CN114492682A - SIM card on-line card issuing circuit, method and device - Google Patents
SIM card on-line card issuing circuit, method and device Download PDFInfo
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- CN114492682A CN114492682A CN202210029406.7A CN202210029406A CN114492682A CN 114492682 A CN114492682 A CN 114492682A CN 202210029406 A CN202210029406 A CN 202210029406A CN 114492682 A CN114492682 A CN 114492682A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K13/00—Conveying record carriers from one station to another, e.g. from stack to punching mechanism
- G06K13/02—Conveying record carriers from one station to another, e.g. from stack to punching mechanism the record carrier having longitudinal dimension comparable with transverse dimension, e.g. punched card
- G06K13/08—Feeding or discharging cards
- G06K13/10—Feeding or discharging cards from magazine to conveying arrangement
- G06K13/103—Feeding or discharging cards from magazine to conveying arrangement using mechanical means
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
- G06K17/0003—Automatic card files incorporating selecting, conveying and possibly reading and/or writing operations
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Abstract
The invention belongs to the technical field of integrated circuits, and discloses a circuit, a method and a device for sending a card on line by a SIM card. The SIM card on-line card issuing circuit comprises a main control module, a card writing circuit and a switching module which are sequentially connected, and the switching module is also connected with the main control module and an interface; the main control module is used for outputting a switching signal to the switching module when receiving the card writing control instruction, so that the card writing circuit is connected with the interface through the switching module; the main control module is also used for outputting a trigger signal to the card writing circuit when receiving the card writing control instruction; the card writing circuit is used for writing the SIM card according to the pre-filled data through the interface according to the trigger signal; and after the card writing of the card writing circuit is finished, the main control module outputs a second switching signal to the switching module, so that the network injection module is connected with the interface through the switching module, and network injection is executed. By integrating card writing and network injection control in the same circuit, the technical problem that the card issuing mode in the prior art cannot issue cards online is solved.
Description
Technical Field
The invention relates to the technical field of integrated circuits, in particular to a circuit, a method and a device for sending a card on line by a SIM card.
Background
The common card writing technology comprises the following steps: inserting the SIM card into a card writing special interface, and executing a card writing command on the apk to complete card writing; the SIM card is pulled out and inserted into a special network injection interface, and whether the card writing is successful is detected; the above contents of pulling out the SIM card and delivering it to the customer to complete the card issuing task are only used to assist understanding of the technical solution of the present invention, and do not represent an admission that the above contents are prior art.
Disclosure of Invention
The invention mainly aims to provide a circuit, a method and a device for sending a card by a SIM card on line, and aims to solve the technical problem that the card sending mode in the prior art cannot send the card on line.
In order to achieve the above object, the present invention provides a SIM card on-line card issuing circuit, which includes a main control module, a card writing circuit connected to the main control module, a switching module network injection module, and an interface, where the interface is connected to the card writing circuit, the switching module, and the network injection module;
the main control module is used for outputting a first switching signal to the switching module when receiving a card writing control instruction, so that the card writing circuit is connected with the interface through the switching module;
the main control module is further used for outputting a trigger signal to the card writing circuit when receiving the card writing control instruction;
the card writing circuit is used for writing the SIM card according to the trigger signal and the pre-filling data through the interface;
the main control module is further configured to output a second switching signal to the switching module after the card writing of the card writing circuit is completed, so that the network injection module is connected to the interface through the switching module, and network injection is performed.
Optionally, the main control module is further configured to detect an SIM card insertion signal through the interface, and detect a card writing control instruction when the SIM card insertion signal is detected.
Optionally, the interface is configured to output a SIM card insertion signal to the main control module when a SIM card is inserted.
Optionally, the switching module includes a first switch, a control end of the first switch is connected to the main control module, a stationary contact of the first switch is connected to the interface, a first movable contact of the first switch is connected to the network injection module, and a second movable contact of the first switch is connected to the card writing circuit;
and the first switch is used for connecting the card writing circuit and the interface when receiving the switching signal.
Optionally, the card writing circuit includes a card writing chip, a diode, and a chopper chip; the output end of the card writing chip is connected with the second movable contact of the first switch, the power supply end of the card writing chip is connected with the cathode of the diode, the data end of the card writing chip is connected with the main control module, the anode of the diode is connected with the output end of the chopping chip, the data port and the confirmation port of the card writing chip are connected with the card writing circuit, and the enable end of the chopping chip is connected with the main control module.
Optionally, the main control module is further configured to output an enable signal to the chopper chip when receiving the card writing control instruction;
the chopper chip is used for outputting power supply voltage to the card writing chip according to the enabling signal so as to start the card writing chip;
and the card writing chip is used for writing the card according to the pre-filled data when the card is started.
Optionally, the card writing circuit further includes an adapter logic chip, an interrupt signal input end and a communication end of the adapter logic chip are connected to the main control module, a detection end of the adapter logic chip is connected to a connection state output end of the card writing chip, and a communication end of the adapter logic chip is connected to the main control module.
Optionally, the network injection module is further configured to read SIM card information through the interface when the main control module does not detect the card writing control instruction, so as to complete network injection.
In addition, in order to achieve the above object, the present invention further provides a method for sending a card by a SIM card on-line, wherein the circuit for sending a card by a SIM card on-line comprises a main control module, a card writing circuit, a network injection module and a switching module which are connected in sequence, and the switching module is further connected with the main control module and an interface;
the SIM card online card issuing method comprises the following steps:
when receiving a card writing control instruction, the main control module outputs a switching signal to the switching module, so that the card writing circuit is connected with the interface through the switching module;
the main control module outputs a trigger signal to the card writing circuit when receiving the card writing control instruction;
the card writing circuit writes the SIM card according to the trigger signal through the interface according to the pre-filled data;
and the network injection module reads the SIM card information through the interface after the card writing of the card writing circuit is finished, so that network injection is completed.
In addition, in order to achieve the above object, the present invention further provides a SIM card on-line card issuing device, where the SIM card on-line card issuing device includes the SIM card on-line card issuing circuit as claimed in the above.
According to the invention, an SIM card on-line card sending circuit is arranged, and the SIM card on-line card sending circuit comprises a main control module, a card writing circuit connected with the main control module, a switching module network injection module and an interface; the main control module is used for outputting a first switching signal to the switching module when receiving the card writing control instruction, so that the card writing circuit is connected with the interface through the switching module; the main control module is also used for outputting a trigger signal to the card writing circuit when receiving the card writing control instruction; the card writing circuit is used for writing the SIM card according to the pre-filled data through the interface according to the trigger signal; and the network injection module is also used for reading the SIM card information through the interface after the card writing of the card writing circuit is finished, thereby completing network injection. And realizing on-line card issuing.
Drawings
Reference will now be made in brief to the drawings that are needed in describing embodiments or prior art.
FIG. 1 is a functional block diagram of an embodiment of an on-line card issuing circuit of a SIM card according to the present invention;
FIG. 2 is a schematic circuit diagram of an embodiment of an on-line card issuing circuit of a SIM card according to the present invention;
FIG. 3 is a flowchart illustrating a first embodiment of a circuit for sending a SIM card on-line according to the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 10 | |
201 | |
| 20 | |
202 | |
| 30 | |
203 | |
| 40 | Interface | SW1 | |
| 50 | Annotate net module | D1 | Diode with a high-voltage source |
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should be considered to be absent and not within the protection scope of the present invention.
Fig. 1 is a functional block diagram of an embodiment of an on-line card issuing circuit of a SIM card according to the present invention.
Referring to fig. 1, the SIM card online card issuing circuit includes a main control module 10, a card writing circuit 20 connected to the main control module 10, a switching module 30, a network injecting module 50, and an interface 40, where the interface 40 is connected to the card writing circuit 20, the switching module 30, and the network injecting module 50.
The main control module 10 is configured to output a first switching signal to the switching module 30 when receiving a card writing control instruction, so that the card writing circuit 20 is connected to the interface 40 through the switching module 30.
It is understood that the first switching signal may be a level signal, and the switching module 30 may be a switching element capable of being controlled by a level.
It should be noted that the main control module 10 at least includes a processor, and the processor has functions of receiving, processing and analyzing signals and data, such as: a mobile phone CPU; the CPU may also run software programs needed for operation to interact with personnel in conjunction with other equipment.
It can be understood that, when the SIM card is plugged, the worker can write the card control command to the main control module 10 according to actual needs.
The main control module 10 is further configured to output a trigger signal to the card writing circuit 20 when receiving the card writing control instruction.
It is understood that the trigger signal is a level signal that can activate the card writing circuit 20.
And the card writing circuit 20 is configured to write the SIM card according to the pre-filling data through the interface 40 according to the trigger signal.
It should be noted that the card writing circuit 20 may include a card writing chip 201, and the card writing chip 201 is triggered by a card writing control command to connect the card writing chip 201 with the SIM card, so that the card writing chip 201 writes the SIM card on the interface 40.
It is understood that the pre-filled data can be filled into the above-mentioned software program by an operator through an application program, and the card writing, i.e. the SIM card, performs the processes of identity binding and information writing.
The main control module 10 is further configured to output a second switching signal to the switching module 30 after the card writing circuit 20 finishes the card writing, so that the network injection module 50 is connected to the interface 40 through the switching module 30, thereby performing network injection.
It is understood that the second switching signal may be a level signal, and the network injection module 50 may be integrated in the main control module 10.
It should be noted that the network injection is a process of establishing communication between the SIM card and the mobile network, after the card writing is completed, the card writing chip 201 is disconnected from the SIM card, and the SIM card is connected to the main control module 10 through the network injection module 50, so as to execute the network injection.
It will be appreciated that after completion of the network entry, the SIM card may be removed from the interface 40 and handed to the customer, thereby completing the card issuance.
In this embodiment, a SIM card is arranged in an online card sending circuit, where the online card sending circuit of the SIM card includes a main control module 10, a card writing circuit 20 connected to the main control module 10, a network injection module 50 of a switching module 30, and an interface 40; the main control module 10 is configured to output a first switching signal to the switching module 30 when receiving a card writing control instruction, so that the card writing circuit 20 is connected to the interface 40 through the switching module 30; the main control module 10 is further configured to output a trigger signal to the card writing circuit 20 when receiving the card writing control instruction; the card writing circuit 20 is configured to write a SIM card according to the pre-filling data through the interface 40 according to the trigger signal; the network injection module 50 is further configured to read SIM card information through the interface 40 after the card writing circuit 20 finishes card writing, so as to complete network injection. By integrating card writing and network injection in the same circuit, the technical problem that the card issuing mode in the prior art cannot issue cards on line is solved, and the card writing efficiency is improved.
Further, with continued reference to fig. 1, the main control module 10 is further configured to detect a SIM card insertion signal through the interface 40, and detect a card writing control instruction when the SIM card insertion signal is detected.
It can be understood that when the SIM card is inserted, the pin of the interface 40 receives the signal, so as to generate and transmit a SIM card insertion signal to the main control module 10, and the main control module 10 outputs a trigger signal when receiving both the SIM card insertion signal and the card writing control command input by the staff.
Further, with continued reference to fig. 1, the interface 40 is configured to output a SIM card insertion signal to the main control module 10 when a SIM card is inserted.
The present embodiment prevents the malfunction of the card writing circuit 20 by detecting the card writing control command output trigger signal.
Fig. 2 is a schematic circuit structure diagram of an embodiment of the card on-line card sending circuit of the SIM card of the present invention, where the switching module 30 includes a first switch SW1, a control end of the first switch SW1 is connected to the main control module 10, a fixed contact of the first switch SW1 is connected to the interface 40, a first movable contact of the first switch SW1 is connected to the network injection module 50, and a second movable contact of the first switch SW1 is connected to the card writing circuit 20.
The first switch SW1 is used for connecting the card writing circuit 20 and the interface 40 when receiving the switching signal.
It should be noted that the first switch SW1 can switch the interface 40 to connect to the host module 10 or the card writing circuit 20, and may be a digital switch.
Further, with continued reference to fig. 2, the card writing circuit 20 includes a card writing chip 201, a diode D1, and a chopper chip 203; the output end of the card writing chip 201 is connected to the second movable contact of the first switch SW1, the power source end of the card writing chip 201 is connected to the cathode of the diode D1, the data end of the card writing chip 201 is connected to the main control module 10, the anode of the diode D1 is connected to the output end (refer to OUT) of the chopper chip 203, the data port and the confirmation port of the card writing chip 201 are connected to the card writing circuit 20, and the enable end (refer to EN) of the chopper chip 203 is connected to the main control module 10.
In this embodiment, the switching signal is a high level signal, so that when the main control module 10 outputs a high level to the switching circuit, the interface 40 is connected to the card writing chip 201, and when the main control module 10 outputs a low level to the switching circuit, the interface 40 is connected to the main control module 10.
According to the embodiment, the card writing or network injection is determined by detecting the connection state of the SIM card, so that the card writing or network injection is carried out on the SIM card on the premise of not pulling out the SIM card, the operation is simplified, and the working efficiency is improved.
FIG. 3 is a flowchart illustrating a first embodiment of a circuit for sending a SIM card on-line according to the present invention.
Referring to fig. 3, the method for sending a card by a SIM card on line is applied to a circuit for sending a card by a SIM card on line as described above, where the circuit for sending a card by a SIM card on line includes a main control module, a card writing circuit, a network injection module, and a switching module that are connected in sequence, and the switching module is further connected to the main control module and an interface;
the SIM card online card issuing method comprises the following steps:
step S10: when receiving a card writing control instruction, the main control module outputs a first switching signal to the switching module, so that the card writing circuit is connected with the interface through the switching module; .
It should be noted that the main control module at least includes a processor, and the processor has functions of receiving, sending, processing and analyzing signals and data, such as: a mobile phone CPU; the CPU may also run software programs needed for operation to interact with personnel in conjunction with other equipment.
It can be understood that, when the SIM card is inserted, the worker can write the card control command to the main control module according to actual needs.
Step S20: and the main control module outputs a trigger signal to the card writing circuit when receiving the card writing control instruction.
It should be noted that the main control module at least includes a processor, and the processor has functions of receiving, sending, processing and analyzing signals and data, such as: a mobile phone CPU; the CPU may also run software programs needed for operation to interact with personnel in conjunction with other equipment.
It can be understood that when the SIM card is inserted into the on-line card issuing circuit, the worker may issue a card writing control command to the main control module according to actual needs.
Step S30: and the card writing circuit writes the SIM card according to the trigger signal and the pre-filled data through the interface.
It should be noted that the card writing circuit may include a card writing chip, and the card writing chip is triggered by a card writing control instruction to connect the card writing chip with the SIM card, so that the card writing chip performs card writing on the SIM card on the interface.
It is understood that the pre-filled data can be filled into the above-mentioned software program by an operator through an application program, and the card writing, i.e. the SIM card, performs the processes of identity binding and information writing.
Step S40: and after the card writing of the card writing circuit is finished, the main control module outputs a second switching signal to the switching module, so that the network injection module is connected with the interface through the switching module, and network injection is executed.
It is understood that the second switching signal may be a level signal, and the network injection module may be integrated in the main control module.
In the embodiment, the card writing, the network injection, the card issuing and the charging control are integrated, so that the technical problem that the card can not be issued on line is solved, and the card writing efficiency is improved.
In addition, in order to achieve the above object, the present invention further provides a SIM card on-line card issuing device, where the SIM card on-line card issuing device includes the above SIM card on-line card issuing circuit.
Since the SIM card employs all technical solutions of all the above embodiments in the on-line card issuing device, at least all the beneficial effects brought by the technical solutions of the above embodiments are achieved, and are not described in detail herein.
It should be understood that the above is only an example, and the technical solution of the present invention is not limited in any way, and in a specific application, a person skilled in the art may set the technical solution as needed, and the present invention is not limited thereto.
It should be noted that the above-described work flows are only exemplary, and do not limit the scope of the present invention, and in practical applications, a person skilled in the art may select some or all of them to achieve the purpose of the solution of the embodiment according to actual needs, and the present invention is not limited herein.
In addition, the technical details that are not described in detail in this embodiment may refer to the SIM card sending circuit provided in any embodiment of the present invention, and are not described herein again.
Furthermore, it should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or system that comprises the element.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solution of the present invention or portions thereof that contribute to the prior art may be embodied in the form of a software product, where the computer software product is stored in a storage medium (e.g. Read Only Memory (ROM)/RAM, magnetic disk, optical disk), and includes several instructions for enabling a terminal device (e.g. a mobile phone, a computer, a server, or a network device) to execute the method according to the embodiments of the present invention.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A SIM card online card sending circuit is characterized in that the SIM card online card sending circuit comprises a main control module, a card writing circuit connected with the main control module, a switching module network injection module and an interface, wherein the interface is connected with the card writing circuit, the switching module and the network injection module;
the main control module is used for outputting a first switching signal to the switching module when receiving a card writing control instruction, so that the card writing circuit is connected with the interface through the switching module;
the main control module is further used for outputting a trigger signal to the card writing circuit when receiving the card writing control instruction;
the card writing circuit is used for writing the SIM card according to the trigger signal and the pre-filling data through the interface;
the main control module is further configured to output a second switching signal to the switching module after the card writing of the card writing circuit is completed, so that the network injection module is connected with the interface through the switching module, and network injection is performed.
2. The SIM card on-line card issuing circuit of claim 1, wherein the main control module is further configured to detect a SIM card insertion signal through the interface, and detect a card writing control command when the SIM card insertion signal is detected.
3. The SIM card on-line card issuing circuit according to claim 2, wherein the interface is configured to output a SIM card insertion signal to the main control module when the SIM card is inserted.
4. The SIM card on-line card issuing circuit of claim 3, wherein the switching module comprises a first switch, a control end of the first switch is connected with the main control module, a fixed contact of the first switch is connected with the interface, a first movable contact of the first switch is connected with the network injection module, and a second movable contact of the first switch is connected with the card writing circuit;
and the first switch is used for connecting the card writing circuit and the interface when receiving the switching signal.
5. The SIM card on-line card issuing circuit of claim 4, wherein the card writing circuit comprises a card writing chip, a diode and a chopper chip; the output end of the card writing chip is connected with the second movable contact of the first switch, the power supply end of the card writing chip is connected with the cathode of the diode, the data end of the card writing chip is connected with the main control module, the anode of the diode is connected with the output end of the chopping chip, the data port and the confirmation port of the card writing chip are connected with the card writing circuit, and the enable end of the chopping chip is connected with the main control module.
6. The SIM card on-line card sending circuit of claim 5, wherein the master control module is further configured to output an enable signal to the chopper chip upon receiving the card writing control command;
the chopper chip is used for outputting power supply voltage to the card writing chip according to the enabling signal so as to start the card writing chip;
and the card writing chip is used for writing the card according to the pre-filled data when the card is started.
7. The SIM card on-line card issuing circuit according to claim 6, wherein the card writing circuit further comprises an adapter logic chip, the interrupt signal input terminal and the communication terminal of the adapter logic chip are connected to the main control module, the detection terminal of the adapter logic chip is connected to the connection state output terminal of the card writing chip, and the communication terminal of the adapter logic chip is connected to the main control module.
8. The SIM card online card issuing circuit according to claim 1, wherein the network injection module is further configured to read SIM card information through the interface when the main control module does not detect the card writing control command, so as to complete network injection.
9. A method for sending a card by a SIM card on line, which is applied to a circuit for sending a card by a SIM card according to any one of claims 1 to 8, wherein the circuit for sending a card by a SIM card on line comprises a main control module, a card writing circuit, a network injection module and a switching module which are connected in sequence, and the switching module is further connected with the main control module and an interface;
the SIM card online card issuing method comprises the following steps:
when receiving a card writing control instruction, the main control module outputs a first switching signal to the switching module, so that the card writing circuit is connected with the interface through the switching module;
the main control module outputs a trigger signal to the card writing circuit when receiving the card writing control instruction;
the card writing circuit writes the SIM card according to the trigger signal through the interface according to the pre-filled data;
and after the card writing of the card writing circuit is finished, the main control module outputs a second switching signal to the switching module, so that the network injection module is connected with the interface through the switching module, and network injection is executed.
10. A SIM card on-line card issuing device, characterized in that the SIM card on-line card issuing device comprises a SIM card on-line card issuing circuit according to any one of claims 1 to 8.
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