CN203574840U - Vehicle-mounted magic card audio system - Google Patents
Vehicle-mounted magic card audio system Download PDFInfo
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- CN203574840U CN203574840U CN201320673714.XU CN201320673714U CN203574840U CN 203574840 U CN203574840 U CN 203574840U CN 201320673714 U CN201320673714 U CN 201320673714U CN 203574840 U CN203574840 U CN 203574840U
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Abstract
The utility model discloses a vehicle-mounted magic card audio system, and aims to solve the free connection problem between a mobile phone and a vehicle audio system. The vehicle-mounted magic card audio system comprises a system circuit and a shell body; the system circuit comprises a detecting unit, an audio processing unit, and a work power supply; the shell body comprises a storage box, which is used for accommodating mobile phones, and an operation panel, the operation panel is arranged on the storage box; the detecting unit comprises an ECU, a photosensitive switch tube, and a LED, wherein the photosensitive switch tube and the LED are connected to the ECU, the photosensitive switch tube and the LED are correspondingly arranged in the storage box, the output terminal of the ECU is connected to an electronic switch, the electronic switch is serially arranged between the work powder supply and the power source input terminal of the audio processing unit; the audio processing unit comprises an audio processing module, an antenna, a loudspeaker, a bluetooth receiving and sending module, which is connected to the audio processing module, a data memory, an audio frequency amplifier, a microphone, and an operation button; the antenna is connected to the bluetooth receiving and sending module, the loudspeaker is connected to the audio frequency amplifier, and the operation button is arranged on the operation panel.
Description
Technical field
The utility model relates to a kind of car audio system, relates in particular to a kind of car audio system that carries out the broadcasting of vehicle-mounted voice communications and entertainment audio frequency from the mobile phone that is dynamically connected.
Background technology
Communication equipment is ubiquitous in current human society, the communication equipment that the mobile phone of especially take is representative, especially an indispensable part in modern humans's life.Along with smart mobile phone is come into huge numbers of families, and the continuous enhancing of smart mobile phone function, smart mobile phone has been no longer the instrument of voice communication and short message communication, but the amusement equipment of a movement.How by the power of smart mobile phone, to be that automobile is used, be that each automaker promotes one of vehicle intellectualized important channel.The function of smart mobile phone is applied to automobile primary and will realizes from two aspects: one, and by Bluetooth Communication Technology, realize being connected of smart mobile phone and car audio system, thereby realize the hand-free call function that vehicle-mounted voice is communicated by letter.At present, this communication connection that realizes smart mobile phone and automobile by Bluetooth Communication Technology, the Bluetooth pairing function that needs operative intelligence mobile phone, carries out mating of smart mobile phone and car audio system, could realize the hand-free call function of vehicle-mounted voice communication after success to be matched; They are two years old, by cable data, transmit and realize being connected of smart mobile phone and car audio system, using smart mobile phone as a movable storage device, car audio system reads the audio-frequency information of storing in smart mobile phone by the data wire being connected with smart mobile phone, and play, thereby realize the function that smart mobile phone is play entertainment audio on car audio system.At present, this function of playing entertainment audio by smart mobile phone on car audio system, need manual operation smart mobile phone to be connected with the data wire of car audio system, even need the transfer of data setting of operative intelligence mobile phone and the playing process of audio entertain mem information, even so, part smart mobile phone also need information read device (as, car audio system) possess specific information and read driver, this gives again and by data wire, realizes smart mobile phone and on car audio system, play entertainment audio and caused obstacle.
How to realize being freely connected of mobile phone (smart mobile phone) and car audio system, without by the Bluetooth pairing of manual operation mobile phone (smart mobile phone), the processes such as data setting and data connection, thereby automatically realizing the hand-free call function of mobile phone (smart mobile phone) on automobile and the playing function of audio entertain mem information, is one of important directions of car audio system development.
Patent Office of the People's Republic of China has announced the patent of a kind of integrated vehicle bluetooth, phone display control terminal on July 18th, 2007, its patent No. is CN 200620062052.2.This patent comprises power circuit, host interface, main control unit, this terminal is joined by host interface and main frame, also include headset, infrared receiving device, some buttons and display unit, the output signal of power circuit inputs to main control unit, it between host interface and main control unit, is transmitted in both directions signal, headset joins by host interface and main frame, infrared receiving device and somely input to main control unit by key output signal, and main control unit output signal inputs to display unit.This patent has just realized the hand-free call function of mobile phone (smart mobile phone) on automobile, and the playing function of the audio entertain mem information of unrealized mobile phone (smart mobile phone) on automobile, in addition, this patent still needs the bluetooth setting of manual operation mobile phone (smart mobile phone) when realizing hand-free call function, and this has brought inconvenience and safe secret worry to the driver in driving.
Chinese patent has announced on March 13rd, 2013 patent that name is called a kind of vehicle carried mobile phone bluetooth automatic matching device, and its patent No. is CN 201220439856.This patent mainly solves is the ineffective problem of on-vehicle Bluetooth Auto-matching under the state do not opened of mobile phone bluetooth function.This device comprises for realizing the search of bluetooth around and the bluetooth module of coupling, microphone, sound equipment and Bluetooth of mobile phone, this device also comprises Vehicle Controller, for detection of the RFID module that whether has mobile phone in car, RFID module comprises several RF coil and receivers, be contained in the RFID-SIM card on bluetooth cellular phone, radio-frequency (RF) identification positioning unit and for reading the RFID information reading unit of RFID information on the RFID-SIM card on bluetooth cellular phone, Vehicle Controller connects respectively bluetooth module, radio-frequency (RF) identification positioning unit and RFID information reading unit, Vehicle Controller also connects respectively microphone and sound equipment, RF coil and receiver carry out wireless telecommunications with RFID-SIM card and radio-frequency (RF) identification positioning unit respectively.This installs by search after mobile phone in detection and localization car and the interior Bluetooth of mobile phone of coupling car.Although this patent has realized being certainly dynamically connected of mobile phone (smart mobile phone) and car audio system, but in car, exist more than two when mobile phone (smart mobile phone) is worked, will there is disorderly problem in this technical scheme, do not know with which mobile phone (smart mobile phone) to communicate.Secondly, this patent is the playing function of the audio entertain mem information of unrealized mobile phone (smart mobile phone) on automobile also.
Utility model content
The purpose of this utility model is to provide a kind of vehicle-mounted evil spirit card audio system, to solve the free connectivity problem of mobile phone (smart mobile phone) and car audio system, realization is without processes such as the Bluetooth pairing by manual operation mobile phone (smart mobile phone), data setting and data connections, automatically realize the hand-free call function of mobile phone (smart mobile phone) on automobile and the playing function of audio entertain mem information, and the mobile phone (smart mobile phone) only needs being connected carries out from being dynamically connected.
The utility model is solved by the following technical programs for prior art problem, a kind of vehicle-mounted evil spirit card audio system, comprise circuit system and housing, circuit system comprises detecting unit, audio treatment unit and working power, housing comprises parcel tray and the guidance panel that holds mobile phone, and guidance panel is arranged on parcel tray, detecting unit comprises ECU and is connected to the photosensitive switch pipe of ECU and as the LED of detection light source, photosensitive switch pipe and LED correspondence are arranged in parcel tray and make LED illumination be mapped to photosensitive switch pipe, output control connection one electronic switch of ECU, electronic switch is serially connected between working power and the power input of audio treatment unit, audio treatment unit comprises audio processing modules, antenna, loud speaker and the bluetooth transceiver module being connected with audio processing modules, data storage, audio-frequency power amplifier, microphone and operation push-button, antenna connects bluetooth transceiver module, loud speaker connects audio-frequency power amplifier, operation push-button is arranged on guidance panel.
Working power provides two-way direct voltage, the direct voltage VCC1 that a road provides for monitoring means; The direct voltage VCC2 that another road provides for audio treatment unit.Whether monitoring means has mobile phone (smart mobile phone) to put into parcel tray by LED and photosensitive switch pipe (LED and photosensitive switch pipe are one to one) monitoring, with this, determine whether to start audio treatment unit and automatically carry out bluetooth connection to putting into the mobile phone of parcel tray, and read audio entertain mem information wherein; Audio treatment unit is put into the mobile phone of parcel tray by bluetooth transmission circuit module without matching to be certainly dynamically connected, and by bluetooth transceiver module and audio processing modules, the audio entertain mem information in mobile phone is read in data storage and is kept in once, for the audio entertain mem information of keeping in data storage, under the control of operation push-button, by audio processing modules, outputing it to audio power amplifying circuit carries out after power amplification, export to vapour loud speaker, thereby realize the audio frequency of mobile phone sound intermediate frequency entertainment information on automobile, play.Because the utility model is from mobile phone, audio entertain mem information to be read into data storage once, avoided the information dropout problem causing owing to repeatedly reading audio entertain mem information from mobile phone, also avoided making the mobile phone being read repeatedly in radio transmission state owing to repeatedly reading audio entertain mem information from mobile phone, caused the increase of the electric quantity consumption of mobile phone simultaneously.In the technical program, for the mobile phone automatically having connected, when having telephone access, can determine whether answer this phone by operation push-button.When receiving calls, the loud speaker by audio treatment unit and microphone are realized to the terminal output of voice and inputted.
As preferably, working power comprises accessory power supply ACC link, mains switch, overcurrent fusible link, a DC/DC module and the 2nd DC/DC module, accessory power supply ACC input connects one end of a DC/DC module input and described electronic switch by described mains switch, overcurrent fusible link, the other end of electronic switch connects the 2nd DC/DC module input, the one DC/DC module output connects described detecting unit power input, and the 2nd DC/DC module output connects the power input of described audio treatment unit.The input of working power connects the ACC shelves of ignition switch, and a DC/DC module out-put supply VCC1 is detecting unit power supply, and the 2nd DC/DC module out-put supply VCC2 is audio treatment unit power supply.
As preferably, electronic switch is switching transistor, and the base stage of switching transistor connects ECU, collector electrode and connects the input that overcurrent fusible link, emitter connect the 2nd DC/DC module.Use switching transistor as control switch, to have that noise is little, high reliability.
As preferably, the quantity of photosensitive switch pipe is a plurality of, the identical and corresponding installation one by one of the quantity of the quantity of LED and photosensitive switch pipe.Adopt multipair LED, photosensitive switch pipe conveniently the mobile phone in parcel tray to be made to accurate detection.
As preferably, detecting unit also comprises LED tandem drive module, and LED connects LED tandem drive module.After LED being connected in series by positive and negative electrode when containing a plurality of LED, be connected to the relevant voltage output of LED tandem drive module, to simplify circuit connection structure.
As preferably, antenna be arranged on described parcel tray in.Not only can simplification device structure, and can coordinate the micropower transmitting of bluetooth module, reduce the impact of other mobile phone around.
The beneficial effects of the utility model are: adopted automatic identification and be certainly dynamically connected with being connected of mobile phone (smart mobile phone), without by the Bluetooth pairing of manual operation mobile phone (smart mobile phone), the processes such as data setting and data connection, have embodied the science and technology theory that people-oriented; Integrate the vehicle-mounted playing function of car handsfree voice call function and mobile phone (smart mobile phone), take full advantage of the power of mobile phone (smart mobile phone), facilitated user, avoided the unnecessary repeated storage of audio entertain mem information; Can adopt the wireless micro-power transmitting that can only cover parcel tray space, not only avoid the impact on other mobile phone (smart mobile phone) in car, and the consumption of having saved electric energy.
Accompanying drawing explanation
Fig. 1 is a kind of circuit system schematic diagram of the present utility model;
Fig. 2 is a kind of housing schematic diagram of the present utility model;
Fig. 3 is a kind of program flow diagram of the present utility model.
In figure: 1, circuit system, 2, housing, 11, monitoring means, 12, working power, 13, audio treatment unit, 21, parcel tray, 22, guidance panel, 111, LED tandem drive module, 112, LED, 113, photosensitive switch pipe, 114, ECU, 121, mains switch 122, overcurrent fusible link, 123, the one DC/DC module, 124, switching transistor, 125, the 2nd DC/DC module, 131, antenna, 132, bluetooth transceiver module, 133, data storage, 134, audio processing modules, 135, audio power amplifying circuit, 136, loud speaker, 137, operation push-button, 138, microphone, 139, data wire.
Embodiment
Below by specific embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is further described specifically.
As shown in Figure 1 and Figure 2, vehicle-mounted evil spirit card audio system is mainly comprised of circuit system 1 and housing 2 two parts embodiment.Wherein circuit system 1 is comprised of monitoring means 11, working power 12, audio treatment unit 13 3 parts again; System casing 2 is comprised of parcel tray 21, guidance panel 22 two parts.In monitoring means 11, by 6 LED and 6 photosensitive switch pipes, form six detecting sensors and be used for detecting in parcel tray, whether have mobile phone.The LED 112 of 6 series connection is connected to the I/O port of the output connection ECU 114 of 111,6 photosensitive switch pipes 113 of LED driver module; In working power 12, from the accessory power supply ACC of ignition switch, be linked in sequence and connect again the collector electrode c of a DC/DC module 123 and switching transistor 124 after mains switch 121, overcurrent fusible link 122, the emitter e of switching transistor 124 connects the 2nd DC/DC module 125 outputs, and the base stage of switching transistor 124 connects the I/O port of ECU 114; In audio treatment unit 13, audio processing modules 134 connects respectively bluetooth transceiver module 132, data storage 133, audio power amplifying circuit 135, microphone 138, and by data wire 139 attended operation buttons 137, antenna 131 is connected to bluetooth transceiver module 132, and loud speaker 136 is connected to audio power amplifying circuit 135; Bluetooth transceiver module 132 adopts the module of micropower transmitting.
Whether program flow diagram as shown in Figure 3, judges there being mobile phone to exist in parcel tray 21, and 124 conductings of control switch transistor or cut-off.
In use, first by mains switch 121 closures of arranging on guidance panel 22, make the accessory power supply ACC on automobile supply with a DC/DC module 123 by overcurrent fusible link 122, through the voltage stabilizing of a DC/DC module 123, process the required direct voltage VCC1 of output monitoring means 11, also accessory power supply ACC is supplied with to switching transistor 124 collector electrodes simultaneously, monitoring means 11 obtains starting working after voltage VCC1, all LED 112 send specific light under the driving of LED tandem drive module 111, because LED 112 and photosensitive switch pipe 113 are positioned in the both sides up and down of parcel tray 21 correspondingly, if there is no object in parcel tray 21, the light that each LED 112 sends by its one to one photosensitive switch pipe 113 monitor, now photosensitive switch pipe 113 is because being subject to the effect conducting of light, (P0.0---P0.5) port obtains high level to the P0 port of ECU 114, ECU 114 carries out Real-Time Monitoring to its all P0 ports, if low level (0V) in all P0.0-P0.5 ports if port number be more than or equal to m(m=1), ECU 114 thinks in parcel tray 21 has object to put into, this object may be mobile phone (smart mobile phone), first ECU 114 is set to low level (0V) by its P1.0 port, and time delay stipulated time t second, and then its P1.0 port is set to high level, the base stage of the switching transistor 124 joining with P1.0 port is because being subject to high level effect, make switching transistor 124 conductings, accessory power supply ACC is added to the input of the 2nd DC/DC module 125, through the voltage stabilizing of the 2nd DC/DC module 125, process output dc voltage VCC2 supply audio frequency processing unit 13.
When the mobile phone being connected (smart mobile phone) has telephone access, can carry out telephone operation by the operation push-button 137 of arranging on guidance panel 22, thereby the call voice information that 134 pairs of audio processing modules are access in is processed, and with this, reaches the hand-free function of car phone.
Above-described embodiment is a kind of preferably scheme of the present utility model, not the utility model is done to any pro forma restriction, also has other variant and remodeling under the prerequisite that does not exceed the technical scheme that claim records.
Claims (6)
1. a vehicle-mounted evil spirit is blocked audio system, it is characterized in that, comprise circuit system and housing, described circuit system comprises detecting unit, audio treatment unit and working power, described housing comprises parcel tray and the guidance panel that holds mobile phone, and guidance panel is arranged on parcel tray, described detecting unit comprises ECU and is connected to the photosensitive switch pipe of described ECU and as the LED of detection light source, described photosensitive switch pipe and LED correspondence are arranged in parcel tray and make LED illumination be mapped to photosensitive switch pipe, output control connection one electronic switch of described ECU, described electronic switch is serially connected between described working power and the power input of described audio treatment unit, described audio treatment unit comprises audio processing modules, antenna, loud speaker and the bluetooth transceiver module being connected with described audio processing modules, data storage, audio power amplifying circuit, microphone and operation push-button, described antenna connects bluetooth transceiver module, loud speaker connects described audio power amplifying circuit, described operation push-button is arranged on described guidance panel.
2. a kind of vehicle-mounted evil spirit is blocked audio system according to claim 1, it is characterized in that, described working power comprises accessory power supply ACC link, mains switch, overcurrent fusible link, the one DC/DC module and the 2nd DC/DC module, described accessory power supply ACC input is by described mains switch, overcurrent fusible link connects one end of a DC/DC module input and described electronic switch, the other end of electronic switch connects the 2nd DC/DC module input, the one DC/DC module output connects described detecting unit power input, the 2nd DC/DC module output connects the power input of described audio treatment unit.
3. a kind of vehicle-mounted evil spirit is blocked audio system according to claim 2, it is characterized in that, described electronic switch is switching transistor, and the base stage of described switching transistor connects described ECU, collector electrode and connects the input that described overcurrent fusible link, emitter connect described the 2nd DC/DC module.
4. a kind of vehicle-mounted evil spirit card audio system according to claim 1, is characterized in that, the quantity of described photosensitive switch pipe is a plurality of, the identical and corresponding installation one by one of the quantity of the quantity of described LED and described photosensitive switch pipe.
5. according to a kind of vehicle-mounted evil spirit card audio system described in claim 1 or 4, it is characterized in that, described detecting unit also comprises LED tandem drive module, and described LED connects described LED tandem drive module.
6. a kind of vehicle-mounted evil spirit card audio system according to claim 1, is characterized in that, described antenna be arranged on described parcel tray in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320673714.XU CN203574840U (en) | 2013-10-29 | 2013-10-29 | Vehicle-mounted magic card audio system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320673714.XU CN203574840U (en) | 2013-10-29 | 2013-10-29 | Vehicle-mounted magic card audio system |
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| Publication Number | Publication Date |
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| CN203574840U true CN203574840U (en) | 2014-04-30 |
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| CN201320673714.XU Expired - Fee Related CN203574840U (en) | 2013-10-29 | 2013-10-29 | Vehicle-mounted magic card audio system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107889023A (en) * | 2017-11-13 | 2018-04-06 | 厦门傅里叶电子有限公司 | Intelligent audio power amplifier chips and intelligent audio switching method |
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2013
- 2013-10-29 CN CN201320673714.XU patent/CN203574840U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107889023A (en) * | 2017-11-13 | 2018-04-06 | 厦门傅里叶电子有限公司 | Intelligent audio power amplifier chips and intelligent audio switching method |
| CN107889023B (en) * | 2017-11-13 | 2020-07-03 | 厦门傅里叶电子有限公司 | Intelligent sound effect power amplifier chip and intelligent sound effect switching method |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140430 Termination date: 20171029 |
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| CF01 | Termination of patent right due to non-payment of annual fee |