CN104317761A - Multi-interface mobile security equipment with power management and operation method of multi-interface mobile security equipment - Google Patents

Abstract

The invention discloses a multi-interface mobile security device with power supply management and a working method thereof, belonging to the field of information security. The mobile security device includes: a USB interface module, an Apple interface module, a battery module, a power management module and a function module. The method includes: the mobile security device can be connected to the host computer through the Apple interface and the USB interface, receive the data sent by the host computer through the Apple interface and the USB interface, send the data sent by the host computer to the card, and receive the data returned by the card , and return the data returned by the card to the host computer through the Apple interface and the USB interface. The beneficial effect of the present invention is that the mobile security device can be applied to both the PC and the intelligent terminal with the Apple interface, and the cross-platform application provides convenience for users, and can reduce hardware costs and save hardware resources.

Description

A multi-interface mobile security device with power management and its working method

technical field

The invention belongs to the field of information security, in particular to a multi-interface mobile security device with power management and a working method thereof.

Background technique

With the development of mobile and Internet technology, as well as smart terminals, mobile security devices that provide consumers and merchants with card online payment and micro-card reader acquisition solutions by connecting general devices such as computers or smart phones have emerged. At present, the above-mentioned Mobile security devices are generally divided into two categories, one is based on the Internet channel and is connected to a PC through a USB interface, and the other is to communicate with mobile devices such as smart phones through an audio interface, Apple interface or Bluetooth, but there is no comprehensive Admissible and cross-platform mobile security devices.

Contents of the invention

The purpose of the present invention is to overcome the defects of the prior art, and propose a multi-interface mobile security device with power management and its working method.

The inventive method is realized by the following technical solutions:

A multi-interface mobile security device with power management, including:

USB interface module, Apple interface module, battery module, power management module and function module;

The USB interface module is connected with the battery module, the power management module and the functional module, and is used to connect with the upper computer, obtain electric energy from the upper computer, use the obtained electric energy to charge the battery module, and pass The power management module supplies power to the functional module, and communicates with the functional module and the host computer;

The apple interface module is connected with the power management module and the functional module, and is used to connect with the upper computer, obtain electric energy from the upper computer, and use the obtained electric energy to supply power to the functional module through the power management module, Communicate with the functional module and the host computer;

The battery module is connected to the USB interface module and the power management module, and is used to supply power to the functional module through the power management module when the device is only connected to the host computer through the Apple interface module ;

The power management module is connected with the USB interface module, the Apple interface module, the battery module and the function module, and is used to control the power supply by the USB interface when the USB interface module is connected to the upper computer. The module uses the electric energy obtained from the upper computer to supply power to the functional module, and when the device is only connected to the upper computer through the apple interface module, it controls the electric energy stored by the battery module, the apple interface module Using the electric energy obtained from the upper computer to jointly supply power to the functional modules;

The function module is connected with the USB interface module, the Apple interface module and the power management module, and is used for communicating with the USB interface module, the Apple interface module and the card.

A working method of a multi-interface mobile security device with power management, the basic implementation process is as follows:

After the device is powered on and initialized, the functional modules of the device perform the following steps:

Step A1, open USB access interrupt and Apple access interrupt;

When the USB interface is inserted or pulled out, the USB access interruption is triggered, and the power supply voltage of the USB interface is checked. If it is a high voltage, the USB data reception interruption is opened, and if it is a low voltage, the USB data reception interruption is closed; When the apple interface is inserted or pulled out, the apple access interruption is triggered, and the power supply voltage of the apple interface is checked. If it is high voltage, the apple data reception interruption is opened, and if it is low voltage, the apple data reception interruption is closed;

When the USB interface detects the data sent by the host computer, the USB data reception interrupt is triggered, receives the data sent by the host computer, and sets the USB receiving flag; when the apple interface receives the data sent by the host computer, the apple data The receiving interrupt is triggered, the data sent by the upper computer is received, and the Apple receiving flag is set;

Step A2, check whether the USB receiving flag is set, if so, reset the USB receiving flag, set the USB flag, and execute step A4, otherwise execute step A3;

Step A3, check whether the apple receiving flag is set, if so, reset the apple receiving flag, set the apple flag, execute step A4, otherwise return to step A2;

Step A4. Determine whether there is a card connected to the device. If yes, send the data sent by the host computer to the card, receive the card’s response, use the card’s response as the returned data, and execute step A5. Otherwise, the message indicating that there is no card is used as Return the data and execute step A5;

Step A5, check the USB sign and the Apple sign, if the USB sign is set, return the return data to the host computer through the USB interface, reset the USB sign, and return to step A2; if the Apple sign is set bit, then return the returned data to the host computer through the Apple interface, reset the Apple logo, and return to step A2.

Alternatively, after the device is powered on and initialized, the functional module performs the following steps:

Step B1, open USB access interrupt and Apple access interrupt;

When the USB interface is inserted or pulled out, the USB access interruption is triggered, and the power supply voltage of the USB interface is checked. If it is a high voltage, the USB data reception interruption is opened, and if it is a low voltage, the USB data reception interruption is closed; When the apple interface is inserted or pulled out, the apple access interruption is triggered, and the power supply voltage of the apple interface is checked. If it is high voltage, the apple data reception interruption is opened, and if it is low voltage, the apple data reception interruption is closed;

When the USB interface detects the data sent by the host computer, the USB data reception interrupt is triggered, receives the data sent by the host computer, and sets the USB receiving flag; when the apple interface receives the data sent by the host computer, the apple data The receiving interrupt is triggered, the data sent by the upper computer is received, and the Apple receiving flag is set;

Step B2, check whether the apple receiving flag is set, if so, reset the apple receiving flag, set the apple flag, execute step B4, otherwise execute step B3;

Step B3, check whether the USB reception flag is set, if yes, reset the USB reception flag, set the USB flag, and execute step B4, otherwise return to step B2;

Step B4, determine whether there is a card connected to the device, if yes, send the data sent by the host computer to the card, receive the card’s response, use the card’s response as the returned data, and execute step B5, otherwise, the message indicating that there is no card is used as Return the data and execute step B5;

Step B5, check the USB sign and the Apple sign, if the USB sign is set, return data to the host computer through the USB interface, reset the USB sign, and return to step B2; if the Apple sign is set bit, then return the returned data to the host computer through the Apple interface, reset the Apple logo, and return to step B2.

Alternatively, after the device is powered on and initialized, the functional module performs the following steps:

Step C1, open USB access interrupt and Apple access interrupt;

When the USB interface is plugged in or pulled out, the USB access interrupt is triggered, and the power supply voltage of the USB interface is checked. If it is a high voltage, the USB access flag is set, and the USB data receiving interrupt is turned on. If it is a low voltage, the interrupt is reset. Said USB access sign, closes said USB data receiving interruption; When the apple interface is plugged in or pulled out, said apple access interruption is triggered, checks the power supply voltage of the apple interface, if it is high voltage, then sets the apple access sign , open the apple data receiving interrupt, if it is low voltage, reset the apple access sign, and close the apple data receiving interrupt;

When the USB interface detects the data sent by the host computer, the USB data reception interrupt is triggered, receives the data sent by the host computer, and sets the USB receiving flag; when the apple interface receives the data sent by the host computer, the apple data The receiving interrupt is triggered, the data sent by the upper computer is received, and the Apple receiving flag is set;

Step C2, check whether the USB access flag is set, if yes, execute step C3, otherwise execute step C4;

Step C3, check whether the USB receiving flag is set, if yes, reset the USB receiving flag, set the USB flag, execute step C6, otherwise return to step C2;

Step C4, check whether the Apple access flag is set, if yes, execute step C5, otherwise return to step C2;

Step C5, check whether the apple receiving flag is set, if so, reset the apple receiving flag, set the apple flag, execute step C6, otherwise return to step C4;

Step C6, determine whether there is a card connected to the device, if yes, send the data sent by the host computer to the card, receive the card’s response, use the card’s response as the returned data, and execute step C7, otherwise, the message indicating that there is no card is used as return data, execute step C7;

Step C7, check the USB sign and the Apple sign, if the USB sign is set, return the return data to the host computer through the USB interface, reset the USB sign, and return to step C2; if the Apple sign is set bit, then return the returned data to the host computer through the apple interface, reset the apple sign, and return to step C4.

Alternatively, after the device is powered on and initialized, the functional module performs the following steps:

Step D1, open USB access interrupt and Apple access interrupt;

When the USB interface is plugged in or pulled out, the USB access interrupt is triggered, and the power supply voltage of the USB interface is checked. If it is a high voltage, the USB access flag is set, and the USB data receiving interrupt is turned on. If it is a low voltage, the interrupt is reset. Said USB access sign, closes said USB data receiving interruption; When the apple interface is plugged in or pulled out, said apple access interruption is triggered, checks the power supply voltage of the apple interface, if it is high voltage, then sets the apple access sign , open the apple data receiving interrupt, if it is low voltage, reset the apple access sign, and close the apple data receiving interrupt;

When the USB interface detects the data sent by the host computer, the USB data reception interrupt is triggered, receives the data sent by the host computer, and sets the USB receiving flag; when the apple interface receives the data sent by the host computer, the apple data The receiving interrupt is triggered, the data sent by the upper computer is received, and the Apple receiving flag is set;

Step D2, check whether the apple access flag is set, if yes, execute step D3, otherwise execute step D4;

Step D3, check whether the apple receiving flag is set, if so, reset the apple receiving flag, set the apple flag, execute step D6, otherwise return to step D2;

Step D4, check whether the USB access flag is set, if yes, execute step D5, otherwise return to step D2;

Step D5, check whether the USB receiving flag is set, if yes, reset the USB receiving flag, set the USB flag, execute step D6, otherwise return to step D4;

Step D6, determine whether there is a card connected to the device, if yes, send the data sent by the host computer to the card, receive the card’s response, use the card’s response as the returned data, and execute step D7, otherwise, the message indicating that there is no card is used as Return data, execute step D7;

Step D7, check the USB sign and the Apple sign, if the USB sign is set, return the return data to the host computer through the USB interface, reset the USB sign, and return to step D4; if the Apple sign is set bit, then return the returned data to the host computer through the Apple interface, reset the Apple logo, and return to step D2.

The beneficial effect of the method of the present invention is that: the present invention provides a mobile security device supporting a USB interface and an Apple interface and a working method thereof, so that the mobile security device can be applied to both a PC and an intelligent terminal with an Apple interface, cross-platform The application provides convenience for users, and at the same time can reduce hardware costs and save hardware resources.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. Those skilled in the art can also obtain other drawings based on these drawings without creative work.

FIG. 1 is a block diagram of a multi-interface mobile security device with power management provided by Embodiment 1 of the present invention;

FIG. 2 is a block diagram of a multi-interface mobile security device with power management provided by Embodiment 2 of the present invention;

FIG. 3 is a block diagram of a multi-interface mobile security device with power management provided by Embodiment 3 of the present invention;

FIG. 4 is a block diagram of a multi-interface mobile security device with power management provided by Embodiment 4 of the present invention;

FIG. 5 is a flowchart of a working method of a multi-interface mobile security device with power management provided by Embodiment 6 of the present invention;

FIG. 6 is a flowchart of a working method of a multi-interface mobile security device with power management provided by Embodiment 8 of the present invention;

7 is a flow chart of the timing card reading interruption processing flow provided in Embodiment 10 of the present invention;

FIG. 8 is a flow chart of the timing card reading interruption processing flow provided in Embodiment 12 of the present invention.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without making creative efforts belong to the protection scope of the present invention.

Example 1

Embodiment 1 of the present invention provides a multi-interface mobile security device with power management. The device has a battery and has two physical interfaces: a USB interface and an Apple interface. Referring to Figure 1, the equipment provided in Embodiment 1 of the present invention specifically includes:

The USB interface module 1 is connected with the battery module 3, the power management module 4 and the function module 5, and is used for connecting with the host computer, obtaining electric energy from the upper computer, charging the battery module 3 with the obtained electric energy and passing the power management module 4 to The functional module 5 supplies power and communicates with the functional module 5 and the host computer;

The apple interface module 2 is connected with the power management module 4 and the function module 5, and is used to connect with the upper computer, obtain electric energy from the upper computer, use the obtained electric energy to supply power to the function module 5 through the power management module 4, and connect with the function module 5 and the function module 5. The host computer communicates;

The battery module 3 is connected to the USB interface module 1 and the power management module 4, and is used to supply power to the function module 5 through the power management module 4 when the device is only connected to the host computer through the Apple interface module 2;

The power management module 4 is connected with the USB interface module 1, the apple interface module 2, the battery module 3 and the function module 5, and is used to control the power obtained from the host computer by the USB interface module 1 when the USB interface module 1 is connected to the host computer. The electric energy provided by the battery module 5 supplies power for the functional module 5, and when the device is only connected to the host computer through the Apple interface module 2, the battery module 3 is controlled to use the stored electric energy, and the Apple interface module 2 uses the electric energy obtained from the upper computer to jointly form the functional module 5 powered by;

The function module 5 is connected with the USB interface module 1, the Apple interface module 2 and the power management module 4, and is used for communicating with the USB interface module 1, the Apple interface module 2 and the card.

When the device provided by Embodiment 1 of the present invention is connected to the host computer through the USB interface, the device obtains power from the host computer through the USB interface to supply power for the device. When the device is only connected to the host computer through the Apple interface, the device obtains power from the host computer through the Apple interface. Electrical energy, which together with the battery powers the device.

Further, in this embodiment, the function module 5 is also used to send a control signal to the power management module 4 when the device is only connected to the host computer through the Apple interface module 2 and the power consumption of the device is high; correspondingly:

The power management module 4 is used to control the USB interface module 1 to supply power to the functional module 5 with the power obtained from the host computer when the USB interface module 1 is connected to the host computer. When the device is only connected to the host computer through the Apple interface module 2 , control the Apple interface module 2 to supply power to the function module 5 with the electric energy obtained from the upper computer, and when receiving the control signal sent by the function module 5, control the battery module 3 to use the stored electric energy to work together with the Apple interface module 2 Module 5 supplies power.

The mobile security device provided by Embodiment 1 of the present invention has a power supply system designed so that the integration of the Apple interface and the USB interface on the mobile security device becomes possible.

Example 2

Embodiment 2 of the present invention provides a multi-interface mobile security device with power management on the basis of Embodiment 1. Referring to Fig. 2, described equipment specifically comprises: USB interface module 11, apple interface module 12, battery module 13, power management module 14 and function module 15; Wherein, USB interface module 11 and battery module 13, power management module 14 and function Module 15 is connected, and apple interface module 12 is connected with power management module 14 and function module 15, and battery module 13 is connected with USB interface module 11 and power management module 14, and power management module 14 is connected with USB interface module 11, apple interface module 12, battery Module 13 is connected to function module 15 , and function module 15 is connected to USB interface module 11 , Apple interface module 12 and power management module 14 .

Specifically, the Apple interface module 12 includes an Apple interface unit 121 and an Apple communication unit 122; the battery module 13 includes a charging management unit 131 and a battery unit 132; the power management module 14 includes a power supply automatic switching circuit unit 141, a voltage isolation unit 142, a system power supply The management unit 143 and the power supply isolation unit 144 ; the functional module 15 includes a main control unit 151 , a contactless power control unit 152 , a contactless unit 153 , a contact power control unit 154 , a contact unit 155 and a human-computer interaction unit 156 .

In this embodiment, the functions and connections of each module and unit are specifically:

The USB interface module 11 is connected with the charging management unit 131, the power supply automatic switching circuit unit 141, the voltage isolation unit 142, the system power management unit 143 and the main control unit 151, and is used for connecting with the host computer, obtaining electric energy from the host computer, and charging The management unit 131 charges the battery unit 132, sends an electric signal to the system power management unit 143, enables the system power management unit 143, and automatically switches the circuit unit 141 and the system power management unit 143 to the contactless power supply control unit 152 and the contact power supply through the power supply. The control unit 154 supplies power to the main control unit 151 and the human-computer interaction unit 156 through the power supply automatic switching circuit unit 141, the system power management unit 143 and the power supply isolation unit 144, and is also used for data communication with the main control unit 151 and the upper computer ;

The apple interface unit 121 is connected with the apple communication unit 122, the voltage isolation unit 142 and the power supply isolation unit 144, and is used to connect with the host computer, obtain electric energy from the host computer, and send electrical signals to the system power management unit 143 through the voltage isolation unit 142, The system power management unit 143 is enabled to supply power to the main control unit 151 and the human-computer interaction unit 156 through the power supply isolation unit 144, and is also used for data communication with the Apple communication unit 122 and the upper computer;

The apple communication unit 122 is connected with the apple interface unit 121 and the main control unit 151, and is used for carrying out data communication with the apple interface unit 121 and the main control unit 151;

The charging management unit 131 is connected with the USB interface module 11 and the battery unit 132, and is used to obtain power from the USB interface module 11 and transmit it to the battery unit 132 when the battery unit 132 is not fully charged. When the battery unit 132 is fully charged, Stop obtaining power from the USB interface module 11;

The battery unit 132 is connected with the charging management unit 131 and the power supply automatic switching circuit unit 141, and is used to supply the wireless battery through the power supply automatic switching circuit unit 141 and the system power supply management unit 143 when the device is only connected to the host computer through the Apple interface unit 121. The power control unit 152 and the contact power control unit 154 supply power, and supply power to the main control unit 151 and the human-computer interaction unit 156 through the power supply automatic switching circuit unit 141, the system power management unit 143 and the power supply isolation unit 144;

The power supply automatic switching circuit unit 141 is connected with the USB interface module 11, the battery unit 132 and the system power management unit 143, and is used to allow only the current from the USB interface module 11 to pass through when the USB interface module 11 is connected to the host computer. When the interface module 11 is not connected to the host computer, the current from the battery unit 132 is allowed to pass through;

The voltage isolation unit 142 is connected with the USB interface module 11, the apple interface unit 121 and the system power management unit 143, and is used to send the electrical signal sent by the apple interface unit 121 to the system power management unit 143, enabling the system power management unit 143, And blocking the voltage from the USB interface module 11 from entering the apple interface unit 121;

The system power management unit 143 is connected with the USB interface module 11, the power supply automatic switching circuit unit 141, the voltage isolation unit 142, the power supply isolation unit 144, the contactless power supply control unit 152 and the contact power supply control unit 154, for enabling , convert the input voltage to obtain a preset voltage, output the preset voltage, directly supply power to the contactless power supply control unit 152 and the contact power supply control unit 154, and supply power to the main control unit 151 and the human-computer interaction unit 156 through the power supply isolation unit 144 power supply, wherein the preset voltage is a voltage of 3.3V;

The power supply isolation unit 144 is connected with the apple interface unit 121, the system power management unit 143, the main control unit 151 and the human-computer interaction unit 156, and is used to use the current from the apple interface unit 121 when the apple interface unit 121 is connected to the upper computer. The main control unit 151 and the human-computer interaction unit 156 are powered, and when the USB interface module 11 is connected to the host computer, the current from the system power management unit 143 is used to supply power to the main control unit 151 and the human-computer interaction unit 156, and to block from The current of the system power management unit 143 flows into the apple interface unit 121;

The main control unit 151 is connected with the power supply isolation unit 144, the USB interface module 11, the Apple communication unit 122, the contactless power control unit 152, the contactless unit 153, the contact power control unit 154, the contact unit 155 and the human-computer interaction unit 156, Used to send control signals to the contactless power control unit 152 and the contact power supply control unit 154, and perform data communication with the contactless unit 153, the contact unit 155, the USB interface module 11 and the Apple communication unit 122;

The contactless power supply control unit 152 is connected with the system power management unit 143, the main control unit 151 and the contactless unit 153, and is used to receive the control signal sent by the main control unit 151, and control the power-on and power-off of the contactless unit 153;

The contactless unit 153 is connected with the contactless power supply control unit 152 and the main control unit 151, and is used for data communication with the main control unit 151 and the contactless card;

The contact power control unit 154 is connected with the system power management unit 143, the main control unit 151 and the contact unit 155, and is used to receive the control signal sent by the main control unit 151, and control the power-on and power-off of the contact unit 155;

The contact unit 155 is connected with the contact power control unit 154 and the main control unit 151, and is used for data communication with the main control unit 151 and the contact card;

The human-computer interaction unit 156 is connected with the power supply isolation unit 144 and the main control unit 151 for human-computer interaction; specifically, the human-computer interaction unit 156 may include a buzzer and/or a display screen and/or an LED and/or keyboard etc.

Preferably, in this embodiment, the USB interface module 11 includes a USB interface, the Apple interface unit 121 includes an Apple interface, the Apple communication unit 122 includes an Apple communication chip, the charging management unit 131 includes a battery charging chip, and the battery unit 132 includes a lithium battery. The automatic switching circuit unit 141 is a power supply automatic switching circuit comprising two diodes, the voltage isolation unit 142 is a voltage isolation circuit comprising two diodes, the system power management unit 143 comprises a power management chip, and the power supply isolation unit 144 is a circuit comprising two diodes Power supply isolation circuit, the main control unit 151 includes an MCU, the contactless power control unit 152 includes a power management chip/transistor/MOS tube, the contactless unit 153 includes a contactless chip and coil, and the contact power control unit 154 includes a power management chip/transistor/ The MOS tube, the contact unit 155 includes a contact chip and a card slot.

When the device provided by Embodiment 2 of the present invention is connected to the host computer through the USB interface, the functional modules of the device are powered by the USB interface. When the device is only connected to the host computer through the Apple interface, the functional modules of the device communicate with the card. Battery-powered, the main control and human-computer interaction parts are powered by the battery and the Apple interface.

Example 3

Embodiment 3 of the present invention provides a multi-interface mobile security device with power management on the basis of Embodiment 1. Referring to Fig. 3, described equipment specifically comprises: USB interface module 21, apple interface module 22, battery module 23, power management module 24 and function module 25; Wherein, USB interface module 21 and battery module 23, power management module 24 and function Module 25 is connected, and apple interface module 22 is connected with power management module 24 and function module 25, and battery module 23 is connected with USB interface module 21 and power management module 24, and power management module 24 is connected with USB interface module 21, apple interface module 22, battery The module 23 is connected with the function module 25 , and the function module 25 is connected with the USB interface module 21 , the Apple interface module 22 and the power management module 24 .

Specifically, the apple interface module 22 includes an apple interface unit 221 and an apple communication unit 222; the battery module 23 includes a charging management unit 231 and a battery unit 232; the power management module 24 includes a power supply automatic switching circuit unit 241, a system power management unit 242 and a power supply The isolation unit 243 ; the functional module 25 includes a main control unit 251 , a contactless power control unit 252 , a contactless unit 253 , a contact power control unit 254 , a contact unit 255 and a human-computer interaction unit 256 .

In this embodiment, the functions and connections of each module and unit are specifically:

The USB interface module 21 is connected with the charging management unit 231, the power supply automatic switching circuit 241, the system power management unit 242 and the main control unit 251, and is used to connect with the host computer, obtain electric energy from the host computer, and charge the battery unit through the charging management unit 231 232 charging, through the power supply automatic switching circuit unit 241 to supply power to the contactless power control unit 252 and the contact power control unit 254, and send an electrical signal to the system power management unit 242 to enable the system power management unit 242, through the system power management unit 242 and the contact power control unit 254 The power supply isolation unit 243 supplies power to the main control unit 251 and the human-computer interaction unit 256, and is also used for data communication with the main control unit 251 and the upper computer;

The apple interface unit 221 is connected with the apple communication unit 222 and the power supply isolation unit 243, and is used to connect with the host computer, obtain electric energy from the host computer, supply power to the main control unit 251 and the human-computer interaction unit 256 through the power supply isolation unit 243, and use For data communication with the Apple communication unit 222 and the host computer;

The apple communication unit 222 is connected with the apple interface unit 221 and the main control unit 251, and is used for carrying out data communication with the apple interface unit 221 and the main control unit 251;

The charging management unit 231 is connected to the USB interface module 21 and the battery unit 232, and is used to obtain power from the USB interface module 21 and transmit it to the battery unit 232 when the battery unit 232 is not fully charged. When the battery unit 232 is fully charged, Stop obtaining power from the USB interface module 21;

The battery unit 232 is connected with the charging management unit 231 and the power supply automatic switching circuit unit 241, and is used to supply the contactless power supply control unit 252 and the contactless power supply control unit 252 through the power supply automatic switching circuit unit 241 when the device is only connected to the upper computer through the Apple interface unit 221. The power supply control unit 254 supplies power;

The power supply automatic switching circuit unit 241 is connected with the USB interface module 21, the battery unit 232, the contactless power supply control unit 252 and the contact power supply control unit 254, and is used for when the USB interface module 21 is connected with the upper computer, only allowing The current of 21 passes through, and when the USB interface module 21 is not connected with the host computer, the current from the battery unit 232 is allowed to pass;

The system power management unit 242 is connected with the USB interface module 21 and the power supply isolation unit 243, and is used to convert the input voltage to obtain a preset voltage when it is enabled, output the preset voltage, and send the power to the host through the power supply isolation unit 243. The control unit 251 and the human-computer interaction unit 256 supply power, wherein the preset voltage is a voltage of 3.3V;

The power supply isolation unit 243 is connected with the apple interface unit 221, the system power management unit 242, the main control unit 251 and the human-computer interaction unit 256, and is used to use the current from the apple interface unit 221 when the apple interface unit 221 is connected to the upper computer. Power the main control unit 251 and the human-computer interaction unit 256, and when the USB interface module 21 is connected to the host computer, use the current from the system power management unit 242 to supply power to the main control unit 251 and the human-computer interaction unit 256, and block the The current of the system power management unit 242 flows into the apple interface unit 221;

The main control unit 251 is connected with the power supply isolation unit 243, the USB interface module 21, the Apple communication unit 222, the contactless power control unit 252, the contactless unit 253, the contact power control unit 254, the contact unit 255 and the man-machine interaction unit 256, Used to send control signals to the contactless power supply control unit 252 and the contact power supply control unit 254, and perform data communication with the contactless unit 253, the contact unit 255, the USB interface module 21 and the Apple communication unit 222;

The contactless power supply control unit 252 is connected with the power supply automatic switching circuit unit 241, the main control unit 251 and the contactless unit 253, and is used to receive the control signal sent by the main control unit 251, and control the power-on and power-off of the contactless unit 253;

The contactless unit 253 is connected with the contactless power supply control unit 252 and the main control unit 251, and is used for data communication with the main control unit 251 and the contactless card;

The contact power supply control unit 254 is connected with the power supply automatic switching power supply unit 241, the main control unit 251 and the contact unit 255, and is used to receive the control signal sent by the main control unit 251, and control the power-on and power-off of the contact unit 255;

The contact unit 255 is connected with the contact power control unit 254 and the main control unit 251, and is used for data communication with the main control unit 251 and the contact card;

The human-computer interaction unit 256 is connected to the power supply isolation unit 243 and the main control unit 251 for human-computer interaction; specifically, the human-computer interaction unit 256 may include a buzzer and/or a display screen and/or an LED and/or keyboard etc.

Preferably, in this embodiment, the USB interface module 21 includes a USB interface, the Apple interface unit 221 includes an Apple interface, the Apple communication unit 222 includes an Apple communication chip, the charging management unit 231 includes a battery charging chip, and the battery unit 232 includes a lithium battery. The automatic switching circuit unit 241 is a power supply automatic switching circuit including two diodes, the system power management unit 242 includes a power management chip, the power supply isolation unit 243 is a power supply isolation circuit including two diodes, the main control unit 251 includes an MCU, and the non-connected power supply The control unit 252 includes a power management chip/transistor/MOS tube, the contactless unit 253 includes a contactless chip and a coil, the contact power control unit 254 includes a power management chip/transistor/MOS tube, and the contact unit 255 includes a contact chip and a card slot.

When the device provided by Embodiment 3 of the present invention is connected to the host computer through the USB interface, the functional modules of the device are powered by the USB interface. The battery power supply, the main control and the human-computer interaction part are powered by the Apple interface.

Example 4

Embodiment 4 of the present invention provides a multi-interface mobile security device with power management on the basis of Embodiment 1. Referring to Fig. 4, described equipment specifically comprises: USB interface module 31, apple interface module 32, battery module 33, power management module 34 and function module 35; Wherein, USB interface module 31 and battery module 33, power management module 34 and function Module 35 links to each other, apple interface module 32 links to each other with power management module 34 and function module 35, battery module 33 links to each other with USB interface module 31 and power management module 34, power management module 34 links to each other with USB interface module 31, apple interface module 32, battery The module 33 is connected to the function module 35 , and the function module 35 is connected to the USB interface module 31 , the Apple interface module 32 and the power management module 34 .

Specifically, the apple interface module 32 includes an apple interface unit 321 and an apple communication unit 322; the battery module 33 includes a charging management unit 331 and a battery unit 332; the power management module 34 includes a power supply automatic switching circuit unit 341, a voltage isolation unit 342, a system power supply Management unit 343, power supply isolation unit 344 and battery power supply control unit 345; functional module 35 includes main control unit 351, contactless power control unit 352, contactless unit 353, contact power control unit 354, contact unit 355 and human-computer interaction unit 356.

In this embodiment, the functions and connections of each module and unit are specifically:

The USB interface module 31 is connected with the charging management unit 331, the power supply automatic switching circuit unit 341, the voltage isolation unit 342, the system power management unit 343 and the main control unit 351, and is used for connecting with the host computer, obtaining electric energy from the host computer, and charging The management unit 331 charges the battery unit 332, sends an electrical signal to the system power management unit 343, enables the system power management unit 343, and supplies power to the main control unit 351 through the power supply automatic switching circuit unit 341, the system power management unit 343 and the power supply isolation unit 344. , the contactless power supply control unit 352, the contact power supply control unit 354 and the human-computer interaction unit 356 supply power, and are also used for data communication with the main control unit 351 and the host computer;

The apple interface unit 321 is connected with the apple communication unit 322, the voltage isolation unit 342 and the power supply isolation unit 344, and is used to connect with the host computer, obtain electric energy from the host computer, and send an electrical signal to the system power management unit 343 through the voltage isolation unit 342, Enable the system power management unit 343 to supply power to the main control unit 351, the contactless power control unit 352, the contact power control unit 354 and the human-computer interaction unit 356 through the power supply isolation unit 344, and is also used to communicate with the Apple communication unit 322 and the host computer data communication;

The apple communication unit 322 is connected with the apple interface unit 321 and the main control unit 351, and is used for carrying out data communication with the apple interface unit 321 and the main control unit 351;

The charging management unit 331 is connected with the USB interface module 31 and the battery unit 332, and is used to obtain power from the USB interface module 31 and transmit it to the battery unit 332 when the battery unit 332 is not fully charged. When the battery unit 332 is fully charged, Stop obtaining power from the USB interface module 31;

The battery unit 332 is connected to the charging management unit 331 and the battery power supply control unit 345, and is used to automatically switch between the battery power supply control unit 345 and the power supply when the device is only connected to the host computer through the Apple interface unit 321 and the power consumption of the device is large. The circuit unit 341, the system power management unit 343 and the power supply isolation unit 344 supply power to the main control unit 351, the contactless power control unit 352, the contact power control unit 354 and the human-computer interaction unit 356;

The power supply automatic switching circuit unit 341 is connected with the USB interface module 31, the system power management unit 343 and the battery power supply control unit 345, and is used to allow only the current from the USB interface module 31 to pass through when the USB interface module 31 is connected to the host computer. When the USB interface module 31 is not connected with the host computer, the current from the battery power supply control unit 345 is allowed to pass through;

The voltage isolation unit 342 is connected with the USB interface module 31, the apple interface unit 321 and the system power management unit 343, and is used to send the electrical signal sent by the apple interface unit 321 to the system power management unit 343, enabling the system power management unit 343, And blocking the voltage from the USB interface module 31 from entering the apple interface unit 321;

The system power management unit 343 is connected to the USB interface module 31, the power supply automatic switching circuit unit 341, the voltage isolation unit 342 and the power supply isolation unit 344, and is used to convert the input voltage to obtain a preset voltage when it is enabled, Output a preset voltage, and supply power to the main control unit 351, the contactless power supply control unit 352, the contact power supply control unit 354 and the human-computer interaction unit 356 through the power supply isolation unit 344, wherein the preset voltage is a voltage of 3.3V;

The power supply isolation unit 344 is connected with the apple interface unit 321, the system power management unit 343, the main control unit 351, the contactless power supply control unit 352, the contact power supply control unit 354 and the human-computer interaction unit 356, and is used to connect the apple interface unit 321 with the human-computer interaction unit 356. When the host computer is connected, the main control unit 351, the contactless power supply control unit 352, the contact power supply control unit 354 and the human-computer interaction unit 356 are powered by the current from the apple interface unit 321, and when the USB interface module 31 is connected with the host computer , use the current from the system power management unit 343 to supply power to the main control unit 351, the contactless power control unit 352, the contact power control unit 354 and the human-computer interaction unit 356, and block the current from the system power management unit 343 from flowing into the apple interface unit 321;

The battery power supply control unit 345 is connected to the battery unit 332, the power supply automatic switching circuit unit 341 and the main control unit 351, and is used to allow the current from the battery unit 332 to pass after receiving the control signal sent by the main control unit 351;

Main control unit 351, with USB interface module 31, apple communication unit 322, power supply isolation unit 344, battery power supply control unit 345, contactless power control unit 352, contactless unit 353, contact power control unit 354, contact unit 355 and people Connected with the machine interaction unit 356, used to send control signals to the contactless power supply control unit 352 and the contact power supply control unit 354, and carry out data communication with the contactless unit 353, the contact unit 355, the USB interface module 31 and the Apple communication unit 322, and when The device only sends a control signal to the battery-powered control unit 345 when it is connected to the host computer through the Apple interface unit 321 and the power consumption is high;

The contactless power supply control unit 352 is connected with the power supply isolation unit 344, the main control unit 351 and the contactless unit 353, and is used to receive the control signal sent by the main control unit 351, and control the power-on and power-off of the contactless unit 353;

The contactless unit 353 is connected with the contactless power supply control unit 352 and the main control unit 351, and is used for data communication with the main control unit 351 and the contactless card;

The contact power supply control unit 354 is connected with the power supply isolation unit 344, the main control unit 351 and the contact unit 355, and is used to receive the control signal sent by the main control unit 351, and control the power-on and power-off of the contact unit 355;

The contact unit 355 is connected with the contact power control unit 354 and the main control unit 351, and is used for data communication with the main control unit 351 and the contact card;

The human-computer interaction unit 356 is connected to the power supply isolation unit 344 and the main control unit 351 for human-computer interaction; specifically, the human-computer interaction unit 356 may include a buzzer and/or a display screen and/or an LED and/or keyboard etc.

Preferably, in this embodiment, the USB interface module 31 includes a USB interface, the Apple interface unit 321 includes an Apple interface, the Apple communication unit 322 includes an Apple communication chip, the charging management unit 331 includes a battery charging chip, and the battery unit 332 includes a lithium battery. The automatic switching circuit unit 341 is a power supply automatic switching circuit including two diodes, the voltage isolation unit 342 is a voltage isolation circuit including two diodes, the system power management unit 343 includes a power management chip, and the power supply isolation unit 344 is a voltage isolation circuit including two diodes. Power supply isolation circuit, the battery power supply control unit 345 includes a power management chip/transistor/MOS tube, the main control unit 351 includes an MCU, the contactless power supply control unit 352 includes a power management chip/transistor/MOS tube, and the contactless unit 353 includes a contactless chip and the coil, the contact power control unit 354 includes a power management chip/transistor/MOS tube, and the contact unit 355 includes a contact chip and a card slot.

For the device provided in Embodiment 4 of the present invention, if the USB interface is connected to the host computer, the USB interface is used to supply power to the device; if the device is only connected to the host computer through the Apple interface, when the power consumption of the device is low, the Apple interface supplies power to the device. When the power consumption of the device is high, the device is powered by the Apple interface and the battery.

Example 5

Embodiment 5 of the present invention provides a working method of a multi-interface mobile security device with power management. The method specifically includes when the USB interface of the device is connected to the host computer, or when the Apple interface of the device is connected to the host Power on, after the device is powered on and initialized, the function module performs the following steps:

Step 51: Turn on USB access interrupt and Apple access interrupt;

In this embodiment, when the USB interface is inserted or pulled out, the USB access interrupt is triggered, and the power supply voltage of the USB interface is checked. If the voltage is high, the USB data receiving interrupt is turned on, and if the voltage is low, the USB data receiving interrupt is turned off; When the apple interface is plugged in or pulled out, the apple access interrupt is triggered, check the power supply voltage of the apple interface, if it is high voltage, turn on the apple data receiving interrupt, if it is low voltage, turn off the apple data receiving interrupt;

When the USB interface detects the data sent by the host computer, the USB data receiving interrupt is triggered, the data sent by the host computer is received, and the USB receiving flag is set; when the Apple interface receives the data sent by the host computer, the Apple data receiving interrupt is triggered , to receive the data sent by the host computer, and set the Apple receiving flag.

Step 52: Check whether the USB receiving flag is set, if so, reset the USB receiving flag, set the USB flag, and execute step 54, otherwise execute step 53;

Step 53: Check whether the Apple receiving flag is set, if so, reset the Apple receiving flag, set the Apple flag, and execute step 54, otherwise return to step 52;

Step 54: Determine whether there is a card that has established a connection with the device. If yes, send the data sent by the host computer to the card, receive the card’s response, and use the card’s response as the returned data, and execute step 55. Otherwise, the message indicating that there is no card is used as return data, execute step 55;

Step 55: Check the USB logo and the Apple logo. If the USB logo is set, return the returned data to the host computer through the USB interface, reset the USB logo, and return to step 52. If the Apple logo is set, return the returned data through the Apple interface For the upper computer, reset the Apple logo, and return to step 52.

Example 6

Embodiment 6 of the present invention provides a working method of a multi-interface mobile security device with power management. The method specifically includes when the USB interface of the device is connected to the host computer, or when the Apple interface of the device is connected to the host Power on, as shown in Figure 5, after the device is powered on and initialized, the functional module performs the following steps:

Step 501: Turn on the USB access interrupt, Apple access interrupt and timing card reading interrupt, start the timer, and reset the query balance flag;

In this embodiment, when the USB interface is inserted or pulled out, the USB access interrupt is triggered, and the USB access interrupt processing flow is entered; when the Apple interface is inserted or pulled out, the Apple access interrupt is triggered, and the Apple access interrupt is entered. processing flow;

The USB access interrupt processing flow specifically includes: check the power supply voltage of the USB interface, if it is low voltage, turn off the USB data receiving interrupt, and exit the USB access interrupt processing flow; Power on the contact unit, open the USB data receiving interrupt, reset the timing power on and off flag, and exit the USB access interrupt processing flow;

The apple access interrupt processing process specifically includes: check the power supply voltage of the apple interface, if it is low voltage, turn off the apple data receiving interrupt, and exit the apple access interrupt processing flow; if it is high voltage, turn on the apple data receiving interrupt, set the timing up and down Power flag, exit the Apple access interrupt processing flow.

In this embodiment, when the USB interface detects the data packet sent by the host computer, the USB data receiving interrupt is triggered and enters the USB data receiving interrupt processing flow; when the Apple interface receives the data packet sent by the host computer, the Apple data receiving interrupt is triggered and enters the Apple data receiving interrupt processing flow;

The USB data reception interrupt processing flow specifically includes: receiving the data packet sent by the host computer, if the received data packet is complete, set the USB reception flag, and exit the USB data reception interrupt processing flow, if the received data packet is incomplete, then exit USB data receiving interrupt processing flow;

The apple data receiving interrupt processing flow specifically includes: receiving the data packet sent by the host computer, if the received data packet is complete, set the apple receiving flag, and exit the apple data receiving interrupt processing flow, if the received data packet is incomplete, then exit Apple data receiving interrupt processing flow.

In this embodiment, whenever the timer reaches the preset value, the timing card reading interruption is triggered, and the timing card reading interruption processing flow is entered;

The timing card reading interrupt processing flow specifically includes:

Step i, check whether the timing power on and off flag is set, if yes, power on the non-contact unit and the contact unit, and execute step ii, otherwise directly execute step ii;

Step ii. Check whether there is a contact card connected to the device. If yes, set the card identification as the first preset value, and exit the timing card reading interrupt processing flow. Otherwise, check whether there is a contactless card connected to the device. If the query If it arrives, set the card identification as the second preset value, exit the timing card reading interrupt processing flow, if not inquire, then set the card identification as the third preset value, reset the query balance flag, and execute step iii;

Step iii. Check whether the timing power-on and power-on flag is set. If yes, power off the non-contact unit and the contact unit, and exit the timing card reading interruption processing flow, otherwise directly exit the timing card reading interruption processing flow.

Further, in the USB access interrupt processing flow, when the power supply voltage of the USB interface is a low voltage, it also includes resetting the USB access flag, and when the power supply voltage of the USB interface is a high voltage, it also includes setting the USB access flag;

Correspondingly, in step i, after checking that the timing power-on and power-on flags are set, before powering on the contactless unit and the contact unit, it may also include: checking whether the USB access flag is set, and if so, to the contactless unit and contact unit Power on the contact unit, otherwise first control the battery unit to start power supply, and then power on the non-contact unit and the contact unit;

In step iii, after checking that the timing power-on and power-on flags are set, before powering off the contactless unit and the contact unit, it may also include: checking whether the USB access flag is set, and if so, powering off the contactless unit and the contact unit Otherwise, first control the battery unit to stop power supply, and then power off the non-contact unit and contact unit.

Step 502: Check whether the USB receiving flag is set, if yes, execute step 503, otherwise execute step 504;

Step 503: reset the USB receiving flag, set the USB flag, and execute step 506;

Step 504: Check whether the apple receiving flag is set, if yes, execute step 505, otherwise execute step 514;

Step 505: reset the apple receiving flag, set the apple flag, and execute step 506;

Step 506: Check the card ID, if the card ID is the first preset value, then execute step 507, if the card ID is the second preset value, then execute step 508, if it is the third preset value, then use the message prompting no card as return data, execute step 510;

Step 507: Send the received data sent by the host computer to the contact card that establishes a connection with the device, and execute step 509;

Step 508: Send the received data sent by the host computer to the contactless card that establishes a connection with the device, and execute step 509;

Step 509: Determine whether the response from the card is received within the preset time, if yes, take the response from the card as the return data, and execute step 510, otherwise, use the information prompting that the card has timed out as the return data, and execute step 510;

Step 510: Check whether the USB flag is set, if yes, execute step 511, otherwise execute step 512;

Step 511: reset the USB flag, return the returned data to the host computer through the USB interface, and return to step 502;

Step 512: Check whether the Apple logo is set, if yes, execute step 513, otherwise return to step 502;

Step 513: Reset the Apple logo, return the returned data to the host computer through the Apple interface, and return to step 502;

Step 514: Check whether the query balance flag is set, if yes, execute step 515, otherwise return to step 502;

Step 515: Check the card identification, if the card identification is the first preset value, execute step 516, if it is the second preset value, execute step 517, and if it is the third preset value, return to step 502;

Step 516: Send an instruction to check the balance to the contact card connected with the device, and execute step 518;

Step 517: Send an instruction to check the balance to the contactless card connected with the device, and execute step 518;

Step 518: Determine whether the balance information returned by the card is received within the preset time, if yes, execute step 519, otherwise return to step 502;

Step 519: Output the balance information returned by the card, set the query balance flag, and return to step 502.

Example 7

Embodiment 7 of the present invention provides a working method of a multi-interface mobile security device with power management. The method specifically includes when the USB interface of the device is connected to the host computer, or when the Apple interface of the device is connected to the host computer, the device Power-on. After the device is powered on and initialized, the functional module performs the following steps:

Step 61: Turn on USB access interrupt and Apple access interrupt;

In this embodiment, when the USB interface is inserted or pulled out, the USB access interrupt is triggered, and the power supply voltage of the USB interface is checked. If the voltage is high, the USB data receiving interrupt is turned on, and if the voltage is low, the USB data receiving interrupt is turned off; When the apple interface is plugged in or pulled out, the apple access interrupt is triggered, check the power supply voltage of the apple interface, if it is high voltage, turn on the apple data receiving interrupt, if it is low voltage, turn off the apple data receiving interrupt;

When the USB interface detects the data sent by the host computer, the USB data receiving interrupt is triggered, the data sent by the host computer is received, and the USB receiving flag is set; when the Apple interface receives the data sent by the host computer, the Apple data receiving interrupt is triggered , to receive the data sent by the host computer, and set the Apple receiving flag.

Step 62: Check whether the Apple receiving flag is set, if so, reset the Apple receiving flag, set the Apple flag, and execute step 64, otherwise execute step 63;

Step 63: Check whether the USB receiving flag is set, if so, reset the USB receiving flag, set the USB flag, and execute step 64, otherwise return to step 62;

Step 64: Determine whether there is a card that has established a connection with the device. If yes, send the data sent by the host computer to the card, receive the card’s response, and use the card’s response as the returned data, and execute step 65. Otherwise, the message indicating that there is no card is used as return data, execute step 65;

Step 65: Check the USB logo and the Apple logo. If the Apple logo is set, return the returned data to the host computer through the Apple interface, reset the Apple logo, and return to step 62. If the USB flag is set, return the returned data through the USB interface For the upper computer, reset the USB flag, and return to step 62.

Example 8

Embodiment 8 of the present invention provides a working method of a multi-interface mobile security device with power management. The method specifically includes when the USB interface of the device is connected to the host computer, or when the Apple interface of the device is connected to the host computer, the device Power on, as shown in Figure 6, after the device is powered on and initialized, the functional module performs the following steps:

Step 601: Turn on the USB access interrupt, Apple access interrupt and timing card reading interrupt, start the timer, and reset the query balance flag;

In this embodiment, when the USB interface is inserted or pulled out, the USB access interrupt is triggered, and the USB access interrupt processing flow is entered; when the Apple interface is inserted or pulled out, the Apple access interrupt is triggered, and the Apple access interrupt is entered. processing flow;

The USB access interrupt processing flow specifically includes: check the power supply voltage of the USB interface, if it is low voltage, turn off the USB data receiving interrupt, and exit the USB access interrupt processing flow; Power on the contact unit, open the USB data receiving interrupt, reset the timing power on and off flag, and exit the USB access interrupt processing flow;

The apple access interrupt processing process specifically includes: check the power supply voltage of the apple interface, if it is low voltage, turn off the apple data receiving interrupt, and exit the apple access interrupt processing flow; if it is high voltage, turn on the apple data receiving interrupt, set the timing up and down Power flag, exit the Apple access interrupt processing flow.

In this embodiment, when the USB interface detects the data packet sent by the host computer, the USB data receiving interrupt is triggered and enters the USB data receiving interrupt processing flow; when the Apple interface receives the data packet sent by the host computer, the Apple data receiving interrupt is triggered and enters the Apple data receiving interrupt processing flow;

The USB data reception interrupt processing flow specifically includes: receiving the data packet sent by the host computer, if the received data packet is complete, set the USB reception flag, and exit the USB data reception interrupt processing flow, if the received data packet is incomplete, then exit USB data receiving interrupt processing flow;

The apple data receiving interrupt processing flow specifically includes: receiving the data packet sent by the host computer, if the received data packet is complete, set the apple receiving flag, and exit the apple data receiving interrupt processing flow, if the received data packet is incomplete, then exit Apple data receiving interrupt processing flow.

In this embodiment, whenever the timer reaches the preset value, the timing card reading interruption is triggered, and the timing card reading interruption processing flow is entered;

The timing card reading interrupt processing flow specifically includes:

Step i, check whether the timing power on and off flag is set, if yes, power on the non-contact unit and the contact unit, and execute step ii, otherwise directly execute step ii;

Step ii. Check whether there is a contact card connected to the device. If yes, set the card identification as the first preset value, and exit the timing card reading interrupt processing flow. Otherwise, check whether there is a contactless card connected to the device. If the query If it arrives, set the card identification as the second preset value, exit the timing card reading interrupt processing flow, if not inquire, then set the card identification as the third preset value, reset the query balance flag, and execute step iii;

Step iii. Check whether the timing power-on and power-on flag is set. If yes, power off the non-contact unit and the contact unit, and exit the timing card reading interruption processing flow, otherwise directly exit the timing card reading interruption processing flow.

Further, in the USB access interrupt processing flow, when the power supply voltage of the USB interface is a low voltage, it also includes resetting the USB access flag, and when the power supply voltage of the USB interface is a high voltage, it also includes setting the USB access flag;

Correspondingly, in step i, after checking that the timing power-on and power-on flags are set, before powering on the contactless unit and the contact unit, it may also include: checking whether the USB access flag is set, and if so, to the contactless unit and contact unit Power on the contact unit, otherwise first control the battery unit to start power supply, and then power on the non-contact unit and the contact unit;

In step iii, after checking that the timing power-on and power-on flags are set, before powering off the contactless unit and the contact unit, it may also include: checking whether the USB access flag is set, and if so, powering off the contactless unit and the contact unit Otherwise, first control the battery unit to stop power supply, and then power off the non-contact unit and contact unit.

Step 602: Check whether the apple receiving flag is set, if yes, execute step 603, otherwise execute step 604;

Step 603: reset the apple receiving flag, set the apple flag, and execute step 606;

Step 604: Check whether the USB receiving flag is set, if yes, execute step 605, otherwise execute step 614;

Step 605: reset the USB receiving flag, set the USB flag, and execute step 606;

Step 606: Check the card ID, if the card ID is the first preset value, then execute step 607, if the card ID is the second preset value, then execute step 608, if it is the third preset value, then use the message prompting no card as return data, execute step 610;

Step 607: Send the received data sent by the host computer to the contact card that establishes a connection with the device, and execute step 609;

Step 608: Send the received data sent by the host computer to the contactless card that establishes a connection with the device, and execute step 609;

Step 609: Determine whether the response from the card is received within the preset time, if yes, use the response from the card as the return data, and execute step 610, otherwise, use the information prompting that the card has timed out as the return data, and execute step 610;

Step 610: Check whether the Apple logo is set, if yes, execute step 611, otherwise execute step 612;

Step 611: Reset the Apple logo, return the returned data to the host computer through the Apple interface, and return to step 602;

Step 612: Check whether the USB flag is set, if yes, execute step 613, otherwise return to step 602;

Step 613: Reset the USB flag, return the returned data to the host computer through the USB interface, and return to step 602;

Step 614: Check whether the query balance flag is set, if yes, execute step 615, otherwise return to step 602;

Step 615: Check the card identification, if the card identification is the first preset value, execute step 616, if it is the second preset value, execute step 617, and if it is the third preset value, return to step 602;

Step 616: Send an instruction to check the balance to the contact card connected with the device, and execute step 618;

Step 617: Send an instruction to check the balance to the contactless card connected with the device, and execute step 618;

Step 618: Determine whether the balance information returned by the card is received within the preset time, if yes, execute step 619, otherwise return to step 602;

Step 619: Output the balance information returned by the card, set the query balance flag, and return to step 602.

Example 9

Embodiment 9 of the present invention provides a working method of a multi-interface mobile security device with power management. The method specifically includes when the USB interface of the device is connected to the host computer, or the Apple interface of the device is connected to the host computer, Power-on. After the device is powered on and initialized, the functional module performs the following steps:

Step 71: Turn on USB access interrupt and Apple access interrupt;

In this embodiment, when the USB interface is inserted or pulled out, the USB access interrupt is triggered, and the power supply voltage of the USB interface is checked. If it is a high voltage, the USB access flag is set, and the USB data reception interrupt is turned on. If it is a low voltage Then reset the USB access flag and close the USB data receiving interrupt; when the Apple interface is inserted or pulled out, the Apple access interrupt is triggered, check the power supply voltage of the Apple interface, if it is high voltage, set the Apple access flag, and open the Apple interface. Data receiving interrupt, if the voltage is low, reset the Apple access flag, close the Apple data receiving interrupt;

When the USB interface detects the data sent by the host computer, the USB data receiving interrupt is triggered, the data sent by the host computer is received, and the USB receiving flag is set; when the Apple interface receives the data sent by the host computer, the Apple data receiving interrupt is triggered , to receive the data sent by the host computer, and set the Apple receiving flag.

Step 72: Check whether the USB access flag is set, if yes, execute step 73, otherwise execute step 74;

Step 73, check whether the USB receiving flag is set, if so, reset the USB receiving flag, set the USB flag, and execute step 76, otherwise return to step 72;

Step 74, check whether the apple access flag is set, if yes, execute step 75, otherwise return to step 72;

Step 75, check whether the Apple receiving sign is set, if so, reset the Apple receiving sign, set the Apple sign, execute step 76, otherwise return to step 74;

Step 76. Determine whether there is a card that has established a connection with the device. If yes, send the data sent by the host computer to the card, receive the card’s response, and use the card’s response as the returned data, and execute step 77. Otherwise, the message indicating that there is no card is used as return data, execute step 77;

Step 77, check the USB sign and the Apple sign, if the USB sign is set, return the returned data to the host computer through the USB interface, reset the USB sign, and return to step 72; if the Apple sign is set, then return the returned data through the Apple The interface returns to the host computer, resets the Apple logo, and returns to step 74.

Example 10

Embodiment 10 of the present invention provides a working method of a multi-interface mobile security device with power management. The method specifically includes when the USB interface of the device is connected to the host computer, or when the Apple Power on, as shown in Figure 7, after the device is powered on and initialized, the functional module performs the following steps:

Step 701: Turn on the USB access interrupt, Apple access interrupt and timing card reading interrupt, start the timer, and reset the query balance flag;

In this embodiment, when the USB interface is inserted or pulled out, the USB access interrupt is triggered, and the USB access interrupt processing flow is entered; when the Apple interface is inserted or pulled out, the Apple access interrupt is triggered, and the Apple access interrupt is entered. processing flow;

The USB access interrupt processing flow specifically includes: check the power supply voltage of the USB interface, if it is low voltage, reset the USB access flag, close the USB data receiving interrupt, and exit the USB access interrupt processing flow; if it is high voltage, perform USB enumeration , power on the non-contact unit and the contact unit, set the USB access flag, enable the USB data receiving interrupt, reset the timing power-on and power-on flag, and exit the USB access interrupt processing flow;

The apple access interrupt processing flow specifically includes: check the power supply voltage of the apple interface, if it is low voltage, reset the apple access flag, close the apple data receiving interrupt, and exit the apple access interrupt processing flow; if it is high voltage, set the apple interface flag Enter the flag, open the Apple data receiving interrupt, set the timing power on and off flag, and exit the Apple access interrupt processing flow.

In this embodiment, when the USB interface detects the data packet sent by the host computer, the USB data receiving interrupt is triggered and enters the USB data receiving interrupt processing flow; when the Apple interface receives the data packet sent by the host computer, the Apple data receiving interrupt is triggered and enters the Apple data receiving interrupt processing flow;

The USB data reception interrupt processing flow specifically includes: receiving the data packet sent by the host computer, if the received data packet is complete, set the USB reception flag, and exit the USB data reception interrupt processing flow, if the received data packet is incomplete, then exit USB data receiving interrupt processing flow;

The apple data receiving interrupt processing flow specifically includes: receiving the data packet sent by the host computer, if the received data packet is complete, set the apple receiving flag, and exit the apple data receiving interrupt processing flow, if the received data packet is incomplete, then exit Apple data receiving interrupt processing flow.

In this embodiment, whenever the timer reaches the preset value, the timing card reading interruption is triggered, and the timing card reading interruption processing flow is entered;

The timing card reading interrupt processing flow specifically includes:

Step i, check whether the timing power on and off flag is set, if yes, power on the non-contact unit and the contact unit, and execute step ii, otherwise directly execute step ii;

Step ii. Check whether there is a contact card connected to the device. If yes, set the card identification as the first preset value, and exit the timing card reading interrupt processing flow. Otherwise, check whether there is a contactless card connected to the device. If the query If it arrives, set the card identification as the second preset value, exit the timing card reading interrupt processing flow, if not inquire, then set the card identification as the third preset value, reset the query balance flag, and execute step iii;

Step iii. Check whether the timing power-on and power-on flag is set. If yes, power off the non-contact unit and the contact unit, and exit the timing card reading interruption processing flow, otherwise directly exit the timing card reading interruption processing flow.

Further, in step i, after checking that the timing power-on and power-on flags are set, before powering on the contactless unit and the contact unit, it may also include: checking whether the USB access flag is set, and if so, setting the contactless unit and contact unit Power on the contact unit, otherwise first control the battery unit to start power supply, and then power on the non-contact unit and the contact unit;

In step iii, after checking that the timing power-on and power-on flags are set, before powering off the contactless unit and the contact unit, it may also include: checking whether the USB access flag is set, and if so, powering off the contactless unit and the contact unit Otherwise, first control the battery unit to stop power supply, and then power off the non-contact unit and contact unit.

Step 702: Check whether the USB access flag is set, if yes, execute step 703, otherwise execute step 705;

Step 703: Check whether the USB receiving flag is set, if yes, execute step 704, otherwise execute step 716;

Step 704: reset the USB receiving flag, set the USB flag, and execute step 708;

Step 705: Check whether the Apple access flag is set, if yes, execute step 706, otherwise return to step 702;

Step 706: Check whether the apple receiving flag is set, if yes, execute step 707, otherwise execute step 716;

Step 707: reset the apple receiving flag, set the apple flag, and execute step 708;

Step 708: Check the card identification, if the card identification is the first default value, execute step 709, if the card identification is the second default value, execute step 710, if it is the third default value, then use the message prompting no card as return data, execute step 712;

Step 709: Send the received data sent by the host computer to the contact card that establishes a connection with the device, and execute step 711;

Step 710: Send the received data sent by the host computer to the contactless card that establishes a connection with the device, and execute step 711;

Step 711: Determine whether the response from the card is received within the preset time, if yes, use the response from the card as the return data, and execute step 712, otherwise, use the information prompting that the card has timed out as the return data, and execute step 712;

Step 712: Check whether the USB flag is set, if yes, execute step 713, otherwise execute step 714;

Step 713: Reset the USB flag, return the returned data to the host computer through the USB interface, and return to step 702;

Step 714: Check whether the Apple logo is set, if yes, execute step 715, otherwise return to step 702;

Step 715: Reset the Apple logo, return the returned data to the host computer through the Apple interface, and return to step 705;

Step 716: Check whether the query balance flag is set, if yes, execute step 717, otherwise return to step 702;

Step 717: Check the card identification, if the card identification is the first preset value, execute step 718, if it is the second preset value, execute step 719, and if it is the third preset value, return to step 702;

Step 718: Send an instruction to check the balance to the contact card connected with the device, and execute step 720;

Step 719: Send an instruction to check the balance to the contactless card connected with the device, and execute step 720;

Step 720: Determine whether the balance information returned by the card is received within the preset time, if yes, execute step 721, otherwise return to step 702;

Step 721: Output the balance information returned by the card, set the query balance flag, and return to step 702.

Example 11

Embodiment 11 of the present invention provides a working method of a multi-interface mobile security device with power management. The method specifically includes when the USB interface of the device is connected to the host computer, or when the Apple interface of the device is connected to the host computer, the device Power-on. After the device is powered on and initialized, the functional module performs the following steps:

Step 81: Turn on USB access interrupt and Apple access interrupt;

In this embodiment, when the USB interface is inserted or pulled out, the USB access interrupt is triggered, and the power supply voltage of the USB interface is checked. If it is a high voltage, the USB access flag is set, and the USB data reception interrupt is turned on. If it is a low voltage Then reset the USB access flag and close the USB data receiving interrupt; when the Apple interface is inserted or pulled out, the Apple access interrupt is triggered, check the power supply voltage of the Apple interface, if it is high voltage, set the Apple access flag, and open the Apple interface. Data receiving interrupt, if the voltage is low, reset the Apple access flag, close the Apple data receiving interrupt;

When the USB interface detects the data sent by the host computer, the USB data receiving interrupt is triggered, the data sent by the host computer is received, and the USB receiving flag is set; when the Apple interface receives the data sent by the host computer, the Apple data receiving interrupt is triggered , to receive the data sent by the host computer, and set the Apple receiving flag.

Step 82: Check whether the Apple access flag is set, if yes, execute step 83, otherwise execute step 84;

Step 83: Check whether the Apple receiving flag is set, if so, reset the Apple receiving flag, set the Apple flag, execute step 86, otherwise return to step 82;

Step 84: check whether the USB access flag is set, if yes, execute step 85, otherwise return to step 82;

Step 85: Check whether the USB receiving flag is set, if so, reset the USB receiving flag, set the USB flag, and execute step 86, otherwise return to step 84;

Step 86: Determine whether there is a card that has established a connection with the device. If yes, send the data sent by the host computer to the card, receive the card’s response, and use the card’s response as the returned data, and execute step 87. Otherwise, the message indicating that there is no card is used as return data, execute step 87;

Step 87: Check the USB sign and the Apple sign, if the USB sign is set, return the returned data to the host computer through the USB interface, reset the USB sign, and return to step 84; if the Apple sign is set, then return the returned data through the Apple The interface returns to the host computer, resets the Apple logo, and returns to step 82.

Example 12

Embodiment 12 of the present invention provides a working method of a multi-interface mobile security device with power management. The method specifically includes when the USB interface of the device is connected to the host computer, or when the Apple interface of the device is connected to the host computer, the device Power on, as shown in Figure 7, after the device is powered on and initialized, the functional module performs the following steps:

Step 801: Turn on the USB access interrupt, Apple access interrupt and timing card reading interrupt, start the timer, and reset the query balance flag;

In this embodiment, when the USB interface is inserted or pulled out, the USB access interrupt is triggered, and the USB access interrupt processing flow is entered; when the Apple interface is inserted or pulled out, the Apple access interrupt is triggered, and the Apple access interrupt is entered. processing flow;

The USB access interrupt processing flow specifically includes: check the power supply voltage of the USB interface, if it is low voltage, reset the USB access flag, close the USB data receiving interrupt, and exit the USB access interrupt processing flow; if it is high voltage, perform USB enumeration , power on the non-contact unit and the contact unit, set the USB access flag, enable the USB data receiving interrupt, reset the timing power-on and power-on flag, and exit the USB access interrupt processing flow;

The apple access interrupt processing flow specifically includes: check the power supply voltage of the apple interface, if it is low voltage, reset the apple access flag, close the apple data receiving interrupt, and exit the apple access interrupt processing flow; if it is high voltage, set the apple interface flag Enter the flag, open the Apple data receiving interrupt, set the timing power on and off flag, and exit the Apple access interrupt processing flow.

In this embodiment, when the USB interface detects the data packet sent by the host computer, the USB data receiving interrupt is triggered and enters the USB data receiving interrupt processing flow; when the Apple interface receives the data packet sent by the host computer, the Apple data receiving interrupt is triggered and enters the Apple data receiving interrupt processing flow;

The USB data reception interrupt processing flow specifically includes: receiving the data packet sent by the host computer, if the received data packet is complete, set the USB reception flag, and exit the USB data reception interrupt processing flow, if the received data packet is incomplete, then exit USB data receiving interrupt processing flow;

The apple data receiving interrupt processing flow specifically includes: receiving the data packet sent by the host computer, if the received data packet is complete, set the apple receiving flag, and exit the apple data receiving interrupt processing flow, if the received data packet is incomplete, then exit Apple data receiving interrupt processing flow.

In this embodiment, whenever the timer reaches the preset value, the timing card reading interruption is triggered, and the timing card reading interruption processing flow is entered;

The timing card reading interrupt processing flow specifically includes:

Step i, check whether the timing power on and off flag is set, if yes, power on the non-contact unit and the contact unit, and execute step ii, otherwise directly execute step ii;

Step ii. Check whether there is a contact card connected to the device. If yes, set the card identification as the first preset value, and exit the timing card reading interrupt processing flow. Otherwise, check whether there is a contactless card connected to the device. If the query If it arrives, set the card identification as the second preset value, exit the timing card reading interrupt processing flow, if not inquire, then set the card identification as the third preset value, reset the query balance flag, and execute step iii;

Step iii. Check whether the timing power-on and power-on flag is set. If yes, power off the non-contact unit and the contact unit, and exit the timing card reading interruption processing flow, otherwise directly exit the timing card reading interruption processing flow.

Further, in step i, after checking that the timing power-on and power-on flags are set, before powering on the contactless unit and the contact unit, it may also include: checking whether the USB access flag is set, and if so, setting the contactless unit and contact unit Power on the contact unit, otherwise first control the battery unit to start power supply, and then power on the non-contact unit and the contact unit;

In step iii, after checking that the timing power-on and power-on flags are set, before powering off the contactless unit and the contact unit, it may also include: checking whether the USB access flag is set, and if so, powering off the contactless unit and the contact unit Otherwise, first control the battery unit to stop power supply, and then power off the non-contact unit and contact unit.

Step 802: Check whether the Apple access flag is set, if yes, execute step 803, otherwise execute step 805;

Step 803: Check whether the apple receiving flag is set, if yes, execute step 804, otherwise execute step 816;

Step 804: reset the apple receiving flag, set the apple flag, and execute step 808;

Step 805: Check whether the USB access flag is set, if yes, execute step 806, otherwise return to step 802;

Step 806: Check whether the USB receiving flag is set, if yes, execute step 807, otherwise execute step 816;

Step 807: reset the USB receiving flag, set the USB flag, and execute step 808;

Step 808: Check the card ID, if the card ID is the first preset value, then execute step 809, if the card ID is the second preset value, then execute step 810, if it is the third preset value, then use the message prompting no card as return data, execute step 812;

Step 809: Send the received data sent by the host computer to the contact card that establishes a connection with the device, and execute step 811;

Step 810: Send the received data sent by the host computer to the contactless card that establishes a connection with the device, and execute step 811;

Step 811: Determine whether the response from the card is received within the preset time, if yes, take the response from the card as the return data, and execute step 812, otherwise, use the information prompting that the card has timed out as the return data, and execute step 812;

Step 812: Check whether the Apple logo is set, if yes, execute step 813, otherwise execute step 814;

Step 813: Reset the Apple logo, return the returned data to the host computer through the Apple interface, and return to step 802;

Step 814: Check whether the USB flag is set, if yes, execute step 815, otherwise return to step 802;

Step 815: Reset the USB flag, return the returned data to the host computer through the Apple interface, and return to step 805;

Step 816: Check whether the query balance flag is set, if yes, execute step 817, otherwise return to step 802;

Step 817: Check the card identification, if the card identification is the first preset value, execute step 818, if it is the second preset value, execute step 819, and if it is the third preset value, return to step 802;

Step 818: Send an instruction to check the balance to the contact card connected with the device, and execute step 820;

Step 819: Send an instruction to check the balance to the contactless card connected with the device, and execute step 820;

Step 820: Determine whether the balance information returned by the card is received within the preset time, if yes, execute step 821, otherwise return to step 802;

Step 821: Output the balance information returned by the card, set the query balance flag, and return to step 802. The above-described embodiments are only preferred specific implementations of the present invention, and ordinary changes and substitutions made by those skilled in the art within the scope of the technical solution of the present invention should be included in the protection scope of the present invention.

Claims (33)

1. A multi-interface mobile security device with power management, characterized in that it comprises: a USB interface module, an apple interface module, a battery module, a power management module and a function module; The USB interface module is connected with the battery module, the power management module and the functional module, and is used to connect with the upper computer, obtain electric energy from the upper computer, use the obtained electric energy to charge the battery module, and pass The power management module supplies power to the functional module, and communicates with the functional module and the host computer; The apple interface module is connected with the power management module and the functional module, and is used to connect with the upper computer, obtain electric energy from the upper computer, and use the obtained electric energy to supply power to the functional module through the power management module, Communicate with the functional module and the host computer; The battery module is connected to the USB interface module and the power management module, and is used to supply power to the functional module through the power management module when the device is only connected to the host computer through the Apple interface module ; The power management module is connected with the USB interface module, the Apple interface module, the battery module and the function module, and is used to control the power supply by the USB interface when the USB interface module is connected to the upper computer. The module uses the electric energy obtained from the upper computer to supply power to the functional module, and when the device is only connected to the upper computer through the apple interface module, it controls the electric energy stored by the battery module, the apple interface module Using the electric energy obtained from the upper computer to jointly supply power to the functional modules; The function module is connected with the USB interface module, the Apple interface module and the power management module, and is used for communicating with the USB interface module, the Apple interface module and the card. 2. The device as claimed in claim 1, wherein the functional module is also used to send information to the host computer when the device is only connected to the host computer through the Apple interface module and the device communicates with the card. The power management module sends a control signal; The power management module is specifically used to control the USB interface module to supply power to the functional modules with the power obtained from the host computer when the USB interface module is connected to the host computer. When the apple interface module is connected with the host computer, the apple interface module is controlled to supply power to the functional module with the electric energy obtained from the host computer, and when receiving the control signal sent by the functional module, control the battery The module uses the stored electric energy to supply power to the functional module together with the apple interface module. 3. equipment as claimed in claim 1, is characterized in that, described apple interface module comprises apple interface unit and apple communication unit; Described battery module comprises charge management unit and battery unit; Described function module comprises main control unit, contactless power supply Control unit, contactless unit, contact power control unit, contact unit and human-computer interaction unit; The USB interface module is connected with the charging management unit, the power management module and the main control unit, and is used to connect with a host computer, obtain electric energy from the host computer, and supply power to the battery unit through the charging management unit. Charging, supplying power to the main control unit, the contactless power supply control unit, the contact power supply control unit and the human-computer interaction unit through the power management module, and communicating with the main control unit and the host computer communication; The apple interface unit is connected with the apple communication unit and the power management module, and is used to connect with the host computer, obtain electric energy from the host computer, and provide power for the main control unit and the man-machine through the power management module. The interactive unit supplies power, and the Apple communication unit and the upper computer perform data communication; The apple communication unit is connected with the apple interface unit and the main control unit, and is used for data communication with the apple interface unit and the main control unit; The charging management unit is connected to the USB interface module and the battery unit, and is used to obtain power from the USB interface module and transmit it to the battery unit when the battery unit is not fully charged. When the electric energy of the battery unit is fully stored, stop obtaining electric energy from the USB interface module; The battery unit is connected to the charging management unit and the power management module, and is used to provide the non-connected power supply through the power management module when the device is only connected to the upper computer through the Apple interface unit. The control unit and the contact power control unit supply power; The power management module interacts with the USB interface module, the Apple interface unit, the battery unit, the main control unit, the contactless power control unit, the contact power control unit, and the human-computer interaction The unit is connected, and is used to control the power obtained from the host computer by the USB interface module to provide the main control unit, the contactless power supply control unit, and the contactor when the USB interface module is connected to the host computer. The power supply control unit and the human-computer interaction unit supply power. When the device is only connected to the host computer through the Apple interface unit, the battery unit is controlled to use the stored electric energy to provide the contactless power supply control unit and the contact power supply. The control unit is powered, and the main control unit and the human-computer interaction unit are powered by the apple interface unit with the electric energy obtained from the upper computer; The main control unit is connected with the USB interface module, the Apple communication unit, the power management module, the contactless power control unit, the contactless unit, the contact power control unit, the contact unit and the human-computer interaction unit , for sending control signals to the contactless power supply control unit and the contact power supply control unit, and performing data communication with the contactless unit, the contact unit, the USB interface module and the Apple communication unit; The contactless power supply control unit is connected with the power management module, the main control unit and the contactless unit, and is used to receive the control signal sent by the main control unit and control the power-on of the contactless unit and power off; The contactless unit is connected to the contactless power supply control unit and the main control unit, and is used for data communication with the main control unit and the contactless card; The contact power control unit is connected with the power management module, the main control unit and the contact unit, and is used to receive the control signal sent by the main control unit, and control the power-on and power-off of the contact unit ; The contact unit is connected with the contact power control unit and the main control unit, and is used for data communication with the main control unit and the contact card; The human-computer interaction unit is connected with the power management module and the main control unit for human-computer interaction. 4. The device according to claim 3, wherein the battery unit is also used to supply power to the main control unit and the human-computer interaction unit through the power management module; The power management module is also used to control the battery unit to supply power to the main control unit and the human-computer interaction unit with stored electric energy when the device is only connected to the host computer through the Apple interface unit. 5. The device according to claim 3, wherein the power management module comprises a power supply automatic switching circuit unit, a system power management unit and a power supply isolation unit; The power supply automatic switching circuit unit is connected with the USB interface module, the battery unit, the contactless power supply control unit and the contact power supply control unit, for when the USB interface module is connected to the upper computer, Only allow the current from the USB interface module to pass through, and when the USB interface module is not connected to the host computer, allow the current from the battery unit to pass through; The system power management unit is connected to the USB interface module and the power supply isolation unit, and is used to convert the input voltage to obtain a preset voltage when enabled, output a preset voltage, and isolate the voltage through the power supply The unit supplies power to the main control unit and the human-computer interaction unit; The power supply isolation unit is connected with the apple interface unit, the system power management unit, the main control unit and the human-computer interaction unit, and is used for when the apple interface unit is connected with the upper computer The current of the apple interface unit supplies power to the main control unit and the human-computer interaction unit, and when the USB interface module is connected to the upper computer, the current from the system power management unit is used to power the main control unit. The unit and the human-computer interaction unit are powered, and the current from the system power management unit is blocked from flowing into the apple interface unit. 6. The apparatus of claim 5, wherein The USB interface module is specifically used to connect with a host computer, obtain electric energy from the host computer, charge the battery unit through the charging management unit, and supply power to the contactless power supply control unit and the contactless power supply control unit through the power supply automatic switching circuit unit. The contact power supply control unit supplies power, sends an electrical signal to the system power management unit, enables the system power management unit, and supplies power to the main control unit and the power supply isolation unit through the system power management unit and the power supply isolation unit. The human-computer interaction unit supplies power, and is also used for data communication with the main control unit and the host computer; The apple interface unit is specifically used to connect with the host computer, obtain electric energy from the host computer, supply power to the main control unit and the human-computer interaction unit through the power supply isolation unit, and is also used to communicate with the apple communication unit Data communication with host computer; The battery unit is specifically used to supply power to the contactless power supply control unit and the contact power supply control unit through the power supply automatic switching circuit unit when the device is only connected to the host computer through the Apple interface unit. 7. The device according to claim 4, wherein the power management module comprises a power supply automatic switching circuit unit, a voltage isolation unit, a system power management unit and a power supply isolation unit; The power supply automatic switching circuit unit is connected with the USB interface module, the battery unit and the system power management unit, and is used to only allow power from the USB interface module when the USB interface module is connected to the upper computer The current from the battery unit is allowed to pass through when the USB interface module is not connected to the host computer; The voltage isolation unit is connected to the USB interface module, the Apple interface unit and the system power management unit, and is used to send the electrical signal sent by the Apple interface unit to the system power management unit, enabling The system power management unit, and blocking the voltage from the USB interface module from entering the apple interface unit; The system power management unit is connected to the USB interface module, the power supply automatic switching circuit unit, the voltage isolation unit, the power supply isolation unit, the contactless power supply control unit and the contact power supply control unit, When enabled, convert the input voltage to obtain a preset voltage, output the preset voltage, directly supply power to the contactless power supply control unit and the contact power supply control unit, and supply power to all power supply control units through the power supply isolation unit The main control unit and the human-computer interaction unit are powered; The power supply isolation unit is connected with the apple interface unit, the system power management unit, the main control unit and the human-computer interaction unit, and is used for when the apple interface unit is connected with the upper computer The current of the apple interface unit supplies power for the main control unit and the human-computer interaction unit, and when the USB interface module is connected to the host computer, the current from the system power management unit is used to power the main control unit. The unit and the human-computer interaction unit are powered, and the current from the system power management unit is blocked from flowing into the apple interface unit. 8. The apparatus of claim 7, wherein The USB interface module is specifically used to connect with the host computer, obtain electric energy from the host computer, charge the battery unit through the charging management unit, send an electrical signal to the system power management unit, and enable the system power supply The management unit supplies power to the contactless power supply control unit and the contact power supply control unit through the power supply automatic switching circuit unit and the system power management unit, through the power supply automatic switching circuit unit, the system power management unit The unit and the power supply isolation unit supply power to the main control unit and the human-computer interaction unit, and are also used for data communication with the main control unit and the host computer; The apple interface unit is specifically used to connect with the host computer, obtain electric energy from the host computer, send an electrical signal to the system power management unit through the voltage isolation unit, enable the system power management unit, and pass the power supply The isolation unit supplies power to the main control unit and the human-computer interaction unit, and is also used for data communication with the apple communication unit and the upper computer; The battery unit is specifically used to provide power to the contactless power supply control unit and the power supply control unit through the power supply automatic switching circuit unit and the system power management unit when the device is only connected to the host computer through the Apple interface unit. The contact power supply control unit supplies power to the main control unit and the human-computer interaction unit through the power supply automatic switching circuit unit, the system power management unit and the power supply isolation unit. 9. The device according to claim 2, wherein the apple interface module includes an apple interface unit and an apple communication unit; the battery module includes a charge management unit and a battery unit; the functional module includes a main control unit, Contactless power control unit, contactless unit, contact power control unit, contact unit and human-computer interaction unit; The USB interface module is connected with the charging management unit, the power management module and the main control unit, and is used for connecting with a host computer, obtaining electric energy from the host computer, and charging the battery unit through the charging management unit Charging, supplying power to the main control unit, the contactless power supply control unit, the contact power supply control unit and the human-computer interaction unit through the power management module, and also used to communicate with the main control unit and the upper computer data communication; The apple interface unit is connected with the apple communication unit and the power management module, and is used to connect with the upper computer, obtain electric energy from the upper computer, and send electricity to the main control unit and the contactless through the power management module. The power supply control unit, the contact power control unit and the human-computer interaction unit supply power, and are also used for data communication with the apple communication unit and the host computer; The apple communication unit is connected with the apple interface unit and the main control unit, and is used for data communication with the apple interface unit and the main control unit; The charging management unit is connected to the USB interface module and the battery unit, and is used to obtain power from the USB interface module and transmit it to the battery unit when the battery unit is not fully charged. When the electric energy of the battery unit is fully stored, stop obtaining electric energy from the USB interface module; The battery unit is connected to the charging management unit and the power management module, and is used to connect the device to the host computer only through the Apple interface unit, and the device consumes a large amount of power, The power management module supplies power to the main control unit, the contactless power control unit, the contact power control unit and the human-computer interaction unit; The power management module interacts with the USB interface module, the Apple interface unit, the battery unit, the main control unit, the contactless power control unit, the contact power control unit, and the human-computer interaction The unit is connected, and is used to control the power obtained from the host computer by the USB interface module to provide the main control unit, the contactless power supply control unit, and the contactor when the USB interface module is connected to the host computer. The power supply control unit and the human-computer interaction unit supply power. When the device is only connected to the host computer through the apple interface unit, the apple interface unit is controlled to use the electric energy obtained from the host computer to power the main control unit. , the contactless power supply control unit, the contact power supply control unit and the human-computer interaction unit supply power, and when receiving the control signal sent by the main control unit, control the battery unit to use the stored electric energy with the The apple interface unit supplies power for the main control unit, the contactless power control unit, the contact power control unit and the human-computer interaction unit; The main control unit is connected with the USB interface module, the Apple communication unit, the power management module, the contactless power control unit, the contactless unit, the contact power control unit, the contact unit and the human-computer interaction unit , for sending control signals to the contactless power supply control unit and the contact power supply control unit, and performing data communication with the contactless unit, the contact unit, the USB interface module and the Apple communication unit, and When the device is only connected to the host computer through the Apple interface unit and the power consumption is high, send a control signal to the power management module; The contactless power supply control unit is connected with the power management module, the main control unit and the contactless unit, and is used to receive the control signal sent by the main control unit and control the power-on of the contactless unit and power off; The contactless unit is connected to the contactless power supply control unit and the main control unit, and is used for data communication with the main control unit and the contactless card; The contact power control unit is connected with the power management module, the main control unit and the contact unit, and is used to receive the control signal sent by the main control unit, and control the power-on and power-off of the contact unit ; The contact unit is connected with the contact power control unit and the main control unit, and is used for data communication with the main control unit and the contact card; The human-computer interaction unit is connected with the power management module and the main control unit for human-computer interaction. 10. The device according to claim 9, wherein the power management module comprises a power supply automatic switching circuit unit, a voltage isolation unit, a system power management unit, a power supply isolation unit and a battery power supply control unit; The power supply automatic switching circuit unit is connected to the USB interface module, the system power management unit and the battery power supply control unit, and is used to allow only The current of the interface module passes through, and when the USB interface module is not connected with the host computer, the current from the battery-powered control unit is allowed to pass; The voltage isolation unit is connected to the USB interface module, the Apple interface unit and the system power management unit, and is used to send the electrical signal sent by the Apple interface unit to the system power management unit, enabling The system power management unit, and blocking the voltage from the USB interface module from entering the apple interface unit; The system power management unit is connected to the USB interface module, the power supply automatic switching circuit unit, the voltage isolation unit and the power supply isolation unit, and is used to convert the input voltage to obtain A preset voltage, outputting a preset voltage, and supplying power to the main control unit, the contactless power supply control unit, the contact power supply control unit and the human-computer interaction unit through the power supply isolation unit; The power supply isolation unit is connected with the apple interface unit, the system power management unit, the main control unit, the contactless power control unit, the contact power control unit and the human-computer interaction unit, When the apple interface unit is connected with the upper computer, the current from the apple interface unit is used to provide the power for the main control unit, the contactless power supply control unit, the contact power supply control unit and the human-computer interaction unit power supply, and when the USB interface module is connected with the upper computer, use the current from the system power management unit to provide the main control unit, the contactless power control unit, the contact power control unit and the human The computer interaction unit supplies power, and blocks the current from the system power management unit from flowing into the apple interface unit; The battery power supply control unit is connected with the battery unit, the power supply automatic switching circuit unit and the main control unit, and is used to allow the power supply from the battery unit after receiving the control signal sent by the main control unit current passes through. 11. The apparatus of claim 10, wherein The USB interface module is specifically used to connect with the host computer, obtain electric energy from the host computer, charge the battery unit through the charging management unit, send an electrical signal to the system power management unit, and enable the system power management unit, through the power supply automatic switching circuit unit, the system power management unit and the power supply isolation unit to the main control unit, the contactless power supply control unit, the contact power supply control unit and the human-computer interaction The unit supplies power, and is also used for data communication with the main control unit and the host computer; The apple interface unit is specifically used to connect with the host computer, obtain electric energy from the host computer, send an electrical signal to the system power management unit through the voltage isolation unit, enable the system power management unit, and pass the power supply The isolation unit supplies power to the main control unit, the contactless power supply control unit, the contact power supply control unit and the human-computer interaction unit, and is also used for data communication with the apple communication unit and the upper computer; The battery unit is specifically used to supply power through the battery power control unit, the power supply automatic switching circuit unit, The system power management unit and the power supply isolation unit supply power to the main control unit, the contactless power control unit, the contact power control unit and the human-computer interaction unit. 12. The device according to claim 5, 7 or 10, wherein the preset voltage is 3.3V. 13. The device according to claim 3 or 9, wherein the human-computer interaction unit comprises a buzzer and/or a display screen and/or an LED and/or a keyboard. 14. A working method of the device according to claim 1, characterized in that it comprises: after the device is powered on and initialized, the functional modules of the device perform the following steps: Step A1, open USB access interrupt and Apple access interrupt; When the USB interface is inserted or pulled out, the USB access interruption is triggered, and the power supply voltage of the USB interface is checked. If it is a high voltage, the USB data reception interruption is opened, and if it is a low voltage, the USB data reception interruption is closed; When the apple interface is inserted or pulled out, the apple access interruption is triggered, and the power supply voltage of the apple interface is checked. If it is high voltage, the apple data reception interruption is opened, and if it is low voltage, the apple data reception interruption is closed; When the USB interface detects the data sent by the host computer, the USB data reception interrupt is triggered, receives the data sent by the host computer, and sets the USB receiving flag; when the apple interface receives the data sent by the host computer, the apple data The receiving interrupt is triggered, the data sent by the upper computer is received, and the Apple receiving flag is set; Step A2, check whether the USB receiving flag is set, if so, reset the USB receiving flag, set the USB flag, and execute step A4, otherwise execute step A3; Step A3, check whether the apple receiving flag is set, if so, reset the apple receiving flag, set the apple flag, execute step A4, otherwise return to step A2; Step A4. Determine whether there is a card connected to the device. If yes, send the data sent by the host computer to the card, receive the card’s response, use the card’s response as the returned data, and execute step A5. Otherwise, the message indicating that there is no card is used as Return the data and execute step A5; Step A5, check the USB sign and the Apple sign, if the USB sign is set, return the return data to the host computer through the USB interface, reset the USB sign, and return to step A2; if the Apple sign is set bit, then return the returned data to the host computer through the Apple interface, reset the Apple logo, and return to step A2. 15. The method according to claim 14, characterized in that, in the step A1, it also includes opening a timing card reading interrupt and opening a timer; Whenever the timer reaches a preset value, the timing card reading interrupt is triggered to detect whether there is a contact card connected to the device, if yes, the card identification is set as the first preset value, otherwise, it is inquired whether there is a contact card with The non-contact card for which the device establishes a connection, if found, the card identification is set as the second preset value, and if it is not found, the card identification is set as the third preset value; The step A4 specifically includes: checking the card identification, if the card identification is the first preset value, sending the data sent by the host computer to the contact card that establishes a connection with the device, and receiving the response of the contact card, Use the response of the contact card as the return data, and execute step A5. If the card presence flag is the second preset value, send the data sent by the host computer to the contactless card that establishes a connection with the device, and receive the response of the contactless card , using the response of the non-contact card as the return data, execute step A5, and if the card presence flag is the third preset value, use the information indicating that there is no card as the return data, and execute step A5. 16. The method of claim 15, wherein, After the USB access interrupt is triggered: when the power supply voltage of the USB interface is a high voltage, it also includes powering on the contactless unit and the contact unit; when the power supply voltage of the USB interface is a low voltage, it also includes powering on the contactless unit Power off the contact unit; After the apple access interruption is triggered: when the power supply voltage of the apple interface is a high voltage, it also includes a reset timing power-on and power-on flag; when the power supply voltage of the apple interface is a low voltage, it also includes a reset timing power-on and power-on flag; After the timing card reading interrupt is triggered: before detecting whether there is a contact card connected to the device, it also includes checking the timing power-on and power-on flags, and when the timing power-on and power-off flags are set, the contact unit and the non-contact Powering on the unit; when no contactless card connected with the device is found, checking the timing power-on and power-on flag, and powering off the contact unit and the non-contact unit when the timing power-on and power-on flag is set. 17. The method according to claim 16, wherein after the USB access interrupt is triggered: when the power supply voltage of the USB interface is a high voltage, it also includes setting a USB access flag; when the power supply of the USB interface When the voltage is a low voltage, it also includes resetting the USB access flag; After the timing card reading interrupt is triggered: when the timing power-on and power-on flag is set, before powering on the contact unit and the non-contact unit, it also includes checking the USB access flag, and when the USB access When the flag is not set, the control battery unit starts to supply power; when the timing power-on and power-off flag is set, after the contact unit and the non-contact unit are powered off, it also includes checking the USB access flag, and when the When the USB access flag is not set, the battery unit is controlled to stop supplying power. 18. The method of claim 15, wherein, In the step A1, it also includes resetting the query balance flag; In the step A3, when the Apple receiving flag is not set, it also includes: checking the query balance flag, and when the query balance flag is not set, judging whether there is a card connected to the device, yes Then send a query balance command to the card, receive and output the balance information returned by the card, set the query balance flag, otherwise return to step A2; After the timing card reading interrupt is triggered, when no contactless card connected with the device is found, the method further includes resetting the query balance flag. 19. A working method of the device according to claim 1, characterized in that, after the device is powered on and initialized, the functional module performs the following steps: Step B1, open USB access interrupt and Apple access interrupt; When the USB interface is inserted or pulled out, the USB access interruption is triggered, and the power supply voltage of the USB interface is checked. If it is a high voltage, the USB data reception interruption is opened, and if it is a low voltage, the USB data reception interruption is closed; When the apple interface is inserted or pulled out, the apple access interruption is triggered, and the power supply voltage of the apple interface is checked. If it is high voltage, the apple data reception interruption is opened, and if it is low voltage, the apple data reception interruption is closed; When the USB interface detects the data sent by the host computer, the USB data reception interrupt is triggered, receives the data sent by the host computer, and sets the USB receiving flag; when the apple interface receives the data sent by the host computer, the apple data The receiving interrupt is triggered, the data sent by the upper computer is received, and the Apple receiving flag is set; Step B2, check whether the apple receiving flag is set, if so, reset the apple receiving flag, set the apple flag, execute step B4, otherwise execute step B3; Step B3, check whether the USB reception flag is set, if yes, reset the USB reception flag, set the USB flag, and execute step B4, otherwise return to step B2; Step B4, determine whether there is a card connected to the device, if yes, send the data sent by the host computer to the card, receive the card’s response, use the card’s response as the returned data, and execute step B5, otherwise, the message indicating that there is no card is used as Return data, execute step B5; Step B5, check the USB sign and the Apple sign, if the USB sign is set, return data to the host computer through the USB interface, reset the USB sign, and return to step B2; if the Apple sign is set bit, then return the returned data to the host computer through the Apple interface, reset the Apple logo, and return to step B2. 20. The method according to claim 19, characterized in that, in the step B1, it also includes opening a timing card reading interrupt and starting a timer; Whenever the timer reaches a preset value, the timing card reading interrupt is triggered to detect whether there is a contact card connected to the device, if yes, the card identification is set as the first preset value, otherwise, it is inquired whether there is a contact card with The non-contact card for which the device establishes a connection, if found, the card identification is set as the second preset value, and if it is not found, the card identification is set as the third preset value; The step B4 specifically includes: checking the card identification, if the card identification is the first preset value, sending the data sent by the host computer to the contact card connected with the device, receiving the response of the contact card, The response of the contact card is used as the return data, and step B5 is executed. If the card has the second preset value, the data sent by the host computer is sent to the contactless card connected with the device, and the response of the contactless card is received , taking the response of the non-contact card as the return data, and performing step B5, and if the card presence flag is the third preset value, taking the information indicating that there is no card as the return data, and performing step B5. 21. The method of claim 20, wherein, After the USB access interrupt is triggered: when the power supply voltage of the USB interface is a high voltage, it also includes powering on the contactless unit and the contact unit; when the power supply voltage of the USB interface is a low voltage, it also includes powering on the contactless unit Power off the contact unit; After the apple access interruption is triggered: when the power supply voltage of the apple interface is a high voltage, it also includes a set timing power-on and power-on flag; when the power supply voltage of the apple interface is a low voltage, it also includes a reset timing power-on and power-on flag; After the timing card reading interrupt is triggered: before detecting whether there is a contact card connected to the device, it also includes checking the timing power-on and power-on flags, and when the timing power-on and power-off flags are set, the contact unit and the non-contact Powering on the unit; when no contactless card connected with the device is found, checking the timing power-on and power-on flag, and powering off the contact unit and the non-contact unit when the timing power-on and power-on flag is set. 22. The method according to claim 21, wherein after the USB access interrupt is triggered: when the power supply voltage of the USB interface is a high voltage, it also includes setting a USB access flag; when the power supply of the USB interface When the voltage is a low voltage, it also includes resetting the USB access flag; After the timing card reading interrupt is triggered: when the timing power-on and power-on flag is set, before powering on the contact unit and the non-contact unit, it also includes checking the USB access flag, and when the USB access When the flag is not set, the control battery unit starts to supply power; when the timing power-on and power-off flag is set, after the contact unit and the non-contact unit are powered off, it also includes checking the USB access flag, and when the When the USB access flag is not set, the battery unit is controlled to stop supplying power. 23. The method of claim 20, wherein, In the step B1, it also includes resetting the query balance flag; In the step B3, when the USB receiving flag is not set, it also includes: checking the query balance flag, and when the query balance flag is not set, judging whether there is a card connected to the device, yes Then send a query balance command to the card, receive and output the balance information returned by the card, set the query balance flag, otherwise return to step B2; After the timing card reading interrupt is triggered, when no contactless card connected with the device is found, the method further includes resetting the query balance flag. 24. A working method of the device according to claim 1, characterized in that, after the device is powered on and initialized, the functional module performs the following steps: Step C1, open USB access interrupt and Apple access interrupt; When the USB interface is plugged in or pulled out, the USB access interrupt is triggered, and the power supply voltage of the USB interface is checked. If it is a high voltage, the USB access flag is set, and the USB data receiving interrupt is turned on. If it is a low voltage, the interrupt is reset. Said USB access sign, closes said USB data receiving interruption; When the apple interface is plugged in or pulled out, said apple access interruption is triggered, checks the power supply voltage of the apple interface, if it is high voltage, then sets the apple access sign , open the apple data receiving interrupt, if it is low voltage, reset the apple access sign, and close the apple data receiving interrupt; When the USB interface detects the data sent by the host computer, the USB data reception interrupt is triggered, receives the data sent by the host computer, and sets the USB receiving flag; when the apple interface receives the data sent by the host computer, the apple data The receiving interrupt is triggered, the data sent by the upper computer is received, and the Apple receiving flag is set; Step C2, check whether the USB access flag is set, if yes, execute step C3, otherwise execute step C4; Step C3, check whether the USB receiving flag is set, if yes, reset the USB receiving flag, set the USB flag, execute step C6, otherwise return to step C2; Step C4, check whether the Apple access flag is set, if yes, execute step C5, otherwise return to step C2; Step C5, check whether the apple receiving flag is set, if so, reset the apple receiving flag, set the apple flag, execute step C6, otherwise return to step C4; Step C6, determine whether there is a card connected to the device, if yes, send the data sent by the host computer to the card, receive the card’s response, use the card’s response as the returned data, and execute step C7, otherwise, the message indicating that there is no card is used as return data, execute step C7; Step C7, check the USB sign and the Apple sign, if the USB sign is set, return the return data to the host computer through the USB interface, reset the USB sign, and return to step C2; if the Apple sign is set bit, then return the returned data to the host computer through the apple interface, reset the apple sign, and return to step C4. 25. The method according to claim 24, characterized in that, in the step C1, further comprising enabling a timing card reading interrupt and enabling a timer; Whenever the timer reaches a preset value, the timing card reading interrupt is triggered to detect whether there is a contact card connected to the device, if yes, the card identification is set as the first preset value, otherwise, it is inquired whether there is a contact card with The non-contact card for which the device establishes a connection, if found, the card identification is set as the second preset value, and if it is not found, the card identification is set as the third preset value; The step C6 specifically includes: checking the card identification, if the card identification is the first preset value, sending the data sent by the host computer to the contact card connected with the device, receiving the response of the contact card, The response of the contact card is used as the return data, and step C7 is executed. If the card is identified as the second preset value, the data sent by the host computer is sent to the contactless card connected with the device, and the response of the contactless card is received. , using the response of the non-contact card as the return data, execute step C7, and if the card presence flag is the third preset value, use the information indicating that there is no card as the return data, and execute step C7. 26. The method of claim 25, wherein, After the USB access interrupt is triggered: when the power supply voltage of the USB interface is a high voltage, it also includes powering on the contactless unit and the contact unit; when the power supply voltage of the USB interface is a low voltage, it also includes powering on the contactless unit Power off the contact unit; After the apple access interruption is triggered: when the power supply voltage of the apple interface is a high voltage, it also includes a set timing power-on and power-on flag; when the power supply voltage of the apple interface is a low voltage, it also includes a reset timing power-on and power-on flag; After the timing card reading interrupt is triggered: before detecting whether there is a contact card connected to the device, it also includes checking the timing power-on and power-on flags, and when the timing power-on and power-off flags are set, the contact unit and the non-contact Powering on the unit; when no contactless card connected with the device is found, checking the timing power-on and power-on flag, and powering off the contact unit and the non-contact unit when the timing power-on and power-on flag is set. 27. The method according to claim 26, wherein after the timing card reading interrupt is triggered: when the timing power-on and power-on flag is set, before powering on the contact unit and the non-contact unit, further comprising: Check the USB access flag, and when the USB access flag is not set, the control battery unit starts to supply power; when the timing power-on and power-on flag is set, after the contact unit and the non-contact unit are powered off , further comprising checking the USB access flag, and when the USB access flag is not set, controlling the battery unit to stop supplying power. 28. The method of claim 25, wherein, In the step C1, it also includes resetting the query balance flag; In the step C3, when the USB receiving flag is not set, it also includes: checking the query balance flag, and when the query balance flag is not set, judging whether there is a card connected to the device, yes Then send a query balance command to the card, receive and output the balance information returned by the card, set the query balance flag, otherwise return to step C2; In the step C5, when the Apple logo is not set, it also includes: checking the query balance flag, and when the query balance flag is not set, judging whether there is a card connected to the device, if so Send a query balance instruction to the card, receive and output the balance information returned by the card, set the query balance flag, otherwise return to step C4; After the timing card reading interrupt is triggered, when no contactless card connected with the device is found, the method further includes resetting the query balance flag. 29. A working method of the device according to claim 1, characterized in that, after the device is powered on and initialized, the functional module performs the following steps: Step D1, open USB access interrupt and Apple access interrupt; When the USB interface is plugged in or pulled out, the USB access interrupt is triggered, and the power supply voltage of the USB interface is checked. If it is a high voltage, the USB access flag is set, and the USB data receiving interrupt is turned on. If it is a low voltage, the interrupt is reset. Said USB access sign, closes said USB data receiving interruption; When the apple interface is plugged in or pulled out, said apple access interruption is triggered, checks the power supply voltage of the apple interface, if it is high voltage, then sets the apple access sign , open the apple data receiving interrupt, if it is low voltage, reset the apple access sign, and close the apple data receiving interrupt; When the USB interface detects the data sent by the host computer, the USB data reception interrupt is triggered, receives the data sent by the host computer, and sets the USB receiving flag; when the apple interface receives the data sent by the host computer, the apple data The receiving interrupt is triggered, the data sent by the upper computer is received, and the Apple receiving flag is set; Step D2, check whether the apple access flag is set, if yes, execute step D3, otherwise execute step D4; Step D3, check whether the apple receiving flag is set, if so, reset the apple receiving flag, set the apple flag, execute step D6, otherwise return to step D2; Step D4, check whether the USB access flag is set, if yes, execute step D5, otherwise return to step D2; Step D5, check whether the USB receiving flag is set, if yes, reset the USB receiving flag, set the USB flag, execute step D6, otherwise return to step D4; Step D6, determine whether there is a card connected to the device, if yes, send the data sent by the host computer to the card, receive the card’s response, use the card’s response as the returned data, and execute step D7, otherwise, the message indicating that there is no card is used as Return data, execute step D7; Step D7, check the USB sign and the Apple sign, if the USB sign is set, return the return data to the host computer through the USB interface, reset the USB sign, and return to step D4; if the Apple sign is set bit, then return the returned data to the host computer through the Apple interface, reset the Apple logo, and return to step D2. 30. The method according to claim 29, characterized in that, in the step D1, further comprising enabling a timing card reading interrupt and enabling a timer; Whenever the timer reaches a preset value, the timing card reading interrupt is triggered to detect whether there is a contact card connected to the device, if yes, the card identification is set as the first preset value, otherwise, it is inquired whether there is a contact card with The non-contact card for which the device establishes a connection, if found, the card identification is set as the second preset value, and if it is not found, the card identification is set as the third preset value; The step D6 specifically includes: checking the card identification, if the card identification is the first preset value, sending the data sent by the host computer to the contact card that establishes a connection with the device, and receiving the response of the contact card, The response of the contact card is used as the return data, and step D7 is executed. If the card identification is the second preset value, the data sent by the host computer is sent to the non-contact card connected with the device, and the response of the non-contact card is received. , taking the response of the non-contact card as the return data, and performing step D7, and if the card presence flag is the third preset value, taking the information indicating that there is no card as the return data, and performing step D7. 31. The method of claim 30, wherein, After the USB access interrupt is triggered: when the power supply voltage of the USB interface is a high voltage, it also includes powering on the contactless unit and the contact unit; when the power supply voltage of the USB interface is a low voltage, it also includes powering on the contactless unit Power off the contact unit; After the apple access interruption is triggered: when the power supply voltage of the apple interface is a high voltage, it also includes a set timing power-on and power-on flag; when the power supply voltage of the apple interface is a low voltage, it also includes a reset timing power-on and power-on flag; After the timing card reading interrupt is triggered: before detecting whether there is a contact card connected to the device, it also includes checking the timing power-on and power-on flags, and when the timing power-on and power-off flags are set, the contact unit and the non-contact Powering on the unit; when no contactless card connected with the device is found, checking the timing power-on and power-on flag, and powering off the contact unit and the non-contact unit when the timing power-on and power-on flag is set. 32. The method according to claim 31, wherein after the timing card reading interrupt is triggered: when the timing power-on and power-on flag is set, before powering on the contact unit and the non-contact unit, further comprising: Check the USB access flag, and when the USB access flag is not set, the control battery unit starts to supply power; when the timing power-on and power-on flag is set, after the contact unit and the non-contact unit are powered off , further comprising checking the USB access flag, and when the USB access flag is not set, controlling the battery unit to stop supplying power. 33. The method of claim 30, wherein, In the step D1, it also includes resetting the query balance flag; In the step D3, when the Apple receiving flag is not set, it also includes: checking the query balance flag, and when the query balance flag is not set, judging whether there is a card connected to the device, yes Then send a query balance command to the card, receive and output the balance information returned by the card, set the query balance flag, otherwise return to step D2; In the step D5, when the USB receiving flag is not set, it also includes: checking the query balance flag, and when the query balance flag is not set, judging whether there is a card connected to the device, yes Then send a query balance instruction to the card, receive and output the balance information returned by the card, set the query balance flag, otherwise return to step D4; After the timing card reading interrupt is triggered, when no contactless card connected with the device is found, the method further includes resetting the query balance flag.