CN103066374A - Gap structure antenna device and terminal unit - Google Patents
Gap structure antenna device and terminal unit Download PDFInfo
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- CN103066374A CN103066374A CN2011103265123A CN201110326512A CN103066374A CN 103066374 A CN103066374 A CN 103066374A CN 2011103265123 A CN2011103265123 A CN 2011103265123A CN 201110326512 A CN201110326512 A CN 201110326512A CN 103066374 A CN103066374 A CN 103066374A
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Abstract
The invention provides a gap structure antenna device and a terminal unit. The gap structure antenna device can be applied to the terminal unit. The gap structure antenna device comprises a first metal component, a second metal component, a first grounding component, a second grounding component, a feed interface and a micro-strip feeder line, wherein a first gap is formed between the first metal component and the second metal component; the feed interface is configured for feeding radio-frequency signals; the micro-strip feeder line is arranged above the first gap and across the first gap; one end of the micro-strip feeder line is suspended in the air, and the other end of the micro-strip feeder line is connected to the feed interface; and the first metal component, the second metal component, the first grounding component and the second grounding component are enclosed to form a closed-loop gap structure which is used as the gap structure antenna device.
Description
Technical field
The embodiment of the invention relates to gap structure antenna assembly and terminal equipment, and more specifically, the embodiment of the invention relates to the gap structure antenna assembly that is applied to terminal equipment and comprises the terminal equipment of respective antenna device.
Background technology
In recent years, for example the various terminal equipments of mobile phone, music player, personal digital assistant (PDA), game machine, portable computer are widely used.Along with terminal equipment is required to do less and less, do thinner and thinner, bring great challenge for the design of terminal equipment, and the antenna of portable set is as the door of communication, the difficulty of its design is along with the user improves constantly and sharply increase for the size of terminal equipment, requirements such as frivolous.Meanwhile, in order to improve terminal equipment to ability anti-drop, the bump equivalent risk, and satisfy for example demand of the appearance design of metal-like and so on, the housing of metal material is widely used in for example terminal equipment of mobile phone and so on.
Yet the application of metal frame is so that the alternative decline of built-in aerial.The antenna of types such as traditional monopole, IFA can be because the adding of metal frame becomes and is difficult to design and realizes.Because the antenna of the types such as monopole, IFA requires to increase the area of electronic equipment, run counter to the requirement of miniaturization.Simultaneously, the adding of metal frame is unfavorable for the radiation efficiency of antenna so that the radiation environment more complex of antenna.And unique selectable antenna type is the antenna of PIFA type.The antenna of PIFA type belongs to resonant aerial, and the quality factor q value is very high, and its radiation is based on the micro-strip paster antenna radiation theory, and has the characteristic of geneogenous narrow bandwidth, and the bandwidth of antenna is directly proportional with the height of antenna.Therefore, the utilization of PIFA antenna requires electronic equipment must have certain height, has contradiction with the designing requirement that reduces electronic equipment thickness.
Summary of the invention
The present invention wishes to propose a kind of gap structure antenna assembly for terminal equipment and corresponding terminal equipment so that may design terminal equipment more frivolous.
Embodiments of the invention provide a kind of gap structure antenna assembly, are applied to terminal equipment, and antenna assembly comprises: the first metal parts; The second metal parts has the first slit between the second metal parts and the first metal parts; The first grounded parts; The second grounded parts; Feeding interface, radiofrequency signal is presented in configuration; Microstrip feed line is arranged on top, the first slit and crosses over the first slit, and an end of microstrip feed line is unsettled, and the other end of microstrip feed line is connected to feeding interface; Wherein, the first metal parts, the second metal parts, the first grounded parts and the second grounded parts surround the closed loop gap structure, with as the gap structure antenna assembly.
Embodiments of the invention also provide a kind of terminal equipment that comprises the gap structure antenna assembly.This antenna assembly comprises: the first metal parts; The second metal parts has the first slit between described the second metal parts and described the first metal parts; The first grounded parts; The second grounded parts; Feeding interface, radiofrequency signal is presented in configuration; Microstrip feed line is arranged on top, described the first slit and crosses over described the first slit, and an end of described microstrip feed line is unsettled, and the other end of described microstrip feed line is connected to described feeding interface; Wherein, described the first metal parts, described the second metal parts, described the first grounded parts and described the second grounded parts surround the closed loop gap structure, with as described gap structure antenna assembly.
Compare with traditional built-in aerial, the gap structure antenna assembly of the embodiment of the invention not only allows the existence of metal outer frame, and can reduce the thickness of metal outer frame, so that provide the ultra thin handset with metal outer frame to become possibility.And because the area that the gap structure antenna assembly takies depends primarily on the width in slit, so the gap structure area occupied is much smaller than the shared area of conventional built-in antenna.
Description of drawings
In order to be illustrated more clearly in the technical scheme of the embodiment of the invention, the below will do to introduce simply to the accompanying drawing of required use in the description of embodiment.Accompanying drawing in the following describes only is exemplary embodiment of the present invention.
Fig. 1 is the demonstrative structure block diagram that gap structure antenna assembly according to an embodiment of the invention is shown.
Fig. 2 shows the circuit diagram of match circuit according to an embodiment of the invention.
Fig. 3 shows the generalized section of gap structure antenna assembly according to an embodiment of the invention.
Fig. 4 shows the according to an embodiment of the invention block diagram of terminal equipment.
Fig. 5 shows the according to an embodiment of the invention generalized section of terminal equipment.
Embodiment
Hereinafter, describe the preferred embodiments of the present invention in detail with reference to accompanying drawing.Note, in this specification and accompanying drawing, have substantially the same step and represent with identical Reference numeral with element, and will be omitted the repetition of explanation of these steps and element.
Fig. 1 shows the according to an embodiment of the invention block diagram of gap structure antenna assembly 100.Gap structure antenna assembly 100 can be applicable to terminal equipment.In following examples of the present invention, the concrete form of terminal equipment includes but not limited to mobile phone, personal digital assistant, tablet computer, game machine, music player etc.Below, with reference to Fig. 1 gap structure antenna assembly according to the embodiment of the invention is described.
As shown in Figure 1, gap structure antenna assembly 100 can be applicable to terminal equipment.Gap structure antenna assembly 100 can comprise the first metal parts 110, the second metal parts 120, the first grounded parts 130, the second grounded parts 140, feeding interface 150 and microstrip feed line 160.
Particularly, has the first slit between the first metal parts 110 and the second metal parts 120.According to an example of the present invention, the material of the first metal parts and the second metal parts can be kirsite or stainless steel.The first metal parts 110, the second metal parts 120, the first grounded parts 130 and the second grounded parts 140 surround the closed loop gap structure, with as the gap structure antenna assembly.For example, the first grounded parts 130 and the second grounded parts 140 can be arranged on the two ends in the first slit, to surround the closed loop gap structure.According to an example of the present invention, can in the closed loop gap structure, add packing material by Shooting Technique, to connect the first metal parts and the second metal parts.Packing material is the insulating material of polyphenylene sulfide (pps) and so on for example.
In addition, according to another example of the present invention, can around the closed loop gap structure, setting have the empty regions of predetermined.Particularly, in empty regions, metal parts is not set.
Can determine distance between the first grounded parts and the second grounded parts according to the low frequency of gap structure antenna assembly design resonance frequency.As mentioned above, the first grounded parts 130 and the second grounded parts 140 can be arranged on the two ends in the first slit, can require needed low-frequency resonant frequency to determine the length in the first slit (that is, the length between the first grounded parts 130 and the second grounded parts 140) according to specific design.More specifically, the length in the first slit can be corresponding with the half-wavelength of gap structure antenna assembly.That is to say, but gap structure antenna assembly resonance in 1/2nd wavelength, thereby its antenna performance is better than traditional quarter-wave built-in aerial.In addition, can determine according to the design bandwidth of gap structure antenna assembly the width in the first slit.
Feeding interface 150 can receive gap structure antenna assembly 100 and/or will be sent to by the radiofrequency signal of its transmission front radio-frequency circuit in the terminal equipment via microstrip feed line 160.Microstrip feed line 160 can be arranged on top, the first slit and cross over the first slit.Particularly, microstrip feed line 160 is crossed over the first slit, and an end of microstrip feed line 160 is unsettled, and the other end is connected to feeding interface.That is to say, the gap structure antenna assembly does not contact with microstrip feed line, the front radio-frequency circuit in the terminal equipment by microstrip feed line to gap structure antenna assembly coupling feed.
According to an example of the present invention, the material of microstrip feed line can be copper (Cu).Preferably, the distance between the first slit and the microstrip feed line 160 can be more than or equal to 1 millimeter.In addition, but between microstrip feed line and the first slit the dividing plate of setting example as making by Merlon and acrylonitrile-butadiene-styrene copolymer and mixture (PC-ABS).
According to an example of the present invention, can be according to the high-frequency design resonance frequency of gap structure antenna assembly, determine microstrip feed line 160 in the first slit projected position and the distance between the first grounded parts 130.
Compare with traditional built-in aerial, not only allow the existence of metal outer frame according to the gap structure antenna assembly of the present embodiment, and can reduce the thickness of metal outer frame, so that provide the ultra-thin terminal equipment with metal outer frame to become possibility.And because the area that the gap structure antenna assembly takies depends primarily on the width in slit, so the gap structure area occupied is much smaller than the shared area of conventional built-in antenna.
In addition, according to another example of the present invention, gap structure antenna assembly 100 also can comprise match circuit, to regulate the resonance frequency of described metal frame antenna.Particularly, as mentioned above, because an end of microstrip feed line 160 is opened a way, therefore can introduce stronger capacity effect.Fig. 2 shows the circuit diagram of match circuit according to an embodiment of the invention.As shown in Figure 2, match circuit 200 comprises coupling device 1-5.Coupling device 1 in the match circuit 200 is generally parallel connection or series inductance, with the electric capacity of compensation open circuit microstrip line introducing, thus the optimal performance of assurance antenna assembly.As shown in Figure 2, match circuit can be connected between the radio-frequency (RF) front-end circuit of feeding interface and terminal equipment.
In addition, according to another example of the present invention, gap structure antenna assembly 100 also can comprise the high-frequency branch antenna, with the high frequency bandwidth of extended antenna device.For example, the high-frequency branch antenna can be arranged on the second slit that is communicated with the first slit in the second metal parts.Replacedly, the high-frequency branch antenna also can be arranged on the second slit that is communicated with the first slit in the first metal parts.In the situation that gap structure antenna assembly 100 comprises the high-frequency branch antenna, the microstrip feed line in the antenna assembly also is arranged on top, the second slit and crosses over the second slit.That is to say, microstrip feed line is crossed over respectively the first slit and the second slit, and the high-frequency branch antenna do not contact with microstrip feed line, the front radio-frequency circuit in the terminal equipment by microstrip feed line to high-frequency branch antenna-coupled feed.
Fig. 3 shows the generalized section of gap structure antenna assembly according to an embodiment of the invention.Below with reference to Fig. 3 gap structure antenna assembly according to an embodiment of the invention is described.In the example depicted in fig. 3, with the metal edge frame take the first metal parts as terminal equipment, the second metal parts is that the metal reinforcing plates that is arranged on terminal equipment inside is that example is described.
As shown in Figure 3, gap structure antenna assembly 300 comprises metal edge frame 310 and the metal reinforcing plates 320 that is arranged on terminal equipment inside.Between every limit of rectangular metal frame 310 and metal reinforcing plates 320, has the slit.Can between rectangular metal frame 310 and metal reinforcing plates 320, add for example insulating material of polyphenylene sulfide and so on by Shooting Technique, to connect rectangular metal frame 310 and metal reinforcing plates 320.
In addition, gap structure antenna assembly 300 also comprises the first grounded parts 330 and the second grounded parts 340.Rectangular metal frame 310, metal reinforcing plates 320, the first grounded parts 330 and the second grounded parts 340 surround the closed loop gap structure.As shown in Figure 3, surround the closed loop gap structure and comprise the first slit 312 between rectangular metal frame 310 and the metal reinforcing plates 320.Can determine distance (that is, the length in the first slit 312) between the first grounded parts 330 and the second grounded parts 340 according to the low frequency of gap structure antenna assembly design resonance frequency.For example, in the example depicted in fig. 3, the first slit 312 can be " U " type structure.
In addition, gap structure antenna assembly 300 also is included in metal reinforcing plates 320 in the second slit 322 of upper formation, with as high frequency slit Branching Antenna, with the high frequency bandwidth of extended antenna device.The second slit 322 is communicated with the first slit 312.
In addition, gap structure antenna assembly 300 also comprises feeding interface 350 and microstrip feed line 360.Microstrip feed line 360 is arranged on the first slit 312 and 322 tops, the second slit, and crosses over the first slit 312 and the second slit 322.One end of the close rectangular metal frame 310 of microstrip feed line 360 is unsettled, and the other end of described microstrip feed line is connected to feeding interface 350.That is to say, the gap structure antenna assembly does not contact with microstrip feed line, the front radio-frequency circuit in the terminal equipment by microstrip feed line to gap structure antenna assembly coupling feed.Preferably, the distance between the first slit 312 and the second slit 322 and the microstrip feed line 360 can be more than or equal to 1 millimeter.In addition, but between microstrip feed line and the first slit the dividing plate of setting example as making by Merlon and acrylonitrile-butadiene-styrene copolymer and mixture (PC-ABS).
Can be according to the high-frequency design resonance frequency of gap structure antenna assembly 300, determine microstrip feed line 360 in the first slit projected position and the distance between the first grounded parts 330.
In addition, can around gap structure antenna assembly 300, setting have the empty regions of predetermined.Particularly, in empty regions, metal parts is not set, to guarantee good radiation environment and to reduce electromagnetic interference.
In the present embodiment, be described as an example of the rectangular metal frame example, but the invention is not restricted to this.In addition, can use and do not have the integrally-built metal frame of having of breakpoint as the frame of terminal equipment.Thereby the terminal equipment antenna that has the metal frame of breakpoint with employing is compared, when having reduced the user's handling breakpoint for the impact of antenna performance.
As mentioned above, antenna assembly can be used for terminal equipment among the above embodiment.Fig. 4 shows the according to an embodiment of the invention block diagram of terminal equipment 400.Below, with reference to Fig. 4 terminal equipment 400 according to the embodiment of the invention is described.
As shown in Figure 5, terminal equipment 400 comprises gap structure antenna assembly 410.Gap structure antenna assembly 410 comprises the first metal parts 412, the second metal parts 414, the first grounded parts 416, the second grounded parts 418, feeding interface 420 and microstrip feed line 422.All parts described in all parts in the antenna assembly 410 and Fig. 1 in the gap structure antenna assembly 100 is similar, and is therefore succinct in order to describe, and no longer specifically describes.
For example, has the first slit between the first metal parts 412 and the second metal parts 414.The first metal parts 412, the second metal parts 414, the first grounded parts 416 and the second grounded parts 418 surround the closed loop gap structure, with as the gap structure antenna assembly.The first grounded parts 416 and the second grounded parts 418 can be arranged on the two ends in the first slit, to surround the closed loop gap structure.According to an example of the present invention, can in the closed loop gap structure, add packing material by Shooting Technique, to connect the first metal parts and the second metal parts.Packing material is the insulating material of polyphenylene sulfide (pps) and so on for example.
Feeding interface 420 can receive gap structure antenna assembly 410 and/or will be sent to by the radiofrequency signal of its transmission front radio-frequency circuit (not shown) in the terminal equipment 400 via microstrip feed line 422.Microstrip feed line 422 can be arranged on top, the first slit and cross over the first slit.Particularly, microstrip feed line 422 is crossed over the first slit, and an end of microstrip feed line 422 is unsettled, and the other end is connected to feeding interface 420.That is to say, the gap structure antenna assembly does not contact with microstrip feed line, and the front radio-frequency circuit in the terminal equipment 400 passes through microstrip feed line 422 to gap structure antenna assembly 410 coupling feeds.
Although comprise that take terminal equipment a gap structure antenna assembly as example is described, the invention is not restricted to this in the present embodiment.For example, terminal equipment comprises a plurality of gap structure antenna assemblies.Particularly, comprise metal edge frame and be arranged in the terminal equipment of metal reinforcing plates of terminal equipment inside, can utilize metal edge frame and the slit that is arranged between the metal reinforcing plates of terminal equipment inside arranges a plurality of gap structure antenna assemblies.
Fig. 5 shows the according to an embodiment of the invention generalized section of terminal equipment.In the example depicted in fig. 5, will be described as an example of cellular mobile phone example.As shown in Figure 5, cellular mobile phone 5000 comprises the first gap structure antenna assembly 5100, the second gap structure antenna assembly 5200 and the 3rd gap structure antenna assembly 5300.
The first gap structure antenna assembly 5100 can be the main antenna of cellular mobile phone 5000.The low frequency operation frequency band of the first gap structure antenna assembly 5100 can be 820-960MHz, and the high-frequency work frequency band of the first gap structure antenna assembly 5100 can be 1710-2170MHz, to cover simultaneously GSM850, GSM900, DCS1800, PCS1900 and five frequency ranges of UMTS.
The first gap structure antenna assembly 5100 can comprise metal edge frame 5110 and be arranged on the metal reinforcing plates 5120 of terminal equipment inside.Between every limit of rectangular metal frame 5110 and metal reinforcing plates 5120, has the slit.Can between rectangular metal frame 5110 and metal reinforcing plates 5120, add for example insulating material of polyphenylene sulfide and so on by Shooting Technique, to connect rectangular metal frame 5110 and metal reinforcing plates 5120.
In addition, the first gap structure antenna assembly 5100 also comprises the first grounded parts 5130 and the second grounded parts 5140.Rectangular metal frame 5110, metal reinforcing plates 5120, the first grounded parts 5130 and the second grounded parts 5140 surround the closed loop gap structure.As shown in Figure 5, surround the closed loop gap structure and comprise the first slit 5112 between rectangular metal frame 5110 and the metal reinforcing plates 5120.Can determine distance (that is, the length in the first slit 5112) between the first grounded parts 5130 and the second grounded parts 5140 according to the low frequency of the first gap structure antenna assembly 5100 design resonance frequency.
In addition, the first gap structure antenna assembly 5100 also is included in metal reinforcing plates 5120 in the second slit 5122 of upper formation, with as high frequency slit Branching Antenna, with the high frequency bandwidth of extended antenna device.The second slit 5122 is communicated with the first slit 5112.
In addition, the first gap structure antenna assembly 5100 also comprises the first feeding interface 5150 and the first microstrip feed line 5160.The first microstrip feed line 5160 is arranged on the first slit 5112 and 5122 tops, the second slit, and crosses over the first slit 5112 and the second slit 5122.One end of the close rectangular metal frame 5110 of the first microstrip feed line 5160 is unsettled, and the other end of the first microstrip feed line 5160 is connected to the first feeding interface 5150.That is to say, the first gap structure antenna assembly 5100 does not contact with the first microstrip feed line 5160, and the front radio-frequency circuit in the terminal equipment 5000 passes through the first microstrip feed line 5160 to the first gap structure antenna assembly 5100 coupling feeds.Preferably, the distance between the first slit 5112 and the second slit 5122 and the first microstrip feed line 5160 can be more than or equal to 1 millimeter.In addition, but at the dividing plate of setting example between the first microstrip feed line and the first slit and between the first microstrip feed line and the second slit as making by Merlon and acrylonitrile-butadiene-styrene copolymer and mixture (PC-ABS).
Can be according to the high-frequency design resonance frequency of gap structure antenna assembly 5100, determine microstrip feed line 5160 in the first slit projected position and the distance between the first grounded parts 5130.
The second gap structure antenna assembly 5200 can be the gps antenna of cellular mobile phone 5000.The working band of the second gap structure antenna assembly 5200 can be 1575MHz.
The second gap structure antenna assembly 5200 can comprise metal edge frame 5110 and be arranged on the metal reinforcing plates 5120 of terminal equipment inside.As implied above, between every limit of rectangular metal frame 5110 and metal reinforcing plates 5120, have the slit.Can between rectangular metal frame 5110 and metal reinforcing plates 5120, add for example insulating material of polyphenylene sulfide and so on by Shooting Technique, to connect rectangular metal frame 5110 and metal reinforcing plates 5120.
In addition, the second gap structure antenna assembly 5200 also comprises the 3rd grounded parts 5230 and the 4th grounded parts 5240.Rectangular metal frame 5110, metal reinforcing plates 5120, the 3rd grounded parts 5230 and the 4th grounded parts 5240 surround the closed loop gap structure.As shown in Figure 5, surround the closed loop gap structure and comprise the 3rd slit 5212 between rectangular metal frame 5110 and the metal reinforcing plates 5120.Can determine distance (that is, the length in the 3rd slit 5212) between the 3rd grounded parts 5230 and the 4th grounded parts 5240 according to the resonance frequency of the second gap structure antenna assembly 5200.
In addition, the second gap structure antenna assembly 5200 also comprises the second feeding interface 5250 and the second microstrip feed line 5260.The second microstrip feed line 5260 is arranged on 5212 tops, the 3rd slit, and crosses over the 3rd slit 5212.One end of the close rectangular metal frame 5110 of the second microstrip feed line 5260 is unsettled, and the other end of the second microstrip feed line 5260 is connected to the second feeding interface 5250.That is to say, the gap structure antenna assembly does not contact with microstrip feed line, the front radio-frequency circuit in the terminal equipment by microstrip feed line to gap structure antenna assembly coupling feed.Preferably, the distance between the 3rd slit 5212 and the second microstrip feed line 5260 can be more than or equal to 1 millimeter.In addition, but between the second microstrip feed line and the 3rd slit the dividing plate of setting example as making by Merlon and acrylonitrile-butadiene-styrene copolymer and mixture (PC-ABS).
Can be according to the design resonance frequency of the second gap structure antenna assembly 5200, determine the second microstrip feed line 5260 in the 3rd slit projected position and the distance between the 3rd grounded parts 5230.
The 3rd gap structure antenna assembly 5300 can be the WIFI antenna of cellular mobile phone 5000.The working band of the 3rd gap structure antenna assembly 5300 can be 2400MHz-2480MHz.
The 3rd gap structure antenna assembly 5300 can comprise metal edge frame 5110 and be arranged on the metal reinforcing plates 5120 of terminal equipment inside.As implied above, between every limit of rectangular metal frame 5110 and metal reinforcing plates 5120, have the slit.Can between rectangular metal frame 5110 and metal reinforcing plates 5120, add for example insulating material of polyphenylene sulfide and so on by Shooting Technique, to connect rectangular metal frame 5110 and metal reinforcing plates 5120.
In addition, the 3rd gap structure antenna assembly 5300 also comprises the 5th grounded parts 5330 and the 6th grounded parts 5340.Rectangular metal frame 5110, metal reinforcing plates 5120, the 5th grounded parts 5330 and the 6th grounded parts 5340 surround the closed loop gap structure.As shown in Figure 5, surround the closed loop gap structure and comprise Fpir Crevices gap 5312 between rectangular metal frame 5110 and the metal reinforcing plates 5120.Can determine distance (that is, the length of Fpir Crevices gap 5312) between the 5th grounded parts 5330 and the 6th grounded parts 5340 according to the resonance frequency of the 3rd gap structure antenna assembly 5300.
In addition, the 3rd gap structure antenna assembly 5300 also comprises the 3rd feeding interface 5350 and the 3rd microstrip feed line 5360.The 3rd microstrip feed line 5360 is arranged on Fpir Crevices gap 5312 tops, and crosses over Fpir Crevices gap 5312.One end of the close rectangular metal frame 5110 of the 3rd microstrip feed line 5360 is unsettled, and the other end of the 3rd microstrip feed line 5360 is connected to the 3rd feeding interface 5350.That is to say, the gap structure antenna assembly does not contact with microstrip feed line, the front radio-frequency circuit in the terminal equipment by microstrip feed line to gap structure antenna assembly coupling feed.Preferably, the distance between Fpir Crevices gap 5312 and the 3rd microstrip feed line 5360 can be more than or equal to 1 millimeter.In addition, but between the 3rd microstrip feed line and Fpir Crevices gap the dividing plate of setting example as making by Merlon and acrylonitrile-butadiene-styrene copolymer and mixture (PC-ABS).
Can be according to the design resonance frequency of the 3rd gap structure antenna assembly 5300, determine the 3rd microstrip feed line 5360 in the Fpir Crevices gap projected position and the distance between the 5th grounded parts 5330.
Compare with the terminal equipment that uses traditional built-in aerial, not only allow the existence of metal outer frame according to the terminal equipment of the present embodiment, and can reduce the thickness of metal outer frame, so that provide the ultra-thin terminal equipment with metal outer frame to become possibility.And because the area that the gap structure antenna assembly takies depends primarily on the width in slit, so the gap structure area occupied is much smaller than the shared area of conventional built-in antenna.Thereby can further reduce the volume of terminal equipment.
In addition, the slit 5400,5500 and 5600 between the first gap structure antenna assembly 5100, the second gap structure antenna assembly 5200 and the 3rd gap structure antenna assembly 5300 can be ground structure.Replacedly, slit 5400,5500 and 5600 can be designed for for example design of the slave antenna of classification antenna and so on.
In addition, as shown in Figure 5, in the terminal equipment according to the present embodiment, the gap structure antenna assembly can be set in the corner of metal edge frame, with the good radiation environment of further assurance and reduce electromagnetic interference.
It should be appreciated by those skilled in the art that can be dependent on design requirement and other factors carries out various modifications, combination, part combination to the present invention and replace, as long as they are in the scope of appended claims and equivalent thereof.
Claims (14)
1. a gap structure antenna assembly is applied to terminal equipment, and described antenna assembly comprises:
The first metal parts;
The second metal parts has the first slit between described the second metal parts and described the first metal parts;
The first grounded parts;
The second grounded parts;
Feeding interface, radiofrequency signal is presented in configuration;
Microstrip feed line is arranged on top, described the first slit and crosses over described the first slit, and an end of described microstrip feed line is unsettled, and the other end of described microstrip feed line is connected to described feeding interface;
Wherein, described the first metal parts, described the second metal parts, described the first grounded parts and described the second grounded parts surround the closed loop gap structure, with as described gap structure antenna assembly.
2. antenna assembly as claimed in claim 1, wherein
Setting has the empty regions of predetermined around described closed loop gap structure,
Wherein, in described empty regions, metal parts is not set.
3. antenna assembly as claimed in claim 1, wherein
Determine distance between described the first grounded parts and described the second grounded parts according to the low frequency of described gap structure antenna assembly design resonance frequency; And
Determine the width in described the first slit according to the design bandwidth of described gap structure antenna assembly.
4. antenna assembly as claimed in claim 1, wherein
According to the high-frequency design resonance frequency of described gap structure antenna assembly, determine described microstrip feed line in described the first slit projected position and the distance between described the first grounded parts.
5. antenna assembly as claimed in claim 1, wherein
Described the first metal parts is the metal edge frame of described terminal equipment;
Described the second metal parts is the metal reinforcing plates that is arranged on described terminal equipment inside;
Has the slit between every limit of described metal edge frame and the described metal reinforcing plates.
6. antenna assembly as claimed in claim 1 also comprises:
The high-frequency branch antenna is to expand the high frequency bandwidth of described antenna assembly.
7. antenna assembly as claimed in claim 6, wherein
Described high-frequency branch antenna is to be arranged on the second slit that is communicated with the first slit in described the second metal parts;
Described microstrip feed line also is arranged on top, described the second slit and crosses over described the second slit.
8. antenna assembly as claimed in claim 1 also comprises:
Match circuit is connected to described feeding interface, to regulate the resonance frequency of described metal frame antenna.
9. antenna assembly as claimed in claim 1, wherein
Has one deck dividing plate between described microstrip feed line and the first slit.
10. antenna assembly as claimed in claim 1, wherein
In described closed loop gap structure, add packing material by Shooting Technique, to connect described the first metal parts and described the second metal parts.
11. a terminal equipment comprises:
The first metal parts;
The second metal parts has the first slit between described the second metal parts and described the first metal parts; And
By the first gap structure antenna assembly of described the first metal parts and the formation of described the second metal parts,
Described the first gap structure antenna assembly also comprises:
The first grounded parts;
The second grounded parts;
The first feeding interface, configuration is presented radiofrequency signal for described the first gap structure antenna assembly;
The first microstrip feed line is arranged on top, described the first slit and crosses over described the first slit, and an end of described the first microstrip feed line is unsettled, and the other end of described the first microstrip feed line is connected to described the first feeding interface;
Wherein, described the first metal parts, described the second metal parts, described the first grounded parts and described the second grounded parts surround the closed loop gap structure, with as described the first gap structure antenna assembly.
12. terminal equipment as claimed in claim 11, wherein
Described the first metal parts is the metal edge frame of described terminal equipment;
Described the second metal parts is the metal reinforcing plates that is arranged on described terminal equipment inside.
13. terminal equipment as claimed in claim 12, wherein
Also have the 3rd slit between described the second metal parts and described the first metal parts,
Described terminal equipment also comprises:
By the second gap structure antenna assembly of described the first metal parts and the formation of described the second metal parts,
Described the second gap structure antenna assembly also comprises:
The 3rd grounded parts;
The 4th grounded parts;
The second feeding interface, configuration is presented radiofrequency signal for described the second gap structure antenna assembly;
The second microstrip feed line is arranged on top, described the 3rd slit and crosses over described the 3rd slit, and an end of described the second microstrip feed line is unsettled, and the other end of described the second microstrip feed line is connected to described the second feeding interface;
Wherein, described the first metal parts, described the second metal parts, described the 3rd grounded parts and described the 4th grounded parts surround the closed loop gap structure, with as described the second gap structure antenna assembly.
14. terminal equipment as claimed in claim 13, wherein
Also have the Fpir Crevices gap between described the second metal parts and described the first metal parts,
Described terminal equipment also comprises:
By the 3rd gap structure antenna assembly of described the first metal parts and the formation of described the second metal parts,
Described the 3rd gap structure antenna assembly also comprises:
The 5th grounded parts;
The 6th grounded parts;
The 3rd feeding interface, configuration is presented radiofrequency signal for described the 3rd gap structure antenna assembly;
The 3rd microstrip feed line is arranged on described Fpir Crevices gap top and crosses over described Fpir Crevices gap, and an end of described the 3rd microstrip feed line is unsettled, and the other end of described the 3rd microstrip feed line is connected to described the 3rd feeding interface;
Wherein, described the first metal parts, described the second metal parts, described the 5th grounded parts and described the 6th grounded parts surround the closed loop gap structure, with as described the 3rd gap structure antenna assembly.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110326512.3A CN103066374B (en) | 2011-10-24 | 2011-10-24 | Gap structure antenna device and terminal unit |
| DE102012109565A DE102012109565A1 (en) | 2011-10-09 | 2012-10-09 | Terminal equipment |
| US13/647,602 US9112271B2 (en) | 2011-10-09 | 2012-10-09 | Terminal device |
| US14/791,829 US9419328B2 (en) | 2011-10-09 | 2015-07-06 | Terminal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110326512.3A CN103066374B (en) | 2011-10-24 | 2011-10-24 | Gap structure antenna device and terminal unit |
Publications (2)
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| CN108736133A (en) * | 2018-07-13 | 2018-11-02 | Oppo广东移动通信有限公司 | Antenna module and electronic device |
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