CN111029712B - Automatic rotary log periodic antenna of exhibition receipts - Google Patents
Automatic rotary log periodic antenna of exhibition receipts Download PDFInfo
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- CN111029712B CN111029712B CN201911329601.6A CN201911329601A CN111029712B CN 111029712 B CN111029712 B CN 111029712B CN 201911329601 A CN201911329601 A CN 201911329601A CN 111029712 B CN111029712 B CN 111029712B
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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
- H01Q1/084—Pivotable 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
- H01Q1/12—Supports; Mounting means
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Abstract
The invention discloses an automatic unfolding and folding rotary log periodic antenna, which comprises a bottom turntable system and an antenna support arranged on the turntable system, wherein the antenna support comprises an unfolding and folding mechanism, a spiral elevator, a guide rail and a slide block are arranged in the unfolding and folding mechanism, a wire pulling rod is arranged at the top of the unfolding and folding mechanism, the roots of four scissor type supporting trusses assembled by square pipes and pin shafts are respectively arranged on four side surfaces of the unfolding and folding mechanism, the middle parts of the scissor type supporting trusses are connected with the unfolding and folding mechanism through the pin shafts, and the four supporting trusses are opposite in pairs to form a cross shape. The automatic unfolding and folding rotary log-periodic antenna disclosed by the invention has the advantages of simple design method and principle, feasible technology and convenience in application. Compared with the original antenna form which is manually disassembled and assembled, the antenna has the advantages of quick unfolding and folding, less operators, small size after folding, and easy storage and transportation.
Description
Technical Field
The invention belongs to the field of communication antennas, and particularly relates to an automatic unfolding and folding rotary log periodic antenna in the field.
Background
Along with the demand of mobile communication is more and more, the requirement on the structure use convenience of vehicle-mounted, ship-mounted and airborne antennas is also higher and higher. At present, the commonly used vehicle-mounted antenna is mainly manually installed and disassembled, the commonly used tube and rod type structure of the vehicle-mounted log-periodic antenna is used as the support of the antenna, the wire is used as the antenna surface, and the disassembly and the assembly of the antenna structure are time-consuming and labor-consuming. Furthermore, the time required for installing and erecting the mobile antenna is becoming shorter and shorter, and users want to be able to complete the antenna erection quickly and use the antenna for communication in the shortest time. With the improvement of the use requirement, the antennas originally used in some projects cannot meet the requirement of users on quick unfolding and folding of the antennas. Therefore, a log periodic antenna capable of being automatically folded and unfolded is needed, and the purposes of time saving and labor saving are achieved.
Disclosure of Invention
The invention aims to provide a rotary log periodic antenna capable of automatically unfolding and folding.
The invention adopts the following technical scheme:
an automatic unfolding and folding rotary log periodic antenna, the improvement is that: comprises a bottom turntable system, an antenna support arranged on the turntable system, a folding mechanism and a unfolding mechanism, a spiral elevator, a guide rail and a slide block are arranged in the unfolding and folding mechanism, a wire drawing rod is arranged at the top of the unfolding and folding mechanism, the roots of four scissor type supporting trusses assembled by square tubes and pin shafts are respectively arranged on the four side surfaces of the unfolding and folding mechanism, the middle parts of the supporting trusses are connected with the unfolding and folding mechanism through the pin shafts, the four supporting trusses are opposite in pairs to form a cross shape, the other ends of four truss wires, one ends of which are arranged on the wire drawing rod, are respectively connected with one supporting truss, the integrated line is arranged on the two opposite supporting trusses, the end parts of the other two opposite supporting trusses are respectively provided with a side cable, the other ends of the two side cables are jointly arranged at the end part of an adjacent supporting truss, and a plurality of vibrators are arranged between the two side cables and the integrated line at intervals according to a certain distance.
Furthermore, a lifting rod is arranged at the bottom of the rotary table system, and an antenna support is arranged at the top of the rotary table system.
Furthermore, one end of the spiral elevator is connected with the bottom mounting plate of the unfolding and folding mechanism, and the other end of the spiral elevator is connected with the top mounting plate; the guide rail is connected with the unfolding and folding mechanism mounting plate, and one end of the sliding block is connected with the guide rail and the other end of the sliding block is connected with the connecting plate.
Furthermore, a logarithmic period antenna surface is formed by the vibrators, the aggregation lines and the edge cables.
Furthermore, the gathering line adopts metal wires.
Furthermore, the oscillator is a metal wire, one end of the oscillator is connected with the aggregation line, and the other end of the oscillator is connected with the side cable.
The invention has the beneficial effects that:
the automatic unfolding and folding rotary log-periodic antenna disclosed by the invention has the advantages of simple design method and principle, feasible technology and convenience in application. Compared with the original antenna form which is manually disassembled and assembled, the antenna has the advantages of quick unfolding and folding, less operators, small size after folding, and easy storage and transportation.
The automatic unfolding and folding rotary log-periodic antenna disclosed by the invention can be applied to the field of communication antennas, and is particularly easy to master and implement by technicians in the field of vehicle-mounted, ship-mounted, airborne and other occasions with high requirements on the occupied area, weight, unfolding and folding of the antenna and high requirements of the technicians.
The automatic unfolding and folding rotary log-periodic antenna disclosed by the invention can ensure the electrical performance of the antenna and the rigidity strength of the antenna structure, is convenient to unfold and fold, saves time and labor, and effectively solves the problem of rapid unfolding and folding of the antenna.
Drawings
Fig. 1 is a schematic view of an unfolded structure of an antenna disclosed in embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of an antenna support in the antenna disclosed in embodiment 1 of the present invention;
fig. 3 is a schematic structural diagram of a spreading and retracting mechanism in the antenna disclosed in embodiment 1 of the present invention;
fig. 4 is a schematic structural diagram of an antenna plane in the antenna disclosed in embodiment 1 of the present invention;
fig. 5 is a schematic view of a retracting structure of the antenna disclosed in embodiment 1 of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Embodiment 1, as shown in fig. 1, this embodiment discloses an automatic unfolding and folding rotary log periodic antenna, which includes a bottom turntable system 3, an antenna support 2 installed on the turntable system, as shown in fig. 2 and 3, the antenna support includes an unfolding and folding mechanism 7, a spiral elevator, a guide rail and a slider are installed in the unfolding and folding mechanism, the spiral elevator realizes unfolding and folding of the antenna, a wire-pulling rod 14 is installed at the top of the unfolding and folding mechanism, the root parts of four scissor-type supporting trusses 8 assembled by square tubes and pins are respectively installed at four side surfaces of the unfolding and folding mechanism, the middle parts of the supporting trusses are connected with the unfolding and folding mechanism through pins, the unfolding and folding of the antenna are realized, the four supporting trusses are opposite to each other to form a cross, the other ends of four truss wires 9 installed on the wire-pulling rod at one end are respectively connected with one supporting truss, and an aggregate wire is installed on the two opposite supporting trusses, and the other two opposite ends of the support truss are respectively provided with a side cable, the other ends of the two side cables are jointly arranged at the end part of an adjacent support truss, and a plurality of vibrators are arranged between the two side cables and the aggregation line at intervals according to a certain distance.
In this embodiment, a lifting pole is mounted at the bottom of the turntable system and an antenna support is mounted at the top of the turntable system. As shown in fig. 3, one end of the spiral elevator 10 is connected with the bottom mounting plate of the unfolding and folding mechanism, and the other end is connected with the top mounting plate, so that the unfolding and folding of the log periodic antenna can be realized only by controlling the spiral elevator to move up and down through a control button; the guide rail 11 is connected with the unfolding and folding mechanism mounting plate 13, and one end of the sliding block 12 is connected with the guide rail and the other end is connected with the connecting plate. As shown in fig. 1 and 4, a log periodic antenna plane 1 is composed of a vibrator 4, a collective line 5 and a side cable 6. The gathering line adopts metal wire. The vibrator is a metal wire, one end of the vibrator is connected with the aggregation line, and the other end of the vibrator is connected with the side cable.
The embodiment can realize the electric control of the unfolding, folding (the state is shown in figure 5) and rotation of the log periodic antenna, and has the advantages of compact structure, convenient and fast operation, few operators and the like.
Claims (5)
1. The utility model provides an automatic rotatory log periodic antenna of exhibition receipts which characterized in that: comprises a bottom turntable system, an antenna support arranged on the turntable system, a folding mechanism and a unfolding mechanism, a spiral elevator, a guide rail and a slide block are arranged in the unfolding and folding mechanism, a wire drawing rod is arranged at the top of the unfolding and folding mechanism, the roots of four scissor type supporting trusses assembled by square tubes and pin shafts are respectively arranged on the four side surfaces of the unfolding and folding mechanism, the middle parts of the supporting trusses are connected with the unfolding and folding mechanism through the pin shafts, the four supporting trusses are opposite in pairs to form a cross shape, the other ends of four truss wires, one ends of which are arranged on the wire drawing rod, are respectively connected with four different supporting trusses, the integrated line is arranged on the two opposite supporting trusses, the end parts of the other two opposite supporting trusses are respectively provided with a side cable, the other ends of the two side cables are jointly arranged at the end part of an adjacent supporting truss, and a plurality of vibrators are arranged between the two side cables and the integrated line at intervals according to a certain distance.
2. The auto-unfolding rotating log-periodic antenna according to claim 1, wherein: the bottom of the turntable system is provided with a lifting rod, and the top of the turntable system is provided with an antenna support.
3. The auto-unfolding rotating log-periodic antenna according to claim 1, wherein: the logarithmic period antenna surface is composed of vibrators, aggregation lines and border cables.
4. The auto-unfolding rotating log-periodic antenna according to claim 1, wherein: the gathering line adopts metal wire.
5. The auto-unfolding rotating log-periodic antenna according to claim 1, wherein: the vibrator is a metal wire, one end of the vibrator is connected with the aggregation line, and the other end of the vibrator is connected with the side cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911329601.6A CN111029712B (en) | 2019-12-20 | 2019-12-20 | Automatic rotary log periodic antenna of exhibition receipts |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911329601.6A CN111029712B (en) | 2019-12-20 | 2019-12-20 | Automatic rotary log periodic antenna of exhibition receipts |
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| CN111029712A CN111029712A (en) | 2020-04-17 |
| CN111029712B true CN111029712B (en) | 2021-10-12 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112018487B (en) * | 2020-08-24 | 2022-01-11 | 西安电子科技大学 | Deployable helical antenna, communication system, radar and electronic countermeasure system |
| CN112216946B (en) * | 2020-10-14 | 2023-01-24 | 中国电波传播研究所（中国电子科技集团公司第二十二研究所） | Scissor-fork type automatic unfolding and folding antenna and design and construction method thereof |
| CN112531315B (en) * | 2020-11-27 | 2021-11-30 | 浙江大学 | Synchronous unfolding mechanism for satellite-borne phased-array antenna |
| CN113013579B (en) * | 2021-02-26 | 2023-08-22 | 河南爱科瑞特电子科技有限公司 | Motorized high gain antenna |
| CN114069187B (en) * | 2021-11-05 | 2023-09-22 | 河南爱科瑞特电子科技有限公司 | Self-expanding vertical log periodic antenna and method of use thereof |
| CN114976569A (en) * | 2022-06-23 | 2022-08-30 | 中国电子科技集团公司第五十四研究所 | Logarithmic period antenna capable of being unfolded and stored along with electric antenna mast |
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