A wall-hugging antenna

Abstract

This utility model relates to the field of antenna technology, and in particular to a wall-mounted antenna, comprising a housing, four connectors, and a reflector, a first vibrating element, a second vibrating element, and an isolation component respectively disposed within the housing. The reflector is mounted at the bottom of the housing, and the first vibrating element, the isolation component, and the second vibrating element are sequentially disposed at the top of the reflector. The wall-mounted antenna disclosed in this application, by setting the first and second vibrating elements, can meet the needs of more frequency bands. Simultaneously, by placing the first and second vibrating elements and the isolation component on the reflector, the vertical stacking design makes the internal structure more compact, significantly reducing the size of the antenna and improving its concealment. Furthermore, raising the radiator reduces the adverse effects of the mounting surface on the antenna's radiation function and reflects electromagnetic waves, concentrating them in a specific direction to enhance the antenna's directivity.

Description

Technical Field

[0001] This utility model relates to the field of antenna technology, and in particular to a wall-mounted antenna. Background Technology

[0002] As is well known, tunnels provide strong signal shielding. To provide a strong signal within a tunnel, an additional antenna mechanism is required. Currently, leaky cables are commonly used as tunnel antennas, offering obvious advantages: they can be laid directly on the ground, are easy to install, and allow for quick location and maintenance if the cable breaks. However, they suffer from rapid signal attenuation, severe multipath reflections in the confined and enclosed tunnel space, and high transmission loss. Therefore, in recent years, wall-mounted antennas have emerged as electromagnetic transceivers to replace leaky cables for coverage. These are simply placed on the tunnel wall at a certain height. However, existing wall-mounted antennas often use single-layer PCBs or simple radiator structures. While these meet the requirements for thinness and lightness, they limit the antenna's multi-band support capabilities. Furthermore, increasing the number of elements to simultaneously meet frequency band requirements can lead to excessive size, compromising the concealment of the wall-mounted installation.

[0003] It is evident that existing technologies still need improvement and enhancement. Utility Model Content

[0004] In view of the shortcomings of the prior art, the purpose of this utility model is to provide a wall-mounted antenna to solve the problem that existing wall-mounted antennas cannot simultaneously meet the requirements of thinness and lightness and multi-band operation.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A wall-mounted antenna includes a housing, four connectors, and a reflector, a first vibrator unit, a second vibrator unit, and an isolation assembly respectively disposed within the housing. The four connectors are arranged sequentially at the bottom of the housing, the reflector is mounted at the bottom of the housing, and the first vibrator unit, the isolation assembly, and the second vibrator unit are sequentially disposed at the top of the reflector. The first vibrator unit and the second vibrator unit are both electrically connected to two of the connectors.

[0007] In the wall-mounted antenna described above, the first vibrating element is an intermediate frequency vibrating element, and the second vibrating element is one of a low-frequency vibrating element, an intermediate frequency vibrating element, and a high-frequency vibrating element.

[0008] As described above, in a wall-mounted antenna, the intermediate frequency (IF) element unit includes an IF PCB element and N first director pieces. The IF PCB element is disposed on the reflector plate, and the N first director pieces are sequentially stacked on top of the IF PCB element. The size of the N first director pieces gradually decreases in the direction away from the IF PCB element. The IF PCB element and any of the first director pieces, as well as two adjacent first director pieces, are connected by isolation posts. Each first director piece is circular in shape.

[0009] As described above, in a wall-mounted antenna, the low-frequency PCB element includes a low-frequency PCB oscillator and M second guide plates. The low-frequency PCB oscillator is disposed on the reflector, and the M second guide plates are sequentially stacked on top of the low-frequency PCB oscillator. The size of the M second guide plates gradually decreases in the direction away from the low-frequency PCB oscillator. The low-frequency PCB oscillator and any of the second guide plates, as well as adjacent two second guide plates, are connected by isolation posts. The size of the low-frequency PCB oscillator is larger than the size of the intermediate-frequency PCB oscillator. Each second guide plate is annular in shape, and the smallest of the M second guide plates is larger than the largest of the N first guide plates, where M is half of N.

[0010] As described above, in a wall-mounted antenna, the high-frequency PCB element includes a high-frequency PCB element and N third guide plates. The high-frequency PCB element is disposed on the reflector, and the N third guide plates are sequentially stacked above the high-frequency PCB element. The size of the N third guide plates gradually decreases in the direction away from the high-frequency PCB element. The high-frequency PCB element and any of the third guide plates, as well as two adjacent third guide plates, are connected by isolation posts. The size of the high-frequency PCB element is smaller than the size of the intermediate-frequency PCB element. Each third guide plate is circular in shape, and the largest of the N third guide plates is smaller than the smallest of the N first guide plates.

[0011] As described above, in a wall-mounted antenna, the isolation assembly includes two isolation plates, two connectors, and multiple connecting posts. The two isolation plates are arranged sequentially at intervals along a straight line where the first vibrator unit and the second vibrator unit are located. The two connectors are respectively connected to the two isolation plates and the reflector. The multiple connecting posts are respectively disposed between the two isolation plates, and the two ends of each connecting post are respectively connected to the two isolation plates.

[0012] As described above, in a wall-mounted antenna, the reflector includes a reflective base plate and a bent plate. The bent plate extends downward along one edge of the reflective base plate. The outer shell includes a cylindrical cover, an upper cover, a lower cover, and two fixing plates. The upper cover and the lower cover are respectively installed on the upper and lower sides of the cylindrical cover. The two fixing plates are respectively installed on the upper and lower ends of the outer side of the cylindrical cover. Each fixing plate, the cylindrical cover, and the bent plate are respectively provided with a connecting hole for screw connection.

[0013] As described above, the wall-mounted antenna further includes a reinforcing plate, and the ends of the first vibrator unit, the isolation assembly, and the second vibrator unit away from the reflector are respectively connected to the reinforcing plate.

[0014] Beneficial effects:

[0015] This utility model discloses a wall-mounted antenna, including a housing, four connectors, and a reflector, a first dipole element, a second dipole element, and an isolation component respectively disposed within the housing. The reflector serves as a support structure, raising and fixing the first dipole element, the second dipole element, and the isolation component within the housing to create a gap between them and the bottom of the housing, reducing the adverse effects of the mounting surface on the antenna's radiation function. Simultaneously, by reflecting electromagnetic waves, it changes their propagation direction, concentrating the electromagnetic waves to radiate in a specific direction, enhancing the antenna's directivity. The first dipole element and the second dipole element are each electrically connected to two of the connectors, supporting dual-polarization operation and improving channel capacity and signal quality. The first dipole element and the second dipole element are respectively disposed within the housing. According to the principle of electromagnetic induction, the input electrical signal is converted into an electromagnetic wave and radiated out, or the external electromagnetic wave is received and converted into an electrical signal. The isolation component isolates the first and second vibrating elements to avoid signal interference. The wall-mounted antenna disclosed in this application can meet the needs of more frequency bands by setting the first and second vibrating elements. At the same time, the first and second vibrating elements and the isolation component are set on the reflector plate. The vertical stacking design makes the internal structure more compact, significantly reduces the size of the antenna, improves the concealment of the wall-mounted antenna, raises the radiator to reduce the adverse effects of the mounting surface on the antenna radiation function, and reflects the electromagnetic waves to concentrate them in a specific direction, thereby enhancing the directivity of the antenna. Attached Figure Description

[0016] Figure 1 A schematic diagram of the wall-mounted antenna provided in Embodiment 1 of this utility model;

[0017] Figure 2 Exploded view of the wall-mounted antenna of Embodiment 1 provided by this utility model;

[0018] Figure 3Exploded view of the wall-mounted antenna of Embodiment 2 provided by this utility model;

[0019] Figure 4 Exploded view of the wall-mounted antenna of Embodiment 3 provided by this utility model;

[0020] Reference numerals: 1-Outer shell, 11-Cylinder cover, 12-Upper cover, 13-Lower cover, 14-Fixing plate, 15-Connecting hole, 2-Connector, 3-Reflector plate, 31-Reflector base plate, 32-Bending plate, 4-First oscillator unit, 41-Medium frequency PCB oscillator, 42-First guide plate, 5-Second oscillator unit, 51-Low frequency PCB oscillator, 52-Second guide plate, 53-High frequency PCB oscillator, 54-Third guide plate, 6-Isolation assembly, 61-Isolation plate, 62-Connector, 63-Connecting post, 7-Reinforcing plate. Detailed Implementation

[0021] This utility model provides a wall-mounted antenna. To make the purpose, technical solution and effects of this utility model clearer and more explicit, the following describes this utility model in further detail with reference to the accompanying drawings and embodiments.

[0022] In the description of this utility model, it should be understood that the terms "top" and other terms indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and should not be construed as limiting this utility model; in addition, the terms "installation" and "connection" should be interpreted broadly, and those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0023] like Figure 1-4 As shown in the figure, this application proposes a wall-mounted antenna, including a housing 1, four connectors 2, and a reflector 3, a first vibrator unit 4, a second vibrator unit 5, and an isolation component 6 respectively disposed inside the housing 1. The four connectors 2 are arranged sequentially at the bottom of the housing 1, the reflector 3 is mounted at the bottom inside the housing 1, the first vibrator unit 4, the isolation component 6, and the second vibrator unit 5 are sequentially disposed at the top of the reflector 3, and the first vibrator unit 4 and the second vibrator unit 5 are both electrically connected to two of the connectors 2.

[0024] This utility model discloses a wall-mounted antenna, including a housing 1, four connectors 2, and a reflector 3, a first vibrating element 4, a second vibrating element 5, and an isolation component 6 respectively disposed within the housing 1. The reflector 3 serves as a support structure, raising and fixing the first vibrating element 4, the second vibrating element 5, and the isolation component 6 within the housing 1, thus spacing them from the bottom of the housing 1 to reduce the adverse effects of the mounting surface on the antenna's radiation function. Simultaneously, by reflecting electromagnetic waves, it changes their propagation direction, concentrating the electromagnetic waves to radiate in a specific direction, enhancing the antenna's directivity. The first vibrating element 4 and the second vibrating element 5 are each electrically connected to two of the connectors 2, supporting dual-polarization operation and improving channel capacity and signal quality. Based on the principle of electromagnetic induction, the input electrical signal is converted into an electromagnetic wave and radiated out, or the external electromagnetic wave is received and converted into an electrical signal. The isolation component 6 isolates the first vibrating element 4 and the second vibrating element 5 to avoid signal interference. The wall-mounted antenna disclosed in this application can meet the needs of more frequency bands by setting the first vibrating element 4 and the second vibrating element 5. At the same time, the first vibrating element 4, the second vibrating element 5 and the isolation component 6 are set on the reflector 3. The vertical stacking design makes the internal structure more compact, significantly reduces the size of the antenna, improves the concealment of the wall-mounted antenna, raises the radiator to reduce the adverse effect of the mounting surface on the antenna radiation function, and reflects the electromagnetic waves to concentrate them to radiate in a specific direction, thereby enhancing the directivity of the antenna.

[0025] The first vibrating element 4 is an intermediate frequency vibrating element, and the second vibrating element 5 is one of a low-frequency vibrating element, an intermediate frequency vibrating element, and a high-frequency vibrating element. Different second vibrating elements 5 can be replaced according to actual usage requirements, which can meet the diverse needs of signal frequency bands in different scenarios and enhance the versatility of the antenna.

[0026] The intermediate frequency (IF) oscillator unit includes an IF PCB oscillator 41 and N first guide plates 42. The IF PCB oscillator 41 is disposed on the reflector 3. The N first guide plates 42 are stacked sequentially above the IF PCB oscillator 41. The size of the N first guide plates 42 gradually decreases in the direction away from the IF PCB oscillator 41. The IF PCB oscillator 41 and any of the first guide plates 42, as well as two adjacent first guide plates 42, are connected by isolation pillars. Each first guide plate 42 is circular in shape. The IF PCB oscillator 41 serves as the radiating element, and its design determines the fundamental resonant frequency and impedance. The first guide pieces 42 are stacked to form a guide array, which guides electromagnetic wave energy to radiate more concentratedly in front of the antenna, improving forward gain and suppressing backward radiation. The isolation pillars ensure the connection and spacing between the layers. At the same time, the N first guide pieces 42 with gradually varying sizes can better match the impedance, broaden the operating bandwidth, and further improve forward gain and directivity. The first guide pieces 42 are circular because they are not sensitive to polarization direction, which is beneficial to the realization of dual polarization performance. In the embodiment of this application, the number of N is 16. In other embodiments, the size, number and spacing of the first guide pieces 42 can be changed according to the operating bandwidth and gain.

[0027] Example 1: The second vibrator element 5 is an intermediate frequency vibrator element, that is, the wall-mounted antenna is an intermediate frequency wall-mounted antenna.

[0028] Example 2: The second vibrating element 5 is a low-frequency vibrating element, that is, the wall-mounted antenna is a mid-to-low frequency wall-mounted antenna, as detailed below:

[0029] The low-frequency oscillator unit includes a low-frequency PCB oscillator 51 and M second guide pieces 52. The low-frequency PCB oscillator 51 is disposed on the reflector 3. The M second guide pieces 52 are stacked sequentially above the low-frequency PCB oscillator 51. The size of the M second guide pieces 52 gradually decreases in the direction away from the low-frequency PCB oscillator 51. The low-frequency PCB oscillator 51 and any of the second guide pieces 52, as well as adjacent pairs of second guide pieces 52, are connected by isolation posts. The size of the low-frequency PCB oscillator 51 is larger than that of the intermediate-frequency PCB oscillator 41. Each second guide piece 52 is annular in shape, and the M second guide pieces 52 are stacked sequentially on top of the low-frequency PCB oscillator 51. The smallest of the first guide pieces 52 is larger than the largest of the N first guide pieces 42, where M is half of N. Since low-frequency signals have longer wavelengths, the lower-frequency PCB oscillator 51 and the second guide pieces 52 are set to be larger to adapt to the low-frequency wavelength. At the same time, the number of second guide pieces required to achieve a similar directivity enhancement effect is less than that for the intermediate frequency. The second guide piece 52 is set as a ring structure to reduce weight while optimizing the radiation pattern characteristics of a specific frequency band. In addition, the smallest second guide piece 52 is larger than the largest first guide piece 42, ensuring that the two frequency band guides are significantly separated in physical size, effectively reducing electromagnetic coupling and potential interference between the mid- and low-frequency bands.

[0030] Example 3: The second vibrating element 5 is a high-frequency vibrating element, that is, the wall-mounted antenna is a mid-to-high frequency wall-mounted antenna, as detailed below:

[0031] The high-frequency oscillator unit includes a high-frequency PCB oscillator 53 and N third guide plates 54. The high-frequency PCB oscillator 53 is disposed on the reflector 3. The N third guide plates 54 are stacked sequentially above the high-frequency PCB oscillator 53. The size of the N third guide plates 54 gradually decreases in the direction away from the high-frequency PCB oscillator 53. The high-frequency PCB oscillator 53 and any of the third guide plates 54, as well as two adjacent third guide plates 54, are connected by isolation pillars. The size of the high-frequency PCB oscillator 53 is smaller than that of the intermediate frequency oscillator 3. The PCB oscillator 41 is sized such that each of the third guide pieces 54 is circular, and the largest of the N third guide pieces 54 is smaller than the smallest of the N first guide pieces 42. Since the wavelength of high-frequency signals is short, the high-frequency PCB oscillator 53 and the third guide pieces 54 are set to be smaller to adapt to the high-frequency wavelength. The largest third guide piece 54 is smaller than the smallest first guide piece 42, which ensures that the intermediate frequency and high-frequency guides are significantly separated in physical size, effectively reducing electromagnetic coupling and potential interference between the intermediate and high frequency bands.

[0032] In other embodiments, the mid-to-high frequency wall-mounted antenna and the mid-to-low frequency wall-mounted antenna may further include a combiner, and the number of connectors 2 thereon is two. The mid-frequency and high-frequency dipole elements of the mid-to-high frequency wall-mounted antenna are electrically connected to the combiner, and the combiner is electrically connected to two connectors 2 respectively. The mid-frequency and low-frequency dipole elements of the mid-to-low frequency wall-mounted antenna are electrically connected to the combiner, and the combiner is electrically connected to two connectors 2 respectively.

[0033] The isolation assembly 6 includes two isolation plates 61, two connectors 62, and multiple connecting posts 63. The two isolation plates 61 are arranged sequentially at intervals along a straight line between the first oscillator unit 4 and the second oscillator unit 5. The two connectors 62 connect the two isolation plates 61 and the reflector plate 3, respectively. The multiple connecting posts 63 are respectively located between the two isolation plates 61, with each end of the connecting post 63 connected to the two isolation plates 61. The two isolation plates 61 are arranged in parallel and at intervals to form a local "isolation cavity" to isolate the energy radiated backward by the oscillator unit, thereby shielding interference signals from the rear. The connectors 62 fix the isolation plates 61 to the reflector plate 3, and the multiple connecting posts 63 provide support between the two isolation plates 61, greatly enhancing the rigidity and stability of the entire isolation assembly 6, preventing deformation, and ensuring the flatness of the isolation surface and the accuracy of the spacing.

[0034] In this application, the height of the two isolation plates 61 of the mid-low frequency wall-mounted antenna is too small, requiring an external insulating plate to be connected to the reinforcing plate 7.

[0035] The reflector 3 includes a reflective base plate 31 and a bent plate 32. The bent plate 32 extends downward along one edge of the reflective base plate 31. The outer shell 1 includes a cylindrical cover 11, an upper cover 12, a lower cover 13, and two fixing plates 14. The upper cover 12 and the lower cover 13 are respectively installed on the upper and lower sides of the cylindrical cover 11. The two fixing plates 14 are respectively installed on the upper and lower ends of the outer side of the cylindrical cover 11. Each fixing plate 14, the cylindrical cover 11, and the bent plate 32 are respectively provided with a connecting hole 15 for screw connection. The tube cover 11, the upper cover 12, and the lower cover 13 form a sealed cavity to protect the internal precision electronic components from dust, moisture, and physical damage. The entire antenna is mounted to a wall or other flat surface by the two fixing plates 14. The bent plate 32 is connected to either of the fixing plates 14 by screws passing through the tube cover 11. On the one hand, it provides additional support for the reflector 3 and improves the connection strength of the reflector 3. On the other hand, it provides a good grounding path to ensure the safety and performance of the entire antenna.

[0036] The wall-mounted antenna also includes a reinforcing plate 7. The ends of the first vibrator unit 4, the isolation component 6, and the second vibrator unit 5 away from the reflector 3 are respectively connected to the reinforcing plate 7, providing additional support and connection for the top of the first vibrator unit 4, the isolation component 6, and the second vibrator unit 5, enhancing the rigidity and stability of the entire internal stacked structure, while also preventing the shaking and deformation of the internal radiators, thereby ensuring long-term stable electrical performance.

[0037] In this application, there is a height difference between the intermediate frequency oscillator unit, the low frequency oscillator unit and the high frequency oscillator unit. The height difference can be made up by setting an insulating column to connect to the fixing plate 7.

[0038] It is understood that those skilled in the art can make equivalent substitutions or changes based on the technical solution and inventive concept of this utility model, and all such substitutions or changes should fall within the protection scope of this utility model.

Claims

1. A patch antenna, characterized by The device includes a housing (1), four connectors (2), and a reflector (3), a first oscillator unit (4), a second oscillator unit (5), and an isolation component (6) respectively disposed within the housing (1). The four connectors (2) are arranged sequentially at the bottom of the housing (1). The reflector (3) is mounted at the bottom of the housing (1). The first oscillator unit (4), the isolation component (6), and the second oscillator unit (5) are sequentially disposed at the top of the reflector (3). The first oscillator unit (4) and the second oscillator unit (5) are both electrically connected to two of the connectors (2).

2. The patch antenna of claim 1, wherein The first oscillator unit (4) is a medium-frequency oscillator unit, and the second oscillator unit (5) is one of a low-frequency oscillator unit, a medium-frequency oscillator unit, or a high-frequency oscillator unit.

3. The patch antenna of claim 2, wherein The intermediate frequency oscillator unit includes an intermediate frequency PCB oscillator (41) and N first guide plates (42). The intermediate frequency PCB oscillator (41) is disposed on the reflector (3). The N first guide plates (42) are stacked sequentially above the intermediate frequency PCB oscillator (41). The size of the N first guide plates (42) gradually decreases in the direction away from the intermediate frequency PCB oscillator (41). The intermediate frequency PCB oscillator (41) and any of the first guide plates (42) as well as two adjacent first guide plates (42) are connected by isolation pillars. The shape of each first guide plate (42) is circular.

4. The patch antenna of claim 3, wherein The low-frequency oscillator unit includes a low-frequency PCB oscillator (51) and M second guide pieces (52). The low-frequency PCB oscillator (51) is disposed on the reflector (3). The M second guide pieces (52) are stacked sequentially above the low-frequency PCB oscillator (51). The size of the M second guide pieces (52) gradually decreases in the direction away from the low-frequency PCB oscillator (51). The low-frequency PCB oscillator (51) and any of the second guide pieces (52) as well as two adjacent second guide pieces (52) are connected by isolation pillars. The size of the low-frequency PCB oscillator (51) is larger than the size of the intermediate-frequency PCB oscillator (41). Each second guide piece (52) is annular in shape, and the smallest size among the M second guide pieces (52) is larger than the largest size among the N first guide pieces (42), where M is half of N.

5. The patch antenna of claim 3, wherein The high-frequency oscillator unit includes a high-frequency PCB oscillator (53) and N third guide pieces (54). The high-frequency PCB oscillator (53) is disposed on the reflector (3). The N third guide pieces (54) are stacked sequentially above the high-frequency PCB oscillator (53). The size of the N third guide pieces (54) gradually decreases in the direction away from the high-frequency PCB oscillator (53). The high-frequency PCB oscillator (53) and any of the third guide pieces (54) as well as two adjacent third guide pieces (54) are connected by isolation pillars. The size of the high-frequency PCB oscillator (53) is smaller than the size of the intermediate frequency PCB oscillator (41). The shape of each third guide piece (54) is circular, and the largest of the N third guide pieces (54) is smaller than the smallest of the N first guide pieces (42).

6. The patch antenna of claim 1, wherein The isolation assembly (6) includes two isolation plates (61), two connectors (62), and multiple connecting posts (63). The two isolation plates (61) are arranged sequentially along the straight line where the first oscillator unit (4) and the second oscillator unit (5) are located. The two connectors (62) are respectively connected to the two isolation plates (61) and the reflector plate (3). The multiple connecting posts (63) are respectively located between the two isolation plates (61), and the two ends of each connecting post (63) are respectively connected to the two isolation plates (61).

7. The patch antenna of claim 1, wherein The reflector (3) includes a reflector base plate (31) and a bent plate (32). The bent plate (32) extends downward along one edge of the reflector base plate (31). The outer shell (1) includes a cylindrical cover (11), an upper cover (12), a lower cover (13), and two fixing plates (14). The upper cover (12) and the lower cover (13) are respectively covered on the upper and lower sides of the cylindrical cover (11). The two fixing plates (14) are respectively located on the upper and lower ends of the outer side of the cylindrical cover (11). Each fixing plate (14), the cylindrical cover (11), and the bent plate (32) are respectively provided with a connecting hole (15) for screw connection.

8. The patch antenna of claim 1, wherein The wall-mounted antenna also includes a reinforcing plate (7), and the ends of the first vibrator unit (4), the isolation component (6), and the second vibrator unit (5) away from the reflector (3) are respectively connected to the reinforcing plate (7).

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