CN106792334B - Display equipment with Bluetooth sound box and control method thereof - Google Patents
Display equipment with Bluetooth sound box and control method thereof Download PDFInfo
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- CN106792334B CN106792334B CN201611209224.9A CN201611209224A CN106792334B CN 106792334 B CN106792334 B CN 106792334B CN 201611209224 A CN201611209224 A CN 201611209224A CN 106792334 B CN106792334 B CN 106792334B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2420/00—Details of connection covered by H04R, not provided for in its groups
- H04R2420/03—Connection circuits to selectively connect loudspeakers or headphones to amplifiers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Controls And Circuits For Display Device (AREA)
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Abstract
The invention discloses a display device with a Bluetooth sound box, which comprises a control switch, a display circuit, a first Bluetooth circuit, a first processor and an audio playing circuit, wherein the first processor is used for controlling the operation of the first Bluetooth circuit according to different states of the control switch and controlling the operation of the audio playing circuit according to the Bluetooth pairing result of the first Bluetooth circuit; a control method of the display device with the Bluetooth sound box is also disclosed. The display device with the Bluetooth sound box and the control method thereof realize time-sharing work of the display circuit, the first Bluetooth circuit and the audio playing circuit by utilizing different states of the control switch and Bluetooth pairing results, and separate control of a normal display mode and a Bluetooth sound box mode of the display device, thereby not only reducing the power consumption of the display device, but also being very convenient and humanized for controlling the functions of the display device. The invention is used as the display equipment with the Bluetooth sound box and the control method thereof, and can be widely applied to the field of display equipment.
Description
Technical Field
The invention relates to the field of display equipment, in particular to display equipment with a Bluetooth sound box and a control method thereof.
Background
With the development of Bluetooth technology, the wide application of Bluetooth sound box products, the only single function of common display equipment can not meet the multifunctional requirement of modern families on the intelligent product multipurpose, so that the display equipment combined with the Bluetooth sound box appears, but the Bluetooth sound box mode works when in a normal display mode, so that the power consumption of the display equipment is larger, and the energy-saving requirement of the modern intelligent product is not met.
Disclosure of Invention
In order to solve the technical problems, the invention aims to provide a low-power-consumption display device with a Bluetooth sound box, and correspondingly, a control method of the display device with the Bluetooth sound box.
The technical scheme adopted by the invention is as follows: the utility model provides a display device with bluetooth speaker, includes control switch, display circuit and bluetooth speaker circuit, bluetooth speaker circuit includes first bluetooth circuit, first treater and audio playback circuit, first treater is used for controlling the work of first bluetooth circuit according to control switch's different state to according to the work of the bluetooth pairing result control audio playback circuit of first bluetooth circuit, control switch's output is connected with display circuit's input, first treater's input respectively, the output of first treater, first bluetooth circuit's output is connected with audio playback circuit's input respectively, first bluetooth circuit is connected with first treater.
Further, the audio playing circuit comprises an audio signal switching circuit, a power amplification circuit and a loudspeaker, wherein the output end of the display circuit, the output end of the first Bluetooth circuit and the output end of the first processor are respectively connected with the input end of the audio signal switching circuit, the output end of the audio signal switching circuit and the output end of the first processor are respectively connected with the input end of the power amplification circuit, and the output end of the power amplification circuit is connected with the input end of the loudspeaker.
Further, the display device with the Bluetooth sound box further comprises a power supply circuit, the power supply circuit comprises a direct current power supply, a first power supply control circuit and a second power supply control circuit, the output end of the direct current power supply is connected with the input end of the first power supply control circuit and the input end of the second power supply control circuit respectively, the output end of the first power supply control circuit is connected with the input end of the first Bluetooth circuit and the input end of the audio playing circuit, the output end of the direct current power supply and the output end of the second power supply control circuit are connected with the input end of the display circuit respectively, and the output end of the first processor is connected with the input end of the first power supply control circuit and the output end of the second power supply control circuit respectively.
Further, the output end of the first Bluetooth circuit is connected with the input end of the audio signal switching circuit through the analog-to-digital conversion circuit.
Further, the display device with the Bluetooth sound box further comprises an indicator light circuit, and the output end of the first processor is connected with the input end of the indicator light circuit.
Further, the display device with the Bluetooth sound box further comprises a second Bluetooth circuit, and the second Bluetooth circuit is connected with the display circuit.
Further, the display device includes a projector or a display.
The invention adopts another technical scheme that: a control method of a display device with a Bluetooth sound box is applied to the display device with the Bluetooth sound box, and comprises the following steps:
s1, the control switch inputs a starting signal to trigger the display circuit to work, and the first processor triggers the first Bluetooth circuit and the audio playing circuit to stop working;
s2, the control switch inputs a shutdown signal, the display circuit stops working, and the first processor triggers the first Bluetooth circuit to work;
s3, until the first Bluetooth circuit and the intelligent device are successfully matched, the first processor triggers the audio playing circuit to work, and the step S1 is returned.
Further, after the control switch inputs a shutdown signal, the first processor triggers the first power supply control circuit to supply power to the first Bluetooth circuit, and meanwhile, the shutdown signal triggers the first processor to control the first Bluetooth circuit to work;
the first Bluetooth circuit and the intelligent device are successfully matched, the first processor triggers the first power supply control circuit to supply power to the audio playing circuit, and meanwhile, the first processor triggers the audio playing circuit to work.
Further, the intelligent device comprises a mobile phone, a computer or an iPad.
The beneficial effects of the invention are as follows: the invention relates to a display device with a Bluetooth sound box and a control method thereof, wherein the display device comprises a control switch, a display circuit and a Bluetooth sound box circuit, and the Bluetooth sound box circuit comprises a first Bluetooth circuit, a first processor and an audio playing circuit; the time-sharing operation of the display circuit, the first Bluetooth circuit and the audio playing circuit is realized by utilizing different states of the control switch and Bluetooth pairing results, wherein the time-sharing operation comprises a normal display mode and a Bluetooth sound box mode, and the display circuit works after the power-on and enters the normal display mode; when the Bluetooth wireless communication system is in standby, the first processor detects a Bluetooth pairing result, the Bluetooth wireless communication system enters a Bluetooth sound box mode if the Bluetooth pairing is successful, the first processor controls the audio playing circuit to play the audio information received by the first Bluetooth circuit, and the normal display mode and the Bluetooth sound box mode of the display device are controlled separately, so that the power consumption of the display device is reduced, and the function control of the display device is very convenient and humanized.
Drawings
The following is a further description of embodiments of the invention, taken in conjunction with the accompanying drawings:
FIG. 1 is a block diagram of a display device with a Bluetooth speaker according to the present invention;
FIG. 2 is a block diagram of a display device with a Bluetooth speaker according to an embodiment of the present invention;
fig. 3 is a flowchart of the steps of a control method of a display device with a bluetooth speaker according to the present invention.
Detailed Description
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other.
Referring to fig. 1, fig. 1 is a structural block diagram of a display device with a bluetooth speaker according to the present invention, including a control switch, a display circuit and a bluetooth speaker circuit, where the bluetooth speaker circuit includes a first bluetooth circuit, a first processor, and an audio playing circuit, the first processor is configured to control operation of the first bluetooth circuit according to different states of the control switch, and control operation of the audio playing circuit according to a bluetooth pairing result of the first bluetooth circuit, an output end of the control switch is connected with an input end of the display circuit and an input end of the first processor, and an output end of the first processor and an output end of the first bluetooth circuit are connected with an input end of the audio playing circuit, respectively, and the first bluetooth circuit is connected with the first processor.
The display device with the Bluetooth sound box realizes time-sharing work control of the display circuit, the first Bluetooth circuit and the audio playing circuit by utilizing the control switch and the first processor, and when the control switch is pressed down, the display circuit works to enter a normal display mode, and the first Bluetooth circuit and the audio playing circuit do not work; when the control switch is pressed down again, the first Bluetooth circuit works, the first processor controls the audio playing circuit to work or not according to the Bluetooth pairing result of the first Bluetooth circuit, if the Bluetooth pairing is successful, the Bluetooth sound box mode is entered, the audio playing circuit plays audio data received by the first Bluetooth circuit, and the first Bluetooth circuit is only used for receiving the audio data; the time-sharing mode is adopted to enter the normal display mode and the Bluetooth sound box mode, so that the power consumption of the display equipment can be reduced, and the control of the display equipment is more convenient, quick and humanized.
As a further improvement of the technical solution, referring to fig. 2, fig. 2 is a block diagram of a specific embodiment of a display device with a bluetooth speaker according to the present invention, where in this embodiment, the first bluetooth circuit includes a DCM8633 bluetooth chip, an antenna and a peripheral circuit thereof; the first processor is realized by a single-chip microcomputer, and an STM32 series single-chip microcomputer is adopted, and specifically, an STM32F030C8T6TR type single-chip microcomputer is adopted as the first processor. Further, the audio playing circuit comprises an audio signal switching circuit, a power amplifier circuit and a loudspeaker, wherein the output end of the display circuit, the output end of the first Bluetooth circuit and the output end of the first processor are respectively connected with the input end of the audio signal switching circuit, the output end of the audio signal switching circuit and the output end of the first processor are respectively connected with the input end of the power amplifier circuit, and the output end of the power amplifier circuit is connected with the input end of the loudspeaker.
By adopting the scheme, when the display is performed, the audio cannot be played, so in the embodiment, the display circuit is connected with the audio signal switching circuit, the first processor is connected with the power amplifier circuit, when the display device is in the normal display mode, the first processor controls the audio signal switching circuit, the power amplifier circuit and the loudspeaker to be conducted after detecting the startup signal, the audio signal switching circuit is switched to the display circuit, the loudspeaker plays the audio signal input by the display circuit after passing through the power amplifier circuit, the display circuit and the audio playing circuit work simultaneously, the audio is played together when being displayed, and the display experience of a user is improved. Specifically, the audio signal switching circuit comprises a BL1551 analog switch chip; the audio signal comprises an audio signal input by the display circuit and an audio signal received by the first Bluetooth circuit; the power amplifier circuit comprises an NTP8204 power amplifier chip and a peripheral circuit thereof, and is used for amplifying audio signals for being played by a loudspeaker. When the display equipment is in the Bluetooth sound box mode, the first processor controls the audio signal switching circuit and the power amplifier circuit to work only after the Bluetooth pairing is successful, so that the power consumption of the display equipment can be reduced. Further, the output end of the first Bluetooth circuit is connected with the input end of the audio signal switching circuit through an analog-to-digital conversion circuit, and the analog-to-digital conversion circuit is used for converting the audio signal received by the first Bluetooth circuit into a digital signal to be input into the audio playing circuit for playing.
As a further improvement of the technical scheme, referring to fig. 2, fig. 2 is a block diagram of a specific embodiment of a display device with a bluetooth speaker according to the present invention, where the display device with a bluetooth speaker further includes a power supply circuit, the power supply circuit includes a dc power supply, a first power supply control circuit, and a second power supply control circuit, an output end of the dc power supply is connected to an input end of the first power supply control circuit and an input end of the second power supply control circuit, an output end of the first power supply control circuit is connected to an input end of the first bluetooth circuit and an input end of the audio playing circuit, an output end of the dc power supply and an output end of the second power supply control circuit are connected to an input end of the display circuit, and an output end of the first processor is connected to an input end of the first power supply control circuit and an output end of the second power supply control circuit, respectively.
In this embodiment, the power supply voltage of the dc power supply is 19V, which can be obtained by an ac-dc circuit. In the invention, the first processor controls the first power supply control circuit and the second power supply control circuit to work, and when a starting-up signal is input, the first processor controls the second power supply control circuit to be conducted so as to provide electric energy for the display circuit; when a shutdown signal is input, the first processor controls the second power supply control circuit to be disconnected, the display circuit stops working, the first processor controls the first power supply control circuit to supply power to the first Bluetooth circuit, in practice, the first power supply control circuit comprises a first voltage stabilizing circuit and a first switching circuit, the second power supply control circuit comprises a voltage conversion circuit, a second voltage stabilizing circuit and a second switching circuit, the first switching circuit and the second switching circuit are realized by adopting switching tubes such as MOS (metal oxide semiconductor) tubes, the voltage conversion circuit converts the voltage input by the direct current power supply and then carries out voltage stabilizing treatment through the second voltage stabilizing circuit, the first processor controls the first power supply control circuit and the second power supply control circuit to be conducted by controlling the conduction of the switching tubes, and the first switching circuit comprises a plurality of switching tubes and is respectively used for controlling the power supply of each circuit of the first Bluetooth circuit and the audio playing circuit to realize whether the audio playing can be controlled under a normal display mode and a Bluetooth sound box mode; the first voltage stabilizing circuit and the second voltage stabilizing circuit are realized by adopting a low dropout linear voltage regulator.
Further, the display device with the Bluetooth sound box further comprises an indicator light circuit, the output end of the first processor is connected with the input end of the indicator light circuit, the indicator light circuit comprises an LED indicator light, and when the first processor detects a shutdown signal, the LED indicator light is controlled to display red to indicate that the display device is in a standby state; when the first Bluetooth circuit and the peripheral Bluetooth are successfully paired, the first processor controls the LED indicator lamp to display blue, the display device is indicated to enter a Bluetooth sound box mode, and the audio information to be played can be received through the first Bluetooth circuit to be played.
As a further improvement of the technical solution, referring to fig. 2, fig. 2 is a block diagram of a specific embodiment of a display device with a bluetooth speaker according to the present invention, where the display device with a bluetooth speaker further includes a second bluetooth circuit, and the second bluetooth circuit is connected to the display circuit; the second Bluetooth circuit is used for a channel for the display device to interact with other devices, and can receive and send data.
Further, the display device includes a projector or a display; referring to fig. 2, fig. 2 is a block diagram of a specific embodiment of a display device with a bluetooth speaker according to the present invention, where a projector is taken as an example, a display circuit is a projection circuit, the projection circuit includes a second processor, a DLP projection driving circuit, an LED driving circuit, and an optical engine, an output end of a control switch is connected to an input end of the second processor, an output end of the second processor is connected to an input end of an audio signal switching circuit and an input end of the DLP projection driving circuit, an output end of the second power control circuit is connected to an input end of the second processor and an input end of the DLP projection driving circuit, an output end of the DLP projection driving circuit is connected to an input end of the LED driving circuit and an input end of the optical engine, an output end of a dc power supply is connected to an input end of the LED driving circuit, and an output end of the LED driving circuit is connected to an input end of the optical engine. Specifically, the second processor includes a morning ambogic T866 chip; the DLP projection driving circuit comprises a DPP6401 chip, wherein the DPP6401 chip is also externally connected with a memory DDR and a FLASH FLASH for storage; the LED driving circuit comprises a RT8452GQW driving chip; the optical machine comprises a light source and a DMD chip, and the light source is realized by adopting RGB LEDs. The projection circuit may employ an LCD projection scheme in addition to the DLP projection scheme described above.
Referring to fig. 3, fig. 3 is a flowchart of steps of a control method of a display device with a bluetooth speaker according to the present invention, including the following steps:
s1, a control switch inputs a starting signal to trigger a display circuit to work, and a first processor triggers a first Bluetooth circuit and an audio playing circuit to stop working;
s2, a control switch inputs a shutdown signal, a display circuit stops working, and a first processor triggers a first Bluetooth circuit to work;
s3, until the first Bluetooth circuit and the intelligent device are successfully matched, the first processor triggers the audio playing circuit to work, and the step S1 is returned.
When the display device is in normal use, the control switch is pressed to input a starting signal, the display device enters a normal display mode, and only the display circuit and the first processor work; the control switch is pressed down again to input a shutdown signal, the display device enters a standby mode, in the standby mode, the first processor controls the first Bluetooth circuit to be in a working state, when a user performs pairing with the first Bluetooth circuit by using the intelligent device with the Bluetooth function, the first processor detects that Bluetooth pairing is successful, the audio playing circuit is controlled to work if connection is successful, the audio playing circuit enters a Bluetooth sound box working mode, and the audio playing circuit plays audio information received by the first Bluetooth circuit; further, the intelligent device comprises a mobile phone, a computer or an iPad; when the first processor detects the start-up signal of the control switch again, the device turns off the first Bluetooth circuit and enters the normal display mode again. The time-sharing work of the display circuit, the first Bluetooth circuit and the audio playing circuit is realized by utilizing different states of the control switch and Bluetooth pairing results, so that the power consumption of the display device is reduced, the function control of the display device is very convenient and humanized, the operation flow of a user is simplified, and the product experience of the user is improved.
As a further improvement of the technical scheme, the first processor is respectively connected with the first power supply control circuit and the second power supply control circuit, so that the first processor can control whether the display circuit and the audio playing circuit are powered on or not, specifically, after the control switch inputs a shutdown signal, the first processor triggers the first power supply control circuit to supply power for the first bluetooth circuit, and meanwhile, the shutdown signal triggers the first processor to control the first bluetooth circuit to work;
the first Bluetooth circuit and the intelligent device are successfully matched, the first processor triggers the first power supply control circuit to supply power to the audio playing circuit, and meanwhile, the first processor triggers the audio playing circuit to work;
after the control switch inputs a starting signal, the first processor triggers the first power supply control circuit to stop supplying power to the first Bluetooth circuit, and the first processor triggers the second power supply control circuit to supply power to the display circuit; further, the display circuit is connected with the audio playing circuit, and when the display circuit is in the normal display mode, the first processor can control the audio playing circuit to work, play audio signals input by the display circuit, realize the display and play audio at the same time, and improve user experience. The audio signal switching circuit is added to enable the audio to be played in both a normal display mode and a Bluetooth sound box mode, so that when the Bluetooth sound box mode is adopted, after Bluetooth pairing is successful, the first processor also needs to trigger the audio signal switching circuit to switch audio signals to play audio signals received by the first Bluetooth circuit; in the normal display mode, in order to play audio while displaying, the first processor controls the first power supply control circuit to trigger the audio signal switching circuit and the power amplifier circuit to work, so that display and audio play are realized.
While the preferred embodiment of the present invention has been described in detail, the present invention is not limited to the embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and these equivalent modifications or substitutions are included in the scope of the present invention as defined in the appended claims.
Claims (10)
1. The utility model provides a display device with bluetooth speaker, its characterized in that includes control switch, display circuit and bluetooth speaker circuit, bluetooth speaker circuit includes first bluetooth circuit, first treater and audio playback circuit, first treater is used for controlling the work of first bluetooth circuit according to the different states of control switch to control the work of audio playback circuit according to the bluetooth pairing result of first bluetooth circuit, the output of control switch is connected with the input of display circuit, the input of first treater respectively, the output of first treater, the output of first bluetooth circuit is connected with the input of audio playback circuit respectively, first bluetooth circuit is connected with first treater, wherein, the step that first treater is used for controlling the work of first bluetooth circuit according to the different states of control switch includes: s1, the control switch inputs a starting signal to trigger the display circuit to work, and the first processor triggers the first Bluetooth circuit and the audio playing circuit to stop working; s2, the control switch inputs a shutdown signal, the display circuit stops working, and the first processor triggers the first Bluetooth circuit to work; s3, until the first Bluetooth circuit and the intelligent device are successfully matched, the first processor triggers the audio playing circuit to work, and the step S1 is returned.
2. The display device with a bluetooth speaker according to claim 1, wherein the audio playing circuit comprises an audio signal switching circuit, a power amplifier circuit and a speaker, wherein the output end of the display circuit, the output end of the first bluetooth circuit and the output end of the first processor are respectively connected with the input end of the audio signal switching circuit, the output end of the audio signal switching circuit and the output end of the first processor are respectively connected with the input end of the power amplifier circuit, and the output end of the power amplifier circuit is connected with the input end of the speaker.
3. The display device with the Bluetooth sound box according to claim 2, further comprising a power supply circuit, wherein the power supply circuit comprises a direct current power supply, a first power supply control circuit and a second power supply control circuit, an output end of the direct current power supply is connected with an input end of the first power supply control circuit and an input end of the second power supply control circuit respectively, an output end of the first power supply control circuit is connected with an input end of the first Bluetooth circuit and an input end of the audio playing circuit, an output end of the direct current power supply and an output end of the second power supply control circuit are connected with an input end of the display circuit respectively, and an output end of the first processor is connected with an input end of the first power supply control circuit and an output end of the second power supply control circuit respectively.
4. A display device with a bluetooth speaker according to claim 3, wherein the output of the first bluetooth circuit is connected to the input of the audio signal switching circuit via an analog to digital conversion circuit.
5. The display device with a bluetooth speaker according to any one of claims 1 to 4, further comprising an indicator light circuit, wherein an output of the first processor is connected to an input of the indicator light circuit.
6. The display device with a bluetooth speaker of claim 5, further comprising a second bluetooth circuit, wherein the second bluetooth circuit is coupled to the display circuit.
7. The display device with a bluetooth speaker of claim 6, wherein the display device comprises a projector or a display.
8. A control method of a display device with a bluetooth speaker, applied to the display device with a bluetooth speaker according to any one of claims 1 to 7, characterized by comprising the steps of:
s1, the control switch inputs a starting signal to trigger the display circuit to work, and the first processor triggers the first Bluetooth circuit and the audio playing circuit to stop working;
s2, the control switch inputs a shutdown signal, the display circuit stops working, and the first processor triggers the first Bluetooth circuit to work;
s3, until the first Bluetooth circuit and the intelligent device are successfully matched, the first processor triggers the audio playing circuit to work, and the step S1 is returned.
9. The method for controlling a display device with a bluetooth speaker according to claim 8,
after the control switch inputs a shutdown signal, the first processor triggers the first power supply control circuit to supply power to the first Bluetooth circuit, and meanwhile, the shutdown signal triggers the first processor to control the first Bluetooth circuit to work;
the first Bluetooth circuit and the intelligent device are successfully matched, the first processor triggers the first power supply control circuit to supply power to the audio playing circuit, and meanwhile, the first processor triggers the audio playing circuit to work.
10. The method for controlling a display device with a bluetooth speaker according to claim 8 or 9, wherein the smart device comprises a mobile phone or a computer.
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| CN201611209224.9A CN106792334B (en) | 2016-12-23 | 2016-12-23 | Display equipment with Bluetooth sound box and control method thereof |
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| CN201611209224.9A CN106792334B (en) | 2016-12-23 | 2016-12-23 | Display equipment with Bluetooth sound box and control method thereof |
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| CN109246530A (en) * | 2018-08-28 | 2019-01-18 | 出门问问信息科技有限公司 | The display control method and display control unit of intelligent sound box, intelligent sound box |
| CN110851184A (en) * | 2019-09-29 | 2020-02-28 | 深圳市火乐科技发展有限公司 | Management method of sound box of intelligent projector and related product |
| CN112788375B (en) * | 2019-11-04 | 2023-04-25 | 海信视像科技股份有限公司 | Display device, display method and computing device |
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| CN104007969A (en) * | 2014-05-26 | 2014-08-27 | 青岛海信移动通信技术股份有限公司 | Booting sound playing method and device |
| CN104460451A (en) * | 2014-11-29 | 2015-03-25 | 重庆长安汽车股份有限公司 | System starting control method of vehicle-mounted information service terminal product |
| CN104506993A (en) * | 2014-12-05 | 2015-04-08 | 深圳市强大实业有限公司 | Multifunctional bluetooth sound equipment device |
| CN205622822U (en) * | 2016-01-25 | 2016-10-05 | 深圳宽洋网络发展有限公司 | Two bluetooth speaker |
| CN205812361U (en) * | 2016-07-27 | 2016-12-14 | 李双杰 | A kind of multifunctional sound box |
| CN206323545U (en) * | 2016-12-23 | 2017-07-11 | 深圳市火乐科技发展有限公司 | A kind of display device with Baffle Box of Bluetooth |
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