CN201570586U - Antenna device - Google Patents

Antenna device Download PDF

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Publication number
CN201570586U
CN201570586U CN2009202385747U CN200920238574U CN201570586U CN 201570586 U CN201570586 U CN 201570586U CN 2009202385747 U CN2009202385747 U CN 2009202385747U CN 200920238574 U CN200920238574 U CN 200920238574U CN 201570586 U CN201570586 U CN 201570586U
Authority
CN
China
Prior art keywords
polarization
opening
horizontal
insulation medium
antenna assembly
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CN2009202385747U
Other languages
Chinese (zh)
Inventor
林敬基
施凯
吴裕源
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fugang Electronic Dongguan Co Ltd
Foxlink Electronics Dongguan Co Ltd
Cheng Uei Precision Industry Co Ltd
Original Assignee
Foxlink Electronics Dongguan Co Ltd
Cheng Uei Precision Industry Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Foxlink Electronics Dongguan Co Ltd, Cheng Uei Precision Industry Co Ltd filed Critical Foxlink Electronics Dongguan Co Ltd
Priority to CN2009202385747U priority Critical patent/CN201570586U/en
Application granted granted Critical
Publication of CN201570586U publication Critical patent/CN201570586U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model discloses an antenna device, which comprises an insulating medium plate, an earth plate, a radiation carrier, a radiation part and a feed-in part. Copper foils are adhered on the upper and lower surfaces of the insulating medium plate to form the earth plate. The radiation carrier is made from an insulating material, is fixed at one end of the upper surface of the insulating medium plate and has a certain distance to the insulating medium plate. The radiation part comprises a horizontal polarizing part and a vertical polarizing part which are arranged on the upper surface of the radiation carrier. The feed-in part comprises a horizontal feeding part and a vertical feeding part which are arranged on the lower surface of the insulating medium plate and at the same end with the radiation carrier. The horizontal feeding part and the vertical feeding part respectively correspond to the horizontal polarizing part and the vertical polarizing part. As stated above, the antenna device of the utility model can effectively reduce the space occupied by the antenna device.

Description

Antenna assembly
Technical field
The utility model relates to a kind of antenna assembly, particularly relates to a kind of dual-polarization antenna apparatus by coupled modes feed-in electromagnetic wave signal.
Background technology
The antenna assembly that the miniaturization of consumption electronic products such as current game machine, multifunction require to be used for the electromagnetic signal transmitting-receiving develops towards the direction of miniaturization and high reliability.For example, a kind of antenna of wireless game player receiving card can be received and dispatched the electromagnetic wave signal of 2.4GHZ frequency range, and traditional way is generally by directly being connected feeding portion to come with aerial radiation portion, to realize the transmission of electromagnetic wave signal between Department of Radiation and feeding portion.Yet the shared space of the designed antenna that goes out is bigger by direct-connected mode.
The utility model content
The purpose of this utility model is to provide a kind of dual polarization coupling feed-in type antenna assembly that takes up room little at defective and deficiency that above-mentioned prior art exists.
For achieving the above object, the utility model provides a kind of antenna assembly, comprises an insulation medium board, ground plate, a radiation carrier, Department of Radiation and feeding portion.Ground plate is made of the thin metal layer that the upper surface and the lower surface of insulation medium board adheres to, ground plate forms one first opening in an end of insulation medium board lower surface, and ground plate is in an end and a corresponding horizontal polarization opening and the perpendicular polarization opening of being provided with first opening of the upper surface of insulation medium board; This antenna assembly also comprises a radiation carrier, and this radiation carrier is made by insulating material, is fixed on the insulation medium board, and keeps at a certain distance away with the insulation medium board upper surface; Department of Radiation is arranged at radiation carrier upper surface and is provided with a horizontal polarization portion and a perpendicular polarization portion with horizontal polarization opening and the corresponding position of perpendicular polarization opening respectively; Feeding portion comprise be arranged at the insulation medium board lower surface and be positioned at first opening and respectively with horizontal polarization opening and perpendicular polarization opening corresponding one a horizontal current feed department and a vertical current feed department.
As mentioned above, the utility model antenna assembly is coupled with horizontal polarization portion and perpendicular polarization portion respectively via horizontal polarization opening and perpendicular polarization opening by horizontal current feed department and vertical current feed department, thereby realize the transmission of signal between Department of Radiation and feeding portion, reduced the shared space of antenna assembly effectively.
Description of drawings
Fig. 1 is the schematic top plan view of a kind of embodiment of the utility model antenna assembly.
Fig. 2 is the elevational schematic view of antenna assembly shown in Figure 1.
Fig. 3 is the side sectional view of antenna assembly shown in Figure 1.
Fig. 4 is the resolution chart of voltage standing wave ratio of the perpendicular polarization portion of antenna assembly shown in Figure 1.
Fig. 5 is the resolution chart of voltage standing wave ratio of the horizontal polarization portion of antenna assembly shown in Figure 1.
Fig. 6 is the gain coefficient resolution chart of the horizontal polarization portion and the perpendicular polarization portion of antenna assembly shown in Figure 1.
The description of reference numerals of each parts is as follows among the figure:
Insulation medium board 1 through hole 11
Ground plate 2 first openings 20
Horizontal polarization opening 21 perpendicular polarization openings 22
Radiation carrier 3 erection columns 30
Department of Radiation 4 horizontal polarization portions 41
Perpendicular polarization portion 42 feeding portions 5
Horizontal current feed department 51 vertical current feed departments 52
Embodiment
By describing technology contents of the present utility model, structural feature in detail, realized purpose and effect, give explanation below in conjunction with execution mode and conjunction with figs. are detailed.
See also Fig. 1, Fig. 2 and Fig. 3, the utility model antenna assembly comprises an insulation medium board 1, ground plate 2, a radiation carrier 3, Department of Radiation 4 and feeding portion 5.
The upper surface of insulation medium board 1 and lower surface are attached with thin metal layer respectively, thereby form ground plate 2.Insulation medium board 1 left end offers several through holes 11 that run through insulation medium board 1 and ground plate 2, point is provided with scolding tin in the through hole 11, thereby subduing the capacity effect of antenna assembly with the thin metal layer of the upper and lower surface of electric connection insulation medium board 1, is the electromagnetic quarter-wave of 2.4GHZ with coupling and the electrical length of realizing resistance value smaller or equal to frequency.In the present embodiment, this thin metal layer is a Copper Foil.The right-hand member of insulation medium board 1 offers several installing hole (not shown).
Ground plate 2 forms one first opening 20 in the middle part of the right-hand member of insulation medium board 1 lower surface, ground plate 2 is in the right-hand member and first opening, 20 a corresponding horizontal polarization opening 21 and the perpendicular polarization openings 22 of being provided with of the upper surface of insulation medium board 1, and this horizontal polarization opening 21 and perpendicular polarization opening 22 are orthogonal two rectangular areas.Insulation medium board 1 is in the lower surface right-hand member and be positioned at first opening 20 and be respectively arranged with a horizontal current feed department 51 and a vertical current feed department 52 with horizontal polarization opening 21 and perpendicular polarization opening 22 corresponding positions.Horizontal current feed department 51 and vertical current feed department 52 common formation feeding portions 5.One end of horizontal current feed department 51 and vertical current feed department 52 is connected with a feed-in line (not indicating among the figure).
Radiation carrier 3 is a square plate body of being made by insulating material.The lower surface of radiation carrier 3 convexes with several erection columns of being made by insulating material 30, and erection column 30 is arranged in the installing hole so that radiation carrier 3 is fixed on the insulation medium board 1, and radiation carrier 3 keeps at a certain distance away with insulation medium board 1 upper surface.Radiation carrier 3 upper surfaces and horizontal polarization opening 21 and perpendicular polarization opening 22 corresponding positions are respectively arranged with a horizontal polarization portion 41 and a perpendicular polarization portion 42.Horizontal polarization portion 41 is a rectangular plate shape, and it is tabular that perpendicular polarization portion 42 is one " L " shape.Horizontal polarization portion 41 and perpendicular polarization portion 42 are made by copper material.Be attached with thin metal layer around the radiation carrier 3, horizontal polarization portion 41 is connected ground plate 2 with perpendicular polarization portion 42 by this thin metal layer.Horizontal polarization portion 41 and perpendicular polarization portion 42 common formation Departments of Radiation 4 are with the transmitting-receiving electromagnetic wave signal.
The utility model antenna assembly operating frequency is about 2.4GHz, and the length of side of radiation carrier 3 is 25mm.Be coupled with horizontal polarization portion 41 and perpendicular polarization portion 42 via horizontal polarization opening 21 and perpendicular polarization opening 22 respectively by horizontal current feed department 51 and vertical current feed department 52, thereby can inspire a horizontally-polarized electromagnetic wave and a vertical polarization electromagnetic wave.Wherein, horizontal current feed department 51 and the 41 overlapping settings of horizontal polarization portion, vertical current feed department 52 and the 42 overlapping settings of perpendicular polarization portion, horizontal polarization opening 21 and horizontal current feed department 51 and the 41 vertical settings of horizontal polarization portion, perpendicular polarization opening 22 and vertical current feed department 52 and the 42 vertical settings of perpendicular polarization portion.
See also Fig. 4, be depicted as the voltage standing wave ratio resolution chart of the perpendicular polarization portion 42 of the utility model antenna assembly.Abscissa is represented frequency among Fig. 4, and ordinate is represented the value of voltage standing wave ratio.As can be known from Fig. 4, when the utility model antenna assembly worked in the 2.4GHZ frequency range, the value of voltage standing wave ratio was 1.5204, and when working in the 2.4595GHZ frequency range, it is 1.2764 that the value of voltage standing wave ratio reaches minimum.
See also Fig. 5, be depicted as the voltage standing wave ratio resolution chart of the horizontal polarization portion 41 of the utility model antenna assembly.Abscissa is represented frequency among Fig. 5, and ordinate is represented the value of voltage standing wave ratio.As can be known from Fig. 5, when the utility model antenna assembly worked in the 2.4GHZ frequency range, the value of voltage standing wave ratio was 1.2579, and when working in the 2.4385GHZ frequency range, it is minimum that the value of voltage standing wave ratio reaches, and is 1.1858.
See also Fig. 6, be depicted as the gain coefficient resolution chart of the horizontal polarization portion 41 and the perpendicular polarization portion 42 of the utility model antenna assembly.Abscissa is represented frequency among Fig. 6, and ordinate is represented the value of gain coefficient, and as we know from the figure, when the utility model antenna assembly worked in the 2.4GHZ frequency range, the transmitting-receiving yield value of horizontal polarization portion 41 reached 4, and the transmitting-receiving yield value of perpendicular polarization portion 42 reaches 1.76.
In sum, the utility model antenna assembly is coupled with horizontal polarization portion 41 and perpendicular polarization portion 42 respectively via horizontal polarization opening 21 and perpendicular polarization opening 22 by horizontal current feed department 51 and vertical current feed department 52, thereby realize the transmission of signal between Department of Radiation 4 and feeding portion 5, reduced the shared space of antenna assembly effectively.

Claims (7)

1. antenna assembly, comprise an insulation medium board, ground plate, Department of Radiation and feeding portion, it is characterized in that: ground plate is made of the thin metal layer that the upper surface and the lower surface of insulation medium board adheres to, ground plate forms one first opening in an end of insulation medium board lower surface, and ground plate is in an end and a corresponding horizontal polarization opening and the perpendicular polarization opening of being provided with first opening of the upper surface of insulation medium board; This antenna assembly also comprises a radiation carrier, and this radiation carrier is made by insulating material, is fixed in insulation medium board upper surface one end, and keeps at a certain distance away with the insulation medium board upper surface; Department of Radiation is arranged at radiation carrier upper surface and is provided with a horizontal polarization portion and a perpendicular polarization portion with horizontal polarization opening and the corresponding position of perpendicular polarization opening respectively; Feeding portion comprise be arranged at the insulation medium board lower surface and be positioned at first opening and respectively with horizontal polarization opening and perpendicular polarization opening corresponding one a horizontal current feed department and a vertical current feed department.
2. antenna assembly as claimed in claim 1, it is characterized in that: described radiation carrier is a square plate body, one end place of the corresponding radiation carrier of insulation medium board offers several installing holes, the lower surface of described radiation carrier convexes with several by the erection column that insulating material is made, and erection column is fixed in the installing hole.
3. antenna assembly as claimed in claim 1 is characterized in that: described insulation medium board one end offers several through holes that run through insulation medium board and ground plate, is provided with scolding tin in the through hole, with the thin metal layer of the upper and lower surface of electric connection insulation medium board.
4. antenna assembly as claimed in claim 1 is characterized in that: described thin metal layer is a Copper Foil.
5. antenna assembly as claimed in claim 1, it is characterized in that: the overlapping setting of described horizontal current feed department and horizontal polarization portion, vertical current feed department and the overlapping setting of perpendicular polarization portion, the horizontal polarization opening is provided with horizontal polarization portion is vertical with horizontal current feed department, and the perpendicular polarization opening is provided with perpendicular polarization portion is vertical with vertical current feed department.
6. antenna assembly as claimed in claim 1 is characterized in that: described horizontal polarization portion is a rectangular plate shape, and it is tabular that perpendicular polarization portion is one " L " shape.
7. antenna assembly as claimed in claim 1 is characterized in that: with thin metal layer, horizontal polarization portion is connected ground plate with perpendicular polarization portion by this thin metal layer around the described radiation carrier.
CN2009202385747U 2009-10-31 2009-10-31 Antenna device Expired - Lifetime CN201570586U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009202385747U CN201570586U (en) 2009-10-31 2009-10-31 Antenna device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009202385747U CN201570586U (en) 2009-10-31 2009-10-31 Antenna device

Publications (1)

Publication Number Publication Date
CN201570586U true CN201570586U (en) 2010-09-01

Family

ID=42662886

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2009202385747U Expired - Lifetime CN201570586U (en) 2009-10-31 2009-10-31 Antenna device

Country Status (1)

Country Link
CN (1) CN201570586U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110854505A (en) * 2018-08-21 2020-02-28 宏达国际电子股份有限公司 Integrated antenna structure

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110854505A (en) * 2018-08-21 2020-02-28 宏达国际电子股份有限公司 Integrated antenna structure
US10862211B2 (en) 2018-08-21 2020-12-08 Htc Corporation Integrated antenna structure

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GR01 Patent grant
C14 Grant of patent or utility model
CX01 Expiry of patent term

Granted publication date: 20100901

CX01 Expiry of patent term