CN211929699U - Coupling type antenna applied to LoRa frequency band - Google Patents
Coupling type antenna applied to LoRa frequency band Download PDFInfo
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- CN211929699U CN211929699U CN202021109657.9U CN202021109657U CN211929699U CN 211929699 U CN211929699 U CN 211929699U CN 202021109657 U CN202021109657 U CN 202021109657U CN 211929699 U CN211929699 U CN 211929699U
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- QVFWZNCVPCJQOP-UHFFFAOYSA-N chloralodol Chemical compound CC(O)(C)CC(C)OC(O)C(Cl)(Cl)Cl QVFWZNCVPCJQOP-UHFFFAOYSA-N 0.000 title claims abstract description 22
- 230000008878 coupling Effects 0.000 title abstract description 4
- 238000010168 coupling process Methods 0.000 title abstract description 4
- 238000005859 coupling reaction Methods 0.000 title abstract description 4
- 230000005855 radiation Effects 0.000 claims abstract description 34
- 239000000758 substrate Substances 0.000 claims abstract description 11
- 238000007639 printing Methods 0.000 abstract description 4
- 238000004891 communication Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model belongs to the technical field of wireless, and discloses a coupling antenna applied to LoRa frequency band, which comprises a FPC substrate and an antenna part printed on the FPC substrate, wherein a connecting part connected with the antenna part is arranged at the side edge of the FPC substrate; the connecting part is provided with a grounding component and a feed-in point; the antenna part comprises a radiation assembly and a resonance assembly, the radiation assembly is provided with a first radiation body, the first radiation body is of a C-shaped structure on one side of the radiation assembly, and the resonance assembly is arranged in a gap of the C-shaped structure of the first radiation body. A be applied to coupled antenna of loRa frequency channel and adopt the mode of FPC printing, set up antenna structure on flexible circuit board, can set up in the shell of equipment outside, including special design's layout structure, make the suitability of antenna wider, the radiation performance of antenna is strong, and then enables loRa gateway equipment and make more portablely.
Description
Technical Field
The utility model belongs to the technical field of it is wireless, concretely relates to be applied to manifold type antenna of loRa frequency channel.
Background
The Long Range Radio (Long Range Radio) is a Radio communication technology special for Long-distance low power consumption, the modulation mode of the Long Range Radio is greatly increased in communication distance relative to other communication modes, and the Long Range Radio can be widely applied to the field of Long-distance low-rate Internet of things Radio communication on various occasions. The wireless sensor network has the characteristics of low power consumption, long transmission distance, strong anti-interference capability and the like, and is increasingly applied to the technology of the Internet of things. The LoRa gateway serves as core equipment of the Internet of things and is used for receiving each terminal node of the Internet of things, so that higher requirements are placed on the performance of the LoRa gateway.
At present, more and more mobile terminal devices of the internet of things are provided, so that higher requirements are provided for the portability of the devices, the size of the devices is required to be reduced as much as possible on the premise that the performance is not affected, although a plurality of devices adopt built-in antennas, most of the built-in antennas are designed in a modularized mode, and the portability is insufficient although the devices are convenient to assemble.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a be applied to coupled antenna of loRa frequency channel, this antenna be combined type film structure, can place inside equipment shell in or cover in the equipment surface outward.
In order to achieve the above purpose, the utility model provides a following technical scheme:
a coupling type antenna applied to a LoRa frequency band comprises an FPC substrate and an antenna part printed on the FPC substrate, wherein a connecting part connected with the antenna part is arranged on the side edge of the FPC substrate; the connecting part is provided with a grounding component and a feed-in point; the antenna part comprises a radiation assembly and a resonance assembly, the radiation assembly is provided with a first radiation body, the first radiation body is of a C-shaped structure on one side of the radiation assembly, and the resonance assembly is arranged in a gap of the C-shaped structure of the first radiation body.
As a preferable mode of the above technical means, the first radiator and the resonant assembly are coupled to each other and are parallel to each other.
As a preferred scheme of the above technical solution, the radiation assembly includes multiple sets of resonance arms arranged side by side, the resonance arms are connected two by two to form a C-shaped structure, the multiple sets of resonance arms are connected adjacently to form a sawtooth shape, and the resonance arms are located in gaps of the sawtooth shape and correspond to the resonance arms one by one.
As a preferable scheme of the above technical solution, edges of a plurality of groups of resonance arms of the radiation assembly are parallel to each other and have equal intervals; and multiple groups of resonance arms of the resonance assembly are parallel to each other and have consistent shapes.
Preferably, one end of the resonance component far away from the radiation component is of a zigzag structure with an opening.
A be applied to coupled antenna of loRa frequency channel and adopt the mode of FPC printing, set up antenna structure on flexible circuit board, can set up in the shell of equipment outside, including special design's layout structure, make the suitability of antenna wider, the radiation performance of antenna is strong, and then enables loRa gateway equipment and make more portablely.
Drawings
Fig. 1 is a schematic diagram of an embodiment of the coupled antenna applied to the LoRa frequency band of the present invention.
Detailed Description
In order to deepen the understanding of the present invention, the present invention will be further described in detail with reference to the following embodiments and the attached drawings, and the embodiments are only used for explaining the present invention, and do not constitute the limitation to the protection scope of the present invention.
Referring to fig. 1, a coupled antenna applied to a LoRa frequency band includes an FPC substrate 1, an antenna portion a, and a connection portion b, where the antenna portion a is disposed on a flexible circuit board by a printing method, the antenna portion a and the connection portion b are connected to each other, the connection portion b is disposed at a side of the FPC substrate 1, and is conveniently connected to a device in an inserting manner, actually, the connection portion b is a part of the antenna and is provided with a grounding component and a feed-in point, the antenna portion a includes a radiation component 2 and a resonance component 3, the radiation component 2 has a first radiation body 21 and a plurality of groups of resonance arms 22 arranged in parallel side by side, when there is only one group of the resonance arms 22, the radiation component 2 is in a C-shaped structure, and a resonance arm 31 of the resonance component 3 is accommodated in a gap; in the figure, three resonant arms 22 are provided on the right side of the radiation element 2, and form a saw-tooth shape, the resonant arms 31 of the three resonant elements 3 are located in the gaps of the saw-tooth shape, so that the resonant elements 3 and the first radiator 21 are coupled with each other and are parallel to each other, and one end of the resonant elements 3 away from the radiation element 2 is in a zigzag structure with an opening.
The edges of a plurality of groups of resonance arms of the radiation assembly are parallel to each other and have equal intervals; and multiple groups of resonance arms of the resonance assembly are parallel to each other and have consistent shapes.
The impedance of the antenna is adjusted by the size of the resonance arms 31 and the depth of the gap between the resonance arms 22, so as to meet the requirement of the LoRa frequency band.
A be applied to coupled antenna of loRa frequency channel and adopt the mode of FPC printing, set up antenna structure on flexible circuit board, can set up in the shell of equipment outside, including special design's layout structure, make the suitability of antenna wider, the radiation performance of antenna is strong, and then enables loRa gateway equipment and make more portablely.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a be applied to coupled antenna of loRa frequency channel which characterized in that: the antenna comprises an FPC substrate and an antenna part printed on the FPC substrate, wherein a connecting part connected with the antenna part is arranged on the side edge of the FPC substrate; the connecting part is provided with a grounding component and a feed-in point; the antenna part comprises a radiation assembly and a resonance assembly, the radiation assembly is provided with a first radiation body, the first radiation body is of a C-shaped structure on one side of the radiation assembly, and the resonance assembly is arranged in a gap of the C-shaped structure of the first radiation body.
2. The coupled antenna applied to the LoRa frequency band of claim 1, wherein: the first radiator and the resonance component are coupled with each other and are parallel to each other.
3. The coupled antenna applied to the LoRa frequency band of claim 2, wherein: the radiation assembly comprises a plurality of groups of resonance arms arranged side by side, the resonance arms are connected in pairs to form a C-shaped structure, the groups of resonance arms are connected adjacently to form a sawtooth shape, and the resonance arms are located in gaps of the sawtooth shape and correspond to the resonance arms one to one.
4. The coupled antenna applied to the LoRa frequency band of claim 3, wherein: the edges of a plurality of groups of resonance arms of the radiation assembly are parallel to each other and have equal intervals; and multiple groups of resonance arms of the resonance assembly are parallel to each other and have consistent shapes.
5. The coupled antenna applied to the LoRa frequency band of claim 1, wherein: and one end of the resonance component, which is far away from the radiation component, is of a reversed-square structure with an opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021109657.9U CN211929699U (en) | 2020-06-16 | 2020-06-16 | Coupling type antenna applied to LoRa frequency band |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021109657.9U CN211929699U (en) | 2020-06-16 | 2020-06-16 | Coupling type antenna applied to LoRa frequency band |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211929699U true CN211929699U (en) | 2020-11-13 |
Family
ID=73320688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021109657.9U Expired - Fee Related CN211929699U (en) | 2020-06-16 | 2020-06-16 | Coupling type antenna applied to LoRa frequency band |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211929699U (en) |
-
2020
- 2020-06-16 CN CN202021109657.9U patent/CN211929699U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201113 Termination date: 20210616 |
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| CF01 | Termination of patent right due to non-payment of annual fee |