CN101546470A - Bluetooth remote control device of vehicle audio and remote control method - Google Patents
Bluetooth remote control device of vehicle audio and remote control method Download PDFInfo
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- CN101546470A CN101546470A CN200910106845A CN200910106845A CN101546470A CN 101546470 A CN101546470 A CN 101546470A CN 200910106845 A CN200910106845 A CN 200910106845A CN 200910106845 A CN200910106845 A CN 200910106845A CN 101546470 A CN101546470 A CN 101546470A
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Abstract
The invention provides a Bluetooth remote control device of a vehicle audio and a remote control method. The device can carry out remote control on the vehicle audio in a Bluetooth mode and can automatically enter a power saving mode under the condition that the vehicle audio has no response. The Bluetooth remote control device of the vehicle audio and the remote control method have the advantages of long control distance, convenient use, strong anti-jamming capacity and good compatibility. Compared with the prior art, the device and the method have the advantage of low power consumption in a special power supply management mode.
Description
Technical field
The present invention relates to the vehicle audio field, especially a kind of Bluetooth remote control device of using vehicle audio.
Background technology
Along with the development of vehicle mounted multimedia technology, the function of on-vehicle acoustic apparatus is more and more abundanter, and performance is become better and better.The user uses installed video equipment in the car for convenience, has occurred multiple vehicle audio remote control equipment based on the controlled in wireless mode on the market.Wherein, infrared ray vehicle audio telepilot is simple with it, low-cost, advantages such as easy realization are occupied certain share in vehicle audio telepilot market, but, because ultrared wavelength is shorter, diffracting power to barrier is poor, therefore Infrared remote controller is more suitable for being applied in the occasion of short-distance wireless communication, and carry out point-to-point straight line data transmission, effect with infrared remote controller remote-control vehicular sound equipment is also bad, when especially being sitting in the motroist who arranges behind the car and wanting by infrared remote controller remote-control vehicular sound equipment, may be stopped by front-row seats and driver, cause remote control malfunctioning, bring very bad use experience.
Summary of the invention
The Bluetooth remote control device and the remote control thereof thereof that the purpose of this invention is to provide a kind of vehicle audio are intended to solve the defective that existing onboard remote controller remote control distance is not enough, use inconvenience.
The Bluetooth remote control device of vehicle audio provided by the invention comprises a control module and the power module that is connected with control module respectively, display module, key-press module and bluetooth module.
More specifically, described power module further comprises power supply management module, battery management module and battery, and described battery management module utilizes external interface that battery is charged, described control module control power supply management module.
More specifically, described control module is by the data interaction of UART realization with bluetooth module.
More specifically, described control module is by the control of GPIO realization to display module and key-press module.
More specifically, described telechiric device further comprises a memory module that is connected with control module.
The remote control thereof of the Bluetooth remote control device of vehicle audio provided by the invention may further comprise the steps:
Step a carries out system wake-up and button identifying;
Step b, control module is called out the vehicle audio bluetooth host by bluetooth module;
Step c judges whether to receive in the given time the information of automobile audio bluetooth host, if receive the information of automobile audio bluetooth host, then starts display module, and carries out bluetooth communication with the automobile audio bluetooth host; If do not receive the information of automobile audio bluetooth host, then control power module and enter battery saving mode.
More specifically, described step a further may further comprise the steps:
Step a1, system break is waken up;
Step a2, the Switching power pattern is to duty;
Step a3 has judged whether that button presses, if there is button to press, then carries out button identification; Do not press if there is button, then enter waiting status.
More specifically, described step b further may further comprise the steps:
Step b1 starts bluetooth module;
Step b2 starts UART;
Step b3 sends data.
More specifically, described remote control thereof further may further comprise the steps d: judge whether user's operation requests was arranged in a period of time, if the no user operation requests is then controlled power module, system enters low-power consumption mode.
The Bluetooth remote control device and the remote control thereof thereof of vehicle audio provided by the invention are controlled vehicle audio by bluetooth approach, have the advantage that command range is far away, easy to use, antijamming capability strong, compatibility is good; And, make the present invention have the advantage of low-power consumption than prior art by distinctive power management.
Description of drawings
Fig. 1 is the structural representation of the Bluetooth remote control device of vehicle audio of the present invention;
Fig. 2 is the process flow diagram of remote control thereof of the present invention;
Fig. 3 is the process flow diagram of system wake-up of the present invention and button identification;
Fig. 4 is the process flow diagram that the present invention calls out the automobile audio bluetooth host;
Fig. 5 is the process flow diagram that the present invention handles main system of audio information;
Fig. 6 is the application scenarios synoptic diagram of vehicle audio Bluetooth remote control device of the present invention;
Fig. 7 is the present invention reduces electrical source consumption according to user's operation requests situation a process flow diagram.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
Referring to shown in Figure 1, the Bluetooth remote control device of this vehicle audio comprises control module 11 and the power module 10 that is connected with control module 11 respectively, memory module 12, display module 13, bluetooth module 14, key-press module 15.Wherein power module 10 comprises power supply management module 101, battery management module 102 and battery 10, and the power supply management module 101 of power module 10 provides all size power supply to system.Bluetooth module 14 realizes that baseband protocol is handled and radio transceiver is handled, and the UART (UART Universal Asynchronous Receiver Transmitter) that can operate bluetooth module 14 is provided interface.Adopt I2C to communicate by letter between control module 11 and the memory module 12; Control module 11 is by the data interaction of UART realization with bluetooth module 14; Control module 11 is by the control of GPIO (general input/output port) realization to display module 13 and key-press module 15, and each row of array joins with the interruption IO of control module 11 in the key-press module 15.Control module 11 is according to current power supply status and system state, and by GPIO control power supply management module 101, battery management module 102 utilizes the external USB interface to realize Charge Management, and battery 103 is charged.
In conjunction with referring to shown in Fig. 2, the remote control thereof of the Bluetooth remote control device of vehicle audio of the present invention may further comprise the steps:
At first in step 20, carry out system wake-up and button identifying; Execution in step 21 then, and control module 11 is called out vehicle audio bluetooth host (also comprising bluetooth module in the vehicle audio main frame) by bluetooth module 14; Execution in step 22 then, judge whether to receive in the given time the information of automobile audio bluetooth host, if receive, then execution in step 23, handle the automobile audio host information, start display module 13, telechiric device and automobile audio bluetooth host carry out bluetooth communication then; If do not receive the information of automobile audio bluetooth host, then execution in step 24, control power module 10, and the Bluetooth remote control device enters battery saving mode.
Shown in Fig. 3, described system wake-up of step 20 and button identification may further comprise the steps:
Detect after button presses, system break is waken up in step 31, and in step 32 Switching power pattern (switching to duty), judged whether in step 33 that then button presses, if there is button to press, then execution in step 35, carry out button identification; Do not press if there is button, then execution in step 34, and system enters waiting status.
Shown in Fig. 4, above-mentioned steps 21 described calling automobile audio bluetooth hosts specifically may further comprise the steps: at first start bluetooth module and (comprise and start the bluetooth module power supply in step 41, the initialization bluetooth module), in step 42, start UART then, in step 43, send data at last.
Shown in Fig. 5, the detailed process of step 23 is as follows: after control module 11 is received the return message of sound equipment bluetooth host by the UART interface, confirmation source in step 51, after analyzing source-information, in step 52, start display module 13 (comprise and start LCD display module and backlight etc.).
Shown in Fig. 6, be the application scenarios synoptic diagram of vehicle audio Bluetooth remote control device provided by the invention among Fig. 6: the Bluetooth remote control device 61 of vehicle audio provided by the invention carries out information interaction by the bluetooth host 62 of blueteeth network and vehicle audio, and, as preferred embodiment, the Bluetooth remote control device 61 of vehicle audio is initiatively to connect main frame, and receive the information of the bluetooth host 62 of vehicle audio at special time, and carry out the switching of electric source modes, if do not receive the information of the bluetooth host 62 of vehicle audio, then switch to battery saving mode, to guarantee Bluetooth remote control device 61 low power operations.
Shown in Fig. 7, the telechiric device of vehicle audio provided by the invention and remote control thereof thereof can also be after control module 11 be handled key information, whether judgement has user's operation requests (whether having button to press) in a period of time, if button is arranged to be pressed, then execution in step 71, the bluetooth host that connects vehicle audio, if not having button presses, then execution in step 72, Switching power pattern (entering low-power consumption mode) can further reduce electrical source consumption by power supply management module 101 like this.
The above only is preferred embodiment of the present invention; not in order to restriction the present invention; for example; key-press module 15 can be a mechanical key; it also can be touch-screen button etc.; all any modifications of being done within the spirit and principles in the present invention, be equal to and replace and improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1, a kind of Bluetooth remote control device of vehicle audio comprises a control module, it is characterized in that further comprising: the power module that is connected with control module, display module, key-press module and bluetooth module respectively.
2, the Bluetooth remote control device of vehicle audio according to claim 1, it is characterized in that, described power module further comprises power supply management module, battery management module and battery, described battery management module utilizes external interface that battery is charged, described control module control power supply management module.
3, the Bluetooth remote control device of vehicle audio according to claim 1 is characterized in that, described control module is by the data interaction of UART realization with bluetooth module.
4, the Bluetooth remote control device of vehicle audio according to claim 1 is characterized in that, described control module is by the control of GPIO realization to display module and key-press module.
5, the Bluetooth remote control device of vehicle audio according to claim 1 is characterized in that, further comprises a memory module that is connected with control module.
6, according to the remote control thereof of the Bluetooth remote control device of the described vehicle audio of claim 1, it is characterized in that may further comprise the steps:
Step a carries out system wake-up and button identifying;
Step b, control module is called out the vehicle audio bluetooth host by bluetooth module;
Step c judges whether to receive in the given time the information of automobile audio bluetooth host, if receive the information of automobile audio bluetooth host, then starts display module, and carries out bluetooth communication with the automobile audio bluetooth host; If do not receive the information of automobile audio bluetooth host, then control power module and enter battery saving mode.
7, remote control thereof according to claim 6 is characterized in that, described step a further may further comprise the steps:
Step a1, system break is waken up;
Step a2, the Switching power pattern is to duty;
Step a3 has judged whether that button presses, if there is button to press, then carries out button identification; Do not press if there is button, then enter waiting status.
8, remote control thereof according to claim 6 is characterized in that, described step b further may further comprise the steps:
Step b1 starts bluetooth module;
Step b2 starts UART;
Step b3 sends data.
9, remote control thereof according to claim 6, it is characterized in that described remote control thereof further may further comprise the steps d: judge whether user's operation requests is arranged in a period of time, if the no user operation requests, then control power module, system enters low-power consumption mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910106845A CN101546470A (en) | 2009-04-22 | 2009-04-22 | Bluetooth remote control device of vehicle audio and remote control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910106845A CN101546470A (en) | 2009-04-22 | 2009-04-22 | Bluetooth remote control device of vehicle audio and remote control method |
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| CN101546470A true CN101546470A (en) | 2009-09-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200910106845A Pending CN101546470A (en) | 2009-04-22 | 2009-04-22 | Bluetooth remote control device of vehicle audio and remote control method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102200779A (en) * | 2011-04-01 | 2011-09-28 | 深圳市众鸿科技有限公司 | Vehicle-mounted electronic system and energy consumption control method thereof |
| CN103166684A (en) * | 2013-04-09 | 2013-06-19 | 北京兴科迪科技有限公司 | Vehicle-mounted Bluetooth device |
| CN105681970A (en) * | 2016-01-04 | 2016-06-15 | 芜湖美的厨卫电器制造有限公司 | Water heater and audio system control method thereof |
-
2009
- 2009-04-22 CN CN200910106845A patent/CN101546470A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102200779A (en) * | 2011-04-01 | 2011-09-28 | 深圳市众鸿科技有限公司 | Vehicle-mounted electronic system and energy consumption control method thereof |
| CN102200779B (en) * | 2011-04-01 | 2013-03-13 | 深圳市众鸿科技股份有限公司 | Vehicle-mounted electronic system and energy consumption control method thereof |
| CN103166684A (en) * | 2013-04-09 | 2013-06-19 | 北京兴科迪科技有限公司 | Vehicle-mounted Bluetooth device |
| CN105681970A (en) * | 2016-01-04 | 2016-06-15 | 芜湖美的厨卫电器制造有限公司 | Water heater and audio system control method thereof |
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Open date: 20090930 |