Multi-system combined antenna

Abstract

The embodiment of the utility model discloses a multi-system combined antenna, which relates to the technical field of antennas and comprises a first dielectric substrate, a grounding plate, a GNSS (Global Navigation Satellite System) antenna, an LORA antenna, a 4G (Fourth Generation) antenna and a WIFI / BT (Wireless Fidelity / Bluetooth) antenna, the grounding plate is arranged on the upper side of the first dielectric substrate; the GNSS antenna is connected with the grounding plate and is arranged on the upper side of the grounding plate; the LORA antenna is arranged on the upper side of the GNSS antenna and penetrates through the GNSS antenna to be connected with the grounding plate; the 4G antenna and the WIFI / BT antenna are arranged on the first dielectric substrate at intervals, the 4G antenna and the WIFI / BT antenna are both connected with the grounding plate, and the 4G antenna and the WIFI / BT antenna are both arranged on the periphery of the GNSS antenna at intervals. According to the utility model, the GNSS antenna, the LORA antenna, the 4G antenna and the WIFI / BT antenna can be integrated together to form the combined antenna.

Description

Technical Field

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

[0002] With the continuous development of wireless communication technology, satellite positioning systems are deeply integrated with wireless communication technologies such as 5G and the Internet of Things (IoT), jointly promoting their widespread application in many scenarios such as intelligent transportation, precision agriculture, and mining surveying.

[0003] The integration of different communication systems has placed new demands on antennas. Most existing antennas are independently set up and have low integration, which needs to be improved. Utility Model Content

[0004] The technical problem to be solved by this utility model embodiment is how to provide a combined antenna that can integrate multiple antennas together.

[0005] To address the aforementioned problems, this utility model proposes a multi-system combined antenna, comprising a first dielectric substrate, a ground plane, a GNSS antenna, a LoRa antenna, a 4G antenna, and a WIFI / BT antenna. The ground plane is disposed on the upper side of the first dielectric substrate. The GNSS antenna is connected to the ground plane and is disposed on the upper side of the ground plane. The LoRa antenna is disposed on the upper side of the GNSS antenna and passes through the GNSS antenna to connect with the ground plane. The 4G antenna and the WIFI / BT antenna are spaced apart on the first dielectric substrate, and both the 4G antenna and the WIFI / BT antenna are connected to the ground plane. The 4G antenna and the WIFI / BT antenna are spaced apart on the outer periphery of the GNSS antenna.

[0006] A further technical solution is that the GNSS antenna includes a first radiator, a second radiator, and a second dielectric substrate, wherein the first radiator and the second radiator are spaced apart from the inside to the outside on the second dielectric substrate.

[0007] A further technical solution is that the number of the second radiators is multiple, and the multiple second radiators are evenly distributed around the first radiator.

[0008] A further technical solution is that the GNSS antenna also includes a metal pillar, and the second radiator is connected to the ground plane through one of the metal pillars.

[0009] A further technical solution is that the GNSS antenna also includes four feed probes, which are evenly distributed around the center line of the second dielectric substrate and are all connected to the second dielectric substrate.

[0010] A further technical solution is that the LORA antenna includes a third dielectric substrate, a first radiating arm, and a second radiating arm; the first radiating arm and the second radiating arm are respectively disposed on both sides of the third dielectric substrate, and the second radiating arm is connected to the ground plane.

[0011] A further technical solution is that the third dielectric substrate, the first radiating arm, and the second radiating arm are all provided with legs that pass through the second dielectric substrate.

[0012] A further technical solution is that the 4G antenna includes a third radiator, which is disposed on the first dielectric substrate and connected to the ground plane.

[0013] A further technical solution is that the WIFI / BT antenna includes a fourth radiator, which is disposed on the first dielectric substrate and connected to the ground plane.

[0014] A further technical solution is that the LORA antenna includes a fifth radiator, a fourth dielectric substrate, and a metal feed post. The fifth radiator is disposed on the fourth dielectric substrate. One end of the metal feed post is connected to the fifth radiator, and the other end of the metal feed post passes through the second dielectric substrate and is connected to the ground plane.

[0015] Compared with the prior art, the technical effects achieved by the embodiments of this utility model include:

[0016] In this embodiment of the invention, the multi-system combined antenna includes a first dielectric substrate, a ground plane, a GNSS antenna, a LoRa antenna, a 4G antenna, and a WIFI / BT antenna. The ground plane is disposed on the upper side of the first dielectric substrate. The GNSS antenna is connected to the ground plane and is disposed on the upper side of the ground plane. The LoRa antenna is disposed on the upper side of the GNSS antenna and passes through the GNSS antenna and is connected to the ground plane. The 4G antenna and the WIFI / BT antenna are spaced apart on the first dielectric substrate, and both the 4G antenna and the WIFI / BT antenna are connected to the ground plane. The 4G antenna and the WIFI / BT antenna are spaced apart on the outer periphery of the GNSS antenna. Through the above structural design, the GNSS antenna, LoRa antenna, 4G antenna, and WIFI / BT antenna can be integrated together to form a combined antenna, which greatly improves the antenna integration, reduces the size, and facilitates the installation and arrangement of the antenna. Attached Figure Description

[0017] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments consistent with the present invention and, together with the description, serve to explain the principles of the present invention.

[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, for those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] One or more embodiments are illustrated by way of example with reference numerals in the accompanying drawings. These illustrations do not constitute a limitation on the embodiments. Elements with the same reference numerals in the drawings are denoted as similar elements. Unless otherwise stated, the figures in the drawings are not to be limited by scale.

[0020] Figure 1 This is a schematic diagram of the structure of a multi-system combined antenna proposed in an embodiment of the present invention;

[0021] Figure 2 This is another structural schematic diagram of a multi-system combined antenna proposed in an embodiment of the present invention;

[0022] Figure 3 This is another structural schematic diagram of a multi-system combined antenna proposed in an embodiment of the present utility model;

[0023] Figure 4 This is a schematic diagram of a multi-system combined antenna according to another embodiment of the present invention.

[0024] Figure Labels

[0025] The system comprises a first dielectric substrate 10, a ground plane 20, a GNSS antenna 30, a LoRa antenna 40, a 4G antenna 50, a WIFI / BT antenna 60, a first radiator 31, a second radiator 32, a second dielectric substrate 33, a metal pillar 34, a feed probe 35, a third dielectric substrate 41, a first radiating arm 42, a second radiating arm 43, a third radiator 51, a fourth radiator 61, a fifth radiator 44, a fourth dielectric substrate 45, and a metal feed pillar 46. Detailed Implementation

[0026] The technical solutions in the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Similar component reference numerals in the drawings represent similar components. Obviously, the embodiments described below are only some embodiments of this utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0027] It should be understood that, when used in this specification and the appended claims, the terms "comprising" and "including" indicate the presence of the described features, integrals, steps, operations, elements and / or components, but do not exclude the presence or addition of one or more other features, integrals, steps, operations, elements, components and / or collections thereof.

[0028] It should also be understood that the terminology used in this specification of embodiments of the present invention is for the purpose of describing particular embodiments only and is not intended to limit the embodiments of the present invention. As used in this specification of embodiments of the present invention and the appended claims, the singular forms “a,” “an,” and “the” are intended to include the plural forms unless the context clearly indicates otherwise.

[0029] See Figures 1-4 This utility model embodiment proposes a multi-system combined antenna, which includes a first dielectric substrate 10, a ground plane 20, a GNSS antenna 30, a LoRa antenna 40, a 4G antenna 50, and a WIFI / BT antenna 60. The specific structure is described below:

[0030] Specifically, the GNSS antenna 30 is hardware specifically designed to receive signals from global navigation satellite systems (such as GPS, BeiDou, GLONASS, and Galileo), converting the radio frequency signals transmitted by the satellites into electrical signals for device positioning, navigation, and timing. The LORA antenna 40 is a radio frequency antenna specifically designed for long-range, low-power IoT communication, supporting LORA modulation technology (non-cellular LPWAN technology), suitable for sensor data backhaul in wide-area environments (such as smart cities and agricultural monitoring). The 4G antenna 50 is hardware specifically designed to support 4G LTE network communication, responsible for converting internal electrical signals to electromagnetic waves to achieve high-speed wireless data transmission. The WIFI / BT antenna 60 is hardware component used to support wireless network (WIFI) and Bluetooth communication, responsible for converting internal electrical signals to electromagnetic waves to achieve wireless data transmission.

[0031] The ground plane 20 is disposed on the upper side of the first dielectric substrate 10; the GNSS antenna 30 is connected to the ground plane 20 and disposed on the upper side of the ground plane 20; the LORA antenna 40 is disposed on the upper side of the GNSS antenna 30 and passes through the GNSS antenna 30 and is connected to the ground plane 20; the 4G antenna 50 and the WIFI / BT antenna 60 are disposed at intervals on the first dielectric substrate 10, and both the 4G antenna 50 and the WIFI / BT antenna 60 are connected to the ground plane 20, and both the 4G antenna 50 and the WIFI / BT antenna 60 are disposed at intervals around the outer periphery of the GNSS antenna 30.

[0032] The ground plane 20 is used for grounding and can be shared by the GNSS antenna 30, the LoRa antenna 40, the 4G antenna 50, and the WIFI / BT antenna 60. The first dielectric substrate 10 can be shared by the 4G antenna 50 and the WIFI / BT antenna 60 without interference. The GNSS antenna 30, LoRa antenna 40, 4G antenna 50, and WIFI / BT antenna 60 operate in different frequency bands, avoiding mutual interference. Through the above structural design, the GNSS antenna 30, LoRa antenna 40, 4G antenna 50, and WIFI / BT antenna 60 can be integrated together to form a combined antenna, greatly improving the antenna integration, reducing size, and facilitating antenna installation and placement.

[0033] In this embodiment of the invention, the multi-system combined antenna includes a first dielectric substrate 10, a ground plane 20, a GNSS antenna 30, a LoRa antenna 40, a 4G antenna 50, and a WIFI / BT antenna 60; the ground plane 20 is disposed on the upper side of the first dielectric substrate 10; the GNSS antenna 30 is connected to the ground plane 20 and is disposed on the upper side of the ground plane 20; the LoRa antenna 40 is disposed on the upper side of the GNSS antenna 30 and passes through the GNSS antenna 30 to connect to the ground plane 20; the 4G antenna 50 and the WIFI / BT antenna 60... The WIFI / BT antenna 60 is spaced apart on the first dielectric substrate 10. The 4G antenna 50 and the WIFI / BT antenna 60 are both connected to the ground plane 20. The 4G antenna 50 and the WIFI / BT antenna 60 are spaced apart on the outer periphery of the GNSS antenna 30. Through the above structural design, the GNSS antenna 30, LORA antenna 40, 4G antenna 50 and WIFI / BT antenna 60 can be integrated together to form a combined antenna, which greatly improves the integration of the antenna, reduces the size, and facilitates the installation and arrangement of the antenna.

[0034] Furthermore, in some embodiments, the GNSS antenna 30 includes a first radiator 31, a second radiator 32, and a second dielectric substrate 33, wherein the first radiator 31 and the second radiator 32 are disposed on the second dielectric substrate 33 at intervals from the inside out. The first radiator 31 and the second radiator 32 are not in contact with each other, and the second radiator 32 is disposed on one side of the first radiator 31. The first radiator 31 may specifically be circular.

[0035] Furthermore, there are multiple second radiators 32, which are evenly distributed around the first radiator 31. For example, in this embodiment, there are four second radiators 32, which are evenly distributed around the first radiator 31.

[0036] Furthermore, the GNSS antenna 30 also includes metal posts 34, and each of the second radiators 32 is connected to the ground plane 20 through one of the metal posts 34. Specifically, there are four metal posts 34, with each second radiator 32 connected to the ground plane 20 through one metal post 34. Simultaneously, the four metal posts 34 support the GNSS antenna 30 on the ground plane 20, creating a gap between the GNSS antenna 30 and the ground plane 20.

[0037] Furthermore, the GNSS antenna 30 also includes four feed probes 35, which are evenly distributed around the center line of the second dielectric substrate 33 and are all connected to the second dielectric substrate 33.

[0038] Specifically, four feed probes 35 are evenly placed around the central axis of the second dielectric substrate 33. One end is connected to the second dielectric substrate 33 to form an open circuit, and the other end is respectively input with equal amplitude electrical signals of 0°, 90°, 180° and 270° to couple and feed the first radiator 31 and the second radiator 32, and finally radiate circularly polarized signals to the outside, operating in the satellite communication frequency band of 1176-1278MHz / 1535-1610MHz.

[0039] Further, in some embodiments, the LORA antenna 40 includes a third dielectric substrate 41, a first radiating arm 42, and a second radiating arm 43; the first radiating arm 42 and the second radiating arm 43 are respectively disposed on both sides of the third dielectric substrate 41, and the second radiating arm 43 is connected to the ground plane 20. The third dielectric substrate 41, the first radiating arm 42, and the second radiating arm 43 are all provided with legs passing through the second dielectric substrate 33. Understandably, the second dielectric substrate 33 has holes for the legs to pass through.

[0040] Specifically, the LORA antenna 40 adopts a dipole form, and its structure includes a third dielectric substrate 41, a first radiating arm 42, a second radiating arm 43, and a ground plane 20. The first radiating arm 42 is located on one side of the third dielectric substrate 41, and the second radiating arm 43 is located on the other side of the third dielectric substrate 41. The lower end of the first radiating arm 42 is used to input electrical signals, and the lower end of the second radiating arm 43 is connected to the ground plane 20. Ultimately, the first radiating arm 42 and the second radiating arm 43 operate in the 470MHz radio frequency band. Since the electrical length of a single-stage sub-antenna is relatively long, the use of a half-wave dipole form in this embodiment can effectively reduce the physical height of the LORA antenna 40, while also eliminating antenna efficiency loss caused by bending lines, and the radiation pattern is omnidirectional, which is well compatible with the GNSS antenna 30.

[0041] The LORA antenna 40 is umbrella-shaped, but it can also be rectangular, elongated, or other shapes, as long as the resulting electrical length matches the resonant frequency.

[0042] Furthermore, in some embodiments, the 4G antenna 50 includes a third radiator 51, which is disposed on the first dielectric substrate 10 and connected to the ground plane 20.

[0043] Specifically, the 4G antenna 50 adopts a LOOP configuration, including a third radiator 51 and a ground plane 20. The third radiator 51 is laid on the first dielectric substrate 10. One end of the third radiator 51 receives an electrical signal, and the other end is connected to the ground plane 20, enabling the third radiator 51 to operate in the 820-960MHz / 1710-2690MHz 4G communication frequency band. The LOOP configuration of the 4G antenna 50 provides wide bandwidth characteristics. Unlike the common PIFA antenna configuration, it is directly laid on the first dielectric substrate 10, providing good clearance and greatly improving antenna efficiency. In addition, the third radiator 51 and the first radiator 31 of the GNSS antenna 30 form a height difference (the height of the third radiator 51 is lower than the height of the first radiator 31), ensuring that the non-circularity index of the GNSS antenna 30 reaches its optimal level.

[0044] Furthermore, in some embodiments, the WIFI / BT antenna 60 includes a fourth radiator 61, which is disposed on the first dielectric substrate 10 and connected to the ground plane 20.

[0045] Specifically, the WIFI / BT antenna 60 adopts the form of an IFA antenna, including a fourth radiator 61 (20) and a ground plane 20. The fourth radiator 61 is laid on the first dielectric substrate 10. One end of the fourth radiator 61 is used to input electrical signals, so that the fourth radiator 61 operates in the 2400-2480MHz / 5000-6000GHz frequency band.

[0046] Further, see Figure 4 In some embodiments, the LORA antenna 40 includes a fifth radiator 44, a fourth dielectric substrate 45, and a metal feed post 46. The fifth radiator 44 is disposed on the fourth dielectric substrate 45. One end of the metal feed post 46 is connected to the fifth radiator 44, and the other end of the metal feed post 46 passes through the second dielectric substrate 33 and is connected to the ground plane 20. The fifth radiator 44 and the fourth dielectric substrate 45 may both be circular in shape.

[0047] Specifically, in this embodiment, the LORA antenna 40 adopts a single-stage sub-antenna form, including a fifth radiator 44, a fourth dielectric substrate 45, and a metal feed post 46. The fifth radiator 44 is laid on the fourth dielectric substrate 45. One end of the metal feed post 46 is connected to the fifth radiator 44, and the other end passes through the second dielectric substrate 33 and is connected to the feed point on the ground plane 20 for inputting electrical signals.

[0048] The electrical length of a single-stage sub-antenna is typically 1 / 4 wavelength, resulting in a relatively long physical size. Therefore, the antenna arm must be bent to reduce its height, which in turn reduces the antenna's radiation efficiency. In this embodiment, a top-welded disk is used, which is equivalent to a capacitor, effectively reducing the antenna's physical size and lowering the operating frequency. By eliminating the bending mechanism, the antenna efficiency is improved at the same height.

[0049] In the above embodiments, the descriptions of each embodiment have different focuses. For parts that are not described in detail in a certain embodiment, please refer to the relevant descriptions in other embodiments.

[0050] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., 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 are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0051] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0052] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0053] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0054] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. The illustrative expressions of the above terms in this specification should not be construed as necessarily referring to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. In addition, those skilled in the art can combine and integrate the different embodiments or examples described in this specification.

[0055] Obviously, those skilled in the art can make various modifications and variations to this utility model without departing from its spirit and scope. Since these modifications and variations fall within the scope of the claims of this utility model and their equivalents, this utility model also intends to include these modifications and variations.

[0056] The above description describes specific embodiments of this utility model, but the scope of protection of this utility model is not limited thereto. Any person skilled in the art can easily conceive of various equivalent modifications or substitutions within the technical scope disclosed in this utility model, and these modifications or substitutions should all be covered within the scope of protection of this utility model. Therefore, the scope of protection of this utility model should be determined by the scope of the claims.

Claims

1. A multi-system combined antenna, characterized by, The device includes a first dielectric substrate, a ground plane, a GNSS antenna, a LoRa antenna, a 4G antenna, and a WIFI / BT antenna. The ground plane is disposed on the upper side of the first dielectric substrate. The GNSS antenna is connected to the ground plane and is disposed on the upper side of the ground plane. The LoRa antenna is disposed on the upper side of the GNSS antenna and passes through the GNSS antenna and is connected to the ground plane. The 4G antenna and the WIFI / BT antenna are disposed at intervals on the first dielectric substrate, and both the 4G antenna and the WIFI / BT antenna are connected to the ground plane. The 4G antenna and the WIFI / BT antenna are disposed at intervals around the outer periphery of the GNSS antenna.

2. The multi-system combined antenna of claim 1, wherein, The GNSS antenna includes a first radiator, a second radiator, and a second dielectric substrate, wherein the first radiator and the second radiator are spaced apart from the inside to the outside on the second dielectric substrate.

3. The multi-system combined antenna of claim 2, wherein, There are multiple second radiators, which are evenly distributed around the first radiator.

4. The multi-system combined antenna according to claim 2 or 3, characterized in that, The GNSS antenna also includes a metal column, and each of the second radiators is connected to the ground plane through one of the metal columns.

5. The multi-system combined antenna according to claim 2, characterized in that, The GNSS antenna also includes four feed probes, which are evenly distributed around the center line of the second dielectric substrate and are all connected to the second dielectric substrate.

6. The multi-system combined antenna according to claim 2, characterized in that, The LORA antenna includes a third dielectric substrate, a first radiating arm, and a second radiating arm; the first radiating arm and the second radiating arm are respectively disposed on both sides of the third dielectric substrate, and the second radiating arm is connected to the ground plane.

7. The multi-system combined antenna according to claim 6, characterized in that, The third dielectric substrate, the first radiating arm, and the second radiating arm are all provided with feet that pass through the second dielectric substrate.

8. The multi-system combined antenna according to claim 1, characterized in that, The 4G antenna includes a third radiator, which is disposed on the first dielectric substrate and connected to the ground plane.

9. The multi-system combined antenna according to claim 1, characterized in that, The WIFI / BT antenna includes a fourth radiator, which is disposed on the first dielectric substrate and connected to the ground plane.

10. The multi-system combined antenna according to claim 2, characterized in that, The LORA antenna includes a fifth radiator, a fourth dielectric substrate, and a metal feed post. The fifth radiator is disposed on the fourth dielectric substrate. One end of the metal feed post is connected to the fifth radiator, and the other end of the metal feed post passes through the second dielectric substrate and is connected to the ground plane.

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