CN104803263A - Pneumatic elevator control system and control method - Google Patents
Pneumatic elevator control system and control method Download PDFInfo
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- CN104803263A CN104803263A CN201510197860.3A CN201510197860A CN104803263A CN 104803263 A CN104803263 A CN 104803263A CN 201510197860 A CN201510197860 A CN 201510197860A CN 104803263 A CN104803263 A CN 104803263A
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- car
- unit
- sedan
- chair
- programmable logic
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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
- B66B11/04—Driving gear ; Details thereof, e.g. seals
- B66B11/0423—Driving gear ; Details thereof, e.g. seals actuated pneumatically or hydraulically
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/02—Control systems without regulation, i.e. without retroactive action
- B66B1/06—Control systems without regulation, i.e. without retroactive action electric
- B66B1/14—Control systems without regulation, i.e. without retroactive action electric with devices, e.g. push-buttons, for indirect control of movements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
- B66B13/02—Door or gate operation
- B66B13/14—Control systems or devices
- B66B13/143—Control systems or devices electrical
- B66B13/146—Control systems or devices electrical method or algorithm for controlling doors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/0006—Monitoring devices or performance analysers
- B66B5/0018—Devices monitoring the operating condition of the elevator system
- B66B5/0031—Devices monitoring the operating condition of the elevator system for safety reasons
Abstract
The invention relates a pneumatic elevator control system and control method, wherein the system comprises a programmable logic controller, an input signal unit, an output execution device and a power unit; the input signal unit is connected with the input port of the programmable logic controller; the output execution device is connected with the output port of the programmable logic controller; the power unit supplies power for the control system. A pneumatic elevator can be stably and effectively controlled on the structural basis of the existing pneumatic elevator by the pneumatic elevator control system and control method, and the programmable logic controller is used as a core controller, and has high stability, high antijamming capacity and easy for later function extension.
Description
Technical field
The present invention relates to elevator technology field, particularly relate to a kind of pneumatic apparatus for controlling elevator and control method.
Background technology
Pneumatic elevator is the novel elevator technology of a kind of counterweightless utilizing gas pressure difference to carry out promoting without steel rope, reference publication number is CN103030049A, publication date is the Chinese patent on April 10th, 2013, and it specifically discloses a kind of structure of Pneumatic elevator device.It is traditional traction elevator of main actuating device that pneumatic elevator is compared to towing machine, not only structure is simple for it, take up room little, require relatively low to hoistway, hoistway and car similar transparent, without the need to arranging pit and counterweight, be propulsive effort with pressurized air, space availability ratio is higher, and environmental protection, cost is lower, therefore comparatively should as a kind of novel home lift.
Because pneumatic elevator is structurally different from traditional traction elevator, the original control system of traditional elevator cannot be applicable to this type of elevator, therefore, a kind of pneumatic apparatus for controlling elevator and control method how is provided to become one of key technical problem urgently to be resolved hurrily at present.
Summary of the invention
The invention provides a kind of pneumatic apparatus for controlling elevator and control method, to solve the problems of the technologies described above.
For solving the problems of the technologies described above, the invention provides a kind of pneumatic apparatus for controlling elevator, comprise programmable logic controller (PLC), incoming signal unit, export performer and power subsystem unit, described incoming signal unit is connected with the input port of described programmable logic controller (PLC), described output performer is connected with the output port of described programmable logic controller (PLC), and described power subsystem unit is powered for this control system.
Preferably, described incoming signal unit comprises: calling signal, sedan-chair outer calling signal, level position detection signal, detection signal of closing the door, door lock signal and weighing-up wave in sedan-chair, in described sedan-chair, calling signal, sedan-chair outer calling signal, level position detection signal, detection signal of closing the door, door lock signal and weighing-up wave are connected with the input port of described programmable logic controller (PLC) respectively.
Preferably, in described sedan-chair, calling signal is produced by the floor button on control wheel in car; The outer calling signal of described sedan-chair produces by being installed on the button of calling together on panel outside each floor; Described level position detection signal is produced by the first sensor and the second sensor being installed on the upper and lower both sides of each stop respectively; Described detection signal of closing the door is produced by the 3rd sensor of the layer door frame bottom being installed on each stop; Described door lock signal is produced by each door mechanical lock layer by layer; Described weighing-up wave is produced by the micro-switch being installed on cage bottom.
Preferably, described output performer comprises: vacuum motor, vacuum valve, in exhale indicator lamp, call indicator lamp, flat bed mechanism, overload alarm, the indicating device that arrives at a station, sedan-chair intraoral illumination lamp and sedan-chair internal fan together outward, described vacuum motor, vacuum valve, in exhale indicator lamp, call indicator lamp, flat bed mechanism, overload alarm, the indicating device that arrives at a station, sedan-chair intraoral illumination lamp and sedan-chair internal fan together outward and be connected with the output port of described programmable logic controller (PLC) respectively.
Preferably, described vacuum motor is installed on well headroom, for extracting the air in the space of more than car top, drives car up; Described vacuum valve is installed on described well headroom, during for regulating described car descending, and space more than car top and the draught head between ambient atmosphere; Exhaling indicator lamp corresponding with the floor button on control wheel in described car in described, selecting layer accordingly for showing; Described outer indicator lamp of calling together is corresponding with the button of calling together on panel outside described each floor, for showing the operation of corresponding call; Described flat bed mechanism is installed on described car, comprises electromagnet and snap fit, and electromagnet described in described programmable logic controller (PLC) controls makes the snap fit of described flat bed mechanism insert in the corresponding guide rail draw-in groove of each stop, for operation of stopping; Described overload alarm adopts overload alarm bell, is installed on described car top; The described indicating device that arrives at a station, comprises arrive at a station lamp and/or arrival gong, for providing information of arriving at a station outside the Room for passenger waiting ladder; Described sedan-chair intraoral illumination lamp and sedan-chair internal fan are all installed on car top, provide illumination and air draft.
Preferably, described vacuum motor comprises the first unit and the second unit, described first unit is all connected with described programmable logic controller (PLC) with the second unit, and described first unit comprises the identical vacuum pump of 3 specifications, and described second unit comprises the identical vacuum pump of 2 specifications.
Preferably, described power subsystem unit comprises: switch box, backup power and emergency source of electrical power, and described switch box and backup power are all connected with described programmable logic controller (PLC), and described switch box, backup power are also electrically connected with described emergency source of electrical power respectively.
Preferably, described emergency source of electrical power respectively be installed on the emergency light of cab interior, emergent alarm bell and talkback unit and be connected.
Present invention also offers a kind of control method of pneumatic apparatus for controlling elevator as above, comprise the steps: that described programmable logic controller (PLC) receives calling signal or the outer calling signal of sedan-chair in sedan-chair, whether the 3rd sensor and layer door mechanical lock check each layer door close and pin, then programmable logic controller (PLC) controls car runs to the direction of request, after arriving object floor, layer door lock is opened under the effect of car gravity, and now passenger can come in and go out car.
Preferably, if described car is requested descending, then first close vacuum valve, then start the first unit, car is first upwards run until the first sensor place of this layer of upside, stop the first unit, vacuum valve is opened, and car is descending, when arriving the second sensor place on the downside of object floor, vacuum valve cuts out, and cage descending is until flat bed;
If described car is requested up, then the first unit first works 2s, after making car smooth starting, restart the second unit, until when car arrives the second sensor place on the downside of object floor, the second unit stops, and car is slowed down and rises, until the first sensor place on the upside of object floor, stop the first unit, open vacuum valve, simultaneously the work of electromagnet of flat bed mechanism, snap fit ejects, and makes lift car leveling.
Compared with prior art, the pneumatic apparatus for controlling elevator of one provided by the invention and control method tool have the following advantages:
1, control system provided by the invention and control method, can to stablize pneumatic elevator, actv. controls on the architecture basics of existing pneumatic elevator;
2, utilize programmable logic controller (PLC) as core controller, there is high stability, strong anti-interference ability, and be easy to the expansion of later stage function.
Accompanying drawing explanation
Fig. 1 is the structural representation of the pneumatic apparatus for controlling elevator of the embodiment of the invention;
Fig. 2 is the overall layout chart of the pneumatic apparatus for controlling elevator of the embodiment of the invention;
Fig. 3 is the diagram of circuit of the pneumatic elevator control method of the embodiment of the invention.
In figure: 1-programmable logic controller (PLC), 2-incoming signal unit, 3-export performer, 4-power subsystem unit;
The outer calling signal of calling signal in 5-sedan-chair, 6-sedan-chair, 7-level position detection signal, 8-close the door detection signal, 9-door lock signal, 10-weighing-up wave;
Exhale in 11-vacuum motor, 12-vacuum valve, 13-and outside indicator lamp, 14-, to call indicator lamp together, 15-flat bed mechanism, 16-overload alarm, 17-arrive at a station indicating device, 18-sedan-chair intraoral illumination lamp, 19-sedan-chair internal fan;
20-switch box, 21-backup power, 22-emergency source of electrical power, 23-emergency light, 24-meet an urgent need alarm bell, 25-talkback unit;
26-control box, 27-first unit, 28-second unit, 29-hoistway, 30-stop, 31-car, 32-trigger magnet, panel is called together outside 33-, up button is called together outside 34-, descending button is called together outside 35-, 36-base station lock ladder key switch, 37-control wheel, hall buttons in 38-sedan-chair, 39-alarm button, 40-snap fit, 41-first is door mechanical lock layer by layer, 42-ground floor the 3rd sensor, 43-ground floor second sensor, 44-second is door mechanical lock layer by layer, the 45-second layer the 3rd sensor, the 46-second layer second sensor, 47-second layer first sensor, 48-third layer layer door mechanical lock, 49-third layer the 3rd sensor, 50-third layer second sensor, 51-third layer first sensor.
Detailed description of the invention
In order to the technical scheme of more detailed statement foregoing invention, below list specific embodiment and carry out Proof Technology effect; It is emphasized that these embodiments are not limited to for illustration of the present invention limit the scope of the invention.
The pneumatic apparatus for controlling elevator of one provided by the invention, as depicted in figs. 1 and 2, comprise programmable logic controller (PLC) 1 (PLC, English full name: Programmable Logic Controller), incoming signal unit 2, export performer 3 and power subsystem unit 4, described incoming signal unit 2 is connected with the input port of described programmable logic controller (PLC) 1, described output performer 3 is connected with the output port of described programmable logic controller (PLC) 1, and described power subsystem unit 4 is powered for this control system.The present invention can to stablize pneumatic elevator on the architecture basics of existing pneumatic elevator, actv. controls, and utilizes programmable logic controller (PLC) 1 as core controller, has high stability, strong anti-interference ability, and be easy to the expansion of later stage function.
Preferably, please continue to refer to Fig. 1, described incoming signal unit 2 comprises: calling signal 5 in sedan-chair, the outer calling signal 6 of sedan-chair, level position detection signal 7, to close the door detection signal 8, door lock signal 9 and weighing-up wave 10, calling signal 5 in described sedan-chair, the outer calling signal 6 of sedan-chair, level position detection signal 7, to close the door detection signal 8, door lock signal 9 and weighing-up wave 10 are connected with the input port of described programmable logic controller (PLC) 1 respectively, described incoming signal unit 2 can be the signal that sensor detects, also can be the requirement command of operating personal (comprising passenger), to control pneumatic elevator.
Preferably, please continue to refer to Fig. 1, and composition graphs 2, the present embodiment is for 3 layers of elevator, in described sedan-chair, calling signal 5 is produced by the floor button (namely in sedan-chair in hall buttons 38 1,2,3 buttons) on control wheel 37 in car 31, certainly, in described car 31, control wheel 37 also comprises alarm button 39, Use of Emergency Alarm.Preferably, as shown in Figure 2, ground floor outer is called panel 33 together and is provided with and calls up button 34 and base station lock ladder key switch 36 together outward, is defaulted as base station layer; The second layer outer is called panel 33 together and is provided with and calls up button 34 together and call descending button 35 outward together outward; Third layer outer is called panel 33 together and is provided with and calls descending button 35 together outward.The outer calling signal 6 of described sedan-chair produces by being installed on the button (call up button 34 together and call descending button 35 outward together outside comprising) of calling together on panel 33 outside each floor, described level position detection signal 7 (comprises second layer first sensor 47 and third layer first sensor 51 by the first sensor being installed on each stop about 30 both sides respectively, base station layer does not have first sensor) and the second sensor (comprise ground floor second sensor 43, the second layer second sensor 46 and third layer second sensor 50) produce, particularly, be installed on the trigger magnet 32 at car 31 top for responding to described first, the signal of the second sensor, described trigger magnet 32 receives first, after the position signal of the second sensor, for pneumatic elevator provides decelerate position signal, described detection signal 8 of closing the door is produced by the 3rd sensor (comprising ground floor the 3rd sensor 42, the second layer the 3rd sensor 45 and third layer the 3rd sensor 49) of the layer door frame bottom being installed on each stop 30, whether close for validation layer door before pneumatic elevator brings into operation, carry out the judgement of entry condition, described door lock signal 9 is produced by each door mechanical lock layer by layer (comprise first layer by layer door mechanical lock 41, second door mechanical lock 44 and third layer layer door mechanical lock 48 layer by layer), whether lock for validation layer door in pneumatic elevator operation, carry out the judgement of another entry condition, described weighing-up wave 10 is produced, for carrying out super fully loaded judgement by the micro-switch be installed on bottom car 31 (not shown).
Preferably, please continue to refer to Fig. 1 and Fig. 2, described output performer comprises: vacuum motor 11, vacuum valve 12, in exhale indicator lamp 13, call indicator lamp 14, flat bed mechanism 15, overload alarm 16, the indicating device 17 that arrives at a station, sedan-chair intraoral illumination lamp 18 and sedan-chair internal fan 19 together outward, described vacuum motor 11, vacuum valve 12, in exhale indicator lamp 13, call indicator lamp 14, flat bed mechanism 15, overload alarm 16, the indicating device 17 that arrives at a station, sedan-chair intraoral illumination lamp 18 and sedan-chair internal fan 19 together outward and be connected with the output port of described programmable logic controller (PLC) 1 respectively.Particularly, described vacuum motor 11 is installed on hoistway 29 top, for extracting the air in the space at more than car 31 top, to produce vacuum, drives car 31 up; Described vacuum valve 12 is installed on described hoistway 29 top, during for regulating described car 31 descending, and space more than car 31 top and the draught head between ambient atmosphere; Exhaling indicator lamp 13 corresponding with the floor button on control wheel 37 in described car 31 in described, selecting layer accordingly for showing; Described outer indicator lamp 14 of calling together is corresponding with the button of calling together on panel 33 outside described each floor, for showing the operation of corresponding call; Described flat bed mechanism 15 is installed on described car 31, comprise electromagnet (not shown) and snap fit 40, programmable logic controller (PLC) 1 controls described electromagnet makes the snap fit 40 of described flat bed mechanism 15 insert in the corresponding guide rail draw-in groove (not shown) of each stop 30, for operation of stopping; Described overload alarm 16 adopts overload alarm bell, is installed on described car 31 top; The described indicating device 17 that arrives at a station, comprises arrive at a station lamp and/or arrival gong, for providing information of arriving at a station outside the Room for passenger waiting ladder; Described sedan-chair intraoral illumination lamp 18 and sedan-chair internal fan 19 are all installed on car 31 top, provide illumination and air draft.
Preferably, please emphasis with reference to figure 2, described vacuum motor 11 comprises the first unit 27 and the second unit 28, described first unit 27 is all connected with described programmable logic controller (PLC) 1 with the second unit 28, described programmable logic controller (PLC) 1 is installed in control box 26, described first unit 27 comprises the identical vacuum pump of 3 specifications, and described second unit 28 comprises the identical vacuum pump of 2 specifications.The object setting up two groups of units separately is in order to pneumatic elevator smooth starting and reliable flat bed.
Preferably, ask emphasis with reference to figure 1, and composition graphs 2, described power subsystem unit 4 comprises: switch box 20, i.e. user's power supply box, for the normal operation of native system provides power supply; Backup power 21, with on the programmable logic controller (PLC) 1 in described switch box 20 together Access Control case 26, backup power 21 has uninterrupted power supply (UPS) (UPS), automatic rescue device (ARD), for being that native system is powered when system blackout or fault power-off, make car 31 can flat bed nearby; Emergency source of electrical power 22, be placed in car 31 top, respectively be installed on the emergency light 23 of car 31 inside, emergent alarm bell 24 and talkback unit 25 and be connected, by arranging emergency light 23, alarm bell 24 of meeting an urgent need, emergency lighting, emergent alarm can be realized, also realize emergent intercommunication function by talkback unit 25.
Preferably, please emphasis with reference to figure 3, and composition graphs 1 and Fig. 2, present invention also offers a kind of control method of pneumatic apparatus for controlling elevator as above, comprise the steps: under system power supply and safety return circuit (base station lock ladder key switch 36 seals in wherein) normal situation, if described programmable logic controller (PLC) 1 receives calling signal 5 or the outer calling signal 6 of sedan-chair in sedan-chair, described sedan-chair intraoral illumination lamp 18 and sedan-chair internal fan 19 are just started working, whether the 3rd sensor and layer door mechanical lock check each layer door close and pin, then programmable logic controller (PLC) 1 controls the direction operation of car 31 to request, after arriving object floor, layer door lock is opened under the effect of car 31 gravity, now passenger can come in and go out car 31.
Preferably, if described car 31 is requested descending, then first close vacuum valve 12, then start the first unit 27, car 31 is first upwards run until the first sensor place of this layer of upside, stops the first unit 27, vacuum valve 12 is opened, the snap fit 40 of initiation layer flat bed mechanism 15 shrinks, and car 31 is descending, when arriving the second sensor place on the downside of object floor, vacuum valve 12 cuts out, car 31 reduces speed now descending, until the snap fit 40 of flat bed mechanism 15 ejects, makes car 31 rest in bed of interest.
If described car 31 is requested up, then the first unit 27 first works 2s, after making car 31 smooth starting, restart the second unit 28, until when car 31 arrives the second sensor place on the downside of object floor, the second unit 28 stops, and car 31 is slowed down and rises, until the first sensor place on the upside of object floor, stop the first unit 27, open vacuum valve 12, simultaneously the work of electromagnet of flat bed mechanism 15, snap fit 40 ejects, and makes car 31 flat bed.
After this, if produce without calling signal, then judge now whether elevator position is base station layer (ground floor), if base station layer, then close sedan-chair intraoral illumination lamp 18 and sedan-chair internal fan 19 after waiting for 30 minutes, carry out stopping ladder operation; If not base station layer, then first drop to base station layer, then repeat above stop ladder operation, with the cost-saving and energy.If still receive any calling signal, then repeat above-mentioned upstream or downstream operational process.
In sum, the pneumatic apparatus for controlling elevator of one provided by the invention and control method, this system comprises programmable logic controller (PLC) 1, incoming signal unit 2, exports performer 3 and power subsystem unit 4, described incoming signal unit 2 is connected with the input port of described programmable logic controller (PLC) 1, described output performer 3 is connected with the output port of described programmable logic controller (PLC) 1, and described power subsystem unit 4 is powered for this control system described.The present invention can to stablize pneumatic elevator on the architecture basics of existing pneumatic elevator, actv. controls, and utilizes programmable logic controller (PLC) 1 as core controller, has high stability, strong anti-interference ability, and be easy to the expansion of later stage function.
Obviously, those skilled in the art can carry out various change and modification to invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (10)
1. a pneumatic apparatus for controlling elevator, it is characterized in that, comprise programmable logic controller (PLC), incoming signal unit, export performer and power subsystem unit, described incoming signal unit is connected with the input port of described programmable logic controller (PLC), described output performer is connected with the output port of described programmable logic controller (PLC), and described power subsystem unit is powered for this control system.
2. pneumatic apparatus for controlling elevator as claimed in claim 1, it is characterized in that, described incoming signal unit comprises: calling signal, sedan-chair outer calling signal, level position detection signal, detection signal of closing the door, door lock signal and weighing-up wave in sedan-chair, in described sedan-chair, calling signal, sedan-chair outer calling signal, level position detection signal, detection signal of closing the door, door lock signal and weighing-up wave are connected with the input port of described programmable logic controller (PLC) respectively.
3. pneumatic apparatus for controlling elevator as claimed in claim 2, is characterized in that, in described sedan-chair, calling signal is produced by the floor button on control wheel in car; The outer calling signal of described sedan-chair produces by being installed on the button of calling together on panel outside each floor; Described level position detection signal is produced by the first sensor and the second sensor being installed on the upper and lower both sides of each stop respectively; Described detection signal of closing the door is produced by the 3rd sensor of the layer door frame bottom being installed on each stop; Described door lock signal is produced by each door mechanical lock layer by layer; Described weighing-up wave is produced by the micro-switch being installed on cage bottom.
4. pneumatic apparatus for controlling elevator as claimed in claim 3, it is characterized in that, described output performer comprises: vacuum motor, vacuum valve, in exhale indicator lamp, call indicator lamp, flat bed mechanism, overload alarm, the indicating device that arrives at a station, sedan-chair intraoral illumination lamp and sedan-chair internal fan together outward, described vacuum motor, vacuum valve, in exhale indicator lamp, call indicator lamp, flat bed mechanism, overload alarm, the indicating device that arrives at a station, sedan-chair intraoral illumination lamp and sedan-chair internal fan together outward and be connected with the output port of described programmable logic controller (PLC) respectively.
5. pneumatic apparatus for controlling elevator as claimed in claim 4, is characterized in that, described vacuum motor is installed on well headroom, for extracting the air in the space of more than car top, drives car up; Described vacuum valve is installed on described well headroom, during for regulating described car descending, and space more than car top and the draught head between ambient atmosphere; Exhaling indicator lamp corresponding with the floor button on control wheel in described car in described, selecting layer accordingly for showing; Described outer indicator lamp of calling together is corresponding with the button of calling together on panel outside described each floor, for showing the operation of corresponding call; Described flat bed mechanism is installed on described car, comprises electromagnet and snap fit, and electromagnet described in described programmable logic controller (PLC) controls makes the snap fit of described flat bed mechanism insert in the corresponding guide rail draw-in groove of each stop, for operation of stopping; Described overload alarm adopts overload alarm bell, is installed on described car top; The described indicating device that arrives at a station, comprises arrive at a station lamp and/or arrival gong, for providing information of arriving at a station outside the Room for passenger waiting ladder; Described sedan-chair intraoral illumination lamp and sedan-chair internal fan are all installed on car top, provide illumination and air draft.
6. pneumatic apparatus for controlling elevator as claimed in claim 4, it is characterized in that, described vacuum motor comprises the first unit and the second unit, described first unit is all connected with described programmable logic controller (PLC) with the second unit, described first unit comprises the identical vacuum pump of 3 specifications, and described second unit comprises the identical vacuum pump of 2 specifications.
7. pneumatic apparatus for controlling elevator as claimed in claim 1, it is characterized in that, described power subsystem unit comprises: switch box, backup power and emergency source of electrical power, described switch box and backup power are all connected with described programmable logic controller (PLC), and described switch box, backup power are also electrically connected with described emergency source of electrical power respectively.
8. pneumatic apparatus for controlling elevator as claimed in claim 7, is characterized in that, described emergency source of electrical power respectively be installed on the emergency light of cab interior, emergent alarm bell and talkback unit and be connected.
9. the control method of the pneumatic apparatus for controlling elevator according to any one of claim 1-8, it is characterized in that, comprise the steps: that described programmable logic controller (PLC) receives calling signal or the outer calling signal of sedan-chair in sedan-chair, whether the 3rd sensor and layer door mechanical lock check each layer door close and pin, then programmable logic controller (PLC) controls car runs to the direction of request, after arriving object floor, layer door lock is opened under the effect of car gravity, and now passenger can come in and go out car.
10. the control method of pneumatic apparatus for controlling elevator as claimed in claim 9, is characterized in that,
If described car is requested descending, then first close vacuum valve, then the first unit is started, car is first upwards run until the first sensor place of this layer of upside, and stop the first unit, vacuum valve is opened, car is descending, when arriving the second sensor place on the downside of object floor, vacuum valve cuts out, and cage descending is until flat bed;
If described car is requested up, then the first unit first works 2s, after making car smooth starting, restart the second unit, until when car arrives the second sensor place on the downside of object floor, the second unit stops, and car is slowed down and rises, until the first sensor place on the upside of object floor, stop the first unit, open vacuum valve, simultaneously the work of electromagnet of flat bed mechanism, snap fit ejects, and makes lift car leveling.
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| CN201510197860.3A CN104803263A (en) | 2015-04-24 | 2015-04-24 | Pneumatic elevator control system and control method |
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Cited By (5)
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| CN107188002A (en) * | 2017-06-27 | 2017-09-22 | 广州广日电梯工业有限公司 | A kind of damping elevator and its control method |
| WO2017201746A1 (en) * | 2016-05-27 | 2017-11-30 | 胡津铭 | Pneumatic lifting elevator and method for controlling same |
| CN107720463A (en) * | 2017-10-25 | 2018-02-23 | 界首市迅立达电梯有限公司 | A kind of elevator safety control system |
| CN109534115A (en) * | 2018-12-24 | 2019-03-29 | 重庆红方机电有限公司 | A kind of control system for elevator |
| WO2022013606A1 (en) * | 2020-07-13 | 2022-01-20 | Killakathu Ramanathan Babu | System and method to operate a pneumatic vacuum elevator |
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| CN102849614A (en) * | 2011-06-28 | 2013-01-02 | 苏州经贸职业技术学院 | Four-story elevator control system based on PLC |
| CN102765641A (en) * | 2012-07-06 | 2012-11-07 | 上海电机学院 | Elevator control system and control method thereof |
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| CN104401851A (en) * | 2014-11-25 | 2015-03-11 | 昆山通祐电梯有限公司 | Multi-layer vacuum pneumatic elevator |
| CN204549763U (en) * | 2015-04-24 | 2015-08-12 | 昆山通祐电梯有限公司 | Pneumatic apparatus for controlling elevator |
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Application publication date: 20150729 |