CN111483907A - Elevator control method and control device based on three-level power converter - Google Patents
Elevator control method and control device based on three-level power converter Download PDFInfo
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- CN111483907A CN111483907A CN202010442032.2A CN202010442032A CN111483907A CN 111483907 A CN111483907 A CN 111483907A CN 202010442032 A CN202010442032 A CN 202010442032A CN 111483907 A CN111483907 A CN 111483907A
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- 238000000034 method Methods 0.000 title claims abstract description 26
- 230000017525 heat dissipation Effects 0.000 claims abstract description 27
- 230000001681 protective effect Effects 0.000 claims abstract description 21
- 238000007789 sealing Methods 0.000 claims abstract description 15
- 238000009434 installation Methods 0.000 claims description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 230000006698 induction Effects 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 230000032683 aging Effects 0.000 abstract description 8
- 230000007774 longterm Effects 0.000 abstract description 8
- 238000005336 cracking Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 4
- 230000000149 penetrating effect Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/0035—Arrangement of driving gear, e.g. location or support
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/0065—Roping
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/04—Driving gear ; Details thereof, e.g. seals
- B66B11/0407—Driving gear ; Details thereof, e.g. seals actuated by an electrical linear motor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M13/00—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
- F16M13/02—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B50/00—Energy efficient technologies in elevators, escalators and moving walkways, e.g. energy saving or recuperation technologies
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Power Engineering (AREA)
- Elevator Control (AREA)
- Inverter Devices (AREA)
Abstract
The invention relates to an elevator control method and a control device based on a three-level power converter, which comprises a converter frame, a bolt plate and a threaded frame, wherein protective frames are arranged on two sides of the converter frame, mounting frames are arranged on two sides of each protective frame, a positioning bolt is arranged at the top end of the converter frame, an end frame is connected to the bottom end of the converter frame, chute frames are arranged on two sides of each end frame, a transverse frame is arranged on the inner side of each chute frame, a heat dissipation net frame is connected to the bottom end of each transverse frame, a clamping frame is arranged at the bottom end of each heat dissipation net frame, and a sealing frame is arranged at the bottom end of each clamping frame. When the sealing frame is fixedly connected between the sliding rods, the threads of the studs can penetrate through the sliding rods and are buckled between the sliding rod and the sliding chute frame, the uniformly distributed end connecting frames are effectively distributed and installed on the sliding rods, the end connecting frames are favorably protected and installed between the sealing frame and the clamping frame, the elevator operation control is favorably realized, and the aging and cracking phenomena caused by long-term use between connecting lines are prevented.
Description
Technical Field
The invention relates to the technical field of elevator three-level power converters, in particular to an elevator control method and a control device based on a three-level power converter.
Background
The converter is a new type AC-AC power converter, which can operate in four quadrants, has excellent input current waveform and output voltage waveform, free controlled power factor, and the three-level power converter of elevator has many installation defects, so the three-level power converter of elevator has improved structure.
Three level power converters of elevator in the market, the outside does not have corresponding protective equipment, causes three level power converters of elevator collision damage easily, and heat radiation structure is unobstructed inadequately, influences elevator operation control, uses the easy cracked problem that ages that takes place for a long time between the connecting wire.
Disclosure of Invention
The invention aims to provide an elevator control method and a control device based on a three-level power converter, and aims to solve the problems that the three-level power converter of an elevator in the market, which is provided in the background art, is not provided with corresponding protective equipment outside, so that the three-level power converter of the elevator is easy to collide and damage, a heat dissipation structure is not smooth enough, the operation and control of the elevator are influenced, and aging and breakage are easy to occur between connecting wires after long-term use.
In order to achieve the purpose, the invention provides the following technical scheme: the elevator control method and device based on the three-level power converter comprise a converter frame, a bolt plate and a threaded frame, wherein protective frames are arranged on two sides of the converter frame, mounting frames are arranged on two sides of each protective frame, a positioning bolt is arranged at the top end of the converter frame, an end frame is connected to the bottom end of the converter frame, sliding chute frames are arranged on two sides of each end frame, a transverse frame is arranged on the inner side of each sliding chute frame, a heat dissipation net frame is connected to the bottom end of each transverse frame, a clamping frame is arranged at the bottom end of each heat dissipation net frame, a closed frame is arranged at the bottom end of each clamping frame, an end frame is arranged at the bottom end of each closed frame, fixing plates are arranged on two sides of the rear end of the converter frame, a support frame penetrates through the fixing plates, the bolt plate is arranged on one side of the support frame, the threaded frames are arranged on two sides of, and sliding rods are arranged on two sides of the sealing frame, and the middle parts of the sliding rods are connected with studs.
Preferably, the converter frame and the protection frame are fixedly connected, and the protection frame and the mounting frame are mutually attached.
Preferably, the converter frame is movably connected with the chute frame, and the converter frame forms a sliding structure with the end frame through the chute frame.
Preferably, the central axis between the heat dissipation net rack and the closed rack is intersected, and the closed rack is fixedly connected with the end connecting rack.
Preferably, the fixed plate is movably connected with the support frame, and the fixed plate and the support frame form a buckle structure through a bolt plate.
Preferably, the connecting end frame comprises a return spring and a rubber frame, the return spring is distributed in the connecting end frame, and the bottom end of the return spring is connected with the rubber frame.
Preferably, the reset spring is fixedly connected with the rubber frame, and the end connection frame and the rubber frame form an elastic structure through the reset spring.
Preferably, be threaded connection between chute frame and the screw thread frame, and the chute frame passes through the screw thread frame and constitutes the dismantlement structure with the centre gripping post.
Preferably, the sliding rod is movably connected with the stud, and the sealing frame forms a thread structure through the sliding rod and the stud.
Preferably, the elevator control method based on the three-level power converter includes the steps of:
s1, driving by a motor, simultaneously installing the protective frame and the installation frame on a driving device, filling high-pressure oil into the oil cylinder, and driving the movable plug to drive the axle box, so that the converter frame is connected to the device through the installation frame; the three-level power converter drives the cage by an alternating current motor and a direct current motor through a reduction gear and a traction steel cable of a tractor, and is mainly used for medium and low speed ladders;
s2, using induction or synchronous linear motor to drive, the motor is set on the wall of the lifting road, the moving part (equivalent to the rotating part) is set on the outer shell of the cage, at the same time, the converter frame is set between the cross frame and the chute frame, the elevator can directly drive the cage without using steel cable; the traction motor is directly arranged at the top or the bottom of the bridge cage, and a steel rope is drawn and surrounded to drive the bridge cage, so that the traction motor is used for small bridge cages and personal elevators.
Compared with the prior art, the invention has the following beneficial effects:
1. the converter frame of the invention forms a sliding structure through the chute frame and the end frame, the end frame at the bottom of the converter frame can be clamped between the cross frame and the chute frame in a sliding way, the movable converter frame and the end frame can be installed between the heat dissipation net racks in a protection way, the heat dissipation net racks are favorable for heat dissipation and volatilization of the elevator three-level power converter, and the external protection effect can be achieved.
2. According to the invention, the fixed plate and the support frame form a buckling structure through the bolt plate, when equipment in the converter frame is fixedly installed, a user manually pushes the bolt plate to move along the fixed plate, the bolt plate can be installed at the rear end of the converter frame in a protective mode, the user can buckle the fixed parts between the bolt plate and the fixed plate, and the effect of integral buckling can be achieved for the three-level power converter of the elevator.
3. The terminal frame of the invention forms an elastic structure through the reset spring and the rubber frame, when the elevator three-level power converter equipment wire penetrates through and is buckled between the terminal frames, the rubber frame can be extruded between the terminal frames by depending on the elasticity of the reset spring, so that the reset spring and the rubber frame are elastically wrapped between the terminal frames, and the aging and the breakage of the connecting wires of the elevator three-level power converter in long-term use can be prevented.
4. According to the invention, the chute frame forms a dismounting structure through the threaded frame and the clamping column, when the converter frame slides along the chute frame, a user manually twists the threaded frame and the clamping column to penetrate between the chute frames, so that the effect of clamping the converter frame between the chute frames can be achieved, and the converter frame equipment can be conveniently installed and clamped in the later period.
5. The sealing frame of the invention forms a thread structure through the slide bars and the studs, when the sealing frame is fixedly connected between the slide bars, the threads of the studs can penetrate and be buckled between the slide bars and the chute frame, the evenly distributed end connecting frames are effectively distributed and installed on the slide bars, the end connecting frames are favorably protected and installed between the sealing frame and the clamping frame, the operation control of an elevator is favorably realized, and the aging and fracture phenomena caused by long-term use between connecting lines are prevented.
Drawings
Fig. 1 is a schematic front view of an elevator control method and control device based on a three-level power converter according to the present invention;
fig. 2 is a schematic diagram of a rear view structure of a reagent rack of an elevator control method and control device based on a three-level power converter;
fig. 3 is a schematic diagram of the internal structure of the heat dissipation cover connecting end frame of the elevator control method and control device based on the three-level power converter of the invention;
fig. 4 is an enlarged schematic structural diagram of a part a in fig. 1 of an elevator control method and control device based on a three-level power converter according to the present invention;
fig. 5 is an enlarged schematic structural diagram of B in fig. 1 of an elevator control method and control device based on a three-level power converter according to the present invention.
In the figure: 1. a converter frame; 2. a protective frame; 3. a mounting frame; 4. positioning bolts; 5. an end frame; 6. a cross frame; 7. a chute frame; 8. a heat dissipation net rack; 9. a closing frame; 10. an end connecting frame; 11. a clamping frame; 12. a fixing plate; 13. a peg board; 14. a support frame; 15. a return spring; 16. a rubber frame; 17. a clamping post; 18. a threaded rack; 19. a slide bar; 20. and (4) a bolt.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Referring to fig. 1-5, the present invention provides a technical solution: an elevator control method and a control device based on a three-level power converter comprise a converter frame 1, a protective frame 2, an installation frame 3, a positioning bolt 4, an end frame 5, a transverse frame 6, a chute frame 7, a heat dissipation net rack 8, a closed frame 9, an end connection frame 10, a clamping frame 11, a fixing plate 12, a bolt plate 13, a support frame 14, a reset spring 15, a rubber frame 16, a clamping column 17, a thread frame 18, a slide rod 19 and a bolt column 20, wherein the protective frame 2 is arranged on two sides of the converter frame 1, the installation frame 3 is arranged on two sides of the protective frame 2, the positioning bolt 4 is arranged at the top end of the converter frame 1, the end frame 5 is connected with the bottom end of the converter frame 1, the chute frame 7 is arranged on two sides of the end frame 5, the transverse frame 6 is arranged on the inner side of the chute frame 7, the heat dissipation net rack 8 is connected with the bottom end of the transverse frame 6, the clamping frame 11 is arranged, the bottom end of the closed frame 9 is provided with an end connecting frame 10, two sides of the rear end of the converter frame 1 are provided with fixing plates 12, a supporting frame 14 penetrates through the fixing plates 12, one side of the supporting frame 14 is provided with a bolt plate 13, two sides of the chute frame 7 are provided with threaded frames 18, one side of each threaded frame 18 is connected with a clamping column 17, two sides of the closed frame 9 are provided with slide rods 19, and the middle parts of the slide rods 19 are connected with bolt columns 20;
the converter frame 1 and the protection frame 2 are fixedly connected, the protection frame 2 and the mounting frame 3 are mutually attached, and the protection frame 2 is fixedly connected between the converter frames 1, so that the fixedly connected protection frame 2 and the converter frame 1 are arranged between the mounting frames 3 in a protection manner, and a protection effect can be achieved on the three-level power converter of the elevator;
the converter frame 1 is movably connected with the chute frames 7, the converter frame 1 and the end frames 5 form a sliding structure through the chute frames 7, the converter frame 1 is connected between the chute frames 7 in a sliding mode, the converter frame 1 can slide along the chute frames 7, the end frames 5 at the bottom of the converter frame 1 can be clamped between the cross frames 6 and the chute frames 7 in a sliding mode, the movable converter frame 1 and the end frames 5 can be installed between the radiating net racks 8 in a protective mode, the radiating net racks 8 can radiate and volatilize the elevator three-level power converter conveniently, and an external protective effect can be achieved;
the central axis between the heat dissipation net rack 8 and the closed rack 9 is intersected, the closed rack 9 and the end connecting rack 10 are fixedly connected, the heat dissipation net rack 8 and the closed rack 9 with the intersected central axis are installed between the end connecting racks 10 in a protective mode, the end connecting rack 10 is effectively installed between the heat dissipation net rack 8 and the closed rack 9 in a protective mode, and the end connecting rack 10 of the elevator three-level power converter is installed between the heat dissipation net rack 8 and the closed rack 9 with the intersected central axis;
the fixed plate 12 and the support frame 14 are movably connected, the fixed plate 12 and the support frame 14 form a buckling structure through the bolt plate 13, the fixed plate 12 is fixedly connected to the rear end of the converter frame 1, the bolt plate 13 penetrates and is clamped between the fixed plate 12, when equipment in the converter frame 1 is fixedly installed, a user manually pushes the bolt plate 13 to move along the fixed plate 12, the bolt plate 13 can be installed at the rear end of the converter frame 1 in a protection mode, the user can buckle fixed parts between the bolt plate 13 and the fixed plate 12, and the elevator three-level power converter can achieve the effect of integral buckling;
the terminal frame 10 comprises a return spring 15 and a rubber frame 16, the return spring 15 is distributed in the terminal frame 10, the bottom end of the return spring 15 is connected with the rubber frame 16, and when the terminal frame 10 is distributed and installed between the radiating net rack 8 and the closed frame 9 with intersecting central axes, the elevator three-level power converter equipment wire can be buckled between the terminal frames 10 in a penetrating manner;
the reset spring 15 and the rubber frame 16 are fixedly connected, the terminal frame 10 and the rubber frame 16 form an elastic structure through the reset spring 15, the fixed connection is fixedly connected between the reset spring 15 and the rubber frame 16, and when the elevator three-level power converter equipment wire penetrates through and is buckled between the terminal frames 10, the rubber frame 16 can be extruded between the terminal frames 10 by the elasticity of the reset spring 15, so that the reset spring 15 and the rubber frame 16 are elastically wrapped between the terminal frames 10, and the aging and the breakage of the elevator three-level power converter connecting wire in long-term use can be prevented;
the chute frame 7 is in threaded connection with the threaded frame 18, the chute frame 7 and the clamping column 17 form a dismounting structure through the threaded frame 18 and the clamping column 17, the threaded frame 18 and the clamping column 17 which are in threaded connection are installed between the chute frames 7 in a penetrating mode, when the converter frame 1 slides along the chute frames 7, a user manually screws the threaded frame 18 and the clamping column 17 to penetrate between the chute frames 7, the converter frame 1 between the chute frames 7 can achieve the clamping effect, and the converter frame 1 can be conveniently installed and clamped in the later period;
the sliding rod 19 is movably connected with the stud 20, the sealing frame 9 and the stud 20 form a thread structure through the sliding rod 19, the sliding rod 19 is movably arranged between the sliding groove frames 7, threads of the stud 20 can be clamped between the sliding rod 19 and the sliding groove frames 7 in a sliding mode, when the sealing frame 9 is fixedly connected between the sliding rod 19, the threads of the stud 20 can penetrate through and be clamped between the sliding rod 19 and the sliding groove frames 7, the uniformly distributed end connecting frames 10 are effectively distributed and arranged on the sliding rod 19, the end connecting frames 10 are favorably protected and arranged between the sealing frame 9 and the clamping frame 11, elevator operation control is facilitated, and the phenomenon of aging and breakage caused by long-term use of connecting lines is prevented;
the elevator control method based on the three-level power converter comprises the following steps:
and S1, driving by a motor, simultaneously installing the protective frame 2 and the installation frame 3 on a driving device, filling high-pressure oil into the oil cylinder, and driving the movable plug to drive the axle box, so that the converter frame 1 is connected to the device through the installation frame 3. The three-level power converter drives the cage by an alternating current motor and a direct current motor through a reduction gear and a traction steel cable of a tractor, and is mainly used for medium and low speed ladders;
s2, it is driven by induction or synchronous linear motor, the motor is set on the wall of the elevator shaft, the moving part (equivalent to the turning part) is set on the cage shell, at the same time, the converter frame 1 is set between the cross frame 6 and the chute frame 7, the elevator can drive the cage directly without using steel cable. The elevator is not limited by the height of a building, but has high power consumption, and in the development and trial stage, the cross frame 6 and the chute frame 7 are arranged on a traction motor, the traction motor is directly arranged at the top or the bottom of the cage, and the traction surrounds a steel cable to drive the cage, so that the elevator is used for small cages and personal elevators.
The working principle of the embodiment is as follows: the elevator control method and the control device based on the three-level power converter can lead the converter frame 1 to slide along the sliding groove frames 7 by connecting the converter frame 1 between the sliding groove frames 7 in a sliding way, lead the end frame 5 at the bottom of the converter frame 1 to be clamped between the cross frame 6 and the sliding groove frames 7 in a sliding way, lead the movable converter frame 1 and the end frame 5 to be installed between the heat dissipation net rack 8 in a protection way, lead the heat dissipation net rack 8 to carry out heat dissipation and volatilization on the three-level power converter of the elevator and achieve the external protection effect, lead the sliding rod 19 to be movably installed between the sliding groove frames 7, lead the thread of the stud 20 to be clamped between the sliding rod 19 and the sliding groove frame 7 in a sliding way, lead the thread of the stud 20 to penetrate and be clamped between the sliding rod 19 and the sliding groove frames 7 when the sealing frame 9 is fixedly connected between the sliding rod 19, effectively distribute and install the evenly distributed end frame 10 on the sliding rod, the protection installation of the terminal frame 10 between the closing frame 9 and the clamping frame 11 is facilitated, the elevator operation control is facilitated, the aging and cracking phenomena caused by long-term use between connecting lines are prevented, meanwhile, the fixed connection between the reset spring 15 and the rubber frame 16 is fixedly connected between the terminal frame 10, when the elevator three-level power converter equipment line penetrates through and is clamped between the terminal frames 10, the rubber frame 16 can be extruded between the terminal frames 10 by means of the elasticity of the reset spring 15, so that the reset spring 15 and the rubber frame 16 are elastically wrapped between the terminal frames 10, the aging and cracking caused by long-term use between the elevator three-level power converter connecting lines can be prevented, when the terminal frames 10 are distributed and installed between the heat dissipation net rack 8 and the closing frame 9 with intersected central axes, the elevator three-level power converter equipment line can penetrate through and be clamped between the terminal frames 10, and the heat dissipation net rack 8 and the closing frame 9 with the intersected central axes are installed between the terminal frames 10, the terminal frame 10 is effectively installed between the heat dissipation net rack 8 and the closed frame 9 in a protection way, so that the terminal frame 10 of the elevator three-level power converter is installed between the heat dissipation net rack 8 and the closed frame 9 with intersecting central axes, finally, the threaded frame 18 and the clamping column 17 which are in threaded connection are installed between the chute frames 7 in a penetrating way, when the converter frame 1 slides along the chute frames 7, a user manually twists the threaded frame 18 and the clamping column 17 to penetrate between the chute frames 7, the effect of clamping the converter frame 1 between the chute frames 7 can be achieved, the later-stage installation and clamping of equipment of the converter frame 1 are facilitated, the fixing plate 12 is fixedly connected at the rear end of the converter frame 1, so that the bolt plate 13 penetrates and is clamped between the fixing plates 12, when the equipment in the converter frame 1 is fixedly installed, the bolt plate 13 is manually pushed by the user to move along the fixing plates 12, the bolt plate 13 can be installed at the rear end of the converter frame 1 in a protective mode, a user can clamp and buckle the fixed parts between the bolt plate 13 and the fixed plate 12, and the effect of integral clamping on the three-level power converter of the elevator can be achieved.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (10)
1. Elevator control method and control device based on three-level power converter, including converter frame (1), bolt board (13) and screw thread frame (18), characterized by: protective frames (2) are arranged on two sides of the converter frame (1), mounting frames (3) are arranged on two sides of each protective frame (2), positioning bolts (4) are arranged at the top end of the converter frame (1), end frames (5) are connected to the bottom end of the converter frame (1), chute frames (7) are arranged on two sides of each end frame (5), transverse frames (6) are mounted on the inner sides of the chute frames (7), heat dissipation net racks (8) are connected to the bottom ends of the transverse frames (6), clamping frames (11) are arranged at the bottom ends of the heat dissipation net racks (8), closing frames (9) are arranged at the bottom ends of the clamping frames (11), connecting end frames (10) are arranged at the bottom ends of the closing frames (9), fixing plates (12) are arranged on two sides of the rear end of the converter frame (1), supporting frames (14) penetrate through the inner portions of the fixing plates (12), bolt plates (13) are mounted on one side of the supporting frames (14), threaded racks (18) are arranged on two sides of the sliding groove rack (7), clamping columns (17) are connected to one sides of the threaded racks (18), sliding rods (19) are arranged on two sides of the closing rack (9), and studs (20) are connected to the middles of the sliding rods (19).
2. The elevator control method and control device based on the three-level power converter according to claim 1, characterized in that: the converter frame (1) is fixedly connected with the protection frame (2), and the protection frame (2) is attached to the mounting frame (3).
3. The elevator control method and control device based on the three-level power converter according to claim 1, characterized in that: the converter frame (1) is movably connected with the chute frame (7), and the converter frame (1) and the end frame (5) form a sliding structure through the chute frame (7).
4. The elevator control method and control device based on the three-level power converter according to claim 1, characterized in that: the central axis between the heat dissipation net rack (8) and the sealing rack (9) is crossed, and the sealing rack (9) and the connecting end rack (10) are fixedly connected.
5. The elevator control method and control device based on the three-level power converter according to claim 1, characterized in that: the fixing plate (12) is movably connected with the support frame (14), and the fixing plate (12) and the support frame (14) form a buckling structure through the bolt plate (13).
6. The elevator control method and control device based on the three-level power converter according to claim 1, characterized in that: the connecting end frame (10) comprises a return spring (15) and an eraser frame (16), the return spring (15) is distributed in the connecting end frame (10), and the eraser frame (16) is connected to the bottom end of the return spring (15).
7. The elevator control method and control device based on the three-level power converter according to claim 1, characterized in that: the reset spring (15) is fixedly connected with the rubber frame (16), and the end-connecting frame (10) forms an elastic structure with the rubber frame (16) through the reset spring (15).
8. The elevator control method and control device based on the three-level power converter according to claim 1, characterized in that: the sliding groove frame (7) is in threaded connection with the threaded frame (18), and the sliding groove frame (7) and the clamping column (17) form a dismounting structure through the threaded frame (18).
9. The elevator control method and control device based on the three-level power converter according to claim 1, characterized in that: the sliding rod (19) is movably connected with the bolt column (20), and the sealing frame (9) forms a thread structure through the sliding rod (19) and the bolt column (20).
10. The elevator control method and control apparatus based on the three-level power converter according to any one of claims 1 to 9, characterized in that: the elevator control method based on the three-level power converter comprises the following steps:
s1, driving by a motor, simultaneously installing the protective frame (2) and the installation frame (3) on a driving device, filling high-pressure oil into the oil cylinder, and driving the movable plug to drive the axle box, so that the converter frame (1) is connected to the device through the installation frame (3); the three-level power converter drives the cage by an alternating current motor and a direct current motor through a reduction gear and a traction steel cable of a tractor, and is mainly used for medium and low speed ladders;
s2, it is driven by induction or synchronous linear motor, the motor is set on the wall of the elevator shaft, the moving part (equivalent to the rotating part) is set on the cage shell, at the same time, the converter frame (1) is set between the cross frame (6) and the chute frame (7), the elevator can directly drive the cage without using steel cable; the elevator is not limited by the height of a building, but has high power consumption, and in the development and trial stage, a transverse frame (6) and a chute frame (7) are arranged on a traction motor, the traction motor is directly arranged at the top or the bottom of an elevator car, and a surrounding steel rope is drawn to drive the elevator car, so that the elevator car is used for a small elevator car and is used for a personal elevator.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112171588A (en) * | 2020-09-23 | 2021-01-05 | 江苏洛柳精密科技有限公司 | CCD sweeps a yard device |
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| CN210470031U (en) * | 2019-09-17 | 2020-05-05 | 广西电网有限责任公司北海供电局 | Outdoor lighting energy-saving control device of transformer substation |
| CN212151252U (en) * | 2020-05-22 | 2020-12-15 | 江苏埃尔法电梯有限公司 | Elevator control device based on three-level power converter |
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| CN1079713A (en) * | 1992-06-11 | 1993-12-22 | 三菱电机株式会社 | Elevator control gear |
| JP2013132179A (en) * | 2011-12-22 | 2013-07-04 | Hitachi Building Systems Co Ltd | Safety apparatus for inverter control elevator |
| CN106564786A (en) * | 2015-10-13 | 2017-04-19 | 上海三菱电梯有限公司 | Elevator control method based on three-level electric power converter and control device |
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