A fault diagnosis and intelligent recovery method and system for a card manufacturing device

Abstract

The application relates to a fault diagnosis and intelligent recovery method and system of a card manufacturing equipment, the method comprising the following steps: monitoring the running state of a plurality of function modules in the card manufacturing equipment, and triggering a fault signal when an abnormality is detected; generating a hierarchical error code according to the fault signal, wherein the hierarchical error code comprises a module identifier and a detail code; outputting the hierarchical error code through a display unit of the card manufacturing equipment; taking the hierarchical error code as an input index, automatically querying a preset error code-equipment recovery action mapping table, and triggering the execution of a corresponding target equipment recovery action; the target equipment recovery action is a physical operation on a physical card and / or a fault function module by a mechanical transmission mechanism of the card manufacturing equipment, so that the fault is removed. The intelligent closed-loop recovery when the card manufacturing equipment fails is realized, the human is liberated from the tedious fault processing, the average repair time is greatly shortened, and the comprehensive efficiency of the equipment is improved.

Description

Technical Field

[0001] This invention belongs to the field of financial equipment technology, and in particular relates to a fault diagnosis and intelligent recovery method and system for card making equipment. Background Technology

[0002] Modern random-order card issuing machines integrate multiple functional modules such as card issuance, flat printing, embossing, hot stamping, reading and writing, and card cancellation. They have a complex structure and precise operation. During the operation of such equipment, a malfunction in any module (such as card blockage, sensor timeout, motor step loss, etc.) may cause the entire machine to stop.

[0003] In existing technologies, devices typically use simple indicator lights or non-descriptive error codes to indicate faults. For example, existing patents such as CN210836156U mainly focus on modular hardware structures and do not delve into intelligent fault handling. Error code systems used in other fields (such as cash recycling machines) primarily function as one-way display of fault information, requiring maintenance personnel to manually intervene based on the prompts, such as clearing blockages or resetting the device. This approach suffers from problems such as long average repair times, high dependence on maintenance personnel, and susceptibility to secondary damage due to improper operation.

[0004] Therefore, existing card manufacturing equipment lacks an intelligent solution that can automatically and accurately diagnose and perform preliminary physical recovery after a failure occurs. Summary of the Invention

[0005] To address the aforementioned technical problems, this invention provides a method and system for fault diagnosis and intelligent recovery of card manufacturing equipment.

[0006] The technical solution adopted in this invention is:

[0007] Firstly, a fault diagnosis and intelligent recovery method for card-making equipment is provided, including:

[0008] Monitor the operating status of multiple functional modules in the card-making equipment and trigger fault signals when an anomaly is detected;

[0009] A hierarchical error code is generated based on the fault signal. The hierarchical error code contains the module identifier of the faulty functional module that caused the fault and detailed codes indicating the cause of the fault.

[0010] The hierarchical error codes are output through the display unit of the card making equipment;

[0011] Using hierarchical error codes as input indexes, the system automatically queries the preset error code-device recovery action mapping table and triggers the execution of the corresponding target device recovery action. The target device recovery action involves controlling the mechanical transmission mechanism of the card-making equipment to perform physical operations on the physical card and / or the faulty functional module, thereby resolving the fault.

[0012] Furthermore, the functional modules include a main controller, a card reader, an embossed lettering module, a card cancellation module, a hot stamping module, and a randomized card library.

[0013] Furthermore, the methods also include:

[0014] The main controller, card reader, embossed lettering module, card cancellation module, hot stamping module, and randomized card library are pre-configured with unique module identifiers.

[0015] Furthermore, hierarchical error codes are generated based on the fault signals, including:

[0016] Analyze the fault signals to determine the cause of the fault and the faulty functional module that caused the fault;

[0017] Based on the preset hierarchical coding rules, match the detailed code corresponding to the cause of the fault;

[0018] Determine the fault module identifier corresponding to the faulty functional module;

[0019] Hierarchical error codes are composed of fault module identifiers and detailed codes.

[0020] Furthermore, the card-making equipment includes a recycling bin and a conveyor trolley, and the mechanical transmission mechanism includes an X-axis conveyor mechanism, a Y-axis conveyor mechanism, a hook mechanism, and a push rod mechanism.

[0021] The target equipment recovery action involves controlling the X-axis and Y-axis conveyor mechanisms to move the conveyor trolley and deliver the physical cards stuck in the faulty functional module to the recycling bin.

[0022] And / or,

[0023] The target device recovery action involves performing a hardware reset operation on the faulty functional module;

[0024] And / or,

[0025] The target equipment recovery action is a mechanical action performed by the control hook mechanism or push rod mechanism to remove the physical card blockage.

[0026] Furthermore, after triggering the corresponding target device recovery action, it also includes:

[0027] Determine whether the target device recovery action was successfully executed;

[0028] If successful, the card-making equipment will be restored to normal operation.

[0029] If it fails, an alarm message that needs to be reported will be generated and uploaded.

[0030] Furthermore, the display unit is a three-digit LED display, used to directly display hierarchical error codes in character form.

[0031] Secondly, a fault diagnosis and intelligent recovery system for card-making equipment is provided, including:

[0032] The fault detection unit is used to monitor the operating status of multiple functional modules in the card making equipment and trigger a fault signal when an abnormality is detected.

[0033] An error code generation unit is used to generate hierarchical error codes based on fault signals. The hierarchical error codes include module identifiers for the faulty functional modules that have experienced the fault and detailed codes indicating the cause of the fault.

[0034] The human-computer interaction unit is used to output hierarchical error codes through the display unit of the card making device;

[0035] The strategy execution unit is used to automatically query the preset error code-device recovery action mapping table with hierarchical error codes as input indexes, and trigger the execution of the corresponding target device recovery action; the target device recovery action is to control the mechanical transmission mechanism of the card making equipment to perform physical operations on the physical card and / or faulty functional module, so as to resolve the fault.

[0036] Furthermore, the functional modules include a main controller, a card reader, an embossed lettering module, a card cancellation module, a hot stamping module, and a randomized card library;

[0037] Pre-set unique module identifiers for the main controller, card reader, embossed lettering module, card cancellation module, hot stamping module, and randomized card library;

[0038] The error code generation unit is specifically used to analyze fault signals, determine the cause of the fault and the faulty functional module that has failed; match the detailed code corresponding to the cause of the fault according to the preset hierarchical coding rules; determine the fault module identifier corresponding to the faulty functional module; and compose a hierarchical error code based on the fault module identifier and the detailed code.

[0039] Furthermore, the card-making equipment includes a recycling bin and a conveyor trolley, and the mechanical transmission mechanism includes an X-axis conveyor mechanism, a Y-axis conveyor mechanism, a hook mechanism, and a push rod mechanism.

[0040] The target equipment recovery action involves controlling the X-axis and Y-axis conveyor mechanisms to move the conveyor trolley and deliver the physical cards stuck in the faulty functional module to the recycling bin.

[0041] And / or,

[0042] The target device recovery action involves performing a hardware reset operation on the faulty functional module;

[0043] And / or,

[0044] The target equipment recovery action is a mechanical action performed by the control hook mechanism or push rod mechanism to remove the physical card blockage.

[0045] The beneficial effects achieved by this invention are as follows:

[0046] The system monitors the operational status of multiple functional modules in the card-making equipment and triggers fault signals when an anomaly is detected. Based on the fault signals, a hierarchical error code is generated, containing a module identifier for the faulty functional module and detailed codes indicating the cause of the fault. This hierarchical error code is output through the display unit of the card-making equipment. Using the hierarchical error code as an input index, a preset error code-equipment recovery action mapping table is automatically queried, triggering the execution of the corresponding target equipment recovery action. The target equipment recovery action involves controlling the mechanical transmission mechanism of the card-making equipment to physically operate the physical card and / or the faulty functional module, thereby resolving the fault. Through the hierarchical error code → preset error code-equipment recovery action mapping table query → target equipment recovery action, intelligent closed-loop recovery is achieved when the card-making equipment malfunctions, freeing manual labor from tedious fault handling, significantly shortening the average repair time, and improving the overall efficiency of the equipment. Attached Figure Description

[0047] Figure 1 This is a flowchart of the fault diagnosis and intelligent recovery method for the card making equipment of the present invention;

[0048] Figure 2 This is a first structural diagram of the card-making equipment of the present invention;

[0049] Figure 3 This is a second structural diagram of the card-making equipment of the present invention;

[0050] Figure 4 This is a third structural diagram of the card-making equipment of the present invention;

[0051] Figure 5 This is the fourth structural diagram of the card-making equipment of the present invention;

[0052] Figure 6 This is a flowchart illustrating the generation process of the hierarchical error codes of this invention.

[0053] Figure 7 This is a schematic diagram of the preset error code-device recovery action mapping table of the present invention;

[0054] Figure 8 The structural diagram of the fault diagnosis and intelligent recovery system for the card making equipment of this invention.

[0055] The serial numbers in the diagram are:

[0056] 1. Main controller; 2. Conveyor trolley; 3. X-axis conveyor mechanism; 4. Y-axis conveyor mechanism; 5. Rotary chuck card storage device; 6. Card conveying channel; 7. Flat printing module; 8. Embossed lettering module; 9. Card cancellation module; 10. Reading and writing module; 11. Card issuing box; 12. Scanning module; 13. Recycling box; 14. Hot stamping module. Detailed Implementation

[0057] The present invention will be further described below with reference to the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the present invention, and should not be used to limit the scope of protection of the present invention.

[0058] The card-making equipment in the embodiments of the present invention, such as Figures 2-5 As shown, the card-making equipment includes a main controller 1, a conveyor trolley 2, an X-axis conveyor mechanism 3, a Y-axis conveyor mechanism 4, a rotary card storage device 5, a card conveying channel 6, a flat printing module 7, an embossed character module 8, a card cancellation module 9, a read / write module 10, a card issuing box 11, a scanning module 12, a recycling box 13, and a hot stamping module 14; the card-making equipment also includes a random card library, a card reader, a card hook mechanism, and a push rod mechanism, which are not shown in the figure.

[0059] The conveyor trolley 2 moves in the horizontal X direction and the vertical Y direction via the X-axis conveyor mechanism 3 and the Y-axis conveyor mechanism 4, and can move to various functional modules.

[0060] Combination Figures 2-5 Card-making equipment, such as Figure 1 As shown, this embodiment of the invention provides a fault diagnosis and intelligent recovery method for card manufacturing equipment, including:

[0061] 101. Monitor the operating status of multiple functional modules in the card-making equipment and trigger a fault signal when an abnormality is detected;

[0062] In this embodiment, the card-making equipment is powered on and starts to continuously and in parallel monitor multiple functional modules in the card-making equipment;

[0063] Specifically, the functional modules include a main controller, a card reader, an embossed lettering module, a card cancellation module, a hot stamping module, and a randomized card library;

[0064] The main controller, card reader, embossed lettering module, card cancellation module, hot stamping module, and random card library are pre-set with unique module identifiers. For example, the module identifier of the main controller is "-", the module identifier of the card reader is "R", the module identifier of the embossed lettering module is "E", the module identifier of the card cancellation module is "B", the module identifier of the hot stamping module is "T", and the module identifier of the random card library is "D".

[0065] The physical basis for monitoring behavior is a sensor network distributed across key nodes of various functional modules, including but not limited to photoelectric sensors, position sensors, temperature sensors, and motor current detectors. These sensors together constitute the "nerve endings," collecting real-time state information of the physical world of the card-making equipment.

[0066] 102. Generate hierarchical error codes based on fault signals. The hierarchical error codes contain module identifiers for the faulty functional modules that have experienced the fault and detailed codes indicating the cause of the fault.

[0067] In this embodiment, the generation process of hierarchical error codes is as follows: Figure 6 As shown, the steps include:

[0068] 601, analyze the fault signal to determine the cause of the fault and the faulty functional module that caused the fault;

[0069] For example, by analyzing the fault signal, the faulty functional module was accurately located as the "embossed character module", and the specific cause of the fault was determined to be "card input timeout".

[0070] 602, Match the detailed code corresponding to the cause of the fault according to the preset hierarchical coding rules;

[0071] The preset hierarchical coding rules pre-set different detailed codes for different fault causes. The detailed code corresponding to "card entry timeout" is "05".

[0072] 603, Determine the fault module identifier corresponding to the faulty functional module;

[0073] The fault module identifier for the "convex and concave character module" is "E".

[0074] 604 is a hierarchical error code composed of the fault module identifier and detailed code.

[0075] Combining "E" and "05" in a hierarchical structure of "module identifier + detail code" yields the hierarchical error code "E05".

[0076] 103. The hierarchical error codes are output through the display unit of the card making equipment;

[0077] In this embodiment, the hierarchical error code "E05" is output through the display unit of the card-making equipment. The display unit can be a three-digit LED display, used to directly display the hierarchical error code in character form. Maintenance personnel can instantly identify the fault as occurring in the embossed module and the cause as card feeding timeout by observing "E05". This achieves rapid and accurate fault location and characterization, providing clear guidance for necessary manual intervention.

[0078] It should be noted that there is no order in which steps 103 and 104 are executed.

[0079] 104. Using hierarchical error codes as input indexes, the system automatically queries the preset error code-device recovery action mapping table and triggers the execution of the corresponding target device recovery action. The target device recovery action is to control the mechanical transmission mechanism of the card-making equipment to perform physical operations on the physical card and / or the faulty functional module, so that the fault is resolved.

[0080] In this embodiment, the preset error code-device recovery action mapping table is pre-set based on the historical experience of experts or maintenance personnel. The preset error code-device recovery action mapping table is as follows: Figure 7 As shown, the device recovery action corresponding to the hierarchical error code "E05" is "control the conveyor trolley to move the physical card from the embossed lettering module to the recycling bin 1"; the device recovery action corresponding to the hierarchical error code "B06" is "stop sending cards to the recycling bin and report the status to the host computer"; the device recovery action corresponding to the hierarchical error code "R14" is "recycle the card from the card reader to the recycling bin 2"; the device recovery action corresponding to the hierarchical error code "T68" is "execute the hot stamping module rising action to move the card back to the embossed lettering module for temporary storage"; not displayed Figure 7 The information also includes the device recovery action corresponding to the hierarchical error code "-01", which is "perform a hardware reset operation on the main controller";

[0081] exist Figure 7 This establishes a direct and reliable bridge from "abstract error information" to "specific equipment actions";

[0082] When the corresponding target device recovery action is triggered, the target device recovery action is translated into a series of specific, low-level control commands, which drive mechanical structures such as the X-axis transmission mechanism, Y-axis transmission mechanism, hook mechanism, and push rod mechanism to perform a series of precise and coordinated physical operations. The entire physical recovery process is completely autonomous and requires no human intervention, which fully demonstrates the level of automation of the present invention.

[0083] The preset error code-device recovery action mapping table is not a simple enumeration list, but a concentrated embodiment of the creative thinking of this invention. It is a set of optimal recovery strategies for the unique fault modes of card-making equipment, which has been deeply analyzed and verified in practice. It creatively establishes an intelligent mapping relationship from "where and why (hierarchical error codes)" to "how to do (device recovery action)".

[0084] To illustrate with a non-obvious example: For the hierarchical error code "T14" (heating module temperature too high), the traditional approach might be a simple shutdown alarm; however, in the mapping system of this invention, the corresponding recovery action is: "Immediately stop feeding cards to the heating module, simultaneously start the backup cooling fan for forced heat dissipation, and continuously monitor the temperature value until it drops below the safe threshold." This strategy is dynamic and intelligent, attempting to eliminate the root cause of the fault while minimizing the probability of a complete equipment shutdown, demonstrating the significant progress of this invention in improving equipment automation, operating efficiency, and safety.

[0085] Taking the hierarchical error code "B06" (card cancellation module bin full) as an example, the mapped recovery action is: "Automatically suspend the delivery of cards to the full recycling bin, and notify the system via the host computer to switch to the backup recycling bin to continue working, while reporting the 'bin full' status and requesting cleanup"; this strategy achieves seamless business continuity and demonstrates the system's intelligent decision-making ability to cope with complex working conditions.

[0086] By deeply integrating software (hierarchical coding, strategy mapping) and hardware (sensors, actuators), a structured error coding system is creatively combined with an automated equipment recovery action, forming a complete, self-decision-making, and self-executing fault handling closed-loop system. This effectively solves long-standing technical pain points in the field and elevates the intelligence and reliability of card manufacturing equipment to a new level.

[0087] After the target recovery action is completed, sensor-based result judgment is performed to form a closed-loop processing mechanism. If the sensor (e.g., the recycling bin inlet sensor) confirms that the card has successfully entered the recycling bin, the automatic recovery is considered successful, and a "fault has been automatically recovered" report is sent to the host computer. The system then automatically and seamlessly returns to step 101 to continue monitoring and prepare for subsequent card production tasks. This "success" branch significantly reduces unnecessary downtime.

[0088] If recovery fails due to extreme circumstances such as severe card congestion, an alarm message is sent to the host computer, and hierarchical error codes are displayed on the display unit to guide maintenance personnel to perform accurate and efficient repairs, avoiding blind troubleshooting.

[0089] The beneficial effects achieved by the embodiments of the present invention are as follows:

[0090] The system monitors the operational status of multiple functional modules in the card-making equipment and triggers fault signals when an anomaly is detected. Based on the fault signals, a hierarchical error code is generated, containing a module identifier for the faulty functional module and detailed codes indicating the cause of the fault. This hierarchical error code is output through the display unit of the card-making equipment. Using the hierarchical error code as an input index, a preset error code-equipment recovery action mapping table is automatically queried, triggering the execution of the corresponding target equipment recovery action. The target equipment recovery action involves controlling the mechanical transmission mechanism of the card-making equipment to physically operate the physical card and / or the faulty functional module, thereby resolving the fault. Through the hierarchical error code → preset error code-equipment recovery action mapping table query → target equipment recovery action, intelligent closed-loop recovery is achieved when the card-making equipment malfunctions, freeing manual labor from tedious fault handling, significantly shortening the average repair time, and improving the overall efficiency of the equipment.

[0091] Based on the fault diagnosis and intelligent recovery methods for card-making equipment described in the above embodiments, the following embodiments illustrate the fault diagnosis and intelligent recovery system for card-making equipment.

[0092] like Figure 8 As shown, this embodiment of the invention provides a fault diagnosis and intelligent recovery system for card manufacturing equipment, including:

[0093] The fault detection unit 801 is used to monitor the operating status of multiple functional modules in the card making equipment and trigger a fault signal when an abnormality is detected.

[0094] Error code generation unit 802 is used to generate hierarchical error codes based on fault signals. The hierarchical error codes include module identifiers for the faulty functional modules that have experienced faults and detailed codes indicating the cause of the fault.

[0095] The human-computer interaction unit 803 is used to output hierarchical error codes through the display unit of the card making device;

[0096] The strategy execution unit 804 is used to automatically query the preset error code-device recovery action mapping table with the hierarchical error code as the input index, and trigger the execution of the corresponding target device recovery action; the target device recovery action is to control the mechanical transmission mechanism of the card making equipment to perform physical operations on the physical card and / or faulty functional module, so as to resolve the fault.

[0097] Preferably, in some embodiments of the present invention, the error code generation unit 802 is specifically used to parse the fault signal, determine the cause of the fault and the faulty functional module that has malfunctioned; match the detailed code corresponding to the cause of the fault according to a preset hierarchical coding rule; determine the fault module identifier corresponding to the faulty functional module; and form a hierarchical error code based on the fault module identifier and the detailed code.

[0098] The beneficial effects achieved by the embodiments of the present invention are as follows:

[0099] By using a hierarchical error code → preset error code → device recovery action mapping table query → target device recovery action, intelligent closed-loop recovery is achieved when card-making equipment malfunctions. This frees up manual labor from tedious fault handling, significantly shortens the average repair time, and improves the overall efficiency of the equipment.

[0100] Those skilled in the art will understand that embodiments of the present invention can be provided as methods, systems, or computer program products. Therefore, the present invention can take the form of a completely hardware embodiment, a completely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present invention can take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, etc.) containing computer-usable program code.

[0101] This invention is described with reference to flowchart illustrations and / or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each block of the flowchart illustrations and / or block diagrams, and combinations of blocks in the flowchart illustrations and / or block diagrams, can be implemented by computer program instructions. These computer program instructions can be provided to a processor of a general-purpose computer, special-purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, generate instructions for implementing the flowchart illustrations and / or block diagrams. Figure 1 One or more processes and / or boxes Figure 1 A device that provides the functions specified in one or more boxes.

[0102] These computer program instructions may also be stored in a computer-readable storage medium that can direct a computer or other programmable data processing device to function in a particular manner, such that the instructions stored in the computer-readable storage medium produce an article of manufacture including instruction means, which are implemented in a process Figure 1 One or more processes and / or boxes Figure 1 The function specified in one or more boxes.

[0103] These computer program instructions may also be loaded onto a computer or other programmable data processing equipment to cause a series of operational steps to be performed on the computer or other programmable equipment to produce a computer-implemented process, thereby providing instructions that execute on the computer or other programmable equipment for implementing the process. Figure 1 One or more processes and / or boxes Figure 1 The steps of the function specified in one or more boxes.

[0104] The above are merely embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention are included within the scope of the claims of the present invention pending approval.

Claims

1. A method for fault diagnosis and intelligent recovery of card-making equipment, characterized in that, include: Monitor the operating status of multiple functional modules in the card-making equipment and trigger fault signals when an anomaly is detected; A hierarchical error code is generated based on the fault signal. The hierarchical error code includes a module identifier for the faulty functional module that caused the fault and a detailed code indicating the cause of the fault. The hierarchical error code is output through the display unit of the card making device; Using the hierarchical error code as the input index, the preset error code-device recovery action mapping table is automatically queried, and the corresponding target device recovery action is triggered. The target device recovery action is to control the mechanical transmission mechanism of the card making equipment to perform physical operations on the physical card and / or the faulty functional module, so that the fault is resolved.

2. The fault diagnosis and intelligent recovery method for card-making equipment according to claim 1, characterized in that, The functional modules include a main controller, a card reader, an embossed lettering module, a card cancellation module, a hot stamping module, and a randomized card library.

3. The fault diagnosis and intelligent recovery method for card-making equipment according to claim 2, characterized in that, The method further includes: The main controller, the card reader, the embossed lettering module, the card cancellation module, the hot stamping module, and the randomized card library are pre-configured with unique module identifiers.

4. The fault diagnosis and intelligent recovery method for card-making equipment according to claim 3, characterized in that, The step of generating hierarchical error codes based on the fault signal includes: The fault signal is analyzed to determine the cause of the fault and the faulty functional module that caused the fault; Based on the preset hierarchical coding rules, match the detailed code corresponding to the cause of the fault; Determine the fault module identifier corresponding to the faulty function module; A hierarchical error code is formed based on the fault module identifier and the detailed code.

5. The fault diagnosis and intelligent recovery method for card-making equipment according to claim 1, characterized in that, The card-making equipment includes a recycling bin and a conveyor trolley, and the mechanical transmission mechanism includes an X-axis conveyor mechanism, a Y-axis conveyor mechanism, a hook mechanism, and a push rod mechanism. The target device recovery action is to control the X-axis conveying mechanism and the Y-axis conveying mechanism to move the conveying trolley to deliver the physical card stuck in the faulty functional module to the recycling bin; And / or, The target device recovery action is to perform a hardware reset operation on the faulty functional module; And / or, The target device recovery action is to control the hook mechanism or the push rod mechanism to perform a mechanical action to remove the physical card blockage.

6. The fault diagnosis and intelligent recovery method for card-making equipment according to claim 5, characterized in that, After triggering the corresponding target device recovery action, the process also includes: Determine whether the target device recovery action was successfully executed; If successful, the card-making equipment will be restored to normal operation. If it fails, an alarm message that needs to be reported will be generated and uploaded.

7. The fault diagnosis and intelligent recovery method for card-making equipment according to claim 1, characterized in that, The display unit is a three-digit LED display, used to directly display the hierarchical error code in character form.

8. A fault diagnosis and intelligent recovery system for card-making equipment, characterized in that, include: The fault detection unit is used to monitor the operating status of multiple functional modules in the card making equipment and trigger a fault signal when an abnormality is detected. An error code generation unit is used to generate a hierarchical error code based on the fault signal. The hierarchical error code includes a module identifier for the faulty functional module that has failed and a detailed code for indicating the cause of the failure. The human-computer interaction unit is used to output the hierarchical error code through the display unit of the card making device; The strategy execution unit is used to automatically query the preset error code-device recovery action mapping table using the hierarchical error code as the input index, and trigger the execution of the corresponding target device recovery action; the target device recovery action is to control the mechanical transmission mechanism of the card making equipment to perform physical operations on the physical card and / or the faulty function module, so as to resolve the fault.

9. The fault diagnosis and intelligent recovery system for card-making equipment according to claim 8, characterized in that, The functional modules include a main controller, a card reader, an embossed lettering module, a card cancellation module, a hot stamping module, and a randomized card library. The main controller, the card reader, the embossed lettering module, the card cancellation module, the hot stamping module, and the randomized card library are pre-configured with unique module identifiers. The error code generation unit is specifically used to parse the fault signal, determine the cause of the fault and the faulty functional module that has malfunctioned; and match the detailed code corresponding to the cause of the fault according to a preset hierarchical coding rule. Determine the fault module identifier corresponding to the faulty functional module; compose a hierarchical error code based on the fault module identifier and the detailed code.

10. The fault diagnosis and intelligent recovery system for card-making equipment according to claim 8, characterized in that, The card-making equipment includes a recycling bin and a conveyor trolley, and the mechanical transmission mechanism includes an X-axis conveyor mechanism, a Y-axis conveyor mechanism, a hook mechanism, and a push rod mechanism. The target device recovery action is to control the X-axis conveying mechanism and the Y-axis conveying mechanism to move the conveying trolley to deliver the physical card stuck in the faulty functional module to the recycling bin; And / or, The target device recovery action is to perform a hardware reset operation on the faulty functional module; And / or, The target device recovery action is to control the hook mechanism or the push rod mechanism to perform a mechanical action to remove the physical card blockage.

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