Communication navigation positioning combined antenna

Abstract

The utility model discloses a communication navigation positioning combination antenna, relating to the combination antenna technology field, the communication navigation positioning combination antenna comprises a circuit board, a second antenna mechanism and a first antenna mechanism, the second antenna mechanism comprises a second dielectric plate, a second antenna assembly and a second probe, the first antenna mechanism comprises a first dielectric plate, a first antenna unit and a first probe; according to the technical scheme, the first antenna unit is printed on the first dielectric plate, the second antenna assembly is printed on the first dielectric plate, then the first antenna unit is electrically connected with the circuit board through the first probe, and the second antenna assembly is electrically connected with the circuit board through the first probe. Therefore, the current formed by the coupling of the first antenna unit flows into the circuit board through the second probe, thereby eliminating the mutual influence between the second antenna assembly and the first antenna unit, reducing the interference of a navigation positioning signal, and improving the positioning precision.

Description

Technical Field

[0001] The utility model relates to the technical field of combined antennas, in particular to a communication, navigation and positioning combined antenna. Background Art

[0002] With the development of satellite positioning and navigation technology in recent years, the demand for communication, navigation and positioning combined antennas has become increasingly greater, so that the transmission and reception of satellite navigation signals and mobile communications can be achieved through communication, navigation and positioning combined antennas.

[0003] In the prior art, there is a solution that combines the navigation and positioning antenna and the communication antenna on a dielectric board. In this configuration, the antennas will interfere with and couple with each other, causing interference to the navigation and positioning signal, reducing positioning accuracy, and even causing satellite lock failure. Utility Model Content

[0004] The main purpose of the utility model is to propose a communication, navigation and positioning combined antenna, which aims to solve the problem that the existing technology combines the navigation and positioning antenna and the communication antenna into a dielectric board, and the antennas interfere and couple with each other, causing the navigation and positioning signal to be interfered with and reducing the positioning accuracy.

[0005] To achieve the above-mentioned purpose, the communication, navigation and positioning combined antenna proposed by the utility model comprises:

[0006] Circuit boards;

[0007] a first antenna mechanism, the first antenna mechanism being disposed on the circuit board, the first antenna mechanism comprising a first dielectric board, a first antenna unit and a first probe, the first antenna unit being printed on the first dielectric board, and the first probe being disposed between the circuit board and the first dielectric board so that the first antenna unit is electrically connected to the circuit board; and

[0008] A second antenna mechanism, the second antenna mechanism is arranged on the circuit board, and the second antenna mechanism is arranged at a distance from the first antenna mechanism, the second antenna mechanism includes a second dielectric board, a second antenna component and a second probe, the second dielectric board is arranged on the circuit board, the second antenna component is printed on the second dielectric board, and the second probe is arranged between the circuit board and the second antenna component to electrically connect the second antenna component to the circuit board.

[0009] In one embodiment, the first probe includes a first feeding probe and a first metal column, the first feeding probe and the first metal column are both connected to the circuit board and the first antenna unit, and the first feeding probe and the first metal column are spaced apart.

[0010] In one embodiment, the first dielectric plate includes four fixed plate units, which are mutually enclosed and connected to form a fixed frame. The number of the first antenna units is four, and each of the first antenna units is arranged at a corner of the fixed frame and extends along the length direction of two adjacent fixed plate units.

[0011] In one embodiment, the second probe includes a short-circuit probe and a second metal column, the short-circuit probe and the second metal column are both connected to the circuit board and the second antenna assembly, and the short-circuit probe is spaced apart from the second metal column.

[0012] In one embodiment, the second antenna component includes a first resonant radiation plate and a second resonant radiation plate, and the first resonant radiation plate and the second resonant radiation plate are both printed on the second dielectric board.

[0013] In one embodiment, the second metal column connects the first resonant radiation plate and the circuit board, and the short-circuit probe connects the second resonant radiation plate and the circuit board.

[0014] In one embodiment, the second antenna assembly further includes a main radiating plate and a coupling feeding plate, wherein the main radiating plate is disposed on the second dielectric plate, and the coupling feeding plate is disposed on the back side of the second dielectric plate, and the second probe further includes the second feeding probe, and the second feeding probe connects the main radiating plate and the coupling feeding plate.

[0015] In one embodiment, the second dielectric plate is ring-shaped, the first resonant radiation plate and the second resonant radiation plate form a resonant radiation ring, and the second resonant radiation plate and the first resonant radiation plate are arranged close to each other end to end.

[0016] In one embodiment, a plurality of the second resonant radiation plates and a plurality of the first resonant radiation plates are arranged around the main radiation plate.

[0017] In one embodiment, the second antenna assembly further comprises an open-circuit branch feed ring, and the open-circuit branch feed ring is arranged on the main radiation plate.

[0018] The technical solution of the utility model prints the first antenna unit on the first dielectric board, prints the second antenna assembly on the first dielectric board, and then the first antenna unit is electrically connected to the circuit board through the first probe, and the second antenna assembly is electrically connected to the circuit board through the first probe, so that the first antenna mechanism and the second antenna mechanism are independent of each other, and the current formed by the coupling of the first antenna unit can flow into the circuit board through the second probe, so as to eliminate the mutual influence between the second antenna assembly and the first antenna unit, reduce the interference of the navigation positioning signal, and improve the positioning accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0020] Figure 1 A schematic structural diagram of an embodiment of a communication, navigation and positioning combined antenna provided by the utility model;

[0021] Figure 2 This is a structural schematic diagram of an embodiment of a first probe, a short-circuit probe and a second dielectric plate provided by the utility model.

[0022] Description of Figure Numbers:

[0023] 100. Communication, navigation and positioning combined antenna;

[0024] 1. first antenna mechanism; 11. first dielectric plate; 110. fixing plate unit; 12. first antenna unit; 13. first probe; 14. first feeding probe; 15. first metal column;

[0025] 2. Second antenna structure; 20. Second dielectric plate; 21. Second antenna assembly; 22. First resonant radiation plate; 23. Second resonant radiation plate; 24. Main radiation plate; 25. Coupled feed plate; 26. Feed ring with open branch; 27. Second probe; 270. Short-circuit probe; 271. Second metal column; 272. Second feeding probe;

[0026] 3. Circuit board.

[0027] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back...), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indications will also change accordingly.

[0030] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features limited to "first" and "second" may explicitly or implicitly include at least one of the features. In addition, if "and / or" or "and / or" appears in the full text, its meaning includes three parallel solutions. Taking "A and / or B" as an example, it includes solution A, solution B, or solutions that satisfy both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the utility model.

[0031] In the prior art, there is a solution that combines the navigation and positioning antenna and the communication antenna on a dielectric board. In this configuration, the antennas will interfere with and couple with each other, causing interference to the navigation and positioning signal, reducing positioning accuracy, and even causing satellite lock failure.

[0032] The utility model provides a communication, navigation and positioning combined antenna 100. Figure 1 and Figure 2 In one embodiment of the present utility model, the communication, navigation and positioning combined antenna 100 proposed by the present utility model includes:

[0033] Circuit board 3;

[0034] a first antenna mechanism 1, the first antenna mechanism 1 being disposed on a circuit board 3, the first antenna mechanism 1 comprising a first dielectric board 11, a first antenna unit 12 and a first probe 13, the first antenna unit 12 being printed on the first dielectric board 11, and the first probe 13 being disposed between the circuit board 3 and the first dielectric board 11, so that the first antenna unit 12 is electrically connected to the circuit board 3; and

[0035] The second antenna mechanism 2 is arranged on the circuit board 3, and the second antenna mechanism 2 is spaced apart from the first antenna mechanism 1. The second antenna mechanism 2 includes a second dielectric plate 20, a second antenna component 21 and a second probe 27. The second dielectric plate 20 is arranged on the circuit board 3, the second antenna component 21 is printed on the second dielectric plate 20, and the second probe 27 is arranged between the circuit board 3 and the second antenna component 21 to electrically connect the second antenna component 21 to the circuit board 3.

[0036] The technical solution of the utility model prints the first antenna unit 12 on the first dielectric plate 11, prints the second antenna assembly on the first dielectric plate 11, and then the first antenna unit 12 is electrically connected to the circuit board 3 through the first probe 13, and the second antenna assembly 21 is electrically connected to the circuit board 3 through the first probe 13, so that the first antenna mechanism 1 and the second antenna mechanism 2 are independent of each other, and the current formed by the coupling of the first antenna unit 12 can flow into the circuit board 3 through the second probe 27, so as to eliminate the mutual influence between the second antenna assembly 21 and the first antenna unit 12, reduce the interference of the navigation positioning signal, and improve the positioning accuracy.

[0037] The first antenna mechanism 1 may be a communication antenna, and the second antenna mechanism may be a navigation and positioning antenna.

[0038] See also Figure 1 In one embodiment of the utility model, the first antenna unit 12 is printed on the first dielectric plate 11, and the second antenna assembly 21 is printed on the first dielectric plate 11, thereby avoiding the mutual interference and coupling between the first antenna mechanism 1 and the second antenna mechanism 2 when they are assembled on a dielectric plate.

[0039] See also Figure 1 The first probe 13 includes a first feeding probe 14 and a first metal column 15 . The first feeding probe 14 and the first metal column 15 are both connected to the circuit board 3 and the first antenna unit 12 . The first feeding probe 14 and the first metal column 15 are spaced apart.

[0040] In one embodiment of the utility model, the first antenna unit 12 forms an inverted F-shaped structure with the first feeding probe 14 and the first metal column 15. The current formed by the coupling of the first antenna unit 12 can flow into the circuit board 3 through the first feeding probe 14 to eliminate the mutual influence between the first antenna unit 12 and the second antenna component 21.

[0041] The first feeding probe 14 and the first metal column 15 are designed as cylindrical structures. Furthermore, the material of the first metal column 15 can be copper, stainless steel or aluminum.

[0042] In one embodiment of the utility model, the first dielectric plate 11 includes four fixed plate units 110, and the four fixed plate units 110 are mutually enclosed and connected to form a fixed frame. The number of first antenna units 12 is four, and each first antenna unit 12 is arranged at the corner of the fixed frame and extends along the length direction of two adjacent fixed plate units 110.

[0043] Specifically, the first metal column 15 and the first feeding probe 14 can be installed to the circuit board 3 by plugging. And because the first antenna unit 12 is printed on the first dielectric plate 11, the end of the first metal column 15 away from the circuit board 3 can be installed to the first dielectric plate 11 by plugging, and can be snap-fitted with the first antenna unit 12. In this way, the antenna unit is electrically connected to the circuit board 3 through the first metal column 15.

[0044] A first metal column 15 and a first feeding probe 14 are installed at the bottom of each fixed plate unit 110. The first metal column 15 can be plugged into the fixed plate unit 110, the first metal column 15 supports the fixed plate unit 110, and is electrically connected to the first antenna unit 12. The first feeding probe 14 can also be plugged into the fixed plate unit 110, and is spaced apart from the first metal column 15. Among them, the four first antenna units 12 are respectively arranged at the four corners of the fixed frame, and extend along the length direction of two adjacent fixed plate units 110. The four first metal columns 15 are respectively arranged at the four corners of the fixed frame, and can be connected to the first antenna unit 12.

[0045] In an embodiment of the present invention, the second probe 27 includes a short-circuit probe 270 and a second metal column 271 . The short-circuit probe 270 and the second metal column 271 are both connected to the circuit board 3 and the second antenna assembly 21 . The short-circuit probe 270 and the second metal column 271 are spaced apart.

[0046] The short-circuit probe 270 and the second metal column 271 are designed as cylindrical structures.

[0047] In an embodiment of the present invention, the second antenna assembly 21 includes a first resonant radiation plate 22 and a second resonant radiation plate 23 . The first resonant radiation plate 22 and the second resonant radiation plate 23 are both printed on the second dielectric plate 20 .

[0048] In order to electrically connect the second antenna assembly 21 to the circuit board 3, the second metal column 271 connects the first resonant radiation plate 22 and the circuit board 3, and the short-circuit probe 270 connects the second resonant radiation plate 23 and the circuit board 3. The first metal column 15 is installed on the circuit board 3 by plugging, and similarly, the short-circuit probe 270 is installed on the circuit board 3 by plugging.

[0049] Since the first resonant radiation sheet 22 and the second resonant radiation sheet 23 are both printed on the second dielectric plate 20, the end of the second metal column 271 away from the circuit board 3 can be installed on the second dielectric plate 20 by plugging, and is engaged with the first resonant radiation sheet 22, and the first resonant radiation sheet 22 is electrically connected to the circuit board 3 through the second metal column 271. Similarly, the end of the short-circuit probe 270 away from the circuit board 3 can be installed on the second dielectric plate 20 by plugging, and is engaged with the second resonant radiation sheet 23, and the second resonant radiation sheet 23 is electrically connected to the circuit board 3 through the short-circuit probe 270.

[0050] See also Figure 1 and Figure 2 In one embodiment of the utility model, the second antenna assembly 21 also includes a main radiating plate 24 and a coupling feeding plate 25, the main radiating plate 24 is arranged on the second dielectric plate 20, and the coupling feeding plate 25 is arranged on the back side of the second dielectric plate 20, and the second probe 27 also includes a second feeding probe 272, and the second feeding probe 272 connects the main radiating plate 24 and the coupling feeding plate 25.

[0051] The coupling feed sheet 25 is printed on the back of the second dielectric plate 20. The second feeding probe 272 can be installed on the circuit board 3 by plugging, and the end of the second feeding probe 272 away from the circuit board 3 can be installed on the main radiation sheet 24 by plugging, and is engaged with the coupling feed sheet 25. In this way, the second feeding probe 272 connects the main radiation sheet 24 and the coupling feed sheet 25, and the main radiation sheet 24 is electrically connected to the circuit board 3 through the second feeding probe 272.

[0052] See also Figure 1 The first resonant radiation plate 22 and the second resonant radiation plate 23 form a resonant radiation ring, and the second resonant radiation plate 23 and the first resonant radiation plate 22 are arranged close to each other end to end.

[0053] In an embodiment of the present invention, a plurality of second resonant radiation plates 23 and a plurality of first resonant radiation plates 22 are disposed around the main radiation plate 24 .

[0054] Specifically, a first resonant radiation plate 22 and a second resonant radiation plate 23 form a resonant radiation ring. A plurality of resonant radiation rings are arranged around the main radiation plate 24, and the first resonant radiation plate 22 and the second resonant radiation plate 23 of each resonant radiation ring overlap and cross each other end to end. Each resonant radiation ring can be arranged in an L shape.

[0055] Among them, the second metal column 271 connects the first resonant radiation plate 22 and the circuit board 3, and the short-circuit probe 270 connects the second resonant radiation plate 23 and the circuit board 3, so that the first resonant radiation plate 22 and the second resonant radiation plate 23 can be electrically connected to the circuit board 3 through the second metal column 271 and the short-circuit probe 270 respectively.

[0056] Optionally, the second antenna assembly 21 further includes a feed ring 26 with an open branch, and the feed ring 26 with an open branch is arranged on the main radiation plate 24. The feed ring 26 with an open branch can be electrically connected to the circuit board 3 through the second feeding probe 272.

[0057] The above description is only an exemplary embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the technical concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A communication, navigation and positioning combined antenna, characterized in that: include: Circuit boards; a first antenna mechanism, the first antenna mechanism being arranged on the circuit board, the first antenna mechanism comprising a first dielectric board, a first antenna unit and a first probe, the first antenna unit being printed on the first dielectric board, and the first probe being arranged between the circuit board and the first dielectric board so that the first antenna unit is electrically connected to the circuit board; as well as A second antenna mechanism, the second antenna mechanism is arranged on the circuit board, and the second antenna mechanism is arranged at a distance from the first antenna mechanism, the second antenna mechanism includes a second dielectric board, a second antenna component and a second probe, the second dielectric board is arranged on the circuit board, the second antenna component is printed on the second dielectric board, and the second probe is arranged between the circuit board and the second antenna component to electrically connect the second antenna component to the circuit board.

2. The communication, navigation and positioning combined antenna according to claim 1, characterized in that: The first probe includes a first feeding probe and a first metal column. The first feeding probe and the first metal column are both connected to the circuit board and the first antenna unit. The first feeding probe and the first metal column are spaced apart.

3. The communication, navigation and positioning combined antenna according to claim 2, characterized in that: The first dielectric plate includes four fixing plate units, which are mutually enclosed and connected to form a fixing frame. The number of the first antenna units is four, each of which is arranged at a corner of the fixing frame and extends along the length direction of two adjacent fixing plate units.

4. The communication, navigation and positioning combined antenna according to any one of claims 1 to 3, characterized in that: The second probe comprises a short-circuit probe and a second metal column. Both the short-circuit probe and the second metal column are connected to the circuit board and the second antenna assembly. The short-circuit probe and the second metal column are spaced apart.

5. The communication, navigation and positioning combined antenna according to claim 4, characterized in that: The second antenna assembly includes a first resonant radiation plate and a second resonant radiation plate, and the first resonant radiation plate and the second resonant radiation plate are both printed on the second dielectric board.

6. The communication, navigation and positioning combined antenna according to claim 5, characterized in that: The second metal column connects the first resonant radiation plate and the circuit board, and the short-circuit probe connects the second resonant radiation plate and the circuit board.

7. The communication, navigation and positioning combined antenna according to claim 5, characterized in that: The second antenna assembly further includes a main radiating plate and a coupling feeding plate, wherein the main radiating plate is arranged on the second dielectric plate, and the coupling feeding plate is arranged on the back side of the second dielectric plate. The second probe further includes a second feeding probe, and the second feeding probe connects the main radiating plate and the coupling feeding plate.

8. The communication, navigation and positioning combined antenna according to claim 7, characterized in that: The second dielectric plate is ring-shaped, the first resonant radiation plate and the second resonant radiation plate form a resonant radiation ring, and the second resonant radiation plate and the first resonant radiation plate are arranged close to each other end to end.

9. The communication, navigation and positioning combined antenna according to claim 8, characterized in that: A plurality of the second resonant radiation plates and a plurality of the first resonant radiation plates are arranged around the main radiation plate.

10. The communication, navigation and positioning combined antenna according to claim 9, characterized in that: The second antenna assembly further comprises an open-circuit branch feed ring, and the open-circuit branch feed ring is arranged on the main radiation plate.

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