CN103166684A - Vehicle-mounted Bluetooth device - Google Patents

Abstract

The invention relates to a vehicle-mounted Bluetooth device. The vehicle-mounted Bluetooth device can be used as a mobile power supply to charge other electronic equipment. The vehicle-mounted Bluetooth device comprises a Bluetooth module, an operating key, a battery and a power management module, wherein the Bluetooth module is used for wirelessly communicating with a mobile phone of a user, and finishing various Bluetooth functions according to instructions of the user; the battery is used for charging electronic equipment connected with the vehicle-mounted Bluetooth device; and the power management module is used for charging management over the battery, external discharging management over the battery and power supply management over other chips on a circuit. The vehicle-mounted Bluetooth device can be wirelessly connected with the mobile phone for hands-free calls, also can be in wired connection with the electronic equipment to supply power to the electronic equipment and enable the user to conveniently use the electronic equipment, and also can perform file transmission for data information sharing with the electronic equipment.

Description

The on-vehicle Bluetooth device

Technical field

The present invention relates to a kind of on-vehicle Bluetooth device, especially a kind ofly can serve as the on-vehicle Bluetooth device that portable power source charges for other electronic equipments.

Background technology

Vehicle-mounted Bluetooth equipment is present a kind of equipment of common configuration on automobile, it is take the wireless blue tooth technology as the basis, can realize using Bluetooth technology to be connected with mobile phone in normal driving and carry out hand-free call, reach liberation driver's both hands, reduce the purpose of traffic accident hidden danger.

And along with the develop rapidly of electronic technology, the personal electronic equipments kind is on the increase, and is also more and more universal, enters among everyone daily life, the people's of deep impact daily behavior, and people are also more and more higher to the degree of dependence of these electronic equipments.But the not marked improvement along with the develop rapidly of electronic technology of the technology that a bottleneck that limits these electronic equipments is exactly battery, the technological progress degree of battery technology is unable to catch up with the development speed of electronic technology far away, so these electronic equipments all are faced with the shortcoming of battery electric quantity deficiency, its built-in battery often can not satisfy the needs of abundant use, its cruising time is generally all ofer short duration, when bringing convenience to people, the corresponding worry of also bringing to people.In this case, people have released the stand-by power supply that portable power source is used as these electronic equipments, after the electric weight of the built-in battery of these electronic equipments is finished, people can use these portable power sources to provide its operation required electric weight for these battery apparatus, but like this, people need to consume additional expense and buy a portable power source, simultaneously, these portable power source volume ratios are huger, carry not to be easily to use just all the more so.

Summary of the invention

Short cruising time for solving the electronic equipment that exists in above-mentioned prior art, be difficult to satisfy the deficiency that people use needs, the invention provides and a kind ofly can serve as portable power source, have the on-vehicle Bluetooth device of the function of charging for electronic equipment.

On-vehicle Bluetooth device provided by the invention comprises bluetooth module, operation push-button, also comprises battery, power management module; Wherein, bluetooth module be used for and user mobile phone between carry out radio communication, complete various Bluetooth functions according to user's instruction; Battery is used for charging to the electronic equipment that is connected with the on-vehicle Bluetooth device; Power management module is used for externally the discharge management and to the power supply management of other chips on circuit of Charge Management, battery to battery.

Preferably, described on-vehicle Bluetooth device also comprises connecting interface, and this connecting interface is used for being connected with electronic equipment; During connection, the battery in the on-vehicle Bluetooth device can charge to electronic equipment, also can carry out file transfer and data information sharing between on-vehicle Bluetooth device and electronic equipment.

Preferably, described on-vehicle Bluetooth device has a plurality of different connecting interfaces, and it has respectively different output voltages, charges to different types of electronic equipment.

Preferably, described connecting interface has USB interface.

Preferably, described connecting interface has 3 USB interface, and its output voltage is respectively 2.5V-3.5V, 3.5V-4.5V, 4.5V-6V.

Preferably, described USB interface comprises USB 2.0 interfaces.

Preferably, described USB interface comprises USB 3.0 interfaces

Preferably, described on-vehicle Bluetooth device also comprises data wire.

Preferably, described data wire one end is USB interface, is complementary with USB interface on the on-vehicle Bluetooth device, and the other end has USB interface, mini USB interface, micro USB interface, Lightning interface and is linked into respectively on different electronic equipments.

Preferably, described on-vehicle Bluetooth device also comprises indicator light.

Preferred hand, described on-vehicle Bluetooth device also comprises microphone.

Preferably, described on-vehicle Bluetooth device also comprises loud speaker.

Preferably, described battery is lithium ion battery.

Preferably, described battery is lithium polymer battery.

The present invention also provides a kind of photoinduction switching controls bluetooth earphone, and it comprises: the earphone main frame is provided with the Bluetooth transmission module, to carry out the signal transmission with other electronic equipment with bluetooth; Electric power management circuit is arranged in bluetooth earphone, for bluetooth earphone each several part circuit provides stable voltage; Storage battery is arranged in this bluetooth earphone, in order to supply with this earphone main frame electric energy; Power supply supply interface electrically is connected with this storage battery, to receive micro universal USB to this charge in batteries; Also comprise micro universal USB, described micro universal USB electrically is connected with described storage battery; Described bluetooth earphone inside is provided with light sensor.

The intelligent optical dependent sensor, can detect the user and whether wear earphone, if the user wears earphone, be after the user is with earphone, can block photosensitive light inlet, light sensor can produce a level variation like this, data processing chip is the circuit of digital signal by the analog signal conversion of AD(circuit the inside) sampling, compare with pre-set limit, thereby judge whether the user wears earphone, and then control the mode of answering.

Preferably, described micro universal USB can connect the interior cigar lighter of car to carry out the charging to described bluetooth earphone.

General, based on two groups of power supplys of Bluetooth chip needs of ARM or DSP technology, to kernel and I/O power supply, microphone needs a stable bias voltage respectively, and simultaneously, loud speaker and amplifying circuit also need power supply that enough drive currents are provided.Like this, at first need a battery charging chip, secondly the external electric energy that will come from micro universal USB being stored in lithium battery rapidly and efficiently need 2-3 power conversion chips, for each several part provides stable reference voltage and output current.Consider time and the cost of use, rechargeable battery is best selection, accomplish profile small and exquisite, lightweight be very important, so just require to select the higher battery of a kind of Unit Weight charge density, and lithium polymer battery meets above-mentioned requirements, as lithium battery.

Preferably, but the secondary cell that described storage battery is recharge to be used.

In such scheme preferably, but the secondary cell that described recharge uses is nickel-cadmium cell.

In such scheme preferably, but the secondary cell that described recharge uses is Ni-MH battery or lithium battery.

In such scheme preferably, but the secondary cell that described recharge uses is lithium battery.

Preferably, be provided with a battery charging chip in described earphone main frame in such scheme, will be stored in storage battery from the external electric energy of micro universal USB.

Preferably, also be provided with power conversion chip in described earphone main frame in such scheme, for the each several part circuit provides stable reference voltage and output current.

Preferably, two loud speakers are installed on described earphone main frame in such scheme, are respectively earpiece speaker and outgoing loudspeaker.Two loud speakers have a job simultaneously, earpiece speaker work when secret is answered, outgoing loudspeaker work during hands-free answering, outgoing loudspeaker is connected with power amplification circuit, power amplification circuit amplifies the audio signal that the Bluetooth chip decoding is come, for the user provides enough volumes, reach outer purpose of putting.

In such scheme, preferably, described electric power management circuit is connected with reset circuit, resets for the earphone main frame provides electrification reset, lower reset and low-voltage.

In such scheme, preferably, described electric power management circuit also is connected with power amplification circuit, and power amplification circuit amplifies the audio signal that the Bluetooth chip decoding is come, and for the user provides enough volumes, reaches outer purpose of putting.

In such scheme, preferably, described earphone main frame also comprises bluetooth process chip and data processing chip.

In such scheme, preferably, described bluetooth process chip and data processing chip comprise the functional module that wireless transceiver, baseband controller, flash memory, clock and power supply are controlled.

The core of bluetooth earphone is bluetooth process chip and data processing chip, this part comprises: the functional modules such as wireless transceiver, baseband controller, flash memory, clock and power supply, there are at present a lot of major companies that general bluetooth process chip is arranged, only need to select suitable peripheral components to get final product during design.In such scheme, preferably, described earphone main frame also comprises radio circuit, realizes the sending and receiving of wireless signal, realizes data communication between bluetooth earphone and mobile phone.

In such scheme, preferably, described earphone main frame is provided with multiple spot and connects and two microphones.

Preferably, also be furnished with Bluetooth antenna on described earphone main frame in such scheme, realize that Bluetooth signal receives and emission.

In such scheme, preferably, described Bluetooth antenna is at least a in wire antenna or microstrip antenna or array antenna or horn antenna.

In such scheme, preferably, described bluetooth process chip is connected with button with data processing chip, for mutual control is provided between user and system, realizes the operations such as switching on and shutting down, pattern are switched, quiet, volume adjusting.

In such scheme, preferably, described User's Interface place also is provided with indicator light, and the combination flashing mode by the different colours indicator light carries out the operations such as bluetooth discovery, successful matching, incoming call, charging for the user provide information.

The present invention also provides a kind of bluetooth earphone of capacitive distance induction switching controls, and it comprises: the earphone main frame is provided with the Bluetooth transmission module, to carry out the signal transmission with other electronic equipment with bluetooth; Electric power management circuit is arranged in bluetooth earphone, for bluetooth earphone each several part circuit provides stable voltage; Storage battery is arranged in this bluetooth earphone, in order to supply with this earphone main frame electric energy; Power supply supply interface electrically is connected with this storage battery, to receive micro universal USB to this charge in batteries; Also comprise micro universal USB, described micro universal USB electrically is connected with described storage battery; Described bluetooth earphone inside is provided with the capacitive distance transducer.

Intelligent capacitance distance perspective induction sensor, control by rational distance, can detect the user and whether wear earphone, if the user wears earphone, be to reach predeterminable range between the inner metal pad that arranges of human body skin and earphone, the capacitive distance inductive pick-up just produces a response, sends to data processing chip, and then controls the mode of answering.

Preferably, described micro universal USB can connect the interior cigar lighter of car to carry out the charging to described bluetooth earphone.

General, based on two groups of power supplys of Bluetooth chip needs of ARM or DSP technology, to kernel and I/O power supply, microphone needs a stable bias voltage respectively, and simultaneously, loud speaker and amplifying circuit also need power supply that enough drive currents are provided.Like this, at first need a battery charging chip, secondly the external electric energy that will come from micro universal USB being stored in lithium battery rapidly and efficiently need 2-3 power conversion chips, for each several part provides stable reference voltage and output current.Consider time and the cost of use, rechargeable battery is best selection, accomplish profile small and exquisite, lightweight be very important, so just require to select the higher battery of a kind of Unit Weight charge density, and lithium polymer battery meets above-mentioned requirements, as lithium battery.

Preferably, but the secondary cell that described storage battery is recharge to be used.

In such scheme preferably, but the secondary cell that described recharge uses is nickel-cadmium cell.

In such scheme preferably, but the secondary cell that described recharge uses is Ni-MH battery or lithium battery.

In such scheme preferably, but the secondary cell that described recharge uses is lithium battery.

Preferably, be provided with a battery charging chip in described earphone main frame in such scheme, will be stored in storage battery from the external electric energy of micro universal USB.

Preferably, also be provided with power conversion chip in described earphone main frame in such scheme, for the each several part circuit provides stable reference voltage and output current.

Preferably, two loud speakers are installed on described earphone main frame in such scheme, are respectively earpiece speaker and outgoing loudspeaker.Two loud speakers have a job simultaneously, earpiece speaker work when secret is answered, outgoing loudspeaker work during hands-free answering, outgoing loudspeaker is connected with power amplification circuit, power amplification circuit amplifies the audio signal that the Bluetooth chip decoding is come, for the user provides enough volumes, reach outer purpose of putting.

In such scheme, preferably, described electric power management circuit is connected with reset circuit, resets for the earphone main frame provides electrification reset, lower reset and low-voltage.

In such scheme, preferably, described electric power management circuit also is connected with power amplification circuit, and power amplification circuit amplifies the audio signal that the Bluetooth chip decoding is come, and for the user provides enough volumes, reaches outer purpose of putting.

In such scheme, preferably, described earphone main frame also comprises bluetooth process chip and data processing chip.

In such scheme, preferably, described bluetooth process chip and data processing chip comprise the functional module that wireless transceiver, baseband controller, flash memory, clock and power supply are controlled.

The core of bluetooth earphone is bluetooth process chip and data processing chip, this part comprises: the functional modules such as wireless transceiver, baseband controller, flash memory, clock and power supply, there are at present a lot of major companies that general bluetooth process chip is arranged, only need to select suitable peripheral components to get final product during design.In such scheme, preferably, described earphone main frame also comprises radio circuit, realizes the sending and receiving of wireless signal, realizes data communication between bluetooth earphone and mobile phone.

In such scheme, preferably, described earphone main frame is provided with multiple spot and connects and two microphones.

Preferably, also be furnished with Bluetooth antenna on described earphone main frame in such scheme, realize that Bluetooth signal receives and emission.

In such scheme, preferably, described Bluetooth antenna is at least a in wire antenna or microstrip antenna or array antenna or horn antenna.

In such scheme, preferably, described bluetooth process chip is connected with button with data processing chip, for mutual control is provided between user and system, realizes the operations such as switching on and shutting down, pattern are switched, quiet, volume adjusting.

In such scheme, preferably, described User's Interface place also is provided with indicator light, and the combination flashing mode by the different colours indicator light carries out the operations such as bluetooth discovery, successful matching, incoming call, charging for the user provide information.

The present invention also provides a kind of solar charging type Bluetooth earphone, and it comprises: the earphone main frame is provided with the Bluetooth transmission module, to realize the transmission of bluetooth; Electric power management circuit is arranged in bluetooth earphone, for bluetooth earphone each several part circuit provides stable voltage; Storage battery is arranged in this bluetooth earphone, in order to supply with this earphone main frame electric energy; Power supply supply interface electrically is connected with this storage battery, to receive external power source to this charge in batteries; Also comprise the solar recharging seat, this cradle is arranged on the side window glass of vehicle by sucker; Described bluetooth earphone inside is provided with light sensor.

The intelligent optical dependent sensor, can detect the user and whether wear earphone, if the user wears earphone, be after the user is with earphone, can block photosensitive light inlet, light sensor can produce a level variation like this, data processing chip is the circuit of digital signal by the analog signal conversion of AD(circuit the inside) sampling, compare with pre-set limit, thereby judge whether the user wears earphone, and then control the mode of answering.

Preferably, in described solar recharging seat, the polycrystalline silicon solar charging panel is housed.The polycrystalline silicon solar charging panel can be converted to electric energy with solar energy quickly and efficiently, can certainly select mono-crystalline silicon solar charging panel, diversification solar charging panel etc.

General, based on two groups of power supplys of Bluetooth chip needs of ARM or DSP technology, to kernel and I/O power supply, microphone needs a stable bias voltage respectively, and simultaneously, loud speaker and amplifying circuit also need power supply that enough drive currents are provided.Like this, at first need a battery charging chip, secondly the external electric energy that will come from solar charging panel being stored in lithium battery rapidly and efficiently need 2-3 power conversion chips, for each several part provides stable reference voltage and output current.Consider time and the cost of use, rechargeable battery is best selection, accomplish profile small and exquisite, lightweight be very important, so just require to select the higher battery of a kind of Unit Weight charge density, and lithium polymer battery meets above-mentioned requirements, as lithium battery.

Preferably, but the secondary cell that described storage battery is recharge to be used.

In such scheme preferably, but the secondary cell that described recharge uses is nickel-cadmium cell.

In such scheme preferably, but the secondary cell that described recharge uses is Ni-MH battery or lithium battery.

In such scheme preferably, but the secondary cell that described recharge uses is lithium battery.

Vehicle, it is equipped with bluetooth earphone, and described bluetooth earphone is the bluetooth earphone of above-mentioned arbitrary claim.

Preferably, be provided with a battery charging chip in described earphone main frame in such scheme, will be stored in storage battery from the external electric energy of solar charging panel.

Preferably, also be provided with power conversion chip in described earphone main frame in such scheme, for the each several part circuit provides stable reference voltage and output current.

Preferably, two loud speakers are installed on described earphone main frame in such scheme, are respectively earpiece speaker and outgoing loudspeaker.Two loud speakers have a job simultaneously, earpiece speaker work when secret is answered, outgoing loudspeaker work during hands-free answering, outgoing loudspeaker is connected with power amplification circuit, power amplification circuit amplifies the audio signal that the Bluetooth chip decoding is come, for the user provides enough volumes, reach outer purpose of putting.

In such scheme, preferably, described electric power management circuit is connected with reset circuit, resets for the earphone main frame provides electrification reset, lower reset and low-voltage.

In such scheme, preferably, described electric power management circuit also is connected with power amplification circuit, and power amplification circuit amplifies the audio signal that the Bluetooth chip decoding is come, and for the user provides enough volumes, reaches outer purpose of putting.

In such scheme, preferably, described earphone main frame also comprises bluetooth process chip and data processing chip.

In such scheme, preferably, described bluetooth process chip and data processing chip comprise the functional module of wireless transceiver, baseband controller, flash memory, clock and power supply.

The core of bluetooth earphone is bluetooth process chip and data processing chip, this part comprises: the functional modules such as wireless transceiver, baseband controller, flash memory, clock and power supply, there are at present a lot of major companies that general bluetooth process chip is arranged, only need to select suitable peripheral components to get final product during design.In such scheme, preferably, described earphone main frame also comprises radio circuit, realizes the sending and receiving of wireless signal, realizes data communication between bluetooth earphone and mobile phone.

In such scheme, preferably, described earphone main frame is provided with multiple spot and connects and two microphones.

Preferably, also be furnished with Bluetooth antenna on described earphone main frame in such scheme, realize that Bluetooth signal receives and emission.

In such scheme, preferably, described Bluetooth antenna is at least a in wire antenna or microstrip antenna or array antenna or horn antenna.

In such scheme, preferably, described bluetooth process chip and data processing chip and button for mutual control is provided between user and system, are realized the operations such as switching on and shutting down, pattern are switched, quiet, volume adjusting.

In such scheme, preferably, described User's Interface place also is provided with indicator light, and the combination flashing mode by the different colours indicator light carries out the operations such as bluetooth discovery, successful matching, incoming call, charging for the user provide information.

The present invention also provides a kind of on-vehicle Bluetooth device, it comprises power management module, bluetooth module, Sound control module, ultrasonic wave module and user interface, wherein, be electrically connected between power management module and bluetooth module, Sound control module and ultrasonic wave module, have signal between bluetooth module, Sound control module and three modules of ultrasonic wave module and connect.

Preferably, power management module is connected with external power source, and comprises charging management chip, battery and power supply chip.

Preferably, bluetooth module is connected with the microphone of outside in above-mentioned arbitrary scheme, and comprises Bluetooth chip, flash chip and communication antenna.

Preferably, the Sound control module comprises power amplification chip and loud speaker in above-mentioned arbitrary scheme.

Preferably, be provided with function button and indicator light on user interface in above-mentioned arbitrary scheme.

On-vehicle Bluetooth device provided by the invention is realizing being connected on the basis of the function of carrying out hand-free call with mobile phone by the wireless blue tooth technology, can also be connected with various electronic equipments, utilize the electric weight that stores in battery in the on-vehicle Bluetooth device that it is charged, the user can be charged to the electronic equipment of carrying in the process of driving/go for a ride, prevent that it from can't use because electric weight uses up, and brings great convenience to people.

In preferred version of the present invention, the on-vehicle Bluetooth device has connecting interface, is connected with various electronic equipments by connecting interface, and it is charged; And, during connection, can carry out file transfer and data information sharing between on-vehicle Bluetooth device and electronic equipment.In the further preferred version of this preferred version, the on-vehicle Bluetooth device has a plurality of interfaces, has different output voltages between each interface, and it can be charged to various electronic equipment.

In preferred version of the present invention, connecting interface has USB interface, because a lot of electronic equipments all use USB interface, the connecting interface of on-vehicle Bluetooth device uses USB interface, can improve the on-vehicle Bluetooth device to the versatility of electronic equipment charging, it can be charged to electronic equipment as much as possible.

In preferred version of the present invention, the on-vehicle Bluetooth device also has data wire, the one end is connected with connecting interface, the other end has the different interface such as USB interface, mini USB interface, micro USB interface, Lightning interface in order to connect different electronic equipments, prevent the user and only carry electronic equipment, and do not carry or when leaving behind data wire the awkward situation that can't use the on-vehicle Bluetooth device to charge.

In preferred version of the present invention, the on-vehicle Bluetooth device also has indicator light, microphone and loud speaker, wherein, indicator light is bright or do not work by it, and show that different colors passes on different information to the user, microphone is used for sound import and is transferred to cell phone apparatus by bluetooth module, and loud speaker is used for cell phone apparatus the opposing party's conversation sound and other sound that send thereof are externally exported, and passes to the user.

Description of drawings

Fig. 1 is the principle schematic according to the first preferred implementation of on-vehicle Bluetooth device of the present invention;

Fig. 2 is the schematic diagram of the connecting interface of execution mode shown in Figure 1;

Fig. 3 is the principle schematic according to the second preferred implementation of on-vehicle Bluetooth device of the present invention;

Fig. 4 is the schematic diagram of the connecting interface of execution mode shown in Figure 3.

Embodiment

Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.

Please refer to Fig. 1, Fig. 1 is the principle schematic according to the first preferred implementation of on-vehicle Bluetooth device of the present invention.As shown in Figure 1, the on-vehicle Bluetooth device comprises bluetooth module, operation push-button, indicator light, microphone, loud speaker, power management module, battery.

Bluetooth module be used for and and user mobile phone between carry out radio communication, complete various Bluetooth functions according to the instruction that is used for, it is built-in with Bluetooth chip, Flash chip, communication antenna, and completes above-mentioned functions by this Bluetooth chip, Flash chip, communication antenna.

Operation push-button is used for inputting various instructions for the user and comprises with the radio communication of cell phone apparatus, to the various instructions of the charging of cell phone apparatus and other electronic equipments; Indicator light is used for passing on different information to the user, and it mainly by the lighting, extinguish and show that different colors passes on indicator light from various information to the user, makes the user make different commands to the on-vehicle Bluetooth device according to its above-mentioned information that provides.

Microphone and loud speaker are used for completing user and the on-vehicle Bluetooth device carries out information interaction, and carry out information interaction by on-vehicle Bluetooth device and cell phone apparatus and other equipment.Wherein, microphone is used for sound import and is transferred to cell phone apparatus by bluetooth module, and loud speaker is used for cell phone apparatus the opposing party's conversation sound and other sound that send thereof are externally exported, and passes to the user.

Battery is used to the power supply of on-vehicle Bluetooth device, and to the electronic equipment charging that is connected with the on-vehicle Bluetooth device.

Power management module is used for externally the discharge management and to the power supply management of other chips on circuit of Charge Management, battery to battery.

The on-vehicle Bluetooth device can carry out hand-free call by bluetooth module and cell phone apparatus, is that the electronic equipment charging connects to complete by data wire with electronic equipment by the connecting interface of being located on the on-vehicle Bluetooth device; During connection, except to electronic equipment charges, also can carry out file transfer and information sharing between on-vehicle Bluetooth device and electronic equipment; And wired connection can and not have between the electronic equipment of Bluetooth function at the on-vehicle Bluetooth device yet and carries out file transfer and information interaction, and this is that blue tooth wireless technology can not be accomplished.

Please refer to Fig. 2, Fig. 2 is the schematic diagram of the connecting interface of execution mode shown in Figure 1.As shown in Figure 2, connecting interface is 1 usb 1, due to USB interface versatility widely, this connecting interface can with more equipment connection.

This usb 1 is USB 2.0 interfaces, USB 2.0 interfaces are the standard usb interface of generally using now, so this interface adopts USB 2.0 interfaces that meet USB 2.0 standards as connecting interface, can enlarge to greatest extent the scope that can use, can connect maximum electronic equipments.

As required, for obtaining file transfer speed faster, this usb 1 also can adopt USB 3.0 interfaces that meet USB 3.0 standards, USB 3.0 interfaces are as interface standard of future generation, it is compared present USB 2.0 interfaces and has huge progress, its file transfer speed is faster, and the efficient that data are processed is higher, also can make main frame for during more power is provided.With regard to present embodiment, adopting the benefit of USB 3.0 interface maximums is that file transfer speed is faster, and to use USB 3.0 interface connecting electronic equipment be that the efficient of its charging is faster, and the required time is shorter.

Except usb 1, the on-vehicle Bluetooth device also has a data wire, this data wire one end is similarly USB interface, engage with the usb 1 on the on-vehicle Bluetooth device, the other end has USB interface commonly used, mini USB interface, micro USB interface, Lightning interface etc., is respectively used to connect different electronic equipments.Be data wire of on-vehicle Bluetooth device configuration, can only carry electronic equipment the user, and when not carrying its corresponding data wire, do not affect the on-vehicle Bluetooth device and be electronic equipment charging and on-vehicle Bluetooth device and electronic equipment and carry out file transfer and information interaction.

The battery that the on-vehicle Bluetooth device comprises is lithium battery or lithium polymer battery, and lithium battery/lithium polymer battery can fully satisfy as the at present most widely used general and best battery of technique effect the needs that on-vehicle Bluetooth device self is required and charge for electronic equipment.

Still workflow and the operation principle of 1 pair of present embodiment are described the below by reference to the accompanying drawings.

at first, when the on-vehicle Bluetooth device works, there is external power source that the battery of on-vehicle Bluetooth device is charged, support the work of on-vehicle Bluetooth device, the bluetooth module that the on-vehicle Bluetooth device comprises is built-in with Bluetooth chip, the Flash chip, communication antenna, and bluetooth module is connected with microphone and loud speaker, and---comprise that function button is connected with indicator light---with user interface and be connected, the user sends instruction by the function button in user interface, be connected with cell phone apparatus by bluetooth module, indicate it to call or access phone, the transmission sound of the user being sent by microphone is given the personnel that are positioned at the cell phone apparatus other end, by loud speaker, the sound that the personnel of the cell phone apparatus other end send is put outward, pass to the user.

When using the on-vehicle Bluetooth device that electronic equipment is charged, electronic equipment is connected with usb 1 on the on-vehicle Bluetooth device.In this connection procedure, can use the original-pack data wire of electronic equipment, and in the situation that do not carry original-pack data wire, the data wire that also can use the on-vehicle Bluetooth device to have connects.After connection, power management module is controlled battery and is charged to electronic equipment.In this process, if the battery electric quantity of on-vehicle Bluetooth device is not enough, external power source can charge to the battery that the on-vehicle Bluetooth device has, the battery of on-vehicle Bluetooth device charges to electronic equipment simultaneously, be the battery that has of on-vehicle Bluetooth device in the situation that its electric weight deficiency, its charge and discharge process is carried out simultaneously.

Be that in the process of electronic equipment charging, electronic equipment is connected with the on-vehicle Bluetooth module at above-mentioned on-vehicle Bluetooth device, when charging, can carry out between electronic equipment and on-vehicle Bluetooth device the transmission of file and information data alternately.Such as, the on-vehicle Bluetooth device can read the music, video, picture, photo of the electronic equipments such as mobile phone, MP3, digital camera, panel computer storage etc., and with these music by loud speaker play, video is presented on the vehicle-mounted liquid crystal screen curtain by the broadcast of vehicle-mounted liquid crystal screen curtain, picture and photo; Perhaps the on-vehicle Bluetooth device is transferred to the music of storing in electronic equipment, video, picture, photo etc. on vehicle-mounted memory, or the file transfer on vehicle-mounted memory is first-class to electronic equipment.

Please refer to Fig. 3, Fig. 3 is the principle schematic according to the second preferred implementation of on-vehicle Bluetooth device of the present invention.As shown in Figure 3, the on-vehicle Bluetooth device comprises bluetooth module, operation push-button, indicator light, microphone, loud speaker, power management module, battery.

Bluetooth module be used for and and user mobile phone between carry out radio communication, complete various Bluetooth functions according to the instruction that is used for, it is built-in with Bluetooth chip, Flash chip, communication antenna, and completes above-mentioned functions by this Bluetooth chip, Flash chip, communication antenna.

Operation push-button is used for inputting various instructions for the user and comprises with the radio communication of cell phone apparatus, to the various instructions of the charging of cell phone apparatus and other electronic equipments; Indicator light is used for passing on different information to the user, and it mainly by the lighting, extinguish and show that different colors passes on indicator light from various information to the user, makes the user make different commands to the on-vehicle Bluetooth device according to its above-mentioned information that provides.

Microphone and loud speaker are used for completing user and the on-vehicle Bluetooth device carries out information interaction, and carry out information interaction by on-vehicle Bluetooth device and cell phone apparatus and other equipment.Wherein, microphone is used for sound import and is transferred to cell phone apparatus by bluetooth module, and loud speaker is used for cell phone apparatus the opposing party's conversation sound and other sound that send thereof are externally exported, and passes to the user.

Battery is used to the power supply of on-vehicle Bluetooth device, and to the electronic equipment charging that is connected with the on-vehicle Bluetooth device.

Power management module is used for externally the discharge management and to the power supply management of other chips on circuit of Charge Management, battery to battery.

The on-vehicle Bluetooth device can carry out hand-free call by bluetooth module and cell phone apparatus, is that the electronic equipment charging connects to complete by data wire with electronic equipment by the connecting interface of being located on the on-vehicle Bluetooth device; During connection, except to electronic equipment charges, also can carry out file transfer and information sharing between on-vehicle Bluetooth device and electronic equipment; And wired connection can and not have between the electronic equipment of Bluetooth function at the on-vehicle Bluetooth device yet and carries out file transfer and information interaction, and this is that blue tooth wireless technology can not be accomplished.

Please refer to Fig. 4, Fig. 4 is the schematic diagram of the connecting interface of execution mode shown in Figure 3.As shown in Figure 4, connecting interface is 3usb 1s, 2,3, due to USB interface versatility widely, this connecting interface can with more equipment connection.

3usb 1s, 2,3 are USB 2.0 interfaces, USB 2.0 interfaces are the standard usb interface of generally using now, so adopting, this interface meets USB 2.0 interfaces of USB 2.0 standards as connecting interface, the scope that can use can be enlarged to greatest extent, maximum electronic equipments can be connected.

As required, for obtaining file transfer speed faster, thisusb 1,2,3 also can adopt USB 3.0 interfaces that meet USB 3.0 standards, USB 3.0 interfaces are as interface standard of future generation, it is compared present USB 2.0 interfaces and has huge progress, its file transfer speed is faster, and the efficient that data are processed is higher, also can make main frame for during more power is provided.With regard to present embodiment, adopting the benefit of USB 3.0 interface maximums is that file transfer speed is faster, and to use USB 3.0 interface connecting electronic equipment be that the efficient of its charging is faster, and the required time is shorter.

3usb 1s, 2,3 have different output voltages, are respectively 2.5V-3.5V, 3.5V-4.5V, and 4.5V-6V is used for charging to various different types of electronic equipments.

According to the needs of reality charging, above-mentioned 3usb 1s, 2,3 output voltage can also be arranged to other numerical value.Such as, according to the actual needs of charging, above-mentioned 3usb 1s, 2,3 output voltage are made as 1V-3V, 3V-6V, 6V-15V etc.

Except USB interface, the on-vehicle Bluetooth device also has a data wire, this data wire one end is similarly USB interface, engage with the USB interface on the on-vehicle Bluetooth device, the other end has USB interface commonly used, mini USB interface, micro USB interface, Lightning interface etc., is respectively used to connect different electronic equipments.Be data wire of on-vehicle Bluetooth device configuration, can only carry electronic equipment the user, and when not carrying its corresponding data wire, do not affect the on-vehicle Bluetooth device and be electronic equipment charging and on-vehicle Bluetooth device and electronic equipment and carry out file transfer and information interaction.

The battery that the on-vehicle Bluetooth device comprises is lithium battery or lithium polymer battery, and lithium battery/lithium polymer battery can fully satisfy as the at present most widely used general and best battery of technique effect the needs that on-vehicle Bluetooth device self is required and charge for electronic equipment.

The above describes in detail the specific embodiment of the present invention by reference to the accompanying drawings; it must be noted that; but the present invention is not limited to above-mentioned execution mode; the combination in any that also comprises each technical scheme in above-mentioned execution mode; simultaneously; in the ken that the general technical staff of the technical field of the invention possesses, can also make various variations under the prerequisite that does not break away from aim of the present invention, it all belongs to protection scope of the present invention.

Claims (10)

1. an on-vehicle Bluetooth device, comprise bluetooth module, operation push-button, it is characterized in that, also comprises battery, power management module; Wherein, bluetooth module be used for and user mobile phone between carry out radio communication, complete various Bluetooth functions according to user's instruction; Battery is used for charging to the electronic equipment that is connected with the on-vehicle Bluetooth device; Power management module is used for externally the discharge management and to the power supply management of other chips on circuit of Charge Management, battery to battery.

2. on-vehicle Bluetooth device according to claim 1, is characterized in that, described on-vehicle Bluetooth device also comprises connecting interface, and this connecting interface is used for being connected with electronic equipment; During connection, the battery in the on-vehicle Bluetooth device can charge to electronic equipment, also can carry out file transfer and data information sharing between on-vehicle Bluetooth device and electronic equipment.

3. on-vehicle Bluetooth device according to claim 2, is characterized in that, described on-vehicle Bluetooth device has a plurality of different connecting interfaces, and it has respectively different output voltages, charges to different types of electronic equipment.

4. according to claim 2 or 3 described on-vehicle Bluetooth devices, is characterized in that, described connecting interface has USB interface.

5. on-vehicle Bluetooth device according to claim 4, is characterized in that, described connecting interface has 3 USB interface, and its output voltage is respectively 2.5V-3.5V, 3.5V-4.5V, 4.5V-6V.

6. on-vehicle Bluetooth device according to claim 4, is characterized in that, described USB interface comprises USB 2.0 interfaces.

7. on-vehicle Bluetooth device according to claim 4, is characterized in that, described USB interface comprises USB 3.0 interfaces.

8. on-vehicle Bluetooth device according to claim 1, is characterized in that, described on-vehicle Bluetooth device also comprises data wire.

9. on-vehicle Bluetooth device according to claim 8, it is characterized in that, described data wire one end is USB interface, be complementary with the USB interface on the on-vehicle Bluetooth device, the other end has USB interface, mini USB interface, micro USB interface, Lightning interface and is linked into respectively on different electronic equipments.

10. on-vehicle Bluetooth device according to claim 1, is characterized in that, described on-vehicle Bluetooth device also comprises indicator light.

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