TWM610756U - Dish antenna - Google Patents

Abstract

A dish antenna, comprising a main disc, a transmitting device and a reflecting block, wherein the main disc comprises an arc-shaped main disc surface; the transmitting device is arranged on the main disc, and the transmitting device comprises a transmitter and a reflector The reflector, the emitter corresponds to the reflector, the reflector includes an arc-shaped reflecting surface, the reflecting surface corresponds to the main disc surface of the main disc; the reflecting block is detachably combined with the reflecting surface of the reflector, and the reflecting block corresponds to the emitting Device. Combining the reflecting block to the reflecting surface of the reflector, or detaching the reflecting surface, allows the dish antenna to form different configurations to achieve different reflection effects.

Description

Dish antenna

This creation is related to the antenna structure; in particular, it refers to a dish antenna with a changeable configuration.

With the vigorous development of wireless communications, various antennas have been developed to cater for different usage requirements. The demand for wireless signal bandwidth and data transmission rate is also increasing day by day. Therefore, how to provide antennas with high gain and high wireless signal transmission rate is one of the directions for research and innovation.

Among the many antennas, the dish antenna has the advantage of high gain, but the coverage area is narrow, and it must point to a specific direction. Figure 1 shows a conventional dish antenna 10, which includes a dish 12 and a launching device 14. The dish 12 has a disk surface. The launching device 14 is disposed on the dish 12. The launching device 14 includes a launcher 142 and a launcher. The reflector 144 has a reflecting surface 144 a, the reflector 144 corresponds to the reflecting surface 144 a of the transmitter 142, and the reflecting surface 144 a corresponds to the disc surface 12 a of the disc 12. The wireless signal emitted by the transmitter 142 is sent in the direction of the reflector 144. The wireless signal is projected on the corresponding reflective surface 144a, and is reflected by the reflective surface 144a of the reflector 144 to the corresponding disk surface 12a, and then reflected outward from the disk surface 12a. .

Although the conventional dish antenna 10 can transmit wireless signals, the transmitting device 14 can only be applied to a disc 12 of one size, that is, when it is replaced with a larger size disc 12, it is limited by reflection. The structure of the surface 144a cannot expand the range of the wireless signal reflected to the disk surface 12a, which will limit the applicability of the dish antenna 10.

In view of this, the purpose of this creation is to provide a dish-shaped antenna that can be formed into different configurations to increase the applicability.

In order to achieve the above-mentioned purpose, the dish antenna provided by this creation includes a main disc, a transmitting device and a reflecting block, wherein the main disc includes a main disc surface with an arc shape; the transmitting device is arranged on the main disc , The transmitting device includes a transmitter and a reflector, the transmitter corresponds to the reflector, the reflector includes an arc-shaped reflecting surface, the reflecting surface corresponds to the main disc surface of the main disc; the reflecting block is detachably combined with the reflector The reflective surface of the transmitter, and the reflective block corresponds to the transmitter.

The effect of this creation is that the reflecting block can be combined with the reflecting surface of the reflector, or the reflecting surface can be detached, so that the dish antenna can be formed into different configurations to achieve different reflection effects, thereby increasing the application situation.

In order to explain the creation more clearly, the preferred embodiments are described in detail in conjunction with the drawings as follows. Please refer to FIG. 2 to FIG. 10, the dish antenna 1 of the first preferred embodiment of this creation includes a main dish 20, a transmitting device 24, an extension dish 38 and a reflection block 54.

The material of the main disc 20 is metal. The main disc 20 has an arc-shaped main disc surface 202. The main disc 20 has an open side 204 and a coupling hole 206 is provided at the bottom of the disc. There is a coupling portion 208 on the periphery of the open side 204 for coupling with the extended disc 38. In this embodiment, the coupling portion 208 is an annular flange, and the annular flange is provided with a plurality of assembly holes 208a along the circumferential direction. The maximum inner diameter of the main disc surface 202 is a first inner diameter D1. In this embodiment, the first inner diameter D1 is 450 mm as an example, but it is not limited to this. In addition, in other embodiments, the main disc surface 202 of the main disc 20 can be selectively provided with meshes, thereby reducing the weight of the main disc 20, reducing wind resistance, and draining.

The transmitting device 24 is disposed on the main disk 20 and includes a waveguide 26, a transmitter 28 and a reflector 30. The materials of the waveguide 26, the transmitter 28 and the reflector 30 are preferably metal or materials with conductive properties. In this embodiment, the body of the wave guide 26 has a flange 262. When the first end of the wave guide 26 passes through the coupling hole 206 of the main disc 20, the flange 262 can be connected to the periphery of the coupling hole 206. fixed. The transmitter 28 is provided at the first end of the waveguide 26. In this embodiment, the transmitter 28 includes two exciters 282 in an orthogonal configuration. The reflector 30 is arranged opposite to the transmitter 28 to reflect the signal from the transmitter 28 to a corresponding position. The reflector 30 has a reflective surface 302 and a back surface 304. In this embodiment, the reflective surface 302 is in the shape of an arc protruding in the direction of the main disc 20 and faces the main disc surface 202 of the main disc 20, the back surface 304 is opposite to the reflective surface 302, and the back surface 304 faces away from the main disc surface. 202 in the direction.

In addition, the transmitting device 24 further includes a bracket 32 disposed at the second end of the waveguide 26 and used for disposing the reflector 30 at a predetermined position. The bracket 32 has a plurality of supporting rods 322, and a plurality of hollow parts 324 are formed between the supporting rods 322. In this embodiment, the plurality of hollow parts 324 are located between the reflector 30 and the waveguide 26. In this embodiment, the launching device 24 further includes a cover 34, which is sleeved on the second end of the waveguide 26 and used to close the orifice of the waveguide 26 to prevent foreign matter or water from entering the waveguide 26 . A cover 36 is also provided on the reflector 30, and the cover 36 covers the back surface 304 to prevent water from accumulating on the back surface 304. The material of the cover 34, 36 is preferably non-metal, such as plastic.

The extended disk 38 has a first open side 382, a second open side 384, and an extended disk surface 386 located between the first open side 382 and the second open side 384. The inner diameter of the extended disk 38 extends and gradually expands from the first open side 382 to the second open side 384, and the first open side 382 is detachably combined with the open side 204 of the main disk 20. The maximum inner diameter of the extended disk surface 386 is a second inner diameter D2, and the second inner diameter D2 is greater than the first inner diameter D1. In this embodiment, the second inner diameter D2 is 650 mm as an example, but it is not limited to this. Preferably, the material of the extended disk 38 is metal or a material with conductive properties. In this embodiment, the extended disc 38 is formed by splicing a plurality of arc-shaped plates 40 along a circumferential direction, but it is not limited to this, and it can also be an integrally formed arc disc structure. Each arc-shaped plate 40 has an arc-shaped surface 42, and these arc-shaped surfaces 42 constitute an extended disk surface 386. In other embodiments, the extended disk surface 386 may optionally have a mesh 40a. The mesh 40a can reduce the weight of the extended disk 38. The mesh 40a has the functions of reducing wind resistance and draining water.

Each arc-shaped plate 40 has a first joining portion 401 and a second joining portion 402 on opposite sides, respectively, and the first joining portion 401 of each arc-shaped plate 40 and the second joining portion 402 of the adjacent arc-shaped plate 40 In combination, in this embodiment, the first coupling portion 401 includes a first folding edge 44, and the second coupling portion 402 includes a second folding edge 46. The first folding edge 44 of each arc-shaped plate 40 and the other arc-shaped The second folding edges 46 of the plate 40 are adjacent, each first folding edge 44 and each second folding edge 46 have at least one set of matching holes 442, 462, and two adjacent first folding edges 44 and second folding edges 46 is fixed and combined by a connecting member 50 passing through the corresponding assembling holes 442, 462. In this embodiment, the connecting member 50 includes a bolt 502 and a nut 504.

In order to increase the convenience of assembly, in this embodiment, at least one positioning pin 52 is provided on the first flange 44 of each arc-shaped plate 40, and at least one positioning hole is provided on the second flange 46 of each arc-shaped plate 40 464. In this embodiment, there are two positioning pins 52 on the first flange 44, and there are two positioning holes 464 on the second flange 46. The positioning pin 52 on each first folding edge 44 passes through the positioning hole 464 of the adjacent second folding edge 46. In this embodiment, each positioning pin 52 has a head 522 and a body 524, and one end of the body 524 is connected to the first flange 44. Each positioning hole 464 has a first hole section 464a and a second hole section 464b that communicate with each other. The outer diameter of the head 522 of each positioning pin 52 is smaller than the hole diameter of each first hole section 464a and larger than that of each second hole section 464b. Aperture.

When assembling, the head 522 of the positioning pin 52 on the first flange 44 can be passed through the first hole section 464a of the adjacent second flange 46 and the head 522 is located outside the first hole section 464a. (Refer to Figure 6), then, the adjacent arc-shaped plates 40 are relatively displaced, so that the body of the positioning pin 52 can move into the corresponding second hole section 464b, and the body 524 abuts against the second hole section 464b In the hole wall, the head 522 of the positioning pin 52 is located outside the corresponding second hole section 464b, so as to achieve the purpose of aligning the two sets of matching holes 442, 462, so that two adjacent arc-shaped plates 40 are not separated before being fixed. Then, as shown in FIG. 7, the bolt 502 of the connecting member 50 is passed through the assembly holes 442 and 462, and then the nut 504 is locked on the bolt 502 to fix the two adjacent arc-shaped plates 40.

Each curved plate 40 further has a third coupling portion 403, the third coupling portion 403 is located between the first coupling 401 and the second coupling portion 402, and the third coupling portion 403 constitutes the coupling portion of the extended disc 38 and is connected to the main disc. The coupling portion 208 of the disk 20 is coupled. In this embodiment, the third coupling portion 403 includes a third folding edge 48, and the third folding edge 48 is connected between the first folding edge 44 and the second folding edge 46. The third flange 48 has at least one set of matching holes 482, and each set of holes 482 of the third flange 48 corresponds to each set of holes 208a of the coupling portion 208 of the main disc 20 for another coupling piece. (For example, bolts, nuts) are combined in a detachable manner.

Please refer to FIGS. 8 to 10, the reflective block 54 is made of metal material and is detachably coupled to the reflective surface 302 of the reflector 30, and the reflective block 54 corresponds to the extended disk surface 386 and the emitter 28. In this embodiment, the reflecting block 54 has a first end 542 and a second end 544 opposite to each other. The first end 542 faces the inside of the waveguide 26 and corresponds to the transmitter 28, and the second end 544 faces away from the waveguide 26 and faces The reflecting surface 302 of the reflector 30 and the outer diameter of the reflecting block 54 gradually expand from the first end 542 to the second end 544. In this embodiment, the reflecting block 54 is in a conical shape, but it is not limited to this, and the outer peripheral surface of the reflecting block 54 can also be a gradually expanding curved surface.

The second end 544 has a joint surface 544 a, and the joint surface 544 a abuts against the reflection surface 302 and matches the shape of the reflection surface 302 of the reflector 30. Please refer to FIG. 10 for convenience. In this embodiment, an axis i is defined on the reflector 54. The axis i passes through the center of the first end 542 and the second end 544, and the axis i is along the waveguide The long axis of 26 extends.

The dish antenna 1 further includes a fixing mechanism. The reflecting block 54 is coupled to the reflecting surface 302 through the fixing mechanism. In this embodiment, the reflector 30 has a through hole 30 a that penetrates the reflecting surface 302 and the back surface 304. The reflecting block 54 has a fixing hole 546, the fixing hole 546 corresponds to the perforation 30a, and the axis i passes through the perforation 30a and the fixing hole 546. A fixing member 56 can be inserted through the through hole 30a and combined with the fixing hole 546 to fix the reflective block 54 to the reflecting surface 302. The through hole 30a, the fixing hole 546 and the fixing member 56 constitute the fixing mechanism of this embodiment. In this embodiment, the fixing hole 546 is a screw hole, and the fixing member 56 is a bolt, but not limited to this. The fixing hole 546 may be a round hole, and the fixing member 56 may also be a fixing pin that can be detached from the ground and The fixing hole 546 is combined.

The dish antenna 1 can be assembled into two different configurations, namely the first configuration shown in FIG. 4 and the second configuration shown in FIG. 8. The user can detach the extended disk 38 from the main disk 20 and the reflective block 54 from the reflective surface 302 to form the first configuration shown in FIG. 4. Since the bracket 32 has a hollow part 324 between the reflector 30 and the waveguide 26, the user can take the reflection block 54 through the hollow part 324 when removing the reflection block 54. In the first configuration, the wireless signal emitted by the transmitter 28 will be sent along the waveguide 26 toward the reflector 30, and the wireless signal will be projected on the corresponding reflecting surface 302 and reflected by the reflecting surface 302 of the reflector 30 The main disk surface 202 of the corresponding main disk 20 is reflected from the main disk surface 202 to the outside.

Alternatively, the user can assemble the extended disk 38 to the main disk 20 and assemble the reflective block 54 to the reflective surface 302 to form the second configuration shown in FIG. 8. In the second configuration, the transmitter The wireless signal sent by 28 will be sent along the waveguide 26 to the direction of the reflector 30. Part of the wireless signal is projected on the corresponding reflecting surface 302 and reflected by the reflecting surface 302 of the reflector 30 to the corresponding main disk 20 The main disc surface 202 is reflected outward from the main disc surface 202; the other part of the wireless signal is projected to the corresponding reflecting block 53, and is reflected by the outer peripheral surface of the reflecting block 54 to the corresponding extended disc surface 386 of the extended disc 38, which is extended by Then the disk surface 386 reflects outward. In other words, the main disk surface 202 of the main disk 20 and the extended disk surface 386 of the extended disk 38 will form a larger disk surface. As a result, the extended disk 386 cooperates with the reflection block 54 to make the antenna 1 emit In addition to directivity, wireless signals can also increase coverage.

Figures 11 to 12 show the creation of the second preferred embodiment of the dish-shaped antenna reflector 60 and reflector block 62, which have substantially the same structure as the first embodiment, the difference lies in the different fixing mechanism, more detailed and In other words, the reflector 60 is provided with a protrusion 602a on the back surface 602, and the reflector 60 is provided with a fixing hole 606, and the fixing hole 606 extends from the reflecting surface 604 to the protrusion 602a.

The reflection block 62 has a fixed post 622, an axis i is defined on the reflection block 62, and the axis i passes through the center of the fixed hole 606 and the fixed post 622. The fixing post 622 penetrates through the fixing hole 606 to fix the reflecting block 62 to the reflecting surface 604. The fixing hole 606 and the fixing post 622 constitute the fixing mechanism of this embodiment.

In this embodiment, the fixing hole 606 is a screw hole, the fixing post 622 has an external thread, and the fixing post 622 can be locked into the fixing hole 606, but it is not limited to this. The fixing post 622 can also be cylindrical and the hole shape of the fixing hole 606 is similar. The matched shape can also be combined detachably.

Figures 13 and 14 show the dish-shaped antenna 3 of the third preferred embodiment of the creation. It has the same structure as the first embodiment. The difference is that the main dish 64 is not connected to the extended dish in this embodiment. As shown in FIG. 13, the reflecting block 54 can be detached from the reflecting surface 302 of the reflector 30, or as shown in FIG. 14, the reflecting block 54 can be combined to the reflecting surface 302 of the reflector 30. In this way, the purpose of forming the dish antenna 3 into different configurations can also be achieved, and different reflection effects can be achieved. In this embodiment, main discs with different maximum inner diameters can also be selected according to requirements. For main discs with a larger inner diameter, the reflecting block 54 can be combined with the reflecting surface 302 of the reflector 30.

The above descriptions are only the preferred and feasible embodiments of this creation. Any equivalent changes made by applying this creation specification and the scope of patent application should be included in the patent scope of this creation.

[Traditional] 10: Dish antenna 12: Disc 12a: Disk surface 14: Launching device 142: Launcher 144: reflector 144a: reflective surface [This creation] 1: Dish antenna 20: main disc 202: Main Disk 204: open side 206: Combination Hole 208: Joint 208a: assembly hole 24: Launcher 26: Waveguide 262: Flange 28: Launcher 282: Exciter 30: reflector 30a: perforation 302: reflective surface 304: back 32: bracket 322: Support Rod 324: Hollow 34: cap 36: capping 38: Extend the disc 382: first open side 384: second open side 386: Extend the disk 40: curved plate 401: first joint 402: second joint 403: Third Joint 40a: Mesh 42: curved surface 44: The first fold 442: Assembled hole 46: Second Folding Edge 462: Assembled Hole 464: positioning hole 464a: The first hole segment 464b: second hole segment 48: Third Folding Edge 482: Assembled Hole 50: Combination 502: Bolt 504: Nut 52: positioning pin 522: head 524: body 54: reflective block 542: first end 544: second end 544a: Joint surface 546: fixed hole 56: fixed parts 60: reflector 602: Back 602a: convex column 604: reflective surface 606: fixed hole 62: reflective block 622: fixed column 3: Dish antenna 64 main disc D1: First inner diameter D2: second inner diameter i: axis line

Figure 1 is a schematic diagram of a conventional dish antenna. Figure 2 is a perspective view of the dish antenna of the first preferred embodiment of the creation. Fig. 3 is a partially exploded perspective view of the dish antenna of the first preferred embodiment of the creation. FIG. 4 is a cross-sectional view of the first configuration of the dish antenna of the first preferred embodiment created in the direction of A-A' in FIG. 2. FIG. Figure 5 is a partial side view of the extended disc of the first preferred embodiment of the creation. Fig. 6 is a schematic diagram of the assembly process of the two extended discs in the creation of the first preferred embodiment. Fig. 7 is a schematic diagram of the assembly of the two extended discs of the first preferred embodiment of the creation. FIG. 8 is a cross-sectional view of the second configuration of the dish antenna of the first preferred embodiment created in the direction of A-A' in FIG. 2. FIG. Figure 9 is an exploded perspective view of the reflector and reflective block of the first preferred embodiment of the creation FIG. 10 is a cross-sectional view of the reflector and reflection block of the first preferred embodiment of the creation. Figure 11 is an exploded perspective view of the reflector and reflective block of the second preferred embodiment of the creation FIG. 12 is a cross-sectional view of the reflector and reflection block of the second preferred embodiment of the creation. FIG. 13 is a cross-sectional view of the first configuration of the dish antenna of the third preferred embodiment created. FIG. 14 is a cross-sectional view of the second configuration of the dish antenna of the third preferred embodiment created.

1: Dish antenna

20: main disc

202: Main Disk

24: Launcher

26: Waveguide

262: Flange

36: capping

38: Extend the disc

386: Extend the disk

40: curved plate

Claims (15)

A dish antenna, including: A main disc, including a main disc surface having an arc shape; A launching device is arranged on the main disc, the launching device includes a launcher and a reflector, the launcher corresponds to the reflector, the reflector includes an arc-shaped reflective surface, the reflective surface corresponds to the main disc The main surface of the disk; and A reflecting block is detachably combined with the reflecting surface of the reflector, and the reflecting block corresponds to the emitter. The dish antenna according to claim 1, further comprising an extended dish, having a first open side, a second open side, and an extended disk surface, the extended disk surface is from the first open side to the second open The main disc has an open side, and the first open side of the extended disc is detachably combined with the open side of the main disc; wherein the reflective block corresponds to the extended disc surface. The dish antenna according to claim 1, wherein the reflecting block has a first end and a second end, the first end corresponds to the transmitter, and the second end has a joint surface, the joint surface abuts against For the reflecting surface of the reflector, the outer diameter of the reflecting block gradually expands from the first end to the second end. The dish antenna according to claim 3, wherein the reflection block is conical. The dish antenna according to claim 3, wherein the joint surface is in an arc shape that matches the reflecting surface. The dish antenna of claim 1 includes a fixing mechanism, and the reflecting block is detachably coupled to the reflecting surface through the fixing mechanism. The dish antenna according to claim 6, wherein the reflector has a perforation, and the reflection block has a fixing hole corresponding to the perforation; a fixing member penetrates the perforation and is combined with the fixing hole to form the reflection block Fixed on the reflecting surface; the perforation, the fixing hole and the fixing member constitute the fixing mechanism. The dish antenna according to claim 6, wherein the reflector has a fixing hole, the reflecting block has a fixing post, and the fixing post penetrates the fixing hole to fix the reflecting block on the reflecting surface; the The fixing hole and the fixing column constitute the fixing mechanism. The dish antenna according to claim 2, wherein the extended dish includes a mesh, and the mesh penetrates the extended dish surface. The dish antenna according to claim 2, wherein the extended dish is formed by splicing a plurality of arc-shaped plates to form the extended dish surface. The dish antenna according to claim 10, wherein two opposite sides of each arc-shaped plate respectively have a first joining part and a second joining part, and the first joining part of each arc-shaped plate and the other arc The second joining parts of the shaped plate are adjacent, and two adjacent first joining parts and second joining parts are joined. The dish antenna according to claim 11, wherein each of the first coupling portions includes a first folding edge, each of the second coupling portions includes a second folding edge, and the first folding edge of each arc-shaped plate and the other The second folding edge of an arc-shaped plate is adjacent, and two adjacent first folding edges and the second folding edge are combined by a connecting member; at least one positioning pin is provided on the first folding edge of each arc-shaped plate At least one positioning hole is provided on the second folding edge of each arc-shaped plate; the positioning pin on each first folding edge penetrates the positioning hole of the adjacent second folding edge. The dish antenna according to claim 1, which includes the transmitting device and further includes a waveguide and a bracket; wherein the waveguide is coupled to the main disk, and one end of the waveguide is provided with the bracket; the bracket is arranged The reflector and the bracket have a plurality of hollow parts. The dish antenna according to claim 2, wherein the open side of the main disc has a joint; the first open side of the extended disc is detachably connected to the open side of the main disc The joining part joins. The dish antenna according to claim 14, wherein the coupling portion is an annular flange, and the annular flange is provided with a plurality of assembly holes along the circumferential direction.

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