CN220358333U - Parabolic antenna device - Google Patents
Parabolic antenna device Download PDFInfo
- Publication number
- CN220358333U CN220358333U CN202322002493.XU CN202322002493U CN220358333U CN 220358333 U CN220358333 U CN 220358333U CN 202322002493 U CN202322002493 U CN 202322002493U CN 220358333 U CN220358333 U CN 220358333U
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- 239000000758 substrate Substances 0.000 claims description 12
- 239000004020 conductor Substances 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 7
- 230000005855 radiation Effects 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 238000010295 mobile communication Methods 0.000 description 3
- 230000009977 dual effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
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- Aerials With Secondary Devices (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The utility model discloses a parabolic antenna apparatus, which comprises: the antenna comprises a connecting bracket, a sheet antenna and a reflecting surface antenna which is in a parabolic shape, wherein the connecting bracket is arranged on the concave surface of the reflecting surface antenna, two ends of the connecting bracket are respectively and fixedly connected with the sheet antenna and the reflecting surface antenna, the reflecting surface antenna is provided with a through hole, and the connecting bracket is provided with a through channel; the sheet antenna comprises a mounting bracket, a plurality of flaky radiators and a plurality of coaxial cables, wherein the radiators are arranged on the mounting bracket at intervals, the mounting bracket is provided with cable holes, and when the coaxial cables are electrically connected with one radiator to emit signals, the radiator is used for emitting electromagnetic waves and receiving electromagnetic waves reflected by a reflecting surface antenna, and the reflecting surface antenna is used for reflecting the electromagnetic waves emitted by the radiator and reflecting the received electromagnetic waves. The parabolic antenna device of the utility model has high gain and good directivity of the transmitted and received signals, and can cover a wide frequency band and a plurality of frequency bands and realize multi-port transmission and reception.
Description
Technical Field
The utility model relates to the technical field of mobile communication antennas, in particular to a parabolic antenna device.
Background
The parabolic antenna has the advantages of high gain, good directivity, simple structure, stable power, large capacity, long propagation distance and the like, and can carry out emergency wireless signal long-distance throwing under the condition that the communication facilities are inconvenient to set up in a short distance in a fire flood and earthquake, so as to realize long-distance coverage of remote targets in long and narrow areas such as railways, highways, rivers, valleys, offshore channels and the like. However, with the trend of communication, the parabolic antenna must be multi-port, wideband, and multi-band.
Most parabolic antennas comprise a feed source and a reflecting surface, the feed source used by the existing multi-band broadband parabolic antenna is a logarithmic period antenna or a multi-band broadband horn antenna, the feed source can only realize a single-polarization parabolic antenna, but can not realize dual polarization even multi-port parabolic antennas, and the multi-port parabolic antenna is difficult to realize multi-port emission and reception due to the structural problem by referring to Chinese patent CN 202222875757.8; the existing multi-port parabolic antenna uses a feed source which is a dipole antenna, but the bandwidth of the dipole antenna is narrow, so that the multi-frequency band used by the existing mobile communication antennas for communication 2G, 3G, 4G and 5G cannot be covered.
Disclosure of Invention
The object of the present utility model is to provide a parabolic antenna apparatus which has high gain and good directivity of a transmission and reception signal, covers a wide band, has a large frequency band, and can realize multi-port transmission and reception.
In order to achieve the above object, the present utility model discloses a parabolic antenna apparatus comprising: the antenna comprises a connecting bracket, a feed source antenna and a reflecting surface antenna, wherein the reflecting surface antenna is parabolic, the connecting bracket is arranged on a concave surface of the reflecting surface antenna, two ends of the connecting bracket are fixedly connected with the feed source antenna and the reflecting surface antenna respectively, the reflecting surface antenna is provided with a through hole, and the connecting bracket is provided with a through channel communicated with the through hole; the feed source antenna comprises a mounting bracket, a plurality of flaky radiators and a plurality of coaxial cables, wherein the radiators are arranged on the mounting bracket at intervals, the mounting bracket is provided with a cable hole, one coaxial cable is electrically connected with the radiators and sequentially penetrates through the cable hole, the through passage and the through hole, when signals are transmitted, the radiators are used for transmitting electromagnetic waves, the reflector antenna is used for reflecting the electromagnetic waves transmitted by the radiators, when signals are received, the reflector antenna is used for reflecting the received electromagnetic waves, and the radiators are used for receiving the electromagnetic waves reflected by the reflector antenna.
Optionally, the mounting bracket includes a bottom cover and a top cover, the bottom cover is provided with the cable hole, the radiators are arranged on the bottom cover at intervals along the radial direction of the bottom cover, the top cover is in a flat pot cover shape, and the top cover covers the bottom cover and covers the radiators.
Optionally, a connecting rod is disposed on one surface of the bottom cover, which is close to the connecting bracket, the connecting rod is in threaded connection with the connecting bracket, and the cable hole extends along the connecting rod and is communicated with the through channel.
Optionally, the radiator is provided with four and has a 90-degree rotationally symmetrical structure.
Optionally, four coaxial cables are provided, and a connector is provided at one end of each coaxial cable away from the radiator.
Optionally, each radiator includes a substrate provided with a connection hole, a feeder line, and a high-frequency radiation unit and a low-frequency radiation unit that are coupled to each other, the high-frequency radiation unit is connected with the feeder line and is attached to one surface of the substrate, the low-frequency radiation unit is attached to the other surface of the substrate, an inner conductor of the coaxial cable passes through the connection hole and is connected with the feeder line, and an outer conductor of the coaxial cable is connected with the low-frequency radiation unit.
Optionally, the reflecting surface antenna extends in a transverse direction and is in a grid shape.
Optionally, the reflecting surface antenna includes the first half parabolic spare and the second half parabolic spare of symmetry setting, first half parabolic spare with the one end that the second half parabolic spare kept away from each other is the pitch arc, first half parabolic spare with the one end that the second half parabolic spare is close to each other is provided with the connection convex part respectively, the connection convex part is provided with the through-hole, two adjacent the laminating of connection convex part sets up and passes through screw rod fixed connection.
Optionally, the parabolic antenna device further comprises a connecting piece, wherein the connecting piece is arranged on the convex surface of the reflecting surface antenna, and the connecting piece is fixedly connected with the reflecting surface antenna and the mounting rod respectively.
Optionally, the connecting piece includes first connecting portion and the second connecting portion that mutually perpendicular set up, first connecting portion corresponds the through-hole is provided with the through wires hole that runs through, first connecting portion pass through the screw rod with reflecting surface antenna fixed connection, second connecting portion pass through U-shaped screw rod with installation pole fixed connection.
The feed source antenna and the reflecting surface antenna are connected by the connecting bracket so that the feed source antenna is positioned at the concave focus of the reflecting surface antenna, the feed source antenna is provided with a plurality of flaky radiators for transmitting and receiving electromagnetic waves, the effect of covering the flaky antennas with wide frequency band and multiple frequency bands can be realized, the coaxial cable arranged by the feed source antenna is electrically connected with the radiators and passes through the cable hole of the mounting bracket, the penetrating channel of the connecting bracket and the penetrating hole of the reflecting surface antenna, the plurality of radiators can realize multi-port transmitting and receiving under the cooperation of the plurality of coaxial cables, and the reflecting surface antenna is matched with the feed source antenna, the radiators reflect electromagnetic waves when transmitting signals and reflect received electromagnetic waves to the radiators when receiving signals, and the transmitting and receiving effects with high gain and good directivity are facilitated. The parabolic antenna device has simple integral structure, is beneficial to improving the production efficiency of products and saves the cost.
Drawings
Fig. 1 is a perspective view of a parabolic aerial apparatus according to an embodiment of the present utility model.
Fig. 2 is a perspective view of another view of fig. 1.
Fig. 3 is an exploded view of a connection bracket and a feed antenna in the parabolic antenna apparatus according to the embodiment of the present utility model.
Fig. 4 is a front view of a radiator in a parabolic antenna apparatus according to an embodiment of the present utility model.
Fig. 5 is a rear view of a radiator in a parabolic antenna apparatus according to an embodiment of the present utility model.
Fig. 6 is an exploded view of a radiator antenna in the parabolic antenna apparatus according to the embodiment of the present utility model.
Detailed Description
In order to describe the technical content, the constructional features, the achieved objects and effects of the present utility model in detail, the following description is made in connection with the embodiments and the accompanying drawings.
Referring to fig. 1 to 6, the present utility model discloses a parabolic antenna apparatus 100, which includes: the antenna comprises a connecting bracket 1, a feed source antenna 2 and a reflecting surface antenna 3, wherein the reflecting surface antenna 3 is in a parabolic shape, the connecting bracket 1 is arranged on a concave surface of the reflecting surface antenna 3, two ends of the connecting bracket 1 are fixedly connected with the feed source antenna 2 and the reflecting surface antenna 3 respectively, the reflecting surface antenna 3 is provided with a through hole 31, and the connecting bracket 1 is provided with a through channel 11 communicated with the through hole 31; the feed antenna 2 comprises a mounting bracket 21, a plurality of flaky radiators 22 and a plurality of coaxial cables 23, wherein the radiators 22 are arranged on the mounting bracket 21 at intervals, the mounting bracket 21 is provided with cable holes 211, the coaxial cables 23 are electrically connected with one radiator 22 and sequentially penetrate through the cable holes 211, the penetrating channels 11 and the penetrating holes 31, when signals are transmitted, the radiators 22 are used for transmitting electromagnetic waves, the reflector antenna 3 is used for reflecting the electromagnetic waves transmitted by the radiators 22, when signals are received, the reflector antenna 3 is used for reflecting the received electromagnetic waves, and the radiators 22 are used for receiving the electromagnetic waves reflected by the reflector antenna 3.
The feed source antenna 2 and the reflecting surface antenna 3 are connected by the connecting bracket 1, so that the feed source antenna 2 is positioned at the concave focus of the reflecting surface antenna 3, the feed source antenna 2 is provided with the plurality of flaky radiators 22 for transmitting and receiving electromagnetic waves, the effect of covering the flaky antennas with wide frequency band and multiple frequency bands can be realized, the coaxial cable 23 arranged on the feed source antenna 2 is electrically connected with the radiators 22 and passes through the cable hole 211 of the mounting bracket 21, the through channel 11 of the connecting bracket 1 and the through hole 31 of the reflecting surface antenna 3, the plurality of radiators 22 can realize multi-port transmitting and receiving under the cooperation of the plurality of coaxial cables 23, the reflecting surface antenna 3 is matched with the feed source antenna 2, the radiating bodies 22 transmit the electromagnetic waves when transmitting signals, and the radiating bodies 22 reflect the received electromagnetic waves when receiving signals, and the transmitting and receiving effects with high gain and good directivity are realized. The parabolic antenna apparatus 100 has a simple overall structure, is beneficial to improving the production efficiency of products, and saves the cost.
Referring to fig. 1 to 3, the mounting bracket 21 includes a bottom cover 211 and a top cover 212, the bottom cover 211 is provided with cable holes 211, the radiator 22 is arranged on the bottom cover 211 at intervals in a radial direction of the bottom cover 211, the top cover 212 is in a flat pot cover shape, and the top cover 212 covers the bottom cover 211 and covers the radiator 22. The radiator 22 in the shape of a sheet is matched with the top cover 212 in the shape of a flat pot cover, which is beneficial to reducing the thickness of the whole feed antenna 2.
Optionally, a connecting rod 213 is disposed on a surface of the bottom cover 211 near the connection bracket 1, the connecting rod 213 is screwed with the connection bracket 1, and the cable hole 211 extends along the connecting rod 213 and communicates with the through channel 11.
Specifically, in this embodiment, the outer side surface of the connecting rod 213 near one end of the connecting bracket 1 is provided with a screw thread, and the side wall of the through channel 11 of the connecting bracket 1 near one side of the connecting rod 213 is correspondingly provided with a screw thread, so that the feed antenna 2 is directly connected with the connecting bracket 1 in a mounting manner, and the mounting operation is simple.
Specifically, in the present embodiment, the axial dimension of the connection bracket 1 is 250mm, so that the feed antenna 2 can be located at the focal point of the reflection surface antenna 3, and the radial dimension of the connection bracket 1 is 28mm, which is advantageous for four coaxial cables 23 to easily pass through, and does not damage the coaxial cables 23 that rotate with them when the feed antenna 2 is rotatably mounted.
Referring to fig. 1 to 5, the radiator 22 is provided with four feed antennas 2 with 90-degree rotation symmetry, which is beneficial to realizing multi-port transmitting and receiving effects of the multi-band ultra-wideband feed antennas 2.
Specifically, in this embodiment, four radiators 22 enclose a circle, and each two adjacent radiators 22 are placed at 90 degrees, so that the structure of the feed antenna 2 is more compact, the volume of the feed antenna 2 is reduced, and good radiation performance of the feed antenna 2 is maintained.
Referring to fig. 1 to 3, four coaxial cables 23 are provided, and a connector 231 is provided at an end of each coaxial cable 23 remote from the radiator 22.
Specifically, in the present embodiment, the radial dimension of the connection bracket 1 is 28mm, which is advantageous in that the connectors 231 of the four coaxial cables 23 can be easily passed therethrough, and the coaxial cables 23 and the connectors 231 rotating together are not damaged when the feed antenna 2 is rotatably mounted.
Referring to fig. 1 to 5, each radiator 22 includes a substrate 222 provided with a connection hole 221, a power supply line 223, and a high frequency radiating unit 224 and a low frequency radiating unit 225 coupled to each other, the high frequency radiating unit 224 is connected to the power supply line 223 and is attached to one surface of the substrate 222, the low frequency radiating unit 225 is attached to the other surface of the substrate 222, an inner conductor of the coaxial cable 23 is connected to the power supply line 223 through the connection hole 221, and an outer conductor of the coaxial cable 23 is connected to the low frequency radiating unit 225. The high-frequency radiating unit 224 and the low-frequency radiating unit 225 can realize the good effect of the multi-band ultra-wideband standing wave of the sheet antenna, and are suitable for the frequency bands used by the 2G, 3G, 4G and 5G mobile communication antennas.
Specifically, in the present embodiment, the substrate 222 is mounted in parallel on the bottom cover 211, the high frequency radiating unit 224 and the power supply line 223 are provided on the upper plate surface of the substrate 222, the power supply line 223 extends to the periphery of the connection hole 221, and the low frequency radiating unit 225 is provided on the lower plate surface of the substrate 222, but is not limited thereto.
Referring to fig. 1 to 6, the reflector antenna 3 extends in a lateral direction and has a grid shape.
Specifically, in the present embodiment, the reflecting surface antenna 3 has a length of 1000mm and a width of 605mm, but is not limited thereto, and the reflecting surface antenna 3 includes a plurality of grating bars 31 arranged at intervals to form grating grooves 32 extending in the vertical direction, and the adjacent grating bars 31 are laterally spaced at intervals of 20mm, effectively reducing the weight of the reflecting surface antenna 3 as a whole.
Referring to fig. 1 to 6, the reflector antenna 3 includes a first half parabolic member 33 and a second half parabolic member 34 which are symmetrically arranged, one ends of the first half parabolic member 33 and the second half parabolic member 34, which are far away from each other, are arc-shaped, one ends of the first half parabolic member 33 and the second half parabolic member 34, which are close to each other, are respectively provided with a connection convex portion 35, the connection convex portion 35 is provided with a through hole, and two adjacent connection convex portions 35 are attached and fixedly connected through a screw rod, so that the reflector antenna 3 is convenient to produce and assemble and install.
Specifically, in the present embodiment, the shapes of the first half parabolic member 33 and the second half parabolic member 34 are the same, one of the half parabolic members is rotated 180 ° at the time of assembly so that one ends of the first half parabolic member 33 and the second half parabolic member 34 where the connection convex portions 35 are provided are arranged oppositely, the connection convex portions 35 on the first half parabolic member 33 and the connection convex portions 35 on the second half parabolic member 34 are provided in plural and one-to-one correspondence, and the connection convex portions 35 of the first half parabolic member 33 and the connection convex portions 35 of the second half parabolic member 34 are fixedly connected by means of screws and nuts to connect the first half parabolic member 33 and the second half parabolic member 34 in combination as the reflector antenna 3, but is not limited thereto.
Specifically, in the present embodiment, the mounting portions 36 are provided at the intermediate positions of the ends of the first half parabolic member 33 and the second half parabolic member 34 that are close to each other, respectively, the two mounting portions 36 are provided with through holes, respectively, the two mounting protrusions 361 are provided at the sides of the two mounting portions 36 that are close to each other, respectively, the four mounting protrusions 361 are provided with through holes, respectively, the two mounting portions 36 are connected in pairs by the four mounting protrusions 361 to form a combination, and the intermediate positions of the two mounting portions 36 after combination form the through holes 31 for the connector 231 and the coaxial cable 23 to pass through;
the connecting bracket 1 is provided with a continuous extension portion 12 at one end close to the reflecting surface antenna 3, the extension portion 12 is provided with four through holes corresponding to the through holes of the mounting portion 36 and the mounting protruding portion 361, and a screw rod is used to pass through the through holes of the extension portion 12 and the mounting portion 36 and the through holes of the extension portion 12 and the mounting protruding portion 361 and match nuts, so that the extension portion 12 is fixedly connected with the two combined mounting portions 36, and further the connecting bracket 1 is mounted and fixed at the middle position of the concave surface of the reflecting surface antenna 3, but the connecting bracket is not limited to the above.
Referring to fig. 1 to 6, the parabolic antenna apparatus 100 further includes a connecting member 4, wherein the connecting member 4 is disposed on the convex surface of the reflecting surface antenna 3, and the connecting member 4 is fixedly connected with the reflecting surface antenna 3 and the mounting rod 5, so that the reflecting surface antenna 3 is fixedly mounted on the mounting rod 5, and the structure stability is good, and meanwhile, the dismounting and the mounting are convenient.
Optionally, the connecting piece 4 includes a first connecting portion 41 and a second connecting portion 42 that are disposed perpendicular to each other, the first connecting portion 41 is provided with a threading hole 411 corresponding to the through hole 31, the first connecting portion 41 is fixedly connected with the reflector antenna 3 through a screw, and the second connecting portion 42 is fixedly connected with the mounting rod 5 through a U-shaped screw.
Specifically, in the present embodiment, the first connection portion 41 is provided with four through holes corresponding to the through holes of the mounting portion 36 and the mounting convex portion 361, and the first connection portion 41 and the mounting portion 36 are fixedly connected by screws and nuts, and after mounting, the connector 231 and the coaxial cable 23 pass through the threading hole 411, but is not limited thereto.
The foregoing description of the preferred embodiments of the present utility model is not intended to limit the scope of the claims, which follow, as defined in the claims.
Claims (10)
1. A parabolic antenna apparatus, comprising:
a connecting bracket, a feed source antenna and a reflecting surface antenna,
the reflecting surface antenna is in a parabolic shape, the connecting bracket is arranged on the concave surface of the reflecting surface antenna, two ends of the connecting bracket are fixedly connected with the feed source antenna and the reflecting surface antenna respectively, the reflecting surface antenna is provided with a through hole, and the connecting bracket is provided with a through channel communicated with the through hole;
the feed source antenna comprises a mounting bracket, a plurality of flaky radiators and a plurality of coaxial cables, wherein the radiators are arranged on the mounting bracket at intervals, the mounting bracket is provided with a cable hole, one coaxial cable is electrically connected with the radiators and sequentially penetrates through the cable hole, the through passage and the through hole, when signals are transmitted, the radiators are used for transmitting electromagnetic waves, the reflector antenna is used for reflecting the electromagnetic waves transmitted by the radiators, when signals are received, the reflector antenna is used for reflecting the received electromagnetic waves, and the radiators are used for receiving the electromagnetic waves reflected by the reflector antenna.
2. The parabolic antenna apparatus according to claim 1, wherein the mounting bracket comprises a bottom cover provided with the cable holes and a top cover having a flat pot shape, the top cover being provided with the cable holes and being arranged on the bottom cover at intervals in a radial direction of the bottom cover, and the top cover being covered on the bottom cover and covering the radiator.
3. The parabolic antenna apparatus according to claim 2, wherein a connection rod is provided on a side of the bottom cover adjacent to the connection bracket, the connection rod is screwed with the connection bracket, and the cable hole extends along the connection rod and communicates with the through passage.
4. The parabolic antenna apparatus according to claim 2, wherein the radiator is provided with four and 90-degree rotation symmetrical structures.
5. The parabolic antenna apparatus according to claim 1, wherein four coaxial cables are provided, each of which is provided with a connector at an end thereof remote from the radiator.
6. The parabolic antenna apparatus according to claim 1, wherein each of the radiators comprises a substrate provided with a connection hole, a feed line, and a high-frequency radiating element and a low-frequency radiating element coupled to each other, the high-frequency radiating element is connected to the feed line and attached to one surface of the substrate, the low-frequency radiating element is attached to the other surface of the substrate, an inner conductor of the coaxial cable is connected to the feed line through the connection hole, and an outer conductor of the coaxial cable is connected to the low-frequency radiating element.
7. The parabolic antenna arrangement according to claim 1, wherein the reflecting surface antenna extends in a lateral direction and has a grid shape.
8. The parabolic antenna apparatus according to claim 7, wherein the reflecting surface antenna comprises a first half parabolic member and a second half parabolic member which are symmetrically arranged, one ends of the first half parabolic member and the second half parabolic member which are far away from each other are arc-shaped, one ends of the first half parabolic member and the second half parabolic member which are close to each other are respectively provided with a connecting convex part, the connecting convex parts are provided with through holes, and two adjacent connecting convex parts are arranged in a fitting manner and fixedly connected through screws.
9. The parabolic antenna apparatus according to claim 1, further comprising a connection member provided on a convex surface of the reflecting surface antenna, the connection member being fixedly connected with the reflecting surface antenna and the mounting bar, respectively.
10. The parabolic antenna apparatus according to claim 9, wherein the connection member comprises a first connection portion and a second connection portion which are disposed perpendicularly to each other, the first connection portion is provided with a threading hole penetrating through the through hole, the first connection portion is fixedly connected with the reflecting surface antenna by a screw, and the second connection portion is fixedly connected with the mounting rod by a U-shaped screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322002493.XU CN220358333U (en) | 2023-07-27 | 2023-07-27 | Parabolic antenna device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322002493.XU CN220358333U (en) | 2023-07-27 | 2023-07-27 | Parabolic antenna device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220358333U true CN220358333U (en) | 2024-01-16 |
Family
ID=89506977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322002493.XU Active CN220358333U (en) | 2023-07-27 | 2023-07-27 | Parabolic antenna device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220358333U (en) |
-
2023
- 2023-07-27 CN CN202322002493.XU patent/CN220358333U/en active Active
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