CN211578943U - Radio frequency identification antenna - Google Patents
Radio frequency identification antenna Download PDFInfo
- Publication number
- CN211578943U CN211578943U CN202020219795.6U CN202020219795U CN211578943U CN 211578943 U CN211578943 U CN 211578943U CN 202020219795 U CN202020219795 U CN 202020219795U CN 211578943 U CN211578943 U CN 211578943U
- Authority
- CN
- China
- Prior art keywords
- antenna
- radio frequency
- support frame
- frequency identification
- main part
- 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
Landscapes
- Support Of Aerials (AREA)
Abstract
The utility model discloses a wireless radio frequency identification antenna, including bottom plate, antenna house, antenna main part and connector, the bottom plate is connected and forms the cavity that is used for placing the antenna main part with the antenna house lock, the antenna main part through the support frame that sets up fix inside the cavity and with the connector is connected, the connector runs through the antenna house and exposes externally, be equipped with the bolt on the support frame, the clamp plate that the bolt runs through to set up on the support frame is fixed the antenna main part in the mounting groove that the support frame set up, has solved the antenna and has exposed outside or the snap-on and influence the problem of result of use on equipment.
Description
Technical Field
The utility model relates to the technical field of antennas, especially, relate to a radio frequency identification antenna.
Background
An antenna, which is a component used in a radio apparatus to transmit or receive electromagnetic waves, converts a guided wave propagating on a transmission line into an electromagnetic wave propagating in an unbounded medium (usually, free space), or converts an electromagnetic wave propagating in an unbounded medium into a guided wave. Radio communication, radio, television, radar, navigation, electronic countermeasure, remote sensing and radio astronomy all utilize electromagnetic waves to transmit information and rely on antennas to operate. Radio frequency identification (rfid) technology, also called radio frequency identification (rfid), is a communication technology that can identify a specific target and read and write related data through radio signals without establishing mechanical or optical contact between an identification system and the specific target, but most of the existing radio frequency antennas are exposed outside or directly fixed on equipment, and are easily interfered by external signals or collided by the outside, thereby affecting the use effect and causing limitation in use.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an overcome the problem that exists among the above-mentioned, provide a wireless radio frequency identification antenna, solved the antenna and exposed outside or the snap-on influences the problem of result of use on equipment.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a wireless radio frequency identification antenna, including bottom plate, antenna house, antenna main part and connector, the bottom plate is connected and forms the cavity that is used for placing the antenna main part with the antenna house lock, the antenna main part through the support frame that sets up fix inside the cavity and with the connector is connected, the connector runs through the antenna house and exposes externally, be equipped with the bolt on the support frame, the clamp plate that the bolt set up on running through the support frame fixes the antenna main part in the mounting groove that the support frame set up.
Preferably, the cross section of the bottom plate is U-shaped, and the pressing plate is installed in first sliding grooves formed in two side faces of the bottom plate in a crossing mode.
Preferably, the pressing plate is installed in a second sliding groove of the support frame in a sliding fit manner.
Preferably, the cross section of the bolt is T-shaped, and the protruding part of the bolt extends out of the pressure plate.
Preferably, the bolt penetrates through the support frame and the pressing plate, is in clearance fit with the support frame, and is in interference fit with the pressing plate.
Preferably, the antenna main part includes the base plate, it has radio frequency antenna to etch on the base plate, radio frequency antenna includes radiation portion, feeder matching portion, resonance matching portion and anti-jamming part, the radiation portion passes through the feeder matching portion and is connected with the one end of installation chip on the base plate, another portion and the resonance matching portion of chip are connected, anti-jamming part is connected at resonance matching portion intermediate position and down extends the return circuit that forms the mosquito-repellent incense shape.
Preferably, the feeder line matching part is in a wave shape, and the height of a wave crest of the feeder line matching part is 2 mm.
Preferably, the substrate is a PCB substrate.
Compared with the prior art, the utility model discloses the beneficial effect who has does: this wireless radio frequency identification antenna's antenna main part is placed in the cavity that bottom plate and antenna house lock formed, and fix the antenna main part in the mounting groove that the support frame set up through the clamp plate, thereby avoid the exposed installation of antenna main part, solved the antenna expose outside or the snap-on influences the problem of result of use on equipment, simultaneously through the bolt that sets up on lock assembly and the support frame, need not use the screw fixation, also need not appurtenance, the change of the inside antenna main part of can being convenient for.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is an exploded view of the overall structure of a radio frequency identification antenna according to the present invention;
fig. 2 is the structure diagram of the rfid antenna of the present invention.
Description of the drawings: 1. a base plate; 2. an antenna cover; 3. an antenna main body; 301. a radiation section; 302. a feeder line matching section; 303. a resonance matching section; 304. an anti-interference unit; 305. a chip; 4. a connector; 5. a support frame; 6. a bolt; 7. pressing a plate; 8. a first chute; 9. a second runner.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
The utility model discloses at the concrete implementation as follows: as shown in fig. 1-2, a radio frequency identification antenna comprises a bottom plate 1, an antenna housing 2, an antenna body 3 and a connector 4, wherein the antenna body 3 comprises a substrate, the substrate is a PCB substrate, a radio frequency antenna is etched on the substrate, the radio frequency antenna comprises a radiation part 301, a feeder matching part 302, a resonant matching part 303 and an anti-interference part 304, the radiation part 301 is connected with one end of the substrate where a chip 305 is installed through the feeder matching part 302, the other part of the chip is connected with the resonant matching part 303, the anti-interference part 304 is connected at the middle position of the resonant matching part 303 and extends downwards to form a mosquito-repellent loop, the anti-interference part 304 can avoid the interference of the outside on the antenna transmission signal and improve the transmission stability of the antenna, the feeder matching part 302 is wave-shaped, the peak height of the feeder matching part is 2mm, the bottom plate 1 is buckled with the antenna housing 2 and forms a cavity for placing, the antenna body 3 is fixed in the cavity through a support frame 5 and connected with a connector 4, the connector 4 penetrates through the antenna housing 2 and is exposed outside, the connector 4 is welded with the antenna body 3, the antenna body 3 is electrically connected with an external component through the connector 4, a bolt 6 is arranged on the support frame 5, the bolt 6 penetrates through a press plate 7 arranged on the support frame 5 to fix the antenna body 3 in a mounting groove arranged on the support frame 5, the bolt 6 penetrates through the support frame 5 and the press plate 7 and is in clearance fit with the support frame 5 and is in interference fit with the press plate 7, the cross section of the bottom plate 7 is U-shaped, the press plate 7 is arranged in first chutes 8 arranged on two side surfaces of the bottom plate 1 in a spanning mode, the press plate 7 is arranged in a second chute 9 arranged on the support frame 5 in a sliding fit mode, the cross section of the bolt 6 is T-shaped, the convex part of the bolt extends out of the press plate 7, the, and fix antenna body 1 in the mounting groove that support frame 5 set up through clamp plate 7 to avoid antenna body 1 to expose the installation, solved the antenna and exposed outside or the snap-on influences the problem of result of use on equipment, through the bolt that sets up on lock assembly and the support frame 5, need not use the screw fixation simultaneously, also need not appurtenance, can be convenient for the change of inside antenna body.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (8)
1. A radio frequency identification antenna, comprising: including bottom plate, antenna house, antenna main part and connector, the bottom plate is connected and forms the cavity that is used for placing the antenna main part with the antenna house lock, the antenna main part fix inside the cavity and with the connector is connected through the support frame that sets up, the connector runs through the antenna house and exposes externally, be equipped with the bolt on the support frame, the clamp plate that the bolt set up on running through the support frame fixes the antenna main part in the mounting groove that the support frame set up.
2. A radio frequency identification antenna according to claim 1, wherein: the cross section of the bottom plate is U-shaped, and the pressing plate is installed in first sliding grooves formed in the two side faces of the bottom plate in a crossing mode.
3. A radio frequency identification antenna according to claim 1, wherein: the pressing plate is installed in a second sliding groove formed in the supporting frame in a sliding fit mode.
4. A radio frequency identification antenna according to claim 1, wherein: the cross section of the bolt is T-shaped, and the convex part of the bolt extends out of the pressure plate.
5. A radio frequency identification antenna according to claim 1, wherein: the bolt penetrates through the support frame and the pressing plate, is in clearance fit with the support frame and is in interference fit with the pressing plate.
6. A radio frequency identification antenna according to claim 1, wherein: the antenna main part includes the base plate, the etching has the radio frequency antenna on the base plate, the radio frequency antenna includes radiation portion, feeder matching portion, resonance matching portion and anti-interference portion, the radiation portion passes through the feeder matching portion and is connected with the one end of installing the chip on the base plate, another portion and the resonance matching portion of chip are connected, anti-interference portion connects the return circuit that forms the mosquito-repellent incense shape at resonance matching portion intermediate position and down extension.
7. The radio frequency identification antenna of claim 6, wherein: the feeder line matching part is wavy, and the height of the wave crest of the feeder line matching part is 2 mm.
8. The radio frequency identification antenna of claim 6, wherein: the substrate is made of a PCB substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020219795.6U CN211578943U (en) | 2020-02-27 | 2020-02-27 | Radio frequency identification antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020219795.6U CN211578943U (en) | 2020-02-27 | 2020-02-27 | Radio frequency identification antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211578943U true CN211578943U (en) | 2020-09-25 |
Family
ID=72525818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020219795.6U Active CN211578943U (en) | 2020-02-27 | 2020-02-27 | Radio frequency identification antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211578943U (en) |
-
2020
- 2020-02-27 CN CN202020219795.6U patent/CN211578943U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7242353B2 (en) | Bracket-antenna assembly and manufacturing method of the same | |
| US20090096680A1 (en) | Antennas Incorporated in a Fitted Accessory of a Mobile Unit | |
| KR100995177B1 (en) | Connector unit | |
| KR20050013970A (en) | Antenna apparatus used commonly for 2 frequencies | |
| US20090140937A1 (en) | Slot antenna used in a desktop computer | |
| CN101764282A (en) | Electromagnetic radiation apparatus and method for forming the same | |
| CN211350957U (en) | Antenna and mobile terminal with same | |
| CN211578943U (en) | Radio frequency identification antenna | |
| TW518929B (en) | Housing-shaped shielding plate for the shielding of an electrical component | |
| CN201117815Y (en) | Low cost broad band small volume high gain linear polarization antenna | |
| US7365684B2 (en) | Antenna having a filter and a signal feed-in point | |
| US20070069020A1 (en) | Transponder Unit | |
| CN101593283A (en) | The RFID tag communication apparatus | |
| KR100773817B1 (en) | RFID tag and RFID system comprising the same | |
| CN210670177U (en) | NFC screen module and electronic terminal | |
| CN204407471U (en) | Novel 4G external antenna structure | |
| CN112397872A (en) | Electronic equipment and processing method of middle frame | |
| CN215299501U (en) | Low-profile UHF omnidirectional antenna | |
| CN216214043U (en) | Wall-mounted antenna bottom plate | |
| CN220797075U (en) | Built-in mobile phone antenna structure | |
| CN106878502B (en) | Circuit board structure, antenna device and mobile terminal | |
| CN215680963U (en) | Conduction structure of waveguide and circuit board | |
| CN209842682U (en) | Radio frequency identification anti-metal tag | |
| CN110334557A (en) | A kind of RFID card reader increases the method and RFID card reader of card reading distance | |
| KR20070122090A (en) | Interior antenna for portable terminal |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |