CN113255865A - Visual card and working method thereof - Google Patents
Visual card and working method thereof Download PDFInfo
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- CN113255865A CN113255865A CN202110797491.7A CN202110797491A CN113255865A CN 113255865 A CN113255865 A CN 113255865A CN 202110797491 A CN202110797491 A CN 202110797491A CN 113255865 A CN113255865 A CN 113255865A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/0701—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips at least one of the integrated circuit chips comprising an arrangement for power management
- G06K19/0707—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips at least one of the integrated circuit chips comprising an arrangement for power management the arrangement being capable of collecting energy from external energy sources, e.g. thermocouples, vibration, electromagnetic radiation
- G06K19/0708—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips at least one of the integrated circuit chips comprising an arrangement for power management the arrangement being capable of collecting energy from external energy sources, e.g. thermocouples, vibration, electromagnetic radiation the source being electromagnetic or magnetic
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/0723—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips the record carrier comprising an arrangement for non-contact communication, e.g. wireless communication circuits on transponder cards, non-contact smart cards or RFIDs
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
- G06K19/07701—Constructional details, e.g. mounting of circuits in the carrier the record carrier comprising an interface suitable for human interaction
- G06K19/07703—Constructional details, e.g. mounting of circuits in the carrier the record carrier comprising an interface suitable for human interaction the interface being visual
- G06K19/07707—Constructional details, e.g. mounting of circuits in the carrier the record carrier comprising an interface suitable for human interaction the interface being visual the visual interface being a display, e.g. LCD or electronic ink
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/20—Circuit arrangements or systems for wireless supply or distribution of electric power using microwaves or radio frequency waves
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- Storage Device Security (AREA)
Abstract
The invention provides a visual card and a working method thereof, belonging to the technical field of electronic products. The method comprises the following steps: the visible card induces an electromagnetic field emitted by the card reader equipment to obtain electric energy and charge the energy storage module; the visual card receives and responds to the basic interaction instruction sent by the card reading equipment through the security module; receiving and responding to a data operation instruction sent by the card reading equipment; receiving a data operation result confirmation instruction sent by the card reading equipment, and acquiring key information according to the data operation result confirmation instruction; sending the key information to a main control module; returning a data operation result confirmation response to the card reading equipment through the security module; and controlling the display module to display the key information through the main control module. The energy storage module can be charged by the visual card in the non-communication process, so that the energy storage module can continuously supply power to the main control module after the visual card leaves the electromagnetic field of the card reading device, and key information in the visual card can be displayed.
Description
Technical Field
The invention relates to the technical field of electronic products, in particular to a visual card and a working method thereof.
Background
Existing video cards can be classified into a video card with a battery and a video card without a battery. The visual card with the battery can realize the on-site display content and the off-site display content by depending on the self battery power supply, however, the service life of the visual card with the battery is generally short due to the limited service life of the battery and the incapability of being replaced, and therefore more and more users tend to use the visual card without the battery.
The visible card without the battery can obtain the electric energy display content only when the visible card is in the electromagnetic field, namely the visible card can display the content only in the card swiping process, and cannot display the content after the visible card leaves the electromagnetic field. In the prior art, after a visual card without a battery leaves an electromagnetic field of a card reading device, the interior of the visual card can supply power to a security module and a main control module through an energy storage module, so that the main control module can acquire key information in the security module and control a display module to display key information content. However, in this way, the energy consumption required by the security module is relatively large, which requires the energy storage module to be a super capacitor so as to store sufficient electric energy, and causes a problem of relatively high manufacturing cost; meanwhile, when a customer swipes the card, the customer cannot know when the card is fully charged and whether the electric energy is enough to update and display the content after leaving the field, so that great inconvenience is brought to the use of the customer. Therefore, how to display the key information after the visual card without the battery leaves the field becomes a problem which needs to be solved urgently.
Disclosure of Invention
In order to solve the problems in the prior art, embodiments of the present invention provide a visual card and a working method thereof, where the visual card is used for performing interaction processing with a card reading device, and can display key information in the visual card after completing an interaction leaving field.
In one aspect, the present invention provides a method for operating a video card, where the method is applied to a video card including a main control module, a security module, a display module, a power supply module, and an energy storage module, and the method includes:
step S1, the visible card obtains electric energy by inducing an electromagnetic field emitted by card reader equipment through the power supply module, initializes the electric energy and charges the energy storage module;
step S2, the visual card receives and responds to a basic interaction instruction sent by a card reading device through the security module, and returns an instruction response corresponding to the basic interaction instruction to the card reading device;
step S3, the visual card receives and responds to the data operation instruction sent by the card reading equipment through the security module, and returns a data operation result response to the card reading equipment;
step S4, the visual card receives a data operation result confirmation instruction sent by the card reading equipment through the security module, and key information is obtained according to the data operation result confirmation instruction;
step S5, the security module sends the key information to the main control module;
step S6, the visual card returns a data operation result confirmation response to the card reading device through the security module;
and step S7, the visual card controls the display module to display the key information through the main control module.
In an implementation manner, step S5 specifically includes:
step S5-1, the security module sends the key information to the main control module;
and step S5-2, the main control module returns a key information response to the security module.
Further, before the main control module returns a key information response to the security module, the method further includes: and the main control module waits for a preset time length to enable the energy storage module to finish charging.
Further, step S6 is preceded by:
the safety module waits for a preset time length to enable the energy storage module to be charged;
or, the safety module confirms whether the charging of the energy storage module is completed, and executes the step S6 when the charging is confirmed to be completed.
Preferably, the step S5-2 further includes: the main control module receives the key information sent by the safety module, detects the voltage of the energy storage module and sends a key information response including a detection result to the safety module;
the safety module confirms whether the energy storage module is charged or not and specifically comprises the following steps: and the safety module responds to and confirms whether charging is finished according to the key information including the detection result returned by the main control module.
Further preferably, the detecting the voltage of the energy storage module specifically includes: the main control module detects whether the voltage of the energy storage module meets a preset value;
the detection result specifically comprises: coincidence or non-coincidence;
the safety module responds to and confirms whether charging is completed according to the key information including the detection result returned by the main control module, and the method specifically comprises the following steps: the safety module determines the detection result, if the detection result is yes, the charging is confirmed to be completed, if the detection result is not, the charging is confirmed to be not completed, and step S5 is executed.
Preferably, before the step S5, the step S2 further includes:
step A1, the safety module sends a command for detecting the charging voltage to the main control module;
step A2, the main control module detects the voltage of the energy storage module according to the instruction and returns a detection response to the safety module;
step A3, the safety module judges whether the voltage of the energy storage module meets a preset value according to the received detection response, if so, the step S5 is executed, otherwise, the step A1 is executed;
the safety module confirms whether the energy storage module is charged or not and specifically comprises the following steps: and the safety module responds to and confirms whether charging is finished according to the key information returned by the main control module.
In an implementation manner, the controlling, by the main control module, the display module to display the key information specifically includes: the main control module controls the display module to execute screen clearing operation and controls the display module to display key information.
In an implementation manner, the step S7 is preceded by: and the main control module controls the display module to execute screen clearing operation.
Further, the initializing specifically includes: the main control module carries out system initialization;
the main control module controls the display module to execute the screen clearing operation, and the method specifically comprises the following steps: and the main control module controls the display module to execute screen clearing operation when the system is initialized.
In an implementation manner, the step S7 is preceded by: and the main control module controls the display module to execute screen clearing operation.
Further, the step S5-2 specifically includes: and the main control module receives the key information sent by the safety module and controls the display module to execute screen clearing operation.
Further, after the step S2, the step S7 is preceded by: the safety module sends a preset instruction to the main control module;
the main control module controls the display module to execute the screen clearing operation, and the method specifically comprises the following steps: and the main control module controls the display module to execute screen clearing operation according to the preset instruction and returns a response to the safety module.
In another aspect, the present invention provides a visual card, comprising: at least one processor and at least one memory coupled to the at least one processor, at least one display, at least one power supply and storage;
the at least one memory is for storing a computer program which, when executed by the at least one processor, causes the visual card to implement the method as described above.
The technical scheme provided by the invention has the beneficial effects that: the energy storage module can be charged by the visual card in the non-communication process, so that the energy storage module can continuously supply power to the main control module after the visual card leaves the electromagnetic field of the card reading device, the main control module can control the display module to display key information, the charging operation of the visual card in the electromagnetic field of the card reading device is ensured to be completed through the safety module or the main control module, the requirement that a user can timely release information in the card after swiping the card is met, and convenience is brought to the user.
Drawings
Fig. 1 is a flowchart of a working method of a video card according to embodiment 1 of the present invention;
fig. 2 is a flowchart of a working method of a video card according to embodiment 2 of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The embodiment 1 of the invention provides a working method of a visual card, and the visual card specifically comprises a main control module, a safety module, a display module, a power supply module and an energy storage module.
As shown in fig. 1, a working method of a visual card specifically includes:
step 101, the visible card obtains electric energy by inducing an electromagnetic field emitted by the card reader equipment through the power supply module, initializes and charges the energy storage module;
in this embodiment, the step of obtaining the electric energy by the video card by sensing the electromagnetic field emitted by the card reader device through the power supply module specifically includes: the visual card enters an electromagnetic field sent by the card reading equipment, an induction antenna of the power supply module induces the electromagnetic field sent by the card reading equipment to obtain an electric signal, and the obtained electric signal is rectified and stabilized to obtain constant voltage to supply power to the main control module; the safety module obtains an electric signal by an induction antenna of the safety module inducing an electromagnetic field emitted by the card reading equipment;
optionally, the step of obtaining the electric energy by the video card by sensing the electromagnetic field emitted by the card reader device through the power supply module specifically includes: the visual card enters an electromagnetic field sent by the card reading equipment, an induction antenna of the power supply module induces the electromagnetic field sent by the card reading equipment to obtain an electric signal, and the obtained electric signal is rectified and stabilized to obtain constant voltage to supply power to the main control module and the safety module;
charging the energy storage module specifically comprises: the visible card charges the energy storage module through the power supply module;
the initialization is specifically as follows: the visual card initializes the basic communication interface in the system through the main control module.
102, the visual card receives and responds to a basic interaction instruction sent by the card reading equipment through the security module, and returns an instruction response corresponding to the basic interaction instruction to the card reading equipment;
in this embodiment, optionally, the basic interactive instruction includes: a card searching command, an anti-collision command, a card selecting command and a parameter configuration command;
specifically, step 102 specifically includes:
102-1, the visible card receives a card searching command sent by the card reading equipment through the security module and returns a card searching response to the card reading equipment;
102-2, the visual card receives an anti-collision command sent by the card reading equipment through the security module and returns an anti-collision response to the card reading equipment;
102-3, the visible card receives a card selection instruction sent by the card reading equipment through the security module and returns a card selection response to the card reading equipment;
and 102-4, the visible card receives a parameter configuration instruction sent by the card reading equipment through the security module and returns a parameter configuration response to the card reading equipment.
103, the video card receives and responds to a data operation instruction sent by the card reading equipment through the security module, and returns a data operation result response to the card reading equipment;
in this embodiment, optionally, the data operation instruction includes: transaction data operation instructions and transaction data verification instructions;
specifically, step 103 specifically includes:
103-1, the visible card receives a transaction data operation instruction sent by the card reading device through the security module and returns a transaction data operation response to the card reading device;
specifically, the transaction data operation instruction sent by the card reading device specifically includes: selecting an application instruction, a consumption initialization instruction, a consumption or cash-out instruction, a transaction record reading instruction and a transaction certification reading instruction;
for example, the application selection instruction sent by the card reading device is: 00A 40400061000000001006F 2B8406100000000100A5219F0C1E32FFFFFFFFFFFFFF 11010100011320000000001620120504202205040100;
the visible card returns a response of selecting the application to the card reading device as follows: 9000;
the consumption initialization instruction sent by the card reading device is as follows: 805001020B010000000111223344556600 FFFFFFF 800070000000000B 1576122;
the visible card returns a consumption initialization response to the card reading device as follows: 9000;
the consumption or cash-fetching instruction sent by the card reading device is as follows: 805401000F0102030420011123153003DC868CC801960AB1E847E3E 4;
the visible card returns a consumption initialization response to the card reading device as follows: 9000;
the reading transaction record instruction sent by the card reading device is as follows: 00B201C 4000008000000000000010611223344556620011123153003;
the response of the visible card to the card reading device for reading the transaction record is as follows: 9000;
the reading transaction certification instruction sent by the card reading device is as follows: 805A 0006020008E 847E3E401960AB1
The visible card returns a read transaction certification response to the card reading device as follows: 9000;
and 103-2, the visible card receives a transaction data verification instruction sent by the card reading device through the security module and returns a transaction data verification result response to the card reading device.
104, the visible card receives a data operation result confirmation instruction sent by the card reading equipment through the security module, and key information is obtained according to the data operation result confirmation instruction;
in this embodiment, optionally, the determining that the instruction acquires the key information according to the data operation result specifically includes: a security module in the visual card analyzes a data operation result confirmation instruction sent by the card reading equipment and acquires key information from an analysis result;
optionally, the determining that the instruction acquires the key information according to the data operation result specifically includes: the security module in the visual card confirms the instruction according to the data operation result sent by the card reading equipment, and inquires and acquires the key information in the security module;
for example, the data operation result confirmation instruction sent by the visual card receiving and reading device is as follows: 0001000009010194A 26B 03168622;
wherein, 0194 a 26B is the transaction amount in the key information, and is converted into a 10-system number: 265181.23, respectively; 03168622 is the balance in the key information, and the conversion is 10-system number: 518077.78.
105, the visual card sends the key information to a main control module in the visual card through the security module;
optionally, step 105 specifically includes:
105-1, the security module sends the key information to the main control module;
and 105-2, the main control module returns a key information response to the security module.
In an implementable manner, before the main control module returns the key information response to the security module, the method further includes: and the main control module waits for a preset time length to finish charging the energy storage module.
In this embodiment, the sending of the key information to the main control module by the security module is: 5055000009010194A 26B 03168622 XX;
where 09 indicates that 9 bytes of data follow; 01 indicates that the transaction amount is positive; 0194 a 26B is the transaction amount in the key information, and is converted into a 10-system number: 265181.23, respectively; 03168622 is the balance in the key information, and the conversion is 10-system number: 518077.78, respectively; XX denotes a data check value.
106, returning a data operation result confirmation response to the card reading equipment by the visual card through the security module;
optionally, step 106 is preceded by:
the safety module waits for a preset time length to enable the energy storage module to be charged;
or, the safety module determines whether the charging of the energy storage module is completed, and executes step 106 when the charging is determined to be completed.
In an implementation manner, the step 105-2 specifically further includes: the main control module receives the key information sent by the safety module, detects the voltage of the energy storage module and sends a key information response including a detection result to the safety module;
specifically, the step of confirming whether the energy storage module is charged or not by the safety module specifically includes: and the safety module responds to and confirms whether charging is completed according to the key information including the detection result returned by the main control module.
In an implementation manner, the detecting the voltage of the energy storage module specifically includes: the main control module detects whether the voltage of the energy storage module meets a preset value;
wherein, the detection result specifically is as follows: coincidence or non-coincidence;
preferably, the safety module responds to the key information including the detection result returned by the main control module to determine whether the charging is completed, and specifically includes: the safety module judges the detection result, if the detection result is in line, the charging is confirmed to be completed, if the detection result is not in line, the charging is confirmed to be not completed, and step 105 is executed.
In an implementation manner, before step 105, step 102 further includes:
step A1, the safety module sends a command for detecting the charging voltage to the main control module;
step A2, the main control module detects the voltage of the energy storage module according to the instruction of detecting the charging voltage and returns a detection response to the safety module;
step A3, the safety module judges whether the voltage of the energy storage module meets a preset value according to the received detection response, if so, step 105 is executed, otherwise, step A1 is executed;
specifically, the step of confirming whether the energy storage module is charged or not by the safety module specifically includes: the safety module responds to and confirms whether charging is finished according to the key information returned by the main control module;
in this embodiment, the data operation result returned to the card reading device is confirmed as follows: 9000.
and step 107, the video card controls the display module to display the key information through the main control module.
Optionally, the controlling, by the main control module, the display module to display the key information specifically includes: the main control module controls the display module to execute screen clearing operation and controls the display module to display key information.
In an implementation manner, step 107 further includes: the main control module controls the display module to execute screen clearing operation.
In an implementation manner, the initialization specifically includes: the main control module carries out system initialization;
wherein, the main control module controls the display module to execute the screen clearing operation and specifically comprises: and the main control module controls the display module to execute screen clearing operation when the system is initialized.
In an implementation manner, step 107 further includes: the main control module controls the display module to execute screen clearing operation.
Further, step 105-2 specifically includes: the main control module receives the key information sent by the safety module and controls the display module to execute the screen clearing operation.
Further, after step 102, step 107 further includes: the safety module sends a preset instruction to the main control module;
wherein, the main control module controls the display module to execute the screen clearing operation and specifically comprises: and the main control module controls the display module to execute the screen clearing operation according to a preset instruction and returns a response to the safety module.
For the application, the operation related to the execution of the screen clearing operation and the voltage confirmation operation can comprise a plurality of modes, the processing of combining any mode can be adopted for the above different execution modes of the two operations, and the two operations are not limited in sequence between the execution modes.
In this embodiment, optionally, before executing step 107, the method further includes: the card is visible off-field.
Specifically, the following examples are given: for example, the user swipes a visual card on the card reading device, the visual card and the card reading device execute steps S1 to S6, when the card reading device has prompt information, the user can take the visual card away, and the visual card can display the transaction amount or balance in the case of departure.
Example 2
Based on the technical solution provided by the foregoing embodiment, the following specifically explains the technical solution, as shown in fig. 2, which is a specific processing flow chart of a possible implementation manner of the video card working method provided by the present application.
For this embodiment, the initialization process of the power-on system of the visual card will not be described again, and the visual card specifically includes a security module, a main control module, a display module, a power supply module, and an energy storage module in this embodiment; the visual card interacts with the card reading equipment through the security module to complete communication;
step 201, a security module receives and responds to a basic interaction instruction sent by a card reading device, and returns an instruction response corresponding to the basic interaction instruction to the card reading device;
in this embodiment, optionally, the basic interactive instruction includes: a card searching command, an anti-collision command, a card selecting command and a parameter configuration command;
specifically, step 201 specifically includes:
step 201-1, the security module receives a card searching instruction sent by the card reading device and returns a card searching response to the card reading device;
step 201-2, the security module receives an anti-collision command sent by the card reading device and returns an anti-collision response to the card reading device;
step 201-3, the security module receives a card selection instruction sent by the card reading device and returns a card selection response to the card reading device;
and step 201-4, the security module receives a parameter configuration instruction sent by the card reading device and returns a parameter configuration response to the card reading device.
Step 202, the security module receives and responds to a data operation instruction sent by the card reading device, and returns a data operation result response to the card reading device;
in this embodiment, optionally, the data operation instruction includes: transaction data operation instructions and transaction data verification instructions;
specifically, step 202 specifically includes:
202-1, the security module receives a transaction data operation instruction sent by the card reading device and returns a transaction data operation response to the card reading device;
specifically, the transaction data operation instruction sent by the card reading device specifically includes: selecting an application instruction, a consumption initialization instruction, a consumption or cash-out instruction, a transaction record reading instruction and a transaction certification reading instruction;
for example, the application selection instruction sent by the card reading device is: 00A 40400061000000001006F 2B8406100000000100A5219F0C1E32FFFFFFFFFFFFFF 11010100011320000000001620120504202205040100;
the safety module returns a response of selecting the application to the card reading device as follows: 9000;
the consumption initialization instruction sent by the card reading device is as follows: 805001020B010000000111223344556600 FFFFFFF 800070000000000B 1576122;
the secure module returns a consumption initialization response to the card reading device as follows: 9000;
the consumption or cash-fetching instruction sent by the card reading device is as follows: 805401000F0102030420011123153003DC868CC801960AB1E847E3E 4;
the secure module returns a consumption initialization response to the card reading device as follows: 9000;
the reading transaction record instruction sent by the card reading device is as follows: 00B201C 4000008000000000000010611223344556620011123153003;
the response of the security module to the card reading device for reading the transaction record is as follows: 9000;
the reading transaction certification instruction sent by the card reading device is as follows: 805A 0006020008E 847E3E401960AB1
The safety module returns a read transaction certification response to the card reading device as follows: 9000;
step 202-2, the security module receives a transaction data verification instruction sent by the card reading device and returns a transaction data verification result response to the card reading device.
Step 203, the security module receives a data operation result confirmation instruction sent by the card reading device, and acquires key information according to the data operation result confirmation instruction;
in this embodiment, optionally, the determining that the instruction acquires the key information according to the data operation result specifically includes: the safety module analyzes a data operation result confirmation instruction sent by the card reading equipment and acquires key information from an analysis result;
optionally, the determining that the instruction acquires the key information according to the data operation result specifically includes: the safety module confirms the instruction according to the data operation result sent by the card reading equipment, and inquires and acquires the key information stored in the safety module;
for example, the data operation result confirmation instruction sent by the visual card receiving and reading device is as follows: 0001000009010194A 26B 03168622;
wherein, 0194 a 26B is the transaction amount in the key information, and is converted into a 10-system number: 265181.23, respectively; 03168622 is the balance in the key information, and the conversion is 10-system number: 518077.78.
step 204, the safety module sends a detection voltage operation instruction to the main control module;
step 205, the main control module executes the voltage detection operation and returns a voltage detection operation response to the security module;
in this embodiment, optionally, the operation of the main control module to execute the voltage detection specifically includes: the main control module detects whether the current power supply voltage reaches a preset value, if so, an operation response comprising a charging completed identifier is sent to the safety module, and if not, an operation response comprising an unfinished charging identifier is sent to the safety module;
step 206, the safety module receives the detection voltage operation response, judges whether the charging is finished according to the operation response, if so, sends key information to the main control module, executes step 207, otherwise, returns to step 204;
optionally, judging whether charging is completed according to the operation response specifically includes: and the safety module judges whether the current voltage reaches a preset value or not according to the identifier in the operation response, if so, the charging is finished, and otherwise, the charging is not finished.
In this embodiment, the instruction for the security module to send the key information to the main control module is: 5055000009010194A 26B 03168622 XX;
where 09 indicates that 9 bytes of data follow; 01 indicates that the transaction amount is positive; 0194 a 26B is the transaction amount in the key information, and is converted into a 10-system number: 265181.23, respectively; 03168622 is the balance in the key information, and the conversion is 10-system number: 518077.78, respectively; XX denotes a data check value.
Step 207, the main control module receives the key information sent by the security module and sends a response for receiving the key information to the security module;
step 208, the security module returns a data operation result confirmation response to the card reading device;
for example, returning a data operation result confirmation response to the card reading device is as follows: 9000.
and step 209, the main control module controls the display module to display the key information.
Optionally, step 209 specifically includes: the main control module carries out screen clearing operation on the display module and controls the display module to display key information;
optionally, step 209 is preceded by: the main control module executes screen clearing operation;
on one hand, the optional screen clearing operation executed by the main control module is specifically as follows: the main control module performs screen clearing operation on the display module in the process of initializing the basic communication interface;
on the other hand, optionally, the main control module executes the screen clearing operation specifically as follows: when the main control module receives the key information sent by the security module, screen clearing operation is executed;
in another optional aspect, the performing, by the main control module, a screen clearing operation specifically includes: the main control module receives a command for executing the screen clearing operation sent by the security module, executes the screen clearing operation according to the command and sends a response to the security module;
specifically, after step 202, step 209 further includes: the security module sends a command for executing screen clearing operation to the main control module;
optionally, in this embodiment, step 209 specifically includes:
step 209-1, the main control module obtains electric energy to enable the main control module to work normally;
step 209-2, the main control module controls the display module to display key information;
preferably, the step of acquiring the electric energy by the main control module is specifically as follows: the main control module obtains electric energy through the power supply module;
preferably, in this embodiment, step 209 further includes, before: visual card departure;
specifically, the main control module obtains the electric energy specifically as follows: the main control module acquires electric energy stored in the energy storage module;
optionally, step 209 further includes: the display module obtains electric energy;
preferably, the obtaining of the electric energy by the display module is specifically as follows: the display module obtains electric energy through the power supply module;
further preferably, in this embodiment, step 209 further includes, before: visual card departure;
specifically, the obtaining of the electric energy by the display module is as follows: the display module obtains the electric energy stored in the energy storage module.
The technical scheme provided by the embodiment of the invention has the beneficial effects that: the energy storage module can be charged by the visual card in the non-communication process, so that the energy storage module can continuously supply power to the main control module after the visual card leaves the electromagnetic field of the card reading device, the main control module can control the display module to display key information, the visual card is ensured to be charged in the magnetic field of the card reading device through the safety module or the main control module, the requirement that a user can timely release information in the card after swiping the card is met, and convenience is brought to the user.
The above detailed description of the video card and the working method thereof provided by the present invention, and the specific examples applied herein have been provided to explain the principle and the implementation of the present invention, and the above description of the embodiments is only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (14)
1. A working method of a visual card is characterized in that the method is suitable for the visual card comprising a main control module, a safety module, a display module, a power supply module and an energy storage module, and comprises the following steps:
step S1, the visible card obtains electric energy by inducing an electromagnetic field emitted by card reader equipment through the power supply module, initializes the electric energy and charges the energy storage module;
step S2, the visual card receives and responds to a basic interaction instruction sent by a card reading device through the security module, and returns an instruction response corresponding to the basic interaction instruction to the card reading device;
step S3, the visual card receives and responds to the data operation instruction sent by the card reading equipment through the security module, and returns a data operation result response to the card reading equipment;
step S4, the visual card receives a data operation result confirmation instruction sent by the card reading equipment through the security module, and key information is obtained according to the data operation result confirmation instruction;
step S5, the visible card sends the key information to the main control module through the security module;
step S6, the visual card returns a data operation result confirmation response to the card reading device through the security module;
and step S7, the visual card controls the display module to display the key information through the main control module.
2. The method according to claim 1, wherein step S5 specifically comprises:
step S5-1, the security module sends the key information to the main control module;
and step S5-2, the main control module returns a key information response to the security module.
3. The method of claim 2, wherein before the master module returns a key information response to the security module, the method further comprises: and the main control module waits for a preset time length to enable the energy storage module to finish charging.
4. The method according to claim 2, wherein the step S6 is preceded by:
the safety module waits for a preset time length to enable the energy storage module to be charged;
or, the safety module confirms whether the charging of the energy storage module is completed, and executes the step S6 when the charging is confirmed to be completed.
5. The method according to claim 4, wherein the step S5-2 further includes: the main control module receives the key information sent by the safety module, detects the voltage of the energy storage module and sends a key information response including a detection result to the safety module;
the step of confirming whether the energy storage module is charged or not by the safety module specifically comprises the following steps: and the safety module responds to and confirms whether charging is finished according to the key information including the detection result returned by the main control module.
6. The method according to claim 5, wherein the detecting the voltage of the energy storage module is specifically: the main control module detects whether the voltage of the energy storage module meets a preset value;
the detection result specifically comprises: coincidence or non-coincidence;
the safety module responds to and confirms whether charging is completed according to the key information including the detection result returned by the main control module, and the method specifically comprises the following steps: the safety module determines the detection result, if the detection result is yes, the charging is confirmed to be completed, if the detection result is not, the charging is confirmed to be not completed, and step S5 is executed.
7. The method according to claim 4, wherein before the step S5, the step S2 is followed by:
step A1, the safety module sends a command for detecting the charging voltage to the main control module;
step A2, the main control module detects the voltage of the energy storage module according to the instruction of detecting the charging voltage and returns a detection response to the safety module;
step A3, the safety module judges whether the voltage of the energy storage module meets a preset value according to the received detection response, if so, the step S5 is executed, otherwise, the step A1 is executed;
the step of confirming whether the energy storage module is charged or not by the safety module specifically comprises the following steps: and the safety module responds to and confirms whether charging is finished according to the key information returned by the main control module.
8. The method according to claim 1, wherein the step of controlling the display module to display the key information by the main control module through the visual card specifically comprises: the visual card controls the display module to execute screen clearing operation through the main control module and controls the display module to display key information.
9. The method according to claim 1, wherein the step S7 is preceded by: and the main control module controls the display module to execute screen clearing operation.
10. The method according to claim 9, wherein the initializing is specifically: the main control module carries out system initialization;
the main control module controls the display module to execute the screen clearing operation, and the method specifically comprises the following steps: and the main control module controls the display module to execute screen clearing operation when the system is initialized.
11. The method according to any one of claims 2-7, wherein the step S7 is preceded by: and the main control module controls the display module to execute screen clearing operation.
12. The method according to claim 11, wherein the step S5-2 specifically includes: and the main control module receives the key information sent by the safety module and controls the display module to execute screen clearing operation.
13. The method according to claim 11, wherein after the step S2, the step S7 is preceded by: the safety module sends a preset instruction to the main control module;
the main control module controls the display module to execute the screen clearing operation, and the method specifically comprises the following steps: and the main control module controls the display module to execute screen clearing operation according to the preset instruction and returns a response to the safety module.
14. A visual card, comprising: at least one processor and at least one memory coupled to the at least one processor, at least one display, at least one power supply and storage;
the at least one memory is for storing a computer program which, when executed by the at least one processor, causes the visual card to implement the method of any one of claims 1 to 13.
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| CN202110797491.7A CN113255865B (en) | 2021-07-14 | 2021-07-14 | Visual card and working method thereof |
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| CN107025483A (en) * | 2017-04-25 | 2017-08-08 | 飞天诚信科技股份有限公司 | A kind of visible card and its method of work |
| CN108108802A (en) * | 2017-12-06 | 2018-06-01 | 河北吕望信息科技有限公司 | Visible card and its remaining sum display methods |
| CN108319879A (en) * | 2018-01-30 | 2018-07-24 | 河北吕望信息科技有限公司 | One kind being based on I2The visible card and its method for information display of C agreements |
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| CN107025483A (en) * | 2017-04-25 | 2017-08-08 | 飞天诚信科技股份有限公司 | A kind of visible card and its method of work |
| US20190228281A1 (en) * | 2017-04-25 | 2019-07-25 | Feitian Technologies Co., Ltd. | Visual card andoperating method for same |
| CN108108802A (en) * | 2017-12-06 | 2018-06-01 | 河北吕望信息科技有限公司 | Visible card and its remaining sum display methods |
| CN108319879A (en) * | 2018-01-30 | 2018-07-24 | 河北吕望信息科技有限公司 | One kind being based on I2The visible card and its method for information display of C agreements |
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