CN209674371U - A kind of bluetooth USB Key circuit - Google Patents
A kind of bluetooth USB Key circuit Download PDFInfo
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- CN209674371U CN209674371U CN201920519798.9U CN201920519798U CN209674371U CN 209674371 U CN209674371 U CN 209674371U CN 201920519798 U CN201920519798 U CN 201920519798U CN 209674371 U CN209674371 U CN 209674371U
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Abstract
The utility model provides the circuit of bluetooth USB key a kind of, it include: USB insertion interface module, main system control module, bluetooth module, key module, it is characterized by: the interface of the USB insertion interface module connects external equipment, the USB insertion interface module is connect with the main system control module, and the main system control module is also connect with the bluetooth module, the key module respectively.Technical solution according to the present utility model, the cumbersome and bigger risk of divulging a secret of communication process caused by needing to bridge by PC when can communicate to avoid generation bluetooth USB Key with mobile phone terminal, while can also need to increase the cost of battery module, charge management module to avoid the USB Key with bluetooth module.
Description
Technical field
The utility model relates in general to the field USB Key, more particularly, to a kind of technology of bluetooth USB Key circuit.
Background technique
Generation USB Key product more and more needs to carry out safety certification with the terminal in addition to computer equipment logical at present
Letter, such as mobile phone.And general generation USB Key only one USB interface, usually USB2.0 interface, connect the end PC, both with
The end PC communicate and receive the power supply at the end PC, due to not having the interface of USB2.0 on mobile phone, so existing generation USB Key
It can not directly be communicated with mobile phone.It solves there are two types of the modes that USB Key can not directly be communicated with mobile phone: one, USB
Key is communicated with the end PC, is then connect with mobile phone by USB by the application program of PC or bluetooth connection is communicated；Two, one
Bluetooth module is added for USB Key, allows to directly carry out secure authenticated communication with mobile phone.However, the former USB Key and hand
The communication of machine needs to cause communication process cumbersome by this bridge of PC and increases the risk of divulging a secret on access；And the latter USB
The circuit of Key would generally design battery module and charge management module, increase circuit cost.
Utility model content
In view of the above problems, the purpose of the utility model is to overcome generation USB Key in the prior art can not directly with
The problem of mobile phone terminal communicates, provides the circuit of bluetooth USB Key a kind of.
It is according to the present utility model in a first aspect, provide the circuit of bluetooth USB Key a kind of, including include: that USB insertion connects
Mouth mold block, main system control module, bluetooth module, key module, it is characterised in that: the interface of the USB insertion interface module connects
Connect external equipment, the USB insertion interface module is connect with the main system control module, the main system control module also respectively with
The bluetooth module, key module connection.
Optionally, the interface of the USB insertion interface module is USB2.0 interface.
Optionally, the external equipment is the end PC or charging equipment.
Optionally, under non-bluetooth mode, the main system control module is only connect with USB insertion interface module；Bluetooth
Under mode, the main system control module not only connect with USB insertion interface module but also connect with bluetooth module.
Optionally, under bluetooth mode, USB Key is communicated by bluetooth module with mobile phone terminal, and the external equipment is logical
The USB insertion interface module is crossed to power to the main system control module and the bluetooth module.
Optionally, under non-bluetooth mode, the USB Key by main system control module and USB be inserted into interface module with
The external equipment communication, while the external equipment is powered to the main system control module.
Optionally, bluetooth mode or non-bluetooth mode are determined according to the push button signalling or plug signal that receive.
Optionally, when the received push button signalling of USB Key be it is long on time, mode is switched into bluetooth mode, when USB Key connects
When the push button signalling of receipts is short-press, mode is switched into non-bluetooth mode；Alternatively, when the received push button signalling of USB Key is long-pressing
When, mode is switched into non-bluetooth mode, when the received push button signalling of USB Key is short-press, mode is switched into bluetooth mode；Or
Person just carries out pattern switching when USB Key receives push button signalling；Wherein, the pattern switching is to switch to from bluetooth mode
Non- bluetooth mode switchs to bluetooth mode from non-bluetooth mode.
Optionally, after USB Key disconnects the connection with the first external equipment in re-attached to the second external equipment
When, mode is switched into the mode different from current operation mode.
Optionally, which is characterized in that the first external equipment and the second external equipment are same equipment or distinct device.
Utility model has the advantages that
1) technical solution according to the present utility model, can remove from when generation USB Key is communicated with mobile phone terminal will pass through
The increase that is cumbersome and also avoiding increasing the risk of divulging a secret that communication path causes on access of PC bridge joint.
2) technical solution according to the present utility model can remove from and load onto battery module and Charge Management mould in USB Key
Block reduces circuit cost.
Detailed description of the invention
Fig. 1 shows a kind of embodiment circuit diagram of bluetooth USB Key according to the present utility model a kind of.
Fig. 2 shows a kind of another embodiment circuit diagrams of bluetooth USB Key according to the present utility model.
Fig. 3 shows the another embodiment circuit diagram of bluetooth USB Key according to the present utility model a kind of.
Specific embodiment
The preferred embodiment of the utility model is described in detail with reference to the accompanying drawing, reference label refers to that this is practical new
Component, technology in type, so as to the advantages of the utility model and feature is realized under appropriate circumstances can be easier to be understood.Under
The description in face is the materialization to the utility model claims, and relevant to claim other is not clearly stated
Specific implementation also belongs to the scope of the claims.
Fig. 1 shows a kind of embodiment circuit diagram of bluetooth USB Key according to the present utility model a kind of.
As shown in Figure 1, a kind of circuit of bluetooth USB key, comprising: USB is inserted into interface module, main system control module, indigo plant
Tooth module, key module, it is characterised in that: the interface of the USB insertion interface module connects external equipment, the USB insertion
Interface module is connect with the main system control module, the main system control module also respectively with the bluetooth module, the key
Module connection.
In the present invention, the circuit design of bluetooth USB Key a kind of is provided, wherein bluetooth module is only connected to
Main system control module, that is, power without setting battery module in circuit to it when bluetooth module work, but by system master
Control module powers to it, and the power supply unit that main system control module is located against USB insertion interface module connection powers to it, therefore
It when bluetooth USB work is under bluetooth state, or powers by external power supply unit to it, bluetooth USB Key at this time is not required to
Wanting internal includes battery module, but needs USB Key external charge equipment.When bluetooth USB Key works in non-bluetooth state
When, it is communicated by main system control module with the external equipment such as end PC, external equipment USB Key is powered.
In the prior art, when USB Key needs and mobile phone is communicated, if being needed in USB Key without bluetooth module
USB Key is wanted to communicate first with external equipment such as PC, the end PC is led to mobile phone by bluetooth or USB using application program
Letter is bridge joint connection USB Key and mobile phone terminal by PC in this way, but such a intermediate bridging device will cause it is logical
Letter process is many and diverse, and increases the risk divulged a secret；It, in the prior art usually can also be in USB after USB Key increases bluetooth module
Increase battery module and charge management module in Key, causes the increase of the cost of circuit design in this way.
And the USB Key of the utility model, by bluetooth module and external mobile phone terminal communication, is used under bluetooth mode
External equipment is powered, and has both realized the direct communication of USB Key and mobile phone in this way, in turn avoids being arranged in USB Key
Battery module and battery management module save the cost of USB Key internal circuit.
Further, which is characterized in that the interface of the USB insertion interface module is USB2.0 interface.
Further illustrating USB insertion interface herein is USB2.0 interface, the i.e. common external interface in the end PC.
Further, which is characterized in that the external equipment is the end PC or charging equipment.
Further illustrate which equipment external equipment is specially herein, specifies that external equipment is usually the end PC, such as
Desktop computer perhaps laptop perhaps charging equipment such as charger baby or charge power supply.
Further, which is characterized in that under non-bluetooth mode, the main system control module is only connect with USB insertion
The connection of mouth mold block；Under bluetooth mode, the main system control module not only connect with USB insertion interface module but also connects with bluetooth module
It connects.
Two kinds of operating modes of USB Key have been further clarified herein, and main system control module passes through USB under non-bluetooth mode
Insertion interface module is communicated with external equipment, and bluetooth module is not involved in the operation of USB Key at this time；System under bluetooth mode
Main control module not only connect with USB insertion interface module but also connect with bluetooth module, and main system control module and USB are inserted into interface module
Connection receives the power supply of external power supply unit, and then main system control module is also connected with bluetooth module, the electricity supplied with external equipment
It powers to bluetooth module and bluetooth module is supported to communicate with external mobile phone terminal.
Further, circuit diagram as shown in Figure 2, under bluetooth mode, USB Key is whole by bluetooth module and mobile phone
End communication, the external equipment are inserted into interface module by the USB and supply the main system control module and the bluetooth module
Electricity.
The power supply and communication scenario under bluetooth mode inside USB Key are further illustrated herein.Wherein, bluetooth module is used
It is communicated in mobile phone terminal, USB is inserted into the electricity that interface module supplies external equipment and is sent into main system control module and bluetooth module.
Further, circuit diagram as shown in Figure 3, under non-bluetooth mode, the USB Key passes through system master mould
Block and USB insertion interface module are communicated with the external equipment, while the external equipment is powered to the main system control module.
The power supply and communication scenario under non-bluetooth mode inside USB Key are further illustrated herein.Wherein, system master
Module is inserted into interface module by the USB of intermediate bridge joint and is communicated with external equipment, such as USB Key is inserted on PC and is led to
Letter, USB Key brings into operation after plugging, and PC is that USB Key is powered, that is, external equipment gives system master mould
Block power supply, guarantees the normal operation of USB Key.
Further, which is characterized in that according to the push button signalling or plug signal that receive determine bluetooth mode or
The non-bluetooth mode of person.
It further illustrates through push button signalling or plug signal herein and switches different modes.
Further, it is characterised in that when the received push button signalling of USB Key be it is long on time, mode is switched into bluetooth mould
Mode is switched to non-bluetooth mode when the received push button signalling of USB Key is short-press by formula, alternatively, when USB Key is received
Pattern switching is just carried out when push button signalling；Wherein, the pattern switching is to switch to non-bluetooth mode from bluetooth mode or from non-
Bluetooth mode switchs to bluetooth mode.
Further illustrate herein how by key range signal come switching working mode, a kind of situation be different
Different push button signallings is arranged in operating mode, such as long-pressing correspondence is exactly bluetooth mode, and corresponding short-press is just non-bluetooth mode,
When mode is gone to bluetooth mode at this time on time to be long by the received push button signalling of USB Key, when the received key letter of USB Key
Number be short-press when, mode is gone into non-bluetooth mode at this time；Can also with long-pressing it is corresponding be non-bluetooth mode, short-press is corresponding to be
Bluetooth mode, when the received push button signalling of USB Key be it is long on time, mode is gone into non-bluetooth mode at this time, when USB Key connects
When the push button signalling of receipts is short-press, mode is gone into bluetooth mode at this time；Or for push button signalling regardless of long-pressing and short-press, only
Push button signalling is received, operational mode is just changed, such as present mode of operation is bluetooth mode, when receiving a push button signalling
Operational mode is all gone to non-bluetooth mode from bluetooth mode, in another example present mode of operation is by either long-pressing or short-press
Non- bluetooth mode all goes to operational mode from non-bluetooth mode when receiving a push button signalling either long-pressing or short-press
Bluetooth mode.
Further, which is characterized in that re-attached arrives after USB Key disconnects the connection with the first external equipment
When on the second external equipment, mode is switched into non-bluetooth mode.
The trigger signal of another switching working mode is more clearly illustrated herein --- plug signal works as USB
When after the connection of Key the first external equipment of disconnection in re-attached to the second equipment, USB Key detects that this plug is believed
Number, switch to non-bluetooth mode with regard to carrying out the switching of one action mode, such as from bluetooth mode, or switch to from non-bluetooth mode
Bluetooth mode.
Further, which is characterized in that the first external equipment and the second external equipment are that same equipment or difference are set
It is standby.
It clearly illustrates herein, the generation of plug signal can be pulled up from an external equipment to be inserted into another again and external set
It is standby upper, or pull up be inserted into the same equipment on one device.
The utility model is limited it should be noted that above-described embodiment illustrates rather than the utility model
System, and those skilled in the art can be designed alternative embodiment without departing from the scope of the appended claims.In
In claim, any reference symbol between parentheses should not be configured to limitations on claims.
Claims (10)
1. a kind of circuit of bluetooth USB key, comprising: USB is inserted into interface module, main system control module, bluetooth module, key mould
Block, it is characterised in that: the interface of USB insertion interface module connects external equipment, the USB insertion interface module with it is described
Main system control module connection, the main system control module are also connect with the bluetooth module, the key module respectively.
2. circuit according to claim 1, which is characterized in that the interface of the USB insertion interface module connects for USB2.0
Mouthful.
3. circuit according to claim 1, which is characterized in that the external equipment is the end PC or charging equipment.
4. circuit according to claim 1, which is characterized in that under non-bluetooth mode, the main system control module only with institute
State USB insertion interface module connection；Under bluetooth mode, the main system control module not only with USB insertion interface module connect but also with
Bluetooth module connection.
5. circuit according to claim 4, which is characterized in that under bluetooth mode, USB Key passes through bluetooth module and hand
The communication of machine terminal, the external equipment are inserted into interface module to the main system control module and the bluetooth mould by the USB
Block power supply.
6. circuit according to claim 4, which is characterized in that under non-bluetooth mode, the USB Key passes through system master
Control module and USB insertion interface module are communicated with the external equipment, while the external equipment gives the main system control module
Power supply.
7. circuit according to claim 4, which is characterized in that determined according to the push button signalling or plug signal received
Bluetooth mode or non-bluetooth mode.
8. circuit according to claim 7, which is characterized in that when the received push button signalling of USB Key is to grow on time, by mould
Formula switchs to bluetooth mode, when the received push button signalling of USB Key is short-press, mode is switched to non-bluetooth mode, alternatively, working as
Mode on time, is switched to non-bluetooth mode, when the received push button signalling of USB Key is for length by the received push button signalling of USB Key
When short-press, mode is switched into bluetooth mode；Alternatively, just carrying out pattern switching when USB Key receives push button signalling；Wherein,
The pattern switching is to switch to non-bluetooth mode from bluetooth mode or switch to bluetooth mode from non-bluetooth mode.
9. circuit according to claim 7, which is characterized in that after USB Key disconnects the connection with the first external equipment
When in re-attached to the second external equipment, mode is switched into the mode different from current operation mode.
10. circuit according to claim 9, which is characterized in that the first external equipment and the second external equipment are same set
Standby or distinct device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920519798.9U CN209674371U (en) | 2019-04-16 | 2019-04-16 | A kind of bluetooth USB Key circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920519798.9U CN209674371U (en) | 2019-04-16 | 2019-04-16 | A kind of bluetooth USB Key circuit |
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| Publication Number | Publication Date |
|---|---|
| CN209674371U true CN209674371U (en) | 2019-11-22 |
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ID=68574309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920519798.9U Active CN209674371U (en) | 2019-04-16 | 2019-04-16 | A kind of bluetooth USB Key circuit |
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| Country | Link |
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| CN (1) | CN209674371U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113068164A (en) * | 2021-02-09 | 2021-07-02 | 国网上海能源互联网研究院有限公司 | Power distribution terminal local safety operation and maintenance method and system based on Bluetooth communication |
-
2019
- 2019-04-16 CN CN201920519798.9U patent/CN209674371U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113068164A (en) * | 2021-02-09 | 2021-07-02 | 国网上海能源互联网研究院有限公司 | Power distribution terminal local safety operation and maintenance method and system based on Bluetooth communication |
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