CN210744165U - Short-size glass fiber reinforced plastic antenna based on 433MHz balanced feed - Google Patents
Short-size glass fiber reinforced plastic antenna based on 433MHz balanced feed Download PDFInfo
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- CN210744165U CN210744165U CN201922395380.4U CN201922395380U CN210744165U CN 210744165 U CN210744165 U CN 210744165U CN 201922395380 U CN201922395380 U CN 201922395380U CN 210744165 U CN210744165 U CN 210744165U
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Abstract
The utility model relates to an ultrashort wave antenna technical field discloses a short dimension glass steel antenna based on 433MHz balanced feed, include glass steel casing, radio frequency connector, first radiation antenna body, second radiation antenna body, coaxial feed line and add the sense spring, glass steel casing and radio frequency connector butt joint, second radiation antenna body is located glass steel casing, first radiation antenna body is located the second radiation antenna body and extends to in the radio frequency connector the cladding has on the outer wall of first radiation antenna body coaxial feed line, add the sense spring set up in one side that radio frequency connector was kept away from to the second radiation antenna body, and the cover is established at the outer wall of first radiation antenna body. The utility model discloses the utilization is felt the spring and not only can increase electric length, and can realize impedance match to shorten the length of the glass steel antenna that has now to 20cm by 40cm, improved the disguise of glass steel antenna greatly.
Description
Technical Field
The utility model belongs to the technical field of the ultrashort wave antenna, especially, relate to a short-size glass steel antenna based on 433MHz balanced feed.
Background
At present, in a 1m waveband 433MHz communication module used outdoors, a symmetric type glass fiber reinforced plastic antenna generally has a length of about 40cm (1/2 wavelength needs to reach 34.5cm), and a monopole whip radiator which has a size smaller than 20cm and is generally used in the market and has a length smaller than 20cm at present cannot be manufactured, but a standing wave of the monopole whip antenna deviates along with the size of a grounding plate of a used device and the length change of an antenna feeder line, the performance of the monopole whip antenna can be changed by environmental changes, the standing wave on some high-power devices is too high, the devices cannot be normally used, or even the devices can be burnt, and the existing symmetric type glass fiber reinforced plastic antenna has the following problems: the antenna height is obvious at present, the difficulty of hiding camouflage is increased, the antenna height is high, and the communication signal is unstable due to large-amplitude swing caused by wind resistance.
Therefore, how to solve the above problems becomes a focus of research by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
A first object of the utility model is to provide a short-size glass steel antenna based on 433MHz balanced feed, it is not enough to have solved prior art.
The embodiment of the utility model is realized like this:
the utility model provides a short-size glass steel antenna based on 433MHz balanced feed, includes glass steel casing, radio frequency connector, first radiation antenna body, second radiation antenna body, coaxial feed line and adds the sense spring, glass steel casing and radio frequency connector butt joint, the second radiation antenna body is located glass steel casing, first radiation antenna body is located the second radiation antenna body and extends to in the radio frequency connector the cladding has on the outer wall of first radiation antenna body coaxial feed line, add the sense spring set up in one side that the radio frequency connector was kept away from to the second radiation antenna body, and the cover is established at the outer wall of first radiation antenna body.
Furthermore, one end of the radio frequency connector is in threaded connection with the glass fiber reinforced plastic shell, and the other end of the radio frequency connector is in threaded connection with a protection base.
Furthermore, a coaxial channel for the first radiation antenna body to penetrate through is arranged among the glass fiber reinforced plastic shell, the radio frequency connector and the protection base.
Furthermore, a clamping part is arranged in the protection base and used for clamping the first radiation antenna body.
The utility model has the advantages that:
the utility model discloses a keep away from one side of radio frequency connector, just be located the outer wall of the first radiation antenna body at the second radiation antenna body and set up and feel the spring, utilize to feel the spring and not only can increase electric length, and can realize impedance matching to shorten the length of the glass steel antenna who has now to 20cm by 40cm, improved the hiding camouflage of glass steel antenna greatly.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a structural diagram of the external form of a short glass fiber reinforced plastic antenna based on 433MHz balanced feed provided by the present invention;
fig. 2 is a sectional view taken along a-a of fig. 1.
Icon: the antenna comprises a glass fiber reinforced plastic shell, a radio frequency connector 2, a first radiating antenna body 3, a second radiating antenna body 4, a coaxial feeder line 5, an inductive spring 6, a protective base 7 and a clamping part 8.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1 to 2, the present embodiment provides a 433 MHz-based balanced feed short-sized glass fiber reinforced plastic antenna, including a glass fiber reinforced plastic housing 1, a radio frequency connector 2, a first radiating antenna body 3, a second radiating antenna body 4, a coaxial feed line 5 and an induction spring 6, where one end of the radio frequency connector 2 is in threaded connection with the glass fiber reinforced plastic housing 1, the other end of the radio frequency connector 2 is in threaded connection with a protective base 7, and the glass fiber reinforced plastic housing 1, the radio frequency connector 2 and the protective base 7 are communicated with each other through a coaxial channel.
The first radiation antenna body 3 is positioned in the glass fiber reinforced plastic casing 1, the outer wall surface of the first radiation antenna body 3 is wrapped with a coaxial feeder line 5, the second radiation antenna body 4 is sleeved on the coaxial feeder line 5, the length of the second radiation antenna body 4 is about 1/3 of the length of the first radiation antenna body 3, the second radiation antenna body 4 is also sleeved at the position 1/3 of the first radiation antenna body 3, the first radiation antenna body 3 extends into the radio frequency connector 2 and the protection base 7 through a coaxial channel, the inner bottom surface of the protection base 7 is provided with a cylindrical clamping part 8, the first radiation antenna body 3 is inserted in the clamping part 8 in an interference mode so that the first radiation antenna body 3 is stabilized in the glass fiber reinforced plastic casing 1, the coaxial antenna body 5 is wrapped at the position 2/3 of the first radiation antenna body 3 from one end of the protection base 7 along the outer wall of the first radiation antenna body 3, one end of the second radiation antenna body 4, which is far away from the radio frequency connector 2, is inserted into the inner ring of the induction spring 6 in an interference manner, and the induction spring 6 extends towards one side, which is far away from the second radiation antenna body 4, and is sleeved on the outer wall of the first radiation antenna body 3.
Will the utility model provides a pair of short dimension glass steel antenna based on 433MHz balanced feed carries out communication and gets a packet rate test, and test data is as follows:
according to the above table, the utility model provides a pair of short dimension glass steel antenna based on 433MHz balanced feed compares with monopole whip antenna, and communication quality improves more than 25%.
It can be seen from the above-mentioned content that, the utility model provides a pair of short dimension glass steel antenna based on 433MHz balanced feed, establish the additional sense spring 6 of the outer wall of first radiation antenna body 3 through the tip at second radiation antenna body 4 additional installation cover, adopt the feed point to increase the design of feeling, not only can increase electric length, and can realize impedance matching, thereby shorten the length of current glass steel antenna to 20cm by 40cm, not only improved the hidden camouflage of glass steel antenna greatly, and in the aspect of the commonality, the standing wave change that uses to adopt balanced feed on different products is very little, the antenna is more stable application scope wider.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. The utility model provides a short-size glass steel antenna based on 433MHz balanced feed which characterized in that: including glass steel casing (1), radio frequency connector (2), first radiation antenna body (3), second radiation antenna body (4), coaxial feed line (5) and add sense spring (6), glass steel casing (1) and radio frequency connector (2) dock, second radiation antenna body (4) are located glass steel casing (1), first radiation antenna body (3) are located second radiation antenna body (4) and extend to in radio frequency connector (2) the cladding has on the outer wall of first radiation antenna body (3) coaxial feed line (5), add sense spring (6) set up in one side that radio frequency connector (2) were kept away from in second radiation antenna body (4), and the cover is established at the outer wall of first radiation antenna body (3).
2. The short-sized glass fiber reinforced plastic antenna based on 433MHz balanced feed of claim 1, wherein: one end of the radio frequency connector (2) is in threaded inscription with the glass fiber reinforced plastic shell (1), and the other end of the radio frequency connector (2) is in threaded external connection with a protection base (7).
3. The short-sized glass fiber reinforced plastic antenna based on 433MHz balanced feed of claim 2, wherein: and a coaxial channel for the first radiation antenna body (3) to penetrate through is arranged among the glass fiber reinforced plastic shell (1), the radio frequency connector (2) and the protection base (7).
4. The short-sized FRP antenna based on 433MHz balanced feed of claim 3, wherein: and a clamping part (8) is arranged in the protection base (7), and the clamping part (8) is used for clamping the first radiation antenna body (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922395380.4U CN210744165U (en) | 2019-12-26 | 2019-12-26 | Short-size glass fiber reinforced plastic antenna based on 433MHz balanced feed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922395380.4U CN210744165U (en) | 2019-12-26 | 2019-12-26 | Short-size glass fiber reinforced plastic antenna based on 433MHz balanced feed |
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| CN210744165U true CN210744165U (en) | 2020-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922395380.4U Active CN210744165U (en) | 2019-12-26 | 2019-12-26 | Short-size glass fiber reinforced plastic antenna based on 433MHz balanced feed |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111755821A (en) * | 2020-07-15 | 2020-10-09 | 上海海积信息科技股份有限公司 | Integrated antenna |
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2019
- 2019-12-26 CN CN201922395380.4U patent/CN210744165U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111755821A (en) * | 2020-07-15 | 2020-10-09 | 上海海积信息科技股份有限公司 | Integrated antenna |
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