CN211017382U - Motor-driven low-frequency transmitting antenna - Google Patents
Motor-driven low-frequency transmitting antenna Download PDFInfo
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- CN211017382U CN211017382U CN201921809530.5U CN201921809530U CN211017382U CN 211017382 U CN211017382 U CN 211017382U CN 201921809530 U CN201921809530 U CN 201921809530U CN 211017382 U CN211017382 U CN 211017382U
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- transmitting antenna
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Abstract
The utility model relates to an antenna equipment technical field provides a motor-driven low frequency transmitting antenna, include: the antenna body is in an inverted cone shape and comprises a plurality of top lines and a plurality of lead wires; the four top lines are sequentially connected end to construct four edges of the top surface of the antenna body; four of the lead wires extend downward from four corners of the top surface respectively and converge to a bottom point to construct bottom corners of the antenna body. The antenna body of the mobile low-frequency transmitting antenna is arranged in an inverted cone shape, which is equivalent to increase of the length of the antenna, and the capacitive reactance of the antenna can be effectively reduced, so that the voltage of the antenna is reduced, and the bearing power of the antenna is increased; the conventional iron tower antenna with the length of hundreds of meters can be reduced to dozens of meters, is more flexible and can be unfolded in the field according to requirements; although the antenna has low efficiency and limited radiation range, the antenna can be used as a supplement for the fixed station and can also make up the blind area of the fixed station.
Description
Technical Field
The utility model relates to an antenna equipment technical field, in particular to motorized low frequency transmitting antenna.
Background
The BP L long wave time service system undertakes the tasks of time reference maintenance and long wave time service broadcast, the center frequency of the broadcast pulse signal is 100kHz, the repetition period of the pulse group is 60ms, the peak value effective power of the transmitter reaches 2MW, and the time service coverage radius reaches 1000km to 2000 km.
The long-wave time service system adopts a high-power fixed broadcasting station to broadcast time service signals, and basically realizes full coverage in a mode of combining multiple stations in different areas. However, a small number of small coverage blind areas exist inevitably, the coverage blind areas are small in area and long and narrow in shape, and if a new fixed station is adopted or the radiation power of the fixed station is increased to compensate blind areas, the cost is high.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
In view of the technical defects and application requirements, the application provides a motorized low-frequency transmitting antenna to solve the problem that the existing long-wave time service system has a small number of coverage blind areas in a small range.
(II) technical scheme
In order to solve the above problem, the utility model provides a motorized type low frequency transmitting antenna, include: the antenna body is in an inverted cone shape and comprises a plurality of top lines and a plurality of lead wires; the four top lines are sequentially connected end to construct four edges of the top surface of the antenna body; the four lead wires extend downwards from four top corners of the top surface respectively and converge to a bottom point to construct the bottom corner of the antenna body.
Wherein the top line is connected between the two oppositely arranged edges; the top line is connected between two opposite corners of the top surface.
Wherein, the arrangement direction of the top line is consistent with the direction of the perpendicular bisector of the two oppositely arranged sides.
Wherein the four lead lines extend from the four sides to the bottom point, respectively.
Wherein the four lead lines respectively extend from the midpoints of the four sides to the bottom point.
The mobile low-frequency transmitting antenna also comprises a plurality of masts fixed on the ground;
the four top corners of the top surface are respectively connected with a top line insulator, and any top line insulator is hung on one mast; any mast is made of an inflatable multi-section telescopic pull rod.
The motorized low-frequency transmitting antenna further comprises pull wires, and any mast is fixed on the ground through the pull wires.
And the top line and the lead wire are both made of mixed metal stranded wires.
The mobile low-frequency transmitting antenna further comprises a feed insulator and a grounding unit, wherein the base angle is located at the top of the feed insulator, and the bottom of the feed insulator is in contact with the grounding unit.
The grounding unit comprises a plurality of radial grounding network lines, the grounding network lines are converged at a grounding point, and the bottom of the feed insulator is in contact with the grounding point; any one of the ground net wires is correspondingly connected with a grounding column.
(III) advantageous effects
The utility model provides a motor-driven formula low frequency transmitting antenna utilizes the antenna body of back taper as radiating element's an antenna. The antenna body is arranged to the back taper, has increased antenna length in other words, can effectively reduce antenna capacitive reactance to reduce antenna voltage, increase antenna bearing power. The antenna reduces the conventional iron tower antenna with hundreds of meters to dozens of meters, is more flexible and can be unfolded in the field according to the requirements. Although the antenna has low efficiency and limited radiation range, the antenna can be used as a supplement for the fixed station and can also make up the blind area of the fixed station.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a motorized low-frequency transmitting antenna according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a mast provided by an embodiment of the present invention;
wherein, 1, a top line; 2. a lead wire; 3. a mast; 4. and a grounding unit.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Fig. 1 is a schematic structural diagram of a mobile low-frequency transmitting antenna provided by the embodiment of the present invention, as shown in fig. 1, the embodiment of the present invention provides a mobile low-frequency transmitting antenna, including: the antenna body is in an inverted cone shape and comprises a plurality of top lines 1 and a plurality of lead wires 2; the four top lines 1 are sequentially connected end to construct four edges of the top surface of the antenna body; four lead wires 2 extend downward from four top corners of the top surface respectively to converge to a bottom point to construct a bottom corner of the antenna body.
It should be noted that the shape of the antenna body may be an inverted cone, and the horizontal section of the antenna body may be a circle with a large top and a small bottom; the shape of the antenna body can be inverted cone-shaped, and the horizontal section of the antenna body can be a triangle with a large upper part and a small lower part; the shape of the antenna body can be inverted cone, and the horizontal section of the antenna body can be a quadrangle with a large upper part and a small lower part.
It is understood that the present embodiment is described by taking a case where the horizontal cross section of the antenna body is a square with a large top and a small bottom. Four top lines 1 are sequentially connected end to construct four edges of the top surface of the antenna body, two adjacent top lines 1 are vertically arranged, and the four top lines 1 form a square. Four lead wires 2 extend downward from four top corners of the square-shaped top surface respectively to converge to a bottom point to construct bottom corners of the antenna body. The bottom point is located on the central axis of the top surface, namely the projection point of the bottom point on the top surface is coincided with the central point of the top surface.
In the embodiment of the present invention, the motorized low-frequency transmitting antenna is an antenna using an inverted cone antenna as a radiating element. The antenna body is arranged to the back taper, has increased antenna length in other words, can effectively reduce antenna capacitive reactance to reduce antenna voltage, increase antenna bearing power. The antenna reduces the conventional iron tower antenna with hundreds of meters to dozens of meters, is more flexible and can be unfolded in the field according to the requirements. Although the antenna has low efficiency and limited radiation range, the antenna can be used as a supplement for the fixed station and can also make up the blind area of the fixed station.
On the basis of the above embodiment, a top line 1 is connected between two oppositely arranged edges; a top line 1 is connected between two opposite corners of the top surface.
In the embodiment of the present invention, the four sides of the top surface are sequentially named as a first side, a second side, a third side and a fourth side, the two ends of the first top line are respectively connected to the first side and the third side, and the two ends of the second top line are respectively connected to the second side and the fourth side;
the four top angles of the top surface are named as a first top angle, a second top angle, a third top angle and a fourth top angle in sequence, the two ends of a third top line are connected with the first top angle and the third top angle respectively, and the two ends of the third top line are connected with the second top angle and the fourth top angle respectively.
On the basis of the above-described embodiment, the arrangement direction of the apex line 1 coincides with the direction of the perpendicular bisector of the two sides arranged oppositely.
In the embodiment of the present invention, one end of the first vertex line is perpendicular to the first edge, one end of the first vertex line is located at the midpoint of the first edge, the other end of the first vertex line is perpendicular to the third edge, and the other end of the first vertex line is located at the midpoint of the third edge;
one end of the second top line is perpendicular to the second side, one end of the second top line is located at the midpoint of the second side, the other end of the second top line is perpendicular to the fourth side, and the other end of the second top line is located at the midpoint of the fourth side.
It should be noted that the first top line, the second top line, the third top line and the fourth top line intersect at a point, and the point coincides with the center point of the top surface.
On the basis of the above embodiment, four lead wires 2 extend from four sides to the bottom point, respectively.
In the embodiment of the present invention, four lead wires 2 are named as a first lead wire, a second lead wire, a third lead wire and a fourth lead wire in sequence, one end of the first lead wire is a first edge, the other end of the first lead wire is located at the bottom point, one end of the second lead wire is a second edge, the other end of the second lead wire is located at the bottom point, one end of the third lead wire is a third edge, the other end of the third lead wire is located at the bottom point, one end of the fourth lead wire is a fourth edge, and the other end of the fourth lead wire is located at the bottom point.
On the basis of the above embodiment, the four lead wires 2 extend from the midpoints of the four sides to the bottom point, respectively.
In the embodiment of the present invention, one end of the first lead is on the central point of the first edge, the other end of the first lead is located at the bottom point, one end of the second lead is on the central point of the second edge, the other end of the second lead is located at the bottom point, one end of the third lead is on the central point of the third edge, the other end of the third lead is located at the bottom point, one end of the fourth lead is on the central point of the fourth edge, and the other end of the fourth lead is located at the bottom point.
On the basis of the above embodiment, as shown in fig. 2, the mobile low-frequency transmitting antenna further includes a plurality of masts 3 fixed on the ground;
the four top corners of the top surface are respectively connected with a top line insulator, and any top line insulator is hung on a mast 3; any mast 3 is made of an inflatable multi-section telescopic pull rod.
The top line insulator is a lightweight low-loss high-voltage insulator. Mast 3 is electronic or hand formula lifter, and mast 3's preparation material is high strength aluminum alloy.
In the embodiment of the present invention, the four top line insulators are named as a first top line insulator, a second top line insulator, a third top line insulator and a fourth top line insulator in sequence; the four masts 3 are named first mast, second mast, third mast and fourth mast in sequence.
The first vertex angle is connected with a first top line insulator, and the first top line insulator is suspended on the first mast; the second vertex angle is connected with a second top line insulator, and the second top line insulator is suspended on the second mast; the third vertex angle is connected with a third top line insulator, and the third top line insulator is suspended on the third mast; the fourth vertex angle is connected with a fourth top line insulator, and the fourth top line insulator is hung on the fourth mast.
Four masts all adopt the scalable pull rod of inflatable multistage to constitute, and the quick lift of accessible air compressor does not need complicated supplementary installation work piece and flow, conveniently carries the equipment.
On the basis of the above embodiment, the motorized low-frequency transmitting antenna further comprises pull wires, and any mast 3 is fixed on the ground through a plurality of pull wires.
In the embodiment of the utility model, the one end of acting as go-between is fixed in mast 3, and the other end of acting as go-between is connected to ground through the earth anchor. Wherein, the stay wire can be a high-strength fiber rope.
On the basis of the above embodiment, the top wire 1 and the lead wire 2 both adopt mixed metal stranded wires.
The embodiment of the utility model provides an in, mixed metal stranded conductor is all adopted to terminal line 1 and lead wire 2, compromise high strength, high electrically conductive and corrosion resisting property.
It can be understood that the motorized low-frequency transmitting antenna is made of light materials, so that the weight is reduced, the telescopic structural design of the mast can facilitate quick manual erection, disassembly, assembly and transportation, and the requirement of temporarily and quickly deploying the antenna by the motorized broadcasting system is just met.
On the basis of the above embodiment, the mobile low-frequency transmitting antenna further includes a feed insulator and a grounding unit 4, the bottom corner of the antenna body is located at the top of the feed insulator, and the bottom of the feed insulator is in contact with the grounding unit 4.
The embodiment of the utility model provides an in, feed insulator is support column type high frequency high voltage insulator, contacts for the antenna body power supply through high-pressure feed cable and feed insulator, and high-pressure feed cable is compound high tension cable, has that the current-carrying capacity is big, light, the good characteristics of pliability.
On the basis of the above embodiment, the grounding unit 4 includes a plurality of radial ground network lines, the ground network lines converge to a grounding point, and the bottom of the feed insulator contacts with the grounding point; any one ground net wire is correspondingly connected with a grounding post.
The embodiment of the utility model provides an in, grounding unit 4 includes that 24 are radial ground net twines, and the one end of 24 ground net twines all assembles in the ground point, and the other end of 24 ground net twines all is connected with a ground post.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. A motorized low frequency transmitting antenna, comprising: the antenna body is in an inverted cone shape and comprises a plurality of top lines and a plurality of lead wires; the four top lines are sequentially connected end to construct four edges of the top surface of the antenna body; the four lead wires extend downwards from four top corners of the top surface respectively and converge to a bottom point to construct the bottom corner of the antenna body.
2. The motorized low frequency transmitting antenna according to claim 1, wherein the vertex line is connected between two oppositely disposed edges; the top line is connected between two opposite corners of the top surface.
3. Motorized low frequency transmission antenna according to claim 2, characterized in that said vertex line is arranged in a direction coinciding with the direction of the perpendicular bisector of the two sides arranged opposite.
4. The motorized low frequency transmitting antenna of claim 2, wherein four of said legs each extend from four sides to said nadir.
5. The motorized low frequency transmitting antenna of claim 4 wherein four of said legs each extend from a midpoint of each of the four sides to said nadir.
6. The motorized low frequency transmission antenna according to any one of claims 1 to 5, further comprising a plurality of masts fixed to the ground;
the four top corners of the top surface are respectively connected with a top line insulator, and any top line insulator is hung on one mast; any mast is made of an inflatable multi-section telescopic pull rod.
7. The motorized low frequency transmission antenna of claim 6, further comprising a pull wire, wherein any one of the masts is fixed to the ground by a plurality of the pull wires.
8. The motorized low frequency transmitting antenna of claim 6, wherein the tip wire and the lead wire are each a hybrid metal stranded wire.
9. The motorized low frequency transmitting antenna according to claim 6, further comprising a feed insulator and a ground element, wherein the base angle is located at a top of the feed insulator, and wherein a bottom of the feed insulator is in contact with the ground element.
10. The motorized low frequency transmitting antenna according to claim 9, wherein the grounding unit comprises a plurality of radially-arranged ground wires, the ground wires converge to a grounding point, and the bottom of the feeding insulator contacts with the grounding point; any one of the ground net wires is correspondingly connected with a grounding column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921809530.5U CN211017382U (en) | 2019-10-25 | 2019-10-25 | Motor-driven low-frequency transmitting antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921809530.5U CN211017382U (en) | 2019-10-25 | 2019-10-25 | Motor-driven low-frequency transmitting antenna |
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| Publication Number | Publication Date |
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| CN211017382U true CN211017382U (en) | 2020-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921809530.5U Active CN211017382U (en) | 2019-10-25 | 2019-10-25 | Motor-driven low-frequency transmitting antenna |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110783696A (en) * | 2019-10-25 | 2020-02-11 | 武汉船舶通信研究所（中国船舶重工集团公司第七二二研究所） | Motor-driven low-frequency transmitting antenna |
| CN113701554A (en) * | 2021-07-15 | 2021-11-26 | 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） | Method for quickly laying ground net |
-
2019
- 2019-10-25 CN CN201921809530.5U patent/CN211017382U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110783696A (en) * | 2019-10-25 | 2020-02-11 | 武汉船舶通信研究所（中国船舶重工集团公司第七二二研究所） | Motor-driven low-frequency transmitting antenna |
| CN113701554A (en) * | 2021-07-15 | 2021-11-26 | 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） | Method for quickly laying ground net |
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