CN104715184B - Key devices, data switching device, component and system and equipment starting method - Google Patents
Key devices, data switching device, component and system and equipment starting method Download PDFInfo
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- CN104715184B CN104715184B CN201510096990.8A CN201510096990A CN104715184B CN 104715184 B CN104715184 B CN 104715184B CN 201510096990 A CN201510096990 A CN 201510096990A CN 104715184 B CN104715184 B CN 104715184B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/31—User authentication
- G06F21/34—User authentication involving the use of external additional devices, e.g. dongles or smart cards
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Abstract
The present invention provides a kind of key devices, data switching device, component and system and equipment starting method.Key devices include built-in power and outer connector, its China and foreign countries' connector includes：Electric energy output pin, is configured to connect with built-in power, outwards to export electric energy；With electric energy input pin, it is configured to be connected with electric energy output pin by outside control, starts to power for key devices to start built-in power.Data switching device is set accordingly to coordinate key devices to work, so as to provide corresponding data interaction component, data interaction system and equipment starting method based on the key devices and data switching device.
Description
Technical field
The present invention relates to data security arts, more particularly to key devices, data switching device, data interaction component,
Data interaction system and equipment starting method.
Background technology
Today of network technology increasingly prosperity, Web bank, network payment etc. have become the currently used operation of people.
Correspondingly, the guarantee of the security behavior such as safety of payment has become one of thing that people most pay close attention to.
Because of the opening and popularity of network, the data safety of user may be subject to hacker, false website, trojan horse etc.
The threat of various risks.To solve these threats, the prior art provides key devices to protect the data safety of user.Each
In kind key devices, USBkey (being frequently referred to U-shield or excellent Key etc.) is at present using relatively broad.
USBkey, which usually requires power supply, to work.Existing USBkey power supply modes include externally fed mode and confession
Electrically.Existing USBkey externally feds mode is that the external equipment that row data interaction is repeatedly kicked into by USB cable slave phase obtains
Work energy, this is the most commonly seen power supply modes of existing USBkey, its can when external equipment works normally for USBkey from
Dynamic power supply, automatic start USBkey work.On such USBkey, it is not usually required to set any manually boot out
Close, the structure design of USBkey is simple, and user is easy to use.It is different, the confession of existing USBKey be electrically
USBKey middle built-in powers (such as certain appropriate battery) in itself.This USBKey with built-in power is usually required for example
Manual switch of the operation setting on USBKey is powered to start consuming parts of the built-in power directly into USBKey, is made
USBKey starts to work, its structure design is in contrast complex, and it is also not convenient enough that user uses.
Moreover, existing USBkey generally by standard USB cable (connecting interface at its both ends can be standard phase
With usb type or different usb types) it is connected with external equipment, carried out by USB communications protocol and the external equipment
Data interaction.However, on some external equipments and do not have the USB interface of standard, or in some special application scenarios,
And the USB interface of external equipment inconvenient to use.For example, carry out data by the use of portable terminals such as smart mobile phones as with USBkey
During interactive external equipment, being attached using standard USB cable may be just not convenient enough.It can be said that in this connection mode
Current application range and the marketing for having seriously affected USBKey of limitation, or even as many users even in handling weight
Also the first cause for using USBKey as oneself data safety instrument is not selected during the financial business wanted.
The content of the invention
One object of the present invention aims to solve the problem that at least one problem of the prior art, there is provided a kind of easy to use, application
Key devices, data switching device, data interaction component, data interaction system and the equipment starting method of scope extension.
A further object of the invention is the key devices, data switching device, data that cause in the present invention
In interactive component, data interaction system and equipment starting method, after necessary cable connection is completed, you can use key devices
In built-in power key devices and data switching device are powered automatically, be particularly manually operated without user.
Another of the present invention is further objective is that will cause the key devices, data switching device, number in the present invention
According in interactive component, data interaction system and equipment starting method, it is allowed to utilize different types of interface (particularly USB interface
With audio interface) data interaction is carried out between key devices and counterpart external device.
Another of the present invention is further objective is that will cause the compatible existing same type key of key devices of the present invention
The cable of equipment connects, for electrically activating and data interactive mode.
According to the first aspect of the invention, there is provided a kind of key devices, including built-in power and outer connector.Especially
Ground, the outer connector include：
Electric energy output pin, is configured to connect with the built-in power, outwards to export electric energy；With
Electric energy input pin, is configured to be connected with the electric energy output pin by outside control, to start the in-built electrical
Source starts to power for the key devices.
Alternatively, the outer connector further includes at least one data pin, is used for transmission data-signal.
Alternatively, the outer connector is five cored wire USB interfaces；The electric energy output pin of the outer connector is described five
The ID pins of cored wire USB interface；The electric energy input pin of the outer connector is the VCC pin of the five cored wires USB interface；And
At least one data pin of the outer connector is the D+ pins and/or D- pins of the five cored wires USB interface.
Alternatively, the outer connector is five cored wire USB female seat interfaces.
According to the second aspect of the invention, there is provided a kind of data switching device, including for connecting the first external equipment
First interface, for connect the second external equipment second interface.Especially,
The data switching device further includes：The triggering electricity being connected between the first interface and the second interface
Road, is configured to when the second interface receives trigger signal from second external equipment, by the electric energy of the first interface
Output pin is connected to the electric energy input pin of the first interface；
The first interface includes：
Electric energy input pin, is configured to from the first external equipment inputing power, is filled with being at least the data switch
The work put provides electric energy；With
Electric energy output pin, is configured to controllably be communicated to the electric energy input pin；
Alternatively, the trigger circuit includes：Trigger unit and controllable switch；
The trigger unit is connected between the second interface and the first end of the controllable switch, the controllable switch
Second end be electrically connected with the electric energy input pin, the 3rd end and the electric energy output pin of the controllable switch are electrically connected
Connect；
The trigger unit, is configured to when receiving trigger signal from the second interface, by the controllable switch
Second end is turned on the 3rd end.
Alternatively, the controllable switch includes at least metal-oxide-semiconductor, described to open the grid that the first end that control switchs is the metal-oxide-semiconductor
Pole, the second end of the controllable switch are the source electrode of the metal-oxide-semiconductor, and the 3rd end of the controllable switch is the leakage of the metal-oxide-semiconductor
Pole；
The trigger unit, is configured to, when the second interface receives trigger signal, the metal-oxide-semiconductor be turned on.
Alternatively, the controllable switch further includes biasing resistor, the biasing resistor be connected on the metal-oxide-semiconductor edge pole and
Between grid.
Alternatively, the first interface further includes at least one data pin, is used for transmission data-signal.
Alternatively, the first interface is five cored wire USB interfaces；The electric energy input pin of the first interface is described five
The ID pins of cored wire USB interface；The electric energy output pin of the first interface is the VCC pin of the five cored wires USB interface；Institute
At least one data pin for stating first interface is the D+ pins and/or D- pins of the five cored wires USB interface.
Alternatively, the first interface is five cored wire USB male seat interfaces.
Alternatively, the second interface is audio interface.
According to the third aspect of the invention we, there is provided a kind of data interaction component, including：
Any key devices according to a first aspect of the present invention；With
Any data switching device according to a second aspect of the present invention, wherein the outer connector of the key devices with it is described
The first interface of data switching device is configured to be operatively connected to one another, so that the key devices are used as and institute
State the first external equipment of data switching device connection；
Wherein, the first interface of the electric energy output pin of the outer connector of the key devices and the data switching device
Electric energy input pin be configured to be operatively connected to one another, the electric energy input pin of the outer connector of the key devices
It is configured to be operatively connected to one another with the electric energy output pin of the first interface of the data switching device.
Alternatively, first external equipment is any key devices according to first aspect present invention；And/or described
Two external equipments include desktop computer, laptop computer, Intelligent mobile communication terminal and personal digital assistant.
According to the fourth aspect of the invention, there is provided a kind of data interaction system, including：
Any key devices according to a first aspect of the present invention；
Any data switching device according to a second aspect of the present invention, wherein the outer connector of the key devices with it is described
The first interface of data switching device is configured to be operatively connected to one another, so that the key devices are used as and institute
State the first external equipment of data switching device connection；With
Terminal device, wherein the second interface of a terminal interface and the data switching device for the terminal device is matched somebody with somebody
Being set to be operatively connected to one another, so that the terminal device is used as second be connected with the data switching device
External equipment.
According to the fifth aspect of the invention, there is provided a kind of equipment for fourth aspect present invention data interaction system opens
Dynamic method, including：
The second interface of the data switching device receives trigger signal from the terminal interface of the terminal device；With
And
The trigger signal that the trigger circuit of the data switching device is received according to the second interface, the data are turned
The electric energy output pin of the first interface of connection device is communicated to the electric energy input pin of the first interface, described at least to start
Key devices work.
According to the sixth aspect of the invention, there is provided the equipment that another kind is used for fourth aspect present invention data interaction system
Startup method, including：
The electric energy output pin of the outer connector of the key devices is connected with the built-in power of the key devices,
Electric energy is exported to the electric energy input pin of the data switching device, electricity is provided to be at least the work of the data switching device
Energy；
The second interface of the data switching device receives trigger signal from the terminal interface of the terminal device；Root
The trigger signal received according to the second interface, the electric energy output pin of the first interface of the data switching device is connected
The electric energy input pin of the first interface of the data switching device is led to, so that described the first of the key devices
The electric energy input pin of interface is communicated to the electric energy output pin of the first interface of the key devices, to start in described
Power supply is put to start to power for the key devices.
In embodiment according to a first aspect of the present invention, since key devices have built-in power, and its outer connector
It is particularly configured to include the electricity for being provided out the electric energy output pin of electric energy and being connected with electric energy output pin by exterior control
Energy input pin, electric energy input pin is connected with electric energy output pin to be started to power for key devices to start built-in power, from
And can be automatically to key devices and data when allowing the key devices of the present invention to be connected via appropriate data switching device
Switching device is powered, and data interaction can easily be carried out by carrying out special manual operation without user.
In embodiment according to a second aspect of the present invention, since the first interface of data switching device is particularly configured to
Set including the electric energy input pin from the first external equipment inputing power and according to trigger circuit through second interface outside second
The standby trigger signal received controllably connects the electric energy output pin of electric energy input pin, can be well matched with according to this
The key devices of invention first aspect work.
Further, in some embodiments according to a second aspect of the present invention, data switching device is configured to described
Second interface receives the electric energy output pin and electric energy input pin that its first interface is just connected after trigger signal so that in root
In data interaction system according to the present invention, only correctly connect and can just start after corresponding external device start close in whole system
Key equipment is started to work, and This effectively reduces the unnecessary power consumption to key devices built-in power, is significantly extended close
The usage time that key equipment built-in power is once replaced or charged.
Further, in some embodiments according to a second aspect of the present invention, the second interface of data switching device
Type can be different from the type of first interface, and according to corresponding interface requirement appropriate trigger circuit can be set to carry out wherein
Data-signal is changed, such as is mutually turned between the audio signal required by the data-signal and MIC plugs required by USB interface
Change, which greatly enhances the flexibility that key devices of the present invention are connected with other external equipments, significantly extends key of the present invention
The application range of equipment.
According to the accompanying drawings will be brighter to the detailed description of the specific embodiment of the invention, those skilled in the art
Above-mentioned and other purposes, the advantages and features of the present invention.
Brief description of the drawings
Some specific embodiments of the present invention are carried out with reference to the accompanying drawings and by way of example, and not by way of limitation hereinafter
It is described in detail.Identical reference numeral denotes same or similar component or part in attached drawing.Specifically, in attached drawing：
Fig. 1 shows the schematic block diagram of key devices according to an embodiment of the invention；
Fig. 2 shows the schematic pinouts of the outer connector of key devices according to an embodiment of the invention；
Fig. 3 shows the schematic block diagram of data switching device according to an embodiment of the invention；
Fig. 4 A show the schematic of a part of trigger circuit in data switching device according to an embodiment of the invention
Block diagram；
Fig. 4 B show the schematic of a part of trigger circuit in data switching device according to an embodiment of the invention
Line map；
Fig. 5 shows the schematic block diagram of data interaction component according to an embodiment of the invention；
Fig. 6 shows the schematic block diagram of data interaction system according to an embodiment of the invention；
Fig. 7 shows the schematic circuit diagram of data interaction system according to an embodiment of the invention；
Fig. 8 shows the flow chart of equipment starting method according to an embodiment of the invention；And
Fig. 9 shows the flow chart of another equipment starting method according to an embodiment of the invention.
Embodiment
Fig. 1 shows the schematic block diagram of key devices 100 according to an embodiment of the invention.Such key is set
Standby 100 for example can be the USBkey for storing number safety certificate and private key for user, it may include interior in general manner
Put power supply 110 and outer connector 120 etc..Wherein, built-in power 110 is used to provide electric energy, outer connector 120 be used for outside other
Portion's equipment connection.It can also include realizing that key provides the physical circuit of function inside key devices 100, it is understood that there may be
Physical circuit part is well known to those skilled in the art and easy to implement, and to it, it will not go into details herein.
Especially, in an embodiment of the present invention, outer connector 120 is configured to include at least two pins, i.e.,：Electric energy is defeated
Go out pin 121 and electric energy input pin 122.Electric energy output pin 121 is configured to connect with built-in power 110, to be provided out
Electric energy.Electric energy input pin 122 is configured to be connected with electric energy output pin 121 by outside control, is opened with starting built-in power 110
Begin to power for key devices 100.
In embodiments of the present invention, since key devices have built-in power, and its outer connector is particularly configured to wrap
Include the electric energy output pin for being provided out electric energy and the electric energy input pin connected by exterior control with electric energy output pin, electric energy
Input pin connected with electric energy output pin with start built-in power starts for key devices power so that allow the present invention it is close
Key equipment automatically can be powered key devices and data switching device when being connected via appropriate data switching device,
Data interaction can easily be carried out by carrying out special manual operation without user.
In one embodiment, at least one number for being used for transmission data-signal is further included referring to Fig. 1, outer connector 120
According to pin 123.Since key devices 100 are commonly used in providing the digital cipher needed for authentication for delivery operation, data are drawn
Foot 123 is preferably arranged to be used for transmission digital signal.If key devices 100 are capable of providing other kinds of key, data are drawn
Foot 123 may also be configured to transmit the signal (such as being loaded with some form of analog signal of data message) of other respective types.
Include data pin to schematically show in outer connector 120 in Fig. 1, illustrate only a data and draw
Foot 123, but those skilled in the art can be appreciated that, in practical applications, can lead to according to actual needs, such as according to used
Believe the requirement of agreement or interface standard, the specific quantity that data pin is set.
Outer connector 120 can be common HDMI interface, DVI interface or USB interface.In some embodiments of the present invention
In, as shown in Figure 2, it is preferred to use five cored wire USB interfaces, more preferably using five cored wire USB female seat interfaces as the present invention
The outer connector 120 of key devices 100.Five common cored wire USB interfaces for example connect including mini USB interfaces, Micro USB
Mouthful etc., its pin includes VCC pin, D+ pins, D- pins, ID pins and GND pin.Especially, these realities in the present invention
Apply in example, the electric energy output pin 121 of outer connector 120 is the ID pins of the five cored wires USB interface, and the electric energy of outer connector is defeated
Enter the VCC pin that pin 122 is five cored wire USB interfaces, at least one data pin 123 of outer connector 120 is five cored wire USB
The D+ pins and/or D- pins of interface.
Correspondingly, present invention also offers a kind of data switching device 300, available for coordinating above-mentioned key devices 100 to make
With.Referring to Fig. 3, which includes first interface 310, second interface 320 and trigger circuit 330, wherein first
Interface 310 is used to connect the first external equipment, and second interface 320 is used to connect the second external equipment, and trigger circuit 330 is connected to
Between first interface 310 and second interface 320, especially, in an embodiment of the present invention, the first of data switching device 300
Interface 310 includes at least electric energy input pin 311 and electric energy output pin 312.Wherein, trigger circuit 330 is at least used for the
Two interfaces 320 from the second external equipment receive trigger signal when, the electric energy output pin 312 of first interface 310 is communicated to the
The electric energy input pin 311 of one interface 310.In some embodiments of the invention, the first external equipment can be described previously
Key devices 100 according to the present invention, the second external equipment can be such as desktop computer, laptop computer, intelligent mobile
The electronic data-processing equipment such as communicating terminal and personal digital assistant.Especially, in an embodiment of the present invention, electric energy input is drawn
Foot 311 is configured to from the first external equipment inputing power, and electric energy is provided to be at least the work of data switching device 300；Electric energy
Output pin 312 is configured to controllably to be communicated to electric energy according to the trigger signal that trigger circuit 330 is received through second interface 320 defeated
Enter pin 311.
In the prior art, data switching device is also equipped with data type conversion/switching etc. in addition to possessing data-transformation facility
Processing function, therefore, data switching device usually require possess built-in power, and data transfer, switching are maintained using built-in power
Etc. function.But for not possessing the data switching device of built-in power, it can not safeguard above-mentioned function.But built-in power is in itself
Weight is relatively heavy, this is a larger burden for itself needing light and handy nimble data switching device, without having
Standby built-in power, and can not safeguarding for the functions such as data transfer, switching can be caused, therefore as insurmountable in the prior art
Technical problem.Data switching device provided in an embodiment of the present invention can be connected using first interface with the first external equipment, and
Received using the electric energy input pin in first interface from externally input electric energy.That is, the data switch dress of the embodiment of the present invention
Putting can utilize extraneous power supply to realize the power supply to itself, safeguard data-transformation facility so that data switching device is more standby
Versatility；Also, since data switching device itself need not possess built-in power, mitigate weight so that data switching device
It is more light and handy nimble, easy to use, add its application range.
In addition, first interface 310 further includes at least one data pin 313, data-signal is used for transmission.As it was previously stated,
Those skilled in the art can be appreciated that the quantity of this data pin is specific definite according to being actually needed.
The first interface 310 of data switching device 300 can be common HDMI interface, DVI interface or USB interface.
In some embodiments of the present invention, it is preferred to use five cored wire USB interfaces, are more preferably made using five cored wire USB male seats interfaces
For the first interface 310 of data switching device 300 of the present invention.
Especially, the electric energy input pin 311 of first interface 310 be the five cored wires USB interface ID pins, first interface
310 electric energy output pin 312 be five cored wire USB interfaces VCC pin, at least one data pin 313 of first interface 310
For the D+ pins and/or D- pins of five cored wire USB interfaces.
In a preferred embodiment, second interface 320 is audio interface, such as MIC plugs or headset plug.
Fig. 4 A show the signal of a part of trigger circuit in data switching device 300 according to an embodiment of the invention
Property block diagram.In a kind of optional embodiment in the present embodiment, as shown in Figure 4 A, trigger circuit 330 includes：Trigger unit
331 and controllable switch 332；Trigger unit 331 is connected between second interface 320 and the first end of controllable switch 332, controllable to open
The second end of pass 332 is electrically connected with electric energy input pin 311, and the 3rd end and the electric energy output pin 312 of controllable switch 332 are electrically connected
Connect；Trigger unit 331, is configured to, when receiving trigger signal from second interface 320, controllable switch 332 be turned on.
In the specific implementation, as a kind of optional mode, controllable switch 332 includes at least metal-oxide-semiconductor (such as N-type MOS
Pipe), the first end of controllable switch is the grid of metal-oxide-semiconductor, and the second end of controllable switch is the source electrode of metal-oxide-semiconductor, the of controllable switch
Three ends are the drain electrode of metal-oxide-semiconductor；Trigger unit, is configured to, when receiving trigger signal from second interface, metal-oxide-semiconductor be turned on.
In addition, controllable switch 332 further includes biasing resistor R2, biasing resistor R2 be connected on metal-oxide-semiconductor edge pole and grid it
Between.
Fig. 4 B show the signal of a part of trigger circuit in data switching device 300 according to an embodiment of the invention
Property line map.Referring to Fig. 4 B, the first interface of the data switching device 300 is five cored wire USB interface CN2, second interface MIC
Plug, is connected by trigger circuit 330 between the two.In order not to fuzzy or cover changing in data switching device 300 of the invention
Into in a kind of optional embodiment in the present embodiment, illustrate only the major part of the trigger circuit in Fig. 4 B, triggering electricity
Remainder that may be present is well known to those skilled in the art and easy to implement in road, and to it, it will not go into details herein.
In a kind of optional embodiment in the present embodiment, as shown in Figure 4 B, trigger unit includes：Biasing resistor R3,
The base stage of resistance R1, positive-negative-positive diode Q3 and NPN type diode Q1, Q3 are connected to second interface MIC interfaces, the transmitting collection of Q3
Electric energy input pin (ID pins) is connected to, receives externally input electric energy VBAT, is connected between the transmitting collection and base stage of Q3
The effect for having biasing resistor R3, R3 is when not having trigger signal, the level of Q3 base stages is drawn high to VBAT so that Q3 will not be led
It is logical, and when receiving trigger signal (high level signal) so that Q3 is turned on, and the collector of Q3 is connected to NPN type two by R1
The base stage of pole pipe Q1, when Q3 is turned on, the level of VCC1 is VBAT so that Q1 is turned on, and the transmitting collection of Q1 meets GND, is turned in Q1
When, the level of the grid of Q2 (P-channel MOS) is pulled down to low level, and at this time, Q2 conductings, the source electrode connection electric energy input of Q2 is drawn
Foot (ID pins), receives externally input electric energy VBAT, the drain electrode connection electric energy output pin (VCC pin) of Q2, it is illustrated that VBUS,
When Q2 is turned on, ID pins are connected with VCC pin, i.e., VBAT is connected with VBUS.Biasing resistor R2 is connected on the edge pole of metal-oxide-semiconductor
Between grid, biasing resistor R2 has two effects：When being not received by trigger signal, R2 is by the level of the grid of Q2
Draw so that Q2 ends；When receiving trigger signal, VBAT (will not be directly connected) by current limliting with GND, while actuation voltage is extremely
Low level so that Q2 is turned on.Thus, when data switching device 300 accesses the second external equipment (such as mobile phone), connect from MIC interfaces
High level signal (trigger signal) is received, VBAT and VBUS can be turned on, so that first with data switching device 300
The corresponding ID pin of first external equipment of interface CN2 connections is also connected with VCC pin, and the first external equipment can be started confession
Electricity work.
As shown in figure 5, present invention also offers a kind of data interaction component, it includes 100 He of key devices of the present invention
With the data switching device 300 of the present invention.In such data interaction component, outer connector 120 and the number of key devices 100
It is configured to be operatively connected to one another according to the first interface 310 of switching device 300, so that key devices 100 are used as
The first external equipment being connected with data switching device 300.Wherein, the electric energy output of the outer connector 120 of key devices 100 is drawn
The electric energy input pin 311 of foot 121 and the first interface 310 of data switching device 300 is configured to operationally each other connect
Connect, the electric energy input pin 122 of the outer connector 120 of key devices 100 and the first interface 310 of data switching device 300
Electric energy output pin 312 is configured to be operatively connected to one another.
In the prior art, data switching device is generally configured with built-in power, and the work(of data transfer is maintained using built-in power
Energy.But for not possessing the data switching device of built-in power, it can not safeguard data-transformation facility.Therefore, the present invention provides
Data switching device combined with key devices, formed data interaction component, using the built-in power of key devices be data turn
Connection device is powered, to realize data-transformation facility so that even if data switching device does not possess built-in power, can also utilize it
The key devices that he possesses built-in power are powered for it so that data switching device is more for versatility.
As shown in fig. 6, present invention also offers a kind of data interaction system, it includes：The key devices 100 of the present invention
(as shown in Figure 1), the data switching device 300 (as shown in Figure 3) and terminal device 600 of the present invention.In such data interaction
In system, the outer connector 120 of key devices 100 is configured to operable with the first interface 310 of data switching device 300
Ground is connected to each other, so that key devices 100 are used as the first external equipment being connected with data switching device 300；Terminal is set
Standby 600 terminal interface 610 and the second interface 320 of data switching device 300 are configured to operationally each other connect
Connect, so that terminal device 600 is used as the second external equipment being connected with data switching device 300.
A further object of the invention is caused in the data interaction system of the present invention, necessary in completion
After cable connection, you can key devices and data switching device are powered automatically using the built-in power in key devices,
Particularly it is manually operated without user, easy to use, application range is wider.
Fig. 7 shows the schematic circuit diagram of data interaction system according to an embodiment of the invention.Key devices 100
Outer connector CN1 be connected with the first interface CN2 of data switching device 300, wherein both have like-identified pins one
One accordingly interconnects.ID pins in CN1 are connected with the anode or feeder ear VBAT of 100 built-in power of key devices, in CN1
The cathode or ground terminal GND connections of GND pin and built-in power.The second interface of data switching device 300 (is shown as MIC in figure
Plug) insertion terminal device (such as smart mobile phone) when, from terminal device can receive voltage signal.This voltage signal can
Turn on triode Q3, the VCC1 being connected with Q3 is connected with VBAT.Because VCC1 is there are voltage, so cause triode Q1 conducting and
Q2 is turned on so that VBUS is connected with VBAT.Because VBUS is connected to the VCC pin of the CN2 of data switching device 300, and this draws
VCC pin of the foot at this time with the CN1 of key devices 100 is connected, therefore VBUS can be utilized to provide electric energy to key devices 100,
Key devices 100 are enabled to carry out data interaction between data switching device 300 and terminal device.
As shown in Figure 8 and Figure 9, the present embodiment also provides a kind of equipment starting method, using data interaction as described above
System, connection relation between all parts as described above, details are not described herein, only method flow is briefly described as
Under：
Fig. 8 shows the flow chart of equipment starting method according to an embodiment of the invention.The equipment starting method bag
Include：
Step S801, the second interface of data switching device receives trigger signal from the terminal interface of terminal device；
Wherein, as a kind of optional mode, trigger signal can be a kind of voltage signal of high level.
Step S802, the trigger signal that the trigger circuit of data switching device is received according to second interface, by data switch
The electric energy output pin of the first interface of device is communicated to the electric energy input pin of first interface, with least start key devices into
Row work.
The data switching device of the present invention is combined with key devices, is formed data interaction component, is utilized data switching device
The trigger signal from terminal device is received, the electric energy output pin for triggering first interface is communicated to electric energy input pin, so that
Supplying power for outside, at least to start key devices work, completes the premise that key devices are outwards powered, is for follow-up key devices
The power supply of other external equipments (including data switching device) provides the foundation.Data switching device is configured to receive in second interface
The electric energy output pin and electric energy input pin of its first interface are just connected after to trigger signal so that setting according to the present invention
Start work in startup method, only correctly connecting in whole system and can just start key devices after corresponding external device start
Make, This effectively reduces the unnecessary power consumption to key devices built-in power, significantly extend key devices in-built electrical
The usage time that source is once replaced or charges.
Fig. 9 shows the flow chart of another equipment starting method according to an embodiment of the invention.The equipment starts
Method includes：
Step S901, the electric energy output pin of the outer connector of key devices is connected with the built-in power of key devices, to
The electric energy input pin output electric energy of data switching device, electric energy is provided to be at least the work of data switching device；
Step S902, the second interface of data switching device receives trigger signal from the terminal interface of terminal device；According to
The trigger signal that second interface receives, data switch dress is communicated to by the electric energy output pin of the first interface of data switching device
The electric energy input pin for the first interface put, so that the electric energy input pin of the first interface of key devices is communicated to key and sets
The electric energy output pin of standby first interface, starts to power for key devices to start built-in power.
Wherein, as a kind of optional mode, trigger signal can be a kind of voltage signal of high level.
The data switching device of the present invention is combined with key devices, data interaction component is formed, using in key devices
Put power supply to power for data switching device, to realize data-transformation facility so that even if data switching device does not possess in-built electrical
Source, can also utilize other to possess the key devices of built-in power and power for it so that data switching device is more for versatility.
So far, although those skilled in the art will appreciate that detailed herein have shown and described multiple showing for the present invention
Example property embodiment, still, without departing from the spirit and scope of the present invention, still can according to the present invention disclosure it is direct
Determine or derive many other variations or modifications for meeting the principle of the invention.Therefore, the scope of the present invention is understood that and recognizes
It is set to and covers other all these variations or modifications.
Claims (17)
1. a kind of key devices, including built-in power and outer connector, it is characterised in that the outer connector includes：
Electric energy output pin, is configured to connect with the built-in power, to export electric energy to data switching device；With
Electric energy input pin, is configured to be connected with the electric energy output pin by data switching device control, to start
Built-in power is stated to start to power for the key devices.
2. key devices according to claim 1, it is characterised in that
The outer connector further includes at least one data pin, is used for transmission data-signal.
3. key devices according to claim 2, it is characterised in that
The outer connector is five cored wire USB interfaces；
The electric energy output pin of the outer connector is the ID pins of the five cored wires USB interface；
The electric energy input pin of the outer connector is the VCC pin of the five cored wires USB interface；And
At least one data pin of the outer connector is the D+ pins and/or D- pins of the five cored wires USB interface.
4. key devices according to claim 3, it is characterised in that
The outer connector is five cored wire USB female seat interfaces.
5. a kind of data switching device, including for connecting the first interface of the first external equipment, being set for connecting outside second
Standby second interface, it is characterised in that
The data switching device further includes：The trigger circuit being connected between the first interface and the second interface, matches somebody with somebody
It is set to when the second interface receives trigger signal from second external equipment, the electric energy of the first interface is exported
Pin is communicated to the electric energy input pin of the first interface；
The first interface includes：
Electric energy input pin, is configured to from the first external equipment inputing power, to be at least the data switching device
Work provides electric energy, and first external equipment includes built-in power；With
Electric energy output pin, is configured to controllably be communicated to the electric energy input pin according to the trigger signal, to start
Built-in power is stated to start to power for first external equipment.
6. data switching device according to claim 5, it is characterised in that
The trigger circuit includes：Trigger unit and controllable switch；
The trigger unit is connected between the second interface and the first end of the controllable switch, and the of the controllable switch
Two ends are electrically connected with the electric energy input pin, and the 3rd end of the controllable switch is electrically connected with the electric energy output pin；
The trigger unit, is configured to when the second interface receives trigger signal from second external equipment, by institute
The second end for stating controllable switch is connected with the 3rd end.
7. data switching device according to claim 6, it is characterised in that
The controllable switch includes at least metal-oxide-semiconductor, and the first end of the controllable switch is the grid of the metal-oxide-semiconductor, described controllable
The second end of switch is the source electrode of the metal-oxide-semiconductor, and the 3rd end of the controllable switch is the drain electrode of the metal-oxide-semiconductor；
The trigger unit, is configured to, when receiving trigger signal from the second interface, the metal-oxide-semiconductor be turned on.
8. data switching device according to claim 7, it is characterised in that
The controllable switch further includes biasing resistor, and the biasing resistor is connected between the edge pole of the metal-oxide-semiconductor and grid.
9. data switching device according to claim 5, it is characterised in that
The first interface further includes at least one data pin, is used for transmission data-signal.
10. data switching device according to claim 9, it is characterised in that
The first interface is five cored wire USB interfaces；
The electric energy input pin of the first interface is the ID pins of the five cored wires USB interface；
The electric energy output pin of the first interface is the VCC pin of the five cored wires USB interface；
At least one data pin of the first interface is the D+ pins and/or D- pins of the five cored wires USB interface.
11. data switching device according to claim 10, it is characterised in that
The first interface is five cored wire USB male seat interfaces.
12. according to claim 5 to 11 any one of them data switching device, it is characterised in that
The second interface is audio interface.
A kind of 13. data interaction component, it is characterised in that including：
Claims 1-4 any one of them key devices；With
Claim 5 to 12 any one of them data switching device, wherein the outer connector of the key devices and the number
It is configured to be operatively connected to one another according to the first interface of switching device, the key devices are used as and the data switch
First external equipment of device connection；
Wherein, the electricity of the electric energy output pin of the outer connector of the key devices and the first interface of the data switching device
Energy input pin is configured to be operatively connected to one another, the electric energy input pin of the outer connector of the key devices and institute
The electric energy output pin for stating the first interface of data switching device is configured to be operatively connected to one another, so that by the number
Start the built-in power according to switching device control to start to power for the key devices.
14. data interaction component according to claim 13, it is characterised in that
Second external equipment includes desktop computer, laptop computer, Intelligent mobile communication terminal and personal digital assistant.
A kind of 15. data interaction system, it is characterised in that including：
Claims 1-4 any one of them key devices；
Claim 5 to 12 any one of them data switching device, wherein the outer connector of the key devices and the number
Be configured to be operatively connected to one another according to the first interface of switching device so that the key devices be used as with it is described
First external equipment of data switching device connection, is institute starting the built-in power by data switching device control
State key devices power supply；With
Terminal device, wherein the second interface of a terminal interface and the data switching device for the terminal device is configured to
Can be operatively connected to one another so that the terminal device be used as be connected with the data switching device second outside
Equipment.
A kind of 16. equipment starting method for data interaction system described in claim 15, it is characterised in that including：
The second interface of the data switching device receives trigger signal from the terminal interface of the terminal device；And
The trigger signal that the trigger circuit of the data switching device is received according to the second interface, the data switch is filled
The electric energy output pin for the first interface put is communicated to the electric energy input pin of the first interface, at least to start the key
Equipment works.
A kind of 17. equipment starting method for data interaction system described in claim 15, it is characterised in that including：
The electric energy output pin of the outer connector of the key devices is connected with the built-in power of the key devices, to institute
The electric energy input pin output electric energy of data switching device is stated, electric energy is provided to be at least the work of the data switching device；
The second interface of the data switching device receives trigger signal from the terminal interface of the terminal device；According to institute
The trigger signal of second interface reception is stated, the electric energy output pin of the first interface of the data switching device is communicated to
The electric energy input pin of the first interface of the data switching device, so that the outer connector of the key devices
Electric energy input pin be communicated to the key devices the outer connector electric energy output pin, to start the in-built electrical
Source starts to power for the key devices.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510096990.8A CN104715184B (en) | 2015-03-04 | 2015-03-04 | Key devices, data switching device, component and system and equipment starting method |
| PCT/CN2016/074664 WO2016138834A1 (en) | 2015-03-04 | 2016-02-26 | Secret key device, data switching apparatus, component and system and device starting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510096990.8A CN104715184B (en) | 2015-03-04 | 2015-03-04 | Key devices, data switching device, component and system and equipment starting method |
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| Publication Number | Publication Date |
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| CN104715184A CN104715184A (en) | 2015-06-17 |
| CN104715184B true CN104715184B (en) | 2018-04-27 |
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| CN201510096990.8A Active CN104715184B (en) | 2015-03-04 | 2015-03-04 | Key devices, data switching device, component and system and equipment starting method |
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| WO (1) | WO2016138834A1 (en) |
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| CN104715184B (en) * | 2015-03-04 | 2018-04-27 | 天地融科技股份有限公司 | Key devices, data switching device, component and system and equipment starting method |
| CN105677600A (en) * | 2015-12-28 | 2016-06-15 | 联想(北京)有限公司 | Switching device and switching method |
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| CN104715184B (en) * | 2015-03-04 | 2018-04-27 | 天地融科技股份有限公司 | Key devices, data switching device, component and system and equipment starting method |
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| CN102544953A (en) * | 2011-12-06 | 2012-07-04 | 深圳市文鼎创数据科技有限公司 | Self-adaptive audio frequency switching device and method |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN104715184A (en) | 2015-06-17 |
| WO2016138834A1 (en) | 2016-09-09 |
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