Tail end loading planar helical antenna

Abstract

The utility model discloses a terminal loading planar helical antenna, which comprises a bottom plate and an antenna body limiting assembly, the upper surface of the bottom plate is fixedly connected with a supporting block, the upper surface of the supporting block is fixedly connected with a fixing plate, a groove is arranged in the fixing plate, and the antenna body limiting assembly is arranged in the groove. The antenna body limiting assembly comprises a double-head motor, a threaded rod, a sliding block, a limiting plate and an anti-skid pad, the inner surface of the groove is fixedly connected with the double-head motor, the inner surface of the groove is slidably connected with the sliding block, and the output end of the double-head motor is fixedly connected with the threaded rod. When the antenna body is overhauled, other tools are not needed for operation, the time for taking down the antenna body is saved, the operation is simpler and more convenient, the two limiting plates arranged on the left side and the right side and the non-slip mat are used for limiting the antenna body, the situation that stress is not uniform after fixing is avoided, and the possibility that the limiting plates are loosened due to the fact that stress is not uniform is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of planar spiral antennas, and particularly relates to an end-loaded planar spiral antenna. Background Art

[0002] A transceiver antenna is a device used for transmitting and receiving electromagnetic wave signals. Transceiver antennas are divided into communication antennas, broadcast antennas, and radar antennas. Communication antennas are used in various communication systems, such as mobile communication, satellite communication, wireless local area networks, etc. Broadcast antennas are used for signal transmission by radio and television stations, and their main characteristics are high power and wide coverage.

[0003] After retrieval, it is found that the technical solution provided by the utility model with the application number CN202222899576.9 includes an antenna body and a right side plate. A left side plate is closely attached to the outer wall of one side of the antenna body, and the right side plate is closely attached to the outer wall of the other side of the antenna body. A screw rod is welded to the outer wall of the right side plate, and a limit block is nested on the outside of the screw rod. A fixed seat is closely attached to the bottom of the antenna body. This solution limits the antenna body by closely attaching the antenna body to the left side plate, rotating the screw rod to drive the right side plate to move, and adjusting the nut to prevent the screw rod from shifting in position. During the process, tools are needed to adjust the nut or bolt for operation, which is rather troublesome. Moreover, the single-sided fastening method will cause the antenna body to be unevenly stressed after being fixed. During long-term use, due to external forces or vibrations, the right side plate will gradually loosen, affecting the fixing effect. Summary of the Utility Model

[0004] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art, and provide an end-loaded planar spiral antenna. Through the settings of a fixing plate, a double-headed motor, a threaded rod, a slider, a limiting plate, and an anti-slip pad, the planar spiral antenna body can be limited. When the antenna body is being repaired, no other tools are needed for operation, saving the time for removing the antenna body, and the operation is simpler and more convenient. Moreover, the two limiting plates and anti-slip pads arranged on the left and right will not cause uneven stress after limiting, reducing the possibility of loosening of the limiting plate due to uneven stress.

[0005] To achieve the above object, the present utility model further provides an end-loaded planar spiral antenna having the above-mentioned one, including: a bottom plate and an antenna body limiting assembly. A support block is fixedly connected to the upper surface of the bottom plate, and a fixing plate is fixedly connected to the upper surface of the support block. A groove is provided inside the fixing plate. The antenna body limiting assembly includes a double-headed motor, a threaded rod, a slider, a limiting plate and an anti-slip pad. The inner surface of the groove is fixedly connected to the double-headed motor, and the inner surface of the groove is slidably connected to the slider. The output end of the double-headed motor is fixedly connected to the threaded rod, and the inner surface of the slider is threadedly connected to the threaded rod. The front surface of the slider is fixedly connected to the limiting plate, and the inner surface of the limiting plate is fixedly connected to the anti-slip pad.

[0006] According to the above-mentioned end-loaded planar spiral antenna, the double-headed motor is electrically connected to an external power source. The number of the threaded rod, the slider, the limiting plate and the anti-slip pad is two and they are distributed left and right. After the antenna body is limited by the two limiting plates and the anti-slip pads arranged left and right, the force received after fixation will not be uneven, reducing the possibility of loosening of the limiting plate caused by uneven force.

[0007] According to the above-mentioned end-loaded planar spiral antenna, the lower surface of the limiting plate is slidably connected to the support block, and the lower surface of the anti-slip pad is slidably connected to the support block.

[0008] According to the above-mentioned end-loaded planar spiral antenna, a support rod is fixedly connected to the upper surface of the support block, and a forward and reverse motor is fixedly connected to the right surface of the support rod.

[0009] According to the above-mentioned end-loaded planar spiral antenna, the forward and reverse motor is electrically connected to an external power source, and a rotating shaft is fixedly connected to the output end of the forward and reverse motor.

[0010] According to the above-mentioned end-loaded planar spiral antenna, a rotating block is fixedly connected to the side surface of the rotating shaft, and a reflector is fixedly connected to the rear surface of the rotating block. By starting the forward and reverse motor to rotate and drive the rotating shaft, the rotating block and the reflector to rotate, the use angle of the reflector can be adjusted, and the angle adjustment of the reflector is more flexible.

[0011] According to the above-mentioned end-loaded planar spiral antenna, a planar spiral antenna body is movably connected to the upper surface of the support block, and the side surface of the rotating shaft is rotatably connected to the support rod.

[0012] According to the above-mentioned end-loaded planar spiral antenna, a flow guiding groove is provided inside the bottom plate, and a flow guiding plate is fixedly connected to the bottom inner wall of the flow guiding groove. When it rains, rainwater drops onto the bottom plate and flows into the flow guiding groove, and flows out of the bottom plate through the guiding plate, preventing rainwater from accumulating and eroding the bottom plate, and prolonging the service life of the bottom plate.

[0013] Additional aspects and advantages of the present utility model will be given in part in the following description, become apparent in part from the following description, or be learned through the practice of the present utility model. Description of the Drawings

[0014] The present utility model will be further described below in conjunction with the drawings and embodiments;

[0015] Figure 1 It is a schematic diagram of the overall structure of a planar spiral antenna with end loading according to the present utility model;

[0016] Figure 2 It is a schematic diagram of the antenna body limiting component structure of a planar spiral antenna with end loading according to the present utility model;

[0017] Figure 3 It is a schematic diagram of a partial structure of a planar spiral antenna with end loading according to the present utility model;

[0018] Figure 4 is Figure 3 An enlarged schematic diagram of the structure at A in

[0019] Legend Explanation:

[0020] 1. Bottom plate; 2. Support block; 3. Fixed plate; 4. Groove; 5. Double-headed motor; 6. Threaded rod; 7. Slide block; 8. Limiting plate; 9. Anti-slip pad; 10. Support rod; 11. Forward and reverse motor; 12. Rotating shaft; 13. Rotating block; 14. Reflector; 15. Flow guide groove; 16. Flow guide plate; 17. Antenna body limiting component; 18. Planar spiral antenna body. Detailed Embodiment

[0021] This part will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the drawings. The function of the drawings is to supplement the description in the text part of the specification, enabling people to intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but it cannot be construed as a limitation on the protection scope of the present utility model.

[0022] Refer to Figures 1-4, an embodiment of the utility model provides an end-loaded planar spiral antenna, which comprises: a bottom plate 1 and an antenna body limiting component 17. The upper surface of the bottom plate 1 is fixedly connected with a support block 2, the upper surface of the support block 2 is fixedly connected with a fixing plate 3, a groove 4 is arranged inside the fixing plate 3. The antenna body limiting component 17 includes a double-headed motor 5, a threaded rod 6, a slider 7, a limiting plate 8 and an anti-slip pad 9. The inner surface of the groove 4 is fixedly connected with the double-headed motor 5, the inner surface of the groove 4 is slidably connected with the slider 7, the output end of the double-headed motor 5 is fixedly connected with the threaded rod 6, the inner surface of the slider 7 is threadedly connected with the threaded rod 6, the front surface of the slider 7 is fixedly connected with the limiting plate 8, the lower surface of the limiting plate 8 is slidably connected with the support block 2, the inner surface of the limiting plate 8 is fixedly connected with the anti-slip pad 9, the lower surface of the anti-slip pad 9 is slidably connected with the support block 2. The double-headed motor 5 is electrically connected with an external power supply. The number of the threaded rod 6, the slider 7, the limiting plate 8 and the anti-slip pad 9 is two and they are distributed left and right. The upper surface of the support block 2 is movably connected with a planar spiral antenna body 18. When it is necessary to repair the planar spiral antenna body 18, start the double-headed motor 5. The output end of the double-headed motor 5 rotates to drive the threaded rod 6 to rotate. The two sliders 7 on the threaded rod 6 move towards both ends. The slider 7 drives the limiting plate 8 and the anti-slip pad 9 to move away from the planar spiral antenna body 18, and no longer limits the planar spiral antenna body 18. The planar spiral antenna body 18 can be taken out for repair. When taking out the planar spiral antenna body 18, no other tools are needed. The upper surface of the support block 2 is fixedly connected with a support rod 10, the right surface of the support rod 10 is fixedly connected with a forward and reverse motor 11. The forward and reverse motor 11 is electrically connected with an external power supply. The output end of the forward and reverse motor 11 is fixedly connected with a rotating shaft 12. The side surface of the rotating shaft 12 is rotatably connected with the support rod 10. The side surface of the rotating shaft 12 is fixedly connected with a rotating block 13. The rear surface of the rotating block 13 is fixedly connected with a reflector 14. By starting the forward and reverse motor 11, while the output end of the forward and reverse motor 11 drives the rotating shaft 12 to rotate, the rotating block 13 and the reflector 14 on the rotating shaft 12 rotate, and the use angle of the reflector 14 can be adjusted. The inside of the bottom plate 1 is provided with a diversion groove 15. The bottom inner wall of the diversion groove 15 is fixedly connected with a diversion plate 16. When it rains, the rainwater falls onto the bottom plate 1 and flows into the diversion groove 15, and flows out of the bottom plate 1 through the diversion plate 16, preventing the rainwater from accumulating and eroding the bottom plate 1, and prolonging the service life of the bottom plate 1.

[0023] Working principle: When it is necessary to repair the planar spiral antenna body 18, start the double-headed motor 5. The rotation of the output end of the double-headed motor 5 drives the threaded rod 6 to rotate. The two sliders 7 on the threaded rod 6 move towards both ends. The movement of the sliders 7 drives the limit plate 8 and the anti-slip pad 9 away from the planar spiral antenna body 18, and no longer limits the planar spiral antenna body 18. Take out the planar spiral antenna body 18 to repair the planar spiral antenna body 18. After the repair is completed, place the planar spiral antenna body 18 between the two anti-slip pads 9, start the double-headed motor 5 to drive the threaded rod 6 to rotate, and the two sliders 7, the limit plate 8 and the anti-slip pad 9 on the threaded rod 6 move towards the center to limit the planar spiral antenna body 18. When limiting the planar spiral antenna body 18, no other tools are needed, and the operation is simple. This structure can limit the planar spiral antenna body 18. When the antenna body is repaired, no other tools are needed for operation, saving the time for removing the antenna body, and the operation is more simple and convenient. Moreover, the two limit plates 8 and the anti-slip pads 9 arranged on the left and right will not cause uneven force after being fixed, reducing the possibility of loosening of the limit plate 8 caused by uneven force.

[0024] The above has described the embodiments of the present invention in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those of ordinary skill in the art in the said technical field, various changes can also be made without departing from the purpose of the present invention.

Claims

1. A planar spiral antenna with end loading, characterized in that Including: A bottom plate (1) and an antenna body limiting component (17). A support block (2) is fixedly connected to the upper surface of the bottom plate (1). A fixing plate (3) is fixedly connected to the upper surface of the support block (2). A groove (4) is arranged inside the fixing plate (3). The antenna body limiting component (17) includes a double-headed motor (5), a threaded rod (6), a slider (7), a limiting plate (8) and an anti-slip pad (9). The inner surface of the groove (4) is fixedly connected to the double-headed motor (5). The inner surface of the groove (4) is slidably connected to the slider (7). The output end of the double-headed motor (5) is fixedly connected to the threaded rod (6). The inner surface of the slider (7) is threadedly connected to the threaded rod (6). The front surface of the slider (7) is fixedly connected to the limiting plate (8). The inner surface of the limiting plate (8) is fixedly connected to the anti-slip pad (9).

2. The planar spiral antenna with end loading according to claim 1, characterized in that, The double-headed motor (5) is electrically connected to an external power source. The number of the threaded rod (6), the slider (7), the limiting plate (8) and the anti-slip pad (9) is two each and they are distributed left and right.

3. The planar spiral antenna with end loading according to claim 1, characterized in that, The lower surface of the limiting plate (8) is slidably connected to the support block (2). The lower surface of the anti-slip pad (9) is slidably connected to the support block (2).

4. The planar spiral antenna with end loading according to claim 1, wherein A support rod (10) is fixedly connected to the upper surface of the support block (2). A forward and reverse motor (11) is fixedly connected to the right surface of the support rod (10).

5. The planar spiral antenna with end loading according to claim 4, characterized in that, The forward and reverse motor (11) is electrically connected to an external power source. The output end of the forward and reverse motor (11) is fixedly connected to a rotating shaft (12).

6. The planar spiral antenna with end loading according to claim 5, wherein, A rotating block (13) is fixedly connected to the side surface of the rotating shaft (12). A reflecting plate (14) is fixedly connected to the rear surface of the rotating block (13).

7. The planar spiral antenna with end loading according to claim 6, wherein A planar spiral antenna body (18) is movably connected to the upper surface of the support block (2). The side surface of the rotating shaft (12) is rotatably connected to the support rod (10).

8. The planar spiral antenna with end loading according to claim 1, wherein A diversion channel (15) is arranged inside the bottom plate (1). A diversion plate (16) is fixedly connected to the bottom inner wall of the diversion channel (15).

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