CN208589930U - Smart card - Google Patents
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- CN208589930U CN208589930U CN201820918201.3U CN201820918201U CN208589930U CN 208589930 U CN208589930 U CN 208589930U CN 201820918201 U CN201820918201 U CN 201820918201U CN 208589930 U CN208589930 U CN 208589930U
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Abstract
The utility model provides a kind of smart card, comprising: intelligent card chip, coil, electricity-fetching module, power consumption control module, peripheral module；The input terminal of the electricity-fetching module is connect with the coil, for the alternating current received from the coil to be converted to direct current；It is connected between the output end of the electricity-fetching module and the peripheral module by the power consumption control module；The power consumption control module is for controlling the power consumption of the peripheral module.Smart card provided by the utility model makes it in contactless communication interactive process, does not interfere to radiofrequency field, ensured stability, the reliability of contactless communication, improved the communication accuracy of smart card by controlling the power consumption of peripheral module.
Description
Technical field
The utility model belongs to technical field of intelligent card more particularly to a kind of smart card.
Background technique
With the continuous development and continuous improvement of people's living standards of electronics technology, the application of smart card is also increasingly wider
It is general.Smart card can realize that data are transmitted by non-contact channel, have easy to carry, high reliability, high security etc. excellent
Gesture.
In the prior art, smart card generally includes intelligent card chip and coil, and intelligent card chip can pass through coil and reading
Card device carries out information transmission.In order to improve the performance of smart card, peripheral module can be increased within a smart card according to actual needs,
Such as display module, input module, bluetooth module, fingerprint module, so that smart card be made to can be realized more functions.This feelings
Under condition, peripheral module may need to obtain electric energy from the coil of smart card, be easy to influence the stability of contactless communication, can
By property, smart card communications is caused to malfunction.
Utility model content
In view of this, the utility model embodiment provides a kind of smart card, peripheral module in the prior art can solve
It is easy the technical issues of influencing the stability of smart card communications.
The utility model embodiment provides a kind of smart card, comprising: intelligent card chip, coil, electricity-fetching module, power consumption control
Module, peripheral module；
The input terminal of the electricity-fetching module is connect with the coil, the alternating current conversion for will receive from the coil
For direct current；
It is connected between the output end of the electricity-fetching module and the peripheral module by the power consumption control module；
The power consumption control module is for controlling the power consumption of the peripheral module.
Optionally, the power consumption control module includes current regulator diode.
Alternatively, the power consumption control module includes constant current triode and triode control chip, the triode controls core
Piece is connect with the control terminal of the constant current triode, for adjusting the output electric current of the constant current triode.
Optionally, the power consumption control module further include: the first voltage-stabiliser tube and first capacitor；
First voltage-stabiliser tube and the first capacitor are in parallel with the peripheral module.
Optionally, the power consumption control module further include: linear voltage regulator；
The input terminal of the linear voltage regulator is connect with the electricity-fetching module, output end and the current regulator diode or described
Constant current triode connection.
Optionally, the power consumption control module includes controller；
The controller connects with the output end of the electricity-fetching module, the peripheral module and the intelligent card chip respectively
It connects, the control signal for being exported according to the intelligent card chip controls the power consumption of the peripheral module.
Optionally, when the intelligent card chip carries out data interaction by the coil, the controller enters constant
Power consumption mode；When the intelligent card chip carries out data processing, the controller exits constant power dissipation mode.
Existing beneficial effect is the utility model embodiment compared with prior art: provided by the embodiment of the utility model
Smart card, including intelligent card chip, coil, electricity-fetching module, power consumption control module, peripheral module, the input of the electricity-fetching module
End is connect with the coil, for the alternating current received from the coil to be converted to direct current, the electricity-fetching module it is defeated
It is connected between outlet and the peripheral module by the power consumption control module, the power consumption control module is used for the peripheral hardware
The power consumption of module is controlled, and by controlling the power consumption of peripheral module, makes it in contactless communication interactive process, not to radio frequency
Field interferes, and has ensured stability, the reliability of contactless communication, has improved the communication accuracy of smart card.
Detailed description of the invention
It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this is practical new
Some embodiments of type for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural block diagram for the smart card that the utility model embodiment one provides；
Fig. 2 is the circuit diagram for the smart card that the utility model embodiment two provides；
Fig. 3 is the circuit diagram for the smart card that the utility model embodiment three provides；
Fig. 4 is the circuit diagram for the smart card that the utility model embodiment four provides；
Fig. 5 is the structural block diagram for the smart card that the utility model embodiment five provides；
Fig. 6 is the flow chart for the intelligent card control method that the utility model embodiment six provides；
Fig. 7 is the structural block diagram for the smart card control device that the utility model embodiment seven provides.
Appended drawing reference:
1- coil 2- electricity-fetching module 3- power consumption control module 4- peripheral module
5- intelligent card chip 201- rectifier circuit 202- the second voltage-stabiliser tube the second capacitor of 203-
301- current regulator diode 302- the first voltage-stabiliser tube 303- first capacitor 304- linear voltage regulator
305- third capacitor 306- constant current triode 307- triode controls chip 308- controller
Specific embodiment
In being described below, for illustration and not for limitation, the tool of such as particular system structure, technology etc is proposed
Body details, to understand thoroughly the utility model embodiment.However, it will be clear to one skilled in the art that there is no these
The utility model also may be implemented in the other embodiments of detail.In other situations, omit to well-known system,
The detailed description of apparatus, circuit and method, in case unnecessary details interferes the description of the utility model.
In order to illustrate technical solution described in the utility model, the following is a description of specific embodiments.
Embodiment one
The utility model embodiment one provides a kind of smart card.Fig. 1 is the smart card that the utility model embodiment one provides
Structural block diagram.As shown in Figure 1, the smart card in the present embodiment, comprising: coil 1, electricity-fetching module 2, power consumption control module 3, outer
If module 4, intelligent card chip 5；
The input terminal of the electricity-fetching module 2 is connect with the coil 1, the alternating current for will receive from the coil 1
Be converted to direct current；
It is connected between the output end and the peripheral module 4 of the electricity-fetching module 2 by the power consumption control module 3；
The power consumption control module 3 is for controlling the power consumption of the peripheral module 4；
The intelligent card chip 5 is connect with the coil 1, and when carrying out contactless communication, smart card is placed on card reading
In the radiofrequency field of device, the intelligent card chip 5 can take electricity by the coil 1, and be communicated with card reader.
The electricity-fetching module 2 can exchange the module for turning direct current, such as rectifier etc. arbitrarily to can be realized.
The output end of the electricity-fetching module 2 is connect with the input terminal of the power consumption control module 3, the power consumption control module
3 output end is connect with the peripheral module 4, and the power consumption control module 3 is using from the electric energy that the electricity-fetching module 2 obtains
The peripheral module 4 is powered, while can be controlled the power consumption of the peripheral module 4, so that the function of the peripheral module 4
Consumption meets preset condition.
The power consumption of the peripheral module 4 meets preset condition, may include: the input voltage holding of the peripheral module 4
In predetermined voltage range and/or the input current of the peripheral module 4 is maintained at predetermined current range and/or the peripheral hardware
The power consumption of module 4 is maintained within the scope of preset power consumption.
Optionally, the power consumption of the peripheral module 4 meets preset condition, can specifically include: in the intelligent card chip 5
With in card reader communication process (or when the intelligent card chip 5 may be communicated with card reader), the peripheral module 4
Input voltage is maintained in predetermined voltage range and/or the input current of the peripheral module 4 is maintained at predetermined current range,
And/or the power consumption of the peripheral module 4 is maintained within the scope of preset power consumption.
Wherein, the intelligent card chip 5 may be communicated with card reader, can refer to smart card be in etc. finger to be received
The state of order or data.It, can be to the peripheral module 4 during the intelligent card chip 5 communicates or prepares communication
Voltage, electric current or power consumption are limited, and when other, can release the limitation to the peripheral module 4.
The predetermined voltage range, predetermined current range and preset power consumption range can be arranged according to actual needs, example
Such as, the predetermined voltage range can be 0 to 3.7V.
The power consumption control module 3 can pass through voltage-stablizer, constant flow module, voltage regulator module, current regulating module, function
Controller etc. is consumed to realize.There are many kinds of concrete implementation modes, the present embodiment to this with no restriction.
The peripheral module 4 can be the module that can arbitrarily integrate on smart cards.For example, the peripheral module 4 can be with
Including at least one of following:
Display module, such as display screen, for showing OTP or DCVV2 code；
Input module can be key, touch screen etc., for inputting information for user；
Bluetooth module, for realizing bluetooth connection and communication with external equipment；
Fingerprint module, for obtaining the finger print information of user and being identified to the finger print information；
Battery, for powering for other modules or external equipment.
In practical applications, if not controlling the power consumption of the peripheral module 4, then the peripheral module 4
Instantaneous power consumption variation can cause signal in the coil 1 to generate large change, in the non-of the intelligent card chip 5 and card reader
Noise jamming is caused in contact communication channel, card reader is also resulted in when serious and smart card communications malfunction, and the present embodiment mentions
The scheme of confession is provided with the power consumption control module 3 with the peripheral module 4 in the coil 1, can be effectively to described
The overall power of peripheral module 4 is controlled.
Smart card provided in this embodiment, including coil 1, electricity-fetching module 2, power consumption control module 3, peripheral module 4, intelligence
Card chip 5, the input terminal of the electricity-fetching module 2 are connect with the coil 1, the alternating current for will receive from the coil 1
Direct current is converted to, is connected between the output end and the peripheral module 4 of the electricity-fetching module 2 by the power consumption control module 3
It connects, the power consumption control module 3 is for controlling the power consumption of the peripheral module 4, by controlling the peripheral module 4
Power consumption makes it in contactless communication interactive process, does not interfere to radiofrequency field, ensured contactless communication stability,
Reliability improves the communication accuracy of smart card.
Optionally, the power consumption control module 3 may include current regulator diode or constant current triode, pass through reality separately below
Example is applied to illustrate.
Embodiment two
The utility model embodiment two provides a kind of smart card.The present embodiment is the technical solution provided in embodiment one
On the basis of, power consumption control is realized by current regulator diode.
Fig. 2 is the circuit diagram for the smart card that the utility model embodiment two provides.As shown in Fig. 2, in the present embodiment
Smart card, comprising: coil 1, electricity-fetching module, power consumption control module, peripheral module 4.
In the present embodiment, the power consumption control module includes current regulator diode 301, can by the current regulator diode 301
It is controlled with the input current to the peripheral module 4.
Scheme in the present embodiment, be suitable for input voltage it is constant (input voltage have already been through pressure stabilizing conversion；Or
When load current is constant, input voltage is also constant) the case where.
Optionally, the power consumption control module can also include the first voltage-stabiliser tube 302 and first capacitor 303, described first
Voltage-stabiliser tube 302 and the first capacitor 303 are in parallel with the peripheral module 4.
The current regulator diode 301 plays the role of constant current, and first voltage-stabiliser tube 302 plays pressure stabilizing and consumption unwanted currents
Effect, the first capacitor 303 plays the role of energy snubber.The output electric current setting of the current regulator diode 301 is negative
Consumption maximum current (after capacitive buffer) is carried, extra electric current is consumed from first voltage-stabiliser tube 302.
Optionally, electricity-fetching module may include: rectifier circuit 201, the second voltage-stabiliser tube 202 and the second capacitor 203.It is described
Rectifier circuit 201 can be made of four diodes.
One input terminal of the rectifier circuit 201 is connect with one end of the coil 1, the rectifier circuit 201
Another input terminal is connect with the other end of the coil 1；One output end of the rectifier circuit 201 connects second pressure stabilizing
One end of pipe 202 and one end of second capacitor 203, another output end connection described the of the rectifier circuit 201
The other end of the other end of two voltage-stabiliser tubes 202 and second capacitor 203.
The rectifier circuit 201 can be realized the conversion of AC-to DC, second voltage-stabiliser tube 202 and described second
Capacitor 203 can reduce the fluctuation of voltage, improve the stability of voltage.
Smart card provided in this embodiment may be implemented by the current regulator diode 301 to 4 power consumption of peripheral module
Control ensured intelligence so that the peripheral module 4 does not interfere radiofrequency field in contactless communication interactive process
Stability, the reliability of card contactless communication, improve the communication accuracy of smart card.
Embodiment three
The utility model embodiment three provides a kind of smart card.The present embodiment is the technical solution provided in embodiment two
On the basis of, linear voltage regulator is increased to realize voltage control.
Fig. 3 is the circuit diagram for the smart card that the utility model embodiment three provides.As shown in figure 3, in the present embodiment
Smart card, comprising: coil 1, electricity-fetching module, power consumption control module, peripheral module 4.
In the present embodiment, the power consumption control module includes current regulator diode 301 and linear voltage regulator 304, described linear
The input terminal of voltage-stablizer 304 is connect with the electricity-fetching module, and output end is connect with the current regulator diode 301, can be realized steady
The function of constant voltage.
The linear voltage regulator 304 can use LDO (low dropout regulator, low pressure difference linear voltage regulator),
Input voltage can obtain stable voltage after LDO is converted, and then using the current regulator diode 301, enable to
The consumption power of the peripheral module 4 keeps stablizing, so that the peripheral module 4 is not right in contactless communication interactive process
Radiofrequency field interferes, and has ensured stability, the reliability of intelligent card non-contact communication, and the communication for improving smart card is accurate
Property.
Optionally, the power consumption control module can also include the first voltage-stabiliser tube 302 and first capacitor 303.It is described to take electricity
Module may include rectifier circuit 201, the second voltage-stabiliser tube 202 and the second capacitor 203.Structure, function and the connection of each component
Relationship is referred to previous embodiment, and details are not described herein again.
Optionally, third capacitor 305, the third electricity can also be parallel in the output end of the linear voltage regulator 304
Holding 305 can be improved the stability of output voltage of the linear voltage regulator 304.
The first capacitor 303, the second capacitor 203 and third capacitor 305 can choose the capacitor of 1uF.
Smart card provided in this embodiment can be right by the linear voltage regulator 304 and the current regulator diode 301
The voltage and current of the peripheral module 4 is controlled, and the accuracy of power consumption control is improved, and has ensured the positive normal open of smart card
Letter.
Example IV
The utility model embodiment four provides a kind of smart card.The present embodiment is the technical solution provided in embodiment one
On the basis of, power consumption control is realized by constant current triode.The present embodiment unlike embodiment three, with constant current triode come
Replace current regulator diode.
Fig. 4 is the circuit diagram for the smart card that the utility model embodiment four provides.As shown in figure 4, in the present embodiment
Smart card, comprising: coil 1, electricity-fetching module, power consumption control module, peripheral module 4.
In the present embodiment, the power consumption control module includes constant current triode 306, triode control chip 307 and linear
The specific implementation principle of voltage-stablizer 304, the linear voltage regulator 304 is similar with embodiment three.
The triode control chip 307 is connect with the control terminal of the constant current triode 306, for adjusting the constant current
The output electric current of triode 306, so that the input current of the peripheral module 4 is controlled, to meet the different works of the peripheral module 4
The needs of operation mode.The triode control chip 307 can specifically pass through the electricity of adjusting 306 control terminal of constant current triode
It puts down to realize the adjusting to the constant current triode 306 output electric current.
Optionally, the power consumption control module can also include the first voltage-stabiliser tube 302 and first capacitor 303.It is described to take electricity
Module may include rectifier circuit 201, the second voltage-stabiliser tube 202 and the second capacitor 203.Structure, function and the connection of each component
Relationship is referred to previous embodiment, and details are not described herein again.
Optionally, similar with embodiment two, in the case where input voltage is constant, the linear voltage regulator can also be removed
304, control of the realization of chip 307 to 4 power consumption of peripheral module is only controlled by the constant current triode 306 and the triode
System.
Smart card provided in this embodiment, by the constant current triode 306 and the triode control chip 307 come
The power consumption of the peripheral module 4 is controlled, suitable for the peripheral module 4, there are many scenes of operating mode.In difference
Operating mode under, it is desirable to provide different electric currents adjusts constant current output size of current by control terminal, can satisfy described outer
If the needs of 4 different working modes of module.
Embodiment five
The utility model embodiment five provides a kind of smart card.The present embodiment is the technical solution provided in embodiment one
On the basis of, the control to power consumption is realized by controller.
Fig. 5 is the structural block diagram for the smart card that the utility model embodiment five provides.As shown in figure 5, in the present embodiment
Smart card, comprising: coil 1, electricity-fetching module 2, controller 308, peripheral module 4, intelligent card chip 5.
The controller 308 respectively with the output end, the peripheral module 4 and intelligent card chip 5 of the electricity-fetching module 2
Connection, the control signal for being exported according to the intelligent card chip 5 control the power consumption of the peripheral module 4.
For ease of description, regard the controller 308 and the peripheral module 4 as an entirety, constitute load blocks.
The power consumption of the load blocks is limited, constant power dissipation mode can be entered by the controller 308 to realize；It releases
The power consumption limit of the load blocks can exit constant power dissipation mode by the controller 308 to realize.
The controller 308 is connect with the intelligent card chip 5, and the intelligent card chip 5 can control the controller
308 enter constant power dissipation mode, such as control the controller 308 and the load blocks are hung up, inside the controller 308
Into idle or dormant states etc..The intelligent card chip 5 can also control the controller 308 and exit constant power dissipation mode,
After exiting constant power dissipation mode, the controller 308 is in normal operating conditions, and power consumption does not limit constant.
Optionally, when the intelligent card chip 5 carries out data interaction by the coil 1, the controller 308 can be with
Into constant power dissipation mode；When the intelligent card chip 5 carries out data processing, the controller 308 can exit constant function
Consumption mode.
According to contactless communications protocol (referring to 14443 agreement of ISO/IEC), smart card is in reception card reader data
In the state of and smart card to card reader send data in the state of, the power consumption of load blocks will be kept constant.
Smart card receives APDU (Application Protocol Data Unit, Application Protocol Data Unit) and refers to
After order, before returning response data, that is, in APDU time for each instruction piece, it is constant that load blocks can not limit power consumption, this
Sample can temporarily release the constant power dissipation state of load blocks in APDU execution process instruction, and load blocks are normally transported
Row chance.
If it is longer to execute instruction the time, according to 14443 agreement of ISO/IEC, when smart card needs to apply additional waiting
Between, interactive process at this moment, load blocks are also required to be in constant power dissipation mode.
In conclusion the controller 308 can when the intelligent card chip 5 is in the state handled data
To exit constant power dissipation mode；When the intelligent card chip 5 is in other states, the controller 308 enters constant power dissipation
Mode.
Load power consumption mode of 1 smart card of table under different command
Table 1 is load power consumption mode of the smart card that provides of the utility model embodiment five under different command.Such as 1 institute of table
Show, a1 to a3, b1 to b6 indicates serial number, and Command table shows the instruction of card reader, and Respond indicates the response of smart card.
Wait command indicates the instruction of the card reader to be received such as smart card, and Process indicates that smart card is in data handling procedure
In, Constant mode expression requires load blocks to be in constant power dissipation mode, and Variable mode indicates that load blocks can
Exit constant power dissipation mode.
From table 1 it follows that when the intelligent card chip 5 receives or waits the instruction of card reader to be received, it is described negative
It carries module and needs to be in constant power dissipation mode；When the intelligent card chip 5 is received and is executed instruction, such as process a2, b2, b5,
The constant power dissipation state that the load blocks can temporarily be released does not influence contactless communication interaction；In the intelligent card chip 5
When sending out response data, the load blocks are also required to be in constant power dissipation mode；If it is longer to execute instruction the time, according to ISO/
14443 agreement of IEC, smart card need to apply additional waiting time, interactive process b3, b4 at this moment, the load blocks
Need to be in constant power dissipation mode.
Into and exit there are many specific implementations of constant power dissipation mode, the present embodiment provides the following two kinds.
Mode one, the intelligent card chip 5 can be when carrying out data processing, and finger is exited in the transmission of Xiang Suoshu controller 308
It enables, the controller 308 can exit constant power dissipation mode according to the exit instruction；The intelligent card chip 5 is passing through
When the coil 1 carries out data interaction, it can be transmitted into instruction to the controller 308, so that 308 basis of the controller
The entry instruction enters constant power dissipation mode.
Mode two, the status information that the available intelligent card chip 5 of controller 308 is sent；If the state
Information indicates that the intelligent card chip 5 is in the state for carrying out data processing, then exits constant power dissipation mode；If the state letter
Breath indicates that the intelligent card chip 5 is in the state that data interaction is carried out by the coil 1, then enters constant power dissipation mode.
Wherein, the status information can be indicated by low and high level or analog voltage, such as 00 indicates to carry out data
The state of processing, 01 indicates in the state for receiving or sending data；Alternatively, 3.7V is indicated in the shape for carrying out data processing
State, 0.5V are indicated in the state for receiving or sending data；Etc..
Embodiment six
The utility model embodiment six provides a kind of intelligent card control method.Fig. 6 is that the utility model embodiment six provides
Intelligent card control method flow chart.As shown in fig. 6, the intelligent card control method in the present embodiment, comprising:
Step 601, the working condition for judging intelligent card chip in smart card.
If step 602, the intelligent card chip are in the state for carrying out data interaction by coil, control controller enters
Constant power dissipation mode；If the intelligent card chip is in the state of data processing, controls the controller and exit constant power dissipation mould
Formula.
Method in the present embodiment can be realized based on the smart card that embodiment five provides.Method in the present embodiment
Executing subject can be intelligent card chip or controller.
Optionally, the executing subject of the method is intelligent card chip, then step 602 can specifically include: if the intelligence
Energy card chip is in the state that data interaction is carried out by coil, then instruction is transmitted into controller, so that the controller
Enter constant power dissipation mode according to the entry instruction；If the intelligent card chip is in the state of data processing, to institute
It states controller and sends exit instruction, so that the controller exits constant power dissipation mode according to the exit instruction.
Optionally, the executing subject of method described in the present embodiment can be controller, then step 601 may include obtaining
The status information that intelligent card chip is sent, judges the working condition of the intelligent card chip according to the state information.
The specific implementation process of method and principle may refer to embodiment five in the present embodiment, and details are not described herein again.
Intelligence card control method provided in this embodiment, by judging the working condition of the intelligent card chip in smart card,
If the intelligent card chip is in the state for carrying out data interaction by coil, control controller enters constant power dissipation mode, if
The intelligent card chip is in the state of data processing, controls the controller and exits constant power dissipation mode, can be effectively right
The power consumption of peripheral module is controlled, and is made it in contactless communication interactive process, is not interfered to radiofrequency field, has been ensured non-
Stability, the reliability for contacting communication, improve the communication accuracy of smart card.
Embodiment seven
The utility model embodiment seven provides a kind of smart card control device.Fig. 7 is that the utility model embodiment seven provides
Smart card control device structural block diagram.As shown in fig. 7, the smart card control device in the present embodiment, may include:
Judgment module 701, for judging the working condition of the intelligent card chip in smart card；
Control module 702, when for being in the state by coil progress data interaction in the intelligent card chip, control
Controller enters constant power dissipation mode；When the intelligent card chip is in the state of data processing, controls the controller and move back
Constant power dissipation mode out.
Smart card control device in the present embodiment can be used for executing intelligent card control method described in embodiment six,
It, which implements principle, may refer to embodiment six, and details are not described herein again.
Smart card control device provided in this embodiment, by judging the working condition of the intelligent card chip in smart card,
If the intelligent card chip is in the state for carrying out data interaction by coil, control controller enters constant power dissipation mode, if
The intelligent card chip is in the state of data processing, controls the controller and exits constant power dissipation mode, can be effectively right
The power consumption of peripheral module is controlled, and is made it in contactless communication interactive process, is not interfered to radiofrequency field, has been ensured non-
Stability, the reliability for contacting communication, improve the communication accuracy of smart card.
The utility model embodiment also provides a kind of smart card control equipment, including memory, processor and is stored in
In the memory and the computer program that can run on the processor, when the processor executes the computer program
The step of realizing six the method for embodiment.The smart card control equipment can be intelligent card chip or controller.
The utility model embodiment also provides a kind of computer readable storage medium, and the computer readable storage medium is deposited
The step of containing computer program, six the method for embodiment realized when the computer program is executed by processor.
It should be understood that the size of the serial number of each step is not meant that the order of the execution order in above-described embodiment, each process
Execution sequence should be determined by its function and internal logic, without cope with the utility model embodiment implementation process constitute it is any
It limits.
It is apparent to those skilled in the art that for convenience of description and succinctly, only with above-mentioned each function
Can unit, module division progress for example, in practical application, can according to need and by above-mentioned function distribution by different
Functional unit, module are completed, i.e., the internal structure of described device is divided into different functional unit or module, more than completing
The all or part of function of description.Each functional unit in embodiment, module can integrate in one processing unit, can also
To be that each unit physically exists alone, can also be integrated in one unit with two or more units, it is above-mentioned integrated
Unit both can take the form of hardware realization, can also realize in the form of software functional units.In addition, each function list
Member, the specific name of module are also only for convenience of distinguishing each other, the protection scope being not intended to limit this application.Above system
The specific work process of middle unit, module, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, is not described in detail or remembers in some embodiment
The part of load may refer to the associated description of other embodiments.
Those of ordinary skill in the art may be aware that list described in conjunction with the examples disclosed in the embodiments of the present disclosure
Member and algorithm steps can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually
It is implemented in hardware or software, the specific application and design constraint depending on technical solution.Professional technician
Each specific application can be used different methods to achieve the described function, but this realization is it is not considered that exceed
The scope of the utility model.
In embodiment provided by the utility model, it should be understood that disclosed device/terminal device and method,
It may be implemented in other ways.For example, device described above/terminal device embodiment is only schematical, example
Such as, the division of the module or unit, only a kind of logical function partition, can there is other division side in actual implementation
Formula, such as multiple units or components can be combined or can be integrated into another system, or some features can be ignored, or not
It executes.Another point, shown or discussed mutual coupling or direct-coupling or communication connection can be to be connect by some
The INDIRECT COUPLING or communication connection of mouth, device or unit can be electrical, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
In addition, each functional unit in each embodiment of the utility model can integrate in one processing unit,
It can be each unit to physically exist alone, can also be integrated in one unit with two or more units.It is above-mentioned integrated
Unit both can take the form of hardware realization, can also realize in the form of software functional units.
If the integrated module/unit be realized in the form of SFU software functional unit and as independent product sale or
In use, can store in a computer readable storage medium.Based on this understanding, the utility model is realized above-mentioned
All or part of the process in embodiment method can also instruct relevant hardware to complete by computer program, described
Computer program can be stored in a computer readable storage medium, which, can be real when being executed by processor
The step of existing above-mentioned each embodiment of the method.Wherein, the computer program includes computer program code, the computer journey
Sequence code can be source code form, object identification code form, executable file or certain intermediate forms etc..It is described computer-readable
Medium may include: any entity or device, recording medium, USB flash disk, mobile hard that can carry the computer program code
Disk, magnetic disk, CD, computer storage, read-only memory (ROM, Read-Only Memory), random access memory
(RAM, Random Access Memory), electric carrier signal, telecommunication signal and software distribution medium etc..It needs to illustrate
It is that the content that the computer-readable medium includes can be fitted according to the requirement made laws in jurisdiction with patent practice
When increase and decrease, such as in certain jurisdictions, according to legislation and patent practice, computer-readable medium does not include electric carrier wave letter
Number and telecommunication signal.
Embodiment described above is only to illustrate the technical solution of the utility model, rather than its limitations；Although referring to before
Embodiment is stated the utility model is described in detail, those skilled in the art should understand that: it still can be with
It modifies the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；And
These are modified or replaceed, the spirit for various embodiments of the utility model technical solution that it does not separate the essence of the corresponding technical solution
And range, it should be included within the scope of protection of this utility model.
Claims (6)
1. a kind of smart card characterized by comprising intelligent card chip, coil, electricity-fetching module, power consumption control module, peripheral hardware mould
Block；
The input terminal of the electricity-fetching module is connect with the coil, for being converted to directly the alternating current received from the coil
Galvanic electricity；
It is connected between the output end of the electricity-fetching module and the peripheral module by the power consumption control module；
The power consumption control module is for controlling the power consumption of the peripheral module.
2. smart card as described in claim 1, which is characterized in that the power consumption control module includes: current regulator diode；
Alternatively, the power consumption control module includes: constant current triode and triode control chip, triode control chip with
The control terminal of the constant current triode connects, for adjusting the output electric current of the constant current triode.
3. smart card as claimed in claim 2, which is characterized in that the power consumption control module further include: the first voltage-stabiliser tube and
First capacitor；
First voltage-stabiliser tube and the first capacitor are in parallel with the peripheral module.
4. smart card as claimed in claim 2 or claim 3, which is characterized in that the power consumption control module further include: linear voltage stabilization
Device；
The input terminal of the linear voltage regulator is connect with the electricity-fetching module, output end and the current regulator diode or the constant current
Triode connection.
5. smart card as described in claim 1, which is characterized in that the power consumption control module includes controller；
The controller is connect with the output end of the electricity-fetching module, the peripheral module and the intelligent card chip respectively,
Control signal for being exported according to the intelligent card chip controls the power consumption of the peripheral module.
6. smart card as claimed in claim 5, which is characterized in that carry out data by the coil in the intelligent card chip
When interaction, the controller enters constant power dissipation mode；When the intelligent card chip carries out data processing, the controller is moved back
Constant power dissipation mode out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820918201.3U CN208589930U (en) | 2018-06-13 | 2018-06-13 | Smart card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820918201.3U CN208589930U (en) | 2018-06-13 | 2018-06-13 | Smart card |
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| Publication Number | Publication Date |
|---|---|
| CN208589930U true CN208589930U (en) | 2019-03-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820918201.3U Active CN208589930U (en) | 2018-06-13 | 2018-06-13 | Smart card |
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| CN (1) | CN208589930U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108649814A (en) * | 2018-06-13 | 2018-10-12 | 深圳市文鼎创数据科技有限公司 | Smart card, intelligent card control method, device and equipment |
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2018
- 2018-06-13 CN CN201820918201.3U patent/CN208589930U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108649814A (en) * | 2018-06-13 | 2018-10-12 | 深圳市文鼎创数据科技有限公司 | Smart card, intelligent card control method, device and equipment |
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