CN210225763U

CN210225763U - Bluetooth remote controller

Info

Publication number: CN210225763U
Application number: CN201920870614.3U
Authority: CN
Inventors: Dejun Zeng; 曾德钧
Original assignee: Shenzhen Airsmart Technology Co Ltd
Current assignee: Shenzhen Airsmart Technology Co Ltd
Priority date: 2019-06-11
Filing date: 2019-06-11
Publication date: 2020-03-31
Anticipated expiration: 2029-06-11

Abstract

A Bluetooth remote controller comprises a shell, a built-in battery, a circuit board, a Bluetooth main control chip, a volume rotary encoder, a coding switch or a key and a rebounding rotary toggle switch, a coding switch or a key, wherein the built-in battery and the circuit board are arranged in the shell, the Bluetooth main control chip is arranged on the circuit board, the volume rotary encoder, the coding switch or the key are connected with the Bluetooth main control chip, and the volume rotary encoder, the coding switch or the key are arranged on the shell and are respectively driven to rotate the volume rotary encoder, the. Implement the utility model provides a bluetooth remote controller can only control the audio playback to current bluetooth remote controller and can not control the conversation, use the defect of intelligent voice search, not influencing music broadcast and conversation, under the condition of intelligent voice search, realizes the multimedia playing control to bluetooth earphone or bluetooth audio player, also can control, use intelligent voice search function etc. to the conversation simultaneously. Compared with other controllers, the controller is more convenient to use and more comprehensive in function.

Description

Bluetooth remote controller

Technical Field

The utility model relates to an electronic technology, more specifically say, relate to one kind and carry out audio playback control to bluetooth headset or other bluetooth audio equipment through intelligent terminal, answer/hang up/dial back/talk around silent call, the portable intelligent bluetooth remote controller of intelligent voice search.

Background

After the bluetooth headset is connected with the smart phone, the bluetooth headset can only do some simple operations due to technical limitations, such as last music and next music which can be used for answering a call or playing audio, and at the moment, the volume control of the bluetooth headset is generally realized through a button on the smart phone or an APP playing audio; when being equipped with the bluetooth remote controller for bluetooth headset, during the broadcast audio frequency, current bluetooth remote controller only possesses the simple control function of multi-media: play/pause, music up and down, volume control and the like, and when the device is used for a telephone, the functions of answering, hanging up, muting in conversation and pulling back cannot be realized. In the daily use process, the AI intelligent voice search function conforming to the development of the era can not be met. The defects of the prior art are as follows: the existing Bluetooth remote controller only realizes a simple multimedia control function, can only operate on a mobile phone for the operation of a telephone and the operation of AI intelligent voice search, and is very inconvenient in the daily use process. The utility model discloses an intelligence bluetooth remote controller when smart mobile phone uses bluetooth headset or bluetooth audio equipment, has accomplished daily use and no longer has realized controlling through the cell-phone, if: the incoming call can be answered, hung up, muted in the call process and returned. Meanwhile, in the daily use process, the intelligent voice searching function can be realized by simply pressing the knob, and the convenient control feeling is brought to the equipment which must use the mobile phone to control the earphone or other audios.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem lies in that, a smart bluetooth remote controller is provided, cooperation smart mobile phone can control broadcast audio frequency on bluetooth headset, also can control to carry out telephone operation on bluetooth headset, can control simultaneously and carry out intelligent pronunciation search function on bluetooth headset to under the prerequisite of not operating smart mobile phone and bluetooth headset, realize audio frequency broadcast control, telephone operation or intelligent pronunciation search. The to-be-solved problem of the other aspect of the utility model is to provide an intelligent bluetooth remote controller convenient to carry, the operation of being convenient for, be convenient for charge. The to-be-solved problem of the other hand of the utility model is to provide a bluetooth remote controller that can carry out intelligent voice search to the broadcast content.

The utility model discloses above-mentioned technical problem solves like this, constructs an intelligent bluetooth remote controller, including shell, built-in circuit board and battery, be equipped with bluetooth main control chip (U1) on the circuit board and with the volume rotary encoder (S2) that the key was pressed in the area that bluetooth main control chip (U1) electricity was connected and the rotary switch that can kick-back that the key was pressed in the area, be equipped with the connection on the shell the volume knob of volume rotary encoder (S2) pivot and the channel knob of the rotary switch (S3) pivot that can kick-back that the key was pressed in the connecting band.

The utility model discloses in the above-mentioned bluetooth remote controller, bluetooth master control chip includes bus AHB and is used for being connected to the peripheral bus APB of bluetooth system core through AHB2APB with peripheral equipment, there is core processor ARM-Cortex on the AHB bus, bluetooth agreement relevant interface BT MAC PHY, and data storage device SRAM, BOOT ROM, FLASH and DMA1 etc., there are general control protocol interface I2C on the peripheral bus APB, SPI, GPIO and UART, the TIMER who provides external clock data, data transmission interface PCM and PWM, test interface CMU, power supply interface GPADC, digit and analog signal's converting circuit CODEC and unusual reset TIMER WDT.

The utility model discloses in the above-mentioned intelligent bluetooth remote controller, the channel knob includes that central authorities lead the light part, the semi-transparent decorative layer of periphery and reside in the light guide part and the semi-transparent light-proof layer between the device layer of periphery.

The utility model discloses in the above-mentioned intelligent bluetooth remote controller, be provided with the emitting diode who is used for instructing bluetooth connection status or charged state on the circuit board.

The utility model discloses in the above-mentioned intelligent bluetooth remote controller, still include charging port and dress charging circuit (U2) on the circuit board, charging circuit (U2) with built-in battery and charging port are connected.

The utility model discloses in the above-mentioned intelligent bluetooth remote controller, the shell includes epitheca and inferior valve, the volume knob reaches the channel knob sets up the epitheca.

The utility model discloses in the above-mentioned intelligent bluetooth remote controller, the inferior valve is close to both ends inner wall and is provided with respectively and is used for steadily adsorbing bluetooth remote controller in the first magnet and the second magnet of mechanism of charging.

The utility model discloses in the above-mentioned intelligent bluetooth remote controller, the shell is close to the terminal surface of volume knob still is provided with the couple device, the inferior valve surface of shell is provided with the back splint device.

The utility model discloses in the above-mentioned intelligent bluetooth remote controller, still include a microphone that is used for receiving intelligent search pronunciation in the shell, the microphone with bluetooth main control chip electricity is connected, volume rotary encoder (S2) that the area was pressed the key makes when being pressed the microphone received signal sends bluetooth main control chip carries out pronunciation intelligent search and handles.

The utility model discloses in the above-mentioned intelligent bluetooth remote controller, volume rotary encoder (S2) that the area was pressed the key can replace and realize for at least one coding switch or button, perhaps, the area is pressed the rotary switch (S3) that can kick-back of key and can replace and realize for at least one coding switch or button.

Implement the utility model provides an intelligence bluetooth remote controller can only control the defect that the audio playback can not control the conversation to current intelligence bluetooth remote controller, through analysis bluetooth relevant agreement and give up to it, under the circumstances that does not influence music broadcast and conversation pronunciation, realizes the multimedia playback control to bluetooth headset or bluetooth audio player (), controls the conversation and can also realize intelligent voice search function simultaneously. The utility model discloses bluetooth remote controller passes through HFP, SPP, BLE, HID agreement, realizes the function: bluetooth headset, bluetooth music equipment's multimedia control: volume, play, change song, switch functions such as channel, telephone function: answering, rejecting, muting in the conversation process, calling back and the like and realizing one-key intelligent voice search function through simple physical control the utility model discloses can adopt the screw to connect volume knob 40 and channel knob (50) to the volume rotary encoder with press key and the resettable rotary switch with press key respectively, can conveniently realize various audio play function control, conversation control or intelligent voice search; the utility model adopts the channel knob with the light-transmitting and light-isolating structure, so that the light reflecting the Bluetooth connection state and the charging state can flash according to the required light-transmitting gap, thereby improving the aesthetic quality of the product and realizing lower cost; the utility model is provided with a charging circuit and a charging port, so that the intelligent Bluetooth remote controller can be used for a long time without replacing the battery; the magnets are arranged on the inner walls of the two ends in the shell of the utility model, so that the corresponding charging device can be stably and reliably placed; the utility model discloses the shell is equipped with a microphone and is connected with the bluetooth chip electricity for pronunciation awaken up remote controller and speech recognition remote control command and carry out the pronunciation search to the broadcast content promptly. The utility model discloses a terminal surface that the shell is close to the volume knob still is provided with the couple device, can be used for tying the rope and be convenient for hang and carry, and the inferior valve surface of shell is provided with the back splint device, conveniently fixes the remote controller on other article, uses and the mode of carrying is nimble various. In the utility model, the volume knob controls the volume rotary encoder with the press key, which can rotate 360 degrees, when the volume is increased when the volume is rotated clockwise, and when the volume is decreased when the volume is rotated anticlockwise, the volume can play the role of pause/play function key when the volume is pressed for a short time, if the volume is pressed for a long time, the microphone can be awakened to realize the intelligent voice search function; when the intelligent mobile phone is connected in a call, the intelligent mobile phone rings/vibrates, at the moment, the Bluetooth earphone can be controlled to answer the call by pressing once, and the intelligent mobile phone is hung up by pressing once after answering; through software setting, the mobile phone can be muted when the volume knob is pressed for 3 seconds in a call, the voice of the other party can be heard, the call muting can be released when the volume knob is pressed for a long time again, the call callback function is realized when the volume knob is pressed for two times in a short time on a normal interface of the mobile phone, and the callback phone records the latest incoming call or outgoing call.

The utility model discloses a channel knob can control the resettable rotary switch of area pressure key, can clockwise rotation, can anticlockwise rotation, through software, can define its function as follows, clockwise rotation once and kick-back, its operation is to select next song or self-define in appointed APP as selecting next channel; clockwise rotation remains un-rebounded, the operation of which is customizable as fast forward within a given App; rotating once anticlockwise and rebounding, wherein the operation is that the user-defined channel in the App is selected; pressing a resettable rotary switch with a pressing key twice for a short time, wherein the operation of the resettable rotary switch can be defined as a previous song in a current channel in a designated App by self; the anticlockwise rotation keeps the spring-back, and the operation is fast backward; clockwise rotating for 1 time and rebounding, anticlockwise rotating for 1 time and rebounding next music APP, and operating the next music APP on the previous music APP; the camera function is started by long pressing the middle button of the knob, and a plurality of photographing video software can be supported; the middle key is pressed for 3 times to lock the screen. Compare other controllers, the utility model discloses a bluetooth remote controller can cooperate the TWS or the bluetooth audio playback terminal equipment of any model, makes it and smart mobile phone together, and it is more convenient to use, and the function is more comprehensive.

Drawings

Fig. 1 is a schematic diagram of connection between an embodiment of the bluetooth remote controller of the present invention and a smart phone and a bluetooth headset;

fig. 2 is a logic block diagram of a bluetooth master control chip in an embodiment of the bluetooth remote controller of the present invention;

fig. 3-9 constitute schematic circuit diagrams of embodiments of the bluetooth remote controller of the present invention;

fig. 10 is a schematic structural diagram of an embodiment of the bluetooth remote controller of the utility model;

fig. 11 is a schematic sectional view of the bluetooth remote controller of the embodiment of the present invention;

fig. 12 is an exploded view of an embodiment of the bluetooth remote controller of the present invention;

fig. 13 is a schematic structural diagram of a channel knob in an embodiment of the bluetooth remote controller of the present invention;

fig. 14 is a schematic diagram illustrating the working flow of the bluetooth remote controller of the present invention.

Detailed Description

The numbers in the figures are collectively illustrated as follows: 10: a housing; 11: an upper shell; 12: a lower case; 20: a circuit board; 30: a battery; 40: a volume knob; 50: a channel knob; 51: a central light guide portion; 52: a light-blocking layer; 53: a semi-permeable decorative layer is arranged on the periphery of the base; 60: a charging port; 71: a first magnet; 72: a second magnet; 81: a hooking device; 82: back clip device, 100: a Bluetooth remote controller; 200: a smart phone; 300: a Bluetooth headset; u1: a Bluetooth master control chip; u2: a charging circuit; s2: volume rotary encoder with pressing key; s3: a resettable rotary switch with a push key; D1-D3: a light emitting diode.

In fig. 1 the embodiment of the bluetooth remote controller of the present invention includes a bluetooth remote controller 100, a smart phone 200 and a bluetooth earphone 300, wherein the bluetooth remote controller 100 can perform bluetooth connection with the smart phone 200. Wherein, the bluetooth remote controller 100 of the utility model uses a dual-mode bluetooth main control chip, which can utilize the existing protocol to control ingeniously without affecting the voice or music; the smart phone 200, of which the call state and the multimedia play state can be directly controlled externally; the bluetooth headset 300 (wireless, wired), may also be other bluetooth communication music devices and may be bluetooth connected to the smartphone 200.

The utility model discloses bluetooth remote controller belongs to an information HID (Human Interface Devices's abbreviation) equipment, and this kind of equipment generally indicates equipment direct and Human interaction, like mouse, keyboard etc. generally interacts through the USB Interface. By utilizing the matching of the equipment and the smart phone, people can convert the operation of knob or key or other touch control into a control command which can be identified by the smart phone system, so as to control the Bluetooth earphone or other Bluetooth audio playing terminals to realize multimedia playing function control, telephone operation or intelligent voice search. When the utility model discloses a bluetooth remote controller 100 passes through the bluetooth agreement with smart mobile phone 200 and is connected the success back, and bluetooth remote controller 100 can control the realization of cell-phone conversation function, multimedia play function and intelligent pronunciation search function on bluetooth headset 300 through smart mobile phone 200, lets bluetooth headset 300 carry out the various control command that bluetooth remote controller 100 sent promptly. In the using process, the bluetooth remote controller 100 does not rob off the audio signals of the smart phone 200 and the bluetooth headset 300 (or other bluetooth music devices), call voice and intelligent voice search are only provided with control functions, and only control commands generated by interaction with the bluetooth remote controller are sent to the bluetooth headset for execution.

Fig. 2 is a logic block diagram of a bluetooth master control chip in an embodiment of the bluetooth remote controller of the present invention, as shown, including; the Bluetooth main control chip comprises two buses AHB and a peripheral bus APB for connecting some peripheral devices to a Bluetooth system core through the AHB2APB, wherein the AHB bus is provided with a core processor ARM-Cortex, a Bluetooth protocol related interface BT MACPHY, a data storage device SRAM, a BOOT ROM, a FLASH, a DMA1 and the like, and the peripheral bus APB is provided with a general control protocol interface I2C/SPI/GPIO/UART, a TIMER for providing external clock data, a data transmission interface PCM and PWM, a test interface CMU, a power supply interface GPADC, a digital-analog signal conversion circuit CODEC and an abnormal reset TIMER WDT. An example of a bluetooth master chip is an integrated circuit model 6926.

In the circuit schematic diagram of the bluetooth remote controller shown in fig. 3-9, the bluetooth remote controller comprises a volume knob encoder S2 with a press key for controlling the audio frequency of the bluetooth headset, and multiple functions such as audio playing volume, a resettable rotary switch S3 with a press key for realizing multiple functions such as channel/program selection, a bluetooth main control chip U1 (fig. 3) for realizing the functions of the whole bluetooth remote controller, a charging IC U2 for controlling the charging of a built-in battery, a microphone MIC for accessing audio input to the bluetooth main control chip U1, light emitting diodes D1-D3 for displaying the bluetooth connection state or charging state, triodes Q1-Q2 for controlling the light emission of the LED, and triodes Q3-Q4 (fig. 5, fig. 6) for controlling the power supply.

The working principle of the circuit of the embodiment is briefly described as follows:

fig. 3 shows that the bluetooth master control chip U1 can implement bluetooth connection with the smart phone 200 through a bluetooth communication protocol; specifically, when the encoder S2 is rotated counterclockwise/clockwise by the knob, waveforms with different phases are generated on two pins EN1_ a/EN1_ B of the encoder S2, and after being identified by the U1 main control program, a volume increase/decrease instruction is issued to the smart terminal. Pressing S2 generates a low on EN1_ SW, which is recognized by the U1 host program and issues a control command. In particular, there will be different commands in different states: when a call comes, an answering command can be sent, a hang-up command can be sent in a call, a mute command can be sent out on time for a long time in the call process, a call callback command can be sent out on time for two times, and a microphone can be awakened on time for a specified APP to realize an intelligent voice search function. A play/pause command is issued while music is being played. In fig. 9, S3 is a resettable rotary switch with a pressed key, which issues a kick-up/kick-down command during a short toggle, and issues a fast forward/fast reverse command after the toggle is held 3S and not reset. Specifically, the device rotates once clockwise and rebounds, and the operation is to designate the App to select the next channel or the next song; the operation of pressing a resettable rotary switch with a pressing key for a short time is to designate the next song function in the channel of App, the clockwise rotation is kept without rebounding, and the operation is to designate the fast forward of App; rotating once anticlockwise and rebounding, wherein the operation is that the App is appointed to select a last channel; pressing a resettable rotary switch with a pressing key twice for a short time, wherein the operation is to designate the last song in the current channel of App; the anticlockwise rotation keeps the spring-back, and the operation is fast backward; clockwise rotating for 1 time and rebounding, anticlockwise rotating for 1 time and rebounding next music APP, and operating the next music APP on the previous music APP; the camera function is started by long pressing the middle button of the knob, and a plurality of photographing video software can be supported; the middle key is pressed for 3 times to lock the screen. Compared with other controllers, the controller has simpler operation and more complete functions.

The utility model discloses a bimodulus bluetooth chip, this kind of chip indicate that the chip contains two kinds of functions of traditional bluetooth + low-power consumption Bluetooth (BLE). The dual-mode Bluetooth chip can transmit audio signals and control signals in a low-power-consumption mode. In the embodiment of the bluetooth remote control 100 of the present invention, the HFP is a part of the conventional bluetooth protocol, and commands such as pause/play-back are transmitted through BLE mode, so that only dual-mode bluetooth chip can be used. The bluetooth remote controller 100 of the present embodiment includes a bluetooth chip AC6926 (fig. 3) and a charging chip WS4508E (fig. 6), and the AC6926 can complete the main functions of the bluetooth remote controller through programming.

In this embodiment, the encoder contact point portion is provided separately on one small board. CY1 provides a 24M clock for AC6926 to operate. The R4/R5 forms a battery level detection circuit (FIG. 4) for detecting battery level and providing an alarm basis. USB1 is the charging port of the MICRO USB interface. The DP/DM pin is used to upgrade the firmware of AC 6926. ANT1 is a patch bluetooth antenna for receiving and transmitting bluetooth 2.4G signals.

In the circuit diagram of FIG. 7, the LEDs D2/D3/D4 can display the Bluetooth connection status or the battery charging status. MK1 in the circuit diagram of fig. 3 is a microphone MIC for converting voice into an electrical signal to be input to a U1 chip for processing, which may be used for waking up a bluetooth remote controller or inputting and recognizing a voice command, for example. In the charging and control portion of the circuit of fig. 2, J1 is a charging contact for charging the lithium battery 30 via the charging ic U2. The triode Q3/Q4 is a power supply control part, and Q3 is disconnected during charging, so that power is not supplied to the Bluetooth chip U1. When the charging is not carried out, the Q3 is turned on, power is supplied to the Bluetooth chip U1, and the Bluetooth chip U1 starts to work.

In the embodiment of the present invention, the bluetooth remote controller 100 is connected to the smartphone 200 through the bluetooth protocol supporting the HFP protocol, but does not use an SCO (abbreviation of Synchronous Connection interface) link. The SCO link is used to transmit data communication with high time requirement, such as voice during telephone call, and here, the SCO link is disabled to ensure that the bluetooth remote control 100 only sends control command without allowing voice data to intervene in the telephone call. The utility model discloses in, bluetooth remote controller only is used for control, does not own possess the conversation function, if let bluetooth remote controller 100 remain the function of SCO link simultaneously, can reach bluetooth remote controller 100 with smart mobile phone 200 or the conversation pronunciation of another bluetooth equipment of being connected with smart mobile phone, leads to smart mobile phone 200 or another bluetooth equipment can't normally produce the pronunciation. The utility model discloses an in bluetooth remote controller 100, because the bluetooth protocol that adopts supports HFP protocol (HFP is the abbreviation of hand Free profile), bluetooth Hands-Free protocol promptly belongs to a subset of traditional bluetooth protocol stack, can let equipment such as bluetooth headset 300 realize the long-range audio input/output mechanism as audio gateway to can provide a plurality of remote control functions. Due to the adoption of the Bluetooth protocol supporting the HFP protocol, the telephone function of controlling the mobile phone can be provided.

In the embodiment of the present invention, the bluetooth remote controller 100 disables the A2DP protocol. The multimedia control of the bluetooth headset 300 may be controlled by the bluetooth remote control 100 through the bluetooth HID protocol. Similarly, the multimedia control of the bluetooth headset 300 may also be controlled by the bluetooth remote controller 100 through the BLE HID protocol. Here, by prohibiting the A2DP protocol, it is ensured that the bluetooth remote controller 100 is only used for control and does not have a function of playing music; the acronym of A2DP english called "Advanced Audio distribution profile" is mainly used to transmit Advanced Audio signals such as music, and the A2DP protocol is also part of the bluetooth protocol stack, and the protocol is prohibited from being realized by calling related macros in program codes.

The utility model discloses in the above-mentioned embodiment, through the selection or rejection of the agreement in the selection or rejection especially bluetooth protocol stack to bluetooth agreement, reach the conversation control function and the intelligent pronunciation search function of bluetooth remote controller to the cell-phone. The bluetooth remote controller is exactly the utility model discloses most main contribution to the direct control and the intelligent pronunciation search function of cell-phone conversation function.

The specific implementation is that a microphone capable of collecting sound is arranged in the shell 10 and used for receiving intelligent search voice, the microphone is directly or indirectly electrically connected with a Bluetooth main control chip on a circuit board, and when a volume rotary encoder (S2) with a pressing key is pressed, the microphone receives a language signal and sends the language signal to the Bluetooth main control chip for voice processing, namely voice recognition and intelligent search processing of playing contents are carried out according to the language signal. The microphone here can also be used for voice wake-up of the remote control.

In the schematic diagrams of the embodiments of the bluetooth remote controller shown in fig. 10-12, the housing 10 includes an upper shell 11 and a lower shell 12, the circuit board 20 is installed between the upper shell 11 and the lower shell 12, and the upper surface of the housing 10 has a channel knob 50 with a larger diameter and a volume knob 40 with a smaller diameter. The end face of the shell 10 close to the volume knob 40 is provided with a hook device 81 for hanging a tether, the lower shell surface of the shell 10 is provided with a back clip device 82 for clamping the shell 10 of the bluetooth remote controller on other articles, and the design provides various and flexible holding and carrying modes of the bluetooth remote controller. The inner walls of the lower case 12 near both ends are respectively provided with a first magnet 71 and a second magnet 72 for stably adsorbing the bluetooth remote controller to the charging mechanism, facilitating reliable adsorption of the bluetooth remote controller to the charger.

Fig. 13 is a schematic structural diagram of a channel knob in an embodiment of the bluetooth remote controller of the present invention; the channel knob 50 includes a central light guide 51, a peripheral semi-transparent decorative layer 53, and a light-blocking layer 52 interposed between the light guide 51 and the peripheral semi-transparent decorative layer. Because the circuit board 20 is provided with the light emitting diode for indicating the bluetooth connection state or the charging state, the light generated by the light emitting diode can be emitted under the surrounding of the light-isolating layer 52 through the central light guide part 51, and at the moment, a nameplate can be arranged on the end surface, so that the light can be emitted from a light gap formed between the nameplate and the end surface of the light guide part, thereby providing aesthetic feeling for people and embodying the product delicacy through the delicacy of the light.

In the working flow of the bluetooth remote controller shown in fig. 14, firstly, the program is started, the keys are scanned, whether the keys are pressed or not is detected, if no keys are pressed, 2 seconds are waited for to be finished, if the keys are pressed, whether the call is made or not is judged, if the call is a telephone call, HFP is sent, 2 seconds are waited for to be finished; and if the call is not a telephone call, carrying out HID/HOGP operation, sending a Bluetooth command, waiting for 2 seconds, and ending.

It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are considered to be within the scope of the invention as defined by the following claims.

Claims

1. The utility model provides a bluetooth remote controller, includes shell (10), built-in circuit board (20) and battery (30), its characterized in that, be equipped with bluetooth master control chip on circuit board (20) and with the volume rotary encoder (S2) of key is pressed in the area that bluetooth master control chip electricity is connected and the rotary switch (S3) that can kick-back of key is pressed in the area, be equipped with on shell (10) and connect volume knob (40) of volume rotary encoder (S2) pivot and channel knob (50) of rotary switch (S3) pivot that can kick-back of key is pressed in the area.

2. The bluetooth remote controller according to claim 1, wherein the bluetooth master control chip comprises a bus AHB and a peripheral bus APB for connecting peripheral devices to a core of the bluetooth system through the AHB2APB, the AHB bus has a core processor ARM-Cortex, a bluetooth protocol related interface BT MAC PHY, and data storage devices SRAM, BOOT ROM, FLASH, and DMA1, the peripheral bus APB has a general control protocol interface I2C, SPI, GPIO, and UART, a TIMER for providing external clock data, data transmission interfaces PCM and PWM, a test interface CMU, a power supply interface GPADC, a digital-to-analog signal conversion circuit CODEC, and an exception reset TIMER WDT.

3. The bluetooth remote control according to claim 2, wherein the channel knob (50) comprises a central light guide (51), a peripheral semi-transparent decorative layer (53), and a light barrier layer (52) interposed between the central light guide (51) and the peripheral semi-transparent decorative layer (53).

4. The bluetooth remote control according to claim 3, characterized in that the circuit board (20) is provided with light emitting diodes for indicating the bluetooth connection state or charging state.

5. The Bluetooth remote controller according to any one of claims 1-4, further comprising a charging port (60) and a charging circuit (U2) mounted on said circuit board (20), said charging circuit (U2) being connected to a battery (30) and said charging port (60).

6. The bluetooth remote control according to claim 5, characterized in that the housing (10) comprises an upper shell (11) and a lower shell (12), the volume knob (40) and the channel knob (50) being arranged at the upper shell (11).

7. The Bluetooth remote controller according to claim 6, wherein the lower case (12) is provided with a first magnet (71) and a second magnet (72) near the inner walls of the two ends for stably attaching the Bluetooth remote controller to the charging mechanism.

8. The bluetooth remote controller according to claim 5, characterized in that the end surface of the casing (10) near the volume knob is further provided with a hook device (81), and the lower casing surface of the casing (10) is provided with a back clip device (82).

9. The bluetooth remote controller according to claim 5, wherein the housing (10) further comprises a microphone for receiving an intelligent search voice, the microphone is electrically connected to the bluetooth main control chip, and when the volume rotary encoder (S2) with the pressed key is pressed, the microphone receives a signal and sends the signal to the bluetooth main control chip for performing a voice intelligent search process.

10. The Bluetooth remote controller according to claim 5, wherein the volume rotary encoder with pressed key (S2) is implemented as at least one encoder switch or key instead, or the resilient rotary switch with pressed key (S3) is implemented as at least one encoder switch or key instead.