Fiber dryer fault detection method and device, optical fiber pay-off system and storage medium

Abstract

The invention discloses a fiber dryer fault detection method and device, an optical fiber pay-off system and a storage medium. The fiber dryer fault detection method is applied to an optical fiber pay-off system, the optical fiber pay-off system comprises a fiber dryer and a temperature detection unit, and the fiber dryer fault detection method comprises the steps that in the optical cable production process, an optical cable production control signal is acquired in real time, and the temperature detection unit is used for detecting the outlet temperature value of the fiber dryer; and determining whether the fiber dryer is in a shutdown state or not according to the optical cable production control signal, and determining whether the fiber dryer breaks down or not according to a result of determining whether the fiber dryer is in the shutdown state or not and the outlet temperature value. According to the invention, automatic fault detection, automatic alarm and automatic shutdown of the fiber dryer can be realized, manual high-frequency self-inspection is not needed any more, the degree of manual fatigue is reduced, potential safety hazards are eliminated, meanwhile, quality accidents of large-batch products are eliminated, and the reject ratio of continuous products in optical cable production is reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of optical fiber and optical cable production, and in particular to a fiber drying machine fault detection method and device, an optical fiber pay-off system and a storage medium. Background Art

[0002] Fiber optic cable is a communication cable that consists of two or more glass or plastic optical fiber cores that are located in a protective coating and covered by a plastic PVC outer casing. The most important control indicators in the fiber optic cable production process include fiber attenuation, steps, poor curves, etc. Especially in the production of butterfly cables, fiber moisture is the main factor causing fiber optic cable attenuation. Therefore, in the production of butterfly cables, it is necessary to add a fiber drying machine at the fiber laying point. However, due to the possibility of fiber drying machine failure during the production process, if it is not discovered in time, it will lead to poor quality of batch products.

[0003] Currently, fiber dryer failures are detected through manual self-inspection. The user puts their hand close to the air outlet of the fiber dryer to test the outlet temperature and then manually determines whether the fiber dryer has a failure. On the one hand, there are great safety hazards when manual self-inspection is performed close to the air outlet and rotating parts. On the other hand, if the frequency of manual self-inspection is high, objective factors such as fatigue may occur, which may affect the accuracy of fiber dryer failures. Summary of the invention

[0004] The present invention provides a fiber drying machine fault detection method, device, optical fiber pay-off system and storage medium to solve the problem that the current fiber drying machine fault self-checking relies on manual work, which has great potential safety hazards and low fault accuracy.

[0005] According to one aspect of the present invention, a fiber drying machine fault detection method is provided, and the fiber drying machine fault detection method is applied to an optical fiber pay-off system, and the optical fiber pay-off system includes a fiber drying machine and a temperature detection unit, and the fiber drying machine fault detection method includes:

[0006] During the production of the optical cable, the optical cable production control signal is obtained in real time, and the outlet temperature value of the fiber drying machine is detected by using the temperature detection unit;

[0007] Whether the fiber drying machine is in a shutdown state is determined according to the optical cable production control signal, and whether the fiber drying machine fails is determined according to the result of determining whether the fiber drying machine is in a shutdown state and the outlet temperature value.

[0008] Optionally, the optical cable production control signal includes an optical cable production working signal and an optical cable production shutdown signal;

[0009] Determining whether the fiber drying machine is in a shutdown state according to the optical cable production control signal includes:

[0010] If the optical cable production working signal is obtained, it is determined that the fiber drying machine is not in a shutdown state;

[0011] If the optical cable production shutdown signal is obtained, it is determined that the fiber drying machine is in a shutdown state.

[0012] Optionally, determining whether the fiber drying machine fails according to the result of determining whether the fiber drying machine is in a shutdown state and the outlet temperature value includes:

[0013] If it is determined that the fiber drying machine is not in a shutdown state, and the outlet temperature value is lower than a set temperature threshold, it is determined that the fiber drying machine is faulty;

[0014] If it is determined that the fiber drying machine is in a shutdown state and the outlet temperature value is lower than the set temperature threshold, it is determined that the fiber drying machine has no faults.

[0015] Optionally, the fiber drying machine fault detection method further includes:

[0016] When it is determined that the fiber drying machine fails, a fiber drying machine failure signal is generated to control the optical cable production line to shut down based on the fiber drying machine failure signal.

[0017] Optionally, the fiber drying machine fault detection method further includes:

[0018] When multiple optical cable production lines are producing optical cables at the same time, whether the fiber drying machine on each optical cable production line is faulty is determined accordingly based on the working status of the fiber drying machine on each optical cable production line and the outlet temperature value of the fiber drying machine.

[0019] Optionally, the fiber drying machine fault detection method is applied to a butterfly optical cable production line.

[0020] According to another aspect of the present invention, a fiber drying machine fault detection device is provided, and the fiber drying machine fault detection device is applied to an optical fiber pay-off system, and the optical fiber pay-off system includes a fiber drying machine and a temperature detection unit, and the fiber drying machine fault detection device includes:

[0021] A data acquisition module, used to acquire the optical cable production control signal in real time during the optical cable production process, and use the temperature detection unit to detect the outlet temperature value of the fiber drying machine;

[0022] The fiber drying machine fault detection module is used to determine whether the fiber drying machine is in a shutdown state according to the optical cable production control signal, and determine whether the fiber drying machine has a fault according to the result of determining whether the fiber drying machine is in a shutdown state and the outlet temperature value.

[0023] According to another aspect of the present invention, an electronic device is provided, wherein the optical fiber pay-off system comprises a fiber drying machine, an optical fiber tray, a temperature detection unit, and the fiber drying machine fault detection device according to any embodiment of the present invention;

[0024] The fiber drying machine is used to dry and heat the optical fiber on the optical fiber reel during the production process of the optical cable;

[0025] The temperature detection unit is used to detect the outlet temperature value of the fiber drying machine during the optical cable production process.

[0026] Optionally, the optical fiber pay-off system further includes an optical fiber pay-off rack;

[0027] The fiber drying machine, the temperature detection unit and the fiber tray are sequentially arranged on the fiber pay-off rack. The fiber drying machine faces the fiber tray, and the temperature detection unit is arranged between the fiber drying machine and the fiber tray.

[0028] According to another aspect of the present invention, a computer-readable storage medium is provided, wherein the computer-readable storage medium stores computer instructions, and the computer instructions are used to enable a processor to implement the fiber drying machine fault detection method described in any embodiment of the present invention when executed.

[0029] The technical solution of the embodiment of the present invention, the fiber drying machine fault detection method is applied to the optical fiber pay-off system, the optical fiber pay-off system includes a fiber drying machine and a temperature detection unit, the fiber drying machine fault detection method obtains the optical cable production control signal in real time during the optical cable production process, and uses the temperature detection unit to detect the outlet temperature value of the fiber drying machine; determines whether the fiber drying machine is in a shutdown state according to the optical cable production control signal, and determines whether the fiber drying machine has a fault according to the result of determining whether the fiber drying machine is in a shutdown state and the outlet temperature value. The present invention can realize automatic detection, automatic alarm and automatic shutdown of fiber drying machine faults, no longer requires manual high-frequency self-inspection, reduces manual fatigue and eliminates safety hazards, and at the same time eliminates large-scale product quality accidents and reduces the defective rate of continuous products in optical cable production.

[0030] It should be understood that the contents described in this section are not intended to identify the key or important features of the embodiments of the present invention, nor are they intended to limit the scope of the present invention. Other features of the present invention will become easily understood through the following description. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0032] Figure 1 is a flow chart of a fiber drying machine fault detection method provided according to an embodiment of the present invention;

[0033] Figure 2 is a structural schematic diagram of a fiber drying machine fault detection device provided according to an embodiment of the present invention;

[0034] Figures 3 to 5 Schematic diagram of the structure of an optical fiber pay-off system at various angles according to an embodiment of the present invention;

[0035] Figure 6 is a schematic structural diagram of an optical fiber disk provided according to an embodiment of the present invention;

[0036] Figure 7 It is a structural schematic diagram of a fiber drying machine provided according to an embodiment of the present invention. DETAILED DESCRIPTION

[0037] In order to enable those skilled in the art to better understand the scheme of the present invention, the technical scheme in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present invention.

[0038] It should be noted that the terms "first", "second", etc. in the specification and claims of the present invention and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present invention described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units that are clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0039] Figure 1A flowchart of a fiber drying machine fault detection method is provided for an embodiment of the present invention. This embodiment is applicable to the case where a fiber drying machine fails and an alarm can be automatically given during the production of optical cables. The fiber drying machine fault detection method can be performed by a fiber drying machine fault detection device. The fiber drying machine fault detection device can be implemented in the form of hardware and / or software. The fiber drying machine fault detection device can be configured in an optical fiber pay-off system. The fiber drying machine fault detection method is applied to an optical fiber pay-off system, which includes a fiber drying machine and a temperature detection unit, such as Figure 1 As shown, the fiber drying machine fault detection method includes:

[0040] S110. During the optical cable production process, the optical cable production control signal is obtained in real time, and the outlet temperature value of the fiber drying machine is detected by using a temperature detection unit.

[0041] Among them, during the production process of butterfly optical cables, if the optical fiber becomes damp, the butterfly optical cable will attenuate, which will lead to poor quality of the butterfly optical cable. Therefore, a fiber drying machine is added to the optical fiber pay-off system on the butterfly optical cable production line. The fiber drying machine is used to dry and preheat the optical fiber. The fiber drying machine can be implemented by a drying machine, a heating fan or other high-temperature heating equipment, and this embodiment does not impose any restrictions on this.

[0042] The fiber drying machine fault detection method in this embodiment is applied to a butterfly optical cable production line. During the butterfly optical cable production process, the optical cable production control signal is obtained in real time, and the outlet temperature value of the fiber drying machine is detected using a temperature detection unit.

[0043] In this embodiment, the fiber drying machine faces the optical fiber tray, and the temperature detection unit is disposed between the fiber drying machine and the optical fiber tray. The temperature detection unit can be used to detect the outlet temperature value of the fiber drying machine.

[0044] The temperature detection unit may be implemented using an existing temperature detection device such as a temperature sensor, and this embodiment does not impose any limitation on this.

[0045] It can be known that the outlet temperature value detection of the fiber dryer can ignore the working state of the fiber dryer, that is, when the fiber dryer is in working state, the outlet temperature value of the fiber dryer can be detected in real time; when the fiber dryer is in shutdown state, the outlet temperature value of the fiber dryer can still be detected in real time.

[0046] On the basis of the above, during the optical cable production process, the optical cable production line stops producing optical cables, or the optical cable production line is in a shutdown state, such as replacing optical fiber materials, that is, the optical cable production control signal is the optical cable production shutdown signal, and the fiber drying machine is in a shutdown state at this time, but the temperature detection unit still detects the outlet temperature value of the fiber drying machine, and the fiber drying machine is prone to false alarms.

[0047] When the optical cable production control signal is an optical cable production working signal, the temperature detection unit can be normally controlled to detect the outlet temperature of the fiber drying machine.

[0048] The optical cable production shutdown signal is used to indicate that the optical cable production line is in a shutdown state during the optical cable production process, and the optical cable production working signal is used to indicate that the optical cable production line is in a working state during the optical cable production process.

[0049] S120, determining whether the fiber drying machine is in a shutdown state according to the optical cable production control signal, and determining whether the fiber drying machine fails according to the result of determining whether the fiber drying machine is in a shutdown state and the outlet temperature value.

[0050] Specifically, in the optical cable production process, the relationship between the optical cable production control signal and whether the fiber drying machine is in a shutdown state is: if the optical cable production control signal is an optical cable production working signal, the fiber drying machine is in a working state, that is, the fiber drying machine is not in a shutdown state; if the optical cable production control signal is an optical cable production shutdown signal, the fiber drying machine does not need to be in a working state, that is, the fiber drying machine is in a shutdown state.

[0051] On the basis of the above, if it is determined that the fiber dryer is not in a shutdown state and the outlet temperature value is lower than the set temperature threshold, it is determined that the fiber dryer has a fault; if it is determined that the fiber dryer is not in a shutdown state and the outlet temperature value is not lower than the set temperature threshold, it is determined that the fiber dryer has no fault.

[0052] The set temperature threshold can be selected and set according to the temperature detection requirements of the fiber drying machine, and the set temperature threshold of this embodiment is not limited in any way. Optionally, the set temperature threshold can be 50°C.

[0053] If it is determined that the fiber dryer is in a shutdown state, the temperature detection unit is still detecting the outlet temperature of the fiber dryer at this time, but the outlet temperature value is lower than the set temperature threshold, and there is no need to report the fiber dryer fault automatic alarm, that is, no matter the outlet temperature value of the fiber dryer at this time is lower than or not lower than the set temperature threshold, it is impossible to judge whether the fiber dryer has a fault through the outlet temperature value of the fiber dryer. In this case, when the fiber dryer is in a shutdown state, even if the outlet temperature value is lower than the set temperature threshold, it can be determined that the fiber dryer has no fault.

[0054] On the basis of the above embodiment, when a fiber drying machine failure is determined, a fiber drying machine failure signal is generated to control the optical cable production line to stop based on the fiber drying machine failure signal.

[0055] Considering that currently fiber drying machine failures rely on manual self-inspection, the fiber drying machine failure detection efficiency is low and the detection is not timely, the fiber drying machine failure detection method of the present embodiment can be used to simultaneously perform fiber drying machine failure detection on the optical cable production processes of multiple optical cable production lines. Specifically, when multiple optical cable production lines are simultaneously producing optical cables, it is determined whether the fiber drying machine on each optical cable production line is faulty based on the working status of the fiber drying machine on each optical cable production line and the outlet temperature value of the fiber drying machine, thereby improving the fiber drying machine failure detection efficiency.

[0056] The technical solution of the embodiment of the present invention is that the fiber drying machine fault detection method is applied to the optical fiber pay-off system. The optical fiber pay-off system includes a fiber drying machine and a temperature detection unit. The fiber drying machine fault detection method obtains the optical cable production control signal in real time during the optical cable production process, and uses the temperature detection unit to detect the outlet temperature value of the fiber drying machine; determines whether the fiber drying machine is in a shutdown state according to the optical cable production control signal, and determines whether the fiber drying machine has a fault according to the result of determining whether the fiber drying machine is in a shutdown state and the outlet temperature value. The present invention can realize automatic detection, automatic alarm and automatic shutdown of fiber drying machine faults, and no longer requires manual high-frequency self-inspection, which reduces the degree of manual fatigue and eliminates safety hazards. At the same time, it eliminates large-scale product quality accidents and reduces the defective rate of continuous products in optical cable production.

[0057] Based on the same inventive concept, Figure 2 The present invention provides a schematic diagram of a fiber drying machine fault detection device. The fiber drying machine fault detection device is applied to an optical fiber pay-off system, and the optical fiber pay-off system includes a fiber drying machine and a temperature detection unit, such as Figure 2 As shown, the fiber drying machine fault detection device comprises:

[0058] The data acquisition module 210 is used to acquire the optical cable production control signal in real time during the optical cable production process, and detect the outlet temperature value of the fiber drying machine using the temperature detection unit;

[0059] The fiber drying machine fault detection module 220 is used to determine whether the fiber drying machine is in a shutdown state according to the optical cable production control signal, and determine whether the fiber drying machine has a fault according to the result of determining whether the fiber drying machine is in a shutdown state and the outlet temperature value.

[0060] Optionally, the optical cable production control signal includes an optical cable production working signal and an optical cable production shutdown signal;

[0061] Determine whether the fiber drying machine is in shutdown state according to the optical cable production control signal, specifically used for:

[0062] If the optical cable production working signal is obtained, it is determined that the fiber drying machine is not in a shutdown state;

[0063] If the optical cable production shutdown signal is obtained, it is determined that the fiber drying machine is in a shutdown state.

[0064] Optionally, determining whether the fiber drying machine fails is performed based on the result of determining whether the fiber drying machine is in a shutdown state and the outlet temperature value, specifically for:

[0065] If it is determined that the fiber drying machine is not in a shutdown state and the outlet temperature value is lower than the set temperature threshold, it is determined that the fiber drying machine is faulty;

[0066] If it is determined that the fiber drying machine is in a shutdown state and the outlet temperature value is lower than the set temperature threshold, it is determined that the fiber drying machine is not faulty.

[0067] Optionally, the fiber drying machine fault detection device further includes:

[0068] The fiber drying machine fault signal generating module is used to generate a fiber drying machine fault signal when determining that the fiber drying machine is faulty, so as to control the shutdown of the optical cable production line based on the fiber drying machine fault signal.

[0069] Optionally, the fiber drying machine fault detection device further includes:

[0070] The working module of multiple optical cable production lines is used to determine whether the fiber drying machine on each optical cable production line is faulty according to the working status of the fiber drying machine on each optical cable production line and the outlet temperature value of the fiber drying machine when multiple optical cable production lines are simultaneously producing optical cables.

[0071] Optionally, the fiber drying machine fault detection device is applied to the butterfly optical cable production line.

[0072] The fiber drying machine fault detection device provided in the embodiment of the present invention can execute the fiber drying machine fault detection method provided in any embodiment of the present invention, and has the corresponding functional modules and beneficial effects for executing the fiber drying machine fault detection method.

[0073] Based on the same inventive concept, Figures 3 to 5 It is a schematic diagram of the structure of an optical fiber pay-off system at various angles provided by an embodiment of the present invention. The optical fiber pay-off system includes a fiber drying machine 100, an optical fiber reel 300, a temperature detection unit 200 and a fiber drying machine fault detection device according to an embodiment of the present invention; the fiber drying machine 100 is used to dry and heat the optical fiber on the optical fiber reel 300 during the optical cable production process; the temperature detection unit 200 is used to detect the outlet temperature value of the fiber drying machine 100 during the optical cable production process.

[0074] The fiber drying machine fault detection device can be realized through the PLC main control system, that is, the fiber drying machine fault detection method is implemented in the PLC main control system, and a fiber drying machine fault signal is generated to control the optical cable production line to stop.

[0075] Continue to see Figures 3 to 7As shown, the optical fiber pay-out system also includes an optical fiber pay-out frame 400; a fiber drying machine 100, a temperature detection unit 200 and an optical fiber tray 300 are sequentially arranged on the optical fiber pay-out frame 400, the fiber drying machine 100 faces the optical fiber tray 300, and the temperature detection unit 200 is arranged between the fiber drying machine 100 and the optical fiber tray 300.

[0076] In some embodiments, the fiber drying machine fault detection method can be implemented as a computer program, which is tangibly contained in a computer-readable storage medium. Various embodiments of the systems and techniques described above in this article can be implemented in digital electronic circuit systems, integrated circuit systems, field programmable gate arrays (FPGAs), application-specific integrated circuits (ASICs), application-specific standard products (ASSPs), systems on chips (SOCs), load-programmable logic devices (CPLDs), computer hardware, firmware, software, and / or combinations thereof. These various embodiments may include: being implemented in one or more computer programs, which can be executed and / or interpreted on a programmable system including at least one programmable processor, which can be a dedicated or general-purpose programmable processor, which can receive data and instructions from a storage system, at least one input device, and at least one output device, and transmit data and instructions to the storage system, the at least one input device, and the at least one output device.

[0077] Computer programs for implementing the methods of the present invention may be written in any combination of one or more programming languages. These computer programs may be provided to a processor of a general-purpose computer, a special-purpose computer, or other programmable data processing device, so that when the computer program is executed by the processor, the functions / operations specified in the flow chart and / or block diagram are implemented. The computer program may be executed entirely on the machine, partially on the machine, partially on the machine and partially on a remote machine as a stand-alone software package, or entirely on a remote machine or server.

[0078] In the context of the present invention, a computer-readable storage medium may be a tangible medium that may contain or store a computer program for use by or in combination with an instruction execution system, device or equipment. A computer-readable storage medium may include, but is not limited to, electronic, magnetic, optical, electromagnetic, infrared, or semiconductor systems, devices or equipment, or any suitable combination of the foregoing. Alternatively, a computer-readable storage medium may be a machine-readable signal medium. A more specific example of a machine-readable storage medium may include an electrical connection based on one or more lines, a portable computer disk, a hard disk, a random access memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disk read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.

[0079] To provide interaction with a user, the systems and techniques described herein may be implemented on an electronic device having: a display device (e.g., a CRT (cathode ray tube) or LCD (liquid crystal display) monitor) for displaying information to the user; and a keyboard and a pointing device (e.g., a mouse or trackball) through which the user can provide input to the electronic device. Other types of devices may also be used to provide interaction with the user; for example, the feedback provided to the user may be any form of sensory feedback (e.g., visual feedback, auditory feedback, or tactile feedback); and input from the user may be received in any form (including acoustic input, voice input, or tactile input).

[0080] The systems and techniques described herein may be implemented in a computing system that includes backend components (e.g., as a data server), or a computing system that includes middleware components (e.g., an application server), or a computing system that includes frontend components (e.g., a user computer with a graphical user interface or a web browser through which a user can interact with implementations of the systems and techniques described herein), or a computing system that includes any combination of such backend components, middleware components, or frontend components. The components of the system may be interconnected by any form or medium of digital data communication (e.g., a communication network). Examples of communication networks include: a local area network (LAN), a wide area network (WAN), a blockchain network, and the Internet.

[0081] A computing system may include a client and a server. The client and the server are generally remote from each other and usually interact through a communication network. The client and server relationship is generated by computer programs running on the corresponding computers and having a client-server relationship with each other. The server may be a cloud server, also known as a cloud computing server or cloud host, which is a host product in the cloud computing service system to solve the defects of difficult management and weak business scalability in traditional physical hosts and VPS services.

[0082] It should be understood that the various forms of processes shown above can be used to reorder, add or delete steps. For example, the steps described in the present invention can be executed in parallel, sequentially or in different orders, as long as the desired results of the technical solution of the present invention can be achieved, and this document does not limit this.

[0083] The above specific implementations do not constitute a limitation on the protection scope of the present invention. It should be understood by those skilled in the art that various modifications, combinations, sub-combinations and substitutions can be made according to design requirements and other factors. Any modification, equivalent substitution and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A fiber drying machine fault detection method, characterized in that: The fiber drying machine fault detection method is applied to an optical fiber pay-off system, the optical fiber pay-off system includes a fiber drying machine and a temperature detection unit, and the fiber drying machine fault detection method includes: During the production of the optical cable, the optical cable production control signal is obtained in real time, and the outlet temperature value of the fiber drying machine is detected by using the temperature detection unit; Whether the fiber drying machine is in a shutdown state is determined according to the optical cable production control signal, and whether the fiber drying machine fails is determined according to the result of determining whether the fiber drying machine is in a shutdown state and the outlet temperature value.

2. The fiber drying machine fault detection method according to claim 1, characterized in that: The optical cable production control signal includes an optical cable production working signal and an optical cable production shutdown signal; Determining whether the fiber drying machine is in a shutdown state according to the optical cable production control signal includes: If the optical cable production working signal is obtained, it is determined that the fiber drying machine is not in a shutdown state; If the optical cable production shutdown signal is obtained, it is determined that the fiber drying machine is in a shutdown state.

3. The fiber drying machine fault detection method according to claim 2, characterized in that: Determining whether the fiber drying machine fails according to the result of determining whether the fiber drying machine is in a shutdown state and the outlet temperature value includes: If it is determined that the fiber drying machine is not in a shutdown state, and the outlet temperature value is lower than a set temperature threshold, it is determined that the fiber drying machine is faulty; If it is determined that the fiber drying machine is in a shutdown state and the outlet temperature value is lower than the set temperature threshold, it is determined that the fiber drying machine has no faults.

4. The fiber drying machine fault detection method according to claim 1, characterized in that: The fiber drying machine fault detection method further comprises: When it is determined that the fiber drying machine fails, a fiber drying machine failure signal is generated to control the optical cable production line to stop based on the fiber drying machine failure signal.

5. The fiber drying machine fault detection method according to claim 1, characterized in that: The fiber drying machine fault detection method further comprises: When multiple optical cable production lines are producing optical cables at the same time, whether the fiber drying machine on each optical cable production line is faulty is determined accordingly based on the working status of the fiber drying machine on each optical cable production line and the outlet temperature value of the fiber drying machine.

6. The fiber drying machine fault detection method according to claim 1, characterized in that: The fiber drying machine fault detection method is applied to a butterfly optical cable production line.

7. A fiber drying machine fault detection device, characterized in that: The fiber drying machine fault detection device is applied to an optical fiber pay-off system, the optical fiber pay-off system comprises a fiber drying machine and a temperature detection unit, and the fiber drying machine fault detection device comprises: A data acquisition module, used to acquire the optical cable production control signal in real time during the optical cable production process, and use the temperature detection unit to detect the outlet temperature value of the fiber drying machine; The fiber drying machine fault detection module is used to determine whether the fiber drying machine is in a shutdown state according to the optical cable production control signal, and determine whether the fiber drying machine has a fault according to the result of determining whether the fiber drying machine is in a shutdown state and the outlet temperature value.

8. An optical fiber pay-off system, characterized in that: The optical fiber pay-off system comprises a fiber drying machine, an optical fiber tray, a temperature detection unit, and the fiber drying machine fault detection device according to claim 7; The fiber drying machine is used to dry and heat the optical fiber on the optical fiber reel during the production process of the optical cable; The temperature detection unit is used to detect the outlet temperature value of the fiber drying machine during the optical cable production process.

9. The optical fiber pay-off system according to claim 8, characterized in that: The optical fiber pay-off system also includes an optical fiber pay-off frame; The fiber drying machine, the temperature detection unit and the fiber tray are sequentially arranged on the fiber pay-off rack. The fiber drying machine faces the fiber tray, and the temperature detection unit is arranged between the fiber drying machine and the fiber tray.

10. A computer-readable storage medium, characterized in that: The computer-readable storage medium stores computer instructions, and the computer instructions are used to enable a processor to implement the fiber drying machine fault detection method according to any one of claims 1 to 6 when executed.

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