CN204833250U - USB device and on -vehicle system - Google Patents
USB device and on -vehicle system Download PDFInfo
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- CN204833250U CN204833250U CN201520456545.3U CN201520456545U CN204833250U CN 204833250 U CN204833250 U CN 204833250U CN 201520456545 U CN201520456545 U CN 201520456545U CN 204833250 U CN204833250 U CN 204833250U
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Abstract
The utility model is suitable for an equipment data interface technical field provides a USB device and on -vehicle system, the USB device includes: the USB flash disk main part, the front end of USB flash disk main part is equipped with the USB interface, the USB flash disk main part includes: with the USB interface is connected has a MCU of USB OTG function, and with wireless communication module and storage module that the MCU that has a USB OTG function is connected. Through the utility model discloses, can effectively solve current mobile unit at broadcast audio/video data's in -process, the content of if necessary in to the USB device is updated, then need with the USB device switches the mode to data transmission, leads to the problem of the time -out of voice data broadcast.
Description
Technical field
The utility model belongs to device data interfacing field, particularly relates to USB device and onboard system.
Background technology
Along with the progress of expanding economy, society, automobile has become the main vehicles of people.Meanwhile, automobile starts to become popular consumer goods gradually, and the consumer group of automobile is in continuous expansion, and the requirement of consumer to automobile is also more and more higher.Therefore, the fast development of the vehicle information terminal equipment (also claim mobile unit) relevant to automobile is facilitated to a certain extent.
Existing mobile unit, based on mobile communication and Internet technology, provides navigation, transport information, the function such as emergent to user.And, various multimedia service can also be provided, the reception of such as broadcast TV program, the broadcasting etc. of the local audio frequency and video such as film, music.
Existing mobile unit, when playing local audio, video data, is generally from the USB device be connected with described mobile unit, read audio, video data play.But, existing in the process of mobile unit playing audio-video data, if need to upgrade the content in USB device, then need described USB device to be switched to data-transmission mode, cause the time-out that voice data is play, affect Consumer's Experience.
Utility model content
Given this, the utility model embodiment provides a kind of USB device and onboard system, existing in the process of mobile unit playing audio-video data to solve, if need to upgrade the content in USB device, then need described USB device to be switched to data-transmission mode, the problem of the time-out causing voice data to be play.
The utility model embodiment is achieved in that a kind of USB device, comprises USB flash disk main body, and the front end of described USB flash disk main body is provided with USB interface, and described USB flash disk main body comprises:
The MCU with USBOTG function be connected with described USB interface,
And with the described wireless communication module that is connected with the MCU of USBOTG function and memory module.
Preferably, described wireless communication module is WIFI module.
Preferably, described memory module is TF card.
The utility model embodiment also provides a kind of onboard system, and described onboard system comprises described USB device,
The car-mounted terminal be connected with described USB device; And
The mobile terminal communicated with described USB device.
Preferably, described mobile terminal is mobile phone, panel computer or notebook computer.
The beneficial effect that the utility model embodiment compared with prior art exists is: the utility model embodiment adds wireless communication module and the MCU with USBOTG function in USB device, by the MCU with USBOTG function, make mobile unit directly can read data in USB device.Meanwhile, by described wireless communication module, user is facilitated directly the data in mobile terminal to be transferred to described USB device by the mode of wireless transmission.Because digital independent is different from the mode of write, therefore mobile unit is in the process of carrying out digital independent, the write of mobile terminal data can not be had influence on, thus effectively can solve existing mobile unit in the process of playing audio-video data, if need to upgrade the content in USB device, then need described USB device to be switched to data-transmission mode, the problem of the time-out causing voice data to be play, effectively improve Consumer's Experience, there is stronger ease for use and practicality.
Accompanying drawing explanation
Fig. 1 is the composition structural drawing of the USB device that the utility model embodiment provides;
Fig. 2 is the composition structural drawing of the onboard system that the utility model embodiment provides.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Fig. 1 shows the composition structure of the USB device that the utility model embodiment provides, and for convenience of explanation, illustrate only the part relevant to the utility model.
USB device 1 comprises USB flash disk main body 11 and usb 12, and described usb 12 is placed in USB flash disk main body 11 front end,
Described usb 12 for connecting terminal device, such as car-mounted terminal.
Comprise in described USB flash disk main body 11:
The micro-control unit 111 (MicrocontrollerUnit, MCU) with USBOTG function be connected with described usb 12; The described micro-control unit 111 with USBOTG function can be USBOTG single-chip microcomputer, or with the chip of USBOTG function and the combination of single-chip microcomputer.
And with the described wireless communication module 112 that is connected with the MCU111 of USBOTG function and memory module 113.
Described wireless communication module 112 is connected with the described MCU111 with USBOTG function, can be used for realizing the communication between USB device 1 and mobile terminal; Described wireless communication module 112 can send and receive the 2G signal of GMS standard, TD-SCDMA, WCDMA, CDMA2000 standard 3G signal or/and WiFi signal etc.
Described memory module 113 is connected with the described MCU111 with USBOTG function, for realizing the function identical with USB flash disk, comprises the functions such as the reading and writing of data, storage.
Preferably, described memory module 113 can be TF card or SD card etc.
Optionally, described USB flash disk main body 11 is also provided with reset switch, can be used for described USB device 1 to return to Default Value, facilitate user to reset after forgetting the password of wireless communication module.
Optionally, described USB flash disk main body 11 can also comprise an electronic horn, and described electronic horn is connected with described MCU111.Described electronic horn is made up of language integrated package and power amplifier block and peripheral resistor-capacitor unit, sonic switch, loudspeaker, and described electronic horn is used for when described USB device 1 switching working mode, sends prompt tone, such as, drips sound etc.
Fig. 2 shows the composition structure of the onboard system that the utility model embodiment provides, and for convenience of explanation, illustrate only the part relevant to the utility model.
Onboard system comprises the USB device 1 as described in embodiment as corresponding in Fig. 1, the car-mounted terminal 2 be connected with described USB device 1; And the mobile terminal 3 to communicate with described USB device 1.
Wherein, described mobile terminal 3 includes but not limited to as mobile phone, panel computer or notebook computer.
Below by an instantiation, said process is described, after described USB device 1 is inserted into described car-mounted terminal 2 by described usb 12 by user, car-mounted terminal 2 is powered for described USB device 1, and is connected to the MCU111 with USBOTG function, the type of inquiry connection device.Device type now with the current connection of MCU111 reply car-mounted terminal 2 of USBOTG function is storer, mobile unit 2 is undertaken playing that (order that MCU111 inquires car-mounted terminal 2 and operating the logic sector of disk storage maps directly to the memory module 113 in MCU111 by described usb 12 song read in described USB device 1.It should be noted that, storage space in the USB device that mobile unit 2 has access to, be through the virtual storage space out of OTG of MCU111, described MCU111 is when detecting that car-mounted terminal 2 accesses described storage space by described usb 12, obtain the data that in USB device 1, memory module 113 stores, and the described data obtained are sent to described car-mounted terminal 2 by described usb 1 2), namely car-mounted terminal <-USB agreement->USBOTG<-USB drives->MCU<-SD agreement->TF card,
Play in the process of USB device 1 song at mobile unit 2, if need the song to described USB device 1 stores to upgrade, then described mobile terminal 3 is set up radio communication by wireless communication module 112 and described USB device 1 and is connected (be preferably WIFI), by the song prestored in mobile terminal 3 by being wirelessly transmitted in the memory module 113 (preferred TF card) in described USB device 1.The benefit done like this is, memory module 113 is operated by MCU111 and car-mounted terminal 2 simultaneously, mobile terminal 3 directly carries out song renewal to memory module 113 by the wireless communication module 112 in USB device 1, namely mobile terminal <-network storage protocol->WiFi<-WiFi drives->MCU<-SD agreement->TF card, the interruption that in car-mounted terminal 2 pairs of TF cards, song reads can not be caused, namely can not affect car-mounted terminal 2 and play song in USB device 1.
The utility model embodiment adds wireless communication module and the MCU with USBOTG function in USB device, by the MCU with USBOTG function, makes mobile unit directly can read data in USB device.Meanwhile, by described wireless communication module, make mobile terminal directly the data stored in mobile terminal can be transferred to described USB device by the mode of wireless transmission.Because digital independent is different from the mode of write, therefore mobile unit is in the process of carrying out digital independent, the write of mobile terminal data can not be had influence on, namely in the process of mobile unit playing audio-video data, if need to upgrade the content in USB device, then do not need the broadcasting suspending current audio data, thus effectively promote Consumer's Experience, there is stronger ease for use and practicality.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (5)
1. a USB device, comprises USB flash disk main body, and the front end of described USB flash disk main body is provided with USB interface, it is characterized in that, described USB flash disk main body comprises:
The MCU with USBOTG function be connected with described USB interface,
And with the described wireless communication module that is connected with the MCU of USBOTG function and memory module.
2. USB device as claimed in claim 1, it is characterized in that, described wireless communication module is WIFI module.
3. USB device as claimed in claim 1, it is characterized in that, described memory module is TF card.
4. an onboard system, is characterized in that, described onboard system comprises the USB device as described in any one of claims 1 to 3,
The car-mounted terminal be connected with described USB device; And
The mobile terminal communicated with described USB device.
5. onboard system as claimed in claim 4, it is characterized in that, described mobile terminal is mobile phone, panel computer or notebook computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520456545.3U CN204833250U (en) | 2015-06-29 | 2015-06-29 | USB device and on -vehicle system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520456545.3U CN204833250U (en) | 2015-06-29 | 2015-06-29 | USB device and on -vehicle system |
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| CN204833250U true CN204833250U (en) | 2015-12-02 |
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| CN201520456545.3U Active CN204833250U (en) | 2015-06-29 | 2015-06-29 | USB device and on -vehicle system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106022447A (en) * | 2016-05-27 | 2016-10-12 | 成都韵能科技有限公司 | Document protecting type U-disk based on GMS |
| CN111327339A (en) * | 2019-12-23 | 2020-06-23 | 珠海大横琴科技发展有限公司 | Full-automatic unattended control system and vehicle-mounted platform thereof |
-
2015
- 2015-06-29 CN CN201520456545.3U patent/CN204833250U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106022447A (en) * | 2016-05-27 | 2016-10-12 | 成都韵能科技有限公司 | Document protecting type U-disk based on GMS |
| CN111327339A (en) * | 2019-12-23 | 2020-06-23 | 珠海大横琴科技发展有限公司 | Full-automatic unattended control system and vehicle-mounted platform thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20160411 Address after: 518057, Guangdong, Nanshan District hi tech Industrial Park, No. 1, No. 8 financial base, 5 floor, E, F, Shenzhen Patentee after: SHENZHEN DAMAI TECHNOLOGY CO., LTD. Address before: 518057, Guangdong, Nanshan District Province, Shenzhen Road, No. 8 financial services technology innovation base, 8 floor, A, B, C, D, E,, F1 Patentee before: Shenzhen jiangbolong Electronic Co., Ltd. |