An elevator maintenance operation control method

By setting elevator maintenance mode priorities and controlling elevator maintenance speed in conjunction with external signals, the problem of inaccurate stopping position during elevator maintenance has been solved, improving safety and efficiency, and optimizing passenger comfort and maintenance time.

CN119637662BActive Publication Date: 2026-01-02HITACHI BUILDING TECH GUANGZHOU CO LTD
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Patent Information

Application Number
CN202510075380.3
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-01-17
Publication Date
2026-01-02
Estimated Expiration
2045-01-17

AI Technical Summary

Technical Problem

Existing elevators are difficult to control accurately at the stopping position during maintenance, resulting in insufficient safety and low efficiency. Furthermore, elevator operation in high-rise buildings affects work efficiency.

Method used

By setting the priority of the elevator maintenance mode and combining external signals with the maintenance mode to determine the maintenance speed, the maintenance running time is recorded to accurately control the elevator stop time and position. Various external signals (such as limit switch signals, forced deceleration switch signals, and car counterweight approach signals) are used for precise control.

Benefits of technology

It improves the safety and efficiency of elevator maintenance, optimizes passenger comfort, saves maintenance time, and enhances the convenience of on-site operations.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The application relates to the elevator maintenance technical field, and discloses an elevator maintenance operation control method, which comprises the following steps: obtaining a maintenance mode of an elevator, and setting a priority of the maintenance mode; determining the maintenance mode and corresponding maintenance speed V4 according to an external signal and the priority of the maintenance mode; obtaining an elevator maintenance operation direction and detecting the external signal; when the elevator maintenance operation direction is upward, recording a maintenance operation time t, and determining a maintenance target speed V repair according to the external signal, the corresponding maintenance speed V4 and the maintenance operation time t; when the elevator maintenance operation direction is downward, recording a maintenance operation time t, and determining a maintenance target speed V repair according to the external signal, the corresponding maintenance speed V4 and the maintenance operation time t. The elevator maintenance operation control method provided by the application improves the convenience and safety of field operation under the premise of optimizing passenger comfort and saving maintenance time.
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Description

TECHNICAL FIELD

[0001] The present application relates to the elevator maintenance technical field, and particularly relates to an elevator maintenance operation control method. BACKGROUND

[0002] When the existing elevator is in the maintenance state for checking, adjusting, repairing and the like, and needs to be stopped due to abnormalities after starting, the elevator has a certain stroke, and the safety is not guaranteed. In particular, when the AN is running, the parts of the elevator are in the initial installation stage, and the installation position is uncertain, which is easy to cause collision.

[0003] When the elevator is in the installation and maintenance operation, and needs to be accurately aligned for the floor, the door blade, the door wheel, the magnetic plate and the like, the acceleration of the elevator is too large within 2s before starting, and it is difficult to grasp the time and position of the elevator stop, and the elevator needs to be repeatedly run many times to align the position to be stopped. Not only is the efficiency low, but also the accuracy is not high, and the elevator is also worn out due to frequent electric driving. In addition, with the increase of high-rise buildings in China at present, the existing 15m / min elevator speed running in the shaft will affect the work efficiency. SUMMARY

[0004] The present application provides an elevator maintenance operation control method, which improves the convenience and safety of the on-site operation under the premise of optimizing the passenger comfort and saving the maintenance time.

[0005] The present application provides an elevator maintenance operation control method, which comprises:

[0006] The maintenance mode of the elevator is obtained, and the priority of the maintenance mode is set; wherein the maintenance mode comprises machine room maintenance, car roof maintenance, in-car maintenance and pit maintenance;

[0007] The maintenance mode and the corresponding maintenance speed V4 are determined according to the external signal and the priority of the maintenance mode; wherein the external signal comprises the upper level forced deceleration switch signal, the lower level forced deceleration switch signal, the upper limit switch signal, the lower limit switch signal and the car and counterweight proximity signal;

[0008] The elevator maintenance operation direction is obtained, and the external signal is detected; wherein the elevator maintenance operation direction comprises uplink and downlink;

[0009] When the elevator maintenance operation direction is uplink, the maintenance operation time t is recorded, and the maintenance target speed V repair is determined according to the external signal, the corresponding maintenance speed V4 and the maintenance operation time t.

[0010] When the elevator maintenance operation direction is downlink, the maintenance operation time t is recorded, and the maintenance target speed V repair is determined according to the external signal, the corresponding maintenance speed V4 and the maintenance operation time t.

[0011] Further, in the step of acquiring the maintenance mode of the elevator and setting the priority of the maintenance mode, the priority of the maintenance mode is set as: roof maintenance → pit maintenance → in-car maintenance → machine room maintenance.

[0012] Further, in the step of determining the maintenance mode and the corresponding maintenance speed V4 according to the external signal and the priority of the maintenance mode, the car-to-counterweight proximity signal is: when the elevator is ascending, the car position is within a first set range of the middle position; and when the elevator is descending, the car position is within a second set range of the middle position.

[0013] Further, the step of determining the maintenance mode and the corresponding maintenance speed V4 according to the external signal and the priority of the maintenance mode comprises:

[0014] When the roof maintenance signal is valid, the roof maintenance setting speed V 41 is set as the maintenance speed V4 of the roof maintenance;

[0015] When the pit maintenance signal is valid, the pit maintenance setting speed V 42 is set as the maintenance speed V4 of the pit maintenance;

[0016] When the in-car maintenance signal is valid, the in-car maintenance setting speed V 43 is set as the maintenance speed V4 of the in-car maintenance;

[0017] When the machine room maintenance signal is valid, the machine room maintenance setting speed V 44 is set as the maintenance speed V4 of the machine room maintenance;

[0018] When none of the roof maintenance signal, the pit maintenance signal, the in-car maintenance signal and the machine room maintenance signal is valid, the maintenance speed V4 = 0.

[0019] Further, the step of recording the maintenance running time t when the running direction of the elevator during maintenance is ascending, and determining the maintenance target speed V repair according to the external signal, the corresponding maintenance speed V4 and the maintenance running time t comprises:

[0020] The maintenance running time t is recorded, when t < T1, the maintenance crawling speed V0 is taken as the maintenance target speed V repair , and the acceleration a repair is used for accelerating running;

[0021] After the maintenance running time t ≥ T1, when the lower limit switch signal is valid, the larger one between V repair and V1 is taken as the maintenance target speed V repair , and when the lower limit switch signal is invalid, the next step is executed.

[0022] When the signal of the next-level forced deceleration switch is valid, take the larger value between V repair and V2 as the maintenance target speed V repair to run. After the signal of the next-level forced deceleration switch becomes invalid, execute the next step;

[0023] When the car counterweight approach signal is valid, take V3 as the maintenance target speed V repair to run. After the car counterweight approach signal becomes invalid, execute the next step;

[0024] When the signal of the upper-level forced deceleration switch is invalid, take the larger value between V repair and the maintenance speed V4 as the maintenance target speed V repair to run. When the signal of the upper-level forced deceleration switch is valid, execute the next step;

[0025] When the upper limit switch signal is valid, take the smaller value between V0 and V1 as the maintenance target speed V repair to run; when the upper limit switch signal is invalid, take the smaller value between the maintenance crawling speed V0 and V2 as the maintenance target speed V repair to run and jump to the step of obtaining the elevator maintenance running direction and detecting the external signal.

[0026] Further, the step of, when the elevator maintenance running direction is downward, recording the maintenance running time t and determining the maintenance target speed V according to the external signal, the corresponding maintenance speed V4, and the maintenance running time t repair includes:

[0027] Record the maintenance running time t. When t < T1, take the maintenance crawling speed V0 as the maintenance target speed V repair , and accelerate at an acceleration of a repair to run;

[0028] After the maintenance running time t ≥ T1, when the upper limit switch signal is valid, take the larger value between V repair and V1 as the maintenance target speed V repair to run. After the upper limit switch signal becomes invalid, execute the next step;

[0029] When the signal of the upper-level forced deceleration switch is valid, take the larger value between V repair and V2 as the maintenance target speed V repair to run. After the signal of the upper-level forced deceleration switch becomes invalid, execute the next step;

[0030] When the car counterweight approach signal is valid, take V3 as the maintenance target speed V repairWhen the car counterweight proximity signal is invalid, the next step is executed;

[0031] When the next level forced deceleration switch signal is invalid, V repair The larger value between the maintenance speed V4 and the maintenance speed V1 is taken as the maintenance target speed V repair When the next level forced deceleration switch signal is valid, the next step is executed;

[0032] When the lower limit switch signal is valid, the smaller value between V0 and V1 is taken as the maintenance target speed V repair When the lower limit switch signal is invalid, the smaller value between the maintenance crawling speed V0 and V2 is taken as the target speed V repair Run and jump to the step of obtaining the elevator maintenance running direction and detecting the external signal.

[0033] Further, T1 is the preset time for starting the elevator; V0 is the maintenance crawling speed; V1 is the maintenance speed when the upper / lower limit switch signal is valid; V2 is the maintenance speed when the upper / lower level forced deceleration switch signal is valid; V3 is the maintenance speed of the car counterweight proximity area; V4 is the maintenance speed when the upper / lower limit switch signal is invalid, the upper / lower level forced deceleration switch signal is invalid, and the car counterweight proximity area is not in the proximity area.

[0034] The application also provides an elevator maintenance running control device, comprising:

[0035] The first obtaining module is used to obtain the maintenance mode of the elevator and set the priority of the maintenance mode; wherein the maintenance mode comprises machine room maintenance, car top maintenance, in-car maintenance, and pit maintenance;

[0036] The first determining module is used to determine the maintenance mode and the corresponding maintenance speed V4 according to the external signal and the priority of the maintenance mode; wherein the external signal comprises the upper level forced deceleration switch signal, the lower level forced deceleration switch signal, the upper limit switch signal, the lower limit switch signal, and the car counterweight proximity signal;

[0037] The second obtaining module is used to obtain the elevator maintenance running direction and detect the external signal; wherein the elevator maintenance running direction comprises up and down;

[0038] The second determining module is used to record the maintenance running time t when the elevator maintenance running direction is up, and determine the maintenance target speed V repair according to the external signal, the corresponding maintenance speed V4, and the maintenance running time t.

[0039] a third determining module, configured to record a maintenance operation time t when the elevator maintenance operation direction is downward, and determine a maintenance target speed V according to the external signal, the corresponding maintenance speed V4 and the maintenance operation time t repair .

[0040] The application further provides a computer device comprising a memory and a processor, wherein the memory stores a computer program, and the processor implements the steps of the method when executing the computer program.

[0041] The application further provides a computer readable storage medium, which stores a computer program, and the computer program implements the steps of the method when executed by a processor.

[0042] The application has the following beneficial effects:

[0043] The application acquires the maintenance mode of the elevator, sets the priority of the maintenance mode, and determines the maintenance mode and the corresponding maintenance speed V4 according to the external signal and the priority of the maintenance mode; when the elevator is running, the maintenance operation direction of the elevator is acquired and the external signal is detected; when the maintenance operation direction of the elevator is upward and downward, the maintenance operation time t is recorded respectively, and the maintenance target speed V is determined in combination with the external signal and the corresponding maintenance speed V4 repair , which can accurately grasp the time and position of the elevator stop, improve the elevator maintenance efficiency, and improve the convenience and safety of the on-site operation under the premise of optimizing the passenger comfort and saving the maintenance time. BRIEF DESCRIPTION OF DRAWINGS

[0044] Figure 1 The figure is a method flowchart of an embodiment of the application.

[0045] Figure 2 The figure is a maintenance mode confirmation and maintenance speed V4 selection flowchart of an embodiment of the application.

[0046] Figure 3 The figure is an upward maintenance speed control logic diagram of an embodiment of the application.

[0047] Figure 4 The figure is a downward maintenance speed control logic of an embodiment of the application.

[0048] Figure 5 The figure is an elevator shaft installation diagram of an embodiment of the application.

[0049] Figure 6 The figure is a speed diagram of the elevator in the first part of an embodiment of the application.

[0050] Figure 7 The figure is a speed diagram of the elevator in the second part of an embodiment of the application.

[0051] Figure 8 The speed schematic diagram of the elevator in the first ③ part of an embodiment of the present application.

[0052] Figure 9 The speed schematic diagram of the elevator in the first ④ part of an embodiment of the present application.

[0053] Figure 10 The speed schematic diagram of the elevator in the first ⑤ part of an embodiment of the present application.

[0054] Figure 11 The speed schematic diagram of the elevator in the first ⑥ part of an embodiment of the present application.

[0055] Figure 12 The speed schematic diagram of the elevator in the first ⑦ part of an embodiment of the present application.

[0056] Figure 13 The schematic diagram of the device structure of an embodiment of the present application.

[0057] Figure 14 The schematic diagram of the internal structure of a computer device of an embodiment of the present application.

[0058] The implementation, functional features and advantages of the present application will be further described with reference to the embodiments and the accompanying drawings. DETAILED DESCRIPTION

[0059] It should be understood that the specific embodiments described herein merely serve to explain the present application and do not limit the present application.

[0060] As shown in the accompanying drawings, Figure 1 The present application provides an elevator maintenance operation control method, which improves the convenience and safety of on-site operation under the premise of optimizing passenger comfort and saving maintenance time. Specifically, it includes:

[0061] S1, obtaining a maintenance mode of the elevator and setting a priority of the maintenance mode; wherein the maintenance mode includes machine room maintenance, car roof maintenance, in-car maintenance and pit maintenance.

[0062] The maintenance mode of the elevator includes machine room maintenance, car roof maintenance, in-car maintenance and pit maintenance. If multiple maintenance signals are valid at the same time, the maintenance mode with the highest priority is executed. In an embodiment, the priorities are set from high to low as follows: car roof maintenance → pit maintenance → in-car maintenance → machine room maintenance, and the present application is described accordingly.

[0063] S2, determining the maintenance mode and the corresponding maintenance speed V4 according to the external signals and the priority of the maintenance mode; wherein the external signals include the previous forced deceleration switch signal, the next forced deceleration switch signal, the upper limit switch signal, the lower limit switch signal, and the car and counterweight proximity signal.

[0064] To realize the relevant functions, external switch signals and state signals are acquired, mainly including: elevator next level forced deceleration switch signal, elevator next level forced deceleration switch signal, elevator upper limit switch signal, elevator lower limit switch signal, car counterweight proximity signal, maintenance operation direction, maintenance mode.

[0065] In one embodiment, to ensure the safety of maintenance and debugging personnel, the car speed needs to be controlled when the car is close to the counterweight. The car counterweight proximity signal: when the elevator is ascending, the car position is within the first set range of the middle position (-5000mm~ -1500mm, which can be set according to the elevator lifting height, and is not limited here); when the elevator is descending, the car position is within the second set range of the middle position (-1000mm~ +2000mm, which can be set according to the elevator lifting height, and is not limited here).

[0066] In one embodiment, as shown in Figure 2 , step S2 specifically includes:

[0067] S201, judging the car top maintenance signal, when the car top maintenance signal is established, setting the car top maintenance speed V 41 as the maintenance speed V4 of the car top maintenance;

[0068] S202, when the car top maintenance signal is not established, judging the pit maintenance signal, when the pit maintenance signal is established, setting the pit maintenance speed V 42 as the maintenance speed V4 of the pit maintenance;

[0069] S203, when the pit maintenance signal is not established, judging the car interior maintenance signal, when the car interior maintenance signal is established, setting the car interior maintenance speed V 43 as the maintenance speed V4 of the car interior maintenance;

[0070] S204, when the car interior maintenance signal is not established, judging the machine room maintenance signal, when the machine room maintenance signal is established, setting the machine room maintenance speed V 44 as the maintenance speed V4 of the machine room maintenance;

[0071] S205, when the car top maintenance signal, the pit maintenance signal, the car interior maintenance signal and the machine room maintenance signal are all not established, the maintenance speed V4 = 0.

[0072] S3, acquiring the elevator maintenance operation direction and detecting the external signal; wherein, the elevator maintenance operation direction includes ascending and descending.

[0073] S4, when the elevator maintenance operation direction is ascending, recording the maintenance operation time t, and determining the maintenance target speed V according to the external signal, the corresponding maintenance speed V4 and the maintenance operation time t.repair .

[0074] In one embodiment, as shown in Figure 3 , step S4 specifically comprises:

[0075] S401, record the maintenance running time t, when t < T1, take the maintenance crawling speed V0 as the maintenance target speed V repair , and accelerate at an acceleration a repair ;

[0076] S402, after the maintenance running time t ≥ T1, when the lower limit position switch signal is valid, take the larger value between the maintenance crawling speed V repair and V1 as the maintenance target speed V repair , and run, when the lower limit position switch signal is invalid, execute the next step, i.e., step S403;

[0077] S403, when the next level forced deceleration switch signal is valid, take the larger value between V repair and V2 as the maintenance target speed V repair , and run, when the next level forced deceleration switch signal is invalid, execute the next step, i.e., step S404;

[0078] S404, when the car counterweight proximity signal is valid, take V3 as the maintenance target speed V repair , and run, when the car counterweight proximity signal is invalid, execute the next step, i.e., step S405;

[0079] S405, when the previous level forced deceleration switch signal is invalid, take the larger value between V repair and the maintenance speed V4 as the maintenance target speed V repair , and run, when the previous level forced deceleration switch signal is valid, execute the next step, i.e., step S406;

[0080] S406, when the upper limit position switch signal is valid, take the smaller value between V0 and V1 as the maintenance target speed V repair , and run, when the upper limit position switch signal is invalid, take the smaller value between the maintenance crawling speed V0 and V2 as the maintenance target speed V repair , and run, and jump to the step of obtaining the direction of the elevator maintenance running and detecting the external signal (step S3).

[0081] Wherein, T1 is the preset time of the elevator starting operation; V0 is the maintenance crawling speed; V1 is the maintenance speed when the upper / lower limit switch signal is valid; V2 is the maintenance speed when the upper / lower level forced deceleration switch signal is valid; V3 is the maintenance speed when the car approaches the counterweight area; V4 is the maintenance speed when the upper / lower limit switch signal is invalid, the upper / lower level forced deceleration switch signal is invalid, and the car is not in the counterweight area.

[0082] S5, when the elevator maintenance operation direction is downward, recording the maintenance operation time t, and determining the maintenance target speed V according to the external signal, the corresponding maintenance speed V4, and the maintenance operation time t. repair .

[0083] In one embodiment, as shown in Figure 4 , step S5 specifically includes:

[0084] S501, recording the maintenance operation time t, and taking the maintenance crawling speed V0 as the maintenance target speed V when t repair repair accelerates;

[0085] S502, after the maintenance operation time t is greater than or equal to T1, taking the larger value between V repair and V1 as the maintenance target speed V repair when the upper limit switch signal is valid, and executing the next step, i.e., step S503, when the upper limit switch signal is invalid;

[0086] S503, when the upper level forced deceleration switch signal is valid, taking the larger value between V repair and V2 as the maintenance target speed V repair , and executing the next step, i.e., step S504, when the upper level forced deceleration switch signal is invalid;

[0087] S504, when the car approaches the counterweight signal is valid, taking V3 as the maintenance target speed V repair , and executing the next step, i.e., step S505, when the car approaches the counterweight signal is invalid;

[0088] S505, when the next level forced deceleration switch signal is invalid, taking the larger value between V repair and the maintenance speed V4 as the maintenance target speed V repair , and executing the next step, i.e., step S506, when the next level forced deceleration switch signal is valid;

[0089] S506, when the lower limit switch signal is valid, taking the smaller value between V0 and V1 as the maintenance target speed V repair ​When the lower limit switch signal is invalid, the smaller value between the maintenance crawling speed V0 and V2 is taken as the target speed V repair When the lower limit switch signal is invalid, the smaller value between the maintenance crawling speed V0 and V2 is taken as the target speed V

[0090] Wherein, T1 is the pre-set time of elevator starting operation; V0 is the maintenance crawling speed; V1 is the maintenance speed when the upper / lower limit switch signal is valid; V2 is the maintenance speed when the upper / lower level forced deceleration switch signal is valid; V3 is the maintenance speed when the car approaches the counterweight area; V4 is the maintenance speed when the upper / lower limit switch signal is invalid, the upper / lower level forced deceleration switch signal is invalid, and the car is not in the counterweight area.

[0091] Specific examples:

[0092] As shown in the elevator shaft installation schematic diagram in the Figure 5 , V0

[0093] 1. As shown in the Figure 6 , after the maintenance operation time exceeds T1, the elevator is in part ① and runs to the upper terminal station to stop, and the elevator speed is: V0→V1→V2→V4→V3→V4→V2→V0.

[0094] 2. As shown in the Figure 7 , after the maintenance operation time exceeds T1, the elevator is in part ② and runs to the upper terminal station to stop, and the elevator speed is: V0→V2→V4→V3→V4→V2→V0.

[0095] 3. As shown in the Figure 8 , after the maintenance operation time exceeds T1, the elevator is in part ③ and runs to the upper terminal station to stop, and the elevator speed is: V0→V4→V3→V4→V2→V0.

[0096] 4. As shown in the Figure 9 , after the maintenance operation time exceeds T1, the elevator is in part ④ and runs to the upper terminal station to stop, and the elevator speed is: V0→V3→V4→V2→V0.

[0097] 5. As shown in the Figure 10 , after the maintenance operation time exceeds T1, the elevator is in part ⑤ and runs to the upper terminal station to stop, and the elevator speed is: V0→V4→V2→V0.

[0098] 6. As shown in the Figure 11 , after the maintenance operation time exceeds T1, the elevator is in part ⑥ and runs to the upper terminal station to stop, and the elevator speed is: V0→V2→V0.

[0099] 7. As shown in the Figure 12As shown, after the maintenance operation time exceeds T1, the elevator is in the ⑦ part and runs to the upper terminal station to stop, and the elevator speed is: V0→V1→V0.

[0100] As shown, the elevator maintenance operation control device also provided by the application comprises: Figure 13

[0101] The first acquisition module 1 is used for acquiring the maintenance mode of the elevator and setting the priority of the maintenance mode; wherein the maintenance mode comprises machine room maintenance, car roof maintenance, in-car maintenance and pit maintenance.

[0102] The first determination module 2 is used for determining the maintenance mode and the corresponding maintenance speed V4 according to the external signal and the priority of the maintenance mode; wherein the external signal comprises the upper level forced deceleration switch signal, the lower level forced deceleration switch signal, the upper limit switch signal, the lower limit switch signal and the car counterweight proximity signal.

[0103] The second acquisition module 3 is used for acquiring the maintenance operation direction of the elevator and detecting the external signal; wherein the maintenance operation direction of the elevator comprises uplink and downlink.

[0104] The second determination module 4 is used for recording the maintenance operation time t when the maintenance operation direction of the elevator is uplink, and determining the maintenance target speed V repair according to the external signal, the corresponding maintenance speed V4 and the maintenance operation time t.

[0105] The third determination module 5 is used for recording the maintenance operation time t when the maintenance operation direction of the elevator is downlink, and determining the maintenance target speed V repair according to the external signal, the corresponding maintenance speed V4 and the maintenance operation time t.

[0106] In one embodiment, in the first acquisition module 1, the priority of the maintenance mode is set as: car roof maintenance→pit maintenance→in-car maintenance→machine room maintenance.

[0107] In one embodiment, in the first determination module 2, the car counterweight proximity signal is: when the elevator is uplink, the car position is within the first set range of the middle position; when the elevator is downlink, the car position is within the second set range of the middle position.

[0108] In one embodiment, the second acquisition module 3 comprises:

[0109] The first speed unit is used for setting the car roof maintenance speed V 41 as the maintenance speed V4 of the car roof maintenance when the car roof maintenance signal is established.

[0110] The second speed unit is used for setting the pit maintenance speed V​42 as the maintenance speed V4 for pit maintenance;

[0111] a third speed unit for setting the in-car maintenance speed V 43 as the maintenance speed V4 for in-car maintenance;

[0112] a fourth speed unit for setting the machine room maintenance speed V 44 as the maintenance speed V4 for machine room maintenance;

[0113] a fifth speed unit for setting the maintenance speed V4 = 0 when none of the car top maintenance signal, the pit maintenance signal, the in-car maintenance signal and the machine room maintenance signal is valid.

[0114] In one embodiment, the second determining module 4 comprises:

[0115] a first recording unit for recording the maintenance running time t, and taking the maintenance crawling speed V0 as the maintenance target speed V repair when t < T1, and accelerating at the acceleration a repair

[0116] a first running unit for taking the larger one between the maintenance crawling speed V repair and V1 as the maintenance target speed V repair when the lower limit switch signal is valid after the maintenance running time t ≥ T1, and executing the next step when the lower limit switch signal is invalid;

[0117] a second running unit for taking the larger one between V repair and V2 as the maintenance target speed V repair when the next stage forced deceleration switch signal is valid, and executing the next step when the next stage forced deceleration switch signal is invalid;

[0118] a third running unit for taking V3 as the maintenance target speed V repair when the car counterweight approaching signal is valid, and executing the next step when the car counterweight approaching signal is invalid;

[0119] a fourth running unit for taking the larger one between V repair and the maintenance speed V4 as the maintenance target speed V repair when the previous stage forced deceleration switch signal is invalid, and executing the next step when the previous stage forced deceleration switch signal is valid;

[0120] a fifth running unit for taking the smaller one between V0 and V1 as the maintenance target speed V repair ​V0 and V2 as the maintenance target speed V repair V0 and V2 as the maintenance target speed V

[0121] In one embodiment, the third determining module 5 comprises:

[0122] The second recording unit is configured to record the maintenance running time t, and when t < T1, take the maintenance crawling speed V0 as the maintenance target speed V repair , and take the acceleration a repair acceleration running;

[0123] The sixth running unit is configured to, when the maintenance running time t ≥ T1, take the larger value between V repair and V1 as the maintenance target speed V repair , and jump to the step of acquiring the maintenance running direction of the elevator and detecting the external signals.

[0124] The seventh running unit is configured to, when the last forced deceleration switch signal is valid, take the larger value between V repair and V2 as the maintenance target speed V repair , and jump to the next step.

[0125] The eighth running unit is configured to, when the car counterweight proximity signal is valid, take V3 as the maintenance target speed V repair , and jump to the next step.

[0126] The ninth running unit is configured to, when the next forced deceleration switch signal is invalid, take the larger value between V repair and the maintenance speed V4 as the maintenance target speed V repair , and jump to the next step.

[0127] The tenth running unit is configured to, when the lower limit switch signal is valid, take the smaller value between V0 and V1 as the maintenance target speed V repair , and jump to the next step. repair , and jump to the step of acquiring the maintenance running direction of the elevator and detecting the external signals.

[0128] In one embodiment, in the second determining module 4 and the third determining module 5, T1 is a preset time of elevator starting operation; V0 is a maintenance crawling speed; V1 is a maintenance speed when the upper / lower limit switch signal is valid; V2 is a maintenance speed when the upper / lower level forced deceleration switch signal is valid; V3 is a maintenance speed when the car approaches the counterweight approach area; V4 is a maintenance speed when the upper / lower limit switch signal is invalid, the upper / lower level forced deceleration switch signal is invalid, and the car is not in the counterweight approach area.

[0129] The above modules and units are used to correspondingly execute the steps in the above elevator maintenance operation control method, and the specific implementation manners are described above with reference to the method embodiments, which will not be described here.

[0130] As shown in Figure 14 , the present application also provides a computer device, which can be a server, and the internal structure thereof can be as shown in Figure 14 . The computer device comprises a processor, a memory, a network interface and a database connected through a system bus. The processor of the computer device is used to provide computing and control capabilities. The memory of the computer device comprises 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 operating system and the computer program in the non-volatile storage medium. The database of the computer device is used to store all data required by the process of the elevator maintenance operation control method. The network interface of the computer device is used to communicate with the external terminal through network connection. The computer program is executed by the processor to implement the elevator maintenance operation control method.

[0131] Those skilled in the art can understand that Figure 14 the structure shown in the above , is only a block diagram of part of the structure related to the scheme of the present application, and does not constitute a limitation on the computer device to which the scheme of the present application is applied.

[0132] An embodiment of the present application also provides a computer readable storage medium, which stores a computer program, and the computer program is executed by the processor to implement any one of the above elevator maintenance operation control methods.

[0133]

[0133] 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 relevant hardware through a computer program. The computer program can be stored in a non-volatile computer readable storage medium, and when the computer program is executed, the processes of the above-mentioned embodiment methods can be included. Any reference to memory, storage, databases, or other media in this application and in examples used herein, unless specifically stated otherwise, can include non-volatile and / or volatile memory. Non-volatile memory can include read-only memory (ROM), programmable ROM (PROM), electrically programmable ROM (EPROM), electrically erasable programmable ROM (EEPROM), or flash memory. Volatile memory can include random access memory (RAM) or external cache memory. As an illustration but not limitation, RAM is available in many forms such as static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double 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 (RDRAM), etc.

[0134] It should be noted that in this document, the terms "comprising", "including", or any other variant thereof are intended to cover a non-exclusive inclusion, such that a process, device, article, or method that comprises a list of elements does not only include those elements, but can also include other elements not expressly listed or inherent to such process, device, article, or method. Without more limitations, the element defined by the statement "comprising a" does not exclude the presence of additional identical elements in the process, device, article, or method that includes the element.

[0135] The above description is only the preferred embodiment of the present application, and does not limit the patent scope of the present application. Any equivalent structure or equivalent process transformation, or direct or indirect application in other related technical fields, based on the content of the present application specification and drawings, is also included in the patent protection scope of the present application.

Claims

1. An elevator inspection operation control method characterized by, The method comprises the following steps: acquiring a maintenance mode of the elevator and setting a priority of the maintenance mode; wherein the maintenance mode comprises machine room maintenance, car top maintenance, in-car maintenance, pit maintenance; determining a maintenance mode and a corresponding maintenance speed V4 according to an external signal and the priority of the maintenance mode; wherein the external signal comprises an upper level forced deceleration switch signal, a lower level forced deceleration switch signal, an upper limit switch signal, a lower limit switch signal, and a car counterweight proximity signal; acquiring a maintenance running direction of the elevator and detecting the external signal; wherein the maintenance running direction of the elevator comprises up and down; When the elevator maintenance operation direction is upward, record the maintenance operation time t, and determine the maintenance target speed V according to the external signal, the corresponding maintenance speed V4, and the maintenance operation time t repair ; When the elevator maintenance operation direction is downward, record the maintenance operation time t, and determine the maintenance target speed V according to the external signal, the corresponding maintenance speed V4, and the maintenance operation time t repair .

2. The elevator inspection operation control method according to claim 1, characterized by, In the step of acquiring the maintenance mode of the elevator and setting the priority of the maintenance mode, the priority of the maintenance mode is set as: car top maintenance → pit maintenance → in-car maintenance → machine room maintenance.

3. The elevator inspection operation control method according to claim 2, characterized by, In the step of determining the maintenance mode and the corresponding maintenance speed V4 according to the external signal and the priority of the maintenance mode, the car counterweight proximity signal is: when the elevator is running upwards, the car position is within a first set range of the middle position; and when the elevator is running downwards, the car position is within a second set range of the middle position.

4. The elevator inspection operation control method according to claim 3, characterized by, The step of determining the maintenance mode and the corresponding maintenance speed V4 according to the external signal and the priority of the maintenance mode comprises: When the car top maintenance signal is established, the car top maintenance setting speed V 41 as the maintenance speed V4 of the car top maintenance; When the pit maintenance signal is established, set the pit maintenance speed V 42 as the pit maintenance speed V4; When the in-car inspection signal is established, the in-car inspection set speed V 43 as the in-car inspection speed V4; When the machine room maintenance signal is established, set the machine room maintenance speed V 44 as the maintenance speed V4 of the machine room maintenance; when the car top maintenance signal, the pit maintenance signal, the in-car maintenance signal, and the machine room maintenance signal are all invalid, the maintenance speed V4 = 0.

5. The elevator inspection operation control method according to claim 4, characterized by, The step of recording the maintenance operation time t and determining the maintenance target speed V according to the external signal, the corresponding maintenance speed V4 and the maintenance operation time t when the elevator maintenance operation direction is upward repair includes: record the repair running time t, when t < T1, take the repair crawling speed V0 as the repair target speed V repair , and accelerate with acceleration a repair accelerate running; After the maintenance operation time t≥T1, when the lower limit position switch signal is valid, the maintenance crawling speed V repair and V1 as the maintenance target speed V repair operation, when the lower limit position switch signal is invalid, the next step is executed; V2 when the next level forced deceleration switch signal is valid repair and the larger value between V1 and V2 as the maintenance target speed V repair operation, when the next level forced deceleration switch signal is not valid, the next step is executed V3 is taken as the maintenance target speed V when the car pair proximity signal is valid repair When the car pair proximity signal is not valid, the next step is executed. When the previous stage forced deceleration switch signal is invalid, take V repair and the larger value between the maintenance speed V4 as the maintenance target speed V repair When the previous stage forced deceleration switch signal is valid, execute the next step. When the upper limit position switch signal is valid, take the smaller value between V0 and V1 as the maintenance target speed V repair When the upper limit position switch signal is invalid, take the smaller value between the maintenance crawling speed V0 and V2 as the maintenance target speed V repair Run; and jump to the step of obtaining the elevator maintenance running direction and detecting the external signal.

6. The elevator inspection operation control method according to claim 4, characterized by, The step of recording the maintenance operation time t and determining the maintenance target speed V according to the external signal, the corresponding maintenance speed V4 and the maintenance operation time t when the elevator maintenance operation direction is downward repair includes: record the repair running time t, when t < T1, take the repair crawling speed V0 as the repair target speed V repair , and accelerate with acceleration a repair accelerate running; After the maintenance operation time t≥T1, when the upper limit position switch signal is valid, V repair and V1 as the maintenance target speed V repair When the upper limit position switch signal is invalid, the next step is executed. When the previous stage forced deceleration switch signal is valid, take V repair and the larger value between V1 and V2 as the maintenance target speed V repair When the previous stage forced deceleration switch signal is invalid, execute the next step. V3 is taken as the maintenance target speed V when the car pair proximity signal is valid repair When the car pair proximity signal is not valid, the next step is executed. When the next stage forced deceleration switch signal is invalid, V repair and the larger value between the maintenance speed V4 as the maintenance target speed V repair operation, when the next stage forced deceleration switch signal is valid, the next step is executed; When the lower limit switch signal is valid, take the smaller value between V0 and V1 as the maintenance target speed V repair When the lower limit switch signal is invalid, take the smaller value between the maintenance crawling speed V0 and V2 as the maintenance target speed V repair Run, and jump to the step of obtaining the elevator maintenance running direction and detecting the external signal.

7. The elevator service operation control method according to any one of claims 5 or 6, characterized by, T1 is a preset time before the elevator starts running; V0 is a maintenance crawling speed; V1 is a maintenance speed when the upper / lower limit switch signal is valid; V2 is a maintenance speed when the upper / lower level forced deceleration switch signal is valid; V3 is a maintenance speed in a car counterweight proximity area; and V4 is a maintenance speed when the upper / lower limit switch signal is invalid, the upper / lower level forced deceleration switch signal is invalid, and it is not in the car counterweight proximity area.

8. An elevator maintenance operation control device characterized by comprising: The method comprises the following steps: a first acquiring module is configured to acquire a maintenance mode of the elevator and set a priority of the maintenance mode; wherein the maintenance mode comprises machine room maintenance, car top maintenance, in-car maintenance, and pit maintenance; a first determining module is configured to determine a maintenance mode and a corresponding maintenance speed V4 according to an external signal and the priority of the maintenance mode; wherein the external signal comprises an upper level forced deceleration switch signal, a lower level forced deceleration switch signal, an upper limit switch signal, a lower limit switch signal, and a car counterweight proximity signal; a second acquiring module is configured to acquire a maintenance running direction of the elevator and detect the external signal; wherein the maintenance running direction of the elevator comprises up and down; The second determining module is configured to record a maintenance operation time t when the elevator maintenance operation direction is upward, and determine a maintenance target speed V according to the external signal, a corresponding maintenance speed V4, and the maintenance operation time t repair ; The third determining module is configured to record a maintenance operation time t when the elevator maintenance operation direction is downward, and determine a maintenance target speed V according to the external signal, the corresponding maintenance speed V4, and the maintenance operation time t. repair . 9.A computer device, comprising a memory and a processor, wherein the memory stores a computer program, and the computer device is configured to perform the method according to any one of claims 1-8 when the computer program is executed by the processor. The processor executes the computer program to implement the steps of the method in any one of claims 1 to 7.

10. A computer-readable storage medium having stored thereon a computer program, characterized in that, The computer program is executed by the processor to implement the steps of the method in any one of claims 1 to 7.

Citation Information

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