CN2746564Y - Miniature wide-band ceiling antenna - Google Patents
Miniature wide-band ceiling antenna Download PDFInfo
- Publication number
- CN2746564Y CN2746564Y CN 200320128816 CN200320128816U CN2746564Y CN 2746564 Y CN2746564 Y CN 2746564Y CN 200320128816 CN200320128816 CN 200320128816 CN 200320128816 U CN200320128816 U CN 200320128816U CN 2746564 Y CN2746564 Y CN 2746564Y
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- China
- Prior art keywords
- base plate
- miniature wide
- oscillator
- radiant body
- utility
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- Expired - Fee Related
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Abstract
The utility model relates to a miniature wide-band ceiling antenna which has advantages of broad band, low standing wave, simple structure, small volume, high compatibility and beautiful appearance. The utility model is suitable to be installed indoors. The miniature wide-band ceiling antenna comprises an irradiator, a base board, an aerial housing and a coaxial connector. The irradiator is composed of a cylindrical oscillator at the upper part and a conical oscillator at the lower part. A short circuit sheet is connected between the both sides of the cylindrical oscillator and the base board. The dimension of the miniature wide-band ceiling antenna is phi 100-124mm*50-55mm. The band can reach 1710-2500MHz. The standing wave ratio is less than 1. 4. Compared with the similar ceiling antenna, the utility model obtains lower standing wave ratio, higher gain and more uniform horizontal radiation pattern via the small volume. The utility model can completely satisfy the requirements of indoor cover systems, such as, DCS, PHS, 3G, WLAN, etc.
Description
Technical field
The utility model relates to a kind of ceiling mount antenna, particularly a kind of broadband, low standing wave, simple in structure, volume is small and exquisite, consistency is high, aesthetic in appearance, be applicable to the miniature Wide-frequency antenna on ceiling of on indoor various ceilings, installing.
Background technology
At present, indoor covering systems such as DCS, PHS, 3G, WLAN are the important component parts of Modern Mobile Communications Systems, and miniature Wide-frequency antenna on ceiling wherein is indispensable device.Following intelligent ShangWu Building, exhibitions venue, senior house building all will need to install miniature Wide-frequency antenna on ceiling.In the place of these luxurious elegances, the trend of oriented miniature, the latent type development of antenna.
In order to allow the ceiling mount antenna of indoor covering system realize latent type, need to solve the size and the problem of appearance of antenna.Existing ceiling mount antenna radiant body has to adopt amounts to one pole, has to adopt single cone or reverse taper in conjunction with top capacity.The manufacturing process complexity of its antenna, the directional diagram of antenna is relatively poor in the deviation in roundness of horizontal plane, and the horizontal direction signal magnitude is inhomogeneous, thereby influences the uniformity of indoor covering.Particularly importantly size is too big, and external form is not attractive in appearance, and the antenna practicality is reduced.
Summary of the invention
The utility model be intended to provide a kind of broadband, low standing wave, simple in structure, volume is small and exquisite, consistency is high, the miniature Wide-frequency antenna on ceiling of aesthetic in appearance, suitable indoor installation.
Miniature Wide-frequency antenna on ceiling described in the utility model comprises radiant body, base plate, radome and coaxial connector.Radiant body is made up of the cylindrical shape oscillator on top and the awl oscillator of bottom.There is short-circuit piece to be connected between the both sides of cylindrical shape oscillator and the base plate.The bottom of radiant body is fixed on the center conductor of coaxial connector of base plate.
Miniature Wide-frequency antenna on ceiling described in the utility model, radome is a bowl-type, is fixed on the base plate.Equidistantly be connected to pillar between radome inwall and the base plate.
The total height of radiant body described in the utility model is 40～45mm.The cylindrical shape vibrator diameter of radiant body is Φ 50～54mm, highly is 18～23mm, and wall thickness is 0.2～3mm.The diameter of awl oscillator is Φ 50～54mm, and high 15～20mm, wall thickness are 0.2～3mm.The width of short-circuit piece is 4～8mm, and length is 43～48mm, and thickness is 0.2～3mm, and the angle between the base plate is 58 °～63 °.The diameter of base plate is Φ 100～140mm, and thickness is 0.2～3mm.The distance at radome and radiant body top is 0～15mm.
Miniature Wide-frequency antenna on ceiling frequency band described in the utility model reaches 1710～2500MHZ full frequency band, and standing-wave ratio is of a size of Φ 100～124mm * 50～55mm less than 1.4, is applicable to any ceiling.The standing-wave ratio lower, higher gain and more uniform horizontal directivity pattern have been realized with small and exquisite volume than similar ceiling mount antenna.The frequency band of this miniature Wide-frequency antenna on ceiling covered digital communication system DCS (1710～1880MHZ), Personal Handyphone System Personal Handyphone System(PHS) PHS (1850～1990MHZ), Universal Mobile Telecommunications System UMTS (1920～2170MHZ), 3G (1880～2200MHZ), also extend to WLAN (wireless local area network) WLAN (2400～2500MHZ).At above frequency band range, the standing-wave ratio of this miniature Wide-frequency antenna on ceiling still can satisfy the needs of covering system in many solariums fully less than 1.4.
Miniature Wide-frequency antenna on ceiling described in the utility model, improved the structure of radiant body, connected the circular columns oscillator on awl oscillator top, simultaneously between circular columns oscillator both sides and base plate, used short-circuit piece, improved the impedance matching performance effectively, with the small and exquisite bodily form effectively broadening the impedance bandwidth of antenna, further reduced standing-wave ratio, and can improve the deviation in roundness of the horizontal radiation pattern of antenna more than 50%.Make antenna reach the more performance effect, adopt the hood-like radome of bowl-type glass that matches with radiant body simultaneously, when making antenna shapes attractive in appearance, help further to reduce standing-wave ratio with simpler process structure.
Description of drawings
Fig. 1 is a cross-sectional view of the present utility model.
Fig. 2 is an outer cover schematic diagram of the present utility model.
Fig. 3 for the utility model not with the schematic perspective view of radome.
Fig. 4 for the utility model not with the front schematic view of radome
Embodiment
Miniature Wide-frequency antenna on ceiling described in the utility model is described further in conjunction with the accompanying drawings.
Embodiment 1: as shown in Figure 1, miniature Wide-frequency antenna on ceiling described in the utility model comprises radiant body (2,3,4), base plate 5 and radome 1.Radiant body is connected as a single entity by the cylindrical shape oscillator 2 on top and the awl oscillator 3 of bottom.The bottom of radiant body is fixed on flare nut 4 on the center conductor of coaxial connector of base plate 5, and the both sides of radiant body have two short-circuit pieces 6.Radome 1 is that bowl-type glass is hood-like, is fixed on the base plate 5.
Embodiment 2: as shown in Figure 2, miniature Wide-frequency antenna on ceiling described in the utility model comprises radome 1.Radome 1 is to adopt ornamental imitative suction top glass lamp shade.The skin of radome 1 adopts nicking, and inwall adopts horizontal circumferential stripes, and such texture structure makes the existing glass texture of radome, and is not exclusively transparent again.Equidistantly be connected to pillar between radome inwall and the base plate.
Miniature Wide-frequency antenna on ceiling described in the utility model, as shown in Figure 3, radiant body is connected as a single entity by the cylindrical shape oscillator 2 on top and the awl oscillator 3 of bottom, and the both sides of radiant body have two short-circuit pieces 6.
Miniature Wide-frequency antenna on ceiling described in the utility model, as shown in Figure 4, the bottom of radiant body is fixed on flare nut 4 on the center conductor of coaxial connector of base plate 5.
The total height of radiant body described in the utility model is 40～45mm.The cylindrical shape vibrator diameter of radiant body is Φ 50～54mm, highly is 18～23mm, and thickness is 0.2～3mm.The diameter of awl oscillator is Φ 50～54mm, and high 15～20mm, thickness are 0.2～3mm.The width of short-circuit piece is 4～8mm, and length is 43～48mm, thickness 0.2～3mm, and the angle between the base plate is 58 °～63 °.The diameter of base plate is Φ 100～140mm, and thickness is 0.2～3mm.The distance at radome and radiant body top is 0～15mm.
Above illustrated embodiment is the utility model for convenience of description only, and at technical scheme category described in the utility model, various simple deformation and modification that the person of ordinary skill in the field did all must be included in the above claim.
Claims (5)
1, a kind of miniature Wide-frequency antenna on ceiling, comprise radiant body, base plate 5 and radome 1, it is characterized in that: radiant body is connected as one by the cylindrical shape oscillator 2 on top and the awl oscillator 3 of bottom, the bottom of radiant body is fixed on by flare nut 4 on the center conductor of coaxial connector of base plate 5, and 2 short-circuit pieces 6 are arranged between cylindrical shape oscillator 2 and the base plate 5.
2, miniature Wide-frequency antenna on ceiling according to claim 1 is characterized in that: the skin of described radome 1 adopts nicking, and the horizontal circumferential stripes of inwall employing becomes bowl-type glass hood-like, and material adopts the transparent plastic of imitative glass, is fixed on the base plate 5.
3, miniature Wide-frequency antenna on ceiling according to claim 1 and 2 is characterized in that: equidistantly be connected to pillar between the inwall of described radome 1 and the base plate 5.
4, miniature Wide-frequency antenna on ceiling according to claim 1 is characterized in that: the total height of described radiant body is 40～45mm; The cylindrical shape vibrator diameter of radiant body is Φ 50～54mm, highly is 18～23mm, and wall thickness is 0.2～3mm; The diameter of awl oscillator is Φ 50～54mm, and high 15～20mm, wall thickness are 0.2～3mm; The diameter of base plate is Φ 100～140mm, and thickness is 0.2～3mm; The width of short-circuit piece 6 is 4～8mm, and length is 43～48mm, and thickness is 0.2～3mm, and the angle between the base plate is 58 °～63 °.
5, miniature Wide-frequency antenna on ceiling according to claim 3 is characterized in that: described radome 1 is 0～15mm with the horizontal range at cylindrical shape oscillator 2 tops of radiant body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320128816 CN2746564Y (en) | 2003-12-31 | 2003-12-31 | Miniature wide-band ceiling antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320128816 CN2746564Y (en) | 2003-12-31 | 2003-12-31 | Miniature wide-band ceiling antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2746564Y true CN2746564Y (en) | 2005-12-14 |
Family
ID=35583141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200320128816 Expired - Fee Related CN2746564Y (en) | 2003-12-31 | 2003-12-31 | Miniature wide-band ceiling antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2746564Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103117451A (en) * | 2013-03-04 | 2013-05-22 | 金明涛 | Ultra wide band antenna |
-
2003
- 2003-12-31 CN CN 200320128816 patent/CN2746564Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103117451A (en) * | 2013-03-04 | 2013-05-22 | 金明涛 | Ultra wide band antenna |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Chen Hui Document name: Notification to Pay the Fees |
|
| DD01 | Delivery of document by public notice |
Addressee: Chen Hui Document name: Notification of Termination of Patent Right |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20051214 Termination date: 20121231 |