UWB 3D antenna

Abstract

The utility model discloses a UWB (Ultra Wideband) 3D (Three-Dimensional) antenna, which comprises a three-layer plate layer structure and a transition plate, the three-layer plate layer structure comprises a base layer plate, a double-sided plate I and a double-sided plate II which are sequentially arranged from bottom to top; the transition plate is arranged between the double-sided plate I and the double-sided plate II and is used for isolating the double-sided plate I from the double-sided plate II; a plurality of radiation patches and a base material area surrounding the plurality of radiation patches are arranged on the double-sided board II, and a plurality of via holes I are also formed in the double-sided board II; through holes II corresponding to the through holes I are formed in the transition plate and the double-sided plate I; a via hole III, a wire and an interface are further arranged on the base plate, the via hole III corresponds to the via hole I and the via hole II, and each radiation patch is connected to the interface through the wire; and the connecting end of the wire and the radiation patch is provided with a capacitance and inductance debugging circuit for debugging the frequency of a signal, so that the frequency of the radiation patch is uniform and has no deviation.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of antenna, especially a UWB 3D antenna. BACKGROUND

[0002] Advantages of UWB technology: Ultra Wide Band (UWB) technology, as an advanced wireless communication technology, has the advantages of high positioning accuracy, high security, fast transmission speed and low power consumption. These characteristics make UWB widely used in many fields such as consumer electronics, industrial automation and intelligent transportation. In particular, in indoor positioning and navigation, UWB technology can achieve accurate positioning of stationary or moving objects.

[0003] Application of UWB positioning system: UWB positioning system uses its strong penetration, strong anti-multipath interference ability and good security characteristics, and is widely used in access management, location services and equipment communication. For example, in industrial environments, UWB can be used to track the location of personnel and equipment in real time, optimize production processes and improve safety.

[0004] Debugging challenges of UWB 3D antenna: Although UWB technology has many advantages, in practical application, the debugging of UWB 3D antenna still faces some challenges. In particular, after setting, the frequency of the antenna is difficult to unify, and deviation is prone to occur. This frequency deviation will affect the signal transmission efficiency and positioning accuracy of the antenna, and further affect the performance of the entire UWB positioning system. Utility model content

[0005] In view of the problems existing in the prior art, the utility model provides a UWB 3D antenna.

[0006] In order to achieve the above purpose, the utility model technical scheme is as follows:

[0007] The utility model provides a UWB 3D antenna, comprising: three-layer plate structure, overboard;

[0008] The three-layer plate structure comprises a base plate, a double-sided plate one and a double-sided plate two arranged in order from bottom to top;

[0009] The overboard is arranged between the double-sided plate one and the double-sided plate two, and is used for isolating the double-sided plate one and the double-sided plate two;

[0010] A plurality of radiation patches and a base material area surrounding the plurality of radiation patches are arranged on the double-sided plate two, and a plurality of through holes one are further arranged on the double-sided plate two;

[0011] The overboard and the double-sided plate one are both provided with a plurality of through holes two corresponding to the plurality of through holes one;

[0012] The base plate is also provided with a via three, a wire, and an interface, the via three corresponds to the via one and the via two, each radiation patch is connected to the interface through the wire, and the wire and the connection end of the radiation patch are provided with a capacitance inductance debugging circuit for debugging the frequency of the signal to make the frequency of the radiation patch uniform and unbiased.

[0013] Preferably, the double-sided plate two, the double-sided plate one and the excessive plate are all provided with windows through which the radiation patches pass, and the radiation patches are arranged on the base plate after passing through the windows.

[0014] Preferably, the number of the radiation patches is three, and the three radiation patches are arranged in an L shape.

[0015] Preferably, the base plate, the double-sided plate one, the excessive plate and the double-sided plate two are all composed of a rectangular plate and an extension plate arranged at the end corner of the rectangular plate and extending outward.

[0016] Preferably, the interface is arranged on the extension plate.

[0017] Preferably, the interface is a signal interface for connecting external devices, and the number of the signal interfaces matches the number of the radiation patches.

[0018] Preferably, the distance between the two radiation patches arranged side by side is 9.06 mm, and the distance between the two radiation patches arranged vertically is 6.32 mm.

[0019] Preferably, the capacitance inductance debugging circuit comprises at least one adjustable capacitor and at least one adjustable inductor.

[0020] Preferably, the radiation patch is rectangular in structure, with a length of 11.68 mm and a width of 9.19 mm.

[0021] Preferably, the base plate, the double-sided plate one, the excessive plate and the double-sided plate two are fixed together by adhesive.

[0022] The technical scheme of the utility model has the following beneficial effects:

[0023] The utility model discloses a plurality of radiation patches are arranged on double -faced panel two, and the base material area is arranged around the radiation patch, and an efficient signal radiation and receiving structure is formed. The radiation patch is responsible for emitting and receiving UWB signal, and the base material area provides stable support and electrical isolation for the radiation patch, ensuring that the signal is not disturbed in the radiation and receiving process;Each radiation patch is connected to the interface through the wire, and the wire and the radiation patch connection end have a capacitance inductance debugging circuit, which can accurately debug the frequency of the signal, unify the frequency of the radiation patch and have no deviation. This design optimizes the signal transmission path, reduces the loss and reflection of the signal in the transmission process, improves the transmission efficiency and accuracy of the signal, and provides high-quality signal transmission guarantee for the UWB positioning system.

[0024] The capacitance inductance debugging circuit can accurately adjust the frequency of the radiation patch, better adapt to different working frequency requirements, improve the stability and consistency of the signal, and thus improve the overall performance of the UWB positioning system;The impedance matching function of the capacitance inductance debugging circuit can effectively reduce the reflection and loss of the signal in the transmission process. Through accurate impedance matching, the transmission efficiency of the signal is improved, the signal distortion and noise are reduced, and the UWB positioning system can more accurately measure the distance and position. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is the connection schematic drawing of the radiation patch, the interface and the wire of the utility model;

[0026] Figure 2 It is the structure schematic drawing of double -faced panel two of the utility model;

[0027] Figure 3 It is the structure schematic drawing of the utility model overboard;

[0028] Figure 4 It is the structure schematic drawing of double -faced panel one of the utility model;

[0029] Figure 5 It is the structure schematic drawing of the utility model base plate. DETAILED DESCRIPTION

[0030] The embodiments of the utility model are described in detail below, and the examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are intended to explain the utility model, and cannot be understood as limiting the utility model.

[0031] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like is the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0032] In addition, the terms "first" and "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "multiple" is two or more, unless otherwise explicitly specified.

[0033] In the utility model, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or indirectly connected through an intermediate medium, or it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0034] In the utility model, unless otherwise explicitly specified and limited, the "upper" or "lower" of the first feature to the second feature can include that the first and second features are in direct contact, or the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the "upper", "upper" and "upper" of the first feature to the second feature include that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The "below", "below" and "below" of the first feature to the second feature include that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0035] Reference Figures 1 to 5 The utility model provides a kind of UWB 3D antenna, comprising: three-layer plate structure, overboard 200;

[0036] The three-layer board layer structure includes, from bottom to top, a base board 400, a double-sided board one 300, and a double-sided board two 100; wherein the overboard 200 is arranged between the double-sided board one 300 and the double-sided board two 100, for isolating the double-sided board one 300 and the double-sided board two 100, preventing electrical interference between the two boards, and ensuring stable transmission of signals; through the design of the three-layer board layer structure, the signal transmission between different layers is less disturbed, and the transmission path is clearer, thereby improving the transmission efficiency and accuracy of the signal. For example, the double-sided board one 300 and the double-sided board two 100 can be arranged as a signal layer and a ground layer respectively, and the close coupling of the signal layer and the ground layer helps to reduce signal reflection and loss. The isolation effect of the overboard 200 effectively shields the electromagnetic interference between the double-sided board one 300 and the double-sided board two 100, reduces signal distortion and noise, and enhances the anti-interference ability of the antenna.

[0037] The double-sided board two 100 is provided with a plurality of radiation patches 110 and a substrate area 120 surrounding the plurality of radiation patches 110, further, the number of the plurality of radiation patches 110 is three, the three radiation patches 110 are arranged in an L shape, the distance between the left and right two radiation patches 110 is 9.06 mm, and the distance between the upper and lower two radiation patches 110 is 6.32 mm; the radiation patch 110 is in a rectangular structure, the length thereof is 11.68 mm, and the width thereof is 9.19 mm; the double-sided board two 100 is further provided with a plurality of via holes one 101; the radiation patch 110 is a core functional element of the UWB 3D antenna, and its main function is to radiate and receive UWB signals, the radiation patch can generate effective electromagnetic radiation in the UWB frequency band to realize emission and reception of signals. The substrate area 120 is made of insulating material and can provide electrical isolation between the radiation patches and between the radiation patches and other circuit elements, which helps to prevent signal interference and short circuit phenomenon, and ensures normal operation of the circuit and stable transmission of signals.

[0038] The overboard 200 and the double-sided board one 300 are both provided with via holes two (201, 301) corresponding to the plurality of via holes one 101; the main function of the via hole is to realize electrical connection between different layers, by filling conductive material or inserting conductive elements in the via hole, the circuit on the double-sided board two 100 can be connected with the circuit on the overboard 200 and the double-sided board one 300, forming a complete electrical path, realizing transmission of signals between different layers.

[0039] The base plate 400 is also provided with a via three 401, a wire 420 and an interface 410. The via three 401 corresponds to the via one 101 and the via two. Each radiation patch 110 is connected to the interface 410 through the wire 420. The wire 420 and the connection end of the radiation patch 110 are provided with a capacitance and inductance debugging circuit, which is used to debug the frequency of the signal, so that the frequency of the radiation patch is uniform and has no deviation. The wire 420 is arranged on the base plate 400 and is responsible for transmitting the signal transmitted or received by the radiation patch 110 to the interface 410. It provides a clear transmission path for the signal, ensuring that the signal can be smoothly transmitted from the radiation patch 110 to the external device, realizing the communication between the antenna and the external system. The interface 410 is used to connect the antenna and the external device (such as a UWB positioning system, a communication device, etc.). It provides an output and input port for the antenna signal, so that the antenna can exchange data and communicate with the external system.

[0040] Further, the double-sided plate two 100, the double-sided plate one 300 and the transition plate 200 are all provided with windows (302, 202) through which the radiation patches pass. The radiation patches 110 are arranged on the base plate 400 after passing through the windows. The base plate 400, the double-sided plate one 300, the transition plate 200 and the double-sided plate two 100 are fixed together by adhesive to form an integral whole, thereby enhancing the vibration resistance and impact resistance of the antenna and enabling it to maintain stable performance in various environments. The adhesive is epoxy resin adhesive or silicone adhesive, which ensures firm connection and good electrical performance between the plates.

[0041] Further, the base plate 400, the double-sided plate one 300, the transition plate 200 and the double-sided plate two 100 are all composed of rectangular plates and extension plates arranged at the end corners of the rectangular plates and extending outward. The interface 410 is arranged on the extension plate. The interface 410 is a signal interface for connecting external devices, and the number of signal interfaces matches the number of radiation patches 110.

[0042] Further, the capacitance and inductance debugging circuit includes at least one adjustable capacitor and at least one adjustable inductor. By adjusting the capacitance value of the adjustable capacitor and the inductance value of the adjustable inductor, the resonant frequency of the radiation patch can be changed to reach the required frequency range. This adjustment function enables the antenna to adapt to different working frequency requirements, improving its flexibility and applicability. The capacitance and inductance debugging circuit can also be used for impedance matching. By adjusting the parameters of the adjustable capacitor and the adjustable inductor, the input impedance of the circuit can be changed to match the impedance of the radiation patch, thereby reducing signal reflection and loss and improving the efficiency of signal transmission and the radiation performance of the antenna.

[0043] The above merely describes preferred embodiments of the present application, and is not intended to limit the patent scope of the present application, and any equivalent structural transformation or direct / indirect application in other related technical fields under the inventive concept of the present application, as described in the present application specification and drawings, is included in the patent protection scope of the present application.

Claims

1. A UWB 3D antenna, characterized by, The application relates to a three-layer board structure and an overboard. The three-layer board structure comprises, from bottom to top, a base layer, a double-sided board one and a double-sided board two. The overboard is arranged between the double-sided board one and the double-sided board two and is used for isolating the double-sided board one and the double-sided board two. The double-sided board two is provided with a plurality of radiation patches and a substrate region surrounding the plurality of radiation patches, and is further provided with a plurality of through holes one. The overboard and the double-sided board one are both provided with a plurality of through holes two corresponding to the plurality of through holes one. The base layer is further provided with through holes three, wires and an interface, the through holes three correspond to the through holes one and the through holes two, each radiation patch is connected to the interface through the wires, and the wires and the connection end of the radiation patch are provided with a capacitance-inductance debugging circuit for debugging the frequency of a signal so that the frequencies of the radiation patches are uniform and have no deviation. The double-sided board two, the double-sided board one and the overboard are all provided with windows through which the radiation patches pass.

2. The UWB 3D antenna according to claim 1, characterized in that, The number of the plurality of radiation patches is three, and the three radiation patches are arranged in an L shape.

3. The UWB 3D antenna according to claim 2, characterized in that, The base layer, the double-sided board one, the overboard and the double-sided board two are all composed of a rectangular plate and an extension plate arranged at the end corner of the rectangular plate and extending outward.

4. The UWB 3D antenna according to claim 2, characterized in that, The interface is arranged on the extension plate.

5. The UWB 3D antenna according to claim 4, characterized in that, The interface is a signal interface used for connecting external equipment, and the number of the signal interfaces matches the number of the radiation patches.

6. The UWB 3D antenna according to claim 5, characterized in that, The interval between two left-right parallel radiation patches is 9.06 mm, and the interval between two upper-lower parallel radiation patches is 6.32 mm.

7. The UWB 3D antenna according to claim 6, characterized in that, The capacitance-inductance debugging circuit comprises at least one adjustable capacitor and at least one adjustable inductor.

8. The UWB 3D antenna according to claim 1, characterized in that, The radiation patch is rectangular in structure, the length of the radiation patch is 11.68 mm, and the width of the radiation patch is 9.19 mm.

9. The UWB 3D antenna according to claim 7, characterized in that, The base layer, the double-sided board one, the overboard and the double-sided board two are fixed together through adhesive.

10. The UWB 3D antenna according to claim 4, characterized in that, ​

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