CN202797258U - Frequency adjustable antenna - Google Patents
Frequency adjustable antenna Download PDFInfo
- Publication number
- CN202797258U CN202797258U CN201220426818.6U CN201220426818U CN202797258U CN 202797258 U CN202797258 U CN 202797258U CN 201220426818 U CN201220426818 U CN 201220426818U CN 202797258 U CN202797258 U CN 202797258U
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- antenna
- coil
- connector
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- screw bolt
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Abstract
The utility model discloses a frequency adjustable antenna. The frequency adjustable antenna comprises a connector, a spring, a connecting part, a copper pipe, a glass fiber bar, a coil, a heat-shrinkable sleeve, an antenna sheath, a slotting stud, a plastic plug and an adjusting nut. The connector is connected with the antenna sheath. The spring is arranged in the antenna sheath to be connected with the connector. The connecting part is connected with the spring and the copper pipe. One end of the copper pipe is connected with the connecting part, and the other end of the copper pipe is sleeved on the glass fiber bar and connected with one end of the coil. The coil is wound on the glass fiber bar, and the other end of the coil is connected with the slotting stud. The heat-shrinkable sleeve is arranged outside the coil, one end of the heat-shrinkable sleeve is connected with the antenna sheath, and the other end of the heat-shrinkable sleeve is connected with the slotting stud. The plastic plug is arranged at the top end of the slotting stud, and the adjusting nut corresponds to the slotting stud. The adjusting nut is adjusted to change the physical length of the antenna, so that a signal can still accurately received even if the antenna environment changes, and poor signal receiving and frequency deviation in antenna transmitting are avoided.
Description
Technical field
The utility model relates to antenna and makes field, the particularly adjustable antenna of a kind of frequency.
Background technology
Antenna, in wireless device, to be used for launching or receiving electromagnetic parts, the guided wave of transmission above-the-line promotion is transformed into the electromagnetic wave of propagating in unbounded medium (normally free space), perhaps the electromagnetic wave of propagating in the unbounded medium is transformed to guided wave.Radio communication, broadcasting, TV, radar, navigation, electronic countermeasures, remote sensing and radio astronomy, every electromagnetic wave that utilizes comes transmission of information, all relies on the antenna to carry out work.
Antenna of the prior art, when the residing environment of antenna changes, may occurrence frequency skew, or during the skew of the Frequency generated of transmitting antenna, also can affect the transmission of signal.Therefore, how making antenna can overcome the problems referred to above, avoid antenna reception or transmit badly, is the technical problem that those skilled in the art need to be resolved hurrily.
The utility model content
The utility model provides a kind of frequency adjustable antenna, can carry out frequency adjustment according to the residing environment of antenna, guarantees that antenna accurately accepts or transmit.
For solving the problems of the technologies described above, the utility model provides a kind of frequency adjustable antenna, comprises connector, spring, connector, copper pipe, glass rod, coil, heat-shrinkable T bush, antenna sheath, fluting double-screw bolt, plastic cement stopper and adjusting nut; Wherein, described connector links to each other with described antenna sheath; Described spring is arranged in the described antenna sheath and with described connector and links to each other; Described connector links to each other with copper pipe with described spring; One end of described copper pipe links to each other with described connector, and the other end of described copper pipe is enclosed within on the described glass rod and with an end of described coil and links to each other; Described coil winding is on described glass rod, and the other end of described coil links to each other with described fluting double-screw bolt; Described heat-shrinkable T bush is arranged on outside the described coil, and an end of described heat-shrinkable T bush links to each other with described antenna sheath, and the other end of described heat-shrinkable T bush links to each other with described fluting double-screw bolt; Described plastic cement stopper is arranged on the top of described fluting double-screw bolt, and described adjusting nut is corresponding with described fluting double-screw bolt.
As preferably, described spring is fixed in the described antenna sheath by a connecting line.
As preferably, described coil is wrapped on the described glass rod by nylon rope.
As preferably, the material of described fluting double-screw bolt is phosphor bronze.
Compared with prior art, in the utility model, the fluting double-screw bolt is fixed on an end of heat-shrinkable T bush, and links to each other with coil, and the plastic cement stopper is arranged on the top of fluting double-screw bolt, and adjusting nut is corresponding with the fluting double-screw bolt.By adjusting the position of adjusting nut, change the physical length of antenna, namely regulate the electrical length of antenna, namely resonance frequency; Then, come receiving frequency signals with coil, then pass through successively the conduction of connector, spring and connector, by connector entering signal receiver.Like this, when the environment of antenna changed, the user only need to be by adjusting the position of adjusting nut on the fluting double-screw bolt, and antenna just can accurately receive and transmit, the generation of frequency offset issues when avoiding signal to receive bad, antenna transmission.The arrangement works of described frequency adjustable antenna at 26.2 megahertzes between 27.9 mhz frequencies.But this design is applicable to the transmission of each frequency band signals.
Description of drawings
Fig. 1 is the exploded perspective view of the adjustable antenna of the utility model one specific embodiment medium frequency;
Fig. 2 is the A section enlarged drawing of Fig. 1;
Fig. 3 is the structural representation of the adjustable antenna of the utility model one specific embodiment medium frequency.
Among the figure: 1-connector, 2-spring, 3-connector, 4-copper pipe, 5-glass rod, 6-coil, 7-nylon rope, 8-heat-shrinkable T bush, 9-connecting line, 10-antenna sheath, 11-fluting double-screw bolt, 12-plastic cement stopper, 13-adjusting nut.
Embodiment
For above-mentioned purpose of the present utility model, feature and advantage can be become apparent more, below in conjunction with accompanying drawing embodiment of the present utility model is described in detail.It should be noted that the utility model accompanying drawing all adopts the form of simplification and all uses non-accurately ratio, only in order to convenient, the purpose of aid illustration the utility model embodiment lucidly.
Please refer to Fig. 1 ~ 3, the antenna that frequency of the present utility model is adjustable comprises connector 1, spring 2, connector 3, copper pipe 4, glass rod 5, coil 6, heat-shrinkable T bush 8, antenna sheath 10, fluting double-screw bolt 11, plastic cement stopper 12 and adjusting nut 13.
Wherein, described connector 1 links to each other with described antenna sheath 10; Described spring 2 is arranged in the described antenna sheath 10 and with described connector 1 and links to each other; Described connector 3 links to each other with copper pipe 4 with described spring 2; One end of described copper pipe 4 links to each other with described connector 3, and the other end of described copper pipe 4 is enclosed within on the described glass rod 5 and with an end of described coil 6 and links to each other; Described coil 6 is wrapped on the described glass rod 5, and the other end of described coil 6 links to each other with described fluting double-screw bolt 11; Described heat-shrinkable T bush 8 is arranged on outside the described coil 6, and an end of described heat-shrinkable T bush 8 links to each other with described antenna sheath 10, and the other end of described heat-shrinkable T bush 8 links to each other with described fluting double-screw bolt 11; Described plastic cement stopper 12 is arranged on the top of described fluting double-screw bolt 11, and described adjusting nut 13 is corresponding with described fluting double-screw bolt 11.
Present embodiment, by adjusting the position of adjusting nut 13, change the physical length of antenna, namely regulate the electrical length of antenna, namely resonance frequency then, is come receiving frequency signals with coil 6, then pass through successively the conduction of connector 3, spring 2 and connector 1, by connector 1 entering signal receiver (components and parts that namely link to each other with described antenna).Like this, when the environment of antenna changed, the user only need to be by adjusting the position of adjusting nut 13 on fluting double-screw bolt 11, and antenna can accurately receive and transmit, the generation of frequency offset issues when avoiding signal to receive bad, antenna transmission.Need to prove that the antenna that described frequency is adjustable is operated in 26.2 megahertzes between 27.9 mhz frequencies, but this design is applicable to the transmission of each frequency band signals.
As preferably, described spring 2 is fixed in the described antenna sheath 10 by a connecting line 3, and described coil 6 is wrapped on the described glass rod 5 by nylon rope 7, plays the effect of fixing whole antenna.
As preferably, the material of described fluting double-screw bolt 11 is phosphor bronze.In order to ensure 2cNm ~ 3.5cNm torque range, phosphor bronze is conducive to optimize the elasticity of fluting double-screw bolt 11 after Ageing Treatment, guarantee that the screw thread moment of torsion of slotting between double-screw bolt 11 and the adjusting nut 13 remains between 2cNm ~ 3.5cNm, and the handled easily person regulates.
In addition, the openend of described adjusting nut 13 has carried out reducing to be processed, and adjusting nut 13 can not be screwed out behind precession fluting double-screw bolt 11 again, and namely the handled easily person regulates, and can not move back because of the vibrations pine of components and parts again.
In sum, in the utility model, fluting double-screw bolt 11 is fixed on an end of heat-shrinkable T bush 8, and links to each other with coil 6, and plastic cement stopper 12 is arranged on the top of fluting double-screw bolt 11, and adjusting nut 13 is corresponding with fluting double-screw bolt 11.By adjusting the position of adjusting nut 13, change the physical length of antenna, namely regulate the electrical length of antenna, resonance frequency namely, make antenna be operated in 26.2 megahertzes between 27.9 megahertzes, then, come receiving frequency signals with coil 6, then pass through successively the conduction of connector 3, spring 2 and connector 1, by connector 1 entering signal receiver.Like this, when the environment of antenna changed, the user only need to be by adjusting the position of adjusting nut 13 on fluting double-screw bolt 11, and antenna can accurately receive and transmit, the generation of frequency offset issues when avoiding signal to receive bad, antenna transmission.
Obviously, those skilled in the art can carry out various changes and modification to utility model and not break away from spirit and scope of the present utility model.Like this, if of the present utility model these revise and modification belongs within the scope of the utility model claim and equivalent technologies thereof, then the utility model also is intended to comprise these change and modification.
Claims (4)
1. the antenna that frequency is adjustable is characterized in that, comprises connector, spring, connector, copper pipe, glass rod, coil, heat-shrinkable T bush, antenna sheath, fluting double-screw bolt, plastic cement stopper and adjusting nut; Wherein,
Described connector links to each other with described antenna sheath;
Described spring is arranged in the described antenna sheath and with described connector and links to each other;
Described connector links to each other with copper pipe with described spring;
One end of described copper pipe links to each other with described connector, and the other end of described copper pipe is enclosed within on the described glass rod and with an end of described coil and links to each other;
Described coil winding is on described glass rod, and the other end of described coil links to each other with described fluting double-screw bolt;
Described heat-shrinkable T bush is arranged on outside the described coil, and an end of described heat-shrinkable T bush links to each other with described antenna sheath, and the other end of described heat-shrinkable T bush links to each other with described fluting double-screw bolt;
Described plastic cement stopper is arranged on the top of described fluting double-screw bolt, and described adjusting nut is corresponding with described fluting double-screw bolt.
2. the adjustable antenna of frequency as claimed in claim 1 is characterized in that, described spring is fixed in the described antenna sheath by a connecting line.
3. the adjustable antenna of frequency as claimed in claim 1 is characterized in that, described coil is wrapped on the described glass rod by a nylon rope.
4. the adjustable antenna of frequency as claimed in claim 1 is characterized in that, the material of described fluting double-screw bolt is phosphor bronze.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220426818.6U CN202797258U (en) | 2012-08-27 | 2012-08-27 | Frequency adjustable antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220426818.6U CN202797258U (en) | 2012-08-27 | 2012-08-27 | Frequency adjustable antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202797258U true CN202797258U (en) | 2013-03-13 |
Family
ID=47824455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220426818.6U Expired - Lifetime CN202797258U (en) | 2012-08-27 | 2012-08-27 | Frequency adjustable antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202797258U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106575822A (en) * | 2014-08-19 | 2017-04-19 | 株式会社友华 | Complex antenna and method of manufacturing same |
-
2012
- 2012-08-27 CN CN201220426818.6U patent/CN202797258U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106575822A (en) * | 2014-08-19 | 2017-04-19 | 株式会社友华 | Complex antenna and method of manufacturing same |
| CN106575822B (en) * | 2014-08-19 | 2020-01-03 | 株式会社友华 | Composite antenna and manufacturing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: KUNSHAN RADIATION TECHNOLOGY INC. Free format text: FORMER NAME: EXCELTEK ELECTRONICS TECHNOLOGY (KUNSHAN) CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: Suzhou City, Jiangsu province 215321 Zhangpu town Kunshan city Binjiang Road No. 233 Patentee after: RADIATION TECHNOLOGY, Inc. Address before: Suzhou City, Jiangsu province 215321 Zhangpu town Kunshan city Binjiang Road No. 233 Patentee before: Exceltek Electronics (Kunshan) Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130313 |