CN219536227U

CN219536227U - Cloud sound box

Info

Publication number: CN219536227U
Application number: CN202223432758.1U
Authority: CN
Inventors: 姜洲; 田俊文; 赵四伟; 周强; 贾甜
Original assignee: Wuhan Tianyu Information Industry Co Ltd
Current assignee: Wuhan Tianyu Information Industry Co Ltd
Priority date: 2022-12-21
Filing date: 2022-12-21
Publication date: 2023-08-15
Anticipated expiration: 2032-12-21

Abstract

The utility model relates to the technical field of mobile payment equipment, and provides a cloud sound box which comprises a face shell, a bottom shell mounted with the face shell, and a loudspeaker arranged in the assembled face shell and the bottom shell, wherein a mounting ring is formed by protruding the bottom shell towards the face of the face shell, the loudspeaker is arranged in the ring of the mounting ring, an NFC coil is sleeved on the mounting ring, a PCBA board is mounted on the face of the bottom shell towards the face shell, the PCBA board is positioned outside the mounting ring, a coil matching module for debugging signal parameters is arranged on the PCBA board, and the coil matching module is electrically connected with the NFC coil. According to the cloud sound box, the installation of the NFC coil can be facilitated by designing the installation ring on the bottom shell, the loudspeaker can be arranged in the installation ring, and the PCBA board is arranged outside the installation ring, so that the installation of other components is not affected.

Description

Cloud sound box

Technical Field

The utility model relates to the technical field of mobile payment equipment, in particular to a cloud loudspeaker box.

Background

With the technical innovation of the payment field of the financial industry, various payment modes enable users to smoothly share safe and convenient payment experience. NFC is a technology for achieving the purpose of data exchange through near field communication, and has the advantages of being high in safety, good in convenience, low in power consumption, low in manufacturing cost and the like. At present, the cloud voice box with NFC function on the market has few functions, most of the cloud voice boxes are complex in structure and high in cost.

Disclosure of Invention

The utility model aims to provide a cloud loudspeaker box which at least can solve part of defects in the prior art.

In order to achieve the above object, the embodiment of the present utility model provides the following technical solutions: the utility model provides a cloud audio amplifier, includes the face-piece, with the drain pan of face-piece installation and locate assembled face-piece with the speaker in the drain pan, in the drain pan orientation bulge forms the collar on the face of face-piece, the speaker is located the intra-annular of collar, the cover is equipped with the NFC coil on the collar, the drain pan orientation install the PCBA board on the face of face-piece, the PCBA board is located outside the collar, just have the coil matching module that is used for debugging signal parameter on the PCBA board, the coil matching module with NFC coil electricity is connected.

Further, the coil matching module includes a tuning circuit for tuning impedance and frequency and an EMC filter for filtering.

Further, the PCBA board is also provided with a communication module for receiving and transmitting data.

Further, the PCBA board is also provided with a safety chip and an NFC chip, the output end of the coil matching module is connected with the input end of the NFC chip, the output end of the NFC chip is connected with the input end of the safety chip, and the output end of the safety chip is electrically connected with the communication module.

Further, the PCBA board is also provided with a power amplification chip, the loudspeaker is electrically connected with the power amplification chip, and the power amplification chip is electrically connected with the communication module.

Further, the PCBA board is also provided with a SIM card interface, an expansion module and a key module, and the SIM card interface, the expansion module and the key module are electrically connected with the communication module.

Further, the display screen module and the Duan Mabing are further included, the display screen module and the Duan Mabing module are arranged on the PCBA board, the display screen is electrically connected with the display screen module, the display screen is installed on the face shell, the display screen module is electrically connected with the communication module, the Duan Mabing is electrically connected with the Duan Ma screen module, and the Duan Mabing module is electrically connected with the communication module.

Further, the NFC coil is welded on a welding spot of the coil matching module of the PCBA board.

Further, the direction from the PCBA plate to the mounting ring is consistent with the length direction of the bottom shell.

Further, the battery pack also comprises a lithium battery, the lithium battery is installed on the face shell, a charging chip for charging the lithium battery is arranged on the PCBA board, and the charging chip is electrically connected with the communication module.

Compared with the prior art, the utility model has the beneficial effects that: a cloud sound box is characterized in that a mounting ring is designed on a bottom shell, NFC coils can be conveniently mounted, a loudspeaker can be mounted in the mounting ring, and a PCBA board is arranged outside the mounting ring and cannot influence the mounting of other components.

Drawings

Fig. 1 is a schematic diagram of a partial circuit on a PCBA board of a cloud speaker according to an embodiment of the present utility model;

fig. 2 is a schematic diagram of a face shell of a cloud speaker according to an embodiment of the present utility model;

fig. 3 is a schematic diagram of a bottom shell of a cloud speaker according to an embodiment of the present utility model;

fig. 4 is an explosion schematic diagram of a cloud speaker according to an embodiment of the present utility model;

in the reference numerals: 1-a face shell; 2-a bottom shell; 20-mounting ring; 3-speakers; a 4-NFC coil; 5-PCBA board; a 50-communication module; 51-a security chip; 52-NFC chip; 53-a power amplifier chip; 54-SIM card interface; 55-an expansion module; 56-a display screen module; 57-segment code screen module; 58-charging the chip; 59-a key module; 60-an antenna thimble; a 6-lithium battery; 7-a display screen; 8-segment code screen; 90-stacking cards; 91-display screen foam; 92-a display screen bracket; 93-section of screen lens; 94-key; 95-foot pad.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, 2, 3 and 4, an embodiment of the present utility model provides a cloud speaker, which includes a panel 1, a bottom shell 2 mounted on the panel 1, and a speaker 3 disposed in the assembled panel 1 and the bottom shell 2, wherein a mounting ring 20 is formed by protruding from a surface of the bottom shell 2 toward the panel 1, the speaker 3 is disposed in the ring of the mounting ring 20, an NFC coil 4 is sleeved on the mounting ring 20, a PCBA board 5 is mounted on a surface of the bottom shell 2 toward the panel 1, the PCBA board 5 is located outside the mounting ring 20, and a coil matching module for debugging signal parameters is disposed on the PCBA board 5, and the coil matching module is electrically connected with the NFC coil 4. In this embodiment, the mounting ring 20 is designed on the bottom shell 2 to facilitate the installation of the NFC coil 4, the speaker 3 may also be installed in the mounting ring 20, and the PCBA board 5 is installed outside the mounting ring 20, so that the installation of other components is not affected. Preferably, the coil matching module includes a tuning circuit for tuning impedance and frequency and an EMC filter for filtering. The NFC coil 4 transmits electromagnetic signals through near field coupling, and filters the electromagnetic signals by using a filter, for example, an LC filter circuit is adopted, and a debug circuit can adjust parameters of a matching circuit by using existing equipment such as a spectrometer. The loudspeaker 3 broadcasts the transaction amount in real time, and the yellow, red and green lamps indicate the running state of the equipment in real time. Preferably, at least two groups of matching capacitors are reserved for convenient debugging, and one group of matching capacitors is empty for convenient debugging. Preferably, the NFC coil 4 is preferably a coil made of multi-strand enameled wire, so that the impedance group can be reduced. The NFC coil 4 is welded on a welding spot of a coil matching module of the PCBA board 5. The direction from the PCBA board 5 to the mounting ring 20 is consistent with the length direction of the bottom case 2, so that other components can be conveniently arranged in the housing.

As an optimization scheme of the embodiment of the present utility model, referring to fig. 1, 2, 3 and 4, the PCBA board 5 further has a communication module 50 for data transceiving communication. In this embodiment, the communication module 50 is of the prior art, and the model of the communication module is ML170-DM2S, so that data of the cloud speaker device can be transmitted to a remote control center through a wireless network, and the data communication can be performed on the cloud speaker device remotely from the control center.

With further optimization of the above-mentioned scheme, referring to fig. 1, 2, 3 and 4, the PCBA board 5 is further provided with a security chip 51 and an NFC chip 52, the output end of the coil matching module is connected to the input end of the NFC chip 52, the output end of the NFC chip 52 is connected to the input end of the security chip 51, and the output end of the security chip 51 is electrically connected to the communication module 50. In this embodiment, the security chip 51 is an existing chip, and the model is MH1902, and the security of the chip is improved by performing encryption and decryption processing on the received data information. NFC chip 52 is also an existing chip that is capable of identifying and exchanging data with compatible devices within a short distance.

Further optimizing the above scheme, referring to fig. 1, 2, 3 and 4, the PCBA board 5 further has a power amplifier chip 53, the speaker 3 is electrically connected to the power amplifier chip 53, and the power amplifier chip 53 is electrically connected to the communication module 50. In this embodiment, the power amplifier chip 53 is also an existing chip, and a PA8157 chip is used.

Further optimizing the above-mentioned scheme, referring to fig. 1, 2, 3 and 4, the PCBA board 5 further has a SIM card interface 54, an extension module 55 and a key module, where the SIM card interface 54, the extension module 55 and the key module are electrically connected with the communication module 50. In this embodiment, there are also a SIM card interface 54, an expansion module 55, and a key module, where the SIM card interface 54 has a SIM card holder and an eSIM chip to provide multiple network access modes for the user, and the expansion module 55 is a 64M FLASH for storing information such as configuration parameters and resource parameters, and the key module preferably configures five keys, such as a reset key, a start key, a volume+, a volume, and a function key, so as to simplify man-machine interaction operation. These are all electrically connected to the communication module 50 via corresponding pins.

Further optimizing the above scheme, please refer to fig. 1, 2, 3 and 4, the cloud speaker further includes a display screen and Duan Mabing, the PCBA board 5 is provided with a display screen module 56 and Duan Mabing module 57, the display screen is electrically connected with the display screen module 56, and the display screen is mounted on the face shell 1, the display screen module 56 is electrically connected with the communication module 50, duan Mabing is electrically connected with the Duan Mabing module 57, and the Duan Mabing module 57 is electrically connected with the communication module 50. In the embodiment, the display screen can dynamically display some information, so that a dynamic two-dimensional code is conveniently provided for customers to pay by scanning the code, the display screen can also be used as an advertisement screen, and the section code screen can display transaction amount in real time. Circuit points corresponding to the modules are also provided on the PCBA board 5 to facilitate electrical connection with the communication module 50.

With further optimization of the above-mentioned scheme, referring to fig. 1, 2, 3 and 4, the cloud speaker further includes a lithium battery 6, the lithium battery 6 is mounted on the face shell 1, a charging chip 58 for charging the lithium battery 6 is disposed on the PCBA board 5, and the charging chip 58 is electrically connected with the communication module 50. In this embodiment, the device is powered by a single lithium battery 6, and when a USB cable is plugged in, the lithium battery 6 is charged by the charging chip 58, the charging chip intelligently detects the battery voltage, and the state of the charging chip is adjusted (charging, stopping charging, and recovering charging) in due course. The charging chip 58 is also of the prior art, and HD7100 can be used.

Further optimizing the above scheme, please refer to fig. 1, 2, 3 and 4, the PCBA board 5 is provided with a WIFI module. The model of the WIFI module may be ESP8285, which is also electrically connected to the communication module through a corresponding pin. In addition, the PCBA board 5 may further have a voltage division acquisition circuit, and is electrically connected to the communication module 50 through the ADC 2. The PCBA board 5 is also provided with an antenna thimble 60, and the antenna thimble 60 is electrically connected with the communication module 50.

As an optimization scheme of the embodiment of the present utility model, referring to fig. 4, the cloud speaker further includes a code board 90, a display foam 91, a display bracket 92, a Duan Mabing lens 93, a key 94 and a foot pad 95, wherein the key 94 is electrically connected to the key module 59, and the key 94 may be a silica gel key. The sign board 90 is attached to the surface 2 of the face shell 1 facing away from the bottom shell, and is provided with a window for displaying by the display screen 7. The display foam 91 and the display bracket 92 are accessories of the display 7, and are used for protecting the display 7. The segment code screen lens 93 is used for protecting the segment code screen 8. The footpad 95 may be a silicone footpad that provides cushioning and friction.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a cloud audio amplifier, includes the face-piece, with the drain pan of face-piece installation and locate assembled face-piece with speaker in the drain pan, its characterized in that: the utility model discloses a NFC coil, including the face shell, the drain pan, the face shell, the speaker, install the PCBA board, the drain pan orientation bulge forms the collar on the face of face shell, the speaker is located in the intra-annular of collar, the cover is equipped with the NFC coil on the collar, the drain pan orientation install the PCBA board on the face of face shell, the PCBA board is located outside the collar, just have the coil matching module that is used for debugging signal parameter on the PCBA board, the coil matching module with NFC coil electricity is connected.

2. A cloud speaker as claimed in claim 1, wherein: the coil matching module comprises a debugging circuit for debugging impedance and frequency and an EMC filter for filtering.

3. A cloud speaker as claimed in claim 1, wherein: the PCBA board is also provided with a communication module for receiving and transmitting data.

4. A cloud speaker as claimed in claim 3, wherein: the PCBA board is also provided with a safety chip and an NFC chip, the output end of the coil matching module is connected with the input end of the NFC chip, the output end of the NFC chip is connected with the input end of the safety chip, and the output end of the safety chip is electrically connected with the communication module.

5. A cloud speaker as claimed in claim 3, wherein: the PCBA board is also provided with a power amplification chip, the loudspeaker is electrically connected with the power amplification chip, and the power amplification chip is electrically connected with the communication module.

6. A cloud speaker as claimed in claim 3, wherein: the PCBA board is also provided with a SIM card interface, an expansion module and a key module, wherein the SIM card interface, the expansion module and the key module are electrically connected with the communication module.

7. A cloud speaker as claimed in claim 3, wherein: still include display screen and Duan Mabing, be equipped with display screen module and Duan Mabing module on the PCBA board, the display screen with the display screen module electricity is connected, just the display screen is installed on the face-piece, the display screen module with the communication module electricity is connected, duan Mabing with Duan Ma screen module electricity is connected, duan Mabing module with the communication module electricity is connected.

8. A cloud speaker as claimed in claim 1, wherein: the NFC coil is welded on a welding spot of the coil matching module of the PCBA board.

9. A cloud speaker as claimed in claim 1, wherein: the direction from the PCBA plate to the mounting ring is consistent with the length direction of the bottom shell.

10. A cloud speaker as claimed in claim 3, wherein: the battery pack also comprises a lithium battery, wherein the lithium battery is installed on the face shell, a charging chip for charging the lithium battery is arranged on the PCBA board, and the charging chip is electrically connected with the communication module.