CN202712409U - Integrated antenna structure for wireless network devices - Google Patents
Integrated antenna structure for wireless network devices Download PDFInfo
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- CN202712409U CN202712409U CN 201220329503 CN201220329503U CN202712409U CN 202712409 U CN202712409 U CN 202712409U CN 201220329503 CN201220329503 CN 201220329503 CN 201220329503 U CN201220329503 U CN 201220329503U CN 202712409 U CN202712409 U CN 202712409U
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Abstract
The utility model discloses an integrated antenna structure for wireless network devices, comprising a mechanism part, a coupling conductive part and a chip type antenna unit. The coupling conductive part is connected with the mechanism part and is electrically grounded; the chip type antenna unit is kept at a predetermined distance away from the coupling conductive part; the chip type antenna unit consists of a chip, a first radiation part and a second radiation part; the first radiation part is a monopole antenna operated at a first operation frequency; the second radiation part is a coupled monopole antenna operated at a second operation frequency; the second operation frequency is higher than the first operation frequency; one of the first radiation part and the second radiation part is arranged along the side edge around a first surface; the tail end of the first radiation part and the tail end of the second radiation part partially overlap with each other; the first radiation part is relatively closer to the coupling conductive part; and the coupling conductive part couples to generate a third operation frequency adjacent to the second operation frequency.
Description
Technical field
The utility model is relevant for antenna technology, and particularly relevant for the Conformable antenna structure that is used for radio network device.
Background technology
Because the prosperity of wireless network, wireless network has become hardware device indispensable in city, office and the domestic environment.At present general specifications for wireless networks is take the IEEE802.11 standard as main, and IEEE802.11 is the communication standard of being formulated by international Electrical Engineering Society (IEEE).Foundation revision and newly-increased IEEE802.11 standard year by year has 802.11a, 802.11b, 802.11g, 802.11n etc. version.
Aspect the employed Antenna Design of wireless network, for the demand of the different operating frequency band of a plurality of versions (as: 802.11a, 802.11b, 802.11g, 802.11n etc.) of meeting IEEE802.11, the Antenna Design person often needs do complicated structural design to antenna.Yet, the restriction of Antenna Design Chang Yinwei antenna free space, and caused the difficult degree in the design.Therefore, how making antenna be operable in the frequency range of a plurality of frequency bands or increase antenna, is the research and development problem of this area research staff when the antenna that the design wireless network is used.
The utility model content
The utility model provides a kind of Conformable antenna structure for radio network device, in order to simplify Antenna Design and to increase the operation frequency range of antenna.
The utility model provides a kind of Conformable antenna structure, is used for a radio network device.Described Conformable antenna structure comprises section of mechanism, coupling conductive part and chip-type antenna unit.Section of coupling conductive part bindiny mechanism, and the electrical ground connection of coupling conductive part.The chip-type antenna unit is arranged in the section of mechanism, and keeps a preset distance with the coupling conductive part.Described chip-type antenna unit comprises chip, the first Department of Radiation and the second Department of Radiation.Chip has first surface.The first Department of Radiation is positioned on the first surface of chip, and has a feed side and one first end, and the first Department of Radiation operates in the unipole antenna of the first frequency of operation.The second Department of Radiation is positioned on the first surface of chip, and has an earth terminal and one second end, and the second Department of Radiation operates in the manifold type unipole antenna of the second frequency of operation.The second frequency of operation is higher than the first frequency of operation.One of them of the first Department of Radiation and the second Department of Radiation is set up along the side on every side of first surface, and first terminal the second end with the second Department of Radiation of the first Department of Radiation overlaps each other.The first Department of Radiation is relatively near the coupling conductive part, and the second Department of Radiation is relatively away from the coupling conductive part, and the coupling of coupling conductive part produces the 3rd frequency of operation of contiguous the second frequency of operation.
Wherein this section of mechanism comprises a circuit board.
Wherein this section of mechanism comprises a casing lock member, and this coupling conductive part is locked on this casing lock member.
Wherein this section of mechanism comprises:
One circuit board, this chip-type antenna unit places on this circuit board;
One casing lock member, contiguous this chip-type antenna unit, this coupling conductive part is locked on this casing lock member.
Wherein this section of mechanism comprises:
One circuit board has a casing lock member, and this coupling conductive part is locked on this casing lock member;
Wherein, this chip-type antenna unit places on this circuit board, and contiguous this casing lock member in this chip-type antenna unit.
Wherein this first Department of Radiation has an impedance matching element.
Wherein this chip is glass substrate or ceramic substrate.
Wherein this preset distance is between 1 millimeter and 5 millimeters.
Wherein this chip has a perforation, and this feed side of this first Department of Radiation connects a radio circuit by this perforation.
Wherein this chip has a perforation, and this earth terminal of this second Department of Radiation is by the electrical ground connection of this perforation.In sum, the Conformable antenna structure that is used for radio network device that the utility model embodiment provides, utilization is installed on the interior section of mechanism of radio network device with chip-type antenna unit and the adjacent setting of coupling conductive part, simplifies thus the operation frequency range of antenna structure and increase antenna.
For enabling further to understand feature of the present utility model and technology contents, see also following about detailed description of the present utility model and accompanying drawing, but these explanations and appended graphic the utility model that only is used for illustrating, but not interest field of the present utility model is done any restriction.
Description of drawings
Figure 1A is the schematic diagram of the chip-type antenna unit of the utility model embodiment.
Figure 1B is the schematic diagram of the chip-type antenna unit of the utility model embodiment.
Fig. 1 C is the schematic diagram of the chip-type antenna unit of the utility model embodiment.
Fig. 1 D is the schematic diagram of the chip-type antenna unit of the utility model embodiment.
Fig. 2 is that the voltage standing wave ratio of Conformable antenna structure of the utility model embodiment is along with the oscillogram of frequency change.
Fig. 3 is the schematic diagram of the Conformable antenna structure of the utility model embodiment.
Fig. 4 is the chip-type antenna unit of the utility model embodiment and the schematic diagram of coupling conductive part.
Wherein, description of reference numerals is as follows:
1: the Conformable antenna structure
11: section of mechanism
12: the coupling conductive part
13,23,33,43: the chip-type antenna unit
D: preset distance
111: casing
112: metallic plate
113: circuit board
111a, 112a: casing lock member
131: chip
132,232,332,432: the first Departments of Radiation
133,233,333,433: the second Departments of Radiation
F: feed side
G: earth terminal
1311: first surface
1311a, 1311b, 1311c, 1311d, 1311e: side on every side
132a, 232a, 332a, 432a: the first end
133a, 233a, 333a, 433a: the second end
332b, 432b: impedance matching element
121: the three ends
122: the casing lockhole
Embodiment
Please refer to Figure 1A and Fig. 3, Figure 1A is the schematic diagram of the chip-type antenna unit of the utility model embodiment.Fig. 3 is the schematic diagram of the Conformable antenna structure of the utility model embodiment.Conformable antenna structure 1 is applicable to radio network device.As shown in Figure 3, described Conformable antenna structure 1 comprises section of mechanism 11, coupling conductive part 12 and chip-type antenna unit 13.Section of mechanism 11 can be body construction or the inner element assembly for assembly of radio network device.
Coupling conductive part 12 sections of bindiny mechanism 11, and coupling conductive part 12 electrical ground connection.Chip-type antenna unit 13 is arranged in the section of mechanism 11, and keeps a preset distance D with coupling conductive part 12.Detailed possible execution mode please refer to following explanation.
In the present embodiment, section of mechanism 11 can comprise casing 111, metallic plate 112 and circuit board 113, as shown in Figure 3.Casing 111 can comprise respectively casing lock member 111a, 112a with metallic plate 112.Described casing lock member 111a, 112a illustrate (not illustrating screw) in the mode of screw lockhole, but therefore the utility model does not limit, casing lock member 111a, 112a also can be other forms of lock members, such as: fastener, pin member etc.Chip-type antenna unit 13 can be arranged on the circuit board 113, and when 11 assemblings of section of mechanism and locking (assembling and locking casing 111, metallic plate 112 and circuit board 113), coupling conductive part 12 can be locked in section of mechanism 11 in the lump, so can be apt to the free space in the radio network device.In other words, section of mechanism 11 can comprise such as casing lock member 111a, 112a on the casing 111 (or metallic plate 112), so that coupling conductive part 12 can be locked on casing lock member 111a, the 112a.
It is worth mentioning that, section of mechanism 11 shown in Figure 3 in order to help explanation, is not to limit the utility model only.Chip-type antenna unit 13 can be arranged on any position of section of mechanism 11 with the position of coupling conductive part 12, as long as make chip-type antenna unit 13 and coupling conductive part 12 keep a preset distance D.
In order to understand more in detail spirit of the present utility model, at this execution mode of chip-type antenna unit is described first.In the present embodiment, enumerate the execution mode that Figure 1A, Figure 1B, Fig. 1 C and Fig. 1 D etc. implement the chip-type antenna unit.But the execution mode of Figure 1A to Fig. 1 D is not to limit the utility model.
Simultaneously with reference to Figure 1A and Fig. 3, chip-type antenna unit 13 comprises chip 131, the first Department of Radiation 132 and the second Department of Radiation 133 again.The first Department of Radiation 132 operates in the unipole antenna of the first frequency of operation f1.The second Department of Radiation 133 operates in the manifold type unipole antenna of the second frequency of operation f2.The second frequency of operation f2 is higher than the first frequency of operation f1.
Refer again to Figure 1A, the first Department of Radiation 132 is set up by on every side side 1311a, 1311b, 1311c, the 1311d of feed side along first surface 1311.The first terminal 132a of the first Department of Radiation 132 and the second terminal 133a of the second Department of Radiation 133 overlap each other, and the energy that makes the first Department of Radiation 132 can be coupled to the second Department of Radiation 133, the second Department of Radiation 133 can inspire the mode of coupling thus, and also can be coupled and inspire lowest frequency is quarter-wave mode (coupling unipole antenna).It is worth mentioning that, the first terminal 132a and the second terminal 133a each other partly overlapping zone (or length) can need to and adjust according to design, as long as can make can the be coupled energy of the first Department of Radiation 132 of the second Department of Radiation 133, get final product with this operation mode that inspires coupling.
Please be simultaneously with reference to Figure 1A and Fig. 2, Fig. 2 is that the voltage standing wave ratio (Voltage Standing Wave Ratio, VSWR) of the Conformable antenna structure of the utility model embodiment is along with the oscillogram of frequency change.In the present embodiment, the length of the first Department of Radiation 132 is greater than the length 133 of the first Department of Radiation, and therefore the minimum operation frequency (first frequency f1) of the first Department of Radiation 132 is the minimum operation frequencies (second frequency f2) that are lower than the second Department of Radiation 133.As shown in Figure 2, the first frequency of operation f1 is positioned near the 2.4GHz, so the first frequency of operation f1 that the first Department of Radiation 132 produces can be suitable for the industry that is positioned at 2.4GHz, science and medical (industrial, scientific and medical, ISM) frequency range, this frequency range are 802.11b and 802.11g frequency range that standard is used.The second frequency of operation f2 that the second Department of Radiation 133 produces can be suitable for and be positioned near the frequency range of 5GHz, for example: be applicable to the 4.9GHz of Japan to the frequency range (802.11j standard) of 5GHz.
Yet therefore the first frequency of operation f1 of the present utility model and the second frequency of operation f2 do not limit, as long as the second frequency of operation f2 is higher than the first frequency of operation f1.To the frequency adjustment of the first frequency of operation f1 and the second frequency of operation f2, can need to and change according to design.In addition, the 3rd frequency f 3 among Fig. 2 is excited by coupling conductive part (Figure 1A does not illustrate), and the explanation of coupling conductive part will be introduced in follow-up Fig. 4 in detail.
Please refer to Figure 1B, Figure 1B is the schematic diagram of the chip-type antenna unit of the utility model embodiment.The chip-type antenna unit 23 roughly chip-type antenna unit 13 with Figure 1A is identical, and its difference only is the set-up mode of the first Department of Radiation 232 and the second Department of Radiation 233.The second Department of Radiation 233 along first surface 1311 around side 1311e, 1311d be set up.The first terminal 232a of the first Department of Radiation 232 and the second terminal 233a of the second Department of Radiation 233 overlap each other.
Please refer to Fig. 1 C, Fig. 1 C is the schematic diagram of the chip-type antenna unit of the utility model embodiment.The chip-type antenna unit 33 roughly chip-type antenna unit 13 with Figure 1A is identical, its difference only is that the first Department of Radiation 232 has more impedance matching element 332b, and impedance matching element 332b is always extended along the setting party in contrast to the first Department of Radiation 332 by feed side F.Impedance matching element 332b can be in order to adjust the impedance matching of the first Department of Radiation 332, to increase the elasticity of Antenna Design.It is worth mentioning that, because increased impedance matching element 332b, the position of feed side F also may need relative adjustment, as long as make the first Department of Radiation 332 still can inspire the first frequency of operation f1, for example: the length (may change simultaneously the position of the first terminal 332a) of adjusting the first Department of Radiation 332.
Please refer to Fig. 1 D, Fig. 1 D is the schematic diagram of the chip-type antenna unit of the utility model embodiment.The chip-type antenna unit 43 roughly chip-type antenna unit 23 with Figure 1B is identical, its difference only is that the first Department of Radiation 432 has more impedance matching element 432b, and impedance matching element 432b is always extended along the setting party in contrast to the first Department of Radiation 432 by feed side F.Impedance matching element 432b can be in order to adjust the impedance matching of the first Department of Radiation 432, to increase the elasticity of Antenna Design.Same, because increased impedance matching element 432b, the position of feed side F also may need relative adjustment.
It is worth mentioning that, only in order to help explanation, the position of feed side F and earth terminal G can need to and change according to design for the feed side F among Figure 1A to Fig. 1 D and the position of earth terminal G.In addition, be positioned at the position of feed side F and earth terminal G, chip 131 also can have perforation (not shown) so that feed side F and earth terminal G can conducting to chip 131 bottoms, and respectively with circuit board on radio circuit be connected with system earth.In other words, chip 131 can have a perforation, and the feed side F of the first Department of Radiation (132,232,332,432) can connect a radio circuit by described perforation.Chip 131 can have a perforation, and the earth terminal G of the second Department of Radiation (133,233,333,433) can pass through the electrical ground connection of described perforation.
Please be simultaneously with reference to Fig. 2, Fig. 3 and Fig. 4, Fig. 4 is the chip-type antenna unit of the utility model embodiment and the schematic diagram of coupling conductive part.In Fig. 4, the chip-type antenna unit is to help explanation take the chip-type antenna unit 13 of Figure 1A as example, but therefore the utility model does not limit.As shown in Figure 4, coupling conductive part 12 has casing lockhole 122 and the 3rd end 121.Coupling conductive part 12 can be connected with the casing lock member (111a, 112a) of section of mechanism 11 by casing lockhole 122, and simultaneously electrical ground connection (namely being connected to system earth).Chip-type antenna unit 13 keeps a preset distance D with coupling conductive part 12, a side that is chip-type antenna unit 13 keeps preset distance D with the 3rd terminal 121 of coupling conductive part 12, this preset distance D can be between 1 millimeter (1mm) and 5 millimeters (5mm), as long as make can the be coupled energy of the first Department of Radiation 132 of coupling conductive part 12.
In more detail, the relatively close coupling conductive part of the first Department of Radiation 132 of chip-type antenna unit 13 12, the second Departments of Radiation 133 are relatively away from coupling conductive part 12.Chip-type antenna unit 13 can be arranged at the circuit board 113 in the section of mechanism 11.The energy of coupling conductive part 12 coupling the first Department of Radiation 132 and produce the 3rd frequency of operation f3 of contiguous the second frequency of operation f2, the 3rd frequency of operation f3 as shown in Figure 2.Thus, the second frequency of operation f2 and the 3rd frequency of operation f3 can cause an operational frequency bands that frequency range is larger near 5GHz.For example: the ISM band of the employed 5.8GHz of being positioned at of 802.11a (5.725-5.875GHz) near can be reached the second frequency of operation f2 of good impedance match and the frequency range of the 3rd frequency of operation f3 contains.
It is worth mentioning that, only in order to signal and help explanation, coupling conductive part 12 also can be flat metallic plate to the shape of the coupling conductive part 12 among Fig. 4.Coupling conductive part 12 can be arranged on screw lockhole (or the casing lockhole) position of section of mechanism 11, although may there be the difference of height of vertical direction the position of screw lockhole and chip-type antenna unit 13, as long as a side of chip-type antenna unit 13 keeps preset distance D with the 3rd terminal 121 of coupling conductive part 12.In other words, section of mechanism 11 can comprise the casing lock member (111a, 112a) of adjacent chips type antenna element 13, and coupling conductive part 12 can be locked on the casing lock member (111a, 112a).
Except execution mode shown in Figure 3, the casing lock member of section of mechanism 11 (for example: screw lockhole or casing lockhole) can be arranged on the circuit board 113.In other words, the mode that coupling conductive part 12 is set also can be, has a casing lock member (not shown) at circuit board 113, and coupling conductive part 12 can be locked on the casing lock member on the circuit board.In addition, the length of coupling conductive part 12 is to be decided by the distance between casing lockhole 122 to the 3rd ends 121, can change thus the Frequency point of the 3rd frequency of operation f3.
(the possible effect of embodiment)
According to the utility model embodiment, the above-mentioned Conformable antenna structure that is used for radio network device, utilization is installed on the interior section of mechanism of radio network device with chip-type antenna unit and the adjacent setting of coupling conductive part, simplifies thus the operation frequency range of antenna structure and increase antenna.The chip-type antenna unit can be arranged in the section of mechanism (such as organs such as circuit boards).The setting position of coupling conductive part can utilize the space of casing lockhole (or other screw lockholes), with kind remaining space with casing inside, and the complexity on the design and construction of simplification antenna.The coupling conductive part can be fixed on by modes such as casing lock members the next door of chip-type antenna unit, energy with first Department of Radiation that is coupled, produce thus the 3rd frequency of operation, with the second frequency of operation of improving the second Department of Radiation and the sum total frequency range of the 3rd frequency of operation, meet the action need of wideband with this.
The above only is embodiment of the present utility model, and it is not to limit to claim of the present utility model.
Claims (10)
1. a Conformable antenna structure is characterized in that, is used for a radio network device, and this Conformable antenna structure comprises:
One section of mechanism; And
One coupling conductive part connects this section of mechanism, the electrical ground connection of this coupling conductive part; And
One chip-type antenna unit is arranged in this section of mechanism, and keeps a preset distance with this coupling conductive part, and this chip-type antenna unit comprises:
One chip has a first surface;
One first Department of Radiation is positioned on this first surface of this chip, has a feed side and one first end, and this first Department of Radiation operates in the unipole antenna of one first frequency of operation;
One second Department of Radiation, be positioned on this first surface of this chip, have an earth terminal and one second end, this second Department of Radiation operates in the manifold type unipole antenna of one second frequency of operation, this second frequency of operation is higher than this first frequency of operation, one of them of this first Department of Radiation and this second Department of Radiation is set up along the side on every side of this first surface, and this first terminal this second end with this second Department of Radiation of this first Department of Radiation overlaps each other; And
Wherein, this first Department of Radiation is relatively near this coupling conductive part, and this second Department of Radiation is relatively away from this coupling conductive part, and this coupling conductive part coupling produces one the 3rd frequency of operation of contiguous this second frequency of operation.
2. Conformable antenna structure as claimed in claim 1 is characterized in that, wherein this section of mechanism comprises a circuit board.
3. Conformable antenna structure as claimed in claim 1 is characterized in that, wherein this section of mechanism comprises a casing lock member, and this coupling conductive part is locked on this casing lock member.
4. Conformable antenna structure as claimed in claim 1 is characterized in that, wherein this section of mechanism comprises:
One circuit board, this chip-type antenna unit places on this circuit board;
One casing lock member, contiguous this chip-type antenna unit, this coupling conductive part is locked on this casing lock member.
5. Conformable antenna structure as claimed in claim 1 is characterized in that, wherein this section of mechanism comprises:
One circuit board has a casing lock member, and this coupling conductive part is locked on this casing lock member;
Wherein, this chip-type antenna unit places on this circuit board, and contiguous this casing lock member in this chip-type antenna unit.
6. Conformable antenna structure as claimed in claim 1 is characterized in that, wherein this first Department of Radiation has an impedance matching element.
7. Conformable antenna structure as claimed in claim 1 is characterized in that, wherein this chip is glass substrate or ceramic substrate.
8. Conformable antenna structure as claimed in claim 1 is characterized in that, wherein this preset distance is between 1 millimeter and 5 millimeters.
9. Conformable antenna structure as claimed in claim 1 is characterized in that, wherein this chip has a perforation, and this feed side of this first Department of Radiation connects a radio circuit by this perforation.
10. Conformable antenna structure as claimed in claim 1 is characterized in that, wherein this chip has a perforation, and this earth terminal of this second Department of Radiation is by the electrical ground connection of this perforation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220329503 CN202712409U (en) | 2012-07-09 | 2012-07-09 | Integrated antenna structure for wireless network devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220329503 CN202712409U (en) | 2012-07-09 | 2012-07-09 | Integrated antenna structure for wireless network devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202712409U true CN202712409U (en) | 2013-01-30 |
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ID=47592677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220329503 Expired - Fee Related CN202712409U (en) | 2012-07-09 | 2012-07-09 | Integrated antenna structure for wireless network devices |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202712409U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112864608A (en) * | 2019-11-28 | 2021-05-28 | 广达电脑股份有限公司 | Antenna structure |
-
2012
- 2012-07-09 CN CN 201220329503 patent/CN202712409U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112864608A (en) * | 2019-11-28 | 2021-05-28 | 广达电脑股份有限公司 | Antenna structure |
| CN112864608B (en) * | 2019-11-28 | 2023-12-12 | 广达电脑股份有限公司 | Antenna structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130130 Termination date: 20200709 |