structural changes made by the description of the present invention and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the invention.
Claims (9)
1. The utility model provides a take LTE antenna of parasitic element, is applied to intelligent wearing equipment, its characterized in that, take LTE antenna of parasitic element includes:
the antenna comprises a first radiating unit, wherein the first radiating unit comprises a first radiating unit main body, a first transition part and a second transition part are respectively arranged at two ends of the first radiating unit main body, the first radiating unit main body is a strip-shaped sheet body, an antenna signal feed and an antenna grounding feed are further arranged on the first radiating unit, and a Loop groove is formed between the antenna signal feed and the antenna grounding feed;
the second radiation unit comprises a bending part, a first extension part and a second extension part, wherein the bending part forms a gap, and the second radiation unit is connected with the first transition part of the first radiation unit through the first extension part;
one end of the third radiating unit is provided with a connecting part, and the third radiating unit is connected with the second transition part of the first radiating unit through the connecting part;
the parasitic unit is a straight strip-shaped sheet body, is arranged on one side of the Loop groove of the first radiation unit in parallel, is coupled with the third radiation unit, and is also provided with a parasitic unit grounding feed;
the whole shape of the bending part is arc-shaped sheet-shaped and comprises:
the first bending section is arc-shaped sheet-shaped and is a straight strip-shaped sheet body when unfolded;
the second bending section is a straight strip-shaped sheet body and is vertically connected with the tail end of the first bending section;
the third bending section is arc-shaped sheet, is a straight strip-shaped sheet body when being unfolded, and is vertically connected with the tail end of the second bending section and is arranged in parallel with the first bending section.
2. The LTE antenna with parasitic element of claim 1 wherein the slot length of the meander is: 4.5mm, width is: 1.2mm.
3. The LTE antenna with parasitic element of claim 2, wherein the Loop slot has a length of: 4.0mm.
4. The LTE antenna with parasitic element of claim 3, wherein the third radiating element is a strip-shaped sheet, and the length of the third radiating element is: 4.5mm.
5. The LTE antenna with parasitic element of claim 4 wherein the length of the second extension is: 5.4mm.
6. A smart watch, the smart watch further comprising:
the LTE antenna with parasitic element of any one of claims 1-5 disposed on a side of the bezel of the smart watch.
7. The smart watch of claim 6, wherein the LTE antenna with parasitic element is molded to the side of the bezel of the smart watch by an LDS process.
8. The smart watch of claim 7, wherein the first radiating element body, the second radiating element and the third radiating element are formed on an outer side surface of the smart watch middle frame through an LDS process, and the antenna signal feed and the antenna ground feed in the first radiating element are formed on an inner side surface of the smart watch middle frame through the LDS process and are connected with the first radiating element body through a through hole of the smart watch middle frame.
9. The smart watch of claim 8, wherein the parasitic element is formed on an inner side of the bezel of the smart watch by an LDS process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810175991.5A CN108448240B (en) | 2018-03-02 | 2018-03-02 | LTE antenna with parasitic unit and intelligent watch |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810175991.5A CN108448240B (en) | 2018-03-02 | 2018-03-02 | LTE antenna with parasitic unit and intelligent watch |
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| CN108448240A CN108448240A (en) | 2018-08-24 |
| CN108448240B true CN108448240B (en) | 2024-03-29 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109273844B (en) * | 2018-09-30 | 2021-04-20 | 深圳市沃特沃德股份有限公司 | GSM antenna assembly and electronic equipment |
| CN110504529A (en) * | 2019-08-27 | 2019-11-26 | 深圳市天威讯无线技术有限公司 | A kind of antenna assembly of band LDS |
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| CN108448240A (en) | 2018-08-24 |
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