CN109301434B - High-precision four-arm helical antenna - Google Patents
High-precision four-arm helical antenna Download PDFInfo
- Publication number
- CN109301434B CN109301434B CN201811148158.8A CN201811148158A CN109301434B CN 109301434 B CN109301434 B CN 109301434B CN 201811148158 A CN201811148158 A CN 201811148158A CN 109301434 B CN109301434 B CN 109301434B
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- groove
- circuit board
- base
- socket
- support column
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/08—Means for collapsing antennas or parts thereof
- H01Q1/085—Flexible aerials; Whip aerials with a resilient base
- H01Q1/087—Extensible roll- up aerials
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/14—Supports; Mounting means for wire or other non-rigid radiating elements
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/362—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith for broadside radiating helical antennas
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/42—Housings not intimately mechanically associated with radiating elements, e.g. radome
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/10—Resonant antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/20—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements characterised by the operating wavebands
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
Abstract
The invention relates to the technical field of antennas, in particular to a high-precision four-arm spiral antenna which comprises a base and a protective cover, wherein a circuit board is arranged in the middle of the upper end of the base, a support column is arranged in the middle of the upper end of the circuit board, a dielectric plate is connected to the upper end of the support column, spiral arms are wound on the outer side of the support column, the four spiral arms are wound on the support column in the same direction, positioning grooves are symmetrically formed in two sides of the upper end of the base, clamping grooves are formed in one side of each positioning groove, positioning blocks matched with the positioning grooves are symmetrically formed in two sides of the lower end of the protective cover, a second spring is arranged in each mounting groove, and one end. Compared with the prior art, the four-arm helical antenna has the advantages of simple structure, convenience in adjustment, wide application range, strong practicability and high popularization value, and the resonant frequency of the four-arm helical antenna can be freely changed.
Description
Technical Field
The invention relates to the technical field of antennas, in particular to a high-precision quadrifilar helix antenna.
Background
The antenna is a key unit on the satellite navigation system terminal, the satellite navigation system terminal receives electromagnetic wave signals transmitted by a navigation satellite through the antenna and provides the electromagnetic wave signals for the radio frequency front end processing on the terminal so as to obtain the navigation satellite signals and related data information, and therefore the quality of the antenna performance can directly influence the normal working state of the satellite navigation system terminal. The quadrifilar helical antenna has been increasingly widely used as an antenna device having low cost, compact structure and small size. However, the existing quadrifilar helix antenna has the defects of small gain, poor signal receiving effect, unstable structure and difficulty in frequency conversion, cannot meet the use requirement and has certain use limitation. To this end, we propose a high-precision quadrifilar helix antenna to solve such problems.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a high-precision quadrifilar helix antenna.
In order to achieve the purpose, the invention adopts the following technical scheme:
a high-precision four-arm spiral antenna is designed, and comprises a base and a protective cover, wherein a circuit board is arranged in the middle of the upper end of the base, a socket is connected with the lower end of the circuit board, connecting ports are symmetrically arranged on the front side, the rear side, the left side and the right side of the upper end of the circuit board, a support column is arranged in the middle of the upper end of the circuit board, a medium plate is connected with the upper end of the medium plate, a through groove is formed in the upper end of the medium plate, a fixed plate is fixedly connected to one side of the inner wall of the through groove, a limiting groove is uniformly formed in one side of the fixed plate, spiral arms are wound on the outer sides of the support columns, the four spiral arms are wound on the support columns in the same direction, a binding post matched with the connecting ports is arranged at the lower, and a first spring is fixedly connected between the outer side of the limiting rod and the outer wall of the moving block, positioning grooves are symmetrically formed in the two sides of the upper end of the base, clamping grooves are formed in one sides of the positioning grooves, positioning blocks matched with the positioning grooves are symmetrically formed in the two sides of the lower end of the protective cover, a mounting groove is formed in the middle of each positioning block, a second spring is arranged inside the mounting groove, and one end of the second spring is fixedly connected with a positioning rod matched with the clamping grooves for use.
Preferably, the middle part of the upper end of the base is provided with a groove matched with the circuit board, and the bottom of the groove is provided with an elastic pad.
Preferably, the socket is a high-frequency socket, and the type of the socket is an SMA type or a TNC type.
Preferably, the bottom end of the positioning groove is provided with an anode magnet, and the lower end of the positioning block is provided with a cathode magnet.
Preferably, the spacing between two adjacent limiting grooves is 0.1-0.3 mm.
Preferably, the two sides of the lower end of the base are detachably connected with suckers, and the height of each sucker is greater than that of the corresponding socket.
The high-precision quadrifilar helix antenna provided by the invention has the beneficial effects that: according to the invention, the protective cover is sleeved on the outer sides of the circuit board, the supporting column, the spiral arm and the like, the firmness of the device can be enhanced through the protective function of the protective cover, the device is more stable and durable, the protective cover is convenient to disassemble, the spiral arm can be adjusted, the limiting rod can be driven to swing and withdraw from the limiting groove through the movement of the moving block, then the limiting rod is clamped in different limiting grooves, the bending radian of the spiral arm can be changed, the resonance frequency of the four-arm spiral antenna can be changed, the frequency conversion purpose is achieved, the gain effect and the signal receiving effect of the antenna can be improved, and the device is more convenient to use. Compared with the prior art, the four-arm helical antenna has the advantages of simple structure, convenience in adjustment, wide application range, strong practicability and high popularization value, and the resonant frequency of the four-arm helical antenna can be freely changed.
Drawings
Fig. 1 is a schematic diagram of a high-precision quadrifilar helix antenna according to the present invention;
fig. 2 is an enlarged schematic view of a portion a of the high-precision quadrifilar helix antenna according to the present invention;
fig. 3 is a top view of a high-precision interposer for a quadrifilar helix antenna according to the present invention.
In the figure: the device comprises a base 1, a circuit board 2, a support column 3, a dielectric plate 4, a spiral arm 5, a binding post 6, a through groove 7, a fixing plate 8, a limiting groove 9, a moving block 10, a limiting rod 11, a first spring 12, a shield 13, a positioning block 14, a mounting groove 15, a second spring 16, a positioning rod 17, a positioning groove 18, a clamping groove 19, an anode magnet 20, a cathode magnet 21, a groove 22, a fixing groove 23, an elastic pad 24, a socket 25 and a sucker 26.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-3, a high-precision quadrifilar helix antenna comprises a base 1 and a shield 13, wherein a circuit board 2 is arranged in the middle of the upper end of the base 1, a groove 22 matched with the circuit board 2 is formed in the middle of the upper end of the base 1, an elastic pad 24 is arranged at the bottom of the groove 22, and the arrangement of the groove 22 enhances the convenience of the circuit board 2 during installation, enhances the stability of the circuit board 2, and enhances the buffer protection effect on the circuit board 2 through the elastic pad 24.
The lower extreme of circuit board 2 is connected with socket 25, and socket 25 is the high frequency socket, and the model of socket 25 is SMA type or TNC type, has strengthened the application scope of device, makes things convenient for later use widely.
The lower extreme both sides of base 1 can be dismantled and be connected with sucking disc 26, and sucking disc 26 highly be greater than socket 25's height, and sucking disc 26 can make things convenient for the holistic installation of device to be fixed, can play the effect of protection socket 25 simultaneously.
The upper end bilateral symmetry of circuit board 2 is equipped with connection port, the upper end middle part of circuit board 2 is equipped with support column 3, the upper end of support column 3 is connected with dielectric plate 4, logical groove 7 has been seted up to the upper end of dielectric plate 4, inner wall one side fixedly connected with fixed plate 8 that leads to groove 7, spacing groove 9 has evenly been seted up to one side of fixed plate 8, the interval between two adjacent spacing grooves 9 is 0.1-0.3 mm, can carry out accurate regulation to the resonant frequency of antenna radiation, facilitate the use more.
Spiral arms 5 are wound on the outer sides of the support columns 3, the four spiral arms 5 are wound on the support columns 3 in the same direction, the spiral arms 5 are elastic spiral arms, the plasticity is high, the bending radian can be changed, the lower end of the spiral arm 5 is provided with a binding post 6 matched with the connecting port for use, the upper end of the spiral arm 5 is connected with a moving block 10, the outer side of the moving block 10 is hinged with a limiting rod 11 through a pin shaft, the limiting rod 11 is matched with a limiting groove 9 for use, and fixedly connected with first spring 12 between the outside of gag lever post 11 and the outer wall of movable block 10, the upper end bilateral symmetry of base 1 has seted up constant head tank 18, and the bottom of constant head tank 18 is equipped with positive pole magnet 20, and the lower extreme of locating piece 14 is equipped with negative pole magnet 21, attracts each other between positive pole magnet 20 and the negative pole magnet 21, can strengthen the fixed action to locating piece 14 for the stability of guard shield 13 is stronger.
A clamping groove 19 is formed in one side of the positioning groove 18, positioning blocks 14 matched with the positioning groove 18 are symmetrically arranged on two sides of the lower end of the shield 13, a mounting groove 15 is formed in the middle of each positioning block 14, a second spring 16 is arranged inside each mounting groove 15, and one end of each second spring 16 is fixedly connected with a positioning rod 17 matched with the clamping groove 19 for use.
The working principle is as follows: according to the invention, the protective cover 13 is sleeved on the outer sides of the circuit board 2, the support column 3, the spiral arm 5 and the like, the firmness of the device can be enhanced through the protective effect of the protective cover 13, the device is more stable and durable, the protective cover 13 is convenient to disassemble, the adjustment of the spiral arm 5 is facilitated, the limiting rod 11 can be driven to swing and withdraw from the limiting groove 9 through the movement of the moving block 10, then the limiting rod 11 is clamped in different limiting grooves 9, the bending radian of the spiral arm 5 can be changed, the resonance frequency of the four-arm spiral antenna can be changed, the frequency conversion purpose is achieved, the gain effect and the signal receiving effect of the antenna can be improved, and the device is more convenient to use.
The foregoing descriptions of embodiments of the present invention have been presented for purposes of illustration and description. They are not intended to be exhaustive or to limit the invention to the precise forms disclosed, and many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and their practical applications, to thereby enable others skilled in the art to best utilize the invention in various embodiments and with various modifications as are suited to the particular use contemplated. It is, therefore, to be understood that the invention is intended to cover all modifications and equivalents within the scope of the following claims.
Claims (6)
1. A high-precision quadrifilar helix antenna comprises a base and a shield, and is characterized in that the base
The middle part of the upper end of the circuit board is provided with a circuit board, the lower end of the circuit board is connected with a socket, and the front part and the rear part of the upper end of the circuit board are respectively provided with a socket
Both sides and the left and right sides are symmetrically provided with connecting ports, the middle part of the upper end of the circuit board is provided with a supporting column
The upper end of the support column is connected with a medium plate, the upper end of the medium plate is provided with a through groove, and the inner wall of the through groove
One side fixedly connected with fixed plate, the spacing groove has evenly been seted up to one side of fixed plate, the outer of support column
The side winding has spiral arm, and four spiral arm twines on the support column according to same direction, spiral arm
The lower end of the screw arm is provided with a binding post matched with the connecting port for use, and the upper end of the screw arm is connected with a moving block
The outer side of the moving block is hinged with a limiting rod through a pin shaft, and the space between the outer side of the limiting rod and the outer wall of the moving block
The first spring is fixedly connected with the limiting rod, the limiting rod is matched with the limiting groove for use, and the first spring can move through the moving block
The limiting rod is driven to swing, so that the limiting rod is clamped in different limiting grooves, thereby changing the bending radian of the spiral arm,
realize the frequency conversion, the constant head tank has been seted up to the upper end bilateral symmetry of base, the card has been seted up to one side of constant head tank
The lower end of the shield is symmetrically provided with positioning blocks matched with the positioning grooves, and the middle parts of the positioning blocks
The mounting groove is formed, a second spring is arranged in the mounting groove, and one end of the second spring is fixedly connected
A positioning rod matched with the clamping groove is arranged.
2. A high precision quadrifilar helix antenna according to claim 1, characterised in that said
The middle part of the upper end of the base is provided with a groove matched with the circuit board, and the bottom of the groove is provided with an elastic cushion.
3. A high precision quadrifilar helix antenna according to claim 1, characterised in that said
The socket is a high-frequency socket, and the type of the socket is SMA type or TNC type.
4. A high precision quadrifilar helix antenna according to claim 1, characterised in that said
The bottom of constant head tank is equipped with the positive pole magnet, the lower extreme of locating piece is equipped with the negative pole magnet.
5. A high accuracy quadrifilar helix antenna according to claim 1, characterised by two
The distance between the adjacent limiting grooves is 0.1-0.3 mm.
6. A high precision quadrifilar helix antenna according to claim 1, characterised in that said
The lower extreme both sides of base can be dismantled and be connected with the sucking disc, just the height that highly is greater than the socket of sucking disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811148158.8A CN109301434B (en) | 2018-10-09 | 2018-10-09 | High-precision four-arm helical antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811148158.8A CN109301434B (en) | 2018-10-09 | 2018-10-09 | High-precision four-arm helical antenna |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109301434A CN109301434A (en) | 2019-02-01 |
| CN109301434B true CN109301434B (en) | 2020-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811148158.8A Active CN109301434B (en) | 2018-10-09 | 2018-10-09 | High-precision four-arm helical antenna |
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| CN (1) | CN109301434B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111641035B (en) * | 2020-05-28 | 2021-08-24 | 宜宾学院 | Multi-frequency multi-mode combined antenna |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007174131A (en) * | 2005-12-20 | 2007-07-05 | Samsung Electronics Co Ltd | Helical antenna |
| CN201749953U (en) * | 2010-07-14 | 2011-02-16 | 海能达通信股份有限公司 | Double-frequency antenna |
| CN106711609A (en) * | 2017-01-10 | 2017-05-24 | 成都北斗天线工程技术有限公司 | Low-profile frequency conversion four-arm helical antenna and frequency conversion method thereof |
| CN107039751A (en) * | 2017-01-12 | 2017-08-11 | 成都天锐通科技有限公司 | A kind of helical antenna of uhf band |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7659867B2 (en) * | 2005-12-19 | 2010-02-09 | Samsung Electronics Co., Ltd. | Complex antenna |
| US10965012B2 (en) * | 2015-08-28 | 2021-03-30 | Huawei Technologies Co., Ltd. | Multi-filar helical antenna |
| CN207124274U (en) * | 2017-07-13 | 2018-03-20 | 苏炎杰 | It is a kind of can accurate adjustment signal receive height and orientation radar communication antenna |
| CN108155460B (en) * | 2017-11-30 | 2023-09-29 | 福州大学 | Double-frequency omni-directional coupling support-section loaded spiral antenna and manufacturing method thereof |
-
2018
- 2018-10-09 CN CN201811148158.8A patent/CN109301434B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007174131A (en) * | 2005-12-20 | 2007-07-05 | Samsung Electronics Co Ltd | Helical antenna |
| CN201749953U (en) * | 2010-07-14 | 2011-02-16 | 海能达通信股份有限公司 | Double-frequency antenna |
| CN106711609A (en) * | 2017-01-10 | 2017-05-24 | 成都北斗天线工程技术有限公司 | Low-profile frequency conversion four-arm helical antenna and frequency conversion method thereof |
| CN107039751A (en) * | 2017-01-12 | 2017-08-11 | 成都天锐通科技有限公司 | A kind of helical antenna of uhf band |
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| Publication number | Publication date |
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| CN109301434A (en) | 2019-02-01 |
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