CN205509007U - Small -size 433MHz's PCB antenna - Google Patents
Small -size 433MHz's PCB antenna Download PDFInfo
- Publication number
- CN205509007U CN205509007U CN201620157963.7U CN201620157963U CN205509007U CN 205509007 U CN205509007 U CN 205509007U CN 201620157963 U CN201620157963 U CN 201620157963U CN 205509007 U CN205509007 U CN 205509007U
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- small
- antenna
- 433mhz
- sized
- radiating element
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Abstract
The utility model discloses a small -size 433MHz's PCB antenna, this small -size 433MHz's PCB antenna include the via hole that is equipped with two rows of parallels and aligns on two -sided PCB board, through via hole antenna connection curl, increase a N type radiating element in heliciform antenna one end, and radiating element one end is connected with the ground plate, and the radiating element other end is connected with the distributing point, and the distributing point is connected with the ground plate. This antenna can satisfy small, the clawback loss is little, the gain is high and facilitate the use to components and parts can be placed in the ground plate back, make antenna and equipment circuit collection in an organic whole.
Description
Technical field
This utility model relates to antenna technical field, particularly relates to the PCB antenna of a kind of small-sized 433MHz.
Background technology
Wireless communication system is widely used to every field in recent years, and user can not be utilized wireless communication system to carry out the transmission of information and information by distance limit.And antenna is one of element important in wireless communication field, currently in order to the size reduction of response electronic product and the diversity of outward appearance, small built-in antenna, because size is little, be easy to the feature integrated with circuitry, is extensively incorporated in various electronic installation.
Antenna, as the bridge of radio communication, is the key realizing radio communication.Along with wireless communication technology and the development of electronic technology, the wireless electronic product in daily life becomes more and more less, more and more thinner, and the gentliest, and function becomes from strength to strength.Therefore researching and developing a small-sized one small-sized 433MHzFPC antenna, the research and development needs adapting to antenna miniaturization are the problems that our needs solve.
Summary of the invention
This utility model embodiment provides the PCB antenna of a kind of small-sized 433MHz, it is possible to reach that simple in construction, low cost, clawback loss be little, requirement that gain is high.
Implementation of the present utility model is as follows: the PCB antenna of a kind of small-sized 433MHz is included in double-sided PCB board and is provided with the via that two rows are parallel and align, helical form is connected into by via antenna, a N-type radiating element is increased in helical antenna one end, radiating element one end is connected with earth plate, the radiating element other end is connected with distributing point, and distributing point is connected with earth plate.
Preferably, described antenna, radiating element, distributing point and earth plate be content be the copper of more than 90%.
Preferably, the connection between described radiating element and via is circular arc, and its radius is 1mm, and radian is 90 °.
Preferably, the described pcb board back side connects 1 connecting line of two vias, comprise two with the angle that horizontal line is 45 °.
Preferably, the pcb board back side connects connecting line between two vias, with the angle that horizontal line is 45 °.
Preferably, the maximum gain of the PCB antenna of a kind of small-sized 433MHz is-0.5dBi.
Preferably, the frequency of the PCB antenna of a kind of small-sized 433MHz is 420MHz-440MHz, carries a width of 20MHz.
Pass through such scheme, the beneficial effects of the utility model are: the PCB antenna of a kind of small-sized 433MHz is provided with via antenna, radiating element and earth plate, utilize via connecting PCB board two-sided, it is connected by the circular arc between radiating element with via antenna, on the basis of simple low cost, it is achieved clawback loss is low, gain is high, disclosure satisfy that its volume is little, the requirement of applied range.
Accompanying drawing explanation
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, in describing embodiment below, the required accompanying drawing used is briefly described, apparently, accompanying drawing in describing below is only some embodiments of the present invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.Wherein:
Fig. 1 is the Facad structure schematic diagram of the PCB antenna of a kind of small-sized 433MHz of this utility model；
Fig. 2 is the structure schematic diagram of the PCB antenna of a kind of small-sized 433MHz of this utility model；
Fig. 3 is radiating element and the via connection diagram of the PCB antenna of a kind of small-sized 433MHz of this utility model；
Fig. 4 is the back side via connection angle schematic diagram of the PCB antenna of a kind of small-sized 433MHz of this utility model；
Fig. 5 is the return loss plot of the PCB antenna of a kind of small-sized 433MHz of this utility model.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole embodiment.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained under not making performing creative labour premise, broadly fall into the scope of this utility model protection.
Refer to Fig. 1, shown in 2, the PCB antenna of a kind of small-sized 433MHz disclosed in the present embodiment is included in double-sided PCB board and is provided with the via 1 that two rows are parallel and align, helical form is connected into by via 1 antenna, a N-type radiating element 2 is increased in helical antenna one end, radiating element one end is connected with earth plate 4, radiating element 2 other end is connected with distributing point 3, and distributing point 3 is connected with earth plate 4.
Preferably, the described a diameter of 0.5mm of via 1, the spacing between the two parallel vias of row is 6mm, and adjacent vias center of circle spacing is 2mm.
Preferably, described via 1, radiating element 2, distributing point 3 and earth plate 4 are the copper of more than 90% for content.
Preferably, the described N-type radiating element 2 a length of 11mm of left end, upper end length is 4mm, a length of 5mm of right-hand member, and the distance of the closest via of right-hand member is 4mm.
The PCB antenna of a kind of small-sized 433MHz is positioned at for 52mm, a width of 40mm, and thickness is on the FR4 dielectric-slab of 2mm.
Shown in Figure 3, the connection between described radiating element 2 and via 1 is circular arc, and its radius is 1mm, and radian is 90 °.
Shown in Figure 4, the pcb board back side connects 1 connecting line of two vias, comprise two with the angle that horizontal line is 45 °.
Shown in Figure 5, wherein, the maximum gain of the PCB antenna of a kind of small-sized 433MHz is-0.5dBi.
Wherein, the frequency of the PCB antenna of a kind of small-sized 433MHz is 420MHz-440MHz, carries a width of 20MHz.
In impedance bandwidth, the return loss requirement of the PCB antenna of a kind of small-sized 433MHz is less than-10dB, and disclosed in the present embodiment, the return loss of the PCB antenna 10 of a kind of small-sized 433MHz can reach-16dB, is requiring that band limits internal impedance meets requirement.
The gain of the PCB antenna of a kind of small-sized 433MHz disclosed in the present embodiment is-0.5dBi, and the gain level of antenna meets use requirement.
The foregoing is only embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every equivalent structure utilizing this utility model description and accompanying drawing content to be made or equivalence flow process conversion; or directly or indirectly it is used in other relevant technical fields, the most in like manner it is included in scope of patent protection of the present utility model.
Claims (6)
1. the PCB antenna of a small-sized 433MHz, it is characterized in that, it is included in double-sided PCB board and is provided with the via that two rows are parallel and align, helical form is connected into by via antenna, a N-type radiating element is increased in helical antenna one end, radiating element one end is connected with earth plate, and the radiating element other end is connected with distributing point, and distributing point is connected with earth plate.
The PCB antenna of a kind of small-sized 433MHz the most according to claim 1, it is characterised in that described via diameter is 0.5mm, the spacing between the two parallel vias of row is 6mm, and adjacent vias center of circle spacing is 2mm.
The PCB antenna of a kind of small-sized 433MHz the most according to claim 1, it is characterised in that described via (1), radiating element (2), distributing point (3) and earth plate (4) be content be the copper of more than 90%.
The PCB antenna of a kind of small-sized 433MHz the most according to claim 1, it is characterised in that the connection between described radiating element (2) and via (1) is circular arc, its radius is 1mm, and radian is 90 °.
The PCB antenna of a kind of small-sized 433MHz the most according to claim 1, it is characterised in that the gain of the PCB antenna of described a kind of small-sized 433MHz is-16dB ~-0.5dB.
The PCB antenna of a kind of small-sized 433MHz the most according to claim 1, it is characterised in that the frequency of the PCB antenna of described a kind of small-sized 433MHz is 420MHz-440MHz, carries a width of 20MHz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620157963.7U CN205509007U (en) | 2016-03-02 | 2016-03-02 | Small -size 433MHz's PCB antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620157963.7U CN205509007U (en) | 2016-03-02 | 2016-03-02 | Small -size 433MHz's PCB antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205509007U true CN205509007U (en) | 2016-08-24 |
Family
ID=56727503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620157963.7U Expired - Fee Related CN205509007U (en) | 2016-03-02 | 2016-03-02 | Small -size 433MHz's PCB antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205509007U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105576366A (en) * | 2016-03-02 | 2016-05-11 | 青岛中科移动物联科技有限公司 | Micro 433MHz PCB antenna |
-
2016
- 2016-03-02 CN CN201620157963.7U patent/CN205509007U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105576366A (en) * | 2016-03-02 | 2016-05-11 | 青岛中科移动物联科技有限公司 | Micro 433MHz PCB antenna |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200708 Address after: 312030 310 floor, 3 floor, complex building, 586 chubei Chuang complex, Keqiao Economic Development Zone, Shaoxing, Zhejiang. Patentee after: ZKS (SHAOXING) IOT IT Co.,Ltd. Address before: 266109 Shandong city of Qingdao province high tech Zone Songyuan Road No. 17 building B1 Room 301 Patentee before: QINGDAO ZKMIOT TECHNOLOGY Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160824 Termination date: 20210302 |