CN2648620Y - Small size antenna unit - Google Patents
Small size antenna unit Download PDFInfo
- Publication number
- CN2648620Y CN2648620Y CN 03226536 CN03226536U CN2648620Y CN 2648620 Y CN2648620 Y CN 2648620Y CN 03226536 CN03226536 CN 03226536 CN 03226536 U CN03226536 U CN 03226536U CN 2648620 Y CN2648620 Y CN 2648620Y
- Authority
- CN
- China
- Prior art keywords
- radiating element
- small size
- metal reflector
- solid metal
- shape
- 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
Links
Images
Landscapes
- Aerials With Secondary Devices (AREA)
Abstract
The utility model provides a small size antenna unit that is used for mobile communication and can work at 806-960 MHz frequency bands (covering frequency bands of CDMA 800MHz, GSM 900 MHz, etc.). The utility model contains a radiation unit part, a feed converter part and a metal reflector. The radiation unit is bent into two mutual-vertical rectangular planes from a rectangular metal sheet and takes a shape of an inverted 'L', and the upper plane that is in the inverted 'L' shape is arranged in parallel with the metal reflector and the lower edge of the vertical plate that is in the inverted 'L' shape is in short connection with the metal reflector. The feed converter is formed by processing a metal column, wherein, one end of the metal column is connected on the upper plane of the radiation unit and the other end is connected with a coaxial conversion joint and an external communicating part by a coaxial cable that is with a coaxial joint. The utility model is characterized by small size, beautiful appearance, being cheap and convenient to install and use.
Description
[technical field]
The utility model relates to a kind of small size antenna element, refers to be used for the indoor wall aerial of small size of mobile communication indoor covering system especially.
[background technology]
In the information age of today, interpersonal distance has been shortened in the development of communication.The development of mobile communication is at a tremendous pace especially, and explosive growth appears in traffic carrying capacity and number of users year after year.With regard to the present present situation of China Mobile, two maximum operator---China Mobile and CHINAUNICOM is according to the requirement of business development, constantly in dilatation and the scope that increases covering.Its measure is: increase on the one hand the capacity of existing base station and at the number of outdoor increase base station and repeater, on the other hand, strengthen the dynamics of " mending blind " in the service area.There are many " blind areas " in the service area, such as: hotel, office building, market place builet below the ground, parking lot, tunnel, subway, station, harbour, airport or the like can be found everywhere.Because the continuous expansion of power system capacity is adopted microcellulor and Pico cell technology in the compact district, down town, makes the quantity of indoor " blind area " roll up.Operator adopts the form of indoor covering communication system, less investment, instant effect usually for improving the service quality of indoor " blind area ".
" domestic aerial " is the critical component of mobile communication indoor covering system, has broad application prospects.Wall aerial is exactly wherein a kind of.
Conventional wall aerial adopts traditional half-wave dipole to realize, if adopting half-wave dipole realizes, the length of half-wave dipole is generally 1/2nd of operating frequency of antenna wavelength, the distance of half-wave dipole and solid metal reflector generally is designed to 1/4th of antenna operation wavelength, and under the situation of 960MHz, the height of antenna is about 80mm at similar 806MHz for this, length is about 160mm, so, it is very big that the height dimension of antenna just seems, operator is beyond affordability in appearance.
[summary of the invention]
In order to improve the shortcoming of prior art, a purpose of the present utility model provides a kind of small size antenna element that is used for the mobile communication indoor covering system, can be used for the communication purposes of frequency ranges such as CDMA800MHz, GSM900MHz.
Another purpose of the present utility model provides a kind of small size wall-mounted antenna unit that is used for the mobile communication indoor covering system, its compact size, good looking appearance, and index function admirables such as standing-wave ratio and directional diagram are cheap and easy to install.
In order to achieve the above object, the utility model is achieved in that provides a kind of small size antenna element that is used for mobile communication, can work in 806-960MHz (covering frequency ranges such as CDMA800MHz, GSM900MHz), it is characterized in that forming: a radiating element part by following each several part, a feed transducer part, a solid metal reflector.
Described radiating element is bent into orthogonal two rectangle planes by a rectangular metal sheet, be down " L " shape, the last plane parallel of " L " shape is arranged in described solid metal reflector, and the lower limb on the upright plane of " L " shape is connected with described solid metal reflector short circuit;
Described feed transducer adopts metal column to process, described feed transducer one terminal shortcircuit is connected on the last plane of described radiating element, the other end of described feed transducer links to each other with coaxial crossover sub, and links to each other with the PERCOM peripheral communication parts by the coaxial cable of band coaxial fitting.
The length and width on the last plane of described radiating element is about 1/4th of centre frequency wavelength, the one side on the last plane of described radiating element is connected with described solid metal reflector short circuit by the upright plane of described radiating element, the last plane of described radiating element and the distance of solid metal reflector are about 1/10th of central task frequency wavelength, and can there be the fluting seam of one " U " shape on the last plane of described radiating element in position to realize best matching effect.
Described feed transducer is a metal column, the diameter of the metal column of described feed transducer can be ignored with respect to the operation wavelength of antenna, one terminal shortcircuit of described feed transducer is connected on the last plane of described radiating element, and the other end of described feed transducer links to each other with coaxial crossover sub.
" U " shape fluting seam on the last plane of described radiating element can be optimized and revised size or delete to realize best matching effect.
Described solid metal reflector is a metallic plate, and its length and width is approximately 1/2nd of central task frequency wavelength, and the thickness of metallic plate can be ignored with respect to the operation wavelength of antenna.
Allow certain flange around the described solid metal reflector, and flange height all around and shape can be different.
Can add matching network between described feed conversion portion and the coaxial fitting to realize best matching effect.
The utility model provides a kind of small size wall-mounted antenna unit that is used for the mobile communication indoor covering system, the communication purposes that can be used for a plurality of different operation frequency bands such as CDMA, GSM, index function admirables such as compact size, good looking appearance and standing-wave ratio and directional diagram, characteristics cheap and easy to install.
Below in conjunction with drawings and the specific embodiments the utility model is further described in more detail:
[drawing explanation]
Fig. 1 is a three-dimensional structure schematic diagram of the present utility model.
Fig. 2 is an end view of the present utility model.
Should note the identical reference number composed component identical that use in the accompanying drawings with symbolic representation.
[embodiment]
See also Fig. 1, shown in Figure 2, a preferred embodiment of the present utility model adopts following steps to be achieved: 02 is antenna radiation unit; 12 is the last plane of antenna radiation unit; 22 is the upright plane of antenna radiation unit; 32 is the short dot of antenna radiation unit and solid metal reflector; 42 is the fluting seam on the wide plane of antenna radiation unit; 03 is the feed transducer; Radiating element places the place ahead of solid metal reflector 01.
The last plane 12 of radiating element and upright plane 22 are two planes of " L " shape radiating element, the last plane 12 of radiating element is parallel to solid metal reflector 01 to be arranged, and the upright plane of radiating element is vertical with solid metal reflector and the lower limb on upright plane is connected with the solid metal reflector short circuit.One terminal shortcircuit of feed transducer 03 is connected to the center on the last plane 12 of radiating element, and the other end is connected with the inner wire of coaxial conversion head 04.
The length and width L1 on the last plane of radiating element, W1 are designed to about 1/4th of central task frequency wavelength.The length and width L0 of solid metal reflector, W0 are designed to about 1/2nd of central task frequency wavelength; The distance of plane and solid metal reflector is about 1/10th of a central task frequency wavelength on the radiating element.
The length L 2 of fluting on the last plane of radiating element seam is designed to about 1/3rd of plane length L 1 on the radiating element, the width W 2 of fluting on the last plane of radiating element seam is designed to about 1/2nd of plane width W1 on the radiating element, and the gap width W3 of fluting seam is designed to 5mm.The fluting on plane seam size L2 on the radiating element, W2, W3 can adjust and optimize by microwave CAD software, and final is purpose with the wideband impedance match effect that realizes the best.
So,,, adjust the size of radiating element fluting seam, adjust the height of length, width and the peripheral flanging of solid metal reflector, finally can realize best wideband impedance match effect by adjusting the length and the width of radiating element according to above-mentioned design principle.
By the indoor wall aerial sample that this embodiment constitutes, in a plurality of wave bands, form the pattern characteristics of directed radiation, its actual measurement gain is about 4dBi, and the coverage property in preceding spatial domain is fine, and corresponding maximum standing-wave ratio is less than 1.4.
This embodiment can satisfy the requirement of mobile communication system well, and size is little, good looking appearance.
Find out to have simple and compact for structure and high performance advantage easily, and be easy to make, cheaply and conveniently install and use according to this antenna of the utility model manufacturing.
As mentioned above, although represented and described the utility model with reference to specific preferred embodiment, but it shall not be construed as the restriction to the utility model self, those skilled in the art should be understood that, under the prerequisite of the spirit and scope of the present utility model that do not break away from the claims definition, can make various variations in the form and details to it.Appending claims has covered all such changes and modifications in the utility model spirit and scope.
Claims (6)
1, a kind of small size antenna element can work in 806-960MHz (covering frequency ranges such as CDMA800MHz, GSM900MHz) frequency range, it is characterized in that being made up of following each several part:
A radiating element part;
A feed transducer part;
A solid metal reflector;
Described radiating element is bent into orthogonal two rectangle planes by a rectangular metal sheet, be down " L " shape, the last plane parallel of " L " shape is arranged in described solid metal reflector, and the lower limb on the upright plane of " L " shape is connected with described solid metal reflector short circuit;
Described feed transducer adopts metal column to process, described feed transducer one terminal shortcircuit is connected on the last plane of described radiating element, the other end of described feed transducer links to each other with coaxial crossover sub, and links to each other with the PERCOM peripheral communication parts by the coaxial cable of band coaxial fitting.
2, small size antenna element according to claim 1, it is characterized in that: the length and width on the last plane of described radiating element is about 1/4th of centre frequency wavelength, the one side on the last plane of described radiating element is connected with described solid metal reflector short circuit by the upright plane of described radiating element, the last plane of described radiating element and the distance of solid metal reflector are about 1/10th of central task frequency wavelength, and can there be the fluting seam of one " U " shape on the last plane of described radiating element in position to realize best matching effect.
3, small size antenna element according to claim 1, it is characterized in that: described feed transducer is a metal column, the diameter of the metal column of described feed transducer can be ignored with respect to the operation wavelength of antenna, one terminal shortcircuit of described feed transducer is connected on the last plane of described radiating element, and the other end of described feed transducer links to each other with coaxial crossover sub.
4, small size antenna element according to claim 1, it is characterized in that: described solid metal reflector is a metallic plate, its length and width is approximately 1/2nd of central task frequency wavelength, and the thickness of metallic plate can be ignored with respect to the operation wavelength of antenna.
5, small size antenna element according to claim 1 is characterized in that: allow certain flange around the described solid metal reflector, and flange height all around and shape can be different.
6, small size antenna element according to claim 1 is characterized in that: additional between described feed conversion portion and the coaxial fitting have matching network to realize best matching effect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03226536 CN2648620Y (en) | 2003-05-28 | 2003-05-28 | Small size antenna unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03226536 CN2648620Y (en) | 2003-05-28 | 2003-05-28 | Small size antenna unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2648620Y true CN2648620Y (en) | 2004-10-13 |
Family
ID=34326026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03226536 Expired - Lifetime CN2648620Y (en) | 2003-05-28 | 2003-05-28 | Small size antenna unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2648620Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102780075A (en) * | 2012-07-05 | 2012-11-14 | 摩比天线技术（深圳）有限公司 | Micro base station antenna |
| CN103579777A (en) * | 2012-07-25 | 2014-02-12 | 泰科电子公司 | Multi-element omni-directional antenna |
| CN107230829A (en) * | 2017-05-10 | 2017-10-03 | 深圳大学 | A kind of magnetoelectricity dipole filter antenna |
-
2003
- 2003-05-28 CN CN 03226536 patent/CN2648620Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102780075A (en) * | 2012-07-05 | 2012-11-14 | 摩比天线技术（深圳）有限公司 | Micro base station antenna |
| CN103579777A (en) * | 2012-07-25 | 2014-02-12 | 泰科电子公司 | Multi-element omni-directional antenna |
| CN103579777B (en) * | 2012-07-25 | 2019-10-25 | 泰连公司 | Multi-element omni-directional antenna |
| CN107230829A (en) * | 2017-05-10 | 2017-10-03 | 深圳大学 | A kind of magnetoelectricity dipole filter antenna |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1901278A (en) | Plane inverse F type antenna and its producing method | |
| EP2490296A1 (en) | Indoor ceiling-mount omnidirectional antenna and method for manufacturing the same | |
| CN103390795B (en) | A kind of directional diagram has the antenna of multiple restructural characteristic | |
| CN207082635U (en) | Double-frequency broadband butterfly shaped plane antenna | |
| CN100463289C (en) | Plane helical microstrip antenna for 3G system mobile terminal | |
| CN208272130U (en) | A kind of cascaded structure broadband dual-frequency dipole antenna for base station | |
| CN1870351A (en) | Multifrequency antenna | |
| CN1925222A (en) | Directional diagram reconstructable microstrip aerial having Koch form-dividing paster | |
| CN108493588A (en) | Indoor base station and its PIFA antennas | |
| CN2648620Y (en) | Small size antenna unit | |
| CN100555744C (en) | Antenna and impedance matching methods thereof | |
| CN2651948Y (en) | Wide-frequency band antenna unit | |
| CN101710652B (en) | Integrated wide-band bilateral radiating antenna | |
| CN2689486Y (en) | Antenna of radiating array telecommunicating base station with high-power microwave | |
| CN2872621Y (en) | Double-frequency antenna | |
| CN101540431B (en) | Multi-frequency antenna | |
| CN2632872Y (en) | Wide-frequency antenna on ceiling | |
| CN2669385Y (en) | Wide-frequency directional ceiling antenna | |
| CN2879573Y (en) | Double frequency-band antenna and its matching device | |
| CN204289699U (en) | A kind of wide-band slot antenna | |
| CN115020984A (en) | Ultra-wideband ternary antenna array | |
| CN107634341A (en) | Double-frequency broadband butterfly shaped plane antenna | |
| CN1635663A (en) | Multi-frequency antenna | |
| CN2533634Y (en) | Broadband microstrip patch antenna | |
| CN2529478Y (en) | Multi-band indoor suspension antenna for mobile communication |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20130528 Granted publication date: 20041013 |