CN208654789U - A kind of USB interface control device and system - Google Patents
A kind of USB interface control device and system Download PDFInfo
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- CN208654789U CN208654789U CN201821555356.1U CN201821555356U CN208654789U CN 208654789 U CN208654789 U CN 208654789U CN 201821555356 U CN201821555356 U CN 201821555356U CN 208654789 U CN208654789 U CN 208654789U
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Abstract
The utility model provides a kind of USB interface control device and system, the USB interface control device includes: usb interface module, signal processing and data transmission module and power module, the usb interface module includes the first usb interface unit, secondary USB interface unit and third usb interface unit, first usb interface unit, secondary USB interface unit and third usb interface unit are connected with the signal processing with data transmission module respectively, first usb interface unit, secondary USB interface unit, third usb interface unit and signal processing are connected with the power module respectively with data transmission module.The control to power module may be implemented by the signal processing and data transmission module in the utility model, it is filled for one line of realization more and the function of not limiting plant-grid connection mouth provides hardware circuit basis, improve the human oriented design and intelligentized design degree of product.
Description
Technical field
The utility model relates to a kind of interface control unit more particularly to a kind of USB interface control devices, and be related to include
The USB interface control system of the USB interface control device.
Background technique
Present USB interface is very extensive for realizing equipment charge, data transmission and the application of interconnecting device, but
It is current existing patchcord is mostly one to go out two, that is, C mouthful of uplink and two A mouthfuls of downlink of this mode；Or one
Out three, i.e., one C mouthfuls and three A mouthful of downlink of uplink of data line can only be filled by the equipment state of access up going port to switch
Power mode does not support two-way charging, and transmission data are also one-way transmission.
Therefore, the prior art USB interface control can not switching interface charge mode, can only be according to the electric current of setting
Flow direction uses；It cannot charge while upstream plant reads other storage facilities data to upstream plant；It cannot support
While one power supply charges to multiple equipment, uplink jaws equipment reads the functions such as the data of downstream plant.
Summary of the invention
Technical problem to be solved in the utility model is to need to provide one kind more to fill for a line and not limit power supply
Access port charging modes provide the USB interface control device of hardware foundation, and furthermore providing includes USB interface control dress
The USB interface control system set.
In this regard, the utility model provides a kind of USB interface control device, comprising: usb interface module, signal processing and number
According to transmission module and power module, the usb interface module includes the first usb interface unit, secondary USB interface unit and the
Three usb interface units, first usb interface unit, secondary USB interface unit and third usb interface unit respectively with it is described
Signal processing is connected with data transmission module, first usb interface unit, secondary USB interface unit, third USB interface
Unit and signal processing are connected with the power module respectively with data transmission module；Wherein, the signal processing and number
The access state information for linking up and collecting access device by usb interface module according to transmission module judges that access device is downlink
Port device or uplink port equipment, and the usb interface module is fed back to realize to its power supply interface and data-interface
Opening control.
Further improvement of the utility model is, further includes power protection switch, and the power module passes through the electricity
Source protection switch is connected to first usb interface unit.
Further improvement of the utility model is that first usb interface unit is USB TYPE-A interface.
Further improvement of the utility model is that the secondary USB interface unit and third usb interface unit are USB
TYPE-C interface.
Further improvement of the utility model is, the signal processing and data transmission module include processor unit and
Serial flash unit, the serial flash unit are connected to the processor unit.
Further improvement of the utility model is that the power module includes the first USB interface power supply unit, second
USB interface power supply unit and third USB interface power supply unit, the first USB interface power supply unit, secondary USB interface power supply
Unit and third USB interface power supply unit connect with first usb interface unit, secondary USB interface unit and the 3rd USB respectively
Mouth unit is connected.
Further improvement of the utility model is that the first USB interface power supply unit connects with the 2nd USB respectively
Mouth power supply unit is connected with third USB interface power supply unit.
Further improvement of the utility model is that the power module further includes charge-discharge control unit, the charge and discharge
Electric control unit respectively with the first USB interface power supply unit, secondary USB interface power supply unit and third USB interface power supply
Unit is connected.
The utility model also provides a kind of USB interface control system, includes USB interface control device as described above,
And the following steps are included:
Step S1, real-time detection, when the access for detecting access device, then go to step S2；
Step S2 judges the device type of the access device by the signal processing and data transmission module, in turn
It is realized according to the device type of access device and the opening of its power supply interface and data-interface is controlled.
Further improvement of the utility model is, in the step S2, when first usb interface unit, the 2nd USB
When either interface in interface unit and third usb interface unit accesses power supply, which can give as power interface
Other two interface units realize power supply；When first usb interface unit, secondary USB interface unit and third USB interface list
When member all connects access device, the signal processing is linked up with data transmission module and each access device, to each
A access device carries out intelligent recognition, judges the device type of each access device, wherein and uplink port is connected to host,
When downlink port is connected to power supply and equipment, uplink port reads the data of downlink port equipment while charging.
Further improvement of the utility model is, in the step S2, according to the realization pair of the device type of access device
The control of the opening of its power supply interface and data-interface includes following sub-step:
Step S201 reads the data of access device when access device is without electric equipment；
Step S202, when access device is power-supply device, return step S1 realizes the access of charging equipment；
Step S203 reads downlink port data and realizes charging when access device is uplink port equipment；
Step S204 exports the downlink port data being read and realizes confession when access device is downlink port equipment
Electricity.
Compared with prior art, the utility model has the beneficial effects that: transmitting mould by the signal processing and data
The processor unit of block can realize the hardware controls to power module on circuit, and power module is allowed to connect in the first USB
Either interface in mouth unit, secondary USB interface unit and third usb interface unit accesses power supply, other two interface units
It can charge simultaneously, be filled for one line of realization more and the function of not limiting plant-grid connection mouth provides good hardware circuit
Basis；On this basis, while supporting to fill function a line, additionally it is possible to further can read down going port by uplink port more
Device data, two-way data transmission is realized on hardware circuit, improves the human oriented design and intelligentized design of product
Degree.
Detailed description of the invention
Fig. 1 is a kind of apparatus structure schematic illustration of embodiment of the utility model；
Fig. 2 is a kind of circuit diagram of the usb interface module of embodiment of the utility model；
Fig. 3 is a kind of signal processing of embodiment of the utility model and the circuit diagram of data transmission module；
Fig. 4 is a kind of circuit diagram of the power module of embodiment of the utility model；
Fig. 5 is a kind of circuit diagram of the charge-discharge control unit of embodiment of the utility model.
Specific embodiment
With reference to the accompanying drawing, the preferably embodiment of the utility model is described in further detail.
As shown in Figure 1, this example provides a kind of USB interface control device, comprising: usb interface module, signal processing and data
Transmission module 4 and power module 5, the usb interface module include the first usb interface unit 1,2 and of secondary USB interface unit
Third usb interface unit 3, first usb interface unit 1, secondary USB interface unit 2 and third usb interface unit 3 are distinguished
It is connected with the signal processing with data transmission module 4, first usb interface unit 1, secondary USB interface unit 2,
Three usb interface units 3 and signal processing are connected with the power module 5 respectively with data transmission module 4；Wherein, described
Signal processing and data transmission module 4 are linked up by usb interface module and collect the access state information of access device, and judgement connects
Entering equipment is downlink port equipment or uplink port equipment, and feeds back to the usb interface module and connect with realizing to power to it
The opening of mouth and data-interface controls.
Usb interface module described in this example, which is mainly realized, realizes connection with access device (USB device).The signal processing with
Data transmission module 4 preferably realizes using the FL-5002-1Q0 chip of Fresco company, can preferably by with USB
Interface module communication is collected into C mouthfuls of access device of access state information and front and back sides, and judgement is that (downlink port is set DFP equipment
It is standby) or UFP equipment (uplink port equipment), and feedback information judge whether to open power supply interface to usb interface module and
Data-interface；The signal processing and data transmission module 4 mainly realize that information communication and data between interface are transmitted；When
So, it is not this judgement and control process that this example is to be protected, but in order to realize that a line fills more and do not limit plant-grid connection
The function of mouth provides its hardware circuit basis.The power module 5 is mainly to the signal processor and transmission module 4 and described
Usb interface module provides power supply, keeps entire circuit that can work normally.
As shown in Figure 1, this example further includes power protection switch 6, first usb interface unit 1 is protected by the power supply
Shield switch 6 is connected to the power module 5.In Fig. 1, the power protection switch 6 is hardware power protective switch, i.e. Power
Switch, it is because A mouthfuls of compatibility current value ratio Type-C connects that first usb interface unit 1, which needs to connect Power Switch,
Mouthful it is small, so needing to control the output electric current of the interface, play a protective role；Secondary USB interface unit 2 and the 3rd USB connect
Mouthful unit 3 needs not be because the current value that can be compatible with of Type-C interface is consistent, does not need plus Power Switch carries out electric current
Control.
The major function of usb interface module described in this example are as follows: the facility information of the access device of USB is supplied to the letter
Breath processing is linked up with data processing module 4；Electric signal is provided to the power module 5；According to the information processing sum number
The function of power supply and data transmission is provided according to the information realization that transmission module 4 is fed back.More specifically, as shown in Fig. 2, this example institute
Stating the first usb interface unit 1 is USB TYPE-A interface；The secondary USB interface unit 2 and third usb interface unit 3 are
USB TYPE-C interface.
Wherein, the interface type of first usb interface unit 1 is TYPE-A RECEPTABLE, i.e., acceptable TYPE-A
Interface, its main function are: providing data to uplink port equipment；It is carried out with the information processing and data processing module 4
It links up；Electric signal is provided to the power module 5；The information realization fed back according to the information processing and data transmission module 4
The function of power supply and data transmission is provided.
The interface type of secondary USB interface unit 2 described in this example is preferably TYPE-C PLUG, i.e. TYPE-C socket, master
The effect wanted is: reading the data of downlink port equipment；Ditch messenger is carried out with the information processing and data processing module 4
Transmission；Power supply signal is provided to the power module 5；The information fed back according to the information processing and data transmission module 4 is real
The function of power supply and data transmission is now provided.
The interface type of third usb interface unit 3 described in this example is preferably TYPE-C RECEPTABLE, i.e., acceptable
TYPE-C interface also belongs to TYPE-C socket, and its main function is: providing data to uplink port；With the information processing
It is linked up with data processing module 4；Electric signal is provided to the power module 5；It is transmitted according to the information processing and data
The information realization that module 4 is fed back provides the function of power supply and data transmission.This example is for the first usb interface unit 1, the 2nd USB
The effect of interface unit 2 and third usb interface unit 3 explains, be in order to illustrate this example can preferred improvement project, this
Example does not protect the processes of these function controls, but mentions to realize that a line fills more and do not limit plant-grid connection mouth this function
For its hardware circuit basis.
As shown in figure 3, signal processing described in this example and data transmission module 4 include processor unit 401 and serial flash
Unit 402, the serial flash unit 402 are connected to the processor unit 401.
Signal processing described in this example and data transmission module 4 detect and feed back the connection of three usb interface units.When
Access is that charging equipment (such as mobile phone, power supply and computer) access post-processor unit 401 is started to work, and opens three USB
The power supply interface of interface unit.When access device is DFP equipment (downlink port equipment) or UFP equipment (uplink port equipment)
When, processor unit 401 and access device are linked up, and communication, which finishes post-processor unit 401, can control the power module 5
It powers to access device, while power supply, C mouthfuls of uplink can read the data of down going port by processor unit 401.
Serial flash unit 402(SPI Flash described in this example) be described below, belong to the information processing and transmission mould
One subelement of block 4, major function are as follows: the main chip FL- in information processing described in storage circuit and transmission module 4
The configuration information of 5002-1Q0；Store the configuration information of usb interface module.
The information realization charge and discharge that power module 5 described in this example is fed back according to the information processing and data transmission module 4
Function, and realize overcurrent protection, protect access device.
More specifically, as shown in figure 4, power module 5 described in this example includes the first USB interface power supply unit 501, second
USB interface power supply unit 502 and third USB interface power supply unit 503, the first USB interface power supply unit 501, the 2nd USB
Interface power unit 502 and third USB interface power supply unit 503 respectively with first usb interface unit 1, secondary USB interface
Unit 2 is connected with third usb interface unit 3.
In Fig. 4, the first USB interface power supply unit 501, secondary USB interface power supply unit 502 and third USB interface
The main control chip of power supply unit 503 is G547E2P81U, there is current limliting and control, controls input and output voltage, limit
Input and output electric current processed plays overcurrent protection, protects access device.And use the MOS inside chip G547E2P81U
Pipe carries out the on-off control of circuit, when main control chip work, just controls metal-oxide-semiconductor conducting, connects USB-A mouthfuls of voltage with other
The power supply conducting of mouth, realizes the conducting of USB-A mouthfuls of charge-discharge circuits, and then realize charging/discharging function.
As shown in figure 4, the first USB interface power supply unit 501 described in this example respectively with the secondary USB interface power supply unit
502 are connected with third USB interface power supply unit 503；Convenient for so that USB-A mouthfuls of voltage is connected with the power supply of other interfaces,
It realizes the conducting control of USB-A mouthfuls of charge-discharge circuits, and then realizes charging/discharging function.
As shown in figure 5, power module 5 described in this example further includes charge-discharge control unit 504, the charge-discharge control unit
504 respectively with the first USB interface power supply unit 501, secondary USB interface power supply unit 502 and third USB interface power supply list
Member 503 is connected.
The main control chip of charge-discharge control unit 504 described in this example is G547E2P81U, utilizes three G547E2P81U cores
Whether the metal-oxide-semiconductor control circuit inside piece is connected, and collocation is realized with the information processing and the communication of data transmission module 4 and limited
The effect of the input and output of electric current within the specified range, realizes the conducting of charge-discharge circuit, and then further improves it
Charging/discharging function.
Such as Fig. 1 to Fig. 5 it is found that this example is filled more and do not limit the function of plant-grid connection mouth to realize a line provides well
Hardware circuit basis, usb interface module, signal processing and data transmission module 4 and power module 5 etc. can be by hard
Part circuit is realized；Fig. 1 belongs to the preferred implementation circuit of this example to circuit shown in fig. 5, in practical applications, can pass through energy
Realize the circuit module of identical function enough to realize.For example, usb interface module and signal processing and data transmission module 4 etc.,
It is accomplished that USB interface and processor function, can be replaced by other USB interface and microcontroller etc., also should belong to its guarantor
Protect range.
Preferably, this example works as first usb interface unit 1, secondary USB interface unit 2 and third usb interface unit 3
In either interface when accessing power supply, which can give other two interface units to realize and power as power interface；
When first usb interface unit 1, secondary USB interface unit 2 and third usb interface unit 3 all connect access device, institute
It states signal processing and data transmission module 4 and intelligent recognition is carried out to access device, judge the device type of each access device,
In, uplink port is connected to host, when downlink port is connected to power supply and equipment, under uplink port is read while charging
The data of row port device.
In conclusion this example can be in circuit by the processor unit 401 of the signal processing and data transmission module 4
It is upper to realize to the hardware controls of power module 5, allow power module 5 in first usb interface unit 1, secondary USB interface unit
2 and third usb interface unit 3 in either interface access power supply, other two interface units can charge simultaneously, be
It realizes that a line fills more and do not limit the function of plant-grid connection mouth and provides good hardware circuit basis；On this basis, it is propping up
A line is held while fill function more, additionally it is possible to the device data that down going port can be further read by uplink port, in hardware electricity
Two-way data transmission is realized in road, improves the human oriented design and intelligentized design degree of product.
The specific embodiment of the above is the better embodiment of the utility model, and it is practical new not to limit this with this
The specific implementation range of type, the scope of the utility model includes being not limited to present embodiment, all according to the utility model
Shape, structure made by equivalence changes it is within the protection scope of the present utility model.
Claims (9)
1. a kind of USB interface control device characterized by comprising usb interface module, signal processing and data transmission module
And power module, the usb interface module include the first usb interface unit, secondary USB interface unit and third USB interface
Unit, first usb interface unit, secondary USB interface unit and third usb interface unit respectively with the signal processing with
Data transmission module is connected, first usb interface unit, secondary USB interface unit, third usb interface unit and letter
Number processing is connected with the power module respectively with data transmission module.
2. USB interface control device according to claim 1, which is characterized in that further include power protection switch, the electricity
Source module is connected to first usb interface unit by power protection switch.
3. USB interface control device according to claim 2, which is characterized in that first usb interface unit is USB
TYPE-A interface.
4. USB interface control device according to claim 2, which is characterized in that the secondary USB interface unit and third
Usb interface unit is USB TYPE-C interface.
5. USB interface control device according to any one of claims 1 to 4, which is characterized in that the signal processing with
Data transmission module includes processor unit and serial flash unit, and the serial flash unit is connected to the processor list
Member.
6. USB interface control device according to any one of claims 1 to 4, which is characterized in that the power module packet
The first USB interface power supply unit, secondary USB interface power supply unit and third USB interface power supply unit are included, the first USB connects
Mouthful power supply unit, secondary USB interface power supply unit and third USB interface power supply unit respectively with first usb interface unit,
Secondary USB interface unit is connected with third usb interface unit.
7. USB interface control device according to claim 6, which is characterized in that the first USB interface power supply unit point
It is not connected with the secondary USB interface power supply unit and third USB interface power supply unit.
8. USB interface control device according to claim 6, which is characterized in that the power module further includes charge and discharge
Control unit, the charge-discharge control unit respectively with the first USB interface power supply unit, secondary USB interface power supply unit
It is connected with third USB interface power supply unit.
9. a kind of USB interface control system, which is characterized in that include that USB as described in claim 1 to 8 any one connects
Mouth control device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821555356.1U CN208654789U (en) | 2018-09-21 | 2018-09-21 | A kind of USB interface control device and system |
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| CN201821555356.1U CN208654789U (en) | 2018-09-21 | 2018-09-21 | A kind of USB interface control device and system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110376926A (en) * | 2019-07-22 | 2019-10-25 | 武汉恒泰通技术有限公司 | A kind of intelligent management system for intelligent integral power protection switch |
| CN110880805A (en) * | 2019-12-19 | 2020-03-13 | 维沃移动通信有限公司 | Charging device and control method |
| CN111064243A (en) * | 2019-12-12 | 2020-04-24 | 优奈柯恩(北京)科技有限公司 | Mobile power supply and method for supplying power to peripheral equipment |
-
2018
- 2018-09-21 CN CN201821555356.1U patent/CN208654789U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110376926A (en) * | 2019-07-22 | 2019-10-25 | 武汉恒泰通技术有限公司 | A kind of intelligent management system for intelligent integral power protection switch |
| CN110376926B (en) * | 2019-07-22 | 2021-02-09 | 武汉恒泰通技术有限公司 | Intelligent management system for intelligent integrated power protection switch |
| CN111064243A (en) * | 2019-12-12 | 2020-04-24 | 优奈柯恩(北京)科技有限公司 | Mobile power supply and method for supplying power to peripheral equipment |
| CN110880805A (en) * | 2019-12-19 | 2020-03-13 | 维沃移动通信有限公司 | Charging device and control method |
| CN110880805B (en) * | 2019-12-19 | 2021-09-17 | 维沃移动通信有限公司 | Charging device and control method |
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