CN215299501U - Low-profile UHF omnidirectional antenna - Google Patents
Low-profile UHF omnidirectional antenna Download PDFInfo
- Publication number
- CN215299501U CN215299501U CN202121563082.2U CN202121563082U CN215299501U CN 215299501 U CN215299501 U CN 215299501U CN 202121563082 U CN202121563082 U CN 202121563082U CN 215299501 U CN215299501 U CN 215299501U
- Authority
- CN
- China
- Prior art keywords
- omnidirectional antenna
- oscillator
- plate
- reflecting plate
- low
- 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.)
- Active
Links
Images
Abstract
The utility model relates to a low section UHF omnidirectional antenna, including the reflecting plate, the top of reflecting plate is fixed with the oscillator through the backup pad, and the oscillator adopts two metal sheets that I shape structure and oscillator set up including the symmetry and connects the connecting plate of two metal sheets, backup pad, metal sheet, connecting plate integrated into one piece, and the end that the reflecting plate was kept away from to the backup pad is connected with the connecting plate, is connected with the cable on the oscillator. The beneficial effects are as follows: simple structure, low cost and miniaturization.
Description
Technical Field
The utility model belongs to the technical field of antenna communication equipment technique and specifically relates to a low section UHF omnidirectional antenna is related to.
Background
An antenna is a transducer that converts a guided wave propagating on a transmission line into an electromagnetic wave propagating in an unbounded medium (usually free space) or vice versa. A component for transmitting or receiving electromagnetic waves in a radio device. Engineering systems such as radio communication, broadcasting, television, radar, navigation, electronic countermeasure, remote sensing, radio astronomy and the like all use electromagnetic waves to transmit information and work by depending on antennas. In a high frequency band, the UHF omnidirectional antenna is widely used, and chinese patent 201821545684.3 discloses a UHF ultra-wideband high-performance omnidirectional vehicle-mounted antenna, which includes a bottom plate, a radio frequency connector and a radiation unit, wherein the radiation unit includes two cross radiation plates, and the two radiation plates are vertically and fixedly arranged on the bottom plate; and one end of each radiation plate close to the bottom plate is provided with a chamfer, a parasitic tuning sheet is led out from the chamfer to one side of the bottom plate, and an inner core of the radio frequency connector penetrates through the bottom plate to be connected with the bottom feeds of the two radiation plates. The utility model discloses a can increase electric length, tuning antenna reactance. However, the utility model has a complex structure and high cost.
SUMMERY OF THE UTILITY MODEL
The to-be-solved problem of the utility model is to provide a low section UHF omnidirectional antenna of simple structure, with low costs, miniaturization.
In order to solve the technical problem, the utility model discloses a technical scheme is: the low-profile UHF omnidirectional antenna comprises a reflecting plate and is characterized in that a vibrator is fixed at the top of the reflecting plate through a supporting plate, the vibrator is of an I-shaped structure and comprises two metal plates which are symmetrically arranged and a connecting plate which is used for connecting the two metal plates, the supporting plate, the metal plates and the connecting plate are integrally formed, the end, far away from the reflecting plate, of the supporting plate is connected with the connecting plate, and a cable is connected to the vibrator.
Preferably, the low-profile UHF omnidirectional antenna described above, wherein the element is arranged parallel to the reflector plate.
Preferably, the low-profile UHF omnidirectional antenna described above, wherein the support plate is removably attached to the reflector plate.
Preferably, the low profile UHF omnidirectional antenna described above, wherein said cable is connected to said connection board.
Preferably, the low-profile UHF omnidirectional antenna described above, wherein the reflector plate is an aluminum plate.
Preferably, the low-profile UHF omnidirectional antenna described above, wherein said reflector plate is a circular structure.
The technical effects of the utility model are mainly embodied in that:
(1) the antenna is designed by adopting a plane technology, so that the 400MHz UHF frequency band omnidirectional antenna has the advantages of low overall height, simple structure and low cost;
(2) the antenna adopts a miniaturization technology, and the maximum plane size of the antenna radiation unit is far smaller than 1/4 wavelengths;
(3) the antenna oscillator is of a symmetrical PIFA structure and has an excellent horizontal plane out-of-roundness index.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of FIG. 1;
fig. 3 is a right side view of fig. 2.
Detailed Description
As shown in fig. 1, 2 and 3, a low-profile UHF omnidirectional antenna comprises a reflection plate 1, wherein the reflection plate 1 in the present invention is an aluminum plate, and the reflection plate 1 is a circular structure as a whole. Wherein the top of reflecting plate 1 is fixed with oscillator 3 through backup pad 2, wherein the utility model provides an oscillator 3 and reflecting plate 1 parallel arrangement. The oscillator 3 adopts I-shaped structure and oscillator 3 including two metal sheets 31 that the symmetry set up and connect the connecting plate 32 of two metal sheets 31, backup pad 2, metal sheet 31, connecting plate 32 integrated into one piece, and backup pad 2 is kept away from the end of reflecting plate 1 and is connected with connecting plate 32, is connected with cable 4 on the oscillator 3, and is concrete, and cable 4 is connected with connecting plate 32.
The utility model provides a backup pad 2 adopts the screw can dismantle with reflecting plate 1 and is connected.
The technical effects of the utility model are mainly embodied in that:
(1) the antenna is designed by adopting a plane technology, and the whole height of the 400MHz UHF frequency band omnidirectional antenna is low;
(2) the antenna adopts a miniaturization technology, and the maximum plane size of the antenna radiation unit is far smaller than 1/4 wavelengths;
(3) the antenna oscillator is of a symmetrical PIFA structure and has an excellent horizontal plane out-of-roundness index.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A low-profile UHF omnidirectional antenna comprises a reflecting plate, and is characterized in that: the top of reflecting plate is fixed with the oscillator through the backup pad, the oscillator adopts I shape structure just the oscillator is including two metal sheets that the symmetry set up and connect two the connecting plate of metal sheet, backup pad, metal sheet, connecting plate integrated into one piece, the backup pad is kept away from the end of reflecting plate with the connecting plate is connected, be connected with the cable on the oscillator.
2. The low profile UHF omnidirectional antenna of claim 1, wherein: the oscillator and the reflecting plate are arranged in parallel.
3. The low profile UHF omnidirectional antenna of claim 1 or 2, wherein: the supporting plate is detachably connected with the reflecting plate.
4. The low profile UHF omnidirectional antenna of claim 1 or 2, wherein: the cable is connected with the connecting plate.
5. The low profile UHF omnidirectional antenna of claim 1 or 2, wherein: the reflecting plate is an aluminum plate.
6. The low profile UHF omnidirectional antenna of claim 1 or 2, wherein: the reflecting plate is of a circular structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121563082.2U CN215299501U (en) | 2021-07-10 | 2021-07-10 | Low-profile UHF omnidirectional antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121563082.2U CN215299501U (en) | 2021-07-10 | 2021-07-10 | Low-profile UHF omnidirectional antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215299501U true CN215299501U (en) | 2021-12-24 |
Family
ID=79521709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121563082.2U Active CN215299501U (en) | 2021-07-10 | 2021-07-10 | Low-profile UHF omnidirectional antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215299501U (en) |
-
2021
- 2021-07-10 CN CN202121563082.2U patent/CN215299501U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9653794B2 (en) | Broadband antenna and wireless communication device employing same | |
| CN102868017A (en) | Radiation device and array antenna based on same | |
| CN203434279U (en) | Multi-frequency antenna and portable electronic device | |
| CN201498596U (en) | multi-frequency antenna | |
| CN103457036A (en) | Two-channel wideband antenna | |
| CN205122754U (en) | Four miniaturized unit dual -frenquency MIMO antennas | |
| CN215299501U (en) | Low-profile UHF omnidirectional antenna | |
| CN101719590A (en) | Monopole antenna and mobile communication device with same | |
| CN101997162A (en) | Multi-frequency antenna | |
| CN103972649A (en) | Antenna assembly and wireless communication device with same | |
| CN101740868A (en) | Single-polarization antenna | |
| CN215119256U (en) | Ultra-wideband antenna array | |
| CN204407471U (en) | Novel 4G external antenna structure | |
| CN202333122U (en) | Broadband dual-polarized radiation unit | |
| CN101882707B (en) | Electronic equipment and multi-frequency antenna thereon | |
| CN101546862A (en) | Micro-strip antenna | |
| CN209896262U (en) | Small-size high-gain antenna | |
| CN203013908U (en) | Magnetic-coupled coaxial waveguide converter | |
| CN212136684U (en) | Full-band route antenna | |
| CN202189891U (en) | Four-band printed antenna | |
| CN107508041B (en) | Integrated Omnidirectional Antenna | |
| CN106878502B (en) | Circuit board structure, antenna device and mobile terminal | |
| CN209896251U (en) | High-gain 5G array antenna | |
| CN212136685U (en) | Onboard PCB monitoring antenna | |
| CN220797075U (en) | Built-in mobile phone antenna structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |