Elevator overhaul operation control method

By obtaining the elevator maintenance mode and external signals, and determining the maintenance speed and target speed, the problem of difficulty in accurately stopping after starting during elevator maintenance is solved, and the safety and efficiency of maintenance is improved.

CN119637662AActive Publication Date: 2025-03-18HITACHI BUILDING TECH GUANGZHOU CO LTD
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Patent Information

Application Number
CN202510075380.3
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-01-17
Publication Date
2025-03-18
Estimated Expiration
2045-01-17

AI Technical Summary

Technical Problem

After the existing elevator is started under maintenance, it is difficult to stop accurately, resulting in insufficient safety and inefficiency. Especially in high-rise buildings, the existing 15m/min elevator speed affects work efficiency.

Method used

By obtaining the elevator's maintenance mode and setting priority, determining the maintenance mode and maintenance speed based on external signals, recording the maintenance running time to determine the target speed, and ensuring that the elevator can stop accurately during the maintenance process.

Benefits of technology

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

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the technical field of elevator overhaul, and discloses an elevator overhaul operation control method which comprises the following steps: acquiring an overhaul mode of an elevator, and setting the priority of the overhaul mode; determining the maintenance mode and the corresponding maintenance speed V4 according to an external signal and the priority of the maintenance mode; acquiring the maintenance running direction of the elevator and detecting the external signal; when the maintenance running direction of the elevator is upward, the maintenance running time t is recorded, and the maintenance target speed Vrepair is determined according to the external signals, the corresponding maintenance speed V4 and the maintenance running time t; and when the maintenance running direction of the elevator is downward, the maintenance running time t is recorded, and the maintenance target speed Vrepair is determined according to the external signals, the corresponding maintenance speed V4 and the maintenance running time t. According to the elevator maintenance operation control method provided by the invention, on the premise that the riding comfort is optimized and the maintenance time is saved, the convenience and safety of field operation are improved.
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Description

Technical Field

[0001] The present invention relates to the technical field of elevator maintenance, and in particular to an elevator maintenance operation control method. Background Art

[0002] When the existing elevator is inspected, adjusted, repaired, etc. in the maintenance state, if there is an abnormality after starting and it needs to stop, the elevator has already traveled a certain distance, which is not enough to ensure safety. Especially 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 installing and maintaining the elevator, it is necessary to accurately align the leveling, door knife, door wheel, magnetic isolation plate, etc. The elevator has too much acceleration within 2 seconds before starting, making it difficult to grasp the time and position of the elevator stop. The elevator needs to be run repeatedly to align the position where it needs to stop. This is not only inefficient and inaccurate, but also causes wear and tear on the elevator due to frequent electric operation. In addition, with the increase in high-rise buildings in China, the existing 15m / min elevator speed in the hoistway will affect work efficiency. Summary of the invention

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

[0005] The present invention provides an elevator maintenance operation control method, comprising:

[0006] Obtain the maintenance mode of the elevator and set the priority of the maintenance mode; wherein the maintenance mode includes machine room maintenance, car top maintenance, car interior maintenance, and pit maintenance;

[0007] 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 includes the previous level forced deceleration switch signal, the next level forced deceleration switch signal, the upper limit switch signal, the lower limit switch signal, and the car counterweight approach signal;

[0008] Obtaining the elevator maintenance running direction and detecting the external signal; wherein the elevator maintenance running direction includes up and down;

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

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

[0011] Further, in the step of obtaining 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 → car interior 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 counterweight approaching signal is: when the elevator is going up, the car position is within the first set range of the middle position; when the elevator is going down, the car position is within the 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 includes:

[0014] When the car top maintenance signal is established, set the car top maintenance set speed V 41 as the maintenance speed V4 of the car top maintenance;

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

[0016] When the car interior maintenance signal is established, set the car interior maintenance set speed V 43 as the maintenance speed V4 of the car interior maintenance;

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

[0018] 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.

[0019] Further, when the elevator maintenance operation direction is upward, record the maintenance operation time t, and determine the maintenance target speed V repair according to the external signal, the corresponding maintenance speed V4, and the maintenance operation time t. The steps include:

[0020] Record the maintenance operation time t. When t < T1, use the maintenance crawling speed V0 as the maintenance target speed V repair , and accelerate at an acceleration a repair ;

[0021] After the maintenance operation time t ≥ T1, when the lower limit switch signal is valid, use the larger value between V repair and V1 as the maintenance target speed V repair to run. After the lower limit switch signal becomes invalid, execute the next step;

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

[0030] When the car counterweight approach signal is valid, take V3 as the maintenance target speed V repairRun, when the car counterweight approach signal is invalid, proceed to the next step;

[0031] When the next level forced deceleration switch signal is invalid, take V repair and the maintenance speed V4 as the larger value as the maintenance target speed V repair Run, when the next level forced deceleration switch signal is valid, execute the next step;

[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 inspection creeping 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] Furthermore, T1 is the pre-set time for the elevator to start running; V0 is the maintenance creeping speed; V1 is the maintenance speed when the upper / lower limit switch signal is valid; V2 is the maintenance speed when the upper / next level forced deceleration switch signal is valid; V3 is the maintenance speed of the car counterweight approaching area; V4 is the maintenance speed when the upper / lower limit switch signal is invalid, the upper / next level forced deceleration switch signal is invalid, and it is not the car counterweight approaching area.

[0034] The present invention also provides an elevator maintenance operation control device, comprising:

[0035] The first acquisition module is used to acquire the maintenance mode of the elevator and set the priority of the maintenance mode; wherein the maintenance mode includes machine room maintenance, car top maintenance, car interior maintenance, and pit maintenance;

[0036] A first determination 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 includes the previous level forced deceleration switch signal, the next level forced deceleration switch signal, the upper limit switch signal, the lower limit switch signal, and the car counterweight approach signal;

[0037] A second acquisition module is used to acquire the elevator maintenance running direction and detect the external signal; wherein the elevator maintenance running direction includes up and down;

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

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

[0040] The present invention also 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 above method when executing the computer program.

[0041] The present invention also provides a computer-readable storage medium on which a computer program is stored, and the computer program implements the steps of the above method when executed by a processor.

[0042] The beneficial effects of the present invention are:

[0043] The present invention obtains the maintenance mode of the elevator, sets the priority of the maintenance mode, and then 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 elevator maintenance running direction is obtained and the external signal is detected. When the elevator maintenance running direction is up and down, the maintenance running 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 It can accurately grasp the time and location of elevator stop, improve the efficiency of elevator maintenance, and improve the convenience and safety of on-site operations while optimizing passenger comfort and saving maintenance time. BRIEF DESCRIPTION OF THE DRAWINGS

[0044] Figure 1 The figure is a schematic diagram of a method flow according to an embodiment of the present invention.

[0045] Figure 2 It is a schematic diagram of a maintenance mode confirmation and maintenance speed V4 selection flow chart according to an embodiment of the present invention.

[0046] Figure 3 This is a logic diagram of upward maintenance speed control according to an embodiment of the present invention.

[0047] Figure 4 This is the downlink maintenance speed control logic of an embodiment of the present invention.

[0048] Figure 5 This is a schematic diagram of an elevator shaft installation according to an embodiment of the present invention.

[0049] Figure 6 FIG. 1 is a speed diagram of an elevator in the first part according to an embodiment of the present invention.

[0050] Figure 7 FIG. 2 is a speed diagram of an elevator in part ② according to an embodiment of the present invention.

[0051] Figure 8 FIG. 3 is a speed diagram of an elevator in part ③ according to an embodiment of the present invention.

[0052] Fig. 9 This is a speed diagram of an elevator in the fourth part according to an embodiment of the present invention.

[0053] Fig.10 FIG. 5 is a speed diagram of an elevator in section ⑤ according to an embodiment of the present invention.

[0054] Fig.11 FIG. 6 is a speed diagram of an elevator in the sixth part according to an embodiment of the present invention.

[0055] Fig.12 FIG. 7 is a speed diagram of an elevator in the seventh part according to an embodiment of the present invention.

[0056] Fig.13 FIG. 1 is a schematic diagram of a device structure according to an embodiment of the present invention.

[0057] Fig.14 The figure is a schematic diagram of the internal structure of a computer device according to an embodiment of the present invention.

[0058] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0059] It should be understood that the specific embodiments described herein are only used to explain the present invention, and are not used to limit the present invention.

[0060] like Figure 1 As shown, the present invention provides an elevator maintenance operation control method, which improves the convenience and safety of on-site operations while optimizing passenger comfort and saving maintenance time. Specifically, it includes:

[0061] S1. Obtain the maintenance mode of the elevator and set the priority of the maintenance mode; wherein the maintenance mode includes machine room maintenance, car top maintenance, car interior maintenance, and pit maintenance.

[0062] The maintenance mode of the elevator is obtained, including machine room maintenance, car top maintenance, car interior maintenance, and pit maintenance. If multiple maintenance signals are valid at the same time, the maintenance mode with the highest priority is executed. In one embodiment, the priority is set from high to low as: car top maintenance → pit maintenance → car interior maintenance → machine room maintenance, and the present invention is explained accordingly.

[0063] S2. 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 includes the previous level forced deceleration switch signal, the next level forced deceleration switch signal, the upper limit switch signal, the lower limit switch signal, and the car counterweight approach signal.

[0064] In order to realize relevant functions, external switch signals and status signals are obtained, mainly including: elevator previous level forced deceleration switch signal, elevator next level forced deceleration switch signal, elevator upper limit switch signal, elevator lower limit switch signal, car counterweight approach signal, maintenance operation direction, and maintenance mode.

[0065] In one embodiment, in order to ensure the safety of maintenance and commissioning personnel, the car speed needs to be controlled when the car counterweight approaches. Car counterweight approaching signal: when the elevator is going up, the car position is within the first setting range of the middle position (the present invention is set to -5000mm~-1500mm, which can be set according to the elevator lifting height, and is not limited here); when the elevator is going down, the car position is within the second setting 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, Figure 2 As shown, step S2 specifically includes:

[0067] S201, judge the car top maintenance signal, when the car top maintenance signal is established, set the car top maintenance speed V 41 As the inspection speed V4 for car top inspection;

[0068] S202: When the car top inspection signal is not established, the pit inspection signal is determined. When the pit inspection signal is established, the pit inspection setting speed V is set. 42 As the inspection speed V4 for pit inspection;

[0069] S203: When the pit inspection signal is not established, the car inspection signal is determined. When the car inspection signal is established, the car inspection setting speed V is set. 43 As the inspection speed V4 for in-car inspection;

[0070] S204: When the car maintenance signal is not established, the machine room maintenance signal is determined. When the machine room maintenance signal is established, the machine room maintenance setting speed V is set. 44 As the maintenance speed of the machine room maintenance V4;

[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. Obtain the elevator maintenance running direction and detect the external signal; wherein the elevator maintenance running direction includes up and down.

[0073] S4. 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 。

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

[0075] S401. Record the maintenance operation time t. When t < T1, use the maintenance crawling speed V0 as the maintenance target speed V repair , and accelerate at an acceleration a repair to run;

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

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

[0078] S404. 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, i.e., step S405;

[0079] S405. When the upper-stage 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 to run. When the upper-stage forced deceleration switch signal is valid, execute the next step, i.e., step S406;

[0080] S406. 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 operation direction and detecting the external signal (step S3).

[0081] Wherein, T1 is the pre-set time before the elevator starts to run; V0 is the overhaul creeping speed; V1 is the overhaul speed when the upper / lower limit switch signal is valid; V2 is the overhaul speed when the upper / lower stage forced deceleration switch signal is valid; V3 is the overhaul speed in the car counterweight approaching area; V4 is the overhaul speed when the upper / lower limit switch signal is invalid, the upper / lower stage forced deceleration switch signal is invalid, and it is not in the car counterweight approaching area.

[0082] S5. When the elevator overhaul running direction is downward, record the overhaul running time t, and determine the overhaul target speed V according to the external signal, the corresponding overhaul speed V4, and the overhaul running time t repair .

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

[0084] S501. Record the overhaul running time t. When t < T1, use the overhaul creeping speed V0 as the overhaul target speed V repair , and accelerate at an acceleration a repair to run;

[0085] S502. After the overhaul running time t ≥ T1, when the upper limit switch signal is valid, use the larger value between V repair and V1 as the overhaul target speed V repair to run. After the upper limit switch signal becomes invalid, execute the next step, that is, step S503;

[0086] S503. When the upper stage forced deceleration switch signal is valid, take the larger value between V repair and V2 as the overhaul target speed V repair to run. After the upper stage forced deceleration switch signal becomes invalid, execute the next step, that is, step S504;

[0087] S504. When the car counterweight approaching signal is valid, take V3 as the overhaul target speed V repair to run. After the car counterweight approaching signal becomes invalid, execute the next step, that is, step S505;

[0088] S505. When the lower stage forced deceleration switch signal is invalid, take the larger value between V repair and the overhaul speed V4 as the overhaul target speed V repair to run. When the lower stage forced deceleration switch signal is valid, execute the next step, that is, step S506;

[0089] S506. When the lower limit switch signal is valid, take the smaller value between V0 and V1 as the overhaul target speed V repairRun. When the lower limit switch signal is invalid, take the smaller value between the maintenance creep speed V0 and V2 as the target speed V repair Run and jump to the step of obtaining the maintenance running direction of the elevator and detecting the external signal (step S3).

[0090] Among them, T1 is the preset time before the elevator starts to run; V0 is the maintenance creep speed; V1 is the maintenance speed when the upper / lower limit switch signal is valid; V2 is the maintenance speed when the upper / lower stage forced deceleration switch signal is valid; V3 is the maintenance speed in the car counterweight approaching area; V4 is the maintenance speed when the upper / lower limit switch signal is invalid, the upper / lower stage forced deceleration switch signal is invalid, and it is not in the car counterweight approaching area.

[0091] Specific example:

[0092] Such as Figure 5 shown in the elevator shaft installation schematic diagram, described according to V0 < V1 < V2 < V3 < V4.

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

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

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

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

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

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

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

[0100] like Fig.13 As shown, the present invention also provides an elevator maintenance operation control device, comprising:

[0101] The first acquisition module 1 is used to acquire the maintenance mode of the elevator and set the priority of the maintenance mode; wherein the maintenance mode includes machine room maintenance, car top maintenance, car interior maintenance, and pit maintenance;

[0102] The first determination module 2 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 includes the previous level forced deceleration switch signal, the next level forced deceleration switch signal, the upper limit switch signal, the lower limit switch signal, and the car counterweight approach signal;

[0103] The second acquisition module 3 is used to acquire the elevator maintenance running direction and detect the external signal; wherein the elevator maintenance running direction includes up and down;

[0104] The second determination module 4 is used to record the maintenance operation time t when the elevator maintenance operation direction is upward, and determine the maintenance target speed V according to the external signal, the corresponding maintenance speed V4, and the maintenance operation time t. repair ;

[0105] The third determination module 5 is used to record the maintenance operation time t when the elevator maintenance operation direction is downward, and determine the maintenance target speed V according to the external signal, the corresponding maintenance speed V4, and the maintenance operation time t. repair .

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

[0107] In one embodiment, in the first determination module 2, the car counterweight approach signal is: when the elevator is going up, the car position is within a first set range of the middle position; when the elevator is going down, the car position is within a second set range of the middle position.

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

[0109] The first speed unit is used to set the car top maintenance setting speed V when the car top maintenance signal is established. 41 As the inspection speed V4 for car top inspection;

[0110] The second speed unit is used to set the pit maintenance setting speed V when the pit maintenance signal is established.42 The inspection speed V4 for pit inspection;

[0111] The third speed unit is used to set the car inspection speed V when the car inspection signal is established 43 as the inspection speed V4 for car inspection;

[0112] The fourth speed unit is used to set the machine room inspection speed V when the machine room inspection signal is established 44 as the inspection speed V4 for machine room inspection;

[0113] The fifth speed unit is used to set the inspection speed V4 = 0 when the car top inspection signal, pit inspection signal, car inspection signal, and machine room inspection signal are all not established.

[0114] In one embodiment, the second determination module 4 includes:

[0115] The first recording unit is used to record the inspection running time t. When t < T1, the inspection crawling speed V0 is used as the inspection target speed V repair , and it accelerates at an acceleration a repair and runs at an accelerated speed;

[0116] The first operating unit is used to, after the inspection running time t ≥ T1, when the lower limit switch signal is valid, use the larger value between the inspection crawling speed V repair and V1 as the inspection target speed V repair and run. After the lower limit switch signal becomes invalid, proceed to the next step;

[0117] The second operating unit is used to, when the next-stage forced deceleration switch signal is valid, take the larger value between V repair and V2 as the inspection target speed V repair and run. After the next-stage forced deceleration switch signal becomes invalid, proceed to the next step;

[0118] The third operating unit is used to, when the car counterweight approach signal is valid, take V3 as the inspection target speed V repair and run. After the car counterweight approach signal becomes invalid, proceed to the next step;

[0119] The fourth operating unit is used to, when the upper-stage forced deceleration switch signal is invalid, take the larger value between V repair and the inspection speed V4 as the inspection target speed V repair and run. When the upper-stage forced deceleration switch signal is valid, proceed to the next step;

[0120] The fifth operating unit is used to, when the upper limit switch signal is valid, take the smaller value between V0 and V1 as the inspection target speed V repairRun; when the upper limit switch signal is invalid, take the smaller value between the maintenance creep 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.

[0121] In one embodiment, the third determination module 5 includes:

[0122] The second recording unit is used to record the maintenance running time t. When t < T1, take the maintenance creep speed V0 as the maintenance target speed V repair , and with an acceleration of a repair Accelerate and run;

[0123] The sixth operation unit is used to, 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 Run. When the upper limit switch signal becomes invalid, execute the next step;

[0124] The seventh operation unit is used to, when the upper stage forced deceleration switch signal is valid, take the larger value between V repair and V2 as the maintenance target speed V repair Run. When the upper stage forced deceleration switch signal becomes invalid, execute the next step;

[0125] The eighth operation unit is used to, when the car counterweight approach signal is valid, take V3 as the maintenance target speed V repair Run. When the car counterweight approach signal becomes invalid, execute the next step;

[0126] The ninth operation unit is used to, when the lower stage 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 Run. When the lower stage forced deceleration switch signal is valid, execute the next step;

[0127] The tenth operation unit is used to, when the lower limit switch signal is valid, take the smaller value between V0 and V1 as the maintenance target speed V repair Run. When the lower limit switch signal is invalid, take the smaller value between the maintenance creep speed V0 and V2 as the target speed V repair Run and jump to the step of obtaining the elevator maintenance running direction and detecting the external signal.

[0128] In one embodiment, in the second determination module 4 and the third determination module 5, T1 is the pre-set time for the elevator to start running; V0 is the maintenance creeping speed; V1 is the maintenance speed when the upper / lower limit switch signal is valid; V2 is the maintenance speed when the upper / next level forced deceleration switch signal is valid; V3 is the maintenance speed of the car counterweight approaching area; V4 is the maintenance speed when the upper / lower limit switch signal is invalid, the upper / next level forced deceleration switch signal is invalid, and it is not the car counterweight approaching area.

[0129] The above modules and units are used to execute the corresponding steps in the above elevator maintenance operation control method. The specific implementation method thereof is described in the above method embodiment and will not be repeated here.

[0130] like Fig.14 As shown, the present invention also provides a computer device, which can be a server, and its internal structure can be as shown in Fig.14 As shown. The computer device includes a processor, a memory, a network interface and a database connected through a system bus. Among them, the processor designed by the computer is used to provide computing and control capabilities. The memory of the computer device includes a non-volatile storage medium and an internal memory. The non-volatile storage medium stores an operating system, a computer program and a database. The internal memory provides an environment for the operation of the operating system and the computer program in the non-volatile storage medium. The database of the computer device is used to store all data required for the process of the elevator maintenance operation control method. The network interface of the computer device is used to communicate with an external terminal through a network connection. When the computer program is executed by the processor, the elevator maintenance operation control method is implemented.

[0131] Those skilled in the art will understand that Fig.14 The structure shown in is merely a block diagram of a portion of the structure related to the present application solution and does not constitute a limitation on the computer device to which the present application solution is applied.

[0132] An embodiment of the present application further provides a computer-readable storage medium on which a computer program is stored. When the computer program is executed by a processor, any one of the above-mentioned elevator maintenance operation control methods is implemented.

[0133] Those of ordinary skill in the art can understand that all or part of the processes in the above-mentioned embodiment methods can be completed by instructing related hardware through a computer program, and the computer program can be stored in a non-volatile computer-readable storage medium. When the computer program is executed, it can include the processes of the embodiments of the above-mentioned methods. Among them, any reference to memory, storage, database or other media provided in this application and used in the embodiments may include non-volatile and / or volatile memory. Non-volatile memory may include read-only memory (ROM), programmable ROM (PROM), electrically programmable ROM (EPROM), electrically erasable programmable ROM (EEPROM) or flash memory. Volatile memory may include random access memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of 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 article, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, device, article or method including a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, device, article or method. In the absence of further restrictions, an element defined by the sentence "includes a ..." does not exclude the presence of other identical elements in the process, device, article or method including the element.

[0135] The above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the present invention specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. An elevator maintenance operation control method, characterized in that: include: Obtain the maintenance mode of the elevator and set the priority of the maintenance mode; wherein the maintenance mode includes machine room maintenance, car top maintenance, car interior maintenance, and pit maintenance; 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 includes the previous level forced deceleration switch signal, the next level forced deceleration switch signal, the upper limit switch signal, the lower limit switch signal, and the car counterweight approach signal; Obtaining the elevator maintenance running direction and detecting the external signal; wherein the elevator maintenance running direction includes up and down; When the elevator maintenance operation direction is upward, the maintenance operation time t is recorded, and the maintenance target speed V is determined 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, the maintenance operation time t is recorded, and the maintenance target speed V is determined according to the external signal, the corresponding maintenance speed V4, and the maintenance operation time t. repair .

2. The elevator maintenance operation control method according to claim 1, characterized in that: In the step of obtaining 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 → car maintenance → machine room maintenance.

3. The elevator maintenance operation control method according to claim 2, characterized in that: 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 approach signal is: when the elevator is ascending, the car position is within a first setting range of the middle position; when the elevator is descending, the car position is within a second setting range of the middle position.

4. The elevator maintenance operation control method according to claim 3, characterized in that: 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 inspection signal is established, the car top inspection setting speed V 41 As the inspection speed V4 for car top inspection; When the pit inspection signal is established, the pit inspection setting speed V 42 As the inspection speed V4 for pit inspection; When the car inspection signal is established, the car inspection setting speed V 43 As the inspection speed V4 for in-car inspection; When the machine room maintenance signal is established, the machine room maintenance setting speed V 44 As the maintenance speed of the machine room maintenance V4; When the car top maintenance signal, pit maintenance signal, car interior maintenance signal and machine room maintenance signal are all not established, the maintenance speed V4=0.

5. The elevator maintenance operation control method according to claim 4, characterized in that: When the elevator maintenance operation direction is upward, the maintenance operation time t is recorded, and the maintenance target speed V is determined according to the external signal, the corresponding maintenance speed V4, and the maintenance operation time t. repair The steps include: Record the maintenance operation time t. When t < T1, use the maintenance crawling speed V0 as the maintenance target speed V repair , and with an acceleration a repair Accelerate the operation; After the maintenance operation time t≥T1, when the lower limit switch signal is valid, the maintenance creeping speed V repair The larger value between V1 and V2 is taken as the maintenance target speed V repair Run, when the lower limit switch signal is invalid, execute the next step; When the next level forced deceleration switch signal is valid, take V repair The larger value between V2 and V3 is taken as the maintenance target speed V repair Run, when the next level forced deceleration switch signal is invalid, execute the next step; When the car counterweight approaching signal is valid, V3 is taken as the inspection target speed V repair Run, when the car counterweight approach signal is invalid, proceed to the next step; When the upper level forced deceleration switch signal is invalid, take V repair and the maintenance speed V4 as the larger value as the maintenance target speed V repair Run, when the previous level forced deceleration switch signal is valid, execute the next step; When the upper limit switch signal is valid, the smaller value between V0 and V1 is taken as the maintenance target speed V repair When the upper limit switch signal is invalid, the smaller value between the inspection creeping speed V0 and V2 is taken as the inspection 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 maintenance operation control method according to claim 4, characterized in that: When the elevator maintenance operation direction is downward, the maintenance operation time t is recorded, and the maintenance target speed V is determined according to the external signal, the corresponding maintenance speed V4, and the maintenance operation time t. repair The steps include: Record the maintenance operation time t. When t < T1, use the maintenance crawling speed V0 as the maintenance target speed V repair , and with an acceleration a repair Accelerate the operation; After the maintenance operation time t≥T1, when the upper limit switch signal is valid, V repair The larger value between V1 and V2 is taken as the maintenance target speed V repair Run, when the upper limit switch signal is invalid, execute the next step; When the previous forced deceleration switch signal is valid, take V repair The larger value between V2 and V3 is taken as the maintenance target speed V repair Run, when the previous level forced deceleration switch signal is invalid, execute the next step; When the car counterweight approaching signal is valid, V3 is taken as the inspection target speed V repair Run, when the car counterweight approach signal is invalid, proceed to the next step; When the next level forced deceleration switch signal is invalid, take V repair and the maintenance speed V4 as the larger value as the maintenance target speed V repair Run, when the next level forced deceleration switch signal is valid, execute the next step; 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 inspection creeping 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.

7. The elevator maintenance operation control method according to any one of claims 5 or 6, characterized in that: T1 is the pre-set time for the elevator to start running; V0 is the inspection creeping speed; V1 is the inspection speed when the upper / lower limit switch signal is valid; V2 is the inspection speed when the upper / next level forced deceleration switch signal is valid; V3 is the inspection speed of the car counterweight approaching area; V4 is the inspection speed when the upper / lower limit switch signal is invalid, the upper / next level forced deceleration switch signal is invalid, and it is not the car counterweight approaching area.

8. An elevator maintenance operation control device, characterized in that: include: The first acquisition module is used to acquire the maintenance mode of the elevator and set the priority of the maintenance mode; wherein the maintenance mode includes machine room maintenance, car top maintenance, car interior maintenance, and pit maintenance; A first determination 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 includes the previous level forced deceleration switch signal, the next level forced deceleration switch signal, the upper limit switch signal, the lower limit switch signal, and the car counterweight approach signal; A second acquisition module is used to acquire the elevator maintenance running direction and detect the external signal; wherein the elevator maintenance running direction includes up and down; The second determination module is used to record the maintenance operation time t when the elevator maintenance operation direction is upward, and determine the maintenance target speed V according to the external signal, the corresponding maintenance speed V4, and the maintenance operation time t. repair ; The third determination module is used to record the maintenance operation time t when the elevator maintenance operation direction is downward, and determine the 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, wherein: When the processor executes the computer program, the steps of the method according to any one of claims 1 to 7 are implemented.

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

Citation Information

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