CN219938347U

CN219938347U - Wireless bench miaow based on bluetooth low energy technique

Info

Publication number: CN219938347U
Application number: CN202321199056.5U
Authority: CN
Inventors: 刘朝阳
Original assignee: Shenzhen Cxd Science & Technology Co ltd
Current assignee: Shenzhen Cxd Science & Technology Co ltd
Priority date: 2023-05-18
Filing date: 2023-05-18
Publication date: 2023-10-31
Anticipated expiration: 2033-05-18

Abstract

The utility model is suitable for the field of communication scheduling, and provides a wireless station microphone based on a low-power consumption Bluetooth technology, which comprises a machine shell, wherein a loudspeaker and a microphone rod are fixed on the machine shell, and the wireless station microphone further comprises: the loudspeaker net is fixedly arranged on the loudspeaker cover on the machine shell; a microphone base is fixed at the tail end of the microphone rod, and a microphone, a microphone sleeve, microphone dustproof cotton and a microphone screen are fixed on the microphone base; the machine shell is provided with a knob switch, a PTT switch and a main board, and the main board is respectively and electrically connected with the knob switch, the PTT switch, the microphone and the loudspeaker. The low-power consumption Bluetooth module and the classical Bluetooth module support the two to work simultaneously, the low-power consumption Bluetooth module in the CSR dual-mode Bluetooth module sends a PTT switch 10 request, a conversation channel of the interphone is opened, and meanwhile, the classical Bluetooth and the interphone Bluetooth component are connected in a two-way mode, and signal connection is established with the interphone while signals are received.

Description

Wireless bench miaow based on bluetooth low energy technique

Technical Field

The utility model belongs to the field of communication scheduling, and particularly relates to a wireless station based on a low-power consumption Bluetooth technology.

Background

In instant messaging applications, two parties or multiple parties need to communicate in real time, and in occasions with high requirements, an external sound box is usually adopted for playing, so that echo is necessarily generated, that is, after one party speaks, the sound is played through the sound box of the other party, and then the sound is collected by the Mic of the other party and transmitted back to the user. If the echo is not processed, the communication quality and the user experience are affected, and more serious vibration is formed, so that howling is generated. The echo cancellation is to cancel the sound played by the local speaker from the sound data collected by the Mic after the Mic collects the sound, so that the sound recorded by the Mic is only the sound uttered by the local user.

The desktop microphone of the same type on the market is generally in a simplex mode (namely, a PTT button is required to be pressed to send out voice, and a button loudspeaker is released to answer); few supporting duplex calls have the problem of echo interference call quality; all of the existing products on the market are inconvenient to use with connecting wires.

Disclosure of Invention

The embodiment of the utility model aims to provide a wireless bench microphone based on a low-power consumption Bluetooth technology, which aims to solve the problem that few desktop microphones of the same type in the market support duplex communication and have echo interference communication quality.

The utility model is realized in such a way that the wireless bench miaow based on the low-power consumption Bluetooth technology comprises a machine shell, wherein a loudspeaker and a miaow rod are fixed on the machine shell, and the wireless bench miaow further comprises: the loudspeaker net is fixedly arranged on the loudspeaker cover on the machine shell; a microphone base is fixed at the tail end of the microphone rod, and a microphone, a microphone sleeve, microphone dustproof cotton and a microphone screen are fixed on the microphone base; the machine shell is provided with a knob switch, a PTT switch and a main board, and the main board is respectively and electrically connected with the knob switch, the PTT switch, the microphone and the loudspeaker; the main board is connected with a DSP voice processing chip, and the DSP voice processing chip is used for suppressing noise and eliminating echo; the main board is also connected with a CSR dual-mode Bluetooth module, a status indicator lamp, a lithium battery, a charging interface and a 3.5MM audio interface; the CSR dual-mode Bluetooth module comprises a low-power-consumption Bluetooth BLE module and a classical Bluetooth module.

According to a further technical scheme, the microphone adopts a unidirectional microphone, and a decorative ring is fixed on the microphone base.

Further technical scheme, the loudspeaker adopts square loudspeaker.

According to a further technical scheme, the included angle between the sound output of the loudspeaker and the horizontal plane is 80 degrees.

According to a further technical scheme, a hardware base and a silica gel pad are fixed at the bottom of the machine shell.

According to the wireless microphone based on the low-power consumption Bluetooth technology, the microphone 3 adopts the unidirectional MiC to be matched with the structure from top to bottom, so that the wireless microphone is convenient to assemble, and the performance of the unidirectional MiC can be greatly exerted; the horn 12 adopts a square horn, and the assembly mode from top to bottom is a rubberized matched structure mode, so that the assembly is simple and convenient, the sealing effect is good, and the performance of the horn 12 can be greatly exerted; the excellent structural design is matched with each other, and as the unidirectional microphone can only pick up sound in one direction and has different phase with the loudspeaker, the mutual interference between the loudspeaker and the microphone is greatly reduced; the DSP voice processing chip can inhibit noise and eliminate echo, improve communication voice quality and meet various environments. The multifunctional key can realize the function meeting the requirements of the client environment. The use of a conventional simulation machine and a PC terminal is satisfied; means to support multiple connected devices (bluetooth connection, TYPE-C connection); support and pass through bluetooth connection with android mobile phone, apple mobile phone. While supporting a wired connection computer.

Drawings

Fig. 1 is a schematic diagram of a wireless station based on a bluetooth low energy technology according to an embodiment of the present utility model;

fig. 2 is an exploded view of fig. 1 provided in an embodiment of the present utility model.

In the accompanying drawings: microphone screen panel 1, microphone dustproof cotton 2, microphone 3, microphone cover 4, decorative ring 5, microphone base 6, miaow pole 7, knob switch 8, loudspeaker net 9, PTT switch 10, machine shell 11, loudspeaker 12, mainboard 13, hardware base 14, silica gel pad 15.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Specific implementations of the utility model are described in detail below in connection with specific embodiments.

As shown in fig. 1 and fig. 2, a wireless station based on bluetooth low energy technology according to an embodiment of the present utility model includes a machine housing 11, where a speaker 12 and a microphone rod 7 are fixed on the machine housing 11, and further includes: the horn net 9 is arranged on the machine shell 11, and the horn net 9 is fixed on the horn 12; a microphone base 6 is fixed at the tail end of the microphone rod 7, and a microphone 3, a microphone sleeve 4, microphone dustproof cotton 2 and a microphone screen 1 are fixed on the microphone base 6; the machine shell 11 is provided with a knob switch 8, a PTT switch 10 and a main board 13, and the main board 13 is respectively and electrically connected with the knob switch 8, the PTT switch 10, the microphone 3 and the loudspeaker 12; the main board 13 is connected with a DSP voice processing chip, and the DSP voice processing chip is used for suppressing noise and eliminating echo; the main board 13 is also connected with a CSR dual-mode Bluetooth module, a status indicator lamp, a lithium battery, a charging interface and a 3.5MM audio interface; the CSR dual-mode Bluetooth module comprises a low-power-consumption Bluetooth BLE module and a classical Bluetooth module.

In the embodiment of the utility model, the low-power-consumption Bluetooth BLE module and the classical Bluetooth module support the two modules to work simultaneously, the low-power-consumption BLE module in the CSR dual-mode Bluetooth module sends a PTT switch 10 request, a communication channel of the interphone is opened, and meanwhile, the classical Bluetooth and the interphone Bluetooth component establish two-way connection of an SPK signal and an MIC signal, and establish signal connection with the interphone while receiving the signals; the long working time can be ensured without additionally arranging a switch, the trouble of starting up, shutting down and waiting for connection is avoided, and the use is very convenient; through structural design special mode change over switch, the user can select bluetooth connection or TYPE-C to connect according to the demand.

As shown in fig. 1 and 2, as a preferred embodiment of the present utility model, the microphone 3 is a unidirectional microphone, and the microphone base 6 is fixed with a decorative ring 5.

In the embodiment of the utility model, the unidirectional microphone can effectively filter sound sources and noise except the front face, and only pick up the sound sources from the front face of the microphone, so that the microphone has good shielding property, clear voice and strong anti-interference capability, and the microphone structure is structurally from top to bottom, so that the advantages of the unidirectional microphone can be exerted, the assembly is simple and convenient, and the appearance is attractive.

As shown in fig. 1 and 2, the horn 12 is a square horn as a preferred embodiment of the present utility model.

In the embodiment of the utility model, in order to match with the attractive space, structure and appearance, the horn 12 is a square horn, the upper surface of the machine shell 11 is stuck with 3M back glue, the horn net 9 is put into a groove to be tightly stuck with the back glue, the horn net 9, the 3M back glue and the machine shell 11 are pressed and fastened by a pressing jig, the lower surface of the machine shell 11 is stuck with the 3M back glue of the horn, the horn 12 is pressed, the back sound cavity of the horn 12 is stuck with sealing glue, and the front sound cavity and the back sound cavity are isolated.

As shown in fig. 1 and 2, as a preferred embodiment of the present utility model, the horn 12 emits sound at an angle of 80 ° to the horizontal.

In the embodiment of the utility model, the included angle between the sound output of the loudspeaker 12 and the horizontal plane is 80 degrees, so that the pickup of personnel is facilitated, the use scene is met, the interference to the microphone 3 can be effectively avoided, the unidirectional microphone can only pick up the front sound source, and the mutual interference is greatly reduced.

As shown in fig. 1 and 2, as a preferred embodiment of the present utility model, a hardware base 14 and a silicone pad 15 are fixed to the bottom of the machine housing 11.

In the embodiment of the present utility model, the vibration of the apparatus is reduced by providing the silica gel pad 15.

In the embodiment of the utility model, the wireless microphone 3 adopts the unidirectional MiC structure which is matched from top to bottom, so that the wireless microphone is convenient to assemble and can greatly exert the unidirectional MiC performance; the horn 12 adopts a square horn, and the assembly mode from top to bottom is a rubberized matched structure mode, so that the assembly is simple and convenient, the sealing effect is good, and the performance of the horn 12 can be greatly exerted; the excellent structural design is matched with each other, and as the unidirectional microphone can only pick up sound in one direction and has different phase with the loudspeaker, the mutual interference between the loudspeaker and the microphone is greatly reduced; the DSP voice processing chip can inhibit noise and eliminate echo, improve communication voice quality and meet various environments. The multifunctional key can realize the function meeting the requirements of the client environment. The use of a conventional simulation machine and a PC terminal is satisfied; means to support multiple connected devices (bluetooth connection, TYPE-C connection); support and pass through bluetooth connection with android mobile phone, apple mobile phone. While supporting a wired connection computer.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. The utility model provides a wireless platform miaow based on bluetooth low energy technique, includes the machine shell, be fixed with loudspeaker and miaow pole on the machine shell, its characterized in that still includes:

the loudspeaker net is fixed at the loudspeaker position on the machine shell;

a microphone base is fixed at the tail end of the microphone rod, and a microphone, a microphone sleeve, microphone dustproof cotton and a microphone screen are fixed on the microphone base;

the machine shell is provided with a knob switch, a PTT switch and a main board, and the main board is respectively and electrically connected with the knob switch, the PTT switch, the microphone and the loudspeaker;

the main board is connected with a DSP voice processing chip, and the DSP voice processing chip is used for suppressing noise and eliminating echo;

the main board is also connected with a CSR dual-mode Bluetooth module, a status indicator lamp, a lithium battery, a charging interface and a 3.5MM audio interface;

the CSR dual-mode Bluetooth module comprises a low-power-consumption Bluetooth BLE module and a classical Bluetooth module.

2. The bluetooth low energy based wireless station of claim 1, wherein the microphone is a unidirectional microphone and a decorative ring is fixed to the microphone base.

3. The bluetooth low energy based wireless station of claim 1, wherein the horn is a square horn.

4. The bluetooth low energy based wireless station of claim 1, wherein the horn sound is at an angle of 80 ° to the horizontal.

5. The bluetooth low energy based wireless station of claim 1, wherein a hardware base and a silicone pad are secured to the bottom of the machine housing.