Intelligent torque feedback and adaptive adjustment method and device and computer equipment

Through intelligent torque feedback and adaptive adjustment methods, the torque sensor and PID control algorithm are used to realize high-precision torque control in large bolt tightening operations, solving the problem of inaccurate torque control in traditional methods, and improving fastening efficiency and safety.

CN119795096APending Publication Date: 2025-04-11ZHEJIANG YOUPIN ELECTRONICS CO LTD
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Patent Information

Application Number
CN202510132340.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-02-06
Publication Date
2025-04-11

AI Technical Summary

Technical Problem

There is a problem of precise torque control in large bolt tightening operations. Traditional manual wrenches are difficult to accurately apply target torque. The existing electric wrench lacks real-time monitoring and intelligent adjustment capabilities, resulting in low tightening efficiency, unstable quality, and safety hazards.

Method used

It provides an intelligent torque feedback and adaptive adjustment method, which monitors the actual torque value in real time through the torque sensor, obtains the preset target torque value, and uses the PID control algorithm to automatically adjust the motor output torque until the target torque value is reached, and records the working condition and upload data.

Benefits of technology

It realizes high-precision torque control under complex working conditions, improves the efficiency and safety of large bolt tightening operations, and reduces fault repair costs and resource waste caused by improper torque.

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Abstract

The invention relates to an intelligent torque feedback and self-adaptive adjustment method and device and computer equipment, and the method comprises the steps: monitoring an actual torque value applied by an electric torque wrench in real time through a torque sensor; a preset target torque value is obtained, and the motor output torque of the electric torque wrench is automatically adjusted according to the target torque value and the actual torque value until the actual torque value reaches the target torque value; when the actual torque value reaches the target torque value, the electric torque wrench is controlled to be shut down, the current working condition is reported, and the working condition comprises the target torque value, the time for reaching the target torque, the number of times of completion and the number of times of failure, so that in the actual large-bolt fastening operation, the large-bolt fastening efficiency is improved. Through intelligent control, accurate torque adjustment, operation data recording and remote management, the purpose of improving operation efficiency and safety is achieved.
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Description

Technical Field

[0001] The present invention relates to the field of information technology, and in particular to an intelligent torque feedback and adaptive adjustment method, device and computer equipment. Background Art

[0002] There is a core technical difficulty in large bolt tightening operations: how to accurately control the torque and ensure the tightening quality. It is difficult for traditional manual wrenches to accurately apply the target torque, which can easily cause the bolts to loosen or overtighten. Although existing electric wrenches can set the target torque, they lack real-time monitoring and intelligent adjustment capabilities, making it difficult to cope with complex working conditions. At the same time, due to the lack of remote monitoring and data analysis, it is impossible to detect abnormal situations and optimize the operation process in a timely manner. This leads to low efficiency, unstable quality and safety hazards in large bolt tightening operations. Especially in special environments such as high altitudes and narrow spaces, the operation is more difficult, and higher requirements are placed on the intelligence and remoteness of the tools. In addition, bolts of different specifications require different torque ranges. How to achieve a wide range and high-precision torque output on a single device is also a major challenge. Summary of the invention

[0003] The main purpose of the present invention is to provide an intelligent torque feedback and adaptive adjustment method, device and computer equipment to achieve the purpose of improving operation efficiency and safety through intelligent control, precise torque adjustment, operation data recording and remote management in actual large bolt tightening operations.

[0004] To achieve the above object, the present invention provides an intelligent torque feedback and adaptive adjustment method, comprising the following steps: The actual torque value applied by the electric torque wrench is monitored in real time by a torque sensor; Obtaining a preset target torque value, and automatically adjusting the motor output torque of the electric torque wrench according to the target torque value and the actual torque value until the actual torque value reaches the target torque value; When the actual torque value reaches the target torque value, the electric torque wrench is controlled to stop and the current working status is reported, wherein the working status includes the target torque value, the time to reach the target torque, the number of completions and the number of failures.

[0005] Furthermore, before obtaining the preset target torque value, the method further includes: The target torque value is set through an interactive interface, wherein the interactive interface includes a display interface and a torque adjustment button, wherein the display interface is used to display the target torque value, and the torque adjustment button is used to adjust the target torque value.

[0006] Further, the torque adjustment button includes an increase button and a decrease button; The target torque value is gradually increased by pressing the increase button until the torque upper limit is reached; The target torque value is gradually reduced by pressing the reduction button until the torque lower limit is reached; Each time the increase button or decrease button is pressed, a prompt sound is emitted.

[0007] Furthermore, the step of automatically adjusting the motor output torque of the electric torque wrench according to the target torque value and the actual torque value comprises: Obtaining a difference between the target torque value and the actual torque value; According to the difference, a PID control algorithm is used to calculate the motor output adjustment amount; The motor output torque of the electric torque wrench is controlled according to the motor output adjustment amount.

[0008] Furthermore, after the step of controlling the electric torque wrench to stop when the actual torque value reaches the target torque value, the method further includes: If the electric torque wrench is started again within the preset time, and the actual torque value finally reaches the target torque value, the tightening operation is recorded as successful and the number of completions is accumulated; If the electric torque wrench is not started again within the preset time, the tightening operation is recorded as a failure and the number of failures is accumulated.

[0009] Furthermore, the working status is uploaded to the remote management platform in real time through the wireless communication module; If an abnormal situation occurs during the tightening operation, a control instruction is issued through the remote management platform to remotely cut off the power supply of the electric torque wrench.

[0010] Further, the electric torque wrench includes a motor, a planetary gear reduction box and a multi-stage planetary gear torque multiplier; The rotation speed of the motor is reduced and the torque is increased through the planetary gear reduction box and the multi-stage planetary gear torque multiplier, and finally a large torque and a low rotation speed are output to perform a large bolt tightening operation.

[0011] The present invention also provides an intelligent torque feedback and adaptive adjustment device, comprising: A data monitoring module, used for monitoring the actual torque value applied by the electric torque wrench in real time through a torque sensor; An adaptive adjustment module, used for obtaining a preset target torque value, and automatically adjusting the motor output torque of the electric torque wrench according to the target torque value and the actual torque value, until the actual torque value reaches the target torque value; The data feedback module is used to control the electric torque wrench to stop when the actual torque value reaches the target torque value, and report the current working status, wherein the working status includes the target torque value, the time to reach the target torque, the number of completions, and the number of failures.

[0012] The present invention also provides a computer device, including a memory and a processor, wherein the memory stores a computer program, and the processor implements the steps of the above-mentioned intelligent torque feedback and adaptive adjustment method when executing the computer program.

[0013] The present invention also provides a computer-readable storage medium having a computer program stored thereon, and when the computer program is executed by a processor, the steps of the above-mentioned intelligent torque feedback and adaptive adjustment method are implemented.

[0014] The intelligent torque feedback and adaptive adjustment method, device and computer equipment provided by the present invention have the following beneficial effects: The present invention uses a torque sensor to monitor the actual torque value of the electric torque wrench in real time and accurately through advanced torque feedback and adaptive adjustment mechanisms. In various complex operating scenarios, the motor output torque is automatically adjusted with the help of a PID control algorithm according to the preset torque range or specific operating requirements, effectively avoiding product quality problems caused by torque deviation, greatly improving the overall quality and safety of the product, and reducing the cost of fault repair and resource waste caused by improper torque. A restart judgment mechanism within a preset time is also introduced to distinguish between successful and failed tightening operations and accumulate the number of times. At the same time, it has a wireless communication function, which can upload work data to a remote platform in real time, and supports remote power cut-off to deal with abnormal situations. In terms of hardware design, a planetary gear reducer and a multi-stage torque multiplier are used to achieve high torque and low speed output. The present invention significantly improves the efficiency and safety of large bolt tightening operations by combining intelligent control and remote management, and provides an advanced intelligent torque tool solution for the industrial field. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a flow chart of an intelligent torque feedback and adaptive adjustment method in one embodiment of the present invention; Figure 2 is a structural block diagram of an intelligent torque feedback and adaptive adjustment device in one embodiment of the present invention; Figure 3 It is a schematic block diagram of the structure of a computer device according to an embodiment of the present invention.

[0016] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0017] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0018] Reference Figure 1 , which is a flow chart of an intelligent torque feedback and adaptive adjustment method proposed by the present invention, comprising the following steps: S1, monitoring the actual torque value applied by the electric torque wrench in real time through a torque sensor; S2, obtaining a preset target torque value, and automatically adjusting the motor output torque of the electric torque wrench according to the target torque value and the actual torque value until the actual torque value reaches the target torque value; S3, when the actual torque value reaches the target torque value, the electric torque wrench is controlled to stop and the current working status is reported, wherein the working status includes the target torque value, the time to reach the target torque, the number of completions and the number of failures.

[0019] As described in step S1 above, the actual torque value applied by the electric torque wrench is monitored in real time by a torque sensor. Among them, the torque sensor is a device that can measure the torque on the rotating shaft. During the entire operation of the electric torque wrench, the torque sensor continuously obtains torque data. When the electric torque wrench is working, the motor inside it drives the transmission mechanism to apply torque to the bolt. The torque sensor is installed at a suitable position inside the electric torque wrench. When the motor of the wrench rotates and transmits torque, the torque sensor can sense the change in this torque and convert it into a corresponding signal for output. This process ensures the accurate measurement and real-time monitoring of the actual torque value applied by the electric torque wrench, thereby ensuring the requirements for bolt tightening torque accuracy in industries such as machinery manufacturing and construction installation.

[0020] As described in the above step S2, a preset target torque value is obtained, and according to the target torque value and the actual torque value, the motor output torque of the electric torque wrench is automatically adjusted until the actual torque value reaches the target torque value.

[0021] Before operating the electric torque wrench, a target torque value needs to be set. This target torque value is determined according to the specific work requirements. When the electric torque wrench starts working, the torque sensor will monitor the actual torque value applied by the wrench in real time. Then, the system will compare this actual torque value with the target torque value set previously. For example, if the target torque value is set to 100 Nm, and the actual torque value currently monitored by the torque sensor is 50 Nm, then the system knows that the actual torque value is less than the target torque value. According to the difference between the target torque value and the actual torque value, the system will automatically adjust the motor output torque of the electric torque wrench. If the actual torque value is less than the target torque value, the motor will increase the output torque so that the wrench applies more torque; conversely, if the actual torque value is greater than the target torque value, the motor will reduce the output torque. This adjustment is performed automatically without manual intervention. For example, when the actual torque value is 50 Nm (the target torque value is 100 Nm), the system calculates the amount of torque that the motor needs to increase through the internal control algorithm (such as the PID control algorithm), and then controls the motor to increase the output torque.

[0022] The adjustment of the motor output torque is a continuous process. The system will continuously compare the actual torque value with the target torque value, and continuously adjust the motor output torque according to the difference until the actual torque value reaches the target torque value. In this process, the system will continuously receive the actual torque value fed back by the torque sensor and make corresponding adjustments to ensure that the final actual torque value accurately matches the target torque value, thereby ensuring the accuracy and reliability of operations such as bolt tightening.

[0023] As described in step S3 above, when the actual torque value reaches the target torque value, the electric torque wrench is controlled to stop and the current working status is reported, and the working status includes the target torque value, the time to reach the target torque, the number of completions and the number of failures.

[0024] When the electric torque wrench is working, the torque sensor monitors the actual torque value in real time, and the motor output torque is automatically adjusted through the mechanism. Once the actual torque value is equal to the preset target torque value, it means that the bolt has been tightened to the required precise torque level. In order to avoid over-tightening the bolt (which may cause problems such as bolt damage or deformation of the connector), when the actual torque value reaches the target torque value, the system will immediately send a control signal to stop the motor of the electric torque wrench. This operation ensures that each tightening operation can accurately meet the preset torque requirements, ensuring the quality of work and the reliability of the product. The work data generated in this operation is reported, including the target torque value, the time to reach the target torque, the number of completions, and the number of failures, which is helpful for subsequent work records and data analysis. For example, on an assembly line of large mechanical equipment, by recording the target torque value of each operation, quality traceability and process optimization can be carried out. Record the time it takes from the start of the electric torque wrench to the actual torque value reaching the target torque value. This data can be used to analyze operational efficiency and equipment performance. For example, in a mass production scenario, if the time it takes for an electric torque wrench to reach the target torque becomes significantly longer, it may mean that the equipment needs maintenance or inspection. The number of times the tightening operation is successfully completed (that is, the actual torque value reaches the target torque value) is accumulated. In an engineering project, counting the number of completions can help managers understand the progress and efficiency of the work. If the target torque value is not reached during the operation (for example, due to equipment failure or improper operation), the system will record the number of these failed operations. This is very important for analyzing operational problems and equipment reliability. For example, during the installation of a wind turbine, if the electric torque wrench fails too many times, it may indicate that the on-site operating environment is poor or there are defects in the equipment itself, which need to be checked and resolved in a timely manner.

[0025] In one embodiment, the operator sets the target torque value through an interactive interface. The interactive interface includes a display interface and a torque adjustment button, the display interface is used to display the target torque value, and the torque adjustment button is used to adjust the target torque value. Among them, the torque adjustment button includes an increase button and a decrease button. When the operator presses the increase button, the target torque value increases gradually, and each press of the increase button (short press only increases by 1, long press <3 seconds or more> with 5 steps per second + 5) until the torque upper limit is reached; when the decrease button is pressed, the target torque value decreases gradually (short press only decreases by 1, long press <3 seconds or more> with 5 steps per second - 5) until the torque lower limit is reached. Each time the increase button or the decrease button is pressed, a prompt sound will be emitted to facilitate the operator's operation.

[0026] The actual torque value applied by the electric torque wrench is monitored in real time through the torque sensor. The torque sensor is installed at a suitable position of the electric torque wrench, which can accurately obtain the actual torque applied by the wrench during the bolt tightening process. After obtaining the preset target torque value, the motor output torque is automatically adjusted according to the target torque value and the actual torque value. The difference between the target torque value and the actual torque value is obtained, and the motor output adjustment amount is calculated based on the difference using the PID control algorithm. For example, if the difference is large, the PID control algorithm will calculate a larger motor output adjustment amount, so that the electric torque wrench can quickly increase or decrease the torque; if the difference is small, the calculated adjustment amount is also correspondingly small to ensure the smoothness of the torque adjustment. According to the motor output adjustment amount, the motor output torque of the electric torque wrench is controlled until the actual torque value reaches the target torque value. In this process, the motor of the electric torque wrench will decelerate when approaching the set torque to prevent overshoot and ensure the accurate application of torque.

[0027] When the actual torque value reaches the target torque value, the electric torque wrench is controlled to stop and the current working status is reported, including the target torque value, the time to reach the target torque, the number of completions, and the number of failures. After the actual torque value reaches the target torque value and the electric torque wrench is shut down, if the electric torque wrench is started again within the preset time (for example, 10 seconds), and the actual torque value finally reaches the target torque value, the tightening operation will be recorded as successful and the number of completions will be accumulated; if the electric torque wrench is not started again within the preset time, the tightening operation will be recorded as a failure and the number of failures will be accumulated. The working status is uploaded to the remote management platform in real time through the wireless communication module. The remote management platform can obtain detailed data for each bolt tightening operation, including target torque, actual torque, operation time, number of successes or failures, and other information.

[0028] During the tightening operation, if an abnormal situation occurs (such as a sudden abnormal increase or decrease in torque), a control command is issued through the remote management platform to remotely cut off the power supply of the electric torque wrench to avoid further development of safety hazards. For example, during the installation and maintenance of wind turbines, if the torque is abnormal during the tightening process due to quality problems with the bolts themselves, the remote management platform can promptly detect and cut off the power supply to prevent damage to the equipment or harm to the operator. The electric torque wrench reduces the speed of the motor and increases the torque through a planetary gear reducer and a multi-stage planetary gear torque multiplier, ultimately outputting high torque and low speed to meet the requirements of large bolt tightening operations. For example, during the installation of oil and gas pipelines, for large-sized bolt connections, the electric torque wrench can provide sufficient torque for tightening to ensure the reliability of pipeline connections.

[0029] Reference Figure 2, is a structural block diagram of an intelligent torque feedback and adaptive adjustment device in one embodiment of the present invention, comprising: A data monitoring module, used for monitoring the actual torque value applied by the electric torque wrench in real time through a torque sensor; An adaptive adjustment module, used for obtaining a preset target torque value, and automatically adjusting the motor output torque of the electric torque wrench according to the target torque value and the actual torque value, until the actual torque value reaches the target torque value; The data feedback module is used to control the electric torque wrench to stop when the actual torque value reaches the target torque value, and report the current working status, wherein the working status includes the target torque value, the time to reach the target torque, the number of completions, and the number of failures.

[0030] For the specific implementation of each device in the above device example, please refer to the above method embodiment, which will not be repeated here.

[0031] Reference Figure 3 In an embodiment of the present invention, a computer device is also provided. The computer device may be a server, and its internal structure may be as follows: Figure 3 As shown. The computer device includes a processor, a memory, a display screen, an input device, a network interface and a database connected through a system bus. Among them, the processor designed by the computer is used to provide computing and control capabilities. The memory of the computer device includes a non-volatile storage medium and an internal memory. The non-volatile storage medium stores an operating system, a computer program and a database. The internal memory provides an environment for the operation of the operating system and the computer program in the non-volatile storage medium. The database of the computer device is used to store the corresponding data in this embodiment. The network interface of the computer device is used to communicate with an external terminal through a network connection. The above method can be implemented when the computer program is executed by the processor.

[0032] Those skilled in the art will understand that Figure 3 The structure shown in the figure is merely a block diagram of a portion of the structure related to the solution of the present invention, and does not constitute a limitation on the computer device to which the solution of the present invention is applied.

[0033] An embodiment of the present invention further provides a computer-readable storage medium on which a computer program is stored, and when the computer program is executed by a processor, the above method is implemented. It can be understood that the computer-readable storage medium in this embodiment can be a volatile readable storage medium or a non-volatile readable storage medium.

[0034] In summary, the present invention monitors the actual torque value applied by the electric torque wrench in real time through a torque sensor; obtains a preset target torque value, and automatically adjusts the motor output torque of the electric torque wrench according to the target torque value and the actual torque value until the actual torque value reaches the target torque value; when the actual torque value reaches the target torque value, the electric torque wrench is controlled to stop, and the current working status is reported, and the working status includes the target torque value, the time to reach the target torque, the number of completions and the number of failures, so as to achieve the purpose of improving working efficiency and safety through intelligent control, precise torque adjustment, operation data recording and remote management in actual large bolt tightening operations.

[0035] Those skilled in the art can understand that all or part of the processes in the above-mentioned embodiment methods can be completed by instructing the relevant hardware through a computer program, and the computer program can be stored in a non-volatile computer-readable storage medium. When the computer program is executed, it can include the processes of the embodiments of the above-mentioned methods. Among them, any reference to memory, storage, database or other media provided by the present invention and used in the embodiments may include non-volatile and / or volatile memory. Non-volatile memory may include read-only memory (ROM), programmable ROM (PROM), electrically programmable ROM (EPROM), electrically erasable programmable ROM (EEPROM) or flash memory. Volatile memory may include random access memory (RAM) or external cache memory. As an illustration and not limitation, RAM is available in a variety of forms, such as static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double-speed data rate SDRAM (SSRSDRAM), enhanced SDRAM (ESDRAM), synchronous link (Synchlink) DRAM (SLDRAM), memory bus (Rambus) direct RAM (RDRAM), direct memory bus dynamic RAM (DRDRAM) and memory bus dynamic RAM.

[0036] It should be noted that, in this article, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, device, article or method including a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, device, article or method. In the absence of further restrictions, an element defined by the sentence "includes a ..." does not exclude the presence of other identical elements in the process, device, article or method including the element.

[0037] The above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the present invention specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. An intelligent torque feedback and adaptive adjustment method, characterized in that: The following steps are involved: The actual torque value applied by the electric torque wrench is monitored in real time by a torque sensor; Obtaining a preset target torque value, and automatically adjusting the motor output torque of the electric torque wrench according to the target torque value and the actual torque value until the actual torque value reaches the target torque value; When the actual torque value reaches the target torque value, the electric torque wrench is controlled to stop and the current working status is reported, wherein the working status includes the target torque value, the time to reach the target torque, the number of completions and the number of failures.

2. The intelligent torque feedback and adaptive adjustment method according to claim 1, characterized in that: Before obtaining the preset target torque value, the method further includes: The target torque value is set through an interactive interface, wherein the interactive interface includes a display interface and a torque adjustment button, wherein the display interface is used to display the target torque value, and the torque adjustment button is used to adjust the target torque value.

3. The intelligent torque feedback and adaptive adjustment method according to claim 2, characterized in that: The torque adjustment button includes an increase button and a decrease button; The target torque value is gradually increased by pressing the increase button until the torque upper limit is reached; The target torque value is gradually reduced by pressing the reduction button until the torque lower limit is reached; Each time the increase button or decrease button is pressed, a prompt sound is emitted.

4. The intelligent torque feedback and adaptive adjustment method according to claim 1, characterized in that: The step of automatically adjusting the motor output torque of the electric torque wrench according to the target torque value and the actual torque value comprises: Obtaining a difference between the target torque value and the actual torque value; According to the difference, a PID control algorithm is used to calculate the motor output adjustment amount; The motor output torque of the electric torque wrench is controlled according to the motor output adjustment amount.

5. The intelligent torque feedback and adaptive adjustment method according to claim 1, characterized in that: After the step of controlling the electric torque wrench to stop when the actual torque value reaches the target torque value, the method further includes: If the electric torque wrench is started again within the preset time, and the actual torque value finally reaches the target torque value, the tightening operation is recorded as successful and the number of completions is accumulated; If the electric torque wrench is not started again within the preset time, the tightening operation is recorded as a failure and the number of failures is accumulated.

6. The intelligent torque feedback and adaptive adjustment method according to claim 1, characterized in that: Also includes: Uploading the working status to the remote management platform in real time through the wireless communication module; If an abnormal situation occurs during the tightening operation, a control instruction is issued through the remote management platform to remotely cut off the power supply of the electric torque wrench.

7. The intelligent torque feedback and adaptive adjustment method according to claim 1, characterized in that: The electric torque wrench comprises a motor, a planetary gear reduction box and a multi-stage planetary gear torque multiplier; The rotation speed of the motor is reduced and the torque is increased through the planetary gear reduction box and the multi-stage planetary gear torque multiplier, and finally a large torque and a low rotation speed are output to perform a large bolt tightening operation.

8. An intelligent torque feedback and adaptive adjustment device, characterized in that: include: A data monitoring module, used for monitoring the actual torque value applied by the electric torque wrench in real time through a torque sensor; An adaptive adjustment module, used for obtaining a preset target torque value, and automatically adjusting the motor output torque of the electric torque wrench according to the target torque value and the actual torque value, until the actual torque value reaches the target torque value; The data feedback module is used to control the electric torque wrench to stop when the actual torque value reaches the target torque value, and report the current working status, wherein the working status includes the target torque value, the time to reach the target torque, the number of completions, and the number of failures.

9. A computer device comprising a memory and a processor, wherein a computer program is stored in the memory, wherein: When the processor executes the computer program, the steps of the intelligent torque feedback and adaptive adjustment method described in any one of claims 1 to 7 are implemented.

10. A computer-readable storage medium having a computer program stored thereon, characterized in that: When the computer program is executed by a processor, the steps of the intelligent torque feedback and adaptive adjustment method according to any one of claims 1 to 7 are implemented.

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