Equipment upgrading suite and system
By integrating a microphone and speaker through an irregularly shaped circuit board and a circular plastic housing design, it enables rapid upgrades of non-smart devices, solves the problem of upgrading traditional devices to be intelligent, improves the intelligence level of the devices and the user experience, and is suitable for remote control of a variety of non-smart devices.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-27
- Publication Date
- 2026-03-24
AI Technical Summary
Existing technologies make it difficult to quickly and cost-effectively upgrade traditional devices into smart devices. Furthermore, the stability, voice recognition accuracy, and real-time remote control of upgraded devices are difficult to guarantee when applied on a large scale. In particular, the compatibility and control range of non-smart devices are limited.
Featuring an irregularly shaped convex circuit board and a circular plastic housing, it integrates a microphone, speaker, and communication unit. It enables local bidirectional communication via a UART interface, adds optocoupler isolation circuitry and independent LDO module power supply, supports SPI expansion interface, adapts to non-smart devices, and can be remotely controlled via IoT cloud platform and mobile devices.
It enables rapid and low-cost upgrades of non-intelligent devices, enhances the intelligence level of devices and user experience, has a wide range of compatibility, is suitable for various space-constrained occasions, and has stable operation and efficient remote control capabilities.
Smart Images

Figure CN224037376U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to equipment upgrading device technical field, specifically discloses a kind of equipment upgrading kit and system. BACKGROUND
[0002] With the rapid development of Internet of Things (IoT) and speech recognition technology, the intelligent upgrading of traditional devices has gradually become an important trend in various industries. Internet of Things technology can realize remote control, data collection and management of devices through the connection of devices and the Internet, and improve the intelligent level and user experience of devices. The maturity of speech recognition technology makes human-computer interaction more convenient and natural, further promoting the popularization of intelligent products. The combination of Internet of Things technology and speech recognition technology can make traditional devices have intelligent control function and improve the added value of products.
[0003] Currently, Internet of Things technology is widely used in smart home, industrial automation and other fields. How to quickly and low-cost upgrade traditional devices to intelligent devices is still a technical problem currently faced. Traditional devices often cannot be directly and effectively connected with modern intelligent control systems due to the lack of standardized interfaces and remote control capabilities. In addition, how to ensure that the upgraded devices can run stably, especially in large-scale applications, their intelligent level, speech recognition accuracy and real-time remote control need to be guaranteed. For example, in the prior art, patent No. CN210516217U discloses a voice control device supporting intelligent upgrading of traditional sound, the target object is "traditional sound", the voice recognition module finally converts the instruction into an audio signal, which is connected to the sound after digital-to-analog conversion, realizing the upgrading of playing function, and the control range is limited to sound devices, which cannot be applied to general "non-intelligent devices". At the same time, the linear plug-in PCB structure is usually packaged as a U disk style, which is convenient for connection with the sound, but is limited by the internal space form of the device and is not suitable for embedded or hidden installation. Based on the above problems existing in the prior art, a device for upgrading general non-intelligent devices has become an urgent need. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a kind of equipment upgrading kit and system to solve the problems existing in the prior art.
[0005] The utility model is realized by the following technical solutions:
[0006] The utility model discloses a kind of equipment upgrading kit, comprising:
[0007] The circular plastic shell composed of detachable upper shell and lower shell is provided with integrated installation cavity in the lower shell;
[0008] A special-shaped circuit board is arranged in the lower shell, the circuit board is in a convex letter structure, and is fixed on the positioning column of the lower shell through a screw;
[0009] A loudspeaker is arranged on the back of the circuit board, and a vibration surface of the loudspeaker and an inner wall of the lower shell form a sealed acoustic chamber.
[0010] The communication unit and the voice unit are integrated on the front of the circuit board, and wherein:
[0011] The communication unit and the voice unit are integrated on the front of the circuit board, and wherein:
[0012] The voice unit is connected with a microphone and drives the loudspeaker arranged on the back of the circuit board.
[0013] A non-intelligent device connection port is arranged on the edge of the lower shell and is used for connecting an external non-intelligent device.
[0014] Preferably, the microphone comprises three MEMS microphones, is arranged in a 120° annular distribution on the edge of the lower shell, and the microphone sound inlet hole adopts an inverted conical structure and has a hole diameter of 1.2±0.1 mm.
[0015] Preferably, an optical coupling isolation circuit is arranged between the voice unit and the communication unit, power supply areas of the two are supplied with power through independent LDO modules, analog audio wires and digital signal lines are layered and arranged, and the spacing is greater than or equal to 2 mm.
[0016] Preferably, the communication unit is a WiFi communication unit and comprises a TG7100C chip, and the voice unit comprises a US516P6 chip, the voice unit is connected with the microphone through an I2S interface and is connected to an audio power amplifier module through an audio output signal DAC_X to drive the loudspeaker arranged on the back of the circuit board.
[0017] Preferably, the raised portion of the circuit board is provided with a honeycomb-shaped heat dissipation hole array, the hole diameter is 1.0±0.1 mm, and a ventilation groove is arranged at a corresponding position of the bottom of the lower shell.
[0018] Preferably, the circuit board is provided with an SPI expansion interface and supports an external sensor module.
[0019] Preferably, the non-intelligent device connection port is a GPIO interface, the GPIO interface is connected with the communication unit and is used for controlling the external non-intelligent device.
[0020] The device upgrading system comprises a device upgrading kit, an Internet of Things cloud platform and a mobile device, the device upgrading kit is connected with the Internet of Things cloud platform for communication, the Internet of Things cloud platform is connected with the mobile device, and a user controls a non-intelligent device through the mobile device or in a voice mode.
[0021] Compared with the prior art, the utility model has the advantages of
[0022] (1) the application adopts special convex circuit board + circular plastic shell design, the microphone is arranged in 120° annular, the speaker and the inner shell form airtight acoustic cavity, and is integrated in small detachable shell, which is beneficial to embedding in the internal space of traditional equipment.
[0023] (2) the communication unit (TG7100C) and the speech recognition unit (US516P6) in the application realize local bidirectional communication connection, and the speech command can directly trigger the analysis and sending of control instructions without passing through the intermediate server or mobile phone.
[0024] (3) the application increases the optical coupling isolation circuit between the communication unit and the speech unit, and carries out power supply partition processing through independent LDO module, and adopts signal line layering technology (analog and digital signal isolation is greater than or equal to 2mm).
[0025] (4) the application reserves SPI interface on the mainboard, supports external temperature, humidity, illumination and other environmental sensor modules, and has upgradeable space. The compact overall structure and shape design integrate the circuit board, the speaker and the microphone in the circular plastic shell, and are connected with the outside through a connecting line. The compact design makes the upgrade kit applicable to various space-limited occasions.
[0026] (5) the application is directed to general non-intelligent equipment, directly outputs control signals, can control lamps, fans, switches and other widely used equipment types, has wider adaptation range and stronger universality. Through the integration of internet of things communication and speech recognition, the remote control of the equipment is realized, and the intelligent degree and user experience of the equipment are significantly improved. BRIEF DESCRIPTION OF DRAWINGS
[0027] Figure 1 It is the layout of the circuit board in the utility model;
[0028] Figure 2 It is the structure schematic view of the equipment upgrade kit in the utility model;
[0029] Figure 3 It is the connection schematic view of the utility model as a whole;
[0030] Figure 4 It is the circuit diagram of the speech unit in the utility model;
[0031] Figure 5 It is the circuit diagram of the communication unit in the utility model;
[0032] Figure 6 It is the circuit connection diagram of the speaker in the utility model;
[0033] Figure 7 The utility model discloses a circuit connection diagram of microphone in the utility model;
[0034] In the drawing: 1, loudspeaker connection mouth; 2, communication unit; 3, non-intelligent device connection mouth; 4, microphone connection mouth; 5, voice unit; 6, upper shell; 7, loudspeaker; 8, circuit board; 9, lower shell. DETAILED DESCRIPTION
[0035] In order to make the personnel of the prior art better understand the technical scheme of the utility model, the technical scheme of the utility model is described clearly and completely below in combination with the drawings of the utility model, based on the embodiment in the application, other similar embodiments that the person skilled in the art obtains without making creative labor should all belong to the protection scope of the application. In addition, the direction words mentioned in the following embodiments, for example "up", "down", "left", "right" and the like are only the direction of the drawing, therefore, the direction words used are used to explain but not limit the utility model.
[0036] The utility model is further described below in combination with the drawings.
[0037] Embodiment 1:
[0038] As shown in the drawing, a device upgrade kit includes: Figures 1-2
[0039] The circular plastic shell is composed of detachable upper shell 6 and lower shell 9, and the lower shell 9 is provided with an integrated installation cavity;
[0040] The special-shaped circuit board is arranged in the lower shell 9, the circuit board 8 is in a convex letter structure, and is fixed on the positioning column of the lower shell 9 through a screw;
[0041] The loudspeaker 7 is arranged on the back of the circuit board 8, and the vibration surface of the loudspeaker 7 forms a sealed acoustic chamber with the inner wall of the lower shell 9;
[0042] The communication unit 2 and the voice unit 5 are integrated on the front of the circuit board 8, wherein:
[0043] The communication unit 2 communicates with the voice unit 5 through the UART interface in a bidirectional mode;
[0044] The non-intelligent device connection mouth 3 is arranged on the edge of the lower shell 9 and is used for connecting external non-intelligent devices.
[0045] The microphone includes three MEMS microphones, is arranged in a 120-degree annular shape on the edge of the lower shell, and the microphone sound inlet hole adopts an inverted conical structure and has a hole diameter of 1.2±0.1 mm.
[0046] Optical isolation circuit is set between voice unit 5 and communication unit 2, and the power supply of the two is separated by independent LDO modules. Analog audio lines and digital signal lines are laid in layers with a spacing of ≥2mm.
[0047] The circuit board 8 is equipped with a communication unit 2, a voice unit 5, a speaker connection port 1, a microphone connection port 4, and a non-smart device connection port 3. The non-smart device is connected to the communication unit 2 in the kit body through the non-smart device connection port 3. The communication unit 2 and the voice unit 5 are connected for bidirectional communication. The voice unit 5 is connected to the microphone and the speaker respectively.
[0048] The circuit board has a raised U-shaped structure and is fixed to the positioning post on the lower shell with screws.
[0049] The front of the circuit board 8 integrates the communication unit 2 and the voice unit 5, and the back of the circuit board 8 is fitted with the speaker 7, and the vibrating surface of the speaker 7 forms a sealed acoustic chamber with the inner wall of the lower shell 9.
[0050] The non-smart device connection port 3 is a GPIO interface, which is connected to the communication unit 2 to control external non-smart devices.
[0051] like Figure 4 As shown, voice unit 5 uses the US516P6 chip, supporting multi-channel MEMS microphone array input. The microphone is input to the dedicated MIC port of the US516P6 via an I2S interface, and its recognition result is output as a command via a UART serial port. The microphone circuit is shown below. Figure 7 As shown, the US516P6 has a built-in DAC function, and its audio output signal (DAC_X) is connected to the audio amplifier module to drive the speaker mounted on the back of the circuit board. The speaker circuitry is as follows... Figure 6 As shown, the voice module also provides a voice mute control terminal (SPK_MUTE), which controls the power amplifier state through the switching transistor to ensure low power consumption operation of the system.
[0052] like Figure 5 As shown, communication unit 2 uses the TG7100C wireless communication chip, externally connected to a 40MHz crystal clock module, and internally connected to the voice unit via a UART serial port to receive and forward voice control data, and interact with the IoT cloud platform via WiFi protocol. The TG7100C module provides multiple GPIO interfaces for controlling external non-smart devices and supports extended sensor SPI input interfaces.
[0053] The protrusion of the circuit board 8 is provided with a honeycomb heat dissipation hole array with a hole diameter of 1.0±0.1mm, and the bottom of the lower shell 9 is provided with a ventilation groove at the corresponding position.
[0054] In operation, the microphone continuously collects environmental sound, the microphone converts the sound wave signal into an electrical signal and transmits the electrical signal to the voice unit, the voice unit identifies a keyword (such as "turn on the light"), sends the keyword to the communication unit 2 through an internal communication interface, the communication unit 2 delivers the keyword to the non-smart device according to the type of the keyword, and the non-smart device directly performs a corresponding action.
[0055] Embodiment 2
[0056] As shown in Figure 3 A device upgrading system includes a device upgrading kit, an Internet of Things cloud platform, and a mobile device, the device upgrading kit is connected to the Internet of Things cloud platform for communication, the Internet of Things cloud platform is connected to the mobile device, and a user controls a non-smart device through the mobile device or voice.
[0057] The non-smart device is connected to the upgrading kit, and then the non-smart device is connected to the user through the upgrading kit. The user can control the device through the mobile device application or voice. The control instruction (such as a switch instruction) sent by the Internet of Things cloud platform or the APP is transmitted to the communication unit through WiFi; the communication unit analyzes the instruction content and determines the type of operation to be performed.
[0058] The above has described the utility model in detail, the above is described, only for the preferred embodiment of the utility model, when cannot limit the utility model implementation range, namely all equivalent changes and modifications made according to the application range should still belong to the utility model coverage.
Claims
1. A device upgrade kit, characterized in that, include: A circular plastic shell consisting of a detachable upper shell (6) and a lower shell (9), wherein the lower shell (9) is provided with an integrated mounting cavity; The irregularly shaped circuit board (8) is located inside the lower shell (9). The circuit board (8) has a convex structure and is fixed to the positioning post of the lower shell (9) by screws. A speaker (7) is attached to the back of the circuit board (8), and the vibrating surface of the speaker (7) forms a sealed acoustic cavity with the inner wall of the lower shell (9). The circuit board (8) integrates a communication unit (2) and a voice unit (5) on its front side, wherein: The communication unit (2) communicates bidirectionally with the voice unit (5) via the UART interface; The voice unit (5) is connected to a microphone and drives a speaker (7) attached to the back of the circuit board (8); The non-smart device connection port (3) located on the edge of the lower shell (9) is used to connect external non-smart devices.
2. The equipment upgrade kit according to claim 1, characterized in that, The microphone includes three MEMS microphones arranged in a 120° ring around the edge of the lower shell (9), and the microphone inlet hole adopts an inverted conical structure with a diameter of 1.2±0.1mm.
3. The equipment upgrade kit according to claim 1, characterized in that, Optical isolation circuit is provided between the voice unit (5) and the communication unit (2), and the power supply of the two is powered by an independent LDO module. The analog audio lines and digital signal lines are laid in layers with a spacing of ≥2mm.
4. The equipment upgrade kit according to claim 1, characterized in that, The communication unit (2) is a WiFi communication unit containing a TG7100C chip, which communicates bidirectionally with the voice unit (5) through a UART interface; the voice unit (5) contains a US516P6 chip, and the voice unit (5) is connected to a microphone through an I2S interface and connected to an audio amplifier module through an audio output signal DAC_X to drive a speaker (7) attached to the back of the circuit board (8).
5. The equipment upgrade kit according to claim 1, characterized in that, The protrusion of the circuit board (8) is provided with a honeycomb heat dissipation hole array with a hole diameter of 1.0±0.1mm, and the bottom of the lower shell (9) is provided with a ventilation groove at the corresponding position.
6. The equipment upgrade kit according to claim 1, characterized in that, The circuit board (8) has a reserved SPI expansion interface to support external sensor modules.
7. The equipment upgrade kit according to claim 1, characterized in that, The non-smart device connection port (3) is a GPIO interface, which is connected to the communication unit (2) for controlling the non-smart device.
8. A device upgrade system, characterized in that, The device upgrade kit includes any one of claims 1-7, and further includes an Internet of Things (IoT) cloud platform and a mobile device. The device upgrade kit is connected and communicates with the IoT cloud platform, and the IoT cloud platform is connected with the mobile device. Users can control and operate the non-smart device through the mobile device or by voice.
Citation Information
Patent Citations
Voice control device supporting intelligent upgrading of traditional sound equipment
CN210516217U