UWB positioning device based on wireless microphone handset expansion installation

Abstract

The utility model discloses a UWB positioning device based on wireless microphone handset expansion installation. The device comprises a battery cover and a built-in UWB positioning beacon module, the top of the battery cover is provided with a standardized connection structure, and the battery cover can be rapidly assembled with a mainstream wireless microphone handset. And the UWB positioning beacon module transmits a high-precision positioning signal in real time and cooperates with the stage anchor point to realize centimeter-level tracking. The core innovation of the system lies in that a positioning function is deeply integrated with necessary equipment of a performer, and the problems of tedious operation, equipment visibility interference, limited action and the like caused by independent wearing of a UWB tag in a traditional scheme are thoroughly solved. The design has high efficiency, concealment and compatibility, the stage lighting automation level and the performance fluency are remarkably improved, and the system is suitable for multiple scenes such as concerts, drama and KTV karaoke rooms.

Description

Technical Field

[0001] This utility model relates to the field of UWB positioning beacon technology, and in particular to a UWB positioning device based on the extended installation of a wireless microphone handheld device. Background Technology

[0002] Ultra-wideband (UWB) technology has been widely used in stage automatic follow spot systems in recent years due to its high-precision positioning (centimeter-level error) and real-time tracking capabilities. These systems typically deploy multiple fixed UWB anchor points (base stations) in the stage area, combined with UWB positioning tags worn by performers, to acquire target location information in real time. The positioning data is then used by a central controller (such as a lighting control console based on the DMX / Art-Net protocol) to drive intelligent lighting fixtures, enabling automatic beam following and focusing.

[0003] However, existing UWB-based automatic stage follow spot systems rely on performers wearing individual UWB positioning tags (such as wristbands or waist-mounted devices), making operation cumbersome in scenarios involving multiple performers or frequent role changes (such as concerts and multi-person plays). When different performers take turns performing, each performer needs to wear a UWB tag, which not only increases preparation time before the performance but also poses a risk of tags being lost or accidentally activated. Utility Model Content

[0004] The main purpose of this invention is to provide a UWB positioning device based on the extended installation of a wireless microphone handheld unit, which aims to solve the problem that existing UWB-based automatic stage follow spot systems require performers to wear UWB positioning tags individually, resulting in cumbersome operation in scenarios with multiple people collaborating or frequent role changes.

[0005] To achieve the above objectives, this utility model proposes a UWB positioning device based on the extended installation of a wireless microphone handheld device, including a battery cover. The top of the battery cover is provided with a connection structure for connecting to the wireless microphone handheld device, and a UWB positioning beacon module is provided inside the battery cover.

[0006] In one possible implementation, the UWB positioning beacon module is located at the bottom of the battery cover, and the UWB positioning beacon module is detachably connected to the battery cover.

[0007] In one possible implementation, a fixing bolt is provided between the UWB positioning beacon module and the battery cover, the UWB positioning beacon module is provided with an internally threaded positioning post, the bottom of the battery cover is provided with a fixing hole, and the fixing bolt passes through the fixing hole and is threadedly connected to the internally threaded positioning post.

[0008] In one possible implementation, the UWB positioning beacon module includes a PCB board, a UWB radio frequency chip, a microcontroller, an antenna, and a power supply battery. The UWB radio frequency chip, microcontroller, and antenna are integrated on the PCB board, and the power supply battery is electrically connected to the PCB board.

[0009] In one possible implementation, the connection structure employs a threaded connection, with a fixing thread on the top of the battery cover that matches the wireless microphone handheld device, and the battery cover is connected to the wireless microphone handheld device via the fixing thread.

[0010] In one possible implementation, the battery cover is made of a non-metallic material to reduce interference from metallic materials on wireless signals.

[0011] The working principle and beneficial effects of this utility model are as follows:

[0012] This utility model's technical solution integrates the UWB positioning beacon module into the wireless microphone battery cover, achieving an innovative "device-as-tag" design. This fundamentally solves the problems of inefficiency, operational complexity, and fragmented experience caused by the separation of tags from performance props in existing technologies. When different performers alternate using the microphone, there's no need to wear or remove additional tags; simply passing the microphone automatically switches the tracking target. Furthermore, because it's integrated with the microphone, it effectively avoids tag loss, reduces the workload of backstage staff, and improves performance efficiency. Attached Figure Description

[0013] 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, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0014] Figure 1 This is a schematic diagram of the structure of the wireless microphone handheld device and battery cover of this utility model;

[0015] Figure 2 This is a schematic diagram of the structure of this utility model;

[0016] Figure 3 for Figure 2 Exploded view;

[0017] Figure 4 This is a rear view of the present invention.

[0018] The following are the reference numerals: 1. Battery cover; 2. UWB positioning beacon module; 11. Fixing hole; 12. Fixing thread; 21. PCB board; 22. UWB RF chip; 23. Microcontroller; 24. Power supply battery; 25. Internal thread positioning post.

[0019] The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0020] To make the objectives, technical solutions, and advantages of this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the scope of this application.

[0021] like Figures 1-4 As shown in the figure, this embodiment proposes a UWB positioning device based on the extended installation of a wireless microphone handheld device, including a battery cover, a connection structure for connecting to the wireless microphone handheld device is provided on the top of the battery cover, and a UWB positioning beacon module is provided inside the battery cover.

[0022] The connection structure uses a threaded connection. The top of the battery cover is provided with a fixing thread that matches the wireless microphone handheld device. The battery cover is connected to the wireless microphone handheld device through the fixing thread.

[0023] In this embodiment, the battery cover is not only the traditional power supply unit housing for the wireless microphone, but also serves a dual role as a functional expansion carrier and a positioning signal transmission medium. The battery cover is securely connected to the main body of the wireless microphone handheld unit via a top-designed connection structure (threaded connection), ensuring the physical integration of the UWB positioning beacon module and the microphone. Threaded connection is the primary connection method between the main body and the battery cover of existing conventional wireless microphone handheld units. Using a threaded connection allows for compatibility with more wireless microphone handheld unit models and offers advantages such as convenient, quick, and stable installation. In this embodiment, the battery cover design requires no modification to the microphone's original circuitry or housing; functional expansion is achieved simply by replacing the standardized battery cover. The UWB positioning beacon module communicates with the stage anchor point by emitting nanosecond-level pulse signals, calculates the microphone holder's three-dimensional coordinates in real time, and sends the data to the lighting control system via wireless protocols (such as Wi-Fi / Bluetooth backhaul or the native UWB protocol). Each UWB module is pre-programmed with a unique ID. When the microphone is passed between different performers, the lighting system automatically identifies the current holder ID and switches the tracking target, requiring no manual intervention. By integrating UWB functionality into the microphone's battery cover, performers can achieve location tracking simply by holding the microphone, solving the core pain point of traditional solutions where tags need to be repeatedly worn when changing performers. The module is completely hidden within the battery cover, avoiding the restrictions that external tags place on performers' movements (such as large arm swings or somersaults in dance), while maintaining a clean and aesthetically pleasing appearance. The UWB signal (6.5GHz band) does not overlap with the wireless microphone's audio transmission frequency band (such as UHF 600MHz), ensuring stable bidirectional data transmission through simple isolation.

[0024] In this embodiment, the UWB positioning beacon module is located at the bottom of the battery cover, and the UWB positioning beacon module is detachably connected to the battery cover. A fixing bolt (not shown in the figure) is provided between the UWB positioning beacon module and the battery cover. The UWB positioning beacon module is provided with an internally threaded positioning post, and a fixing hole is provided at the bottom of the battery cover. The fixing bolt passes through the fixing hole and is threadedly connected to the internally threaded positioning post.

[0025] The bottom of the battery cover is typically located near the microphone battery compartment, utilizing the redundant space in this area (unlike traditional battery covers where the bottom only serves as structural support) to avoid occupying upper space in the battery compartment (which needs to be reserved for the microphone battery), thus achieving space reuse. The bottom of the battery cover is away from the metal casing of the microphone body (as the handheld part is often made of metal), reducing UWB signal attenuation caused by metal shielding and improving antenna radiation efficiency. The bottom position is close to the external environment, facilitating natural heat dissipation from the UWB module during operation. The "detachable connection" design between the UWB positioning beacon module and the battery cover allows for individual disassembly of the UWB module for firmware upgrades, hardware repairs, or replacements, eliminating the need to discard the entire battery cover and reducing operating costs. The same battery cover can accommodate different models of UWB modules (such as low-power or high-performance versions) to meet diverse scenario requirements. The detachable connection between the UWB positioning beacon module and the battery cover is achieved by overlapping the internally threaded positioning post within the UWB positioning beacon module and the fixing hole on the bottom of the battery cover, and then connecting them with a threaded bolt. This bolted connection offers excellent vibration resistance, suitable for scenarios involving frequent movement of stage equipment. Using common tools (such as Phillips screwdrivers) allows for quick assembly and disassembly of modules, significantly improving operational efficiency.

[0026] In this embodiment, the UWB positioning beacon module includes a PCB board, a UWB radio frequency chip, a microcontroller, an antenna, and a power supply battery. The UWB radio frequency chip, microcontroller, and antenna (not shown in the figure) are integrated on the PCB board, and the power supply battery is electrically connected to the PCB board.

[0027] The PCB board, as the core substrate, interconnects components such as the UWB RF chip, microcontroller, and antenna through circuit wiring to form a complete functional circuit. In this embodiment, the PCB board uses a double-layer design (e.g., a 4-layer board) to effectively isolate the digital signal layer and the RF signal layer, reducing crosstalk. Internally threaded positioning posts are used to fix the PCB board. The UWB RF chip and microcontroller are soldered onto different layers of the PCB using SMT (Surface Mount Technology). The antenna is connected to the RF port of the RF chip via a microstrip line or coaxial connector (e.g., IPEX) on the PCB. The UWB RF chip generates and demodulates nanosecond-level UWB pulse signals to achieve high-precision ranging (e.g., based on TDoA or TWR algorithms). The microcontroller (MCU) runs positioning algorithms (e.g., TDoA calculation) and manages the communication protocol and power status of the UWB chip. The antenna converts the pulse signals from the UWB RF chip into electromagnetic waves and enables bidirectional communication with the stage anchor point. A power supply battery provides power to the UWB RF chip, microcontroller, and antenna on the PCB board.

[0028] In this embodiment, the battery cover is made of a non-metallic material to reduce interference from metallic materials on wireless signals. UWB technology relies on precise timestamps of nanosecond-level pulse signals for positioning, while metallic materials (such as aluminum and steel) can create a Faraday cage effect, weakening the penetration and radiation capabilities of UWB signals. Using non-metallic materials (such as ABS plastic, polycarbonate, or glass fiber reinforced nylon) to manufacture the battery cover effectively avoids electromagnetic reflection and ensures signal integrity due to their low dielectric constant and low conductivity.

[0029] In this embodiment, the UWB positioning device based on the extended installation of the wireless microphone handheld device can be applied not only to stages and concerts, but also to KTV karaoke rooms and other scenarios. In the KTV karaoke room scenario, the UWB positioning device can be linked with the room's UWB-based lighting system to enable the lights to track the person holding the wireless microphone handheld device, creating a singing atmosphere and enhancing the entertainment attributes of the KTV karaoke room.

[0030] In the accompanying drawings of this embodiment, the same or similar reference numerals correspond to the same or similar components. In the description of this application, it should be understood that if terms such as "upper," "lower," "left," and "right" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, they are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, the terms used to describe positional relationships in the accompanying drawings are only for illustrative purposes and should not be construed as limiting this patent. For those skilled in the art, the specific meaning of the above terms can be understood according to the specific circumstances.

[0031] The above are merely preferred embodiments of this application and are not intended to limit this application. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A UWB positioning device based on a wireless microphone handset extension installation, comprising a battery cover, characterized in that, The top of the battery cover is provided with a connecting structure for connecting with a wireless microphone handset, and the battery cover is internally provided with a UWB positioning beacon module.

2. The UWB positioning device based on the extension installation of the wireless microphone handset according to claim 1, characterized in that, The UWB positioning beacon module is located at the bottom of the battery cover, and the UWB positioning beacon module is detachably connected with the battery cover.

3. The UWB positioning device based on the extension installation of the wireless microphone handset according to claim 2, characterized in that, A fixing bolt is arranged between the UWB positioning beacon module and the battery cover, the UWB positioning beacon module is provided with an internally threaded positioning column, the bottom of the battery cover is provided with a fixing hole, and the fixing bolt is threadedly connected with the internally threaded positioning column through the fixing hole.

4. The UWB positioning device based on the extension installation of the wireless microphone handset according to claim 1 or 2, characterized in that, The UWB positioning beacon module comprises a PCB board, a UWB radio frequency chip, a microcontroller, an antenna and a power supply battery, the UWB radio frequency chip, the microcontroller and the antenna are integrated on the PCB board, and the power supply battery is electrically connected with the PCB board.

5. The UWB positioning device based on the extension installation of the wireless microphone handset according to claim 1, wherein, The connecting structure adopts a threaded connection, the top of the battery cover is provided with a fixing thread matched with the wireless microphone handset, and the battery cover is connected with the wireless microphone handset through the fixing thread.

6. The UWB positioning device based on the extension installation of the wireless microphone handset according to claim 1, wherein, The battery cover is made of a non-metal material to reduce the interference of metal materials on wireless signals.

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