CN103066374B - Gap structure antenna device and terminal unit - Google Patents

Gap structure antenna device and terminal unit Download PDF

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Publication number
CN103066374B
CN103066374B CN201110326512.3A CN201110326512A CN103066374B CN 103066374 B CN103066374 B CN 103066374B CN 201110326512 A CN201110326512 A CN 201110326512A CN 103066374 B CN103066374 B CN 103066374B
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China
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described
gap
antenna device
parts
gap structure
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CN201110326512.3A
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Chinese (zh)
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CN103066374A (en
Inventor
陈康康
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联想(北京)有限公司
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Priority to CN201110326512.3A priority Critical patent/CN103066374B/en
Priority claimed from US13/647,602 external-priority patent/US9112271B2/en
Publication of CN103066374A publication Critical patent/CN103066374A/en
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Publication of CN103066374B publication Critical patent/CN103066374B/en

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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

Gap structure antenna device and terminal equipment

Technical field

The embodiment of the present invention relates to gap structure antenna device and terminal equipment, and more specifically, the embodiment of the present invention relates to the gap structure antenna device being applied to terminal equipment and the terminal equipment comprising respective antenna device.

Background technology

In recent years, such as 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 to the design of terminal equipment, and the antenna of portable set is as the door of communication, difficulty of its design along with user for terminal equipment size, frivolous etc. require to improve constantly and sharply increase.Meanwhile, in order to improve terminal equipment to ability that is anti-drop, that clash into equivalent risk, and meet the demand of the appearance design of such as metal-like and so on, the housing of metal material is widely used in the terminal equipment of such as mobile phone and so on.

But the application of metal frame makes the alternative of built-in aerial decline.The antenna of the types such as such as traditional monopole, IFA can because the adding to become and be difficult to design and implimentation of metal frame.Antenna requirement due to the type such as monopole, IFA increases the area of electronic equipment, has run counter to miniaturized requirement.Meanwhile, adding of metal frame makes the radiation environment of antenna become more complicated, is unfavorable for the radiation efficiency of antenna.And unique selectable antenna type is the antenna of PIFA type.The antenna of PIFA type belongs to resonant aerial, and quality factor q value is very high, and its radiation is based on micro-strip paster antenna radiation theory, and has the characteristic of geneogenous narrow bandwidth, and the bandwidth of antenna is directly proportional to the height of antenna.Therefore, the utilization of PIFA antenna requires that electronic equipment must have certain height, there is contradiction with the designing requirement reducing electronic equipment thickness.

Summary of the invention

The present invention wishes that a kind of gap structure antenna device for terminal equipment of proposition and corresponding terminal equipment are to make to design more frivolous by terminal equipment.

The embodiment provides a kind of gap structure antenna device, be applied to terminal equipment, antenna assembly comprises: the first metal parts; Second metal parts, has the first gap between the second metal parts and the first metal parts; First grounded parts; Second grounded parts; Feeding interface, configuration is fed to radiofrequency signal; Microstrip feed line, being arranged on above the first gap and crossing over the first gap, one 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 closed loop gap structure, using as gap structure antenna device.

Embodiments of the invention additionally provide a kind of terminal equipment comprising gap structure antenna device.This antenna assembly comprises: the first metal parts; Second metal parts, has the first gap between described second metal parts and described first metal parts; First grounded parts; Second grounded parts; Feeding interface, configuration is fed to radiofrequency signal; Microstrip feed line, being arranged on above described first gap and crossing over described first gap, one 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 first metal parts, described second metal parts, described first grounded parts and described second grounded parts surround closed loop gap structure, using as described gap structure antenna device.

Compared with traditional built-in aerial, the gap structure antenna device of the embodiment of the present invention not only allows the existence of metal outer frame, and can reduce the thickness of metal outer frame, makes to provide the ultra thin handset with metal outer frame to become possibility.And the area taken due to gap structure antenna device depends primarily on the width in gap, so gap structure area occupied is much smaller than the area shared by conventional built-in antenna.

Accompanying drawing explanation

In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, be briefly described to the accompanying drawing used required in the description of embodiment below.Accompanying drawing in the following describes is only exemplary embodiment of the present invention.

Fig. 1 is the exemplary block diagram that gap structure antenna device 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 device according to an embodiment of the invention.

Fig. 4 shows the block diagram of terminal equipment according to an embodiment of the invention.

Fig. 5 shows the generalized section of terminal equipment according to an embodiment of the invention.

Embodiment

Hereinafter, the preferred embodiments of the present invention are described in detail with reference to accompanying drawing.Note, in the present description and drawings, there is substantially the same step and represent with the identical Reference numeral of element, and will be omitted the repetition of explanation of these steps and element.

Fig. 1 shows the block diagram of gap structure antenna device 100 according to an embodiment of the invention.Gap structure antenna device 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, the gap structure antenna device according to the embodiment of the present invention is described.

As shown in Figure 1, gap structure antenna device 100 can be applicable to terminal equipment.Gap structure antenna device 100 can comprise the first metal parts 110, second metal parts 120, first grounded parts 130, second grounded parts 140, feeding interface 150 and microstrip feed line 160.

Particularly, between the first metal parts 110 and the second metal parts 120, there is the first gap.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.First metal parts 110, second metal parts 120, first grounded parts 130 and the second grounded parts 140 surround closed loop gap structure, using as gap structure antenna device.Such as, the first grounded parts 130 and the second grounded parts 140 can be arranged on the two ends in the first gap, to surround closed loop gap structure.According to an example of the present invention, in 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 such as polyphenylene sulfide (pps) and so on.

In addition, according to another example of the present invention, can the empty regions with predetermined be set around closed loop gap structure.Particularly, in empty regions, metal parts is not set.

The distance can determining between the first grounded parts and the second grounded parts according to the low frequency designs resonance frequency of gap structure antenna device.As mentioned above, first grounded parts 130 and the second grounded parts 140 can be arranged on the two ends in the first gap, low-frequency resonant frequency required for can requiring according to specific design determines the length (that is, the length between the first grounded parts 130 and the second grounded parts 140) in the first gap.More specifically, the length in the first gap can be corresponding with the half-wavelength of gap structure antenna device.That is, gap structure antenna device can resonance in 1/2nd wavelength, thus its antenna performance is better than traditional quarter-wave built-in aerial.In addition, the width in the first gap can be determined according to the design bandwidth of gap structure antenna device.

The radiofrequency signal that gap structure antenna device 100 can be received via microstrip feed line 160 and/or will be sent by it by feeding interface 150 be sent to the front radio-frequency circuit in terminal equipment.Microstrip feed line 160 can be arranged on above the first gap and to cross over the first gap.Particularly, microstrip feed line 160 crosses over the first gap, and one end of microstrip feed line 160 is unsettled, and the other end is connected to feeding interface.That is, gap structure antenna device does not contact with microstrip feed line, the front radio-frequency circuit in terminal equipment by microstrip feed line to gap structure antenna device couple 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 gap and microstrip feed line 160 can be more than or equal to 1 millimeter.In addition, between microstrip feed line and the first gap can setting example as the dividing plate made by Merlon and acrylonitrile-butadiene-styrene copolymer and mixture (PC-ABS).

According to an example of the present invention, can according to the high-frequency design resonance frequency of gap structure antenna device, determine the distance between the projected position of microstrip feed line 160 in the first gap and the first grounded parts 130.

Compared with traditional built-in aerial, not only allow the existence of metal outer frame according to the gap structure antenna device of the present embodiment, and the thickness of metal outer frame can be reduced, make to provide the ultra-thin terminal equipment with metal outer frame to become possibility.And the area taken due to gap structure antenna device depends primarily on the width in gap, so gap structure area occupied is much smaller than the area shared by conventional built-in antenna.

In addition, according to another example of the present invention, gap structure antenna device 100 also can comprise match circuit, to regulate the resonance frequency of described metal frame antenna.Particularly, as mentioned above, the one end due to microstrip feed line 160 is open circuit, 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 match circuit 200 is generally in parallel or series inductance, to compensate the electric capacity that open circuit microstrip line is introduced, thus ensures the optimal performance of antenna assembly.As shown in Figure 2, match circuit can be connected between feeding interface and the radio-frequency (RF) front-end circuit of terminal equipment.

In addition, according to another example of the present invention, gap structure antenna device 100 also can comprise high-frequency branch antenna, with the high frequency bandwidth of extended antenna device.Such as, high-frequency branch antenna can be arranged on the second gap with the first gap area in the second metal parts.Alternatively, high-frequency branch antenna also can be arranged on the second gap with the first gap area in the first metal parts.When gap structure antenna device 100 comprises high-frequency branch antenna, the microstrip feed line in antenna assembly to be also arranged on above the second gap and to cross over the second gap.That is, microstrip feed line crosses over the first gap and the second gap respectively, and high-frequency branch antenna does not contact with microstrip feed line, the front radio-frequency circuit in terminal equipment by microstrip feed line to high-frequency branch antenna-coupled feed.

Fig. 3 shows the generalized section of gap structure antenna device according to an embodiment of the invention.Below with reference to Fig. 3, gap structure antenna device according to an embodiment of the invention is described.In the example depicted in fig. 3, by the metal edge frame being terminal equipment with the first metal parts, the second metal parts is the metal reinforcing plates being arranged on terminal equipment inside is that example is described.

As shown in Figure 3, gap structure antenna device 300 comprises metal edge frame 310 and is arranged on the metal reinforcing plates 320 of terminal equipment inside.Between every bar limit and metal reinforcing plates 320 of rectangular metal frame 310, there is gap.Between rectangular metal frame 310 and metal reinforcing plates 320, the insulating material of such as polyphenylene sulfide and so on is added, to connect rectangular metal frame 310 and metal reinforcing plates 320 by Shooting Technique.

In addition, gap structure antenna device 300 also comprises the first grounded parts 330 and the second grounded parts 340.Rectangular metal frame 310, metal reinforcing plates 320, first grounded parts 330 and the second grounded parts 340 surround closed loop gap structure.As shown in Figure 3, surround closed loop gap structure and comprise the first gap 312 between rectangular metal frame 310 and metal reinforcing plates 320.The distance (that is, the length in the first gap 312) can determining between the first grounded parts 330 and the second grounded parts 340 according to the low frequency designs resonance frequency of gap structure antenna device.Such as, in the example depicted in fig. 3, the first gap 312 can be " U " type structure.

In addition, gap structure antenna device 300 is also included in second gap 322 of metal reinforcing plates 320 in upper formation, using as high frequency gap Branching Antenna, with the high frequency bandwidth of extended antenna device.Second gap 322 is communicated with the first gap 312.

In addition, gap structure antenna device 300 also comprises feeding interface 350 and microstrip feed line 360.Microstrip feed line 360 is arranged on above the first gap 312 and the second gap 322, and crosses over the first gap 312 and the second gap 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, gap structure antenna device does not contact with microstrip feed line, the front radio-frequency circuit in terminal equipment by microstrip feed line to gap structure antenna device couple feed.Preferably, the first gap 312 and the distance between the second gap 322 and microstrip feed line 360 can be more than or equal to 1 millimeter.In addition, between microstrip feed line and the first gap can setting example as the dividing plate made by Merlon and acrylonitrile-butadiene-styrene copolymer and mixture (PC-ABS).

Can according to the high-frequency design resonance frequency of gap structure antenna device 300, determine the distance between the projected position of microstrip feed line 360 in the first gap and the first grounded parts 330.

In addition, can the empty regions with predetermined be set around gap structure antenna device 300.Particularly, in empty regions, metal parts is not set, to ensure good radiation environment and to reduce electromagnetic interference.

In the present embodiment, be described for rectangular metal frame, but the present invention is not limited thereto.In addition, can use there is no a breakpoint there is the frame of integrally-built metal frame as terminal equipment.Thus with adopt there is the metal frame of breakpoint terminal equipment antenna compared with, for the impact of antenna performance when decreasing user's handling breakpoint.

As mentioned above, in above embodiment, antenna assembly can be used for terminal equipment.Fig. 4 shows the block diagram of terminal equipment 400 according to an embodiment of the invention.Below, with reference to Fig. 4, the terminal equipment 400 according to the embodiment of the present invention is described.

As shown in Figure 5, terminal equipment 400 comprises gap structure antenna device 410.Gap structure antenna device 410 comprises the first metal parts 412, second metal parts 414, first grounded parts 416, second grounded parts 418, feeding interface 420 and microstrip feed line 422.All parts in gap structure antenna device 100 described in all parts in antenna assembly 410 and Fig. 1 is similar, therefore, succinct in order to describe, and no longer specifically describes.

Such as, between the first metal parts 412 and the second metal parts 414, there is the first gap.First metal parts 412, second metal parts 414, first grounded parts 416 and the second grounded parts 418 surround closed loop gap structure, using as gap structure antenna device.First grounded parts 416 and the second grounded parts 418 can be arranged on the two ends in the first gap, to surround closed loop gap structure.According to an example of the present invention, in 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 such as polyphenylene sulfide (pps) and so on.

The radiofrequency signal that gap structure antenna device 410 can be received via microstrip feed line 422 and/or will be sent by it by feeding interface 420 be sent to the front radio-frequency circuit (not shown) in terminal equipment 400.Microstrip feed line 422 can be arranged on above the first gap and to cross over the first gap.Particularly, microstrip feed line 422 crosses over the first gap, and one end of microstrip feed line 422 is unsettled, and the other end is connected to feeding interface 420.That is, gap structure antenna device does not contact with microstrip feed line, and the front radio-frequency circuit in terminal equipment 400 passes through microstrip feed line 422 to gap structure antenna device 410 couple feed.

Although comprise a gap structure antenna device for terminal equipment to be in the present embodiment described, the present invention is not limited thereto.Such as, terminal equipment comprises multiple gap structure antenna device.Particularly, comprising metal edge frame and being arranged in the terminal equipment of metal reinforcing plates of terminal equipment inside, can utilize the gap between metal edge frame and the metal reinforcing plates being arranged on terminal equipment inside that multiple gap structure antenna device is set.

Fig. 5 shows the generalized section of terminal equipment according to an embodiment of the invention.In the example depicted in fig. 5, will be described for cellular mobile phone.As shown in Figure 5, cellular mobile phone 5000 comprises the first gap structure antenna device 5100, second gap structure antenna device 5200 and the 3rd gap structure antenna device 5300.

First gap structure antenna device 5100 can be the main antenna of cellular mobile phone 5000.The low frequency operation frequency band of the first gap structure antenna device 5100 can be 820-960MHz, and the high-frequency work frequency band of the first gap structure antenna device 5100 can be 1710-2170MHz, to cover GSM850, GSM900, DCS1800, PCS1900 and UMTS five frequency ranges simultaneously.

First gap structure antenna device 5100 can comprise metal edge frame 5110 and be arranged on the metal reinforcing plates 5120 of terminal equipment inside.Between every bar limit and metal reinforcing plates 5120 of rectangular metal frame 5110, there is gap.Between rectangular metal frame 5110 and metal reinforcing plates 5120, the insulating material of such as polyphenylene sulfide and so on is added, to connect rectangular metal frame 5110 and metal reinforcing plates 5120 by Shooting Technique.

In addition, the first gap structure antenna device 5100 also comprises the first grounded parts 5130 and the second grounded parts 5140.Rectangular metal frame 5110, metal reinforcing plates 5120, first grounded parts 5130 and the second grounded parts 5140 surround closed loop gap structure.As shown in Figure 5, surround closed loop gap structure and comprise the first gap 5112 between rectangular metal frame 5110 and metal reinforcing plates 5120.The distance (that is, the length in the first gap 5112) can determining between the first grounded parts 5130 and the second grounded parts 5140 according to the low frequency designs resonance frequency of the first gap structure antenna device 5100.

In addition, the first gap structure antenna device 5100 is also included in second gap 5122 of metal reinforcing plates 5120 in upper formation, using as high frequency gap Branching Antenna, with the high frequency bandwidth of extended antenna device.Second gap 5122 is communicated with the first gap 5112.

In addition, the first gap structure antenna device 5100 also comprises the first feeding interface 5150 and the first microstrip feed line 5160.First microstrip feed line 5160 is arranged on above the first gap 5112 and the second gap 5122, and crosses over the first gap 5112 and the second gap 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, the first gap structure antenna device 5100 does not contact with the first microstrip feed line 5160, and the front radio-frequency circuit in terminal equipment 5000 passes through the first microstrip feed line 5160 to the first gap structure antenna device 5100 couple feed.Preferably, the first gap 5112 and the distance between the second gap 5122 and the first microstrip feed line 5160 can be more than or equal to 1 millimeter.In addition, between the first microstrip feed line and the first gap and between the first microstrip feed line and the second gap can setting example as the dividing plate made by Merlon and acrylonitrile-butadiene-styrene copolymer and mixture (PC-ABS).

Can according to the high-frequency design resonance frequency of gap structure antenna device 5100, determine the distance between the projected position of microstrip feed line 5160 in the first gap and the first grounded parts 5130.

Second gap structure antenna device 5200 can be the gps antenna of cellular mobile phone 5000.The working band of the second gap structure antenna device 5200 can be 1575MHz.

Second gap structure antenna device 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 bar limit and metal reinforcing plates 5120 of rectangular metal frame 5110, there is gap.Between rectangular metal frame 5110 and metal reinforcing plates 5120, the insulating material of such as polyphenylene sulfide and so on is added, to connect rectangular metal frame 5110 and metal reinforcing plates 5120 by Shooting Technique.

In addition, the second gap structure antenna device 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 closed loop gap structure.As shown in Figure 5, surround closed loop gap structure and comprise the 3rd gap 5212 between rectangular metal frame 5110 and metal reinforcing plates 5120.The distance (that is, the length in the 3rd gap 5212) can determining between the 3rd grounded parts 5230 and the 4th grounded parts 5240 according to the resonance frequency of the second gap structure antenna device 5200.

In addition, the second gap structure antenna device 5200 also comprises the second feeding interface 5250 and the second microstrip feed line 5260.Second microstrip feed line 5260 is arranged on above the 3rd gap 5212, and crosses over the 3rd gap 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, gap structure antenna device does not contact with microstrip feed line, the front radio-frequency circuit in terminal equipment by microstrip feed line to gap structure antenna device couple feed.Preferably, the distance between the 3rd gap 5212 and the second microstrip feed line 5260 can be more than or equal to 1 millimeter.In addition, between the second microstrip feed line and the 3rd gap can setting example as the dividing plate made by Merlon and acrylonitrile-butadiene-styrene copolymer and mixture (PC-ABS).

Can according to the design resonance frequency of the second gap structure antenna device 5200, determine the distance between the projected position of the second microstrip feed line 5260 in the 3rd gap and the 3rd grounded parts 5230.

3rd gap structure antenna device 5300 can be the WIFI antenna of cellular mobile phone 5000.The working band of the 3rd gap structure antenna device 5300 can be 2400MHz-2480MHz.

3rd gap structure antenna device 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 bar limit and metal reinforcing plates 5120 of rectangular metal frame 5110, there is gap.Between rectangular metal frame 5110 and metal reinforcing plates 5120, the insulating material of such as polyphenylene sulfide and so on is added, to connect rectangular metal frame 5110 and metal reinforcing plates 5120 by Shooting Technique.

In addition, the 3rd gap structure antenna device 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 closed loop gap structure.As shown in Figure 5, surround closed loop gap structure and comprise the 4th gap 5312 between rectangular metal frame 5110 and metal reinforcing plates 5120.The distance (that is, the length in the 4th gap 5312) can determining between the 5th grounded parts 5330 and the 6th grounded parts 5340 according to the resonance frequency of the 3rd gap structure antenna device 5300.

In addition, the 3rd gap structure antenna device 5300 also comprises the 3rd feeding interface 5350 and the 3rd microstrip feed line 5360.3rd microstrip feed line 5360 is arranged on above the 4th gap 5312, and crosses over the 4th 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, gap structure antenna device does not contact with microstrip feed line, the front radio-frequency circuit in terminal equipment by microstrip feed line to gap structure antenna device couple feed.Preferably, the distance between the 4th gap 5312 and the 3rd microstrip feed line 5360 can be more than or equal to 1 millimeter.In addition, between the 3rd microstrip feed line and the 4th gap can setting example as the dividing plate made by Merlon and acrylonitrile-butadiene-styrene copolymer and mixture (PC-ABS).

Can according to the design resonance frequency of the 3rd gap structure antenna device 5300, determine the distance between the projected position of the 3rd microstrip feed line 5360 in the 4th gap and the 5th grounded parts 5330.

Compared with using the terminal equipment of traditional built-in aerial, not only allow the existence of metal outer frame according to the terminal equipment of the present embodiment, and the thickness of metal outer frame can be reduced, make to provide the ultra-thin terminal equipment with metal outer frame to become possibility.And the area taken due to gap structure antenna device depends primarily on the width in gap, so gap structure area occupied is much smaller than the area shared by conventional built-in antenna.Thus the volume of terminal equipment can be reduced further.

In addition, the gap 5400,5500 and 5600 between the first gap structure antenna device 5100, second gap structure antenna device 5200 and the 3rd gap structure antenna device 5300 can be ground structure.Alternatively, gap 5400,5500 and 5600 can be designed for the design of the slave antenna of such as classification antenna and so on.

In addition, as shown in Figure 5, according in the terminal equipment of the present embodiment, gap structure antenna device can be set in the corner of metal edge frame, to ensure good radiation environment further and to reduce electromagnetic interference.

It should be appreciated by those skilled in the art that and can be dependent on design requirement and other factors carries out various amendment, combination, incorporating aspects and replacement to the present invention, as long as they are in the scope of appended claims and equivalent thereof.

Claims (12)

1. a gap structure antenna device, is applied to terminal equipment, and described antenna assembly comprises:
First metal parts;
Second metal parts, has the first gap between described second metal parts and described first metal parts;
First grounded parts;
Second grounded parts;
Feeding interface, configuration is fed to radiofrequency signal;
Microstrip feed line, being arranged on above described first gap and crossing over described first gap, one 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 first metal parts, described second metal parts, described first grounded parts and described second grounded parts surround closed loop gap structure, using as described gap structure antenna device;
Described first metal parts is the metal edge frame of described terminal equipment;
Described second metal parts is the metal reinforcing plates being arranged on described terminal equipment inside;
Between every bar limit of described metal edge frame and described metal reinforcing plates, there is gap.
2. antenna assembly as claimed in claim 1, wherein
The empty regions with predetermined is set 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
The distance between described first grounded parts and described second grounded parts is determined according to the low frequency designs resonance frequency of described gap structure antenna device; And
The width in described first gap is determined according to the design bandwidth of described gap structure antenna device.
4. antenna assembly as claimed in claim 1, wherein
According to the high-frequency design resonance frequency of described gap structure antenna device, determine the distance between the projected position of described microstrip feed line in described first gap and described first grounded parts.
5. antenna assembly as claimed in claim 1, also comprises:
High-frequency branch antenna, to expand the high frequency bandwidth of described antenna assembly.
6. antenna assembly as claimed in claim 5, wherein
Described high-frequency branch antenna is be arranged on the second gap with the first gap area in described second metal parts;
Described microstrip feed line to be also arranged on above described second gap and to cross over described second gap.
7. antenna assembly as claimed in claim 1, also comprises:
Match circuit, is connected to described feeding interface, to regulate the resonance frequency of described antenna assembly.
8. antenna assembly as claimed in claim 1, wherein
There is between described microstrip feed line and the first gap one deck dividing plate.
9. antenna assembly as claimed in claim 1, wherein
In described closed loop gap structure, packing material is added, to connect described first metal parts and described second metal parts by Shooting Technique.
10. a terminal equipment, comprising:
First metal parts;
Second metal parts, has the first gap between described second metal parts and described first metal parts; And
By the first gap structure antenna device that described first metal parts and described second metal parts are formed,
Described first gap structure antenna device also comprises:
First grounded parts;
Second grounded parts;
First feeding interface, configuration comes for described first gap structure antenna device feeding radiofrequency signal;
First microstrip feed line, being arranged on above described first gap and crossing over described first gap, one end of described first microstrip feed line is unsettled, and the other end of described first microstrip feed line is connected to described first feeding interface;
Wherein, described first metal parts, described second metal parts, described first grounded parts and described second grounded parts surround closed loop gap structure, using as described first gap structure antenna device;
Described first metal parts is the metal edge frame of described terminal equipment;
Described second metal parts is the metal reinforcing plates being arranged on described terminal equipment inside;
Between every bar limit of described metal edge frame and described metal reinforcing plates, there is gap.
11. terminal equipments as claimed in claim 10, wherein
Also there is between described second metal parts and described first metal parts the 3rd gap,
Described terminal equipment also comprises:
By the second gap structure antenna device that described first metal parts and described second metal parts are formed,
Described second gap structure antenna device also comprises:
3rd grounded parts;
4th grounded parts;
Second feeding interface, configuration comes for described second gap structure antenna device feeding radiofrequency signal;
Second microstrip feed line, being arranged on above described 3rd gap and crossing over described 3rd gap, one end of described second microstrip feed line is unsettled, and the other end of described second microstrip feed line is connected to described second feeding interface;
Wherein, described first metal parts, described second metal parts, described 3rd grounded parts and described 4th grounded parts surround closed loop gap structure, using as described second gap structure antenna device.
12. terminal equipments as claimed in claim 11, wherein
Also there is between described second metal parts and described first metal parts the 4th gap,
Described terminal equipment also comprises:
By the 3rd gap structure antenna device that described first metal parts and described second metal parts are formed,
Described 3rd gap structure antenna device also comprises:
5th grounded parts;
6th grounded parts;
3rd feeding interface, configuration comes for described 3rd gap structure antenna device feeding radiofrequency signal;
3rd microstrip feed line, being arranged on above described 4th gap and crossing over described 4th gap, one end of described 3rd microstrip feed line is unsettled, and the other end of described 3rd microstrip feed line is connected to described 3rd feeding interface;
Wherein, described first metal parts, described second metal parts, described 5th grounded parts and described 6th grounded parts surround closed loop gap structure, using as described 3rd gap structure antenna device.
CN201110326512.3A 2011-10-24 2011-10-24 Gap structure antenna device and terminal unit CN103066374B (en)

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Application Number Priority Date Filing Date Title
CN201110326512.3A CN103066374B (en) 2011-10-24 2011-10-24 Gap structure antenna device and terminal unit

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Application Number Priority Date Filing Date Title
CN201110326512.3A CN103066374B (en) 2011-10-24 2011-10-24 Gap structure antenna device and terminal unit
US13/647,602 US9112271B2 (en) 2011-10-09 2012-10-09 Terminal device
DE102012109565A DE102012109565A1 (en) 2011-10-09 2012-10-09 Terminal equipment
US14/791,829 US9419328B2 (en) 2011-10-09 2015-07-06 Terminal device

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CN103066374A CN103066374A (en) 2013-04-24
CN103066374B true CN103066374B (en) 2015-06-03

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