CN207867494U

CN207867494U - A kind of data box based on USBHUB technologies

Info

Publication number: CN207867494U
Application number: CN201721159330.0U
Authority: CN
Inventors: 刘宇泽
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-09-12
Filing date: 2017-09-12
Publication date: 2018-09-14
Anticipated expiration: 2027-09-12

Abstract

The utility model discloses a kind of data boxes based on USB HUB technologies, which is characterized in that including charging module, expands module and is based on OTG software configurations, the charging module is expanded module, is connected with expensive chip based on OTG software configurations.The utility model changes the unicity of existing charger baby, change simultaneously the dependence of data cross-platform, it solves the problems, such as functional single, a kind of novel Portable USB is provided, on the basis of existing USB flash disk, USB flash disk, card reader, LED light, USB are expanded into interface and charger baby synthesis combines, increases practicability.

Description

A kind of data box based on USBHUB technologies

Technical field

The utility model is related to a kind of electronic equipment, specially a kind of data box based on USB HUB technologies.

Background technology

OTG technologies are the abbreviations of On-The-Go, are the technologies that developed recently gets up, on December 18th, 2001 is by USB Implementers Forum are announced, the connection being mainly used between a variety of different equipment or mobile device, carry out data friendship It changes.One USB interface can be extended to multiple by USB HUB technologies one kind, and can make these interfaces dress used at the same time It sets.

Existing USB flash disk, data jack, functions of card reader are more single, and expansion is low, and integrated functionality is few, and calorific value is big

Invention content

The purpose of this utility model is that in view of the above-mentioned problems, overcome the shortage of prior art, discloses and a kind of being based on USB The data box of HUB technologies.It is supported based on universal serial bus concentrator and 7805 regulator circuits, realizing will be complicated cumbersome Expanded function and mobile phone linkage function are implemented in combination with simplification, integrated and ease-of-use.

To achieve the above object, the utility model uses following technical scheme：

A kind of data box based on USBHUB technologies, including charging module, expand module and be based on OTG modules；

The charging module includes charging interface, battery, the switch being connected with battery and 8705 regulator circuits；

LED light, USB flash disk, card reader built in the expansion module and several expansion USB interfaces, the USB flash disk, which is equipped with, realizes number According to the connectivity port of transmission, the card reader is equipped with the connectivity port for realizing data transmission；

Described based on OTG modules includes the driving of OTG system hardwares, OTG system peripherals software, OTG system Host softwares, institute It includes SRP and HNP to state the driving of OTG system hardwares；The OTG system peripherals software includes the USB classes of realization standard, is realized special Fixed USB peripheral function；The OTG systems Host softwares include Host drivers, operating system support software, support peripheral hardware Class libraries.

Further, the HNP is used to switch Host role, the HNP flows of completion between initial B device and initial A equipment： B device wishes controlling bus, becomes Host；After A equipment has sent Set Feature orders, B device can ask to control Bus processed；A equipment hanging up bus, notice B device can be with controlling bus；B device sends signal, disconnects the connection with A equipment；A Equipment starts the pull-up resistor on D+ signal wires, and D+ is set height；In this way, A equipment begins to abandon the control of bus as peripheral hardware System power, B device become Host；The control to bus is completed in B device, it is necessary to be pulled up D+ resistance thereon, be abandoned total Line traffic control is weighed.Certainly, this series of HNP activity, is not only realized by the level change on signal wire.Level becomes It is a kind of mark to change, and really the variation of the internal control to bus, then will be realized by software.

Further, the port on the onboard data box has storage device Drivers, provides enough USB port electricity The ability of stream and A type Host sockets, and realize following basic function：

(1), management and controlling bus, including USB port power management is provided；

(2), the access and disconnection for detecting peripheral hardware, enumerate (Enumerate) equipment；

(3), the activities such as data packet all on initialization bus transmission.

Further, following basic function is realized in the port being attached on data box：

(1), the order of response USB Host executes again the sending device descriptor of Host initiations, transmission (2), remotely calls out It wakes up and is in the host of (Suspend) state of hang-up；

(3), self-powered (Self-Powered) power supply is provided (if required electric current is more than the limit that bus can provide, choosing This).

Further, the control circuit includes that two HUB expand circuit, external expansion circuit, and circuit is expanded in the outside In the first circuit and HUB expand the first HUB in circuit and expand circuit output end and be connected, by data box signal transmission to computer, External second circuit in circuit, tertiary circuit, the 4th circuit expanded is connected with the first HUB expansion circuit input ends, will beat Card device, built-in USB flash disk signal transmission to data box carry out data processing, it is described it is external expand the 5th circuit in circuit, the 6th circuit, 7th circuit and the 8th circuit expand circuit input end with the 2nd HUB and are connected, and being transmitted to data box into external data carries out data Processing；

The first crystal oscillator that first HUB is expanded in circuit is connected with expensive chip, and the 2nd HUB is expanded in circuit Second crystal oscillator is connected with expensive chip, plays the role of exporting stable pulse.

Further, the charging module output is 5V voltages, is inputted as 9V.

Further, the USB flash disk is 16G memories.

The beneficial effects of the utility model are：The utility model changes the unicity of existing charger baby, changes simultaneously data Cross-platform dependence solves the problems, such as that functionality is single, provides a kind of novel Portable USB, gather the basis of existing USB flash disk On, U disks, card reader, LED light, USB are expanded into interface and charger baby synthesis combines, increases practicability.

Description of the drawings

Fig. 1 is the structural schematic diagram of the utility model.

Fig. 2 is the control circuit of the utility model.

Specific implementation mode

The utility model will be further described below with reference to the accompanying drawings.

A kind of data box based on USBHUB technologies as shown in Figure 1 comprising charging module expands module and is based on OTG Module；

Described based on OTG modules includes the driving of OTG system hardwares, OTG system peripherals software, OTG system Host softwares, institute It includes SRP and HNP to state the driving of OTG system hardwares；The OTG system peripherals software includes the USB classes of realization standard, is realized specific USB peripheral function；The OTG systems Host softwares include Host drivers, operating system support software, support peripheral hardware Class libraries.When OTG systems are in enumeration process, A equipment will send GetDescriptor orders and (is initially located in outer to B device If the equipment of state), it is desirable that B device sends OTG configures descriptors.Configures descriptor include 3 bytes, be respectively bLength, BDescriptorType and bmAttributes.

Further, the HNP is used to switch Host role, the HNP flows of completion between initial B device and initial A equipment： B device wishes controlling bus, becomes Host；After A equipment has sent SetFeature orders, B device can ask to control Bus processed；A equipment hanging up bus, notice B device can be with controlling bus；B device sends signal, disconnects the connection with A equipment；A Equipment starts the pull-up resistor on D+ signal wires, and D+ is set height；In this way, A equipment begins to abandon the control of bus as peripheral hardware System power, B device become Host；The control to bus is completed in B device, it is necessary to be pulled up D+ resistance thereon, be abandoned total Line traffic control is weighed.Certainly, this series of HNP activity, is not only realized by the level change on signal wire.Level becomes It is a kind of mark to change, and really the variation of the internal control to bus, then will be realized by software.

(3), the activities such as data packet all on initialization bus transmission.

(1), the order of response USB Host executes the activities such as the sending device descriptor that Host is initiated again, transmission data；

(2), Remote Wake Up is in the host of (Suspend) state of hang-up；

(3), self-powered (Self-Powered) power supply is provided.

Further, described outer as shown in Fig. 2, the control circuit, which includes two HUB, expands circuit, external expansion circuit Portion expands the first circuit in circuit and expands the first HUB expansions circuit output end in circuit by pin BUS DP, BUS DM and HUB It is connected, by data box signal transmission to computer, the outside expands second circuit in circuit and passes through pin DP1DM1 and first HUB expands circuit input end and is connected, and tertiary circuit expands circuit input end by pin DP2DM2 and the first HUB and is connected, and the 4th Circuit expands circuit input end by pin DP3DM3 and the first HUB and is connected, by reading card device, built-in USB flash disk signal transmission to data Box carries out data processing, and the 5th circuit passes through pin DP4DM4 and the 2nd HUB expansion circuit inputs in the external expansion circuit End is connected, and the 6th circuit expands circuit input end by pin DP5DM5 and the 2nd HUB and is connected, and the 7th circuit passes through pin DP6 DM6 expands circuit input end with the 2nd HUB and is connected, and the 8th circuit expands circuit input end by pin DP7DM7 and the 2nd HUB It is connected, external data, which is transmitted to data box, carries out data processing；

Further, the charging module output is 5V voltages, is inputted as 9V.

Further, the USB flash disk is 16G memories.

As shown in Figure 1, battery is connect by control circuit with peripheral port and built-in port, when port is connect with equipment, Play transmission data or rechargeable lamp function.OTG modules include mobile phone connection USB flash disk, mobile phone expansion mouth and mobile phone LED lamp, are expanded Module includes that 4 expansion mouths, integral computer USB flash disk, integral computer SD card reader and computer LED light, charging module include 8000mAh rechargeable batteries, output are the battery and LED flashlight that 9V is mobile phone charging.

Above-described embodiment, the only preferred embodiment of the utility model are not used for limiting the utility model practical range, Therefore all equivalence changes done with content described in the utility model claims, the utility model claims model should all be included in Within enclosing.

Claims

1. a kind of data box based on USBHUB technologies, which is characterized in that including charging module, expand module, based on OTG modules And control circuit, the charging module are expanded module, are connected with expensive chip based on OTG modules；

The charging module includes charging interface, battery, the switch being connected with battery and control circuit；

LED light, USB flash disk, card reader built in the expansion module and several expansion USB interfaces, the USB flash disk, which is equipped with, realizes that data pass Defeated connectivity port, the card reader are equipped with the connectivity port for realizing data transmission；

The control circuit include two HUB expand circuits, it is external expand circuit, it is described it is external expand in circuit the first circuit with HUB, which expands the first HUB in circuit and expands circuit output end, to be connected, described external to expand second circuit in circuit, tertiary circuit, the Four circuits expand circuit input end with the first HUB and are connected, the 5th circuit, the 6th circuit, the 7th electricity in the external expansion circuit Road and the 8th circuit expand circuit input end with the 2nd HUB and are connected, and being transmitted to data box into external data carries out data processing；Institute The first crystal oscillator that the first HUB is expanded in circuit is stated with expensive chip to be connected, the second crystal oscillator in the 2nd HUB expansion circuit and Expensive chip is connected, and plays the role of exporting stable pulse.

2. a kind of data box based on USBHUB technologies according to claim 1, which is characterized in that the USB flash disk is in 16G It deposits.

3. a kind of data box based on USBHUB technologies according to claim 1, which is characterized in that the charging module is defeated Go out for 5V voltages, inputs as 9V.