CN201345415Y - Chip-type antenna - Google Patents
Chip-type antenna Download PDFInfo
- Publication number
- CN201345415Y CN201345415Y CNU2008201382499U CN200820138249U CN201345415Y CN 201345415 Y CN201345415 Y CN 201345415Y CN U2008201382499 U CNU2008201382499 U CN U2008201382499U CN 200820138249 U CN200820138249 U CN 200820138249U CN 201345415 Y CN201345415 Y CN 201345415Y
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- CN
- China
- Prior art keywords
- chip
- microstrip line
- shaped antenna
- electrode end
- circuit board
- 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 - Fee Related
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Abstract
The utility model provides a chip-type antenna, which comprises a main body with a first surface and a second surface, a microstrip line structure arranged on the first surface and on the second surface of the main body and at least one sheet metal arranged in the body and positioned between the first surface and the second surface; and the sheet metal are electrically connected with the microstrip line structure. The area of the sheet metal is almost the same with that of the first surface or the second surface of the main body, therefore, the sheet metal can greatly increase the radiating area of the chip-type antenna, and the chip-type antenna has larger frequency range and better electric characteristics.
Description
Technical field
The utility model relates to a kind of chip-shaped antenna, refers to a kind of chip-shaped antenna with sheet metal especially.
Background technology
Along with the fast development of wireless telecommunications industry, electronic product (for example mobile phone, personal digital assistant, mobile computer, sensor device etc.) mostly has the function that the wireless telecommunications of utilizing come transmission signals at present.And the equipment that wireless telecommunications are mainly launched with received signal is the antenna (antenna) that is installed on the electronic product.Therefore, along with the development of wireless telecommunications industry, the demand of antenna is also increasing.
For the cost of manufacture that reduces antenna itself and the designing requirement such as light, thin, short, little that meets electronic product, therefore but the electronic product of wireless telecommunications at present great majority adopt the less chip-shaped antenna (chip antenna) of a volume, replace the bigger traditional antenna of volume (as flagpole antenna).
General chip-shaped antenna, U.S. Patent number US7 for example, 136,021 Ceramic chipantenna that is proposed or U.S. Patent number US6,222, the 489 antenna device that propose, the external form of these chip-shaped antennas roughly is rendered as a square template body, and is formed by ceramic material.And these chip-shaped antennas are provided with a microstrip line that circles (micro strips) as radiant body, and this chip-shaped antenna is promptly launched by this microstrip line or received wireless signal.
Though chip-shaped antenna has the little advantage of volume, also because volume is less, so can around the limited length of microstrip line, therefore the swept area of chip-shaped antenna obviously comes for a short time than traditional antenna.Also therefore, the frequency range of chip-shaped antenna and little.And in order to improve this disappearance, part scholar, manufacturer etc. propose certain methods, for example change microstrip line around mode, make that chip-shaped antenna can be around the microstrip line of multi-turn more.Or as Taiwan patent announcement number 518801 antenna components that proposed and preparation method thereof, it allows the part microstrip line stretch out in outside the antenna, increases the total length of microstrip line whereby, increases the frequency range of antenna then.
Yet above-mentioned improvement method is limited for the increase of the length of microstrip line or swept area, so improve also limited for the frequency range of antenna.
The utility model content
The purpose of this utility model provides a kind of chip-shaped antenna, and it increases emission and the area that receives wireless signal by a sheet metal, makes the frequency range of this chip-shaped antenna therefore to increase.
For reaching above-mentioned purpose, the utility model proposes a kind of chip-shaped antenna, comprising: a body has a first surface and a second surface;
One microstrip line construction is arranged on the first surface and second surface of this body; And
At least one sheet metal is arranged in this body, and between this first surface and this second surface, this sheet metal electrically connects this microstrip line construction.
Compared with prior art, the utlity model has following beneficial effect:
The area of this sheet metal almost area with the first surface of this body or second surface is identical, so this sheet metal can significantly increase the swept area of this chip-shaped antenna, makes chip-shaped antenna that bigger frequency range and better electrical characteristic be arranged.
Description of drawings
Fig. 1 is the stereogram of the chip-shaped antenna of the utility model.
Fig. 2 is the stereogram at another visual angle of the chip-shaped antenna of the utility model.
Fig. 3 is the three-dimensional exploded view of the chip-shaped antenna of the utility model.
Fig. 4 is the vertical view of the chip-shaped antenna of the utility model.
Fig. 5 is that the chip-shaped antenna of the utility model is arranged at the schematic diagram on the second circuit board.
Fig. 6 is that the chip-shaped antenna of the utility model is arranged at another schematic diagram on the second circuit board.
Fig. 7 is the stereogram of second embodiment of the chip-shaped antenna of the utility model.
Fig. 8 is the three-dimensional exploded view of second embodiment of the chip-shaped antenna of the utility model.
Wherein,
10 chip-shaped antennas
11 bodies
110 first circuit boards
111 first surfaces
112 second surfaces
12 microstrip line constructions
121 first microstrip lines
122 second microstrip lines
123 connecting holes
13 sheet metals
20 second circuit boards
21 feed electrode ends
22 connection electrode ends
23 grounding electrode ends
24 metal levels
25 vias
30 coaxial wires
31 inner conductors
32 outer layer conductors
Embodiment
See also Fig. 1 to Figure 3 shows that chip-shaped antenna 10 of the present utility model, this chip-shaped antenna 10 comprises: a body 11, a microstrip line construction 12 and a sheet metal 13.
This body 11 is formed by stacking by three first circuit boards 110, the size of this body 11 is approximately: 1.6 millimeters of 5.4 millimeters of length, 4.5 millimeters of width and thickness, wherein two first circuit board 110 thickness than the top are 0.4 millimeter, and first circuit board 110 thickness of below are 0.8 millimeter.The material of this first circuit board 110 can be Flame Retardant 4 materials such as (FR-4).
Be the explanation after convenient, the upper surface of this body 11 is defined as a first surface 111, and the lower surface of body 11 is defined as a second surface 112, and this microstrip line construction 12 promptly is arranged on this first surface 111 and the second surface 112.13 of this sheet metals are arranged in this body 11, and are sandwiched in wherein between two first circuit boards 110, and the area of this sheet metal 13 is slightly less than the area of this first surface 111 or second surface 112.This sheet metal 13 electrically connects with this microstrip line construction 12, and both (this microstrip line construction 12 and this sheet metals 13) all are that metal material (for example copper) by a high conductance is made.Chip-shaped antenna 10 of the present utility model is launched as radiant body by this microstrip line construction 12 and this sheet metal 13 or is received wireless signal.
See also shown in Figure 4ly, below will be described in more detail this microstrip line construction 12.
This microstrip line construction 12 has a plurality of first microstrip lines 121, a plurality of second microstrip line 122 and a plurality of connecting hole 123.First microstrip line 121 is fixed on this first surface 111, does not directly link to each other between first microstrip line 121, but has one each other at interval.And the long limit L of first microstrip line 121 and body 11 vertical (angle is 90 degree).
And second microstrip line 122 is fixed on this second surface 112, also do not have each other directly to link to each other, and the long limit L of second microstrip line 122 and this body 11 has the angles less than 90 degree.From vertical view (Fig. 4), each second microstrip line 122 is except two ends, and remainder does not all have with first microstrip line 121 overlapping.
Connecting hole 123 respectively is arranged at the two ends of each first microstrip line 121, and the diameter of connecting hole 123 is greater than the live width of first microstrip line 121.Each connecting hole 123 all runs through this body 11 and is connected to an end of the second corresponding microstrip line 122.Owing to be coated with a metal (figure slightly) in the connecting hole 123, so connecting hole 123 also can transmit the signal of telecommunication, makes the microstrip line 121 of winning produce electric connections with second microstrip line 122.And the most last (lower right) connecting hole 123 is when running through this body 11, and related this sheet metal 13 that runs through makes sheet metal 13 contact with this connecting hole 123 and produces electric connection.
Another characteristics of connecting hole 123 are: by vertical view (Fig. 4), two adjacent connecting holes 123 there is no and are positioned on the same upright position.Refer to that just connecting hole 123 is for arranging alternately.These characteristics can allow first microstrip line 121 or second microstrip line 122 more be closely aligned, and increase the number of first microstrip line 121 or second microstrip line 122.
Above-mentioned is the feature description of this microstrip line construction 12, will illustrate below how chip-shaped antenna 10 of the present utility model is launched and received wireless signal.Chip-shaped antenna 10 of the present utility model is by first microstrip line 121, second microstrip line 122 and sheet metal 13 are launched as radiant body and are received wireless signal, the most preceding (lower left) connecting hole 123 is the load point (feed point) of this chip-shaped antenna 10, the signal of desire emission can be thus connected the input of 123 places, hole, signal is passed to the most preceding first microstrip line 121 by the most preceding (Far Left) second microstrip line 122 then, the most preceding first microstrip line 121 is passed to 122, the second second microstrip lines 122 of second second microstrip line again and is passed to second first microstrip line 121 again.
Signal can be in regular turn in first microstrip line 121 and 122 transmission of second microstrip line, when signal is passed to the most last second microstrip line 122, is passed to the most last (lower right) connecting hole 123 via the connection electrode end 22 of second circuit board 20 described later (as Fig. 5) again and is passed in the sheet metal 13.Signal promptly can produce radio wave in the process of this transmission.Otherwise when first microstrip line 121, second microstrip line 122 and sheet metal 13 receive wireless signal, the signal that receives will be passed to load point, export other electronic building brick (figure slightly) to by load point then.This bottom-right connecting hole 123 and top-right connecting hole 123 also can directly connect with second microstrip line 122 (figure slightly), and then signal does not need can be passed in the sheet metal 13 via connection electrode end 22.
Chip-shaped antenna 10 of the present utility model has significantly increased the swept area of emission and reception wireless signal by in the setting of sheet metal 13, and therefore the frequency range of chip-shaped antenna 10 of the present utility model can increase significantly.And, can adjust required frequency range and field pattern easily by changing the shape of sheet metal 13.In addition, chip-shaped antenna 10 of the present utility model is the circularly polarized antenna, can produce the field pattern of omni-directional (omni-direction).
See also Fig. 5 and Fig. 6, will illustrate below how chip-shaped antenna 10 of the present utility model is arranged on the second circuit board 20, and how to electrically connect with second circuit board 20.
This second circuit board 20 has a feed electrode end 21, a connection electrode end 22, a grounding electrode end 23, a metal level 24 and two vias 25, and the metal in this feed electrode end 21, connection electrode end 22, grounding electrode end 23, metal level 24 and the via 25 all is the metal material (for example copper) of a high conductance.This feed electrode end 21, connection electrode end 22, grounding electrode end 23 are arranged at the upper surface of this second circuit board 20, this grounding electrode end 23 is positioned at the high order end of second circuit board 20, this connection electrode end 22 is positioned at the low order end of second circuit board 20, then between connection electrode end 22 and grounding electrode end 23, the three has one at interval to feed electrode end 21 each other.This metal level 24 is arranged at the lower surface of this second circuit board 20, and the area of this metal level 24 is the same with the area of second circuit board 20 lower surfaces.These two vias 25 are arranged at the upper surface of second circuit board 20, and respectively be arranged at the upper right corner and the lower right corner of this grounding electrode end 23, these two vias 25 run through this second circuit board 20 and are connected to this metal level 24, and scribble layer of metal (figure slightly) in these two vias 25, so this grounding electrode end 23 produces electric connection with metal level 24 mutual conductings.
When this chip-shaped antenna 10 is arranged on the second circuit board 20, the second surface 112 of chip-shaped antenna 10 is toward the upper surface of this second circuit board 20, the most preceding (lower left) connecting hole 123 (load point) is welded on this feed electrode end 21 and produces with feed electrode end 21 and to electrically connect, and the most last (lower right) connecting hole 123 and 123 of penult (upper right side) connecting holes are welded on this connection electrode end 22 and produce with connection electrode end 22 and to electrically connect.This connection electrode end 22 also can transmit signal, and signal is passed to lower right connecting hole 123 by upper right side connecting hole 123.Like this, signal can input to chip-shaped antenna 10 by feed electrode end 21 and launch into radio wave then, or after chip-shaped antenna 10 receives wireless signal, by 21 outputs of feed electrode end.
This second circuit board 20 is connected with a coaxial cable line 30 in addition, and coaxial wire 30 has an inner conductor (inner conductor) 31 and one outer layer conductor (outer conductor) 32, and this inner conductor 31 is positioned at this outer layer conductor 32.This inner conductor 31 connects and is welded in to this feed electrode end 21, and this outer layer conductor 32 connects and is soldered on this grounding electrode end 23.This coaxial wire 30 can transmit a signal to feed electrode end 21, or by feed electrode end 21 receptions one signal, and this coaxial wire 30 is located as ground connection with this grounding electrode end 23 and metal level 24, this metal level 24 has significantly increased contact area, therefore can allow the antenna efficiency of this chip-shaped antenna 10 increase.
See also Fig. 7 and Fig. 8, chip-shaped antenna 10 of the present utility model has one second embodiment in addition, and this second embodiment and the first embodiment difference are: two sheet metals 13 are arranged in this body 11.Accompany a sheet metal 13 between per two first circuit boards 110, and the most last (lower right) connecting hole 123 runs through this two sheet metals 13, and electrically connect with these two sheet metals 13.By increasing a sheet metal 13 again, can make these chip-shaped antenna 10 swept areas more increase, and then make this chip-shaped antenna 10 that bigger frequency range and better electrical characteristic be arranged.
In addition, chip-shaped antenna 10 of the present utility model has more one the 3rd embodiment (figure slightly), the 3rd embodiment and first and second embodiment difference are: except the most last connecting hole 123 and sheet metal 13 electrically connect, remaining connecting hole 123 also can electrically connect with sheet metal 13, increases the radiation frequency of this chip-shaped antenna 10 whereby.
Comprehensively above-mentioned, chip-shaped antenna 10 of the present utility model has following characteristics:
1, allows chip-shaped antenna 10 of the present utility model increase swept area significantly by this sheet metal 13, make chip-shaped antenna 10 of the present utility model have bigger frequency range and reach electrical characteristic, radiation efficiency etc. preferably.
2, the size of chip-shaped antenna 10 of the present utility model is small, is suitable in the less electronic product of volume.
The above only is a preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (12)
1. a chip-shaped antenna is characterized in that, comprising:
One body has a first surface and a second surface;
One microstrip line construction is arranged on the first surface and second surface of this body; And
At least one sheet metal is arranged in this body, and between this first surface and this second surface, this sheet metal electrically connects this microstrip line construction.
2. chip-shaped antenna as claimed in claim 1, it is characterized in that, this microstrip line construction has a plurality of first microstrip lines, a plurality of second microstrip line and a plurality of connecting hole, described first microstrip line is fixed on this first surface, described second microstrip line is fixed on this second surface, described connecting hole is communicated with the first surface and the second surface of this body, and described first microstrip line electrically connects at least one this second microstrip line by at least one this connecting hole.
3. chip-shaped antenna as claimed in claim 2 is characterized in that, at least one this connecting hole electrically connects at least one this sheet metal.
4. chip-shaped antenna as claimed in claim 2 is characterized in that, this connecting hole of least significant end electrically connects at least one this sheet metal.
5. chip-shaped antenna as claimed in claim 2 is characterized in that, described connecting hole presents alternately to be arranged.
6. chip-shaped antenna as claimed in claim 2 is characterized in that, is arranged on the circuit board.
7. chip-shaped antenna as claimed in claim 6 is characterized in that, this circuit board has a feed electrode end, and this feed electrode end is positioned at this circuit board upper surface, and this microstrip line construction electrically connects this feed electrode end.
8. chip-shaped antenna as claimed in claim 7 is characterized in that, this connecting hole foremost electrically connects this feed electrode end.
9. chip-shaped antenna as claimed in claim 6 is characterized in that, this circuit board has a connection electrode end, and this connection electrode end is positioned at this circuit board upper surface, and this microstrip line construction electrically connects this connection electrode end.
10. chip-shaped antenna as claimed in claim 9 is characterized in that, this connecting hole of least significant end electrically connects this connection electrode end.
11. chip-shaped antenna as claimed in claim 7 is characterized in that, this circuit board has a grounding electrode end, and this grounding electrode end is positioned at this circuit board upper surface, and a coaxial cable line is electrically connected to feed electrode end and this grounding electrode end of this circuit board.
12. chip-shaped antenna as claimed in claim 11 is characterized in that, this circuit board has a metal level and at least one via, and this metal level is arranged at the lower surface of this circuit board, and this at least one via is communicated with this grounding electrode end and this metal level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201382499U CN201345415Y (en) | 2008-10-16 | 2008-10-16 | Chip-type antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201382499U CN201345415Y (en) | 2008-10-16 | 2008-10-16 | Chip-type antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201345415Y true CN201345415Y (en) | 2009-11-11 |
Family
ID=41276998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201382499U Expired - Fee Related CN201345415Y (en) | 2008-10-16 | 2008-10-16 | Chip-type antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201345415Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102800938A (en) * | 2011-05-31 | 2012-11-28 | 深圳光启高等理工研究院 | Antenna and multiple input multiple output (MIMO) antenna with same |
| CN107994342A (en) * | 2017-11-24 | 2018-05-04 | 深圳市盛路物联通讯技术有限公司 | Chip-type antenna |
| CN108879083A (en) * | 2017-05-09 | 2018-11-23 | 昌泽科技有限公司 | The production method of chip signal element |
-
2008
- 2008-10-16 CN CNU2008201382499U patent/CN201345415Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102800938A (en) * | 2011-05-31 | 2012-11-28 | 深圳光启高等理工研究院 | Antenna and multiple input multiple output (MIMO) antenna with same |
| CN108879083A (en) * | 2017-05-09 | 2018-11-23 | 昌泽科技有限公司 | The production method of chip signal element |
| CN107994342A (en) * | 2017-11-24 | 2018-05-04 | 深圳市盛路物联通讯技术有限公司 | Chip-type antenna |
| CN107994342B (en) * | 2017-11-24 | 2021-01-26 | 深圳市盛路物联通讯技术有限公司 | Chip type antenna |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091111 Termination date: 20111016 |