Method and device for detecting a light-triggered channel of a light-controlled thyristor
By sending the channel selection signal sequence and determining the timing of the optical receiver board in the optical control converter valve, the problem of low detection efficiency of the optical trigger channel is solved, realizing efficient offline self-testing and fault verification, and reducing fiber loss and the risk of fault tripping.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- XIDIAN POWER RECTIFIER XIAN
- Filing Date
- 2023-02-08
- Publication Date
- 2026-05-12
AI Technical Summary
Existing detection methods for optical trigger channels of optically controlled converter valves are inefficient and cumbersome to troubleshoot, which may damage optical fibers and make it impossible to verify the effectiveness of troubleshooting.
By sending a channel selection signal sequence to the VBE optical transmitter board, the timing sequence of multiple optical receiver boards that receive the channel detection signal is determined. Based on the timing sequence, the optical trigger channel detection result of the optical control converter valve is determined, realizing offline self-testing and avoiding fiber optic plugging and unplugging.
It improves the detection efficiency of the optical trigger channel of the optical control converter valve, reduces the risk of fault tripping, simplifies the detection process, and realizes offline self-testing and fault verification of the optical trigger channel.
Smart Images
Figure CN116192253B_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of DC power transmission technology, and in particular to a method and apparatus for detecting the optical triggering channel of an optically controlled converter valve. Background Technology
[0002] This section is intended to provide background or context for the embodiments of the invention set forth in the claims. The description herein is not an admission that it is prior art simply because it is included in this section.
[0003] Currently, optical trigger channel detection for optically controlled converter valves can only be achieved when the converter valve is unlocked. If there is a fault in the trigger channel of the optical transmitter board of the valve base electronics (VBE) before the converter valve is unlocked, it may cause the converter valve to trip. However, troubleshooting methods are cumbersome, complex, and inefficient, requiring repeated plugging and unplugging of optical fibers, which may damage the fibers. After troubleshooting, it is impossible to verify whether the troubleshooting work was effective.
[0004] In summary, there is an urgent need for a detection method for the optical triggering channel of an optically controlled converter valve to solve the problems existing in the above-mentioned technologies. Summary of the Invention
[0005] This invention provides a method for detecting the optical trigger channel of a light-controlled converter valve, to improve the efficiency of detecting the optical trigger channel of the light-controlled converter valve. The method includes:
[0006] A channel selection signal sequence is sent to the VBE's optical transmitter board at a preset period; the channel selection signal sequence is used to indicate the order of channel detection.
[0007] Determine the channel detection sequence based on the channel selection signal sequence;
[0008] The timing sequence of multiple optical receivers that receive the channel detection signal is determined; the channel detection signal is sent by the VBE optical transmitter to the corresponding optical distributor according to the channel selection signal sequence.
[0009] The optical trigger channel detection result of the optical control converter valve is determined based on the timing sequence of multiple optical receiving boards that receive the channel detection signal and the channel detection sequence.
[0010] This invention also provides a detection device for the optical triggering channel of an optically controlled converter valve, to improve the efficiency of optical triggering channel detection in the optically controlled converter valve. The device includes:
[0011] The channel selection module is used to send a channel selection signal sequence to the VBE optical transmitter board at a preset period; the channel selection signal sequence is used to indicate the channel detection order; and the channel detection sequence is determined based on the channel selection signal sequence.
[0012] The detection module is used to determine the timing of multiple optical receiver boards that receive the channel detection signal; the channel detection signal is sent by the VBE optical transmitter board to the corresponding optical distributor according to the channel selection signal sequence; the optical trigger channel detection result of the optical control converter valve is determined based on the timing of the multiple optical receiver boards that receive the channel detection signal and the channel detection sequence.
[0013] This invention also provides a computer device, including a memory, a processor, and a computer program stored in the memory and executable on the processor. When the processor executes the computer program, it implements the above-described optical trigger channel detection method for optically controlled converter valves.
[0014] This invention also provides a computer-readable storage medium storing a computer program that, when executed by a processor, implements the above-described optical trigger channel detection method for optically controlled converter valves.
[0015] This invention also provides a computer program product, which includes a computer program that, when executed by a processor, implements the above-described optical trigger channel detection method for optically controlled converter valves.
[0016] In this embodiment of the invention, a channel selection signal sequence is sent to the VBE optical transmitter board according to a preset period; the timing sequence of multiple optical receiver boards receiving the channel detection signal is determined; and the optical trigger channel detection result of the optically controlled converter valve is determined based on the timing sequence of the multiple optical receiver boards receiving the channel detection signal and the channel detection sequence. Compared with the prior art, determining the optical trigger channel detection result of the optically controlled converter valve based on the timing sequence of the multiple optical receiver boards receiving the channel detection signal and the channel detection sequence does not require the connection of additional equipment or the plugging and unplugging of the installed optical fiber, avoiding fiber loss, improving the efficiency of optical trigger channel detection of the optically controlled converter valve, realizing the offline self-test function of the optical trigger channel, enabling the converter valve to perform trigger channel detection before charging, reducing the risk of the converter valve tripping due to trigger channel failure. After the fault handling is completed, the effectiveness of the fault elimination work can be verified in a timely manner. Attached Figure Description
[0017] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. In the drawings:
[0018] Figure 1 This is a flowchart illustrating the optical triggering channel detection method for the optically controlled converter valve provided by the present invention.
[0019] Figure 2 This is a flowchart illustrating the optical triggering channel detection method for the optically controlled converter valve provided by the present invention.
[0020] Figure 3 This is a flowchart illustrating the optical triggering channel detection method for the optically controlled converter valve provided by the present invention.
[0021] Figure 4 This is a flowchart illustrating the optical triggering channel detection method for the optically controlled converter valve provided by the present invention.
[0022] Figure 5 This is a schematic diagram of the optical triggering channel detection device for the optically controlled converter valve provided by the present invention. Detailed Implementation
[0023] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be further described in detail below with reference to the accompanying drawings. Here, the illustrative embodiments of the present invention and their descriptions are used to explain the present invention, but are not intended to limit the present invention.
[0024] Figure 1 This is a flowchart illustrating a method for detecting the optical trigger channel of a photoelectric converter valve according to an embodiment of the present invention, as shown below. Figure 1 As shown, the method includes:
[0025] Step 101: Send a channel selection signal sequence to the VBE optical transmitter board according to a preset period.
[0026] It should be noted that the channel selection signal sequence is used to indicate the order of channel detection.
[0027] In this embodiment of the invention, when the valve-controlled device (VBE) enters the optical trigger channel detection mode, the VBE settings are adjusted so that the VBE does not detect signals sent by the PCP control system.
[0028] It should be noted that VBE does not detect unlock and charging signals issued by the PCP control system.
[0029] In one possible implementation, the VBE's optical transmitter periodically sends optical pulses with a pulse width of 10µs to the optical distributor MSC. When the MSC receives the optical pulse with a pulse width of 10µs, it returns a feedback pulse to the VBE's optical receiver for triggering channel detection. If the VBE's optical receiver receives the feedback pulse, it determines whether the triggering loop is normal according to the triggering channel detection logic.
[0030] Step 102: Determine the channel detection sequence based on the channel selection signal sequence.
[0031] In this embodiment of the invention, a converter valve selection signal sequence and an optical emitter board selection signal sequence are sent to the VBE optical emitter board according to a preset period.
[0032] In one possible implementation, two types of signals, SWEN and TRIG, are introduced as channel selection conditions to trigger the inspection function.
[0033] The software enable signal SWEN is used to generate a sequence of converter valve segment selection signals to distinguish converter valve segments, and the TRIG signal is used to select the light emitting board.
[0034] For example, VBE uses 6 light emitting boards, and the converter valve is divided into valve 1 and valve 2.
[0035] like Figure 2 As shown, LE represents the light emitting board, TRIG1 indicates that the 1st and 4th light emitting boards are selected for channel inspection, TRIG2 indicates that the 2nd and 5th light emitting boards are selected for channel inspection, and TRIG3 indicates that the 3rd and 6th light emitting boards are selected for channel inspection. SWEN1 indicates that valve 1 is selected for channel inspection, and SWEN2 indicates that valve 2 is selected for channel inspection.
[0036] Step 103: Determine the timing sequence of the multiple optical receiver boards that receive the channel detection signal.
[0037] It should be noted that the channel detection signal is sent by the VBE's optical transmitter to the corresponding optical distributor according to the channel selection signal sequence.
[0038] In this embodiment of the invention, there is a mapping relationship between the optical transmitter channels and the optical receiver channels of the VBE. For example, the optical signals transmitted by the U1 channel of the optical transmitters LE1, LE2, and LE3 are received by the optical receiver LR1 after passing through the optical splitter; the optical signals transmitted by the U2 channel of the optical transmitters LE1, LE2, and LE3 are received by the optical receiver LR2 after passing through the optical splitter; and the optical signals transmitted by the U3 channel of the optical transmitters LE1, LE2, and LE3 are received by the optical receiver LR3 after passing through the optical splitter.
[0039] Step 104: Determine the optical trigger channel detection result of the optical control converter valve based on the timing of the multiple optical receiving boards that received the channel detection signal and the channel detection sequence.
[0040] For example, when both the TRIG and SWEN signals are 1, six channels (U1 to U3) of LE1 and LE4 are selected for detection, while the other four optical emitting boards do not emit light. After the optical signal passes through the optical distributor MSC, it returns to the six receiving boards (LR1 to LR6). The VBE device determines whether the optical transmission loop is normal based on the timing and intensity of the received optical signal.
[0041] The above scheme determines the optical trigger channel detection result of the optically controlled converter valve based on the timing sequence of multiple optical receiving boards receiving channel detection signals and the channel detection sequence. It eliminates the need for additional equipment and plugging / unplugging of existing optical fibers, avoiding fiber loss and improving the efficiency of optical trigger channel detection for the optically controlled converter valve. It also enables offline self-testing of the optical trigger channel, allowing the converter valve to perform trigger channel detection before charging, reducing the risk of tripping due to trigger channel failure. Furthermore, it allows for timely verification of the effectiveness of troubleshooting after fault handling.
[0042] Before sending the channel selection signal sequence to the VBE optical transmitter board according to a preset period, the process flow of this embodiment of the invention is as follows: Figure 3 As shown, the details are as follows:
[0043] Step 301: Determine that VBE has entered the optical trigger channel detection mode.
[0044] Step 302: Adjust the VBE settings so that VBE does not detect signals sent by the PCP control system.
[0045] When VBE does not receive control signals from the PCP control system, it enters the optical trigger channel detection mode and automatically sends out trigger pulses.
[0046] In this embodiment of the invention, to prevent the converter valve from being in a continuously conducting state and thus causing the risk of false triggering, the VBE automatically exits the optical trigger channel detection mode after completing one detection.
[0047] The above solution addresses the issue that the converter valve cannot perform channel detection during power outages (before charging and unlocking). By shielding the control signal from the PCP in the traditional channel detection startup logic and replacing it with autonomous control by the VBE device, offline self-testing of the triggered channel can be achieved, enabling the converter valve to perform channel detection at any time during power outages.
[0048] In step 104 of this embodiment of the invention, the optical triggering channel detection result of the optical control converter valve is determined based on the timing sequence of the multiple optical receiving boards that have received the channel detection signal and the channel detection sequence. The process flow is as follows: Figure 4 As shown, the details are as follows:
[0049] Step 401: When the timing of multiple optical receiving boards that receive the channel detection signal is consistent with the channel detection sequence, it is determined that there is no fault in the optical trigger channel of the optical control converter valve.
[0050] Step 402: When the timing of multiple optical receiving boards that receive channel detection signals is inconsistent with the channel detection sequence, it is determined that there is a fault in the optical trigger channel of the optical control converter valve.
[0051] For example, when the U1 channel of the LE1 optical transmitter performs channel detection, if the timing and intensity of the optical signal returned to the receiver via the optical distributor MSC meet the requirements, then the trigger channel is not faulty; if the returned timing is incorrect or the optical intensity is insufficient, then the channel is faulty.
[0052] In this embodiment of the invention, when there is a fault in the optical triggering channel of the optically controlled converter valve, the fault information is uploaded to the HMI (Human Machine Interface) so that the fault information is displayed through the indicator lights on the HMI.
[0053] When a fault occurs in the optical trigger channel of the optical converter valve, the VCM chassis transmits the fault information to the VMU chassis via the CAN communication line. The VMU chassis then uploads the information to the HMI (Human Machine Interface) via MODBUS communication. The HMI displays the status of all optical ports on the VBE (Vibration Array Electronics Board), and the status changes according to the detection results, facilitating recording and troubleshooting by maintenance personnel.
[0054] For example, if there is a fault in the optical trigger channel of the optical converter valve, the indicator light of the corresponding optical trigger channel on the HMI will turn red; if the optical trigger channel is normal, the indicator light on the corresponding HMI will turn green.
[0055] In this embodiment of the invention, if a fault occurs in the optical trigger channel during the trigger channel inspection mode, the fault information will not be sent to the PCP control system, and the indicator light status of the faulty channel will be retained until the optical trigger channel is detected to be in a normal state.
[0056] The above solution simplifies and visualizes the detection of the optical trigger channel by connecting to the HMI (Human Machine Interface), enabling on-site display of detection results. This facilitates recording and maintenance by operators, significantly reduces the additional equipment required by traditional detection methods, simplifies the maintenance process, and shortens the detection cycle of the optical trigger channel.
[0057] In this embodiment of the invention, when a fault occurs in the trigger channel, if the thyristor is under a positive voltage and in a conductive state, or if the converter valve is energized but not unlocked, the inspection trigger pulse will activate the thyristor. To avoid such situations and ensure the stability of the converter valve and valve control system, when the valve control system detects a charging or unlocking signal from the converter valve, the valve control device VBE cannot enter offline self-test mode.
[0058] This invention also provides an automatic task completion device for a scheduling system, as described in the following embodiments. This device... Figure 5 As shown, the device includes:
[0059] The channel selection module 501 is used to send a channel selection signal sequence to the VBE optical transmitter board according to a preset period; the channel selection signal sequence is used to indicate the channel detection order; and the channel detection sequence is determined according to the channel selection signal sequence.
[0060] The detection module 502 is used to determine the timing sequence of multiple optical receiving boards that receive the channel detection signal; the channel detection signal is sent by the VBE optical emitting board to the corresponding optical distributor according to the channel selection signal sequence; the optical triggering channel detection result of the optical control converter valve is determined according to the timing sequence of the multiple optical receiving boards that receive the channel detection signal and the channel detection sequence.
[0061] The channel selection module 501 is also used for:
[0062] Before sending the channel selection signal sequence to the VBE's optical transmitter board according to a preset period, it is determined that the VBE enters the optical trigger channel detection mode;
[0063] Adjust the VBE settings so that VBE does not detect signals from the PCP control system.
[0064] The channel selection module 501 is specifically used for:
[0065] The converter valve selection signal sequence and the optical emitter board selection signal sequence are sent to the VBE optical emitter board according to a preset cycle.
[0066] The detection module 502 is specifically used for:
[0067] When the timing of multiple optical receiving boards that receive channel detection signals is consistent with the channel detection sequence, it is determined that there is no fault in the optical triggering channel of the optical control converter valve;
[0068] When the timing of multiple optical receiver boards receiving channel detection signals is inconsistent with the channel detection sequence, it is determined that there is a fault in the optical trigger channel of the optical control converter valve.
[0069] The detection module 502 is also used for:
[0070] After determining the detection results of the optical trigger channel of the optical converter valve, if there is a fault in the optical trigger channel of the optical converter valve, the fault information is uploaded to the HMI (Human Machine Interface) so that the fault information is displayed through the indicator lights on the HMI.
[0071] Since the principle behind this device for solving the problem is similar to that of the optical trigger channel detection method for optically controlled converter valves, the implementation of this device can be found in the implementation of the optical trigger channel detection method for optically controlled converter valves, and the repetitive parts will not be repeated.
[0072] This invention also provides a computer device, including a memory, a processor, and a computer program stored in the memory and executable on the processor. When the processor executes the computer program, it implements the above-described optical trigger channel detection method for optically controlled converter valves.
[0073] This invention also provides a computer-readable storage medium storing a computer program that, when executed by a processor, implements the above-described optical trigger channel detection method for optically controlled converter valves.
[0074] This invention also provides a computer program product, which includes a computer program that, when executed by a processor, implements the above-described optical trigger channel detection method for optically controlled converter valves.
[0075] In this embodiment of the invention, a channel selection signal sequence is sent to the VBE optical transmitter board according to a preset period; the timing sequence of multiple optical receiver boards receiving the channel detection signal is determined; and the optical trigger channel detection result of the optically controlled converter valve is determined based on the timing sequence of the multiple optical receiver boards receiving the channel detection signal and the channel detection sequence. Compared with the prior art, determining the optical trigger channel detection result of the optically controlled converter valve based on the timing sequence of the multiple optical receiver boards receiving the channel detection signal and the channel detection sequence does not require the connection of additional equipment or the plugging and unplugging of the installed optical fiber, avoiding fiber loss, improving the efficiency of optical trigger channel detection of the optically controlled converter valve, realizing the offline self-test function of the optical trigger channel, enabling the converter valve to perform trigger channel detection before charging, reducing the risk of the converter valve tripping due to trigger channel failure. After the fault handling is completed, the effectiveness of the fault elimination work can be verified in a timely manner.
[0076] 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.
[0077] 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.
[0078] 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.
[0079] 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.
[0080] The specific embodiments described above further illustrate the purpose, technical solution, and beneficial effects of the present invention. It should be understood that the above descriptions are merely specific embodiments of the present invention and are not intended to limit the scope of protection of the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the scope of protection of the present invention.
Claims
1. A method for detecting the optical triggering channel of a photoelectric converter valve, characterized in that, include: The channel selection signal sequence is sent to the optical emitting board of the valve control equipment (VBE) according to a preset period. The channel selection signal sequence is used to indicate the order of channel detection. The channel selection signal sequence includes a TRIG signal and a SWEN signal. The SWEN signal is used to generate the valve section selection signal sequence of the converter valve, and the TRIG signal is used to select the optical emitting board. Determine the channel detection sequence based on the channel selection signal sequence; The timing sequence of multiple optical receivers that receive the channel detection signal is determined; the channel detection signal is sent by the VBE optical transmitter to the corresponding optical distributor according to the channel selection signal sequence. The optical trigger channel detection result of the optical control converter valve is determined based on the timing sequence of multiple optical receiving boards that receive channel detection signals and the channel detection sequence. The optical trigger channel detection result of the optically controlled converter valve is determined based on the timing sequence of multiple optical receiver boards receiving channel detection signals and the channel detection sequence, including: When the timing of multiple optical receiving boards that receive channel detection signals is consistent with the channel detection sequence, it is determined that there is no fault in the optical triggering channel of the optical control converter valve; When the timing of multiple optical receiving boards that receive channel detection signals is inconsistent with the channel detection sequence, it is determined that there is a fault in the optical triggering channel of the optical control converter valve. There is a mapping relationship between the optical transmitter channel and the optical receiver channel of the VBE; the VBE device determines whether the optical transmission loop is normal based on the timing and intensity of the received optical signal; if the timing and intensity of the optical signal returned to the receiver through the optical distributor MSC meet the requirements, then the triggering channel is not faulty; if the returned timing is incorrect or the optical intensity is insufficient, then the channel is faulty. Before sending the channel selection signal sequence to the VBE's optical transmitter board according to a preset period, the process also includes: Confirm that VBE has entered the optical trigger channel detection mode; Adjust the VBE settings so that VBE does not detect signals from the PCP control system.
2. The detection method for the optical trigger channel of the optically controlled converter valve as described in claim 1, characterized in that, The step of sending a channel selection signal sequence to the VBE optical transmitter board according to a preset period includes: The converter valve selection signal sequence and the optical emitter board selection signal sequence are sent to the VBE optical emitter board according to a preset cycle.
3. The detection method for the optical trigger channel of the optically controlled converter valve as described in claim 1, characterized in that, After determining the detection results of the optical triggering channel of the optically controlled converter valve, the following is also included: When there is a fault in the optical trigger channel of the optical converter valve, the fault information is uploaded to the HMI (Human Machine Interface) so that the fault information is displayed by the indicator lights on the HMI.
4. A detection device for the optical triggering channel of a photoelectric converter valve, characterized in that, include: The channel selection module is used to send a channel selection signal sequence to the optical emitting board of the valve control equipment (VBE) according to a preset period. The channel selection signal sequence is used to indicate the channel detection order. The channel detection sequence is determined based on the channel selection signal sequence. The channel selection signal sequence includes a TRIG signal and a SWEN signal. The SWEN signal is used to generate the valve section selection signal sequence of the converter valve, and the TRIG signal is used to select the optical emitting board. The detection module is used to determine the timing sequence of multiple optical receivers that receive the channel detection signal; the channel detection signal is sent by the VBE optical transmitter to the corresponding optical distributor according to the channel selection signal sequence; the detection result of the optical trigger channel of the optical control converter valve is determined according to the timing sequence of the multiple optical receivers that receive the channel detection signal and the channel detection sequence. The detection module is specifically used for: When the timing of multiple optical receiving boards that receive channel detection signals is consistent with the channel detection sequence, it is determined that there is no fault in the optical triggering channel of the optical control converter valve; When the timing of multiple optical receiving boards that receive channel detection signals is inconsistent with the channel detection sequence, it is determined that there is a fault in the optical triggering channel of the optical control converter valve. There is a mapping relationship between the optical transmitter channel and the optical receiver channel of the VBE; The VBE device determines whether the optical transmission loop is normal based on the timing and intensity of the received optical signal. If the timing and intensity of the optical signal returned to the receiving board through the optical distributor MSC meet the requirements, then the triggering channel is not faulty. If the returned timing is incorrect or the optical intensity is insufficient, then the channel is faulty. The channel selection module is also used for: Before sending the channel selection signal sequence to the VBE's optical transmitter board according to the preset cycle, it is determined that the VBE enters the optical trigger channel detection mode; Adjust the VBE settings so that VBE does not detect signals from the PCP control system.
5. The optical triggering channel detection device for the optically controlled converter valve as described in claim 4, characterized in that, The channel selection module is specifically used for: The converter valve selection signal sequence and the optical emitter board selection signal sequence are sent to the VBE optical emitter board according to a preset cycle.
6. The optical triggering channel detection device for the optically controlled converter valve as described in claim 4, characterized in that, The detection module is also used for: After determining the detection results of the optical trigger channel of the optical converter valve, if there is a fault in the optical trigger channel of the optical converter valve, the fault information is uploaded to the HMI (Human Machine Interface) so that the fault information is displayed through the indicator lights on the HMI.
7. A computer device, comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, characterized in that, When the processor executes the computer program, it implements the method of any one of claims 1 to 3.
8. A computer-readable storage medium, characterized in that, The computer-readable storage medium stores a computer program that, when executed by a processor, implements the method of any one of claims 1 to 3.
9. A computer program product, characterized in that, The computer program product includes a computer program that, when executed by a processor, implements the method of any one of claims 1 to 3.